WO2021072954A1 - Procédé et dispositif de réglage de lubrification de compresseur, équipement électronique et support d'informations - Google Patents

Procédé et dispositif de réglage de lubrification de compresseur, équipement électronique et support d'informations Download PDF

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Publication number
WO2021072954A1
WO2021072954A1 PCT/CN2019/124782 CN2019124782W WO2021072954A1 WO 2021072954 A1 WO2021072954 A1 WO 2021072954A1 CN 2019124782 W CN2019124782 W CN 2019124782W WO 2021072954 A1 WO2021072954 A1 WO 2021072954A1
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WIPO (PCT)
Prior art keywords
compressor
suction pressure
frequency
real
value
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PCT/CN2019/124782
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English (en)
Chinese (zh)
Inventor
刘志力
雷朋飞
吴思朗
叶景发
李操炫
Original Assignee
广东芬尼克兹节能设备有限公司
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Publication of WO2021072954A1 publication Critical patent/WO2021072954A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • 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
    • F25B13/00—Compression machines, plants or systems, with 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • 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
    • 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

Definitions

  • the embodiments of the present application relate to the technical field of compressors, and in particular, to a lubrication adjustment method, device, electronic equipment, and storage medium of a compressor.
  • the ambient temperature range used by heat pumps has become wider and wider.
  • the stable operation temperature range of the compressor has been extended to below low temperature -35°C, making the heat pump suitable for use in a wider range of ambient temperatures.
  • the suction pressure of the compressor when it operates in an ultra-low temperature environment, the suction pressure of the compressor is relatively small, and the refrigerant flow rate is relatively low. In the case of frosting, the suction pressure of the compressor will be smaller, and the refrigerant flow will be further reduced.
  • the refrigerant flow rate is small, enough lubricating oil cannot be brought back to the compressor, resulting in poor lubrication of the compressor, resulting in heat pump failure, and affecting user experience.
  • the embodiments of the present application provide a compressor lubrication adjustment method, device, electronic equipment, and storage medium, which can solve the problem of low refrigerant flow when the compressor is running at an ultra-low temperature, and realize the operation control of the compressor suction pressure.
  • an embodiment of the present application provides a method for adjusting lubrication of a compressor, including:
  • suction pressure threshold is the minimum suction pressure allowed for the safe operation of the compressor
  • the compressor frequency is adjusted by the corresponding frequency adjustment method according to the current frequency adjustment stage of the compressor, and the compressor electronic expansion valve is adjusted to increase The real-time inspiratory pressure value.
  • a corresponding frequency adjustment method is adopted to adjust the compressor frequency according to the current frequency adjustment stage of the compressor, and the compressor electronic expansion valve is adjusted ,include:
  • the compressor When the compressor is in the up-frequency phase, if the real-time suction pressure value is less than or equal to the sum of the suction pressure threshold and the first preset positive deviation value, the compressor is controlled to stop the up-frequency and adjust according to the degree of superheat Electronic expansion valve.
  • a corresponding frequency adjustment method is adopted to adjust the compressor frequency according to the current frequency adjustment stage of the compressor, and the compressor electronic expansion valve is adjusted ,Also includes:
  • the compressor When the compressor is in the stable frequency stage, if the real-time suction pressure value is less than the difference between the suction pressure threshold and the first preset negative deviation value, the compressor is controlled to perform frequency reduction at a first preset rate.
  • a corresponding frequency adjustment method is adopted to adjust the compressor frequency according to the current frequency adjustment stage of the compressor, and the compressor electronic expansion valve is adjusted ,Also includes:
  • the compressor When the compressor is in the stable frequency phase or the frequency reduction phase, if the real-time suction pressure value is less than the difference between the suction pressure threshold and the second preset negative deviation value, the compressor is controlled to perform at the second preset rate Down frequency.
  • a corresponding frequency adjustment method is adopted to adjust the compressor frequency according to the current frequency adjustment stage of the compressor, and the compressor electronic expansion valve is adjusted ,Also includes:
  • the compressor When the compressor is in the stable frequency phase or the frequency reduction phase, if the real-time suction pressure value is less than the difference between the suction pressure threshold and the third preset negative deviation value, the compressor is controlled to perform at the third preset rate Down frequency.
