A water pump operation control method and system in a hot water pump

Abstract

The present invention relates to the technical field of hot water pump operation control, and discloses a water pump operation control method and system in a hot water pump, the method comprising: obtaining the actual temperature and target water temperature of the water pump according to a preset time period, and calculating the water temperature difference between the actual temperature and the target water temperature; comparing the water temperature difference with the preset water pump constant temperature start threshold value, obtaining a comparison result, and adjusting the intermittent operation interval of the water pump in the next cycle based on the comparison result on the basis of the intermittent operation interval of the water pump in the current cycle. The control method provided by the present invention enables the hot water pump to flexibly adjust the operation rhythm according to the actual water temperature situation, can accurately meet user needs while reducing unnecessary energy consumption, meets the requirements of energy conservation and emission reduction, finds a good balance between energy consumption and temperature regulation effect, and improves the adaptability and heating efficiency of the hot water pump heating.

Description

Technical Field

[0001] The present invention relates to the technical field of hot water pump operation control, and in particular to a water pump operation control method and system in a hot water pump. Background Art

[0002] The existing air-water heat pump has a fixed interval of intermittent operation when in standby mode. This fixed interval operation mode does have disadvantages. It cannot be automatically adjusted according to the actual situation. For example, when the heating heat pump is intermittently running in the transition season of 5-15℃, the heating load is low and the actual required pump start-up interval is long. However, due to the fixed interval of intermittent operation of the existing air-water heat pump, the pump may start frequently according to the time interval set during the high-load period. In this transition season, the indoor temperature may be close to the set temperature, and the heat loss rate is slow. However, the pump still starts at the conventional short interval, which leads to excessive intermittent start-up of the pump, consuming a lot of unnecessary electricity and increasing the user's energy cost.

[0003] In addition, different building structures, thermal insulation performance and other factors will lead to differences in their heat demand. In the case of fixed interval operation, it is impossible to make precise adjustments to these differences and cannot accurately meet the actual heat demand of the building. Summary of the invention

[0004] In view of this, the present invention provides a water pump operation control method and system in a hot water pump to solve the problem of how to dynamically adjust the intermittent start-up interval of the water pump in the hot water pump to reduce unnecessary power consumption while meeting actual heat demand.

[0005] In a first aspect, the present invention provides a method for controlling the operation of a water pump in a hot water pump, the method comprising:

[0006] Obtain the actual temperature and target water temperature of the water pump according to a preset time period, and calculate the water temperature difference between the actual temperature and the target water temperature;

[0007] The water temperature difference is compared with the preset water pump constant temperature start threshold to obtain a comparison result, and based on the comparison result, the water pump intermittent operation interval of the next cycle is adjusted on the basis of the water pump intermittent operation interval of the current cycle.

[0008] The water pump operation control method in the hot water pump provided in the embodiment of the present invention continuously obtains the actual temperature and the target water temperature according to a preset time period and calculates the difference, and then adjusts the intermittent operation interval of the water pump according to the result of comparing the difference with the preset threshold value. This allows the hot water pump to flexibly adjust the operation rhythm according to the actual water temperature situation, can accurately meet user needs, reduce unnecessary energy consumption, meet the requirements of energy conservation and emission reduction, and improve the adaptability and efficiency of hot water pump heating.

[0009] In an optional implementation manner, adjusting the intermittent operation interval of the water pump in the next cycle based on the intermittent operation interval of the water pump in the current cycle according to the comparison result includes:

[0010] Calculate the difference between the water temperature difference and the preset water pump constant temperature start threshold as a comparison difference, and determine whether to end the current water pump standby cycle according to the comparison difference;

[0011] When the comparison difference is greater than 0, it is determined that the current water pump standby cycle has not ended, the compressor has not reached the start-up condition, and the current water pump standby cycle continues, and the next cycle water pump start interval is calculated based on the preset formula;

[0012] When the comparison difference is less than or equal to 0, it is determined that the current water pump standby cycle has not ended, and the current water pump standby cycle time is recorded, and the next cycle water pump start interval is calculated based on a preset formula;

[0013] Wherein, the preset formula is: Tpumpsb(k+1)=Tpumpsb(k)+△P interval ,

[0014] Where, Tpumpsb(k+1) represents the pump start interval in the next time period, Tpumpsb(k) represents the cumulative standby time of the pump in the current standby period, △P interval is an adjustment coefficient, and there is a positive correlation between the adjustment coefficient and the comparison difference.

