CN107157330B - Full-automatic coffee machine and working method thereof - Google Patents
Full-automatic coffee machine and working method thereof Download PDFInfo
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- CN107157330B CN107157330B CN201710503103.3A CN201710503103A CN107157330B CN 107157330 B CN107157330 B CN 107157330B CN 201710503103 A CN201710503103 A CN 201710503103A CN 107157330 B CN107157330 B CN 107157330B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/42—Beverage-making apparatus with incorporated grinding or roasting means for coffee
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
- A47J31/441—Warming devices or supports for beverage containers
- A47J31/4425—Supports for beverage containers when filled or while being filled
- A47J31/4432—Supports for beverage containers when filled or while being filled with means for keeping the beverage warm
- A47J31/4435—Heated support plates
- A47J31/4439—Heated support plates with electrical heating elements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
- A47J31/462—Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank
- A47J31/465—Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank for the heated water
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
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- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Apparatus For Making Beverages (AREA)
Abstract
The invention discloses a full-automatic coffee machine and a working method thereof. The full-automatic coffee machine comprises a coffee machine main body and a coffee cup which is detachably connected with the coffee machine main body, wherein the coffee machine main body is provided with a bean grinding and brewing device, a movable water tank, a heating device, a heat preservation device and a microcomputer control device. The microcomputer control device is used for realizing microcomputer control, and the process is fully automatic and convenient to use; the bean grinding box can be conveniently taken out and is convenient to install; the independent heat preservation device ensures the heat preservation effect and the heat preservation temperature; the reflux design of the heating device effectively avoids accidents of scalding users such as water spraying, air spraying and the like; the full-automatic coffee machine provided by the invention is fully automatically operated in the process, has the advantages of bean grinding function, simple structure, convenience in use, low cost, complete functions and good sealing effect, can be used for quickly and conveniently making aromatic and delicious coffee, can conveniently meet the use requirements of clients, greatly promotes the drinking market of coffee, and can be used at home and in offices at any time.
Description
Technical Field
The invention relates to the technical field of brewing equipment for coffee or similar beverages, in particular to a full-automatic coffee machine and a working method thereof.
Background
A fully automatic coffee machine refers to a machine that can make coffee by simply pressing a button, which enables the full process automation from grinding coffee beans to brewing coffee with hot water.
Full-automatic coffee machines are not lack in the market, but the full-automatic coffee machines have the defects of complex structure, high cost, complex operation and the like, so that the full-automatic coffee machines are difficult to popularize among common users. Therefore, a full-automatic coffee machine which has the advantages of simple structure, convenient use, low cost, complete functions, good sealing effect and capability of quickly and conveniently making aromatic and delicious coffee is urgently needed.
Disclosure of Invention
The invention aims to overcome at least one defect in the prior art, and provides a full-automatic coffee machine and a working method thereof, wherein the full-automatic coffee machine has the advantages of full-automatic process operation, bean grinding function, simple structure, convenient use, low cost, complete functions, good sealing effect and capability of quickly and conveniently making aromatic and delicious coffee.
In order to solve the technical problems, the invention adopts the following technical scheme:
a full-automatic coffee machine comprises a coffee machine main body and a coffee cup detachably connected with the coffee machine main body, wherein a bean grinding and brewing device, a movable water tank, a heating device, a heat preservation device and a microcomputer control device are arranged on the coffee machine main body; the heating device comprises a water guide component, a heating component and a water outlet component, the movable water tank is communicated with the heating device through the water guide component, the bean grinding and brewing device is communicated with the heating device through the water outlet component, and water in the movable water tank can enter the bean grinding and brewing device after sequentially passing through the water guide component, the heating component and the water outlet component; the bean grinding and brewing device comprises a bean grinding box cover component, a bean grinding box component and a motor component, wherein the bean grinding box component comprises a bean grinding cutter component which is connected to the motor component; the bean grinding box assembly is provided with a water outlet valve, and coffee liquid flows from the bean grinding and brewing device to the coffee cup through the water outlet valve; the heat preservation device is connected with the coffee cup; the microcomputer control device comprises an operation control board and is electrically connected with the motor assembly, the heating device and the heat preservation device to perform microcomputer control; through with microcomputer control device with motor assembly, heating device and heat preservation device electricity are connected, and the user can set for the coffee machine through the operation control panel, the setting includes whether the selection is reserved, whether keep warm, grind beans, process time, heat preservation time, temperature control and coffee concentration.
