CN117958604A - Pressure-regulating brewing pipeline, coffee machine and coffee brewing pressure-regulating control method - Google Patents
Pressure-regulating brewing pipeline, coffee machine and coffee brewing pressure-regulating control method Download PDFInfo
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- CN117958604A CN117958604A CN202410377916.2A CN202410377916A CN117958604A CN 117958604 A CN117958604 A CN 117958604A CN 202410377916 A CN202410377916 A CN 202410377916A CN 117958604 A CN117958604 A CN 117958604A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 240
- 230000001105 regulatory effect Effects 0.000 claims abstract description 159
- 230000001276 controlling effect Effects 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 4
- 238000013124 brewing process Methods 0.000 description 19
- 239000012530 fluid Substances 0.000 description 9
- 241000533293 Sesbania emerus Species 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 239000010808 liquid waste Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000007363 regulatory process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention relates to the technical field of coffee machines, in particular to a pressure-regulating brewing pipeline, a coffee machine and a coffee brewing pressure-regulating control method, wherein the pressure-regulating brewing pipeline comprises a liquid outlet pump assembly, a liquid inlet, a first liquid outlet, a second liquid outlet and a third liquid outlet which are respectively communicated with a cavity are arranged at a communication joint, and the liquid outlet and the liquid inlet of the pump assembly are connected through the liquid inlet pipeline; the liquid inlet end of the first pressure regulating pipeline is connected with the first liquid outlet, and the first switch valve is used for controlling the on and off of the first pressure regulating pipeline; the liquid inlet end of the second pressure regulating pipeline is connected with the second liquid outlet, and the second switching valve is used for controlling the on and off of the second pressure regulating pipeline, wherein the set pressure of the first pressure relief valve is different from the set pressure of the second pressure relief valve; the liquid inlet end of the liquid outlet pipeline is connected with the third liquid outlet, and the liquid outlet end of the liquid outlet pipeline is communicated with the brewing head, so that different liquid outlet pressures can be provided for a user in the process of brewing coffee, and the quality of coffee brewing is improved.
Description
Technical Field
The invention relates to the technical field of coffee machines, in particular to a pressure-regulating brewing pipeline, a coffee machine and a coffee brewing pressure-regulating control method.
Background
Coffee machines are a common beverage making device, the main function of which is to mix ground coffee powder with water or other liquids to make a tasty coffee. However, during the brewing process of coffee, control of the liquid pressure is critical to the mouthfeel and quality of the coffee. In the existing coffee machine, the pressure of liquid cannot be regulated in real time according to coffee powder and brewing requirements, so that the taste and quality of coffee are unstable, and the taste requirements of different users cannot be met.
Disclosure of Invention
Based on this, it is necessary to provide a pressure-regulating brewing pipeline, a coffee machine and a coffee brewing pressure-regulating control method for providing different liquid outlet pressures for users in the process of brewing coffee, which are beneficial to improving the quality of coffee brewing.
In a first aspect, the application discloses a pressure regulating brewing line comprising: a pump assembly having a liquid outlet; the communication joint is provided with a cavity, the communication joint is provided with a liquid inlet, a first liquid outlet, a second liquid outlet and a third liquid outlet which are respectively communicated with the cavity, and the liquid outlet of the pump assembly is connected with the liquid inlet through a liquid inlet pipeline; the liquid inlet end of the first pressure regulating pipeline is connected with the first liquid outlet, a first switch valve and a first pressure relief valve are arranged on the first pressure regulating pipeline, and the first switch valve is used for controlling the on and off of the first pressure regulating pipeline; the liquid inlet end of the second pressure regulating pipeline is connected with the second liquid outlet, a second switch valve and a second pressure relief valve are arranged on the second pressure regulating pipeline, and the second switch valve is used for controlling the on and off of the second pressure regulating pipeline, wherein the set pressure of the first pressure relief valve is different from the set pressure of the second pressure relief valve; the liquid outlet pipeline, the liquid inlet end of liquid outlet pipeline with the third liquid outlet links to each other, the liquid outlet end of liquid outlet pipeline is used for with dashing the bubble head intercommunication.
The application discloses a pressure-regulating brewing pipeline, which enables liquid to be conveyed to a communication joint through a liquid outlet of a pump assembly under the action of the pump assembly and form a pipeline through a plurality of outlets. The fluid inlet is communicated with the fluid inlet of the communicating joint through the cavity of the communicating joint, so that coffee fluid flows into the cavity of the communicating joint through the fluid inlet, and in the communicating joint, the fluid is split through different fluid outlets and respectively enters the first pressure regulating pipeline, the second pressure regulating pipeline and the fluid outlet pipeline.
Specifically, in the first pressure regulating pipeline, the first switch valve is used for controlling the on and off of the pipeline, and in the state that the first switch valve is opened, liquid flows through the first pressure regulating pipeline, and as the first pressure regulating pipeline is provided with the first pressure relief valve, if the pressure in the pipeline exceeds the set pressure of the first pressure relief valve, the first pressure relief valve can be automatically opened to release redundant pressure, so that the pressure in the pipeline is ensured to be stabilized within the set pressure range of the first pressure relief valve. Similarly, in the state that the second switch valve is controlled to be opened, liquid flows through the second pressure regulating pipeline, and as the second pressure relief valve is arranged on the second pressure regulating pipeline, if the pressure in the pipeline exceeds the second pressure relief valve, the second pressure relief valve can be automatically opened to release redundant pressure, so that the pressure in the pipeline is ensured to be stabilized within the set pressure range of the second pressure relief valve.