[0015] The embodiment of the present invention determines whether to end the standby cycle by comparing the comparison difference, and can accurately control the start-up conditions of the compressor, effectively prevent the compressor from starting too early, and accurately record the standby cycle time to optimize the interval time of the next cycle, so that the water pump start interval time can be adaptively adjusted according to actual conditions. Since there is a positive correlation between the adjustment coefficient △Pinterval and the comparison difference, when the water temperature deviates from the target value by a large amount, △Pinterval is large, and the water pump start interval time of the next cycle will increase or decrease more accordingly. The water pump start interval time can be quickly adjusted, so that the system can reach the set temperature faster, achieving a balanced energy consumption and temperature regulation effect.

[0016] In an optional implementation manner, the adjustment coefficient is positively correlated with the comparison difference, including:

[0017] The comparison difference is divided into a plurality of intervals, and a corresponding adjustment coefficient is set for each interval, and the larger the comparison difference is, the larger the corresponding adjustment coefficient is.

[0018] The embodiment of the present invention divides the difference between the water temperature difference and the preset threshold into multiple intervals, and sets a corresponding adjustment coefficient for each interval, so that the control of the hot water pump can more accurately match the actual heat demand, and flexibly use different adjustment coefficients according to the difference between the water temperature difference and the preset threshold, so as to more reasonably control the starting frequency of the water pump and avoid energy waste.

[0019] In an optional embodiment, before the step of obtaining the actual temperature and target water temperature of the water pump according to the preset time period, the method further includes:

[0020] The ambient temperature and a preset corresponding relationship between the ambient temperature and the intermittent operation interval of the water pump are obtained, and the intermittent operation interval of the water pump is initialized according to the ambient temperature and the preset corresponding relationship between the ambient temperature and the intermittent operation interval of the water pump.

[0021] The embodiment of the present invention obtains the ambient temperature when the system starts, and initializes the intermittent operation interval of the water pump according to the preset correspondence between the ambient temperature and the intermittent operation interval of the water pump, so that the hot water pump system can quickly adapt to the initial environmental conditions and provide a reasonable starting point for the entire energy allocation strategy.

[0022] In an optional implementation, the preset correspondence between the ambient temperature and the interval time of the intermittent operation of the water pump includes:

[0023] When the ambient temperature is lower than the first temperature, the water pump intermittent operation interval is the first time;

[0024] When the ambient temperature is greater than or equal to the first temperature and less than the second temperature, there is a positive correlation between the ambient temperature and the intermittent operation interval of the water pump;

[0025] When the ambient temperature is greater than the second temperature, the water pump intermittent operation interval is the second time.

[0026] The lower the ambient temperature, the greater the heating load, the faster the water temperature at the user end changes, and the shorter the interval between the intermittent starts of the water pump. Conversely, the higher the ambient temperature, the slower the water temperature changes, and the longer the interval between the intermittent starts of the water pump. In different ambient temperatures, the embodiments of the present invention can avoid frequent starts of the water pump when too much heat supplement is not needed through the above different settings.

[0027] In a second aspect, the present invention provides a water pump operation control system in a hot water pump, comprising:

[0028] The water temperature monitoring module is used to obtain the actual temperature and target water temperature of the water pump according to a preset time period, and calculate the water temperature difference between the actual temperature and the target water temperature;

[0029] The water pump operation control module is used to compare the water temperature difference with the preset water pump constant temperature start-up threshold value to obtain a comparison result, and adjust the intermittent operation interval time of the water pump in the next cycle based on the comparison result on the basis of the intermittent operation interval time of the water pump in the current cycle.

