CN103175304B - Electric water heater capable of automatically controlling temperature - Google Patents
Electric water heater capable of automatically controlling temperature Download PDFInfo
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- CN103175304B CN103175304B CN 201310102850 CN201310102850A CN103175304B CN 103175304 B CN103175304 B CN 103175304B CN 201310102850 CN201310102850 CN 201310102850 CN 201310102850 A CN201310102850 A CN 201310102850A CN 103175304 B CN103175304 B CN 103175304B
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Abstract
The invention provides an electric water heater capable of automatically controlling temperature. The electric water heater comprises a water heater inner container. The inner container comprises multilayer structures. The electric water heater and the water heater inner container comprise four side walls and a bottom wall, and the bottom and each side wall are respectively provided with four electric heaters. With heating temperature rising, the electric heaters are started and heat unceasingly successively, and the temperature of water is controlled according to flow of the water at the same time. The electric water heater can control heating power according to the water temperature, the inner container is prevented from being heated and expanding, the temperature of the water is controlled according to the flow of the water at the same time, and uniformity of the heating temperature is guaranteed.
Description
Technical field
The invention belongs to field of water heaters, relate in particular to the electric heater that a kind of automatic temperature-adjusting is controlled.
Background technology
The heating power of the electric heater that generally uses in family at present is more single, generally only has a kind of heating power, and heating power can not change along with the raising of the temperature of water yet.Therefore in such cases, for the larger water heater of heating power, Once you begin heating, the temperature increase speed of water is very fast, for the inner bag of water heater, due to the effect of expanding with heat and contract with cold, temperature rise meeting fast causes the expansion fast of inner bag, rapid expanding repeatedly easily causes the conjugation of inner bag and other case materials lax, and can reduce the frequency of utilization of inner bag; Some water heater heating powers are lower, although can make the water programming rate slow, thus the quick expanded by heating of inner bag reduced, and the firing rate of whole water is slower, has therefore affected the promptness of using.
The present invention is directed to the deficiency of prior art, the electric heater that provides a kind of automatic temperature-adjusting to control.Electric heater can be selected suitable heating power automatically according to the water temperature of water heater, reaches the purpose of automatically supplying with in the short period of time a large amount of hot water.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of electric heater of automatic temperature-adjusting control, thereby effectively reduces the rapid expanding of inner bag, has guaranteed the timely supply of hot water.
to achieve these goals, technical scheme of the present invention is as follows: the electric heater that a kind of automatic temperature-adjusting is controlled, and described electric heater comprises water heater liner, electric heater, the cold water inlet pipe, the hot water outlet pipe, temperature sensor, water level controller, flow controller, flow sensor and central controller, described inner bag includes four-layer structure, every adjacent two-layer fitting tightly, ground floor from the inside to the outside is interior dope layer, and the second layer is aluminium alloy layer, and the 3rd layer is stainless steel layer, the 4th layer is the rustproof lacquer layer, the hot water outlet pipe is connected with water heater liner with the cold water inlet pipe, it is characterized in that described temperature sensor, , water level controller, flow controller, flow sensor, between electric heater and described central controller, communication is connected, and described inner bag comprises four sidewalls and a diapire, is respectively arranged with four electric heaters on diapire and each sidewall, is respectively the first electric heater, the second electric heater, the 3rd electric heater and the 4th electric heater are used for the water of water heater is heated, when beginning to heat, described the first electric heater on diapire and each sidewall starts heating, and the second electric heater, the 3rd electric heater and the 4th electric heater do not start heating, when the temperature of water reaches the first temperature, described the second electric heater on diapire and each sidewall begins to start heating, described the first electric heater, the second electric heater on diapire and each sidewall heat together, and the 3rd electric heater and the 4th electric heater on diapire and each sidewall do not start heating, when temperature reaches the second temperature, described the 3rd electric heater on diapire and each sidewall begins to start, described the first electric heater, the second electric heater, the 3rd electric heater on diapire and each sidewall heat water together, and the 4th electric heater on diapire and each sidewall does not start heating, when temperature reached the 4th temperature, described the 4th electric heater on diapire and each sidewall began to start, and described all electric heaters on diapire and each sidewall heat water together, described temperature sensor is arranged in inner bag, is used for measuring the temperature of water, and described flow sensor and flow controller are arranged on the water heater inlet tube, and described flow sensor is used for measuring the flow of the water that flows into water heater liner, described flow controller is used for controlling the flow velocity of the water on the water heater inlet tube, described water level controller is used for measuring the water level of water heater liner, and measurement result is passed to central controller, central controller is according to the water level of measuring, the flow velocity that flow is controlled flow controller, described central controller comprises regulon, described regulon is according to the temperature of the water of described temperature sensor measurement, produce the conditioning signal of controlling described electric heater, produce simultaneously the signal of the flow velocity of controlling flow controller.