The water tank is arranged to be movable, so that a user can conveniently perform water adding operation. By arranging the microcomputer control device, a user can control the microcomputer of the coffee machine through the operation control panel, so that full-automatic operation is realized. By arranging the heat preservation device, the coffee which is brewed well and enters the coffee cup can be preserved, and even if a user does not drink the coffee in time, the user can still enjoy aromatic and delicious hot coffee.
As one embodiment, the bean grinding box assembly comprises a brewing chamber formed by a filtering element and a filter screen, wherein the bean grinding box cover assembly is provided with the filter screen, and the filter screen is positioned at the upper part of the brewing chamber; the bottom of the bean grinding box assembly is provided with a magnet piece, and the coffee machine main body is provided with a magnet, so that the bean grinding box assembly is fixed to the coffee machine main body; the motor assembly comprises a motor, a motor bracket and a motor damping block.
The filter screen is arranged at the upper part of the brewing chamber, so that the overflow of coffee can be effectively prevented, and the function of draining can be realized when the coffee overflows. Through magnet piece and magnet for grind beans box subassembly detachably and be fixed to the coffee machine main part, conveniently take out, easy to assemble. In order to absorb shock and reduce noise, the motor is connected with the coffee machine main body, besides the motor support is adopted to strengthen stability, an upper motor shock-absorbing block and a lower motor shock-absorbing block are added between the motor and the motor support.
As one embodiment, the movable water tank comprises a water tank cover, a water tank body, a water tank sealing ring, a water tank spring and a water tank water stop valve. When the movable water tank is removed, the water tank sealing ring is pressed against the water tank water outlet positioned at the bottom of the water tank body under the action of the water tank spring, so that water cannot flow out of the water tank water outlet; when the movable water tank is in a working position, the water stop valve of the water tank moves upwards under the action of the water guide assembly, and the water tank sealing ring is separated from the water outlet of the water tank, so that water flows out from the water outlet of the water tank to the water guide assembly.
The water outlet of the movable water tank is automatically closed when the movable water tank is removed, so that water can not leak when the movable water tank is moved; in the working position (i.e. the position corresponding to the main body of the coffee machine), the water outlet of the water tank is automatically opened without manual operation.
As one implementation mode, the water guide component of the heating device comprises a water guide seat water inlet sealing ring, a water guide seat, a one-way valve ball and a heating tube water inlet silicone tube; the water guide seat is provided with a water guide seat water outlet and a water return opening, the water guide seat water outlet is connected to the heating tube water inlet silicone tube, and the water guide seat water return opening is communicated with the water outlet assembly through a pipeline.
The water return port of the water guide seat is arranged, so that water of the water outlet assembly can flow back to the water guide assembly through the pipeline and then flow back to the movable water tank.
As one embodiment, the water outlet assembly of the heating device comprises a water outlet seat configured such that when the bean grinding cartridge assembly is not in the working position (i.e. is taken out), water flows back to the movable water tank after reaching the water outlet assembly without entering the bean grinding and brewing device.
Through such backward flow design, if the bean grinding box subassembly is taken out in the heating process, the hot water of hot can get back to the water tank to avoid scalding user's unexpected emergence such as water spray jet.
As an improvement, the water outlet seat comprises a water outlet, a water outlet seat water inlet pipe, a water outlet seat water return pipe, a water outlet seat movable pin and a water outlet seat movable pin spring, wherein the water outlet is communicated with the bean grinding and brewing device through a pipeline, the water outlet seat water inlet pipe is communicated with the heating device through a pipeline, and the water outlet seat water return pipe is communicated with the movable water tank through a pipeline; when the bean grinding box component of the bean grinding and brewing device is in a working position, a water inlet pipe arranged on the bean grinding box cover component is inserted into a water outlet of the water outlet seat, so that the movable pin of the water outlet seat is pressed down to block a pipe orifice of a water return pipe of the water outlet seat, and water enters the bean grinding and brewing device along a pipeline; when the bean grinding box component of the bean grinding and brewing device is not located at the working position, the movable pin of the water outlet seat upwards rebounds under the action of the movable pin spring of the water outlet seat, and the water return pipe of the water outlet seat is opened, so that water of the water inlet pipe of the water outlet seat cannot flow out from the water outlet, but flows back to the movable water tank through the water return pipe of the water outlet seat through a pipeline.
The above reflow design is achieved by the above configuration. If the bean grinding box component is taken out in the heating process, the movable pin of the water outlet seat in the water outlet seat can be automatically closed, and high-temperature hot water can return to the movable water tank through the water outlet seat water return pipe. The device can effectively avoid accidents of scalding users such as water spraying, air spraying and the like.
