Compressor control method and device, air conditioner, storage medium and electronic equipment

Abstract

The invention provides a compressor control method and device, an air conditioner, a storage medium and electronic equipment, and the method comprises the steps that the first real-time guide vane opening degree and the initial load parameter of a compressor are detected; whether the first real-time guide vane opening degree is within a preset opening degree interval or not is judged, and the preset opening degree interval is the opening degree interval of the guide vane when the compressor operates under the optimal energy efficiency working condition; and if the first real-time guide vane opening degree is not in the preset opening degree interval, the initial load parameter of the compressor is adjusted according to the first real-time guide vane opening degree, so that a guide vane of the compressor operates in the preset opening degree interval. The technical problem of low energy efficiency of the compressor in the prior art is solved, the energy efficiency of the compressor is improved, the energy consumption is reduced, and the energy cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of compressors, and in particular to a compressor control method and device, an air conditioner, a storage medium, and an electronic device. Background Art

[0002] In related technologies, as the country increases its efforts to transform the refrigeration and air-conditioning industry into energy-efficient, the requirements for energy-efficient buildings are raised, and carbon emissions are restricted. The air-conditioning industry has an increasing demand for high-efficiency refrigeration units. Currently, high-efficiency computer room products have become the mainstream demand in the air-conditioning and refrigeration industry.

[0003] In the related art, the compression mode of the variable frequency centrifugal chiller compressor is a speed type compressor, which is different from a volume type compressor (such as a screw compressor). The speed type compressor requires a certain speed to maintain a certain compression ratio, resulting in a minimum speed limit for the compressor under certain operating conditions, thereby limiting the minimum load of the compressor under the current operating conditions. The volume type compressor does not need to use the speed to maintain the compression ratio, so the minimum load of the volume type compressor under the same operating conditions is much lower than that of the centrifuge. In order to solve the problem that the centrifuge load rate is difficult to drop significantly, guide vanes are added to the inlet of the variable frequency centrifuge, and the guide vane throttling method is used to control the compressor intake flow rate to achieve the purpose of reducing the minimum load. In general, the energy efficiency optimal range of the variable frequency centrifuge is a specific range. Due to the throttling effect of the guide vane, when the guide vane is too small or too large, the unit energy efficiency of the centrifuge drops sharply. For example, the centrifuge adjusts the unit load through the guide vane opening and the current percentage. When the unit load decreases, the guide vane opening decreases, the unit energy efficiency drops sharply, and the energy consumption increases significantly. When the guide vane is too small and the load rate is too low, the unit will also go into low-pressure protection, and the system reliability and stability will be greatly reduced.

[0004] With respect to the above-mentioned problems existing in the related technologies, no efficient and accurate solutions have been found yet. Summary of the invention

[0005] The present invention provides a compressor control method and device, an air conditioner, a storage medium, and an electronic device to solve the technical problems in the related art.

[0006] According to one embodiment of the present invention, a control method for a compressor is provided, comprising: detecting a first real-time guide vane opening and an initial load parameter of the compressor; judging whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the opening range of the guide vane when the compressor operates at an optimal energy efficiency condition; if the first real-time guide vane opening is not within the preset opening range, adjusting the initial load parameter of the compressor according to the first real-time guide vane opening so that the guide vane of the compressor operates within the preset opening range.

[0007] Optionally, adjusting the initial load parameters of the compressor according to the first real-time guide vane opening includes: if the first real-time guide vane opening is less than the minimum preset opening of the preset opening range, judging whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency; if the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency, increasing the initial operating frequency of the cooling component of the compressor; judging whether the initial chilled water outlet temperature of the compressor is greater than the lower temperature limit corresponding to the compressor operating in the indoor thermal comfort zone PMV; if the chilled water outlet temperature of the compressor is greater than the lower temperature limit, lowering the initial chilled water outlet temperature of the compressor, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0008] Optionally, increasing the initial operating frequency of the cooling component of the compressor includes: increasing the first initial operating frequency of the cooling tower fan of the compressor, and increasing the second initial operating frequency of the cooling pump of the compressor, wherein the cooling component includes the cooling tower fan and the cooling pump.

[0009] Optionally, adjusting the initial load parameters of the compressor according to the first real-time guide vane opening includes: if the first real-time guide vane opening is less than the minimum preset opening of the preset opening range, judging whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency; if the initial operating frequency of the cooling component of the compressor is greater than or equal to the maximum operating frequency, judging whether the initial chilled water outlet temperature of the compressor is greater than the lower temperature limit corresponding to the compressor operating in the indoor thermal comfort zone PMV; if the chilled water outlet temperature of the compressor is greater than the lower temperature limit, lowering the initial chilled water outlet temperature of the compressor, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0010] Optionally, adjusting the initial load parameters of the compressor according to the first real-time guide vane opening includes: if the first real-time guide vane opening is greater than the maximum preset opening of the preset opening range, obtaining the temperature upper limit value corresponding to the compressor operating in the indoor thermal comfort zone PMV; determining whether the initial chilled water outlet temperature of the compressor is less than the temperature upper limit value; if the initial chilled water outlet temperature of the compressor is less than the temperature upper limit value, increasing the initial chilled water outlet temperature of the compressor.

[0011] Optionally, after adjusting the initial load parameters of the compressor according to the first real-time guide vane opening, the method further includes: detecting the second real-time guide vane opening of the compressor; determining whether the second real-time guide vane opening is within the preset opening range; if the second real-time guide vane opening is within the preset opening range, restoring the compressor to the initial load parameters.

