Method and device for displaying hot water amount of water heater, water heater and storage medium

Abstract

The invention discloses a hot water amount display method and device of a water heater, the water heater and a storage medium, and relates to the technical field of household appliances. Acquiring a current set temperature; and hot water amount display parameters corresponding to the water heater are calculated according to the current environment temperature interval and the set temperature, so that the hot water amount is displayed. The specific interval is determined through the current environment temperature, calculation is carried out according to the temperature set by the user and the corresponding environment temperature interval, the current hot water amount display parameter is adjusted, the residual hot water amount of the water heater can be accurately calculated, accurate calculation can be carried out without increasing extra cost, and the user experience is improved. Hot water on the water heater can be displayed more accurately, and the use experience of a user is improved.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and in particular to a method and device for displaying the amount of hot water in a water heater, a water heater, and a storage medium. Background Art

[0002] During the use of the water heater, since the water tank is a closed or semi-closed water tank and there is no hot water volume display grid or percentage, it is difficult for the user to know whether the current state of the heat pump can meet the next water demand.

[0003] Existing water heaters use multiple temperature sensors to detect the temperature, and the simple calculation to obtain the available hot water volume is too simple or cannot more accurately reflect the actual available hot water volume. It is easy for the hot water volume grid to be insufficient after the temperature is reached and the water heater is shut down, causing complaints. Summary of the invention

[0004] The main purpose of the present application is to provide a method and device for displaying the amount of hot water in a water heater, a water heater and a storage medium, aiming to solve the technical problem that the amount of hot water in the water heater is not accurately displayed.

[0005] To achieve the above purpose, the present application proposes a method for displaying the amount of hot water in a water heater, the method comprising:

[0006] Get the current ambient temperature range of the current ambient temperature;

[0007] Get the current set temperature;

[0008] The hot water quantity display parameter corresponding to the water heater is calculated according to the current ambient temperature range and the set temperature to display the hot water quantity.

[0009] In one embodiment, the step of calculating the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range and the set temperature includes:

[0010] Determining a target heating temperature according to the current ambient temperature;

[0011] The hot water quantity display parameter corresponding to the water heater is determined according to the current ambient temperature range, the target heating temperature and the set temperature.

[0012] In one embodiment, the step of determining the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range, the target heating temperature and the set temperature includes:

[0013] Determining a target calculation strategy according to the current ambient temperature range;

[0014] The hot water quantity display parameter corresponding to the water heater is calculated by the target calculation strategy, the target heating temperature and the set temperature.

[0015] In one embodiment, the step of calculating the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range, the target heating temperature and the set temperature includes:

[0016] Calculating a plurality of temperature thresholds according to the current ambient temperature range, the target heating temperature, and the set temperature;

[0017] The hot water quantity display parameter corresponding to the water heater is determined by using the multiple temperature thresholds.

[0018] In one embodiment, the step of determining the hot water quantity display parameter corresponding to the water heater by using the plurality of temperature thresholds comprises:

[0019] Acquire a first temperature of the water tank and a second temperature of the water tank, wherein the first temperature of the water tank is greater than the second temperature of the water tank;

[0020] The hot water quantity display parameter corresponding to the water heater is determined according to the first temperature of the water tank and / or the second temperature of the water tank and a plurality of the temperature thresholds.

[0021] In one embodiment, the step of determining the hot water amount display parameter corresponding to the water heater according to the first temperature of the water tank and / or the second temperature of the water tank and a plurality of the temperature thresholds comprises:

[0022] Determine a plurality of temperature threshold intervals according to the plurality of temperature thresholds;

[0023] Determine a target temperature threshold interval in which the first temperature of the water tank and / or the second temperature of the water tank are located in the plurality of temperature threshold intervals;

[0024] Determine a hot water quantity display parameter of the water heater corresponding to the target temperature threshold interval.

[0025] In one embodiment, the step of determining the target heating temperature according to the current ambient temperature includes:

[0026] Acquire historical ambient temperature, and determine the change trend of the current ambient temperature according to the historical ambient temperature;

[0027] The target heating temperature is determined according to the change trend and the current ambient temperature.

[0028] In addition, to achieve the above-mentioned purpose, the present application also proposes a water heater hot water quantity display device, the water heater hot water quantity display device comprising:

[0029] An acquisition module is used to obtain the current ambient temperature range in which the current ambient temperature is located;

[0030] The acquisition module is also used to obtain the current set temperature;

[0031] The determination module is used to determine the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range and the set temperature so as to display the hot water quantity.

[0032] In addition, to achieve the above-mentioned purpose, the present application also proposes a water heater hot water quantity display device, which includes: a memory, a processor, and a computer program stored in the memory and executable on the processor, and the computer program is configured to implement the steps of the water heater hot water quantity display method as described above.

[0033] In addition, to achieve the above-mentioned purpose, the present application also proposes a storage medium, which is a computer-readable storage medium, and a computer program is stored on the storage medium. When the computer program is executed by the processor, the steps of the water heater hot water amount display method as described above are implemented.

[0034] In addition, to achieve the above-mentioned purpose, the present application also provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the steps of the method for displaying the amount of hot water in a water heater as described above are implemented.

[0035] One or more technical solutions proposed in this application are to obtain the current ambient temperature interval in which the current ambient temperature is located; obtain the current set temperature; and calculate the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature interval and the set temperature to display the hot water quantity. The specific interval is determined by the current ambient temperature, and then the current hot water quantity display parameter is adjusted according to the temperature set by the user and the corresponding ambient temperature interval, so that the remaining hot water quantity of the water heater can be accurately calculated. Accurate calculation can be performed without adding additional costs, which can make the hot water display on the water heater more accurate and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0037] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0038] Figure 1A schematic diagram of a process flow provided in Embodiment 1 of the method for displaying the amount of hot water in a water heater of the present application;

[0039] Figure 2 A schematic diagram of the relationship between the current ambient temperature and the current ambient temperature range in which the current ambient temperature is located in an embodiment of a method for displaying the amount of hot water in a water heater of the present application;

[0040] Figure 3 A schematic diagram of the water tank structure of the water heater for this application;

