CN116642302B - Energy-saving refrigeration cycle system based on dry filter - Google Patents
Energy-saving refrigeration cycle system based on dry filter Download PDFInfo
- Publication number
- CN116642302B CN116642302B CN202310806564.3A CN202310806564A CN116642302B CN 116642302 B CN116642302 B CN 116642302B CN 202310806564 A CN202310806564 A CN 202310806564A CN 116642302 B CN116642302 B CN 116642302B
- Authority
- CN
- China
- Prior art keywords
- preset
- central control
- control unit
- mode
- temperature
- 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.)
- Active
Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 114
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 239000003507 refrigerant Substances 0.000 claims description 83
- 238000001179 sorption measurement Methods 0.000 claims description 59
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 239000002808 molecular sieve Substances 0.000 claims description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000009529 body temperature measurement Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
- F25D2600/06—Controlling according to a predetermined profile
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to the technical field of household appliances, in particular to an energy-saving refrigeration cycle system based on a drying filter, which comprises the following components: the detection unit comprises a plurality of detection points; a refrigeration unit including a compressor and a dry filter; the central control unit is respectively connected with the detection unit and corresponding parts in the refrigeration unit and is used for judging whether the operation of the refrigeration unit meets the preset standard according to the data measured by the detection unit and determining the reason for not meeting the preset standard when the operation of the refrigeration unit does not meet the preset standard. Compared with the prior art, the utility model has the beneficial effects that the temperature condition in the refrigerator can be monitored in real time through a plurality of detection points arranged in the refrigerator, and the central control unit judges whether the operation of the refrigeration unit accords with the standard according to the monitoring result; when the preset standard is not met, the reasons are analyzed, so that the problem that the refrigeration can not reach the preset standard is rapidly solved according to different reasons, and the refrigeration efficiency of the refrigerator is improved.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to an energy-saving refrigeration cycle system based on a drying filter.
Background
Chinese patent publication No.: 201720103893.1A refrigerator temperature measuring system and refrigerator, the refrigerator includes freezing chamber, first refrigerating chamber, second refrigerating chamber, main control board, refrigerating system and refrigerator temperature measuring system. The refrigerator temperature measurement system comprises a freezing temperature measurement resistor, a refrigeration temperature measurement resistor, a data conversion chip, an MCU main control chip, a temperature regulation unit, a data transmission unit and an alarm unit, wherein the freezing temperature measurement resistor is arranged in a freezing chamber, and the refrigeration temperature measurement resistor is arranged in a refrigerating chamber. It can be seen that the refrigerator temperature measurement system and the refrigerator have the following problems: the temperature cannot be monitored in real time and analyzed to determine the reason of abnormal refrigeration, so that the components cannot be replaced timely and accurately, and the refrigeration efficiency is low.
Disclosure of Invention
Therefore, the utility model provides an energy-saving refrigeration cycle system based on a drying filter, which is used for solving the problems that the temperature cannot be monitored in real time and analyzed to determine the reason of abnormal refrigeration in the prior art, so that components cannot be replaced timely and accurately, and the refrigeration efficiency is low.
In order to achieve the above object, the present utility model provides an energy-saving refrigeration cycle system based on a dry filter, comprising:
the detection unit comprises a plurality of detection points arranged in the refrigerator and is used for detecting the temperature in the refrigerator;
a refrigerating unit including a compressor to transport and compress a refrigerant and a dry filter to adsorb moisture in the refrigerant;
the central control unit is respectively connected with the detection unit and corresponding parts in the refrigerating unit, and is used for judging whether the operation of the refrigerating unit meets the preset standard according to the data measured by the detection unit, determining the reason why the operation of the refrigerating unit does not meet the preset standard when the operation of the refrigerating unit is judged to be not met by the preset standard, adjusting the flow rate of the refrigerant in the refrigerating unit to a corresponding value or sending out a filter unit replacement alarm when the reason is determined, and determining the corresponding parameters in the refrigerating unit to be replaced according to the accumulated use time of the filter unit when the filter unit is judged to be replaced;
the central control unit determines a judging mode for whether the operation of the refrigerating unit meets a preset standard or not according to the temperature in the refrigerator measured by the detection unit under a first preset condition, wherein:
the first judging mode is that the central control unit judges that the operation of the refrigerating unit meets the preset standard and continuously detects the temperature in the refrigerator; the first judging mode meets the condition that the temperature is smaller than a first-level preset temperature preset in the central control unit;
the second judging mode is that the central control unit judges that the temperature does not meet a preset standard, and determines a specific reason that the operation of the refrigeration unit cannot reach the preset standard according to the difference value between the temperature and the primary preset temperature; the first judgment mode meets the condition that the temperature is larger than or equal to the primary preset temperature and smaller than or equal to the secondary preset temperature preset in the central control unit, and the secondary preset temperature is larger than the primary preset temperature;
the third judging mode is that the central control unit judges that the operation of the refrigerating unit does not meet the preset standard and the reason that the refrigerating unit does not meet the preset standard is that the dry filter fails, and the central control unit sends out a dry filter replacement notification; the third judging mode meets the condition that the temperature is larger than the second-level preset temperature;
the first preset condition is the preset operation time of the refrigerating unit;
the central control unit records the difference value between the temperature and the primary preset temperature as a refrigeration difference value in the second judging mode, and determines a reason judging mode aiming at the operation of the refrigeration unit not meeting the preset standard according to the refrigeration difference value, wherein:
the first reason judging mode is that the central control unit judges that the reason that the temperature does not accord with the preset standard is that the flow rate of the refrigerant is lower than the preset standard, and the central control unit adjusts the operation power of the compressor to a corresponding value according to a preset refrigeration difference value and a difference value of the refrigeration difference value; the first cause determining mode meets the condition that the refrigeration difference value is smaller than or equal to a preset refrigeration difference value preset in the central control unit;
the second reason judging mode is that the reason that the temperature is judged to be not in accordance with a preset standard by the central control unit is that the purity of the refrigerant is not qualified, the flow rate of the refrigerant is reduced to a corresponding value, the flow rate of the refrigerant is regulated back after the preset operation time is maintained, the detection unit is controlled to re-detect the temperature in the refrigerator, and the central control unit judges whether the operation of the refrigeration unit is in accordance with the standard or not according to the re-detected temperature; the second cause judgment mode satisfies that the refrigeration difference value is larger than the preset refrigeration difference value.
