CN215113222U - Hot water supply device - Google Patents

Abstract

The utility model provides a hot water supply device, include: a first inner container; the second inner container is positioned above the first inner container and communicated with the first inner container; at least one heating unit for heating water within the hot water supply device; and the convection reinforcing structure can enhance the convection of the water in the first inner container and the water in the second inner container. The utility model discloses a hot water supply device through the design of convection current additional strengthening, has solved that an inner bag needs the not limit of one set of heating unit, not only the cost is reduced, has improved hot water supply device's heat transfer effect moreover.

Description

Hot water supply device

Technical Field

The utility model relates to a water heater technical field especially relates to a hot water supply device.

Background

Current water heater is the mosaic structure of two inner bags usually, and in order to increase the hot water supply volume, prior art takes the mode that increases inner bag quantity to realize, but increases the water heater behind the inner bag quantity, because every inner bag all need be provided with independent heating unit and safety protection unit, and the cost is higher. In addition, the whole structure of the existing water heater is large, and the volume of the whole water heater is inevitably large along with the increase of the number of the inner containers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hot water supply device, through the design of convection current additional strengthening, solved that an inner bag needs the not limit of one set of heating unit, not only the cost is reduced has improved hot water supply device's heat transfer effect moreover.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a hot water supply device, it includes:

a first inner container;

the second inner container is positioned above the first inner container and communicated with the first inner container;

at least one heating unit for heating water within the hot water supply device;

and the convection reinforcing structure can enhance the convection of the water in the first inner container and the water in the second inner container.

The utility model discloses an in the embodiment, first inner bag with be formed with first passageway and second passageway between the second inner bag, the convection current additional strengthening includes that at least part is located first water conservancy diversion spare in the second inner bag, first water conservancy diversion spare with first passageway communicates with each other.

The convection enhancement structure of the present invention further comprises a second diversion member at least partially disposed in the first inner container, wherein the second diversion member is communicated with the second channel.

The utility model discloses an in the embodiment, first inner bag with be formed with first passageway and second passageway between the second inner bag, the convection current additional strengthening includes that at least part is located second water conservancy diversion spare in the first inner bag, second water conservancy diversion spare with the second passageway communicates with each other.

In an embodiment of the present invention, along a length direction of the first inner container and/or the second inner container, the first channel and the second channel are respectively close to an end portion of the first inner container and/or the second inner container.

The utility model discloses an in the embodiment, first water conservancy diversion spare is first honeycomb duct, first honeycomb duct includes import and export, first honeycomb duct is configured into the water temperature of import is higher than the water temperature of export.

The utility model discloses an in the embodiment, the export of first honeycomb duct is located in the second inner bag, the import setting of first honeycomb duct is in the first inner bag, perhaps, the import setting of first honeycomb duct is in the first passageway, perhaps, the import of first honeycomb duct with the upper portion of first passageway docks mutually.

The utility model discloses an in the embodiment, second water conservancy diversion spare is the second honeycomb duct, the second honeycomb duct includes import and export, the export of second honeycomb duct is located in the first inner bag, the import of second honeycomb duct is located in the second inner bag, perhaps, the import of second honeycomb duct is located in the second passageway, perhaps, the import of second honeycomb duct with the lower part of second passageway docks mutually.

In an embodiment of the present invention, the outer diameter of the first flow guide pipe is smaller than the inner diameter of the first passage.

In an embodiment of the present invention, the outer diameter of the second flow guide pipe is smaller than the inner diameter of the second passage.

The utility model discloses an in the embodiment, first inner bag with be formed with first passageway and second passageway between the second inner bag, convection current additional strengthening is including setting up first backstop board in the first inner bag, first backstop board is located first passageway with between the second passageway.

In an embodiment of the present invention, the convection reinforcement structure further includes a second stop plate disposed in the second inner container, and the second stop plate is located between the first channel and the second channel.

The utility model discloses an in the embodiment, first inner bag with be formed with first passageway and second passageway between the second inner bag, convection current additional strengthening is including setting up second backstop board in the second inner bag, the second backstop board is located first passageway with between the second passageway.

In an embodiment of the present invention, the at least one heating unit is at least one electrical heating rod disposed in the first inner container, and a distance between a center of the electrical heating rod and a center of the first channel is smaller than a distance between a center of the electrical heating rod and a center of the second channel.

In an embodiment of the present invention, the electric heating rod is disposed on the first inner container near an end of the first channel, and extends from the end to the inside of the first inner container.

In an embodiment of the present invention, the hot water supply device includes a water inlet pipe and a water outlet pipe, the water inlet pipe is disposed on the first inner container and extends into the first inner container from a lower portion of the first inner container; the water outlet pipe is arranged on the first inner container and extends into the second inner container from the lower part of the first inner container.

The utility model discloses an in the embodiment, first water conservancy diversion spare is first honeycomb duct, first honeycomb duct is connected on the inlet tube.

The utility model discloses an in the embodiment, the inlet tube has can stretch into extension in the first passageway, first honeycomb duct cup joints on the extension just the both ends of first honeycomb duct are spot welding respectively and are connected the outer wall of extension.

The utility model discloses an in the embodiment, second water conservancy diversion spare is the second honeycomb duct, the second honeycomb duct cup joints on the outlet pipe.

The utility model discloses an in the embodiment, the both ends difference spot welding of second honeycomb duct is in the outer wall of outlet pipe.

The utility model discloses an in the embodiment, the inlet tube with first passageway sets up relatively, the outlet pipe with the second passageway sets up relatively, at least one heating unit is for setting up at least one electrical heating rod in the first inner bag, at least one electrical heating rod sets up be close to on the first inner bag the one end of inlet tube.

The utility model discloses an in the embodiment, first inner bag with be equipped with single intercommunication passageway between the second inner bag, convection current additional strengthening is including setting up first backstop board in the first inner bag is in with the setting second backstop board in the second inner bag, first backstop board with the second backstop board has connecting portion, connecting portion pass single intercommunication passageway, first backstop board with the second backstop board with single intercommunication passageway sets up relatively.

