CN106288520A - A kind of compressor oil return control device, control method and air-conditioning - Google Patents
A kind of compressor oil return control device, control method and air-conditioning Download PDFInfo
- Publication number
- CN106288520A CN106288520A CN201610631536.2A CN201610631536A CN106288520A CN 106288520 A CN106288520 A CN 106288520A CN 201610631536 A CN201610631536 A CN 201610631536A CN 106288520 A CN106288520 A CN 106288520A
- Authority
- CN
- China
- Prior art keywords
- temperature
- oil return
- control
- compressor
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2105—Oil temperatures
Abstract
The present invention is about a kind of compressor oil return control device, control method and air-conditioning, wherein said compressor oil return control device, including: heating module, for utilizing the high pressure thermal source of exhaust outlet of compressor that oil return pipe is heated；Control module, is used for controlling described heating module, makes the returning-oil temperature in described oil return pipe not less than the first temperature preset.The present invention utilize compressor air-discharging side by making compressor returning-oil temperature be maintained in fixed interval from master regulation, improve cooler compressor oil return stability.
Description
Technical field
The present invention relates to a kind of refrigeration technology field, particularly relate to a kind of compressor oil return control device, control method
And air-conditioning.
Background technology
Cooler compressor oil return pipe refrigeration oil temperature is affected by the many factors such as ambient temperature, running status.Oil return pipe
Road act as producing power by height pressure reduction makes refrigeration oil in oil point return to compressor.Air-conditioner refrigeration oil viscosity is along with temperature
Reducing and increase, when ultralow temperature, viscosity is very big, and unit oil return resistance increases.Due to throttling arrangement hole in air conditioner oil returning pipeline
Footpath is less, so when refrigeration oil viscosity is excessive, the phenomenon of blocking easily occurring, affecting the normal operation of compressor of air conditioner.
Summary of the invention
In view of this, the present invention provides a kind of compressor oil return control device, control method and air-conditioning, and main purpose exists
In the temperature of raising oil return pipe, improve the stability of oil return.
For reaching above-mentioned purpose, present invention generally provides following technical scheme:
On the one hand, the present invention provides a kind of compressor oil return control device, including:
Heating module, for utilizing the high pressure thermal source of exhaust outlet of compressor to heat oil return pipe；
Control module, is used for controlling described heating module, makes returning-oil temperature in described oil return pipe not less than the preset
One temperature.
Further, described control module, it is additionally operable to control described heating module, makes the returning-oil temperature in described oil return pipe
Being not more than the second temperature preset, wherein said first temperature is less than or equal to described second temperature.
Further, also include temperature detecting module, in detection oil return pipe after described heating module heats
Returning-oil temperature；
Correspondingly, described control module, it is additionally operable to the returning-oil temperature according to described temperature detecting module detects and controls institute
State heating module.
Further, described heating module includes the air vent of heat exchanger, the entrance of described heat exchanger and described compressor
Connection, the outlet of described heat exchanger connects with the air inlet of compressor.
Further, also include adjustment module, flow through the gas flow of described heat exchanger for regulation；
Correspondingly, described control module, it is additionally operable to when the returning-oil temperature in described oil return pipe is less than described first temperature,
Control described adjustment module to open or control described adjustment module and increase and flow through the gas flow of described heat exchanger；When described oil return
When returning-oil temperature in pipe is higher than described second temperature, controls described adjustment module and reduce the gas flow flowing through described heat exchanger
Or control the closedown of described adjustment module.
Further, described control module, it is additionally operable to when the described returning-oil temperature in described oil return pipe is within the very first time
During less than described first temperature, control described adjustment module open or control described adjustment module increase flow through described heat exchanger
Gas flow；When the described returning-oil temperature in described oil return pipe is higher than described second temperature within the second time, control described
Adjustment module reduces gas flow or the control and regulation module closedown flowing through described heat exchanger.
Further, described control module, it is additionally operable to, when the operating pressure of described compressor is higher than the first pressure, control
Adjustment module is opened or is controlled to adjust module and increases the gas flow flowing through described heat exchanger.
