CN209782964U - Combined electric water heater with large water yield - Google Patents
Combined electric water heater with large water yield Download PDFInfo
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- CN209782964U CN209782964U CN201822027991.9U CN201822027991U CN209782964U CN 209782964 U CN209782964 U CN 209782964U CN 201822027991 U CN201822027991 U CN 201822027991U CN 209782964 U CN209782964 U CN 209782964U
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Abstract
The utility model relates to a combined electric water heater with large water yield, which comprises a water storage type water heater group, an instant heating type water heater and a temperature-limiting water mixing device; the water storage type water heater group comprises one water storage type water heater or more than two water storage type water heaters with cold water inlets and hot water outlets connected in series, a first group of cold water inlets of the water storage type water heater group are communicated with a first cold water inlet pipe, a first group of hot water outlets of the water storage type water heater group are communicated with a first hot water inlet of a temperature-limiting water mixing device, a third cold water inlet of the temperature-limiting water mixing device is communicated with a second cold water inlet pipe, and a first mixed water outlet of the temperature-limiting water mixing device is communicated with a hot water outlet pipe; the instant heating type water heater is arranged on the hot water outlet pipe or the second cold water inlet pipe. The utility model discloses small in size, the appearance is adjustable, and it is big to go out the hot water yield, and heating power consumption is low, and energy-conserving power saving's advantage more is fit for ordinary resident family user demand.
Description
Technical Field
The utility model belongs to the water heater field, concretely relates to combination formula electric water heater of big water yield.
Background
with the development of economy, the household electric water heater is very popular in China, and the annual sales volume of the household electric water heater in China in 2017 is counted to be more than 2000 ten thousand. The existing household electric water heater mainly comprises a water storage type water heater, an instant heating type electric water heater and a water storage instant heating dual-mode electric water heater.
The water storage type water heater has the following problems:
(1) The machine body has large volume, occupies large space of a toilet and is not beautiful.
(2) Because bulky, so need hang the wall installation, have behind the wall to drop and hurt people's risk.
(3) The water inlet and outlet connecting pipelines are exposed and not beautiful.
(4) The inner container has large volume, large water storage capacity, generally more than 50 liters, because of more water storage, slow heating speed and long waiting time of users.
(5) The standby temperature is high, generally 40-75 ℃, so that the temperature difference between the water temperature in the liner and the indoor temperature is large during standby, the heat preservation and radiation speed is high, the power consumption is large, and the repeated heating is needed to maintain the set standby temperature, so that the power consumption is increased.
The problems of the instant water heater are as follows:
(1) The high-power instant water heater has overhigh heating power and is not suitable for common residences. In order to achieve the purpose of instantly heating tap water, the heating power of the tap water is usually 8000-10000 watts, the heating power is overlarge, and current overload causes fire hazard when a common residential building is installed.
(2) The low-power instant water heater has 3000-5000W of power, insufficient temperature rise and low hot water temperature, is not suitable for bathing, and is mainly used for washing hands, faces, dishes and vegetables in kitchens and cabinets at present.
(III) the problems of the water storage and instant heating dual-mode water heater are as follows
(1) The conventional water storage instant heating dual-mode water heater is smaller in size than a conventional water storage type water heater, larger in size than the instant heating type water heater, still needs to be mounted on a wall, cannot be directly placed in a cabinet or a bathroom cabinet, still needs to occupy a certain toilet space, and is not attractive.
(2) The water inlet and outlet pipe connecting pipeline is still exposed and is not beautiful.
(3) When the water storage inner container is small, the total hot water yield is small, and the user experience is not good.
Disclosure of Invention
the utility model aims at providing a realize combination formula electric water heater of big water yield function under low power's condition, have small in size, the appearance is adjustable, it is big to go out the hot water yield, and heating power consumption is low, and energy-conserving power saving's advantage more is fit for ordinary resident family user demand.