The utility model discloses an in the embodiment, first inner bag with be equipped with single intercommunication passageway between the second inner bag, the convection current additional strengthening includes that at least part is located first water conservancy diversion spare in the second inner bag and at least part are located second water conservancy diversion spare in the first inner bag, first water conservancy diversion spare with second water conservancy diversion spare is relative single intercommunication passageway sets up in a staggered manner.

In an embodiment of the present invention, the hot water supply device includes a water inlet pipe and a water outlet pipe, the water inlet pipe is disposed on the first inner container and extends into the first inner container from a lower portion of the first inner container; the water outlet pipe is arranged on the first inner container and extends into the second inner container from the lower part of the first inner container through the single communication channel.

The utility model discloses an in the embodiment, first water conservancy diversion spare is first honeycomb duct, second water conservancy diversion spare is the second honeycomb duct, first honeycomb duct connection is in on the outlet pipe, the second honeycomb duct connection is in on the first honeycomb duct.

The utility model discloses an in the embodiment, first honeycomb duct cup joints just on the outlet pipe the both ends difference spot welding of first honeycomb duct is in the outer wall of outlet pipe, the upper portion spot welding of second honeycomb duct is in the lower part outer wall of first honeycomb duct.

The utility model discloses an in the embodiment, first water conservancy diversion spare is first honeycomb duct, second water conservancy diversion spare is the second honeycomb duct, the second honeycomb duct is connected on the outlet pipe, first honeycomb duct connection be in on the second honeycomb duct.

The utility model discloses an in the embodiment, the second honeycomb duct cup joints just on the outlet pipe the both ends difference spot welding of second honeycomb duct is in the outer wall of outlet pipe, the lower part spot welding of first honeycomb duct is in the upper portion outer wall of second honeycomb duct.

In an embodiment of the present invention, the at least one heating unit is at least one electrical heating rod disposed in the first inner container, the electrical heating rod is disposed in the first inner container and close to the end of the first diversion member, and extends from the end to the center of the first inner container.

The utility model discloses a characteristics and advantage are:

the utility model discloses a hot water supply device, through the design of convection current additional strengthening, can not only improve the convection current heat transfer efficiency between the water in the first inner bag and the water in the second inner bag, can select to set up the heating unit in first inner bag and/or second inner bag moreover, broken through among the prior art that an inner bag needs the fettler design conception of a set of heating unit, when reducing production cost, improved the heat transfer effect of hot water supply device, and make this hot water supply device provide the basis towards miniaturization, frivolous design; in addition, because of cold, hot water density difference, in the inner bag of water heater, cold water density can have the trend of decline greatly, and hot water density presents the trend of rising for cold, hot water form the state of natural convection current, the utility model discloses a convection current additional strengthening is through setting up the special decline of cold, hot water, ascending channel, and the external disturbance of reducible convection current process is showing the reinforcing convection current effect.

Two, the utility model discloses a hot water supply device, with the heating unit setting in first inner bag and the distance of relative second passageway more be close to first passageway setting, can make the temperature of the water that is close to first passageway department in the first inner bag higher relatively, do benefit to the water of first inner bag and the water of second inner bag and flow via the convection current of first passageway, improve the water of first inner bag and the water of second inner bag at the water conservancy diversion speed under the effect of convection current additional strengthening for hot water supply device's heat transfer effect.

Third, the utility model discloses a hot water supply device, this first honeycomb duct and second honeycomb duct all are configured as the water temperature that its imported water temperature is higher than the export, utilize the temperature difference of the water of first inner bag and the water of second inner bag to can realize the water conservancy diversion between first inner bag and the second inner bag smoothly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first embodiment of a hot water supply apparatus according to the present invention.

Fig. 2 is a schematic structural view of a second example of the first embodiment of the hot water supply apparatus according to the present invention.

Fig. 3 is a schematic structural diagram of a third example of the first embodiment of the hot water supply apparatus according to the present invention.

Fig. 4 is a schematic view of a first structure of the arrangement positions of the first flow guide pipe and the first passage of the hot water supply apparatus according to the present invention.

Fig. 5 is a schematic diagram of a second structure of the arrangement positions of the first flow guide pipe and the first passage of the hot water supply device according to the present invention.

Fig. 6 is a schematic view of a third structure of the arrangement positions of the first flow guide pipe and the first passage of the hot water supply apparatus according to the present invention.

Fig. 7 is a schematic view of a first structure of the arrangement positions of the second flow guide pipe and the second passage of the hot water supply apparatus according to the present invention.

Fig. 8 is a schematic diagram of a second structure of the position where the second flow guide pipe and the second passage of the hot water supply apparatus according to the present invention are disposed.

Fig. 9 is a schematic view of a third structure of the position where the second guide pipe and the second passage of the hot water supply apparatus according to the present invention are disposed.

Fig. 10 is a schematic structural view of a first example of a hot water supply device according to a second embodiment of the present invention.

Fig. 11 is a schematic structural view of a second example of the second embodiment of the hot water supply apparatus according to the present invention.

Fig. 12 is a perspective view schematically illustrating a second example of a hot water supply device according to a second embodiment of the present invention.

Fig. 13 is a schematic structural view of a third example of the second embodiment of the hot water supply apparatus according to the present invention.

Fig. 14 is a schematic structural view illustrating a connection between a water inlet pipe and a first guide member of the hot water supply device according to the present invention.

Fig. 15 is a schematic structural view of the connection between the outlet pipe of the hot water supply device and the second diversion member according to the present invention.

Fig. 16 is a schematic structural view of a first example of a third embodiment of a hot water supply apparatus according to the present invention.

Fig. 17 is a perspective view schematically illustrating a first example of a third embodiment of a hot water supply apparatus according to the present invention.

Fig. 18 is a schematic structural view of a first example of a fourth embodiment of a hot water supply apparatus according to the present invention.

Fig. 19 is a perspective view illustrating a connection structure of a water outlet pipe, a first guide member and a second guide member according to a first embodiment of a hot water supply apparatus of the present invention.