  • a corresponding frequency adjustment method is adopted to adjust the compressor frequency according to the current frequency adjustment stage of the compressor, and the compressor electronic expansion valve is adjusted ,Also includes:
  • the difference between the current compressor discharge temperature and the condensing temperature corresponding to the compressor discharge pressure is detected.
  • the corresponding frequency modulation stage controls the electronic expansion valve to open at the corresponding rate and pace until If the real-time suction pressure value is greater than the sum of the suction pressure threshold value and the first preset positive deviation value, the frequency reduction and valve opening are stopped.
  • an embodiment of the present application provides a lubrication adjustment device for a compressor, including:
  • a setting module configured to preset a suction pressure threshold of the compressor, where the suction pressure threshold is the minimum suction pressure allowed for safe operation of the compressor;
  • the comparison module is configured to detect the real-time suction pressure value of the compressor after the compressor is started, and compare the detected real-time suction pressure value with the suction pressure threshold;
  • the adjustment module is configured to, when the real-time suction pressure value is less than or equal to the suction pressure threshold, adjust the compressor frequency by adopting a corresponding frequency adjustment method according to the current frequency adjustment stage of the compressor, and adjust the compressor Electronic expansion valve to increase the real-time suction pressure value.
  • an electronic device including:
  • Memory and one or more processors
  • the memory is configured to store one or more programs
  • the one or more processors When the one or more programs are executed by the one or more processors, the one or more processors implement the lubrication adjustment method of the compressor as described in the first aspect.
  • embodiments of the present application provide a storage medium containing computer-executable instructions configured to perform the lubrication of the compressor as described in the first aspect when executed by a computer processor. Adjustment method.
  • the real-time suction pressure of the compressor is detected, and when the real-time suction pressure is less than or equal to the suction pressure threshold, according to the compressor
  • the current frequency adjustment stage adopts the corresponding frequency adjustment method to adjust the compressor frequency and adjust the compressor electronic expansion valve.
  • the real-time suction pressure value of the compressor can be increased.
  • the increase in the real-time suction pressure of the compressor can increase the refrigerant flow rate of the compressor, so that the refrigerant can bring back enough lubricating oil to avoid the compressor due to poor lubrication. There is a breakdown or even burned out.
  • FIG. 1 is a flowchart of a method for adjusting lubrication of a compressor according to Embodiment 1 of the present application;
  • FIG. 2 is a flowchart of another compressor lubrication adjustment method provided in the second embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a lubrication adjusting device for a compressor according to a third embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of an electronic device according to Embodiment 4 of the present application.
  • the compressor lubrication adjustment method provided in this application aims to increase the suction pressure of the compressor by adjusting the suction pressure of the compressor, and increase the flow of refrigerant entering the compressor by increasing the suction pressure of the compressor.
  • the existing compressor in the operation process because there is no better lubrication adjustment, in the case of compressor suction pressure is too low, it will lead to poor oil supply inside the compressor or the suction cannot return oil, and then Causes poor lubrication of the compressor.
  • the lubrication adjustment method of the compressor of the embodiment of the present application is provided to solve the technical problem of poor lubrication caused by the low suction pressure of the existing compressor.
  • Figure 1 shows a flow chart of a compressor lubrication adjustment method provided in the first embodiment of the present application.
  • the compressor lubrication adjustment method provided in this embodiment can be executed by a compressor lubrication adjustment device.
  • the lubrication adjustment device may be implemented by software and/or hardware.
  • the lubrication adjustment device of the compressor may be composed of two or more physical entities, or may be composed of one physical entity. Generally speaking, the lubrication adjustment device of the compressor can be the main control device of the compressor.
  • the lubrication adjustment device of the compressor is an example of the device that executes the lubrication adjustment method of the compressor.
  • the lubrication adjustment method of the compressor specifically includes:
  • suction pressure threshold is a minimum suction pressure allowed for safe operation of the compressor.