Further, the central control unit records the difference between the preset refrigeration difference and the refrigeration difference as a power adjustment difference in the first cause judgment mode, and determines an adjustment mode for the power of the compressor according to the power adjustment difference, wherein:
the first power adjustment mode is that the central control unit adjusts the power of the compressor to first power by using a first power adjustment coefficient; the first power adjustment mode meets the condition that the power adjustment difference value is smaller than a first preset power adjustment difference value preset in the central control unit;
the second power adjustment mode is that the central control unit adjusts the power of the compressor to second power by using a second power adjustment coefficient; the second power adjustment mode meets the requirements that the power adjustment difference value is larger than or equal to the first preset power adjustment difference value and smaller than or equal to a second preset power adjustment difference value preset in the central control unit, and the second preset power adjustment difference value is larger than the first preset power adjustment difference value;
the third power adjusting mode is that the central control unit adjusts the power of the compressor to third power by using a third power adjusting coefficient; the third power adjustment mode meets the condition that the power adjustment difference value is smaller than a second preset power adjustment difference value preset in the central control unit.
Further, when the central control unit determines that the compressor power needs to be adjusted to the corresponding value, if the adjusted compressor power reaches the critical value and the temperature still does not meet the preset standard, the central control unit sends a notification of replacing the drying filter.
Further, in the second cause determination mode, the central control unit reduces the flow rate of the refrigerant to a corresponding value, restores the flow rate after running for a preset period of time, re-detects the temperature to determine whether the purity of the refrigerant is qualified or not, marks the difference between the refrigeration difference and the preset refrigeration difference as an adjustment difference, and determines the adjustment mode for the flow rate of the refrigerant according to the adjustment difference, wherein:
the first flow rate adjustment mode is that the judging unit uses a first adjustment coefficient to reduce the flow rate of the refrigerant to a corresponding value; the first flow speed regulation mode meets the condition that the regulation difference value is smaller than a first-level preset regulation difference value preset in the judging unit;
the judging unit reduces the flow rate of the refrigerant to a corresponding value by using a second regulating coefficient in a second flow regulating mode; the second flow speed regulation mode meets the condition that the regulation difference value is larger than or equal to the first-stage preset regulation difference value and smaller than or equal to a second-stage preset regulation difference value preset in the judging unit, and the second-stage preset regulation difference value is larger than the first-stage preset regulation difference value;
the third flow speed adjusting mode is that the judging unit uses a third adjusting coefficient to reduce the flow speed of the refrigerant to a corresponding value; the third speed regulation mode satisfies that the regulation difference is larger than a second-level preset regulation difference preset in the judging unit.
Further, the central control unit reduces the flow rate of the refrigerant to a corresponding value in the second cause determination mode, and then operates for a preset period of time to re-detect the temperature, and determines whether the operation of the refrigeration unit meets a secondary determination mode of a preset standard according to the temperature, wherein:
the first secondary judgment mode is that the central control unit judges that the purity of the refrigerant is qualified and continues to detect; the first secondary judgment mode is used for enabling the refrigeration difference value to be smaller than or equal to the preset refrigeration difference value after the flow rate of the refrigerant and the preset duration of the central control unit are reduced to corresponding values;
the second secondary judgment mode is that the central control unit judges that the purity of the refrigerant is unqualified and sends out a replacement notification; the second secondary judgment mode is used for enabling the refrigeration difference value to be larger than the preset refrigeration difference value after the flow rate of the refrigerant and the preset duration of the central control unit are reduced to corresponding values.
Further, the central control unit records the ratio of the molecular sieve mass to the initial weight after failure as the moisture adsorption rate in the third determination mode, and the central control unit determines the determination mode for the model of the dry filter replacement according to the moisture adsorption rate and the use time length of the molecular sieve, wherein:
the first determining mode is that the central control unit determines that the model of the failed dry filter cannot meet the normal operation of the refrigerator, and determines the maximum adsorption quantity of the dry filter to be used according to the product of the correction coefficient and the adsorption quantity of the failed dry filter; the first determination mode satisfies that the moisture adsorption rate is smaller than a standard moisture adsorption rate of the dry filter or the use time length is smaller than a standard use time length;
the second determining mode is that the central control unit determines that the model of the ineffective dry filter can meet the normal operation of the refrigerator, and the dry filter with the same model is replaced; the second determination mode meets the conditions that the moisture adsorption rate is greater than or equal to the standard moisture adsorption rate of the dry filter and the using time is longer than the standard using time.
