Temperature control adjusting system and energy-saving water boiler comprising same

Abstract

The invention relates to the technical field of temperature control and regulation, and provides a temperature control and regulation system and an energy-saving water boiler comprising the temperature control and regulation system, the temperature control and regulation system comprises a heating module, a high-temperature module, a medium-temperature module, a water injection module and an intelligent control system; the water injection module is used for injecting water into the heating module; the heating module is used for heating injected water; the water heated by the heating module can flow to the high-temperature module and the medium-temperature module; steam generated by heating of the heating module and the high-temperature module can be transmitted to the medium-temperature module and used for maintaining the water storage temperature of the medium-temperature module. Water injected into the heating module by the water injection module is cold water directly communicated with the outside or water preheated by the medium-temperature module; the high-temperature module is used for providing hot water. The medium-temperature module is used for providing warm water. The intelligent control system is used for controlling the heating module, the high-temperature module, the medium-temperature module and the water injection module. According to the invention, the operation energy consumption of the main heating link is reduced, the energy consumption is effectively reduced, and the energy conversion efficiency is obviously improved.

Description

Technical Field

[0001] The invention relates to the field of temperature control and regulation systems, and in particular to a temperature control and regulation system and an energy-saving water boiler comprising the temperature control and regulation system. Background Art

[0002] In traditional temperature control systems, warm water is usually provided by boiling water and then cooling it naturally. This method not only causes 63.2% to 75% of the heat energy converted from electrical energy to be wasted, but also the energy consumption of the water production process is high, which does not meet the requirements of modern energy conservation and environmental protection. In addition, when providing warm water, traditional water boilers lack an effective heat recovery mechanism, resulting in low heat energy utilization. At the same time, when the existing system supplies high-temperature water, it is easy to cause accidents such as scalding due to the lack of a temperature regulation mechanism.

[0003] Therefore, developing a temperature control and regulation system and an energy-saving water boiler that can efficiently utilize thermal energy, provide multi-temperature water supply and have a self-cleaning function has become an urgent problem to be solved. Summary of the invention

[0004] In view of the above technical problems, the present invention provides a temperature control and regulation system and an energy-saving water boiler including the temperature control and regulation system, aiming to optimize the internal structure of the water tank and the heat exchange mechanism, so as to use the exchanged heat for preheating raw water and reduce the energy consumption in the boiling process; a heater is arranged in the high / medium temperature water tank, which can not only maintain the water temperature, but also heat and disinfect the tank during non-use periods such as night, and utilize self-cleaning to improve the reliability of product safe water supply; the energy-saving water boiler can realize multi-temperature water supply, which can improve energy utilization efficiency and reduce scalding accidents.

[0005] The present invention provides a temperature control and regulation system, comprising: a heating module, a high temperature module, a medium temperature module, a water injection module and an intelligent control system; The water injection module is used to inject water into the heating module; the heating module is used to heat the injected water; the water heated by the heating module can flow to the high temperature module and the medium temperature module; the high temperature module and the medium temperature module can reheat the water flowing in; The steam generated by the heating module and the high temperature module can be transferred to the medium temperature module to maintain the water storage temperature of the medium temperature module; the water injected into the heating module by the water injection module is cold water directly connected to the outside, or water preheated by the medium temperature module; The high temperature module is used to provide hot water, and the medium temperature module is used to provide warm water; the intelligent control system is used to control the heating module, the high temperature module, the medium temperature module and the water injection module.

[0006] Optionally, the heating module is arranged on the upper side of the high temperature module, and the medium temperature module is arranged on the right side of the heating module; The heating module includes a heating water tank, a heating water tank heater, a heating water tank steam pipe, a heating water tank temperature indicating controller, and a heating water tank liquid level indicating controller; the high temperature module includes a high temperature water tank, a high temperature water tank heater, a high temperature water tank water inlet pipe, a high temperature water tank water inlet valve, a high temperature water tank steam pipe, a high temperature water tank temperature indicating controller, and a high temperature water tank liquid level indicating controller; the medium temperature module includes a medium temperature water tank, a medium temperature water tank heater, a medium temperature water tank water inlet pipe, a medium temperature water tank water inlet valve, a medium temperature water tank temperature indicating controller, and a medium temperature water tank liquid level indicating controller.

[0007] Optionally, the water injection module includes a cold water inlet main, a cold water inlet pipe, a cold water inlet valve, a preheating inlet pipe, and a preheating inlet valve; the cold water inlet main is connected to the cold water inlet pipe via the cold water inlet valve, and the cold water inlet pipe is arranged at the top of the heating water tank; the cold water inlet main is connected to the preheating inlet pipe via the preheating inlet valve, the main part of the preheating inlet pipe is arranged inside the medium temperature water tank, and the water outlet part of the preheating inlet pipe is arranged at the top of the heating water tank.