[0041] Figure 4 A schematic diagram of a flow chart provided for Embodiment 2 of the method for displaying the amount of hot water in a water heater of the present application;

[0042] Figure 5 This is a schematic diagram of the relationship between the current ambient temperature and the target heating temperature in an embodiment of a method for displaying the amount of hot water in a water heater of the present application;

[0043] Figure 6 A schematic diagram of a flow chart provided for Embodiment 3 of the method for displaying the amount of hot water in a water heater of the present application;

[0044] Figure 7 A schematic diagram of a flow chart provided for Embodiment 4 of the method for displaying the amount of hot water in a water heater of the present application;

[0045] Figure 8 This is a schematic diagram of the module structure of the hot water quantity display device of the water heater according to the embodiment of the present application;

[0046] Fig. 9 Schematic diagram of the device structure of the hardware operating environment involved in the method for displaying the amount of hot water in a water heater in an embodiment of the present application.

[0047] The purpose, features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0048] It should be understood that the specific embodiments described herein are only used to explain the technical solutions of the present application and are not used to limit the present application.

[0049] In order to better understand the technical solution of the present application, a detailed description will be given below in conjunction with the accompanying drawings and specific implementation methods.

[0050] The main solution of the embodiment of the present application is: obtain the current ambient temperature range in which the current ambient temperature is located; obtain the current set temperature; calculate the hot water quantity display parameters corresponding to the water heater according to the current ambient temperature range and the set temperature to display the hot water quantity.

[0051] Since the hot water volume of the existing water heater is not full after reaching the set temperature and shuts down, the displayed hot water volume is less than the actual hot water volume, which is inaccurate, and the displayed hot water volume is more than the actual hot water volume, which is inaccurate, causing users to misjudge that there is no hot water available during the water use process. After using some hot water, the number of hot water volume grids is low, and users dare not use water (such as taking a bath, etc.), but there is actually enough hot water for use, which is a poor experience. After using some hot water, the machine is turned on when the number of hot water grids is still full. If it is a heat pump water heater, under the rule that the lower the water temperature, the higher the energy efficiency coefficient, the user misjudges that the machine is not energy-saving, and turns on the machine when it is still full, complaining that the actual energy efficiency is not high.

[0052] The present application provides a solution by setting multiple temperature intervals and calculating the corresponding water tank temperature according to the temperature interval in which the current ambient temperature is located, thereby determining specific display parameters and improving the accuracy of the display of the remaining hot water amount in the water tank.

[0053] It should be noted that the execution subject of this embodiment can be a computing service device with data processing, network communication and program running functions, such as a tablet computer, a personal computer, a mobile phone, etc., or an electronic device capable of realizing the above functions, a water heater hot water quantity display device, etc. The following takes the water heater hot water quantity display device as an example to illustrate this embodiment and the following embodiments.

[0054] Based on this, the embodiment of the present application provides a method for displaying the amount of hot water in a water heater, referring to Figure 1 , Figure 1 This is a flow chart of the first embodiment of the method for displaying the amount of hot water in a water heater of the present application.

[0055] In this embodiment, the method for displaying the amount of hot water in a water heater includes steps S10 to S30:

[0056] Step S10: Obtain the current ambient temperature range in which the current ambient temperature is located.

[0057] It should be noted that the current ambient temperature can be measured by an ambient temperature sensor set outdoors or indoors, and the current ambient temperature range in which the current ambient temperature is located can be divided in advance, as shown in Table 1 below, which is a relationship table between ambient temperature and ambient temperature range.

[0058] Table 1

[0059] Ambient temperature T Ambient temperature range T≧T1 Interval A1 T1>T≧T2 Interval A2 T2>T≧T3 Interval B T5>T≧T4 Interval C1 T4>T≧T5 Interval C2 T5>T≧T6 Interval C3 T<T6 Interval C4

[0060] T1>T2>T3>T4>T5>T6, when the ambient temperature is different, the corresponding ambient temperature range is also different. For example, the ambient temperature is greater than or equal to T1, and the ambient temperature range is range A1.

[0061] In a specific implementation, the historical ambient temperature can be obtained, the change trend of the current ambient temperature can be obtained based on the historical ambient temperature, and the current ambient temperature range in which the current ambient temperature is located can be determined based on the change trend and the current ambient temperature. Figure 2 As shown, Figure 2 It is a schematic diagram of the relationship between the current ambient temperature and the current ambient temperature interval in which the current ambient temperature is located. For example, if the change trend is an upward trend, T1 is 40°C, T2 is 32°C, T3 is 20°C, T4 is 8°C, T5 is -2°C, and T6 is -8°C. When the current ambient temperature is greater than or equal to 40°C, the ambient temperature interval is A1. When the current ambient temperature is in [32, 40), the corresponding ambient temperature interval is interval A2. When the current ambient temperature is in [20, 32), the corresponding ambient temperature interval is interval A3. When the current ambient temperature is in [8, 20), the corresponding ambient temperature interval is interval A4. When the current ambient temperature is in [-2, 8), the corresponding ambient temperature interval is interval A5. When the current ambient temperature is in [-8, -2), the corresponding ambient temperature interval is interval A6.

[0062] If the change trend is a downward trend, T1 is 38°C, T2 is 30°C, T3 is 18°C, T4 is 6°C, T5 is -4°C, and T6 is -10°C. When the current ambient temperature is greater than or equal to 38°C, the ambient temperature interval is A1. When the current ambient temperature is in [30, 38), the corresponding ambient temperature interval is interval A2. When the current ambient temperature is in [18, 30), the corresponding ambient temperature interval is interval A3. When the current ambient temperature is in [6, 18), the corresponding ambient temperature interval is interval A4. When the current ambient temperature is in [-4, 6), the corresponding ambient temperature interval is interval A5. When the current ambient temperature is in [-10, -4), the corresponding ambient temperature interval is interval A6.

[0063] Step S20: Obtain the current set temperature.

[0064] It should be noted that the current set temperature is the temperature set by the user. For example, if the user sets the heating temperature of the water heater to 50 degrees Celsius, the current set temperature is 50 degrees Celsius. The current set temperature can be adjusted according to the current ambient temperature. The lower the ambient temperature, the higher the set temperature set by the user.