Further, the central control unit calculates the pre-adsorption rate R of the dry filter to be installed under a third preset condition, and setsWherein S is the actual weight of the dry filter before being installed, and G is the regulated weight of the dry filter;
and the third preset condition is that the central control unit judges that the dry filter needs to be replaced.
Further, the central control unit determines a preset adjustment mode for the primary preset temperature and the secondary preset temperature according to the pre-adsorption rate of the dry filter to be installed under the third preset condition, wherein:
the first preset adjusting mode is that the central control unit adjusts the first-stage preset temperature and the second-stage preset temperature into a first-stage preset temperature and a first second-stage preset temperature by using a first preset standard adjusting coefficient; the first preset adjusting mode meets the condition that the preset adsorption rate is smaller than the first-level preset adsorption rate preset in the central control unit;
the second preset adjusting mode is that the central control unit adjusts the first preset temperature and the second preset temperature into a second first preset temperature and a second preset temperature by using a second preset standard adjusting coefficient; the first preset adjusting mode meets the condition that the preset adsorption rate is larger than or equal to the first-stage preset adsorption rate and smaller than or equal to the second-stage preset adsorption rate preset in the central control unit, and the second-stage preset adsorption rate is larger than the first-stage preset adsorption rate;
the third preset adjusting mode is that the central control unit adjusts the first-stage preset temperature and the second-stage preset temperature into a third-stage preset temperature and a third-stage preset temperature by using a third preset standard adjusting coefficient; the third preset adjusting mode meets the condition that the preset adsorption rate is larger than the second-level preset adsorption rate preset in the central control unit.
Compared with the prior art, the utility model has the beneficial effects that the temperature condition in the refrigerator can be monitored in real time through a plurality of detection points arranged in the refrigerator, and the central control unit judges whether the operation of the refrigeration unit accords with the standard according to the monitoring result; when the operation of the refrigeration unit does not meet the preset standard, the reasons which do not meet the standard are analyzed, so that the flow rate of the refrigerant is correspondingly regulated according to different reasons, the dry filter is replaced, or the refrigerant is replaced, the operation conditions of different refrigeration units are rapidly analyzed, the judging time of the refrigeration problem is shortened, and the refrigeration efficiency of the refrigerator is improved.
Further, the temperature is compared with the preset temperature to determine whether the operation of the refrigeration unit meets the standard or not, so that corresponding adjustment is performed or a notification of replacing the dry filter is sent out according to different determination results, and the replacement notification is sent out quickly when the dry filter fails, and the refrigeration efficiency of the refrigerator is improved; or further analyzing the reasons which do not meet the preset standard when the operation of the refrigeration unit does not meet the preset standard, thereby rapidly determining the reasons which do not meet the standard and performing corresponding treatment, rapidly sending out a replacement notification when the dry filter fails, and further improving the refrigeration efficiency of the refrigerator.
Further, the method and the device for determining the specific reasons of the operation of the refrigeration unit, which do not meet the preset standard, determine the judging mode of the specific reasons of the operation of the refrigeration unit, adjust the flow rate of the refrigerant to the corresponding value, or adjust the flow rate of the refrigerant to the corresponding value and then operate for the preset time period, and determine whether the operation of the refrigeration unit meets the preset standard or not according to the monitoring result, thereby rapidly determining the specific reasons of the operation of the refrigeration unit, which do not meet the preset standard, and adjusting the corresponding parameters to the corresponding values according to different reasons, thereby further improving the refrigeration efficiency of the refrigerator.
Further, the utility model determines the adjusting mode aiming at the power of the compressor by calculating the power adjusting difference value, thereby adjusting the power of the compressor rapidly to ensure that the operation of the refrigerating unit of the refrigerator meets the standard, and further improving the refrigerating efficiency of the refrigerator.
Further, after the power of the compressor reaches the limit power, the drying filter is replaced, so that the operation safety of the refrigerating unit is ensured, the energy consumption is reduced, and the refrigerating efficiency of the refrigerator is further improved.
Further, the utility model determines the adjustment mode for the flow rate of the refrigerant by calculating the adjustment difference value, thereby rapidly completing the adjustment of the flow rate of the refrigerant, further judging whether the concentration of the refrigerant meets the standard according to whether the operation of the adjusted refrigeration unit meets the standard, and rapidly replacing the refrigerant after the concentration of the refrigerant does not meet the preset standard, thereby further improving the refrigeration efficiency of the refrigerator.
Further, the utility model judges whether the operation of the refrigeration unit meets the standard or not secondarily, and judges whether the refrigerant needs to be replaced or not rapidly, so that the refrigerant is replaced rapidly when the concentration of the refrigerant does not meet the preset standard, and the refrigeration efficiency of the refrigerator is further improved.
Further, the utility model determines the model of the changed dry filter by calculating the moisture adsorption rate of the failed dry filter, so that the changed dry filter can meet the operation conformity standard of the refrigerating unit of the refrigerator, thereby further improving the refrigerating efficiency of the refrigerator.
Further, the utility model calculates the preset adsorption rate, and determines the regulation mode aiming at the preset standard according to the preset adsorption rate, thereby avoiding the influence of the water carried by the new dry filter on the judging result for judging whether the operation of the refrigerating unit accords with the standard when the new dry filter is replaced, and further improving the judging precision of the central control module; meanwhile, the preset standard is correspondingly adjusted according to different preset adsorption rates, the preset standard is prevented from being adjusted by the same adjusting mode, the judging precision of the central control module is further improved, and therefore the refrigerating efficiency of the refrigerator is further improved.