Fig. 20 is a schematic configuration diagram of a fifth embodiment of the hot water supply apparatus according to the present invention.

Reference numerals and description:

1. a first inner container; 11. a first channel; 12. a second channel; 13. a first region; 14. a second region; 15. A third region; 16. a fourth region; 17. a single communication channel; 18. a third channel; 19. a fourth channel; 2. a second inner container; 3. a heating unit; 4. a convection enhancing structure; 41. a first flow guide member; 411. an inlet; 412. an outlet; 413. an end portion; 42. a second flow guide member; 421. an inlet; 422. an outlet; 423. an end portion; 43. a first stopper plate; 44. a second stopper plate; 45. a connecting portion; 5. a water inlet pipe; 51. an extension pipe; 6. a water outlet pipe; 7. a third inner container; 8. a convection enhancing structure; 81. a third flow guide member; 82. a fourth flow guide member; f1, length direction; f2, height direction.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no order is shown between the two, and no indication or suggestion of relative importance is understood. In addition, in the description of the present invention, "at least one" means one or more than one, and "a plurality" means two or more than two, unless otherwise specified. By using the term "may" herein, it is intended to indicate that any of the described attributes that "may" include are optional.

As shown in fig. 1 to 3, the present invention provides a hot water supply device, which comprises a first inner container 1, a second inner container 2, at least one heating unit 3, and a convection reinforcement structure 4, wherein: the second inner container 2 is positioned above the first inner container 1 and communicated with the first inner container 1; at least one heating unit 3 for heating water in the hot water supply device; the convection reinforcement structure 4 can enhance convection of water in the first liner 1 and water in the second liner 2.

Specifically, the first liner 1 and the second liner 2 are transversely placed liners, that is, the horizontal length of the liners is greater than the height of the liners; the hot water supply device has at least one heating unit 3, that is, the heating unit 3 may be disposed in the first inner container 1, or in the second inner container 2, or may be disposed in both the first inner container 1 and the second inner container 2, which is not limited herein. The convection reinforcement structure 4 is used to reinforce the convection flow of the water in the first inner container 1 and the water in the second inner container 2, so that the water in the hot water supply device is accelerated to be convected, thereby improving the heat exchange effect.

The utility model discloses a hot water supply device can not only improve the convection heat transfer efficiency between the water in the first inner bag 1 and the water in the second inner bag 2, can select to set up heating unit 3 in first inner bag 1 and/or second inner bag 2 in addition, broken through among the prior art inner bag and need the shackle of one set of heating unit to articulate the design concept, in reduction in production cost, hot water supply device's heat transfer effect has been improved, and make this hot water supply device orientation miniaturized, the design of frivolous type provides the basis. In addition, because of cold, hot water density difference, in hot water supply device's inner bag, cold water density can have the trend of decline greatly, and hot water density shows the trend of rising for cold, hot water form the state of natural convection current, the utility model discloses a convection current additional strengthening 4 through set up cold, the special decline of hot water, the ascending passageway in the inner bag, reducible cold, hot water convection current external disturbance in-process is showing reinforcing convection current effect.

According to an embodiment of the present invention, as shown in fig. 1, a first channel 11 and a second channel 12 are formed between the first inner container 1 and the second inner container 2, the convection reinforcement structure 4 includes a first flow guiding member 41 at least partially located in the second inner container 2, and the first flow guiding member 41 is communicated with the first channel 11.

The utility model discloses in, along the length direction F1 of first inner bag 1 and/or second inner bag 2, this first passageway 11 and second passageway 12 are close to the tip setting of first inner bag 1 and/or second inner bag 2 respectively to but the at utmost realization carries out the convection current with the water in the first inner bag 1 and the second inner bag 2 and flows, avoid being located the water of first inner bag 1 tip and the water that is located the 2 tip of second inner bag to appear keeping in or the slow condition emergence of convection current, and influence hot water supply device's whole heat exchange efficiency.

Specifically, in this embodiment, the first guiding member 41 is a first guiding pipe, which is a tubular body and is configured to communicate with the first channel 11, so as to guide the water in the first inner container 1 to the second inner container 2, and the first guiding pipe includes an inlet 411 and an outlet 412.

The inventors have found that the water in the horizontally-placed inner tank exhibits multiple temperature stratification in the height direction of the inner tank, for example, in the case where the water in the hot water supply device does not flow convectively, the temperatures of the water in the first inner tank 1 and the water in the second inner tank 2 are gradually lowered from bottom to top, and when the heating unit 3 is provided in the first inner tank 1 and the heating unit 3 is not provided in the second inner tank 2, the average temperature of the water in the second inner tank 2 is lower than the average temperature of the water in the first inner tank 1. However, since the water in the inner container has a plurality of temperature layers, the temperature of the water body in the middle and upper portions of the first inner container 1 is generally higher than that in the middle and upper portions of the second inner container 2.

When the heating unit 3 is disposed in the first inner container 1, the first flow guiding pipe provides an ascending channel for the hot water in the first inner container 1 to ascend to the second inner container 2, the second channel 12 provides a descending channel for the cold water in the second inner container 2 to descend to the first inner container 1, and the arrangement of the first flow guiding member 41 can reduce the external interference in the process of the hot water ascending from the first inner container 1 to the second inner container 2 in the convection process of the ambient cold and hot water, thereby significantly enhancing the convection effect between the first inner container 1 and the second inner container 2.

In order to smoothly realize the water diversion between the first inner container 1 and the second inner container 2, in this embodiment, the first diversion pipe is configured such that the water temperature of the inlet 411 is higher than that of the outlet 412.

In a possible embodiment, as shown in fig. 4, the first duct is inserted in the first passage 11, the outlet 412 of the first duct is located in the second liner 2, and the inlet 411 of the first duct is located in the first liner 1.

In another possible embodiment, as shown in fig. 5, the outlet 412 of the first duct is located inside the second liner 2, and the inlet 411 of the first duct is arranged inside the first passage 11.

