CN202421884U

CN202421884U - Soybean milk making circuit for soybean milk maker

Info

Publication number: CN202421884U
Application number: CN201120507165XU
Authority: CN
Inventors: 王旭宁; 余青辉
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2011-12-08
Filing date: 2011-12-08
Publication date: 2012-09-05
Anticipated expiration: 2021-12-08

Abstract

The utility model provides a soybean milk making circuit for a soybean milk maker. The soybean milk making circuit comprises a control chip micro control unit (MCU), a display circuit and an integrated chip U1, wherein the display circuit is electrically connected with the integrated chip U1; and the integrated chip U1 is electrically connected with the control chip MCU. The integrated chip U1 is used for processing a display signal, so that the number of display circuit devices of the soybean milk maker is small; a matrix type driving output is adopted, so that a relatively large number of display devices are driven, and the demand on reducing the number of input/output (I/O) ports of a control chip is met; furthermore, a matrix type driving output port can be used for selecting a function and a machine type; and therefore, the function selection and the display circuit of the soybean milk maker are simplified to the maximum extent.

Description

A kind of soy bean milk making machine is used the slurrying circuit

Technical field

The utility model relates to a kind of circuit, relates in particular to a kind of soy bean milk making machine and uses the slurrying circuit.

Background technology

At present increased a lot of functions in the soy bean milk making machine, some high-end products especially, its function button is more, and it shows also and shows that by number progressively replacing original LED shows; Control signal is also many, like temperature signal, and the anti-overflow signal; Water level signal, push button signalling, shows signal or the like; This just causes the I/O mouth Requirement Increases of single-chip microcomputer, and inner program's memory space requires to increase, and the complexity of circuit also improves.

Button in the existing soy bean milk making machine technology is selected and display circuit, all is the corresponding button of an I/O mouth, perhaps the corresponding LED lamp of I/O mouth; Though can guarantee the accuracy that button is selected and shown like this; But along with the development of soy bean milk making machine function, and needs of people, this mode causes the I/O mouth increase in demand to single-chip microcomputer; Make the wasting of resources more, when the PCB layout, also can occur problems such as complex circuit in addition.

The utility model content

The utility model technical matters to be solved provides the simple soy bean milk making machine of a kind of circuit and uses the slurrying circuit.

In order to solve above technical matters; The utility model provides a kind of soy bean milk making machine to use the slurrying circuit; Comprise control chip MCU, display circuit, wherein, said soy bean milk making machine also comprises integrated chip U1 with the slurrying circuit; Said display circuit is electrically connected with said integrated chip U1, and said integrated chip U1 is electrically connected with said control chip MCU.

Preferably, said integrated chip U1 is provided with matrix form drive output mouth, and said display circuit is connected with said matrix form drive output mouth.

Preferably, said display circuit comprises charactron; Perhaps said display circuit comprises segment encode LCD; Perhaps said display circuit comprises liquid crystal display; Perhaps said display circuit comprises LED.

Preferably, said soy bean milk making machine also comprises function selector circuit with the slurrying circuit, and said function selector circuit is connected with said integrated chip U1.

Preferably; Said integrated chip U1 is provided with keyboard scan port and matrix form drive output mouth; One end of said function selector circuit connects said keyboard scan port, and the other end of said function selector circuit connects the row matrix port or the rectangular array port of said matrix form drive output mouth.

Preferably, said function selector circuit comprises button, and an end of said button connects said keyboard scan port, and the other end of said button connects the row matrix port or the rectangular array port of said matrix form drive output mouth.

Preferably, said soy bean milk making machine also comprises type selection circuit with the slurrying circuit, and said type selects circuit to be connected with said integrated chip U1.

Preferably; Said integrated chip U1 also comprises keyboard scan port and matrix form drive output mouth; Said type selects an end of circuit to connect said keyboard scan port, and said type selects the other end of circuit to connect the row matrix port or the rectangular array port of said matrix form drive output mouth.

Preferably, said type selects circuit to comprise resistance, and an end of said resistance connects said keyboard scan port, and the other end of said resistance connects the row matrix port or the rectangular array port of said matrix form drive output mouth.

Preferably, said soy bean milk making machine also comprises the load circuit by said control chip control with the slurrying circuit.

