CN106766299A - The control method of refrigerating plant, the refrigerator with the refrigerating plant and refrigerator - Google Patents
The control method of refrigerating plant, the refrigerator with the refrigerating plant and refrigerator Download PDFInfo
- Publication number
- CN106766299A CN106766299A CN201611247843.7A CN201611247843A CN106766299A CN 106766299 A CN106766299 A CN 106766299A CN 201611247843 A CN201611247843 A CN 201611247843A CN 106766299 A CN106766299 A CN 106766299A
- Authority
- CN
- China
- Prior art keywords
- refrigerator
- reservoir
- refrigerating plant
- control device
- switch
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- 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
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- 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
- F25B2600/01—Timing
-
- 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
- F25B2600/05—Refrigerant levels
-
- 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
-
- 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
- F25B2700/2104—Temperatures of an indoor room or compartment
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/02—Timing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides the control method of a kind of refrigerating plant, the refrigerator with the refrigerating plant and refrigerator, the refrigerating plant includes refrigeration system, the refrigeration system includes the compressor, condenser, capillary and the evaporator that are connected by refrigerator pipes, circulation has refrigerant in the refrigerator pipes, the refrigerator pipes include being used to connect the muffler of compressor and evaporator, it is characterised in that：The refrigerating plant also includes liquid-storage system, and the liquid-storage system includes the reservoir in parallel with the refrigeration system, refrigerant is stored in the reservoir, and the output end of the reservoir is connected with muffler, and the input refrigeration system of the reservoir is connected.Refrigerating plant of the invention and refrigerator, thus it is possible to vary the amount of refrigeration system inner refrigerant, so as to improve the operating efficiency of refrigerator, reducing energy consumption.The control method of refrigerator of the invention, by comparing environment temperature and suction temperature, realizes the control of more accurate refrigerant.
Description
Technical field
The present invention relates to the control method of a kind of refrigerating plant, the refrigerator with the refrigerating plant and refrigerator.
Background technology
The groundwater increment of refrigerator refrigerant has a great impact to refrigerator performance.Refrigerant perfused amount is excessive, the refrigeration of refrigerator
System easily produces liquid hammer, at the same can cause compressor load is excessive, energy consumption increases；Refrigerant perfused amount is very few, compressor
Suction and discharge temperature easily raise, so as to cause system condensing pressure, condensation temperature raise, make cooling system amount decline, power consumption
Increase.
The refrigerant perfused amount of current refrigerator is all the steady state value determined by the groundwater increment at 25 DEG C or 32 DEG C.So
And when ring temperature is changed greatly, the constant refrigeration system of such refrigerant perfused amount is difficult to be maintained at optimal operational condition.
In view of this, it is necessary to which the control method to existing refrigerating plant, refrigerator and refrigerator is improved, with solution
State problem.
The content of the invention
It is an object of the invention to provide the control method of a kind of refrigerating plant, refrigerator and refrigerator, to solve current refrigerator
The constant refrigerator for causing of refrigerant perfused amount is difficult to keep the problem of optimal operational condition.
To achieve the above object, the invention provides a kind of refrigerating plant, the refrigerating plant includes refrigeration system, described
Refrigeration system includes the compressor, condenser, capillary and the evaporator that are connected by refrigerator pipes, and circulation has system in the refrigerator pipes
Cryogen, the refrigerator pipes include being used to connect the muffler of compressor and evaporator, and the refrigerating plant also includes liquid-storage system,
The liquid-storage system includes the reservoir in parallel with the refrigeration system, and refrigerant, the liquid storage are stored in the reservoir
The output end of device is connected with muffler, and the input refrigeration system of the reservoir is connected.
As a further improvement on the present invention, the liquid-storage system also includes be connected with the output end of the reservoir the
One switch and the second switch being connected with the input of the reservoir.
As a further improvement on the present invention, the refrigerator pipes include being used to connect the blast pipe of compressor and condenser,
The input of the reservoir is connected with blast pipe.
As a further improvement on the present invention, pressure is less than in blast pipe more than return-air overpressure in the reservoir
Pressure.
The present invention also provides a kind of refrigerator, and the refrigerator includes above-mentioned refrigerating plant, and the refrigerator also includes that control is filled
Put and be used to detect the first sensor of the environment temperature, the control device and the first sensor, first switch and
Second switch is electrically connected with.