[0008] Optionally, the air inlet of the steam pipe of the heating water tank is located on the upper side of the heating water tank, the air outlet of the steam pipe of the heating water tank is located on the upper side of the medium-temperature water tank, and the steam pipe of the heating water tank is connected to the interior of the heating water tank and the medium-temperature water tank; the air inlet of the steam pipe of the high-temperature water tank is located on the upper side of the high-temperature water tank, the air outlet of the steam pipe of the high-temperature water tank is located on the upper side of the medium-temperature water tank, and the steam pipe of the high-temperature water tank is connected to the interior of the high-temperature water tank and the medium-temperature water tank; The high-temperature water tank inlet pipe is connected to the heating water tank and the interior of the high-temperature water tank, and the high-temperature water tank inlet valve is arranged in the middle of the high-temperature water tank inlet pipe; the medium-temperature water tank inlet pipe is connected to the heating water tank and the interior of the medium-temperature water tank, and the medium-temperature water tank inlet valve is arranged in the middle of the medium-temperature water tank inlet pipe; The heating water tank can be filled with water through the cold water inlet pipe and the preheating water inlet pipe; the high-temperature water tank can be filled with water through the high-temperature water tank inlet pipe; the medium-temperature water tank can be filled with water through the medium-temperature water tank inlet pipe; the steam generated by heating the heating water tank and the high-temperature water tank is concentrated in the upper space of the medium-temperature water tank, and the steam releases heat during the liquefaction process. The water in the medium-temperature water tank recycles the heat to maintain the water storage temperature of the medium-temperature water tank.

[0009] Optionally, the main part of the preheating water inlet pipe is a preheating coil, which includes a vertical pipe and a spiral coil that are connected to each other. The vertical pipe is arranged in the middle of the inner side of the spiral coil, the water inlet end of the vertical pipe is connected to the preheating water inlet valve, and the water outlet end of the spiral coil is connected to the water outlet part of the preheating water inlet pipe.

[0010] Optionally, T-shaped pipes are provided at the outlets of the heating water tank steam pipe and the high-temperature water tank steam pipe, a first valve is provided in the middle of the T-shaped pipe, and a second valve is provided at the outlet of the T-shaped pipe; the second valve is connected to an elastic tube, and the elastic tube is connected to a float exhaust module; the float exhaust module can be slidably mounted on the outside of the vertical pipe, the float exhaust module is an annular hollow float, and an exhaust hole is provided at the bottom; the float exhaust module floats in the water and moves with the movement of the water level.

[0011] Optionally, the high-temperature module includes a high-temperature water intake valve, which is arranged at the bottom of the high-temperature water tank; the medium-temperature module includes a medium-temperature water intake valve, which is arranged at the bottom of the medium-temperature water tank.

[0012] Optionally, the medium temperature module includes a medium temperature water tank safety valve, and the medium temperature water tank safety valve is arranged on the upper side of the medium temperature water tank.

[0013] Optionally, the heating module includes a heating water tank drain valve, the high temperature module includes a high temperature water tank drain valve, and the medium temperature module includes a medium temperature water tank drain valve.

[0014] An energy-saving water boiler including the above-mentioned temperature control and regulation system includes: a hot water intake module, a warm water intake module and a display control module; the hot water intake module is connected to a high-temperature water intake valve, the warm water intake module is connected to a medium-temperature water intake valve, and the display control module is used for setting and monitoring the parameters of the temperature control and regulation system.

[0015] Compared with the prior art, the present invention has achieved the following technical effects: The present invention optimizes the internal structure of the water tank and the heat exchange mechanism, uses the exchanged heat for preheating raw water, effectively reduces the energy consumption of the boiling link, and significantly improves the energy conversion efficiency. The setting of the high-temperature module and the medium-temperature module not only realizes multi-temperature water supply and meets the needs of different users, but also reduces the occurrence of scalding accidents through the temperature adjustment mechanism. The temperature control system can heat the water to 100°C for boiling, effectively sterilizes, and the water quality is safe and reliable; the boiling water can be reduced to a suitable temperature and supplied according to the expected water temperature and time rules of the service population; unnecessary high-temperature water supply is reduced, and the occurrence of accidents such as scalding is correspondingly reduced; the heat released during the cooling process of boiling water is used for preheating the raw water to be heated, thereby reducing the operating energy consumption of the main heating link, and the energy is reused in the system, thereby improving the energy conversion efficiency. In addition, the water tank is heated and disinfected during non-use periods such as nighttime, which improves the reliability of product safe water supply. The energy-saving water boiler of the present invention has automatic sewage discharge and self-cleaning functions, which effectively prolongs the service life of the equipment and reduces maintenance costs.

[0016] In summary, the present invention has excellent performance in energy saving and environmental protection, safety and reliability, and convenient operation, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a temperature control and adjustment system provided by one embodiment of the present invention; Figure 2 A schematic diagram of the side structure of a temperature control and adjustment system provided by one embodiment of the present invention; Figure 3 A schematic diagram of the internal structure of a temperature control and regulation system provided by one embodiment of the present invention; Figure 4 A schematic diagram of the back structure of a temperature control and adjustment system provided by an embodiment of the present invention; Figure 5 A schematic diagram of the structure of a preheating coil and a float exhaust module in a temperature control and regulation system provided in one embodiment of the present invention; Figure 6 A schematic structural diagram of an energy-saving water boiler provided in one embodiment of the present invention.