It will be appreciated that the inlet, first and second pressure regulating lines and the outlet line are interconnected by the communication connection such that the fluid pressure in each line is maintained consistent.
Because the set pressure of the first pressure release valve is different from the set pressure of the second pressure release valve, for example, the set pressure of the first pressure release valve is lower than the set pressure of the second pressure release valve, under the condition that the first switch valve and the second switch valve are opened, the liquid inlet pipeline, the first pressure regulating pipeline, the second pressure regulating pipeline and the liquid outlet pipeline can be maintained at the set pressure of the first pressure release valve, and under the condition that the first switch valve is closed, the second pressure regulating pipeline and the liquid outlet pipeline can be maintained at the set pressure of the second pressure release valve, so that the pipeline pressure of the liquid outlet pipeline for supplying liquid of the brewing head can be obtained by opening or closing the corresponding switch valves. Therefore, more flexible and accurate pressure control is realized, a user can also carry out proper brewing pressure adjustment according to different coffee beans or different brewing stages, the pressure-adjusting brewing pipeline is simple in structure, stable and proper pressure can be provided for coffee brewing, coffee powder is better extracted, richer coffee aroma and taste are released, and the quality of coffee brewing is improved.
Further, the third pressure regulating pipeline, the fourth pressure regulating pipeline, the fifth pressure regulating pipeline and the like can be set according to requirements, and accordingly, a pressure release valve is correspondingly arranged in the third pressure regulating pipeline, the fourth pressure regulating pipeline, the fifth pressure regulating pipeline or each other pressure regulating pipeline, so that the pressure of the brewed coffee can be adjusted according to the control of the switch valve on the corresponding pipeline. The multistage pressure regulating method can realize intelligent and accurate pressure regulation.
In any of the above technical solutions, the first switch valve and/or the second switch valve is an electromagnetic valve. The electromagnetic valve is used as an electronic control valve and has the characteristics of high response speed and high control precision. By accurately controlling the opening and closing of the electromagnetic valve, the on-off of the coffee brewing pipeline can be accurately regulated, so that the pressure in the brewing process is stable and adjustable.
Further, the electromagnetic valve can be combined with an intelligent control system to realize automatic control of the brewing process. Through preset parameters or programming, the on-off state of the electromagnetic valve can be automatically adjusted to adapt to pressure requirements under the conditions of different coffee bean types, grinding degree, brewing and the like, so that the convenience and efficiency of brewing are greatly improved, and the error of manual operation is reduced.
In any of the above technical solutions, the boiler comprises a boiler component, wherein the liquid outlet end of the liquid outlet pipeline is connected with the liquid inlet end of the boiler component, the boiler component can heat the liquid conveyed by the liquid outlet pipeline, and the liquid outlet end of the boiler component is communicated with the brewing head. The liquid outlet end of the liquid outlet pipeline is connected with the boiler component, and the boiler component can heat liquid conveyed by the liquid outlet pipeline, so that the constant and proper water temperature used in the coffee brewing process is ensured. The water temperature is one of important factors influencing the taste of coffee, and the stability of the brewing temperature of the coffee can be ensured by precisely controlling the temperature of the boiler assembly, so that the flavor substances in the coffee beans can be better extracted.
In any of the above technical solutions, the water receiving device further comprises a water receiving device, the water receiving device is provided with a liquid storage cavity, the liquid outlet end of the first pressure regulating pipeline is communicated with the liquid storage cavity, and the liquid outlet end of the second pressure regulating pipeline is communicated with the liquid storage cavity. By being provided with the water receiving device, wherein the water receiving device is provided with the liquid storage cavity, can concentrate the liquid that first pressure regulating pipeline and second pressure regulating pipeline export and store, can make the user can more conveniently manage and utilize these liquids, or recycle, for example be used for subsequent brewing process or other uses, again carry in the pressure regulating brewing pipeline through pump assembly again for example.
In any of the above technical solutions, the liquid outlet pipe further comprises a fourth switch valve, the fourth switch valve is arranged on the liquid outlet pipe, and the fourth switch valve is used for controlling the on and off of the liquid outlet pipe. The liquid outlet pipeline is provided with the fourth switch valve, and the fourth switch valve can control the on and off of the liquid outlet pipeline, for example, the liquid outlet pipeline can be cut off when brewing is not needed, and liquid waste is avoided by closing the fourth switch valve.
In any of the above solutions, the pump assembly further comprises a one-way valve disposed on the liquid inlet line, the one-way valve configured to control the pump assembly to unidirectionally deliver liquid to the communication joint. Through being provided with the check valve on the feed liquor pipeline, guaranteed the pump assembly to the one-way transport liquid of intercommunication joint, effectively prevented the backflow phenomenon of liquid in the pipeline, the check valve is through preventing the liquid refluence moreover to be favorable to reducing pressure fluctuation and the impact in the pipeline, reduce the risk that the pipeline breaks or leaks.
