CN116221867A - an air conditioning system - Google Patents

Abstract

The application discloses an air conditioning system, including: a compressor; a first temperature detection element, which is used to detect the temperature of the oil pool of the compressor; a solar power generation module, which is used to convert solar energy into electrical energy and store it; a thermal module, which is used to convert solar energy into thermal energy and store it; a control module, which is configured to control the solar power generation module and the solar thermal storage module respectively to the oil pool according to the temperature of the oil pool before the compressor is started; preheating state. The air conditioning system of the present invention improves the utilization rate of solar energy and greatly prolongs the warm-up time by arranging the solar power generation module and the solar heat storage module. According to the temperature of the compressor oil pool, the solar power generation module or the solar thermal storage module is selected for preheating, making full use of the advantages of high heat conversion rate and fast heating speed of the solar power generation module and the advantages of large energy storage and long heating duration of the solar thermal storage module .

Description

an air conditioning system

technical field

The invention belongs to the technical field of air conditioners.

Background technique

In the air-conditioning system, when the compressor is started under low temperature conditions or restarted after a long period of stoppage, it is most likely to have an air-oil phenomenon. This is because a large amount of refrigerant will migrate due to the low temperature, and the refrigerant migrates to the compressor. The interior will fuse with the lubricating oil, and the lower the temperature, the higher the solubility of the refrigerant and lubricating oil. As the temperature continues to drop, the refrigerant will continue to migrate, so that the refrigerant will be fully mixed with the lubricating oil in the compressor. Therefore, when the air conditioning system starts, a large amount of lubricating oil inside the compressor will be discharged from the compressor along with the refrigerant. At the same time, in a low temperature environment, due to the difference in density between the refrigerant and the lubricating oil, there will be a stratification phenomenon where the refrigerant is on the bottom and the lubricating oil is on the top. As a result, when the compressor is working, the lubricating oil on the top cannot pass through immediately. The oil return hole enters the interior of the compressor, causing the oil in the compressor to be gradually consumed, resulting in an oil-empty condition in the compressor, which eventually leads to insufficient lubrication of the compressor, which affects the stable and reliable operation of the air conditioning system.

The current solution to this problem is to install a set of electric heating bands for heating the lubricating oil in the crankcase of the compressor, and heat the lubricating oil through the electric heating bands to increase the temperature of the lubricating oil, thereby avoiding the migration of the refrigerant. However, this preheating method has low efficiency, long preheating time, poor user experience, fixed heating power, and high energy consumption, and is often complained by users.

Contents of the invention

The present invention aims at the technical problem in the prior art that the refrigerant is prone to migrate when the air conditioner compressor is started at low temperature, resulting in the oil shortage operation of the compressor, thereby affecting the reliability of the air conditioner system, and proposes an air conditioner system that can solve the above problems.

In order to achieve the above-mentioned purpose of the invention, the present invention adopts the following technical solutions to achieve:

An air conditioning system comprising:

compressor;

a first temperature detection element, which is used to detect the temperature of the oil pool of the compressor;

A solar power generation module for converting solar energy into electrical energy and storing it;

A solar thermal storage module for converting solar energy into thermal energy and storing it;

The control module is configured to control the preheating state of the oil pool by the solar power generation module and the solar heat storage module respectively according to the temperature of the oil pool before the compressor is started.

In some embodiments, when the temperature of the oil pool does not reach the middle limit of the preset temperature, the control turns on the solar power generation module to preheat the oil pool;

When the temperature of the oil pool reaches the middle limit value of the preset temperature, control to turn on the solar heat storage module to preheat the oil pool;

When the temperature of the oil pool reaches the upper limit of the preset temperature, the control turns off the solar power generation module and the solar heat storage module, and does not preheat the oil pool.

In some embodiments, the air conditioning system also includes:

The heating belt, the control module controls the solar power generation module to preheat the oil pool by controlling the solar power generation module to supply power to the heating belt.

In some embodiments, there are multiple heating belts, and the control module further includes controlling the number of power supplies for the heating belts according to the temperature of the oil pool.

In some embodiments, the control module is also configured to:

Obtain the user's customary power-on time, and within the preset time range before the user's customary power-on time, if the temperature of the oil pool does not reach the upper limit of the preset temperature, control and turn on the solar power generation module to supply power to all heating belts, Preheat the oil pool.

