CN101615005A - An ice machine control system - Google Patents

Abstract

The present invention provides an ice maker control system, comprising a control device (1), a power supply module (9), several loads and several sensors, the power supply module (9) is connected to the control device (1), and the sensor's The signal output ends are all connected to the input ends of the control device (1), and the output ends of the control device (1) are connected to the load to turn on the power supply. The control device (1) includes a CPU module (2) and a control execution module (3) , the control execution module (3) is connected between the CPU module (2) and the load. The control system of the invention has the functions of automatic cycle ice making, ice full protection, water shortage and low water level alarm protection, ice making box and ice storage box position detection function, and different ice making time can be selected according to personal preferences and climate conditions to produce different ice. Block size and other functions to meet people's needs.

Description

An ice machine control system

technical field

The invention relates to the technical field of an ice maker in electrical equipment, in particular to an ice maker control system.

Background technique

The built-in ice maker of the traditional refrigerator is only used as an accessory of the refrigerator, and the amount of ice produced is small, the ice making time is long, and the shape of the ice cubes is single. With the improvement of people's living standards, the amount of ice cubes used has increased greatly, and professional ice machines that are fast and can meet different preferences have emerged as the times require.

Contents of the invention

The technical problem to be solved by the present invention is to provide a function of automatic cycle ice making, ice full protection, water shortage and low water level alarm protection, ice making box and ice storage box position detection function and ice making time can be adjusted accordingly and ice cube size ice machine control system.

In order to solve the technical problem, the technical solution of the present invention is: an ice machine control system, including a control device, a power module, several loads and several sensors, the power module is connected to the control device, and the signal output terminal of the sensor Both are connected with the input end of the control device, and the output end of the control device is connected with the load.

The control device includes a CPU module and a control execution module, and the control execution module is connected between the CPU module and the load.

The control device also includes a key module and a display module, the key module is connected to the input end of the CPU module, and the display module is connected to the output end of the CPU module.

The button module is provided with small, medium and large mode selection keys, ON/OFF key and pause key, and the small, medium and large mode selection buttons are used for users to select different ice-making modes to adjust the corresponding ice-making time.

The sensor includes a water shortage and low water level photocell connected to the CPU module, a photocell at the end position of the ice maker, a photocell at the start position of the ice maker, a photocell at the position of the ice storage box, and a photocell at the full state of the ice storage box, as a sensor The photocell is the detection device.

The loads include compressors, fan motors, solenoid valves, synchronous motors and suction pumps.

The display module includes light-emitting tubes corresponding to water shortage and low water level photocells, photocells at the end position of the ice making box, photocells at the beginning position of the ice making box, photocells at the position of the ice storage box, and photocells at the full ice state of the ice storage box. When the tube lights up, it acts as an indicator light for the corresponding photocell.

The ice machine control system also includes a buzzer connected to the CPU module, the buzzer is directly driven by the CPU module, and placed on the main control board or the display module as required, generally placed on the display module to increase the buzzer sound .

The control method of the ice maker control system includes the following control process:

1) The user presses the small, medium, and large mode selection keys on the key module, and then presses the ON/OFF key to start the machine, and the CPU module scans and samples all corresponding photocell signals;

2) When the start-up conditions are met, the CPU module sends a control signal to the control execution module, thereby controlling the operation of the suction pump, compressor, and fan motor;

3) According to the small, medium and large modes selected by the user, after the water suction pump works for a certain period of time, the water suction pump motor stops working;

4) After a certain period of continuous ice making, when the CPU module scans and samples the water shortage and low water level photocell signal, the photocell signal of the ice storage box is disconnected, and the ice storage box is full of ice. When the photocell signal is connected, the CPU module sends a control signal to Control the execution module, so as to control the synchronous motor to start turning over and start deicing;

5) The CPU module scans and samples the signal of the photocell at the end position of the ice box and disconnects the signal of the photocell at the start position of the ice box. The CPU module sends a control signal to the control execution module, thereby controlling the synchronous motor to stop and the solenoid valve to start;

6) After pouring water and deicing for a certain period of time, the synchronous motor rotates and the solenoid valve stops. At the same time, the CPU module scans and samples the ice storage box full of ice. The photoelectric cell signal is disconnected, the synchronous motor stops, the water suction pump starts, and returns to the ice making cycle.

The beneficial effect of the present invention relative to prior art is:

The control system of the present invention has the functions of automatic cycle ice making, ice full protection, water shortage and low water level alarm protection, ice making box and ice storage box position detection function, and different ice making time can be selected according to personal preferences and climate conditions to produce different ice cubes Size and other functions to meet people's needs.

