Abstract: A compressor return gas dryness detection method includes: obtaining an exhaust gas pressure, a return gas pressure, a working frequency, an exhaust gas temperature, and a return gas temperature of a compressor; determining a return gas saturation temperature corresponding to the return gas pressure; calculating a temperature difference value based on the return gas temperature and the return gas saturation temperature; and in accordance with a determination that the temperature difference value is smaller than a predetermined threshold value, calculating a return gas dryness of the compressor based on the exhaust gas pressure, the return gas pressure, the working frequency, and the exhaust gas temperature.

Abstract: Embodiments of the present application provide a temperature adjusting device, an air conditioning system, a control method, and a readable storage medium. The temperature adjusting device includes: an evaporative cooling device, having an indoor air supply port and an outdoor air outlet; and a compressor device, including a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first throttling component, a second throttling component, and a reversing valve. The first heat exchanger exchanges heat with indoor air at the indoor air supply port and recovers waste heat, the second heat exchanger exchanges heat with outdoor air at the outdoor air outlet and recovers waste heat, and a refrigerant discharged by the compressor exchanges heat with a heat exchange medium in the third heat exchanger.

Abstract: A compressor assembly includes a first compressor, a second compressor, a first oil separator, a second oil separator, a storage container, a gas-liquid separator, a liquid balance pipe, and a gas balance pipe. The first compressor has a first air return port, and the second compressor has a second air return port. The first oil separator has a first oil outlet, the second oil separator has a second oil outlet, and the storage container has a refrigerant inlet, the first oil outlet and the second oil outlet both being in communication with the refrigerant inlet. The gas-liquid separator has a first gas separation outlet, a second gas separation outlet, a first oil return hole and a second oil return hole, the first gas separation outlet and the first oil return hole both being in communication with the first gas return port.

Abstract: Embodiments provide a system for monitoring an environment and a monitoring method based on a system for monitoring an environment. The system for monitoring the environment includes: a sampling device, configured to collect environmental samples from the process areas and including a system sampling pipeline, the environmental sample containing air; an analysis device, connected to an output end of the system sampling pipeline and configured to analyze the collected environmental samples; and an air supply device, connected to the system sampling pipeline and configured to provide a purge gas and purge the system sampling pipeline using the purge gas. In a period for a single sampling, a ratio between a time period for purging the system sampling pipeline using the air supply device and a time period for sampling by the sampling device is controlled to be 1:5.

Abstract: The present disclosure provides a method and device for position determination, an air conditioning system, and a readable storage medium. The method for position determination includes: acquiring return air temperature information of each indoor unit; determining a first correlation coefficient between every two indoor units based on the return air temperature information; classifying indoor units based on the first correlation coefficient to obtain a number of classified groups; and generating relative position information in each classified group based on the first correlation coefficient by taking any one of the indoor units as a locating point. Maintenance personnel are not required to manually maintain a relative position relation of indoor units. Therefore, the maintenance difficulty of the relative position relation of indoor units is reduced, and a time cost and a labor cost required for maintenance are reduced accordingly.

Abstract: The present disclosure provides a control method, apparatus, and device for a compressor, a storage medium, and a refrigerator system. The control method includes: obtaining an electrical parameter, a return air parameter, and a first frequency of the compressor during operation of the compressor; determining a first fitting formula corresponding to the first frequency; obtaining an exhaust pressure by inputting the electrical parameter and the return air parameter into the first fitting formula for calculation; and controlling the compressor based on the exhaust pressure. In this way, the pressure sensor disposed on an exhaust side of an air conditioner can be omitted, hence cost is saved; or for the air conditioner with the pressure sensor on the exhaust side, the above manner for calculation can be an alternative to obtaining the exhaust pressure, which ensures a user's normal use and thus improves the user experience.

Abstract: The present disclosure provides a control method, apparatus, and device for a compressor, a storage medium, and a refrigerator system. The control method includes: obtaining an electrical parameter, a return air parameter, and a first frequency of the compressor during operation of the compressor; determining a first fitting formula corresponding to the first frequency; obtaining an exhaust pressure by inputting the electrical parameter and the return air parameter into the first fitting formula for calculation; and controlling the compressor based on the exhaust pressure. In this way, the pressure sensor disposed on an exhaust side of an air conditioner can be omitted, hence cost is saved; or for the air conditioner with the pressure sensor on the exhaust side, the above manner for calculation can be an alternative to obtaining the exhaust pressure, which ensures a user's normal use and thus improves the user experience.

Abstract: A rotary wheel humidity regulating device, an air conditioning system having same, a control method for an air conditioning system, and a controller. The rotary wheel humidity regulating device includes an adsorption rotary wheel, a first heat exchanger, and a second heat exchanger. The adsorption rotary wheel has a first portion located at an air inlet side of a fresh air system of an air conditioning system and a second portion located at an air return side of the fresh air system. The first heat exchanger is disposed at a position on the air return side, is in communication with a refrigerant circuit of the air conditioning system, and is controlled for cooling or heating by the air conditioning system through the refrigerant circuit. The second heat exchanger is disposed at a position on the air inlet side close to the first portion, is in communication with the refrigerant circuit, and is controlled for cooling or heating by the air conditioning system through the refrigerant circuit.

Abstract: A method for monitoring environmental data and a monitoring system are provided. The method includes that: a second server receives first environmental data from a first server; the second server determines that data loss occurs in the first environmental data; the second server obtains lost data in the first environmental data from the first server; the second server obtains second environmental data according to the first environmental data and the lost data; and responsive to a concentration of a sampled gas in the second environmental data exceeding a preset concentration threshold, the second server sends warning information to a terminal device.