The purpose of the utility model is realized through the following technical scheme:
a combined electric water heater with large water yield is characterized by comprising a water storage type water heater group, an instant heating type water heater 3 and a temperature-limiting water mixing device 9;
The water storage type water heater group comprises one water storage type water heater or more than two water storage type water heaters, a first group of cold water inlet 11 and a first group of hot water outlet are formed in the water storage type water heater group, and a cold water inlet and a hot water outlet are formed in the water storage type water heater; when the water storage type water heater group is a water storage type water heater, the cold water inlet is communicated with the first group of cold water inlet 11, and the hot water outlet is communicated with the first group of hot water outlet;
When the water storage type water heater group comprises more than two water storage type water heaters, the cold water inlet and the hot water outlet of each water storage type water heater are connected in series, in the two adjacent water storage type water heaters, the hot water outlet of the previous water storage type water heater is communicated with the cold water inlet of the next water storage type water heater, the cold water inlet of the first water storage type water heater is communicated with the first group of cold water inlet 11, and the hot water outlet of the last water storage type water heater is communicated with the first group of hot water outlet;
The instant water heater is provided with a second cold water inlet and a second hot water outlet, and the temperature-limited water mixing device 9 is provided with a first hot water inlet, a third cold water inlet and a first mixed water outlet;
A first group of cold water inlet 11 of the water storage type water heater group is communicated with a first cold water inlet pipe, a first group of hot water outlet of the water storage type water heater group is communicated with a first hot water inlet of a temperature-limited water mixing device 9, a third cold water inlet of the temperature-limited water mixing device 9 is communicated with a second cold water inlet pipe 8, and a first mixed water outlet of the temperature-limited water mixing device 9 is communicated with a hot water outlet pipe 1;
the instant water heater 3 is arranged on the hot water outlet pipe 1 or the second cold water inlet pipe; when the instant water heater 3 is arranged on the hot water outlet pipe 1, a second cold water inlet of the instant water heater 3 is communicated with a first mixed water outlet, and a second hot water outlet is communicated with a water outlet end of the hot water outlet pipe 1; when the instantaneous water heater 3 is arranged on the second cold water inlet pipe, a second cold water inlet of the instantaneous water heater 3 is communicated with a water inlet end of the second cold water inlet pipe 8, and a second hot water outlet is communicated with a third cold water inlet of the temperature-limiting water mixing device 9;
The water storage type water heater group is provided with a first controller 5, more than one water storage type water heater is respectively and electrically connected with the first controller 5, and the instant heating type water heater 3 is provided with a second controller 4.
And the first cold water inlet pipe and the second cold water inlet pipe 8 are respectively communicated with a tap water supply port on the wall body.
The instant water heater 3 set up on going out hot water pipe 1, the second of instant water heater 3 go out hot water mouth department and be provided with flow sensor 2, flow sensor 2 be connected with first controller 5 and second controller 4 electricity respectively, first controller 5 on be provided with out water outage function control module, second controller 4 on be provided with out water power supply function control module, water storage formula water heater group with instant water heater 3 not work simultaneously.
The temperature-limiting water mixing device 9 is an electric control constant-temperature water mixing valve or a mechanical constant-temperature water mixing valve, and the temperature-limiting water mixing device 9 limits the water outlet temperature of the first mixed water outlet to be less than or equal to 30 ℃.
The first cold water inlet 11 of the water storage type water heater set is provided with a water inlet temperature sensor which is electrically connected with the first controller 5.
the instant heating type water heater 3 is arranged on a second cold water inlet pipe 8, a second cold water inlet is communicated with the water inlet end of the second cold water inlet pipe 8, a second hot water outlet is communicated with a third cold water inlet, a flow sensor 2 is arranged at the second hot water outlet, and the flow sensor 2 is electrically connected with a first controller 5 and a second controller 4; the first controller 5 is provided with a water outlet power-off control module, the second controller 4 is provided with a water outlet power supply control module, and the water storage type water heater group and the instant heating type water heater 3 do not work at the same time.
The first controller 5 is electrically connected with a first power supply, the second controller 4 is electrically connected with a second power supply, the first power supply and the second power supply are electrically connected with a main power supply, and a current overload protector is arranged on the main power supply.
the heating power of the instant water heater 3 is 3000-5500 watts.
