A new type of heat pump heating system using a refrigerant circulation system

Abstract

The present invention relates to the technical field of heating systems, and provides a new type of heat pump heating system using a refrigerant circulation system, including an indoor heat exchange terminal, an outdoor heat exchange terminal, a compression terminal, an expansion valve terminal, a refrigerant supply terminal and an intelligent control terminal; the intelligent control terminal is used to control each terminal to perform refrigerant circulation heating; the refrigerant supply terminal is used to supply refrigerant to the refrigerant pipeline and the outdoor heat exchange terminal; the outdoor heat exchange terminal is used to drive the refrigerant to absorb heat from the outdoor environment; the compression terminal is used to receive the evaporated refrigerant and compress it; the indoor heat exchange terminal is used to receive the compressed gaseous refrigerant and drive the gaseous refrigerant to release heat to heat the indoor air; the expansion valve terminal is used to receive the liquid refrigerant after heat release and expand it; the expansion valve terminal is used to re-transport the expanded liquid refrigerant to the outdoor heat exchange terminal. The present invention has the effect of improving the heating quality.

Description

Technical Field

[0001] The invention relates to the technical field of heating systems, and in particular to a novel heat pump heating system adopting a refrigerant circulation system. Background Art

[0002] The refrigerant circulation system is a system that uses refrigerant to circulate at different temperatures and pressures. It is commonly used in refrigeration, air conditioning, heat pumps and other fields. The system uses the circulating refrigerant to transfer heat and achieve the purpose of regulating temperature. The heat pump heating system is a system that uses heat pump technology for heating. It can transfer low-temperature heat in the environment to the room through thermal circulation to provide a comfortable indoor environment.

[0003] Now many heat pump heating systems have been developed. After a lot of searching and reference, we found that the heat pump heating systems in the prior art are such as the heat pump heating systems disclosed in the publication numbers CN114877395A, CN113251842A, CN108266778A, EP2420745A3, US20120000236A1, and JP2021071249A. These heat pump heating systems generally include: outdoor terminals, indoor terminals, compression terminals, expansion terminals, and pipeline terminals; the outdoor terminals, compression terminals, indoor terminals, and expansion terminals are interconnected through pipeline terminals to realize the heat absorption, compression, heat release, expansion, and other cyclic processes of the refrigerant, thereby realizing indoor heating. Since the heating control mode of the above-mentioned heat pump heating system is relatively single, it is not convenient to adapt to different indoor scenes, resulting in the defect of reduced heating quality of the heat pump heating system. Summary of the invention

[0004] The purpose of the present invention is to propose a new type of heat pump heating system using a refrigerant circulation system in view of the shortcomings of the above-mentioned heat pump heating system.

[0005] The present invention adopts the following technical solution:

[0006] A new type of heat pump heating system using a refrigerant circulation system, comprising an indoor heat exchange terminal, an outdoor heat exchange terminal, a compression terminal, an expansion valve terminal, a refrigerant supply terminal and an intelligent control terminal; the indoor heat exchange terminal, the outdoor heat exchange terminal, the compression terminal, the expansion valve terminal and the refrigerant supply terminal are interconnected through a refrigerant pipeline; the intelligent control terminal is electrically connected to the indoor heat exchange terminal, the outdoor heat exchange terminal, the compression terminal, the expansion valve terminal and the refrigerant supply terminal, and is used to control each terminal to perform refrigerant circulation heating; the refrigerant supply terminal is used to supply refrigerant to the refrigerant pipeline and the outdoor heat exchange terminal. The outdoor heat exchange terminal is used to drive the refrigerant to absorb heat from the outdoor environment to achieve heat absorption and evaporation of the refrigerant; the compression terminal is used to receive the evaporated refrigerant and compress it; the indoor heat exchange terminal is used to receive the compressed gaseous refrigerant and drive the gaseous refrigerant to release heat, heat the indoor air, and achieve indoor heating; the expansion valve terminal is used to receive the liquid refrigerant after heat release and expand the liquid refrigerant to reduce the temperature and pressure of the liquid refrigerant; the expansion valve terminal is used to transport the expanded liquid refrigerant to the outdoor heat exchange terminal again to achieve refrigerant circulation.

