Water temperature control device, method and wall-hung boiler

Abstract

The embodiment of the present application provides a water temperature control device, method and wall-hanging stove. The device comprises: at least two first heat exchangers, the heat exchange efficiency of each first heat exchanger is different; a first pipeline connected with each first heat exchanger; a flow detector arranged at a first water inlet section of the first pipeline and used for detecting the water flow in the first water inlet section; and a first valve arranged on the first water inlet section and used for controlling the on-off of the first water inlet section and each first heat exchanger according to the detection result of the flow detector, so as to control the water temperature in a first water outlet section of the first pipeline. The embodiment of the present application can select heat exchangers with different heat exchange efficiencies to heat the water in the first water inlet section according to the different water flow in the first water inlet section of the first pipeline, thereby preventing the water temperature from changing sharply when the water flow changes.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water treatment, and in particular to a water temperature control device and method and a wall-hanging stove. BACKGROUND

[0002] Although the existing water temperature adjusting device can heat water at different temperatures according to different heating temperature requirements, the heat exchange efficiency of the water temperature adjusting device does not change when the water flow rate decreases, which easily causes the problem of excessive temperature overshoot, and the water temperature rises sharply, causing damage to the user. SUMMARY

[0003] Embodiments of the present application provide a water temperature control method and device to solve one or more technical problems in the prior art.

[0004] In a first aspect, embodiments of the present application provide a water temperature control device, comprising:

[0005] at least two first heat exchangers, each first heat exchanger having different heat exchange efficiency;

[0006] a first pipeline connected to each first heat exchanger;

[0007] a flow detector arranged at a first water inlet section of the first pipeline and configured to detect the water flow rate in the first water inlet section;

[0008] a first valve arranged at the first water inlet section and configured to control the on-off connection between the first water inlet section and each first heat exchanger according to the detection result of the flow detector, so as to control the water temperature in a first water outlet section of the first pipeline.

[0009] In an embodiment, the first heat exchanger is a plate heat exchanger, and each first heat exchanger has a different number of plates.

[0010] In an embodiment, the water temperature control device further comprises:

[0011] a second pipeline connected to each first heat exchanger and configured to provide a heat source for the heat exchanger;

[0012] a second valve arranged at a second water outlet section of the second pipeline and configured to control the on-off connection between the second water outlet section and each first heat exchanger according to the detection result of the flow detector.

[0013] In an embodiment, the water temperature control device further comprises:

[0014] a second heat exchanger connected to each second pipeline and configured to heat the water in a second water inlet section of the second pipeline.

[0015] In an embodiment, the water temperature control device further comprises:

[0016] The third pipeline is connected with the second water outlet section through a third valve, the third valve is used for controlling the on-off of the second water outlet section and the third pipeline, and is also used for controlling the on-off of the second water outlet section and the second valve.

[0017] In an implementation, the water outlet section of the third pipeline is used for being connected with a heating pipeline, and the first water outlet section of the first pipeline is used for being connected with a bathroom pipeline.

[0018] In a second aspect, an embodiment of the present application provides a water temperature control method, including:

[0019] obtaining water flow in the first water inlet section of the first pipeline detected by the flow detector;

[0020] selecting a target heat exchanger from the first heat exchangers according to the detection result of the water flow;

[0021] controlling the first valve to connect the first water inlet section with the target heat exchanger, so that the target heat exchanger controls water temperature in the first water outlet section of the first pipeline.

[0022] In an implementation, the first heat exchanger is a plate heat exchanger, and selecting a target heat exchanger from the first heat exchangers according to the detection result of the water flow includes:

[0023] selecting a target heat exchanger from the first heat exchangers according to the detection result of the water flow and the number of plates of each first heat exchanger.

[0024] In an implementation, the method further includes:

[0025] controlling the second valve to connect the second water outlet section of the second pipeline with the target heat exchanger, so that water in the second water outlet section provides heat source for the target heat exchanger.

[0026] In an implementation, before controlling the second valve to connect the second water outlet section of the second pipeline with the target heat exchanger, the method further includes:

[0027] controlling the third valve to connect the third pipeline with the second water outlet section or to connect the second water outlet section with the second valve according to the control instruction.