Described temperature sensor is a plurality of, wherein at least one temperature sensor is arranged on the hot water outlet position of inner bag, be used for measuring the temperature of outlet hot water, at least one temperature sensor is arranged on the cold water inlet position of inner bag, be used for measuring the water temperature of entrance cold water, wherein at least one temperature sensor is arranged on other positions of water heater liner, be used for measuring the temperature of water in water heater liner, described regulon produces by the mean value of the temperature of a plurality of temperature sensor measurements the conditioning signal of controlling described electric heater.
Electric heater on described each sidewall distributes along the short transverse of water heater liner, is wherein up the 4th electric heater, the second electric heater, the first electric heater, the 3rd electric heater successively from the water heater liner bottom.
Described each sidewall and/or on electric heater distribute along the height stagger arrangement of water heater liner.
Electric heater on described each sidewall linearly distributes along the height of water heater liner, on short transverse, the second electric heater and the first electric heater are the first electric heater and the 3rd electric heater distance 0.8-0.9 times, and the distance of the 4th electric heater and the second electric heater is the second electric heater and the first electric heater distance 0.7-0.75 times.
Electric heater on described each sidewall linearly distributes along the height of water heater liner, and the angle of the center line of described straight line and sidewall is 30-45 °.
Described cold water inlet pipe is arranged near diapire and position that sidewall is connected on diapire, and the electric heater of diapire is apart from cold water inlet pipe distance being distributed as from the close-by examples to those far off: the 4th electric heater, the second electric heater, the first electric heater and the 3rd electric heater.
The mass percent of the component of the aluminium alloy of aluminium alloy layer is as follows: 6.0%Cu, and 0.9%Mg, 0.6%Ag, 0.8%Mn, 0.13%Zr, 0.1%Ce, 0.10%Ti, 0.15%Si, all the other are Al.
The power of the 4th electric heater on each sidewall and/or diapire is greater than the power of the 3rd electric heater, and the power of the 3rd electric heater is greater than the power of the second electric heater, and the power of the second electric heater is greater than the power of the first electric heater.
Electric heater is comprised of electrothermal alloy, the following Ni34% of the mass percent of described electrothermal alloy; Cr18%; Al5%; C0.05%; B0.006%; Co2%; W4%; Mo4%; Ti2%; Nb0.1%; La0.2%; Ce0.2%; The Fe surplus.
Described the first temperature is 50 degrees centigrade, and the second temperature is 60 degrees centigrade, and the 3rd temperature is 75 degrees centigrade.
Compared with prior art, the present invention has advantages of as follows:
1) by a plurality of electric heaters are set, when water heater has just begun to heat, only start one of them electric heater, thus the temperature of lifting water slowly, thus avoided the temperature of water to improve fast, avoided the quick heat expansion of water heater liner; After reaching certain water temperature, the water heater inwall of this moment slowly heat increases to a certain degree, is therefore strengthening heating power this moment, can't produce the speed that the heat of the water heater at heating initial stage rises, the service life of therefore having improved water heater.
2) by at four sidewalls and diapire, electric heater being set all, can guarantee the even water temperature that heats;
3) electric heater is arranged on the short transverse of water heater liner, and the electric heater that will at first start heating is placed on the centre of three electric heaters, thereby reduces the electric heater that at first starts to the heat of the inner bag diapire phenomenon that rises.
4) by water level controller, flow controller, flow sensor, realize the control to the flow velocity that enters water heater.