Drawings
FIG. 1 is a block diagram of an energy-saving refrigeration cycle system based on a dry filter according to the present utility model;
fig. 2 is a schematic structural diagram of a refrigeration unit in the energy-saving refrigeration cycle system based on a dry filter according to the present utility model;
FIG. 3 is a schematic diagram of a judging flow of the central control unit selecting a power adjustment mode for a compressor according to the present utility model;
fig. 4 is a schematic diagram of a judging flow of selecting a corresponding preset adjustment mode by the central control unit according to the present utility model.
Detailed Description
In order that the objects and advantages of the utility model will become more apparent, the utility model will be further described with reference to the following examples; 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 utility model.
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a block diagram of an energy-saving refrigeration cycle system based on a dry filter, the energy-saving refrigeration cycle system based on a dry filter of the present utility model includes:
the detection unit comprises a plurality of detection points arranged in the refrigerator and is used for detecting the temperature in the refrigerator;
a refrigerating unit including a compressor for delivering and compressing a refrigerant, a condenser for condensing the refrigerant, a dry filter for adsorbing moisture in the refrigerant, a capillary tube, and an evaporator for allowing the refrigerant to absorb heat;
the central control unit is respectively connected with the detection unit and corresponding parts in the refrigerating unit and is used for judging whether the operation of the refrigerating unit meets the preset standard according to the data measured by the detection unit, determining the reason why the operation of the refrigerating unit does not meet the preset standard when the operation of the refrigerating unit is judged to be not met by the preset standard, adjusting the flow rate of the refrigerant in the refrigerating unit to a corresponding value or sending out a filter unit replacement alarm when the reason is determined, and determining the corresponding parameters in the refrigerating unit to be replaced according to the accumulated use time of the filter unit when the filter unit is judged to be replaced.
Referring to fig. 2, a schematic diagram of a refrigeration unit in the energy-saving refrigeration cycle system based on a dry filter according to the present utility model is shown, and the refrigeration unit according to the present utility model includes a compressor 1, a condenser 2, a dry filter 3, a capillary tube 4, an evaporator 5 and a detection unit 6. The condenser 2 is disposed at an output end of the compressor 1, and is used for condensing a refrigerant output by the compressor 1, the dry filter 3 is connected with the condenser 2, and is used for filtering impurities in the refrigerant output by the condenser 2, the capillary tube 4 is connected with the dry filter 3, and is used for conveying the refrigerant output by the dry filter 3, the evaporator 5 is connected with the capillary tube 4, and is used for evaporating and absorbing heat of the refrigerant in the evaporator to perform refrigeration treatment on a space in the refrigerator, and the detection unit 6 is used for detecting the temperature of the space in the refrigerator.
When the refrigeration unit is operated, the compressor 1 delivers the refrigerant to the condenser 2, the condenser 2 condenses the refrigerant to be condensed into a liquid state, the condenser 2 delivers the condensed refrigerant to the dry filter 3, the dry filter 3 filters the refrigerant to remove moisture and impurities contained in the refrigerant, the dry filter 3 delivers the filtered refrigerant to the evaporator 5 through the capillary tube 4, the evaporator 5 exchanges heat between the refrigerant and the gas in the refrigerator to evaporate the heat absorbed by the refrigerant, and the evaporator delivers the evaporated gaseous refrigerant to the compressor 1 to enable the compressor to deliver the refrigerant to the condenser to complete the heat exchange cycle of the refrigerant.
With continued reference to fig. 1 and fig. 2, the central control unit determines, under a first preset condition, a determination mode for determining whether the operation of the refrigeration unit meets a preset standard according to the temperature in the refrigerator measured by the detection unit, where:
the first judging mode is that the central control unit judges that the operation of the refrigerating unit meets the preset standard and continuously detects the temperature in the refrigerator; the first judging mode meets the condition that the temperature is less than a first-level preset temperature preset in the central control unit by minus 20 ℃;
the second judging mode is that the central control unit judges that the temperature does not meet a preset standard, and determines a specific reason that the operation of the refrigeration unit cannot reach the preset standard according to the difference value between the temperature and the primary preset temperature; the first judgment mode meets the condition that the temperature is greater than or equal to the primary preset temperature and less than or equal to the secondary preset temperature preset in the central control unit, namely-10 ℃;
the third judging mode is that the central control unit judges that the operation of the refrigerating unit does not meet the preset standard and the reason that the refrigerating unit does not meet the preset standard is that the dry filter fails, and the central control unit sends out a dry filter replacement notification; the third judging mode meets the condition that the temperature is larger than the second-level preset temperature;
the first preset condition is that the refrigerating unit operates for a preset time period of 30 minutes.