[0012] Optionally, after detecting the first real-time guide vane opening and initial load parameters of the compressor, the method further includes: determining whether the first real-time guide vane opening is less than the low-pressure protection opening; if the first real-time guide vane opening is less than the low-pressure protection opening, adjusting the initial operating frequency of the cooling component of the compressor to the maximum operating frequency, and lowering the initial chilled water outlet temperature of the compressor, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0013] According to another embodiment of the present invention, a control device for a compressor is provided, comprising: a first detection module, used to detect a first real-time guide vane opening and an initial load parameter of the compressor; a first judgment module, used to judge whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the opening range of the guide vane when the compressor operates at an optimal energy efficiency condition; and an adjustment module, used to adjust the initial load parameter of the compressor according to the first real-time guide vane opening if the first real-time guide vane opening is not within the preset opening range, so that the guide vane of the compressor operates within the preset opening range.

[0014] According to another embodiment of the present invention, an air conditioner is provided, comprising a compressor and a controller, wherein the controller comprises: a first detection module, configured to detect a first real-time guide vane opening and an initial load parameter of the compressor; a first judgment module, configured to judge whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the opening range of the guide vane when the compressor operates at an optimal energy efficiency condition; and an adjustment module, configured to adjust the initial load parameter of the compressor according to the first real-time guide vane opening if the first real-time guide vane opening is not within the preset opening range, so as to make the guide vane of the compressor operate within the preset opening range.

[0015] Optionally, the adjustment module includes: a first judgment unit, used to judge whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency if the first real-time guide vane opening is less than the minimum preset opening of the preset opening interval; a first increasing unit, used to increase the initial operating frequency of the cooling component of the compressor if the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency; a second judgment unit, used to judge whether the initial chilled water outlet temperature of the compressor is greater than the lower temperature limit corresponding to the compressor operating in the indoor thermal comfort zone PMV; a reducing unit, used to reduce the initial chilled water outlet temperature of the compressor if the chilled water outlet temperature of the compressor is greater than the lower temperature limit, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0016] Optionally, the first boosting unit includes: a first boosting subunit, used to boost a first initial operating frequency of a cooling tower fan of the compressor; and a second boosting subunit, used to boost a second initial operating frequency of a cooling pump of the compressor, wherein the cooling assembly includes the cooling tower fan and the cooling pump.

[0017] Optionally, the adjustment module includes: a first judgment unit, used to judge whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency if the first real-time guide vane opening is less than the minimum preset opening of the preset opening range; a third judgment unit, used to judge whether the initial chilled water outlet temperature of the compressor is greater than the lower temperature limit corresponding to the compressor operating in the indoor thermal comfort zone PMV if the initial operating frequency of the cooling component of the compressor is greater than or equal to the maximum operating frequency; a reduction unit, used to reduce the initial chilled water outlet temperature of the compressor if the chilled water outlet temperature of the compressor is greater than the lower temperature limit, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0018] Optionally, the adjustment module includes: an acquisition unit, used to obtain the temperature upper limit value corresponding to the compressor operating in the indoor thermal comfort zone PMV if the first real-time guide vane opening is greater than the maximum preset opening of the preset opening range; a fourth judgment unit, used to judge whether the initial chilled water outlet temperature of the compressor is less than the temperature upper limit value; a second increasing unit, used to increase the initial chilled water outlet temperature of the compressor if the initial chilled water outlet temperature of the compressor is less than the temperature upper limit value.

[0019] Optionally, the device also includes: a second detection module, used to detect the second real-time guide vane opening of the compressor after the adjustment module adjusts the initial load parameters of the compressor according to the first real-time guide vane opening; a second judgment module, used to judge whether the second real-time guide vane opening is within the preset opening range; and a recovery module, used to restore the compressor to the initial load parameter if the second real-time guide vane opening is within the preset opening range.

[0020] Optionally, the device also includes: a third judgment module, used to judge whether the first real-time guide vane opening and initial load parameters of the compressor are less than the low-pressure protection opening after the first detection module detects the first real-time guide vane opening and the initial load parameters of the compressor; a processing module, used to adjust the initial operating frequency of the cooling component of the compressor to the maximum operating frequency and reduce the initial chilled water outlet temperature of the compressor if the first real-time guide vane opening is less than the low-pressure protection opening, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0021] According to another aspect of an embodiment of the present application, a storage medium is further provided, which includes a stored program, and the above steps are executed when the program is run.

[0022] According to another aspect of an embodiment of the present application, there is also provided an electronic device, including a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other via the communication bus; wherein: the memory is used to store computer programs; and the processor is used to execute the steps in the above method by running the program stored in the memory.

[0023] According to yet another embodiment of the present invention, a storage medium is provided, in which a computer program is stored, wherein the computer program is configured to execute the steps of any of the above-mentioned device embodiments when running.

[0024] Through the embodiment of the present invention, the first real-time guide vane opening and the initial load parameter of the compressor are detected, and it is determined whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the opening range of the guide vane when the compressor operates in the optimal energy efficiency condition. If the first real-time guide vane opening is not within the preset opening range, the initial load parameter of the compressor is adjusted according to the first real-time guide vane opening so that the guide vane of the compressor operates within the preset opening range. When the guide vane opening of the compressor is not within the opening range of the optimal energy efficiency condition, the load of the compressor is dynamically adjusted by adjusting the initial load parameter of the compressor, thereby affecting the cooling capacity of the compressor, thereby affecting the guide vane opening of the compressor, so that it operates in the opening range of the optimal energy efficiency condition, thereby solving the technical problem of low energy efficiency of the compressor in the related art, improving the energy efficiency of the compressor, reducing energy consumption, and reducing energy costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0026] Figure 1 is a hardware structure block diagram of a compressor according to an embodiment of the present invention;

[0027] Figure 2 is a flow chart of a method for controlling a compressor according to an embodiment of the present invention;

[0028] Figure 3 is a schematic diagram of a compressor in an embodiment of the present invention;