[0030] In an optional implementation, the water pump operation control module includes:

[0031] A water pump standby cycle monitoring unit, used to calculate the difference between the water temperature difference and the preset water pump constant temperature start threshold as a comparison difference, and determine whether to end the current water pump standby cycle according to the comparison difference;

[0032] The first control unit is used to determine that the current water pump standby cycle has not ended, the compressor has not reached the start-up condition, and the current water pump standby cycle continues when the comparison difference is greater than 0, and calculate the next cycle water pump start interval based on a preset formula;

[0033] The second control unit is used to determine that the current water pump standby cycle has not ended when the comparison difference is less than or equal to 0, and record the current water pump standby cycle time, and calculate the next cycle water pump start interval based on a preset formula;

[0034] Wherein, the preset formula is: Tpumpsb(k+1)=Tpumpsb(k)+△P interval ,

[0035] Where, Tpumpsb(k+1) represents the pump start interval in the next time period, Tpumpsb(k) represents the cumulative standby time of the pump in the current standby period, △P interval is an adjustment coefficient, and there is a positive correlation between the adjustment coefficient and the comparison difference.

[0036] In a third aspect, the present invention provides a computer device, comprising: a memory and a processor, the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the water pump operation control method in a hot water pump according to the first aspect or any corresponding embodiment thereof by executing the computer instructions.

[0037] In a fourth aspect, the present invention provides a computer-readable storage medium having computer instructions stored thereon, the computer instructions being used to enable a computer to execute the water pump operation control method in a hot water pump according to the first aspect or any corresponding embodiment thereof.

[0038] In a fifth aspect, the present invention provides a computer program product, comprising computer instructions for causing a computer to execute the water pump operation control method in a hot water pump according to the first aspect or any corresponding embodiment thereof. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0040] Figure 1 is a flow chart of a water pump operation control method in a hot water pump according to an embodiment of the present invention;

[0041] Figure 2 is a schematic diagram of a water pump operation control method in another hot water pump according to an embodiment of the present invention;

[0042] Figure 3 is a schematic diagram of the intermittent operation interval of the water pump when the standby is initialized according to the ambient temperature according to an embodiment of the present invention;

[0043] Figure 4 is a structural block diagram of a water pump operation control system in a hot water pump according to an embodiment of the present invention;

[0044] Figure 5 It is a schematic diagram of the hardware structure of a computer device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution 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 are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0046] In order to accurately control the intermittent start interval of the water pump in the hot water pump, unnecessary power consumption can be reduced while meeting the actual heat demand. An embodiment of the present invention provides an embodiment of a water pump operation control method in a hot water pump. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in a different order than here.

[0047] In this embodiment, a method for controlling the operation of a water pump in a hot water pump is provided. Figure 1 FIG. 1 is a flow chart of a water pump operation control method in a hot water pump according to an embodiment of the present invention. Figure 1 As shown, the process includes the following steps:

[0048] S101, obtaining the actual temperature and target water temperature of the water pump according to a preset time period, and calculating the water temperature difference between the actual temperature and the target water temperature.

[0049] Specifically, the embodiment of the present invention takes the water pump being started intermittently for 1 minute each time as an example, obtains the actual temperature and target water temperature of the water pump, and records the water temperature difference between the actual temperature and the target water temperature: △Tx=actual water temperature-target water temperature.

[0050] S102, comparing the water temperature difference with a preset water pump constant temperature start threshold to obtain a comparison result, and adjusting the water pump intermittent operation interval of the next cycle based on the water pump intermittent operation interval of the current cycle according to the comparison result.

[0051] Specifically, the preset hot water pump constant temperature start threshold is a pre-set value used to determine whether it is necessary to adjust the water pump intermittent operation interval to maintain the stability of the water temperature. In practice, when the water temperature difference is greater than the preset hot water pump constant temperature start threshold, it means that the water temperature deviates from the set temperature by a large amount, and it is necessary to shorten the water pump intermittent operation interval to allow the hot water pump to work more frequently to make the water temperature reach the set value more quickly. On the contrary, when the water temperature difference is less than the preset hot water pump constant temperature start threshold, the water temperature deviates from the set temperature by a small amount, and the water pump intermittent operation interval can be appropriately extended to reduce the working frequency of the hot water pump, thereby saving energy and maintaining the water temperature within a reasonable range.

[0052] Specifically, the process of adjusting the intermittent operation interval of the water pump in the next cycle based on the intermittent operation interval of the water pump in the current cycle according to the comparison result comprises the following steps:

[0053] S1021, calculating the difference between the water temperature difference and the preset water pump constant temperature start threshold as a comparison difference, and judging whether to end the current water pump standby cycle according to the comparison difference;

[0054] Specifically, by calculating n=ΔTx-ΔT1, the embodiment of the present invention presets the hot water pump constant temperature start-up threshold ΔT1 as the heat pump constant temperature start-up hysteresis, and heating is defined as a negative value.