In any of the above technical solutions, the device further comprises a pressure gauge, wherein the pressure gauge is used for detecting the pipeline pressure of the liquid inlet pipeline. The pressure gauge can detect the pipeline pressure of the liquid inlet pipeline in real time, and provides accurate pressure data for users, so that the users can adjust brewing parameters more accurately by observing the data of the pressure gauge, the users can know the pressure condition in the pipeline at any time, and the pressure control in the brewing process is ensured to be in a proper range. Specifically, the manometer sets up in the feed liquor mouth department that the intercommunication connects and feed liquor pipeline are connected, and the user can obtain the hydraulic information of whole pressure regulating brewing pipeline more fast and accurately, reduces the problem that pressure information feedback lags in the pressure regulating process.
In any of the above embodiments, the communication joint is configured as a four-way joint. The four-way joint is provided with four openings, namely the liquid inlet, the first liquid outlet, the second liquid outlet and the third liquid outlet, so that the liquid inlet pipeline, the first pressure regulating pipeline, the second pressure regulating pipeline and the liquid outlet pipeline are communicated through the four-way joint.
Of course, the communication joint can be set to be a multi-way joint according to pressure regulation requirements, so that more pipelines are allowed to be connected, and multi-stage pressure regulation can be set.
In any of the above technical solutions, the pressure regulating device further comprises a third pressure regulating pipeline, the communication joint is configured as a five-way joint, the five-way joint further comprises a fourth liquid outlet, the third pressure regulating pipeline is connected with the fourth liquid outlet, a third switching valve and a third pressure relief valve are arranged on the third pressure regulating pipeline, the third switching valve is used for controlling the on and off of the third pressure regulating pipeline, and the set pressures of the first pressure relief valve, the second pressure relief valve and the third pressure relief valve are different. By adding a third pressure regulating line, the brewing system is enabled to provide liquid outputs of three different pressures or flows simultaneously. Specifically, the communication joint is configured as a five-way joint with five openings, a fourth liquid outlet of the five-way joint is communicated with a third pressure regulating pipeline, a third switch valve and a third pressure relief valve are arranged on the third pressure regulating pipeline, and the pressure set by the first pressure relief valve, the second pressure relief valve and the third pressure relief valve are different, so that the selectable pressure regulating value is increased.
As shown in fig. 2, the pressure-regulating brewing pipeline is three-stage pressure regulation, for example, the set pressure of the first relief valve is 6bar, the set pressure of the second relief valve is 9bar, and the set pressure of the third relief valve is 12bar, so that the pressure of the liquid outlet pipeline can be controlled by controlling the first switch valve, the second switch valve and the third switch valve. When the pressure of the liquid outlet pipeline is required to be controlled to be 9bar, the first switch valve is controlled to be closed, the second switch valve and the third switch valve are kept to be opened, and along with the progress of the coffee brewing process, if the liquid outlet pressure is required to be higher in the subsequent stage, for example, the liquid outlet pressure is required to be controlled to be 12bar, the first switch valve and the second switch valve can be controlled to be in a closed state, so that the liquid outlet pressure of the liquid outlet pipeline is maintained to be 12bar.
A second aspect of the application discloses a coffee machine comprising a pressure-regulating brewing line and a brewing head assembly according to any of the embodiments described above, the pressure-regulating brewing line being configured to deliver liquid to the brewing head assembly. By applying the pressure-regulating brewing pipeline to the coffee machine, the pressure of the pipeline can be regulated by controlling the corresponding switching valve to be closed in the process of brewing coffee, so that more flexible and accurate pressure control is realized, and liquid with different pressures is conveyed to the brewing head assembly through the pressure-regulating brewing pipeline to perform coffee extraction, so that a user can perform proper brewing pressure regulation according to different coffee beans or different brewing stages, coffee powder can be better extracted, richer coffee aroma and taste are released, and the quality of coffee brewing is improved.
A third aspect of the present application discloses a coffee brewing pressure regulating control method, which is applied to a coffee machine as described above, and includes:
s1, detecting a brewing instruction of a coffee machine;
s2, electrifying the pump assembly based on a brewing starting instruction of the coffee machine, so that the pump assembly conveys liquid to the communication joint;
S3, controlling the first switch valve, the second switch valve, the fourth switch valve arranged on the liquid outlet pipeline and the one-way valve arranged on the liquid inlet pipeline to be opened;
S4, obtaining a brewing pressure regulating instruction;
S5, judging whether the set pressure of the first pressure relief valve and the set pressure of the second pressure relief valve are larger than or equal to the numerical value of the brewing pressure regulating instruction or not based on the numerical value of the brewing pressure regulating instruction;
s6, if the first pressure relief valve is larger than or equal to the numerical value of the brewing pressure regulating instruction, controlling the first switch valve to be opened, and if not, controlling the first switch valve to be closed;
And S7, if the second pressure relief valve is larger than or equal to the numerical value of the brewing pressure regulating instruction, controlling the second switching valve to be opened, and if not, controlling the second switching valve to be closed.
