CN214199184U

CN214199184U - Zero-cold-water heat storage system

Info

Publication number: CN214199184U
Application number: CN202023277460.9U
Authority: CN
Inventors: 毛华宇; 廖加均; 吴学亮
Original assignee: Rheem China Water Heater Co ltd
Current assignee: Rheem China Water Heater Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-14
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a but zero cold water heat-retaining system of many heat source inputs, including water storage container, water storage container's inner chamber intercommunication has outlet pipe way, water intake pipe and return water pipeline, the inlet tube can connect multiple heat source outward, outlet pipe way connects with water pipeline, return water pipeline with use water pipeline be connected in order to flow back into water storage container with the low temperature water in the water pipeline, supply hot water when keeping water pipeline water consumption, set gradually a plurality of temperature sensor from bottom to top in the water storage container and be used for monitoring the temperature of each water layer in the water storage container, in order to control the opening and stopping of external heat source, the utility model discloses a zero cold water heat-retaining system, the temperature is judged more accurate, can prevent that the hot water temperature at the top of the container from scalding and causing to and improve the hot water utilization ratio; meanwhile, repeated heating of the heating module and frequent starting of an external heat source are reduced, and energy is saved.

Description

Zero-cold-water heat storage system

Technical Field

The utility model relates to a hot water system particularly, relates to a zero cold water heat-retaining system.

Background

The zero-cold-water heat storage system is a water supply system for providing domestic hot water for modern household life, cold water can be directly added into the zero-cold-water heat storage system for heating in life, and a water heater pipeline can also be externally connected, so that hot water in the water heater externally connected with a heat source is introduced into the zero-cold-water heat storage system for heat storage and heat preservation, and hot water can be provided for a user at any time in the water pipeline.

The heat storage type pressure-bearing water tank of the dual-purpose wall-mounted boiler for the flat-storey residential building, disclosed in the Chinese patent application with the application number of 201910462051.9, is a common zero-cold-water heat storage system, a three-way pipe is arranged on a water inlet of the heat storage type pressure-bearing water tank to be respectively connected with a cold water pipeline and the wall-mounted boiler, and a water outlet of the heat storage type pressure-bearing water tank is connected with a water pipeline; and the water tank is also provided with a water return port for recovering hot water flowing out of the water outlet, thereby preventing the hot water from being transitionally wasted and saving energy.

In the patent scheme, a temperature sensor is arranged near a heating pipe at the lower end of a water tank to monitor the water temperature in the water tank, the closer the temperature sensor is to a heating rod, the higher the temperature is, the higher the water temperature detection is, and the actual water temperature in a liner cannot be truly reflected; meanwhile, the temperature sensor is arranged below the heating rod, and according to the phenomenon of heat, cold and drop of fluid, hot water in the water tank can go to the upper part of the water tank, and the water goes upwards and can be continuously heated by the heating pipe, so that the temperature of the water body above the temperature sensor is higher than the temperature of the water body monitored by the temperature sensor, the temperature of the water body flowing out of the water outlet is often higher than the actually set temperature, and even the risk of scalding a user is caused; in addition, when a user only uses a small amount of hot water, and a large amount of hot water is reserved at the upper part in the water tank, after the corresponding cold water is supplemented to the water inlet at the lower part, the temperature sensor detects that the water temperature is low, the heating is started again, the large amount of hot water at the upper part is not used, and the great waste is caused by repeated heating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming that the background art mentioned, provide a temperature detects in the courage more accurate, reduce heating frequency, improve the zero cold water heat-retaining system of energy-saving of hot water utilization ratio and user's water comfort level.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a zero cold water heat-retaining system, is equipped with the water container of heating module in including, water container's inner chamber intercommunication has outlet pipe way, water intake pipe and return water pipeline, outlet pipe connects with water pipeline, return water pipeline and water pipeline are connected in order to flow back into water container with the hot water in the water pipeline, the temperature that each water layer in the water container was used for monitoring to set gradually a plurality of temperature sensor in the water container from lower supreme in the water container.

In some preferred embodiments, the heating module comprises a heating rod and a controller connected with the heating rod, wherein the heating rod is arranged on the side wall of the water storage container and extends to the inner bottom of the water storage container.

In some preferred embodiments, the inner bottom surface of the water storage container is concave, the lower section of the heating rod is provided with a bending part with a downward bending middle part, and the bending amplitude of the bending part is matched with the concave amplitude of the inner bottom of the water storage container.

In some preferred embodiments, the inner bottom of the water storage container is convex upward, the lower section of the heating rod is provided with a bending part with an upward bending middle part, and the bending amplitude of the bending part is matched with the convex amplitude of the inner bottom of the water storage container.

In some preferred embodiments, the lower section of the heating rod matches the curvature of the side wall of the water storage container.

In some preferred embodiments, the water inlet pipeline, the water outlet pipeline and the water return pipeline are all embedded with insulating heat-resistant liner pipes, and a water flow switch is arranged on the water inlet pipeline.