As an implementation mode, the heating component comprises a heating tube and a temperature controller, and the microcomputer control device is respectively and electrically connected with the heating tube and the temperature controller to perform microcomputer control. The temperature controller is arranged to realize temperature adjustment, so that a user can taste brewed coffee at a specific temperature.
As one embodiment, the heat preservation device is an independent heating structure and is not influenced by the heating device; the heat preservation device is detachably fastened on the coffee machine main body through a fastening piece, and when the coffee cup is placed on the heat preservation device, a user can select whether to start the heat preservation device or not through an operation control panel.
The independent heat preservation device design can ensure heat preservation effect, heat preservation temperature.
As improvement, the operation control panel adopts multi-case liquid crystal display, which is convenient for users to operate.
Preferably, the motor is connected with the bean grinding cutter assembly by adopting a structure of matching a small gap with a large gap. Firstly, a small clearance fit is adopted between a motor shaft and a cutter shaft, so that concentricity of the motor and a bean grinding cutter assembly can be ensured, and vibration and noise are reduced; and secondly, the cutter shaft and the bean grinding box are in large clearance fit, so that vibration generated when the shaft rotates at a high speed can be prevented from being transmitted to the bean grinding box.
Preferably, in order to ensure the tightness between the cutter shaft and the bean grinding box, a soft and hard combined sealing mode is adopted. The cutter shaft sealing ring and the sealing bearing are combined to realize the functions of sealing and damping, and the sealing bearing and the shaft are hard combined and cannot leak; the cutter shaft sealing ring and the sealing bearing are connected with the bean grinding box, and the cutter shaft sealing ring and the bean grinding box are in soft combination and cannot leak, so that vibration of the shaft cannot be transmitted to the bean grinding box or leak.
A working method of a full-automatic coffee machine comprises the following steps:
s1, adding a certain amount of coffee beans or coffee powder into a bean grinding box assembly, and adding a relative amount of water into a movable water tank;
s2, selecting whether to reserve, grind beans, keep warm and keep coffee concentration through operating the control panel;
s3, starting the coffee machine, and determining whether to start a reservation function, whether to start a bean grinding function, whether to need heat preservation and coffee shade according to the selection result of the S2 under the control of the microcomputer;
s4, heating by the heating device according to a predicted program according to the determination result of the S3, and enabling water in the movable water tank to enter the bean grinding and brewing device after passing through the water guide assembly, the heating assembly and the water outlet assembly under the action of heat energy;
s5, mixing coffee beans or coffee powder with water in the bean grinding and brewing device, and enabling the coffee to flow to a coffee cup through a water outlet valve of a bean grinding box assembly;
s6, determining whether to start to keep the coffee cup warm according to the selection result of whether to keep the temperature in the S2;
s7, the user can drink the coffee flowing into the coffee cup at any time.
Compared with the prior art, the invention has the beneficial effects that:
according to the full-automatic coffee machine and the working method thereof, the microcomputer control device is used for realizing microcomputer control, and the process is fully-automatic and convenient to use; the motor is connected with the bean grinding cutter component by adopting a structure of matching a small gap with a large gap, so that vibration and noise are reduced; the sealing mode of combining soft and hard is adopted, so that the sealing performance between the cutter shaft and the bean grinding box is ensured; vibration reduction and noise reduction are realized through the motor bracket and the motor damping block; the movable water tank is convenient for water addition; the bean grinding box can be conveniently taken out and is convenient to install; the independent heat preservation device ensures the heat preservation effect and the heat preservation temperature; the reflux design of the heating device effectively avoids accidents of scalding users such as water spraying, air spraying and the like; the full-automatic coffee machine provided by the invention is fully automatically operated in the process, has the advantages of bean grinding function, simple structure, convenience in use, low cost, complete functions and good sealing effect, can be used for quickly and conveniently making aromatic and delicious coffee, can conveniently meet the use requirements of clients, greatly promotes the drinking market of coffee, and can be used at home and in offices at any time.
Drawings
Fig. 1 is a schematic view of the composition structure of a fully automatic coffee machine.
Fig. 2 is a schematic view of a bean grinding and brewing apparatus.
Fig. 3 is a schematic view of a bean grinding box assembly.
Figure 4 is a schematic view of a bean grinding box cover assembly.
Fig. 5 is a schematic diagram of a motor assembly.