According to the coffee brewing pressure regulating control method disclosed by the application, firstly, the command of starting brewing of the coffee machine is detected, when the command of starting brewing is received, the system can electrify the pump assembly, so that the pump assembly starts working, and liquid is conveyed to the communicating joint, so that enough liquid flow is ensured in the coffee brewing process, and preparation is made for subsequent pressure regulating control. Moreover, the system controls the first switch valve, the second switch valve, the fourth switch valve on the liquid outlet pipeline and the one-way valve on the liquid inlet pipeline to be opened, so that liquid is fed into each pipeline, and the system needs to be noted here that when the system is provided with a multi-stage pressure regulating pipeline, all the corresponding switch valves on the pressure regulating pipelines can be correspondingly opened. The system then obtains the value of the brewing pressure adjustment command, which may be from a user setting or a preset program, so that the pressure adjustment can be performed according to the user's needs or program requirements during the brewing process. Further, based on the numerical value of the brewing pressure regulating instruction, the system judges whether the set pressures of the first pressure relief valve and the second pressure relief valve meet the requirement, if the set pressures of the pressure relief valves are lower than the numerical value of the brewing pressure regulating instruction, the corresponding switch valves arranged on the pipelines of the pressure relief valves are controlled to be closed, and the corresponding switch valves arranged on the pipelines of other pressure relief valves are kept to be connected, so that the regulation and control of pipeline pressure are realized.
Drawings
FIG. 1 is a schematic diagram of a pressure regulating brewing line according to an embodiment of the present application;
FIG. 2 is a second schematic diagram of a pressure-regulating brewing line according to an embodiment of the present application;
Fig. 3 is a schematic diagram of a coffee brewing pressure regulating control method according to an embodiment of the application.
Wherein, the correspondence between the reference numerals and the component names is:
100 liquid inlet pipelines, 200 first pressure regulating pipelines, 300 second pressure regulating pipelines, 400 liquid outlet pipelines, 500 third pressure regulating pipelines and 600 brewing head assemblies;
1 pump assembly, 2 joint, 31 first switch valve, 32 first relief valve, 41 second switch valve, 42 second relief valve, 5 boiler assembly, 6 water receiving device, 7 fourth switch valve, 81 check valve, 82 manometer, 91 third switch valve, 92 third relief valve.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that the features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
The pressure-regulating brewing pipeline, the coffee machine and the coffee brewing pressure-regulating control method according to some embodiments of the invention are described below with reference to the accompanying drawings.
Embodiment one: as shown in fig. 1 to 2, the present embodiment discloses a pressure-regulating brewing pipeline, which includes: a pump assembly 1, the pump assembly 1 being provided with a liquid outlet; the communication joint 2 is provided with a cavity, the communication joint 2 is provided with a liquid inlet, a first liquid outlet, a second liquid outlet and a third liquid outlet which are respectively communicated with the cavity, the liquid outlet of the pump assembly 1 is connected with the liquid inlet through a liquid inlet pipeline 100; the liquid inlet end of the first pressure regulating pipeline 200 is connected with the first liquid outlet, the first pressure regulating pipeline 200 is provided with a first switch valve 31 and a first pressure relief valve 32, and the first switch valve 31 is used for controlling the on and off of the first pressure regulating pipeline 200; the second pressure regulating pipeline 300, wherein a liquid inlet end of the second pressure regulating pipeline 300 is connected with the second liquid outlet, a second switch valve 41 and a second pressure relief valve 42 are arranged on the second pressure regulating pipeline 300, the second switch valve 41 is used for controlling the on and off of the second pressure regulating pipeline 300, and the set pressure of the first pressure relief valve 32 is different from the set pressure of the second pressure relief valve 42; the liquid outlet pipeline 400, the liquid inlet end of the liquid outlet pipeline 400 is connected with the third liquid outlet, and the liquid outlet end of the liquid outlet pipeline 400 is used for communicating with the brewing head.
The application discloses a pressure-regulating brewing pipeline, which enables liquid to be conveyed to a communication joint 2 through a liquid outlet of a pump assembly 1 under the action of the pump assembly 1 with certain hydraulic pressure and form a pipeline through a plurality of outlets. Wherein, the communication joint 2 includes four openings at least, be inlet, first liquid outlet, second liquid outlet and third liquid outlet respectively, and these four openings all form feed liquor pipeline 100 through the cavity intercommunication of communication joint 2 between pump assembly 1 and the inlet of communication joint 2, like this, coffee liquid flows into the cavity of communication joint 2 through feed liquor pipeline 100, in communication joint 2, and liquid shunts through different liquid outlets, gets into first pressure regulating pipeline 200, second pressure regulating pipeline 300 and play liquid pipeline 400 respectively.
Specifically, in the first pressure regulating pipeline 200, the first switch valve 31 is used to control the on and off of the pipeline, and in the state that the first switch valve 31 is opened, the liquid flows through the first pressure regulating pipeline 200, and since the first pressure release valve 32 is arranged on the first pressure regulating pipeline 200, if the pressure in the pipeline exceeds the set pressure of the first pressure release valve 32, the first pressure release valve 32 will automatically open to release the redundant pressure, so as to ensure that the pressure in the pipeline is stabilized within the set pressure range of the first pressure release valve 32. Similarly, in a state where the second switching valve 41 is controlled to be opened, the liquid flows through the second pressure regulating pipeline 300, and since the second pressure regulating pipeline 300 is provided with the second pressure relief valve 42, if the pressure in the pipeline exceeds the second pressure relief valve 42, the second pressure relief valve 42 will automatically open to release the redundant pressure, so as to ensure that the pressure in the pipeline is stabilized within the set pressure range of the second pressure relief valve 42.