Through selecting for use integrated chip U1 to come the processes and displays signal, make that the display circuit device of soy bean milk making machine is few, and adopt matrix form to drive output, make and reduce control chip I/O mouth quantity demand when driving more display device.

Through selecting for use integrated chip U1 to come processing capacity to select signal, the I/O mouth number needs of control chip is begged to surrender low, and function selecting and demonstration are handled by integrated chip U1 outside control chip separately, saves the program's memory space of control chip; Select circuit through type is set, can be applicable to the control program of different type of machines, select circuit to select, make various types can use same control chip, improved the standardization of control chip through type in same control chip MCU stored.Adopt matrix form to drive output and can drive more demonstration, function selecting and type selection simultaneously can multiplexing matrix form drive output mouth, and the soy bean milk making machine of the utility model is simplified with function selecting and display circuit most.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:

Fig. 1 is that the soy bean milk making machine of the utility model is used the slurrying schematic block circuit diagram;

Fig. 2 is the display circuit schematic diagram of the soy bean milk making machine of the utility model with the slurrying circuit;

Fig. 3 is that the soy bean milk making machine of the utility model is selected circuit theory diagrams with the function selecting and the type of slurrying.

Embodiment

Embodiment 1:

As shown in Figure 1; A kind of soy bean milk making machine of the utility model is used the slurrying circuit; Comprise control chip MCU, display circuit, wherein, said soy bean milk making machine also comprises integrated chip U1 with the slurrying circuit; Said display circuit is electrically connected with said integrated chip U1, and said integrated chip U1 is electrically connected with said control chip MCU.Said soy bean milk making machine also comprises the function selector circuit and the type selection circuit that is used to distinguish different type of machines that is used to select the difference in functionality program with the slurrying circuit, and said function selector circuit and said type select circuit to electrically connect with said integrated chip U1 respectively.Carry out data transmission between said control chip MCU and the said integrated chip U1.

As shown in Figure 2; Said integrated chip U1 is provided with matrix form drive output mouth; Said display circuit connects the matrix form drive output mouth of said integrated chip U1; Said display circuit comprises LED1, and the row matrix port of the matrix form drive output mouth of the end of said LED1 and said integrated chip U1 electrically connects, and the other end of said LED1 is electrically connected with the rectangular array port of said matrix form drive output mouth.

As shown in Figure 3; Said integrated chip U1 also is provided with the keyboard scan port; Said function selector circuit comprises button K; The end of said button K connects the keyboard scan port K2 of said integrated chip U1, and the other end of said button K connects the rectangular array port of row matrix port or said matrix form output port of the matrix form drive output mouth of said integrated chip U1, also is provided with the capacitor C 1 that is used for filtering between said function selector circuit and the ground; Said capacitor C 1 one ends be functionally connected to, the other end of said C1 is connected to said keyboard scan port K2.Said type selects circuit to comprise resistance R; One end of said resistance R connects the keyboard scan port K1 of said integrated chip U1; The other end of said resistance R connects the rectangular array port of row matrix port or said matrix form output port of the matrix form drive output mouth of said integrated chip U1, and said type is selected also to be provided with the capacitor C 2 that is used for filtering between circuit and the ground.

The soy bean milk making machine of the utility model has the following advantages with the slurrying circuit: come the processes and displays signal through selecting integrated chip U1 for use; Make that the display circuit device of soy bean milk making machine is few; And adopt matrix form to drive output, make and reduce control chip I/O mouth quantity demand when driving more display device.

Through selecting for use integrated chip U1 to come processing capacity to select signal, it is low that the I/O mouth number needs of control chip is begged to surrender, and function selecting and demonstration are handled by integrated chip U1 outside control chip separately, saves the program's memory space of control chip; Select circuit through type is set, can be applicable to the control program of different type of machines, select circuit to select, make various types can use same control chip, improved the standardization of control chip through type in same control chip MCU stored.Adopt matrix form to drive output and can drive more demonstration, function selecting and type selection simultaneously can multiplexing matrix form drive output mouth, and the soy bean milk making machine of the utility model is simplified with function selecting and display circuit most.