  • the suction pressure threshold of the compressor is the minimum suction pressure value allowed for the safe operation of the compressor, and this minimum suction pressure threshold is determined according to the compressor operation safety experiment.
  • a boundary value of suction pressure for normal compressor internal lubrication is determined by actual experimental data, that is, the minimum suction pressure value, and this minimum suction pressure value is used as the suction pressure threshold of the compressor.
  • S120 After the compressor is started, detect the real-time suction pressure value of the compressor, and compare the detected real-time suction pressure value with the suction pressure threshold.
  • the compressor's lubrication adjustment device will detect the compressor's real-time suction pressure value in real time based on this suction pressure threshold, and will detect the real-time suction pressure value of the compressor in real time.
  • the suction pressure value is compared with the suction pressure threshold value to determine whether the real-time pressure value of the compressor is less than the suction pressure threshold value of the compressor.
  • the suction pressure of the compressor may be collected according to an air pressure sensor provided at the air inlet of the compressor. There are many ways to collect the suction pressure of the compressor, and the embodiment of the present application does not make a fixed limitation.
  • the embodiment of the application considers the influence of the suction pressure threshold deviation, and adjusts at different frequencies. Set different deviation values in the stage, and compare the real-time suction pressure of the compressor with the sum of the compressor suction pressure threshold and the corresponding deviation value during the comparison, so as to make the real-time discharge pressure comparison more accurate. Avoid deviations from affecting the compressor suction pressure adjustment.
  • the real-time suction pressure value of the compressor when comparing the real-time suction pressure value of the compressor with the suction pressure threshold value, if the real-time suction pressure value of the compressor is greater than the suction pressure threshold value, it indicates that the current suction pressure of the compressor is normal and the internal lubrication of the compressor is normal. If the compressor's real-time suction pressure value is less than or equal to the suction pressure threshold, it indicates that the current compressor suction pressure is too small, and it is easy to cause poor lubrication due to low refrigerant flow, and compressor suction pressure adjustment is required.
  • the corresponding frequency adjustment method is adopted to adjust the compressor frequency according to the current frequency adjustment stage of the compressor, and the compressor electronic expansion valve is adjusted.
  • the suction pressure of the compressor can be adjusted by adjusting the operating frequency of the compressor.
  • the opening of the compressor's electronic expansion valve the compressor suction pressure can also be adjusted. Specifically, by reducing the operating frequency of the compressor, or opening the electronic expansion valve of the compressor to increase the real-time suction pressure of the compressor, the lubrication adjustment inside the compressor is realized.
  • the compressor when the compressor is in the up-frequency phase, if the real-time suction pressure value is less than or equal to the sum of the suction pressure threshold and the first preset positive deviation value, the compressor is controlled to stop the up-frequency and adjust according to the degree of superheat Electronic expansion valve.
  • the compressor When the compressor is in the stable frequency stage, if the real-time suction pressure value is less than the difference between the suction pressure threshold and the first preset negative deviation value, the compressor is controlled to perform frequency reduction at the first preset rate.
  • the compressor is in the stable frequency phase or the frequency reduction phase, if the real-time suction pressure value is less than the difference between the suction pressure threshold and the second preset negative deviation value, the compressor is controlled to perform frequency reduction at the second preset rate.
  • the compressor When the compressor is in the stable frequency phase or the frequency reduction phase, if the real-time suction pressure value is less than the difference between the suction pressure threshold and the third preset negative deviation value, the compressor is controlled to perform frequency reduction at the third preset rate. And in each frequency adjustment stage, the compressor electronic expansion valve is adjusted at the same time. By detecting the difference between the current compressor discharge temperature and the condensing temperature corresponding to the compressor discharge pressure, when the difference is greater than or equal to the preset threshold, the electronic expansion valve corresponding to each frequency adjustment stage is controlled to open at the corresponding speed and pace , Until the real-time suction pressure value is greater than the sum of the suction pressure threshold and the first preset positive deviation value, stop frequency reduction and valve opening.