[0018] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0019] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0020] like Figure 1-Figure 5As shown, an embodiment of the present invention provides a temperature control and regulation system, including: a heating module 1, a high temperature module 2, a medium temperature module 3, a water injection module 4 and an intelligent control system 5; The water injection module 4 is used to inject water into the heating module 1; the heating module 1 is used to heat the injected water; the water heated by the heating module 1 can flow to the high temperature module 2 and the medium temperature module 3; the high temperature module 2 and the medium temperature module 3 can reheat the water flowing in; The steam generated by the heating module 1 and the high temperature module 2 can be transferred to the medium temperature module 3 to maintain the water storage temperature of the medium temperature module 3; the water injected into the heating module 1 by the water injection module 4 is cold water (0-30°C) directly connected to the outside, or water preheated by the medium temperature module 3; The high temperature module 2 is used to provide hot water (water temperature 90-100℃), and the medium temperature module 3 is used to provide warm water (water temperature 40-50℃); the intelligent control system 5 is used to control the heating module 1, the high temperature module 2, the medium temperature module 3 and the water injection module 4. The setting of the high temperature module 2 and the medium temperature module 3 facilitates the water boiler to provide multi-temperature water supply and meets the needs of different users. At the same time, the intelligent control system 5 accurately controls the heating and water supply of each module, which can effectively reduce unnecessary high temperature water supply, thereby reducing the occurrence of scalding accidents and improving the safety of use.

[0021] Optionally, the heating module 1 is arranged on the upper side of the high-temperature module 2 , and the medium-temperature module 3 is arranged on the right side of the heating module 1 .

[0022] The heating module 1 includes a heating water tank 11, a heating water tank heater 12, a heating water tank steam pipe 13, a heating water tank temperature indicating controller 14, and a heating water tank liquid level indicating controller 15; the high temperature module 2 includes a high temperature water tank 21, a high temperature water tank heater 22, a high temperature water tank water inlet pipe 23, a high temperature water tank water inlet valve 24, a high temperature water tank steam pipe 25, a high temperature water tank temperature indicating controller 26, and a high temperature water tank liquid level indicating controller 27; the medium temperature module 3 includes a medium temperature water tank 31, a medium temperature water tank heater 32, a medium temperature water tank water inlet pipe 33, a medium temperature water tank water inlet valve 34, a medium temperature water tank temperature indicating controller 35, and a medium temperature water tank liquid level indicating controller 36.

[0023] The water injection module 4 includes a cold water inlet main pipe 41, a cold water inlet pipe 42, a cold water inlet valve 43, a preheating water inlet pipe 44, and a preheating water inlet valve 45; the cold water inlet main pipe 41 is connected to the cold water inlet pipe 42 via the cold water inlet valve 43, and the cold water inlet pipe 42 is arranged on the top of the heating water tank 11; the cold water inlet main pipe 41 is connected to the preheating water inlet pipe 44 via the preheating water inlet valve 45, the main part of the preheating water inlet pipe 44 is arranged inside the medium temperature water tank 31, and the water outlet part of the preheating water inlet pipe 44 is arranged on the top of the heating water tank 11; The air inlet of the heating water tank steam pipe 13 is located on the upper side of the heating water tank 11, and the air outlet of the heating water tank steam pipe 13 is located on the upper side of the medium-temperature water tank 31, and the heating water tank steam pipe 13 connects the heating water tank 11 and the interior of the medium-temperature water tank 31; the air inlet of the high-temperature water tank steam pipe 25 is located on the upper side of the high-temperature water tank 21, and the air outlet of the high-temperature water tank steam pipe 25 is located on the upper side of the medium-temperature water tank 31, and the high-temperature water tank steam pipe 25 connects the high-temperature water tank 21 and the interior of the medium-temperature water tank 31.

[0024] The high-temperature water tank inlet pipe 23 connects the heating water tank 11 and the interior of the high-temperature water tank 21, and the high-temperature water tank inlet valve 24 is arranged in the middle of the high-temperature water tank inlet pipe 23; the medium-temperature water tank inlet pipe 33 connects the heating water tank 11 and the interior of the medium-temperature water tank 31, and the medium-temperature water tank inlet valve 34 is arranged in the middle of the medium-temperature water tank inlet pipe 33.

[0025] The heating water tank 11 can be filled with water through the cold water inlet pipe 42 and the preheating water inlet pipe 44; the high-temperature water tank 21 is filled with water through the high-temperature water tank inlet pipe 23; the medium-temperature water tank 31 is filled with water through the medium-temperature water tank inlet pipe 33; the steam generated by the heating water tank 11 and the high-temperature water tank 21 is concentrated in the upper space of the medium-temperature water tank 31, and the steam will release heat during the liquefaction process. The water in the medium-temperature water tank 31 will recycle the heat to maintain the water storage temperature of the medium-temperature water tank 31.

