Bean grinder

文档序号：1029051 发布日期：2020-10-30 浏览：31次中文

阅读说明：本技术 一种磨豆机 (Bean grinder ) 是由郭建刚彭定国于 2020-07-29 设计创作，主要内容包括：本发明实施例提供了一种磨豆机,其包括研磨机构、操作部件,以及分别与研磨机构和操作部件连接的控制器,控制器用于：响应于用户对研磨机构的细度档位的选取操作,获取与选取的细度档位相关联的预置的第一参数；其中,预置的第一参数用于表征研磨机构在选取的细度档位下的出粉速度；基于用户通过操作部件输入的杯数信息和单杯粉量信息,以及获取的第一参数,确定表征研磨机构运行时间的时间信息；基于时间信息控制研磨机构运行时间,以使实际出粉量与杯数信息和单杯粉量信息相符。该磨豆机能够对单杯粉量进行微调,以满足用户对粉量的精准要求。(The embodiment of the invention provides a bean grinder, which comprises a grinding mechanism, an operating part and a controller respectively connected with the grinding mechanism and the operating part, wherein the controller is used for: in response to the selection operation of a user on the fineness gear of the grinding mechanism, acquiring a preset first parameter associated with the selected fineness gear; the preset first parameter is used for representing the powder discharging speed of the grinding mechanism under the selected fineness gear; determining time information representing the running time of the grinding mechanism based on cup number information and single cup powder amount information input by a user through an operation part and the acquired first parameter; and controlling the running time of the grinding mechanism based on the time information so that the actual powder output amount is consistent with the cup number information and the single-cup powder amount information. This grind beans machine can finely tune single cup powder volume to satisfy the accurate requirement of user to the powder volume.)

1. A bean grinder comprising a grinding mechanism, an operating member, and a controller connected to the grinding mechanism and the operating member, respectively, wherein the controller is configured to:

responding to the selection operation of a user on the fineness gear of the grinding mechanism, and acquiring a preset first parameter associated with the selected fineness gear; the preset first parameter is used for representing the powder discharging speed of the grinding mechanism under the selected fineness gear;

determining time information representing the running time of the grinding mechanism based on cup number information and single cup powder amount information input by a user through the operating part and the acquired first parameter;

2. A bean grinding machine according to claim 1, characterized in that the controller is specifically adapted to:

in response to the selection operation of a user on the fineness gear of the grinding mechanism, calling a preset form, wherein the preset form comprises the fineness gear of the grinding mechanism and the first parameter associated with the fineness gear of the grinding mechanism;

and matching the first parameter from the preset form based on the selected fineness gear.

3. A bean grinding machine according to claim 1, characterized in that the controller is specifically adapted to:

determining total powder weight information based on the cup number information and the single-cup powder amount information;

determining the time information based on the total powder weight information and the first parameter.

4. The bean grinder of claim 1, further comprising an interactable display unit; the controller is further configured to:

the method comprises the steps of controlling a display unit to display a first display interface, wherein the first display interface displays a fineness gear, cup number information, single cup powder amount information and total powder weight information determined based on the cup number information and the single cup powder amount information.

5. A bean grinder as claimed in claim 1, wherein the grinding mechanism comprises:

the mechanism body is internally provided with a grinding cavity;

the inner grinding wheel is rotatably arranged in the grinding cavity and is in transmission connection with a driving device;

the outer grinding wheel is sleeved outside the inner grinding wheel, and a gap is formed between the outer grinding wheel and the inner grinding wheel;

the adjusting mechanism is used for driving the outer grinding wheel to move along the axial direction and adjusting the gap between the outer grinding wheel and the inner grinding wheel so as to adjust the fineness gear of the grinding mechanism;

and the sensor is connected with the controller and used for sensing the fineness gear of the grinding mechanism and sending a first signal to the controller.

6. A bean grinder as claimed in claim 5, characterised in that the adjustment mechanism comprises:

the adjusting ring is rotatably connected to the mechanism body and is in transmission connection with the outer grinding wheel;

the knob is sleeved outside the adjusting ring and used for driving the adjusting ring to rotate around the axial direction of the outer grinding wheel so as to drive the outer grinding wheel to move along the axial direction;

the sensor detects the rotation angle of the adjusting ring to determine the fineness gear of the grinding mechanism.