Further, described control module, it is additionally operable to the height pressure reduction when described compressor start more than the second pressure
Time, control and regulation module is opened or is controlled to adjust module and increases the gas flow flowing through described heat exchanger.
Further, described adjustment module includes electric expansion valve or stop valve or capillary tube.
Further, described adjustment module is arranged on entrance pipe or the export pipeline of described heat exchanger.
Further, described temperature detecting module includes temperature sensor.
On the other hand, the present invention also provides for a kind of air-conditioning, and including compressor and oil eliminator, described air-conditioning also includes above
Described compressor oil return control device.
Another further aspect, the present invention also provides for a kind of compressor method for controlling oil return, including:
Heating steps, utilizes the high pressure thermal source of exhaust outlet of compressor to heat oil return pipe；
Rate-determining steps, controls the heating module on described oil return pipe, makes returning-oil temperature in described oil return pipe not less than the
One temperature.
Further, described rate-determining steps, also control the heating module on described oil return pipe, make returning in described oil return pipe
Oil temperature is not more than the second temperature, and wherein the first temperature is less than or equal to the second temperature.
Further, also include temperature detection step, the returning-oil temperature in oil return pipe after detection heating；
Described heating module is controlled according to the returning-oil temperature detected.
Further, described heating steps is completed by heat exchanger, and the entrance of heat exchanger connects with the air vent of compressor,
Outlet connects with the air inlet of compressor.
Further, also include that regulating step, regulation flow through the gas flow of described heat exchanger；
When the returning-oil temperature in oil return pipe is less than the first temperature, increase the gas flow flowing through described heat exchanger；When returning
When returning-oil temperature in oil pipe is higher than the second temperature, reduce the gas flow flowing through described heat exchanger.
Further, when the returning-oil temperature in oil return pipe is less than the first temperature within the very first time, increase described in flowing through
The gas flow of heat exchanger；When the returning-oil temperature in oil return pipe is higher than the second temperature within the second time, reduce described in flowing through
The gas flow of heat exchanger.
Further, described regulating step also includes, when compressor operating pressure is higher than the first pressure, increases and flows through institute
State the gas flow of heat exchanger.
Described operating pressure refers to the pressure in air conditioning unit module high voltage, i.e. air-conditioner condenser.
Further, described regulating step also includes, the height pressure reduction when described compressor start is more than the second pressure
Time, increase the gas flow flowing through described heat exchanger.
Described height pressure reduction refers to the pressure differential between the air inlet of compressor and air vent.
Further, described regulating step is completed by electric expansion valve or stop valve or capillary tube.
Further, described electric expansion valve or stop valve are arranged on entrance pipe or the export pipeline of described heat exchanger
On.
Further, described temperature detection step is completed by temperature sensor.
By technique scheme, one of the present invention insulation reserving liquid tank and water heater at least have the advantage that
The present invention utilize compressor air-discharging side by making compressor returning-oil temperature be maintained in fixed interval from master regulation,
Improve cooler compressor oil return stability.
The present invention, by effective logic control, quotes the high pressure thermal source of compressor air vent, controls compressor oil return pipe temperature
It is maintained at maintenance level, strengthens unit oil return stability, extend compressor service life.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing compressor oil-return pipeline system；
Fig. 2 is a kind of structural representation of compressor oil return control device of the present invention；
Fig. 3 is the another kind of structural representation of compressor oil return control device of the present invention；
Fig. 4 is the control flow schematic diagram of electric expansion valve of the present invention；
Fig. 5 is the control flow chart of compressor method for controlling oil return of the present invention；
Fig. 6 is the control flow chart of compressor method for controlling oil return of the present invention；
Fig. 7 is the module diagram of compressor oil return control device of the present invention；
Fig. 8 is the module diagram of compressor oil return control device of the present invention；
Fig. 9 is the module diagram of compressor oil return control device of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described by corresponding accompanying drawing.Obviously, described embodiment is only the present invention one
Section Example rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
As it is shown in figure 1, as a example by existing compressor of air conditioner oil-return pipeline system, it mainly includes compressor 1 and oil point
From device 2, wherein the air vent of compressor 1 is connected with oil eliminator 2, oil eliminator 2 entering by oil return pipe 3 and compressor 1 again
QI KOU connects, and forms oil-return pipeline system.Oil return pipe 3 is usually provided with capillary tube 4 and electromagnetic valve 5.