In yet another possible embodiment, as shown in fig. 6, the outlet 412 of the first duct is located inside the second liner 2, and the inlet 411 of the first duct is butted against the upper portion of the first passage 11.

In this embodiment, water in the first inner bag 1 is guided to the second inner bag 2 through the first guiding piece 21, and the water is mixed the back in the second inner bag 2, flows back to in the first inner bag 1 from the second passageway 12, the utility model discloses utilize the temperature difference of the water of the first inner bag 1 and the water of the second inner bag 2 to through setting up first guiding piece 41, increased the convection current velocity of flow of the water between first inner bag 1 and the second inner bag 2, improved hot water supply device's heat exchange efficiency.

According to another embodiment of the present invention, as shown in fig. 2, different from the embodiment of fig. 1, is that: the convection reinforcement structure 4 further comprises a second flow guiding member 42 at least partially positioned in the first liner 1, the second flow guiding member 42 being in communication with the second channel 12.

Specifically, the second guiding element 42 is a second guiding tube, and the second guiding tube includes an inlet 421 and an outlet 422. In this embodiment, when the heating unit 3 is disposed in the first inner container 1, the first flow guiding pipe provides an ascending channel for the hot water in the first inner container 1 to ascend to the second inner container 2, the second flow guiding pipe provides a descending channel for the cold water in the second inner container 2 to descend to the first inner container 1, and the first flow guiding member 41 and the second flow guiding member 42 are cooperatively disposed to reduce external interference in the cold and hot water convection processes around the hot water when the hot water ascends from the first inner container 1 to the second inner container 2 and the cold water descends from the second inner container 2 to the first inner container 1, thereby significantly enhancing the convection effect between the first inner container 1 and the second inner container 2.

Similar to the principle of the arrangement position of the first flow-guiding pipe, in order to smoothly realize the flow-guiding function, in a possible embodiment, as shown in fig. 7, the second flow-guiding pipe is inserted into the second channel 12, the outlet 422 of the second flow-guiding pipe is located in the first inner container 1, and the inlet 421 of the second flow-guiding pipe is located in the second inner container 2.

In another possible embodiment, as shown in fig. 8, the outlet 422 of the second duct is located inside the first liner 1, and the inlet 421 of the second duct is located inside the second channel 12.

In yet another possible embodiment, as shown in fig. 9, the outlet 422 of the second duct is located in the first liner 1, and the inlet 421 of the second duct is butted against the lower portion of the second channel 12.

In this embodiment, water in the first inner bag 1 is guided to the second inner bag 2 through first guiding part 41, and the water mixes the back in the second inner bag 2, flows back to first inner bag 1 via second guiding part 42, the utility model discloses utilize the temperature difference of the water of first inner bag 1 and second inner bag 2 to through setting up first guiding part 41 and second guiding part 42, increased the convection current velocity of water between first inner bag 1 and the second inner bag 2, improved hot water supply device's heat exchange efficiency.

According to still another embodiment of the present invention, as shown in fig. 3, a first passage 11 and a second passage 12 are formed between the first liner 1 and the second liner 2, and the embodiment of the present invention is different from the embodiment of fig. 1 and 2 in that: in this embodiment, the convection reinforcement structure 4 includes a second baffle member 42 at least partially disposed in the first liner 1, and the second baffle member 42 is in communication with the second channel 12. In this embodiment, the positions of the first channel 11 and the second channel 12, and the positions of the structure of the second flow guide member 42 and the inlet 421 and the outlet 422 thereof in the first liner 1 and the second liner 2 are the same as those of the above embodiment, and are not described again.

In this embodiment, when the heating unit 3 is arranged in the first inner container 1, the water in the first inner container 1 is guided to the second inner container 2 through the first channel 11, the first channel 11 provides an ascending channel for the hot water in the first inner container 1 to ascend to the second inner container 2, and the water is guided to the first inner container 1 from the second guide member 42 after being mixed in the second inner container 2, the utility model discloses utilize the temperature difference between the water in the first inner container 1 and the water in the second inner container 2, and through arranging the second guide member 42, provide a descending channel for the cold water in the second inner container 2 to descend to the first inner container 1, reduce the external interference in the processes of the cold and hot water convection around the cold water, remarkably enhance the convection effect between the first inner container 1 and the second inner container 2, and improve the heat exchange efficiency of the hot water supply device.

In the present invention, in the embodiment of fig. 1 to 3, the outer diameter of the first draft tube is smaller than the inner diameter of the first passage 11; the outer diameter of the second duct is smaller than the inner diameter of the second channel 12. By adopting the structural design, the water in the first inner container 1 can be more smoothly guided into the second inner container 2 along the first flow guide pipe, and the water in the second inner container 2 can more smoothly flow back to the first inner container 1 along the second flow guide pipe.

According to an embodiment of the present invention, as shown in fig. 10, a first channel 11 and a second channel 12 are formed between the first inner container 1 and the second inner container 2, the convection reinforcement structure 4 includes a first stop plate 43 disposed in the first inner container 1, and the first stop plate 43 is located between the first channel 11 and the second channel 12.

The utility model discloses in, along the length direction F1 of first inner bag 1 and/or second inner bag 2, this first passageway 11 and second passageway 12 are close to the tip setting of first inner bag 1 and/or second inner bag 2 respectively to but the at utmost realization carries out the convection current with the water in the first inner bag 1 and the second inner bag 2 and flows, avoid being located the water of first inner bag 1 tip and the water that is located the 2 tip of second inner bag to appear keeping in or the slow condition emergence of convection current, and influence hot water supply device's whole heat exchange efficiency.