[0065] Step S30: Calculating the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range and the set temperature to display the hot water quantity.

[0066] In a specific implementation, different ambient temperature intervals have different calculation methods for the hot water quantity display parameter. The specific calculation method can be determined according to the current ambient temperature interval, so that the hot water quantity display parameter corresponding to the water heater is calculated using the set temperature through the calculation method, so as to display the hot water quantity on the water heater. The hot water quantity display parameter can be a proportion of the hot water quantity display or displayed according to a set number of grids. For example, if the hot water quantity is full of hot water, the hot water quantity display parameter is 100% or full grid is displayed. If the hot water quantity is 20% of the hot water in the water tank, the hot water quantity display parameter is 20% or one grid is displayed.

[0067] In a specific implementation, the maximum water temperature that the corresponding heat pump can heat can also be determined according to the current ambient temperature. The maximum water temperature that the heat pump can heat is different under different ambient temperatures. For example, the lower the ambient temperature, the higher the maximum water temperature that the heat pump can heat.

[0068] like Figure 3 As shown, Figure 3 This is a schematic diagram of the water tank structure of the water heater. The water tank includes an outer shell, a foaming layer, a water inlet pipe, a water outlet pipe and a water tank liner. There are two temperature sensors on the water tank, one located above the water tank and the other located below the water tank, which measure the upper temperature T5U and the lower temperature T5L of the water tank respectively.

[0069] This embodiment provides a method for displaying the amount of hot water in a water heater, which includes obtaining the current ambient temperature interval in which the current ambient temperature is located; obtaining the current set temperature; and calculating the corresponding hot water amount display parameter of the water heater according to the current ambient temperature interval and the set temperature to display the amount of hot water. By determining a specific interval through the current ambient temperature, the current hot water amount display parameter is adjusted according to the temperature set by the user and the corresponding ambient temperature interval, and the remaining amount of hot water in the water heater can be accurately calculated. Accurate calculation can be performed without adding additional costs, which can make the hot water display on the water heater more accurate and improve the user experience.

[0070] Based on the first embodiment of the present application, in the second embodiment of the present application, the same or similar contents as those in the above-mentioned embodiment 1 can be referred to the above introduction, and will not be repeated in the following. Figure 4 , step S20 includes steps S201 to S202:

[0071] Step S201: determining a target heating temperature according to the current ambient temperature.

[0072] It should be noted that the target heating temperature is Tstop, that is, the maximum water temperature that the heat pump can heat. The maximum water temperature that the heat pump can heat is not a fixed value. The target heating temperature changes continuously according to the current ambient temperature. For example, if the current ambient temperature is in the range of 40 to 46 degrees Celsius, the target heating temperature is 45 degrees Celsius. If the current ambient temperature is in the range of -2 to 8 degrees Celsius, the target heating temperature is 60 degrees Celsius.

[0073] In a feasible implementation, step S201 may include steps A21 to A22:

[0074] Step A21: Acquire historical ambient temperature, and determine the change trend of the current ambient temperature according to the historical ambient temperature.

[0075] It should be noted that the historical ambient temperature may be the ambient temperature before the current ambient temperature, for example, the ambient temperature 30 minutes before the current ambient temperature is counted as the historical ambient temperature, and the change trend of the current ambient temperature is determined based on the historical ambient temperature. The change trend of the current ambient temperature may be an upward trend or a downward trend.

[0076] Step A22: Determine the target heating temperature according to the change trend and the current ambient temperature.

[0077] In a specific implementation, when the change trend is different, the target heating temperature may be the same or different. For example, when the ambient temperature is on an upward trend and the current ambient temperature is 41 degrees Celsius, the determined target heating temperature is 45 degrees Celsius. When the ambient temperature is on a downward trend and the current ambient temperature is 41 degrees Celsius, the determined target heating temperature is 45 degrees Celsius.

[0078] like Figure 5 As shown, Figure 5 It is a schematic diagram of the relationship between the current ambient temperature and the target heating temperature. For example, if the change trend is an upward trend, the current ambient temperature is in the range of 40 to 46 degrees Celsius, and the target heating temperature is 45 degrees Celsius; the current ambient temperature is in the range of 32 to 40 degrees Celsius, and the target heating temperature is 52 degrees Celsius; the current ambient temperature is in the range of 8 to 32 degrees Celsius, and the target heating temperature is 55 degrees Celsius; the current ambient temperature is in the range of -2 to 8 degrees Celsius, and the target heating temperature is 60 degrees Celsius; the current ambient temperature is in the range of -8 to -2 degrees Celsius, and the target heating temperature is 59 degrees Celsius; the current ambient temperature is in the range of -11 to -8 degrees Celsius, and the target heating temperature is 50 degrees Celsius; the current ambient temperature is in the range of -16 to -11 degrees Celsius, and the target heating temperature is 45 degrees Celsius; the current ambient temperature is in the range of -20 to -16 degrees Celsius, and the target heating temperature is 43 degrees Celsius.

[0079] If the change trend is a downward trend, the current ambient temperature is in the range of 45 to 39 degrees Celsius, the target heating temperature is 45 degrees Celsius; the current ambient temperature is in the range of 31 to 39 degrees Celsius, the target heating temperature is 52 degrees Celsius; the current ambient temperature is in the range of 7 to 31 degrees Celsius, the target heating temperature is 55 degrees Celsius; the current ambient temperature is in the range of -3 to 7 degrees Celsius, the target heating temperature is 60 degrees Celsius; the current ambient temperature is in the range of -9 to -3 degrees Celsius, the target heating temperature is 59 degrees Celsius; the current ambient temperature is in the range of -12 to -9 degrees Celsius, the target heating temperature is 50 degrees Celsius; the current ambient temperature is in the range of -17 to -12 degrees Celsius, the target heating temperature is 45 degrees Celsius; the current ambient temperature is in the range of -21 to -17 degrees Celsius, the target heating temperature is 43 degrees Celsius.

