619 results about "Storage water heater" patented technology

A representatively pumpless water heater system has an instantaneous water heater coupled in series with a storage water heater by piping circuitry incorporating a bypass valve and a mixing valve and useable to route pressurized incoming cold water sequentially through the instantaneous and storage type heaters. A control system (1) operates the bypass valve to cause a selectively variable portion of the incoming cold water to bypass the instantaneous heater and flow to the mixing valve, and (2) operates the mixing valve to blend the bypassed cold water with hot water exiting the storage heater to maintain a predetermined temperature of heated water exiting the system. Another system embodiment adds a directional bypass valve operable by the control system to selectively divert to the mixing valve a portion of the heated water exiting the instantaneous heater for delivery to the storage heater.

The invention provides a solar water heater. The solar water heater comprises a solar collector (1) and at least two water tanks (2); a heat exchanger (24) is arranged in each water tank (2); an inletand an outlet of each heat exchanger (24) are communicated with an outlet and an inlet of the solar collector (1) to form a loop respectively; a heat-conducting medium is filled in the loop; the outlet or the inlet of the solar collector (1) is provided with a pump (3) for causing the heat-conducting medium to flow; and the inlet or the outlet of the each heat exchanger (24) is provided with a valve (25). The invention also provides a heating control method, which can distribute heat collected by the solar collector (1) according to different demands of different users on water temperature and heat the water in the water tanks (2) of the different users.

A water sensor and alarm system for storage water heaters comprising an alarm housing, embedded battery, annunciator, and two bottom exposed fluid sensors separated by a stand-off. The system is designed for prompt owner notification when fluid is detected adjacent to a hot water heater tank. Notification is audible, and optionally may be in the form of remote notification, such as but not limited to a signal transmitted to the home security device connected to a 24-hour security monitoring network, or a smart phone, tablet, or other smart device. The alarm housing can be easily and quickly mounted to the side of the water heater tank. Ultra low power consumption is an important benefit provided by the alarm system, which continues during low battery warnings and water detection alarming. Also, the audible alarm may optionally include a boost circuit to amplify annunciator loudness, but at a tradeoff with conserving power.

The invention relates to the technical field of solar water heaters and discloses a water tank used for the solar water heaters. The water tank comprises a water storage tank and a medium water tank,wherein, the water storage tank is provided with a hot water outlet and a cold water inlet; the medium water tank is arranged in the water storage tank. A radiating pipe is also arranged in the waterstorage tank. One end of the radiating pipe is communicated with the medium water tank and a medium inlet is formed at the other end of the radiating pipe. The medium water tank is provided with a medium outlet. In the water tank used for the solar water heaters of such structure, the medium fluid which undergoes heating in a heat collector enters the medium water tank again after passing throughthe radiating pipe. The radiating pipe has larger radiating area, so that the medium fluid can carry out full heat exchange with the water in the water storage tank via the radiating pipe. The heat exchange efficiency is higher and the water in the water storage tank can be heated to a higher temperature. The invention also provides a solar water heater.

The invention relates to a phase-change heat storage water tank used for a solar water heater, which is characterized that the phase-change heat storage water tank has excellent low-temperature section heat storage capacity and can effectively improve the working efficiency of the solar water heater on cloudy days and in winter.

A portable hot water heater for larger-scale applications including emergency use, situations involving hazardous materials, and the like. The hot water heater advantageously efficiently and rapidly heats large quantities of water for providing a stream of hot water for immediate use. The hot water heater includes a pump that can draw water from any suitable water source, a power source, a heating assembly that quickly and efficiently heats the water as it flows through the heating assembly. The heating assembly is attached to a shower head or other fixture.

The phase change heat-accumulating heat pump water heater includes mainly compressor, evaporator, fan, throttle, filtering drier, cold water inlet pipe, hot water outlet pipe, thermal circulating pipe and phase change heat accumulator. The phase change heat accumulator consists of mainly temperature sensor, casing, insulating material, inner container, phase change heat-accumulating material and hext exchanging pipe. In the said water heater, the evaporator absorb heat from the air source, the compressor produce power by means of electric energy, and the phase change material stores heat and heats water. Some electric heater may be also set inside the phase change heat accumulator optionally as auxiliary heater. The present invention has small size, light weight, convenient use and flexible installation.