The heating power of the water storage type water heater is 1500-5500 watts.
The volume of the water storage type water heater is less than or equal to 25 liters.
The standby temperature rise of the water storage type water heater is less than or equal to 60 ℃.
Another object of the present invention is to provide a method for prolonging the total hot water output time by reducing the hot water output speed of a water storage type water heater:
The method I comprises the following specific steps that when the instant water heater is connected to a hot water outlet pipe:
The first step, each water storage type water heater in the water storage type water heater group heats water stored in the inner container to a set temperature, wherein the set temperature is less than or equal to 60 ℃, and preferably 50 ℃.
and secondly, when the faucet or the spray head is opened, hot water in the water storage type water heater group flows to a first hot water inlet of the temperature-limited water mixing device from a first group of hot water outlets, cold water in the second cold water inlet pipe flows to a third cold water inlet, and the first flow sensor transmits a water flow signal to a water outlet power-off function control module on the first controller and a water outlet power supply function control module on the second controller simultaneously. When the water flow reaches a preset value, the water storage type water heater group stops heating under the action of the first controller, and the instant heating type water heater starts heating under the action of the second controller.
And thirdly, mixing the hot water from the first hot water inlet and the cold water from the third cold water inlet by the temperature-limited water mixing device, outputting mixed water at a temperature of less than or equal to 30 ℃ at the first mixed water outlet, and preferably selecting the temperature of the outputted mixed water as 30 ℃. The consumption speed of hot water in the water storage type water heater is reduced by reducing the mixed water outlet temperature of the first mixed water outlet, so that longer hot water outlet time is obtained.
And fourthly, the instant water heater carries out secondary temperature rise on the mixed water flowing out of the first mixed water outlet for users to use, so that the water temperature is suitable for the users to use.
And when the instant water heater is connected to the second cold water inlet pipe, the specific method is as follows:
the first step, each water storage type water heater in the water storage type water heater group heats water stored in the inner container to a set temperature, wherein the set temperature is less than or equal to 60 ℃, and preferably 50 ℃.
And secondly, when the faucet or the spray head is opened, cold water in the instant water heater arranged on the second cold water inlet pipe flows to a third cold water inlet, and the first flow sensor transmits a water flow signal to the water outlet power-off function control module on the first controller and the water outlet power supply function control module on the second controller at the same time. When the water flow reaches a preset value, under the action of the first controller, the water storage type water heater group stops heating, under the action of the second controller, the instant heating type water heater starts heating, and cold water flowing through the instant heating type water heater is heated to become warm water; and hot water in the water storage type water heater group flows to a first hot water inlet of the temperature-limited water mixing device from a first group of hot water outlet. The consumption speed of hot water in the water storage type water heater is reduced by increasing the temperature of cold water entering the third cold water inlet of the temperature-limited water mixing device, so that longer hot water outlet time is obtained.
And thirdly, mixing the hot water from the first hot water inlet and the warm water from the second cold water inlet by the temperature-limited water mixing device, outputting mixed water with the temperature suitable for users at the first mixed water outlet for users, and preferably outputting the mixed water at 40 ℃.
the utility model has the advantages as follows:
1. the conventional electric water heater needs to be mounted on a wall, occupies space, has a depression feeling, is mounted on the wall, has a falling risk, is exposed and not attractive, and cannot be directly mounted in a cabinet or a bathroom cabinet due to fixed appearance and large volume; the utility model is composed of a water storage type water heater and an instant heating type water heater, the relative position of the arrangement of the water storage type water heater and the instant heating type water heater can be adjusted, the relative placing position can be adjusted according to the condition in a bathroom cabinet or a cupboard cabinet of a user, and the adaptability is strong; the space in a cabinet or a bathroom cabinet at home of a user is usually irregular, and water heaters are required to be installed in the irregular space with non-uniform specification and are adjustable in arrangement mode and overall appearance; the utility model discloses the appearance is adjustable, adaptable various irregular space to be convenient for more directly place in the cupboard or the bathroom cabinet of most specifications, the utility model discloses do not account for the exterior space, do not have the oppression sense, need not hang the wall, do not have the risk that drops, connecting line hides, and is more pleasing to the eye.
