CN111380222A - Controllable booster-type electric water heater and water outlet flow control method thereof - Google Patents
Controllable booster-type electric water heater and water outlet flow control method thereof Download PDFInfo
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- CN111380222A CN111380222A CN201811612895.9A CN201811612895A CN111380222A CN 111380222 A CN111380222 A CN 111380222A CN 201811612895 A CN201811612895 A CN 201811612895A CN 111380222 A CN111380222 A CN 111380222A
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- Prior art keywords
- water
- booster pump
- mixing valve
- controller
- booster
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/185—Water-storage heaters using electric energy supply
Abstract
The invention discloses a controllable supercharged electric water heater and a water outlet flow control method of the electric water heater. The controllable booster-type electric water heater comprises a controller, a water tank and a water mixing valve, wherein an electric heater is arranged in the water tank, the water tank is provided with a cold water inlet and a hot water outlet, and a first booster pump is arranged between the hot water outlet and a hot water port of the water mixing valve; the controllable booster-type electric water heater further comprises a trigger device, the trigger device is arranged in the bathing area and used for triggering the controller to control the first booster pump to be started or closed, and the trigger device and the first booster pump are respectively in signal connection with the controller. The water outlet flow of the electric water heater is effectively increased, so that the user experience is improved.
Description
Technical Field
The invention relates to the technical field of electric water heaters, in particular to a controllable booster-type electric water heater and a water outlet flow control method of the electric water heater.
Background
At present, an electric water heater is a household appliance commonly used in daily life of people, and generally comprises a water tank and an electric heating pipe arranged in the water tank, wherein the water tank is provided with a cold water inlet and a hot water outlet, the cold water inlet is connected with a tap water pipe, the hot water outlet is connected with a hot water port of a water mixing valve, the cold water port of the water mixing valve is correspondingly connected with the tap water pipe, and a water outlet of the water mixing valve is connected with water outlet devices such as a shower head. In the in-service use in-process, when the water pressure of water pipe is lower, will lead to the hot water output volume of water tank to reduce, set up the booster pump among the prior art usually and increase the water yield, the water of water pipe output earlier through the booster pump pressure boost after, the rethread tee bend is connected with cold water inlet and the cold water mouth that mixes the water valve respectively. However, because the water itself has viscosity (i.e. internal friction) when the water flow runs in the pipeline, and friction exists between the water flow and the pipeline, the two friction forces form resistance to the flow of the water flow, in fluid mechanics, the water flow is composed of a plurality of fluid particles, and according to the kinetic energy theorem, in order to overcome the energy lost by the resistance of the water flow, the kinetic energy of the fluid particles at the later position is reduced compared with the kinetic energy at the former position, that is, the flow velocity of the fluid particles at the later position is reduced; and, the flow of rivers is the product of unit cross sectional area and fluid particle velocity of flow, consequently along with the reduction of fluid particle velocity of flow, the flow of rivers also can reduce thereupon, promptly along with the extension of pipeline on journey, the flow of rivers can reduce gradually, and because the booster pump sets up the cold water import at the water heater, the water of booster pump output will pass through the cold water pipe in proper order, the water tank, the hot-water line and the final output of muddy water valve, the pipeline on journey that the rivers flowed through is longer, make the flow that the booster pump promoted just consume totally when reaching the delivery port of muddy water valve, the increase effect of the water yield is relatively poor, lead to user experience nature lower. The invention aims to solve the technical problem of how to design a technology capable of increasing the water outlet flow of an electric water heater.
Disclosure of Invention
The invention provides a controllable supercharged electric water heater and a water outlet flow control method of the electric water heater, which can effectively increase the water outlet flow of the electric water heater so as to improve the user experience.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a controllable booster-type electric water heater comprises a controller, a water tank and a water mixing valve, wherein an electric heater is arranged in the water tank, the water tank is provided with a cold water inlet and a hot water outlet, and a first booster pump is arranged between the hot water outlet and a hot water port of the water mixing valve; the controllable booster-type electric water heater further comprises a trigger device, the trigger device is arranged in the bathing area and used for triggering the controller to control the first booster pump to be started or closed, and the trigger device and the first booster pump are respectively in signal connection with the controller.