[0026] The present invention transfers the steam generated by the heating module and the high-temperature module to the medium-temperature module to maintain the water storage temperature of the medium-temperature module. This innovative design makes full use of the heat released during the boiling water cooling process and effectively preheats the raw water to be heated. It not only reduces the operating energy consumption of the main heating link, but also improves the energy conversion efficiency and realizes the recycling of thermal energy.

[0027] The built-in heating water tank heater 12 is the main heater, and the built-in high-temperature water tank heater 22 and medium-temperature water tank heater 32 are auxiliary heaters; the liquid level indicating controller and temperature indicating controller of each water tank are used to collect the water level and water temperature data inside the water tank and feed it back to the intelligent control system 5, so as to adopt algorithm optimization, adjust the operation plan in real time, and automatically control the action of each water inlet valve; the high-temperature water tank inlet valve and the medium-temperature water tank inlet valve can be automatically opened and closed to realize the heating of boiling water into the high-temperature water tank and the medium-temperature water tank; the liquid level indicating controller and the temperature indicating controller located in each water tank transmit the signal to the intelligent control system 5, and after calculation optimization, the intelligent control system 5 sends the opening and closing actions to each water inlet valve. The preheating water inlet pipe 44 built in the medium-temperature water tank 31 is used to preheat the raw water entering the heating water tank 11, adjust the heat exchange time by adjusting the opening and closing interval of the preheating water inlet and the valve opening, and intermittently inject water into the heating water tank 11.

[0028] Optionally, the main part of the preheating water inlet pipe 44 is a preheating coil 46, which includes a vertical pipe and a spiral coil that are connected to each other. The vertical pipe is arranged in the middle of the inner side of the spiral coil. The water inlet end of the vertical pipe is connected to the preheating water inlet valve 45, and the water outlet end of the spiral coil is connected to the water outlet part of the preheating water inlet pipe 44.

[0029] Optionally, a T-tube 6 is provided at the outlet of the heating water tank steam pipe 13 and the high-temperature water tank steam pipe 25, a first valve 61 is provided in the middle of the T-tube 6, and a second valve 62 is provided at the outlet of the T-tube 6; the second valve 62 is connected to an elastic tube 7, and the elastic tube 7 is connected to a float exhaust module 8; the float exhaust module 8 is slidably mounted on the outside of the vertical pipe, the float exhaust module 8 is an annular hollow float, and an exhaust hole is provided at the bottom; the float exhaust module 8 floats in the water and moves with the movement of the water level.

[0030] By controlling the opening and closing of the first valve 61 and the second valve 62, the steam discharge method is selected. The steam can be discharged directly from the first valve 61, or directly discharged from the second valve 62 to the inner side of the spiral coil through the exhaust hole of the float exhaust module 8. When filling water, since the water temperature in the spiral coil is lower than the water temperature in the medium-temperature water tank, the heat exchange efficiency of the water in the spiral coil is accelerated by immersing the exhaust steam inside the spiral coil.

[0031] Optionally, the high temperature module 2 includes a high temperature water intake valve 28 , which is disposed at the bottom of the high temperature water tank 21 ; the medium temperature module 3 includes a medium temperature water intake valve 37 , which is disposed at the bottom of the medium temperature water tank 31 .

[0032] Optionally, the medium temperature module 3 includes a medium temperature water tank safety valve 38, which is arranged on the upper side of the medium temperature water tank 31. The medium temperature water tank safety valve 38 is used to maintain the pressure balance of each water tank and maintain it within a controllable pressure range.

[0033] Optionally, the heating module 1 includes a heating water tank drain valve 16, the high temperature module 2 includes a high temperature water tank drain valve 29, and the medium temperature module 3 includes a medium temperature water tank drain valve 38. The water tank drain valve can be used to regularly remove scale, impurities, etc. in the water tank.

[0034] Optionally, the spiral coil of the preheating coil 46 is in a U-shaped circular spiral shape and is made of stainless steel SUS304.

[0035] Optionally, the cold water inlet main pipe 41, the preheating inlet pipe 44, the cold water inlet pipe 42, the high-temperature water tank inlet pipe 23, the medium-temperature water tank inlet pipe 33, the heating water tank steam pipe 13, and the high-temperature water tank ventilation pipe 25 are made of stainless steel SUS304.

[0036] Optionally, the cold water inlet valve 43, the high temperature water tank inlet valve 24, and the medium temperature water tank inlet valve 34 are solenoid valves, which are two-position valves and can be fully opened or fully closed.

[0037] Optionally, the preheating water inlet valve 45 is a solenoid valve, which adopts a three-position valve. In addition to being able to perform full-open and full-close actions, the valve core can be in the middle position, which can realize the regulation of the water inlet flow.

[0038] Optionally, the heating water tank drain valve 16, the high-temperature water tank drain valve 29, and the medium-temperature water tank drain valve 38 are automatic drain electric ball valves.

