CN-121987065-A - Coffee purifying and drinking device

Abstract

The application provides coffee water purifying and drinking equipment which comprises a hot water waterway and a cold water waterway which is at least partially independent from the hot water waterway, wherein the cold water waterway comprises a raw water tank, a low-temperature water preparation module and a precooling flow path, the raw water tank is provided with a raw water cavity for storing raw water, the low-temperature water preparation module is arranged at the downstream of the raw water tank along the water flow direction and comprises a cold water tank and a refrigerating assembly, the cold water tank is provided with a cold water cavity communicated with the raw water cavity and is at least used for storing cold water cooled by the refrigerating assembly, the precooling flow path is communicated with the cold water cavity and the raw water cavity, and the precooling flow path is used for refluxing the cold water in the cold water cavity to the raw water cavity so as to form a cold water circulation loop in the cold water waterway. The embodiment aims to solve the problem that the temperature of cold water output by the coffee machine is unstable.

Inventors

• LIN ZHIMING
• SUN QIAN
• ZHAO ZHONG

Assignees

• 佛山市顺德区美的饮水机制造有限公司
• 美的集团股份有限公司

Dates

Publication Date

20260508

Application Date

20260305

Claims (20)

1. 1. A coffee purifying beverage device comprising a hot water waterway and a cold water waterway at least partially independent of the hot water waterway, the cold water waterway comprising: A raw water tank having a raw water chamber for storing raw water; a low-temperature water preparation module arranged at the downstream of the raw water tank along the water flow direction, the low-temperature water preparation module comprising a cold water tank and a refrigeration assembly, the cold water tank having a cold water cavity communicated with the raw water cavity and at least used for storing cold water cooled by the refrigeration assembly, and The precooling flow path is communicated with the cold water cavity and the raw water cavity and is used for refluxing cold water in the cold water cavity to the raw water cavity so as to form a cold water circulation loop in the cold water channel.
2. 2. The coffee purifying beverage apparatus of claim 1, wherein the cold water waterway includes: An extraction module arranged downstream of the low-temperature water preparation module in the water flow direction and at least used for extracting the coffee stock solution at low temperature, and The cold extraction flow path is communicated between the cold water cavity and the extraction module; wherein, the precooling flow path coincides with part of the flow paths of the cold extraction flow path.
3. 3. The coffee purifying beverage apparatus of claim 2, wherein the cold water waterway includes: The water supply treatment module comprises a filter assembly for filtering raw water, wherein the filter assembly is arranged at the upstream of the low-temperature water preparation module along the water flow direction, and a water outlet of the filter assembly is communicated with the cold water cavity.
4. 4. A coffee purifying beverage device as claimed in claim 3, wherein the coffee purifying beverage device comprises: and the normal-temperature water channel is communicated with the water outlet of the filtering assembly and is overlapped with part of the pre-cooling flow path.
5. 5. The coffee purifying beverage apparatus of claim 4, wherein the ambient temperature water waterway comprises: The water inlet end of the main flow path is communicated with the water outlet of the filtering component; A first branch flow path with water inlet end connected to the main flow path and water outlet end connected to the cold water cavity, and And the water inlet end of the second branch flow path is communicated with the main flow path, and the water outlet end of the second branch flow path is communicated with the precooling flow path.
6. 6. The coffee purifying beverage apparatus of claim 5, further comprising: a cold water inlet valve arranged in the first branch flow path, and And a normal temperature water valve arranged in the second branch flow path.
7. 7. The coffee purifying beverage apparatus of claim 5, wherein the pre-cooling flow path comprises: A first pre-cooling section with water inlet end connected to the cold water cavity, and The second pre-cooling section is communicated with the water outlet end of the first pre-cooling section and is communicated with the second branch flow path.
8. 8. The coffee purifying beverage apparatus of claim 7, wherein the cold water waterway includes: The water outlet pump is arranged at the first pre-cooling section, and a water inlet of the water outlet pump is communicated with a water outlet of the cold water tank; The rated output pressure of the water outlet pump is P, and the P is 0bar < P less than or equal to 4bar.