5) by a plurality of temperature sensors are set, with the water temperature that guarantees to measure accurately.
6) by the setting of electric heater spacing and heating power, realize the homogeneous heating to water.
7) by the reasonable distribution to the mass percent of the component of the aluminium alloy of aluminium alloy layer, improve high-fire resistance and the Testing Tensile Strength at Elevated Temperature of the alloy-layer of inner bag.
8) by the setting to the component of electrothermal alloy, make electrothermal alloy have high non-oxidizability and resistance to corrosion.
Description of drawings
Fig. 1 is the structure chart of water heater liner
Fig. 2 is the overall appearance figure of water heater
Fig. 3 is the schematic diagram of electric heater work of the present invention
Fig. 4 is the electric heater a kind of distribution map wherein on sidewall
Fig. 5 is the electric heater another kind of distribution map wherein on sidewall
Reference numeral is as follows: 1 central controller, the first electric heater of 2 the first side walls, the second electric heater of 3 the first side walls, the 3rd electric heater of 4 the first side walls, the 4th electric heater of 5 the first side walls, 6 cold water inlet pipes, 7 hot water outlet pipes, 8 temperature sensors, 9 temperature sensors, 10 temperature sensors, 11 flow sensors, 12 flow controllers, 13 water heater liners, the 3rd electric heater of 14 diapires, the first electric heater of 15 diapires, the second electric heater of 16 diapires, the 4th electric heater of 17 diapires, the first electric heater of 18 second sidewalls, the second electric heater of 19 second sidewalls, the 3rd electric heater of 20 second sidewalls, the 4th electric heater of 21 second sidewalls, the ground floor of 22 inner bags, the second layer of 23 inner bags, the 3rd layer of 24 inner bags, the 4th layer of 25 inner bags, 26 shells
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
At first, please refer to Fig. 1, the electric heater that a kind of automatic temperature-adjusting is controlled, described electric heater comprises water heater liner 13 and shell 26, the water heater bottom arranges cold water inlet pipe 6, and a side on top is provided with hot water outlet pipe 7, and cold water enters water heater liner 13 by cold water inlet pipe 6, then heat in water heater liner 13, then flow out by hot water outlet pipe 7.
Fig. 2 has showed the schematic diagram of water heater liner 13.Water heater liner 13 is divided into four layers; every adjacent two-layer fitting tightly; respectively from inside to outside interior dope layer 22, aluminium alloy layer 23, stainless steel layer 24 and rustproof lacquer layer 25; water heater liner 13 is owing to having adopted said structure; ground floor is interior dope layer; can avoid occurring corrosion; the second layer is aluminium alloy layer; make the evenly culinary art of conducting heat effective; the 3rd layer is stainless steel layer, makes the outer surface of inner bag not only attractive in appearance, can also make the heat transfer of inner bag faster; the 4th layer is the rustproof lacquer layer, can protect the copper layer to avoid producing corrosion.
The sidewall of the inner bag 13 that Fig. 2 shows and diapire are the obtuse angle greater than 90 °, certainly, the sidewall of inner bag and diapire are not limited to the form of accompanying drawing, and inner bag and sidewall can be the angle of 90 °, inner bag can be cubic shaped, is comprised of four mutually perpendicular sidewalls and diapire.
Be not limited to the material of foregoing description for the material in inner bag 13, those skilled in the art can reasonably select, but the selection for the material of the four-layer structure of inner bag, requirement is that the thermal coefficient of expansion of four-layer structure from inside to outside increases gradually, that is to say, the thermal coefficient of expansion of innermost layer is minimum, and the second layer secondly, the 3rd layer greater than the second layer but less than the 4th layer, the 4th layer of maximum.Why such setting is because in the process of heating, ground floor first is heated, first expand, therefore then be the second layer, the 3rd layer, the 4th layer expanded by heating successively, four layers of expansion number of times increase successively and can guarantee that expansion rate is consistent substantially, guarantee compactness and the stability of each layer connection.
