CN108168087B - Pre-instant double-mode electric water heater - Google Patents
Pre-instant double-mode electric water heater Download PDFInfo
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- CN108168087B CN108168087B CN201711435805.9A CN201711435805A CN108168087B CN 108168087 B CN108168087 B CN 108168087B CN 201711435805 A CN201711435805 A CN 201711435805A CN 108168087 B CN108168087 B CN 108168087B
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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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
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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
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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
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention discloses a pre-instant dual-mode electric water heater, which comprises a water storage tank, an instant heating device and an intermittent water supply device, wherein a water inlet of the instant heating device is connected with a water source, a water outlet of the instant heating device is arranged at the top of an inner cavity of the water storage tank, the intermittent water supply device is arranged right below the water outlet of the instant heating device, the intermittent water supply device comprises a water receiver, the water receiver is arranged on a bracket through a rotating shaft, and the bracket is connected with the inner wall of the water storage tank; when no water exists in the water receiver, the gravity center of the water receiver is positioned below the rotating shaft; when the water receiver is filled with water, the moment of the part of the water receiver above the rotating shaft is greater than that of the part of the water receiver below the rotating shaft. The water heater adopts the intermittent water supply device, so that the use safety of the water heater is greatly enhanced. The water heater has the advantages of simple structure, low manufacturing cost, safety, reliability and good energy-saving effect.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a pre-instant dual-mode electric water heater.
Background
Electric water heaters are mainly divided into two categories, namely water storage type electric water heaters and instant heating type electric water heaters. Although the instant electric water heater saves energy compared with a water storage type electric water heater, the instant electric water heater has large power and high requirement on electric wires, and the popularization of rural areas and old urban areas is limited; the water storage type electric heater has long preheating time, large heating water amount, low hot water production rate and easy energy waste. The pre-instant double-mode electric water heater overcomes the defects of large volume, slow heating, high energy consumption and the like of a water storage type electric water heater, also overcomes the problem that the instant electric water heater needs high power, and has good market popularization value.
Most of the pre-instant double-mode electric water heaters adopt two inner containers of preheating and instant heating and two heating pipes of preheating and instant heating, and the system is complex. The invention patent application No. CN 104848522A provides a pre-instant dual-mode electric water heater, which comprises a single inner container and two heating pipes and is complex in structure. The invention patent application number CN 104180508A provides a pre-instant dual-mode electric water heater, which adopts two primary and secondary inner containers and a heating pipe, but the primary and secondary inner containers are switched by a complicated mechanical structure, and the system is also complicated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention develops the pre-instant dual-mode electric water heater which has the advantages of simple structure, low manufacturing cost, safety and reliability.
The technical scheme for solving the technical problem of the invention is as follows: on one hand, the embodiment of the invention provides a pre-instant dual-mode electric water heater, which comprises a water storage tank, an instant heating device and an intermittent water supply device, wherein a water inlet of the instant heating device is connected with a water source, a water outlet of the instant heating device is arranged at the top of an inner cavity of the water storage tank, the intermittent water supply device is arranged right below the water outlet of the instant heating device and comprises a water receiver, the water receiver is arranged on a support through a rotating shaft, and the support is connected with the inner wall of the water storage tank; when no water exists in the water receiver, the gravity center of the water receiver is positioned below the rotating shaft; when the water receiver is filled with water, the moment of the part of the water receiver above the rotating shaft is greater than that of the part of the water receiver below the rotating shaft.
When the instant heating water supply device works, tap water flows into the intermittent water supply device after being heated by the instant heating device and finally flows into the water storage tank to be used as preheating water, namely, a certain amount of water is heated in an instant heating mode to realize the preheating function, so that the function of a preheating mode and a double mode are realized by only one heating pipe.
The electric water heater can generate electricity because the continuously flowing water plays a role of conducting current when electric leakage occurs, and if the continuously flowing water supply is changed into the intermittent water supply, the safety of the water heater is certainly and greatly enhanced. Based on the principle, the water heater adopts the intermittent water supply device, namely hot water of the heating device enters the water receiver, and when the water receiver is full of water, the water receiver is inclined to dump the hot water in the water storage tank. Then, the water receiver automatically searches for a plumb line under the action of the gravity center, returns to the position of the plumb line, and receives hot water from the hot water outlet again, and the process is repeated, so that intermittent supplement of the hot water is realized, and the use safety is ensured.
Preferably, the water storage tank comprises a shell, a heat insulation material and an inner container, wherein the heat insulation material is arranged between the shell and the inner container.