2. traditional water storage formula water heater goes out the hot water time short, the utility model discloses a set up the first mixed water delivery port play water temperature of temperature-limiting water admixing device restriction, reach the purpose that reduces the hot water volume of following the output of water storage formula water heater group in the unit interval to realize the longer hot water output of water storage formula water heater group, and then gain with the longer effect of user bathable time under the volumetric condition.
3. the traditional low-power instant water heater has low temperature rise under the conventional bath water flow, and is not suitable for direct bath when the tap water temperature is low in spring, autumn and winter. The utility model discloses a for the supporting water storage formula water heater of low-power instant heating type water heater, reserve an amount of hot water cooperation instant heating type water heater through water storage formula water heater in advance and use to make low-power instant heating type water heater applicable in bathing.
4. The products of the integrated water heater and the bathroom cabinet on the current market are all designed integrally, the purchase price is high, the use is limited, and the maintenance and the replacement are inconvenient. The utility model discloses be convenient for the user to install in the bathroom cabinet of various specifications, it is more convenient to maintain and change, and the application scope is wider.
5. The volume of traditional water storage formula water heater is more than 50 liters usually, and it is big, rate of heating slow to add hot water, and the user is long waiting time when needs are bathed, and the user uses the utility model discloses when the water is bathed in the supply, because be provided with instant heating type water heater and carry out the relay and heat up, so need water storage formula water heater to add the hot water volume few, heating temperature is low, and latency is shorter, and rate of heating is faster, energy-conserving power saving.
6. When traditional single courage water storage formula water heater supply user washed hand, washed face, washed the dish, washed a small amount of water such as dish, the hot water volume of standby is big, and the heat dissipation is many, and power consumption is big, the utility model discloses well water storage formula water heater group when including the water storage formula water heater series connection more than two, when supplying a small amount of water of user, can only heat terminal water storage formula water heater, and the standby hot water volume is little, and the heat dissipation is few, and power consumption is few, energy-conserving power saving.
7. Present split type electric water heater is convenient for install in bathroom cabinet or cupboard, and its quantity through increasing the small-size water storage formula water heater of series connection increases the play hot water yield of totality, and required occupation space is many when the user needs the hot water yield big, the utility model discloses a series connection instant heating type water heater adopts the mode of relay heating, can further reduce the space and occupy, realizes realizing bigger water yield under the condition of small volume, few series connection, low power.
drawings
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the present invention, the following description will be made in detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1, the utility model provides a combined electric water heater with large water yield, which comprises a water storage type water heater group, an instant heating type water heater 3 and a temperature-limiting water mixing device 9;
The water storage type water heater group comprises two water storage type water heaters, a first group of cold water inlet 11 and a first group of hot water outlet are formed in the water storage type water heater group, and a cold water inlet and a hot water outlet are formed in the water storage type water heaters; the cold water inlet and the hot water outlet of the two water storage type water heaters are connected in series, in the two adjacent water storage type water heaters, the hot water outlet of the previous water storage type water heater is communicated with the cold water inlet of the next water storage type water heater, the cold water inlet of the first water storage type water heater is communicated with the first group of cold water inlet 11, and the hot water outlet of the last water storage type water heater is communicated with the first group of hot water outlet.
The instant water heater is provided with a second cold water inlet and a second hot water outlet, and the temperature-limited water mixing device 9 is provided with a first hot water inlet, a third cold water inlet and a first mixed water outlet.
A first group of cold water inlet 11 of the water storage type water heater group is communicated with a first cold water inlet pipe, a first group of hot water outlet of the water storage type water heater group is communicated with a first hot water inlet of a temperature-limited water mixing device 9, a third cold water inlet of the temperature-limited water mixing device 9 is communicated with a second cold water inlet pipe 8, and a first mixed water outlet of the temperature-limited water mixing device 9 is communicated with a hot water outlet pipe 1; the water storage type water heater group is provided with a first controller 5, and the two water storage type water heaters are respectively and electrically connected with the first controller 5.
