초록 ▼

The present invention provides a multi-function coffee maker, comprising at least two brewing accessories including an espresso coffee brewing accessory and a drip coffee brewing accessory, which are interchangeable and each can be loaded within said brewing room of said cover assembly to form an in

The present invention provides a multi-function coffee maker, comprising at least two brewing accessories including an espresso coffee brewing accessory and a drip coffee brewing accessory, which are interchangeable and each can be loaded within said brewing room of said cover assembly to form an individual brewing chamber. Said multi-function coffee maker further comprises a control circuit including a detection circuit for the brewing accessory. By a water distributor assembly and said control circuit, water flow of suitable pressure is provided into said brewing chamber and the brewing accessory in use is detected automatically so as to initiate a corresponding work mode according to desire.

대표청구항 ▼

What is claimed is: 1. A multi-function coffee maker, comprising: a casing, a cover assembly with a brewing room inside, a water reservoir, a water pump, an electric heater, a water distributor assembly, a control valve assembly, a base assembly, a control circuit and brewing accessories; wherein s

What is claimed is: 1. A multi-function coffee maker, comprising: a casing, a cover assembly with a brewing room inside, a water reservoir, a water pump, an electric heater, a water distributor assembly, a control valve assembly, a base assembly, a control circuit and brewing accessories; wherein said brewing accessories at least include an espresso coffee brewing accessory and a drip coffee brewing accessory, which are interchangeable and each can be loaded within said brewing room of said cover assembly to form an individual brewing chamber; wherein said water reservoir, water pump, water distributor assembly, control valve assembly and brewing chamber construct a water loop of said coffee maker, two kinds of water flow of different pressures may be generated within said water loop, one kind of water flow is of 0-2.5 BAR for brewing drip coffee, the other kind of water flow is of 8-10 BAR for brewing espresso coffee; wherein said control circuit comprises a control chip, and connected with said control chip are a sampling circuit for thermal sensors, a control circuit for said water pump, a control circuit for said electric heater and a detection circuit for the brewing accessory; wherein said detection circuit for the brewing accessory includes a plurality of proximity switch assemblies, each proximity switch assembly includes a magnetic element installed on one of said brewing accessories and a magnetic field sensor installed on said brewing room, so that, when said brewing accessory is loaded into said brewing room, said control chip will obtain a signal to detect and distinguish the brewing accessory in use; and wherein brewing control program is set within said control chip, said brewing control program contains working modes including at least espresso coffee brewing mode and drip coffee brewing mode; by said water distributor assembly and said control circuit, water flow of suitable pressure is provided into said brewing chamber and the brewing accessory in use is detected automatically so as to initiate a corresponding work mode. 2. A multi-function coffee maker according to claim 1, wherein said brewing accessories further include a tea brewing accessory, and said brewing control program within said control chip further contains a tea brewing mode, said water flow of 0-2.5 BAR is also for brewing tea. 3. A multi-function coffee maker according to claim 1, wherein said cover assembly is constructed by an upper cover and a lower chamber joined together by an open-closed mechanism; and when the cover assembly is opened, the brewing room inside is exposed. 4. A multi-function coffee maker according to claim 1, wherein said brewing room may be fixed or replaceable, which can accommodate coffee capsules of various shapes or specifications, coffee pods of various shapes or specifications, coffee powder of various amount or specifications, or tea pods of various shapes or specifications. 5. A multi-function coffee maker according to claim 1, wherein the water distributor assembly is working in combination with the control valve assembly; and wherein said control valve assembly is constructed by a T-connecting valve and a guided control valve; with said T-connecting valve, only one water pump is used for two water loops of different pressures. 6. A multi-function coffee maker according to claim 5, wherein said T-connecting valve comprises a valve body, a relief spring, a valve shaft and a rubber plug, and wherein the relief spring is mounted on the valve shaft, the O-shaped ring is installed above the rubber plug, so as to form a relief valve. 7. A multi-function coffee maker according to claim 5, wherein said brewing room includes a drip water inlet and an espresso water inlet; water from the water reservoir is pumped by the pump, heated by the electric heater, then distributed by the T-connecting valve, guided controlled valve and the water distributor, finally enters the brewing room through drip water inlet or espresso water inlet for brewing coffee. 8. A multi-function coffee maker according to claim 5, wherein, in said guided control valve, espresso coffee control lever and drip coffee control lever are installed in parallel in the guided control valve body; when the espresso coffee brewing accessory is loaded and the upper brewing chamber is locked, the drip coffee control lever is pressed down, channel A is opened by the guided control valve and channel B is closed; when the drip coffee brewing accessory is loaded and the upper brewing chamber is locked, the espresso coffee control lever is pressed down, channel B is opened by the guided control valve and channel A is closed. 9. A multi-function coffee maker according to claim 8, wherein an O-shaped ring and a reset spring are installed under both of the espresso coffee control lever and the drip coffee control lever. 10. A multi-function coffee maker according to claim 7, wherein an espresso coffee brewing accessory is loaded within said brewing room which includes an espresso coffee capsule connected with the espresso water inlet, a filter plate installed under the coffee capsule, a small pod cover and a pressure limiting check valve. 11. A multi-function coffee maker according to claim 7, wherein a drip coffee brewing accessory is loaded within said brewing room which includes a drip coffee capsule connected with the drip coffee inlet, a big pod seat, a big pod intermediate seat installed under said big pod seat, a big pod elastic compression seat under said drip coffee capsule, and a big pod spring installed at the bottom of said big pod elastic compression seat. 12. A multi-function coffee maker according to claim 1, wherein said water distributor assembly and the control valve assembly are working separately; said control valve assembly is constructed by a T-connecting valve. 13. A multi-function coffee maker according to claim 12, wherein said brewing room further includes a pressure hold valve, when it is mounted, the pressure inside the brewing chamber is maintained at 8-10 BAR; when it is not mounted, the pressure inside the brewing chamber is at 0-2.5 BAR. 14. A multi-function coffee maker according to claim 1, wherein, a water injection port is installed at the back of the water reservoir, which may be used as a handle as well. 15. A multi-function coffee maker according to claim 1, wherein the drip coffee brewing accessory has one magnet installed thereon, and the espresso coffee brewing accessory has one magnet installed thereon. 16. A multi-function coffee maker according to claim 2, wherein the tea brewing accessory has two magnets installed thereon.