CN217209862U

CN217209862U - Energy storage device and gas water heater with same

Info

Publication number: CN217209862U
Application number: CN202123411097.XU
Authority: CN
Inventors: 廖振开; 彭金东; 邓飞忠; 仇明贵; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-16
Anticipated expiration: 2031-12-31

Abstract

The utility model provides an energy memory and have its gas heater, including casing and tobacco pipe subassembly form the cavity in the casing, the tobacco pipe subassembly by the bottom of casing is passed the cavity to the top direction of casing extends the setting be equipped with the heat exchange tube subassembly in the cavity the heat exchange tube subassembly with shells inner wall be equipped with phase change material between the tobacco pipe subassembly outer wall. The heat energy in the flue gas is effectively utilized, cold water when the gas water heater is turned off and then turned on can be heated, zero cold water is realized, and the constant-temperature water outlet effect of the gas water heater is improved.

Description

Energy storage device and gas water heater with same

Technical Field

The utility model relates to a water heater technical field, concretely relates to energy memory and have its gas heater.

Background

When the gas heater is opened, just can heat water to suitable temperature after waiting a period of time, cause the waste of water and gas, the use also can make the temperature unstable because of the change of water yield, when the water heater shuts down and opens again, has one section cold water and directly flows out by the play water end, and the play water end is suddenly cooled and suddenly heated, brings very uncomfortable experience for the user shower process. The existing solution is to add a water storage tank at the water outlet end of the hot water pipe, neutralize the cold water generated when the water heater is turned off and then turned on by using the hot water in the water storage tank, and improve the constant temperature effect of the hot water. The water storage tank stores hot water, and the water temperature can be reduced after a long time, so that the heating or constant temperature effect is lost. When the water heater is restarted, more cold water is discharged from the water outlet end, and the waiting time for discharging hot water is also increased. In addition, a certain amount of water is always stored in the water storage tank, and part of water is 'dead water', so that bacteria are easy to breed when the water storage tank is not used for a long time, and the healthy water of a user is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve one of the problem that exists among the prior art to a certain extent, for this reason, the utility model discloses an aim at provides an energy memory, guarantees that leaving water temperature is invariable.

The above purpose is realized by the following technical scheme:

the energy storage device comprises a shell and a smoke tube assembly, wherein a cavity is formed in the shell, the smoke tube assembly penetrates through the bottom of the shell and extends towards the top of the shell, a heat exchange tube assembly is arranged in the cavity, and a phase change material is arranged between the heat exchange tube assembly and the inner wall of the shell and between the heat exchange tube assembly and the outer wall of the smoke tube assembly.

As a further improvement, the casing comprises an upper casing body and a lower casing body, a first smoke pipe mounting hole is formed in the lower casing body, a second smoke pipe mounting hole is formed in the upper casing body, the smoke inlet end of the smoke pipe assembly is communicated with the first smoke pipe mounting hole, and the smoke outlet end of the smoke pipe assembly penetrates through the second smoke pipe mounting hole in an upward extending mode.

As the further improvement of the utility model, the edge all around of first tobacco pipe mounting hole upwards extends and forms first butt edge, works as the tobacco pipe unit mount is in when on the casing, the inner wall of tobacco pipe subassembly with first butt edge offsets.

As a further improvement of the utility model, the four sections edges of the second tobacco pipe mounting hole extend upwards to form a second butt edge, work as the tobacco pipe unit mount is in when on the casing, the outer wall of tobacco pipe unit with first butt edge offsets.

As a further improvement of the utility model form first intercommunicating pore and second intercommunicating pore on the outer wall of casing, the heat exchange tube subassembly is including the section of intaking, heat transfer section and go out the water section, just the section of intaking the heat transfer section with it communicates in proper order to go out the water section, the heat transfer section sets up in the cavity, the section of intaking passes first intercommunicating pore with the heat transfer section intercommunication, it passes to go out the water section second intercommunicating pore and heat transfer section intercommunication.

As a further improvement of the utility model, still be equipped with the spoiler in the cavity, the spoiler by the casing bottom to the cavity direction extends the setting.

As a further improvement of the utility model, the outside of the shell is also provided with heat preservation cotton.

Another object of the present invention is to provide a gas water heater, which ensures constant water temperature.

The above purpose is realized by the following technical scheme:

the utility model provides a gas water heater, includes main heat exchanger, collection petticoat pipe and the aforesaid an energy memory, the collection petticoat pipe is installed on the main heat exchanger, energy memory installs on the collection petticoat pipe.

