CN109764567A - Refrigerator and its control method and manufacturing method - Google Patents
Refrigerator and its control method and manufacturing method Download PDFInfo
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- CN109764567A CN109764567A CN201811508705.9A CN201811508705A CN109764567A CN 109764567 A CN109764567 A CN 109764567A CN 201811508705 A CN201811508705 A CN 201811508705A CN 109764567 A CN109764567 A CN 109764567A
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- compressor
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Abstract
The present invention provides a kind of refrigerators, it include refrigeration system in the refrigerator, the refrigeration system includes interconnected evaporator, compressor, condenser and capillary, it is characterized in that, the refrigeration system further includes the air intake duct extended from compressor one end, and the air intake duct is connected with the evaporator；The refrigeration system further includes having process duct, and the process duct is also connected between the evaporator and compressor.Therefore, in this programme, by the way that process duct is also connected between the evaporator and compressor, in the case where compressor air suction ability is weaker, process duct and air intake duct carry out air-breathing to evaporator simultaneously, to increase the gettering ability of compressor by increasing a suction pathway, so that refrigerant is supplemented, can achieve the effect for making up refrigerating capacity.
Description
Technical field
The present invention relates to a kind of refrigerator and its control method and manufacturing method, especially a kind of refrigerator using process duct and
Its control method and manufacturing method.
Background technique
In the prior art, it is usually provided with a process duct on the compressor in refrigerator, during producing refrigerator,
It needs to be vacuumized by circuit of the process duct to entire refrigerant, refrigerant feeding, and after the completion of above-mentioned operation, by work
Skill pipe is sealed, to prevent gas leakage or leakage refrigerant.Also, during refrigerator maintenance, and generally pass through the technique
Pipe is vacuumized or liquid feeding.Therefore, common, process duct only plays a role in manufacture, maintenance.
With the development of Compressor Technology, miniaturization compressor is more and more commonly used, although miniaturization compression
During the test, nominal cooling capacity can be up to standard for machine, but in practical application, refrigerator is usually expressed as during cooling
Cooling capacity is insufficient, can not realize that same cooling is horizontal with the large volume compressor of same discharge capacity.
In China Patent Publication No. CN106705294A, a kind of refrigeration structure of cooling fan is proposed, in the patent application
In, the process duct of compressor supplements pipe by refrigerant and is connected to refrigerant storage tank, thus when refrigerating efficiency is not high, technique
Pipe can supplement the addition that pipe carries out refrigerant automatically by refrigerant.But it needs additionally to deposit using refrigerant in the patent application
Storage tank, to will affect the internal structure of refrigerator, and refrigerant can not also return again after flowing into refrigeration system in storage tank
Refrigerant storage tank is returned, so that the refrigerant in refrigeration system only can be more and more, it is also increasing for the energy consumption of refrigerator.
Therefore, it is necessary to design a kind of refrigerator, light duty compressor lowering ability can be improved under the premise of not increasing energy consumption
Insufficient problem.
Summary of the invention
It to solve the above-mentioned problems, include refrigeration system in the refrigerator the invention proposes a kind of refrigerator, the system
Cooling system includes being interconnected with the evaporator of forming circuit, compressor, condenser and capillary, and the refrigeration system further includes
The air intake duct extended from compressor one end, the air intake duct are connected with the evaporator；The refrigeration system further includes having work
Skill pipe, the process duct are also connected between the evaporator and compressor.
As a further improvement of the present invention, the refrigeration system further includes the muffler for being connected to evaporator, and described time
Tracheae is connected with the air intake duct and process duct.
As a further improvement of the present invention, the refrigeration system further includes tee tube, the air intake duct, muffler, work
Skill Guan Jun is connected on tee tube.
As a further improvement of the present invention, the refrigeration system further includes check valve, and the check valve is set to described
It in process duct or is set between the process duct and muffler, the check valve only allows refrigerant to flow to technique from muffler
Pipe.
As a further improvement of the present invention, the outer diameter of the muffler is 8mm, and the internal diameter of the air intake duct is 8.2mm.
To solve the above-mentioned problems, the invention proposes the control method of refrigerator described above, the control method includes:
Sense the rotation speed of compressor；Confirm that the revolving speed of compressor is greater than X1；The check valve is controlled to open；Confirm turning for compressor
Speed is less than X2；Control the closed check valve.
As a further improvement of the present invention, the X1 is 3000rpm, X2 1800rpm.