[0028] In a third aspect, an embodiment of the present application provides a water temperature control device, including:

[0029] an obtaining module, configured to obtain water flow in the first water inlet section of the first pipeline detected by the flow detector;

[0030] a selecting module, configured to select a target heat exchanger from the first heat exchangers according to the detection result of the water flow;

[0031] The first control module is configured to control the first valve to connect the first water inlet section to the target heat exchanger, so that the target heat exchanger controls the water temperature in the first water outlet section of the first pipeline.

[0032] In an embodiment, the selection module comprises:

[0033] The selection sub-module is configured to select the target heat exchanger from the first heat exchangers according to the detection result of the water flow and the number of plates of each first heat exchanger.

[0034] In an embodiment, the water temperature control device further comprises:

[0035] The second control module is configured to control the second valve to connect the second water outlet section of the second pipeline to the target heat exchanger, so that the water in the second water outlet section provides heat source for the target heat exchanger.

[0036] In an embodiment, the water temperature control device further comprises:

[0037] The third control module is configured to control the third valve to connect the third pipeline to the second water outlet section or to connect the second water outlet section to the second valve according to the control instruction.

[0038] In a fourth aspect, an embodiment of the present application provides a wall-mounted stove, which comprises the water temperature control device of the first aspect.

[0039] In a fifth aspect, an embodiment of the present application provides an electronic device. The functions of the electronic device can be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above functions.

[0040] In a possible design, the structure of the electronic device includes a processor and a memory. The memory is configured to store a program supporting the electronic device to execute the above water temperature control method. The processor is configured to execute the program stored in the memory. The water temperature control terminal can further include a communication interface configured to communicate with other devices or a communication network.

[0041] In a sixth aspect, an embodiment of the present application provides a non-transitory computer readable storage medium storing computer instructions, configured to store an electronic device and computer software instructions used by the electronic device, and the computer software instructions include a program used to execute the above water temperature control method.

[0042] One of the above technical solutions has the following advantages or beneficial effects: the embodiments of the present application can select heat exchangers with different heat exchange efficiencies to heat the water in the first water inlet section according to the different water flow in the first water inlet section of the first pipeline, so as to prevent the water temperature from changing sharply when the water flow changes.

[0043] The above summary is intended to illustrate, but not limit, the present application. Further aspects, embodiments and features of the present application will be readily apparent to those skilled in the art from the following detailed description, taken in conjunction with the accompanying drawings and the claims. BRIEF DESCRIPTION OF DRAWINGS

[0044] In the drawings, like reference numerals refer to same or similar components throughout the several views. These drawings are not necessarily to scale. It should be understood that these drawings only depict some embodiments of the disclosure and should not be considered to limit the scope of the disclosure.

[0045] Figure 1 A configuration diagram of a water temperature control apparatus according to an embodiment of the present application is shown.

[0046] Figure 2 A flowchart of a water temperature control method according to an embodiment of the present application is shown.

[0047] Figure 3 A flowchart of a water temperature control method according to another embodiment of the present application is shown.

[0048] Figure 4 A flowchart of a water temperature control method according to another embodiment of the present application is shown.

[0049] Figure 5 A flowchart of a water temperature control method according to another embodiment of the present application is shown.

[0050] Figure 6 A configuration block diagram of a water temperature control apparatus according to an embodiment of the present application is shown.

[0051] Figure 7 A configuration block diagram of a water temperature control apparatus according to another embodiment of the present application is shown.

[0052] Figure 8 A configuration block diagram of a water temperature control apparatus according to another embodiment of the present application is shown.

[0053] Figure 9 A configuration block diagram of a wall-hanging stove according to an embodiment of the present application is shown.

[0054] Figure 10 A configuration diagram of an electronic apparatus according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0055] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0056] Figure 1 A structure diagram of a water temperature control device according to an embodiment of the present application is shown. As shown in the figure, the water temperature control device comprises: Figure 1

[0057] At least two first heat exchangers 1, each first heat exchanger 1 has different heat exchange efficiency. Each first heat exchanger 1 can be configured with heat exchange efficiency as needed.