As a further improvement on the present invention, the refrigerator also includes being arranged on the muffler being used to detect return air temperature
The second sensor of degree, the second sensor is electrically connected with the control device.
The present invention also provides a kind of control method of refrigerator, and the control method of the refrigerator comprises the following steps：
S1：Above-mentioned refrigerator is provided, the control device sets a default running time T1；
S2：The refrigerator runs T1After time, the first sensor detection environment temperature t1And feed back to control device；
S3：The control device is according to environment temperature t1Control the work of the first switch or second switch.
As a further improvement on the present invention, the step S2 also includes：The refrigerator runs T1After time, described second
Sensor detection suction temperature t2And feed back to control device；
The step S3 also includes：The control device is according to comparing environment temperature t1With suction temperature t2Described first is controlled to open
Pass or the work of second switch.
As a further improvement on the present invention, the control device sets a differential temperature t and default opening time T2, institute
Step S3 is stated to specifically include：
When the control device judges t1- t2Value when being more than differential temperature t, control the first switch to open T2Closed after time
Close；
When the control device judges t2- t1Value when being more than differential temperature t, control the second switch to open T2Closed after time
Close.
As a further improvement on the present invention, the differential temperature t is 5 DEG C.
The beneficial effects of the invention are as follows：The control method of refrigerating plant of the invention, refrigerator and refrigerator, be by refrigeration
A liquid-storage system in parallel on system, so as to realize the control of the amount to refrigeration system inner refrigerant；It is connected in parallel on by by liquid-storage system
The both sides of compressor and the pressure in the reservoir is arranged between the pressure of muffler and the pressure of blast pipe, from
And utilize the pressure differential of muffler and blast pipe, you can the automatic flowing of refrigerant is realized, the cost of refrigerator is reduced；It is of the invention
The control method of refrigerator, controls the amount of refrigeration system inner refrigerant by comparing suction temperature and environment temperature, precise control,
Energy-saving and emission-reduction, refrigeration system will not produce liquid hit phenomenon.
Brief description of the drawings
Fig. 1 is the structural representation of refrigerating plant of the present invention, and wherein the direction of arrow is the flow direction of refrigerant；
Fig. 2 is the flow chart of the control method of refrigerator of the present invention.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with the accompanying drawings with specific embodiment pair
The present invention is described in detail.
As shown in Figure 1 to Figure 2, refrigerator of the invention includes refrigeration compartment, is used to the refrigeration of refrigeration compartment refrigeration
Device 100, it is used to control control device and be used to detect the first sensor of environment temperature that the refrigerating plant 100 works.
The refrigerating plant 100 includes refrigeration system 1 and liquid-storage system 2.
In the present embodiment, the refrigeration system 1 includes the compressor 11, the condenser 12, capillary that are connected by refrigerator pipes 15
Circulation has refrigerant in pipe 13 and evaporator 14, the refrigerator pipes 15.
The refrigerator pipes 15 include being used to connect the muffler 151 of compressor 11 and evaporator 14 and are used to connect compressor
11 and the blast pipe 152 of condenser 12.
The refrigerating plant 100 also includes liquid-storage system 2, and the liquid-storage system 2 includes in parallel with the refrigeration system 1
Refrigerant is stored in reservoir 21, the reservoir 21.The output end of the reservoir 21 is connected with muffler 151, described
The input refrigeration system 1 of reservoir 21 is connected.
When needing to increase the refrigerant in refrigeration system 1, you can control refrigerant flows into refrigeration system by reservoir 21
1, when needing to reduce the refrigerant in refrigeration system 1, you can control refrigerant flows into reservoir 21 by refrigeration system 1.
The liquid-storage system 2 also include the first switch 22 that is connected with the output end of the reservoir 21 and with the liquid storage
The connected second switch 23 of the input of device 21.The first switch 22 and second switch 23 are used to control refrigerant in the storage
Flowing between liquid device 21 and refrigeration system 1.
Because being connected with compressor 11 between blast pipe 152 and muffler 151, therefore the pressure in the blast pipe 152 is more than
Pressure in muffler 151.In the present embodiment, the input of the reservoir 21 is connected with blast pipe 152, and causes the storage
Pressure is less than pressure in blast pipe 152 more than pressure in muffler 151 in liquid device 21.In this way, when first switch 22 is opened,
In the presence of reservoir 21 and the pressure differential of muffler 151, refrigerant can be flowed into muffler 151 by reservoir 21 automatically
It is interior；When second switch 23 is opened, in the presence of blast pipe 152 and the pressure differential of reservoir 21, refrigerant can be automatic by arranging
Tracheae 152 is flowed into reservoir 21.Can realize the automatic flowing of refrigerant by pressure differential, therefore the refrigerator structure of the present embodiment
Simply, it is with low cost.