[0055] S1022, when the comparison difference is greater than 0, it is determined that the current water pump standby cycle has not ended, the compressor has not reached the start-up condition, and the current water pump standby cycle continues, and the next cycle water pump start interval is calculated based on a preset formula;

[0056] S1023, when the comparison difference is less than or equal to 0, it is determined that the current water pump standby cycle has not ended, and the current water pump standby cycle time is recorded, and the next cycle water pump start interval is calculated based on a preset formula.

[0057] Among them, the preset formulas in S1022 and S1023 are:

[0058] Tpumpsb(k+1)=Tpumpsb(k)+ΔP interval ;

[0059] Where, Tpumpsb(k+1) represents the pump start interval in the next time period, Tpumpsb(k) represents the cumulative standby time of the pump in the current standby period, △P interval is the adjustment coefficient, and there is a positive correlation between the adjustment coefficient and the comparison difference.

[0060] Specifically, the comparison difference n is divided into a plurality of intervals, and a corresponding adjustment coefficient is set for each interval, and the larger the comparison difference is, the larger the corresponding adjustment coefficient is.

[0061] The embodiment of the present invention divides the difference between the water temperature difference and the preset threshold into multiple intervals, and sets a corresponding adjustment coefficient for each interval, so that the control of the hot water pump can more precisely match the actual heat demand. For example, in different seasons or different usage scenarios, the change of water temperature is complex and diverse. In winter, the water temperature may drop rapidly, and a larger water temperature difference requires a stronger adjustment measure. Through this interval division method, when the difference between the water temperature difference and the preset threshold falls into a larger interval, the corresponding larger adjustment coefficient can enable the water pump to quickly adjust the working state, such as shortening the interval time of the intermittent operation of the water pump to replenish heat faster and maintain the water temperature stable, while avoiding energy waste. When the water temperature difference is small, the corresponding adjustment coefficient is small, which means that the water pump will not over-adjust the operation interval due to a small change in water temperature. For example, in the transition season, the load of heating or hot water supply is low, and the water temperature changes relatively slowly. At this time, a smaller adjustment coefficient will prevent the interval time of the intermittent operation of the water pump from being excessively shortened, reducing the energy consumption caused by the frequent start-up of the water pump, thereby achieving high efficiency and energy saving.

[0062] In a specific example, ΔP interval Set according to the following table, where A is a constant coefficient and can be set reasonably according to actual needs.

[0063] n=△Tx-△T1 <![CDATA[△P interval (min)]]> (4，+∞) 3An (2，4] 2An (0，2] An (-1，0] 0 (-2，-1] An (-4，-2] 2An (-∞，-4] 3An

[0064] The control method provided by the embodiment of the present invention enables the water pump start interval to be adaptively adjusted according to the actual situation. Since the adjustment coefficient △Pinterval is positively correlated with the comparison difference, when the water temperature deviates from the target value by a large amount (i.e., the difference is large), △Pinterval is large, and the water pump start interval in the next cycle will increase or decrease more accordingly. For example, in the central air-conditioning system of a large building, when the indoor temperature differs greatly from the set temperature, the water pump start interval can be quickly adjusted by the above calculation formula, so that the system reaches the set temperature faster, and the system's response speed to environmental changes is improved. In addition, this adjustment method can balance energy consumption while ensuring the temperature regulation effect. In the hot water supply system, when the water temperature is close to the target temperature (the difference is small), △Pinterval is small, and the adjustment range of the water pump start interval is also small, which avoids the water pump from starting too frequently and reduces energy consumption. When the water temperature deviates far from the target temperature, the start interval can be adjusted in time to restore the water temperature to the target temperature as soon as possible, and a good balance point is found between energy consumption and temperature regulation effect, which helps to improve the energy efficiency ratio of the entire hot water pump system.

[0065] In this embodiment, a water pump operation control method in a hot water pump is provided. Figure 2 As shown, the process includes the following steps:

[0066] S201, obtaining the ambient temperature and the preset corresponding relationship between the ambient temperature and the intermittent operation interval of the water pump, and initializing the intermittent operation interval of the water pump according to the ambient temperature and the preset corresponding relationship between the ambient temperature and the intermittent operation interval of the water pump.