The instant water heater 3 is arranged on the hot water outlet pipe 1, a second cold water inlet of the instant water heater 3 is communicated with the first mixed water outlet, and a second hot water outlet is communicated with the water outlet end of the hot water outlet pipe 1; the tankless water heater 3 is provided with a second controller 4.
The water storage type water heater group and the instant heating type water heater 3 do not work at the same time. The two water storage type water heaters of the water storage type water heater group are respectively provided with a first heating component, the first heating components are electrically connected with a first controller 5, the instant heating type water heater 3 is provided with a second heating component, and the second heating components are electrically connected with a second controller 4. And a flow sensor 2 is arranged at a second hot water outlet of the instant water heater 3, and the flow sensor 2 is respectively and electrically connected with a first controller 5 and a second controller 4. The first controller 5 is provided with a water outlet power-off function control module, and the second controller 4 is provided with a water outlet power supply function control module.
the flow sensor 2 transmits a flow signal at the second water outlet to the first controller 5 and the second controller 4 at the same time, when the flow signal is greater than or equal to a set value, preferably, when the flow at the second water outlet is greater than or equal to 2 liters/minute, the water outlet power-off function control module on the first controller 5 sends a heating stop signal to the first heating component of the water storage type water heater group after receiving the flow signal, and the water storage type water heater group stops heating; and the water outlet power supply function control module on the second controller 4 sends a heating starting signal to the second heating component of the instantaneous water heater 3 after receiving the flow signal, and the instantaneous water heater 3 starts to heat. When the flow signal is smaller than a set value, that is, when the flow at the second water outlet is smaller than 2 liters/minute, the water outlet power-off function control module on the first controller 5 sends a heating starting signal to the first heating component of the water storage type water heater group after receiving the flow signal, and the water storage type water heater group starts heating; and the water outlet power supply function control module on the second controller 4 sends a heating stop signal to the second heating assembly of the instant water heater 3 after receiving the flow signal, and the instant water heater 3 stops heating.
The temperature-limiting water mixing device 9 is a mechanical constant-temperature water mixing valve, and the constant-temperature water mixing valve limits the water outlet temperature of the first mixed water outlet to be equal to 30 ℃. The heating power of the instant water heater 3 is 3400 watt, and the instant water heater is suitable for being used by a conventional household 2.5 square wire. Under the flow condition of daily water of conventional family, namely when the discharge of water at second delivery port department is about 5 liters/minute, the temperature of 30 ℃ warm water that first mixed water delivery port flow out through the instant heating type water heater 3 heating power for 3400 watts after, the temperature can rise about 10 ℃, namely the play water pipe 1 delivery port temperature can reach about 40 ℃, suitable user uses. When a user uses a water using device with larger flow, namely the water flow at the second water outlet is about 9 liters/minute, the user can select the instantaneous water heater 3 with 5500 watts of heating power, at the moment, the temperature rise of the instantaneous water heater 3 is about 9 ℃, namely, the water temperature at the water outlet end of the hot water outlet pipe 1 can reach about 39 ℃, and the water using device is suitable for the user.
The heating power of the two water storage type water heaters is 2000 watts, compared with a heating pipe with larger power, the 2000-watt heating pipe inner container has small pressure bearing, long service life and less scaling. The volume of the two water storage type water heaters is 15 liters, the volume is suitable for the specification of a conventional bathroom cabinet, and the standby temperature of the water storage type water heaters is less than or equal to 60 ℃. When the standby temperature of the water storage type water heater is less than or equal to 60 ℃, the generation amount of scale is very small, the reduction of scale can prolong the service life of the product, and the heat efficiency of the product is improved. In order to increase the hot water output, the standby temperature of the conventional water storage type water heater is set to 75 ℃ during bathing, and a certain amount of water scale is generated although the total hot water output can be increased under the temperature condition, so that the service life of the product is influenced, and the heat efficiency is reduced.
The utility model discloses an instant heating type water heater 3, limit for temperature water admixing device 9 and water storage formula water heater group combined use, can increase the product by a wide margin and go out the hot water yield, so the stand-by temperature setting of water storage formula water heater can satisfy user's use needs at less than or equal to 60 degrees centigrade.