7. The bean grinder of claim 6, wherein the adjustment mechanism further comprises:

8. The bean grinder of claim 6, wherein the outer circumferential surface of the adjusting ring is provided with an outer gear ring;

the inductor is positioned on the outer gear ring to follow the rotation of the adjusting ring.

9. The bean grinder as claimed in claim 5, wherein the driving device is in transmission connection with a driving wheel, the driving wheel is connected below the inner grinding wheel, and a powder leaking hole is formed in a position of a wheel disc of the driving wheel corresponding to the gap, so that powder falling through the gap can pass through the powder leaking hole and fall into a powder outlet channel at the bottom of the grinding cavity.

10. A bean grinder as claimed in claim 9, characterized in that the peripheral surface of the drive wheel is provided with a bevel gear ring, to which the drive means are connected by a worm.

Technical Field

The embodiment of the invention relates to the technical field of household appliances, in particular to a bean grinder.

Background

The bean grinder is used for grinding ingredients of food such as coffee beans, and when the bean grinder is used, the controller can control the grinding mechanism to grind the food materials according to the fineness of the powder selected by a user and the cup number. Chinese utility model patent with publication number CN201005518Y discloses a coffee maker for grinding beans and making coffee, which comprises a base, a power switch, a button set, a coffee pot, a heating coil, a heating pipe, a brewing chamber, a water drain valve, a water outlet channel, a main motor, a bean grinder, a powder outlet channel, a gas isolation baffle, a secondary motor, etc., wherein the buttons of the button set are setting keys for setting one to several cups respectively. Therefore, in actual use, the user can only select the number of cups, and cannot adjust the amount of powder in each cup. When coffee is brewed, the single cup of powder directly influences the taste of the coffee, when the single cup of powder is large, the coffee is thick, when the single cup of powder is small, the coffee is light, different users have different coffee reference habits, and the taste of the coffee cannot be adjusted due to the fact that the single cup of powder cannot be adjusted, and the user experience is poor.

Disclosure of Invention

In view of the above problems in the prior art, embodiments of the present invention provide a bean grinder, which is capable of finely adjusting the amount of powder in a single cup, so as to meet the precise requirement of a user on the amount of powder.

In order to solve the above problems, the embodiment of the present invention provides the following technical solutions:

a bean grinder comprising a grinding mechanism, an operating member, and a controller connected to the grinding mechanism and the operating member, respectively, the controller being configured to:

and controlling the running time of the grinding mechanism based on the time information so that the actual powder output amount is consistent with the cup number information and the single-cup powder amount information. The single cup of powder amount information can be input through the operation part, so that a user can accurately control the single cup of powder amount to accurately control the taste of the brewed coffee.

In some embodiments, the controller is specifically configured to:

and matching the first parameter from the preset form based on the selected fineness gear.

In some embodiments, the controller is specifically configured to:

determining total powder weight information based on the cup number information and the single-cup powder amount information;

determining the time information based on the total powder weight information and the first parameter.

In some embodiments, an interactable display unit is further included; the controller is further configured to:

In some embodiments, the grinding mechanism comprises:

the mechanism body is internally provided with a grinding cavity;

the inner grinding wheel is rotatably arranged in the grinding cavity and is in transmission connection with a driving device;

the outer grinding wheel is sleeved outside the inner grinding wheel, and a gap is formed between the outer grinding wheel and the inner grinding wheel;

and the sensor is connected with the controller and used for sensing the fineness gear of the grinding mechanism and sending a first signal to the controller.

In some embodiments, the adjustment mechanism comprises:

the adjusting ring is rotatably connected to the mechanism body and is in transmission connection with the outer grinding wheel;

the sensor detects the rotation angle of the adjusting ring to determine the fineness gear of the grinding mechanism. Therefore, the operation is convenient, the structure of the adjusting mechanism is simplified, and the production cost is reduced.

In some embodiments, the adjustment mechanism further comprises:

the supporting component is connected to the mechanism body and can move along the axial direction of the outer grinding wheel, the supporting component is sleeved on the outer side of the outer grinding wheel and located on the inner side of the adjusting ring, and the supporting component is in threaded connection with the adjusting ring so as to drive the outer grinding wheel to move along the axial direction when the adjusting ring rotates. Through regulation circle and supporting component threaded connection, can be ingenious change the rotary motion of regulation circle into the linear motion of outer emery wheel, structural design is ingenious, and the overall arrangement is compact, and occupation space is less.

In some embodiments, an outer gear ring is arranged on the outer peripheral surface of the adjusting ring;

the inductor is positioned on the outer gear ring to follow the rotation of the adjusting ring. So, the rotation angle of detection regulating ring that the inductor can be accurate avoids appearing the error.

In some embodiments, the driving device is in transmission connection with a driving wheel, the driving wheel is connected below the inner grinding wheel, and a powder leakage hole is formed in a position, corresponding to the gap, of a wheel disc of the driving wheel, so that powder falling through the gap can pass through the powder leakage hole and fall into a powder outlet channel at the bottom of the grinding cavity. The powder falling from the gap can pass through the powder leakage hole and fall into the powder outlet channel, so that the smooth powder outlet of the grinding mechanism can be ensured, and the problems of powder blockage, powder hiding or powder accumulation are avoided.

In some embodiments, the driving wheel is provided with a bevel gear ring on the outer peripheral surface, and the driving device is connected with the bevel gear ring through a worm. The worm gear transmission mechanism has simple structure and higher stability.

Compared with the prior art, the embodiment of the invention has the beneficial effects that:

the bean grinder provided by the embodiment of the invention can acquire the first parameter for representing the powder discharging speed of the operating component at the selected fineness gear based on the fineness gear for selecting the operating component, can input cup number information and single cup powder amount information through the operating component, can accurately determine the running time of the operating component by combining the acquired first parameter, controls the operating component to run based on the determined running time of the operating component, and can enable the actual powder discharging amount to be consistent with the cup number information and the single cup powder amount information. Since the information of the amount of the single cup of powder can be input through the operation part, the user can accurately control the amount of the single cup of powder so as to accurately control the taste of the brewed coffee.

Drawings

FIG. 1 is a schematic structural view of a bean grinder according to an embodiment of the present invention;

FIG. 2 is a flow chart of a method performed by a controller of a bean grinding machine according to an embodiment of the present invention;

FIG. 3 is a schematic view of a first display interface of a display unit of the bean grinder of the embodiment of the present invention;

FIG. 4 is a schematic perspective cut-away view of a grinding mechanism of the bean grinder of the embodiment of the present invention;

FIG. 5 is a cross-sectional view of a grinding mechanism of a bean grinder in accordance with an embodiment of the present invention;

fig. 6 is a schematic structural view of a driving wheel of the bean grinder according to the embodiment of the present invention.

Description of reference numerals:

100-a grinding mechanism; 110-a mechanism body; 111-a grinding chamber; 112-powder collection cavity section; 113-a powder outlet channel; 121-an inner grinding wheel; 122-an outer grinding wheel; 123-gap; 124-a powder scraping component; 130-an adjustment mechanism; 131-an adjusting ring; 132-a knob; 133-a scaffold; 134-control loop; 141-an inductor; 142-a first gear; 151-drive means; 152-a drive wheel; 153-powder leakage holes; 154-bevel gear ring; 155-worm;

200-an operating member;

300-an interactively displayable unit; 310-a first display interface;

400-body;

500-bean box.

Detailed Description

In order to make the technical solutions of the embodiments of the present invention better understood, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, an embodiment of the present invention provides a bean grinder, which includes a machine body 400, and a grinding mechanism 100, an operating component 200 and a controller (not shown) disposed on the machine body 400, wherein the controller is respectively connected to the grinding mechanism 100 and the operating component 200, the grinding mechanism 100 is configured to perform a grinding operation on food materials to obtain food powder, the grinding mechanism 100 may have a plurality of fineness gears with different powder discharging fineness, the operating component 200 is configured to be operated by a user to perform, for example, power-on, power-off, pause, fineness gear selection, cup number information, single cup powder amount information input, and the like, the operating component 200 has an operating panel disposed on the machine body 400 of the bean grinder, and the operating panel may be provided with a button, a knob 132, or other operable components for the user to perform corresponding selection or input operation. The controller may specifically include, for example, a control chip, a control circuit, and the like.

Referring to fig. 2, the controller is configured to perform the following operation steps:

s1, responding to the selection operation of the user on the fineness gear of the operating component 100, and acquiring a preset first parameter associated with the selected fineness gear; the preset first parameter is used for representing the powder discharging speed of the operating component 100 under the selected fineness gear.

In specific implementation, a user can input the selected fineness gear through the operation part, the operation part sends an instruction to the controller, and the controller determines the fineness gear selected by the user and automatically controls the operation part 100 to adjust to the selected fineness gear. The user can also directly and manually adjust the fineness gear of the operating component 100, and the controller can sense the fineness gear adjusted by the operating component 100 through the inductor.

After the fineness gear selected by the user is determined, a preset first parameter associated with the selected fineness gear can be obtained, the preset first parameter is used for representing the powder discharging speed of the operating part 100 under the selected fineness gear, the first parameter can be configured in advance when the operating part leaves a factory, and specific numerical values can be set based on experimental data of the powder discharging speed of the operating part 100 under each fineness gear.

And S2, determining time information representing the running time of the operating component 100 based on the cup number information and the single cup powder amount information input by the user through the operating component and the acquired first parameter.

After the fineness gear is selected, a user can input cup number information and single cup powder amount information through the operating part, the controller can determine total powder amount information based on the input cup number information and single cup powder amount information, and the operating time required by the operating part 100 can be calculated based on the determined first parameter, that is, time information is determined.

And S3, controlling the operation time of the operation part 100 based on the time information, so that the actual powder output amount is consistent with the cup number information and the single cup powder amount information. That is, the actual powder output is matched with the determined total component information.

According to the bean grinder provided by the embodiment of the invention, based on the fineness gear of the selected operating component 100, the first parameter for representing the powder discharging speed of the operating component 100 under the selected fineness gear can be obtained, the cup number information and the single cup powder amount information can be input through the operating component, the running time of the operating component 100 can be accurately determined by combining the obtained first parameter, the operating component 100 is controlled to run based on the determined running time of the operating component 100, and the actual powder discharging amount can be consistent with the cup number information and the single cup powder amount information. Since the information of the amount of the single cup of powder can be input through the operation part, the user can accurately control the amount of the single cup of powder so as to accurately control the taste of the brewed coffee.

In some embodiments, the controller is specifically configured to:

in response to the selection operation of the fineness gear of the operating part 100 by a user, calling a preset form, wherein the preset form comprises the fineness gear of the operating part 100 and the first parameter associated with the fineness gear of the operating part 100;

and matching the first parameter from the preset form based on the selected fineness gear.

When the chalk is delivered from a factory, a preset form can be constructed, fineness gears are configured in the preset form, and a first odd number is configured in the preset form based on the powder discharging speed under each fineness gear determined by tests. And after the user selects the fineness gear, matching the corresponding first parameter from the preset form.

In the actual use process, along with the use of the bean grinder, the operating part 100 of the bean grinder can be worn, so that the gap between the grinding wheels is enlarged, the powder discharging speed is increased, and under the condition that the grinding time is not changed, the actual powder discharging amount is larger than the selected powder discharging amount, so that the user experience is influenced. Taking coffee as an example, the amount of coffee powder directly affects the mouthfeel of the brewed coffee.

To avoid the above problems, a plurality of preset forms associated with the accumulated operation time of the operating part 100 may be configured based on the wear test of the operating part 100; and configuring a first parameter in each preset form according to the actual powder discharging speed of the operating part 100 at the corresponding fineness gear under the corresponding accumulated running time. When the device is used specifically, the accumulated running time of the operation component 100 is obtained in response to the selection operation of the fineness gear of the operation component 100 by a user; and calling a corresponding preset form based on the accumulated running time, and matching a corresponding first parameter from the called preset form based on the selected fineness gear. Therefore, the matched first parameter can be consistent with the actual powder discharging speed of the operating component 100, and further the actual powder discharging amount of the operating component 100 is ensured to be consistent with the selected cup number information and the single cup powder amount information.

As shown in fig. 3, in some embodiments, the bean grinder further includes an interactable display unit 300; the controller is further configured to:

As shown in fig. 4 and 5, in some embodiments, the grinding mechanism 100 includes: the mechanism comprises a mechanism body 110, an inner grinding wheel 121, an outer grinding wheel 122, an adjusting mechanism 130 and an inductor 141, wherein the mechanism body 110 is internally provided with a grinding cavity 111, the mechanism body 110 can be a part of a machine body 400 of the bean grinder or can be formed by separate structural components, the top of the grinding cavity 111 can be provided with a feeding hole, and the bottom of the grinding cavity 111 can be provided with a powder outlet channel 113; the inner grinding wheel 121 is rotatably arranged in the grinding cavity 111 and is in transmission connection with the driving device 151; the outer grinding wheel 122 is sleeved outside the inner grinding wheel 121, and a gap 123 is formed between the outer grinding wheel 122 and the inner grinding wheel 121; the adjusting mechanism 130 is used for driving the outer grinding wheel 122 to move axially, adjusting the gap 123 between the outer grinding wheel 122 and the inner grinding wheel 121, and adjusting the fineness gear of the grinding mechanism 100, and the adjusting mechanism 130 can be an adjusting mechanism 130 for a user to manually adjust, can also be connected with a controller, and can automatically adjust the gap 123 between the outer grinding wheel 122 and the inner grinding wheel 121 under the control of the controller; the sensor 141 is connected to the controller, and the sensor 141 is configured to sense a fineness gear of the grinding mechanism 100 and send a first signal to the controller to cause the controller to respond to a selection operation for the fineness gear.

In particular implementations, the sensor 141 may sense the fineness stage of the grinding mechanism 100 in a number of ways, such as by sensing the position of the outer grinding wheel 122, by sensing the pressure of the outer grinding wheel 122 against a particular component, by sensing the size of the gap 123, or by sensing the angle of rotation of a feature, etc. As in some embodiments, the adjustment mechanism 130 may include: the adjusting ring 131 and the knob 132, the adjusting ring 131 is rotatably connected to the mechanism body 110 and is in transmission connection with the outer grinding wheel 122; the knob 132 is sleeved outside the adjusting ring 131 and used for driving the adjusting ring 131 to rotate around the axial direction of the outer grinding wheel 122 so as to drive the outer grinding wheel 122 to move along the axial direction; the sensor 141 detects the rotation angle of the adjusting ring 131 to determine the fineness gear of the grinding mechanism 100. Specifically, the adjusting ring 131 is sleeved outside the mechanism body 110, the knob 132 is sleeved outside the adjusting ring 131 and is fixedly connected with the adjusting ring 131, the knob 132 can be used for being connected with a bean box 500 of the bean grinder, when the knob 132 is installed on the bean box 500, an outlet of the bean box 500 can be aligned with a feed port of the grinding cavity 111 or extend into the grinding cavity 111 from the feed port of the grinding cavity 111, so that coffee beans in the bean box 500 can fall into the grinding cavity 111. During the use, can drive knob 132 and regulation circle 131 synchronous revolution through rotatory bean-box 500, and then drive outer emery wheel 122 along circumferential movement, adjust the clearance 123 between outer emery wheel 122 and the interior emery wheel 121, inductor 141 can confirm the fineness gear of the grinding mechanism 100 after the adjustment to control sending signal. Therefore, the operation is convenient, the structure of the adjusting mechanism 130 is simplified, and the production cost is reduced.

In some embodiments, the adjustment mechanism 130 may further include: and a support member connected to the mechanism body 110 and capable of moving along the axial direction of the outer grinding wheel 122, wherein the support member is sleeved outside the outer grinding wheel 122 and located inside the adjusting ring 131, and the support member is in threaded connection with the adjusting ring 131 to drive the outer grinding wheel 122 to move along the axial direction when the adjusting ring 131 rotates. For example, the supporting member may include a bracket 133 and a control ring 134, the bracket 133 may be sleeved on an outer side of the outer grinding wheel 122 and fixedly connected to the outer grinding wheel 122, the mechanism body 110 may be provided with a guiding mechanism, the guiding mechanism may be, for example, a guiding groove or a guiding column, the control ring 134 is connected to the guiding mechanism so as to be capable of moving along an axial direction of the outer grinding wheel 122, the control ring 134 may be sleeved on an outer side of the bracket 133 and clamped to the bracket 133 so as to be capable of driving the outer grinding wheel 122 to move synchronously through the bracket 133, an outer circumferential surface of the control ring 134 may be provided with an outer thread structure, an inner circumferential surface of the adjustment ring 131 may be provided with an inner thread structure, the adjustment ring 131 is in threaded connection with the control ring 134, such that when the knob 132 drives the adjustment ring 131 to rotate, the adjustment ring 131 can drive the control ring 134 to move along the axial direction of the outer grinding wheel 122, and further drive, to adjust the gap 123 between the outer grinding wheel 122 and the inner grinding wheel 121. Through adjusting ring 131 and supporting component threaded connection, can be ingenious change the rotary motion of adjusting ring 131 into the linear motion of outer emery wheel 122, structural design is ingenious, and the overall arrangement is compact, and occupation space is less.

In some embodiments, the outer circumferential surface of the adjustment ring 131 is provided with an outer gear ring; the inductor 141 is located in the outer ring gear to follow the rotation of the adjustment ring 131. Thus, the sensor 141 can accurately detect the rotation angle of the adjusting ring 131, and errors are avoided. The sensor 141 may be, for example, an angle sensor, the sensor 141 may be engaged with the external gear ring through the first gear 142, and the adjusting ring 131 drives the first gear 142 to rotate through the external gear ring when rotating, so that the sensor 141 indirectly senses the rotation angle of the adjusting ring 131 through the rotation angle of the first gear 142, thereby determining the fineness gear of the grinding mechanism 100. In specific implementation, the amount of change in the gap 123 between the outer ring gear and the inner ring gear per unit angle of rotation of the adjusting ring 131, and the fineness of the powder discharged under the adjusted gap 123 may be predetermined, so that the fineness gear of the grinding mechanism 100 may be determined based on the rotation angle of the adjusting ring 131.

In some embodiments, as shown in fig. 4 to fig. 6, the driving device 151 is in transmission connection with a driving wheel 152, the driving wheel 152 is connected below the inner grinding wheel 121, and a powder leaking hole 153 is formed in a position of a wheel disc of the driving wheel 152 corresponding to the gap 123, so that the powder falling through the gap 123 can pass through the powder leaking hole 153 and fall into the powder discharging channel 113 at the bottom of the grinding cavity 111. Specifically, the driving wheel 152 may be rotatably connected to the grinding cavity 111 through a bearing, for example, the middle portion of the driving wheel 152 may extend upward to form a transmission shaft, the inner grinding wheel 121 may be fixed to the transmission shaft, a plurality of powder leaking holes 153 may be formed in a wheel disc of the driving wheel 152, the plurality of powder leaking holes 153 may be uniformly arranged around the transmission shaft at equal angles, the positions of the powder leaking holes 153 in the radial direction of the driving wheel 152 correspond to the gap 123, the driving device 151 drives the inner grinding wheel 121 to rotate through the driving wheel 152, the inner grinding wheel 121 and the outer grinding wheel 122 cooperate to complete a grinding operation, and powder falling from the gap 123 may fall into the powder outlet channel 113 through the powder leaking holes 153, so as to ensure smooth powder outlet of the grinding mechanism 100 and avoid the problems of powder blockage, powder accumulation or powder accumulation. In a preferred embodiment, the driving wheel 152 may be provided with a helical gear ring 154 on its outer circumference, and the driving device 151 may be connected to the helical gear ring 154 via a worm 155. The driving device 151 may be a driving motor. The worm gear transmission mechanism has simple structure and higher stability.

With continued reference to fig. 4 and 5, in some embodiments, the bottom of the grinding chamber 111 has a funnel-shaped powder collecting chamber section 112, the powder outlet channel 113 is connected to the bottom end of the powder collecting chamber section 112, a powder scraping component 124 is disposed in the powder collecting chamber section 112, and the powder scraping component 124 is connected to the driving wheel 152 to rotate under the driving of the driving wheel 152 and scrape off the powder on the chamber wall of the powder collecting chamber section 112, so as to further avoid the problem of powder accumulation.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

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