In some embodiments, the control module is also configured to:

The electricity stored in the solar power generation module is set with a lower limit value of electricity consumption. When the solar power generation module is used to preheat the oil pool before the preset time range, if the solar power generation module stores When the power consumption reaches the lower limit value of the power consumption, the solar power generation module is no longer used to preheat the oil pool. length of time.

In some embodiments, the air conditioning system also includes:

a second temperature detection element, which is used to detect the outdoor ambient temperature;

The control module further includes a configuration configured to: control the signal collection frequency of the first temperature detection element according to the outdoor ambient temperature.

In some embodiments, the solar power generation module includes:

Solar panels, which are used to convert solar energy into electricity;

A battery for storing electrical energy converted by the solar panels.

In some embodiments, the solar thermal storage module includes:

Solar thermal collectors, which are used to convert solar energy into heat;

Thermal accumulator, which is used to store the thermal energy converted by the solar thermal collector.

In some embodiments, the air conditioning system also includes:

a third temperature detection unit, which is used to detect the temperature of the solar thermal storage module;

The control module is also configured to: before controlling to turn on the solar thermal storage module to preheat the oil pool, it also includes judging the temperature of the solar thermal storage module, when the temperature of the solar thermal storage module reaches a preset temperature value, control to turn on the solar heat storage module to preheat the oil pool, otherwise, control to turn on the solar power generation module to preheat the oil pool.

Compared with prior art, advantage and positive effect of the present invention are:

The air conditioning system of the present invention improves the utilization rate of solar energy and greatly prolongs the warm-up time by arranging the solar power generation module and the solar heat storage module. Compared with the traditional heating belt preheating method, the preheating method of this scheme has low energy consumption and is green and environmentally friendly. According to the temperature of the compressor oil pool, the solar power generation module or the solar thermal storage module is selected for preheating, making full use of the advantages of high heat conversion rate and fast heating speed of the solar power generation module and the advantages of large energy storage and long heating duration of the solar thermal storage module , Before the compressor is started, the solar power generation module or solar thermal storage module is reasonably selected for preheating according to the temperature control of the oil pool.

Other features and advantages of the present invention will become clearer after reading the detailed description of the present invention in conjunction with the accompanying drawings.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 shows the schematic diagram of an embodiment of the air conditioning system of the present application;

Fig. 2 shows a schematic flow chart of the compressor preheating control method when no user starts the machine;

Fig. 3 shows a schematic diagram of the temperature transmission interval of the oil pool under different ambient temperatures;

Fig. 4 shows the schematic diagram of the preheating mode under different oil pool temperatures;

Fig. 5 shows a schematic diagram of the way of preheating before the user starts;

Fig. 6 shows a schematic flow chart of the compressor preheating control method when the user starts the machine;

Fig. 7 shows a schematic diagram of the control method when the heat of the accumulator is insufficient;

Fig. 8 shows a schematic diagram of the control method when the battery power reaches the minimum threshold;

Fig. 9 shows the principle block diagram of solar power generation module;

Fig. 10 shows a schematic block diagram of a solar thermal storage module.

Implementation

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate directions or positions The terms of the relationship are based on the orientation or positional relationship shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be interpreted as Limitations on the Invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

<Basic operating principle of air conditioner>

In this application, the air conditioning system performs the refrigerant cycle of the system by using a compressor, a condenser, an electronic expansion valve, and an evaporator. The refrigerant cycle includes a series of processes involving compression, condensation, expansion and evaporation, and supplies refrigerant to air that has been conditioned and heat exchanged.

The compressor compresses the refrigerant gas in a low-temperature and low-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and the heat is released to the surrounding environment through the condensation process.

The expansion valve expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve, and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can realize the cooling effect by using the latent heat of evaporation of the refrigerant to exchange heat with the material to be cooled. Throughout the cycle, the air conditioner regulates the temperature of the interior space.

The outdoor unit of the air conditioner refers to a part of the refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger are used as condensers or evaporators. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in cooling mode.

<Composition of Indoor Unit>

Referring to FIG. 1 , an air conditioning system according to some embodiments of the present application includes an indoor unit (not shown in the figure) installed in an indoor space. The indoor unit is connected to the outdoor unit installed in the outdoor space through a pipe. The outdoor unit may be provided with a compressor 11, an outdoor heat exchanger, an outdoor fan, an expansion device and similar components of a refrigeration cycle, and the indoor unit may also be provided with an indoor heat exchanger and an indoor fan.