The first cold water inlet 11 of water storage formula water heater group department be provided with into water temperature sensor 12, temperature sensor 12 and the 5 electricity of first controller of intaking are connected, when instant-heating water heater heating power is 3400 watts, when the user shower goes out the hot water yield and is about 5 liters/minute, promptly instant-heating water heater temperature rise when being about 10 degrees centigrade, the user can set for into when the temperature sensor 12 perception of intaking is intake the temperature and is greater than or equal to 30 degrees centigrade, first controller 5 stops first water storage formula water heater group heating. When a user uses the instantaneous water heater with heating power of 5500 watts and the shower hot water amount is about 5 liters/minute, namely the temperature of the instantaneous water heater rises about 15 ℃, the user can set that the first controller 5 stops heating the first water storage type water heater group when the water inlet temperature sensor 12 senses that the water inlet temperature is more than or equal to 25 ℃. Based on the inlet water temperature sensor 12, the logic relationship that the first controller controls the water storage type water heater group to stop heating is that the inlet water temperature sensor senses the inlet water temperature of the first set of inlet cold water inlet and the temperature rise temperature of the instant water heater, which are the required hot water temperature of the user. Because the domestic reclaimed water flow of the user is a variable and the required hot water temperature of the user is also a variable, the cold water inlet temperature for stopping heating of the water storage type water heater group is required to be set by the user according to the requirement. The user can set the temperature of the inlet water of the first group of cold water inlet according to the actual use condition of the user, and the water storage type water heater set stops heating when the temperature reaches the temperature, so that the purpose of saving electricity consumption is achieved.
The water storage type water heater is characterized in that a first power supply is electrically connected to the first controller 5, a second power supply is electrically connected to the second controller 4, the first power supply and the second power supply are electrically connected with a main power supply, a current overload protector is arranged on the main power supply for preventing current overload, and when the total heating power of the water storage type water heater group and the instant heating type water heater 3 is larger than 5500 watts, the current overload protector cuts off the power supply.
And the first cold water inlet pipe and the second cold water inlet pipe 8 are respectively communicated with a tap water supply port on the wall body.
The working principle of the embodiment is as follows:
In daily use, the temperature of hot water used by a user is usually 38-40 ℃, namely the temperature of the hot water output by a traditional water mixing valve after the hot water output by a traditional water storage type water heater is mixed with cold water output by a tap water pipe is 38-40 ℃, because the temperature of the tap water is usually low, the quantity of the hot water output by the traditional water storage type water heater needs to be large at this moment, and the consumption speed of the hot water stored in the inner container of the water storage type water heater is high.
The utility model discloses a when limit for temperature water admixing device 9 mixes the water valve and prescribes a limit to mixed water leaving water temperature and be 30 degrees centigrade promptly with constant temperature, because the mixed water leaving water temperature of 30 degrees centigrade is less than the leaving water temperature of tradition 38-40 degrees centigrade, so the consumption speed that hot water was stored to water storage formula water heater group slows down to under the condition that the volume is the same, the utility model provides a water storage formula water heater group can maintain the hot water output quantity of longer time. The hot water outlet time of the water storage type water heater group is prolonged, and the bathing time of a user can be prolonged accordingly.
In actual use, a user can select the volume of the single water storage type water heaters in the water storage type water heater group and the number of the single water storage type water heaters connected in series according to actual needs, and can select the heating power of the instant water heater 3. The higher the heating power of the instant water heater is, the lower the outlet water temperature limited at the first mixed water outlet of the temperature-limited water mixing device 9 is, the larger the total volume of the water storage type water heater groups connected in series is, and the longer the available hot water time of a user is.
method of use of the present embodiment
When the running water temperature of intaking was lower, like during the winter, perhaps user's demand bathes for a long time, and the user is when needs are bathed, starts two water storage formula water heater heating hot water earlier, and preferred heating methods does, heats the water storage formula water heater who connects first group play hot water mouth earlier among two water storage formula water heaters, heats the back and then heats the connection of finishing the preceding water storage formula water heater of water storage formula water heater income cold water mouth. When the heating power of each single water storage type water heater connected in series in the water storage type water heater group does not exceed 5500 watts in total, each single water storage type water heater can also heat simultaneously. After the water storage type water heater group is heated, a user can take a bath.
