CN112178982A - Compressor, control method thereof and air conditioning unit - Google Patents
Compressor, control method thereof and air conditioning unit Download PDFInfo
- Publication number
- CN112178982A CN112178982A CN202011079535.4A CN202011079535A CN112178982A CN 112178982 A CN112178982 A CN 112178982A CN 202011079535 A CN202011079535 A CN 202011079535A CN 112178982 A CN112178982 A CN 112178982A
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- CN
- China
- Prior art keywords
- cooling
- compressor
- wiring structure
- electromagnetic valve
- shell
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004378 air conditioning Methods 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 61
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 239000003507 refrigerant Substances 0.000 claims abstract description 33
- 239000002826 coolant Substances 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- F25B31/006—Cooling of compressor or motor
- F25B31/008—Cooling of compressor or motor by injecting a liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressor (AREA)
Abstract
The invention provides a compressor, a control method thereof and an air conditioning unit, wherein the compressor comprises: the shell and the sealing cover are arranged on the outer wall of the shell, a wiring cavity is defined by the sealing cover and the corresponding outer surface of the shell, and the wiring cavity is communicated with a cooling system; the wiring structure is arranged in the wiring cavity, and one end of the wiring structure penetrates through the shell and then is electrically connected with the components inside the shell. According to the compressor, the control method thereof and the air conditioning unit, the wiring structure is arranged outside the shell through the sealing cover, the cooling system is used for cooling the wiring structure inside the sealing cover, and only the refrigerant in the sealing cover needs to be recovered, so that the problem that the wiring structure needs to be arranged inside the shell for cooling and the refrigerant of the whole air conditioning unit needs to be recovered when the wiring structure is replaced in the prior art is solved, and the maintenance difficulty and the maintenance period are effectively reduced.
Description
Technical Field
The invention relates to the technical field of compression equipment, in particular to a compressor, a control method of the compressor and an air conditioning unit.
Background
At present, a binding post and a wiring board used by a semi-closed compressor are in direct contact with a refrigerant, and the wiring board simultaneously plays a role in sealing the refrigerant inside the compressor, so that when the binding post or the wiring board is abnormal, the refrigerant of the whole unit needs to be recycled firstly to be disassembled and replaced, and the problems of difficulty in after-sale maintenance, large influence range and long maintenance period exist.
Disclosure of Invention
In order to solve the technical problems that in the prior art, when a wiring terminal and a wiring board are damaged, a refrigerant of the whole unit needs to be recycled, so that maintenance is difficult and the period is long, a wiring structure is arranged outside a shell to avoid the refrigerant recycling of the whole unit, a control method of the compressor and an air conditioning unit are provided.
A compressor, comprising:
a housing;
the sealing cover is arranged on the outer wall of the shell, a wiring cavity is defined by the sealing cover and the corresponding outer surface of the shell, and the wiring cavity is communicated with the cooling system;
the wiring structure is arranged in the wiring cavity, and one end of the wiring structure penetrates through the shell and then is electrically connected with the components inside the shell.
A cooling inlet and a cooling outlet are arranged on the sealing cover, a first electromagnetic valve is arranged at the cooling inlet, and a second electromagnetic valve is arranged at the cooling outlet; when the compressor is in a working state, the first electromagnetic valve and the second electromagnetic valve are both in a communicated state, cooling medium of the cooling system flows back to the cooling system after sequentially passing through the cooling inlet, the wiring cavity and the cooling outlet, and when the wiring structure is replaced, the first electromagnetic valve and the second electromagnetic valve are both in a closed state.
The compressor is applied to refrigerant heat exchange circulation, the refrigerant heat exchange circulation further comprises a condenser and an evaporator, the cooling inlet is communicated with the condenser, and the cooling outlet is communicated with the evaporator.
The cooling inlet is located at the lowest point of the sealed enclosure.
The shell is provided with a refrigerant sealing plate, the sealing cover and the refrigerant sealing plate jointly enclose a wiring cavity, and the wiring structure penetrates through the refrigerant sealing plate and then is electrically connected with the component.
And the sealing cover is provided with an evacuation port.