It will be appreciated that the inlet line 100, the first pressure regulating line 200, the second pressure regulating line 300 and the outlet line 400 are in communication with one another by the communication joint 2, such that the fluid pressure in the respective lines is maintained consistent.
Since the set pressure of the first relief valve 32 is different from the set pressure of the second relief valve 42, for example, the set pressure of the first relief valve 32 is lower than the set pressure of the second relief valve 42, when the first switch valve 31 and the second switch valve 41 are opened, the liquid inlet line 100, the first pressure regulating line 200, the second pressure regulating line 300 and the liquid outlet line 400 are maintained at the set pressure of the first relief valve 32, and when the first switch valve 31 is closed, the second pressure regulating line 300 and the liquid outlet line 400 are maintained at the set pressure of the second relief valve 42, so that the line pressure of the liquid outlet line 400 for supplying the liquid of the brewing head can be obtained by opening or closing the corresponding switch valves. Therefore, more flexible and accurate pressure control is realized, a user can also carry out proper brewing pressure adjustment according to different coffee beans or different brewing stages, the pressure-adjusting brewing pipeline is simple in structure, stable and proper pressure can be provided for coffee brewing, coffee powder is better extracted, richer coffee aroma and taste are released, and the quality of coffee brewing is improved.
As shown in fig. 1, by way of example, the set pressure of the first relief valve 32 is 6bar, the set pressure of the second relief valve 42 is 9bar, so that when the pump assembly 1 is delivering water to the communication joint 2 and the first and second switch valves 31 and 41 are opened, the inlet, first and second pressure regulating circuits 100 and 300 and the outlet circuit 400 maintain a pressure of 6bar, so that the liquid pressure to the brewing head is 6bar, and different pressures are required in different coffee brewing processes, and the inlet, second and outlet circuits 100 and 300 and 400 can be maintained at 9bar under the adjustment of the second relief valve 42 by closing the first switch valve 31, so as to realize the regulation of the outlet pressure to adapt to different coffee brewing pressure requirements.
Of course, the third pressure regulating line 500, the fourth pressure regulating line, the fifth pressure regulating line, etc. may be set as required, and accordingly, a pressure release valve may be provided in the third pressure regulating line 500, the fourth pressure regulating line, the fifth pressure regulating line, or each of the other pressure regulating lines, respectively, so that the pressure of brewed coffee may be adjusted according to the control of the on-off valve on the corresponding line. The multistage pressure regulating method can realize intelligent and accurate pressure regulation.
More specifically, the first relief valve 32 and the second relief valve 42 are relief valves, and the first relief valve 32 and the second relief valve 42 respectively set different pressure values, so that under the action of the pump assembly 1, the pressure of a pipeline entering the pressure-regulating brewing pipeline is higher, and when the pressure in the pipeline reaches or exceeds the set values, the relief valves are opened to perform pressure regulation, so that the pressure in the pipeline is ensured not to exceed the set values, and the pressure regulating effect is achieved.
In addition to the features of the above embodiments, the present embodiment further defines: the first switching valve 31 and/or the second switching valve 41 are/is electromagnetic valves. The electromagnetic valve is used as an electronic control valve and has the characteristics of high response speed and high control precision. By accurately controlling the opening and closing of the electromagnetic valve, the on-off of the coffee brewing pipeline can be accurately regulated, so that the pressure in the brewing process is stable and adjustable.
Further, the electromagnetic valve can be combined with the intelligent control system to realize automatic control of the brewing process, for example, the on-off state of the electromagnetic valve can be automatically adjusted through preset parameters or programming so as to adapt to pressure requirements under the conditions of different coffee bean types, grinding degree, brewing and the like, so that the convenience and efficiency of brewing are greatly improved, and the error of manual operation is reduced.
In addition to the features of the above embodiments, the present embodiment further defines: still include boiler assembly 5, go out the liquid end of liquid pipeline 400 with the feed liquor end of boiler assembly 5 is connected, boiler assembly 5 can heat go out the liquid that liquid pipeline 400 carried, the play liquid end of boiler assembly 5 is used for with dash the bubble head intercommunication. Through being connected the play liquid end of play liquid pipeline 400 with boiler assembly 5, boiler assembly 5 can heat the liquid that goes out liquid pipeline 400 and carry, ensures that the temperature of water that the coffee was used in the brewing process is invariable and suitable. The water temperature is one of the important factors affecting the taste of the coffee, and by precisely controlling the temperature of the boiler assembly 5, the stability of the brewing temperature of the coffee can be ensured, thereby better extracting the flavor substances in the coffee beans.
In addition to the features of the above embodiments, the present embodiment further defines: still include water receiving arrangement 6, water receiving arrangement 6 is equipped with the stock solution chamber, the play liquid end of first pressure regulating pipeline 200 with the stock solution chamber intercommunication, the play liquid end of second pressure regulating pipeline 300 with the stock solution chamber intercommunication. By providing the water receiving device 6, wherein the water receiving device 6 is provided with a liquid storage cavity, the liquid output by the first pressure regulating pipeline 200 and the second pressure regulating pipeline 300 can be stored in a concentrated manner, so that a user can more conveniently manage and utilize the liquid, or recycle the liquid, for example, the liquid for a subsequent brewing process or other purposes, and the liquid is conveyed into the pressure regulating brewing pipeline again through the pump assembly 1.