Simple deformation as present embodiment; Said function selector circuit can comprise n road button; One end of said n road button all is connected to the keyboard scan port of said integrated chip U1; The other end of said n road button is connected respectively to the matrix form drive output mouth of said integrated chip U1, and wherein the number of n can be consistent with the matrix form output port quantity of said integrated chip U1.

Another simple deformation as present embodiment; Described type selects circuit to be made up of m road resistance; One end of said m road resistance all is connected to the keyboard scan port of said integrated chip U1; The other end of said m road resistance is connected respectively to the matrix form drive output mouth of said integrated chip U1, and wherein the number of m can be consistent with the matrix form drive output mouth quantity of said integrated chip U1.

As the third simple deformation of present embodiment, said display circuit not only is confined to this and implements said LED1 one tunnel, and it can carry out the matrix combination by the capable port and the row port of said matrix driving output port.

As the 4th kind of simple deformation of present embodiment, said display circuit can be charactron or the liquid crystal display or the segment encode LCD etc. of matrix driving.

Soy bean milk making machine slurrying circuit in the present embodiment also comprises load circuit, signal deteching circuit and power circuit; Said load circuit comprises heater block, motor, switch; Said switch is controlled said heater block and said motor; Said load circuit also comprises the switch driving circuit that is used to drive said switch; Said control chip is controlled said switch through switch driving circuit, and said signal deteching circuit is electrically connected with said control chip, and said signal deteching circuit comprises temperature sensing circuit, anti-overflow circuit and water level detection circuit.

The protection domain that it is emphasized that the utility model comprises but is not limited to above-mentioned embodiment.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some distortion and improvement, these also should be regarded as the protection domain that belongs to the utility model.

Claims

1. a soy bean milk making machine is used the slurrying circuit; Comprise control chip MCU, display circuit, it is characterized in that said soy bean milk making machine also comprises integrated chip U1 with the slurrying circuit; Said display circuit is electrically connected with said integrated chip U1, and said integrated chip U1 is electrically connected with said control chip MCU.

2. soy bean milk making machine according to claim 1 is used the slurrying circuit, it is characterized in that, said integrated chip U1 is provided with matrix form drive output mouth, and said display circuit is connected with said matrix form drive output mouth.

3. soy bean milk making machine according to claim 2 is used the slurrying circuit, it is characterized in that, said display circuit comprises charactron; Perhaps said display circuit comprises segment encode LCD; Perhaps said display circuit comprises liquid crystal display; Perhaps said display circuit comprises LED.

4. soy bean milk making machine according to claim 1 is used the slurrying circuit, it is characterized in that, said soy bean milk making machine also comprises function selector circuit with the slurrying circuit, and said function selector circuit is connected with said integrated chip U1.

5. soy bean milk making machine according to claim 4 is used the slurrying circuit; It is characterized in that; Said integrated chip U1 is provided with keyboard scan port and matrix form drive output mouth; One end of said function selector circuit connects said keyboard scan port, and the other end of said function selector circuit connects the row matrix port or the rectangular array port of said matrix form drive output mouth.

6. soy bean milk making machine according to claim 4 is used the slurrying circuit; It is characterized in that; Said function selector circuit comprises button, and an end of said button connects said keyboard scan port, and the other end of said button connects the row matrix port or the rectangular array port of said matrix form drive output mouth.

7. soy bean milk making machine according to claim 1 is used the slurrying circuit, it is characterized in that, said soy bean milk making machine also comprises type selection circuit with the slurrying circuit, and said type selects circuit to be connected with said integrated chip U1.

8. soy bean milk making machine according to claim 7 is used the slurrying circuit; It is characterized in that; Said integrated chip U1 also comprises keyboard scan port and matrix form drive output mouth; Said type selects an end of circuit to connect said keyboard scan port, and said type selects the other end of circuit to connect the row matrix port or the rectangular array port of said matrix form drive output mouth.

9. soy bean milk making machine according to claim 7 is used the slurrying circuit; It is characterized in that; Said type selects circuit to comprise resistance, and an end of said resistance connects said keyboard scan port, and the other end of said resistance connects the row matrix port or the rectangular array port of said matrix form drive output mouth.

10. soy bean milk making machine according to claim 1 is used the slurrying circuit, it is characterized in that, said soy bean milk making machine also comprises the load circuit by said control chip control with the slurrying circuit.