[0067] When the control method provided by the embodiment of the present invention is used, the initialization time of the intermittent start of the water pump needs to be confirmed according to the ambient temperature, so it is necessary to obtain the ambient temperature, and initialize the intermittent operation interval of the water pump according to the preset correspondence between the ambient temperature and the intermittent operation interval of the water pump. From the actual application requirements, it can be known that the correspondence between the two is that the lower the ambient temperature, the greater the heating load, the faster the water temperature changes at the user end, and the smaller the intermittent start interval of the water pump; conversely, the higher the ambient temperature, the slower the water temperature changes, and the larger the intermittent start interval of the water pump.

[0068] The embodiment of the present invention sets a preset correspondence between the ambient temperature and the intermittent operation interval of the water pump, including: when the ambient temperature is lower than the first temperature, the intermittent operation interval of the water pump is the first time, wherein the first time corresponds to the shortest operation interval of the water pump; when the ambient temperature is greater than or equal to the first temperature and lower than the second temperature, there is a positive correlation between the ambient temperature and the intermittent operation interval of the water pump; when the ambient temperature is greater than the second temperature, the intermittent operation interval of the water pump is the second time, wherein the second time corresponds to the longest operation interval of the water pump.

[0069] Acquiring the ambient temperature when the system starts, and initializing the intermittent operation interval of the water pump based on the preset correspondence between the ambient temperature and the intermittent operation interval of the water pump, can enable the hot water pump system to quickly adapt to the initial environmental conditions. This initialization method provides a reasonable starting point for the entire energy allocation strategy.

[0070] In a specific embodiment, if Figure 3 As shown: if the intermittent operation interval of the water pump is P0, AT is the outdoor ambient temperature, y1 is the longest operation interval of the water pump (for example, 150 minutes), and y2 is the shortest operation interval of the water pump (for example, 10 minutes).

[0071] When AT<x2(5℃), P0=y2;

[0072] When X2≤AT≤x1(15℃), P0=y2+(y1-y2)(AT-X2) / (x1-x2);

[0073] When AT>x1, P0=y1.

[0074] After the ambient temperature obtains the initial value of the intermittent operation interval of the water pump in standby mode, the subsequent intermittent operation interval of the water pump is dynamically adjusted according to steps S1021-S1023, so as to control the water pump to start after the intermittent time. The water temperature detected after starting also just meets the temperature reaching start-up conditions for the heat pump to start heating.

[0075] S202, obtaining the actual temperature and target water temperature of the water pump according to a preset time period, and calculating the water temperature difference between the actual temperature and the target water temperature. For details, please refer to the relevant description of step S101, which will not be repeated here.

[0076] S203, compare the water temperature difference with the preset water pump constant temperature start threshold, obtain a comparison result, and adjust the next cycle water pump intermittent operation interval based on the comparison result. See the relevant description of step S102 for details, which will not be repeated here.

[0077] Through the control method provided by the embodiment of the present invention, the temperature is obtained and the difference is calculated according to the preset time period. The system can continuously monitor the change of water temperature, which can bring users a good hot water use experience. For example, in a household hot water supply system, the target water temperature is set to 40°C, and the preset hot water pump constant temperature start threshold is 2°C. If the actual water temperature reaches 42°C, the water temperature difference is 2°C, which just reaches the threshold. By comparing and adjusting the intermittent operation interval time, the water temperature can be prevented from further deviating from the target value, so that the temperature of the hot water supply is always maintained within a relatively stable range, providing users with a comfortable hot water use experience.

[0078] The method provided by the embodiment of the present invention can optimize energy distribution and improve energy utilization efficiency. For example, when applied in a centralized heating system, through this control method, energy can be preferentially allocated to those areas with larger water temperature differences and greater need for heat supplementation. For example, for the hot water supply system on different floors of a large building, the water temperature of the hot water pipes on the ground floor may drop faster due to heat dissipation and other reasons, and the water temperature difference is large. The system can shorten the intermittent operation interval of this part of the water pump, give priority to ensuring the hot water supply temperature of the ground floor, and at the same time avoid the situation where the water temperature of other floors has reached the target value but continues to supply heat, thereby improving the energy utilization efficiency of the entire heating system.