Furthermore, a water outlet of the water mixing valve is provided with a temperature sensor, a cold water port of the water mixing valve is further connected with a second booster pump, the temperature sensor is used for triggering the controller to control the second booster pump to be opened or closed, and the second booster pump is in signal connection with the controller.
Furthermore, the system also comprises a tee joint, wherein an inlet of the tee joint is used for being connected with a tap water pipe, one outlet of the tee joint is connected with the cold water inlet, and the other outlet of the tee joint is connected with the second booster pump.
Furthermore, the water mixing valve is a constant-temperature water mixing valve, and the constant-temperature water mixing valve is in signal connection with the controller.
Furthermore, a water outlet of the water mixing valve is provided with a water flow sensor, and the water flow sensor is used for triggering the controller to control the first booster pump to be started or closed.
Further, the trigger device is a touch switch or a voice control switch.
The invention also provides a water outlet flow control method of the electric water heater, the electric water heater comprises a controller, a water tank and a water mixing valve, an electric heater is arranged in the water tank, the water tank is provided with a cold water inlet and a hot water outlet, a first booster pump is arranged between the hot water outlet and a hot water port of the water mixing valve, the electric water heater also comprises a trigger device, the trigger device is arranged in a bathing area and used for triggering the controller to control the first booster pump to be opened or closed, and the trigger device and the first booster pump are respectively in signal connection with the controller;
the control method comprises the following steps: after the water mixing valve is opened and the water temperature is adjusted, the controller is triggered through the trigger device to control the first booster pump to be started, and the first booster pump directly pumps hot water in the water tank and conveys the hot water to the water mixing valve to increase the water outlet flow.
Furthermore, a water outlet of the water mixing valve is provided with a temperature sensor, and a cold water port of the water mixing valve is also connected with a second booster pump; the control method specifically comprises the following steps: after the first booster pump is started, the controller controls the second booster pump to be started under the condition that the temperature sensor detects the temperature value of the water outlet of the water mixing valve is increased.
Further, the water mixing valve is a constant-temperature water mixing valve; the control method specifically comprises the following steps: after the first booster pump is started, the constant-temperature water mixing valve correspondingly increases the cold water inlet amount of the cold water port.
Further, a water outlet of the water mixing valve is provided with a water flow sensor;
the control method further comprises the following steps:
when the water mixing valve continuously discharges water, the controller controls the first booster pump to start when the flow value Lt detected by the water flow sensor is smaller than L0 and the difference value between the flow value Lt and the L0 is larger than △ L1 in the closed state of the first booster pump, and the controller controls the first booster pump to stop when the first booster pump continuously boosts the pressure until the flow value Lt detected by the water flow sensor is larger than L0 and the difference value between the flow value Lt and the L0 is larger than 465925L 2.
Compared with the prior art, the invention has the advantages and positive effects that: through the direct booster pump that disposes of the hot water export at the water tank, like this, the water in the booster pump suction water tank directly supplies with muddy water valve, and the effectual reduction causes the too big influence of water resistance along the journey longer because of the pipeline, and the water outlet flow who mixes the water valve delivery port is increased to the utilization booster pump pressure boost ability that can be abundant to improve user experience nature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of an embodiment of a controllable booster-type electric water heater according to the present invention;
fig. 2 is a structural schematic diagram II of the controllable booster-type electric water heater of the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the controllable booster-type electric water heater of this embodiment includes a controller 4, a water tank 1 and a water mixing valve 2, wherein an electric heater (not shown) is disposed in the water tank 1, the water tank 1 is provided with a cold water inlet and a hot water outlet, and a first booster pump 3 is disposed between the hot water outlet and a hot water port of the water mixing valve 2; the controllable booster-type electric water heater further comprises a trigger device 41, the trigger device is arranged in the bathing area and used for triggering the controller 4 to control the first booster pump 3 to be opened or closed, and the trigger device 41 and the first booster pump 3 are respectively in signal connection with the controller 4.