In other embodiments, can also by difference in height is set so that refrigerant refrigeration system 1 and liquid-storage system 2 it
Between flow.
In other embodiments, refrigeration system 1 may also include be connected to it is dried between condenser 12 and capillary 13
Filter 17, the input second of the reservoir 21 is preferably connected between capillary 13 and device for drying and filtering 17.
In the present embodiment, the refrigerator also includes being arranged on being used to detect the second of suction temperature on the muffler 151
Sensor, the control device electrically connects with the first switch 22, second switch 23, first sensor and second sensor
Connect.Refrigerator of the invention, by comparing suction temperature and environment temperature to control the work of first switch 22 and second switch 23,
So as to change the number of the inner refrigerant of refrigeration system 1.
The control method of refrigerator of the invention comprises the following steps：
S1：Above-mentioned refrigerator is provided, the control device sets a default running time T1；
S2：The refrigerator runs T1After time, the first sensor detection environment temperature t1And feed back to control device；
S3：The control device is according to environment temperature t1Control the work of the first switch 22 or second switch 23.
Can be by the pre-set programs in refrigerator, the amount of the different refrigerant of different environment temperature correspondences, so as to described
When control device receives ambient temperature signal, corresponding first switch 22 or second switch 23 is controlled to open and flow out a certain amount of
Refrigerant, to cause that amount and the environment temperature of the refrigerant in refrigeration system 1 are adapted.
By comparing suction temperature and environment temperature in the present embodiment, so as to determine a need for increasing or decreasing refrigeration system
The amount of the refrigerant in system 1.The control device sets a differential temperature t and default opening time T2, the step S2 also wraps
Include：The refrigerator runs T1After time, the second sensor detection suction temperature t2And feed back to control device；
The step S3 also includes：The control device is according to comparing environment temperature t1With suction temperature t2Described first is controlled to open
Close the work of 22 or second switch 23.The step S3 is further included：When the control device judges t1- t2Value more than poor
During value temperature t, the first switch 22 is controlled to open T2Closed after time, then return to step S2；When the control device is sentenced
Disconnected t2- t1Value when being more than differential temperature t, control the second switch 23 to open T2Closed after time, then return to step S2；
As the control device t2Between t1- t and t1Between+t, then return to step S2.
In the present embodiment, the t is that 5 DEG C, i.e. environment temperature when floating in the range of 5 DEG C up and down, are not required in suction temperature
Change the number of the inner refrigerant of refrigeration system 1, and after more than 5 DEG C, change by opening first switch 22 or second switch 23
And change the amount of the inner refrigerant of refrigeration system 1.
The control method of refrigerating plant of the invention 100, refrigerator and refrigerator, by a liquid storage in parallel in refrigeration system 1
System 2, so as to realize the control of the amount to the inner refrigerant of refrigeration system 1；The two of compressor 11 are connected in parallel on by by liquid-storage system 2
Side and the pressure in the reservoir 21 is arranged between the pressure of muffler 151 and the pressure of blast pipe 152, so that
Using muffler 151 and the pressure differential of blast pipe 152, you can realize the automatic flowing of refrigerant, the cost of refrigerator is reduced；This hair
The control method of bright refrigerator, the amount of refrigeration system inner refrigerant, control are controlled by comparing suction temperature and environment temperature
Accurately, energy-saving and emission-reduction, refrigeration system 1 will not produce liquid hit phenomenon.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that, technical scheme can be modified
Or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of refrigerating plant, the refrigerating plant includes refrigeration system, and the refrigeration system is included by refrigerator pipes connection
Circulation has refrigerant in compressor, condenser, capillary and evaporator, the refrigerator pipes, and the refrigerator pipes include being used to connect
The muffler of compressor and evaporator, it is characterised in that：The refrigerating plant also includes liquid-storage system, and the liquid-storage system includes
The reservoir in parallel with the refrigeration system, stores refrigerant, the output end and return-air of the reservoir in the reservoir
Pipe is connected, and the input refrigeration system of the reservoir is connected.
2. refrigerating plant according to claim 1, it is characterised in that：The liquid-storage system also includes and the reservoir
The connected first switch of output end and the second switch being connected with the input of the reservoir.
