CN112178982B - Compressor, control method thereof and air conditioning unit - Google Patents
Compressor, control method thereof and air conditioning unit Download PDFInfo
- Publication number
- CN112178982B CN112178982B CN202011079535.4A CN202011079535A CN112178982B CN 112178982 B CN112178982 B CN 112178982B CN 202011079535 A CN202011079535 A CN 202011079535A CN 112178982 B CN112178982 B CN 112178982B
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- CN
- China
- Prior art keywords
- cooling
- compressor
- wiring structure
- shell
- sealing cover
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004378 air conditioning Methods 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000003507 refrigerant Substances 0.000 claims abstract description 32
- 239000002826 coolant Substances 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
Landscapes
- 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 sealing cover is arranged on the outer wall of the shell, a wiring cavity is formed by enclosing 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 is electrically connected with components in 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, and the wiring structure inside the sealing cover is cooled through the cooling system, so that the refrigerant inside the sealing cover is only required to be recovered, the problem that the wiring structure is required to be arranged inside the shell for cooling and the refrigerant of the whole air conditioning unit is required 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 thereof and an air conditioning unit.
Background
Terminal and wiring board that present semi-enclosed compressor used, terminal direct and refrigerant contact, the wiring board bears sealed compressor inside refrigerant effect simultaneously, leads to when terminal or wiring board appear unusual, must retrieve the refrigerant of whole unit just can dismantle the change earlier, has after-sale maintenance difficulty, influence scope is big, maintenance cycle is long problem.
Disclosure of Invention
In order to solve the technical problems of difficult maintenance and long period caused by the need of recovering the refrigerant of the whole unit when the binding post and the wiring board are damaged in the prior art, the invention provides a compressor with a wiring structure arranged outside a shell to avoid recovering the refrigerant of the whole unit, a control method thereof and an air conditioning unit.
A compressor, comprising:
a housing;
the sealing cover is arranged on the outer wall of the shell, a wiring cavity is formed 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 is electrically connected with components in the shell.
The sealing cover is provided with a cooling inlet and a cooling outlet, the cooling inlet is provided with a first electromagnetic valve, and the cooling outlet is provided with a second electromagnetic valve; when the compressor is in a working state, the first electromagnetic valve and the second electromagnetic valve are in a communication state, and a 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 in a closing 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 seal housing.
The shell is provided with a refrigerant sealing plate, the sealing cover and the refrigerant sealing plate jointly enclose into the wiring cavity, and the wiring structure penetrates through the refrigerant sealing plate and is electrically connected with the component.
An evacuation port is arranged on the sealing cover.
The control method of the compressor, wherein the sealing cover is provided with a cooling inlet and a cooling outlet, the cooling inlet is provided with a first electromagnetic valve, and the cooling outlet is provided with a second electromagnetic valve, the control method comprises the following steps:
Judging whether the wiring structure has faults or not;
if so, closing the first electromagnetic valve and the second electromagnetic valve and replacing the wiring structure.
The method further comprises the steps of, before closing the first electromagnetic valve and the second electromagnetic valve and replacing the wiring structure:
the first solenoid valve and the second solenoid valve are closed after determining a first preset period of time when the wiring structure fails.
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, and the wiring structure inside the sealing cover is cooled through the cooling system, so that the refrigerant inside the sealing cover is only required to be recovered, the problem that the wiring structure is required to be arranged inside the shell for cooling and the refrigerant of the whole air conditioning unit is required 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 according to an embodiment of an air conditioning unit and a control method thereof;
In the figure:
1. a housing; 2. a sealing cover; 3. a wiring cavity; 4. a wiring structure; 5. a first electromagnetic valve; 6. and a second electromagnetic valve.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
A compressor as shown in fig. 1, comprising: the motor comprises a shell 1, wherein structures such as a motor stator and the like are arranged in the shell 1, and stator windings are 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 the cooling system, namely, a sealing cavity is additionally enclosed on the outer wall of the shell 1 by utilizing the sealing cover 2, and the cooling system can provide cooling medium for the sealing cavity of the sealing cover 2 so as to cool the structure inside the sealing cover 2; the wiring structure 4 is arranged in the sealed cover 2, and one end of the wiring structure 4 penetrates through the shell 1 and then is electrically connected with components in the shell 1, namely, the wiring structure 4 arranged in the shell 1 in the prior art is arranged in the sealed cover 2 outside the shell 1, so that when the wiring structure 4 is replaced, only a cooling medium in the sealed cover 2 is required to be recovered, refrigerants in the whole air conditioning unit where the compressor is located are not required to be recovered, and maintenance difficulty and maintenance period are reduced.
