Instant heating type coffee machine heating body

Abstract

An instant heating type coffee machine heating body comprises a shell and a heating mechanism, the heating mechanism comprises a first heating pipe and a second heating pipe which are different in power and a water pipe with a water inlet and a water outlet which extend out of the shell respectively, and the first heating pipe and the second heating pipe are arranged in the shell. The water pipe is wound on the first heating pipe and the second heating pipe, cold water enters the water pipe from the water inlet and is heated into hot water to flow out from the water outlet, the water pipe is wound on the two heating pipes with different powers, and the two low-power heating pipes are used for replacing a single high-power heating pipe, so that the purpose of rapid heating is achieved. Meanwhile, when the temperature is adjusted, the control system can respectively control the working states of the two heating pipes, so that the heating body achieves the purpose of rapid heating, the heating pipe with higher power continues to work, the temperature change of the heating pipes is realized by controlling the frequent on-off of the heating pipe with lower power, and the accurate temperature control of the heating body is achieved.

Description

Technical Field

[0001] This utility model relates to the field of heating element technology, and in particular to a heating element for an instant coffee machine. Background Technology

[0002] A coffee machine mainly consists of a heating element and a control system. The control system can control the temperature of the heating element in the heating element by adjusting the voltage. Most instant coffee machines on the market currently use a single heating element (1300W and below). However, the heating power of a single heating element is generally low (1300W and below), which results in a long coffee heating time, a rapid temperature drop when continuously serving coffee, large temperature fluctuations, and unstable serving temperature.

[0003] When adjusting the temperature of a high-power single heating element (1700W or above), the control system controls the temperature change of the heating element in the heating body by adjusting the voltage. However, when the control system frequently adjusts the heating element with a power of 1300W or above, the changing voltage will generate a large amount of electromagnetic interference. This excessive electromagnetic interference will affect the EMC product certification of the coffee machine, which is not conducive to the export sales of the product.

[0004] Therefore, existing technologies still need improvement. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a heating element for an instant coffee machine that has the advantages of precise temperature control and rapid heating, so as to overcome the shortcomings of the prior art.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0007] A heating element for an instant coffee machine includes a housing and a heating mechanism. The heating mechanism includes a first heating element and a second heating element with different powers, and a water pipe with an inlet and an outlet extending out of the housing. The first heating element and the second heating element are disposed inside the housing. The water pipe is wound around the first heating element and the second heating element. Cold water enters the water pipe from the inlet and is heated to become hot water that flows out from the outlet.

[0008] Furthermore, both the first heating element and the second heating element are U-shaped tubes, arranged side by side, with the water pipe spirally coiled around the first heating element and the second heating element.

[0009] Furthermore, both the first heating element and the second heating element are straight pipes, arranged side by side, and the water pipe is spirally wound around the first heating element and the second heating element in a spring-like manner.

[0010] Furthermore, the housing is a cast aluminum housing, and the housing, the first heating element, the second heating element, and the water pipe are integrally cast.

[0011] Furthermore, the heating mechanism also includes a third heating element, which is arranged side by side with the first heating element and the second heating element.

[0012] The above technical solution has the following beneficial effects:

[0013] This invention involves wrapping a water pipe around two heating elements of different power, replacing a single high-power heating element with two low-power heating elements to achieve rapid heating. Furthermore, when adjusting the temperature, the control system can independently control the operating state of the two heating elements, allowing the higher-power heating element to continue operating while frequently switching the lower-power heating element on and off to achieve precise temperature control of the heating element. Attached Figure Description

[0014] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0015] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0016] Figure 1 This is a schematic diagram of the heating element structure of an instant coffee machine according to the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of an instant coffee machine heating element after the outer casing has been removed.

[0018] Figure 3 This is a schematic diagram of the structure of Example 2;

[0019] Figure 4 This is a schematic diagram of the structure of Example 3.

[0020] In the diagram: 1. Shell; 2. First heating element; 3. Second heating element; 4. Water inlet; 5. Water outlet; 6. Water pipe; 7. Third heating element. Detailed Implementation

[0021] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] See Figures 1-4 As shown, this utility model discloses a heating element for an instant coffee machine.

[0023] Please see Figures 1-2 A heating element for an instant coffee machine includes a housing 1 and a heating mechanism. The heating mechanism includes a first heating element 2 and a second heating element 3 with different powers, and a water pipe 6 with an inlet 4 and an outlet 5 extending out of the housing 1 respectively. The first heating element 2 and the second heating element 3 are arranged side by side inside the housing 1. The water pipe 6 is spirally wound around the first heating element 2 and the second heating element 3. Cold water enters the water pipe 6 from the inlet 4, is heated by the first heating element 2 and the second heating element 3, and then becomes hot water that flows out from the outlet 5.