When the temperature is low, the refrigerant migrating into the compressor will fuse with the lubricating oil, so when the air conditioning system starts, a large amount of lubricating oil inside the compressor will be discharged out of the compressor 11 along with the refrigerant. Therefore, when the compressor 11 is started under low temperature conditions or restarted after a long period of stoppage, it is most likely to have an empty oil phenomenon. In order to solve this technical problem, some embodiments of the application also include a first temperature detection element 12, a solar A power generation module 13 , a solar heat storage module 14 and a control module 15 .

Wherein, the first temperature detection element 12 is used to detect the temperature of the oil pool of the compressor 11 and send the detection result to the control module 15 .

The solar power generation module 13 is used to convert solar energy into electrical energy and store it. The converted electrical energy can be used to preheat the oil pool. Whether the solar power generation module 13 is used to preheat the oil pool is controlled by the control module 15. It can be understood , when certain setting conditions are met, the control module 15 can control to turn on the solar power generation module 13 to preheat the oil pool.

The solar thermal storage module 14 is used to convert solar energy into thermal energy and store it. The converted thermal energy can be used to preheat the oil pool. Whether the solar thermal storage module 14 is used to preheat the oil pool is controlled by the control module 15. It is understood that when certain setting conditions are met, the control module 15 can control to turn on the solar heat storage module 14 to preheat the oil pool.

The control module 15 is configured to: before the compressor 11 is started, control the preheating state of the oil pool by the solar power generation module 13 and the solar heat storage module 14 respectively according to the temperature of the oil pool.

It can be understood that the preheating status of the oil pool includes whether the preheating is on or not. When the solar power generation module 13 is controlled to start preheating the oil pool, the electric energy converted by the solar power generation module 13 can be used to preheat the oil pool, so as to increase the temperature of the oil pool. When the solar thermal storage module 14 starts to preheat the oil pool, the heat energy converted by the solar thermal storage module 14 can be used to preheat the oil pool, so as to increase the temperature of the oil pool.

After the temperature of the oil pool is increased, the problem that the refrigerant migrates into the compressor and fuses with the lubricating oil when the temperature is low can be solved accordingly, thereby avoiding that when the air conditioning system is started, a large amount of lubricating oil inside the compressor will be Refrigerant is discharged from the compressor, resulting in a technical problem that the compressor is short of oil. At the same time, it can solve the problem of stratification of the refrigerant on the bottom and the lubricating oil on the top due to the difference in density between the refrigerant and the lubricating oil in a low-temperature environment. As a result, when the compressor is working, the lubricating oil on the top cannot be released immediately. Entering into the compressor through the oil return hole, the oil inside the compressor is gradually consumed, resulting in an oil-empty condition in the compressor, which eventually leads to insufficient lubrication of the compressor, which affects the stable and reliable operation of the air conditioning system.

In the air-conditioning system of this embodiment, the solar power generation module 13 and the solar thermal storage module 14 are installed at the same time to improve the utilization rate of solar energy and greatly prolong the warm-up time. Compared with the traditional heating belt preheating method, the preheating method of this scheme has low energy consumption and is green and environmentally friendly. According to the temperature of the oil pool of the compressor, the solar power generation module or the solar thermal storage module is selected for preheating, which fully utilizes the advantages of the high heat conversion rate and fast heating speed of the solar power generation module 13 and the large energy storage and long heating duration of the solar thermal storage module 14 According to the temperature control of the oil pool, the solar power generation module or the solar heat storage module is reasonably selected for preheating before the compressor starts.

In some embodiments, the system pre-stores the middle limit value of the temperature, that is, the middle limit value of the preset temperature. When the temperature of the oil pool does not reach the middle limit value of the preset temperature, it means that the temperature of the oil pool is too low, and then The control module 15 controls to turn on the solar power generation module 14 to preheat the oil pool. Utilizing the advantages of high energy efficiency conversion rate and fast heating speed of the solar power generation module 13 makes the oil pool heat up quickly, shortens the warm-up time, and improves user experience.

When the temperature of the oil pool reaches the middle limit of the preset temperature, it means that the temperature of the oil pool is low but not particularly low. At this time, the solar heat storage module 14 is controlled to be turned on to preheat the oil pool. The consumption of electric energy generated by the solar power generation module 13 can be reduced without prolonging the warm-up time.