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 (without faults), the first electromagnetic valve 5 and the second electromagnetic valve 6 are in a communication state, a cooling medium of the cooling system flows back to the cooling system after passing through the cooling inlet, the sealing cover 2 and the cooling outlet in sequence, and when the compressor has faults and needs to be replaced by the wiring structure 4, the first electromagnetic valve 5 and the second electromagnetic valve 6 are 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 junction structure 4 is cooled by liquid refrigerant in the condenser by utilizing the distance between the condenser and the evaporator, and the liquid refrigerant flows back into the evaporator to finish cooling of the junction structure 4.
The cooling inlet is positioned 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 corresponding structure along the cooling inlet by utilizing the self gravity of the cooling medium, for example, when the lowest point of the sealing cover 2 is higher than the condenser, the cooling medium can flow back to the condenser from the cooling inlet, and the purpose of recovering the cooling medium in the wiring cavity 3 is achieved.
Be provided with the refrigerant closing plate on the casing 1, sealed cowling 2 with the refrigerant closing plate encloses jointly and becomes wiring chamber 3, just wiring structure 4 runs through behind the refrigerant closing plate with the components and parts electricity of the inside of casing 1 are connected, when dismantling and installing wiring structure 4, utilize the refrigerant closing plate to seal the refrigerant of casing 1 inside, avoid the refrigerant by the hookup location of wiring structure 4 reveal.
An emptying port is arranged on the sealing cover 2, and residual cooling medium (refrigerant) in the wiring cavity 3 is discharged into the wiring cavity 3 through the emptying port, so that the wiring structure 4 is convenient to replace.
The control method of the compressor, wherein 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, and the cooling outlet is provided with a second electromagnetic valve 6, the control method comprises:
Judging whether the wiring structure 4 has a fault when the compressor has the fault, wherein the fault comprises the problems of terminal burning or wiring board burning and the like;
If so, the first electromagnetic valve 5 and the second electromagnetic valve 6 are closed, the wiring structure 4 is replaced, the communication 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 recovered 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, it further comprises:
After a first predetermined period of time, after which the connection 4 is determined to be defective, the first solenoid valve 5 and the second solenoid valve 6 are closed, and the cooling medium in the connection chamber 3 is discharged into the connection chamber 3 by means of the first predetermined period of time.
An air conditioning unit comprises the compressor.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. A compressor, characterized in that: comprising 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 formed by enclosing the sealing cover (2) and the corresponding outer surface of the shell (1), and the wiring cavity (3) is communicated with the 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 is electrically connected with components in the shell (1);
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 in a communication state, and a cooling medium of the cooling system flows back to the cooling system after passing through the cooling inlet, the wiring cavity (3) and the cooling outlet in sequence, and when the wiring structure (4) is replaced, the first electromagnetic valve (5) and the second electromagnetic valve (6) are in a closed state;
The cooling inlet is located at the lowest point of the sealing cap (2);
The shell (1) is provided with a refrigerant sealing plate, the sealing cover (2) and the refrigerant sealing plate jointly enclose into the wiring cavity (3), and the wiring structure (4) penetrates through the refrigerant sealing plate and is electrically connected with the components.
2. The compressor as set forth in claim 1, 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.
3. The compressor as set forth in claim 1, wherein: an emptying port is arranged on the sealing cover (2).
4. A control method of a compressor according to any one of claims 1 to 3, characterized in that: the sealing cover (2) is provided with a cooling inlet and a cooling outlet, a first electromagnetic valve (5) is arranged at the cooling inlet, a second electromagnetic valve (6) is arranged at the cooling outlet, and the control method comprises the following steps:
Judging whether the wiring structure (4) has faults or not;
if so, the first solenoid valve (5) and the second solenoid valve (6) are closed and the wiring structure (4) is replaced.
5. The control method according to claim 4, characterized in that: before closing the first solenoid valve (5) and the second solenoid valve (6) and replacing the wiring structure (4), it further comprises:
After a first predetermined period of time, in which the connection (4) fails, the first solenoid valve (5) and the second solenoid valve (6) are closed.
6. An air conditioning unit, characterized in that: a compressor comprising any one of claims 1 to 3.
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 CN112178982A (en) | 2021-01-05 |
| CN112178982B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (8)
| 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 |
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT8190U1 (en) * | 2005-03-03 | 2006-03-15 | Acc Austria Gmbh | REFRIGERANT COMPRESSOR |
| CN107013460B (en) * | 2017-04-28 | 2020-06-30 | 上海海立新能源技术有限公司 | A kind of compressor |
-
2020
- 2020-10-10 CN CN202011079535.4A patent/CN112178982B/en active Active
Patent Citations (8)
| 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 |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112178982A (en) | 2021-01-05 |
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