[0079] The regular monitoring and adjustment method of the embodiment of the present invention can finely adjust the working state of the water pump according to the actual situation. Taking the industrial hot water circulation system as an example, the water temperature accuracy requirement is high. When the water temperature difference approaches or exceeds the threshold, the intermittent operation interval of the water pump is adjusted in time. Compared with the system without such fine adjustment, the water temperature can be controlled within a narrower fluctuation range, thereby improving the accuracy of the water temperature control of the entire system.

[0080] The embodiment of the present invention can reduce the wear of the water pump by reasonably adjusting the interval time of the intermittent operation of the water pump. If the water pump is always in a state of frequent startup, the wear of the motor and mechanical parts will be aggravated. By adjusting according to the water temperature difference, the water pump is prevented from being frequently started due to slight fluctuations in the water temperature, and the service life of the water pump can be extended. Since the service life of the water pump is extended, the frequency of equipment replacement is correspondingly reduced, thereby reducing maintenance costs. At the same time, because the system can accurately adjust the working state of the water pump according to the water temperature, the water pump operates under relatively stable working conditions, reducing the possibility of equipment damage due to abnormal working conditions.

[0081] In this embodiment, a water pump operation control system in a hot water pump is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and the descriptions that have been made will not be repeated. As used below, the term "module" can implement a combination of software and / or hardware of a predetermined function. Although the system described in the following embodiments is preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0082] This embodiment provides a water pump operation control system in a hot water pump, such as Figure 4 As shown, including:

[0083] The water temperature monitoring module 401 is used to obtain the actual temperature and target water temperature of the water pump according to a preset time period, and calculate the water temperature difference between the actual temperature and the target water temperature;

[0084] The water pump operation control module 402 is used to compare the water temperature difference with the preset water pump constant temperature start threshold value, obtain a comparison result, and adjust the water pump intermittent operation interval time of the next cycle based on the comparison result and the water pump intermittent operation interval time of the current cycle.

[0085] In some optional implementations, the water pump operation control module 402 includes:

[0086] A water pump standby cycle monitoring unit, used to calculate the difference between the water temperature difference and the preset water pump constant temperature start threshold as a comparison difference, and determine whether to end the current water pump standby cycle according to the comparison difference;

[0087] The first control unit is used to determine that the current water pump standby cycle has not ended, the compressor has not reached the start-up condition, and the current water pump standby cycle continues when the comparison difference is greater than 0, and calculate the next cycle water pump start interval based on a preset formula;

[0088] The second control unit is used to determine that the current water pump standby cycle has not ended when the comparison difference is less than or equal to 0, and record the current water pump standby cycle time, and calculate the next cycle water pump start interval based on a preset formula;

[0089] The preset formula is: Tpumpsb(k+1)=Tpumpsb(k)+△P interval ,

[0090] Where, Tpumpsb(k+1) represents the pump start interval in the next time period, Tpumpsb(k) represents the cumulative standby time of the pump in the current standby period, △P interval is the adjustment coefficient, and there is a positive correlation between the adjustment coefficient and the comparison difference.

[0091] In some optional implementations, the adjustment coefficient is positively correlated with the comparison difference, including: dividing the comparison difference into multiple intervals, and setting a corresponding adjustment coefficient for each interval, and the larger the comparison difference, the larger the corresponding adjustment coefficient.

[0092] In some optional embodiments, the above-mentioned system also includes: an interval time initialization module, which is used to obtain the ambient temperature and the preset correspondence between the ambient temperature and the intermittent operation interval time of the water pump, and initialize the intermittent operation interval time of the water pump according to the ambient temperature and the preset correspondence between the ambient temperature and the intermittent operation interval time of the water pump.

[0093] In some optional implementations, the preset correspondence between the ambient temperature and the interval time of the intermittent operation of the water pump includes:

[0094] When the ambient temperature is lower than the first temperature, the intermittent operation interval of the water pump is the first time;

[0095] When the ambient temperature is greater than or equal to the first temperature and less than the second temperature, there is a positive correlation between the ambient temperature and the intermittent operation interval of the water pump;

[0096] When the ambient temperature is greater than the second temperature, the water pump intermittent operation interval is the second time.

