A boiler for a tea maker

By adding a cold water baffle in the boiler and designing the flow trajectory of the cold water chamber and mixing chamber, the problem of the hot water temperature dropping due to rapid mixing of cold water was solved, thereby improving the hot water outflow efficiency and temperature stability.

CN224593433UActive Publication Date: 2026-08-04杭州为家美小家电有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
杭州为家美小家电有限公司
Filing Date
2025-08-04
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In existing boilers, the rapid mixing of cold water and hot water during the heating process leads to a decrease in hot water temperature and low water output efficiency.

Method used

By adding a cold water baffle to the boiler and designing the cold water chamber and mixing chamber, the flow trajectory of the cold water and the layout of the heating tubes can be controlled, reducing the mixing speed of cold and hot water and ensuring the outlet temperature of the hot water.

Benefits of technology

This improves the efficiency of hot water outflow, ensuring the stability of the outlet water temperature and the achievement of the expected temperature.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of boiler for tea maker, including, form containing cavity boiler body, the containing cavity upper and lower ends are respectively provided with hot water outlet and cold water inlet, and the cold water baffle being set close to cold water inlet;The cold water baffle makes that containing cavity is divided into cold water cavity and mixing cavity, the cold water inlet of the cold water cavity side enters cold water, and impact occurs with the other side of cold water cavity, so that the cold water flow track of vortex is formed in cold water cavity;The gap is formed between the cold water baffle and boiler body, and cold water cavity and mixing cavity are communicated by the gap;Cold water baffle is provided with heating pipe towards cold water cavity direction, heating pipe heats, from above and below, the temperature of mixing cavity top is highest, the temperature of mixing cavity middle and lower part is second, and the temperature of cold water cavity is lowest.In the utility model, by the setting of cold water baffle, the mixing speed of cold water and hot water is reduced, the temperature of upper hot water is ensured, so that the hot water of boiler can flow out quickly.
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Description

Technical Field

[0001] This utility model relates to the technical field of boilers used for heating and generating hot water in tea brewing, and particularly to a boiler for a tea brewing machine. Background Technology

[0002] In the existing technology, in the preparation of milk tea or other tea-based beverages, cold water is usually heated by a boiler, and then the hot water is mixed with tea bags to complete the initial brewing process. However, in existing boilers, cold water is added in time as the hot water flows out, but the cold water mixes quickly with the hot water, causing the temperature of the flowing hot water to drop, making it impossible to flow out hot water at the expected temperature, thus reducing the water output efficiency. Utility Model Content

[0003] The purpose of this utility model is to provide a boiler for a tea maker, which, through the addition of a cold water baffle, allows cold water to flow in slowly, reduces the mixing speed, and ensures the efficiency of hot water output.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0005] A boiler for a tea brewing machine includes, The boiler body forms a receiving cavity, and the upper and lower ends of the receiving cavity are respectively provided with a hot water outlet and a cold water inlet, as well as a cold water baffle near the cold water inlet; The cold water baffle divides the receiving cavity into a cold water cavity and a mixing cavity. The cold water entering from the cold water inlet on one side of the cold water cavity impacts the other side of the cold water cavity, causing a vortex-shaped cold water flow trajectory to form inside the cold water cavity. A gap is formed between the cold water baffle and the boiler body, and the cold water chamber and the mixing chamber are connected through the gap.

[0006] The cold water baffle is equipped with heating pipes facing the cold water chamber. During heating, the temperature at the top of the mixing chamber is the highest, followed by the lower part of the mixing chamber, and the temperature in the cold water chamber is the lowest.

[0007] Furthermore, a water inlet pipe perpendicular to the boiler body is provided at the cold water inlet, and the water inlet pipe forms a vertical guiding trajectory when cold water enters.

[0008] Furthermore, the vertical guide trajectory is located in the upper middle part of the cold water chamber. After the cold water is vertically guided into the cold water chamber through the vertical guide trajectory and impacts the other side, it forms a backflow trend towards the cold water inlet.

[0009] Furthermore, the volume of the cold water chamber accounts for 8%-12% of the total volume of the accommodating cavity.

[0010] Furthermore, several support points are provided at the edges of the cold water baffle, and several support plates form local support at the bottom of the cold water baffle through the support points.

[0011] Furthermore, in the cold water chamber, the trajectory of the cold water entering at the cold water inlet is offset from the support point.

[0012] Furthermore, the heating tube is fixed to the cold water baffle by a fastener. The cold water that overflows into the cold water baffle through the gap forms several outward-expanding paths that flow to both sides and away from the cold water inlet through the heating tube.

[0013] Furthermore, the side of the boiler body is recessed to form an assembly cavity. From top to bottom, the assembly cavity is sequentially provided with a first temperature sensor, a first liquid level probe, at least two heating pipe interfaces and a cold water inlet, and a second temperature sensor is provided between the two heating pipe interfaces.