As a further improvement, the utility model also comprises a cold water inlet pipe and a water outlet pipe, the water outlet end of the cold water inlet pipe is communicated with the water inlet end of the heat exchange pipe assembly, the water outlet end of the heat exchange pipe assembly is communicated with the water inlet end of the water outlet pipe.

As a further improvement of the utility model, the water outlet end of the heat exchange tube assembly is provided with a temperature sensor, the controller with temperature sensor electric connection.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the utility model provides an energy memory effectively utilizes the heat energy in the flue gas, can heat the cold water when opening again to the shutdown of gas heater, improves gas heater's constant temperature play water effect.

2. The utility model provides a gas water heater effectively utilizes the heat energy in the flue gas, can heat the cold water when opening again to gas water heater shutdown, improves gas water heater's constant temperature play water effect.

Drawings

FIG. 1 is an exploded view of an energy storage device according to an embodiment;

FIG. 2 is a cross-sectional view of an energy storage device according to an embodiment;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a schematic structural view of a lower case in the embodiment;

FIG. 6 is a schematic structural diagram of an energy storage device according to an embodiment;

FIG. 7 is a schematic structural diagram of a gas water heater in an embodiment;

FIG. 8 is another schematic diagram of the gas water heater according to the embodiment.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-6, an energy storage device includes a housing 1 and a smoke tube assembly 2, a cavity 10 is formed in the housing 1, the smoke tube assembly 2 extends from the bottom of the housing 1 through the cavity 10 to the top of the housing 1, a heat exchange tube assembly 3 is disposed in the cavity 10, and a phase change material 4 is disposed between the heat exchange tube assembly 3 and the inner wall of the housing 1 and between the heat exchange tube assembly 3 and the outer wall of the smoke tube assembly 2.

The utility model provides an energy memory, wherein tobacco pipe subassembly 2 is arranged in gas heater's collection petticoat pipe to connect, in letting in tobacco pipe subassembly 2 with gas heater exhaust flue gas, spread into the heat of flue gas into and store phase change material 4 through the outer wall of tobacco pipe subassembly 2, pass through heat exchange tube subassembly 3 when flowing water, can heat the flowing water in the heat exchange tube subassembly 3 through the heat of storage in phase change material 4, effectively utilize the heat energy in the flue gas, cold water when can closing and reopen to gas heater heats, improve gas heater's constant temperature play water effect.

The phase change material 4 is an organic phase change material 4, an inorganic phase change material 4, or a mixed phase change material 4 in which the organic phase change material 4 and the inorganic phase change material 4 are mixed with each other.

In this embodiment, the phase transition temperature point of the phase change material 4 is preferably 42 ℃. In other embodiments, the phase change temperature point of the phase change material 4 may be other suitable temperature points. When the temperature of the phase-change material 4 is higher than the phase-change temperature, the phase-change material 4 is changed from a solid state to a liquid state or from the solid state to a solid-liquid coexisting state, so that the heat energy is stored.

The material of the smoke tube component 2 can be stainless steel or other metal materials.

In some embodiments, the outer surface of the smoke tube assembly 2 may be provided with protrusions, bumps, raised strips, etc. to increase the heat exchange area and better exchange heat with the phase change material 4.

The casing 1 comprises an upper casing 11 and a lower casing 12, a first smoke pipe mounting hole 121 is formed in the lower casing 12, a second smoke pipe mounting hole 111 is formed in the upper casing 11, a smoke inlet end of the smoke pipe assembly 2 is communicated with the first smoke pipe mounting hole 121, and a smoke outlet end of the smoke pipe assembly 2 penetrates through the second smoke pipe mounting hole 111 to extend upwards.

In this embodiment, the upper housing 11 and the lower housing 12 are detachably connected. The heat exchange tube assembly 3 therein can be installed or overhauled or the phase change material 4 can be replaced by detaching the upper and

lower shells

11 and 12.

The smoke inlet of the smoke tube component 2 is adapted to the shape and size of the first smoke tube mounting hole 121, and the outer wall of the upper end of the smoke tube component 2 is adapted to the shape and size of the second smoke tube mounting hole 111.

A first abutting edge 1211 is formed extending upward around the periphery of the first smoke tube mounting hole 121, and when the smoke tube assembly 2 is mounted on the housing 1, the inner wall of the smoke tube assembly 2 abuts against the first abutting edge 1211.