The present embodiment further defines: the liquid outlet pipeline 400 is provided with a fourth switch valve 7, and the fourth switch valve 7 is used for controlling the on and off of the liquid outlet pipeline 400. By providing the fourth switching valve 7 on the liquid outlet pipe 400, the fourth switching valve 7 can control the on and off of the liquid outlet pipe 400, for example, the liquid outlet pipe 400 can be cut off when brewing is not required, and liquid waste is avoided by closing the fourth switching valve 7.
In more detail, the fourth switching valve 7 adopts a solenoid valve, so that the solenoid valve can be combined with an intelligent control system to realize automatic control of the brewing process.
The present embodiment further defines: and the device further comprises a one-way valve 81, wherein the one-way valve 81 is arranged on the liquid inlet pipeline 100, and the one-way valve 81 is configured to control the pump assembly 1 to unidirectionally convey liquid to the communication joint 2. Through being provided with the check valve 81 on feed liquor pipeline 100, guaranteed that pump unit 1 is to the one-way transport liquid of communication joint 2, effectively prevented the phenomenon of flowing backwards of liquid in the pipeline, the check valve 81 is through preventing the liquid from flowing backwards moreover to be favorable to reducing pressure fluctuation and the impact in the pipeline, reduce the risk that the pipeline breaks or leaks.
The present embodiment further defines: also included is a pressure gauge 82, the pressure gauge 82 being adapted to detect line pressure in the inlet line 100. The pressure gauge 82 can detect the pipeline pressure of the liquid inlet pipeline 100 in real time, and provides accurate pressure data for users, so that the users can adjust brewing parameters more accurately by observing the data of the pressure gauge 82, the users can know the pressure condition in the pipeline at any time, and the pressure control in the brewing process is ensured to be in a proper range. Specifically, the pressure gauge 82 is disposed on the liquid inlet connected to the liquid inlet pipeline 100 by the communication connector, so that a user can obtain the hydraulic information of the whole pressure-regulating brewing pipeline more quickly and accurately, and the problem of pressure information feedback lag in the pressure regulating process is reduced.
As shown in fig. 1, this embodiment further defines, in addition to the features of the above-described embodiment: the communication joint 2 is configured as a four-way joint 2. The four-way connector is provided with four openings, namely the liquid inlet, the first liquid outlet, the second liquid outlet and the third liquid outlet, so that the liquid inlet pipeline 100, the first pressure regulating pipeline 200, the second pressure regulating pipeline 300 and the liquid outlet pipeline 400 are all communicated through the four-way connector.
Of course, the communication joint 2 can be set as a multi-way joint 2 according to pressure regulation requirements, so that more pipelines are allowed to be connected, and multi-stage pressure regulation can be set.
In addition to the features of the above embodiments, the present embodiment further defines: still include third pressure regulating pipeline 500, the intercommunication connects 2 configuration to the five-way joint, the five-way joint still includes the fourth liquid outlet, third pressure regulating pipeline 500 with the fourth liquid outlet links to each other, be equipped with third ooff valve 91 and third relief valve 92 on the third pressure regulating pipeline 500, third ooff valve 91 is used for control switching on and off of third pressure regulating pipeline 500, first relief valve 32 second relief valve 42 and the settlement pressure of third relief valve 92 are all inequality. By adding the third pressure regulating line 500, the brewing system is enabled to provide liquid outputs of three different pressures or flows simultaneously. Specifically, the communication joint 2 is configured as a five-way joint with five openings, the fourth liquid outlet of the five-way joint is communicated with the third pressure regulating pipeline 500, the third pressure regulating pipeline 500 is provided with the third switch valve 91 and the third pressure relief valve 92, and the pressure set by configuring the first pressure relief valve 32, the second pressure relief valve 42 and the third pressure relief valve 92 is different, so that the selectable pressure regulating value is increased.
As shown in fig. 2, the pressure-regulating brewing pipeline is three-stage pressure regulation, for example, the set pressure of the first relief valve 32 is 6bar, the set pressure of the second relief valve 42 is 9bar, and the set pressure of the third relief valve 92 is 12bar, so that the pressure of the liquid outlet pipeline 400 can be controlled by controlling the first switch valve 31, the second switch valve 41 and the third switch valve 91. When the pressure of the liquid outlet pipe 400 is required to be controlled to be 9bar, the first switch valve 31 is controlled to be closed, and the second switch valve 41 and the third switch valve 91 are kept open, and as the coffee brewing process proceeds, if a higher liquid outlet pressure is required in a subsequent stage, for example, the liquid outlet pressure is required to be controlled to be 12bar, the first switch valve 31 and the second switch valve 41 can be controlled to be in a closed state, so that the liquid outlet pressure of the liquid outlet pipe 400 is maintained to be 12bar.