[0058] A first pipeline 2 is connected with each first heat exchanger 1. The first heat exchanger 1 is used to exchange heat with water in the first pipeline 2. The first pipeline 2 can be an integrated pipeline or a split pipeline. The specific structure can be adaptively selected and adjusted according to the structure of the first heat exchanger 1 as needed.

[0059] A flow detector 3 is arranged on a first water inlet section 21 of the first pipeline 2. The flow detector 3 is used to detect the water flow in the first water inlet section 21. The first pipeline 2 has the first water inlet section 21 and a first water outlet section 22. The first water inlet section 21 is used to send water into the first heat exchanger 1 for heat exchange, and the first water outlet section 22 is used to output water after heat exchange by the first heat exchanger 1 to an external water supply system.

[0060] A first valve 4 is arranged on the first water inlet section 21. The first valve 4 is used to control the on-off of the first water inlet section 21 and each first heat exchanger 1 according to the detection result of the flow detector 3, so as to control the water temperature in the first water outlet section 22 of the first pipeline 2. When the first water inlet section 21 is communicated with one first heat exchanger 1 through the first valve 4, it is not communicated with other heat exchangers.

[0061] In an example, each first heat exchanger 1 corresponds to a different water flow range, and the target heat exchanger 1 is selected according to the detected water flow of the first water outlet section 22. For example, when there are three first heat exchangers 1, the heat exchange efficiency of the first heat exchanger 1A corresponds to the water flow range L 启动 <L<L1, the heat exchange efficiency of the first heat exchanger 1B corresponds to the water flow range L1≤L<L2, and the heat exchange efficiency of the first heat exchanger 1C corresponds to the water flow range L2≤L.

[0062] ​In one example, the first pipeline 2 is an integrated pipeline, and the first pipeline 2 is connected to the first heat exchanger 1 in the following manner: the first pipeline 2 penetrates the first heat exchanger 1, the first water inlet section 21 of the first pipeline 2 is located outside the inlet end of the first heat exchanger 1, and the first water outlet section 22 of the first pipeline 2 is located outside the outlet end of the first heat exchanger 1.

[0063] In another example, the first pipeline 2 is a split pipeline, the first water inlet section 21 of the first pipeline 2 is in communication with the inlet end of the internal delivery pipeline of the first heat exchanger 1, and the first water outlet section 22 of the first pipeline 2 is in communication with the outlet end of the internal delivery pipeline of the first heat exchanger 1.

[0064] In one embodiment, the first heat exchanger 1 is a plate heat exchanger, and the number of plates of each first heat exchanger 1 is different. The first heat exchanger 1 with a larger number of plates has a relatively higher heat exchange efficiency, and the first heat exchanger 1 with a smaller number of plates has a relatively lower heat exchange efficiency.

[0065] In one embodiment, the system further comprises:

[0066] The second pipeline 5 is connected to each first heat exchanger 1. The second pipeline 5 is used to provide a heat source required for heat exchange of the heat exchanger.

[0067] The second valve 6 is arranged on the second water outlet section 51 of the second pipeline 5. The second valve 6 is used to control the opening and closing of the second water outlet section 51 and each first heat exchanger 1 according to the detection result of the flow detector 3.

[0068] In one embodiment, the system further comprises:

[0069] The second heat exchanger 7 is connected to each second pipeline 5. The second heat exchanger 7 is used to heat the water in the second water inlet section 52 of the second pipeline 5.

[0070] In one example, a water pump 8 is arranged on the second water inlet section 52, and the water pump 8 is used to pump the water in the second pipeline 5 that flows through the first heat exchanger 1 into the second heat exchanger 7.

[0071] In one embodiment, the second pipeline 5 can be an integrated pipeline or a split pipeline. The specific structure can be adaptively selected and adjusted according to the structure of the first heat exchanger 1 and the second heat exchanger 7.

[0072] In one example, the second pipeline 5 is an integrated pipeline, and the second pipeline 5 penetrates the first heat exchanger 1 and the second heat exchanger 7. The second water inlet section 52 and the second water outlet section 51 of the second pipeline 5 are located between the first heat exchanger 1 and the second heat exchanger 7, respectively.