As shown in Figure 3, described electric heater comprises electric heater, temperature sensor and central controller 1, wherein hot water outlet pipe 7 is connected with the cold water inlet pipe and is connected described temperature sensor 8-10, electric heater 2-5 with water heater liner 13,14-17, between 18-21 and described central controller 1, communication is connected, described inner bag 13 comprises four sidewalls (only having showed two sidewalls in Fig. 3) and a diapire, is respectively arranged with four electric heaters on diapire and each sidewall.As shown in Figure 3, respectively the first electric heater 2, the second electric heater 3, the 3rd electric heater 4 and the 4th electric heater 5 on the first side wall of the water heater liner of Fig. 3, in like manner respectively the first electric heater 18, the second electric heater 19, the 3rd electric heater 20 and the 4th electric heater 21 on the second sidewall of the water heater liner of Fig. 3, the setting of the electric heater of two of water heater liner outer two sidewalls simultaneously is identical with arranging of the first side wall and the second sidewall, is respectively arranged with four electric heaters; Diapire at inner bag 13 is provided with four electric heaters, is respectively the 3rd electric heater 14, the first electric heater 15, the second electric heater 16 and the 4th electric heater 17, and the electric heater of above-mentioned setting is used for the water of water heater is heated; When beginning to heat, described the first electric heater 2,18,15 (comprising the first electric heater on unshowned two sidewalls) on diapire and each sidewall starts heating, and the second electric heater, the 3rd electric heater and the 4th electric heater do not start heating; When the temperature of water reaches the first temperature, described the second electric heater on diapire and each sidewall begins to start heating, described the first electric heater, the second electric heater on diapire and each sidewall heat together, and the 3rd electric heater and the 4th electric heater on diapire and each sidewall do not start heating; When temperature reaches the second temperature, described the 3rd electric heater on diapire and each sidewall begins to start, described the first electric heater, the second electric heater, the 3rd electric heater on diapire and each sidewall heat water together, and the 4th electric heater on diapire and each sidewall does not start heating; When temperature reached the 3rd temperature, described the 4th electric heater on diapire and each sidewall began to start, and described all electric heaters on diapire and each sidewall heat water together; Described central controller 1 comprises regulon, and described regulon produces according to the temperature of the water of described temperature sensor measurement the conditioning signal of controlling described electric heater.
in the process of reality heating, as long as the temperature of water is lower than the first temperature, only start the first electric heater of diapire and four sidewalls, if the temperature of water is between the first temperature and the second temperature the time, start simultaneously the first electric heater and second electric heater of diapire and four sidewalls, if the temperature of water is between the second temperature and the 3rd temperature the time, start simultaneously the first electric heater of diapire and four sidewalls, the second electric heater and the 3rd electric heater, when the temperature of water reaches or surpass the 3rd temperature, all electric heaters start simultaneously and heat.
Described temperature sensor is a plurality of, all is arranged in inner bag 5.As shown in Figure 3, one of them temperature sensor 8 is arranged on the hot water outlet position of inner bag, be used for measuring the hot water temperature of outlet hot water, one of them temperature sensor 9 is arranged on the cold water inlet position of inner bag, be used for measuring the water temperature of entrance cold water, wherein at least one temperature sensor 10 is arranged on other positions of water heater liner, is used for measuring the temperature of water heater liner 10 interior water, for example as shown in Figure 3 the bottom that is arranged on inner bag 5.Described regulon produces by the mean value of the temperature of a plurality of temperature sensor measurements the conditioning signal of controlling described electric heater.
Although the quantity of the temperature sensor in Fig. 3 is 3, in fact, the quantity of temperature sensor is not limited to 3, and for example the quantity of the sensor of water heater hot-water exit position, cold water inlet position and other positions can be more than two.By being set, a plurality of temperature sensors can increase the measurement accuracy of water temperature.
Certainly, those skilled in the art also can select temperature sensor is arranged on hot water inlet pipe and/or cooling water outlet pipe as required, with the come together mean value of computation and measurement temperature of the temperature sensor that is arranged on inner bag.
As shown in Figure 3, the electric heater of described the first side wall distributes along the short transverse of water heater liner, is wherein up the 4th electric heater 5, the second electric heater 3, the first electric heater 2, the 3rd electric heater 4 successively from the water heater liner bottom.The setting of the electric heater of other sidewalls is identical with arranging of the first side wall.