[0014] Furthermore, both ends of the heating tube are connected to the heating tube interface, forming a serpentine coil on the cold water baffle, and the heating tube located in the middle position is fixed by the fixing component.

[0015] Furthermore, it also includes a control unit, which is connected to a temperature sensor, a first liquid level probe, and a heating tube. When the first liquid level probe senses cold water, the heating tube starts heating. When the temperature sensor reaches the set temperature, the heating tube stops heating.

[0016] The beneficial effects of this utility model are as follows: In this invention, by adding a cold water baffle, the upward flow speed and efficiency of cold water are reduced, thereby slowing down the mixing speed of the inflowing cold water and the outflowing hot water, ensuring the temperature of the heated hot water when it flows out.

[0017] In this invention, the hot water outlet is located at the top and the cold water inlet is located at the bottom. Since the lower the temperature, the greater the density, the cold water will enter the cold water chamber due to gravity, while the heated hot water overflows from the gap and flows into the mixing chamber. As the temperature rises, it gradually flows upward until it flows out, forming hot water. During this process, the mixing speed of the hot and cold water is slow, so the cold water has little interference with the hot water, thus improving the efficiency of the boiler in producing hot water. Attached Figure Description

[0018] Figure 1 A schematic diagram of the structure of a boiler for a tea brewing machine provided by this utility model; Figure 2 Exploded view of a boiler for a tea maker provided by this utility model; Figure 3 One of the structural schematic diagrams of the cold water baffle provided by this utility model; Figure 4 This is the second structural schematic diagram of the cold water baffle provided by this utility model; In the picture: 1. Boiler body; 2. Cold water inlet; 3. Cold water baffle; 4. Hot water outlet; 5. Heating tube; 6. Support plate; 7. First temperature sensor; 8. First liquid level probe; 9. Heating tube interface; 10. Second temperature sensor; 11. Fixture; 12. Cold water chamber; 13. Mixing chamber; 14. Water inlet pipe; 15. Second liquid level probe. Detailed Implementation

[0019] The present invention will now be described in detail with reference to the embodiments shown in the accompanying drawings. However, it should be noted that these embodiments are not intended to limit the present invention. Equivalent transformations or substitutions in function, method, or structure made by those skilled in the art based on these embodiments are all within the protection scope of the present invention.

[0020] See attached document Figure 1-3 As shown, a boiler for a tea maker in this embodiment includes a boiler body 1, which is generally a cuboid structure. The boiler body 1 forms a cavity for holding cold water. In this embodiment, when cold water flows in and hot water flows out, the entire cavity forms a bottom-in, top-out water flow trajectory. Low-density hot water flows out from the top, and high-density cold water flows in from the bottom. The hot water flowing in from the bottom is heated and then flows out from the top.

[0021] In this embodiment, a hot water outlet 4 and a cold water inlet 2 are respectively provided at the upper and lower ends of the receiving cavity, and a cold water baffle 3 is provided near the cold water inlet 2. After adding the cold water baffle 3, the entire receiving cavity is divided into a cold water cavity 12 and a mixing cavity 13. In this embodiment, the cold water inlet 2 is provided on the side of the cold water cavity 12, so that cold water flows into the cold water cavity 12 from one side and then impacts the other side of the cold water cavity 12, so that a vortex-shaped cold water flow trajectory is formed in the cold water cavity 12, thereby causing the cold water to locally converge at the vortex, reducing its tendency to flow upward for mixing, and avoiding interference with the hot water temperature at the top hot water outlet 4 from the side.

[0022] To ensure a continuous supply of hot water in the mixing chamber after the hot water flows out, cold water needs to be slowly introduced. Therefore, a gap is formed between the cold water baffle 3 and the boiler body 1, through which the cold water chamber 12 and the mixing chamber 13 communicate. When the hot water flows out, cold water flows into the mixing chamber through the gap, overflowing and then flowing back into the mixing chamber, where it mixes slowly with the hot water.

[0023] In this embodiment, to complete the heating, a heating pipe 5 is arranged in the direction of the cold water baffle 3 towards the cold water chamber 13. During heating by the heating pipe 5, from top to bottom, the temperature of the top of the mixing chamber 13 is the highest, followed by the temperature of the middle and lower part of the mixing chamber 13, and the temperature of the cold water chamber 12 is the lowest. In this embodiment, on the one hand, the density difference is used to make the hot water distributed at the top, so that the hot water at the expected temperature flows out. On the other hand, the setting of the cold water baffle temporarily isolates the cold water, reducing the mixing efficiency. At this time, the cold water chamber is full of cold water with a high density and is located at the bottom. Then, the middle and lower part of the mixing chamber contains both hot water and overflowing cold water, ensuring good mixing.