To solve the above-mentioned problems, the invention proposes the manufacturing method of refrigerator described above, the process duct include with
The first nozzle, the second nozzle and the third nozzle that compressor is connected, the tee tube include the first communicating pipe, the second communicating pipe
And third connecting pipe；The manufacturing method includes: the first communicating pipe of the second nozzle and tee tube that are connected to process duct；It is connected to work
The first nozzle and compressor of skill pipe；It is connected to the second communicating pipe and the air intake duct of tee tube；It is connected to the third connecting pipe of tee tube
And muffler；It is connected to muffler and evaporator；It is evacuated outward from third nozzle to form vacuum in refrigeration systems；From third pipe
Refrigerant is perfused into refrigeration system for mouth；Seal third nozzle.
As a further improvement of the present invention, the refrigerator further includes check valve, and the check valve includes an inlet and an outlet；
" the second nozzle and first communicating pipe of tee tube of connection process duct " includes: the second nozzle and unidirectionally for be connected to process duct
The outlet of valve；It is connected to the first communicating pipe of tee tube and the entrance of check valve.
Beneficial effects of the present invention: in the present solution, by process duct is also connected to the evaporator and compressor it
Between, so that the process duct in existing refrigerator is re-used, in the case where compressor air suction ability is weaker, process duct and suction
Tracheae carries out air-breathing to evaporator simultaneously, by increasing a suction pathway, the gettering ability of compressor is increased, so that refrigeration
Agent is supplemented, can achieve the effect for making up refrigerating capacity.Therefore, disposably become more by the refrigerant of compressor, then press
The refrigeration effect of contracting machine can also enhance, and the refrigerating efficiency of refrigerator also will increase.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of refrigerator of the present invention；
Fig. 2 is the enlarged structure schematic diagram of encircled portion in Fig. 1.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
In addition, duplicate label or mark may be used in various embodiments.These are repeated only for simple clear
The ground narration present invention, not representing has any relevance between the different embodiments or structure discussed.
It as shown in Figure 1 to Figure 2, include refrigeration system in the refrigerator the present invention relates to a kind of refrigerator, the refrigeration system
System includes being interconnected with the evaporator 1 of forming circuit, compressor 2, condenser 3 and capillary 4, the interior circulation of the refrigeration system
There is refrigerant.Refrigerant by becoming the gaseous state of high temperature and pressure by compressor 2, using condenser 3 carry out exothermic condensation at
The liquid of medium temperature high pressure forms the liquid of low-temp low-pressure after throttling using capillary 4.The liquid of low-temp low-pressure passes through evaporator
1, the heat absorption of evaporator 1 forms the gaseous state of low-temp low-pressure, to complete refrigeration cycle using compressor 2.
Therefore, the amount of refrigerant and the working condition of compressor 2 determine the efficiency of refrigeration.If disposably passing through compressor
The amount of 2 refrigerant is more, then the efficiency of refrigeration for refrigerator also necessarily improves.
Specifically, in the present embodiment, the refrigeration system further includes the air intake duct 21 extended from 2 one end of compressor,
The air intake duct 21 is connected with the evaporator 1.In the prior art, air intake duct 21 usually connection evaporator 1 and compressor
2, refrigerant is sent in compressor 2 from evaporator 1.The refrigeration system further includes having process duct 22, the process duct
22 are also connected between the evaporator 1 and compressor 2.
In the prior art, process duct 22 is usually connected on compressor 2, and during producing refrigerator, finally
It is vacuumized by circuit, that is, refrigeration system of the process duct 22 to entire refrigerant, refrigerant feeding, and complete in above-mentioned operation
Cheng Hou seals process duct 22.And in the actual course of work of refrigerator, process duct 22 is in sealing state always,
And it is not involved in the circulation of refrigerant.Only in the maintenance process to refrigerator, process duct 22 is opened once again and is vacuumized or is added
Refrigerant feeding.
Therefore, in the present solution, by the way that process duct 22 to be also connected between the evaporator 1 and compressor 2, thus will
Process duct 22 in existing refrigerator re-uses, in the case where 2 gettering ability of compressor is weaker, process duct 22 and air intake duct
21 carry out air-breathing to evaporator 1 simultaneously, by increasing a suction pathway, the gettering ability of compressor 2 are increased, so that refrigeration
Agent is supplemented, can achieve the effect for making up refrigerating capacity.Then according to described above, the disposable refrigeration for passing through compressor 2
Agent becomes more, then the refrigeration effect of compressor 2 can also enhance, and the refrigerating efficiency of refrigerator also will increase.Therefore, in present embodiment,
It does not need additionally to add refrigerant, that is, can reach the effect for improving refrigerating efficiency.