[0039] Optionally, the medium-temperature water tank safety valve 38 is a pressure relief safety valve, and a labyrinth channel pressure relief cover is arranged on the outside, and the final pressure relief gas is directed toward the unmanned side.

[0040] Optionally, thermal insulation filling materials are provided on the outsides of the heating module 1 , the high-temperature module 2 and the medium-temperature module 3 .

[0041] Optionally, the heating water tank temperature indicating controller 14, the high temperature water tank temperature indicating controller 26, and the medium temperature water tank temperature indicating controller 35 are digital temperature controllers, which can feed back water temperature information to the intelligent control system 5, and reflect it together with other display information on the display control module on the front of the water boiler.

[0042] Optionally, the heating water tank liquid level indication controller 15, the high temperature water tank liquid level indication controller 27, and the medium temperature water tank liquid level indication controller 36 are photoelectric water level sensors, and the water level information is fed back to the intelligent control system 5, and is reflected together with other display information on the display control module on the front of the water boiler.

[0043] The intelligent control system 5 collects the water level and water temperature data of each water tank, combines it with algorithm optimization, adjusts the operation plan in real time, and automatically controls the action of each water inlet valve. This intelligent control method makes the operation of the water boiler more efficient and energy-saving, and also improves the user experience.

[0044] like Figure 6 As shown, one embodiment of the present invention provides an energy-saving water boiler including the above-mentioned temperature control and regulation system, including: a hot water intake module, a warm water intake module and a display control module; the hot water intake module is connected to the high-temperature water intake valve 28, the warm water intake module is connected to the medium-temperature water intake valve 37, and the display control module is used for setting and monitoring the parameters of the temperature control and regulation system.

[0045] An embodiment of the present invention provides an operation control method of an energy-saving water boiler including the above-mentioned temperature control and regulation system, comprising: S1: Before the first use, preset the daily working hours of the water boiler and the peak water usage hours, such as T1-TA, T2-TB, T3-TC, etc. during the breaks in the teaching building, and preset the water storage capacity of the high-temperature water tank 21 and the medium-temperature water tank 31 during each peak water usage period; check the status of each valve to make the heating water tank drain valve 16, the high-temperature water tank drain valve 29, the medium-temperature water tank drain valve 38, the preheating water inlet valve 45, the high-temperature water tank inlet valve 24, and the medium-temperature water tank inlet valve 34 in the closed state.

[0046] S2: Automatically open the cold water inlet valve 43, and the raw water is injected into the heating water tank 11 through the cold water inlet main pipe 41 and the cold water inlet pipe 42. When the water level reaches the lowest water level of the heating water tank, the heating water tank heater 12 is powered on to heat the raw water in the tank and continue to inject water until the highest water level of the heating water tank 11 is reached. The cold water inlet valve 43 is automatically closed according to the water level indicated by the heating water tank liquid level indicating controller 15. The water temperature of the heating water tank 11 is observed through the heating water tank temperature indicating controller 14. After the water temperature rises to 100°C and lasts for 5 seconds, the power is automatically turned off to stop heating.

[0047] S3: Open the medium-temperature water tank inlet valve 34, and the boiling water in the heating water tank enters the medium-temperature water tank 31. When the water level of the heating water tank 11 drops to the lowest water level of the heating water tank, the heating water tank liquid level indication controller 15 automatically closes the medium-temperature water tank inlet valve 34, and automatically opens the preheating water inlet valve 45 after an interval of 2s. Raw water is injected into the heating water tank 11 through the cold water inlet main pipe 41 and the preheating water inlet pipe 44. When the water level reaches 5cm above the lowest water level of the heating water tank, the heating water tank heater 12 is powered on to heat the raw water in the tank, and water is continuously injected until the highest water level of the heating water tank is reached, and the preheating water inlet valve 45 is automatically closed by the heating water tank liquid level indication controller 15; the water temperature of the heating water tank 11 is observed by the heating water tank temperature indication controller 14, and the water temperature rises to 100℃ and lasts for 5s before the power is automatically turned off to stop heating.

[0048] S4: Then continue to repeat step S3 2 to 3 times.

[0049] S5: Open the high-temperature water tank inlet valve 24, and the boiling water in the heating water tank 11 enters the high-temperature water tank 21. When the water level of the heating water tank 11 drops to the lowest water level of the heating water tank, the heating water tank liquid level indication controller 15 automatically closes the high-temperature water tank inlet valve 24, and automatically opens the preheating water inlet valve 45 after an interval of 2s. Raw water is injected into the heating water tank 11 through the cold water inlet main pipe 41 and the preheating water inlet pipe 44. When the water level reaches 5cm above the lowest water level of the heating water tank, the heating water tank heater 12 is powered on to heat the raw water in the tank, and water is continuously injected until the highest water level of the heating water tank is reached, and the preheating water inlet valve 45 is automatically closed by the heating water tank liquid level indication controller 15; the water temperature of the heating water tank 11 is observed by the heating water tank temperature indication controller 14, and the water temperature rises to 100℃ and lasts for 5s before the power is automatically turned off to stop heating.