[0097] The further functional description of each of the above modules and units is the same as that of the above corresponding embodiments and will not be repeated here.

[0098] The water pump operation control system in the hot water pump in this embodiment is presented in the form of a functional unit, where the unit refers to an ASIC (Application Specific Integrated Circuit) circuit, a processor and memory that executes one or more software or fixed programs, and / or other devices that can provide the above functions.

[0099] The embodiment of the present invention also provides a computer device having the above Figure 4 The water pump operation control system in the hot water pump shown.

[0100] See also Figure 5 , Figure 5 is a schematic diagram of the structure of a computer device provided by an optional embodiment of the present invention, such as Figure 5 As shown, the computer device includes: one or more processors 10, a memory 20, and interfaces for connecting various components, including high-speed interfaces and low-speed interfaces. Various components are connected to each other using different buses for communication, and can be installed on a common mainboard or installed in other ways as needed. The processor can process the instructions executed in the computer device, including instructions stored in or on the memory to display the graphical information of the GUI on an external input / output device (such as, a display device coupled to the interface). In some optional embodiments, if necessary, multiple processors and / or multiple buses can be used together with multiple memories and multiple memories. Similarly, multiple computer devices can be connected, and each device provides some necessary operations (for example, as a server array, a group of blade servers, or a multi-processor system). Figure 5 A processor 10 is taken as an example.

[0101] The processor 10 may be a central processing unit, a network processor or a combination thereof. The processor 10 may further include a hardware chip. The hardware chip may be a dedicated integrated circuit, a programmable logic device or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general purpose array logic or any combination thereof.

[0102] The memory 20 stores instructions executable by at least one processor 10, so that at least one processor 10 executes the method shown in the above embodiment.

[0103] The memory 20 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function; the data storage area may store data created according to the use of the computer device, etc. In addition, the memory 20 may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some optional embodiments, the memory 20 may optionally include a memory remotely arranged relative to the processor 10, and these remote memories may be connected to the computer device 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.

[0104] The memory 20 may include a volatile memory, such as a random access memory; the memory may also include a non-volatile memory, such as a flash memory, a hard disk or a solid state drive; the memory 20 may also include a combination of the above types of memory.

[0105] The computer device further comprises a communication interface 30 for the computer device to communicate with other devices or a communication network.

[0106] The embodiment of the present invention also provides a computer-readable storage medium. The method according to the embodiment of the present invention can be implemented in hardware, firmware, or can be implemented as a computer code that can be recorded in a storage medium, or can be implemented as a computer code that is originally stored in a remote storage medium or a non-temporary machine-readable storage medium and will be stored in a local storage medium through a network download, so that the method described herein can be stored in such software processing on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. Among them, the storage medium can be a magnetic disk, an optical disk, a read-only storage memory, a random access memory, a flash memory, a hard disk or a solid-state hard disk, etc.; further, the storage medium can also include a combination of the above types of memories. It can be understood that a computer, a processor, a microprocessor central control system or programmable hardware includes a storage component that can store or receive software or computer code. When the software or computer code is accessed and executed by a computer, a processor or hardware, the method shown in the above embodiment is implemented.

[0107] A part of the present invention may be applied as a computer program product, such as a computer program instruction, which, when executed by a computer, can call or provide the method and / or technical solution according to the present invention through the operation of the computer. Those skilled in the art should understand that the existence of the computer program instruction in a computer-readable medium includes, but is not limited to, a source file, an executable file, an installation package file, etc., and accordingly, the way in which the computer program instruction is executed by the computer includes, but is not limited to: the computer directly executes the instruction, or the computer compiles the instruction and then executes the corresponding compiled program, or the computer reads and executes the instruction, or the computer reads and installs the instruction and then executes the corresponding installed program. Here, the computer-readable medium may be any available computer-readable storage medium or communication medium accessible to the computer.

[0108] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A water pump operation control method in a hot water pump, characterized in that: include: Obtain the actual temperature and target water temperature of the water pump according to a preset time period, and calculate the water temperature difference between the actual temperature and the target water temperature; The water temperature difference is compared with the preset water pump constant temperature start threshold to obtain a comparison result, and based on the comparison result, the water pump intermittent operation interval of the next cycle is adjusted on the basis of the water pump intermittent operation interval of the current cycle.