When the temperature of the oil pool reaches the upper limit of the preset temperature, a series of problems caused by the low temperature of the oil pool can be overcome. Therefore, the solar power generation module 13 and the solar thermal storage module 14 can be controlled to be closed. The oil pool is preheated again, to reduce the consumption of the electricity generated by the solar power generation module 13 or reduce the consumption of the heat generated by the solar heat storage module 14, so that enough energy can be stored for the oil pool when the next stop is restarted warm up.

In some embodiments, the air conditioning system also includes a heating belt 16, the power input end of the heating belt 16 is connected to the power output end of the solar power generation module 13, and the control module 15 realizes controlling the solar energy by controlling the power supply of the heating belt 16 by controlling the solar power generation module 13. The power generation module 13 preheats the oil pool. Specifically, when the solar power generation module 13 supplies power to the heating belt 16, the electric energy of the solar power generation module 13 can be converted into thermal energy through the heating belt 16 to preheat the oil pool; otherwise, the solar power generation module 13 does not preheat the heating belt 16. hot.

In addition to using the heating belt 16, other conversion devices for converting electrical energy into heat energy can also be used, such as medium heating, arc heating, induction heating and the like. This solution adopts the heating belt 16 but is not limited to the heating belt 16 to realize.

In some embodiments, there are multiple heating belts 16 , and the control module 15 also includes controlling the number of power supplies for the heating belts 16 according to the temperature of the oil pool. It can be understood that the lower the temperature of the oil pool, the more the heating belt 16 should be powered, so that heat can be generated quickly, so as to reduce the user's waiting time.

In order to further increase the stability of this solution, in some embodiments, the control module also includes:

Obtain the user's customary start-up time, within the preset time range before the user's customary start-up time, if the temperature of the oil pool does not reach the upper limit of the preset temperature, control and turn on the solar power generation module to supply power to all heating belts, and pre-set the oil pool hot.

By controlling the preheating method according to the user's usage habits, when the temperature of the oil pool does not reach the upper limit of the preset temperature, the control turns on the solar power generation module to supply power to all heating belts, realizing short-term high-power preheating and reducing the user's waiting time for starting up time, improve the reliability of the air conditioner shutdown and start, and improve user experience.

In order to prevent the power of the battery from being exhausted within a certain period of time before the user starts it, in some embodiments, the control module further includes:

The electricity stored in the solar power generation module has a lower limit of electricity consumption. When the solar power generation module is used to preheat the oil pool before the preset time range, if the electricity stored in the solar power generation module reaches the lower limit of electricity consumption, it will not Then use the solar power generation module to preheat the oil pool, and the lower limit of the electricity used can supply power to all the heating belts, and last for the length of time corresponding to the preset time range.

The scheme of this embodiment sets the electricity required for the high-power operation setting time of the heating belt as the lower limit value of the battery power consumption. The remaining power provides power for short-term high-power preheating before the user starts. It should be noted that for batteries with different capacities and models, the lower limit of power consumption is different, and it needs to be set according to the actual usage.

In some embodiments, the high-power operation of the heating belt refers to turning on all or most of the heating belts for heating. The low-power operation of the heating belt refers to turning on a heating belt or a small number of heating belts for heating.

In some embodiments, the time period during which the user often starts the machine is obtained. If the temperature of the oil pool does not reach the first preset temperature Tc1 during the first 20 minutes of the user’s power-on, the preheating method of the battery and two heating belts will be used to realize Short-term high-power preheating reduces the waiting time for users to start up, improves the reliability of air conditioner shutdown and start-up, and improves user experience. The schematic diagram of the control process is shown in Figure 4.

In some embodiments, as shown in Fig. 5, Fig. 6, and Fig. 8, in order to prevent the battery power from being exhausted 20 minutes before the user starts it, the power required for the heating belt 16 to run at high power for 20 minutes is set as the minimum valve of the battery value, when the battery power drops to the minimum threshold, it is considered that the battery power is insufficient, the battery stops working, and the remaining power is saved to provide power for short-term high-power preheating before the user starts. It should be noted that the minimum threshold value is different for batteries with different capacities and models, and needs to be set according to actual usage conditions.

As shown in Figure 7, when the heat of the heat accumulator is exhausted, the battery can continue to supply power to the heating belt for preheating. In order to reduce the consumption of electric energy at the same time, the mode of low power operation of the heating belt can be adopted.

In some embodiments, the detection frequency of the first temperature detection element 12 is timely adjusted according to the ambient temperature. In this way, the detection efficiency of the first temperature detection element 12 can be improved and energy consumption can be reduced.