In some preferred embodiments, the zero-cold-water heat storage system further comprises a casing arranged outside the water storage container, the water return pipeline comprises a water return pipeline and a circulating pump arranged on the water return pipeline, the circulating pump is arranged between the casing and the water storage container through a damping support, and a noise absorption structure is further arranged between the casing and the circulating pump.

In some preferred embodiments, the controller is disposed on a side wall or a top of the housing.

In some preferred embodiments, the zero cold water heat storage system further includes an anode rod disposed at an upper portion of the inner cavity of the water storage container and extending downward.

In some preferred embodiments, the zero cold water heat storage system further includes an anode rod disposed at an upper portion of the inner cavity of the water storage container and extending in a radial direction of the inner cavity.

In some preferred embodiments, the water inlet pipeline comprises at least two sets of water inlet channels to provide multiple sets of water sources for the water storage container.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model discloses an among the zero cold water heat-retaining system, the temperature that is used for monitoring each water layer in the water storage container by supreme a plurality of temperature sensor that are provided with down in the water storage container makes the temperature judge more accurately, can prevent the repeated heating of heating module, improves hydrothermal utilization ratio, the energy can be saved.

Drawings

Fig. 1 is a first perspective view of the zero-cold-water heat storage system of the present invention;

fig. 2 is a second perspective view of the zero-cooling-water heat storage system of the present invention;

fig. 3 is a perspective view of a water storage container of the zero-cold-water heat storage system of the present invention;

FIG. 4 is a structural diagram of the inside of the water storage container of the zero-cooling water heat storage system of the present invention;

icon: 1-water storage container, 10-water outlet pipeline, 11-water inlet pipeline, 12-water return pipeline, 120-water return pipeline, 121-circulating pump, 13-controller, 14-heating rod, 140-bending part, 15-anode rod, 2-shell and 20-vibration damping support.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a zero-cold-water heat storage system includes a water storage container 1 with a heating module therein, the water storage container 1 is of an inner container structure and is externally provided with a shell 2, an enamel layer is provided on an inner wall of the water storage container 1 to reduce corrosion, an inner cavity of the water storage container 1 is communicated with a water outlet pipeline 10, a water inlet pipeline 11 and a water return pipeline 12, the water outlet pipeline 10 is communicated with an upper portion of the inner cavity of the water storage container 1, the water inlet pipeline 11 is communicated with a lower portion of the inner cavity of the water storage container 1, the water return pipeline 12 is communicated with a bottom portion of the inner cavity of the water storage container 1, and the water outlet pipeline 10, the water inlet pipeline.

The heating module comprises a heating rod 14 and a controller 13 connected with the heating rod 14, the heating rod 14 is arranged on the side wall of the water storage container 1 and extends to the inner bottom of the water storage container 1, the controller 13 is arranged on the side wall of the shell 2 and can also be arranged at the top of the shell 2, water leakage at the bottom of the water storage container 1 is prevented, the controller 13 is prevented from being damaged, and the heating module is safer and is convenient to maintain.

The water inlet pipeline 11 comprises at least two groups of water inlet channels to provide a plurality of groups of water sources for the water storage container 1, namely, the water inlet pipeline 11 can be provided with joints such as a tee joint and a cross joint to be respectively connected with external heat source hot water systems such as a tap water pipeline, a gas water heater, an air energy water heater, a solar water heater or an electric water heater, cold water and hot water can be respectively introduced into the water storage container 1 to heat and preserve heat.

The temperature sensors are sequentially arranged in the water storage container 1 from bottom to top and used for monitoring the temperature of each water layer in the water storage container 1, namely when the heating rod 14 heats hot water, the hot water flows upwards, a plurality of groups of temperature sensors can respectively monitor the water temperature conditions of each position in the water storage container 1, the water outlet pipeline 10 is communicated with the upper part of the inner cavity of the water storage container 1, the temperature sensors above the inner cavity of the water storage container 1 can provide real water supply temperature of domestic water for a zero-cold-water heat storage system, and the heating rod 15 is controlled to work through the controller 13, so that overheating and scalding are prevented; after the user uses hot water a small amount, a large amount of hot water still is deposited to the top in the water storage container 1, and this moment the water storage container 1 inner chamber below after leading into cold water, the temperature sensor of water storage container 1 below detects the temperature and obviously is less than the temperature sensor of top, the temperature sensor of top detects hot water temperature and through the work of controller 13 control heating rod 15, avoids starting the heating repeatedly, causes the waste of the energy.

The water outlet pipeline 10 is connected with a water using pipeline, the water return pipeline 12 is connected with the water using pipeline, the water return pipeline 12 comprises a water return pipeline 120, a circulating pump 121 arranged on the water return pipeline 120 and a temperature sensor arranged in the water return pipeline 120, wherein the controller 13 is connected with the temperature sensor, the water temperature in the water return pipeline 12 can be detected, when the temperature sensor detects that the water temperature in the water return pipeline 12 is low, low-temperature water in the water using pipeline flows back into the water storage container 1 through the circulating pump 121, meanwhile, hot water in the water storage container 1 is conveyed to the water using pipeline, hot water is supplied when the water using pipeline is kept, and therefore the zero cold water function is achieved.