[0073] In another example, the second pipeline 5 is split into two parts. The second water outlet section 51 of the second pipeline 5 is connected to the internal heat source pipeline of the first heat exchanger 1 and the internal delivery pipeline of the second heat exchanger 7. The second water inlet section 52 of the second pipeline 5 is connected to the internal delivery pipeline of the second heat exchanger 7 and the internal heat source pipeline of the first heat exchanger 1.

[0074] In an embodiment, further comprising:

[0075] A third pipeline 9 is connected to the second water outlet section 51 through a third valve 10. The third valve 10 is used to control the connection between the second water outlet section 51 and the third pipeline 9, and also used to control the connection between the second water outlet section 51 and the second valve 6. The second water outlet section 51 can be connected to both the third pipeline 9 and the second valve 6 at the same time. The second water outlet section 51 can also be connected to the second valve 6 while not being connected to the third pipeline 9.

[0076] In an embodiment, further comprising:

[0077] A control unit is electrically connected to the first valve 4, the second valve 6, the third valve 10 and the flow detector 3. The control unit is used to control the connection between the first valve 4, the second valve 6, the third valve 10 and the pipelines according to the detection result of the flow detector 3.

[0078] In an embodiment, the water outlet section of the third pipeline 9 is connected to a heating pipeline, and the first water outlet section 22 of the first pipeline 2 is connected to a bathroom pipeline. That is, the third pipeline 9 can deliver the water heated by the second heat exchanger 7 to the heating pipeline for heating. The first pipeline 2 can deliver the water heated by the first heat exchanger 1 to the bathroom pipeline for daily use. When the flow detector 3 detects that the water flow in the first water inlet section 21 of the first pipeline 2 is small, the control unit controls the first valve 4 to connect the first water inlet section 21 to the first heat exchanger 1 with fewer plates, so as to heat the water for bathroom use with a lower heat exchange efficiency. When the flow detector 3 detects that the water flow in the first water inlet section 21 of the first pipeline 2 increases, the control unit controls the first valve 4 to connect the first water inlet section 21 to the first heat exchanger 1 with more plates, so as to heat the water for bathroom use with a higher heat exchange efficiency. Thus, the problem of sudden temperature drop or sudden temperature rise caused by sudden change of water flow is avoided.

[0079] When the first valve 4 switches the connection between the first water inlet section 21 and the first heat exchangers 1, the second valve 6 is also used to adjust the connection between the second water outlet section 51 of the second pipeline 5 and the first heat exchangers 1. The first water inlet section 21 of the first pipeline 2 and the second water outlet section 51 of the second pipeline 5 can be connected to the same first heat exchanger 1 at the same time.

[0080] Figure 2A flow chart of a water temperature control method according to an embodiment of the present application is shown. As shown in Figure 2 The water temperature control method comprises:

[0081] S100: obtaining water flow in a first water inlet section of a first pipeline detected by a flow detector.

[0082] S200: selecting a target heat exchanger from each first heat exchanger according to the detection result of the water flow.

[0083] S300: controlling the first valve to communicate the first water inlet section with the target heat exchanger, so that the target heat exchanger controls water temperature in a first water outlet section of the first pipeline.

[0084] In an embodiment, the first heat exchanger adopts a plate heat exchanger, and the target heat exchanger is selected from each first heat exchanger according to the detection result of the water flow, as shown in Figure 3 The method comprises:

[0085] S210: selecting the target heat exchanger from each first heat exchanger according to the detection result of the water flow and the number of plates of each first heat exchanger.

[0086] In an embodiment, as shown in Figure 4 The method further comprises:

[0087] S400: controlling the second valve to communicate a second water outlet section of a second pipeline with the target heat exchanger, so that water in the second water outlet section provides heat source for the target heat exchanger.

[0088] In an embodiment, before controlling the second valve to communicate the second water outlet section of the second pipeline with the target heat exchanger, as shown in Figure 5 The method further comprises:

[0089] S500: controlling the third valve to communicate the third pipeline with the second water outlet section or to communicate the second water outlet section with the second valve according to the control instruction.

[0090] Figure 6 A structural diagram of a water temperature control device according to an embodiment of the present application is shown. As shown in Figure 6 The water temperature control device comprises:

[0091] An obtaining module 10 is configured to obtain water flow in a first water inlet section of a first pipeline detected by a flow detector.