Specifically, the air intake duct 21 and process duct 22 is not direct is connected with evaporator 1, the refrigeration system further includes
It is connected to the muffler 11 of evaporator 1, the muffler 11 is connected with the air intake duct 21 and process duct 22.In this embodiment party
In formula, the refrigeration system further includes having tee tube 5, and the air intake duct 21, muffler 11, process duct 22 are connected to described three
On siphunculus 5.Specifically, the tee tube 5 includes the first communicating pipe 51, the second communicating pipe 52 and third connecting pipe 53, described the
A connecting pipe 51 is connected with the process duct 22, and second communicating pipe 52 is connected with air intake duct 21, the third connecting
Pipe 53 is connected with muffler 11.Air intake duct 21, muffler 11 and process duct 22 are connected to by the refrigeration system by tee tube 5
To together, thus when refrigerant is recycled to compressor 2 from evaporator 1, air intake duct 21 and muffler 11 air-breathing together increase back
The refrigerant of tracheae 11 by efficiency, to further increase refrigerating efficiency.
As shown in Fig. 2, the refrigeration system is additionally provided with check valve 6, the check valve 6 is set in the process duct 22
Or it is set between process duct 22 and muffler 11.Specifically, in the present embodiment, the check valve 6 is set to process duct
22 and first between communicating pipe 51.The check valve 6 only allows refrigerant to flow to process duct 22 from muffler 11, does not allow to freeze
Agent is back in muffler 11 from process duct 22, appearance the case where to prevent refrigerant from flowing backwards.
Also, specifically, in the present embodiment, since the mode of communicating of process duct 22 is different, present embodiment
In process duct 22 also at the structure of threeway, specifically, the process duct 22 includes the first nozzle 221, the second nozzle 222 and the
Three nozzles 223, first nozzle 221 are connected with compressor 2, and second nozzle 222 connects with the first of the tee tube 5
Siphunculus 51 connects；The third nozzle 223 is to be vacuumized and filled the nozzle sealed after refrigerant.
In addition, due in present embodiment using more small-sized compressor 2, can suitably increase
The caliber of muffler 11, air intake duct 21.Specifically, according to the difference of the type of compressor 2, leading in existing technical solution
The outer diameter of normal muffler 11 is provided with 6mm, and the internal diameter of the air intake duct 21 is set as 6.2mm, so that air intake duct 21 can be set in
11 outside of muffler；Then in the present embodiment, the outer diameter of the muffler 11 is set as 8mm, and the internal diameter of air intake duct 21 increases
To 8.2mm.
The present invention also provides a kind of control method of refrigerator, the control method includes:
Sense the rotation speed of compressor 2；
Confirm that the revolving speed of compressor 2 is greater than X1；
The check valve 6 is controlled to open；
Confirm that the revolving speed of compressor 2 is less than X2；
The check valve 6 is controlled to close.
That is, then illustrating that refrigeration system needs quickly to cool down at this time when the revolving speed of compressor 2 is larger, therefore open single
To valve 6 so that muffler 11 works, refrigerant from evaporator 1 by 21 two pipelines of muffler 11 and air intake duct quickly into
Enter in compressor 2, so that disposably becoming larger by the amount of the refrigerant of compressor 2, improves refrigerating efficiency.And when compressor 2
When revolving speed is smaller, then illustrates that refrigeration system does not need quickly to cool down at this time, then close check valve 6, reduction disposably passes through
The amount of the refrigerant of compressor 2 reaches energy-efficient effect.
Specifically, in the present embodiment, X1Value be 3000rpm, X2Value be 1800rpm.Rpm is the unit of revolving speed,
Specifically be revolutions per minute, therefore the revolving speed of as compressor 2 be greater than 3000 revolutions per minute when, check valve 6 open, compressor 2 turn
When speed is less than 1800 revolutions per minute, check valve 6 is closed.Particularly, when compressor 2 does not work, i.e., the revolving speed of compressor 2 is 0, institute
It states check valve 6 and is also at closed state certainly.