When the temperature of intaking of running water is moderate, like during spring and autumn two seasons, perhaps the user demand bathes the time short, the user when needs bathe, can start connect the water storage formula water heater heating hot water of first group hot water mouth can, the heating of water storage formula water heater group finishes the back, and the user can bathe.
When the temperature of tap water is higher, such as summer or tropical area, when the tap water only can have a bath through the heating of instant heating type water heater 3, the user can close water storage formula water heater group, also can be based on temperature sensor through setting for first controller 5, through first controller 5 self-closing water storage formula water heater group.
When water is supplied for washing hands, bowls, faces and vegetables of a user, the user can only start the water storage type water heater connected with the first group of hot water outlets in the water storage type water heater group to be standby, the standby temperature is determined according to the actual water consumption of the user, and the recommended standby temperature is 30 ℃. Because the standby hot water quantity is less, the standby temperature is low, the heat dissipation is less, and the standby power consumption is lower.
Example two:
As shown in fig. 2, the others are the same as those in embodiment 1, except that the instantaneous water heater 3 is disposed on the second cold water inlet pipe 8, the second cold water inlet of the instantaneous water heater 3 is communicated with the water inlet end of the second cold water inlet pipe 8, the second hot water outlet is communicated with the third cold water inlet of the temperature-limited water mixing device 9, and the flow sensor 2 is disposed at the second hot water outlet and is located on a water path between the second hot water outlet and the third cold water inlet. The temperature-limiting water mixing device 9 is a manual water mixing valve with a temperature display (for example, an authorized bulletin number of CN 204533644U, named as a water mixing valve with a temperature display). The temperature limiting water mixing device 9 limits the water temperature of the first mixed water outlet to be 40 ℃.
The working principle of the embodiment is as follows:
Under the condition that the outlet water temperature of the first mixed water outlet is constant, the instant water heater 3 heats the cold water entering the temperature-limited water mixing device 9, so that the consumption of the temperature-limited water mixing device 9 on the hot water entering the temperature-limited water mixing device can be reduced, the hot water output of the water storage type water heater group in unit time can be reduced, and the hot water output in a longer time can be maintained. The hot water outlet time of the water storage type water heater is prolonged, and the time that a user can take a bath can be prolonged accordingly.
Claims (10)
1. a combined electric water heater with large water yield is characterized by comprising a water storage type water heater group, an instant heating type water heater (3) and a temperature-limiting water mixing device (9);
The water storage type water heater group comprises one water storage type water heater or more than two water storage type water heaters, a first group of cold water inlet (11) and a first group of hot water outlet are formed in the water storage type water heater group, and a cold water inlet and a hot water outlet are formed in the water storage type water heater; when the water storage type water heater group is a water storage type water heater, the cold water inlet is communicated with a first group of cold water inlet (11), and the hot water outlet is communicated with a first group of hot water outlet;
When the water storage type water heater group comprises more than two water storage type water heaters, the cold water inlet and the hot water outlet of each water storage type water heater are connected in series, in the two adjacent water storage type water heaters, the hot water outlet of the previous water storage type water heater is communicated with the cold water inlet of the next water storage type water heater, the cold water inlet of the first water storage type water heater is communicated with the first group of cold water inlets (11), and the hot water outlet of the last water storage type water heater is communicated with the first group of hot water outlets;
The instant water heater is provided with a second cold water inlet and a second hot water outlet, and the temperature-limited water mixing device (9) is provided with a first hot water inlet, a third cold water inlet and a first mixed water outlet;
a first group of cold water inlet openings (11) of the water storage type water heater group are communicated with a first cold water inlet pipe, a first group of hot water outlet openings of the water storage type water heater group are communicated with a first hot water inlet opening of a temperature-limited water mixing device (9), a third cold water inlet opening of the temperature-limited water mixing device (9) is communicated with a second cold water inlet pipe (8), and a first mixed water outlet opening of the temperature-limited water mixing device (9) is communicated with a hot water outlet pipe (1);
The instant heating type water heater (3) is arranged on the hot water outlet pipe (1) or on the second cold water inlet pipe; when the instant water heater (3) is arranged on the hot water outlet pipe (1), a second cold water inlet of the instant water heater (3) is communicated with the first mixed water outlet, and a second hot water outlet is communicated with the water outlet end of the hot water outlet pipe (1); when the instant water heater (3) is arranged on the second cold water inlet pipe, a second cold water inlet of the instant water heater (3) is communicated with a water inlet end of the second cold water inlet pipe (8), and a second hot water outlet is communicated with a third cold water inlet of the temperature-limited water mixing device (9);
the water storage type water heater group is provided with a first controller (5), more than one water storage type water heater is respectively and electrically connected with the first controller (5), and the instant heating type water heater (3) is provided with a second controller (4);
The first cold water inlet pipe and the second cold water inlet pipe (8) are respectively communicated with a tap water supply port on the wall body.