[0080] Step S202: determining a hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range, the target heating temperature and the set temperature.

[0081] It is understandable that the hot water quantity display parameters corresponding to the water heater can be calculated based on the current ambient temperature range, the target heating temperature and the set temperature.

[0082] In a specific implementation, the set temperature can be compared with the target heating temperature to determine the hot water volume display parameter corresponding to the current ambient temperature range.

[0083] This embodiment determines the target heating temperature according to the current ambient temperature; and determines the hot water quantity display parameters corresponding to the water heater according to the current ambient temperature range, the target heating temperature and the set temperature. By determining the target heating temperature according to the current ambient temperature, the method can ensure that the hot water temperature output by the water heater more accurately meets the user's needs and is not affected by changes in the external ambient temperature. This not only improves the user's experience, but also avoids safety hazards or energy waste caused by excessively high or low temperatures. Based on the current ambient temperature range, the target heating temperature and the temperature set by the user, the hot water quantity display parameters provided by the water heater are dynamically adjusted. This intelligent adjustment mechanism can make the water heater run more efficiently, that is, while meeting the user's hot water needs, it reduces unnecessary heating processes, thereby achieving the effect of energy conservation and emission reduction.

[0084] Based on the second embodiment of the present application, in the third embodiment of the present application, the same or similar contents as those in the above-mentioned second embodiment can refer to the above introduction, and will not be repeated in the following. Figure 6 , step S202 includes steps B21-B22:

[0085] Step B21: Determine a target calculation strategy according to the current ambient temperature range.

[0086] It should be noted that when the current ambient temperature range is different, the corresponding calculation method is also different. For example, if the current ambient temperature range is A1, the target calculation strategy is S1, and if the current ambient temperature range is A2, the corresponding target calculation strategy is S2. Therefore, the corresponding relationship between the ambient temperature range and the calculation strategy can be established in advance, so as to determine the target calculation strategy through the corresponding relationship and the current ambient temperature range.

[0087] Step B22: Calculate the hot water quantity display parameter corresponding to the water heater through the target calculation strategy, the target heating temperature and the set temperature.

[0088] In a specific implementation, the hot water quantity display parameters corresponding to the water heater within the current ambient temperature range can be calculated according to the target calculation strategy, the target heating temperature and the set temperature.

[0089] For example, the current ambient temperature range is different, and the target calculation strategy can be a calculation formula, that is, the corresponding calculation formula is different. Therefore, the corresponding hot water volume display parameters of the water heater can be calculated using the corresponding calculation formula by setting the temperature and the target heating temperature.

[0090] Determine the target calculation strategy according to the current ambient temperature range; calculate the hot water quantity display parameter corresponding to the water heater through the target calculation strategy, the target heating temperature and the set temperature. By determining the target calculation strategy according to the current ambient temperature range, this method enables the water heater to more flexibly respond to usage requirements under different environmental conditions. Different ambient temperature ranges may require different heating strategies to achieve the best hot water supply effect. This method ensures the adaptability and flexibility of the system and improves the applicability of the equipment in various environments.

[0091] Based on the second embodiment of the present application, in the fourth embodiment of the present application, the same or similar contents as those in the above-mentioned second embodiment can refer to the above introduction, and will not be repeated in the following. Figure 7 , step S202 includes steps C21 to C22:

[0092] Step C21: Calculate multiple temperature thresholds according to the current ambient temperature range, the target heating temperature and the set temperature.

[0093] It should be noted that multiple temperature thresholds can be calculated based on the current ambient temperature range, the target heating temperature and the set temperature. The temperature thresholds are comparative temperature values ​​of the upper temperature of the water tank and the lower temperature of the water tank under different conditions.

[0094] For example, if the current ambient temperature interval is the A1 interval, the set temperature can be compared with the target heating temperature, so as to calculate multiple temperature thresholds according to the target heating temperature and the set temperature. The multiple temperature thresholds can include T5U_A, T5U_B, T5U_C, T5U_D, T5U_M from large to small, and can also include T5L_E, T5L_F, T5L_G, and T5L_H. The set temperature is Ts, and the target heating temperature is Tstop.

[0095] A1 interval:

[0096] a. When the set temperature Ts ≥ the target heating temperature Tstop+1 (e.g. 46), T5U_A = Tstop-3 (e.g. 42), otherwise, T5U_A = Ts-3;

[0097] b. When the set temperature Ts≥46, T5U_B=T5U_A-1, otherwise, T5U_B=T5U_A+1;

[0098] c. When the set temperature Ts≥50, T5U_C=T5U_B-3; when 50>set temperature Ts≥44, T5U_C=T5U_B-3; when 44>Ts≥40, T5U_C=T5U_B-2; when 40>Ts, T5U_C=T5U_B-1;

[0099] d. When Ts≥51, T5U_D=T5U_C-3; when 51>Ts≥45, T5U_D=T5U_C-3; when 45>Ts≥43, T5U_D=T5U_C-3; when 43>Ts≥40, T5U_D=T5U_C-2; when 40>Ts, T5U_D=T5U_C-1;

[0100] e. T5L_E = T5U_D;

[0101] f, T5L_F = T5U_A;

[0102] g, T5L_G = T5U_C-1;

[0103] h, T5L_H = T5U_D-1;

[0104] m. When the set temperature Ts≥45, T5U_M=T5U_D-2, otherwise, T5U_M=T5U_D-1.

[0105] In the A1 interval, the corresponding ambient temperature is relatively high. At this time, the target heating temperature may be 45 degrees Celsius. If the set temperature is greater than or equal to 46 degrees Celsius, T5U_A=Tstop-3=45-3=42. If the set temperature is less than 46 degrees Celsius, T5U_A=set temperature-3. If the set temperature is greater than or equal to 46 degrees Celsius, T5U_A is obtained at this time. T5U_B can be calculated based on T5U_A, and then T5U_C, T5U_D, T5U_M, T5L_E, T5L_F, T5L_G and T5L_H can be further calculated based on the relationship between the set temperature and the temperature constant, thereby obtaining multiple temperature thresholds.