Refrigeration oil in oil eliminator 2 returns to compressor 1 suction side, low temperature through throttling arrangement under height pressure reduction promotes
In environment, the pipeline before throttling arrangement is susceptible to bigger temperature drop, causes refrigeration oil viscosity to increase, and oil viscosity easily exists after increasing
Block at capillary tube 4.
As in Figure 2-4, the compressor oil return control device that one embodiment of the present of invention proposes, for compressor oil return
In pipe-line system, described compressor oil-return pipeline system is as a example by shown in Fig. 1, however it is not limited to the compressor oil return pipe shown in Fig. 1
Road system.
As it is shown in fig. 7, the present embodiment proposes compressor oil return control device, for the compressor oil-return pipeline system of air-conditioning
On, including:
Heating module, for utilizing the high pressure thermal source of the air vent of compressor 1 that oil return pipe is heated, such as, described
Heating module is heat exchanger 6, and the entrance of described heat exchanger 6 connects with the air vent of compressor 1, the outlet of described heat exchanger 6 with
The air inlet connection of compressor 1.
Control module, is used for controlling described heating module, makes returning-oil temperature in described oil return pipe 3 not less than the preset
One temperature W1 DEG C.
Alternatively, described control module, it is additionally operable to control described heating module, makes the returning-oil temperature in described oil return pipe not
More than the second temperature W2 DEG C preset, wherein said first temperature W1 DEG C is less than or equal to described second temperature W2 DEG C.
The present embodiment makes full use of the high temperature and high pressure gas of the air vent of compressor, controls freezing oil temperature by control module
In degree interval between the first temperature and the second temperature, thus ensure that oil return is unobstructed, improve unit operation stability.
As it is shown in figure 9, further, the compressor oil return control device that the embodiment of the present invention provides, also include that temperature is examined
Survey module, the returning-oil temperature in oil return pipe after detecting heating.
Alternatively, described temperature detecting module, such as can use temperature sensor 8.
Alternatively, described control module, it is additionally operable to control described heating module (heat exchanger according to the returning-oil temperature detected
6)。
As shown in Figure 8, further, also include adjustment module, flow through the gas flow of described heat exchanger 6 for regulation.
Alternatively, described adjustment module, such as use electric expansion valve 7.
Alternatively, described control module, it is additionally operable to control described electric expansion valve 7.
Such as: when in oil return pipe, the returning-oil temperature of 3 is less than the first temperature W1 DEG C, control module controls electric expansion valve 7
Opening, when electric expansion valve 7 is not reaching to maximum already at open mode and aperture, control module controls electronic expansion
The aperture of valve 7 increases, to increase the flow flowing through described heat exchanger.
And for example: when the returning-oil temperature in oil return pipe 3 is higher than the second temperature W2 DEG C, control module controls electric expansion valve 7
Reduce aperture, to reduce the flow flowing through described heat exchanger 6, or electric expansion valve can also be controlled by described control module
7 close.
The present embodiment makes full use of the high temperature and high pressure gas of exhaust outlet of compressor, bypasses aperture by electronic expansion valve regulation
Size, stablizes refrigeration oil temperature at fixed interval (W1 DEG C-W2 DEG C), thus ensures that oil return is unobstructed, improves unit operation stability.
It is possible to further control electric expansion valve 7 according to the persistent period state of returning-oil temperature.
Such as: when in oil return pipe, the returning-oil temperature of 3 was less than the first temperature W1 DEG C in continuous X1 minute, control module control
Electric expansion valve 7 processed is opened, and when electric expansion valve 7 is already at open mode, control module controls opening of electric expansion valve 7
Degree increases, to increase the flow flowing through described heat exchanger 6.