Specifically, in this embodiment, the first stopper plate 43 is a flat plate substantially matching with the inner top surface of the first liner 1 and having an arc-shaped outer edge, the first stopper plate 43 is vertically disposed in the first liner 1 along the height direction F2 of the first liner 1 and connected to the inner top wall of the first liner 1, the lower portion thereof has a certain flow space with the inner bottom wall of the first liner 1 so as to facilitate the convection flow of the water, the first stopper plate 43 divides the first liner 1 into a first area 13 and a second area 14 on both sides thereof, the first passage 11 communicates with the first area 13, the second passage 12 communicates with the second area 14, the first stopper plate 43 forms a barrier wall to realize the overall division of the temperature of the water in the first liner 1 into a first area 13 and a second area 14 at different temperatures on both sides of the first stopper plate 43, the temperature of the water in the first area 13 or the second area 14 in which the heating unit 3 is disposed in the first liner 1 may be relatively higher than the other area, thereby increasing the temperature difference between the water in the first inner container 1 and the water in the second inner container 2 and accelerating the convection flow of the water in the first inner container 1 and the water in the second inner container 2. In the present embodiment, by the design of the first stopper plate 43, a descending region and an ascending region dedicated to cold and hot water are formed in the first inner container 1, so that external interference in the convection process of cold and hot water can be reduced, and the convection effect can be significantly enhanced.

According to another embodiment of the present invention, as shown in fig. 11 and 12, different from the embodiment of fig. 10, are: the convection reinforcement structure 4 further includes a second stopper plate 44 disposed in the second liner 2, the second stopper plate 44 being located between the first passage 11 and the second passage 12.

Specifically, the second stop plate 44 is a flat plate substantially matching with the inner bottom surface of the second inner container 2 and having an arc-shaped outer edge, the second stopper plate 44 is vertically disposed in the second liner 2 in a height direction F2 of the second liner 2 and connected to an inner bottom wall of the second liner 2, the upper part of the second inner container 2 and the inner top wall of the second inner container have certain overflowing space so as to facilitate the convection flow of water, the second stopper plate 44 divides the second liner 2 into a third region 15 and a fourth region 16 on both sides thereof, the first passage 11 communicates with the third region 15, the second passage 12 communicates with the fourth region 16, the second blocking plate 44 forms a blocking wall, which realizes that the temperature of the water in the second inner container 2 is wholly divided into different temperatures at two sides of the second blocking plate 44, so as to accelerate the convection flow of the water in the first inner container 1 and the water in the second inner container 2. In the present embodiment, through the design of the first and second stopper plates 43 and 44, a descending region and an ascending region dedicated to cold and hot water are respectively formed in the first and second inner containers 1 and 2, so that external interference in the convection process of cold and hot water can be reduced, and the convection effect can be significantly enhanced.

According to another embodiment of the present invention, the following points are different from the embodiments of fig. 10 to 12: in this embodiment, the convection reinforcement structure 4 includes a second stopper plate 44 provided in the second liner 2, the second stopper plate 44 being located between the first passage 11 and the second passage 12. Regarding the arrangement positions of the first channel 11 and the second channel 12, the structure of the second stopper plate 44 and the flow guiding principle thereof are the same as those of the above embodiment, and are not described herein again, as shown in fig. 13. In the present embodiment, by the design of the second stopper plate 44, a descending region and an ascending region dedicated to cold and hot water are formed in the second inner container 2, so that external interference in the convection process of cold and hot water can be reduced, and the convection effect can be significantly enhanced.

According to an embodiment of the present invention, the at least one heating unit 3 is at least one electrical heating rod disposed in the first inner container 1, and the distance between the center of the electrical heating rod and the center of the first channel 11 is smaller than the distance between the center of the electrical heating rod and the center of the second channel 12.

The utility model discloses in, in the embodiment of fig. 1 to fig. 3, and fig. 10 to fig. 13, set up the electric heating rod in first inner bag 1 and the distance of second passageway 12 is more close to first passageway 11 setting, can make the temperature of the water that is close to first passageway 11 department in first inner bag 1 higher relatively, do benefit to the water of first inner bag 1 and the water of second inner bag 2 and flow through the convection current of first passageway 11, improve the water of first inner bag 1 and the water of second inner bag 2 water diversion speed under the effect of convection current additional strengthening 4 for hot water supply device's heat transfer effect.

Specifically, the electric heating rod is disposed at an end portion of the first liner 1 close to the first passage 11, and extends from the end portion to the inside of the first liner. Of course, in other embodiments, the position of the electric heating rod in the first inner container 1 can be adjusted as required, as long as the distance between the electric heating rod and the second channel 12 is ensured to be larger than the distance between the electric heating rod and the first channel 11.

According to one embodiment of the present invention, the hot water supply device comprises a water inlet pipe 5 and a water outlet pipe 6, wherein the water inlet pipe 5 is arranged on the first inner container 1 and extends into the first inner container 1 from the lower part of the first inner container 1; the water outlet pipe 6 is disposed on the first inner container 1 and extends from the lower portion of the first inner container 1 into the second inner container 2, as shown in fig. 1 to 3 and 10 to 13.

Specifically, the water inlet pipe 5 is arranged opposite to the first channel 11 and is used for supplying inlet water into the hot water supply device, and the water outlet pipe 6 is arranged opposite to the second channel 12 and is used for guiding water in the hot water supply device out of the hot water supply device; in this embodiment, at least one heating unit 3 that sets up in first inner bag 1 is the electrical heating rod, this electrical heating rod sets up on first inner bag 1 and is close to the one end of inlet tube 5, because this inlet tube 5 sets up with first passageway 11 relatively, consequently, this electrical heating rod sets up the tip near inlet tube 5, not only can heat the intaking that lets in first inner bag 1 fast, improve the temperature of intaking, on the other hand, also can increase the temperature of the water in first inner bag 1 that is close to first passageway 11 department relatively, the realization is with higher speed the water of first inner bag 1 and is through the effect that the water conservancy diversion of first passageway 11 with the water of second inner bag 2 flows.

In the embodiment of fig. 1, 2, 4 and 5, the first duct may be connected to the inlet duct 5. Specifically, as shown in fig. 14, the inlet pipe 5 has an extension pipe 51 that can be inserted into the first passage 11, the first flow tube is fitted around the extension pipe 51, and both ends 413 of the first flow tube are spot-welded to the outer wall of the extension pipe 51.