Fig. 6 is a schematic view of a movable water tank.
Fig. 7 is a schematic view of a heating device.
FIG. 8 is a schematic view of a water guiding assembly.
Fig. 9 is a schematic view of a heat generating tube assembly.
FIG. 10 is a schematic view of a water outlet assembly.
Fig. 11 is a schematic view of a thermal insulation device.
Fig. 12 is a control schematic diagram of the microcomputer control device.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to the specific examples.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if any, terms such as "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus the words describing the positional relationship in the drawings are merely for illustration and not to be construed as limiting the present patent.
Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are primarily for distinguishing between different devices, elements, or components (the particular categories and configurations may be the same or different) and are not intended to indicate or imply relative importance or quantity of the devices, elements, or components indicated, but are not to be construed as indicating or implying relative importance.
Example 1
Fig. 1 is a schematic diagram of the composition structure of a full-automatic coffee machine according to the present invention. As shown in fig. 1, the full-automatic coffee machine comprises a coffee machine main body 1 and a coffee cup 6 detachably connected with the coffee machine main body 1, wherein a bean grinding and brewing device 2, a movable water tank 3, a heating device 4, a heat preservation device 5 and a microcomputer control device 7 are arranged on the coffee machine main body 1. The coffee machine body 1 can integrate the bean grinding with the brewing device 2, the movable water tank 3, the heating device 4, the heat preservation device 5, the coffee cup 6 and the microcomputer control device 7. The control circuit of the microcomputer control device 7 is as follows.
As shown in fig. 2, the bean grinding and brewing apparatus 2 comprises a bean grinding box cover assembly 21, a bean grinding box assembly 22, a motor assembly 23 and a coffee storage chamber. The cavity formed by the bean grinding box cover component 21 and the bean grinding box component 22 forms a bean grinding chamber and a brewing chamber, the bean grinding chamber and the brewing chamber have a shared space body, and the filtered coffee brewed by the bean grinding chamber flows into a coffee storage chamber.
As shown in fig. 3, the bean grinding cartridge assembly 22 comprises bean grinding cartridge positioning silica gel 221, a cutter shaft nut 222, a blade 223, a cutter shaft sealing gasket 224, a bean grinding cartridge 225, a cutter shaft sealing ring 226, a sealing bearing 227, a shaft lower end cover 228, a fixing screw 229, a cutter shaft assembly 2210, a bean grinding cartridge water outlet valve 2212, a bean grinding cartridge leak-proof valve spring 2213, a bean grinding cartridge suction piece 2214, a suction cover 2215 and a filter element 2216. The bean grinding box suction piece 2214 is sucked with the magnet on the main body 1 of the coffee machine, so that the fixation of the bean grinding box can be ensured. Through magnet piece and magnet for grind beans box subassembly detachably and be fixed to the coffee machine main part, conveniently take out, easy to assemble. The bean grinding cutter assembly is composed of a cutter shaft nut 222, a blade 223, a cutter shaft sealing gasket 224, a bean grinding box 225, a cutter shaft sealing ring 226, a sealing bearing 227, a lower shaft end cover 228, a fixing screw 229 and a cutter shaft assembly 2210.
As shown in fig. 4, the bean grinding box cover assembly 21 includes a bean grinding box exhaust hole decoration piece 211, a bean grinding box decoration piece 212, a bean grinding box cover 213, a left lock lever 214, an opening key 215, a lock lever spring 216, a quick-change switch 217, a self-tapping screw 218, a right lock lever 219, a bean grinding box silicone tube a 2110, a two-way joint 2111, a bean grinding box silicone tube B2112, a bean grinding box liner 2113, a filter spring 2114, and a filter 2115.
As shown in fig. 5, the motor assembly 23 includes a spring pin 231, a motor shaft collar 232, a motor upper damper 233, a motor 234, a motor lower damper 235, a motor bracket 236, and a screw 237. The motor assembly 23 is fixed to the coffee maker body 1 by a motor bracket 236 and a crash pad screw 237. The connection between the motor 231 and the coffee machine body 1, besides the stability enhancement by adopting the motor bracket 236, is provided with a motor upper shock-absorbing block 233 and a motor lower shock-absorbing block 235 between the motor 234 and the motor bracket 236.