As optimization, the instant heating device comprises a controller, a water inlet pipe, a heating pipe and a water outlet pipe, wherein one end of the water inlet pipe is connected with a water source, the other end of the water inlet pipe is connected with a water inlet of the heating pipe, a water outlet of the heating pipe is connected with the water outlet pipe, a heating wire is arranged in the heating pipe and is connected with a leakage protection switch, the leakage protection switch is connected with a power supply through a relay, a control port of the relay is connected with the controller, the heating pipe is U-shaped, and two ports of the heating pipe are located outside the water storage tank.
Preferably, a water flow switch is arranged on the water inlet pipe and connected with the controller.
As optimization, still be provided with electronic water supply valve on the inlet tube, the instant heating device still includes start button, stop button. The start button, the stop button and the electric water supply valve are connected with the controller. When a starting button is pressed, the water heater starts to work, the electric water supply valve is opened, the heating wire is electrified to start to work, the electric water supply valve is linked with the heating wire, and when the heating wire supplies power to work, the electric water supply valve is opened; when the heating wire is powered off and does not work, the electric water supply valve is closed.
Preferably, the top of the water storage tank is provided with a vent pipe which is communicated with the inner cavity of the water storage tank and the external atmosphere.
Preferably, the water storage tank is further provided with a glass tube water level meter, a high water limit level line and a low water limit level line are marked on the glass tube water level meter, a high water limit level sensor and a low water limit level sensor are respectively arranged in the water storage tank at positions corresponding to the high water limit level line and the low water limit level line, and the high water limit level sensor and the low water limit level sensor are connected with the controller. When the water level in the water storage tank reaches the low limit water level, bathing can be carried out, when the water level in the water storage tank is lower than the high limit water level, the heating pipe continuously works to continuously supplement hot water to ensure continuous bathing, and when the water level in the water storage tank is lower than the high limit water level, the high limit water level sensor transmits a signal to the controller, the controller closes the electric water supply valve of the tap water, and meanwhile, the power supply of the heating wire is cut off.
Preferably, the bottom of the water storage tank is provided with a hot water pipe, the hot water pipe is provided with a water outlet control valve, and the hot water pipe is connected with a water mixing valve. Through the water mixing valve, the hot water pipe and tap water are mixed to reach the proper bathing water temperature for a bather, and the water outlet control valve is closed when hot water is not used.
And optimally, the water outlet pipe is provided with a grounding wire.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and the technical scheme has the following advantages or beneficial effects:
1. the water heater adopts the intermittent water supply device, so that the use safety of the water heater is greatly enhanced. The water heater has the advantages of simple structure, low manufacturing cost, safety, reliability and good energy-saving effect.
2. When no water is arranged in the water receiver, the gravity center of the water receiver is positioned below the rotating shaft; when the water receiver is filled with water, the moment of the part of the water receiver above the rotating shaft is greater than that of the part of the water receiver below the rotating shaft. When the whole water receiver is filled with water, the water receiver is heavy and light, the whole container is easy to deviate from a plumb line, and the water is discharged completely after overturning. Then the water receiver automatically searches for the plumb line under the action of the gravity center, and water is injected again to repeat the process. Therefore, the intermittent water supply device can automatically topple when being filled with water and automatically return to the plumb position after toppling.
3. The two ports through setting up the heating pipe are located the storage water tank outside, if the heater strip damages, change the heater strip again and can make the water heater normal work once more, and it is convenient to change.
4. Through setting up rivers switch, can detect whether have rivers in the inlet tube, guaranteed that the heater strip just switches on when having water, outage when anhydrous to when having avoided the outage, the dry combustion method of heater strip.
5. Through setting up the breather pipe, ensured that the water heater is the normal pressure formula, improved the security. Through setting up glass pipe fluviograph, the inside water level condition of water heater can be shown.
6. The safety of hot water supply is ensured by arranging the grounding wire on the water outlet pipe.
Drawings
Fig. 1 is an internal structural view of an embodiment of the present invention.
Fig. 2 is a sectional view taken along a-a of fig. 1.
Fig. 3 is a sectional view taken along the direction B-B in fig. 1.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
Fig. 1 to 3 show an embodiment of the present invention, and as shown in the figures, a pre-instant dual-mode electric water heater includes a water storage tank, an instant heating device, and an intermittent water supply device, wherein a water inlet of the instant heating device is connected to a water source, a water outlet of the instant heating device is disposed at the top of an inner cavity of the water storage tank, the intermittent water supply device is disposed right below the water outlet of the instant heating device, the intermittent water supply device includes a water receiver 7, the water receiver 7 is mounted on a support 9 through a rotating shaft 8, and the support 9 is connected to an inner wall of the water storage tank; when no water exists in the water receiver 7, the gravity center of the water receiver 7 is positioned below the rotating shaft 8; when the water receiver 7 is filled with water, the moment of the part of the water receiver 7 above the rotating shaft 8 is larger than the moment of the part of the water receiver 7 below the rotating shaft 8.