  • the machine suction pressure threshold P smin is 1. Adjusting the frequency corresponding to the different stages in the compressor when the upsampling stage, detected P s ⁇ P smin + a, i.e., P s is less than 1.1, when the compressor is stopped upscaling, and controls the electronic expansion valve is adjusted according to the degree of superheat, By adjusting the opening degree of the electronic expansion valve, the superheat of the compressor reaches the preset value. In this way, the compressor suction pressure is adjusted.
  • the compressor When the compressor is in the stable frequency stage, it is detected that P smin -c ⁇ P s ⁇ P smin -b, that is, P s is less than 0.9 and greater than 0.8, and at this time, the compressor is controlled to perform frequency reduction at the first preset rate S1. It also detects the difference between the current compressor discharge temperature and the condensing temperature corresponding to the compressor discharge pressure. When the difference is greater than or equal to Td (preset threshold), the electronic expansion valve is controlled to open at a rate E_S1 and a step E_N1. And real-time detection of compressor suction pressure, until P s is greater than 1.1, stop frequency reduction and valve opening.
  • the threshold corresponding to the difference between the compressor discharge temperature and the compressor discharge pressure corresponding to the condensing temperature is set according to the temperature difference threshold to avoid liquid back after the compressor electronic expansion valve is opened.
  • This threshold is set by setting this threshold , To avoid the risk of liquid return during the adjustment process of the electronic expansion valve.
  • the electronic expansion valve of the compressor adopts different speed and pace adjustments according to different frequency adjustment stages when adjusting the opening degree. It is to minimize the system pressure fluctuation during the compressor adjustment process and avoid abnormal use of the compressor due to excessive pressure fluctuation.
  • the opening rate and pace of the electronic expansion valve are measured according to actual experiments. By adjusting the compressor's electronic expansion valve in different frequency adjustment stages, the most suitable rate and pace are measured as the subsequent corresponding frequency adjustment stage for compressor electronic expansion. The preset rate and opening step when the valve opening is adjusted.
  • the corresponding adjustment method is adopted to adjust the suction pressure, so that the real-time suction pressure of the compressor is greater than the sum of the compressor suction pressure threshold and the first preset positive deviation value, then The current suction pressure is sufficient for the refrigerant to bring back enough lubricating oil.
  • the compressor is The frequency adjustment stage adopts the corresponding frequency adjustment method to adjust the compressor frequency and adjust the compressor electronic expansion valve.
  • the real-time suction pressure value of the compressor can be increased.
  • the increase in the real-time suction pressure of the compressor can increase the refrigerant flow rate of the compressor, so that the refrigerant can bring back enough lubricating oil to avoid the compressor due to poor lubrication. There is a breakdown or even burned out.
  • FIG. 2 is a flowchart of another compressor lubrication adjustment method provided in the second embodiment of the application.
  • the lubrication adjustment method of the compressor provided in this embodiment specifically includes:
  • S210 Pre-setting the suction pressure threshold of the compressor, where the suction pressure threshold is the minimum suction pressure allowed for safe operation of the compressor;
  • S220 After the compressor is started, detect the real-time suction pressure value of the compressor, and compare the detected real-time suction pressure value with the suction pressure threshold;
  • the suction pressure of the compressor is detected in real time, and the real-time suction pressure value is compared with the suction pressure threshold again. If it is found within the set time, no matter how it is adjusted If it fails to increase the suction pressure value of the compressor, it is determined that the compressor suction pressure adjustment control is abnormal, and an abnormality prompt is output. In order to notify relevant personnel to overhaul the equipment to avoid further damage to the equipment.
  • the above scheme determines whether the compressor suction pressure adjustment control is effective by judging whether the compressor suction pressure adjustment makes the real-time suction pressure value greater than the suction pressure threshold. If it is invalid, the output suction pressure Indication of abnormal air pressure adjustment and control, promptly remind relevant personnel to repair, avoid further damage to the compressor, ensure the safe operation of the equipment, and further optimize the user experience.
  • FIG. 3 is a schematic structural diagram of a lubrication adjusting device for a compressor provided in the third embodiment of the application.