[0029] Figure 4 is a flow chart of guide vane opening control in an embodiment of the present invention;

[0030] Figure 5 It is a structural block diagram of a compressor control device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] Example 1

[0034] The method embodiment provided in the first embodiment of the present application can be executed in an air conditioner, a compressor, a compressor guide vane controller or a similar equipment management device. Taking running on a compressor as an example, Figure 1 1 is a hardware structure block diagram of a compressor according to an embodiment of the present invention. Figure 1 As shown, the compressor may include one or more ( Figure 1 Only one is shown in the figure) a processor 102 (the processor 102 may include but is not limited to a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 104 for storing data. Optionally, the compressor may also include a transmission device 106 and an input / output device 108 for communication functions. It can be understood by those skilled in the art that Figure 1 The structure shown is only for illustration and does not limit the structure of the above compressor. Figure 1 More or fewer components as shown, or with Figure 1 Different configurations shown.

[0035] The memory 104 can be used to store compressor programs, for example, software programs and modules of application software, such as a compressor program corresponding to a control method of a compressor in an embodiment of the present invention. The processor 102 executes various functional applications and data processing by running the compressor program stored in the memory 104, that is, to implement the above method. The memory 104 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include a memory remotely arranged relative to the processor 102, and these remote memories may be connected to the compressor via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0036] The transmission device 106 is used to receive or send data via a network. The specific example of the above network may include a wireless network provided by the communication provider of the compressor. In one example, the transmission device 106 includes a network adapter (Network Interface Controller, referred to as NIC), which can be connected to other network devices through a base station so as to communicate with the Internet. In one example, the transmission device 106 can be a radio frequency (Radio Frequency, referred to as RF) module, which is used to communicate with the Internet wirelessly.

[0037] In this embodiment, a method for controlling a compressor is provided. Figure 2 is a flow chart of a method for controlling a compressor according to an embodiment of the present invention. Figure 2 As shown, the process includes the following steps:

[0038] Step S202, detecting a first real-time guide vane opening and an initial load parameter of the compressor;

[0039] Optionally, the compressor of this embodiment includes any type of compressor with guide vanes, such as a centrifugal compressor, a combination of a variable frequency centrifugal machine and a fixed frequency screw machine, a combination of a variable frequency centrifugal unit and a variable frequency screw unit, etc.

[0040] The initial load parameter of this embodiment is the load parameter when the compressor is running at the first real-time guide vane opening. After subsequent adjustment, the initial load parameter may change. Optionally, the initial load parameter includes the working parameters of the condenser and the evaporator, such as initial operating parameters such as initial cooling parameters and initial freezing parameters, initial cooling parameters such as the operating frequency of the cooling pump and the operating frequency of the cooling tower fan, and initial freezing parameters such as the freezing water outlet temperature.

[0041] Step S204, determining whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the guide vane opening range when the compressor operates at an optimal energy efficiency condition;

[0042] Optionally, the preset opening range is 50% to 55%, and there are differences between compressors of different models. Optionally, the preset opening range corresponds to the optimal load rate range of the compressor. If the load rate of the energy efficiency optimal range is 50% to 55%, the preset opening range is 50% to 55%.

[0043] Step S206: If the first real-time guide vane opening is not within a preset opening range, adjusting the initial load parameter of the compressor according to the first real-time guide vane opening so that the guide vane of the compressor operates within the preset opening range.

[0044] Through the above steps, the first real-time guide vane opening and the initial load parameter of the compressor are detected, and it is determined whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the opening range of the guide vane when the compressor operates in the optimal energy efficiency condition. If the first real-time guide vane opening is not within the preset opening range, the initial load parameter of the compressor is adjusted according to the first real-time guide vane opening so that the guide vane of the compressor operates within the preset opening range. When the guide vane opening of the compressor is not within the opening range of the optimal energy efficiency condition, the load of the compressor is dynamically adjusted by adjusting the initial load parameter of the compressor, thereby affecting the cooling capacity of the compressor, thereby affecting the guide vane opening of the compressor, so that it operates in the opening range of the optimal energy efficiency condition, thereby solving the technical problem of low energy efficiency of the compressor in the related technology, improving the energy efficiency of the compressor, reducing energy consumption, and reducing energy costs.

[0045] Take the centrifugal chiller as an example. Figure 3 It is a schematic diagram of the compressor in the embodiment of the present invention, including a chiller 1, a refrigeration pump 2, a flow meter 3, a temperature sensor 4, a cooling tower 5, a cooling pump 6, and the end user is an indoor unit or an indoor air outlet. The system includes cooling water and a chilled water loop. The evaporation side of the unit is connected to the chilled water loop. Low-temperature chilled water is supplied from the unit to the end user for heat exchange to achieve cooling, and then transported back to the evaporation side of the unit by the refrigeration pump 2; the condensation side is connected to the cooling water loop. The cooling water is transported from the unit condenser to the cooling tower 5 under the power of the cooling pump 6 to dissipate heat, and then returns to the unit to continue heat exchange.

[0046] In one implementation of the present embodiment, adjusting the initial load parameters of the compressor according to the first real-time guide vane opening includes: if the first real-time guide vane opening is less than the minimum preset opening of the preset opening range, judging whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency; if the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency, increasing the initial operating frequency of the cooling component of the compressor; judging whether the initial chilled water outlet temperature of the compressor is greater than the lower temperature limit corresponding to the compressor operating in the indoor thermal comfort zone PMV; if the chilled water outlet temperature of the compressor is greater than the lower temperature limit, lowering the initial chilled water outlet temperature of the compressor, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0047] Optionally, the minimum preset opening of the preset opening range is 50%.