[0106] Similarly, when the current ambient temperature is in the A2 range, the calculation process is as follows:

[0107] a. When Ts≥Tstop+1 (such as 54), T5U_A=Tstop-4 (such as 49), otherwise, T5U_A=Ts-3;

[0108] b. When Ts≥47, T5U_B=T5U_A-2, otherwise, T5U_B=T5U_A-1;

[0109] c. When Ts≥50, T5U_C=T5U_B-4; when 50>Ts≥44, T5U_C=T5U_B-3; when 44>Ts≥40, T5U_C=T5U_B-2; when 40>Ts, T5U_C=T5U_B-1;

[0110] d. When Ts≥51, T5U_D=T5U_C-5;

[0111] When 51>Ts≥46, T5U_D=T5U_C-4; when 46>Ts≥43, T5U_D=T5U_C-3; when 43>Ts≥40, T5U_D=T5U_C-2; when 40>Ts, T5U_D=T5U_C-1;

[0112] e. T5L_E = T5U_D;

[0113] f, T5L_F = T5U_A;

[0114] g, T5L_G = T5U_C-1;

[0115] h, T5L_H = T5U_D-1;

[0116] m. When Ts≥45, T5U_M=T5U_D-2, otherwise, T5U_M=T5U_D-1.

[0117] When the current ambient temperature is in interval B, the calculation process is as follows:

[0118] a. When Ts≥Tstop+1 (such as 56), T5U_A=Tstop-2 (such as 53), otherwise, T5U_A=Ts-2;

[0119] b. When Ts≥47, T5U_B=T5U_A-2, otherwise, T5U_B=T5U_A-1;

[0120] c. When Ts≥50, T5U_C=T5U_B-4; when 50>Ts≥44, T5U_C=T5U_B-3; when 44>Ts≥40, T5U_C=T5U_B-2; when 40>Ts, T5U_C=T5U_B-2;

[0121] d. When Ts≥54, T5U_D=T5U_C-6; when 54>Ts≥51, T5U_D=T5U_C-5; when 51>Ts≥46, T5U_D=T5U_C-4; when 46>Ts≥43, T5U_D=T5U_C-3; when 43>Ts, T5U_D=T5U_C-2;

[0122] e. T5L_E = T5U_D;

[0123] f, T5L_F = T5U_A;

[0124] g, T5L_G = T5U_C-1;

[0125] h, T5L_H = T5U_D-1;

[0126] m. When Ts≥45, T5U_M=T5U_D-2, otherwise, T5U_M=T5U_D-1.

[0127] When the current ambient temperature is in the C1 range, the calculation process is as follows:

[0128] a. When Ts≥Tstop+1 (such as 56), T5U_A=Tstop-4 (such as 51), otherwise, T5U_A=Ts-4;

[0129] b. When Ts≥47, T5U_B=T5U_A-2, otherwise, T5U_B=T5U_A-1;

[0130] c. When Ts≥50, T5U_C=T5U_B-4; when 50>Ts≥44, T5U_C=T5U_B-3; when 44>Ts≥40, T5U_C=T5U_B-2; when 40>Ts, T5U_C=T5U_B-2;

[0131] d. When Ts≥54, T5U_D=T5U_C-6; when 54>Ts≥51, T5U_D=T5U_C-5; when 51>Ts≥46, T5U_D=T5U_C-4; when 46>Ts≥43, T5U_D=T5U_C-3; when 43>Ts, T5U_D=T5U_C-2;

[0132] e. When Ts≥56, T5L_E=49, otherwise, T5L_E=Ts-6;

[0133] f, T5L_F = T5U_A;

[0134] g, T5L_G = T5U_C-1;

[0135] h, T5L_H = T5U_D-1;

[0136] m. When Ts≥45, T5U_M=T5U_D-2, otherwise, T5U_M=T5U_D-1.

[0137] When the current ambient temperature is in the C2 range, the calculation process is as follows:

[0138] a. When Ts≥Tstop+1 (such as 61), T5U_A=Tstop-4 (such as 56), otherwise, T5U_A=Ts-4;

[0139] b. When Ts≥47, T5U_B=T5U_A-2, otherwise, T5U_B=T5U_A-1;

[0140] c. When Ts≥50, T5U_C=T5U_B-4; when 50>Ts≥44, T5U_C=T5U_B-3; when 44>Ts≥40, T5U_C=T5U_B-2; when 40>Ts, T5U_C=T5U_B-2;

[0141] d. When Ts≥54, T5U_D=T5U_C-6; when 54>Ts≥51, T5U_D=T5U_C-5; when 51>Ts≥46, T5U_D=T5U_C-4; when 46>Ts≥43, T5U_D=T5U_C-3; when 43>Ts, T5U_D=T5U_C-2;

[0142] e. When Ts≥61, T5L_E=54, otherwise, T5L_E=Ts-6;

[0143] f, T5L_F = T5U_A;

[0144] g, T5L_G = T5U_C-1;

[0145] h, T5L_H = T5U_D-1;

[0146] m. When Ts≥45, T5U_M=T5U_D-2, otherwise, T5U_M=T5U_D-1.

[0147] When the current ambient temperature is in the C3 range, the calculation process is as follows:

[0148] a. When Ts≥Tstop+1 (e.g. 60), T5U_A=Tstop-4 (e.g. 55), otherwise, T5U_A=Ts-4;

[0149] b. When Ts≥47, T5U_B=T5U_A-2, otherwise, T5U_B=T5U_A-1;

[0150] c. When Ts≥50, T5U_C=T5U_B-4; when 50>Ts≥44, T5U_C=T5U_B-3; when 44>Ts≥40, T5U_C=T5U_B-2; when 40>Ts, T5U_C=T5U_B-2;

[0151] d. When Ts≥54, T5U_D=T5U_C-6; when 54>Ts≥51, T5U_D=T5U_C-5; when 51>Ts≥46, T5U_D=T5U_C-4; when 46>Ts≥43, T5U_D=T5U_C-3; when 43>Ts, T5U_D=T5U_C-2;

[0152] e. When Ts≥60, T5L_E=53, otherwise, T5L_E=Ts-6;

[0153] f, T5L_F = T5U_A;

[0154] g, T5L_G = T5U_C-1;

[0155] h, T5L_H = T5U_D-1;

[0156] m. When Ts≥45, T5U_M=T5U_D-2, otherwise, T5U_M=T5U_D-1.