During operation, the bean grinding box assembly 22 is placed at a fixed position of the coffee machine main body 1 and is arranged in the bean grinding chamber, the output shaft of the motor 234 is connected with the bean grinding cutter assembly through the spring pin 231, the bean grinding cutter assembly is driven to rotate at a high speed, coffee beans are smashed, the coffee beans in the bean grinding chamber are ground, and then water in the movable water tank 3 passes through the middle hole of the filter screen 2115 after being heated and conveyed by the heating device 4. During brewing, the bottom of the bean grinding box and the filter element 2116 form a brewing chamber, and the filter screen 2115 is positioned at the upper part of the brewing chamber, so that the coffee can be effectively prevented from overflowing, and the function of draining can be realized when the coffee overflows during brewing.
The motor 234 is connected with the bean grinding cutter assembly, a structure of matching a small gap with a large gap is adopted, and firstly, the shaft of the motor 234 is matched with the cutter shaft by adopting the small gap, so that the concentricity of the motor 234 and the bean grinding cutter assembly can be ensured, and the vibration and noise are reduced; and secondly, the cutter shaft and the bean grinding box 225 are in large clearance fit, so that vibration generated when the shaft rotates at a high speed can be prevented from being transmitted to the bean grinding box 225. In order to ensure the tightness between the cutter shaft and the bean grinding box 225, a soft and hard combined sealing mode is adopted, the cutter shaft sealing ring 226 and the sealing bearing 227 are combined to realize the functions of sealing and damping, and the sealing bearing 227 and the cutter shaft are in hard combination and cannot leak; the connection between the cutter shaft sealing ring 226 and the sealing bearing 227 and the connection between the cutter shaft sealing ring 226 and the bean grinding box 225 are soft and cannot leak, so that the vibration to the shaft cannot be transmitted to the bean grinding box 225 or leak.
As shown in fig. 6, the movable water tank 3 includes a tank cover 31, a tank body 32, a tank gasket 33, a tank spring 34, and a tank water stop valve 35. When the movable water tank 3 is removed, the water tank sealing ring 33 presses the water tank water outlet positioned at the bottom of the water tank body 32 under the action of the water tank spring 34, so that water cannot flow out of the water tank water outlet; when the movable water tank 3 is in the working position, the water tank water stop valve 35 moves upwards under the action of the water guide assembly 41, and the water tank sealing ring 33 is separated from the water tank water outlet, so that water flows out from the water tank water outlet to the water guide assembly 41.
The water outlet of the movable water tank 3 constructed in this way is automatically closed when removed, so that no water leakage occurs when moved; in the working position (i.e. the position corresponding to the main body of the coffee machine), the water outlet of the water tank is automatically opened without manual operation.
As shown in fig. 7, the heating device 4 comprises a water guide assembly 41, a heating assembly 42 and a water outlet assembly 43, the movable water tank 3 is communicated with the heating device 4 through the water guide assembly 41, and the bean grinding and brewing device 2 is communicated with the heating device 4 through the water outlet assembly 43. When the coffee maker starts to heat, water in the movable water tank 3 flows into the heating component 42 through the water guide component 41, flows to the water outlet component 43 along the arrow direction of the solid line in fig. 7, and enters the bean grinding and brewing device 2.
As shown in fig. 8, the water guide assembly 41 includes a water guide seat water inlet sealing ring 411, a water guide seat 412, a screw 413, a check valve 414, a check valve ball 415, and a heating tube water inlet silicone tube 416. The water guide seat 412 is provided with a water guide seat water outlet and a water guide seat water return opening, the water guide seat water outlet is connected to the heating tube water inlet silicone tube 416, and the water guide seat water return opening is communicated with the water outlet assembly 43 through a pipeline. The water return port of the water guide seat is arranged, so that water of the water outlet assembly 43 can flow back to the water guide assembly 41 through a pipeline and then flow back to the movable water tank 3.
As shown in fig. 9, the heating element 42 includes a heating tube holder 421, a heat insulating pad 422, a heating tube 423, a temperature controller 424, a screw 425, a spring clip 426, a heater trim 427, a nut 428, a spring pad 429, a screw 4210, a thermal fuse 4211, a silicone rod 4212, and a screw 4213. The microcomputer control device 7 is electrically connected with the heating tube 423 and the temperature controller 424, respectively, for microcomputer control. The thermostat 424 is provided to enable temperature adjustment to allow a user to taste brewed coffee at a specific temperature.