  • the lubrication adjusting device for the compressor provided in this embodiment specifically includes: a setting module, a comparison module, and an adjusting module.
  • the setting module 31 is configured to pre-set the suction pressure threshold of the compressor, where the suction pressure threshold is the minimum suction pressure allowed for the safe operation of the compressor;
  • the comparison module 32 is configured to detect the real-time suction pressure value of the compressor after the compressor is started, and compare the detected real-time suction pressure value with the suction pressure threshold;
  • the adjustment module 33 is configured to, when the real-time suction pressure value is less than or equal to the suction pressure threshold, adjust the compressor frequency by adopting a corresponding frequency adjustment method according to the current frequency adjustment stage of the compressor, and adjust the compressor Electronic expansion valve to increase the real-time suction pressure value.
  • the compressor is The frequency adjustment stage adopts the corresponding frequency adjustment method to adjust the compressor frequency and adjust the compressor electronic expansion valve.
  • the real-time suction pressure value of the compressor can be increased.
  • the increase in the real-time suction pressure of the compressor can increase the refrigerant flow rate of the compressor, so that the refrigerant can bring back enough lubricating oil to avoid the compressor due to poor lubrication. There is a breakdown or even burned out.
  • the adjustment module includes a first adjustment unit configured to, when the compressor is in an up-frequency phase, if the real-time suction pressure value is less than or equal to the suction pressure threshold value and a first preset positive deviation value Sum, the compressor is controlled to stop the frequency increase, and the electronic expansion valve is adjusted according to the degree of superheat.
  • the second adjusting unit is configured to control the compressor to press the first preset negative deviation value if the real-time suction pressure value is less than the difference between the suction pressure threshold value and the first preset negative deviation value when the compressor is in the stable frequency stage. Preset rate for frequency reduction.
  • the third adjustment unit is configured to control the compression if the real-time suction pressure value is less than the difference between the suction pressure threshold value and the second preset negative deviation value when the compressor is in the stable frequency stage or the frequency reduction stage The machine performs frequency reduction at the second preset rate.
  • the fourth adjusting unit is configured to control the compression if the real-time suction pressure value is less than the difference between the suction pressure threshold value and the third preset negative deviation value when the compressor is in the stable frequency stage or the frequency reduction stage The machine performs frequency reduction at the third preset rate.
  • the fifth adjustment unit is configured to detect the difference between the current compressor discharge temperature and the condensing temperature corresponding to the compressor discharge pressure, and when the difference is greater than or equal to a preset threshold, the electronic expansion valve corresponding to the frequency modulation stage is controlled to press The corresponding speed and pace are increased until the real-time inhalation pressure value is greater than the sum of the inhalation pressure threshold value and the first preset positive deviation value, stop frequency reduction and valve opening.
  • a prompt module configured to determine that the control is abnormal and output an abnormal prompt if the real-time inhalation pressure value is still less than or equal to the inhalation pressure threshold after a set period of time.
  • the lubrication adjustment device of the compressor provided in the third embodiment of the present application can be configured to implement the lubrication adjustment methods of the compressor provided in the first and second embodiments above, and has corresponding functions and beneficial effects.
  • the fourth embodiment of the present application provides an electronic device.
  • the electronic device includes: a processor 41, a memory 42, a communication module 43, an input device 44 and an output device 45.
  • the number of processors in the electronic device may be one or more, and the number of memories in the electronic device may be one or more.
  • the processor 41, the memory 42, the communication module 43, the input device 44, and the output device 45 of the electronic device may be connected by a bus or other methods.
  • the memory 42 can be configured to store software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the compressor lubrication adjustment method described in any embodiment of the present application (for example, The setting module, the comparison module and the adjustment module in the lubrication adjustment device of the compressor).
  • the memory may mainly include a program storage area and a data storage area.
  • the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the device.
  • the memory may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.
  • the memory may further include a memory remotely provided with respect to the processor, and these remote memories may be connected to the device through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.
  • the communication module 43 is configured to perform data transmission.
  • the processor 41 executes various functional applications and data processing of the equipment by running software programs, instructions, and modules stored in the memory, that is, realizes the above-mentioned compressor lubrication adjustment method.