The invention discloses a heating device for a water storage type water heater. According to the heating device for the water storage type water heater, an erect heating device body which can heat water once the water flows through the erect heating device body is installed in a water tank. The heating device for the water storage type water heater is composed of a shell 1, a water inlet pipe 2, a water outlet pipe 3, an electrical heating tube 4, a temperature measuring or limiting switch installation pipe 5, a cover 7 and a sealing piece 9, wherein the shell 1 is made of plastic through injection molding or made of metal through welding, the electrical heating tube 4 and the temperature measuring or limiting switch installation pipe 5 are installed in the shell, and the electrical heating tube 4 is compressed through the cover 7 and the sealing piece 9.

The present invention discloses an automatic detection system, in the concrete, it relates to a water-storage type water-heater heating surface dirt real time monitoring system. It includes water-heater box body, heater, water inlet tube, and valve and water outlet tube. It is characterized by that in the water outlet tube orifice position of water-heater a thermal resistor for detecting far-end temperature is set, its measured value can be used as input signal, a mathematical model for real-time monitoring water-heater heating surface dirt thermal resistance can be used for creating calculation software, and the computer or chip computer with LED can be adopted as calculation, detection and display terminal equipment of real-time monitoring system.

The invention provides a solar water heater with a temperature control function. The solar water heater comprises a central controller, a heat collector and a water tank connected with the heat collector, the water inlet of the heat collector is communicated with an external water source through a pipe, the water tank is connected with the heat collector, the water tank and the heat collector are provided with electric heating devices and temperature control devices, and therefore temperature control of the solar water heater can be achieved. According to the solar water heater, heating power can be controlled according to the water temperature, so that an inner container is prevented from being heated rapidly to expand. Meanwhile, the water temperature can be controlled according to the flow rate of water, and uniformity of heating temperature is guaranteed.

Disclosed is an air-source water heater with cooling, heating and clothes drying functions. The air-source water heater not only has functions of an existing water heater, but also can realize the cooling, heating and clothes drying functions. The air-source water heater with the cooling, heating and clothes drying functions has the advantages that heat of air is absorbed by an evaporator of a heat pump system, so that domestic hot water can be supplied for users; the temperature of outdoor air is reduced by the evaporator, and cold air is provided to an indoor environment; hot water is fed into a clothes drying radiator, air in a wardrobe is heated by the clothes drying radiator, and the hot air in the wardrobe is used for drying clothes, so that electric energy is saved as compared with a direct electric heating mode for drying clothes; and hot water is fed into a heating radiator by the aid of a hot water tank, heat is dissipated to the indoor environment by the radiator, and moisture hot air is provided to a house.

The invention relates to an automatic cleaning device for a solar water heater. The automatic cleaning device for the solar water heater comprises a trolley, a distribution box, a circulating water tank, a steam water tank, a circulating water pump, a steam water pump, an electric heating evaporator, an electromagnetic descaling device, a trailer, a drying air pipeline, a steam pipeline, a constant-pressure exhaust valve, a filter, an air extracting pump, an electric heater and a connecting pipe. According to the automatic cleaning device for the solar water heater, the electromagnetic descaling technology is adopted, safety and high efficiency are achieved, corrosion for the water heater and damage to human body due to reagent residue after descaling of a traditional chemical reagent are avoided; and meanwhile, high-pressure steam is adopted to clean the surface of a heat collecting pipe, and drying with hot air is conducted; and the thermal decomposition function of steam is adopted, the sticky property of sediment and stain is quickly dissolved, so that the sediment and stain are separated from the heat collecting pipe, water consumption is reduced, and the surface of the heat collecting pipe is not damaged.

The invention relates to the technical field of water heaters, in particular to the technical field of capacity user-defined solar water heater water tanks, and provides a capacity user-defined solar water heater water tank which is used for solving the problem that most solar water heaters at present cannot adjust electricity used for heating water in an auxiliary mode according to the required hot water amount. As shown in figure 1, a movable partition plate capable of moving back and forth along a guide rail is installed inside the water tank, and the water tank is divided into two relatively independent water storage units by the partition plate. A screw rod is arranged to drive the partition plate to move back and forth, and no-step adjustment can be carried out on capacity of the water tank needing to be heated in an auxiliary electrical mode by adjusting the position of the partition plate. Therefore, the capacity of the water needing to be heated in the auxiliary electrical mode can be set flexibly according to the required amount, and the purpose of saving the electricity is achieved by setting the capacity according to demand.