[0092] A selecting module 20 is configured to select a target heat exchanger from each first heat exchanger according to the detection result of the water flow.

[0093] A first control module 30 is configured to control a first valve to communicate the first water inlet section with the target heat exchanger, so that the target heat exchanger controls water temperature in a first water outlet section of the first pipeline.

[0094] In an embodiment, the selection module 20 comprises:

[0095] a selection sub-module configured to select the target heat exchanger from the first heat exchangers according to the detection result of the water flow and the number of plates of each first heat exchanger.

[0096] In an embodiment, as shown in Figure 7 , the water temperature control device further comprises:

[0097] a second control module 40 configured to control the second valve to connect the second water outlet section of the second pipeline with the target heat exchanger, so that the water in the second water outlet section provides heat source for the target heat exchanger.

[0098] In an embodiment, as shown in Figure 8 , the water temperature control device further comprises:

[0099] a third control module 50 configured to control the third valve to connect the third pipeline with the second water outlet section or control the third valve to connect the second water outlet section with the second valve according to the control instruction.

[0100] Figure 9 A structure diagram of a wall-hanging stove according to an embodiment of the present application is shown. The wall-hanging stove 1000 of the embodiment of the present application comprises the water temperature control device of any of the above embodiments.

[0101] The functions of each module in each device of the embodiments of the present application can be referred to the corresponding description in the above method, which will not be repeated here.

[0102] Figure 10 A structure block diagram of an electronic device according to an embodiment of the present application is shown. As shown in Figure 10 , the electronic device comprises a memory 910 and a processor 920, and the memory 910 stores a computer program which can run on the processor 920. The processor 920 implements the water temperature control method in the above embodiments when executing the computer program. The number of the memory 910 and the processor 920 can be one or more.

[0103] The terminal further comprises:

[0104] a communication interface 930 configured to communicate with external devices and transmit water temperature control data.

[0105] The memory 910 can include a high-speed RAM memory and can also include a non-volatile memory, such as at least one disk memory.

[0106] If the memory 910, the processor 920 and the communication interface 930 are implemented independently, the memory 910, the processor 920 and the communication interface 930 can be connected to each other through a bus and complete communication between each other. The bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, etc. The bus can be divided into an address bus, a data bus, a control bus, etc. For the convenience of representation, Figure 10 Only one thick line is used in the figure to represent the bus, but it does not mean that there is only one bus or only one type of bus.

[0107] Optionally, in a specific implementation, if the memory 910, the processor 920 and the communication interface 930 are integrated on a chip, the memory 910, the processor 920 and the communication interface 930 can complete communication between each other through an internal interface.

[0108] The embodiment of the present application provides a non-transient computer readable storage medium storing computer instructions, which stores a computer program, and the program is executed by a processor to realize the method described in any of the above embodiments.

[0109] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0110] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0111] Any processes or methods described in the flowcharts or otherwise described herein can be understood as representing code modules, segments, or portions of code which include one or more executable instructions for implementing specific logic functions (or steps) of the application, and alternate implementations are possible. The various steps or functions described in the flowcharts or otherwise described herein can be implemented as program instructions (i.e., as one or more modules of computer program code) in any of a variety of programming languages. The various steps or functions described in the flowcharts or otherwise described herein can be implemented as machine or computer readable code on a computer readable medium. Such program instructions can be utilized by or in combination with a suitable processor or processors to perform the steps or functions indicated in the block diagrams and / or flowcharts. The program instructions might take any number of forms, including complete program modules, routines, programs, objects, components, data structures, etc. that may, for example, be compiled for implementation by or in combination with one or more processors.

[0112] The logic and / or steps represented in the flowcharts or otherwise described herein, for example, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For purposes of this specification, a "computer-readable medium" can be any medium that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. The computer-readable medium can be for example but is not limited to: an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium include the following: an electrical connection (electronic) having one or more wires, a portable computer diskette (magnetic), a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or Flash memory), an optical fiber (optical), and a portable compact disc read-only memory (CDROM). Note that the computer-readable medium can even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, for example, via optical scanning of the paper or other medium, then compiled, interpreted, or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.