Embodiment two: an embodiment of the second aspect of the present application discloses a coffee maker comprising: the pressure regulating brewing line and brewing head assembly 600 of any of the embodiments described above, the pressure regulating brewing line configured to deliver liquid to the brewing head assembly 600. By applying the pressure-regulating brewing pipeline in the coffee machine, the pressure of the pipeline can be regulated by controlling the corresponding switch valve to be closed in the process of brewing coffee, thereby realizing more flexible and accurate pressure control, and delivering liquid with different pressures to the brewing head assembly 600 through the pressure-regulating brewing pipeline for coffee extraction, so that a user can perform proper brewing pressure regulation according to different coffee beans or different brewing stages, better extract coffee powder, release richer coffee aroma and taste, and help to improve the quality of coffee brewing,
Embodiment III: as shown in fig. 3, an embodiment of the third aspect of the present application discloses a coffee brewing pressure regulating control method, which is applied to a coffee machine as described above, and includes:
S1: detecting a brewing instruction of the coffee machine;
S2: energizing the pump assembly 1 based on a brewing start instruction of the coffee machine, causing the pump assembly 1 to deliver liquid to the communication connection 2;
s3: the first switch valve 31, the second switch valve 41, the fourth switch valve 7 arranged on the liquid outlet pipeline 400 and the one-way valve 81 arranged on the liquid inlet pipeline 100 are controlled to be opened;
S4: acquiring a brewing pressure regulating instruction;
S5: judging whether the set pressure of the first relief valve 32 and the set pressure of the second relief valve 42 are equal to or greater than the value of the brewing pressure regulating command based on the value of the brewing pressure regulating command;
S6: if the first pressure release valve 32 is greater than or equal to the value of the brewing pressure regulating command, the first switch valve 31 is controlled to be opened, and if not, the first switch valve 31 is controlled to be closed;
s7: and if the second pressure release valve 42 is larger than or equal to the value of the brewing pressure regulating command, the second switch valve 41 is controlled to be opened, and if not, the second switch valve 41 is controlled to be closed.
According to the coffee brewing pressure regulating control method disclosed by the application, firstly, the command of starting brewing of the coffee machine is detected, when the command of starting brewing is received, the system can energize the pump assembly 1, so that the pump assembly 1 starts to work, and liquid is conveyed to the communication joint 2, so that enough liquid flow in the coffee brewing process is ensured, and preparation is made for subsequent pressure regulating control. Moreover, the system controls the first switch valve 31, the second switch valve 41, the fourth switch valve 7 on the liquid outlet pipe 400 and the check valve 81 on the liquid inlet pipe 100 to be opened, so that liquid is fed into each pipe, and it should be noted here that when the system has multiple pressure regulating pipes, all the corresponding switch valves on the pressure regulating pipes can be correspondingly opened. The system then obtains the value of the brewing pressure adjustment command, which may be from a user setting or a preset program, so that the pressure adjustment can be performed according to the user's needs or program requirements during the brewing process. Further, based on the value of the brewing pressure regulating command, the system determines whether the set pressures of the first relief valve 32 and the second relief valve 42 meet the requirement, for example, the set pressure of the first relief valve 32 is 6bar, the pressure of the second relief valve 42 is 9bar, and in the state that the first relief valve 32 and the second relief valve 42 are simultaneously kept open, the liquid inlet pipeline 100, the first pressure regulating pipeline 200, the second pressure regulating pipeline 300 and the liquid outlet pipeline 400 are communicated, so that the pipelines communicated by the communication joint 2 are all at the set pressure of the first relief valve 32, at this time, the value of the brewing pressure regulating command acquired by the system is 9bar, the second switch valve 41 needs to be kept open, and the first switch valve 31 is controlled to be closed. In this step, the value of the brewing pressure regulating command can be compared with the first pressure release valve 32 and the second pressure release valve 42, if the set pressure of the pressure release valve is lower than the value of the brewing pressure regulating command, the corresponding switch valve on the pipeline of the pressure release valve is controlled to be closed, and the corresponding switch valves on the pipelines of other pressure release valves are kept on, so that the regulation and control of pipeline pressure are realized.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A pressure regulating brewing line comprising:
a pump assembly (1), the pump assembly (1) being provided with a liquid outlet;
The communication joint (2), the communication joint (2) is provided with a cavity, the communication joint (2) is provided with a liquid inlet, a first liquid outlet, a second liquid outlet and a third liquid outlet which are respectively communicated with the cavity, the liquid outlet of the pump assembly (1) is connected with the liquid inlet through a liquid inlet pipeline (100);
the liquid inlet end of the first pressure regulating pipeline (200) is connected with the first liquid outlet, a first switch valve (31) and a first pressure relief valve (32) are arranged on the first pressure regulating pipeline (200), and the first switch valve (31) is used for controlling the on and off of the first pressure regulating pipeline (200);
The liquid inlet end of the second pressure regulating pipeline (300) is connected with the second liquid outlet, a second switch valve (41) and a second pressure relief valve (42) are arranged on the second pressure regulating pipeline (300), the second switch valve (41) is used for controlling the connection and disconnection of the second pressure regulating pipeline (300), and the set pressure of the first pressure relief valve (32) is smaller than the set pressure of the second pressure relief valve (42);
The liquid outlet pipeline (400), the liquid inlet end of liquid outlet pipeline (400) with the third liquid outlet links to each other, the liquid outlet end of liquid outlet pipeline (400) is used for with dash the first intercommunication of infusing.
2. Pressure regulating brewing line according to claim 1, characterized in that the first switching valve (31) and/or the second switching valve (41) are solenoid valves.