Electric heater on described each sidewall linearly distributes along the height of water heater liner, on short transverse, the second electric heater 3 and the first electric heater 2 are the first electric heater 2 and the 3rd electric heater 4 distances 0.8-0.9 times, and the distance of the 4th electric heater 5 and the second electric heater 3 is the second electric heater 3 and the first electric heater 2 distances 0.7-0.75 times.The setting of the electric heater of other sidewalls is identical with arranging of the first side wall.
The power of the 4th electric heater 5 is greater than the power of the 3rd electric heater 4, and the power of the 3rd electric heater 4 is greater than the power of the second electric heater 3, and the power of the second electric heater 3 is greater than the power of the first electric heater 2.The setting of the electric heater of other sidewalls is identical with arranging of the first side wall.
Described cold water inlet 6 is arranged near diapire and position that sidewall is connected on diapire, and the electric heater of diapire is apart from cold water inlet pipe 6 distances being distributed as from the close-by examples to those far off: the 4th electric heater 17, the second electric heater 16, the first electric heater 15 and the 3rd electric heater 14.
Diapire is upper, and the power of the 4th electric heater 17 is greater than the power of the 3rd electric heater 14, and the power of the 3rd electric heater 14 is greater than the power of the second electric heater 16, and the power of the second electric heater 16 is greater than the power of the first electric heater 15.
By above-mentioned position and the setting of power, can improve the harmony of the heating of water, guarantee the uniformity that each wall surface temperature promotes.
Described electric heater also comprises water level controller (Fig. 3 is not shown), flow controller 12, flow sensor 11, water level controller, flow controller 12, flow sensor 11 are connected with central controller 1 communication, flow sensor 11 and flow controller 12 are arranged on water heater inlet tube 6, and described flow sensor 11 is used for measuring the flow of the water that flows into water heater liner 5; Described flow controller 12 is used for controlling the flow velocity of the water on water heater inlet tube 6, described water level controller is used for measuring the water level of water heater liner, and measurement result is passed to central controller 1, the flow velocity that central controller 1 is controlled flow controller 12 according to water level and the flow of measurement, central controller 1 can also be according to the flow velocity of water temperature and flow-control flow controller 12.For example, if the water temperature in water tank has surpassed user's demand, by being set, the flow that increases water reducing water temperature, in like manner, if the water temperature in water tank lower than user's demand, can guarantee by the flow that reduces water the Fast Heating of water.User's demand can arrange by the user interface (not shown).If water level descends, increase by controls the flow that flow velocity increases the water that enters inner bag, if water level is too high, by reduction or stop the discharge that the flow velocity of water reduces or avoid entering interior road.
Showed that as Fig. 4 the electric heater of the first side wall is along the height stagger arrangement distribution of water heater liner.Certainly the electric heater on each sidewall and diapire can adopt stagger arrangement as shown in Figure 4 to distribute,
Electric heater on described each sidewall linearly distributes along the height of water heater liner, and as shown in Figure 5, the angle of the center line of described straight line and sidewall is 30-45 ° (two dotted line angulations shown in Figure 5).Certainly the electric heater on diapire can adopt stagger arrangement as shown in Figure 5 to distribute.
Electric heater position setting by above-mentioned can improve the harmony of the heating of water, guarantees the uniformity that each wall surface temperature promotes.
In actual applications, the anti-device that dryouies can also be set, all be immersed in water to guarantee the electric heater that heats.If electric heater is not immersed in water, the automatic stopped heating of electric heater, prevent dry combustion method.Heat again when flooding electric heater Deng the water level rising.
The mass percent of the component of the aluminium alloy of aluminium alloy layer is as follows: 6.0%Cu, and 0.9%Mg, 0.6%Ag, 0.8%Mn, 0.13%Zr, 0.1%Ce, 0.10%Ti, 0.15%Si, all the other are Al.