[0048] The indoor temperature range [Tmin, Tmax] and indoor humidity range [dmin, dmax] corresponding to the PMV (Predicted Mean Vote) comfort zone in this embodiment are, and the upper limit value Tomax and the lower limit value Tomin are set for the unit's chilled water outlet temperature; wherein, the temperature and humidity range corresponding to the PMV comfort zone is set according to the thermal environment of the actual project, and the upper limit value and lower limit value of the unit's chilled water outlet temperature are set according to actual project requirements.

[0049] Optionally, before adjusting the initial load parameters of the compressor according to the first real-time guide vane opening, it also includes: obtaining the real-time terminal temperature and the real-time terminal humidity of the compressor, judging whether the real-time terminal temperature is within the indoor temperature range corresponding to the PMV, and judging whether the real-time terminal humidity is within the indoor humidity range corresponding to the PMV; if the real-time terminal temperature is within the indoor temperature range corresponding to the PMV, and the real-time terminal humidity is within the indoor humidity range corresponding to the PMV, then determining to adjust the initial load parameters of the compressor according to the first real-time guide vane opening; if the real-time terminal temperature is not within the indoor temperature range corresponding to the PMV, or the real-time terminal humidity is not within the indoor humidity range corresponding to the PMV, it is prohibited to adjust the initial load parameters of the compressor.

[0050] In this embodiment, Kd represents the guide vane opening of the unit, Ti and di represent the current indoor temperature and humidity respectively, and Tout represents the set value of the unit's chilled water outlet temperature. If 40%≤Kd<50%, it is judged that Tmin<Ti<Tmax and dmin<di<dmax. If so, proceed to the next step, increase the initial operating frequency of the cooling component of the compressor, and proceed to the next step; judge that Tout+Δt>Tomin, if so, proceed to the next step and set Tout=Tout+Δt.

[0051] Among them, Δt is the increment of chilled water outlet temperature, which is taken according to the guide vane opening operation strategy table. Table 1 shows the mapping relationship between the real-time guide vane opening and the increment of chilled water outlet temperature, as shown in Table 1:

[0052] Table 1

[0053] Kd / % ＜40 40～45 45～50 50～55 55～75 75～95 95～100 Δt / ℃ －0.3 －0.2 －0.1 0 0.1 0.2 0.3

[0054] By adopting the solution of this embodiment, when the first real-time guide vane opening of the compressor is less than the minimum preset opening of the opening range corresponding to the optimal energy efficiency condition, the initial operating frequency of the cooling component is increased, the heat exchange flow and heat exchange efficiency of the condenser are increased, and the heat exchange amount of the condenser is increased. At the same time, by lowering the initial chilled water outlet temperature of the compressor, the cooling capacity of the evaporator is increased, the load is increased, and thus the demand for intake air flow is increased, the guide vane opening of the compressor can be dynamically increased, so that the compressor can operate stably under high energy efficiency conditions.

[0055] In one example, increasing the initial operating frequency of the cooling component of the compressor includes: increasing a first initial operating frequency of a cooling tower fan of the compressor, and increasing a second initial operating frequency of a cooling pump of the compressor, wherein the cooling component includes the cooling tower fan and the cooling pump.

[0056] In this example, Fq represents the operating frequency of the cooling pump, and Ft represents the operating frequency of the cooling tower fan. Let Fq = Fq + Δfq, Ft = Ft + Δft, where Δfq is the operating frequency increment of the cooling pump, which is selected according to the actual project situation, and the default value is 3Hz; where Δft is the operating frequency increment of the cooling tower fan, which is selected according to the actual project situation, and the default value is 3Hz.

[0057] By adopting the solution of this example, by simultaneously increasing the operating frequency of the cooling pump and the cooling tower fan, the heat exchange flow and heat exchange efficiency of the cooling pump and the cooling tower are increased, the load is increased, thereby increasing the air intake volume of the compressor and increasing the guide vane opening of the compressor.

[0058] In another implementation of the present embodiment, adjusting the initial load parameters of the compressor according to the first real-time guide vane opening includes: if the first real-time guide vane opening is less than the minimum preset opening of the preset opening range, judging whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency; if the initial operating frequency of the cooling component of the compressor is greater than or equal to the maximum operating frequency, judging whether the initial chilled water outlet temperature of the compressor is greater than the lower temperature limit corresponding to the compressor operating in the indoor thermal comfort zone PMV; if the chilled water outlet temperature of the compressor is greater than the lower temperature limit, lowering the initial chilled water outlet temperature of the compressor, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0059] Determine Tmin<Ti<Tmax and dmin<di<dmax, if yes, proceed to the next step, determine Fq≥Fqmax or Ft≥Ftmax, if yes, determine Tout+Δt>Tomin, if yes, proceed to the next step, let Tout=Tout+Δt,

[0060] By adopting the solution of this embodiment, the initial operating frequency of the cooling component of the compressor is greater than or equal to the maximum operating frequency, and the current operating frequency of the cooling component is maintained. The guide vane opening of the compressor is increased by lowering the initial chilled water outlet temperature of the compressor. The guide vane opening of the compressor can be increased while the operating frequency of the cooling component remains unchanged, thereby improving robustness.

[0061] In an implementation scenario of the present embodiment, adjusting the initial load parameters of the compressor according to the first real-time guide vane opening includes: if the first real-time guide vane opening is greater than the maximum preset opening of the preset opening range, obtaining the temperature upper limit value corresponding to the compressor operating in the indoor thermal comfort zone PMV; determining whether the initial chilled water outlet temperature of the compressor is less than the temperature upper limit value; if the initial chilled water outlet temperature of the compressor is less than the temperature upper limit value, increasing the initial chilled water outlet temperature of the compressor.

[0062] Optionally, the maximum preset opening of the preset opening range is 55%.