In the embodiments of fig. 2, 3, and 7 and 8, the second draft tube is sleeved on the outlet pipe 6. Specifically, as shown in fig. 15, both ends 423 of the second flow guide pipe are spot-welded to the outer wall of the water outlet pipe 6.

According to an embodiment of the present invention, as shown in fig. 16 and 17, a single communication channel 17 is provided between the first inner container 1 and the second inner container 2, the convection reinforcement structure 4 includes a first stop plate 43 disposed in the first inner container 1 and a second stop plate 44 disposed in the second inner container 2, the first stop plate 43 and the second stop plate 44 have a connecting portion 45, the connecting portion 45 passes through the single communication channel 17, and the first stop plate 43 and the second stop plate 44 are disposed opposite to the single communication channel 17.

Specifically, along the length direction F1 of the first liner 1 and/or the second liner 2, the single communicating channel 17 is located in the middle of the first liner 1 and the second liner 2 and communicates the first liner 1 and the second liner 2; in this embodiment, the hot water supply device includes a water inlet pipe 5 and a water outlet pipe 6, the water inlet pipe 5 is disposed on the first inner container 1 and extends into the first inner container 1 from the lower portion of the first inner container 1; the water outlet pipe 6 is arranged on the first inner container 1 and extends into the second inner container 2 from the lower part of the first inner container 1 through a single communication channel 17.

The first stop plate 43 is a flat plate substantially matching with the inner top surface of the first liner 1 and having an arc-shaped outer edge, the first stop plate 43 is vertically arranged in the first liner 1 along the height direction F2 of the first liner 1, the lower part of the first stop plate 43 has a certain flow space with the inner bottom wall of the first liner 1 so as to facilitate the convection flow of the water body, the first stop plate 43 divides the first liner 1 into a first area 13 and a second area 14 at both sides of the first liner, the first channel 11 is communicated with the first area 13, the second channel 12 is communicated with the second area 14, the first stop plate 43 forms a barrier wall, the temperature of the water in the first liner 1 is integrally divided into two areas with different temperatures at both sides of the first stop plate 43, that is, the temperature of the water in the first area 13 of the first liner 1 where the heating unit 3 is arranged is higher than that of the water in the second area 14 where the heating unit 3 is not arranged, thereby increasing the temperature difference between the water in the first inner container 1 and the water in the second inner container 2 and accelerating the convection flow of the water in the first inner container 1 and the water in the second inner container 2.

The second stopper plate 44 is a flat plate having an arc-shaped outer edge substantially matching with the inner bottom surface of the second inner container 2, the second stopper plate 44 is vertically provided in the second liner 2 in the height direction F2 of the second liner 2 and is connected to the first stopper plate 43 by a connecting portion 45, the upper portion of the second stopper plate 44 and the inner top wall of the second inner container 2 have a certain flow space, so that the water can flow in a convection manner, the second stop plate 44 divides the second liner 2 into a third region 15 and a fourth region 16 on either side thereof, the first passage 11 communicates with a third region 15, the second passage 12 communicates with a fourth region 16, the second blocking plate 44 forms a blocking wall, which realizes that the temperature of the water in the second inner container 2 is wholly divided into different temperatures at two sides of the second blocking plate 44, so as to accelerate the convection flow of the water in the first inner container 1 and the water in the second inner container 2.

In the present embodiment, the first stopper plate 43 and the second stopper plate 44 are disposed opposite to each other up and down with respect to the single communication passage 17, so that the first region 13 of the first liner 1 communicates with the third region 15 of the second liner 2 through the single communication passage 17, and water in the first liner 1 can flow into the third region 15 of the second liner 2 through the single communication passage 17; the fourth region 16 of the second liner 2 is communicated with the second region 14 of the first liner 1 through a single communication passage 17, and water in the second liner 2 can flow back to the second region 14 of the second liner 2 through the single communication passage 17. In the present embodiment, by the design of the first stopper plate 43, the connecting portion 45, and the second stopper plate 44, a descending region and an ascending region dedicated to cold and hot water are formed in the first inner container 1 and the second inner container 2, so that external interference in a convection process of cold and hot water can be reduced, and a convection effect can be significantly enhanced.

In another modification of the present embodiment, the convection strengthening structure 4 may only include the first stop plate 43 located in the first liner 1, or in yet another modification, the convection strengthening structure 4 may only include the second stop plate 44 located in the second liner 2, and the operation principle of these embodiments is the same as that of the above embodiment, and the drawings are not provided herein for explanation.

According to an embodiment of the present invention, as shown in fig. 18, a single communicating channel 17 is provided between the first inner container 1 and the second inner container 2, the convection reinforcing structure 4 includes a first air guiding member 41 at least partially located in the second inner container 2 and a second air guiding member 42 at least partially located in the first inner container 1, and the first air guiding member 41 and the second air guiding member 42 are staggered with respect to the single communicating channel 17.

Specifically, along the length direction F1 of the first liner 1 and/or the second liner 2, the single communicating channel 17 is located in the middle of the first liner 1 and the second liner 2 and communicates the first liner 1 and the second liner 2; in this embodiment, the hot water supply device includes a water inlet pipe 5 and a water outlet pipe 6, the water inlet pipe 5 is disposed on the first inner container 1 and extends into the first inner container 1 from the lower portion of the first inner container 1; the water outlet pipe 6 is arranged on the first inner container 1 and extends into the second inner container 2 from the lower part of the first inner container 1 through a single communication channel 17.

Referring to fig. 19, in a possible embodiment, the first guiding member 41 is a first guiding pipe, the second guiding member 42 is a second guiding pipe, the first guiding pipe is connected to the water outlet pipe 6, and the second guiding pipe is connected to the first guiding pipe.

Specifically, the first flow guide pipe is sleeved on the water outlet pipe 6, two end portions 413 of the first flow guide pipe are respectively connected to the outer wall of the water outlet pipe 6 in a spot welding mode, and the upper portion of the second flow guide pipe is connected to the outer wall of the lower portion of the first flow guide pipe in a spot welding mode.