Specifically, the central control unit records the difference between the temperature and the first-stage preset temperature as a refrigeration difference value in the second judging mode, and determines a reason judging mode for the operation of the refrigeration unit not meeting a preset standard according to the refrigeration difference value, wherein:
the first reason judging mode is that the central control unit judges that the reason that the temperature does not accord with the preset standard is that the flow rate of the refrigerant is lower than the preset standard, and the central control unit adjusts the operation power of the compressor to a corresponding value according to a preset refrigeration difference value and a difference value of the refrigeration difference value; the first cause determining mode meets the condition that the refrigerating difference value is smaller than or equal to 2.5 ℃ of a preset refrigerating difference value preset in the central control unit;
the second reason judging mode is that the reason that the temperature is judged to be not in accordance with a preset standard by the central control unit is that the purity of the refrigerant is not qualified, the flow rate of the refrigerant is reduced to a corresponding value, the flow rate of the refrigerant is regulated back after the preset operation time is maintained, the detection unit is controlled to re-detect the temperature in the refrigerator, and the central control unit carries out secondary judgment on the operation of the refrigeration unit according to the re-detected temperature; the second cause judgment mode satisfies that the refrigeration difference value is larger than the preset refrigeration difference value.
Fig. 3 is a schematic diagram showing a judging flow of the central control unit selecting a power adjusting mode for the compressor according to the present utility model. The central control unit records the difference value between the preset refrigeration difference value and the refrigeration difference value as a power adjustment difference value in the first cause judgment mode, and determines an adjustment mode for the power of the compressor according to the power adjustment difference value, wherein:
the first power adjustment mode is that the central control unit adjusts the power of the compressor to first power by using a first power adjustment coefficient 1.1; the first power adjustment mode meets the condition that the power adjustment difference value is smaller than a first preset power adjustment difference value preset in the central control unit by 1 ℃;
the second power regulation mode is that the central control unit regulates the power of the compressor to second power by using a second power regulation coefficient 1.2; the second power adjustment mode meets the condition that the power adjustment difference value is larger than or equal to the first preset power adjustment difference value and smaller than or equal to a second preset power adjustment difference value preset in the central control unit by 1.8 ℃;
the third power adjusting mode is that the central control unit adjusts the power of the compressor to third power by using a third power adjusting coefficient of 1.3; the third power adjustment mode meets the condition that the power adjustment difference value is smaller than a second preset power adjustment difference value preset in the central control unit.
Specifically, when the central control unit determines that the compressor power needs to be adjusted to a corresponding value, if the adjusted compressor power reaches a critical value and the temperature does not meet a preset standard, the central control unit sends a notification of replacing the drying filter.
Specifically, the central control unit restores the flow rate after the flow rate of the refrigerant is reduced to the corresponding value in the second cause judgment mode, re-detects the temperature to judge whether the purity of the refrigerant is qualified or not, marks the difference between the refrigeration difference and the preset refrigeration difference as an adjustment difference, and determines the adjustment mode for the flow rate of the refrigerant according to the adjustment difference, wherein:
the first flow rate adjustment mode is that the judging unit reduces the flow rate of the refrigerant to a corresponding value by using a first adjustment coefficient 0.8; the first flow speed regulation mode meets the condition that the regulation difference value is smaller than a first-level preset regulation difference value 3 ℃ preset in the judging unit;
the judging unit reduces the flow rate of the refrigerant to a corresponding value by using a second regulating coefficient of 0.7 in a second flow regulating mode; the second flow speed regulation mode meets the conditions that the regulation difference value is larger than or equal to the first-level preset regulation difference value and smaller than or equal to a second-level preset regulation difference value preset in the judging unit by 4 ℃;
the third flow speed adjusting mode is that the judging unit uses a third adjusting coefficient of 0.6 to reduce the flow speed of the refrigerant to a corresponding value; the third speed regulation mode satisfies that the regulation difference is larger than a second-level preset regulation difference preset in the judging unit.
Specifically, the central control unit reduces the flow rate of the refrigerant to a corresponding value in the second cause determination mode, then runs for a preset time period to re-detect the temperature, and determines whether the operation of the refrigeration unit meets a secondary determination mode of a preset standard according to the temperature, wherein:
the first secondary judgment mode is that the central control unit judges that the purity of the refrigerant is qualified and continues to detect; the first secondary judgment mode is used for enabling the refrigeration difference value to be smaller than or equal to the preset refrigeration difference value after the flow rate of the refrigerant and the preset duration of the central control unit are reduced to corresponding values;
the second secondary judgment mode is that the central control unit judges that the purity of the refrigerant is unqualified and sends out a replacement notification; the second secondary judgment mode is used for enabling the refrigeration difference value to be larger than the preset refrigeration difference value after the flow rate of the refrigerant and the preset duration of the central control unit are reduced to corresponding values.
Specifically, the central control unit records the ratio of the molecular sieve mass to the initial weight after failure as the moisture adsorption rate in the third determination mode, and the central control unit determines the determination mode for the model of the dry filter replacement according to the moisture adsorption rate and the use time length of the molecular sieve, wherein:
the first determining mode is that the central control unit determines that the model of the failed dry filter cannot meet the normal operation of the refrigerator, and determines the maximum adsorption quantity of the dry filter to be used according to the product of the correction coefficient and the adsorption quantity of the failed dry filter; the first determination mode satisfies that the moisture adsorption rate is smaller than a standard moisture adsorption rate of the dry filter or the use time length is smaller than a standard use time length;
the second determining mode is that the central control unit determines that the model of the ineffective dry filter can meet the normal operation of the refrigerator, and the dry filter with the same model is replaced; the second determination mode meets the conditions that the moisture adsorption rate is greater than or equal to the standard moisture adsorption rate of the dry filter and the using time is longer than the standard using time.