[0063] In this implementation scenario, if Kd>55%, it is judged that Tmin<Ti<Tmax and dmin<di<dmax, if so, proceed to the next step, and it is judged that Tout+Δt<Tomax, if so, proceed to the next step, and let Tout=Tout+Δt. Optionally, Δt is a variable value, which can be selected as 0.1, 0.2, 0.3. The larger the opening of the first real-time guide vane, the larger the value of Δt, which is positively correlated.

[0064] By adopting the solution of this implementation scenario, when the first real-time guide vane opening of the compressor is greater than the maximum preset opening of the opening range corresponding to the optimal energy efficiency condition, the initial chilled water outlet temperature of the compressor is increased, the heat exchange rate and efficiency of the evaporator are reduced, the load is reduced, and the intake air flow is reduced. The guide vane opening of the compressor can be dynamically reduced, so that the compressor can operate stably under high energy efficiency conditions.

[0065] In an implementation scenario of the present embodiment, after detecting the first real-time guide vane opening and initial load parameters of the compressor, it also includes: determining whether the first real-time guide vane opening is less than the low-pressure protection opening; if the first real-time guide vane opening is less than the low-pressure protection opening, adjusting the initial operating frequency of the cooling component of the compressor to the maximum operating frequency, and lowering the initial chilled water outlet temperature of the compressor, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0066] Optionally, the low pressure protection opening is 40%.

[0067] In this implementation scenario, if the first real-time guide vane opening is less than the low-pressure protection opening, a warning message is output to notify that there is a low-pressure protection risk. Let Fq=Fqmax, Ft=Ftmax, and let Tout=Tout+Δt. Optionally, Δt takes a value of -0.3.

[0068] The low-pressure protection of the compressor unit is that when the cooling capacity is too low, the guide vane opening is first closed to the minimum limit. If it cannot be closed, the current percentage continues to decrease. When it decreases to the minimum limit of the current percentage, the unit will shut down for low-pressure protection. Among them, the minimum limit of the current percentage is affected by the evaporation and condensation pressure ratio, that is, the difference between the evaporation and condensation temperatures. The smaller the difference, the lower the minimum limit of the current percentage. Adjusting the operating frequency of the cooling component can increase the heat exchange flow and heat exchange efficiency of the condenser, reduce the cooling water inlet temperature of the unit, thereby reducing the condensing temperature, reducing the power percentage limit, and reducing the minimum limit of the current percentage, so that the unit will not trigger the low-pressure protection. At the same time, the reduction in condensation temperature will also increase the refrigeration efficiency and increase the cooling capacity, thereby affecting the increase in the guide vane opening, so that the guide vane opening is not at the minimum limit, and the unit will not reduce the current by 100%, thereby triggering the low-pressure protection.

[0069] By adopting the solution of this implementation scenario, when the first real-time guide vane opening is too low to trigger the low-pressure protection, the operating frequency of the cooling component is controlled to increase and the chilled water outlet temperature is reduced. The guide vane opening of the operating unit can be dynamically increased and the minimum current percentage limit for triggering the low-pressure protection shutdown can be reduced. This can ensure that the unit can operate stably under low load and avoid frequent starting of the compressor when the guide vane opening is extremely low.

[0070] In this embodiment, after adjusting the initial load parameters of the compressor according to the first real-time guide vane opening, it also includes: detecting the second real-time guide vane opening of the compressor; determining whether the second real-time guide vane opening is within the preset opening range; if the second real-time guide vane opening is within the preset opening range, restoring the compressor to the initial load parameters.

[0071] Optionally, after adjusting the initial load parameter of the compressor according to the first real-time guide vane opening and controlling the compressor to operate for a cycle time (such as 20 minutes) based on the adjusted target load parameter, the second real-time guide vane opening of the compressor is detected again. If the second real-time guide vane opening is within the preset opening range, the target load parameter is restored to the initial load parameter. If the second real-time guide vane opening is not within the preset opening range, the adjustment is continued until the real-time guide vane opening is within the preset opening range.

[0072] For example, if the first real-time guide vane opening Kd is less than 40%, there is a risk of low pressure protection. Then adjust the initial load parameters of the compressor, adjust Fq to Fqmax=50Hz, and Ft to Ftmax=50Hz. At this time, the initial T0=7℃, Tout=7-0.3=6.7℃, and judge Kd>40% after 20 minutes? If not, return to the previous step again, Tout=6.7-0.3=6.4℃; judge Kd>40% after 20 minutes? If yes, restore the initial load parameters, set Tout=T0=7℃, Fq=Fq0=30Hz, Ft=Ft0=30Hz, and re-judge Kd after an interval of 20 minutes; and so on for other guide vane opening conditions.

[0073] By adopting the solution of this embodiment, after dynamically adjusting the real-time guide vane opening of the compressor, if the real-time guide vane opening has been adjusted to within the preset opening range, the compressor is restored to the initial load parameters. This can control the compressor guide vane opening while ensuring the normal operating capacity of the compressor without affecting the normal control logic and user experience of the compressor.