A control method of the compressor is characterized in that a cooling inlet and a cooling outlet are arranged on the sealing cover, a first electromagnetic valve is arranged at the cooling inlet, and a second electromagnetic valve is arranged at the cooling outlet, and the control method comprises the following steps:
judging whether the wiring structure has a fault or not;
if yes, the first electromagnetic valve and the second electromagnetic valve are closed, and the wiring structure is replaced.
Before closing first solenoid valve and second solenoid valve and changing wiring structure still include:
the first and second solenoid valves are closed after a first predetermined period of time in which a wiring structure is determined to be faulty.
An air conditioning unit comprises the compressor.
According to the compressor, the control method thereof and the air conditioning unit, the wiring structure is arranged outside the shell through the sealing cover, the cooling system is used for cooling the wiring structure inside the sealing cover, and only the refrigerant in the sealing cover needs to be recovered, so that the problem that the wiring structure needs to be arranged inside the shell for cooling and the refrigerant of the whole air conditioning unit needs to be recovered when the wiring structure is replaced in the prior art is solved, and the maintenance difficulty and the maintenance period are effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a compressor, a control method thereof, and an air conditioning unit according to an embodiment of the present invention;
in the figure:
1. a housing; 2. a sealing cover; 3. a wiring cavity; 4. a wiring structure; 5. a first solenoid valve; 6. a second solenoid valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The compressor shown in fig. 1 includes: the motor comprises a shell 1, wherein structures such as a motor stator and the like are arranged in the shell 1, and a stator winding is arranged on the motor stator; the sealing cover 2 is arranged on the outer wall of the shell 1, the sealing cover 2 and the outer surface of the shell 1 enclose a wiring cavity 3, the wiring cavity 3 is communicated with a cooling system, namely a sealing cavity is additionally enclosed on the outer wall of the shell 1 by the sealing cover 2, and the cooling system can provide a cooling medium for the sealing cavity of the sealing cover 2 so as to cool the structure in the sealing cover 2; wiring structure 4, set up in the sealed cowling 2, just wiring structure 4's one end runs through behind the casing 1 with the inside components and parts electricity of casing 1 is connected, also sets up wiring structure 4 in the inside of casing 1 among the prior art in the sealed cowling 2 of the outside of casing 1 to when changing wiring structure 4, only need to retrieve the coolant in the sealed cowling 2 can, need not all to retrieve the refrigerant in the whole air conditioning unit at compressor place, reduced the maintenance degree of difficulty and maintenance cycle.
A cooling inlet and a cooling outlet are arranged on the sealing cover 2, a first electromagnetic valve 5 is arranged at the cooling inlet, and a second electromagnetic valve 6 is arranged at the cooling outlet; when the compressor is in a working state (no fault), the first electromagnetic valve 5 and the second electromagnetic valve 6 are both in a communicating state, cooling media of the cooling system sequentially pass through the cooling inlet, the sealing cover 2 and the cooling outlet and then flow back to the cooling system, when the compressor has a fault and needs to be replaced the wiring structure 4, the first electromagnetic valve 5 and the second electromagnetic valve 6 are both in a closing state, so that the cooling system is disconnected from the wiring cavity 3, and the wiring structure 4 is convenient to replace.
The compressor is applied to refrigerant heat exchange circulation, the refrigerant heat exchange circulation further comprises a condenser and an evaporator, the cooling inlet is communicated with the condenser, the cooling outlet is communicated with the evaporator, namely, the condenser and the evaporator are kept away by pressure difference, a liquid refrigerant in the condenser is adopted to cool the wiring structure 4, and the refrigerant flows back to the evaporator, so that the wiring structure 4 is cooled.
The cooling inlet is located at the lowest point of the sealing cover 2, when the cooling medium in the wiring cavity 3 is recovered, the cooling medium flows back to the inside of the corresponding structure along the cooling inlet by utilizing the self gravity of the cooling medium, and if the lowest point of the sealing cover 2 is higher than the condenser, the refrigerant can flow back to the condenser from the cooling inlet, so that the purpose of recovering the cooling medium in the wiring cavity 3 is fulfilled.
Be provided with the refrigerant closing plate on the casing 1, sealed cowling 2 with the refrigerant closing plate encloses jointly wiring chamber 3, just wiring structure 4 runs through behind the refrigerant closing plate with the inside components and parts electricity of casing 1 is connected, when dismantling and installing wiring structure 4, utilizes the refrigerant closing plate to seal the inside refrigerant of casing 1, avoids the refrigerant by wiring structure 4's hookup location reveals.