Refrigerator is in refrigeration, and the revolving speed of the compressor 2 is usually in 1200rpm between 4500rpm, therefore, compressor 2
Revolving speed in 3000rpm or more, it may occur that the case where lack of refrigerant, so that check valve 6 is opened, so that air intake duct 21 and work
Skill pipe 22 while air-breathing, make up the refrigerating capacity in compressor 2；Alternatively, the revolving speed of compressor 2 is then closed in 1800rpm or less
Check valve 6.
In addition, the present invention also provides a kind of manufacturing methods of refrigerator as described above, specifically, the manufacturing method
Include:
It is connected to the second nozzle 222 of process duct 22 and the first communicating pipe 51 of tee tube 5；
It is connected to the first nozzle 221 and compressor 2 of process duct 22；
It is connected to the second communicating pipe 52 and the air intake duct 21 of tee tube 5；
It is connected to the third connecting pipe 53 and muffler 11 of tee tube 5；
It is connected to muffler 11 and evaporator 1；
It is evacuated outward to form vacuum in refrigeration systems from third nozzle 223；
Refrigerant is paid close attention into refrigeration system from third nozzle 223；
Seal third nozzle 223.
In the manufacturing method of above-mentioned refrigerator, first by process duct 22, muffler 11, air intake duct 21 and tee tube 5 and compressor 2
And evaporator 1 is connected, then from the third nozzle 223 of process duct 22 to vacuumizing in refrigeration system, then from process duct 22
Third nozzle 223 refrigerant is perfused into refrigerant, finally seal third nozzle 223 again.On the whole, first by refrigeration system
Pipeline loop connection after, then vacuumized the perfusion with refrigerant, finally third nozzle 223 be sealed again.
Therefore, the commutative step of the step of pipeline loop of above-mentioned connection refrigeration system is not limited to carry out according to above-mentioned step
Connection.
In addition, the refrigerator further includes having check valve 6, and the check valve 6 includes an inlet and an outlet as described above,
Refrigerant can only be flowed to by entrance and be exported.Above-mentioned steps " connection process duct 22 the second nozzle 222 and tee tube 5 first
Communicating pipe 51 " specifically includes:
It is connected to the outlet of the second nozzle 222 and check valve 6 of process duct 22；
It is connected to the entrance of the first communicating pipe 51 and check valve 6 of tee tube 5.
To check valve 6 is connected between process duct 22 and muffler 11, to play retention or through-flow effect.
In conclusion the present invention is comprehensively described by a kind of refrigerator and its control method and manufacturing method using work
Skill pipe 22 carries out the structure and method of supplement refrigerant in refrigerator.Also, it is connected to by setting process duct 22 in 1 He of evaporator
Between compressor 2, refrigerant is supplemented the compressor 2 that can be at work, and process duct 22 and air intake duct 21 work at the same time, and is made
The refrigerant that compressor 2 must be flowed through simultaneously becomes more, so that refrigerating efficiency improves.
Although not each embodiment only includes one only it should be appreciated that this specification is described according to embodiment
Vertical technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should be by specification
As a whole, the technical solutions in the various embodiments may also be suitably combined, formed it will be appreciated by those skilled in the art that
Other embodiments.
The series of detailed descriptions listed above are illustrated only for possible embodiments of the invention,
The protection scope being not intended to limit the invention, it is all without departing from equivalent embodiment made by technical spirit of the present invention or change should all
It is included within protection scope of the present invention.
Claims (9)
- It include refrigeration system in the refrigerator 1. a kind of refrigerator, the refrigeration system includes being interconnected with forming circuit Evaporator, compressor, condenser and capillary, which is characterized in that the refrigeration system further includes extending from compressor one end Air intake duct, the air intake duct are connected with the evaporator；The refrigeration system further includes having process duct, and the process duct also connects It passes through between the evaporator and compressor.
- 2. refrigerator according to claim 1, which is characterized in that the refrigeration system further includes the return-air for being connected to evaporator Pipe, the muffler are connected with the air intake duct and process duct.
- 3. refrigerator according to claim 2, which is characterized in that the refrigeration system further includes tee tube, the air intake duct, Muffler, process duct are connected on tee tube.
- 4. refrigerator according to claim 3, which is characterized in that the refrigeration system further includes check valve, the check valve It is set in the process duct or is set between the process duct and muffler, the check valve only allows refrigerant from return-air Pipe flows to process duct.
- 5. refrigerator according to claim 4, which is characterized in that the outer diameter of the muffler be 8mm, the air intake duct it is interior Diameter is 8.2mm.