[0050] S6: By adding boiling water to the high-temperature water tank 21 and the medium-temperature water tank 31 through the heating water tank 11, when the water level in the high-temperature water tank 21 is above 1 / 2 of the total water level and the water level in the medium-temperature water tank 31 is above 3 / 4 of the total water level, the water boiler enters the "preheating" mode, so that the raw water to be heated can fully exchange heat inside the medium-temperature water tank 31, and the temperature is raised by preheating to achieve energy saving effect. In addition, the steam pipe 13 of the heating water tank and the steam pipe 25 of the high-temperature water tank lead to the preheating coil 46 in the medium-temperature water tank, and the steam is cooled to form condensed water, and the heat dissipated helps to heat the raw water in the preheating coil 46.

[0051] S7: Open the preheating water inlet valve 45 with an opening of 15%. The raw water slowly flows in the preheating coil 46 into the heating water tank 11. Through the heating water tank liquid level indication controller 15, the medium-temperature water tank liquid level indication controller 36, and the opening of the preheating water inlet valve 45, the intelligent control system 5 calculates the opening time of the preheating water inlet valve 45 and automatically closes the preheating water inlet valve 45, so that the preheating raw water in the preheating coil 46, which is submerged in the hot water in the medium-temperature water tank 31 and undergoes direct heat exchange and conduction, enters the heating water tank 11.

[0052] S8: Then the preheating water inlet pipe 44 repeats step S7 to fill water into the heating water tank 11 every 45 seconds until the maximum water level in the heating water tank is reached, and the preheating water inlet valve 45 is automatically closed through the heating water tank liquid level indication controller 15; the water temperature of the heating water tank 11 is observed through the heating water tank temperature indication controller 14, and the power is automatically cut off and the heating is stopped after the water temperature rises to 100°C and lasts for 5 seconds.

[0053] S9: Open the high-temperature water tank inlet valve 24 and the medium-temperature water tank inlet valve 34 at the same time to add hot water to the high-temperature water tank 21 and the medium-temperature water tank 31 to maintain the stored water within the preset water storage volume and temperature range, while enhancing the internal mixed flow effect of the medium-temperature water tank 31 and improving the heat exchange effect of the preheating coil 46.

[0054] S10: When the water temperature of the high-temperature water tank 21 is 3°C lower than the preset lower limit temperature and is at the highest water level in the high-temperature water tank, and the temperature cannot be adjusted by adding hot water from the heating water tank 11, the intelligent control system 5 turns on the high-temperature water tank heater 22 for secondary heating. When the water temperature rises to 5°C above the preset lower limit temperature, the high-temperature water tank heater 22 stops working.

[0055] S11: When the water temperature of the medium-temperature water tank 31 drops to the preset lower limit temperature and is at the highest water level, the water inlet of the heating water tank 11 will be forced to switch to the "cold water" mode, and water will be injected from the cold water inlet pipe 42 until the water temperature of the medium-temperature water tank 31 rises to 8°C above the preset lower limit temperature, and then automatically switches to the "preheating" mode.

[0056] S12: When the water temperature of the medium-temperature water tank 31 is 3°C lower than the preset lower limit temperature and is at the highest water level, and the temperature cannot be adjusted by adding hot water from the heating water tank 11, the intelligent control system 5 turns on the medium-temperature water tank heater 32 for secondary heating. When the water temperature rises to 5°C above the preset lower limit temperature, the medium-temperature water tank heater 32 stops working.

[0057] S13: Before the preset starting points of the peak water usage periods T1, T2, T3, etc., the intelligent control system 5 starts heating and hot water storage in advance based on the feedback from the high-temperature water tank level indicator controller 27 and the medium-temperature water tank level indicator controller 36, and repeats steps S7, S8, and S9. The water storage capacity at the starting point of the peak period is not less than 95% of the preset water storage capacity, and frequent start-up of small-volume water replenishment heating is avoided.

[0058] S14: After reaching the end point TA, TB, TC of the peak water consumption period, enter the "standby" mode, keep the remaining water storage capacity of the high-temperature water tank 21 not less than 1 / 4 of its maximum water storage capacity (default setting), and the remaining water storage capacity of the medium-temperature water tank 31 not less than 1 / 6 of its maximum water storage capacity (default setting), and stop the heating function. The minimum water storage capacity of the "standby" mode can be changed according to the actual needs of the user. Repeat steps S13 and S14 until the next peak water consumption period starts.

[0059] S15: 30 minutes before the preset working end time, if there is no preset water consumption peak period, close the preheating water inlet valve 45 and the cold water inlet valve 43 to make the water level of the heating water tank 11 at the lowest water level.