The sealing cover 2 is provided with an evacuation port, and a cooling medium (refrigerant) remaining in the wiring cavity 3 is discharged out of the wiring cavity 3 by the evacuation port, so that the wiring structure 4 is convenient to replace.
A control method of the compressor is that a cooling inlet and a cooling outlet are arranged on the sealing cover 2, a first electromagnetic valve 5 is arranged at the cooling inlet, and a second electromagnetic valve 6 is arranged at the cooling outlet, and the control method comprises the following steps:
when the compressor has a fault, judging whether the wiring structure 4 has the fault, wherein the fault comprises the problems of terminal post burning or wiring board burning and the like;
if yes, the first electromagnetic valve 5 and the second electromagnetic valve 6 are closed, the wiring structure 4 is replaced, the connection between the wiring cavity 3 and the cooling system is cut off, and then the wiring structure 4 is replaced, so that the problem that the refrigerant of the whole air conditioning unit needs to be recycled in the prior art is solved.
Before closing the first solenoid valve 5 and the second solenoid valve 6 and replacing the wiring structure 4, the method further comprises the following steps:
after a first predetermined period of time in which a malfunction of the connection structure 4 is determined, the first solenoid valve 5 and the second solenoid valve 6 are closed, and the cooling medium in the connection chamber 3 is caused to flow out of the connection chamber 3 for the first predetermined period of time.
An air conditioning unit comprises the compressor.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A compressor, characterized by: the method comprises the following steps:
a housing (1);
the sealing cover (2) is arranged on the outer wall of the shell (1), a wiring cavity (3) is defined by the sealing cover (2) and the corresponding outer surface of the shell (1), and the wiring cavity (3) is communicated with a cooling system;
the wiring structure (4) is arranged in the wiring cavity (3), and one end of the wiring structure (4) penetrates through the shell (1) and then is electrically connected with the components inside the shell (1).
2. The compressor of claim 1, wherein: a cooling inlet and a cooling outlet are arranged on the sealing cover (2), a first electromagnetic valve (5) is arranged at the cooling inlet, and a second electromagnetic valve (6) is arranged at the cooling outlet; when the compressor is in a working state, the first electromagnetic valve (5) and the second electromagnetic valve (6) are both in a communicated state, cooling medium of the cooling system flows back to the cooling system after sequentially passing through the cooling inlet, the wiring cavity (3) and the cooling outlet, and when the wiring structure (4) is replaced, the first electromagnetic valve (5) and the second electromagnetic valve (6) are both in a closed state.
3. The compressor of claim 2, wherein: the compressor is applied to refrigerant heat exchange circulation, the refrigerant heat exchange circulation further comprises a condenser and an evaporator, the cooling inlet is communicated with the condenser, and the cooling outlet is communicated with the evaporator.
4. The compressor of claim 2, wherein: the cooling inlet is located at the lowest point of the sealing boot (2).
5. The compressor of claim 1, wherein: the shell (1) is provided with a refrigerant sealing plate, the sealing cover (2) and the refrigerant sealing plate jointly enclose a wiring cavity (3), and the wiring structure (4) penetrates through the refrigerant sealing plate and is electrically connected with the component.
6. The compressor of claim 1, wherein: and the sealing cover (2) is provided with an evacuation port.
7. A control method of a compressor according to any one of claims 1 to 6, characterized in that: the sealing cover (2) is provided with a cooling inlet and a cooling outlet, the cooling inlet is provided with a first electromagnetic valve (5), the cooling outlet is provided with a second electromagnetic valve (6), and the control method comprises the following steps:
judging whether the wiring structure (4) has a fault;
if yes, the first electromagnetic valve (5) and the second electromagnetic valve (6) are closed, and the wiring structure (4) is replaced.
8. The control method according to claim 7, characterized in that: before closing the first solenoid valve (5) and the second solenoid valve (6) and replacing the wiring structure (4), the method further comprises the following steps:
the first solenoid valve (5) and the second solenoid valve (6) are closed after a first preset time period in which the wiring structure (4) is determined to be faulty.