3. The pressure regulating brewing line according to claim 1, further comprising a boiler assembly (5), the liquid outlet end of the liquid outlet line (400) being connected to the liquid inlet end of the boiler assembly (5), the boiler assembly (5) being capable of heating the liquid delivered by the liquid outlet line (400), the liquid outlet end of the boiler assembly (5) being adapted to communicate with a brewing head.
4. The pressure regulating brewing line according to claim 1, further comprising a fourth switch valve (7), wherein the fourth switch valve (7) is arranged on the liquid outlet line (400), and the fourth switch valve (7) is used for controlling the connection and disconnection of the liquid outlet line (400).
5. The pressure regulating brewing line according to claim 1, further comprising a water receiving device (6), wherein the water receiving device (6) is provided with a liquid storage cavity, the liquid outlet end of the first pressure regulating line (200) is communicated with the liquid storage cavity, and the liquid outlet end of the second pressure regulating line (300) is communicated with the liquid storage cavity.
6. Pressure regulating brewing line according to any one of claims 1 to 5, further comprising a non-return valve (81), said non-return valve (81) being provided on said liquid inlet line (100), said non-return valve (81) being configured to control the unidirectional delivery of liquid by said pump assembly (1) to said communication connection (2).
7. The pressure regulating brewing line according to any one of claims 1 to 5, further comprising a pressure gauge (82), the pressure gauge (82) being adapted to detect a line pressure of the inlet line (100); and/or
The communication joint (2) is configured as a four-way joint.
8. The pressure regulating brewing line according to any one of claims 1 to 4, further comprising a third pressure regulating line (500), wherein the communication joint (2) is configured as a five-way joint, the five-way joint further comprises a fourth liquid outlet, the third pressure regulating line (500) is connected with the fourth liquid outlet, a third switching valve (91) and a third pressure relief valve (92) are arranged on the third pressure regulating line (500), the third switching valve (91) is used for controlling the on and off of the third pressure regulating line (500), and the set pressures of the first pressure relief valve (32), the second pressure relief valve (42) and the third pressure relief valve (92) are all different.
9. A coffee machine, comprising:
The pressure regulating brewing line of any one of claims 1 to 8;
A brew head assembly (600), the pressure regulating brew line being configured to deliver liquid to the brew head assembly (600).
10. A coffee brewing pressure regulating control method, characterized in that it is applied to a coffee machine as claimed in claim 9, comprising:
detecting a brewing instruction of the coffee machine;
Energizing the pump assembly (1) based on a brewing start instruction of the coffee machine, causing the pump assembly (1) to deliver liquid to the communication connection (2);
The first switch valve (31), the second switch valve (41), the fourth switch valve (7) arranged on the liquid outlet pipeline (400) and the one-way valve (81) arranged on the liquid inlet pipeline (100) are controlled to be opened;
acquiring a brewing pressure regulating instruction;
Judging whether the set pressure of the first pressure relief valve (32) and the set pressure of the second pressure relief valve (42) are larger than or equal to the numerical value of the brewing pressure regulating instruction based on the numerical value of the brewing pressure regulating instruction;
If the first pressure relief valve (32) is larger than or equal to the numerical value of the brewing pressure regulating instruction, the first switch valve (31) is controlled to be opened, and if not, the first switch valve (31) is controlled to be closed;
And if the second pressure relief valve (42) is larger than or equal to the numerical value of the brewing pressure regulating command, controlling the second switch valve (41) to be opened, and if not, controlling the second switch valve (41) to be closed.
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| CN202410377916.2A CN117958604B (en) | 2024-03-29 | 2024-03-29 | Pressure-regulating brewing pipeline, coffee machine and coffee brewing pressure-regulating control method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209421716U (en) * | 2017-12-29 | 2019-09-24 | 王德涛 | A kind of coffee machine |
| CN113156238A (en) * | 2021-03-24 | 2021-07-23 | 广州技诺智能设备有限公司 | Brewing device testing device and control method thereof |
| CN216875992U (en) * | 2021-11-24 | 2022-07-05 | 浙江久康电器有限公司 | Water heating device for American coffee machine |
| CN115089017A (en) * | 2022-07-27 | 2022-09-23 | 斯莱尔科技(江苏)有限公司 | Full-automatic coffee machine water route assembly |
| CN115919152A (en) * | 2023-03-10 | 2023-04-07 | 广东顺德科锐玛电器有限公司 | Boiler multiple heating and pressure changing system of coffee machine |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209421716U (en) * | 2017-12-29 | 2019-09-24 | 王德涛 | A kind of coffee machine |
| CN113156238A (en) * | 2021-03-24 | 2021-07-23 | 广州技诺智能设备有限公司 | Brewing device testing device and control method thereof |
| CN216875992U (en) * | 2021-11-24 | 2022-07-05 | 浙江久康电器有限公司 | Water heating device for American coffee machine |
| CN115089017A (en) * | 2022-07-27 | 2022-09-23 | 斯莱尔科技(江苏)有限公司 | Full-automatic coffee machine water route assembly |
| CN115919152A (en) * | 2023-03-10 | 2023-04-07 | 广东顺德科锐玛电器有限公司 | Boiler multiple heating and pressure changing system of coffee machine |
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