Instant heating device for brewing water of coffee machine and instant heating coffee brewing machine

Abstract

The utility model discloses a brewing water quick-heating device of a coffee machine and an instant-heating brewing coffee machine. The quick heating device comprises an insulating shell assembly, a central supporting column (1), a spiral flow guide and heat conduction piece (2) and a metal heating cylinder (3), the spiral flow guide and heat conduction piece (2) and a spiral groove (11) of the central supporting column (1) are connected and arranged in the metal heating cylinder (3) together, and a spiral flow guide flow channel (90) is formed between adjacent fins of the spiral flow guide and heat conduction piece (2), the outer wall of the central supporting column (1) and the inner wall of the metal heating cylinder (3). The sealing sleeve (9) is inserted into the upper end and the lower end of the metal heating cylinder (3) in a sealed mode and is connected with the insulation shell assembly in a sealed mode, the insulation shell assembly is provided with a cold water inlet (71) and a hot water outlet (81) and is communicated with the spiral flow guide flow channel (90), an electric heating device (31) is arranged on the outer wall of the metal heating cylinder (3), and water flowing through the spiral flow guide flow channel (90) is rapidly heated through the metal heating cylinder (3) and the spiral flow guide heat conduction piece (2).

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee brewing accessories, concretely relates to a coffee machine brewing water speed heating device, in addition, the utility model also relates to coffee brewing electric appliances, concretely relates to a instant brewing coffee machine. BACKGROUND

[0002] Coffee is one of the three major beverages in the world. In the prior art, the main use scene of coffee brewing appliances is the desktop of family or office, which is connected with the mains through a power cord and uses hot water and coffee powder, powder bag, coffee capsule to brew coffee.

[0003] The existing coffee machine usually heats water in a water tank by an electric heating tube, and then sends the water into a brewing bin to brew coffee after the water reaches the temperature requirement. This way of heating water is slow because the whole water tank is heated, and coffee can not be brewed until the hot water is prepared, which leads to a long brewing time. Moreover, this way of heating water is inefficient and high in energy consumption. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of overcoming the prior art, and provides a coffee machine brewing water speed heating device which is fast, efficient and low in average energy consumption. The coffee machine brewing water speed heating device can provide high-temperature hot water when needed, and the water is instant hot water.

[0005] The utility model also provides an instant brewing coffee machine which does not need to wait for the preparation of hot water.

[0006] The utility model discloses a coffee machine brewing water speed heating device adopts the technical scheme: the utility model discloses a coffee machine brewing water speed heating device includes insulating shell subassembly, center support column, spiral flow guide heat conduction sheet, metal heating cylinder, sealing sleeve, the outer wall of center support column is equipped with spiral groove, at least one end of center support column is closed, spiral flow guide heat conduction sheet with spiral groove is adapted to connect, to make spiral flow guide heat conduction sheet with center support column is connected fixedly, center support column is together with spiral flow guide heat conduction sheet and is placed in the inner chamber of metal heating cylinder, the outer edge of spiral flow guide heat conduction sheet with the inner wall of metal heating cylinder adapts to connect, to make the adjacent fin of spiral flow guide heat conduction sheet with the outer wall of center support column and the inner wall of metal heating cylinder form spiral flow channel from below to top, two sealing sleeve are sealed and inserted into the upper and lower port of metal heating cylinder respectively, and are sealed and connected with the top and bottom of insulating shell subassembly respectively, the bottom of insulating shell subassembly is equipped with cold water inlet, and the top is equipped with hot water outlet, and is connected with spiral flow channel through the center hole of two sealing sleeve respectively, the outer wall of metal heating cylinder is equipped with electric heating device, is used for heating metal heating cylinder, and through metal heating cylinder and spiral flow guide heat conduction sheet, the water in spiral flow channel is heated quickly.

[0007] The electric heating device is a film-coated heating resistor, the film-coated heating resistor is spirally wrapped and densely arranged on the outer wall of the metal heating cylinder, and the outer wall of the metal heating cylinder is provided with a conductive clamp at each end and electrically connected with both ends of the film-coated heating resistor.

[0008] The conductive clamp includes a wiring portion for connecting a power line to supply power to the film-coated heating resistor.

[0009] The insulating shell assembly includes a first half shell, a second half shell, a bottom cover, and a top cover, the first half shell and the second half shell are oppositely connected and fixed, for wrapping and containing the metal heating cylinder inside, the bottom cover and the top cover are respectively connected and fixed to the bottom and the top of the first half shell and the second half shell, the bottom cover and the top cover are respectively sealed and connected with the two sealing sleeves, the cold water inlet is arranged on the bottom cover, and the hot water outlet is arranged on the top cover.