[0007] Optionally, the refrigerant supply terminal includes a pipeline supply module and an outdoor heat exchange terminal supply module; the pipeline supply module is connected to the refrigerant pipeline and is used to transport refrigerant to the refrigerant pipeline; the outdoor heat exchange terminal supply module is used to connect to the outdoor heat exchange terminal and is used to transport refrigerant to the outdoor heat exchange terminal.

[0008] Optionally, the intelligent control terminal includes a refrigerant circulation heating control module, a refrigerant supply adjustment module, a temperature quality assessment module and an intelligent temperature control module; the refrigerant circulation heating control module is used to control the indoor heat exchange terminal, the outdoor heat exchange terminal, the compression terminal, the expansion valve terminal and the refrigerant supply terminal to perform refrigerant circulation heating; the refrigerant supply adjustment module is used to adjust the refrigerant supply according to indoor information, outdoor environmental information and indoor user information; the temperature quality assessment module is used to perform quality assessment on the temperature control of the system and generate temperature quality assessment information; the intelligent temperature control module is used to perform intelligent temperature control according to temperature quality assessment information, indoor information, outdoor environmental information and indoor user information.

[0009] Optionally, the refrigerant supply adjustment module includes a refrigerant adjustment index calculation submodule and a refrigerant supply adjustment submodule; the refrigerant adjustment index calculation submodule is used to calculate the refrigerant adjustment index according to indoor information, outdoor environment information and indoor user information; the refrigerant supply adjustment submodule is used to adjust the refrigerant supply according to the refrigerant adjustment index;

[0010] When the refrigerant adjustment index calculation submodule is working, the following formula is satisfied:

[0011]

[0012] Wherein, C represents the refrigerant adjustment index; represents a value selection function based on the ratio of the number of indoor users to the indoor area; num represents the number of indoor users in the indoor user information; S represents the value of the total square meters of the indoor area in the indoor information; T a1 represents the actual indoor temperature after the ath heating is completed during the test process; the test process represents the automatic test performed by the system in a specified time period every day. During the test, the system takes all heating tasks in the specified time period of the day as the test content. The specified time period can be but is not limited to: morning, noon and afternoon of the day, etc.; T a2 represents the target indoor temperature set when the user issues the ath heating demand during the test; A represents the total number of all heating tasks during the test, that is, the total number of times the user sends heating demands during the test; T A1 Indicates the actual indoor temperature after the Ath heating is completed during the test, that is, the actual indoor temperature after the last heating is completed during the test; T out Indicates the actual outdoor temperature in the outdoor environment information;

[0013] The amount of refrigerant added to the refrigerant pipeline of the system is 50% of the preset target amount. After 50% of the refrigerant is added, it is detected that C>c ref When the refrigerant supply adjustment submodule supplies refrigerant to the outdoor heat exchange terminal before the next heating task, the refrigerant supply amount is 10% of the preset target amount; c ref represents the replenishment threshold; the preset target amount and c ref All are set by the administrator based on experience; when the amount of refrigerant added in the refrigerant pipeline reaches the preset target amount, the refrigerant supply adjustment module suspends adjusting the refrigerant situation.

[0014] Optionally, the temperature quality assessment module includes a temperature quality score calculation submodule and a temperature quality assessment information generation submodule; the temperature quality score calculation submodule is used to calculate the indoor temperature quality score after the heating task is completed according to the outdoor environment information and the user's access situation; the temperature quality assessment information generation submodule is used to generate corresponding temperature quality assessment information according to the temperature quality score;

[0015] When the temperature quality score calculation submodule is working, the following formula is satisfied:

[0016] P w =W altitude ×[(W weather +W user )+1] 2 ;

[0017]

[0018] Among them, P w Indicates the temperature quality score; W altitude Indicates the altitude weight in the outdoor environment information;

[0019] W weather represents the outdoor temperature weight in the outdoor environment information; W user Indicates the user entry and exit frequency weight in indoor user information;