Specifically, the central control unit calculates the pre-adsorption rate R of the dry filter to be installed under a third preset condition, and setsWherein S is the actual weight of the dry filter before being installed, and G is the regulated weight of the dry filter;
and the third preset condition is that the central control unit judges that the dry filter needs to be replaced.
Fig. 4 is a schematic diagram showing a judging flow of selecting a corresponding preset adjustment mode by the central control unit according to the present utility model. The central control unit determines a preset adjusting mode for the primary preset temperature and the secondary preset temperature according to the pre-adsorption rate of the dry filter to be installed under the third preset condition, wherein:
the first preset adjusting mode is that the central control unit adjusts the first-stage preset temperature and the second-stage preset temperature into a first-stage preset temperature and a first second-stage preset temperature by using a first preset standard adjusting coefficient of 0.9; the first preset adjusting mode meets the condition that the preset adsorption rate is smaller than the first-level preset adsorption rate of 0.1 preset in the central control unit;
the second preset adjusting mode is that the central control unit adjusts the first-stage preset temperature and the second-stage preset temperature into a second-stage preset temperature and a second-stage preset temperature by using a second preset standard adjusting coefficient of 0.8; the first preset adjusting mode meets the condition that the preset adsorption rate is larger than or equal to the first-level preset adsorption rate and smaller than or equal to the second-level preset adsorption rate preset in the central control unit by 0.2;
the third preset adjusting mode is that the central control unit adjusts the first-stage preset temperature and the second-stage preset temperature into a third-stage preset temperature and a third-stage preset temperature by using a third preset standard adjusting coefficient of 0.7; the third preset adjusting mode meets the condition that the preset adsorption rate is larger than the second-level preset adsorption rate preset in the central control unit.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will be within the scope of the present utility model.
The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model; various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. An energy-saving refrigeration cycle system based on a dry filter, comprising:
the detection unit comprises a plurality of detection points arranged in the refrigerator and is used for detecting the temperature in the refrigerator;
a refrigerating unit including a compressor to transport and compress a refrigerant and a dry filter to adsorb moisture in the refrigerant;
the central control unit is respectively connected with the detection unit and corresponding parts in the refrigerating unit, and is used for judging whether the operation of the refrigerating unit meets the preset standard according to the data measured by the detection unit, determining the reason why the operation of the refrigerating unit does not meet the preset standard when the operation of the refrigerating unit is judged to be not met by the preset standard, adjusting the flow rate of the refrigerant in the refrigerating unit to a corresponding value or sending out a filter unit replacement alarm when the reason is determined, and determining the corresponding parameters in the refrigerating unit to be replaced according to the accumulated use time of the filter unit when the filter unit is judged to be replaced;
the central control unit determines a judging mode for whether the operation of the refrigerating unit meets a preset standard or not according to the temperature in the refrigerator measured by the detection unit under a first preset condition, wherein:
the first judging mode is that the central control unit judges that the operation of the refrigerating unit meets the preset standard and continuously detects the temperature in the refrigerator; the first judging mode meets the condition that the temperature is smaller than a first-level preset temperature preset in the central control unit;
the second judging mode is that the central control unit judges that the temperature does not meet a preset standard, and determines a specific reason that the operation of the refrigeration unit cannot reach the preset standard according to the difference value between the temperature and the primary preset temperature; the first judgment mode meets the condition that the temperature is larger than or equal to the primary preset temperature and smaller than or equal to the secondary preset temperature preset in the central control unit, and the secondary preset temperature is larger than the primary preset temperature;
the third judging mode is that the central control unit judges that the operation of the refrigerating unit does not meet the preset standard and the reason that the refrigerating unit does not meet the preset standard is that the dry filter fails, and the central control unit sends out a dry filter replacement notification; the third judging mode meets the condition that the temperature is larger than the second-level preset temperature;
the first preset condition is the preset operation time of the refrigerating unit;
the central control unit records the difference value between the temperature and the primary preset temperature as a refrigeration difference value in the second judging mode, and determines a reason judging mode aiming at the operation of the refrigeration unit not meeting the preset standard according to the refrigeration difference value, wherein:
the first reason judging mode is that the central control unit judges that the reason that the temperature does not accord with the preset standard is that the flow rate of the refrigerant is lower than the preset standard, and the central control unit adjusts the operation power of the compressor to a corresponding value according to a preset refrigeration difference value and a difference value of the refrigeration difference value; the first cause determining mode meets the condition that the refrigeration difference value is smaller than or equal to a preset refrigeration difference value preset in the central control unit;
the second reason judging mode is that the reason that the temperature is judged to be not in accordance with a preset standard by the central control unit is that the purity of the refrigerant is not qualified, the flow rate of the refrigerant is reduced to a corresponding value, the flow rate of the refrigerant is regulated back after the preset operation time is maintained, the detection unit is controlled to re-detect the temperature in the refrigerator, and the central control unit judges whether the operation of the refrigeration unit is in accordance with the standard or not according to the re-detected temperature; the second cause judgment mode satisfies that the refrigeration difference value is larger than the preset refrigeration difference value.