[0010] A temperature control switch hole is arranged on the second half shell for connecting a temperature control switch outside the metal heating cylinder.

[0011] The utility model discloses a instant brewing coffee machine adopts the technical scheme: the utility model discloses instant brewing coffee machine includes base, fuselage, water tank, brewing storehouse, finished coffee containing cup, micro water pump and coffee machine brewing water quick heating device, coffee machine brewing water quick heating device includes insulating shell subassembly, center support column, spiral flow guide heat conduction sheet, metal heating cylinder, sealing sleeve, the outer wall of center support column is equipped with spiral groove, at least one end of center support column is closed, spiral flow guide heat conduction sheet with spiral groove is matched and is connected, with spiral flow guide heat conduction sheet with center support column is connected fixed, center support column is together with spiral flow guide heat conduction sheet and is placed in the inner chamber of metal heating cylinder, the outer edge of spiral flow guide heat conduction sheet with the inner wall of metal heating cylinder is matched and is connected, with the outer wall of center support column and the inner wall of metal heating cylinder form spiral flow guide flow channel from below to top between the adjacent fin of spiral flow guide heat conduction sheet, two sealing sleeve are sealed and inserted into the upper and lower port of metal heating cylinder respectively, and are sealed and connected with the top and bottom of insulating shell subassembly respectively, the bottom of insulating shell subassembly is equipped with cold water inlet, and the top is equipped with hot water outlet, and is connected with spiral flow guide flow channel through the center hole of two sealing sleeve respectively, the outer wall of metal heating cylinder is equipped with electric heating device, is used for heating metal heating cylinder, and through metal heating cylinder and spiral flow guide heat conduction sheet, the water in spiral flow guide flow channel is heated quickly, the fuselage with bottom fixed connection, water tank sets up on the fuselage, brewing storehouse is in the air, and the side surface with water tank is fixedly connected, when finished coffee containing cup is placed on the base, the top inlet is connected with the bottom outlet of brewing storehouse, micro water pump with coffee machine brewing water quick heating device all sets up in the fuselage, the bottom of water tank is connected with the water inlet of micro water pump through main water inlet pipe, the water outlet of micro water pump is connected with the cold water inlet of coffee machine brewing water quick heating device through quick heating water inlet pipe, and the hot water outlet of coffee machine brewing water quick heating device is connected with brewing storehouse through quick heating water outlet pipe.

[0012] The electric heating device is a film-coated heating resistor, the film-coated heating resistor is spirally wrapped on the outer wall of the metal heating cylinder, and the outer wall of the metal heating cylinder is provided with a conductive clamp at each end and electrically connected with the two ends of the film-coated heating resistor.

[0013] The conductive clamp comprises a wiring portion for connecting a power line to supply power to the film-coated heating resistor.

[0014] The insulation shell assembly comprises a first half shell, a second half shell, a bottom cover, and a top cover, the first half shell is connected to the second half shell oppositely and fixedly, used for containing the metal heating cylinder, the bottom cover and the top cover are connected to the bottom and the top of the first half shell and the second half shell respectively, the bottom cover and the top cover are connected to the two sealing sleeves respectively, the cold water inlet is arranged on the bottom cover, and the hot water outlet is arranged on the top cover.

[0015] The second half shell is provided with a temperature control switch hole, used for connecting a temperature control switch outside the metal heating cylinder.

[0016] The coffee machine brewing water rapid heating device has the advantages that the coffee machine brewing water rapid heating device overcomes the defects and deficiencies of the prior art, the spiral downward flow channel is arranged, the sectional area of the water flow is greatly reduced, the heating of the metal heating cylinder is rapidly conducted to the water flow, meanwhile, the flow channel of the water flow is lengthened, the need of water quantity is met, the water of the whole water tank is converted into the slender flow channel to be rapidly heated, the speed of making hot water is high, the efficiency is high, the average energy consumption is low, the safety is high, the temperature of the made hot water is high, the coffee machine brewing water rapid heating and high-temperature needs are completely met, the coffee machine brewing water rapid heating device can provide high-temperature hot water when coffee is needed to be brewed, and the water is instant hot water.