[0020] e represents a common mathematical constant, the base of natural logarithm; T set Indicates the indoor temperature set by the user in the heating task outside the test process; T out represents the actual outdoor temperature in the outdoor environment information; g(state) represents the sensitivity selection function based on the administrator's rating of the outdoor environment; state represents the number of levels of the administrator's rating of the outdoor environment based on experience, for example: if the average value of the outdoor environment temperature changes within a week is less than 3 degrees Celsius, the rating is level one, state = 1; if the average value of the outdoor environment temperature changes within a week is greater than 3 degrees Celsius and less than 5 degrees Celsius, the rating is level two, state = 2; if the average value of the outdoor environment temperature changes within a week is greater than 5 degrees Celsius, the rating is level three, state = 3;

[0021] H max Indicates the highest altitude at which the system can operate normally after installation; H min Indicates the lowest altitude at which the system can operate normally after installation; H max and H min All are directly obtained from the system factory information; H current Indicates the current installation altitude of the system in the outdoor environment information;

[0022] F user It indicates the average entry and exit frequency of all users in the indoor user information after the system completes the heating task, in times / hour; F ref Indicates the entry and exit frequency threshold, which is set by the administrator based on experience;

[0023] When P w ≤P ref When P w >P ref When the temperature quality assessment information generating submodule generates temperature quality assessment information for indicating that the temperature quality meets the standard; ref Indicates the temperature quality assessment threshold.

[0024] A novel heat pump heating method using a refrigerant circulation system is applied to the novel heat pump heating system using a refrigerant circulation system as described above, and the novel heat pump heating method comprises:

[0025] S1, supplying refrigerant to the refrigerant pipeline and the outdoor heat exchange terminal;

[0026] S2, drives the refrigerant to absorb heat from the outdoor environment to achieve heat absorption and evaporation of the refrigerant;

[0027] S3, receiving the evaporated refrigerant and compressing it;

[0028] S4, receiving the compressed gaseous refrigerant and driving the gaseous refrigerant to release heat, heating the indoor air to achieve indoor heating;

[0029] S5, receiving the liquid refrigerant after releasing heat and expanding the liquid refrigerant to reduce the temperature and pressure of the liquid refrigerant;

[0030] S6, transporting the expanded liquid refrigerant back to the outdoor heat exchange terminal to facilitate refrigerant circulation.

[0031] The beneficial effects achieved by the present invention are:

[0032] 1. The setting of indoor heat exchange terminal, outdoor heat exchange terminal, compression terminal, expansion valve terminal, refrigerant supply terminal and intelligent control terminal. Through the intelligent control of the intelligent control terminal, it is beneficial to increase the heating mode and perform more intelligent control under the condition of refrigerant circulation, so that the heating system can adjust parameters according to different indoor scenes, and then maintain the most efficient and correct heating effect in different indoor scenes, which is beneficial to improve the heating quality of the system;

[0033] 2. The setting of pipeline supply module and outdoor heat exchange terminal supply module further enriches the heating mode of the system through two independent refrigerant supply methods. Cooperating with the refrigerant supply control of the intelligent control terminal is conducive to improving the adaptability of the system, thereby improving the heating quality of the system in different indoor scenes;

[0034] 3. The settings of the refrigerant circulation heating control module, the refrigerant supply adjustment module, the temperature quality assessment module and the intelligent temperature control module further enrich the heating mode of the system through the refrigerant circulation heating control, the refrigerant supply adjustment control, the temperature quality assessment and the intelligent temperature control, further optimize the heating process, and improve the accuracy and efficiency of the heating process, which is conducive to further improving the heating quality of the system;

[0035] 4. The setting of the refrigerant adjustment index calculation submodule and the refrigerant supply adjustment submodule, together with the refrigerant adjustment index algorithm and the setting of the initial refrigerant addition amount, is conducive to improving the stability and accuracy of the refrigerant adjustment process, making the system more stable, energy-saving and efficient, thereby improving the heating quality of the system;

[0036] 5. The setting of the temperature quality score calculation submodule and the temperature quality assessment information generation submodule in conjunction with the temperature quality score algorithm is conducive to directly calculating the temperature quality score, so as to assess the quality of the current working mode of the system, thereby facilitating more efficient and faster optimization of the system heating mode, thereby facilitating improving the heating quality of the system;

[0037] 6. The settings of the temperature quality assessment information reading submodule, the heating mode switching submodule and the heating process segment number calculation submodule, together with the heating process segment number algorithm, are conducive to calculating the accurate number of heating process segments. By performing segmented heating of the indoor air in a heating task to make the indoor temperature reach the set temperature value, the smoothness of the heating process and the stability of the system operation are improved, which is conducive to improving the heating capacity and efficiency of the system, realizing a more energy-saving and intelligent heating mode, which is conducive to further improving the heating quality of the system.