And for example: when the returning-oil temperature in oil return pipe was higher than the second temperature W2 DEG C in continuous X2 minute, control module control
Electric expansion valve 7 processed reduces aperture, to reduce the flow flowing through described heat exchanger 6, or can also be by described control module
Control electric expansion valve 7 to close.
Wherein time X1 can be equal with time X2, it is also possible to.
During implementing, it is possible to the first temperature W1 DEG C is set to equal with the second temperature W2 DEG C, now needs to set
Count corresponding time duration X 1 or X2, i.e. between continuous detecting returning-oil temperature at regular intervals, and in judging at this moment
Whether returning-oil temperature meets control condition, and then is controlled electromagnetic expanding valve 7.
As shown in Figure 2,3, described electric expansion valve 7 may be mounted on the entrance pipe of described heat exchanger 6, it is also possible to peace
It is contained on the export pipeline of described heat exchanger 6.
Alternatively, described electromagnetic expanding valve 7 also can replace with stop valve or capillary tube.Compared with electric expansion valve, use
The advantage of stop valve or capillary tube is to have only to be controlled the opening and closing of described stop valve or capillary tube, controls logic letter
Single, cost reduction disclosure satisfy that returning-oil temperature controls requirement；Preferably, electric expansion valve is used to be controlled gas flow, right
Unit return line heats is more preferable.
Compressor oil return control device described in the embodiment of the present invention, when unit operation high pressure is too high, it is possible to open institute
State compressor oil return control device and alleviate pressure reduction.
Such as: described control module, it is additionally operable to control described electric expansion valve 7, makes compressor operating pressure higher than first
During pressure P1, control module controls electric expansion valve 7 and opens, or when described electric expansion valve 7 is in open mode, enters one
Step controls electric expansion valve 7 and increases aperture, and then increases the gas flow flowing through described heat exchanger, reduces the height of unit operation
Pressure.
And for example: when compressor start, height pressure reduction is excessive, it is possible to open described compressor oil return control device.Now
Described control module, is additionally operable to control described electric expansion valve 7, makes height pressure reduction during described compressor start more than the second pressure
During power, control module controls electric expansion valve 7 and opens, or control electric expansion valve 7 increases aperture further, and then increases stream
Through the gas flow of described heat exchanger, height pressure reduction when reducing compressor start.
The embodiment of the present invention also provides for a kind of air-conditioning, and it uses the compressor oil return control device described in above example.
The present invention makes full use of the high temperature and high pressure gas of exhaust outlet of compressor, bypasses aperture size by electronic expansion valve regulation, stable
Refrigeration oil temperature is at a fixed interval, thus ensures that oil return is unobstructed, improves unit operation stability.When unit operation high pressure is too high
Time, it is possible to open the compressor oil return control device on air-conditioning, alleviate the problem that unit operation high pressure is too high.Or, work as compression
When machine starts, height pressure reduction is excessive, it is possible to open the compressor oil return control device on air-conditioning equipment, to reduce compressor start
Time height pressure reduction.
As seen in figs. 5-6, and combine accompanying drawing 2-4, accompanying drawing 7-9, compressor method for controlling oil return described in the embodiment of the present invention,
Including:
Heating steps S10, utilizes the high pressure thermal source of exhaust outlet of compressor to heat oil return pipe.
Rate-determining steps S20, controls the heating module on described oil return pipe, makes the returning-oil temperature in described oil return pipe be not less than
First temperature W1 DEG C.Such as, described heating module selects heat exchanger 6.
The present embodiment utilizes the high temperature and high pressure gas of exhaust outlet of compressor to heat oil return pipe, thus ensures oil return pipe
Unobstructed, improve unit operation stability.
Further, described rate-determining steps S20, also control the heating module on described oil return pipe, in making described oil return pipe
Returning-oil temperature be not more than the second temperature W2 DEG C, wherein the first temperature W1 DEG C is less than or equal to the second temperature W2 DEG C.
The present embodiment makes full use of the high temperature and high pressure gas of exhaust outlet of compressor, controls refrigeration oil temperature by control module
In interval between the first temperature W1 DEG C and the second temperature W2 DEG C, thus ensure that oil return is unobstructed, improve unit operation stability.
