CN218246941U

CN218246941U - Grinding device

Info

Publication number: CN218246941U
Application number: CN202221216593.1U
Authority: CN
Inventors: 周洪
Original assignee: Xiaotian Zhongshan Industrial Co Ltd
Current assignee: Xiaotian Zhongshan Industrial Co Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2023-01-10
Anticipated expiration: 2032-05-20

Abstract

The application discloses grinder includes: the main machine body is provided with a motor and a control circuit board, and the control circuit board comprises a main control chip; the knife grinder is arranged in the main machine body and is driven by a motor to be connected, and the main machine body is provided with an opening for exposing the knife grinder; the raw material cup is used for containing materials to be ground, and is connected with the main machine body and communicated with the opening; the powder outlet channel is arranged on the main machine body and is provided with a powder outlet through which the ground powder falls out; the weighing sensor is arranged on the main machine body below the powder outlet and used for measuring the weight of powder falling out of the powder outlet, the output end of the weighing sensor is connected with the interrupt controller of the main control chip, and when the signal output of the weighing sensor meets the preset condition, the output is configured to be a standby trigger signal of the main control chip, and the main control chip enters a low-power-consumption standby mode. The energy-saving and environment-friendly water heater has the advantage of convenience in use, and meets the requirements of energy conservation and environmental protection.

Description

Grinding device

Technical Field

The present invention relates to a grinding device, and more particularly to a small grinding device for cereals or beans.

Background

In daily life, it is often necessary to grind cereals or beans into powder. In the related art, there are also grinding devices with different designs, so that when energy conservation and environmental protection are advocated, how to make the equipment meet the energy-saving requirement is more concerned about the endurance time of the equipment, especially for the electric appliances powered by batteries. The present application has been developed in such a background.

Disclosure of Invention

The application aims at solving the technical problems existing in the related technology, and provides the energy-saving and environment-friendly energy-saving battery pack which does not need manual control, automatically triggers the low-power consumption standby mode according to conditions, and ensures that the product has better cruising ability in a battery power supply mode, thereby achieving the purposes of convenient use, energy conservation and environment protection.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a grinding apparatus comprising: the main machine body is provided with a motor and a control circuit board, and the control circuit board comprises a main control chip; the knife sharpener is arranged in the main machine body and is driven by the motor to be connected, and the main machine body is provided with an opening for exposing the knife sharpener; the raw material cup is used for containing materials to be ground, and is connected with the main machine body and communicated with the opening; the powder outlet channel is arranged on the main machine body and is provided with a powder outlet for dropping ground powder; the weighing sensor is arranged on the main machine body below the powder outlet and used for measuring the weight of powder falling out of the powder outlet, the output end of the weighing sensor is connected with the interrupt controller of the main control chip, and when the signal output of the weighing sensor meets the preset condition, the output is configured to be the standby trigger signal of the main control chip, and the main control chip enters a low-power standby mode.

Preferably, the weighing sensor is any one of a photoelectric weighing sensor, a hydraulic weighing sensor, an electromagnetic weighing sensor, a capacitive weighing sensor, a magnetic pole deformation weighing sensor, a vibration weighing sensor, a gyroscope weighing sensor and a resistance strain weighing sensor.

Preferably, the main machine body is provided with a display module, and the display module can display the weight of the current powder measured by the weighing sensor.

Preferably, an input module is arranged on the main body and used for inputting preset powder weight, the preset powder weight can be displayed through the display module, the input module is connected with the control circuit board, a main control chip of the control circuit board acquires an output signal of the weighing sensor and starts and stops the motor according to the preset powder weight.

Preferably, the main control chip of the control circuit board is a single chip microcomputer with an interrupt controller and a low-power consumption counter.

Preferably, the model of the main control chip is APT32F1023.

Preferably, the raw material cup comprises a cup body and a cup cover, at least one part of the cup body is made of transparent materials, and holes are formed in the bottom of the cup body.

Preferably, the powder grinding device comprises a powder cup, wherein the powder cup is used for receiving ground powder, when the powder cup is not placed on the weighing sensor, the main control chip enters a low power consumption mode within a preset time, and the grinding device enters a standby state.

Preferably, the main body is provided with a rechargeable battery and a charging interface, and the rechargeable battery is connected with the control circuit board in a power supply manner.

Preferably, the grinding device is used for grinding beans and cereal food materials.

The beneficial effect of this application is that, a grinder is provided, includes: the main machine body is provided with a motor and a control circuit board, and the control circuit board comprises a main control chip; the knife grinder is arranged in the main machine body and is driven by the motor to be connected, and the main machine body is provided with an opening for exposing the knife grinder; the raw material cup is used for containing materials to be ground, and is connected with the main machine body and communicated with the opening; the powder outlet channel is arranged on the main machine body and is provided with a powder outlet through which the ground powder falls out; the weighing sensor is arranged on the main machine body below the powder outlet and used for measuring the weight of powder falling out of the powder outlet, the output end of the weighing sensor is connected with the interrupt controller of the main control chip, and when the signal output of the weighing sensor meets the preset condition, the output is configured to be the standby trigger signal of the main control chip, and the main control chip enters a low-power standby mode. The output of the weighing sensor is connected with the main control chip, and when the signal output of the weighing sensor meets the preset condition, the main control chip enters the low-power consumption standby mode, so that the low-power consumption standby mode can be entered without manual control, the product has the advantage of convenient use, and the requirements of energy conservation and environmental protection are met.