A second abutting edge 1111 is formed by extending upward from four edges of the second smoke tube mounting hole 111, and when the smoke tube assembly 2 is mounted on the housing 1, the outer wall of the smoke tube assembly 2 abuts against the first abutting edge 1211.

The first abutting edge 1211 abuts against the inner wall of the smoke tube assembly 2, so that the smoke tube assembly 2 is mounted on the lower shell 12, and the smoke tube assembly 2 is prevented from falling from the first smoke tube mounting hole 121 on the lower shell 12; the edge of the second sister is abutted against the outer wall of the smoke pipe component 2 so as to fix the extending direction of the smoke pipe component 2 and avoid the phenomenon that the smoke pipe component 2 is inclined.

The first abutment edge 1211 extends upwardly for a length of 0.5-2cm and the second abutment edge 1111 extends upwardly for a length of 0.5-2 cm. In the present embodiment, the length of the first abutment edge 1211 is 1.2cm and the length of the second abutment edge 1111 is 1.2 cm. Ensuring the lengths of the first 1211 and the second 1111 abutting edge, avoiding the situation that the lengths of the first 1211 and the second 1111 abutting edge are too short to fix the position of the smoke tube assembly 2; the problems of large occupied space, large material consumption and high cost caused by the overlong lengths of the first abutting edge 1211 and the second abutting edge 1111 are avoided.

Form first intercommunicating pore 13 and second intercommunicating pore 14 on the outer wall of casing 1, heat exchange tube subassembly 3 includes the section of intaking, heat transfer section and goes out the water section, just the section of intaking the heat transfer section with go out the water section and communicate in proper order, the heat transfer section sets up in the cavity 10, the section of intaking passes first intercommunicating pore 13 with the heat transfer section intercommunication, it passes to go out the water section second intercommunicating pore 14 and heat transfer section intercommunication.

In some embodiments, the water inlet section, the heat exchange section and the water outlet section of the heat exchange tube assembly 3 are integrally formed. The processing is convenient.

In some embodiments, the water inlet section, the heat exchange section and the water outlet section of the heat exchange tube assembly 3 are detachably connected. The heat exchange tube assembly 3 is conveniently installed in the cavity 10, and sectional overhaul is convenient.

A spoiler 15 is further arranged in the chamber 10, and the spoiler 15 extends from the bottom of the shell 1 to the direction of the chamber 10. The spoiler 15 may be provided to make the temperature of the phase change material 4 uniform throughout the chamber 10. Wherein, the spoiler 15 can be a round, sheet or tubular structure.

And the outer part of the shell 1 is also provided with heat insulation cotton 16. The heat preservation cotton 16 wraps the periphery of the energy storage device shell 1, and heat loss is reduced.

Example two:

referring to fig. 7, a gas water heater 100 comprises a main heat exchanger 101, a smoke collecting hood 102 and an energy storage device in the first embodiment, wherein the smoke collecting hood 102 is installed on the main heat exchanger 101, and the energy storage device is installed on the smoke collecting hood 102. The gas inlet end of the smoke pipe assembly 2 of the energy storage device is communicated with the gas outlet end of the smoke collecting cover so as to introduce smoke exhausted by the smoke collecting cover into the smoke pipe assembly 2.

The heat exchange tube assembly is characterized by further comprising a cold water inlet tube 103 and a water outlet tube 104, wherein the water outlet end of the cold water inlet tube 103 is communicated with the water inlet end of the heat exchange tube assembly 3, the water outlet end of the heat exchange tube assembly 3 is communicated with the water inlet end of the water outlet tube 104, and a temperature sensor is arranged at the water outlet end of the heat exchange tube assembly 3.

The temperature sensor is electrically connected with the temperature sensor.

In this embodiment, the water outlet section of the water outlet pipe 104 is arranged in the main heat exchanger 101.

Water flow enters the gas water heater 100 from the cold water inlet pipe, enters the energy storage device through the heat exchange pipe assembly, water flowing out of the energy storage device enters the water outlet pipe 104, and the water entering the water outlet pipe 104 exchanges heat through the main heat exchanger 101 and then flows out of the gas water heater from the water outlet of the water outlet pipe.

When the water heater is shut down and re-ignited, the temperature sensor detects that the water outlet temperature of the heat exchange tube assembly 3 is equal to or higher than the set temperature of the water heater, the water heater can not start the gas valve and does not perform ignition work at the moment so as to avoid overhigh water outlet temperature, the temperature sensor continuously detects the water temperature, and when the water outlet temperature is lower than the set temperature of the water heater, the gas valve is started to perform ignition work.