Further, the control method described in the present embodiment, also include temperature detection step, the oil return pipe after detection heating
Interior returning-oil temperature；
Described heat exchanger 6 is controlled according to the returning-oil temperature detected.
Further, as shown in Figure 6, the control method described in the embodiment of the present invention, also include regulating step S15, regulation
Flow through the gas flow of described heat exchanger 6；
When the returning-oil temperature in oil return pipe 3 is less than the first temperature W1 DEG C, increase the gas stream flowing through described heat exchanger 6
Amount；When the returning-oil temperature in oil return pipe 3 is higher than the second temperature W2 DEG C, reduce the gas flow flowing through described heat exchanger 6.
Further, when the returning-oil temperature in oil return pipe 3 is less than the first temperature in very first time X1, increases and flow through institute
State the gas flow of heat exchanger 6；When the returning-oil temperature in oil return pipe 3 is higher than the second temperature in the second time X2, reduce stream
Gas flow through described heat exchanger 6.
Wherein time X1 can be equal with time X2, it is also possible to.
During implementing, it is possible to the first temperature W1 DEG C is set to equal with the second temperature W2 DEG C, now needs to set
Count corresponding time duration X 1 or X2.
Further, described regulating step S15 also includes, when compressor operating pressure is higher than the first pressure P1, increases
Flow through the gas flow of described heat exchanger.
Further, described regulating step S15 also includes, the height pressure reduction when described compressor start is more than the second pressure
During power P2, increase the gas flow flowing through described heat exchanger.
The compressor method for controlling oil return that the embodiment of the present invention provides, makes full use of the High Temperature High Pressure gas of exhaust outlet of compressor
Body, bypasses aperture size by electronic expansion valve regulation, stablize refrigeration oil temperature at a fixed interval, thus ensures that oil return is logical
Freely, unit operation stability is improved.When unit operation high pressure is too high, electric expansion valve can be controlled and open, alleviate unit fortune
The problem that horizontal high voltage is too high.Or, when compressor start, height pressure reduction is excessive, it is possible to controls electric expansion valve and opens, with fall
Height pressure reduction when low compression machine starts.
In sum, skilled addressee readily understands that, on the premise of not conflicting, above-mentioned each advantageous manner can
Freely to combine, superposition.
The above, be only presently preferred embodiments of the present invention, the present invention not makees any pro forma restriction, depends on
Any simple modification, equivalent variations and the modification made above example according to the technical spirit of the present invention, all still falls within this
In the range of bright technical scheme.
Claims (23)
1. a compressor oil return control device, it is characterised in that including:
Heating module, for utilizing the high pressure thermal source of exhaust outlet of compressor to heat oil return pipe；
Control module, is used for controlling described heating module, makes the returning-oil temperature in described oil return pipe not less than the first temperature preset
Degree.
Control device the most as claimed in claim 1, it is characterised in that described control module, be additionally operable to control described heated mould
Block, makes the returning-oil temperature in described oil return pipe be not more than the second temperature preset, and wherein said first temperature is less than or equal to described
Second temperature.
Control device the most as claimed in claim 1 or 2, it is characterised in that also include temperature detecting module, for detection through institute
State the returning-oil temperature in the oil return pipe after heating module heating；
Correspondingly, described control module, it is additionally operable to the described returning-oil temperature according to described temperature detecting module detects and controls institute
State heating module.
4. the control device as described in claim 1-3 is arbitrary, it is characterised in that described heating module includes heat exchanger, described
The entrance of heat exchanger connects with the air vent of described compressor, and the outlet of described heat exchanger connects with the air inlet of compressor.
Control device the most as claimed in claim 4, it is characterised in that also include adjustment module, for regulation flow through described in change
The gas flow of hot device；
Correspondingly, described control module, it is additionally operable to, when the returning-oil temperature in described oil return pipe is less than described first temperature, control
Described adjustment module is opened or is controlled described adjustment module and increases the gas flow flowing through described heat exchanger；When in described oil return pipe
Returning-oil temperature higher than described second temperature time, control described adjustment module and reduce and flow through gas flow or the control of described heat exchanger
Make described adjustment module to close.