The invention discloses a water storage type water heater as well as a control method thereof and a control system thereof. A procedure code is added in a processer of the water heater; and in a using process of the water heater, control procedures for a first period and a second period are arranged. The first period (namely an intelligent learning section) has a data recording function; use data, recorded in the first period, of the water heater is analyzed by an internal procedure of the processor, so that the usage habit or usage pattern of a user is concluded; and within the second period, usage requirements of the user are automatically distinguished according to the usage habit or the usage pattern concluded within the first period, so that electric energy waste caused by unnecessary heating is reduced.

A solar water heater barrier-free hot water discharging system comprises a solar water heater water tank (1), which is connected with a wash basin (6) through a pipeline via an emptying valve (2) and a manual outlet valve (7) to form a U-shaped pipe. The U-shaped pipe is connected with a cold water source (4) by a water charging solenoid valve (5). The emptying valve and the water charging solenoid valve (5) are connected with a controller (3) through a control line. When a user uses hot water and the height (H1) of the hot water in the solar water heater water tank is less than or equal to the height (H2) of the U-shaped pipe, the controller controls the water charging solenoid valve to open for 1-60s. Due to the improvement on the structural function, the system can effectively smoothly discharge hot water of the solar water heater, thereby ensuring the normal use of the user and solving the technical problem in the field of the solar water heater. In addition, the system is simple in structure and wide in adaptability, and can be conveniently applied to the existing solar water heater.

The invention discloses a household wall-mounted flat solar heat-pump water heater and a control method thereof. The household wall-mounted flat solar heat-pump water heater comprises an outdoor unit and an indoor unit, wherein the outdoor unit comprises a tube-wing heat collecting evaporator, a solar heat-pump compressor, a thermal expansion valve, a liquid storage device, a dry filter and an electromagnetic valve, wherein the tube-wing heat collecting evaporator is formed through integrating a heat collecting plate core of a flat solar heat collecting panel and an evaporator of a heat pump; the indoor unit comprises a controller, a heat-storage water tank and a coil tube type condenser which is arranged inside the heat-storage water tank; the operation of the flat solar heat-pump water heater is realized through controlling the compressor, the thermal expansion valve and the electromagnetic valve by the controller. Through the manner, the household wall-mounted flat solar heat-pump water heater has the advantages that various complicated, changeable and harsh working conditions of a solar heat collecting evaporator are overcome successfully, heat pump technologies can be applied to solar heat utilization, the efficiency is increased greatly compared with that of a solar water heater and that of an air source heat-pump water heater, and meanwhile, the problems that the flat solar water heater needs to be protected from frostbite in winter and the air source heat-pump water heater needs to be defrosted in winter are solved.

The invention discloses an instant heating type solar water heater, wherein the power consumption of the solar water heater is saved by the optimum heating means; the electronic compensating power consumption of the solar water heater is reduced to the lowest; the solar water heater approaches to heating of water stored in a water tank by fully depending on solar energy; and the solar water heater not only meets the requirement of random use of hot water but also does not cause unnecessary electric energy waste. The instant heating type solar water heater comprises the water tank and a heat accumulator, and also comprises an electrically heated instant heating device, wherein the electrically heated instant heating device can be arranged on a water outlet end in the water tank or be connected in series to any position of a pipe between an outlet on the outside of the water tank and a water terminal. The instant heating type solar water heater greatly reduces the power consumption cost and the time cost for users of all types of solar water heaters such as split-type solar water heaters, closed type solar water heaters, and open type solar water heaters. When the electrically heated instant heating device is arranged inside a solar water heater system, the solar water heater system has three functions of the solar water heater, a water storage type electric water heater and an instant heating type electric water heater.

The utility model discloses a non-pressure-bearing outlet-open water-storage water heater which comprises a water tank 1, a cold water inlet pipe 2, a hot water outlet pipe 2, an electric heating pipe 4, a small-capacity chamber 21 at the highest water level, and a water nozzle 18, and is characterized in that (1) in the water tank 1, the upper end of the hot water outlet pipe 3 directly extends into the small-capacity chamber 21 at the highest water level; the lower end of the hot water outlet pipe is connected with a hot water outlet 18-5 of the water nozzle 18, and communicated with a shower head port 18-7; the hot water outlet pipe 3 is always communicated with an atmosphere by the shower head port 18-7 no matter a handle 18-3 of the water nozzle 18 is opened or closed; and hot water can be mixed with cold water in the water nozzle 18 to adjust the water temperature. The water heater has the advantages that in the water tank, the water directly meets with the atmosphere, and the working pressure is 0, so that weld cracks and water leakage caused by thermal expansion and cold contraction can be avoided, and water tank explosion due to the fact that the electric heating pipe works for a long time and is full of steam due to a circuit fault can be avoided.

A representatively pumpless water heater system has an instantaneous water heater coupled in series with a storage water heater by piping circuitry incorporating a fixed (and selectively fixed) bypass useable to route pressurized incoming cold water sequentially through the instantaneous and storage type heaters. The fixed bypass can also route pressurized incoming cold water to mix with the heated water exiting the instantaneous heater for delivery to the storage heater.

The invention provides a heat pump water heater which comprises a water tank, a heat pump main unit, a solar photovoltaic panel and a photovoltaic controller. The heat pump main unit is used for heating water in the water tank, the photovoltaic controller is electrically connected with direct-current loads of the heat pump main unit, direct-current electricity generated by the solar photovoltaic panel is supplied to the direct-current loads of the heat pump main unit via the photovoltaic controller, and the direct-current loads at least include one of a compressor and a fan of the heat pump main unit. The heat pump water heater has the advantages that a solar photoelectric technology is organically combined with a heat pump technology, so that a complicated water channel system required for delivery of hot water in an existing solar water heater can be omitted; electric power can be transmitted over long distances, so that solar energy can be sufficiently utilized in the heat pump water heater, and hot water can be efficiently produced by the heat pump water heater.

The present invention relates to a solar energy-storing hot water heating system, especially is suitable for the heating system of towns and villages residential buildings in China's severe cold or cold areas. The solar energy-storing hot water heating system described in the invention includes solar energy heat collector, antifreeze water tank, antifreeze water tank cut-off valve, solar energy heat-storing water tank, circulating water pump and circulating water pump cut-off valve which are connected sequentially and form circuit. The solar energy-storing hot water heating system provided in the invention combines the solar energy heating and traditional heated brick bed heating organically, fully shows the advantages of traditional heated brick bed heating, compared with prior system, the water supply temperature of hot water heating system is reduced, it reduces the heat loss of heat collector and increases the utilization efficiency of solar heat collectors; the heat-storing water tank also can be used as indoor radiator, and can reduce the energy consumption of secondary cycle water pump and the accommodation area of heat-storing water tank; the organic combination of traditional heated brick bed can use smoke gas residual heat effectively, reduce conventional energy consumption, at the same time, it is fit the users residents lifestyle in northern region.

A water heating/distillation chamber with multiple lenses arranged on its external walls such that direct sunlight from any direction is input into the chamber to heat the chamber contents. An input line provides water when necessary, and an output condensing structure channels water vapor out of the device for condensation into distilled water. Alternatively, a supply of hot water can be output from the chamber after heating. Alternatively, steam can be generated which can be used as an energy source for turbines. The chamber can be fabricated from glass, or any other material suitable for creating a greenhouse effect inside the chamber. The device can be applied to a wide spectrum of uses, from large scale commercial activity to small applications such as camping equipment.

The invention discloses a single-working medium pressure-bearing circulated layered heat-storage split solar water heater with glass heat collecting pipes, relating to the technical field of solar thermal energy utilization. The invention mainly uses a layered heat-storage water tank, a water-injection type pressure-bearing circulated full-glass vacuum pipe heat collecting module and a magnetic-control array joint anti-explosion pressure gage for designing the single-working medium pressure-bearing circulated layered heat-storage split solar water heater with the glass heat collecting pipes. The layered heat-storage water tank is designed by adopting a multi-node model concept and comprises at least two pressure-bearing containers which are connected through a communication pipe, and heat insulating layers coat outside the pressure-bearing containers. The single-working medium pressure-bearing circulated layered heat-storage split solar water heater with the glass heat collecting pipes is in a single-water working medium temperature difference type forced circulation mode, adopts the combination of the multi-cavity layered heat-storage pressure-bearing water tank and the water-injection type pressure-bearing circulated full-glass vacuum pipe heat collecting module to realize temperature difference type heat collecting circulation through an intelligent control center and ejects hot water by utilizing the pressure of a tap water pipeline for users to use the hot water.