CN110680195A

CN110680195A - Heater of coffee machine

Info

Publication number: CN110680195A
Application number: CN201910184796.3A
Authority: CN
Inventors: 钱锋; 谷增锋; 俞瑜; 骆以通
Original assignee: Hangzhou Heatwell Mechanical & Electrical Co Ltd
Current assignee: Hangzhou Heatwell Mechanical & Electrical Co Ltd
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-01-14

Abstract

The invention discloses a heater, and provides a coffee machine heater which is simple, compact and reasonable in structure, can obviously improve the heating efficiency, and has a good heating effect, and solves the technical problems that the heater in the prior art has low heating efficiency and poor heating effect, can only meet the water temperature requirement by prolonging the lengths of a heating pipe and a water pipe, leads to large integral thickness of the heater, and restricts the miniaturization development of a coffee machine.

Description

Heater of coffee machine

Technical Field

The invention relates to a heater, in particular to a coffee machine heater which is simple, compact and reasonable in structure, capable of obviously improving heating efficiency and good in heating effect.

Background

The coffee machine needs to heat cold water by a heater, and the cold water is heated to a set temperature to meet the brewing taste requirement of coffee. The existing coffee machine heater generally comprises a heat conductor, a heating pipe and a water pipe which are inserted in the heat conductor, the heating pipe and the water pipe are spirally raised, the heating pipe is coaxially inserted in a spiral middle hole of the water pipe, the heating efficiency is low and the heating effect is poor due to the fact that the outer ring of the heating pipe heats the inner ring surface of the water pipe, therefore, in order to meet the requirement of brewing water temperature, the water temperature is often improved through the spiral rising length of the heating pipe and the water pipe, the whole thickness of the heater cannot be reduced, the occupied space is large, and the development of the coffee machine to miniaturization is restricted.

Disclosure of Invention

The invention mainly provides a coffee machine heater which is simple, compact and reasonable in structure, can obviously improve the heating efficiency and has a good heating effect, and solves the technical problems that the heating efficiency of the heater is low, the heating effect is poor, the water temperature requirement can be met only by prolonging the lengths of a heating pipe and a water pipe, the integral thickness of the heater is large, the miniaturization development of a coffee machine is restricted and the like in the prior art.

The technical problem of the invention is mainly solved by the following technical scheme: the utility model provides a coffee machine heater, includes the heat conductor and the heating pipe of intercrossing in the heat conductor of mutually supporting the water pipe and back water pipe before being equipped with respectively in the heat conductor that the heating pipe both sides correspond, preceding water pipe and back water pipe all buckle and are the helix form, and just the corresponding interior dead point port link up continuously on preceding water pipe and the back water pipe, and the corresponding exterior dead point port on preceding water pipe and the back water pipe extends to outside the heat conductor respectively. The front and the rear water passing pipes are respectively arranged at the front and the rear sides of the heating pipe in the heat conductor, the front and the rear water passing pipes are bent in a spiral shape in an annular manner, the corresponding inner dead point ports at the middle parts of the front and the rear water passing pipes are communicated and connected, the outer dead point ports respectively extend out of the heat conductor to form a water inlet and a water outlet, cold water enters from the water inlet and flows out from the water outlet, and water flows through the front water passing pipe and the rear water passing pipe in sequence during use; meanwhile, as the water flow passes through the process that the radius of the water flow is changed from large to small and then from small to large, a turbulent flow state is automatically formed in the flowing process, the uniform mixing and constant water temperature of the water flow are ensured when the water flow flows out, and the service performance of the coffee machine is indirectly ensured; the water pipe is changed into a plane superposition shape from a traditional spiral rising shape, the parallel clamping of the heating pipes is performed between planes formed by the front and rear water passing pipes, the structure is simple, the layer height is greatly reduced, the space structure is more compact and reasonable, and the coffee machine is convenient for miniaturization design.

Preceding, back water pipe can adopt split type, and the transition connection is realized to rethread middleware, as preferred, preceding water pipe and back water pipe formula as an organic whole are connected. The front and rear water passing pipes are in an integrated structure, so that the strength is high, the phenomena of leakage and the like are not easy to generate, and the use safety and reliability are improved.

Preferably, the heating pipe, the front water pipe and the rear water pipe are integrated with the heat conductor. When the heating pipe, the front and the rear water pipes and the heat conductor are integrated, the surfaces of the heating pipe, the front and the rear water pipes and the heat conductor are in gapless contact, so that the heat loss of the heating pipe is reduced, the heat conduction effect of the heat conductor is improved, and the heating efficiency is ensured.