  • the input device 44 may be configured to receive input numeric or character information, and generate key signal input related to user settings and function control of the device.
  • the output device 45 may include a display device such as a display screen.
  • the electronic device provided above can be configured to execute the lubrication adjustment method of the compressor provided in the first and second embodiments above, and has corresponding functions and beneficial effects.
  • An embodiment of the present application also provides a storage medium containing computer-executable instructions configured to execute a compressor lubrication adjustment method when executed by a computer processor, and the compressor lubrication adjustment method Including: pre-setting the suction pressure threshold of the compressor, the suction pressure threshold is the minimum suction pressure value allowed by the safe operation of the compressor; after the compressor is started, the real-time suction pressure value of the compressor is detected, and the The detected real-time suction pressure value is compared with the suction pressure threshold; when the real-time suction pressure value is less than or equal to the suction pressure threshold, it is used according to the current frequency modulation stage of the compressor The corresponding frequency adjustment method adjusts the compressor frequency and adjusts the compressor electronic expansion valve to increase the real-time suction pressure value.
  • Storage medium any of various types of storage devices or storage devices.
  • the term "storage medium” is intended to include: installation media, such as CD-ROM, floppy disk or tape device; computer system memory or random access memory, such as DRAM, DDR RAM, SRAM, EDO RAM or Rambus RAM, etc. ; Non-volatile memory, such as flash memory or magnetic media (such as hard disk or optical storage); registers or other similar types of memory elements.
  • the storage medium may further include other types of memory or a combination thereof.
  • the storage medium may be located in the first computer system in which the program is executed, or may be located in a different second computer system connected to the first computer system through a network (such as the Internet).
  • the second computer system can provide the program instructions to the first computer for execution.
  • the term “storage medium” may include two or more storage media residing in different locations (for example, in different computer systems connected through a network).
  • the storage medium may store program instructions (for example, embodied as a computer program) executable by one or
  • the storage medium containing computer-executable instructions provided by the embodiments of the present application is not limited to the compressor lubrication adjustment method described above, and can also execute the compression provided by any embodiment of the present application. Related operations in the lubrication adjustment method of the machine.
  • the compressor lubrication adjustment device, storage medium, and electronic equipment provided in the above embodiments can perform the compressor lubrication adjustment method provided in any embodiment of this application.
  • the compressor lubrication adjustment method provided by any embodiment.

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Abstract

La présente invention concerne un procédé et un dispositif de réglage de lubrification de compresseur, un équipement électronique et un support d'informations. La présente invention utilise les moyens techniques suivants : une valeur seuil de pression d'aspiration d'air d'un compresseur est prédéfinie ; après le démarrage du compresseur, une valeur de pression d'aspiration d'air en temps réel du compresseur est détectée ; et lorsque la valeur de pression d'aspiration d'air en temps réel est inférieure ou égale à la valeur seuil de pression d'aspiration d'air, la fréquence du compresseur est réglée à la manière d'un réglage de fréquence correspondant en fonction de l'étape de réglage de fréquence actuelle du compresseur et une soupape d'expansion électronique du compresseur est réglée. Avec les moyens techniques, une valeur de pression d'aspiration d'air en temps réel d'un compresseur peut être augmentée, et l'écoulement d'un réfrigérant pour le compresseur peut être augmenté par l'augmentation d'une pression d'aspiration d'air en temps réel du compresseur, de sorte qu'une huile de lubrification suffisante peut être rapportée par le réfrigérant, et la situation dans laquelle le compresseur tombe en panne ou même brûle en raison d'une mauvaise lubrification est évitée.
PCT/CN2019/124782 2019-10-15 2019-12-12 Procédé et dispositif de réglage de lubrification de compresseur, équipement électronique et support d'informations WO2021072954A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910980365.8 2019-10-15
CN201910980365.8A CN112664455B (zh) 2019-10-15 2019-10-15 一种压缩机的润滑调节方法、装置、电子设备及存储介质

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WO2021072954A1 true WO2021072954A1 (fr) 2021-04-22

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