[0157] When the current ambient temperature is in the C4 range, the calculation process is as follows:

[0158] a. When Ts≥Tstop+1 (such as 51), T5U_A=Tstop-4 (such as 46), otherwise, T5U_A=Ts-4;

[0159] b. When Ts≥47, T5U_B=T5U_A-2, otherwise, T5U_B=T5U_A-1;

[0160] c. When Ts≥50, T5U_C=T5U_B-4; when 50>Ts≥44, T5U_C=T5U_B-3; when 44>Ts≥40, T5U_C=T5U_B-2; when 40>Ts, T5U_C=T5U_B-2;

[0161] d. When Ts≥54, T5U_D=T5U_C-4; when 54>Ts≥51, T5U_D=T5U_C-4; when 51>Ts≥46, T5U_D=T5U_C-4; when 46>Ts≥43, T5U_D=T5U_C-3; when 43>Ts, T5U_D=T5U_C-2;

[0162] e. When Ts≥51, T5L_E=44, otherwise, T5L_E=Ts-6;

[0163] f, T5L_F = T5U_A;

[0164] g, T5L_G = T5U_C-1;

[0165] h, T5L_H = T5U_D-1;

[0166] m. When Ts≥45, T5U_M=T5U_D-2, otherwise, T5U_M=T5U_D-1.

[0167] Step C22: Determine the hot water quantity display parameter corresponding to the water heater through the multiple temperature thresholds.

[0168] It is understandable that after obtaining multiple temperature thresholds, the temperature threshold to which the water tank temperature is close can be determined, thereby determining the hot water quantity display parameter corresponding to the water heater.

[0169] In a feasible implementation, step C22 may include: obtaining a first water tank temperature and a second water tank temperature, wherein the first water tank temperature is greater than the second water tank temperature; determining the hot water volume display parameter corresponding to the water heater based on the first water tank temperature and / or the second water tank temperature and multiple temperature thresholds.

[0170] It should be noted that the first temperature of the water tank is the upper temperature of the water tank, and the second temperature of the water tank is the lower temperature of the water tank. The hot water volume display parameters corresponding to the water heater can be determined based on the upper temperature T5U of the water tank, the lower temperature T5L of the water tank and multiple parameters in the multiple temperature thresholds.

[0171] In a feasible implementation manner, the step of determining the hot water quantity display parameter corresponding to the water heater according to the first temperature of the water tank and / or the second temperature of the water tank and a plurality of the temperature thresholds includes:

[0172] Determine a plurality of temperature threshold intervals according to the plurality of temperature thresholds;

[0173] Determine a target temperature threshold interval in which the first temperature of the water tank and / or the second temperature of the water tank are located in the plurality of temperature threshold intervals;

[0174] Determine a hot water quantity display parameter of the water heater corresponding to the target temperature threshold interval.

[0175] It should be noted that multiple temperature threshold intervals can be determined based on multiple temperature thresholds, which may specifically include: greater than or equal to T5U_A, [T5U_B, T5U_A), [T5U_C, T5U_B), [T5U_D, T5U_C), [T5U_M, T5U_D), less than T5U_M, greater than or equal to T5L_E, greater than or equal to T5L_F, less than T5L_E, less than T5L_F, greater than or equal to T5L_G, less than T5L_G, greater than or equal to T5L_H and less than T5L_H.

[0176] It is understandable that the first water tank temperature and / or the second water tank temperature may be compared with a plurality of temperature thresholds to determine a target temperature threshold interval in which the first water tank temperature and / or the second water tank temperature is located among the plurality of temperature threshold intervals. For example, the target temperature threshold interval is determined based on the first water tank temperature or based on the first water tank temperature and the second water tank temperature.

[0177] In a specific implementation, the hot water volume display parameter of the corresponding water heater can be determined according to the target temperature threshold interval, as shown in Table 2 below. Table 2 is a relationship table between the temperature threshold interval and the hot water volume display parameter:

[0178] Table 2

[0179] T5U≥T5U_A T5L ≥ T5L_E 5 grids (100%) T5U_A>T5U≥T5U_B T5L ≥ T5L_F 5 grids (100%) T5U≥T5U_A T5L<T5L_E 4 grids (80%) T5U_A>T5U≥T5U_B T5L<T5L_F 4 grids (80%) T5U_B>T5U≥T5U_C T5L≥T5L_G 4 grids (80%) T5U_B>T5U≥T5U_C T5L<T5L_G 3 grids (60%) T5U_C>T5U≥T5U_D T5L≥T5L_H 3 grids (60%) T5U_C>T5U≥T5U_D T5L<T5L_H 2 grids (40%) T5U_D>T5U≥T5U_M / 1 grid (20%) T5U<T5U_M / 0 grid (0%)

[0180] For example, the target temperature threshold interval determined according to the first temperature and the second temperature of the water tank is T5U_B>T5U≥T5U_C and T5L<T5L_G, and the corresponding hot water volume display parameter of the water heater is 4 grids (80%).

[0181] In a specific implementation, the remaining hot water volume can also be calculated according to the target temperature threshold interval, for example, the remaining hot water volume corresponding to different temperature threshold intervals can be set in advance, so as to determine the specific hot water volume display parameters according to the remaining hot water volume.

[0182] This embodiment calculates multiple temperature thresholds according to the current ambient temperature range, the target heating temperature, and the set temperature; and determines the hot water quantity display parameter corresponding to the water heater through the multiple temperature thresholds. By calculating multiple temperature thresholds according to the current ambient temperature range, the target heating temperature, and the temperature set by the user, fine control of the water heater heating process can be achieved. This method of setting multiple temperature thresholds enables the system to adopt different control strategies in different heating stages, thereby improving the accuracy and response speed of temperature control. As a result, the displayed hot water quantity can more accurately represent the available hot water quantity.