Preferably, the front water passing pipe and the rear water passing pipe are parallel and are distributed on two sides of the heating pipe in a centrosymmetric manner. The heating pipes are clamped between the front water passing pipe and the rear water passing pipe in parallel and keep the same distance with the front water passing pipe and the rear water passing pipe, and the heating pipes mainly ensure that water flow is heated uniformly, so that the temperature of outlet water is uniform and constant.

The front and rear water passing pipes may be welded after being butted, and preferably, the front and rear water passing pipes are formed by bending a metal pipe. The integral water pipe is formed by bending one metal pipe, so that the strength is high, the leakage points are few, and the forming and processing are convenient.

Preferably, the heating pipe is bent back and forth on the bisector surface of the front water passing pipe and the rear water passing pipe. According to the design requirement, the heating pipe can be bent into various shapes to improve or enhance the heating effect, so that the front and rear water passing pipes are heated uniformly.

Preferably, the outer ring shape of the front and rear water passing pipes is matched with the shape of the heating pipe. The shapes of the front and rear water passing pipes are matched with the shape of the heating pipe so as to improve the heating efficiency of the front and rear water passing pipes.

Preferably, the inlet and outlet of the heating pipe, and the outer dead center ports of the front water passing pipe and the rear water passing pipe are located on the same side end face of the heat conductor. The ports of the three are positioned on the end surface of the same side of the heat conductor, thus being easy to arrange the water inlet and outlet pipelines and the heating pipelines, saving the installation space and leading the whole machine to be arranged compactly and reasonably.

Preferably, the heat conductor is a die casting. The die-casting forming has simple process, the front and the rear water passing pipes are firmly fixed with the heating pipe, the heat conducting performance is good, and the heat efficiency is high.

Preferably, the front water passing pipe and the rear water passing pipe are respectively and flatly attached to two sides of the heating pipe. The front and rear water passing pipes are flatly attached to the heating pipe, so that the thickness of the heat conductor is reduced to the maximum, the installation space of the coffee machine is saved, the heat loss can be reduced, and the heating efficiency is improved.

Therefore, the coffee machine heater of the invention has the following advantages:

1. the electric heating pipe is positioned in the middle, and the front and the back adopt spiral water passing pipes, so that double surfaces are heated, the conception is ingenious, the heating efficiency is high, and the effect is good;

2. under the condition of the same length of the water pipe, the heater of the coffee machine is smaller and has compact structure;

3. symmetrical heating, uniform heating and uniform and constant outlet water temperature;

4. and the integrated design is adopted, and the safety and reliability are high.

Description of the drawings:

FIG. 1 is a schematic view of the present invention with the thermal conductor removed;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view showing the construction of front and rear water pipes according to the present invention;

FIG. 4 is a schematic view of a first embodiment of a heating tube according to the present invention;

FIG. 5 is a schematic view of a second embodiment of a heating tube according to the present invention;

FIG. 6 is a schematic view of a third embodiment of a heating tube according to the present invention;

the specific implementation mode is as follows:

the technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example 1:

as shown in fig. 2, a heater for a coffee machine of the present invention comprises a heat conductor 1 in the shape of an aluminum rectangular parallelepiped, the heating pipe 2 is inserted in the middle of the end face of the heat conductor 1 along the length direction, as shown in fig. 4, the heating pipe 2 is bent to form a U shape on the middle split surface of the heat conductor 1 along the thickness direction, the opening end of the U-shaped heating pipe 2 extends outwards and inwards to the outside of the end face of the heat conductor 1, the bottom is bent to the opening direction to form an inverted U shape, so that a fixed gap is formed between the outer circumferential surfaces of the heating pipes 2 to ensure more uniform heating, as shown in fig. 1 and 3, a front water passing pipe 3 and a rear water passing pipe 4 are respectively arranged in the heat conductors 1 corresponding to the two sides of the heating pipe 2, the front water passing pipe 3 and the rear water passing pipe 4 have the same size and shape and are kept parallel, and are distributed in central symmetry at the two sides of the heating pipe 2, meanwhile, the shapes of the outer rings of the front water passing pipe 3 and the rear water passing pipe 4 are matched with the shape of the heating pipe 2. The front water passing pipe 3 and the rear water passing pipe 4 are bent to be in a spiral line shape, the front water passing pipe 3 and the rear water passing pipe 4 are formed by bending a stainless steel pipe, the front water passing pipe 3 and the rear water passing pipe 4 are connected in a seamless integrated mode, corresponding outer dead center ports of the front water passing pipe 3 and the rear water passing pipe 4 respectively extend out of end faces of the heat conductor 1 corresponding to an inlet and an outlet of the heating pipe 2, the outer dead center ports of the front water passing pipe 3 and the rear water passing pipe 4 are close to end faces of the heat conductor 1 in the width direction, the inlet and the outlet of the heating pipe 2 are located between the outer dead center ports of the front water passing pipe 3 and the rear water passing pipe 4, the front water passing pipe 3, the rear water passing pipe 4 and the heating pipe 2 are all made of copper pipes, the three are fixed in the heat conductor 1 in a die-casting mode.