Specifically, in the bathing process of the user, the controllable booster-type electric water heater of the embodiment has the user start the first booster pump 3 through the trigger device 41 to realize the boosting so as to increase the water outlet flow of the water mixing valve 2, and since the first booster pump 3 is connected between the hot water outlet and the water mixing valve 2, the first booster pump 3 pumps the hot water in the water tank 1 and then directly conveys the hot water to the water mixing valve 2, so that the problem that the boosting effect is not obvious due to too long pipeline through which the water flows and too large water resistance can be solved effectively. The trigger device 41 may be a touch switch or a voice control switch, the touch switch is of a waterproof design, the user presses the touch switch to send the trigger signal, the voice control switch receives a voice command sent by the user, such as "boost" or "boost off", and the voice control switch performs audio processing according to the received command and converts the voice command into a control signal to send to the controller 4.
The first booster pump 3 can increase the flow rate of hot water, so as to avoid overhigh water outlet temperature of the water mixing valve 2 and ensure constant water outlet temperature of the water mixing valve 2, the water outlet of the water mixing valve 2 is provided with the temperature sensor 22, the cold water port of the water mixing valve 5 is also connected with the second booster pump 5, the temperature sensor 22 is used for triggering the controller 4 to control the second booster pump 5 to be opened or closed, and the second booster pump 5 is in signal connection with the controller 2. Specifically, after first booster pump 3 starts, more hot water enters into mixing water valve 2, and at this moment, temperature sensor 22 detects mixing water valve 2's leaving water temperature and increases, and temperature sensor 22 feeds back temperature signal to controller 4, and controller 4 will start second booster pump 5 and enter into mixing water valve 2's flow with increase cold water to the leaving water temperature who mixes water valve 2 in the balance keeps at the temperature fluctuation within range of settlement, improves user's bathing experience nature. In order to supply water, the tap water pipe 100 is connected to the cold water inlet of the water tank 1 and the second booster pump 5 through a tee 101.
Similarly, in order to keep the outlet water temperature stable, as shown in fig. 2, the mixing valve 2 may be a thermostatic mixing valve, and the thermostatic mixing valve is in signal connection with the controller 4. Specifically, after the controller 4 controls the first booster pump 3 to start, the first booster pump 3 will increase the flow of the hot water entering the constant-temperature water mixing valve, and the opening degree of the corresponding increased cold water side of the constant-temperature water mixing valve can also satisfy the requirement of increasing the water outlet flow rate in the constant-temperature water outlet state.
Further, a water flow sensor 21 is arranged at a water outlet of the water mixing valve 2, and the water flow sensor 21 is used for triggering the controller 2 to control the first booster pump 3 to be turned on or turned off. Specifically, in the bathing process of a user, the controller 4 is triggered by the trigger device 41 to start the first booster pump 3 to gradually boost until the required water outlet amount is reached at the beginning, and then the controller 4 is triggered by the trigger device 41 to close the first booster pump 3, at this time, the water flow sensor 21 can record the water consumption required by the user, in the normal bathing process, the water outlet flow of the water mixing valve 2 is detected by the water flow sensor 21 and fed back to the controller 2, and the controller 2 dynamically controls the first booster pump 3 to operate according to the fed-back water flow signal.
The invention also provides a water outlet flow control method based on the electric water heater, which comprises the steps of triggering the controller to control the first booster pump to be started through the trigger device after the water mixing valve is opened and the water temperature is adjusted, directly pumping hot water in the water tank to the water mixing valve to increase the water outlet flow through the first booster pump, specifically, when a user bathes, the first booster pump does not work when the water mixing valve is opened for the first time in bathing, the problem that bathing facilities are damaged due to pressure increase under the condition that the water pressure is normal is avoided, when the water pressure is low, the water outlet flow of the user needs to be increased, the first booster pump is started through the trigger device to operate, the first booster pump can adopt a variable frequency pump to realize gradual boosting until the water outlet flow meets the requirement, and then the trigger device is controlled to stop operating through the trigger device, preferably, in order to avoid the user frequently operating the trigger device, a water outlet of the water mixing valve is provided with a water flow sensor, after the water outlet flow of the water mixing valve is increased and reaches the water outlet flow value required by the user, the trigger device is controlled by the first booster pump, the water flow sensor is controlled by the booster pump, and the water flow sensor is controlled to be larger than the first booster pump 363957 when the water outlet flow sensor is detected, the water flow sensor is closed, the water flow sensor is controlled by the booster pump 365982 when the water flow sensor, the water flow sensor is detected, the water flow sensor is smaller than 364682, the first booster pump, the water flow sensor is controlled when the water flow sensor is detected under the water flow sensor 364654, the water flow.