When the instant heating water supply device works, tap water flows into the intermittent water supply device after being heated by the instant heating device and finally flows into the water storage tank to be used as preheating water, namely, a certain amount of water is heated in an instant heating mode to realize the preheating function, so that the function of a preheating mode and a double mode are realized by only one heating pipe.
The electric water heater can generate electricity because the continuously flowing water plays a role of conducting current when electric leakage occurs, and if the continuously flowing water supply is changed into the intermittent water supply, the safety of the water heater is certainly and greatly enhanced. Based on the principle, the water heater adopts an intermittent water supply device, namely hot water of the heating device enters the water receiver 7, and when the water receiver 7 is full of water, the water receiver is inclined to dump the hot water in the water storage tank 20. Then, the water receiver 7 automatically searches for a plumb line under the action of the gravity center, returns to the position of the plumb line, and receives hot water from the hot water outlet again, and the process is repeated, so that intermittent supplement of the hot water is realized, and the use safety is ensured. The water heater adopts the intermittent water supply device, so that the use safety of the water heater is greatly enhanced.
The water heater has the advantages of simple structure, low manufacturing cost, safety, reliability and good energy-saving effect.
When no water exists in the water receiver 7, the gravity center of the water receiver 7 is positioned below the rotating shaft 8; when the water receiver 7 is filled with water, the moment of the part of the water receiver 7 above the rotating shaft 8 is larger than the moment of the part of the water receiver 7 below the rotating shaft 8. When the whole water receiver 7 is filled with water, the head is heavy and the feet are light, the whole container is easy to deviate from a plumb line, and the water is completely discharged after the container is overturned. Then the water receiver 7 automatically searches for the plumb line under the action of the gravity center, and water is injected again to repeat the process. Therefore, the intermittent water supply device can automatically topple when being filled with water and automatically return to the plumb position after toppling.
The water storage tank comprises a shell 18, a heat insulation material 19 and an inner container 20, wherein the heat insulation material 19 is arranged between the shell 18 and the inner container 20.
The instant heating device comprises a controller, a water inlet pipe 21, a heating pipe 4 and a water outlet pipe 6, wherein one end of the water inlet pipe 21 is connected with a water source, the other end of the water inlet pipe is connected with a water inlet of the heating pipe 4, the water outlet pipe 6 is connected with a water outlet of the heating pipe 4, a heating wire 5 is arranged in the heating pipe 4, the heating wire 5 is connected with an electric leakage protection switch 3, the electric leakage protection switch 3 is connected with a power supply through a relay, a control port of the relay is connected with the controller, the heating pipe 4 is U-shaped, and two ports of the heating pipe 4 are located outside a water storage tank. The two ports through setting up heating pipe 4 are located the storage water tank outside, if heater strip 5 damages appears, change the heater strip again and can make the water heater normal work once more, it is convenient to change.
And a water flow switch 2 is arranged on the water inlet pipe 21, and the water flow switch 2 is connected with a controller. Through setting up rivers switch 2, can detect whether have rivers in the inlet tube 21, guaranteed that heater strip 5 just switches on when having water, outage when anhydrous to when having avoided the outage, heater strip 5's dry combustion method.
Still be provided with electronic water supply valve 1 on the inlet tube 21, the instant heating device still includes start button, stop button, electronic water supply valve 1 connection director. When a starting button is pressed, the water heater starts to work, the electric water supply valve 1 is opened, the heating wire 5 is electrified to start to work, the electric water supply valve 1 is linked with the heating wire 5, and when the heating wire 5 supplies power to work, the electric water supply valve 1 is opened; when the heating wire 5 is powered off and does not work, the electric water feeding valve 1 is closed.
The top of the water storage tank is provided with a vent pipe 17, and the vent pipe 17 is communicated with the inner cavity of the water storage tank and the external atmosphere. Through setting up breather pipe 17, ensured that the water heater is the normal pressure formula, improved the security.
The water storage tank is also provided with a glass tube water level meter 12, a high water limit level line 11 and a low water limit level line 14 are marked on the glass tube water level meter 12, a high water limit level sensor 10 and a low water limit level sensor 13 are respectively arranged in the water storage tank at positions corresponding to the high water limit level line 11 and the low water limit level line 14, and the high water limit level sensor 10 and the low water limit level sensor 13 are connected with a controller. By arranging the glass tube water level gauge 12, the water level condition inside the water heater can be displayed. When the water level in the water storage tank reaches the low limit water level, bathing can be carried out, when the water level in the water storage tank is lower than the high limit water level line 11, the heating pipe 4 continuously works to continuously supplement hot water to ensure continuous bathing, and when the water level in the water storage tank reaches the high limit water level line 11, the high limit water level sensor 10 transmits a signal to the controller, the controller closes the tap water electric water supply valve 1, and meanwhile, the power supply of the heating wire 5 is cut off.