[0074] This embodiment proposes a low-pressure protection diagnostic device based on guide vane opening and an outlet water temperature reset control method. The guide vane opening of the unit is monitored through an intelligent diagnostic mechanism. When there is a low-pressure protection risk in the unit, the operating frequency of the cooling pump and the cooling tower fan and the outlet water temperature of the unit are controlled, and the guide vane opening of the operating unit is dynamically adjusted to ensure that the unit can operate stably under low load. At the same time, based on the indoor thermal comfort PMV and the guide vane opening, the unit's chilled water outlet temperature is reset to improve the unit's energy efficiency. Figure 4 : is a flow chart of guide vane opening control in an embodiment of the present invention, including:

[0075] Step 1: Read system parameters: unit guide vane opening Kd, current indoor temperature and humidity Ti, di, cooling pump operating frequency Fq, cooling tower fan operating frequency Ft, cooling pump current operating frequency Fq0, cooling tower fan current operating frequency Ft0, cooling pump maximum operating frequency Fqmax, cooling tower fan maximum operating frequency Ftmax, unit chilled water outlet temperature initial setting value T0, unit chilled water outlet temperature setting value Tout;

[0076] For example, the system parameters are read as follows: Kd=38%, Ti=26°C, di=60%, Fq=30Hz, Ft=30Hz, Fq0=30Hz, Ft0=30Hz, Fqmax=50Hz, Ftmax=50Hz, T0=7°C, Tout=7°C; Fq0, Ft0, T0 are initial load parameters.

[0077] Step 2: Enter the temperature and humidity range [Tmin, Tmax], [dmin, dmax] corresponding to the PMV comfort zone, and the upper limit value Tomax and lower limit value Tomin of the chilled water outlet temperature of the unit; the temperature and humidity range corresponding to the PMV comfort zone is set according to the actual thermal environment of the project; the setting limit value of the chilled water outlet temperature of the unit is set according to the actual project requirements;

[0078] For example, input: Tmin = 25°C, Tmax = 27°C, dmin = 50%, dmax = 70%, Tomax = 6°C, Tomin = 8°C;

[0079] Step 3: Determine the guide vane opening of the unit. If Kd < 40%, go to step 4; if 40% ≤ Kd < 50%, go to step 10; if Kd > 55%, go to step 17; if 50% ≤ Kd ≤ 55%, do not adjust (high efficiency), and re-enter step 3 after an interval of time t;

[0080] Among them, the time t is selected according to the actual project situation. The time t mentioned below can be selected according to the actual situation. The default value is 20min;

[0081] Step 4: Output warning information: There is a low voltage protection risk, go to the next step;

[0082] Step 5: Let Fq = Fqmax, Ft = Ftmax, and proceed to the next step;

[0083] Step 6: Let Tout = Tout + Δt, and proceed to the next step after time t; wherein Δt is the chilled water outlet temperature increment, and the value is taken according to the guide vane opening operation strategy table as shown in Table 1 above;

[0084] Step 7: Determine if Kd>40%, if yes, proceed to the next step, otherwise return to step 6;

[0085] Step 8: Let Tout = T0, Fq = Fq0, Ft = Ft0, and proceed to the next step;

[0086] Step 9: After an interval of time t, re-enter step 3 to determine the guide vane opening of the unit;

[0087] Step 10: Determine whether Tmin<Ti<Tmax and dmin<di<dmax. If yes, proceed to the next step. Otherwise, do not make any adjustment and re-enter step 3 after a time interval of t.

[0088] Step 11: Determine whether Fq<Fqmax or Ft<Ftmax, if yes, proceed to the next step, otherwise proceed to step 13;

[0089] Step 12: Let Fq = Fq + Δfq, Ft = Ft + Δft, and proceed to the next step;

[0090] Among them, Δfq is the cooling pump operating frequency increment, which is selected according to the actual project situation, and the default value is 3Hz;

[0091] Among them, Δft is the cooling tower fan operating frequency increment, which is selected according to the actual project situation, and the default value is 3Hz;

[0092] Step 13: Determine whether Tout+Δt>Tomin, if yes, proceed to the next step, otherwise, do not make any adjustment and re-enter step 3 after an interval of t time;

[0093] Step 14: Let Tout = Tout + Δt, and proceed to the next step after time t;

[0094] Step 15: Determine if Kd>50%, if yes, proceed to the next step, otherwise return to step 10;

[0095] Step 16: Let Tout = T0, Fq = Fq0, Ft = Ft0, and re-enter step 3 after an interval of t time;

[0096] Step 17: Determine whether Tmin<Ti<Tmax and dmin<di<dmax. If yes, proceed to the next step. Otherwise, do not make any adjustment and re-enter step 3 after a time interval of t.

[0097] Step 18: Determine whether Tout+Δt<Tomax. If yes, proceed to the next step. Otherwise, do not make any adjustment and re-enter step 3 after a time interval of t.

[0098] Step 19: Let Tout = Tout + Δt, and proceed to the next step after time t;

[0099] Step 20: Determine if Kd is less than 55%, if so, proceed to the next step, otherwise return to step 17;

[0100] Step 21: Let Tout = T0, and re-enter step 3 after an interval of time t.

[0101] By adopting the scheme of this embodiment, the compressor adjusts the unit load through the guide vane opening and the current percentage. When the unit load is reduced, the guide vane opening is reduced, the unit energy efficiency drops sharply, and the energy consumption increases significantly. When the unit load is too low, the unit is shut down for low-pressure protection. Especially in the transition season, the unit load is in a critical state, the unit is frequently started and stopped, and the system reliability and stability are greatly reduced. By real-time monitoring of the guide vane opening, the operating frequency and outlet water temperature of the cooling pump and cooling tower fan are adjusted in time, and low-pressure protection is effectively avoided to ensure stable operation of the system. While ensuring the improvement of energy efficiency and indoor comfort, the guide vane opening and outlet water temperature are dynamically optimized to improve energy efficiency, reduce energy consumption, and reduce costs. It not only improves the reliability and stability of the system, but also extends the life of the equipment, with significant economic benefits.

[0102] Through the description of the above implementation methods, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal device (which can be a mobile phone, a computer, a compressor, or a network device, etc.) to execute the methods described in each embodiment of the present invention.