As shown in fig. 10, the water outlet assembly 43 includes a water outlet, a water inlet pipe of the water outlet, a water return pipe of the water outlet, a water outlet switch sealing ring 431, a switch touch seat 432, a water outlet movable switch spring 433, a water outlet 434, a movable switch 435, a screw 436, a water outlet sealing ring 437, a water outlet movable pin 438, a water outlet movable pin spring 439, a water outlet connecting seat 4310, a clamp spring 4311, a water inlet 4312 and a water return pipe 4313. The water outlet is communicated with the bean grinding and brewing device 2 through a pipeline, the water inlet pipe of the water outlet seat is communicated with the heating device 4 through a pipeline and is clamped by the clamp spring 4311, and the water return pipe of the water outlet seat is communicated with the movable water tank 3 through a pipeline. When the bean grinding box assembly 22 of the bean grinding and brewing device 2 is in the working position, the water inlet pipe arranged on the bean grinding box cover assembly 21 is inserted into the water outlet of the water outlet seat 434, so that the water outlet seat movable pin 438 is pressed down to block the pipe orifice of the water return pipe of the water outlet seat, and high-temperature hot water flows into the bean grinding and brewing device 2 along the arrow direction of the solid line in fig. 7; when the bean grinding and brewing apparatus 2 is not in the working position of the bean grinding box assembly 22, the outlet seat movable pin 438 is sprung upward by the outlet seat movable pin spring 439, and the outlet seat water return pipe is opened so that water of the outlet seat water inlet pipe cannot flow out from the water outlet, and high-temperature hot water flows back to the movable water tank 3 along the direction of a dotted arrow of fig. 7 through the outlet seat water return pipe.
The above reflow design is achieved by the above configuration. If the bean grinding box assembly 22 is taken out during the heating process, the movable pin 438 of the water outlet seat in the water outlet seat 434 is automatically closed, and the high-temperature hot water is returned to the movable water tank 3 through the water outlet seat return pipe. The device can effectively avoid accidents of scalding users such as water spraying, air spraying and the like.
As shown in fig. 11, the heat insulating device 5 includes a heat insulating ring seal 51, a heat insulating ring 52, a heat insulating plate seal 53, a heat insulating plate 54, a heat insulating plate ground wire 55, a PTC (thermistor) 56, a PTC positioning block 57, and a PTC bead 58. The heat preservation device 5 is of an independent heating structure and is not influenced by the heating device 4; the heat preservation device 5 is detachably fastened to the coffee maker main body 1 by a fastening member, and when the coffee cup 6 is placed on the heat preservation device 5, a user can select whether to activate the heat preservation device 5 by the operation control panel 71 of the microcomputer control device 7. The independent heat preservation device design can ensure heat preservation effect, heat preservation temperature.
As shown in fig. 12, the microcomputer control device includes an operation control board 71 and a power board 72, and is electrically connected to the motor 234, the heating tube 423, the temperature controller 424 and the PTC56 for microcomputer control. The control lines are shown. The operation control board 71 adopts multi-key liquid crystal display, wherein 'time+' and 'time-' are respectively increasing and decreasing operation time; the reservation is whether reservation is set or not; the "shade" is the shade of the selected coffee; the heat preservation is whether the heat preservation is set or not; the "power" is to turn on or off the power board 72; the 'beans/powder' is set whether to grind beans or not; "Start" is the start of the coffee machine.
When in use, a client adds a certain amount of coffee beans or coffee powder into the bean grinding and brewing device 2, adds a relative amount of water into the movable water tank 3, and automatically decides whether to start the bean grinding function according to the setting of the client after the coffee machine is started through the function selection of the microcomputer control device 7 (if the coffee powder is the coffee powder, the bean grinding function is not required to be started, and if the coffee bean is the coffee bean, the bean grinding function is required to be started); whether heat preservation is needed, reservation is needed, and the selection of the shade of coffee is carried out according to a program under the control of a microcomputer. Firstly, the microcomputer control device 7 decides whether to start the motor 234 according to the user setting, secondly, under the action of the heating device 4, the water in the movable water tank 3 is heated according to the preset program, under the action of heat energy, enters the heating component for heating through the water outlet of the water guide seat 412, reaches the water inlet pipe of the water outlet connecting seat 4310, flows into the bean grinding chamber from the water outlet through the water inlet pipe of the bean grinding box cover component 21, enters the bean grinding box 225 after being filtered by the filter screen 2115, and brewed and ground coffee beans/coffee powder are brewed. Coffee liquid flows from the coffee cartridge outlet valve 2212 into the coffee cup 6. The independent heat preservation device 4 under the coffee cup 6 determines whether to start heat preservation according to the setting of a user; the coffee flowing into the coffee cup 6 is ready for the user to drink.