[0038] To further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are only for reference and description and are not intended to limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0040] Figure 2 This is a structural schematic diagram of the refrigerant supply adjustment module in the present invention;

[0041] Figure 3 It is a structural schematic diagram of the temperature quality assessment module in the present invention;

[0042] Figure 4 A schematic diagram of a method flow of a novel heat pump heating method using a refrigerant circulation system in the present invention;

[0043] Figure 5 FIG. 4 is a schematic diagram of the structure of an intelligent temperature control module in another embodiment of the present invention. DETAILED DESCRIPTION

[0044] The following is an explanation of the embodiments of the present invention through specific embodiments. Those skilled in the art can understand the advantages and effects of the present invention from the contents disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and the details in this specification can also be modified and changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. In addition, the drawings of the present invention are only simple schematic illustrations and are not depicted according to actual dimensions. It is stated in advance. The following embodiments will further explain the relevant technical contents of the present invention in detail, but the disclosed contents are not intended to limit the scope of protection of the present invention.

[0045] Embodiment 1: This embodiment provides a new type of heat pump heating system using a refrigerant circulation system. Figure 1 As shown, a new type of heat pump heating system using a refrigerant circulation system includes an indoor heat exchange terminal, an outdoor heat exchange terminal, a compression terminal, an expansion valve terminal, a refrigerant supply terminal and an intelligent control terminal; the indoor heat exchange terminal, the outdoor heat exchange terminal, the compression terminal, the expansion valve terminal and the refrigerant supply terminal are interconnected through a refrigerant pipeline; the intelligent control terminal is electrically connected to the indoor heat exchange terminal, the outdoor heat exchange terminal, the compression terminal, the expansion valve terminal and the refrigerant supply terminal, and is used to control each terminal to perform refrigerant circulation heating; the refrigerant supply terminal is used to supply refrigerant to the refrigerant pipeline and the outdoor heat exchange terminal. Exchange terminal; the outdoor heat exchange terminal is used to drive the refrigerant to absorb heat from the outdoor environment to achieve heat absorption and evaporation of the refrigerant; the compression terminal is used to receive the evaporated refrigerant and compress it; the indoor heat exchange terminal is used to receive the compressed gaseous refrigerant and drive the gaseous refrigerant to release heat, heat the indoor air, and achieve indoor heating; the expansion valve terminal is used to receive the liquid refrigerant after heat release and expand the liquid refrigerant to reduce the temperature and pressure of the liquid refrigerant; the expansion valve terminal is used to re-transport the expanded liquid refrigerant to the outdoor heat exchange terminal to achieve refrigerant circulation.

[0046] Optionally, the refrigerant supply terminal includes a pipeline supply module and an outdoor heat exchange terminal supply module; the pipeline supply module is connected to the refrigerant pipeline and is used to transport refrigerant to the refrigerant pipeline; the outdoor heat exchange terminal supply module is used to connect to the outdoor heat exchange terminal and is used to transport refrigerant to the outdoor heat exchange terminal.

[0047] Optionally, the intelligent control terminal includes a refrigerant circulation heating control module, a refrigerant supply adjustment module, a temperature quality assessment module and an intelligent temperature control module; the refrigerant circulation heating control module is used to control the indoor heat exchange terminal, the outdoor heat exchange terminal, the compression terminal, the expansion valve terminal and the refrigerant supply terminal to perform refrigerant circulation heating; the refrigerant supply adjustment module is used to adjust the refrigerant supply according to indoor information, outdoor environmental information and indoor user information; the temperature quality assessment module is used to perform quality assessment on the temperature control of the system and generate temperature quality assessment information; the intelligent temperature control module is used to perform intelligent temperature control according to temperature quality assessment information, indoor information, outdoor environmental information and indoor user information.