[0060] S16: The remaining water storage capacity of the high-temperature water tank 21 is maintained at 1 / 6 to 1 / 3 of its maximum water storage capacity (default setting); the temperature of the high-temperature water tank 21 is 3°C lower than the preset lower temperature limit, and the water temperature is raised to the preset upper temperature limit by starting the high-temperature water tank heater 22. When the remaining water storage capacity of the high-temperature water tank 21 is lower than 1 / 6 of the maximum water storage capacity, the cold water inlet valve 43 is opened to fill water into the heating water tank 11, and the heating water tank heater 12 is started. When the heating water tank 11 is filled with water to 1 / 3 of the water level, the cold water inlet valve 43 is closed, and the water temperature of the heating water tank 11 rises to 100°C and lasts for 3s before the power is automatically cut off and heating is stopped; the high-temperature water tank inlet valve 24 is opened to replenish water into the high-temperature water tank 21, and the water level of the heating water tank 11 drops to the lowest water level, and the high-temperature water tank inlet valve 24 is closed.

[0061] S17: The remaining water storage capacity of the medium-temperature water tank 31 is maintained at 1 / 8 to 1 / 4 of its maximum water storage capacity (default setting); when the temperature of the medium-temperature water tank 31 is 3°C lower than the preset lower temperature limit, the water temperature is raised to the preset upper temperature limit by starting the medium-temperature water tank heater 32. When the remaining water storage capacity of the medium-temperature water tank 31 is lower than 1 / 8 of the maximum water storage capacity, the preheating water inlet valve 45 is opened to fill water into the heating water tank, and the heating water tank heater 12 is started. When the heating water tank 11 is filled with water to 1 / 3 of the water level, the preheating water inlet valve 45 is closed, and the water temperature of the heating water tank 11 is raised to 100°C and maintained for 3s before the power is automatically cut off and heating is stopped. The medium-temperature water tank inlet valve 34 is opened to replenish water into the medium-temperature water tank 31, and the water level of the heating water tank 11 drops to the lowest water level, and the medium-temperature water tank inlet valve 34 is closed.

[0062] S18: 5 minutes before the preset working end time, the heating water tank heater 12, the high temperature water tank heater 22, and the medium temperature water tank heater 32 no longer perform the heating task; if they are performing a heating task, they will no longer perform the heating task after completing the current heating task; S19: After reaching the preset working end time, the water boiler enters the "long standby" mode. The user can still take water through the high-temperature water intake valve 28 and the medium-temperature water intake valve 37, and the water level and water temperature (remaining water storage capacity) of each water tank are displayed to prompt the user to make full use of the heated water in the tank.

[0063] S20: When there is no one around the water boiler at 22:30 (default setting), it will automatically enter the "self-cleaning" mode, automatically start the water tank disinfection program, and realize automatic heating, disinfection and sewage discharge functions. After the water temperature of the heating water tank 11 rises to 100℃ and lasts for 5s, it will automatically cut off the power and stop heating. After 2s, the heating water tank sewage valve 16 will be opened to remove the scale and residue in the dead corners. After the heating water tank 11 is emptied, according to the feedback of the heating water tank liquid level display controller 15, the water level drops to the bottom of the heating water tank and the heating water tank sewage valve 16 will be automatically closed after 5s; the water temperature of the high-temperature water tank 21 rises to 100℃ and lasts for 10s, and the power will be automatically cut off and stop heating. After 2s, the high-temperature water tank sewage valve 29 will be opened to remove the scale and residue in the dead corners. After the high-temperature water tank 21 is emptied, the high-temperature water tank drain valve 29 is automatically closed 5 seconds after the water level drops to the bottom of the high-temperature water tank according to the feedback from the high-level water tank liquid level display controller 27; the water temperature of the medium-temperature water tank 31 rises to 100°C and lasts for 15 seconds before the power is automatically cut off and the heating is stopped. After 2 seconds, the medium-temperature water tank drain valve 38 is opened to remove the scale and residue in the dead corners. After the medium-temperature water tank 31 is emptied, the water level drops to the bottom of the medium-temperature water tank 31 according to the feedback from the medium-temperature water tank liquid level display controller 36 5 seconds after the medium-temperature water tank drain valve 38 is automatically closed.

[0064] S21: The "self-cleaning" mode ends and the water boiler automatically shuts down.

[0065] S22: When the next working cycle is reached, the water boiler automatically turns on and executes the steps from S2 in sequence until the working cycle ends, and executes cyclically according to the working cycle.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A temperature control system, characterized in that: include: Heating module, high temperature module, medium temperature module, water injection module and intelligent control system; The water injection module is used to inject water into the heating module; the heating module is used to heat the injected water; the water heated by the heating module can flow to the high temperature module and the medium temperature module; the high temperature module and the medium temperature module can reheat the water flowing in; The steam generated by the heating module and the high temperature module can be transferred to the medium temperature module to maintain the water storage temperature of the medium temperature module; the water injected into the heating module by the water injection module is cold water directly connected to the outside, or water preheated by the medium temperature module; The high temperature module is used to provide hot water, and the medium temperature module is used to provide warm water; the intelligent control system is used to control the heating module, the high temperature module, the medium temperature module and the water injection module.