[0103] Example 2

[0104] In this embodiment, a control device for a compressor and an air conditioner are also provided. The device is used to implement the above-mentioned embodiments and preferred implementation modes, and the descriptions that have been made are not repeated. As used below, the term "module" can implement a combination of software and hardware of a predetermined function. Although the device described in the following embodiments is preferably implemented in software, the implementation of hardware, or a combination of software and hardware, can also be conceived.

[0105] Figure 5 is a structural block diagram of a compressor control device according to an embodiment of the present invention. Figure 5 As shown, including:

[0106] A first detection module 50, used to detect a first real-time guide vane opening and an initial load parameter of the compressor;

[0107] A first judgment module 52 is used to judge whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the guide vane opening range when the compressor operates at an optimal energy efficiency condition;

[0108] The adjustment module 54 is configured to adjust the initial load parameter of the compressor according to the first real-time guide vane opening if the first real-time guide vane opening is not within the preset opening range, so that the guide vane of the compressor operates within the preset opening range.

[0109] Optionally, the adjustment module includes: a first judgment unit, used to judge whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency if the first real-time guide vane opening is less than the minimum preset opening of the preset opening interval; a first increasing unit, used to increase the initial operating frequency of the cooling component of the compressor if the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency; a second judgment unit, used to judge whether the initial chilled water outlet temperature of the compressor is greater than the lower temperature limit corresponding to the compressor operating in the indoor thermal comfort zone PMV; a reducing unit, used to reduce the initial chilled water outlet temperature of the compressor if the chilled water outlet temperature of the compressor is greater than the lower temperature limit, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0110] Optionally, the first boosting unit includes: a first boosting subunit, used to boost a first initial operating frequency of a cooling tower fan of the compressor; and a second boosting subunit, used to boost a second initial operating frequency of a cooling pump of the compressor, wherein the cooling assembly includes the cooling tower fan and the cooling pump.

[0111] Optionally, the adjustment module includes: a first judgment unit, used to judge whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency if the first real-time guide vane opening is less than the minimum preset opening of the preset opening range; a third judgment unit, used to judge whether the initial chilled water outlet temperature of the compressor is greater than the lower temperature limit corresponding to the compressor operating in the indoor thermal comfort zone PMV if the initial operating frequency of the cooling component of the compressor is greater than or equal to the maximum operating frequency; a reduction unit, used to reduce the initial chilled water outlet temperature of the compressor if the chilled water outlet temperature of the compressor is greater than the lower temperature limit, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0112] Optionally, the adjustment module includes: an acquisition unit, used to obtain the temperature upper limit value corresponding to the compressor operating in the indoor thermal comfort zone PMV if the first real-time guide vane opening is greater than the maximum preset opening of the preset opening range; a fourth judgment unit, used to judge whether the initial chilled water outlet temperature of the compressor is less than the temperature upper limit value; a second increasing unit, used to increase the initial chilled water outlet temperature of the compressor if the initial chilled water outlet temperature of the compressor is less than the temperature upper limit value.

[0113] Optionally, the device also includes: a second detection module, used to detect the second real-time guide vane opening of the compressor after the adjustment module adjusts the initial load parameters of the compressor according to the first real-time guide vane opening; a second judgment module, used to judge whether the second real-time guide vane opening is within the preset opening range; and a recovery module, used to restore the compressor to the initial load parameter if the second real-time guide vane opening is within the preset opening range.

[0114] Optionally, the device also includes: a third judgment module, used to judge whether the first real-time guide vane opening and initial load parameters of the compressor are less than the low-pressure protection opening after the first detection module detects the first real-time guide vane opening and the initial load parameters of the compressor; a processing module, used to adjust the initial operating frequency of the cooling component of the compressor to the maximum operating frequency and reduce the initial chilled water outlet temperature of the compressor if the first real-time guide vane opening is less than the low-pressure protection opening, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

[0115] An embodiment also provides an air conditioner, comprising a compressor and a controller, wherein the controller comprises: a first detection module, used to detect a first real-time guide vane opening and an initial load parameter of the compressor; a first judgment module, used to judge whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the opening range of the guide vane when the compressor operates at an optimal energy efficiency condition; an adjustment module, used to adjust the initial load parameter of the compressor according to the first real-time guide vane opening if the first real-time guide vane opening is not within the preset opening range, so that the guide vane of the compressor operates within the preset opening range.

[0116] It should be noted that the above modules can be implemented by software or hardware. For the latter, it can be implemented in the following ways, but not limited to: the above modules are all located in the same processor; or the above modules are located in different processors in any combination.

[0117] Example 3

[0118] An embodiment of the present invention further provides a storage medium, in which a computer program is stored, wherein the computer program is configured to execute the steps of any of the above method embodiments when running.

[0119] Optionally, in this embodiment, the above storage medium may be configured to store a computer program for executing:

[0120] S1, detecting the first real-time guide vane opening and initial load parameters of the compressor;

[0121] S2, determining whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the guide vane opening range when the compressor operates at an optimal energy efficiency condition;

[0122] S3: If the first real-time guide vane opening is not within a preset opening range, adjusting the initial load parameter of the compressor according to the first real-time guide vane opening so that the guide vane of the compressor operates within the preset opening range.

[0123] Optionally, in this embodiment, the above-mentioned storage medium may include but is not limited to: a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk or an optical disk, and other media that can store computer programs.

[0124] An embodiment of the present invention further provides an electronic device, including a memory and a processor, wherein a computer program is stored in the memory, and the processor is configured to run the computer program to execute the steps in any one of the above method embodiments.

[0125] Optionally, the electronic device may further include a transmission device and an input / output device, wherein the transmission device is connected to the processor, and the input / output device is connected to the processor.