[0048] Optional, combined Figure 2 As shown, the refrigerant supply adjustment module includes a refrigerant adjustment index calculation submodule and a refrigerant supply adjustment submodule; the refrigerant adjustment index calculation submodule is used to calculate the refrigerant adjustment index according to indoor information, outdoor environment information and indoor user information; the refrigerant supply adjustment submodule is used to adjust the refrigerant supply according to the refrigerant adjustment index;

[0049] When the refrigerant adjustment index calculation submodule is working, the following formula is satisfied:

[0050]

[0051] Wherein, C represents the refrigerant adjustment index; represents a value selection function based on the ratio of the number of indoor users to the indoor area; num represents the number of indoor users in the indoor user information; S represents the value of the total square meters of the indoor area in the indoor information; T a1 represents the actual indoor temperature after the ath heating is completed during the test process; the test process represents the automatic test performed by the system in a specified time period every day. During the test, the system takes all heating tasks in the specified time period of the day as the test content. The specified time period can be but is not limited to: morning, noon and afternoon of the day, etc.; T a2 represents the target indoor temperature set when the user issues the ath heating demand during the test; A represents the total number of all heating tasks during the test, that is, the total number of heating demands issued by the user during the test; T A1 Indicates the actual indoor temperature after the Ath heating is completed during the test, that is, the actual indoor temperature after the last heating is completed during the test; T out Indicates the actual outdoor temperature in the outdoor environment information;

[0052] The amount of refrigerant added to the refrigerant pipeline of the system is 50% of the preset target amount. After 50% of the refrigerant is added, it is detected that C>c refWhen the refrigerant supply adjustment submodule supplies refrigerant to the outdoor heat exchange terminal before the next heating task, the refrigerant supply amount is 10% of the preset target amount; c ref represents the replenishment threshold; the preset target amount and c ref All are set by the administrator based on experience; when the amount of refrigerant added in the refrigerant pipeline reaches the preset target amount, the refrigerant supply adjustment module suspends adjusting the refrigerant situation.

[0053] Optional, combined Figure 3 As shown, the temperature quality assessment module includes a temperature quality score calculation submodule and a temperature quality assessment information generation submodule; the temperature quality score calculation submodule is used to calculate the indoor temperature quality score after the heating task is completed according to the outdoor environment information and the user's access situation; the temperature quality assessment information generation submodule is used to generate corresponding temperature quality assessment information according to the temperature quality score;

[0054] When the temperature quality score calculation submodule is working, the following formula is satisfied:

[0055] P w =W altitude ×[(W weather +W user )+1] 2 ;

[0056]

[0057] Among them, P w Indicates the temperature quality score; W altitude Indicates the altitude weight in the outdoor environment information;

[0058] W weather represents the outdoor temperature weight in the outdoor environment information; W user Indicates the user entry and exit frequency weight in indoor user information;

[0059] e represents a common mathematical constant, the base of the natural logarithm function; T set Indicates the indoor temperature set by the user in the heating task outside the test process; T out represents the actual outdoor temperature in the outdoor environment information; g(state) represents the sensitivity selection function based on the administrator's rating of the outdoor environment; state represents the number of levels of the administrator's rating of the outdoor environment based on experience, for example: if the average value of the outdoor environment temperature changes within a week is less than 3 degrees Celsius, the rating is level one, state = 1; if the average value of the outdoor environment temperature changes within a week is greater than 3 degrees Celsius and less than 5 degrees Celsius, the rating is level two, state = 2; if the average value of the outdoor environment temperature changes within a week is greater than 5 degrees Celsius, the rating is level three, state = 3;

[0060] H max Indicates the highest altitude at which the system can operate normally after installation; H min Indicates the lowest altitude at which the system can operate normally after installation; H max and H min All are directly obtained from the system factory information; H current Indicates the current installation altitude of the system in the outdoor environment information;

[0061] F user It indicates the average entry and exit frequency of all users in the indoor user information after the system completes the heating task, in times / hour; F ref Indicates the entry and exit frequency threshold, which is set by the administrator based on experience;

[0062] When P w ≤P ref When P w >P ref When the temperature quality assessment information generating submodule generates temperature quality assessment information for indicating that the temperature quality meets the standard; ref Indicates the temperature quality assessment threshold, which is set by the administrator based on experience.