2. The energy-saving refrigeration cycle system based on a dry filter as set forth in claim 1, wherein the central control unit, in the first cause determination mode, marks a difference between the preset refrigeration difference and the refrigeration difference as a power adjustment difference, and determines an adjustment mode for the power of the compressor according to the power adjustment difference, wherein:
the first power adjustment mode is that the central control unit adjusts the power of the compressor to first power by using a first power adjustment coefficient; the first power adjustment mode meets the condition that the power adjustment difference value is smaller than a first preset power adjustment difference value preset in the central control unit;
the second power adjustment mode is that the central control unit adjusts the power of the compressor to second power by using a second power adjustment coefficient; the second power adjustment mode meets the requirements that the power adjustment difference value is larger than or equal to the first preset power adjustment difference value and smaller than or equal to a second preset power adjustment difference value preset in the central control unit, and the second preset power adjustment difference value is larger than the first preset power adjustment difference value;
the third power adjusting mode is that the central control unit adjusts the power of the compressor to third power by using a third power adjusting coefficient; the third power adjustment mode meets the condition that the power adjustment difference value is smaller than a second preset power adjustment difference value preset in the central control unit.
3. The energy-saving refrigeration cycle system based on a dry filter as set forth in claim 2, wherein the central control unit determines that the compressor power needs to be adjusted to a corresponding value, and if the adjusted compressor power reaches a critical value and the temperature does not meet a preset standard, the central control unit sends a notification of replacement of the dry filter.
4. The energy-saving refrigeration cycle system based on a dry filter as set forth in claim 1, wherein the central control unit restores the flow rate after the flow rate of the refrigerant is reduced to the corresponding value in the second cause determination mode, re-detects the temperature to determine whether the purity of the refrigerant is acceptable or not for a second time after running for a preset period of time, marks a difference between the refrigeration difference and the preset refrigeration difference as an adjustment difference, and determines the adjustment mode for the flow rate of the refrigerant according to the adjustment difference, wherein:
the first flow rate adjustment mode is that the judging unit uses a first adjustment coefficient to reduce the flow rate of the refrigerant to a corresponding value; the first flow speed regulation mode meets the condition that the regulation difference value is smaller than a first-level preset regulation difference value preset in the judging unit;
the judging unit reduces the flow rate of the refrigerant to a corresponding value by using a second regulating coefficient in a second flow regulating mode; the second flow speed regulation mode meets the condition that the regulation difference value is larger than or equal to the first-stage preset regulation difference value and smaller than or equal to a second-stage preset regulation difference value preset in the judging unit, and the second-stage preset regulation difference value is larger than the first-stage preset regulation difference value;
the third flow speed adjusting mode is that the judging unit uses a third adjusting coefficient to reduce the flow speed of the refrigerant to a corresponding value; the third speed regulation mode satisfies that the regulation difference is larger than a second-level preset regulation difference preset in the judging unit.
5. The energy-saving refrigeration cycle system based on a dry filter as set forth in claim 4, wherein the central control unit reduces the flow rate of the refrigerant to a corresponding value in the second cause determination mode, then operates for a preset period of time to re-detect the temperature, and determines whether the operation of the refrigeration unit meets a secondary determination mode of a preset standard according to the temperature, wherein:
the first secondary judgment mode is that the central control unit judges that the purity of the refrigerant is qualified and continues to detect; the first secondary judgment mode is used for enabling the refrigeration difference value to be smaller than or equal to the preset refrigeration difference value after the flow rate of the refrigerant and the preset duration of the central control unit are reduced to corresponding values;
the second secondary judgment mode is that the central control unit judges that the purity of the refrigerant is unqualified and sends out a replacement notification; the second secondary judgment mode is used for enabling the refrigeration difference value to be larger than the preset refrigeration difference value after the flow rate of the refrigerant and the preset duration of the central control unit are reduced to corresponding values.
6. The energy-saving refrigeration cycle system based on a dry filter according to claim 1, wherein the central control unit, in the third determination mode, marks a ratio of a molecular sieve mass after failure to an initial weight as a moisture adsorption rate, and determines a mode of determining a model for replacement of the dry filter according to the moisture adsorption rate and a usage time of the molecular sieve, wherein:
the first determining mode is that the central control unit determines that the model of the failed dry filter cannot meet the normal operation of the refrigerator, and determines the maximum adsorption quantity of the dry filter to be used according to the product of the correction coefficient and the adsorption quantity of the failed dry filter; the first determination mode satisfies that the moisture adsorption rate is smaller than a standard moisture adsorption rate of the dry filter or the use time length is smaller than a standard use time length;
the second determining mode is that the central control unit determines that the model of the ineffective dry filter can meet the normal operation of the refrigerator, and the dry filter with the same model is replaced; the second determination mode meets the conditions that the moisture adsorption rate is greater than or equal to the standard moisture adsorption rate of the dry filter and the using time is longer than the standard using time.
7. The energy-saving refrigeration cycle system based on a dry filter as set forth in claim 6, wherein said central control unit calculates a pre-adsorption rate R of the dry filter to be installed under a third preset condition, setsWherein S is the actual weight of the dry filter before being installed, and G is the regulated weight of the dry filter;
and the third preset condition is that the central control unit judges that the dry filter needs to be replaced.