[0024] To create a better vortex shape, in this embodiment, the water enters vertically from the side of the cold water inlet. To increase the momentum and tendency for subsequent vertical flow, an inlet pipe 14 perpendicular to the boiler body 1 is provided at the cold water inlet 2. The inlet pipe 14 forms a vertical guiding trajectory for the cold water as it enters. In this embodiment, the length of the inlet pipe 14 is relatively long, not less than 5 mm, so that there is already a certain lateral flow tendency before entering, and the flow is also lateral in the cold water chamber, which facilitates the formation of a vortex.

[0025] To achieve better flow, the vertical guide track is located in the upper middle part of the cold water chamber 12. Cold water is vertically guided into the cold water chamber 12 via the guide track and impacts the other side, forming a backflow trend towards the cold water inlet. Positioning it in the upper middle part, rather than the lower part, provides momentum for the downward flow of cold water due to gravity and other factors. Consequently, some of the laterally flowing cold water falls to the bottom of the cold water chamber 12 due to gravity, while the other part, after impacting the water laterally, flows in the opposite direction, impacting the downward-moving cold water under gravity and forming vortices.

[0026] To make full use of space, in this embodiment, the volume of the cold water chamber 12 accounts for 8%-12% of the total volume of the accommodating chamber. In this embodiment, the volume of the cold water chamber 12 accounts for about 10% of the total volume. The boiler body 1 mainly produces hot water, and at this time, the majority of the water is hot water. Only during use does some hot water flow out, and then cold water needs to be added. Therefore, its volume only accounts for 10%, which can make more reasonable use of the volume and make full use of the hot and cold water.

[0027] In this embodiment, several support points are provided at the edges of the cold water baffle 3, and several support plates 6 form local support at the bottom of the cold water baffle 3 through these support points. In this embodiment, the local support, rather than a full-circle support, maximizes the volume of the cold water cavity at the bottom to ensure a sufficient supply of cold water. In this embodiment, to fully utilize space and ensure overall strength, the cold water baffle 3 is located above the water inlet 2 within the transition cavity, and the water inlet 2 is offset from the support points. This offset arrangement allows the water inlet 2 to enter the boiler body 1 from the side, at a height lower than the cold water baffle 3, facilitating entry into the cavity. The offset from the support points prevents the incoming water pressure from impacting the support points, ensuring the stability of the support.

[0028] In this embodiment, the trajectory of the cold water entering through the cold water inlet 2 in the cold water chamber 12 is offset from the support point. In this embodiment, to fully utilize space and ensure overall strength, the cold water baffle 3 is located above the inlet 2 within the transition chamber, and the inlet 2 is offset from the support point. This offset arrangement allows the water inlet 2 to enter the boiler body 1 from the side, and the entry height is lower than the cold water baffle 3, facilitating entry into the chamber. The offset from the support point prevents the water's entry pressure from impacting the support point, ensuring the stability of the support.

[0029] To ensure stable heating by the heating element 5, the heating element 5 is fixed to the cold water baffle 3 by the fixing member 11. Cold water overflowing into the cold water baffle 3 through the gap forms several outward-expanding paths through the heating element 5, flowing towards both sides and away from the cold water inlet 2. In this embodiment, for example, if the cold water inlet 2 is located at the middle left side of the boiler body 1, the heating element 5 forms a trajectory from left to right, and the trajectory direction is an outward-expanding path from the cold water inlet 2 towards the front and rear sides of the boiler body 1, thus avoiding the accumulation of cold water at the cold water inlet 2.

[0030] In this embodiment, since the heating pipe 5 is laid on the cold water baffle 3, the heating pipe 5 forms a buffer zone along the cold water baffle 3 to buffer the water flow on the cold water baffle 3. In this embodiment, the heating pipe 5 is designed to be distributed, so that there is also a transition between adjacent heating pipes 5, thus the water flow is blocked to a certain extent, and the dispersion effect is good.

[0031] In this embodiment, to ensure better heating of the boiler body 1, a recessed assembly cavity is formed on the side of the boiler body 1. From top to bottom, the assembly cavity is sequentially equipped with a first temperature sensor 7, a first liquid level probe 8, at least two heating pipe interfaces 9, and a cold water inlet 2. A second temperature sensor 10 is arranged between the two heating pipe interfaces 9. In this embodiment, a hot water outlet 4 and a second liquid level probe 15 are arranged on the upper part of the boiler body 1. In this embodiment, the second liquid level probe 15 detects the liquid level in the boiler body to prevent hot water from failing to flow out. For better control, in this embodiment, the boiler control unit is connected to the temperature sensor 10, the first liquid level probe 8, and the heating pipes 5. When the first liquid level probe 8 senses cold water, the cold water has reached a certain volume and can be heated. Then, the heating pipes 5 start heating. When the temperature sensor 10 reaches the set temperature, the cold water at the bottom of the mixing chamber has been heated, indicating that the set temperature has been reached, and the heating pipes 5 can stop heating. In this embodiment, the use of a cold water baffle not only achieves slow mixing of hot and cold water, but also enables automatic heating control, achieving multiple benefits in one go.