Control device the most as claimed in claim 5, it is characterised in that described control module, be additionally operable to when in described oil return pipe
Described returning-oil temperature within the very first time less than the first temperature time, control described adjustment module and open or control described regulation mould
Block increases the gas flow flowing through described heat exchanger；When the described returning-oil temperature in described oil return pipe within the second time higher than the
During two temperature, control the reduction of described adjustment module and flow through the gas flow of described heat exchanger or control the closedown of described adjustment module.
7. the control device as described in claim 5 or 6, it is characterised in that described control module, is additionally operable to when described compressor
Operating pressure higher than the first pressure time, control described adjustment module open or control described adjustment module increase flow through described in change
The gas flow of hot device.
8. the control device as described in one of claim 5-7, it is characterised in that described control module, is additionally operable to when described pressure
When height pressure reduction when contracting machine starts is more than the second pressure, controls described adjustment module and open or control the increase of described adjustment module
Flow through the gas flow of described heat exchanger.
9. the control device as described in one of claim 5-8, it is characterised in that described adjustment module include electric expansion valve or
Stop valve or capillary tube.
10. the control device as described in one of claim 5-9, it is characterised in that described adjustment module is arranged on described heat exchange
On the entrance pipe of device or export pipeline.
11. control device as claimed in claim 3, it is characterised in that described temperature detecting module includes temperature sensor.
12. 1 kinds of air-conditionings, including compressor and oil eliminator, it is characterised in that described air-conditioning also includes such as claim 1-11
One of described compressor oil return control device.
13. 1 kinds of compressor method for controlling oil return, it is characterised in that including:
Heating steps, utilizes the high pressure thermal source of exhaust outlet of compressor to heat oil return pipe；
Rate-determining steps, controls the heating module on described oil return pipe, makes returning-oil temperature in described oil return pipe not less than presetting
First temperature.
14. control methods as claimed in claim 13, it is characterised in that described rate-determining steps, also control on described oil return pipe
Heating module, make the returning-oil temperature in described oil return pipe be not more than preset the second temperature, wherein said first temperature is less than
Equal to described second temperature.
15. control methods as described in claim 13 or 14, it is characterised in that also including temperature detection step, detection is through institute
State the returning-oil temperature in the oil return pipe after heating module heating；
Correspondingly, described heating module is controlled according to the described returning-oil temperature detected.
16. control methods as described in one of claim 13-15, it is characterised in that described heating steps is complete by heat exchanger
Becoming, the entrance of described heat exchanger connects with the air vent of described compressor, the outlet of described heat exchanger and the air inlet of compressor
Connection.
17. control methods as claimed in claim 16, it is characterised in that also include that regulating step, regulation flow through described heat exchange
The gas flow of device；
Correspondingly, when the returning-oil temperature in described oil return pipe is less than described first temperature, the gas flowing through described heat exchanger is increased
Body flow；When the returning-oil temperature in described oil return pipe is higher than described second temperature, reduce the gas stream flowing through described heat exchanger
Amount.
18. control methods as claimed in claim 17, it is characterised in that when the returning-oil temperature in oil return pipe is within the very first time
During less than the first temperature, increase the gas flow flowing through described heat exchanger；When the returning-oil temperature in oil return pipe is within the second time
During higher than the second temperature, reduce the gas flow flowing through described heat exchanger.
19. control methods as described in claim 17 or 18, it is characterised in that described regulating step also includes, when described pressure
When the operating pressure of contracting machine is higher than the first pressure, increase the gas flow flowing through described heat exchanger.
20. control methods as described in one of claim 17-19, it is characterised in that described regulating step also includes, when described
When height pressure reduction during compressor start is more than the second pressure, increase the gas flow flowing through described heat exchanger.
21. control methods as described in one of claim 17-20, it is characterised in that described regulating step passes through electronic expansion
Valve or stop valve or capillary tube complete.