[0063] A new type of heat pump heating method using a refrigerant circulation system is applied to a new type of heat pump heating system using a refrigerant circulation system as described above, combined with Figure 4 As shown, the novel heat pump heating method comprises:

[0064] S1, supplying refrigerant to the refrigerant pipeline and the outdoor heat exchange terminal;

[0065] S2, drives the refrigerant to absorb heat from the outdoor environment to achieve heat absorption and evaporation of the refrigerant;

[0066] S3, receiving the evaporated refrigerant and compressing it;

[0067] S4, receiving the compressed gaseous refrigerant and driving the gaseous refrigerant to release heat, heating the indoor air to achieve indoor heating;

[0068] S5, receiving the liquid refrigerant after releasing heat and expanding it to reduce the temperature and pressure of the liquid refrigerant;

[0069] S6, transporting the expanded liquid refrigerant back to the outdoor heat exchange terminal to facilitate refrigerant circulation.

[0070] To sum up, the setting of the above system is conducive to increasing the heating mode through the intelligent control of the intelligent control terminal, and performing more intelligent control under the condition of refrigerant circulation, so that the heating system can adjust parameters according to different indoor scenes, and then maintain the most efficient and correct heating effect in different indoor scenes; the heating mode of the system is further enriched by two independent refrigerant supply methods, and the refrigerant supply control of the intelligent control terminal is conducive to improving the adaptability of the system; the heating mode of the system is further enriched through refrigerant circulation heating control, refrigerant supply adjustment control, temperature quality assessment and intelligent temperature control, and the heating process is further optimized, and the accuracy and efficiency of the heating process are improved; the temperature quality score is directly calculated to assess the quality of the current working mode of the system, which is conducive to more efficient and quicker optimization of the system heating mode, thereby improving the heating quality of the system.

[0071] Embodiment 2: This embodiment includes all the contents of Embodiment 1, and provides a new type of heat pump heating system using a refrigerant circulation system, combined with Figure 5 As shown, the intelligent temperature control module includes a temperature quality assessment information reading submodule, a heating mode switching submodule and a heating process segment number calculation submodule; the temperature quality assessment information reading submodule is used to read the temperature quality assessment information; if the temperature quality assessment information indicates that the temperature quality does not meet the standard, the heating mode switching submodule is used to switch the heating mode of the system to a segmented heating mode; the segmented heating mode means that in a heating task, the system performs a segmented heating operation on the indoor air in order to make the indoor temperature reach the set temperature value, for example: The set temperature value is 26 degrees Celsius, the original room temperature is 20 degrees Celsius, and the number of segments is 3 times, then the temperature rises by 2 degrees Celsius in each segment process; the number of segments is determined by the heating process segment number calculation submodule, and the segmented heating time interval can be but is not limited to 1 minute, 2 minutes, 3 minutes, 4 minutes and 5 minutes; the heating process segment number calculation submodule is used to calculate the number of heating process segments according to the indoor temperature, indoor area, indoor height of the indoor information, the outdoor temperature and humidity of the outdoor environment information, and the user's clothing conditions of the indoor user information.

[0072] When the heating process segment quantity calculation submodule is working, the following formula is satisfied:

[0073]

[0074]

[0075]

[0076]

[0077] Among them, Npartition Indicates the heating process segment index; x1(kind b ) represents the user type coefficient selection function of the bth user in the indoor user information; kind b Indicates the user type of the bth user in the indoor user information; the user types include a first type, a second type and a third type; the first type indicates users aged 15 to 50; the second type indicates users aged 6 to 14; the third type indicates users aged 0 to 5 and older than 50;

[0078] kind b =0 means that the user type of the bth user is the first type; kind b =1 means the user type of the bth user is the second type; b = -1 indicates that the user type of the bth user is the third type; L b The clothing level of the bth user in the user clothing situation representing the indoor user information; the type and level of the outermost clothing of the user are identified according to the image information provided by the indoor monitoring; the clothing level includes level one, level two and level three; level one includes sleeveless and short sleeves, that is, the user's clothing is relatively cool; level two includes long-sleeved single clothes; the single clothes are thin clothes, such as single-layer clothes without lining, that is, the user's clothing is mainly windproof; level three includes long-sleeved jackets, that is, the user's clothing is mainly warm; when the user's clothing level is level one, then L b =1; when the user's clothing level is level 2, then L b =2; when the user's clothing level is level three, then L b =3; B represents the total number of all users in the indoor user information; x2(q) represents the coefficient selection function based on the outdoor humidity in the outdoor environment information; q represents the outdoor humidity in the outdoor environment information; It represents the average indoor height in the indoor information, that is, the average vertical height from the ground to the top of the room, in meters; S represents the value of the total indoor area in square meters in the indoor information; T origin Indicates the indoor temperature value before the heating task starts; T out Indicates the outdoor temperature value in the outdoor environment information;