The bottom of the water storage tank is provided with a hot water pipe 16, the hot water pipe 16 is provided with a water outlet control valve 15, and the hot water pipe 16 is connected with a water mixing valve. Through the water mixing valve, the hot water pipe 16 is mixed with tap water to reach a proper bathing water temperature for a bather, and the water outlet control valve 15 is closed when hot water is not used.
And the water outlet pipe 6 is provided with a grounding wire. The safety of hot water supply is ensured by arranging the grounding wire on the water outlet pipe 6.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and various modifications and variations which do not require inventive efforts and which are made by those skilled in the art are within the scope of the present invention.
Claims (5)
1. A pre-instant double-mode electric water heater is characterized in that: the water heater comprises a water storage tank, an instant heating device and an intermittent water supply device, wherein a water inlet of the instant heating device is connected with a water source, a water outlet of the instant heating device is arranged at the top of an inner cavity of the water storage tank, the intermittent water supply device is arranged right below the water outlet of the instant heating device and comprises a water receiver (7), the water receiver (7) is arranged on a support (9) through a rotating shaft (8), and the support (9) is connected with the inner wall of the water storage tank; when no water exists in the water receiver (7), the gravity center of the water receiver (7) is positioned below the rotating shaft (8); when the water receiver (7) is filled with water, the moment of the part of the water receiver (7) above the rotating shaft (8) is greater than the moment of the part of the water receiver (7) below the rotating shaft (8); the instant heating device comprises a controller, a water inlet pipe (21), a heating pipe (4) and a water outlet pipe (6), wherein one end of the water inlet pipe (21) is connected with a water source, the other end of the water inlet pipe is connected with a water inlet of the heating pipe (4), a water outlet of the heating pipe (4) is connected with the water outlet pipe (6), a heating wire (5) is arranged in the heating pipe (4), the heating wire (5) is connected with a leakage protection switch (3), the leakage protection switch (3) is connected with a power supply through a relay, a control port of the relay is connected with the controller, the heating pipe (4) is U-shaped, and two ports of the heating pipe (4) are positioned outside a water storage tank; hot water of the instant heating device enters the water receiver (7), when the water receiver (7) is full of water, the water receiver (7) tilts to dump the hot water in the water storage tank, then the water receiver (7) automatically searches for a plumb line under the action of the gravity center, returns to the position of the plumb line and receives the hot water from the hot water outlet again; a water flow switch (2) is arranged on the water inlet pipe (21), and the water flow switch (2) is connected with a controller; the instant heating device comprises a water inlet pipe (21), an electric water supply valve (1), a starting button and a stopping button, wherein the starting button, the stopping button and the electric water supply valve (1) are connected with a controller; the bottom of the water storage tank is provided with a hot water pipe (16), the hot water pipe (16) is provided with a water outlet control valve (15), and the hot water pipe (16) is connected with a water mixing valve.
2. The pre-instant double-mode electric water heater as claimed in claim 1, wherein the water storage tank comprises a shell (18), a thermal insulation material (19) and a liner (20), and the thermal insulation material (19) is arranged between the shell (18) and the liner (20).
3. The pre-instant double-mode electric water heater as claimed in claim 1, wherein a vent pipe (17) is provided on the top of the water storage tank, the vent pipe (17) communicating the inner cavity of the water storage tank with the outside atmosphere.
4. The pre-instant dual-mode electric water heater as claimed in claim 1, wherein the water storage tank is further provided with a glass tube water level gauge (12), the glass tube water level gauge (12) is marked with a high water limit line (11) and a low water limit line (14), the positions in the water storage tank corresponding to the high water limit line (11) and the low water limit line (14) are respectively provided with a high water limit sensor (10) and a low water limit sensor (13), and the high water limit sensor (10) and the low water limit sensor (13) are connected with the controller.
5. A pre-instant dual-mode electric water heater as claimed in claim 1, wherein the water outlet pipe (6) is provided with a grounding wire.
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| CN201711435805.9A CN108168087B (en) | 2017-12-26 | 2017-12-26 | Pre-instant double-mode electric water heater |
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| CN201711435805.9A CN108168087B (en) | 2017-12-26 | 2017-12-26 | Pre-instant double-mode electric water heater |
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| CN108168087B true CN108168087B (en) | 2022-05-13 |
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| CN108168087A (en) | 2018-06-15 |
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