[0126] Optionally, in this embodiment, the processor may be configured to perform the following steps through a computer program:

[0127] S1, detecting the first real-time guide vane opening and initial load parameters of the compressor;

[0128] S2, determining whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the guide vane opening range when the compressor operates at an optimal energy efficiency condition;

[0129] S3: If the first real-time guide vane opening is not within a preset opening range, adjusting the initial load parameter of the compressor according to the first real-time guide vane opening so that the guide vane of the compressor operates within the preset opening range.

[0130] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation modes, and this embodiment will not be described in detail here.

[0131] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0132] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0133] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only schematic, for example, the division of units is only a logical function division, and there may be other division methods in actual implementation, for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0134] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0135] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0136] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, a controller or a network device, etc.) to perform all or part of the steps of each embodiment method of the present application. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, disk or optical disk, etc., various media that can store program codes.

[0137] The above are only preferred implementations of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A method for controlling a compressor, characterized in that: include: Detecting a first real-time guide vane opening and an initial load parameter of the compressor; Determining whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the guide vane opening range when the compressor operates at an optimal energy efficiency condition; If the first real-time guide vane opening is not within a preset opening range, the initial load parameter of the compressor is adjusted according to the first real-time guide vane opening so that the guide vane of the compressor operates within the preset opening range.

2. The method according to claim 1, characterized in that Adjusting the initial load parameter of the compressor according to the first real-time guide vane opening includes: If the first real-time guide vane opening is less than the minimum preset opening of the preset opening interval, determining whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency; If the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency, increasing the initial operating frequency of the cooling component of the compressor; Determine whether the initial chilled water outlet temperature of the compressor is greater than the lower limit of the temperature corresponding to the indoor thermal comfort zone PMV of the compressor; If the chilled water outlet temperature of the compressor is greater than the lower limit of the temperature, the initial chilled water outlet temperature of the compressor is reduced, wherein the initial load parameter includes the initial operating frequency and the initial chilled water outlet temperature.

3. The method according to claim 2, characterized in that Increasing the initial operating frequency of the cooling assembly of the compressor includes: A first initial operating frequency of a cooling tower fan of the compressor is increased, and a second initial operating frequency of a cooling pump of the compressor is increased, wherein the cooling assembly includes the cooling tower fan and the cooling pump.

4. The method according to claim 1, characterized in that: Adjusting the initial load parameter of the compressor according to the first real-time guide vane opening includes: If the first real-time guide vane opening is less than the minimum preset opening of the preset opening interval, determining whether the initial operating frequency of the cooling component of the compressor is less than the maximum operating frequency; If the initial operating frequency of the cooling component of the compressor is greater than or equal to the maximum operating frequency, determine whether the initial chilled water outlet temperature of the compressor is greater than the lower limit of the temperature corresponding to the indoor thermal comfort zone PMV of the compressor; If the chilled water outlet temperature of the compressor is greater than the lower limit of the temperature, the initial chilled water outlet temperature of the compressor is reduced, wherein the initial load parameter includes the initial operating frequency and the initial chilled water outlet temperature.

5. The method according to claim 1, characterized in that Adjusting the initial load parameter of the compressor according to the first real-time guide vane opening includes: If the first real-time guide vane opening is greater than the maximum preset opening of the preset opening interval, obtaining the temperature upper limit value corresponding to the compressor operating in the indoor thermal comfort zone PMV; Determining whether the initial chilled water outlet temperature of the compressor is less than the upper temperature limit; If the initial chilled water outlet temperature of the compressor is lower than the upper temperature limit, the initial chilled water outlet temperature of the compressor is increased.

6. The method according to claim 1, characterized in that After adjusting the initial load parameter of the compressor according to the first real-time guide vane opening, the method further includes: detecting a second real-time guide vane opening of the compressor; Determining whether the second real-time guide vane opening is within the preset opening range; If the second real-time guide vane opening is within the preset opening range, the compressor is restored to the initial load parameter.

7. The method according to claim 1, characterized in that After detecting the first real-time guide vane opening and the initial load parameter of the compressor, the method further includes: Determining whether the first real-time guide vane opening is less than the low-pressure protection opening; If the first real-time guide vane opening is less than the low-pressure protection opening, the initial operating frequency of the cooling component of the compressor is adjusted to the maximum operating frequency, and the initial chilled water outlet temperature of the compressor is reduced, wherein the initial load parameters include the initial operating frequency and the initial chilled water outlet temperature.

8. A compressor control device, characterized in that: include: A first detection module, used to detect a first real-time guide vane opening and an initial load parameter of the compressor; a first judgment module, configured to judge whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the guide vane opening range when the compressor operates at an optimal energy efficiency condition; The adjustment module is used to adjust the initial load parameter of the compressor according to the first real-time guide vane opening if the first real-time guide vane opening is not within the preset opening range, so that the guide vane of the compressor operates within the preset opening range.

9. An air conditioner, characterized in that: The air conditioner comprises a compressor and a controller, wherein the controller comprises: A first detection module, used to detect a first real-time guide vane opening and an initial load parameter of the compressor; a first judgment module, configured to judge whether the first real-time guide vane opening is within a preset opening range, wherein the preset opening range is the guide vane opening range when the compressor operates at an optimal energy efficiency condition; The adjustment module is used to adjust the initial load parameter of the compressor according to the first real-time guide vane opening if the first real-time guide vane opening is not within the preset opening range, so that the guide vane of the compressor operates within the preset opening range.

10. A storage medium, characterized in that: A computer program is stored in the storage medium, wherein the computer program is configured to execute the steps of the compressor control method according to any one of claims 1 to 7 when executed.

11. An electronic device comprising a processor, a communication interface, a memory and a communication bus, wherein: The processor, the communication interface, and the memory communicate with each other via a communication bus; in: Memory, used to store computer programs; A processor, configured to execute the steps of the compressor control method according to any one of claims 1 to 7 by running a program stored in a memory.

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