2. the large water output combined electric water heater as claimed in claim 1, wherein: instant heating type water heater (3) set up on going out hot water pipe (1), the second of instant heating type water heater (3) go out hot water mouth department and be provided with flow sensor (2), flow sensor (2) be connected with first controller (5) and second controller (4) electricity respectively, first controller (5) on be provided with out water outage power supply function control module, second controller (4) on be provided with out water power supply function control module, water storage formula water heater group with instant heating type water heater (3) do not work simultaneously.
3. The large water output combined electric water heater as claimed in claim 2, wherein: the temperature-limiting water mixing device (9) is an electric control constant-temperature water mixing valve or a mechanical constant-temperature water mixing valve, and the temperature-limiting water mixing device (9) limits the water outlet temperature of the first mixed water outlet to be less than or equal to 30 ℃.
4. a high output combined electric water heater as claimed in claim 3, wherein: the first cold water inlet (11) of the water storage type water heater set is provided with a water inlet temperature sensor which is electrically connected with the first controller (5).
5. The large water output combined electric water heater as claimed in claim 1, wherein: the instant heating type water heater (3) is arranged on a second cold water inlet pipe (8), a second cold water inlet is communicated with the water inlet end of the second cold water inlet pipe (8), a second hot water outlet is communicated with a third cold water inlet, a flow sensor (2) is arranged at the second hot water outlet, and the flow sensor (2) is electrically connected with a first controller (5) and a second controller (4); the water storage type water heater group and the instant heating type water heater (3) do not work at the same time.
6. the large water output combined electric water heater as claimed in claim 2 or 5, wherein: the first controller (5) is electrically connected with a first power supply, the second controller (4) is electrically connected with a second power supply, the first power supply and the second power supply are electrically connected with a main power supply, and a current overload protector is arranged on the main power supply.
7. The large water output combined electric water heater as claimed in claim 1, wherein: the heating power of the instant water heater (3) is 3000-5500 watts.
8. the large water output combined electric water heater as claimed in claim 1, wherein: the heating power of the water storage type water heater is 1500-5500 watts.
9. the large water output combined electric water heater as claimed in claim 1, wherein: the volume of the water storage type water heater is less than or equal to 25 liters.
10. The large water output combined electric water heater as claimed in claim 1, wherein: the standby temperature rise of the water storage type water heater is less than or equal to 60 ℃.
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| CN201822027991.9U CN209782964U (en) | 2018-12-05 | 2018-12-05 | Combined electric water heater with large water yield |
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| CN201822027991.9U CN209782964U (en) | 2018-12-05 | 2018-12-05 | Combined electric water heater with large water yield |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998544A (en) * | 2020-09-08 | 2020-11-27 | 宁波蓝释电子科技有限公司 | Water outlet temperature self-adaptive adjusting system and adjusting method of air energy water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998544A (en) * | 2020-09-08 | 2020-11-27 | 宁波蓝释电子科技有限公司 | Water outlet temperature self-adaptive adjusting system and adjusting method of air energy water heater |
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