Drawings

The invention is further described below with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of a polishing apparatus according to an embodiment of the present disclosure.

Fig. 2 is an exploded view of a grinding apparatus according to an embodiment of the present application.

Fig. 3 is a schematic perspective view of a polishing apparatus according to an embodiment of the present application after a housing of a main body is removed.

Fig. 4 is a schematic cross-sectional view of a polishing apparatus according to an embodiment of the present disclosure.

Fig. 5 is a schematic circuit block diagram of a polishing apparatus according to an embodiment of the present disclosure.

Fig. 6 is a block diagram of a functional module of a main control chip APT32F1023 of the polishing apparatus according to the embodiment of the present application.

FIG. 7 is a schematic diagram of an analog-to-digital conversion circuit of a load cell shown in an embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Referring to fig. 1-7, a grinding apparatus 100 for grinding grains or beans, such as coffee beans, comprises a main body 10, the main body 10 is provided with a motor 11, a control circuit board 12, the control circuit board 12 includes a main control chip, in one embodiment, the main control chip is an APT32F1023, although in other embodiments, other single-chip microcomputers with an interrupt controller and a low-power consumption counter may be used; the sharpening 13 is arranged in the main machine body 10 and is driven and connected by a motor 11, and the main machine body 10 is provided with an opening 14 for exposing the sharpening 13; the raw material cup 20 is used for containing materials to be ground, the raw material cup 20 is connected with the main machine body 10 and communicated with the opening 14, in one embodiment, the raw material cup 20 comprises a cup body and a cup cover, the cup cover can be opened, so that the materials to be ground can be conveniently placed, at least one part of the cup body is made of transparent materials, so that the condition of the internal materials can be conveniently observed, and a hole is formed in the bottom of the cup body, so that the opening 14 is communicated, so that the materials fall down and are contacted with a grinding knife; a powder outlet channel 15 arranged on the main body 10 and having a powder outlet 16 for dropping the ground powder; in one embodiment, the main body 10 is provided with a rechargeable battery 21 and a charging interface 22, the rechargeable battery 21 is electrically connected to the control circuit board 12, and in other embodiments, an external power source may be used for supplying power; the weighing sensor 17 is arranged on the main machine body 10 below the powder outlet 16 and used for measuring the weight of powder falling out of the powder outlet 16, the output end of the weighing sensor 17 is connected with an interrupt controller of the main control chip, and when the signal output of the weighing sensor 17 meets the preset condition, the output is configured to be a standby trigger signal of the main control chip, and the main control chip enters a low-power-consumption standby mode.

In the embodiment of this application, weighing sensor is any one of photoelectric type weighing sensor, fluid pressure type weighing sensor, electromagnetic force type weighing sensor, capacitanc weighing sensor, magnetic pole deformation formula weighing sensor, vibrating weighing sensor, gyroscope formula weighing sensor and resistance strain gauge weighing sensor. In a preferred embodiment, a resistance strain gauge load cell is used, which is based on the principle of: the elastic body (elastic element, sensitive beam) generates elastic deformation under the action of external force, so that the resistance strain gauge (conversion element) adhered on the surface of the elastic body also generates deformation, after the resistance strain gauge is deformed, the resistance value of the resistance strain gauge is changed (increased or decreased), and the resistance change is converted into an electric signal (voltage or current) through a corresponding measuring circuit, thereby completing the process of converting the external force into the electric signal. Referring to fig. 6 and 7, the analog electrical signal output by the load cell is connected with AIN + and AIN-, VRE of the single-channel 24-bit high-precision analog-to-digital conversion chip TM7711 as a reference input, and the analog electrical signal is amplified in the analog-to-digital conversion chip and then generates a serial Digital Output (DOUT) to the main control chip.

Referring to fig. 1-2, in a preferred embodiment, a display module 18 is provided on the main body, and the display module 18 can display the weight of the powder currently measured by the load cell 17.

Referring to fig. 1-2, in an embodiment, the apparatus further includes a powder cup 30, the powder cup 30 is configured to receive the ground powder, an input module 19 is disposed on the main body 10, the input module 19 can be configured to input a preset powder weight, for example, 50g, at this time, the display module displays that the input is 50g, the input module 19 is connected to the control circuit board 12, a main control chip of the control circuit board 12 obtains an output signal of the weighing sensor 17, the motor 11 is started to operate, the ground powder enters the powder cup 30 through the powder outlet channel 15 and the powder outlet 16, and when the ground powder weight reaches 50g, the main control chip controls the motor to be turned off, and the grinding operation is stopped. In an embodiment of the present application, the input module 19 is a knob switch, and is pressed to implement power on or power off, and in the power on state, the rotation can increase or decrease the weight of the set powder. In a preferred embodiment, the input module further comprises a reset button.