8. The energy-saving refrigeration cycle system based on a dry filter according to claim 7, wherein the central control unit determines a preset adjustment mode for the primary preset temperature and the secondary preset temperature according to a pre-adsorption rate of the dry filter to be installed under the third preset condition, wherein:
the first preset adjusting mode is that the central control unit adjusts the first-stage preset temperature and the second-stage preset temperature into a first-stage preset temperature and a first second-stage preset temperature by using a first preset standard adjusting coefficient; the first preset adjusting mode meets the condition that the preset adsorption rate is smaller than the first-level preset adsorption rate preset in the central control unit;
the second preset adjusting mode is that the central control unit adjusts the first preset temperature and the second preset temperature into a second first preset temperature and a second preset temperature by using a second preset standard adjusting coefficient; the first preset adjusting mode meets the condition that the preset adsorption rate is larger than or equal to the first-stage preset adsorption rate and smaller than or equal to the second-stage preset adsorption rate preset in the central control unit, and the second-stage preset adsorption rate is larger than the first-stage preset adsorption rate;
the third preset adjusting mode is that the central control unit adjusts the first-stage preset temperature and the second-stage preset temperature into a third-stage preset temperature and a third-stage preset temperature by using a third preset standard adjusting coefficient; the third preset adjusting mode meets the condition that the preset adsorption rate is larger than the second-level preset adsorption rate preset in the central control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310806564.3A CN116642302B (en) | 2023-07-04 | 2023-07-04 | Energy-saving refrigeration cycle system based on dry filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310806564.3A CN116642302B (en) | 2023-07-04 | 2023-07-04 | Energy-saving refrigeration cycle system based on dry filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116642302A CN116642302A (en) | 2023-08-25 |
| CN116642302B true CN116642302B (en) | 2023-12-08 |
Family
ID=87623212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310806564.3A Active CN116642302B (en) | 2023-07-04 | 2023-07-04 | Energy-saving refrigeration cycle system based on dry filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116642302B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279119A (en) * | 1999-06-30 | 2001-01-10 | Lg电子株式会社 | Device and method for alarming to changing filter of water purifier |
| CN204668749U (en) * | 2015-05-18 | 2015-09-23 | 黄文明 | A kind of high-tension switch cabinet dehumidifier |
| CN205747614U (en) * | 2016-06-20 | 2016-11-30 | 浙江新昌三瑞香雪冲业有限公司 | A kind of removable device for drying and filtering |
| KR20190075706A (en) * | 2017-12-21 | 2019-07-01 | 멜콘 주식회사 | Gas providing apparatus, substrate processing system and method for measuring replacement time of filter unit |
| CN217686142U (en) * | 2022-06-10 | 2022-10-28 | 合肥华凌股份有限公司 | Filter installation component and refrigeration equipment |
-
2023
- 2023-07-04 CN CN202310806564.3A patent/CN116642302B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279119A (en) * | 1999-06-30 | 2001-01-10 | Lg电子株式会社 | Device and method for alarming to changing filter of water purifier |
| CN204668749U (en) * | 2015-05-18 | 2015-09-23 | 黄文明 | A kind of high-tension switch cabinet dehumidifier |
| CN205747614U (en) * | 2016-06-20 | 2016-11-30 | 浙江新昌三瑞香雪冲业有限公司 | A kind of removable device for drying and filtering |
| KR20190075706A (en) * | 2017-12-21 | 2019-07-01 | 멜콘 주식회사 | Gas providing apparatus, substrate processing system and method for measuring replacement time of filter unit |
| CN217686142U (en) * | 2022-06-10 | 2022-10-28 | 合肥华凌股份有限公司 | Filter installation component and refrigeration equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116642302A (en) | 2023-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2016256731A1 (en) | Device for extracting water from the air, and system and machine for the production of drinking water | |
| CN109373497B (en) | Refrigerant quantity adjusting method, device and system of temperature adjusting equipment and air conditioner | |
| CN103256767B (en) | Method for controlling evaporating temperature of water-side heat exchanger of air conditioner and air conditioner | |
| CN107289681B (en) | A kind of water cooler control method of refrigerant flow | |
| CN106152641B (en) | Air-conditioning refrigerator accurately defrosts intelligent control method and system | |
| CN109028491A (en) | A kind of frequency converting air-conditioner compressor soft-start method, system and air conditioner | |
| CN109612014A (en) | Air-conditioner set control method, device, system and air-conditioner set | |
| CN109855251A (en) | Discharge superheat modification method, device, computer product and the air-conditioning of air-conditioning | |
| CN116642302B (en) | Energy-saving refrigeration cycle system based on dry filter | |
| CN106931677B (en) | The full frequency-changing control system of circulating pump of lithium bromide absorption-type machine unit application | |
| CN113653619A (en) | New energy automobile compressor | |
| CN108758920A (en) | A kind of air conditioner coolant flow quantity control system and its control method | |
| CN205980069U (en) | Heating and cooling air conditioner | |
| WO2022174842A1 (en) | Air conditioner and defrosting control method therefor | |
| CN205641639U (en) | Heating and cooling air conditioner | |
| CN2872221Y (en) | Type II lithium-bromide absorbing hot-pump set with condenser liquid-level inspector | |
| CN219318704U (en) | Air temperature regulating system | |
| US5722246A (en) | Absorption refrigerating apparatus control method | |
| WO2023153417A1 (en) | Remote monitoring system of absorption-type freezer | |
| CN218936797U (en) | Humidity control assembly and refrigerating system | |
| WO2023153421A1 (en) | Remote monitoring system for absorption refrigerator | |
| KR100423817B1 (en) | Control method of absorption chiller | |
| CN202092394U (en) | Central air conditioner | |
| EP3411639A1 (en) | Liquid accumulator for heat exchange system, refrigeration system having the same, cascade refrigeration system and control method thereof | |
| CN116558216A (en) | Water level state detection method for refrigerator and water box system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |