Coffee machine and control method

Abstract

An embodiment of the present invention provides a coffee machine and a control method. The coffee machine includes a bean hopper, a grinding assembly, a brewing assembly, and a dregs box. The bean hopper, the grinding assembly, the brewing assembly, and the dregs box are arranged in sequence from top to bottom. The brewing assembly is connected to the grinding assembly through a powder feeding channel. The brewing assembly includes a brewing head and a brewing chamber assembly. At least one of the brewing head and the brewing chamber assembly can move horizontally to engage or disengage with each other. When the brewing head and the brewing chamber assembly disengage from each other, a clearance space is formed between the brewing head and the brewing chamber assembly. The powder feeding channel communicates with the dregs box through the clearance space. The coffee powder ground by the grinding assembly can be discharged into the dregs box through the powder feeding channel and the clearance space. The coffee machine has the function of automatically removing stale coffee beans in the bean hopper.

Description

Technical Field

[0001] Embodiments of the present invention relate to the technical field of household appliances, and particularly to a coffee machine and a control method therefor. Background Art

[0002] The bean-grinding coffee machine can form coffee powder by instantaneously grinding coffee beans and instantaneously brew the coffee powder, and the brewed coffee has a good taste. For example, a Chinese utility model patent with the authorization announcement number: CN202515441U discloses a bean-grinding coffee machine, which includes a coffee bean grinding device and a sealed box arranged under the coffee bean grinding device. The sealed box is provided with a powder outlet, and a brewing funnel is arranged at the lower end of the powder outlet.

[0003] However, the bean-grinding coffee machine is usually also equipped with a bean box for storing coffee beans. Once the coffee beans are stored for a long time, they will become stale, and the stale coffee beans will seriously affect the coffee quality and taste. Usually, when the coffee beans in the bean box are stale, the user needs to pick out the stale coffee beans by himself / herself and put in fresh coffee beans again, and the operation is complicated. Summary of the Invention

[0004] In view of the above problems existing in the prior art, embodiments of the present invention provide a coffee machine and a control method therefor, and the coffee machine can automatically remove the stale coffee beans in the bean box.

[0005] To solve the above problems, the technical solution provided by the embodiments of the present invention is as follows:

[0006] On the one hand, an embodiment of the present invention provides a coffee machine, which includes a bean box, a grinding assembly, a brewing assembly, and a residue box. The bean box, the grinding assembly, the brewing assembly, and the residue box are arranged in sequence from top to bottom;

[0007] The bean box is used for storing coffee beans;

[0008] The grinding assembly is communicated with the bean box and is used for grinding the coffee beans falling from the bean box into coffee powder;

[0009] The brewing assembly is connected to the grinding assembly through a powder feeding channel. The brewing assembly includes a brewing head and a brewing chamber assembly. At least one of the brewing head and the brewing chamber assembly can move horizontally to engage or disengage with each other;

[0010] When the brewing head and the brewing chamber assembly are disengaged from each other, an avoidance space is formed between the brewing head and the brewing chamber assembly. The powder feeding channel is communicated with the residue box through the avoidance space, and the coffee powder ground by the grinding assembly can be discharged into the residue box through the powder feeding channel and the avoidance space. This coffee machine can automatically remove the stale coffee beans in the middle of the bean box.

[0011] In some embodiments, the brewing chamber assembly is capable of moving in a lateral direction, and the brewing chamber assembly has a first position and a second position;

[0012] When the brewing chamber assembly is located at the first position, the brewing chamber assembly and the brewing head are engaged with each other, and the first powder receiving port on the top of the brewing chamber assembly is connected with the powder lowering channel, so that the coffee powder ground by the grinding assembly can fall into the brewing chamber assembly through the powder lowering channel to brew coffee;

[0013] When the brewing chamber assembly is located at the second position, the brewing chamber assembly and the brewing head are disengaged from each other, and the escape space is formed between the brewing chamber assembly and the brewing head.

[0014] In some embodiments, the coffee machine further includes a controller, which is connected to the grinding assembly and the brewing assembly respectively, and the controller is configured as follows:

[0015] When receiving the first instruction for instructing to clear the coffee beans in the bean box, the brewing chamber assembly is driven to the second position to form the escape space between the brewing chamber assembly and the brewing head, the grinding assembly is turned on, the coffee beans in the bean box are ground into coffee powder, and the coffee powder is discharged into the grounds box through the powder discharge channel and the escape space. In this way, the stale coffee beans in the bean box can be cleared with one click.

[0016] In some embodiments, the coffee machine further includes a controller, which is connected to the grinding assembly and the brewing assembly respectively, and the controller is configured as follows:

[0017] When the brewing assembly completes brewing of coffee, the brewing chamber assembly is controlled to move to the second position.

[0018] In some embodiments, the controller is further configured to:

[0019] When receiving the first instruction for instructing to clear the coffee beans in the bean box, a signal is sent to the grinding assembly to start the grinding assembly, grind the coffee beans into coffee powder, and discharge the coffee powder into the grounds box through the powder discharge channel and the escape space. In this way, it is beneficial to simplify the control logic of the function of clearing stale coffee beans.

[0020] In some embodiments, the coffee machine further comprises a first cover plate and a first moving mechanism connected to the first cover plate, wherein the first moving mechanism is used to drive the first cover plate to move so as to block the powder lowering channel or open the powder lowering channel; the controller is further configured as follows;

[0021] When the first instruction is received, a signal is sent to the first moving mechanism to drive the first cover plate to open the powder feeding channel, so that the powder feeding channel is communicated with the avoidance space.

[0022] In some embodiments, the brewing assembly further includes a bracket having an inner cavity. The brewing head is fixedly arranged in the inner cavity, and the brewing chamber assembly is movably arranged in the inner cavity. The top of the bracket has a second powder receiving port communicated with the inner cavity. The first cover plate is used to block the powder outlet at the bottom end of the powder feeding channel and the second powder receiving port, or avoid the powder outlet and the second powder receiving port.

[0023] In some embodiments, a slag discharge port is provided at a position of the bottom of the bracket opposite to the second powder receiving port. When the brewing chamber assembly moves to the second position, an avoidance space capable of communicating the second powder receiving port and the slag discharge port is formed between the brewing chamber assembly and the brewing head.

[0024] Another aspect of the embodiments of the present invention provides a control method applied to a coffee machine. The coffee machine includes a bean box, a grinding assembly, a brewing assembly, and a slag box which are arranged in sequence from top to bottom. The bean box is used for storing coffee beans. The grinding assembly is communicated with the bean box and is used for grinding the coffee beans falling from the bean box into coffee powder. The brewing assembly is located below the grinding assembly, and the brewing assembly is connected to the grinding assembly through a powder feeding channel. The grinding assembly includes a brewing head and a brewing chamber assembly, and at least one of the brewing head and the brewing chamber assembly can move horizontally to engage or disengage with each other. The control method includes:

[0025] Driving the brewing head and the brewing chamber assembly to disengage from each other to form an avoidance space between the brewing chamber assembly and the brewing head, and communicating the powder feeding channel and the slag box through the avoidance space;

[0026] Starting the grinding assembly to grind the coffee beans in the bean box into coffee powder, and discharging the coffee powder into the slag box through the powder feeding channel and the avoidance space.

[0027] Adopting this control method can control the coffee machine to achieve the purpose of automatically clearing the stale coffee beans in the bean box.

[0028] In some embodiments, the coffee machine further includes a first cover plate and a first moving mechanism connected to the first cover plate. The first moving mechanism is used to drive the first cover plate to move to block or open the powder feeding channel. The control method further includes:

[0029] Control the first moving mechanism to drive the first cover plate to move so as to open the powder feeding channel, and communicate the powder feeding channel with the avoidance space.

[0030] In the coffee machine according to the embodiment of the present invention, when the coffee beans in the bean box are placed for a long time, the grinding assembly can grind these stale coffee beans into coffee powder, and discharge the coffee powder into the residue box through the passage formed by the powder feeding channel and the avoidance space, achieving the purpose of automatically removing the stale coffee beans in the bean box, without the user having to manually pick out the stale coffee beans from the bean box, which can simplify the user operation and has high usability. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is a schematic perspective view of the coffee machine according to the embodiment of the present invention;

[0032] Figure 2 is a sectional view of a part of the coffee machine according to the embodiment of the present invention;

[0033] Figure 3 is Figure 2 an enlarged view of part A in

[0034] Figure 4 is a flowchart of the control method according to the embodiment of the present invention.

[0035] Description of the reference numerals:

[0036] 100 - bean box;

[0037] 200 - grinding assembly; 210 - powder feeding channel;

[0038] 300 - brewing assembly; 310 - bracket; 311 - inner cavity; 312 - second powder receiving port; 313 - residue discharging port; 314 - avoidance space; 320 - brewing head; 330 - brewing chamber assembly; 331 - first powder receiving port; 340 - first cover plate;

[0039] 400 - residue box. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0040] Reference is made herein to the various solutions and features of the present application with reference to the accompanying drawings.

[0041] It should be understood that various modifications can be made to the embodiments applied herein. Therefore, the above description should not be construed as a limitation, but merely as an example of the embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the present application.

[0042] The accompanying drawings included in and constituting a part of this specification illustrate embodiments of the present application and, together with the general description of the present application given above and the detailed description of the embodiments given below, are used to explain the principles of the present application.

[0043] These and other features of the present application will become apparent from the following description of the preferred forms of the embodiments given as non-limiting examples with reference to the accompanying drawings.

[0044] It should also be understood that although the present application has been described with reference to some specific examples, those skilled in the art can surely implement many other equivalent forms of the present application, which have the features as described in the claims and thus are all within the scope of protection defined hereby.

[0045] When combined with the accompanying drawings, the above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description.

[0046] Specific embodiments of the present application will be described hereinafter with reference to the accompanying drawings; however, it should be understood that the claimed embodiments are merely examples of the present application and can be implemented in various ways. Well-known and / or repetitive functions and structures are not described in detail to avoid obscuring the present application with unnecessary or redundant details. Therefore, the specific structural and functional details claimed herein are not intended to be limiting, but are merely used as a basis for the claims and a representative basis for teaching those skilled in the art to use the present application in substantially any suitable detailed structure in a variety of ways.

[0047] This specification may use the phrases "in one embodiment", "in another embodiment", "in yet another embodiment" or "in other embodiments", which may each refer to one or more of the same or different embodiments according to the present application.

[0048] See Figures 1 to 3As shown in the figure, an embodiment of the present invention provides a coffee machine, which includes a bean hopper 100, a grinding assembly 200, a brewing assembly 300, and a dregs box 400. The bean hopper 100, the grinding assembly 200, the brewing assembly 300, and the dregs box 400 are arranged in sequence from top to bottom. The bean hopper 100 is used to store coffee beans. Optionally, the bean hopper 100 can be a closed box structure or a funnel-shaped open structure. The grinding assembly 200 is communicated with the bean hopper 100 so that the coffee beans in the bean hopper 100 can fall into the grinding assembly 200 and be ground into coffee powder by the grinding assembly 200. The brewing assembly 300 is connected to the grinding assembly 200 through a powder feeding channel 210. The brewing assembly 300 includes a brewing head 320 and a brewing chamber assembly 330. At least one of the brewing head 320 and the brewing chamber assembly 330 can move horizontally to engage or disengage with each other; when the brewing head 320 and the brewing chamber assembly 330 are engaged with each other, they can receive coffee powder from the powder feeding channel 210 and perform coffee brewing; when the brewing head 320 and the brewing chamber assembly 330 are disengaged from each other, an avoidance space 314 is formed between the brewing head 320 and the brewing chamber assembly 330. The powder feeding channel 210 is communicated with the dregs box 400 through the avoidance space 314, and the coffee powder ground by the grinding assembly 200 can be discharged into the dregs box 400 through the powder feeding channel 210 and the avoidance space 314.

[0049] For the coffee machine with the above structure, when the coffee beans in the bean hopper 100 are placed for a long time, these stale coffee beans can be ground into coffee powder by the grinding assembly 200, and the coffee powder can be discharged into the dregs box 400 through the passage formed by the powder feeding channel 210 and the avoidance space 314, achieving the purpose of automatically removing the stale coffee beans in the bean hopper 100 without the user having to manually pick out the stale coffee beans from the bean hopper 100, which can simplify the user operation and has high usability.

[0050] In some embodiments, the brewing head 320 can be configured to be fixedly arranged, the brewing chamber assembly 330 is configured to be able to move horizontally, and the brewing chamber assembly 330 has a first position and a second position; when the brewing chamber assembly 330 is in the first position, the brewing chamber assembly 330 is engaged with the brewing head 320, and a first powder receiving port 331 at the top of the brewing chamber assembly 330 is communicated with the powder feeding channel 210, so that the coffee powder ground by the grinding assembly 200 can fall into the brewing chamber assembly 330 through the powder feeding channel 210 for coffee brewing; when the brewing chamber assembly 330 is in the second position, the brewing chamber assembly 330 is disengaged from the brewing head 320, and the avoidance space 314 is formed between the brewing chamber assembly 330 and the brewing head 320.

[0051] Optionally, in cooperation with Figure 2 and Figure 3 As shown, the brewing assembly 300 may further include a bracket 310. The bracket 310 may have an inner cavity 311, and the brewing head 320 may be fixedly disposed in the inner cavity 311. The brewing head 320 may be configured such that the projection of the powder outlet at the bottom end of the powder feeding channel 210 in the vertical direction does not overlap. The brewing chamber assembly 330 is configured to be movably disposed in the inner cavity 311 in the lateral direction. The top of the brewing chamber assembly 330 has a first powder receiving port 331. When the brewing chamber assembly 330 moves to the first position, the first powder receiving port 331 of the brewing chamber assembly 330 is opposite to and communicated with the powder outlet at the bottom end of the powder feeding channel 210. When the brewing chamber assembly 330 moves to the second position, the second position may be configured to enable the brewing chamber assembly 330 to avoid the projection area of the powder feeding channel 210 in the vertical direction. In this way, an avoidance space 314 can be formed between the brewing chamber assembly 330 and the brewing head 320.

[0052] In some embodiments, the coffee machine further includes a controller. The controller is respectively connected to the grinding assembly 200 and the brewing assembly 300. The controller is configured to:

[0053] When receiving a first instruction for instructing to clear the coffee beans in the bean box 100, drive the brewing chamber assembly 330 to be in the second position to form the avoidance space 314 between the brewing chamber assembly 330 and the brewing head 320, turn on the grinding assembly 200, grind the coffee beans in the bean box 100 into coffee powder, and discharge the coffee powder into the dregs box 400 through the powder feeding channel 210 and the avoidance space 314.

[0054] Optionally, operating components such as an operation panel may be provided on the body of the coffee machine. An option or button for clearing coffee beans may be provided on the operation panel. The user can send a first instruction to the controller by operating the touch panel. When the coffee machine is in the standby state, the brewing chamber assembly 330 may be in the second position. At this time, the controller can directly turn on the grinding assembly 200, grind the coffee beans in the bean box 100 into coffee powder, and then discharge the coffee powder into the dregs box 400 through the powder feeding channel 210 and the avoidance space 314. When the coffee machine is in the standby state, the brewing chamber assembly 330 may also be in the first position, or the brewing chamber assembly 330 may also be in other positions. At this time, the controller can send a signal to the brewing assembly 300 to make the brewing chamber assembly 330 move to the second position to form the avoidance space 314 between the brewing chamber assembly 330 and the brewing head 320. Subsequently, turn on the grinding assembly 200 again, grind the coffee beans into coffee powder, and discharge them into the dregs box 400. In this way, the coffee machine is provided with the function of automatically clearing stale coffee beans with one key.

[0055] In some embodiments, the coffee machine further includes a controller, which is respectively connected to the grinding assembly 200 and the brewing assembly 300, and the controller is configured to:

[0056] When the brewing assembly 300 finishes brewing coffee, control the brewing chamber assembly 330 to move to the second position.

[0057] When receiving a first instruction for instructing to clear the coffee beans in the bean box 100, send a signal to the grinding assembly 200 to turn on the grinding assembly 200, grind the coffee beans into coffee powder, and discharge the coffee powder into the residue box 400 through the powder feeding channel 210 and the avoidance space 314.

[0058] That is, every time the brewing assembly 300 finishes brewing coffee, the controller will control the brewing chamber assembly 330 to reset to the second position. For example, when the user selects the coffee brewing function, the controller can control the brewing chamber assembly 330 to move horizontally towards the brewing head 320 so that the two are engaged, and the first powder receiving port 331 at the top of the brewing chamber assembly 330 is aligned with the powder outlet at the bottom end of the powder feeding channel 210. The grinding assembly 200 grinds the coffee beans into coffee powder, and the coffee powder falls into the brewing chamber assembly 330 through the powder feeding channel 210. Subsequently, the brewing chamber assembly 330 can continue to move towards the brewing head 320 so that the brewing head 320 extends into the brewing chamber assembly 330 and compacts the coffee powder in the brewing chamber assembly 330, and hot water is supplied to the brewing chamber assembly 330 through the brewing head 320 for coffee brewing. After the coffee brewing is completed, the brewing chamber assembly 330 can move away from the brewing head 320. During the movement away from the brewing head 320, the brewing chamber assembly 330 can cooperate with the powder pushing rod located inside it to discharge the coffee residue into the residue box 400 and return to the second position. Thus, when the function of clearing stale coffee beans is turned on, the controller can directly send a signal to the grinding assembly 200 to turn on the grinding assembly 200, grind the coffee beans into coffee powder, and discharge them into the residue box 400.

[0059] In some embodiments, the coffee machine further includes a first cover plate 340 and a first moving mechanism connected to the first cover plate 340. The first moving mechanism is used to drive the first cover plate 340 to move to block or open the powder feeding channel 210; the controller is further configured to;

[0060] When receiving the first instruction, send a signal to the first moving mechanism to make the first moving mechanism drive the first cover plate 340 to open the powder feeding channel 210 so that the powder feeding channel 210 is communicated with the avoidance space 314.

[0061] Generally, only when the first powder receiving port 331 on the brewing chamber assembly 330 is opposite to the powder outlet of the powder lowering channel 210, the controller will control the first moving mechanism to move the first cover plate 340 to open the powder lowering channel 210, so that the coffee powder can fall into the brewing chamber assembly 330 through the powder lowering channel 210. When the first powder receiving port 331 on the brewing chamber assembly 330 is staggered with the powder lowering channel 210, the controller will usually control the first moving mechanism to drive the first cover plate 340 to block the powder lowering channel 210 to prevent the coffee powder from being scattered outside the brewing chamber assembly 330. When the coffee bean clearing function is selected, before the grinding assembly 200 is turned on, the controller can control the first moving mechanism to drive the first cover plate 340 to open the powder lowering channel 210, so that the coffee powder formed by the grinding assembly 200 grinding stale coffee beans can fall into the grounds box 400 through the powder lowering channel 210 and the avoidance space 314.

[0062] In some embodiments, the top of the bracket 310 may have a second powder receiving port 312 connected to the inner cavity 311, and the first cover plate 340 is used to block the powder outlet at the bottom of the lower powder channel 210 and the second powder receiving port 312, or avoid the powder outlet and the second powder receiving port 312. Optionally, the first cover plate 340 may be configured to be movably connected to the top of the bracket 310, and the first moving mechanism may include, for example, a driving device and a transmission mechanism, and the driving device is configured to drive the first cover plate 340 to move laterally along the top surface of the bracket 310 through the transmission mechanism. There may be a gap between the powder outlet of the lower powder channel 210 and the second powder receiving port 312, and the first cover plate 340 may extend between the powder outlet of the lower powder channel 210 and the second powder receiving port 312 to block the two, and may also be moved away from the two to connect the lower powder channel 210 and the second powder receiving port 312. This structure is simple and easy to implement.

[0063] In some embodiments, the bottom of the bracket 310 is provided with a slag discharge port 313 at a position opposite to the second powder receiving port 312. When the brewing chamber assembly 330 moves to the second position, the escape space 314 that can connect the second powder receiving port 312 and the slag discharge port 313 is formed between the brewing chamber assembly 330 and the brewing head 320. Optionally, the slag discharge port 313 at least covers the projection area of ​​the powder outlet of the lower powder channel 210 and the second powder receiving port 312 in the vertical direction to prevent the coffee powder formed by grinding stale coffee beans from falling into the inner cavity 311. In fact, the size of the slag discharge port 313 is usually much larger than the size of the second powder receiving port 312.

[0064] See also Figure 4 As shown, an embodiment of the present invention further provides a control method, which is applied to the coffee machine as described in any of the above embodiments, and the control method may specifically include the following steps:

[0065] S501, Drive the brewing head and the brewing chamber assembly to disengage from each other to form a clearance space between the brewing chamber assembly and the brewing head, and connect the powder feeding channel and the dregs box through the clearance space;

[0066] S502, Turn on the grinding assembly, grind the coffee beans in the bean box into coffee powder, and discharge the coffee powder into the dregs box through the powder feeding channel and the clearance space.

[0067] In the control method of the embodiment of the present invention, when the coffee beans in the bean box have been placed for a long time, the grinding assembly can be used to grind these stale coffee beans into coffee powder, and the coffee powder is discharged into the dregs box through the path formed by the powder feeding channel and the clearance space, achieving the purpose of automatically removing the stale coffee beans in the bean box without the user having to manually pick out the stale coffee beans from the bean box, which can simplify the user operation.

[0068] In some embodiments, the coffee machine further includes a first cover plate and a first moving mechanism connected to the first cover plate, and the first moving mechanism is used to drive the first cover plate to move to block or open the powder feeding channel. The control method further includes:

[0069] S503, Control the first moving mechanism to drive the first cover plate to move to open the powder feeding channel to connect the powder feeding channel with the clearance space.

[0070] That is, when the coffee machine is equipped with a first cover plate, before turning on the grinding assembly, it is necessary to control the first moving mechanism to drive the first cover plate to move to open the powder feeding channel so that the powder feeding channel is connected with the clearance space, so that the coffee powder can fall into the dregs box through the powder feeding channel.

[0071] The above embodiments are only exemplary embodiments of the present application and are not used to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements within the essence and protection scope of the present application, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present application.

Claims

1. A coffee machine, comprising a bean hopper, a grinding assembly, a brewing assembly and a dreg box, characterized in that, The bean box, the grinding assembly, the brewing assembly, and the dregs box are arranged in sequence from top to bottom; The bean box is used for storing coffee beans; The grinding assembly is communicated with the bean box and is used for grinding the coffee beans falling from the bean box into coffee powder; The brewing assembly is connected with the grinding assembly through a powder discharging channel. The brewing assembly includes a brewing head and a brewing chamber assembly. At least one of the brewing head and the brewing chamber assembly can move horizontally to engage or disengage with each other; When the brewing head and the brewing chamber assembly are disengaged from each other, a clearance space is formed between the brewing head and the brewing chamber assembly. The powder discharging channel is communicated with the dregs box through the clearance space, and the coffee powder ground by the grinding assembly can be discharged into the dregs box through the powder discharging channel and the clearance space.

2. The coffee machine according to claim 1, wherein, The brewing chamber assembly can move horizontally, and the brewing chamber assembly has a first position and a second position; When the brewing chamber assembly is in the first position, the brewing chamber assembly engages with the brewing head, and a first powder receiving port at the top of the brewing chamber assembly is communicated with the powder discharging channel, so that the coffee powder ground by the grinding assembly can fall into the brewing chamber assembly through the powder discharging channel for coffee brewing; When the brewing chamber assembly is in the second position, the brewing chamber assembly disengages from the brewing head, and the clearance space is formed between the brewing chamber assembly and the brewing head.

3. The coffee machine according to claim 2, wherein, The coffee machine further includes a controller, which is respectively connected with the grinding assembly and the brewing assembly. The controller is configured to: When receiving a first instruction for instructing to clear the coffee beans in the bean box, drive the brewing chamber assembly to be in the second position to form the clearance space between the brewing chamber assembly and the brewing head, turn on the grinding assembly, grind the coffee beans in the bean box into coffee powder, and discharge the coffee powder into the dregs box through the powder discharging channel and the clearance space.

4. The coffee machine according to claim 2, characterized in that, The coffee machine further includes a controller, which is respectively connected with the grinding assembly and the brewing assembly. The controller is configured to: When the brewing assembly finishes coffee brewing, control the brewing chamber assembly to move to the second position.

5. The coffee machine according to claim 4, characterized in that, The controller is further configured to: When receiving the first instruction for instructing to clear the coffee beans in the bean box, send a signal to the grinding assembly to turn on the grinding assembly, grind the coffee beans into coffee powder, and discharge the coffee powder into the dregs box through the powder discharging channel and the clearance space.

6. The coffee machine according to claim 5, characterized in that, The coffee machine further includes a first cover plate and a first moving mechanism connected to the first cover plate. The first moving mechanism is used for driving the first cover plate to move to block or open the powder discharging channel; the controller is further configured to: When receiving the first instruction, send a signal to the first moving mechanism to make the first moving mechanism drive the first cover plate to open the powder discharging channel, so that the powder discharging channel is communicated with the clearance space.

7. The coffee machine according to claim 6, characterized in that, The brewing assembly further includes a bracket having an inner cavity. The brewing head is fixedly arranged in the inner cavity. The brewing chamber assembly is movably arranged in the inner cavity. The top of the bracket has a second powder receiving port communicating with the inner cavity. The first cover plate is used to block the powder outlet at the bottom end of the powder feeding channel and the second powder receiving port, or to avoid the powder outlet and the second powder receiving port.

8. The coffee machine according to claim 7, characterized in that, A slag discharge port is provided at a position of the bottom of the bracket opposite to the second powder receiving port. When the brewing chamber assembly moves to the second position, an avoidance space capable of communicating the second powder receiving port and the slag discharge port is formed between the brewing chamber assembly and the brewing head.

9. A control method, applied to a coffee machine, characterized in that The coffee machine includes a bean hopper, a grinding assembly, a brewing assembly and a slag box arranged in sequence from top to bottom. The bean hopper is used for storing coffee beans. The grinding assembly is communicated with the bean hopper and is used for grinding the coffee beans falling from the bean hopper into coffee powder. The brewing assembly is located below the grinding assembly, and the brewing assembly is connected to the grinding assembly through a powder feeding channel. The grinding assembly includes a brewing head and a brewing chamber assembly, and at least one of the brewing head and the brewing chamber assembly can move horizontally to engage or disengage with each other. The control method includes: Driving the brewing head and the brewing chamber assembly to disengage from each other to form an avoidance space between the brewing chamber assembly and the brewing head, and communicating the powder feeding channel and the slag box through the avoidance space. Starting the grinding assembly, grinding the coffee beans in the bean hopper into coffee powder, and discharging the coffee powder into the slag box through the powder feeding channel and the avoidance space.

10. The control method according to claim 9, wherein, The coffee machine further includes a first cover plate and a first moving mechanism connected to the first cover plate. The first moving mechanism is used to drive the first cover plate to move to block or open the powder feeding channel. The control method further includes: Controlling the first moving mechanism to drive the first cover plate to move to open the powder feeding channel so that the powder feeding channel is communicated with the avoidance space.

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