9. 9. The coffee purifying beverage apparatus of claim 7, wherein the coffee purifying beverage apparatus comprises: at least one check valve is provided on at least one of the first pre-cooling section and the second branch flow path.
10. 10. The coffee purifying beverage apparatus of claim 4, wherein the hot water waterway includes: A heat extraction flow path communicated with the water outlet of the filter assembly and the extraction module, and The pressure-bearing instant heating component is arranged in the heat extraction flow path, is arranged in parallel with the low-temperature water preparation module, and is used for heating water flowing into the pressure-bearing instant heating component when the pressure-bearing instant heating component works.
11. 11. The coffee purifying beverage apparatus of claim 10, further comprising: a preheating flow path communicated with the water outlet of the filtering component and the raw water cavity; The preheating flow path is overlapped with at least part of the heat extraction flow path, and the preheating flow path is overlapped with part of the precooling flow path.
12. 12. The coffee purifying beverage apparatus of claim 11, wherein the cold water waterway includes: The reflux valve is arranged in the pre-cooling flow path, and the pre-cooling pipeline is communicated with the raw water cavity through the reflux valve.
13. 13. The coffee purifying beverage apparatus according to claim 12, wherein, The return valve is an electromagnetic valve, and/or The reflux valve is a three-way valve or a four-way valve.
14. 14. A coffee purifying beverage apparatus according to claim 3, wherein the filter assembly comprises: The first filter piece is provided with a first water inlet, a first water outlet, a secondary water inlet and a secondary water outlet, and the first water inlet is communicated with the raw water cavity; The second filter piece is provided with a second water inlet communicated with the first water outlet and a second water outlet communicated with the secondary water inlet; Wherein, the secondary water outlet is communicated with the cold water cavity.
15. 15. The coffee purifying beverage apparatus of claim 14, wherein the first filter member includes a front-end rear-end composite filter element and the second filter member includes a reverse osmosis filter element, the first filter member being disposed side-by-side with the second filter member.
16. 16. The coffee purifying apparatus of claim 1, wherein the refrigeration assembly includes a compressor, a condenser, and an ice making tray connected to each other, the ice making tray having a heat exchanging flow path therein for flowing a cooling medium for heat exchanging with water, the ice making tray communicating with the cold water chamber.
17. 17. The coffee purifying beverage apparatus of claim 16, wherein the low temperature water preparation module comprises: The water delivery pipe is communicated with the cold water cavity and extends from bottom to top; a circulating pump arranged on the water pipe for conveying the water in the cold water cavity to the water pipe, and The shunt tubes are connected and communicated with the upper end of the water delivery pipe and are positioned above the ice making grid, and each shunt tube is provided with a plurality of shunt ports which are communicated with the ice making grid.
18. 18. The coffee purifying beverage apparatus of claim 16, wherein the low temperature water preparation module comprises: The ice storage bin is movably arranged in the cold water tank and is provided with a storage position accommodated in the cold water tank and an ice taking position exposed outside the cold water tank; Wherein, the refrigeration assembly is used for selectively cooling water flowing through the ice making grid into cold water or solidifying the cold water into ice cubes by adjusting the operation frequency of the compressor, the cold water cavity is used for storing the cold water, and the ice storage bin is used for storing the ice cubes.
19. 19. The coffee purifying beverage apparatus of claim 18, wherein the low temperature water preparation module comprises: The water receiving piece is arranged below the ice making grid and is provided with a water receiving groove, and part of the water receiving groove extends to the cold water cavity from top to bottom and is used for receiving the cold water and guiding the cold water into the cold water cavity.
20. 20. The coffee purifying beverage apparatus of claim 18, wherein a refrigerant manifold is disposed between the compressor and the ice making tray, the refrigeration assembly further comprising: the refrigerant valve is arranged on the refrigerant branch pipe and used for controlling the on-off of the refrigerant branch pipe.