In this embodiment, the inner bottom surface of the water storage container 1 is concave, the lower section of the heating rod 14 has a bending portion 140 with a downward bending middle portion, the bending amplitude of the bending portion 140 is matched with the concave amplitude of the inner bottom of the water storage container 1, the heating rod 14 is attached to the inner bottom of the water storage container 1, the heating area is larger, and hot water at the bottom of the water storage container 1 can be heated more.

In some embodiments, the inner bottom of the water storage container 1 may also be convex, the lower section of the heating rod 14 has a bending part 140 with an upward bending middle part, and the bending amplitude of the bending part 140 matches with the inner bottom protrusion amplitude of the water storage container 1.

In some embodiments, the lower section of the heating rod 14 matches the arc of the side wall of the water storage container 1, i.e. the heating rod 14 can be coiled at the bottom of the inner cavity of the water storage container 1.

In this embodiment, the water inlet pipeline 11, the water outlet pipeline 10 and the water return pipeline 12 are all embedded with insulating heat-resistant liner pipes, and the water inlet pipeline 11 is further provided with a water flow switch.

In this embodiment, the circulation pump 121 is installed between the housing 2 and the water storage container 1 through the damping bracket 20, a noise absorption structure is further disposed between the housing 2 and the circulation pump 121, such as foam, so that the damping performance is improved and the noise absorption effect is achieved, the end of the water return pipe 120 extends to the upper portion of the inner cavity of the water storage container 1, and the recovered hot water can be directly introduced into the hot water area in the water storage container 1.

In some preferred embodiments, the zero-cold-water heat storage system further includes an anode rod 15 disposed at an upper portion of the inner cavity of the water storage container 1 and extending downward, and the anode rod 15 may also be disposed at an upper portion of the inner cavity of the water storage container 1 and extend radially toward the inner cavity; the prior art is adopted: the anode rod 15 is a magnesium rod and reacts with water to generate hydrogen, and in this embodiment, the anode rod 15 is arranged at the top of the inner cavity of the water storage container 1, and only the magnesium rod is submerged by water to react with water, so that compared with the case that the magnesium rod is arranged at the bottom of the water storage container 1, the consumption of the magnesium rod can be reduced, and the safety is improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a zero cold water heat-retaining system, is equipped with water container (1) of heating module in including, the inner chamber intercommunication of water container (1) has outlet pipe way (10), water intake pipe way (11) and return water pipeline (12), useful water pipeline is connected in outlet pipe way (10), return water pipeline (12) with water pipeline be connected with the low temperature water reflux in the water pipeline advance water container (1), supply hot water when keeping water pipeline water consumption, its characterized in that:

a plurality of temperature sensors are sequentially arranged in the water storage container (1) from bottom to top and used for monitoring the temperature of each water layer in the water storage container (1).

2. The zero cold water thermal storage system of claim 1, wherein: the heating module comprises a heating rod (14) and a controller (13) connected with the heating rod (14), and the heating rod (14) is arranged on the side wall of the water storage container (1) and extends to the inner bottom of the water storage container (1).

3. The zero cold water thermal storage system of claim 2, wherein: the inner bottom surface of the water storage container (1) is concave, the lower section of the heating rod (14) is provided with a bending part (140) with the middle part bent downwards, and the bending amplitude of the bending part (140) is matched with the concave amplitude of the inner bottom of the water storage container (1).

4. The zero cold water thermal storage system of claim 2, wherein: the inner bottom of the water storage container (1) is convex upwards, the lower section of the heating rod (14) is provided with a bending part (140) with the middle part bending upwards, and the bending amplitude of the bending part (140) is matched with the convex amplitude of the inner bottom of the water storage container (1).

5. The zero cold water thermal storage system of claim 3 or 4, wherein: the radian of the lower section of the heating rod (14) is matched with that of the side wall of the water storage container (1).

6. The zero-cold-water heat storage system as claimed in claim 1, wherein the water inlet pipeline (11), the water outlet pipeline (10) and the water return pipeline (12) are all embedded with insulating heat-resistant liner pipes, and the water inlet pipeline (11) is provided with a water flow switch.

7. The zero-cold-water heat storage system according to claim 2, further comprising a shell (2) arranged outside the water storage container (1), wherein the water return pipeline (12) comprises a water return pipeline (120) and a circulating pump (121) arranged on the water return pipeline (120), the circulating pump (121) is installed between the shell (2) and the water storage container (1) through a vibration reduction support (20), and a noise absorption structure is further arranged between the shell (2) and the circulating pump (121).

8. The zero-cold-water thermal storage system according to claim 7, wherein the controller (13) is arranged on the side wall or the top of the shell (2).

9. The zero-cold-water heat storage system according to any one of claims 1 to 4, further comprising an anode rod (15) which is arranged at the upper part of the inner cavity of the water storage container (1) and extends downwards.

10. The zero-cold-water heat storage system according to any one of claims 1 to 4, further comprising an anode rod (15) disposed at an upper portion of the inner cavity of the water storage container (1) and radially extending toward the inner cavity.