The specific working method comprises the following steps:
s1, adding a certain amount of coffee beans or coffee powder into a bean grinding box assembly 22, and adding a relative amount of water into a movable water tank 3;
s2, selecting whether to reserve, grind beans, keep warm and keep coffee concentration by operating the control panel 71;
s3, starting the coffee machine, and determining whether to start a reservation function, whether to start a bean grinding function, whether to need heat preservation and coffee shade according to the selection result of the S2 under the control of the microcomputer;
s4, heating the heating device 4 according to a predicted program according to the determination result of the S3, and enabling water in the movable water tank 3 to flow through the water guide assembly 41, the heating assembly 42 and the water outlet assembly 43 under the action of heat energy and then enter the bean grinding and brewing device 2;
s5, mixing coffee beans or coffee powder with water in the bean grinding and brewing device 2, and enabling the coffee to flow to the coffee cup 6 through the water outlet valve 2212 of the bean grinding box assembly 22;
s6, the heat preservation device 5 determines whether to start heat preservation of the coffee cup 6 according to the selection result of whether to preserve heat in the S2;
s7. The user can drink the coffee flowing into the coffee cup 6 at any time.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (7)
1. The full-automatic coffee machine comprises a coffee machine main body (1) and a coffee cup (6) detachably connected with the coffee machine main body (1), and is characterized in that a bean grinding and brewing device (2), a movable water tank (3), a heating device (4), a heat preservation device (5) and a microcomputer control device (7) are arranged on the coffee machine main body (1); the heating device (4) comprises a water guide component (41), a heating component (42) and a water outlet component (43), the movable water tank (3) is communicated with the heating device (4) through the water guide component (41), the bean grinding and brewing device (2) is communicated with the heating device (4) through the water outlet component (43), and water in the movable water tank (3) can sequentially pass through the water guide component (41), the heating component (42) and the water outlet component (43) and then enter the bean grinding and brewing device (2); the bean grinding and brewing device (2) comprises a bean grinding box cover component (21), a bean grinding box component (22) and a motor component (23), wherein the bean grinding box component (22) comprises a bean grinding cutter component which is connected to the motor component (23); the bean grinding box assembly (22) is provided with a water outlet valve (2212), and coffee liquid flows from the bean grinding and brewing device (2) to the coffee cup (6) through the water outlet valve (2212); the heat preservation device (5) is connected with the coffee cup (6); the microcomputer control device (7) comprises an operation control board (71) and is electrically connected with the motor assembly (23), the heating device (4) and the heat preservation device (5) to perform microcomputer control; through electrically connecting the microcomputer control device (7) with the motor assembly (23), the heating device (4) and the heat preservation device (5), a user can set the coffee machine through the operation control board (71), wherein the setting comprises the selection of whether to reserve, whether to preserve heat, whether to grind beans, the processing time, the heat preservation time, the temperature control and the coffee concentration, and the water guide assembly (41) of the heating device (4) comprises a water guide seat water inlet sealing ring (411), a water guide seat (412), a one-way valve (414), a one-way valve ball (415) and a heating tube water inlet silicone tube (416); be equipped with water guide seat delivery port and water guide seat return water mouth on water guide seat (412), water guide seat delivery port is connected to heating tube water inlet silicone tube (416), water guide seat return water mouth pass through the pipeline with go out water subassembly (43) intercommunication, go out water subassembly (43) of heating device (4) include out water seat (434), go out water seat (434) and be constructed so that when bean grinding box subassembly (22) are not in the working position, water flows back to after reaching out water subassembly (43) movable water tank (3), and does not get into bean grinding and brewing device (2).
2. The fully automatic coffee machine according to claim 1, wherein a filter element (2216) is arranged inside the bean grinding box assembly (22) to form a brewing chamber, the bean grinding box cover assembly (21) is provided with a filter screen (2115), and the filter screen (2115) is positioned at the upper part of the brewing chamber; the bottom of the bean grinding box assembly (22) is provided with a magnet piece (2214), and the coffee machine main body (1) is provided with a magnet, so that the bean grinding box assembly (22) is fixed to the coffee machine main body (1); the motor assembly (23) comprises a motor (234), a motor bracket (236) and a motor shock-absorbing block.