The manufacture method of aluminium alloy is: adopt the vacuum metallurgy melting, argon for protecting pouring becomes the circle base, processes through 600 ℃ of homogenising, at 400 ℃, adopts and is hot extruded into bar, and then through after 580 ℃ of solution hardening, carry out artificial aging at 200 ℃ and process.The tensile strength sigma b of alloy: room temperature 〉=550MPa, 200 ℃ 〉=440MPa, 300 ℃ 〉=-230MPa.
Electric heater is comprised of electrothermal alloy, the following Ni34% of the mass percent of described electrothermal alloy; Cr18%; Al5%; C0.05%; B0.006%; Co2%; W4%; Mo4%; Ti2%; Nb0.1%; La0.2%; Ce0.2%; The Fe surplus.
The manufacture method of electrothermal alloy is: become ingot by the composition smelting and pouring according to electrothermal alloy in vaccum sensitive stove, then at 1200 ℃-900 ℃, the alloy pig forge hot is become bar, be rolled into the dish material at 1200 ℃-900 ℃, then become the silk material of different size in the room temperature cold-drawn.
Be the Cr20Ni80 alloy in order to replace widely used NiCr, and made electrothermal alloy cheaply, the non-oxidizability of alloy and Cr20Ni80 contrast are as follows:
Although the present invention discloses as above with preferred embodiment, the present invention is defined in this.Any those skilled in the art without departing from the spirit and scope of the present invention, all can make various changes or modifications, so protection scope of the present invention should be as the criterion with the claim limited range.
Claims (1)
1. the electric heater controlled of an automatic temperature-adjusting, described electric heater comprises water heater liner, electric heater, the cold water inlet pipe, the hot water outlet pipe, temperature sensor, water level controller, flow controller, flow sensor and central controller, described inner bag includes four-layer structure, every adjacent two-layer fitting tightly, ground floor from the inside to the outside is interior dope layer, the second layer is aluminium alloy layer, the 3rd layer is stainless steel layer, the 4th layer is the rustproof lacquer layer, the hot water outlet pipe is connected with water heater liner with the cold water inlet pipe, it is characterized in that, described temperature sensor, water level controller, flow controller, flow sensor, between electric heater and described central controller, communication is connected, described inner bag comprises four sidewalls and a diapire, be provided with four electric heaters on diapire and upper each of each sidewall, it is respectively the first electric heater, the second electric heater, the 3rd electric heater and the 4th electric heater, be used for the water of water heater is heated, when beginning to heat, described the first electric heater on diapire and each sidewall starts heating, and the second electric heater, the 3rd electric heater and the 4th electric heater do not start heating, when the temperature of water reaches the first temperature, described the second electric heater on diapire and each sidewall begins to start heating, described the first electric heater, the second electric heater on diapire and each sidewall heat together, and the 3rd electric heater and the 4th electric heater on diapire and each sidewall do not start heating, when temperature reaches the second temperature, described the 3rd electric heater on diapire and each sidewall begins to start, described the first electric heater, the second electric heater, the 3rd electric heater on diapire and each sidewall heat water together, and the 4th electric heater on diapire and each sidewall does not start heating, when temperature reached the 4th temperature, described the 4th electric heater on diapire and each sidewall began to start, and described all electric heaters on diapire and each sidewall heat water together, described temperature sensor is arranged in inner bag, is used for measuring the temperature of water, and described flow sensor and flow controller are arranged on the water heater inlet tube, and described flow sensor is used for measuring the flow of the water that flows into water heater liner, described flow controller is used for controlling the flow velocity of the water on the water heater inlet tube, described water level controller is used for measuring the water level of water heater liner, described central controller comprises regulon, described regulon produces according to the temperature of the water of described temperature sensor measurement the conditioning signal of controlling described electric heater, for the water level that guarantees inner bag keeps certain height, the flow velocity that central controller is controlled flow controller according to water level and the flow of measurement, for the temperature of the water that guarantees inner bag reaches predetermined temperature, central controller can be according to the flow velocity of water temperature and flow-control flow controller, described temperature sensor is a plurality of, wherein at least one temperature sensor is arranged on the hot water outlet position of inner bag, be used for measuring the temperature of outlet hot water, at least one temperature sensor is arranged on the cold water inlet position of inner bag, be used for measuring the water temperature of entrance cold water, wherein at least one temperature sensor is arranged on other positions of water heater liner, be used for measuring the temperature of water in water heater liner, described regulon produces by the mean value of the temperature of a plurality of temperature sensor measurements the conditioning signal of controlling described electric heater, electric heater on described each sidewall distributes along the short transverse of water heater liner, be wherein up the 4th electric heater, the second electric heater, the first electric heater, the 3rd electric heater successively from the water heater liner bottom, the electric heater on described each sidewall distributes along the height stagger arrangement of water heater liner.