Example 2:

as shown in fig. 5, the heating pipe 2 is folded in half and then bent to form a spiral shape, corresponding inner dead point ports of the front water pipe 3 and the rear water pipe 4 are butted after penetrating through a middle gap of the heating pipe 2, the inner dead point ports on two sides are butted and then are connected in a through manner by keeping an integrated manner through annular welding, meanwhile, the thickness of the heat conductor 1 is reduced to the maximum extent, and heat loss is reduced, the front water pipe 3 and the rear water pipe 4 are respectively and flatly attached to the front side surface and the rear side surface of the heating pipe 2, so that the heating pipe 2 is clamped and fixed between the front water pipe 3 and the rear water pipe. The rest is exactly the same as in example 1.

Example 3:

as shown in fig. 6, the heating pipe 2 is bent into a spiral shape, the outer dead point port of the heating pipe extends out of the end surface of the heat conductor 1 corresponding to the outer dead point ports of the front water passing pipe 3 and the rear water passing pipe 4, and the inner dead point port vertically passes through the gap between the outer annular surfaces of the front water passing pipe 3 and the rear water passing pipe 4 and extends out of the heat conductor 1. The rest is exactly the same as in example 1.

The specific embodiments described herein are merely illustrative of the principles of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides a coffee machine heater, includes heat conductor (1) and mutually supports heating pipe (2) of interlude in heat conductor (1), its characterized in that: the heat conductor (1) that heating pipe (2) both sides correspond is equipped with preceding water pipe (3) and back water pipe (4) respectively in, and preceding water pipe (3) and back water pipe (4) are all buckled and are the helix form, and just correspond on preceding water pipe (3) and the back water pipe (4) the interior dead point port link up and link to each other, and the outer dead point port that corresponds on preceding water pipe (3) and the back water pipe (4) extends to outside the heat conductor (1) respectively.

2. A coffee machine heater according to claim 1, characterized in that: the front water passing pipe (3) and the rear water passing pipe (4) are connected in an integrated manner.

3. A coffee machine heater according to claim 1, characterized in that: the heating pipe (2), the front water pipe (3) and the rear water pipe (4) are integrated with the heat conductor (1).

4. A coffee machine heater according to claim 1, characterized in that: the front water passing pipe (3) is parallel to the rear water passing pipe (4), and the front water passing pipe and the rear water passing pipe are distributed on two sides of the heating pipe (2) in a centrosymmetric manner.

5. A coffee machine heater according to claim 1, characterized in that: the front water passing pipe (3) and the rear water passing pipe (4) are formed by bending a metal pipe.

6. A coffee machine heater according to claim 1, characterized in that: the heating pipe (2) is bent on the middle section surface of the front water passing pipe (3) and the rear water passing pipe (4) in a reciprocating mode.

7. A coffee machine heater according to claim 1, characterized in that: the shapes of the outer rings of the front water passing pipe (3) and the rear water passing pipe (4) are matched with the shape of the heating pipe (2).

8. A coffee machine heater according to claim 1, characterized in that: the inlet and outlet of the heating pipe (2), and the outer dead point ports of the front water passing pipe (3) and the rear water passing pipe (4) are positioned on the same side end face of the heat conductor (1).

9. A coffee machine heater according to claim 1, characterized in that: the heat conductor (1) is a die casting.

10. A coffee machine heater according to claim 1, characterized in that: the front water pipe (3) and the rear water pipe (4) are respectively and flatly attached to two sides of the heating pipe (2).