In one embodiment, when the powder cup is not placed on the weighing sensor, within a predetermined time, for example, 1 second, after 1 second, the main control chip does not detect the powder cup, and then the grinding device enters a low power consumption mode and a standby state.

The operation of the polishing apparatus 100 in the present application is described as follows:

the method comprises the following steps: the machine is fully charged and the indicator lights in the display module are on for a long time.

Step two: the charging wire is pulled out, the powder cup is checked to be assembled in place, and the machine is started by pressing the knob switch.

Step three: after the machine is opened, the display module displays the currently detected gram weight, and when the reset key is pressed, the display module displays 0 gram weight. At this time, the knob switch is rotated to the right, and the number of the knob switch is increased or decreased in units of 1 gram.

Step four: after the selected gram weight is finished, a knob type switch is pressed down, the machine is started, and after the weighing sensor detects that the weight of the powder reaches the preset weight of the powder, the motor automatically stops. The buzzer sounds 1 sound. And prompting the end of the work. The display module displays the selected gram weight flash for 1 second, but can be set to other time lengths.

Step five: and taking out the powder cup, automatically entering a standby state after the machine senses no weight, and turning off the lamp screen.

The grinding device in this application still has alarming function:

when the powder cup is not placed, the machine is not started when the weighing sensor does not sense, and the machine can be forcibly started;

when the raw material cup is not placed, the mechanical microswitch does not sense, the whole machine is powered off, and the machine cannot be started to work;

when the battery voltage drops to 11.5V, the charge indicator lights flash white (0.5S). When the voltage of the battery is reduced to 10V, the charging indicator lamp turns red and flashes (0.5S) and the buzzer sounds (0.5S on/1.5S off). When the voltage of the battery is reduced to 8.5V, the whole machine is in power-off protection, and can be started after a charging head is inserted for charging;

and (4) blocking protection, when foreign matters enter the knife grinder to cause that the knife head cannot work, the machine automatically stops and accompanies a buzzer to sound for a long time (0.5S on/0.5S off to 30S), or the machine stops immediately after the sound of an on-off key is pressed.

The grinding device of the application also has the following functions:

without any operation for "9 minutes" after the machine is activated, the machine will automatically go to sleep.

After the machine selects a certain gram weight, when the machine is started, the machine automatically records the current gram weight by long pressing the knob switch for 3 seconds, and the memorized gram weight is directly displayed when the machine is used next time.

The product cannot be used while charging, and the maximum charging current is 5.5V-1A.

In the description of the specification, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention with reference to specific embodiments thereof, and it is not intended to limit the invention to the specific embodiments thereof. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims

1. A grinding device, characterized by comprising:

the motor control device comprises a main machine body, a control circuit board and a control module, wherein the main machine body is provided with a motor and the control circuit board which comprises a main control chip;

the knife sharpener is arranged in the main machine body and is driven by the motor to be connected, and the main machine body is provided with an opening for exposing the knife sharpener;

the raw material cup is used for containing materials to be ground, and is connected with the main machine body and communicated with the opening;

the powder outlet channel is arranged on the main machine body and is provided with a powder outlet through which the ground powder falls out;

a weighing sensor arranged on the main body below the powder outlet and used for measuring the weight of the powder falling from the powder outlet, the output end of the weighing sensor is connected with an interrupt controller of the main control chip,

when the signal output of the weighing sensor meets a preset condition, the output is configured to be a standby trigger signal of the main control chip, and the main control chip enters a low-power standby mode.

2. The polishing apparatus as recited in claim 1, wherein said load cell is any one of a photoelectric load cell, a hydraulic load cell, an electromagnetic load cell, a capacitive load cell, a magnetic pole deformation load cell, a vibratory load cell, a gyroscopic load cell, and a resistance strain load cell.

3. The grinding apparatus as claimed in claim 1, wherein a display module is provided on said main body, said display module being capable of displaying the weight of the powder currently measured by said load cell.

4. The grinding device as claimed in claim 3, wherein an input module is provided on the main body, the input module can be used for inputting a predetermined powder weight, the predetermined powder weight can be displayed by the display module, the input module is connected to the control circuit board, a main control chip of the control circuit board obtains an output signal of the weighing sensor, and the motor is turned on and off according to the predetermined powder weight.

5. The abrading apparatus of claim 1, wherein the master control chip of the control circuit board is a single chip with an interrupt controller and a low power consumption counter.

6. The polishing apparatus as recited in claim 5, wherein the master control chip is model APT32F1023.

7. The grinding device as claimed in any one of claims 1 to 6, wherein the raw material cup comprises a cup body and a cup cover, at least one part of the cup body is made of transparent material, and the bottom of the cup body is provided with a hole.

8. The grinding device of claim 7, comprising a powder cup, wherein the powder cup is used for receiving ground powder, when the powder cup is not placed on the weighing sensor, the main control chip enters a low power consumption mode within a preset time, and the grinding device enters a standby state.

9. The abrading device of claim 8, wherein the main body defines a rechargeable battery and a charging interface, the rechargeable battery being electrically connected to the control circuit board.

10. A grinding apparatus as claimed in claim 9, for grinding legume, cereal foodstuffs.