[0183] It should be noted that the above examples are only used to understand the present application and do not constitute a limitation on the method for displaying the amount of hot water in the water heater of the present application. More simple transformations based on this technical concept are all within the scope of protection of the present application.

[0184] This application also provides a water heater hot water quantity display device, please refer to Figure 8 , the water heater hot water quantity display device comprises:

[0185] The acquisition module 10 is used to acquire the current ambient temperature range in which the current ambient temperature is located.

[0186] The acquisition module 10 is also used to acquire the current set temperature.

[0187] The determination module 20 is used to determine the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range and the set temperature, so as to display the hot water quantity.

[0188] The hot water quantity display device for water heaters provided by the present application adopts the hot water quantity display method for water heaters in the above embodiment, which can solve the technical problem that the hot water quantity display of water heaters is not accurate enough. Compared with the prior art, the beneficial effects of the hot water quantity display device for water heaters provided by the present application are the same as the beneficial effects of the hot water quantity display method for water heaters provided by the above embodiment, and other technical features of the hot water quantity display device for water heaters are the same as the features disclosed in the above embodiment method, which will not be described in detail here.

[0189] In one embodiment, the determination module 20 is further used to determine the target heating temperature according to the current ambient temperature; and determine the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range, the target heating temperature and the set temperature.

[0190] In one embodiment, the determination module 20 is further used to determine a target calculation strategy according to the current ambient temperature range; and calculate the hot water quantity display parameter corresponding to the water heater through the target calculation strategy, the target heating temperature and the set temperature.

[0191] In one embodiment, the determination module 20 is further used to calculate a plurality of temperature thresholds according to the current ambient temperature range, the target heating temperature and the set temperature; and determine the hot water quantity display parameters corresponding to the water heater through the plurality of temperature thresholds.

[0192] In one embodiment, the determination module 20 is also used to obtain a first water tank temperature and a second water tank temperature, wherein the first water tank temperature is greater than the second water tank temperature; and determine the hot water quantity display parameters corresponding to the water heater according to the first water tank temperature and / or the second water tank temperature and multiple temperature thresholds.

[0193] In one embodiment, the determination module 20 is also used to determine multiple temperature threshold intervals based on the multiple temperature thresholds; determine the target temperature threshold interval in which the first temperature of the water tank and / or the second temperature of the water tank are located in the multiple temperature threshold intervals; and determine the hot water volume display parameters of the water heater corresponding to the target temperature threshold interval.

[0194] In one embodiment, the determination module 20 is further used to obtain historical ambient temperatures, and determine a change trend of the current ambient temperature based on the historical ambient temperatures; and determine a target heating temperature based on the change trend and the current ambient temperature.

[0195] The present application provides a water heater, which includes: at least one processor; and a memory that is communicatively connected to the at least one processor; wherein the memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the method for displaying the amount of hot water in the water heater in the above-mentioned embodiment 1.

[0196] Reference below Fig. 9 , which shows a schematic diagram of the structure of a water heater suitable for implementing the embodiment of the present application. The water heater in the embodiment of the present application may include but is not limited to mobile terminals such as mobile phones, laptop computers, digital broadcast receivers, PDAs (Personal Digital Assistants), PADs (Portable Application Descriptions), PMPs (Portable Media Players), vehicle-mounted terminals (such as vehicle-mounted navigation terminals), etc., and fixed terminals such as digital TVs, desktop computers, etc. Fig. 9 The water heater shown is merely an example and should not bring any limitation to the functions and scope of use of the embodiments of the present application.

[0197] like Fig. 9As shown, the water heater may include a processing device 1001 (e.g., a central processing unit, a graphics processor, etc.), which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM: Read Only Memory) 1002 or a program loaded from a storage device 1003 to a random access memory (RAM: Random Access Memory) 1004. In RAM1004, various programs and data required for the operation of the water heater are also stored. The processing device 1001, ROM1002, and RAM1004 are connected to each other through a bus 1005. An input / output (I / O) interface 1006 is also connected to the bus. Generally, the following systems can be connected to the I / O interface 1006: an input device 1007 including, for example, a touch screen, a touch pad, a keyboard, a mouse, an image sensor, a microphone, an accelerometer, a gyroscope, etc.; an output device 1008 including, for example, a liquid crystal display (LCD: Liquid Crystal Display), a speaker, a vibrator, etc.; a storage device 1003 including, for example, a magnetic tape, a hard disk, etc.; and a communication device 1009. The communication device 1009 can allow the water heater to communicate with other devices wirelessly or by wire to exchange data. Although the water heater with various systems is shown in the figure, it should be understood that it is not required to implement or have all the systems shown. More or fewer systems can be implemented or have alternatively.

[0198] In particular, according to the embodiments disclosed in the present application, the process described above with reference to the flowchart can be implemented as a computer software program. For example, the embodiments disclosed in the present application include a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program includes a program code for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from a network through a communication device, or installed from a storage device 1003, or installed from a ROM 1002. When the computer program is executed by the processing device 1001, the above-mentioned functions defined in the method of the embodiment disclosed in the present application are executed.

[0199] The water heater provided by the present application adopts the water heater hot water quantity display method in the above embodiment, which can solve the technical problem that the water heater hot water quantity display is not accurate enough. Compared with the prior art, the beneficial effects of the water heater provided by the present application are the same as the beneficial effects of the water heater hot water quantity display method provided by the above embodiment, and other technical features in the water heater are the same as the features disclosed in the method of the previous embodiment, which will not be repeated here.

[0200] It should be understood that the various parts disclosed in this application can be implemented by hardware, software, firmware or a combination thereof. In the description of the above embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0201] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0202] The present application provides a computer-readable storage medium having computer-readable program instructions (ie, computer programs) stored thereon, and the computer-readable program instructions are used to execute the method for displaying the amount of hot water in a water heater in the above-mentioned embodiment.

[0203] The computer-readable storage medium provided in the present application may be, for example, a USB flash drive, but is not limited to electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems, systems or devices, or any combination of the above. More specific examples of computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In this embodiment, the computer-readable storage medium may be any tangible medium containing or storing a program that can be used by or in combination with an instruction execution system, system or device. The program code contained on the computer-readable storage medium may be transmitted using any appropriate medium, including but not limited to: wires, optical cables, RF (Radio Frequency), etc., or any suitable combination of the above.