In this embodiment, water in the first region 13 of the first inner container 1 can flow into the second inner container 2 through the first flow guide tube, and water in the second inner container 2 can flow back into the first inner container 1 through the second flow guide tube.

In another possible embodiment, the first flow-guiding member 41 is a first flow-guiding pipe, the second flow-guiding member is a second flow-guiding pipe, the second flow-guiding pipe is connected to the water outlet pipe 6, and the first flow-guiding pipe is connected to the second flow-guiding pipe.

Specifically, the second flow guide pipe is sleeved on the water outlet pipe 6, two ends of the second flow guide pipe are respectively connected to the outer wall of the water outlet pipe 6 in a spot welding manner, the lower part of the first flow guide pipe is connected to the outer wall of the upper part of the second flow guide pipe in a spot welding manner, the operation principle of the embodiment is similar to that of the embodiment in fig. 18 to 19, and the drawings are not provided for explanation.

Of course, in another modification of the present embodiment, the convection reinforcing structure 4 may only include the second flow guiding element 42 located in the first inner container 1, and the second flow guiding element 42 is a second flow guiding pipe and is sleeved on the water outlet pipe 6, or in yet another modification, the convection reinforcing structure 4 may only include the first flow guiding element 41 located in the second inner container 2, and the first flow guiding element 41 is a first flow guiding pipe and is sleeved on the water outlet pipe 6, and no drawing is provided.

In this embodiment, the at least one heating unit 3 is at least one electric heating rod disposed in the first liner 1, and the electric heating rod is disposed at an end portion of the first liner 1 near the first baffle 41 and extends from the end portion toward the center of the first liner 1. The utility model discloses in, with the tip setting that the electrical heating rod set up in first inner bag 1 and be close to first water conservancy diversion piece 41, the temperature that can make the water that is close to first water conservancy diversion piece 41 department in first inner bag 1 is higher relatively, does benefit to the water of first inner bag 1 and the water of second inner bag 2 through the convection current flow, improves the water of first inner bag 1 and the water of second inner bag 2 water diversion speed under the effect of convection current additional strengthening 4 for hot water supply device's heat transfer effect.

According to an embodiment of the present invention, as shown in fig. 20, the hot water supply device further includes a third inner container 7 disposed above the second inner container 2, the third inner container 7 is communicated with the second inner container 2, and a convection reinforcing structure is disposed between the third inner container 7 and the second inner container 2 to reinforce the convection between the water in the second inner container 2 and the water in the third inner container 7.

Specifically, in the embodiment of fig. 20, a third channel 18 and a fourth channel 19 are formed between the second liner 2 and the third liner 7, the second convection reinforcement structure 8 includes a third flow guide 81 at least partially located in the third liner 7 and a fourth flow guide 82 at least partially located in the second liner 2, the fourth flow guide 82 is communicated with the fourth channel 19, and the third flow guide 81 is communicated with the third channel 18.

In this embodiment, with respect to the arrangement positions of the third and fourth channels 18 and 19, the structures of the third and fourth diversion members 81 and 82 and the positions of the inlets and outlets thereof in the third and second liners 7 and 2, and the connection structures of the third and fourth diversion members 81 and 82 with the water inlet pipe 5 and the water outlet pipe 6, respectively, the arrangement positions of the first and second channels 11 and 12, the structures of the first and second diversion members 41 and 42 and the positions of the inlets and outlets thereof in the first and second liners 1 and 2, and the connection structures of the first and second diversion members 41 and 42 with the water inlet pipe 5 and the water outlet pipe 6 in the above-described embodiment are substantially the same, and will not be described again.

Of course, in another modification of the present embodiment, the convection reinforcement structure 8 may include only the third baffle 81 located in the third liner 7, or, in yet another modification, the convection reinforcement structure 8 may include only the fourth baffle 82 located in the second liner 2, and no drawing is provided.

According to an embodiment of the present invention, different from the embodiment of fig. 20, is: the convection reinforcement structure 8 may be a third stop plate disposed in the third inner container 7, and the structure of the third stop plate is substantially the same as that of the second stop plate 44 in the embodiment of fig. 11 to 13, and will not be described again.

According to the utility model discloses an embodiment, can be equipped with single intercommunication passageway between this second inner bag 2 and the third inner bag 7, this second convection current structure of strengthening 8 is including setting up the fourth backstop board in second inner bag 2 and setting up the third backstop board in third inner bag 7, and this third backstop board and fourth backstop board have connecting portion, and this connecting portion pass single intercommunication passageway, and this third backstop board and fourth backstop board set up single intercommunication passageway relatively.

The specific structure, position and operation principle of the third stopper plate and the fourth stopper plate of this embodiment are substantially the same as those of the first stopper plate 43 and the second stopper plate 44 provided in fig. 16 and 17, and the detailed description thereof is omitted.

The above are only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.

Claims (29)

1. A hot water supply apparatus, comprising:

a first inner container;

the second inner container is positioned above the first inner container and communicated with the first inner container;

at least one heating unit for heating water within the hot water supply device;

and the convection reinforcing structure can enhance the convection of the water in the first inner container and the water in the second inner container.

2. The hot water supply apparatus as claimed in claim 1, wherein a first passage and a second passage are formed between the first and second bladders, and the convection reinforcement structure includes a first guide member at least partially positioned in the second bladder, the first guide member being in communication with the first passage.

3. The hot water supply assembly of claim 2, wherein the convection enhancing structure further comprises a second flow guide at least partially disposed in the first bladder, the second flow guide communicating with the second channel.

4. The hot water supply apparatus as claimed in claim 1, wherein a first passage and a second passage are formed between the first and second bladders, and the convection reinforcement structure includes a second guide member at least partially positioned in the first bladder, the second guide member being in communication with the second passage.

5. The hot water supply apparatus as claimed in any one of claims 2 to 4, wherein the first and second passages are provided near ends of the first and/or second inner containers, respectively, in a length direction of the first and/or second inner containers.