Furthermore, in order to ensure that the temperature of the outlet water of the water mixing valve is kept within a reasonable temperature floating range, a temperature sensor is arranged at the water outlet of the water mixing valve, and a cold water port of the water mixing valve is also connected with a second booster pump; the control method specifically comprises the following steps: after the first booster pump is started, the controller controls the second booster pump to be started under the condition that the temperature sensor detects the temperature value of the water outlet of the water mixing valve is increased. Specifically, when the first booster pump is started to increase the output quantity of the hot water, the temperature sensor detects that the temperature value of the water outlet of the water mixing valve is increased, the controller controls the second booster pump to be started to increase the output quantity of the cold water according to the detected temperature signal when the temperature increase value is larger than the set value of the system until the temperature reaches the temperature range regulated by the user, for example: the temperature is set to be 38 degrees by a user, and the second booster pump is started when the water outlet temperature of the water mixing valve rises to 40 degrees after the first booster pump is started, so that the water outlet temperature is maintained between 37 degrees and 39 degrees. Preferably, the operation power of the first booster pump and the operation power of the second booster pump can be further dynamically adjusted according to the flow value detected by the water flow sensor, so that the outlet water temperature and the outlet water flow meet the setting requirements of a user.
Similarly, in the case that the constant-temperature water mixing valve is adopted to realize constant-temperature water outlet, the control method specifically includes: after the first booster pump is started, the constant-temperature water mixing valve correspondingly increases the cold water inlet amount of the cold water port.
Compared with the prior art, the invention has the advantages and positive effects that: through the direct booster pump that disposes of the hot water export at the water tank, like this, the water in the booster pump suction water tank directly supplies with muddy water valve, and the effectual reduction causes the too big influence of water resistance along the journey longer because of the pipeline, and the water outlet flow who mixes the water valve delivery port is increased to the utilization booster pump pressure boost ability that can be abundant to improve user experience nature.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A controllable booster-type electric water heater comprises a controller, a water tank and a water mixing valve, wherein an electric heater is arranged in the water tank, and the water tank is provided with a cold water inlet and a hot water outlet; the controllable booster-type electric water heater further comprises a trigger device, the trigger device is arranged in the bathing area and used for triggering the controller to control the first booster pump to be started or closed, and the trigger device and the first booster pump are respectively in signal connection with the controller.
2. The controllable booster-type electric water heater according to claim 1, wherein a temperature sensor is arranged at a water outlet of the water mixing valve, a second booster pump is further connected to a cold water port of the water mixing valve, the temperature sensor is used for triggering the controller to control the second booster pump to be turned on or turned off, and the second booster pump is in signal connection with the controller.
3. The controllable booster-type electric water heater according to claim 2, further comprising a tee joint, wherein an inlet of the tee joint is used for connecting a tap water pipe, an outlet of the tee joint is connected with the cold water inlet, and another outlet of the tee joint is connected with the second booster pump.
4. The controllable booster-type electric water heater according to claim 1, wherein the water mixing valve is a thermostatic water mixing valve, and the thermostatic water mixing valve is in signal connection with the controller.
5. The controllable booster-type electric water heater according to claim 1, wherein a water outlet of the water mixing valve is provided with a water flow sensor, and the water flow sensor is used for triggering the controller to control the first booster pump to be turned on or off.
6. The controllable booster-type electric water heater of claim 1, wherein the trigger device is a tact switch or a voice-controlled switch.