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| CN 201310102850 CN103175304B (en) | 2013-03-28 | 2013-03-28 | Electric water heater capable of automatically controlling temperature |
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| CN 201310102850 CN103175304B (en) | 2013-03-28 | 2013-03-28 | Electric water heater capable of automatically controlling temperature |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310347766.2A Division CN103398466B (en) | 2013-03-28 | 2013-03-28 | Electric water heater with flow control function |
| CN201310352277.6A Division CN103398472B (en) | 2013-03-28 | 2013-03-28 | Automatic temperature-controlling electric water heater capable of reducing heat expansion |
| CN201310352312.4A Division CN103363656B (en) | 2013-03-28 | 2013-03-28 | Electric water heater with water level controlling function |
| CN201310349512.4A Division CN103363673B (en) | 2013-03-28 | 2013-03-28 | Electric water heater controlled by multiple temperature sensors |
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| CN103175304A CN103175304A (en) | 2013-06-26 |
| CN103175304B true CN103175304B (en) | 2013-11-06 |
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| CN104819557B (en) * | 2015-05-06 | 2017-11-14 | 芜湖美的厨卫电器制造有限公司 | Domestic water-heating system |
| WO2017028133A1 (en) * | 2015-08-16 | 2017-02-23 | 李强生 | Method for water heater to automatically adjust and control water flow strength and water heater |
| WO2017028134A1 (en) * | 2015-08-16 | 2017-02-23 | 李强生 | Method for prompting when water heater automatically adjusts water flow strength and water heater |
| CN105927958A (en) * | 2016-05-31 | 2016-09-07 | 芜湖鸣人热能设备有限公司 | Filtering water purification boiler capable of conducting uniform heating |
| CN106196623B (en) * | 2016-07-25 | 2017-04-19 | 冯大成 | Electric water heater with pressure monitored through mobile phone APP |
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| CN107367058B (en) * | 2016-08-06 | 2018-09-21 | 青岛科技大学 | A kind of electric heater of temperature control hot water temperature |
| CN106196579B (en) * | 2016-08-06 | 2018-02-02 | 青岛科技大学 | A kind of electric heater of Intelligent water level control |
| CN106123306B (en) * | 2016-08-06 | 2017-09-22 | 青岛科技大学 | A kind of electric heater of smart allocation heating power |
| CN107228488B (en) * | 2016-08-06 | 2018-09-21 | 青岛科技大学 | A kind of electric heater of heating intelligent control |
| CN106402825B (en) * | 2016-09-19 | 2018-04-17 | 青岛科技大学 | A kind of steam generator of cell phone application intelligent temperature control |
| CN107874595A (en) * | 2017-12-18 | 2018-04-06 | 安徽华菱西厨装备股份有限公司 | A kind of energy-saving automatic voltage regulation steam box |
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| CN103175304A (en) | 2013-06-26 |
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Fuzhen Inventor after: Li Yan Inventor after: Zhang Longbo Inventor after: Zhang Li Inventor after: Tian Aikui Inventor after: Zhao Lei Inventor after: Ju Tongsheng Inventor after: Li Yegang Inventor after: Zhang Xianwei Inventor after: Cao Yanfeng Inventor before: Sun Fuzhen Inventor before: Li Yan Inventor before: Zhang Li Inventor before: Zhang Longbo |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SUN FUZHEN LI YAN ZHANG LI ZHANG LONGBO TO: SUN FUZHEN ZHANG LONGBO ZHANG LI TIAN AIKUI ZHAO LEI JU TONGSHENG LI YEGANG ZHANG XIANWEI CAO YANFENG LI YAN |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20131106 Termination date: 20140328 |