In some embodiments, the air conditioning system further includes a second temperature detection element 17, which is used to detect the outdoor ambient temperature.

The control module also includes a configuration configured to: control the signal collection frequency of the first temperature detection element according to the outdoor ambient temperature.

In some embodiments, when the air conditioner is in a shutdown state, the outdoor ambient temperature Ta is detected in real time, and the signal acquisition frequency of the first temperature detection element is controlled according to the outdoor ambient temperature Ta.

In some embodiments, as shown in Fig. 2 and Fig. 3, when the compressor is in the shutdown state and the ambient temperature Ta≤Ta1 (the first preset ambient temperature), the first temperature detection element 12 will detect The detected oil pool temperature Tc is fed back to the control module 15; when Ta1<Ta≤Ta2 (the second preset ambient temperature), the first temperature detection element 12 feeds back the detected oil pool temperature Tc to the control module every t2 seconds 15. When Ta2<Ta≤Ta3 (the third preset ambient temperature), the first temperature detection element 12 feeds back the detected oil pool temperature Tc to the control module 15 every t3 seconds; when Ta>Ta3, the first The temperature detection element 12 feeds back the detected oil pool temperature Tc to the control module 15 every t4 seconds. Among them, t1<t2<t3<t4, t1=5s, t2=10s, t3=30s, t4=60s; Ta1<Ta2<Ta3, Ta1=-10°C, Ta2=5°C, Ta3=20°C. The detection frequency of the first temperature detection element 12 is timely adjusted according to the ambient temperature. In this way, the detection efficiency of the first temperature detection element 12 can be improved and energy consumption can be reduced.

The control module 15 adopts different preheating methods to preheat the oil pool according to the compressor oil pool temperature value Tc fed back by the first temperature detecting element 12 .

In some embodiments, as shown in FIG. 9 , the solar power generation module 13 includes a solar panel and a storage battery, wherein the solar panel is used to convert solar energy into electrical energy; the storage battery is used to store the electrical energy converted by the solar panel.

In some embodiments, as shown in Figure 10, the solar heat storage module 14 includes a solar heat collector and a heat accumulator (not shown in the figure), the solar heat collector is used to convert solar energy into thermal energy; Thermal energy storage converted by solar thermal collectors.

In some embodiments, the heat accumulator is located at the bottom of the compressor, and its function is to store the heat energy converted by the solar collector, and contains a phase change material inside. By controlling the switch of the heat accumulator, the phase change material can complete the heat energy through phase change. Accumulation or release, when the temperature is high, heat energy is accumulated; when the temperature is low, heat is released, and different accumulator capacities can be selected according to requirements.

In some embodiments, the air conditioning system further includes a third temperature detection unit for detecting the temperature of the solar heat storage module.

The control module is also configured to: control and turn on the solar thermal storage module before preheating the oil pool, and also includes judging the temperature of the solar thermal storage module, and when the temperature of the solar thermal storage module reaches a preset temperature value, controls to turn on the solar thermal storage module Preheat the oil pool, otherwise, control and turn on the solar power generation module to preheat the oil pool.

In some embodiments, as shown in Figure 4, when the temperature detection element 12 detects that the oil pool temperature Tc≥Tc1 (the first preset oil pool temperature), the heat accumulator and battery stop working, and the compressor is not preheated ; When the second preset oil pool temperature Tc2≤Tc<Tc1, the control module 15 controls the heat accumulator to work, and the phase change material in the heat accumulator releases heat through phase change to preheat the oil pool; when the third preset When the temperature of the oil pool is Tc3≤Tc<Tc2, the control module 15 controls the battery to work, and transmits the electricity to one of the heating belts 16, and the heating belt 16 works with power P1; when the temperature detection element 12 detects that the oil pool temperature Tc<Tc3 , the control module 15 controls the battery to work, and transmits the electricity to all the heating belts 16, and the heating belts 16 work with the power P2. Among them, Tc3<Tc2<Tc1, Tc1=20°C, Tc2=5°C, Tc3=-10°C, P1<P2. This control scheme adjusts the preheating mode in real time according to the temperature of the oil pool of the press, and flexibly configures the preheating power, which is conducive to improving the preheating efficiency.

The solution of this embodiment precisely regulates the preheating mode and preheating power according to the temperature of the oil pool of the compressor.