22. control methods as described in one of claim 17-21, it is characterised in that described electric expansion valve or stop valve peace
It is contained on entrance pipe or the export pipeline of described heat exchanger.
23. control methods as claimed in claim 15, it is characterised in that described temperature detection step is complete by temperature sensor
Become.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631536.2A CN106288520A (en) | 2016-08-02 | 2016-08-02 | A kind of compressor oil return control device, control method and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631536.2A CN106288520A (en) | 2016-08-02 | 2016-08-02 | A kind of compressor oil return control device, control method and air-conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106288520A true CN106288520A (en) | 2017-01-04 |
Family
ID=57665100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610631536.2A Pending CN106288520A (en) | 2016-08-02 | 2016-08-02 | A kind of compressor oil return control device, control method and air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106288520A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839524A (en) * | 2017-03-16 | 2017-06-13 | 广东美的暖通设备有限公司 | The control method and system of cold-hot water air conditioning unit oil return |
| CN107062679A (en) * | 2017-04-27 | 2017-08-18 | 广东美的制冷设备有限公司 | Air-conditioning system and its control method |
| CN107560238A (en) * | 2017-10-18 | 2018-01-09 | 伊马莱富（北京）制药系统有限公司 | The oil return apparatus and oil return method of a kind of refrigeration system |
| CN108613434A (en) * | 2018-04-12 | 2018-10-02 | 珠海格力电器股份有限公司 | The method for controlling oil return and device of air-conditioning |
| CN109236626A (en) * | 2018-08-13 | 2019-01-18 | 珠海格力电器股份有限公司 | For detecting compressor oil return line system dirty plugging, method and electric equipment products |
| CN112815572A (en) * | 2021-01-18 | 2021-05-18 | 中科广能能源研究院(重庆)有限公司 | Gas heat pump air conditioning system and rapid heating and liquid-proof compression control method |
| CN113864993A (en) * | 2021-11-04 | 2021-12-31 | 宁波奥克斯电气股份有限公司 | Control method of auxiliary oil return device of multi-split air conditioning system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000346502A (en) * | 1999-06-02 | 2000-12-15 | Mitsubishi Electric Building Techno Service Co Ltd | Refrigerating device |
| JP2002090005A (en) * | 2000-09-20 | 2002-03-27 | Hitachi Ltd | Horizontal accumulator for horizontal sealed compressor |
| CN103600748A (en) * | 2013-11-21 | 2014-02-26 | 石家庄国祥运输设备有限公司 | Air-conditioning unit |
| CN204027107U (en) * | 2014-01-10 | 2014-12-17 | 广东申菱空调设备有限公司 | With the air-conditioning refrigeration system of hot-gas bypass |
| CN104613685A (en) * | 2014-12-26 | 2015-05-13 | 上海理工大学 | Refrigeration device capable of being rapidly started after being stopped with reduced starting torque |
| CN204880905U (en) * | 2015-06-12 | 2015-12-16 | 珠海格力电器股份有限公司 | Oil separator subassembly and refrigerating system |
-
2016
- 2016-08-02 CN CN201610631536.2A patent/CN106288520A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000346502A (en) * | 1999-06-02 | 2000-12-15 | Mitsubishi Electric Building Techno Service Co Ltd | Refrigerating device |
| JP2002090005A (en) * | 2000-09-20 | 2002-03-27 | Hitachi Ltd | Horizontal accumulator for horizontal sealed compressor |
| CN103600748A (en) * | 2013-11-21 | 2014-02-26 | 石家庄国祥运输设备有限公司 | Air-conditioning unit |
| CN204027107U (en) * | 2014-01-10 | 2014-12-17 | 广东申菱空调设备有限公司 | With the air-conditioning refrigeration system of hot-gas bypass |
| CN104613685A (en) * | 2014-12-26 | 2015-05-13 | 上海理工大学 | Refrigeration device capable of being rapidly started after being stopped with reduced starting torque |
| CN204880905U (en) * | 2015-06-12 | 2015-12-16 | 珠海格力电器股份有限公司 | Oil separator subassembly and refrigerating system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839524A (en) * | 2017-03-16 | 2017-06-13 | 广东美的暖通设备有限公司 | The control method and system of cold-hot water air conditioning unit oil return |