6. The hot water supply assembly of claim 2, wherein the first flow guide is a first flow guide including an inlet and an outlet, the first flow guide configured such that the temperature of the body of water at the inlet is greater than the temperature of the body of water at the outlet.

7. The hot water supplying apparatus of claim 6, wherein an outlet of the first flow guide pipe is positioned in the second inner container, and an inlet of the first flow guide pipe is positioned in the first inner container, or wherein an inlet of the first flow guide pipe is positioned in the first passage, or wherein an inlet of the first flow guide pipe is butted against an upper portion of the first passage.

8. The hot water supply apparatus as claimed in claim 3 or 4, wherein the second guide member is a second guide tube including an inlet and an outlet, the outlet of the second guide tube is positioned in the first inner container, the inlet of the second guide tube is positioned in the second inner container, or the inlet of the second guide tube is positioned in the second passage, or the inlet of the second guide tube is abutted against a lower portion of the second passage.

9. The hot water supply apparatus as claimed in claim 7, wherein an outer diameter of the first guide tube is smaller than an inner diameter of the first passage.

10. The hot water supply apparatus as claimed in claim 8, wherein an outer diameter of the second guide tube is smaller than an inner diameter of the second passage.

11. The hot water supply apparatus of claim 1, wherein a first passage and a second passage are formed between the first bladder and the second bladder, and the convection enhancing structure includes a first stopper plate disposed in the first bladder, the first stopper plate being positioned between the first passage and the second passage.

12. The hot water supply apparatus of claim 11, wherein the convection enhancing structure further comprises a second stop plate disposed in the second bladder, the second stop plate being positioned between the first passage and the second passage.

13. The hot water supply apparatus of claim 1, wherein a first passage and a second passage are formed between the first bladder and the second bladder, and the convection enhancing structure includes a second stopper plate disposed in the second bladder, the second stopper plate being positioned between the first passage and the second passage.

14. The hot water supply apparatus as claimed in any one of claims 2, 3, 4, 11, 12 and 13, wherein the at least one heating unit is at least one electric heating rod disposed in the first inner container, and a distance between a center of the electric heating rod and a center of the first channel is smaller than a distance between a center of the electric heating rod and a center of the second channel.

15. The hot water supply apparatus as claimed in claim 14, wherein the electric heating rod is provided at an end portion of the first inner container adjacent to the first passage and extends from the end portion toward an inside of the first inner container.

16. The hot water supply device as claimed in claim 3, wherein the hot water supply device comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is disposed on the first inner container and extends into the first inner container from a lower portion of the first inner container; the water outlet pipe is arranged on the first inner container and extends into the second inner container from the lower part of the first inner container.

17. The hot water supply apparatus as claimed in claim 16, wherein the first guide member is a first guide tube connected to the inlet pipe.

18. The hot water supply apparatus as claimed in claim 17, wherein the inlet pipe has an extension pipe capable of extending into the first passage, the first guide pipe is sleeved on the extension pipe, and both ends of the first guide pipe are spot-welded to outer walls of the extension pipe, respectively.

19. The hot water supply apparatus as claimed in claim 16, wherein the second guide member is a second guide pipe sleeved on the outlet pipe.

20. The hot water supplying apparatus of claim 19, wherein both ends of the second guide tube are spot-welded to the outer wall of the outlet pipe, respectively.

21. The hot water supply apparatus as claimed in claim 16, wherein the water inlet pipe is disposed opposite to the first passage, the water outlet pipe is disposed opposite to the second passage, and the at least one heating unit is at least one electric heating rod disposed in the first inner container, the at least one electric heating rod being disposed at an end of the first inner container near the water inlet pipe.

22. The hot water supply apparatus as claimed in claim 1, wherein a single communication passage is provided between the first and second bladders, the convection reinforcement structure includes a first stopper plate provided in the first bladder and a second stopper plate provided in the second bladder, the first and second stopper plates have a connection portion passing through the single communication passage, and the first and second stopper plates are disposed opposite to the single communication passage.

23. The hot water supply apparatus as claimed in claim 1, wherein a single communication passage is provided between the first and second bladders, and the convection reinforcement structure includes a first guide member at least partially positioned in the second bladder and a second guide member at least partially positioned in the first bladder, the first and second guide members being alternately positioned with respect to the single communication passage.

24. The hot water supply apparatus as claimed in claim 23, wherein the hot water supply apparatus comprises a water inlet pipe and a water outlet pipe, the water inlet pipe being provided on the first inner container and extending into the first inner container from a lower portion of the first inner container; the water outlet pipe is arranged on the first inner container and extends into the second inner container from the lower part of the first inner container through the single communication channel.

25. The hot water supply apparatus as claimed in claim 24, wherein the first guide member is a first guide tube, the second guide member is a second guide tube, the first guide tube is connected to the outlet pipe, and the second guide tube is connected to the first guide tube.

26. The hot water supplying apparatus as claimed in claim 25, wherein the first guide tube is coupled to the outlet pipe and both ends of the first guide tube are spot-welded to the outer wall of the outlet pipe, respectively, and the upper portion of the second guide tube is spot-welded to the lower outer wall of the first guide tube.

27. The hot water supply apparatus as claimed in claim 24, wherein the first guide member is a first guide tube, the second guide member is a second guide tube, the second guide tube is connected to the outlet pipe, and the first guide tube is connected to the second guide tube.

28. The hot water supplying apparatus as claimed in claim 27, wherein the second guide tube is coupled to the outlet pipe and both ends of the second guide tube are spot-welded to the outer wall of the outlet pipe, respectively, and the lower portion of the first guide tube is spot-welded to the upper outer wall of the second guide tube.

29. The hot water supply apparatus as claimed in any one of claims 23 to 28, wherein the at least one heating unit is at least one electric heating rod provided in the first inner container, the electric heating rod being provided in an end portion of the first inner container near the first baffle member and extending from the end portion toward a center of the first inner container.

Images