[0113] It should be understood that aspects of the application can be implemented in hardware, software, firmware or combinations thereof. In the above embodiments, various steps or methods can be implemented in software or firmware that is stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any of the following techniques, which are all well-known in the art of logic implementation, can be used alone or in combination with one another: a discrete logic circuit having logic gates for implementing logic functions upon data signals, an application specific integrated circuit having appropriate combinational logic gates, a programmable gate array (PGA), a field programmable gate array (FPGA), and / or the like.

[0114] Those skilled in the art can understand that all or part of the steps of the foregoing method embodiments can be completed by a program instructing related hardware, and the program can be stored in a computer readable storage medium. When the program is executed, one or a combination of the steps of the method embodiments is included.

[0115] In addition, each functional unit in each embodiment of the present application can be integrated into one processing module, or each unit can exist physically independently, or two or more units can be integrated into one module. The integrated module can be implemented in the form of hardware or in the form of a software functional module. When the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it can also be stored in a computer readable storage medium. The storage medium can be a read-only memory, a magnetic disk or an optical disk, etc.

[0116] The above is merely specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of various changes or replacements within the technical scope disclosed by the present application, and these should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A water temperature control device, characterized by, The application relates to a water heating system. At least two first heat exchangers, each of the first heat exchangers is a plate heat exchanger, the number of plates of each of the first heat exchangers is different, the heat exchange efficiency of the first heat exchanger with more plates is higher than that of the first heat exchanger with less plates, and each of the first heat exchangers corresponds to a different water flow range, when the number of the first heat exchangers is three, the heat exchange efficiency of the first heat exchanger 1A corresponds to a water flow range L 启动 L1, the heat exchange efficiency of the first heat exchanger 1B corresponds to a water flow range L1≤L L2, and the heat exchange efficiency of the first heat exchanger 1C corresponds to a water flow range L2≤L. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system.

2. The apparatus of claim 1, wherein, The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system.

3. The apparatus of claim 2, wherein, The application relates to a water heating system. The application relates to a water heating system.

4. The apparatus of claim 2, wherein, The application relates to a water heating system. The application relates to a water heating system.

5. The apparatus of claim 4, wherein, The application relates to a water heating system.

6. A water temperature control method applied to the device of any one of claims 1-5, characterized in that, The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system.

7. The method of claim 6, wherein, The application relates to a water heating system. The application relates to a water heating system.

8. The method of claim 6, wherein, The application relates to a water heating system. The application relates to a water heating system.

9. The method of claim 8, wherein, The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. The application relates to a water heating system. 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The application relates to a According to the control instruction, the third valve is controlled to connect the third pipeline with the second water outlet section or to connect the second water outlet section with the second valve.

10. A water temperature control device characterized by comprising: The device comprises: a first control module configured to control a first valve to connect the first water inlet section with the target heat exchanger, so that the target heat exchanger controls the water temperature in the first water outlet section of the first pipeline; wherein, after the first water inlet section is connected with one of the first heat exchangers through the first valve, the first water inlet section is no longer connected with other first heat exchangers. The selection module comprises: a selection sub-module configured to select the target heat exchanger from the first heat exchangers according to the detection result of the water flow and the number of plates of each first heat exchanger.

11. The apparatus of claim 10, wherein, The device further comprises: a second control module configured to control a second valve to connect a second water outlet section of a second pipeline with the target heat exchanger, so that the water in the second water outlet section provides heat source for the target heat exchanger.

12. The apparatus of claim 10, wherein, The device further comprises: a third control module configured to control a third valve to connect the third pipeline with the second water outlet section or to connect the second water outlet section with the second valve according to the control instruction.

13. The apparatus of claim 12, wherein, The device comprises any one of claims 1-5. The device comprises:

14. A wall-hung boiler, characterized in that, at least one processor; 15. An electronic device, comprising: and a memory connected with the at least one processor in communication; wherein, the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the method of any one of claims 6-9. The computer instructions are used to enable the computer to perform the method of any one of claims 6-9. ​ 16. A non-transitory computer-readable storage medium having stored thereon computer instructions, wherein, ​

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