3. refrigerating plant according to claim 2, it is characterised in that：The refrigerator pipes include being used to connect compressor and cold
The blast pipe of condenser, the input of the reservoir is connected with blast pipe.
4. refrigerating plant according to claim 3, it is characterised in that：Pressure is more than return-air overpressure in the reservoir
And it is less than exhaust overpressure.
5. a kind of refrigerator, it is characterised in that：The refrigerator includes the refrigerating plant as described in claim 2-4 any one, institute
Stating refrigerator also includes control device and is used to detect the first sensor of the environment temperature, the control device and described first
Sensor, first switch and second switch are electrically connected with.
6. refrigerator according to claim 5, it is characterised in that：The refrigerator also includes being arranged on the muffler being used to
The second sensor of suction temperature is detected, the second sensor is electrically connected with the control device.
7. a kind of control method of refrigerator, it is characterised in that the control method of the refrigerator comprises the following steps：
S1：Refrigerator as claimed in claim 6 is provided, the control device sets a default running time T1；
S2：The refrigerator runs T1After time, the first sensor detection environment temperature t1And feed back to control device；
S3：The control device is according to environment temperature t1Control the work of the first switch or second switch.
8. the control method of refrigerator according to claim 7, it is characterised in that：The step S2 also includes：The refrigerator
Operation T1After time, the second sensor detection suction temperature t2And feed back to control device；
The step S3 also includes：The control device is according to comparing environment temperature t1With suction temperature t2Described first is controlled to open
Pass or the work of second switch.
9. the control method of refrigerator according to claim 8, it is characterised in that：The control device sets a differential temperature
T and default opening time T2, the step S3 specifically includes：
When the control device judges t1- t2Value when being more than differential temperature t, control the first switch to open T2Closed after time
Close；
When the control device judges t2- t1Value when being more than differential temperature t, control the second switch to open T2Closed after time
Close.
10. the control method of refrigerator according to claim 9, it is characterised in that：The differential temperature t is 5 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247843.7A CN106766299A (en) | 2016-12-29 | 2016-12-29 | The control method of refrigerating plant, the refrigerator with the refrigerating plant and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247843.7A CN106766299A (en) | 2016-12-29 | 2016-12-29 | The control method of refrigerating plant, the refrigerator with the refrigerating plant and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106766299A true CN106766299A (en) | 2017-05-31 |
Family
ID=58929393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611247843.7A Pending CN106766299A (en) | 2016-12-29 | 2016-12-29 | The control method of refrigerating plant, the refrigerator with the refrigerating plant and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106766299A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168148A (en) * | 2018-02-09 | 2018-06-15 | 江苏双源新能源科技有限公司 | A kind of air energy thermal pumping system with refrigerant dynamic self-adapting regulation device |
| CN109489195A (en) * | 2018-10-24 | 2019-03-19 | 武汉海尔电器股份有限公司 | Control method and air conditioner for air conditioner |
| CN111336710A (en) * | 2020-02-26 | 2020-06-26 | 西安交通大学 | CO (carbon monoxide)2Refrigerant charge control system and method for optimal cycle performance |
| CN112033039A (en) * | 2020-09-07 | 2020-12-04 | 珠海格力电器股份有限公司 | Heat exchanger self-cleaning method and heat pump unit |
| CN114234516A (en) * | 2021-12-15 | 2022-03-25 | 海信（山东）冰箱有限公司 | Refrigerator and refrigerant flow control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168148A (en) * | 2018-02-09 | 2018-06-15 | 江苏双源新能源科技有限公司 | A kind of air energy thermal pumping system with refrigerant dynamic self-adapting regulation device |
| CN109489195A (en) * | 2018-10-24 | 2019-03-19 | 武汉海尔电器股份有限公司 | Control method and air conditioner for air conditioner |
| CN111336710A (en) * | 2020-02-26 | 2020-06-26 | 西安交通大学 | CO (carbon monoxide)2Refrigerant charge control system and method for optimal cycle performance |
| CN112033039A (en) * | 2020-09-07 | 2020-12-04 | 珠海格力电器股份有限公司 | Heat exchanger self-cleaning method and heat pump unit |
| CN114234516A (en) * | 2021-12-15 | 2022-03-25 | 海信（山东）冰箱有限公司 | Refrigerator and refrigerant flow control method |
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Application publication date: 20170531 |
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