[0017] Similarly, the instant brewing coffee machine also has the above-mentioned advantages, and is an instant brewing coffee machine without the need of waiting for making hot water. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the whole structure schematic diagram of the instant brewing coffee machine of the embodiment of the utility model;

[0019] Figure 2 is the partial structure schematic diagram of the coffee machine main body inside of the embodiment of the utility model instant brewing coffee machine;

[0020] Figure 3 is the whole structure schematic diagram of the coffee machine brewing water speed heating device of the embodiment of the utility model;

[0021] Figure 4 is the exploded structure schematic diagram of the coffee machine brewing water speed heating device of the embodiment of the utility model;

[0022] Figure 5 is the longitudinal section structure schematic diagram of the coffee machine brewing water speed heating device of the embodiment of the utility model. DETAILED DESCRIPTION

[0023] As shown in Figures 1-5 the utility model discloses instant brewing coffee machine includes base 10, fuselage 20, water tank 30, brewing bin 40, finished coffee containing cup 50, micro water pump 70 and coffee machine brewing water speed heating device 80, the fuselage 20 with the base 10 is fixedly connected, the water tank 30 sets up on the fuselage 20, the brewing bin 40 is suspended, and the side surface with the water tank 30 is fixedly connected, when the finished coffee containing cup 50 is placed on the base 10, the top inlet is connected with the bottom outlet of brewing bin 40, the micro water pump 70 with coffee machine brewing water speed heating device 80 all sets up in the fuselage 20, the bottom of water tank 30 is connected with the water inlet of micro water pump 70 through main water inlet pipe 100 and communicates, the water outlet of micro water pump 70 is connected with the cold water inlet 71 of coffee machine brewing water speed heating device 80 through speed hot water inlet pipe 200 and communicates, the hot water outlet 81 of coffee machine brewing water speed heating device 80 is connected into brewing bin 40 through speed hot water outlet pipe 300.

[0024] The coffee machine water brewing speed heating device 80 comprises an insulating shell assembly, a center support column 1, a spiral flow guide and heat conduction sheet 2, a metal heating cylinder 3, and a sealing sleeve 9. The outer wall of the center support column 1 is provided with a spiral groove 11. At least one end of the center support column 1 is closed to prevent water flow from flowing out directly through the inner cavity of the center support column 1. The spiral flow guide and heat conduction sheet 2 is connected with the spiral groove 11 to connect and fix the spiral flow guide and heat conduction sheet 2 with the center support column 1. The center support column 1 is placed in the inner cavity of the metal heating cylinder 3 together with the spiral flow guide and heat conduction sheet 2. The outer edge of the spiral flow guide and heat conduction sheet 2 is connected with the inner wall of the metal heating cylinder 3 to form a spiral downward flow channel 90 between the adjacent fins of the spiral flow guide and heat conduction sheet 2, the outer wall of the center support column 1, and the inner wall of the metal heating cylinder 3. Two sealing sleeves 9 are respectively inserted into the upper and lower ports of the metal heating cylinder 3 and are respectively connected with the top and bottom of the insulating shell assembly. The bottom of the insulating shell assembly is provided with a cold water inlet 71, and the top is provided with a hot water outlet 81. The cold water inlet 71 and the hot water outlet 81 are respectively connected with the spiral flow channel 90 through the center holes of the two sealing sleeves 9. The outer wall of the metal heating cylinder 3 is provided with an electric heating device 31 for heating the metal heating cylinder 3 and rapidly heating the water flowing through the spiral flow channel 90 through the metal heating cylinder 3 and the spiral flow guide and heat conduction sheet 2.

[0025] Further, the electric heating device 31 is a plated film heating resistor. The plated film heating resistor is spirally wrapped around the outer wall of the metal heating cylinder 3. The outer wall of the metal heating cylinder 3 is provided with a conductive clamp 6 at both ends to electrically connect with both ends of the plated film heating resistor. The conductive clamp 6 comprises a wiring part 61 for connecting a power line to supply power to the plated film heating resistor.

[0026] Specifically, the insulating shell assembly comprises a first half shell 4, a second half shell 5, a bottom cover 7, and a top cover 8. The first half shell 4 is connected with the second half shell 5 to wrap and contain the metal heating cylinder 3. The bottom cover 7 and the top cover 8 are respectively connected with the bottom and the top of the first half shell 4 and the second half shell 5. The bottom cover 7 and the top cover 8 are respectively connected with the two sealing sleeves 9. The cold water inlet 71 is arranged on the bottom cover 7, and the hot water outlet 81 is arranged on the top cover 8. The second half shell 5 is provided with a temperature control switch hole 51 for connecting a temperature control switch outside the metal heating cylinder 3 to facilitate control of the heating process, prevent overtemperature and dry burning, and play a protective role.