[0079] select(N partition ) represents the segment number selection function based on the segment index of the heating process; n1 to n3 represent gradually increasing selection thresholds, which are set by the administrator based on experience; O1 to O4 represent gradually increasing numbers of segments, which are set by the administrator based on actual conditions. Specifically, the older the average age of indoor users is, the more segments are set. For example, if the average age of indoor users is 50 years old, O1 to O4 are 6, 7, 8, and 9 respectively.

[0080] To sum up, the settings of the temperature quality assessment information reading submodule, the heating mode switching submodule and the heating process segment number calculation submodule, together with the heating process segment number algorithm, are conducive to calculating the accurate number of heating process segments. By performing a segmented heating operation on the indoor air in a heating task to make the indoor temperature reach the set temperature value, the smoothness of the heating process and the stability of the system operation are improved, which is conducive to improving the heating capacity and efficiency of the system, realizing a more energy-saving and intelligent heating mode, and thus helping to further improve the heating quality of the system.

[0081] The contents disclosed above are only preferred feasible embodiments of the present invention, and do not limit the protection scope of the present invention. Therefore, all equivalent technical changes made using the contents of the present invention description and drawings are included in the protection scope of the present invention. In addition, the elements therein can be updated as technology develops.

Claims

1. A new type of heat pump heating system using a refrigerant circulation system, characterized in that: It includes an indoor heat exchange terminal, an outdoor heat exchange terminal, a compression terminal, an expansion valve terminal, a refrigerant supply terminal and an intelligent control terminal; the indoor heat exchange terminal, the outdoor heat exchange terminal, the compression terminal, the expansion valve terminal and the refrigerant supply terminal are interconnected through a refrigerant pipeline; the intelligent control terminal is electrically connected to the indoor heat exchange terminal, the outdoor heat exchange terminal, the compression terminal, the expansion valve terminal and the refrigerant supply terminal, and is used to control each terminal to perform refrigerant circulation heating; the refrigerant supply terminal is used to supply refrigerant to the refrigerant pipeline and the outdoor heat exchange terminal; the outdoor heat exchange terminal is used to drive the refrigerant to absorb from the outdoor environment heat, realizing the heat absorption evaporation of the refrigerant; the compression terminal is used to receive the evaporated refrigerant and compress it; the indoor heat exchange terminal is used to receive the compressed gaseous refrigerant and drive the gaseous refrigerant to release heat, heat the indoor air, and realize indoor heating; the expansion valve terminal is used to receive the liquid refrigerant after heat release and expand the liquid refrigerant to reduce the temperature and pressure of the liquid refrigerant; the expansion valve terminal is used to transport the expanded liquid refrigerant to the outdoor heat exchange terminal again to realize the refrigerant circulation; the refrigerant supply terminal includes a pipeline supply module and an outdoor heat exchange terminal supply module; the pipeline The supply module is connected to the refrigerant pipeline and is used to transport refrigerant to the refrigerant pipeline; the outdoor heat exchange terminal supply module is used to connect to the outdoor heat exchange terminal and transport refrigerant to the outdoor heat exchange terminal; the intelligent control terminal includes a refrigerant circulation heating control module, a refrigerant supply adjustment module, a temperature quality assessment module and an intelligent temperature control module; the refrigerant circulation heating control module is used to control the indoor heat exchange terminal, the outdoor heat exchange terminal, the compression terminal, the expansion valve terminal and the refrigerant supply terminal to perform refrigerant circulation heating; the refrigerant supply adjustment module is used to adjust the temperature according to indoor information, outdoor environmental information and indoor user information The whole refrigerant supply situation; the temperature quality assessment module is used to assess the quality of the temperature control situation of the system and generate temperature quality assessment information; the intelligent temperature control module is used to perform intelligent temperature control according to the temperature quality assessment information, indoor information, outdoor environment information and indoor user information; the refrigerant supply adjustment module includes a refrigerant adjustment index calculation submodule and a refrigerant supply adjustment submodule; the refrigerant adjustment index calculation submodule is used to calculate the refrigerant adjustment index according to the indoor information, outdoor environment information and indoor user information; the refrigerant supply adjustment submodule is used to adjust the refrigerant supply situation according to the refrigerant adjustment index; When the refrigerant adjustment index calculation submodule is working, the following formula is satisfied: ； ； Wherein, C represents the refrigerant adjustment index; represents a value selection function based on the ratio of the number of indoor users to the indoor area; num represents the number of indoor users in the indoor user information; S represents the value of the total square meters of the indoor area in the indoor information; T a1 Indicates the actual indoor temperature after the ath heating is completed during the test; T a2 represents the target indoor temperature set when the user issues the ath heating demand during the test; A represents the total number of all heating tasks during the test; T A1 Indicates the actual indoor temperature after the Ath heating is completed during the test; T out Indicates the actual outdoor temperature in the outdoor environment information; The amount of refrigerant added to the refrigerant pipeline of the system is 50% of the preset target amount. After 50% of the refrigerant is added, it is detected that C>c ref When the refrigerant supply adjustment submodule supplies refrigerant to the outdoor heat exchange terminal before the next heating task, the refrigerant supply amount is 10% of the preset target amount; c ref Indicates the replenishment threshold; when the amount of refrigerant added in the refrigerant pipeline reaches the preset target amount, the refrigerant supply adjustment module suspends adjusting the refrigerant situation.