2. The temperature control and regulation system according to claim 1, characterized in that: in, The heating module is arranged on the upper side of the high temperature module, and the medium temperature module is arranged on the right side of the heating module; The heating module includes a heating water tank, a heating water tank heater, a heating water tank steam pipe, a heating water tank temperature indicating controller, and a heating water tank liquid level indicating controller; the high temperature module includes a high temperature water tank, a high temperature water tank heater, a high temperature water tank water inlet pipe, a high temperature water tank water inlet valve, a high temperature water tank steam pipe, a high temperature water tank temperature indicating controller, and a high temperature water tank liquid level indicating controller; the medium temperature module includes a medium temperature water tank, a medium temperature water tank heater, a medium temperature water tank water inlet pipe, a medium temperature water tank water inlet valve, a medium temperature water tank temperature indicating controller, and a medium temperature water tank liquid level indicating controller.

3. The temperature control and regulation system according to claim 2, characterized in that: in, The water injection module includes a cold water inlet main pipe, a cold water inlet pipe, a cold water inlet valve, a preheating water inlet pipe, and a preheating water inlet valve; the cold water inlet main pipe is connected to the cold water inlet pipe via the cold water inlet valve, and the cold water inlet pipe is arranged at the top of the heating water tank; the cold water inlet main pipe is connected to the preheating water inlet pipe via the preheating water inlet valve, the main part of the preheating water inlet pipe is arranged inside the medium temperature water tank, and the water outlet part of the preheating water inlet pipe is arranged at the top of the heating water tank.

4. The temperature control and regulation system according to claim 3, characterized in that: in, The air inlet of the steam pipe of the heating water tank is located on the upper side of the heating water tank, the air outlet of the steam pipe of the heating water tank is located on the upper side of the medium-temperature water tank, and the steam pipe of the heating water tank is connected to the interior of the heating water tank and the medium-temperature water tank; the air inlet of the steam pipe of the high-temperature water tank is located on the upper side of the high-temperature water tank, the air outlet of the steam pipe of the high-temperature water tank is located on the upper side of the medium-temperature water tank, and the steam pipe of the high-temperature water tank is connected to the interior of the high-temperature water tank and the medium-temperature water tank; The high-temperature water tank inlet pipe is connected to the heating water tank and the interior of the high-temperature water tank, and the high-temperature water tank inlet valve is arranged in the middle of the high-temperature water tank inlet pipe; the medium-temperature water tank inlet pipe is connected to the heating water tank and the interior of the medium-temperature water tank, and the medium-temperature water tank inlet valve is arranged in the middle of the medium-temperature water tank inlet pipe; The heating water tank can be filled with water through the cold water inlet pipe and the preheating water inlet pipe; the high-temperature water tank can be filled with water through the high-temperature water tank inlet pipe; the medium-temperature water tank can be filled with water through the medium-temperature water tank inlet pipe; the steam generated by heating the heating water tank and the high-temperature water tank is concentrated in the upper space of the medium-temperature water tank, and the steam releases heat during the liquefaction process. The water in the medium-temperature water tank recycles the heat to maintain the water storage temperature of the medium-temperature water tank.

5. The temperature control and regulation system according to claim 4, characterized in that: in, The main part of the preheating water inlet pipe is a preheating coil, which includes a vertical pipe and a spiral coil that are connected to each other. The vertical pipe is arranged in the middle of the inner side of the spiral coil. The water inlet end of the vertical pipe is connected to the preheating water inlet valve, and the water outlet end of the spiral coil is connected to the water outlet part of the preheating water inlet pipe.

6. The temperature control and regulation system according to claim 5, characterized in that: in, T-shaped pipes are provided at the outlets of the heating water tank steam pipe and the high-temperature water tank steam pipe, a first valve is provided in the middle of the T-shaped pipe, and a second valve is provided at the outlet of the T-shaped pipe; the second valve is connected to an elastic pipe, and the elastic pipe is communicated with a float exhaust module; the float exhaust module is slidably mounted on the outside of the vertical pipe, the float exhaust module is an annular hollow float, and an exhaust hole is provided at the bottom; the float exhaust module floats in the water and moves with the movement of the water level.

7. The temperature control and regulation system according to claim 6, characterized in that: in, The high temperature module includes a high temperature water intake valve, which is arranged at the bottom of the high temperature water tank; the medium temperature module includes a medium temperature water intake valve, which is arranged at the bottom of the medium temperature water tank.

8. The temperature control and regulation system according to claim 7, characterized in that: in, The medium temperature module comprises a medium temperature water tank safety valve, and the medium temperature water tank safety valve is arranged on the upper side of the medium temperature water tank.

9. The temperature control and regulation system according to claim 8, characterized in that: in, The heating module includes a heating water tank drain valve, the high temperature module includes a high temperature water tank drain valve, and the medium temperature module includes a medium temperature water tank drain valve.

10. An energy-saving water boiler comprising the temperature control and regulation system according to claim 9, characterized in that: include: A hot water intake module, a warm water intake module and a display control module; the hot water intake module is connected to a high-temperature water intake valve, the warm water intake module is connected to a medium-temperature water intake valve, and the display control module is used for setting and monitoring the temperature control system parameters.

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