[0032] In this embodiment, due to the recessed design, the temperature sensor 7, the first liquid level probe 8, the water inlet 2, and the heating pipe interface 9 can be hidden and will not protrude from the side of the boiler body 1. A cover can also be added to cover the recess, thereby increasing the aesthetics of the appearance.

[0033] For better heating, the two ends of the heating tube 5 are connected to the heating tube interface 9, forming a serpentine coil on the cold water baffle, and the heating tube 5 located in the middle position is fixed by the fixing member 11.

[0034] In this embodiment, the heating tube 5 extends from the first end of the cold water baffle 3 near the heating tube interface 9 to the second end away from the heating tube interface 9, forming several heat dissipation trajectories, which eventually converge near the heating tube interface 9. In this embodiment, the heating tube 5 disperses from left to right and then returns to the left to converge, allowing the two heating tubes to be connected and forming a good cold water or water flow buffer path.

[0035] In this embodiment, the heat dissipation trajectories that are close to converging are fixed together by fasteners 11. In this embodiment, the heating tube forms a total of 5 transverse heat dissipation trajectories from left to right, and the middle 2 are fixed by fasteners 11, which increases the stability and firmness of the assembly.

[0036] In this embodiment, the temperature difference between hot and cold water is cleverly utilized so that the boiler used for the beverage support can provide hot water at a suitable temperature, thereby improving the efficiency of beverage preparation.

[0037] The detailed descriptions listed above are merely specific descriptions of feasible implementations of this utility model, and are not intended to limit the scope of protection of this utility model. All equivalent implementations or modifications made without departing from the spirit of this utility model should be included within the scope of protection of this utility model.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0039] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A boiler for a tea maker, characterized by, include, The boiler body forms a receiving cavity, and the upper and lower ends of the receiving cavity are respectively provided with a hot water outlet and a cold water inlet, as well as a cold water baffle near the cold water inlet; The cold water baffle divides the receiving cavity into a cold water cavity and a mixing cavity. The cold water entering from the cold water inlet on one side of the cold water cavity impacts the other side of the cold water cavity, causing a vortex-shaped cold water flow trajectory to form inside the cold water cavity. A gap is formed between the cold water baffle and the boiler body, and the cold water chamber and the mixing chamber are connected through the gap; The cold water baffle is equipped with heating pipes facing the cold water chamber. During heating, the temperature at the top of the mixing chamber is the highest, followed by the lower part of the mixing chamber, and the temperature in the cold water chamber is the lowest.

2. A boiler for a tea making machine according to claim 1, characterized in that, The cold water inlet is equipped with an inlet pipe perpendicular to the boiler body, which forms a vertical guide trajectory for the cold water as it enters.

3. A boiler for a tea making machine according to claim 2, characterised in that The vertical guide track is located in the upper middle part of the cold water chamber. The cold water is vertically guided into the cold water chamber through the vertical guide track and impacts the other side, forming a backflow trend towards the cold water inlet.

4. A boiler for a tea making machine according to claim 1, characterized in that, The volume of the cold water chamber accounts for 8%-12% of the total volume of the accommodating cavity.

5. A boiler for a tea making machine according to claim 1, characterized in that, Several support points are provided at the edges of the cold water baffle, and several support plates form local support at the bottom of the cold water baffle through the support points.

6. A boiler for a tea making machine according to claim 5, characterised in that In the cold water chamber, the trajectory of the cold water entering from the cold water inlet is offset from the support point.

7. A boiler for a tea making machine according to claim 1, characterized in that The heating tube is fixed to the cold water baffle by a fastener. The cold water that overflows into the cold water baffle through the gap forms several outward-expanding paths that flow to both sides and away from the cold water inlet through the heating tube.

8. A boiler for a tea making machine according to claim 7, characterised in that The side of the boiler body is recessed to form an assembly cavity. From top to bottom, the assembly cavity is provided with a first temperature sensor, a first liquid level probe, at least two heating pipe interfaces and a cold water inlet, and a second temperature sensor is provided between the two heating pipe interfaces.

9. A boiler for a tea making machine according to claim 7, characterized in that, The two ends of the heating tube are connected to the heating tube interface, forming a serpentine coil on the cold water baffle, and the heating tube located in the middle position is fixed by the fixing component.

10. A boiler for a tea making machine according to claim 8, characterized in that, It also includes a control unit, which is connected to a temperature sensor, a first liquid level probe and a heating tube respectively. When the first liquid level probe senses cold water, the heating tube starts heating. When the temperature sensor reaches the set temperature, the heating tube stops heating.