[0204] The computer-readable storage medium may be included in the water heater; or may exist independently without being assembled into the water heater.

[0205] The above-mentioned computer-readable storage medium carries one or more programs. When the above-mentioned one or more programs are executed by the water heater, the water heater: obtains the current ambient temperature range in which the current ambient temperature is located; obtains the current set temperature; calculates the hot water quantity display parameters corresponding to the water heater according to the current ambient temperature range and the set temperature to display the hot water quantity.

[0206] Computer program code for performing the operations of the present application may be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages ​​such as Java, Smalltalk, C++, and conventional procedural programming languages ​​such as "C" or similar programming languages. The program code may be executed entirely on the user's computer, partially on the user's computer, as a separate software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (e.g., via the Internet using an Internet service provider).

[0207] The flow chart and block diagram in the accompanying drawings illustrate the possible architecture, function and operation of the system, method and computer program product according to various embodiments of the present application. In this regard, each square box in the flow chart or block diagram can represent a module, a program segment or a part of a code, and the module, the program segment or a part of the code contains one or more executable instructions for realizing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the square box can also occur in a sequence different from that marked in the accompanying drawings. For example, two square boxes represented in succession can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each square box in the block diagram and / or flow chart, and the combination of the square boxes in the block diagram and / or flow chart can be implemented with a dedicated hardware-based system that performs a specified function or operation, or can be implemented with a combination of dedicated hardware and computer instructions.

[0208] The modules involved in the embodiments described in this application may be implemented by software or hardware, wherein the name of the module does not constitute a limitation on the unit itself in some cases.

[0209] The readable storage medium provided in the present application is a computer-readable storage medium, which stores computer-readable program instructions (i.e., computer programs) for executing the above-mentioned method for displaying the amount of hot water in a water heater, and can solve the technical problem that the amount of hot water in a water heater is not accurately displayed. Compared with the prior art, the beneficial effects of the computer-readable storage medium provided in the present application are the same as the beneficial effects of the method for displaying the amount of hot water in a water heater provided in the above-mentioned embodiment, and will not be described in detail here.

[0210] The present application also provides a computer program product, including a computer program, which implements the steps of the above-mentioned method for displaying the amount of hot water in a water heater when executed by a processor.

[0211] The computer program product provided by the present application can solve the technical problem that the water quantity display of the water heater is not accurate enough. Compared with the prior art, the beneficial effects of the computer program product provided by the present application are the same as the beneficial effects of the water heater water quantity display method provided by the above embodiment, which will not be repeated here.

[0212] The above descriptions are only some embodiments of the present application, and are not intended to limit the patent scope of the present application. All equivalent structural changes made using the contents of the present application specification and drawings under the technical concept of the present application, or direct / indirect applications in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A method for displaying the amount of hot water in a water heater, characterized in that: The water heater hot water quantity display method comprises: Get the current ambient temperature range of the current ambient temperature; Get the current set temperature; The hot water quantity display parameter corresponding to the water heater is calculated according to the current ambient temperature range and the set temperature to display the hot water quantity.

2. The method according to claim 1, characterized in that The step of calculating the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range and the set temperature comprises: Determining a target heating temperature according to the current ambient temperature; The hot water quantity display parameter corresponding to the water heater is determined according to the current ambient temperature range, the target heating temperature and the set temperature.

3. The method according to claim 2, characterized in that The step of determining the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range, the target heating temperature and the set temperature comprises: Determining a target calculation strategy according to the current ambient temperature range; The hot water quantity display parameter corresponding to the water heater is calculated by the target calculation strategy, the target heating temperature and the set temperature.

4. The method according to claim 2, characterized in that The step of calculating the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range, the target heating temperature and the set temperature comprises: Calculating a plurality of temperature thresholds according to the current ambient temperature range, the target heating temperature, and the set temperature; The hot water quantity display parameter corresponding to the water heater is determined by using the multiple temperature thresholds.

5. The method according to claim 4, characterized in that The step of determining the hot water quantity display parameter corresponding to the water heater through the multiple temperature thresholds comprises: Acquire a first temperature of the water tank and a second temperature of the water tank, wherein the first temperature of the water tank is greater than the second temperature of the water tank; The hot water quantity display parameter corresponding to the water heater is determined according to the first temperature of the water tank and / or the second temperature of the water tank and a plurality of the temperature thresholds.

6. The method according to claim 5, characterized in that The step of determining the hot water quantity display parameter corresponding to the water heater according to the first temperature of the water tank and / or the second temperature of the water tank and a plurality of the temperature thresholds comprises: Determine a plurality of temperature threshold intervals according to the plurality of temperature thresholds; Determine a target temperature threshold interval in which the first temperature of the water tank and / or the second temperature of the water tank are located in the plurality of temperature threshold intervals; Determine a hot water quantity display parameter of the water heater corresponding to the target temperature threshold interval.

7. The method according to claim 2, characterized in that The step of determining the target heating temperature according to the current ambient temperature comprises: Acquire historical ambient temperature, and determine the change trend of the current ambient temperature according to the historical ambient temperature; The target heating temperature is determined according to the change trend and the current ambient temperature.

8. A water heater hot water quantity display device, characterized in that: The device comprises: An acquisition module is used to obtain the current ambient temperature range in which the current ambient temperature is located; The acquisition module is also used to obtain the current set temperature; The determination module is used to determine the hot water quantity display parameter corresponding to the water heater according to the current ambient temperature range and the set temperature so as to display the hot water quantity.

9. A water heater, characterized in that: The water heater comprises: a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the computer program is configured to implement the steps of the method for displaying the amount of hot water in a water heater according to any one of claims 1 to 7.

10. A storage medium, characterized in that: The storage medium is a computer-readable storage medium, and a computer program is stored on the storage medium. When the computer program is executed by a processor, the steps of the method for displaying the amount of hot water in a water heater according to any one of claims 1 to 7 are implemented.

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