2. The method according to claim 1, characterized in that The step of adjusting the intermittent operation interval of the water pump in the next cycle based on the intermittent operation interval of the water pump in the current cycle according to the comparison result includes: Calculate the difference between the water temperature difference and the preset water pump constant temperature start threshold as a comparison difference, and determine whether to end the current water pump standby cycle according to the comparison difference; When the comparison difference is greater than 0, it is determined that the current water pump standby cycle has not ended, the compressor has not reached the start-up condition, and the current water pump standby cycle continues, and the next cycle water pump start interval is calculated based on the preset formula; When the comparison difference is less than or equal to 0, it is determined that the current water pump standby cycle is over, and the current water pump standby cycle time is recorded, and the next cycle water pump start interval is calculated based on a preset formula; Wherein, the preset formula is: Tpumpsb(k+1)=Tpumpsb(k)+△P interval , Where, Tpumpsb(k+1) represents the pump start interval in the next time period, Tpumpsb(k) represents the cumulative standby time of the pump in the current standby period, △P interval is an adjustment coefficient, and there is a positive correlation between the adjustment coefficient and the comparison difference.

3. The method according to claim 2, characterized in that The adjustment coefficient is positively correlated with the comparison difference, including: The comparison difference is divided into a plurality of intervals, and a corresponding adjustment coefficient is set for each interval, and the larger the comparison difference is, the larger the corresponding adjustment coefficient is.

4. The method according to claim 1, characterized in that: Before the step of obtaining the actual temperature and target water temperature of the water pump according to the preset time period, the method further includes: The ambient temperature and a preset corresponding relationship between the ambient temperature and the intermittent operation interval of the water pump are obtained, and the intermittent operation interval of the water pump is initialized according to the ambient temperature and the preset corresponding relationship between the ambient temperature and the intermittent operation interval of the water pump.

5. The method according to claim 4, characterized in that The preset corresponding relationship between the ambient temperature and the intermittent operation interval of the water pump includes: When the ambient temperature is lower than the first temperature, the water pump intermittent operation interval is the first time; When the ambient temperature is greater than or equal to the first temperature and less than the second temperature, there is a positive correlation between the ambient temperature and the intermittent operation interval of the water pump; When the ambient temperature is greater than the second temperature, the water pump intermittent operation interval is the second time.

6. A water pump operation control system in a hot water pump, characterized in that: include: The water temperature monitoring module is used to obtain the actual temperature and target water temperature of the water pump according to a preset time period, and calculate the water temperature difference between the actual temperature and the target water temperature; The water pump operation control module is used to compare the water temperature difference with the preset water pump constant temperature start-up threshold value to obtain a comparison result, and adjust the intermittent operation interval time of the water pump in the next cycle based on the comparison result on the basis of the intermittent operation interval time of the water pump in the current cycle.

7. The system according to claim 6, characterized in that The water pump operation control module comprises: A water pump standby cycle monitoring unit, used to calculate the difference between the water temperature difference and the preset water pump constant temperature start threshold as a comparison difference, and determine whether to end the current water pump standby cycle according to the comparison difference; The first control unit is used to determine that the current water pump standby cycle has not ended, the compressor has not reached the start-up condition, and the current water pump standby cycle continues when the comparison difference is greater than 0, and calculate the next cycle water pump start interval based on a preset formula; The second control unit is used to determine that the current water pump standby cycle has not ended when the comparison difference is less than or equal to 0, and record the current water pump standby cycle time, and calculate the next cycle water pump start interval based on a preset formula; Wherein, the preset formula is: Tpumpsb(k+1)=Tpumpsb(k)+△P interval , Where, Tpumpsb(k+1) represents the pump start interval in the next time period, Tpumpsb(k) represents the cumulative standby time of the pump in the current standby period, △P interval is an adjustment coefficient, and there is a positive correlation between the adjustment coefficient and the comparison difference.

8. A computer device, characterized in that: include: A memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the water pump operation control method in any one of claims 1-5 by executing the computer instructions.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a computer to execute the water pump operation control method in a hot water pump according to any one of claims 1 to 5.

10. A computer program product, characterized in that The method comprises computer instructions, wherein the computer instructions are used to enable a computer to execute the water pump operation control method in a hot water pump according to any one of claims 1 to 5.

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