7. The method for controlling the water outlet flow of the electric water heater is characterized by comprising a controller, a water tank, a water mixing valve, an electric heater, a trigger device and a control device, wherein the water tank is internally provided with the electric heater and is provided with a cold water inlet and a hot water outlet, a first booster pump is arranged between the hot water outlet and a hot water port of the water mixing valve, the trigger device is arranged in a bathing area and is used for triggering the controller to control the first booster pump to be opened or closed, and the trigger device and the first booster pump are respectively in signal connection with the controller;
the control method comprises the following steps: after the water mixing valve is opened and the water temperature is adjusted, the controller is triggered through the trigger device to control the first booster pump to be started, and the first booster pump directly pumps hot water in the water tank and conveys the hot water to the water mixing valve to increase the water outlet flow.
8. The water outlet flow control method of the electric water heater according to claim 7, wherein a temperature sensor is arranged at a water outlet of the water mixing valve, and a second booster pump is further connected to a cold water port of the water mixing valve; the control method specifically comprises the following steps: after the first booster pump is started, the controller controls the second booster pump to be started under the condition that the temperature sensor detects the temperature value of the water outlet of the water mixing valve is increased.
9. The method for controlling the flow rate of the discharged water of the electric water heater according to claim 7, wherein the mixing valve is a thermostatic mixing valve; the control method specifically comprises the following steps: after the first booster pump is started, the constant-temperature water mixing valve correspondingly increases the cold water inlet amount of the cold water port.
10. The method for controlling the water outlet flow of the electric water heater according to claim 8, wherein a water flow sensor is arranged at a water outlet of the water mixing valve;
the control method further comprises the following steps:
when the water mixing valve continuously discharges water, the controller controls the first booster pump to start when the flow value Lt detected by the water flow sensor is smaller than L0 and the difference value between the flow value Lt and the L0 is larger than △ L1 in the closed state of the first booster pump, and the controller controls the first booster pump to stop when the first booster pump continuously boosts the pressure until the flow value Lt detected by the water flow sensor is larger than L0 and the difference value between the flow value Lt and the L0 is larger than 465925L 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612895.9A CN111380222A (en) | 2018-12-27 | 2018-12-27 | Controllable booster-type electric water heater and water outlet flow control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612895.9A CN111380222A (en) | 2018-12-27 | 2018-12-27 | Controllable booster-type electric water heater and water outlet flow control method thereof |
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| CN111380222A true CN111380222A (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811612895.9A Pending CN111380222A (en) | 2018-12-27 | 2018-12-27 | Controllable booster-type electric water heater and water outlet flow control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268372A (en) * | 2020-10-23 | 2021-01-26 | 珠海格力电器股份有限公司 | Pressurization control method of water heater and water heater |
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| CN204574515U (en) * | 2015-03-31 | 2015-08-19 | 广东万和新电气股份有限公司 | Domestic hot water system |
| CN205533153U (en) * | 2016-04-15 | 2016-08-31 | 王志远 | Real -time water temperature control device that mixes |
| CN207035459U (en) * | 2017-08-12 | 2018-02-23 | 张振权 | A kind of intelligent thermostatic electric water heater |
| CN209763503U (en) * | 2018-12-27 | 2019-12-10 | 青岛经济技术开发区海尔热水器有限公司 | Controllable booster-type electric water heater |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203286783U (en) * | 2013-05-16 | 2013-11-13 | 胡身健 | Solar water heater circulation control system |
| CN204574515U (en) * | 2015-03-31 | 2015-08-19 | 广东万和新电气股份有限公司 | Domestic hot water system |
| CN205533153U (en) * | 2016-04-15 | 2016-08-31 | 王志远 | Real -time water temperature control device that mixes |
| CN207035459U (en) * | 2017-08-12 | 2018-02-23 | 张振权 | A kind of intelligent thermostatic electric water heater |
| CN209763503U (en) * | 2018-12-27 | 2019-12-10 | 青岛经济技术开发区海尔热水器有限公司 | Controllable booster-type electric water heater |
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| CN112268372A (en) * | 2020-10-23 | 2021-01-26 | 珠海格力电器股份有限公司 | Pressurization control method of water heater and water heater |
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