Description

Coffee purifying and drinking device Technical Field The application relates to the technical field of coffee machines, in particular to a coffee purifying and drinking device. Background Along with the diversification of the consumption demands of coffee beverages, in order to meet the drinking demands of users on cold beverages, the coffee purifying and drinking devices in the related art have a cold extraction function and a cold water direct drinking function. In order to realize cold extraction coffee making or cold water direct drinking, a corresponding refrigeration structure is arranged in a cold flow path, and after raw water is cooled, cold water is conveyed to a using end to finish extraction or direct drinking. However, due to the limitation of the internal structure layout of the system, a conveying pipeline with a certain length exists among the water storage structure, the refrigeration structure and the use end, and cold water can be influenced by the environmental temperature of the pipeline in the process of conveying the cold water to the use end through the pipeline, especially in the first use after long-time unused, so that the temperature of the outlet water is changed and cannot be stably maintained in an ideal low-temperature state. Disclosure of Invention The embodiment of the application provides a coffee purifying and drinking device, which aims to solve the problem that the temperature of cold water output by a coffee machine is unstable. The embodiment of the application provides a coffee purifying and drinking device, which comprises a hot water waterway and a cold water waterway which is at least partially independent from the hot water waterway, wherein the cold water waterway comprises: A raw water tank having a raw water chamber for storing raw water; a low-temperature water preparation module arranged at the downstream of the raw water tank along the water flow direction, the low-temperature water preparation module comprising a cold water tank and a refrigeration assembly, the cold water tank having a cold water cavity communicated with the raw water cavity and at least used for storing cold water cooled by the refrigeration assembly, and The precooling flow path is communicated with the cold water cavity and the raw water cavity and is used for refluxing cold water in the cold water cavity to the raw water cavity so as to form a cold water circulation loop in the cold water channel. In some of these embodiments, the cold water waterway comprises: An extraction module arranged downstream of the low-temperature water preparation module in the water flow direction and at least used for extracting the coffee stock solution at low temperature, and The cold extraction flow path is communicated between the cold water cavity and the extraction module; wherein, the precooling flow path coincides with part of the flow paths of the cold extraction flow path. In some of these embodiments, the cold water waterway comprises: The water supply treatment module comprises a filter assembly for filtering raw water, wherein the filter assembly is arranged at the upstream of the low-temperature water preparation module along the water flow direction, and a water outlet of the filter assembly is communicated with the cold water cavity. In some of these embodiments, the coffee purifying device comprises: and the normal-temperature water channel is communicated with the water outlet of the filtering assembly and is overlapped with part of the pre-cooling flow path. In some embodiments thereof, the normal temperature water waterway includes: The water inlet end of the main flow path is communicated with the water outlet of the filtering component; A first branch flow path with water inlet end connected to the main flow path and water outlet end connected to the cold water cavity, and And the water inlet end of the second branch flow path is communicated with the main flow path, and the water outlet end of the second branch flow path is communicated with the precooling flow path. In some of these embodiments, further comprising: a cold water inlet valve arranged in the first branch flow path, and And a normal temperature water valve arranged in the second branch flow path. In some of these embodiments, the cold water waterway comprises: The water outlet pump is arranged at the first pre-cooling section, and a water inlet of the water outlet pump is communicated with a water outlet of the cold water tank; The rated output pressure of the water outlet pump is P, and the P is 0bar < P less than or equal to 4bar. In some of these embodiments, the coffee purifying device comprises: at least one check valve is provided on at least one of the first pre-cooling section and the second branch flow path. In some of these embodiments, the hot water waterway comprises: A heat extraction flow path communicated with the water outlet of the filter assembly and the extraction module, and The pressure-bearing ins