[0024] In this utility model, a single high-power heating element is replaced by a first heating element 2 and a second heating element 3, which have lower power. This allows the total power of the integrated first heating element 2 and the second heating element 3 to reach the power required for heating hot water. As a result, the heating element not only has the advantages of short heating time and rapid heating, but also allows the heating element to control the working state of the first heating element 2 and the second heating element 3 through a control system. This ensures that the first heating element 2 maintains heating, while the second heating element 3 finely adjusts its heating power and time according to the required temperature, providing a continuous and stable heat supply to the heating element and achieving precise temperature control.

[0025] Specifically, in this invention, cold water enters the heating element through the inlet. The first heating element (e.g., 1200W) and the second heating element (e.g., 600W) heat simultaneously at full power. When the water temperature is close to the set temperature (e.g., from a set temperature of 92°C to 88°C), the higher-powered first heating element continues to operate, while the lower-powered second heating element finely adjusts its heating power according to the required temperature, using the lowest possible total heating power to bring the water temperature to the set temperature. At this time, the control system only needs to adjust the heating power of the lower-powered second heating element (600W) when adjusting the power. Therefore, the power variation does not exceed 1300W, and the voltage of the heater will not generate significant electromagnetic interference, thus not affecting the product's EMC certification.

[0026] When the heater reaches the set temperature and is in standby mode, the two heating elements alternate heating or the first heating element heats continuously while the second heating element frequently switches on and off according to the changes in the water temperature in the water pipe to reach the set temperature. This makes the temperature control of the heater more precise and the output temperature more stable, and the heating element can provide a continuous and stable heat supply.

[0027] When the user changes the set temperature and cooling is required, the first and second heating elements adjust their working states according to the required temperature reduction. That is, when the temperature reduction is large, the first heating element stops working and the second heating element changes its heating power to reach the set temperature. When the temperature reduction is small, the second heating element stops working and the first heating element changes its heating power to reach the set temperature.

[0028] Example 1: See Figure 2 The first heating tube 2 and the second heating tube 3 are both U-shaped tubes, and the first heating tube 2 and the second heating tube 3 are arranged side by side. One end of the water pipe 6 is led out as a water inlet 4, and the water pipe is spirally coiled around the first heating tube 2 and the second heating tube 3, with one end led out to the right as a water outlet 5.

[0029] Example 2: See Figure 3 The first heating element 2 and the second heating element 3 are both straight pipes. The water pipe 6 is spirally wound around the first heating element 2 and the second heating element 3 in a spring shape. One end of the water pipe 6 is led out as a water inlet 4. The water pipe is spirally wound around the first heating element 2 and the second heating element 3, and one end is led out to the right as a water outlet 5.

[0030] Furthermore, the housing 1 is a cast aluminum housing. The housing 1, the first heating element 2, the second heating element 3, and the water pipe 6 are integrally cast to ensure the stability of the heating element and the water pipe position. At the same time, the cast aluminum material has good heat insulation effect and can effectively block the exchange of hot and cold air, thereby achieving the effect of heat preservation.

[0031] Example 3, see Figure 4 The instant coffee heating element also includes a third heating element 7, which is arranged side-by-side inside the housing 1. The heating mechanism consists of a greater number of heating elements, resulting in a higher total heating power and enabling cold water to be heated more quickly, saving time. Alternatively, the heating mechanism can be composed of more low-power heating elements while maintaining the same total heating power, allowing for more precise temperature control and more stable output temperature.

[0032] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A heating element for an instant coffee machine, comprising a housing (1) and a heating mechanism, characterized in that: The heating mechanism includes a first heating tube (2) and a second heating tube (3) with different powers, and a water pipe (6) with an inlet (4) and an outlet (5) extending out of the housing (1) respectively. The first heating tube (2) and the second heating tube (3) are arranged inside the housing (1). The water pipe (6) is wrapped around the first heating tube (2) and the second heating tube (3). Cold water enters the water pipe (6) from the inlet (4) and becomes hot water after heating, which flows out from the outlet (5).

2. The heating element of an instant coffee machine according to claim 1, characterized in that: The first heating tube (2) and the second heating tube (3) are both U-shaped tubes. The first heating tube (2) and the second heating tube (3) are arranged side by side. The water pipe (6) is spirally coiled around the first heating tube (2) and the second heating tube (3).

3. The heating element of an instant coffee machine according to claim 1, characterized in that: The first heating tube (2) and the second heating tube (3) are both straight tubes. The first heating tube (2) and the second heating tube (3) are arranged side by side. The water pipe (6) is wound in a spring-like spiral around the first heating tube (2) and the second heating tube (3).

4. The heating element of an instant coffee machine according to claim 2 or 3, characterized in that: The shell (1) is a cast aluminum shell, and the shell (1), the first heating tube (2), the second heating tube (3) and the water pipe (6) are integrally cast.

5. The heating element of an instant coffee machine according to claim 4, characterized in that: The heating mechanism also includes a third heating tube (7), which is arranged side by side with the first heating tube (2) and the second heating tube (3).

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