2. A novel heat pump heating system using a refrigerant circulation system as claimed in claim 1, characterized in that: The temperature quality assessment module includes a temperature quality score calculation submodule and a temperature quality assessment information generation submodule; the temperature quality score calculation submodule is used to calculate the indoor temperature quality score after the heating task is completed according to the outdoor environment information and the user's access situation; The temperature quality assessment information generation submodule is used to generate corresponding temperature quality assessment information according to the temperature quality score; When the temperature quality score calculation submodule is working, the following formula is satisfied: ； ； ； ； ； Among them, P w Indicates the temperature quality score; W altitude represents the altitude weight in the outdoor environment information; W weather represents the outdoor temperature weight in the outdoor environment information; W user Indicates the user entry and exit frequency weight in indoor user information; e represents a common mathematical constant; T set Indicates the indoor temperature set by the user in the heating task outside the test process; T out represents the actual outdoor temperature in the outdoor environment information; g(state) represents the sensitivity selection function based on the administrator's outdoor environment rating; state represents the level of the outdoor environment rating, the rating is level 1, state=1; the rating is level 2, state=2; the rating is level 3, state=3; H max Indicates the highest altitude at which the system can operate normally after installation; H min Indicates the lowest altitude at which the system can operate normally after installation; H current Indicates the current installation altitude of the system in the outdoor environment information; F user Indicates the average entry and exit frequency of all users in the indoor user information after the system completes the heating task; F ref Indicates the entry and exit frequency threshold; When P w ≤P ref When P w >P ref When the temperature quality assessment information generating submodule generates temperature quality assessment information for indicating that the temperature quality meets the standard; ref Indicates the temperature quality assessment threshold.

3. A novel heat pump heating method using a refrigerant circulation system, applied to a novel heat pump heating system using a refrigerant circulation system as claimed in claim 2, characterized in that: The novel heat pump heating method comprises: S1, supplying refrigerant to the refrigerant pipeline and the outdoor heat exchange terminal; S2, drives the refrigerant to absorb heat from the outdoor environment to achieve heat absorption and evaporation of the refrigerant; S3, receiving the evaporated refrigerant and compressing it; S4, receiving the compressed gaseous refrigerant and driving the gaseous refrigerant to release heat, heating the indoor air to achieve indoor heating; S5, receiving the liquid refrigerant after releasing heat and expanding the liquid refrigerant to reduce the temperature and pressure of the liquid refrigerant; S6, transporting the expanded liquid refrigerant back to the outdoor heat exchange terminal to facilitate refrigerant circulation.

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