When the compressor oil pool temperature is higher than the set oil pool temperature limit, no preheating treatment is performed; when the compressor oil pool temperature is lower than the set limit value, according to the corresponding preset Heater preheating, battery + heating belt low power preheating, battery + heating belt high power preheating preheating methods.

The combination of dual energy storage methods of heat accumulator and storage battery can improve the utilization rate of solar energy.

Compared with the single energy storage method, the dual energy storage method of heat accumulator and storage battery improves the utilization rate of solar energy and greatly prolongs the warm-up time. Compared with the traditional heating belt preheating method, the preheating method of this scheme has low energy consumption and is green and environmentally friendly. When the heat of the heat accumulator is exhausted, the battery can continue to supply power to the heating belt for heating. When the battery power is exhausted, the compressor can continue to be preheated by the heat accumulator.

The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art can still understand the foregoing embodiments. Modifications are made to the technical solutions described, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed in the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present application. scope.

For convenience of explanation, the above description has been made in conjunction with specific implementation manners. However, the above exemplary discussion is not intended to be exhaustive or to limit the implementations to the precise forms disclosed above. Many modifications and variations are possible in light of the above teachings. The selection and description of the above embodiments are for better explaining the principles and practical applications, so that those skilled in the art can better use the embodiments and various modified embodiments suitable for specific use considerations.

Claims (10)

1. An air-conditioning system, characterized in that, comprising: compressor; a first temperature detection element, which is used to detect the temperature of the oil pool of the compressor; A solar power generation module for converting solar energy into electrical energy and storing it; A solar thermal storage module for converting solar energy into thermal energy and storing it; The control module is configured to control the preheating state of the oil pool by the solar power generation module and the solar heat storage module respectively according to the temperature of the oil pool before the compressor is started. 2. The air conditioning system according to claim 1, characterized in that, when the temperature of the oil pool does not reach the middle limit of the preset temperature, the solar power generation module is controlled to be turned on to preheat the oil pool; When the temperature of the oil pool reaches the middle limit value of the preset temperature, control to turn on the solar heat storage module to preheat the oil pool; When the temperature of the oil pool reaches the upper limit of the preset temperature, the control turns off the solar power generation module and the solar heat storage module, and does not preheat the oil pool. 3. The air conditioning system according to claim 2, wherein the air conditioning system further comprises: The heating belt, the control module controls the solar power generation module to preheat the oil pool by controlling the solar power generation module to supply power to the heating belt. 4. The air conditioning system according to claim 3, wherein there are multiple heating belts, and the control module further includes controlling the number of power supplies for the heating belts according to the temperature of the oil pool. 5. The air conditioning system according to claim 4, wherein the control module further comprises: Obtain the user's customary power-on time, and within the preset time range before the user's customary power-on time, if the temperature of the oil pool does not reach the upper limit of the preset temperature, control and turn on the solar power generation module to supply power to all heating belts, Preheat the oil pool. 6. The air conditioning system according to claim 5, wherein the control module further comprises: The electricity stored in the solar power generation module is set with a lower limit value of electricity consumption. When the solar power generation module is used to preheat the oil pool before the preset time range, if the solar power generation module stores When the power consumption reaches the lower limit value of the power consumption, the solar power generation module is no longer used to preheat the oil pool. length of time. 7. The air conditioning system according to any one of claims 1-6, wherein the air conditioning system further comprises: a second temperature detection element, which is used to detect the outdoor ambient temperature; The control module further includes a configuration configured to: control the signal collection frequency of the first temperature detection element according to the outdoor ambient temperature. 8. The air conditioning system according to any one of claims 1-6, wherein the solar power generation module comprises: Solar panels, which are used to convert solar energy into electricity; A battery for storing electrical energy converted by the solar panels. 9. The air conditioning system according to any one of claims 1-6, characterized in that, the solar heat storage module comprises: Solar thermal collectors, which are used to convert solar energy into heat; Thermal accumulator, which is used to store the thermal energy converted by the solar thermal collector. 10. The air conditioning system according to any one of claims 1-6, characterized in that, the air conditioning system further comprises: a third temperature detection unit, which is used to detect the temperature of the solar thermal storage module; The control module is also configured to: before controlling to turn on the solar thermal storage module to preheat the oil pool, it also includes judging the temperature of the solar thermal storage module, when the temperature of the solar thermal storage module reaches a preset temperature value, control to turn on the solar heat storage module to preheat the oil pool, otherwise, control to turn on the solar power generation module to preheat the oil pool.

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