| CN106839524B (en) * | 2017-03-16 | 2019-10-25 | 广东美的暖通设备有限公司 | The control method and system of cold-hot water air conditioning unit oil return |
| CN107062679A (en) * | 2017-04-27 | 2017-08-18 | 广东美的制冷设备有限公司 | Air-conditioning system and its control method |
| CN107560238A (en) * | 2017-10-18 | 2018-01-09 | 伊马莱富（北京）制药系统有限公司 | The oil return apparatus and oil return method of a kind of refrigeration system |
| CN107560238B (en) * | 2017-10-18 | 2023-07-04 | 伊马莱富（北京）制药系统有限公司 | Oil return device and oil return method of refrigeration system |
| CN108613434A (en) * | 2018-04-12 | 2018-10-02 | 珠海格力电器股份有限公司 | The method for controlling oil return and device of air-conditioning |
| CN109236626A (en) * | 2018-08-13 | 2019-01-18 | 珠海格力电器股份有限公司 | For detecting compressor oil return line system dirty plugging, method and electric equipment products |
| CN109236626B (en) * | 2018-08-13 | 2020-03-24 | 珠海格力电器股份有限公司 | System and method for detecting dirty blockage of oil return pipeline of compressor and electric appliance product |
| CN112815572A (en) * | 2021-01-18 | 2021-05-18 | 中科广能能源研究院(重庆)有限公司 | Gas heat pump air conditioning system and rapid heating and liquid-proof compression control method |
| CN113864993A (en) * | 2021-11-04 | 2021-12-31 | 宁波奥克斯电气股份有限公司 | Control method of auxiliary oil return device of multi-split air conditioning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106288520A (en) | A kind of compressor oil return control device, control method and air-conditioning | |
| CN104101127B (en) | Multi-online air-conditioning system and defrosting control method thereof | |
| CN203533802U (en) | Air-conditioning system | |
| CN203405032U (en) | Condenser with adjustable heat exchange area and air conditioning system | |
| CN107917505B (en) | A kind of multi-split air conditioner and its outdoor unit defrosting control method | |
| CN106225290A (en) | Air-conditioning and control method thereof | |
| CN105318491B (en) | The control method and device of air conditioner | |
| CN205505497U (en) | Compressor oily system of accuse and air conditioner that has this system | |
| CN102829582A (en) | System and method for recovering refrigerant of air conditioner | |
| CN104729163A (en) | Air conditioning system and defrosting control method thereof | |
| WO2016067567A1 (en) | Air-conditioning control device and vehicle air-conditioning device, and method for determining fault in electromagnetic valve of air-conditioning control device | |
| CN107421072A (en) | Air conditioner and its high temperature-proof control method | |
| CN208832603U (en) | Air-conditioning system | |
| CN104101143A (en) | Air conditioner and control method thereof | |
| CN106556079A (en) | Off-premises station, the temperature-controlled process of electric-controlled box and device | |
| CN106871470B (en) | The pressure regulating method of air-conditioning system | |
| CN103913005A (en) | Refrigeration system, control method for same, and air conditioner with refrigeration system | |
| CN205227909U (en) | Adjust compression organizational security and hold normal exhaust temperature's air conditioning system | |
| CN105258410A (en) | Air conditioner and method for improving refrigerating capacity of air conditioner under high-temperature environment | |
| CN107621058A (en) | Indoor-unit cooling-medium control device and its control method, indoor set and air-conditioning system | |
| CN105627613B (en) | The outdoor unit and air conditioner of air conditioner | |
| CN104949375A (en) | Air conditioning system and refrigerant adjustment and control method | |
| CN103411269B (en) | Indoor apparatus of air conditioner, the air-conditioner of application and control method thereof | |
| CN105783121A (en) | Cabinet air conditioner system | |
| CN103528135B (en) | Air-conditioner and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |