3314 results about "Water heater" patented technology

The invention discloses a condensation-free efficient heat exchange control method and system for a full-premixing water heater, and the method comprises the steps: collecting the multi-source information, such as air inlet temperature, humidity, gas flow, flue gas oxygen concentration and wall temperature, in real time, calculating a predicted dew point based on a dynamic dew point prediction model, and setting a dynamic safety boundary; the condensation risk is judged by comparing the wall temperature with the safety boundary, and active intervention is carried out in a staged cooperation mode that fuel gas and air volume are continuously adjusted firstly and then a partial combustion zone sectioning valve is rapidly turned off; the system comprises a main controller, a mesh-shaped infrared radiation burner, a sectional valve assembly, a gas proportional valve, a frequency conversion fan and related sensors. According to the invention, the system runs close to the condensation boundary through intelligent control, and the advantage of high operation heat efficiency is realized on the premise of ensuring high reliability.

A water heating system includes a first heating chamber arranged in parallel with a second heating chamber; a first temperature sensor positioned to sense a first temperature in the first heating chamber; a second temperature sensor positioned to sense a second temperature in the second heating chamber; and a controller configured to: determine a first temperature value based on a first sensor signal from the first temperature sensor, determine a second temperature value based on a second sensor signal from the second temperature sensor, compute a differential between the first temperature value and the second temperature value, determine that scale buildup is indicated in response to the differential exceeding a first threshold, and initiate a corrective action in response to determining that scale buildup is indicated.

The embodiment of the invention discloses a water heater constant temperature control method, device and equipment based on environmental parameters and a medium, and relates to the technical field of water heaters. The method comprises the following steps: sending an environment parameter acquisition request to a cloud server; receiving the geographical environment parameters returned by the cloud server; and adjusting parameters used for constant temperature control are generated based on the geographical environment parameters, and the gas water heater is controlled to operate based on the adjusting parameters. The cloud server analyzes the geographic position according to the IP address of the water heater, obtains the environmental parameters and issues the environmental parameters to the local equipment to generate the adjustment parameters. According to the method, the traditional hardware sensor is replaced by the data service, so that the cost and the maintenance difficulty are remarkably reduced, and the system reliability is improved. By integrating real-time weather and pipe network data, the system can deal with environment sudden change in a prospective manner, the crossing from static presetting to dynamic self-adaptive control is realized, and finally a high-precision and high-stability constant-temperature control effect is achieved.

The utility model belongs to the technical field of water heaters, and particularly discloses a gas water heater which comprises a water inlet pipe, a heat exchanger and a water outlet pipe which are sequentially communicated in the water flow direction, and further comprises a water mixing tank and a bypass pipe, the water mixing tank is arranged on the water outlet pipe, and a water inlet, a bypass water inlet and a water outlet are formed in the water mixing tank. The water inlet is used for being communicated with the water outlet end of the heat exchanger, the water outlet is communicated with the water using end through the water outlet pipe, the two ends of the bypass pipe are communicated with the bypass water inlet and the water inlet pipe respectively, a bypass valve used for adjusting the water flow is arranged on the bypass pipe, and the vertical distance H1 between the bypass water inlet and the water inlet is larger than the vertical distance H2 between the bypass water inlet and the water outlet. According to the gas water heater disclosed by the utility model, on the basis of solving the problem of water stop temperature rise during secondary starting, the outlet water temperature in the water stop temperature drop stage can be improved, and the structure of the water mixing tank is simplified while the water stop temperature drop is effectively improved.

The present invention relates to a heat exchanger assembly and a water heater comprising same, wherein the heat exchanger assembly comprises a heat exchanger unit provided with an inlet for introducing a fluid and an outlet for discharging the fluid, and the heat exchanger unit may comprise: a first plate; a second plate disposed on one surface side of the first plate to define, together with the first plate, an internal space in which the fluid introduced through the inlet moves toward the outlet; a heat generation member coupled to at least one of the first plate and the second plate and provided to provide heat into the internal space; and a guide part disposed in the internal space and provided to guide the fluid introduced through the inlet toward one plate, to which the heat generation member is coupled, of the first plate and the second plate.

The invention discloses a fire grate, a combustor and a water heater, and relates to the technical field of water heaters, the fire grate comprises a fire grate body and a combustion head, the fire grate body is provided with a mixing cavity and at least two air inlet flow channels, the mixing cavity is provided with a fire opening, the exhaust ends of the at least two air inlet flow channels are communicated with the mixing cavity, and the combustion head is communicated with the mixing cavity. The gas inlet end of each gas inlet flow channel forms an injection opening, each injection opening is used for conveying gas and air to the corresponding gas inlet flow channel, the combustion head is arranged on the fire opening, and the combustion head is provided with a plurality of fire holes communicated with the mixing cavity. According to the technical scheme provided by the invention, the primary air coefficient of the fire grate can be increased, the overall high temperature of the combustion head is prevented, and the flame distribution of the combustion head is more uniform, so that the local high temperature of the combustion head is avoided, the generation of thermal nitrogen oxides can be greatly reduced, and the emission of harmful substances is reduced.

The invention discloses a fire grate, a combustor and a water heater, and relates to the technical field of water heaters, the fire grate comprises a fire grate body, the fire grate body is provided with a mixing cavity, a first air inlet flow channel and a second air inlet flow channel, the mixing cavity is provided with an air outlet, and the air inlet end of the first air inlet flow channel is provided with an injection opening used for introducing air and fuel gas; the exhaust end of the first air inlet flow channel is communicated with a mixing cavity, the air inlet end of the second air inlet flow channel is provided with an air inlet used for introducing air, the exhaust end of the second air inlet flow channel is communicated with the first air inlet flow channel, and the second air inlet flow channel is used for jetting flow to the first air inlet flow channel. A jet flow angle is formed between the jet flow direction of the second gas inlet flow channel and the gas conveying direction of the first gas inlet flow channel, and the jet flow angle is larger than 45 degrees and not larger than 70 degrees. And the combustion head part is arranged at the air outlet, and the combustion head part is provided with a fire hole communicated with the mixing cavity. According to the technical scheme provided by the invention, emission of carbon monoxide and nitrogen oxide can be reduced.

The invention relates to a flameout control method, system and equipment for a gas heating water heater and a medium. The gas heating water heater comprises a sealed combustion system, a Venturi mixer and a pneumatic gas valve which are sequentially communicated, and a command valve of the pneumatic gas valve is connected to an air purification bin of the sealed combustion system through an air pressure pipe. The method comprises the following steps: in a whole machine debugging stage, setting the pressure of a zero-position adjusting spring of a command valve of the pneumatic gas valve to be a negative value; in the operation stage of the water heater, whether the combustion flame is out of flame or not is determined based on the ratio of the gas flow to the air flow; the pneumatic gas valve is closed by the controller in response to a combustion flame off-flame stall. When the smoke pipe is seriously blocked, the pneumatic gas valve can be closed, so that the whole machine is shut down, and the gas heating water heater is protected.

A fan assembly and a gas water heater. The fan assembly comprises: a fan housing (10), the fan housing (10) being provided with a volute air channel (101), and the volute air channel (101) having a volute inlet (1011) and a volute outlet (1012); and a freeze protection device (50), the freeze protection device (50) comprising an air pipe (51) and a blade (52), the air pipe (51) being connected to the fan housing (10) and being communicated with the volute outlet (1012), at least a part of the air pipe (51) being integrally formed with the fan housing (10), and the blade (52) being connected to the air pipe (51) and being configured to be unidirectionally opened in the air outlet direction of the volute air channel (101).

Systems and methods for establishing a warmed potable water flow from an aircraft potable water supply with an ambient temperature absorbs and scavenges waste heat from an air chiller condenser exhaust of an air chiller circuit at a heat exchanger to pre-warm a potable water flow delivered to an aircraft galley appliance water heater, and to increase appliance water heating efficiency and to conserve electrical power for running aircraft galley appliance water heaters.

The invention relates to the technical field of intelligent control and predictive maintenance of heating water heaters, in particular to a wind pressure switch control system and method for a heating water heater. The method comprises the following steps of: extracting a starting pressure curve slope, a steady-state pressure fluctuation frequency spectrum entropy and a shutdown pressure decay time constant by collecting a time sequence pressure signal in a working period of a fan so as to generate a dynamic feature vector; comparing the vector with a preset reference health vector by the system, and resolving the health state confidence and the state deviation drift rate of the system in real time; when the health confidence coefficient is lower than a safety threshold value or the deviation drift rate is too high, the system executes forced safety locking; if the health degree is slightly reduced, the pre-purging time of the fan is actively prolonged as compensation; according to the method, conversion from fault response to predictive maintenance is achieved, early performance degradation symptoms such as fan abrasion and air duct dust deposition can be recognized in advance, post-maintenance is converted into beforehand intervention, and the fault rate and maintenance cost are effectively reduced.

A flow heater comprising a heating plate (6) comprising a metal plate (6a), a heating conductor (6b), and an insulating layer (6c) between the heating conductor (6b) and the metal plate (6a), a housing (1) in which the heating plate (6) is arranged, the housing (1) surrounding a flow channel for liquid to be heated, which leads from an inlet opening (2) of the housing (1) to an outlet opening (3) of the housing (1), a circuit board (8) with control electronics, and an electrical connector (10) via which the heating conductor (6b) of the heating plate (6) is connected to the control electronics and which has a plastic body (11; 11a, 11b) from which a conductor (12) protrudes and is embedded in the circuit board (8), characterized in that the heating plate (6) is connected between a terminal part (13) of the electrical connector (10) and a conductor (12) protruding from the plastic body. (11;11a, 11b) protruding end section (12b) of the conductor (12) is clamped, wherein the clamping element (13) is designed as a sheet metal separate from the conductor (12) and a first end section of the sheet metal of the clamping element (13) or sheets of the clamping element (13) rests against the heating plate (6) and a second end section of the sheet metal (13) or sheets of the clamping element (13) is arranged in the plastic body (11; 11a, 11b).

One variation of a method includes, during a first time period preceding a predicted hot water consumption event within a building: triggering a heat pump arranged within a water heater to heat water toward a target supply temperature for water supplied to a building by the water heater; and, at the water heater, supplying water, proximal the target supply temperature, to the building during the hot water consumption event. This variation of the method also includes, during a predicted null hot water consumption window within the building: triggering the heat pump to maintain water stored in the water tank proximal a nominal temperature less than the target supply temperature; and, at the water heater, in response to detecting flow of water from the water heater, triggering an inline heater, arranged within the water heater, to heat water toward the target supply temperature.

The utility model relates to a water heater, which comprises a water tank, a water heater, a water inlet pipe, a water outlet pipe, a water inlet pipe and a water outlet pipe, and is characterized in that the water tank comprises a tank shell and an inner container; the electronic anode is arranged in the inner container; a battery cavity is formed in the protective shell, and the battery cavity is configured to be used for installing a storage battery used for supplying power to the electronic anode; wherein the box shell is provided with a mounting part, and the protective shell is detachably arranged on the mounting part. The storage battery in the water heater is convenient to replace, so that the maintenance operation convenience is improved.

The utility model belongs to the technical field of hot water equipment, and particularly discloses a testing tool which comprises an exhaust fume collecting hood, a flue gas sampling tube and a flue gas sensor, the exhaust fume collecting hood is provided with a fume inlet facing the combustor, and the exhaust fume collecting hood is provided with a plurality of installation structures. The flue gas sampling pipe is provided with a sampling hole, and the flue gas sampling pipe can be mounted on any mounting structure and conduct flue gas to the flue gas sensor; and when the smoke sampling pipe traverses the mounting structure, the sampling hole can traverse all fire holes of the combustor. According to the testing tool, by changing the position of the flue gas sampling pipe in the exhaust fume collecting hood, the flue gas values of the flue gas discharged from the fire holes at different positions in the combustor can be detected respectively, so that whether primary air or secondary air distribution of the combustor is reasonable or not is judged; and the improvement on the structures of the primary air hole and the secondary air hole of the gas water heater is facilitated.

The present disclosure relates to the field of automobile air conditioners, and particularly relates to an air conditioner all-in-one controller, a control method and an electric vehicle air conditioning system. The air conditioner all-in-one controller comprises: a high-voltage side control unit, comprising a high-voltage side controller for controlling the operation of a water heater and a compressor to achieve temperature regulation; a low-voltage side control unit, comprising a low-voltage side controller for receiving an external input instruction for controlling the water heater and the compressor, the low-voltage side controller being further configured to transmit the external input instruction to the high-voltage side controller through a communication circuit via a digital isolation unit; a digital isolation unit arranged between the high-voltage side control unit and the low-voltage side control unit; and a circuit board, on which the high-voltage side control unit, the low-voltage side control unit and the digital isolation unit are arranged. The present disclosure can solve the problems of the electric vehicle air conditioning thermal management system due to the relative independence of each subcomponent.

The present application relates to the technical field of household appliances, and provides a gas water heater, which comprises a bottom shell, the bottom shell being provided with an opening; a burner, the burner being installed on the bottom shell; and a cover plate assembly, the cover plate assembly being installed on the bottom shell and covering the opening, the cover plate assembly comprising a first cover plate and a second cover plate, the second cover plate being located between the burner and the first cover plate, the cover plate assembly being provided with an air inlet channel between the first cover plate and the second cover plate, the first cover plate being provided with a first air inlet opening communicating with the air inlet channel, and the second cover plate being provided with a second air inlet opening at a position away from the first air inlet opening, the second air inlet opening communicating the air inlet channel with an air inlet of the burner. The gas water heater provided by the present application is provided with a multi-layer cover plate structure, each layer of the cover plate can weaken the internal noise, and the cavity between the cover plates forms a long air inlet channel, which can greatly increase the path length of the noise along the air inlet channel to propagate outward, effectively improve the transmission loss of the noise to propagate outward, and greatly reduce the flow channel resistance.

The utility model discloses a water heater which comprises a water tank, an electronic anode and an air power supply module. The air power supply module comprises a shell in which a liquid storage cavity is formed, and the liquid storage cavity is filled with electrolyte; a cathode film is arranged in the shell, the inner surface of the cathode film is in contact with the electrolyte, and the outer surface of the cathode film is configured to be in contact with air; the metal anode is arranged in the shell; the electrode assembly comprises a first electrode and a second electrode; wherein an exhaust hole is formed in the shell, and a waterproof breathable component is arranged on the exhaust hole; the waterproof breathable component comprises a first membrane and a second membrane, and the second membrane is arranged on the inner side of the first membrane; the first membrane is configured to prevent water in the liquid storage cavity from flowing out and allow gas in the liquid storage cavity to pass through and be exhausted. The service life of the air power supply module is longer under the condition that the current anti-corrosion requirement of the water heater is met, the replacement frequency of a user is reduced, and the use experience of the user is improved.

1. Name of the designed product: water heater. 2. Use of the designed product: for providing heated drinking water. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

A thermal management system for a marine vessel includes a closed loop circuit in which heat transfer fluid circulates, a first refrigeration component cooled or heated by the heat transfer fluid and configured to cool or heat air within a compartment on the marine vessel, and an open loop circuit. A pump is configured to pump water from a body of water in which the marine vessel is operating, through the open loop circuit, and back to the body of water. A second refrigeration component is configured to exchange heat between the closed loop circuit and the open loop circuit, and a water heater is configured to receive heat from the closed loop circuit to thereby heat potable water in the water heater.

Disclosed in the present application are a flow valve and a control method therefor, a zero-cold-water circulation system of a water heater, and a water heater. The flow valve (100) is used for a zero-cold-water circulation system of a water heater. The zero-cold-water circulation system of the water heater comprises a heat exchanger (200), and a cold-water intake pipe (300) and a hot-water output pipe (400), which are in communication with the heat exchanger (200). The flow valve (100) comprises: a valve body (10), which is provided with a bypass flow passage (110) configured to bring the cold-water intake pipe (300) into communication with the hot-water output pipe (400), wherein the bypass flow passage (110) has at least a first branch passage (1101) and a second branch passage (1102) that are arranged in parallel; and a switching valve (20) disposed on the valve body (10) and configured to open or close the first branch passage (1101).

The invention discloses a fire grate, a combustor and a water heater, and relates to the technical field of water heaters, the fire grate comprises a fire grate body, the fire grate body is provided with a first air inlet flow channel, a mixing cavity and a fire hole, the first air inlet flow channel is provided with a first air inlet, and the exhaust end of the first air inlet flow channel, the mixing cavity and the fire hole are sequentially communicated; the flow guide part is arranged on the fire grate body, the flow guide part and the fire grate body define a second air inlet flow channel, and the second air inlet flow channel is provided with a second air inlet; the second air inlet flow channel comprises a first flow channel section, a second flow channel section and a third flow channel section which are sequentially arranged from the second air inlet to the mixing cavity, the overflowing sectional area of the first flow channel section is reduced towards the side close to the second flow channel section, and the overflowing sectional area of the second flow channel section is increased towards the side close to the third flow channel section; the third runner section is communicated with the mixing cavity. According to the technical scheme, the air content in the fire grate can be increased, the mixing degree of fuel gas and air is increased, sufficient combustion can be achieved, and the emission amount of nitric oxide in smoke is reduced.

The invention relates to a double-container heat storage type water heater circuit and a control method, and the circuit comprises the double-container heat storage type water heater circuit. The circuit comprises a power supply input module, a switch control module, a double-container switching module and a control module, wherein the switch control module comprises a first relay driving unit and a conduction buffer unit which form a parallel network, and a first end of the parallel network is connected with a power supply output end of the power supply input module; the second end of the parallel network is connected with the common end of the double-container switching module, the controlled end of the first relay driving unit is connected with the first signal output end of the control module, and the controlled end of the conduction buffer unit is connected with the second signal output end of the control module; when the first relay driving unit starts to switch the conducting state, the conducting buffer unit is controlled to conduct firstly, and then the first relay driving unit is controlled to switch the conducting state, so that the current transfer is smooth and no arc interference exists in the relay switching process, the switching reliability is improved, and the service life of the relay is prolonged.

The invention discloses a fire grate, a burner and a gas water heater. The fire grate is provided with an injection opening, a plurality of main fire holes and a plurality of auxiliary fire holes, an air supply channel and a combustion channel are further arranged in the fire grate, and the main fire holes are distributed in the upper surface of the fire grate in the length direction of the fire grate. The multiple auxiliary fire holes are distributed in the two side walls of the fire grate in the length direction of the fire grate, the main fire holes and the auxiliary fire holes are communicated with the combustion channel, the injection opening is communicated with the air supply channel, the air supply channel is communicated with the combustion channel, flame stabilizing shells are arranged on the two side walls of the fire grate respectively, and the flame stabilizing shells are communicated with the main fire holes. A flame stabilizing runner is formed between the flame stabilizing shell and the fire grate, and the flame stabilizing shell covers the outer side of the auxiliary fire hole; a positioning protrusion is arranged on the inner surface of the flame stabilizing shell and abuts against the side wall of the fire grate. The combustion sufficiency and stability of the combustor are improved.

The utility model discloses a gas water heater which comprises a shell, a water pipe, a combustor, a smoke exhaust assembly, a control system and a heat exchanger are arranged in the shell, the heat exchanger transmits heat generated by the combustor to the water pipe, the combustor is connected with a gas feeding pipe capable of being connected with a gas pipe, and the gas feeding pipe is provided with a gas inlet valve. A conducting device for communicating the air supply pipe with the burner is arranged between the air supply pipe and the burner, is provided with at least two air inlet channels with different apertures, and is also provided with a switching mechanism capable of switching to the air inlet channels with different apertures to conduct the air supply pipe with the burner; according to the gas water heater, the at least two gas inlet channels with different hole diameters are arranged on the conduction device, and the switching mechanism is arranged, so that the gas water heater can flexibly cope with different types of gas, and a user can easily switch different gas sources without worrying about the problem of low combustion efficiency or unsafety caused by gas pressure difference.

The invention discloses a fire grate, a burner and a gas water heater. An injection opening and a plurality of main fire holes are formed in the fire grate, an air supply channel and a combustion channel are further formed in the fire grate, the main fire holes are communicated with the combustion channel, the injection opening is communicated with the air supply channel, and the injection opening is communicated with the main fire holes through the air supply channel and the combustion channel in sequence. The two ends of the fire row are each provided with a combustion protruding part, the combustion protruding parts extend towards the outer side of the fire row in the air outlet direction of the main fire holes, and combustion holes are formed in the combustion protruding parts. The multiple main fire holes are located between the combustion protruding parts at the two ends of the fire row. The purpose of improving the use safety and reliability of the combustor is achieved, and the use safety and reliability of the combustor are improved.

1. Name of the product in this design: Hot water boiler burner (floral design). 2. Application of this design: for use in burners of hot water boilers. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a gas water heater simulation method, device and equipment and a storage medium, and relates to the technical field of gas water heaters, the gas water heater simulation method is applied to the gas water heater simulation device, and the gas water heater simulation device at least comprises a control module and a water tank module. The gas water heater simulation method comprises the steps that when a starting instruction is received, the operation working condition of a gas water heater is simulated through a virtual model preset in a control module, and an outlet water temperature change curve is determined; and the real-time outlet water temperature is determined according to the outlet water temperature change curve, water with the temperature value being the real-time outlet water temperature is output in real time through the water tank module, and the outlet water temperature change curve is visually displayed. The technical problem that the gas water heater model machine is greatly limited by the environment when displaying the performance indexes is solved.

The pressure relief pipe comprises a first pressure relief pipe body and a second pressure relief pipe body, the end face of the outlet end of the first pressure relief pipe body is an inclined face, and the included angle between the end face of the outlet end of the first pressure relief pipe body and the axis of the first pressure relief pipe body is 45 degrees. The end face of the inlet end of the second pressure relief pipe is an inclined face, the included angle between the end face of the inlet end of the second pressure relief pipe and the axis of the second pressure relief pipe is 45 degrees, the outlet end of the first pressure relief pipe and the inlet end of the second pressure relief pipe are connected in a rotating fit mode, and a rotating positioning structure is arranged between the outlet end of the first pressure relief pipe and the inlet end of the second pressure relief pipe. The safety valve group comprises a ball valve, a check valve and a safety valve, a medium outlet of the ball valve is connected with a medium inlet of the check valve, one medium outlet of the check valve is connected with a medium inlet of the safety valve, and a pressure relief opening of the safety valve is connected with the pressure relief pipe. The pressure relief pipe can be converted between a straight pipe and a 90-degree right-angle bent pipe, and is suitable for installation and use of a safety valve group under the two conditions that an inlet of the water heater is horizontally and vertically downward.

The present application belongs to the technical field of kitchen appliances, and discloses a burner and a gas water heater. The burner comprises a shell, a heat insulation plate and a flow guide. The top of the shell has a connecting piece, an installation space is formed outside the connecting piece, the installation space is used for sealing cooperation with a heat exchanger, a flow guide space is formed inside the connecting piece to guide high-temperature gas into the heat exchanger, and the flow guide has a flow guide arc surface for guiding the high-temperature gas into the flow guide space. Therefore, the burner is sealingly connected with the heat exchanger, which can reduce the possibility of the high-temperature gas diffusing outward and avoid low-temperature air entering the inside through the connecting part. The flow guide arc surface and the flow guide space can effectively reduce the possibility of the high-temperature gas forming a vortex or a dead zone at the joint of the burner and the heat exchanger, ensure that the high-temperature gas can smoothly enter the heat exchanger, effectively improve the heat transfer efficiency of the high-temperature gas, and also help to ensure that the burner can continuously and stably operate.