When the water heater is shut down and then ignited again, when the temperature sensor detects that the water outlet temperature of the heat exchange tube assembly 3 is lower than the set temperature, the gas valve is opened and ignition work is carried out, so that the constant temperature effect of hot water of the water heater is improved, and meanwhile, gas is saved.

Example three:

the difference between this embodiment and the second embodiment is: the water inlet section of the cold water inlet pipe 103 is arranged in the main heat exchanger 101, as shown in fig. 8.

According to the gas water heater 100, water flow enters the gas water heater 100 from a cold water inlet pipe, enters an energy storage device through a heat exchange pipe assembly after heat exchange of a main heat exchanger 101, and water flowing out of the energy storage device enters a water outlet pipe 104 and flows out of the gas water heater through a water outlet of the water outlet pipe.

When the water heater is shut down and re-ignited, the temperature sensor detects that the water outlet temperature of the heat exchange tube assembly 3 is lower than the set temperature, the gas valve is opened and ignition work is carried out at the moment, so that the constant temperature effect of improving the hot water of the water heater is achieved, and meanwhile, the gas is saved.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.

Claims

1. The energy storage device is characterized by comprising a shell (1) and a smoke tube assembly (2), wherein a cavity (10) is formed in the shell (1), the smoke tube assembly (2) penetrates through the cavity (10) from the bottom of the shell (1) to extend towards the top of the shell (1), a heat exchange tube assembly (3) is arranged in the cavity (10), and a phase change material (4) is arranged between the heat exchange tube assembly (3) and the inner wall of the shell (1) and between the inner wall of the smoke tube assembly (2).

2. The energy storage device as claimed in claim 1, wherein the housing (1) comprises an upper housing (11) and a lower housing (12), a first smoke tube mounting hole (121) is formed in the lower housing (12), a second smoke tube mounting hole (111) is formed in the upper housing (11), the smoke inlet end of the smoke tube assembly (2) is communicated with the first smoke tube mounting hole (121), and the smoke outlet end of the smoke tube assembly (2) extends upwards through the second smoke tube mounting hole (111).

3. An energy storage device as claimed in claim 2, wherein a first abutment edge (1211) is formed extending upwardly from the peripheral edge of the first smoke tube mounting hole (121), and when the smoke tube assembly (2) is mounted on the housing (1), the inner wall of the smoke tube assembly (2) abuts against the first abutment edge (1211).

4. An energy storage device as claimed in claim 3, wherein a second abutting edge (1111) is formed by extending upward from the four-section edge of the second smoke tube mounting hole (111), and when the smoke tube assembly (2) is mounted on the housing (1), the outer wall of the smoke tube assembly (2) abuts against the first abutting edge (1211).

5. An energy storage device as claimed in claim 1, wherein a first communication hole (13) and a second communication hole (14) are formed on the outer wall of the casing (1), the heat exchange tube assembly (3) comprises a water inlet section, a heat exchange section and a water outlet section, the water inlet section, the heat exchange section and the water outlet section are communicated in sequence, the heat exchange section is arranged in the chamber (10), the water inlet section is communicated with the heat exchange section through the first communication hole (13), and the water outlet section is communicated with the heat exchange section through the second communication hole (14).

6. An energy storage device according to claim 1, characterized in that a spoiler (15) is further arranged in said chamber (10), said spoiler (15) extending from the bottom of said housing (1) in the direction of said chamber (10).

7. An energy storage device as claimed in claim 1, characterized in that a thermal insulating cotton (16) is also provided on the outside of the housing (1).

8. A gas water heater comprising a main heat exchanger (101), a fume collecting hood (102) and an energy storage device as claimed in any one of claims 1 to 7, the fume collecting hood (102) being mounted on the main heat exchanger (101) and the energy storage device being mounted on the fume collecting hood (102).

9. The gas water heater as claimed in claim 8, further comprising a cold water inlet pipe (103) and an outlet pipe (104), wherein the outlet end of the cold water inlet pipe (103) is communicated with the inlet end of the heat exchange pipe assembly (3), and the outlet end of the heat exchange pipe assembly (3) is communicated with the inlet end of the outlet pipe (104).

10. The gas water heater of claim 9, further comprising a controller, wherein a temperature sensor is arranged at the water outlet end of the heat exchange pipe assembly (3), and the controller is electrically connected with the temperature sensor.