9. An air conditioning unit, its characterized in that: comprising a compressor according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011079535.4A CN112178982B (en) | 2020-10-10 | 2020-10-10 | Compressor, control method thereof and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011079535.4A CN112178982B (en) | 2020-10-10 | 2020-10-10 | Compressor, control method thereof and air conditioning unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112178982A true CN112178982A (en) | 2021-01-05 |
| CN112178982B CN112178982B (en) | 2024-05-03 |
Family
ID=73948662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011079535.4A Active CN112178982B (en) | 2020-10-10 | 2020-10-10 | Compressor, control method thereof and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112178982B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644471A (en) * | 2021-08-03 | 2021-11-12 | 珠海格力电器股份有限公司 | Integrated wiring plug assembly, compressor and air conditioner |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159912A (en) * | 1997-11-26 | 1999-06-15 | Matsushita Refrig Co Ltd | Servicing method of refrigerating cycle employing sealed motor-driven compressor as well as refrigerating cycle and refrigerating device |
| JP2002235666A (en) * | 2001-02-09 | 2002-08-23 | Toshiba Kyaria Kk | Hermetically sealed compressor |
| KR20020088172A (en) * | 2001-05-18 | 2002-11-27 | 삼성광주전자 주식회사 | Hermetic compressor with switch for overheat protection |
| US20080159887A1 (en) * | 2005-03-03 | 2008-07-03 | Hans Peter Schogler | Housing of a Refrigerant Compressor |
| JP2014202118A (en) * | 2013-04-04 | 2014-10-27 | ダイキン工業株式会社 | Compressor |
| CN109356826A (en) * | 2018-12-11 | 2019-02-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor housing structure and compressor with it |
| CN209943087U (en) * | 2018-12-20 | 2020-01-14 | 湖南汤普悦斯压缩机科技有限公司 | Fully-sealed horizontal scroll compressor |
| CN209994043U (en) * | 2019-08-14 | 2020-01-24 | 温州丽港机电设备有限公司 | Combined four-way junction box structure convenient to mount |
| US20200132072A1 (en) * | 2017-04-28 | 2020-04-30 | Shanghai Highly New Energy Technology Co., Ltd. | Compressor |
| CN214039041U (en) * | 2020-10-10 | 2021-08-24 | 珠海格力电器股份有限公司 | Compressor and air conditioning unit |
-
2020
- 2020-10-10 CN CN202011079535.4A patent/CN112178982B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159912A (en) * | 1997-11-26 | 1999-06-15 | Matsushita Refrig Co Ltd | Servicing method of refrigerating cycle employing sealed motor-driven compressor as well as refrigerating cycle and refrigerating device |
| JP2002235666A (en) * | 2001-02-09 | 2002-08-23 | Toshiba Kyaria Kk | Hermetically sealed compressor |
| KR20020088172A (en) * | 2001-05-18 | 2002-11-27 | 삼성광주전자 주식회사 | Hermetic compressor with switch for overheat protection |
| US20080159887A1 (en) * | 2005-03-03 | 2008-07-03 | Hans Peter Schogler | Housing of a Refrigerant Compressor |
| JP2014202118A (en) * | 2013-04-04 | 2014-10-27 | ダイキン工業株式会社 | Compressor |
| US20200132072A1 (en) * | 2017-04-28 | 2020-04-30 | Shanghai Highly New Energy Technology Co., Ltd. | Compressor |
| CN109356826A (en) * | 2018-12-11 | 2019-02-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor housing structure and compressor with it |
| CN209943087U (en) * | 2018-12-20 | 2020-01-14 | 湖南汤普悦斯压缩机科技有限公司 | Fully-sealed horizontal scroll compressor |
| CN209994043U (en) * | 2019-08-14 | 2020-01-24 | 温州丽港机电设备有限公司 | Combined four-way junction box structure convenient to mount |
| CN214039041U (en) * | 2020-10-10 | 2021-08-24 | 珠海格力电器股份有限公司 | Compressor and air conditioning unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644471A (en) * | 2021-08-03 | 2021-11-12 | 珠海格力电器股份有限公司 | Integrated wiring plug assembly, compressor and air conditioner |
| CN113644471B (en) * | 2021-08-03 | 2022-07-15 | 珠海格力电器股份有限公司 | Integrated wiring plug assembly, compressor and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112178982B (en) | 2024-05-03 |
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