[0027] The coffee machine brewing water rapid heating device overcomes the defects and deficiencies of the prior art, the cross-sectional area of the water flow is greatly reduced by setting a spiral downward flow guide channel, the heating of the metal heating cylinder is rapidly conducted to the water flow, meanwhile, the flow channel of the water flow is lengthened, the need of water preparation is met, the water of the whole water tank is converted into an elongated water flow channel for rapid heating, the coffee machine brewing water rapid heating device not only has the advantages of fast hot water preparation speed, high efficiency, low average energy consumption, high safety, high hot water preparation temperature, but also fully meets the needs of coffee machine brewing water rapid heating and high temperature, can provide high-temperature hot water in time when coffee needs to be brewed, and the water is hot water.

[0028] The utility model can be widely applied to the field of coffee brewing appliances.

Claims

1. A rapid water heating device for brewing coffee, characterized in that: The assembly includes an insulating outer shell assembly, a central support column (1), a spiral heat-conducting fin (2), a metal heating cylinder (3), and a sealing sleeve (9). The outer wall of the central support column (1) is provided with a spiral groove (11), and at least one end of the central support column (1) is closed. The spiral heat-conducting fin (2) is adapted to and connected to the spiral groove (11) so that the spiral heat-conducting fin (2) is connected and fixed to the central support column (1). The central support column (1) together with the spiral heat-conducting fin (2) is placed in the inner cavity of the metal heating cylinder (3). The outer edge of the spiral heat-conducting fin (2) is adapted to and connected to the inner wall of the metal heating cylinder (3) so that the adjacent fins of the spiral heat-conducting fin (2) are connected to the outer wall of the central support column (1). The inner wall of the metal heating cylinder (3) forms a spiral flow channel (90) from bottom to top. The two sealing sleeves (9) are respectively sealed and inserted into the upper and lower ports of the metal heating cylinder (3) and respectively sealed and connected to the top and bottom of the insulating shell assembly. The bottom of the insulating shell assembly is provided with a cold water inlet (71) and the top is provided with a hot water outlet (81), and they are respectively connected to the spiral flow channel (90) through the central holes of the two sealing sleeves (9). The outer wall of the metal heating cylinder (3) is provided with an electric heating device (31) for heating the metal heating cylinder (3) and rapidly heating the water flowing through the spiral flow channel (90) through the metal heating cylinder (3) and the spiral flow heat conduction plate (2).

2. The coffee machine brewing water rapid heating device according to claim 1, characterized in that: The electric heating device (31) is a coated heating resistor. The coated heating resistor is spirally arranged around the outer wall of the metal heating cylinder (3). The two ends of the outer wall of the metal heating cylinder (3) are respectively provided with conductive clamps (6) which are electrically connected to the two ends of the coated heating resistor.

3. The coffee machine water heating device according to claim 2, characterized in that: The conductive clamp (6) includes a wiring part (61) for connecting a power supply line to supply power to the coating heating resistor.

4. The coffee machine brewing water rapid heating device according to claim 1, characterized in that: The insulating outer shell assembly includes a first half-shell (4), a second half-shell (5), a bottom cover (7), and a top cover (8). The first half-shell (4) and the second half-shell (5) are connected and fixed to each other to enclose the metal heating cylinder (3). The bottom cover (7) and the top cover (8) are respectively connected and fixed to the bottom and top of the first half-shell (4) and the second half-shell (5). The bottom cover (7) and the top cover (8) are respectively sealed to the two sealing sleeves (9). The cold water inlet (71) is provided on the bottom cover (7), and the hot water outlet (81) is provided on the top cover (8).

5. The coffee machine water heating device according to claim 4, characterized in that: The second half-shell (5) is provided with a temperature control switch hole (51) for connecting a temperature control switch to the outside of the metal heating cylinder (3).

6. An instant hot coffee brewing machine, characterized in that: The machine includes a base (10), a body (20), a water tank (30), a brewing chamber (40), a finished coffee container (50), a micro water pump (70), and a coffee machine brewing water rapid heating device (80) as described in any one of claims 1 to 5. The body (20) is fixedly connected to the base (10), the water tank (30) is disposed on the body (20), the brewing chamber (40) is suspended and fixedly connected to the water tank (30) on its side, and when the finished coffee container (50) is placed on the base (10), its top inlet is connected to the brewing chamber (40). The bottom outlet of the water tank (30) is connected to the inlet of the micro water pump (70) and the coffee machine brewing water rapid heating device (80), which are both located inside the body (20). The bottom of the water tank (30) is connected to the inlet of the micro water pump (70) through the main water inlet pipe (100). The outlet of the micro water pump (70) is connected to the cold water inlet (71) of the coffee machine brewing water rapid heating device (80) through the rapid heating water inlet pipe (200). The hot water outlet (81) of the coffee machine brewing water rapid heating device (80) is connected to the brewing chamber (40) through the rapid heating water outlet pipe (300).

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