3. The fully automatic coffee machine according to claim 1, characterized in that the movable water tank (3) comprises a tank cover (31), a tank body (32), a tank sealing ring (33), a tank spring (34) and a tank water stop valve (35); when the movable water tank (3) is removed, the water tank sealing ring (33) presses a water tank water outlet positioned at the bottom of the water tank body (32) under the action of the water tank spring (34), so that water cannot flow out of the water tank water outlet; when the movable water tank (3) is in the working position, the water tank water stop valve (35) moves upwards under the action of the water guide assembly (41), and the water tank sealing ring (33) is separated from the water tank water outlet, so that water flows out of the water tank water outlet to the water guide assembly (41).
4. The full-automatic coffee machine according to claim 1, wherein the outlet seat (434) comprises a water outlet, an outlet seat water inlet pipe, an outlet seat water return pipe, an outlet seat movable pin (438) and an outlet seat movable pin spring (439), the water outlet is communicated with the bean grinding and brewing device (2) through a pipeline, the outlet seat water inlet pipe is communicated with the heating device (4) through a pipeline, and the outlet seat water return pipe is communicated with the movable water tank (3) through a pipeline; when the bean grinding box assembly (22) of the bean grinding and brewing device (2) is in a working position, a water inlet pipe arranged on the bean grinding box cover assembly (21) is inserted into a water outlet of the water outlet seat (434), so that the movable pin (438) of the water outlet seat is pressed down to block a pipe orifice of a water return pipe of the water outlet seat, and water enters the bean grinding and brewing device (2) along a pipeline; when the bean grinding box assembly (22) of the bean grinding and brewing device (2) is not in the working position, the movable pin (438) of the water outlet seat rebounds upwards under the action of the movable pin spring (439) of the water outlet seat, and the water return pipe of the water outlet seat is opened, so that water of the water inlet pipe of the water outlet seat cannot flow out from the water outlet, but flows back to the movable water tank (3) through the water return pipe of the water outlet seat through a pipeline.
5. The full-automatic coffee machine according to claim 1, wherein the heating component (42) comprises a heating tube (423) and a temperature controller (424), and the microcomputer control device (7) is electrically connected with the heating tube (423) and the temperature controller (424) respectively for microcomputer control.
6. The fully automatic coffee machine according to claim 1, characterized in that the heat preservation device (5) is an independent heating structure, and is not affected by the heating device (4); the heat preservation device (5) is detachably fastened on the coffee machine main body (1) through a fastening piece, and when the coffee cup (6) is placed on the heat preservation device (5), a user can select whether to start the heat preservation device (5) through an operation control board (71).
7. A method of operating a fully automatic coffee machine according to claim 1, the method comprising the steps of:
s1, adding a certain amount of coffee beans or coffee powder into a bean grinding box assembly (22), and adding a relative amount of water into a movable water tank (3);
s2, selecting whether to reserve, grind beans, keep warm and keep coffee concentration through operating a control panel (71);
s3, starting the coffee machine, and determining whether to start a reservation function, whether to start a bean grinding function, whether to need heat preservation and coffee shade according to the selection result of the S2 by the coffee machine under the control of the microcomputer;
s4, heating according to a preset program by the heating device (4) according to the determination result of the S3, and enabling water in the movable water tank (3) to enter the bean grinding and brewing device (2) after passing through the water guide assembly (41), the heating assembly (42) and the water outlet assembly (43) under the action of heat energy;
s5, mixing coffee beans or coffee powder with water in the bean grinding and brewing device (2), and enabling the coffee to flow to a coffee cup (6) through a water outlet valve (2212) of a bean grinding box assembly (22);
s6, the heat preservation device (5) determines whether to start heat preservation of the coffee cup (6) according to the selection result of whether to preserve heat in the S2;
s7, the user can drink the coffee flowing into the coffee cup (6) at any time.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019000211A1 (en) * | 2017-06-27 | 2019-01-03 | 广州康宏科技股份有限公司 | Full-automatic coffee making machine and working method thereof |
| CN109645828B (en) * | 2017-10-11 | 2021-03-30 | 新玛德制造厂有限公司 | Coffee machine with improved temperature control and temperature control method thereof |
| CN109840075B (en) * | 2018-12-21 | 2022-05-31 | 宁波德晶元科技有限公司 | Control panel based on layered design and design method |
| CN110477751A (en) * | 2019-09-24 | 2019-11-22 | 宁波锦宇电器有限公司 | A kind of coffee machine with bean-grinding function |
| CN112773195A (en) * | 2019-11-08 | 2021-05-11 | 青岛汉尚电器有限公司 | Bean grinding coffee machine and stuffy steaming grinding control method thereof |
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