- 6. a kind of control method of the refrigerator as described in any one of claim 4 to 5, which is characterized in that the controlling party Method includes:Sense the rotation speed of compressor；Confirm that the revolving speed of compressor is greater than X1；The check valve is controlled to open；Confirm that the revolving speed of compressor is less than X2；Control the closed check valve.
- 7. control method according to claim 6, which is characterized in that the X1For 3000rpm, X2For 1800rpm.
- 8. a kind of manufacturing method of the refrigerator as described in any one of claim 3 to 5, it is characterised in that: the process duct Including the first nozzle, the second nozzle and third nozzle being connected with compressor, the tee tube includes the first communicating pipe, second Communicating pipe and third connecting pipe；The manufacturing method includes:It is connected to the second nozzle of process duct and the first communicating pipe of tee tube；It is connected to the first nozzle and compressor of process duct；It is connected to the second communicating pipe and the air intake duct of tee tube；It is connected to the third connecting pipe and muffler of tee tube；It is connected to muffler and evaporator；It is evacuated outward from third nozzle to form vacuum in refrigeration systems；Refrigerant is perfused into refrigeration system from third nozzle；Seal third nozzle.
- 9. the manufacturing method of refrigerator according to claim 8, it is characterised in that: the refrigerator further includes check valve, described Check valve includes an inlet and an outlet；" the second nozzle of connection process duct and first communicating pipe of tee tube " includes:It is connected to the outlet of the second nozzle and check valve of process duct；It is connected to the first communicating pipe of tee tube and the entrance of check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508705.9A CN109764567A (en) | 2018-12-11 | 2018-12-11 | Refrigerator and its control method and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508705.9A CN109764567A (en) | 2018-12-11 | 2018-12-11 | Refrigerator and its control method and manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN109764567A true CN109764567A (en) | 2019-05-17 |
Family
ID=66451261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811508705.9A Pending CN109764567A (en) | 2018-12-11 | 2018-12-11 | Refrigerator and its control method and manufacturing method |
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| JP2007127353A (en) * | 2005-11-04 | 2007-05-24 | Hitachi Ltd | Air-conditioner |
| JP2008261563A (en) * | 2007-04-12 | 2008-10-30 | Mitsubishi Electric Corp | Refrigerant circuit |
| CN201697400U (en) * | 2010-06-18 | 2011-01-05 | 广东志高空调有限公司 | Pipeline structure of air suction pipes of compressor of outdoor unit of domestic air conditioner |
| CN102927727A (en) * | 2012-11-26 | 2013-02-13 | 海信（山东）空调有限公司 | Fluoridizing device of air conditioner as well as air conditioner |
| CN103375840A (en) * | 2012-04-13 | 2013-10-30 | 珠海格力电器股份有限公司 | Air conditioner system and defrosting method thereof |
| CN105627615A (en) * | 2016-03-03 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner system and control method thereof |
| CN106500391A (en) * | 2016-10-18 | 2017-03-15 | 青岛海信日立空调系统有限公司 | A kind of recuperated cycle system and its control method and air-conditioning |
| CN207365542U (en) * | 2017-10-27 | 2018-05-15 | 安徽美芝制冷设备有限公司 | The refrigeration system of refrigerator |
-
2018
- 2018-12-11 CN CN201811508705.9A patent/CN109764567A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007127353A (en) * | 2005-11-04 | 2007-05-24 | Hitachi Ltd | Air-conditioner |
| JP2008261563A (en) * | 2007-04-12 | 2008-10-30 | Mitsubishi Electric Corp | Refrigerant circuit |
| CN201697400U (en) * | 2010-06-18 | 2011-01-05 | 广东志高空调有限公司 | Pipeline structure of air suction pipes of compressor of outdoor unit of domestic air conditioner |
| CN103375840A (en) * | 2012-04-13 | 2013-10-30 | 珠海格力电器股份有限公司 | Air conditioner system and defrosting method thereof |
| CN102927727A (en) * | 2012-11-26 | 2013-02-13 | 海信（山东）空调有限公司 | Fluoridizing device of air conditioner as well as air conditioner |
| CN105627615A (en) * | 2016-03-03 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner system and control method thereof |
| CN106500391A (en) * | 2016-10-18 | 2017-03-15 | 青岛海信日立空调系统有限公司 | A kind of recuperated cycle system and its control method and air-conditioning |
| CN207365542U (en) * | 2017-10-27 | 2018-05-15 | 安徽美芝制冷设备有限公司 | The refrigeration system of refrigerator |
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Application publication date: 20190517 |