Abstract: An indoor unit power consumption detection method includes: acquiring a multi-split air conditioner operation mode and multi-split air conditioner information of a heat recovery multi-split air conditioner and determining to-be-detected indoor units based on the multi-split air conditioner information. The method includes acquiring indoor unit operation modes of the to-be-detected indoor units and obtaining a target indoor unit by filtering, based on the multi-split air conditioner operation mode and the indoor unit operation modes, the to-be-detected indoor units; acquiring indoor unit information of the target indoor unit and outdoor unit information of the heat recovery multi-split air conditioner; and determining total power consumption of the target indoor unit based on the indoor unit information and the outdoor unit information.

Abstract: A system for monitoring an environment can be used for monitoring concentrations of airborne contaminants in a plurality of process areas in a clean room. The system includes: a sampling device, configured to collect environmental samples from process areas and including a system sampling pipeline, the environmental sample including air; an analysis device, connected to an output end of the system sampling pipeline; an air supply device, connected to the system sampling pipeline and configured to provide a purge gas to the system sampling pipeline; and a humidification device, configured to provide water mist and connected between the air supply device and the system sampling pipeline.

Abstract: A multi-split air conditioner operational capacity detection method includes acquiring hydraulic device data of a heat recovery multi-split air conditioner and determining hydraulic device absorption outdoor unit heat quantity based on the hydraulic device data; acquiring outdoor unit data and indoor unit data of the heat recovery multi-split air conditioner. The method includes determining a condenser heating capacity and an evaporator cooling capacity based on the outdoor unit data, the indoor unit data, and the hydraulic device data; determining a heating indoor unit heating capacity and a cooling indoor unit cooling capacity based on a hydraulic device heat absorption value, the condenser heating capacity, and the evaporator cooling capacity; and determining an operational capacity of the heat recovery multi-split air conditioner based on the heating indoor unit heating capacity, the cooling indoor unit cooling capacity, and the hydraulic device absorption outdoor unit heat quantity.

Abstract: A method for detecting power consumption of a multi-split air conditioner includes acquiring hydraulic device data of a heat recovery multi-split air conditioner and determining a hydraulic device heat absorption value based on the hydraulic device data. The method includes acquiring outdoor unit data, indoor unit data, and power consumption data of the heat recovery multi-split air conditioner; determining a condenser heating capacity and an evaporator cooling capacity based on the outdoor unit data, the indoor unit data, and the hydraulic device data; and determining indoor unit power consumption and hydraulic device power consumption based on the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity.

Abstract: A compressor return air dryness detection method includes: obtaining an exhaust air pressure, a return air pressure, a working frequency, an exhaust air temperature, and a return air temperature of a compressor; determining a return air saturation temperature corresponding to the return air pressure; calculating a temperature difference value based on the return air temperature and the return air saturation temperature; and in accordance with a determination that the temperature difference value is smaller than a predetermined threshold value, calculating a return air dryness of the compressor based on the exhaust air pressure, the return air pressure, the working frequency, and the exhaust air temperature.

Abstract: A compressor return air dryness detection method includes: obtaining an exhaust air pressure, a return air pressure, a working frequency, an exhaust air temperature, and a return air temperature of a compressor; determining a return air saturation temperature corresponding to the return air pressure; calculating a temperature difference value based on the return air temperature and the return air saturation temperature; and in accordance with a determination that the temperature difference value is smaller than a predetermined threshold value, calculating a return air dryness of the compressor based on the exhaust air pressure, the return air pressure, the working frequency, and the exhaust air temperature.

Abstract: A method for monitoring environmental data and a monitoring system are provided. The method includes that: a second server receives first environmental data from a first server; the second server determines that data loss occurs in the first environmental data; the second server obtains lost data in the first environmental data from the first server; the second server obtains second environmental data according to the first environmental data and the lost data; and responsive to a concentration of a sampled gas in the second environmental data exceeding a preset concentration threshold, the second server sends warning information to a terminal device.

Abstract: Embodiments provide a system for monitoring an environment and a monitoring method based on a system for monitoring an environment. The system for monitoring the environment includes: a sampling device, configured to collect environmental samples from the process areas and including a system sampling pipeline, the environmental sample containing air; an analysis device, connected to an output end of the system sampling pipeline and configured to analyze the collected environmental samples; and an air supply device, connected to the system sampling pipeline and configured to provide a purge gas and purge the system sampling pipeline using the purge gas. In a period for a single sampling, a ratio between a time period for purging the system sampling pipeline using the air supply device and a time period for sampling by the sampling device is controlled to be 1:5.

Abstract: A system for monitoring an environment can be used for monitoring concentrations of airborne contaminants in a plurality of process areas in a clean room. The system includes: a sampling device, configured to collect environmental samples from process areas and including a system sampling pipeline, the environmental sample including air; an analysis device, connected to an output end of the system sampling pipeline; an air supply device, connected to the system sampling pipeline and configured to provide a purge gas to the system sampling pipeline; and a humidification device, configured to provide water mist and connected between the air supply device and the system sampling pipeline.

Abstract: The embodiments of the present application provide an environmental monitoring system, which is configured to monitor concentrations of air pollutants of process regions in a clean room, and includes: a plurality of process regions in the clean room; a sampling device, configured to collect environmental samples of the process regions; a controlling device, configured to control the sampling device to collect the preset environmental samples of the process regions; and an analyzing device, communicated with the sampling device and configured to analyze the collected environmental samples. The present application facilitates a rapid acquisition of the analysis data of the environmental samples in particular process regions and improves the accuracy of data analysis.