Description of drawings

Fig. 1 is the structural block diagram of control system of the present invention;

Fig. 2 is a control flow chart of the control system of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Please refer to accompanying drawing 1, the structural block diagram of the control system of the present invention, an ice machine control system, comprises control device 1, power supply module 9, several loads and several four major modules of sensor, and power supply module 9 is connected with control device 1.

The control device 1 includes a CPU module 2, a control execution module 3, a key module 16 and a display module 15; the sensor includes a photoelectric cell 10 for water shortage and low water level, a photoelectric cell 11 for the final position of the ice making box, and a photoelectric cell 12 for the initial position of the ice making box , ice storage box position photocell 13 and ice storage box ice full state photocell 14; All photocells of the sensor are connected to the CPU module 2, the control execution module 3 is connected between the CPU module 2 and the load, the button module 16 is connected to the input end of the CPU module 2, and the display module 15 is connected to the output end of the CPU module 2.

The key module 16 is provided with small, medium and large mode selection keys, ON/OFF key and pause key. By pressing different keys, the self-check function and working step function of the ice machine can be detected and the ice machine can be controlled to enter the automatic mode. Circular ice making or forced deicing state; L, M, B, RUN and WARN light-emitting tubes are set on the display module 15, and when they are lit, they are respectively used as the photoelectric tube 10 corresponding to the water shortage and low water level, the photoelectric tube 11 at the end position of the ice making box, and the The indicator lights of the photoelectric cell 12 at the initial position of the ice box, the photoelectric cell 13 at the position of the ice storage box and the photoelectric cell 14 at the full state of ice in the ice storage box.

The ice machine control system of the present invention can also be provided with a buzzer connected to the CPU module 2, the buzzer is directly driven by the CPU module 2, and the placement position is placed on the main control board or the display module 15 as required, generally placed on the display module 15 Beeps can be increased.

With reference to accompanying drawing 2, the control process of control system of the present invention is as follows:

1) The user can press the small, medium, and large mode selection buttons on the button module 16 to select different ice-making modes to adjust the corresponding ice-making time. The display module 15 displays the corresponding mode, and then press the ON/OFF key to start the machine. , the CPU module 2 scans and samples the photocell signals of all corresponding sensors;

2) When the start-up conditions are met, the CPU module 2 sends a control signal to the control execution module 3, thereby controlling the suction pump 8, the compressor 4, and the fan motor 5 to work;

3) According to the small, medium and large modes selected by the user, after the water suction pump works for a certain period of time, the water suction pump motor stops working;

4) After a certain period of continuous ice making, when the CPU module 2 scans and samples the water shortage and low water level photocell 10, the signal is connected, the signal of the photocell 13 at the position of the ice storage box is disconnected, and the signal of the photocell 14 is connected when the ice storage box is full of ice. When the ice condition is met, the CPU module 2 sends a control signal to the control execution module 3, thereby controlling the synchronous motor 7 to turn over and start deicing;

5) At the same time, the CPU module 2 scans and samples the signal of the photoelectric cell 11 at the final position of the ice making box and disconnects the signal of the photoelectric cell 12 at the initial position of the ice making box. The CPU module 2 sends a control signal to the control execution module 3 to control the synchronous motor 7 to stop. Solenoid valve 6 starts;

6) After pouring water and deicing for a certain period of time, the synchronous motor 7 rotates and the solenoid valve 6 stops. At the same time, the CPU module 2 scans and samples the ice-full state of the ice storage box. The photoelectric cell 12 signal at the initial position of the ice making box is disconnected, the synchronous motor 7 stops, the water suction pump 8 starts, and returns to the ice making cycle.

Control system of the present invention also has self-inspection function, and self-inspection method is:

Press and hold the pause key "PAUSE" of the button module 16 to power on, the buzzer will sound once, and self-test can be carried out; the self-test equipment includes the L, M, B, RUN and WARN light-emitting tubes set on the display module 15 , compressor 4, fan motor 5, solenoid valve 6, synchronous motor 7 and water suction pump 8 and other output loads and water shortage and low water level photocell 10, ice box final position photocell 11, ice box initial position photocell 12, Sensors such as the photoelectric cell 13 for the position of the ice storage box and the photoelectric cell 14 for the full ice state of the ice storage box; after self-inspection for 1 minute, it will automatically exit and enter the standby state.

The control system of the present invention also has the function of detecting ice-making work steps, and the method is:

Press and hold the mode selection key "SELECT" key on the key module 16 to power on, the buzzer will sound three times in a row, press the ON/OFF key to start the machine, and the working steps can be checked. In the case of no pause (that is, when the pause button is not pressed), press the "SELECT" button to enter the next step, the sequence is as follows:

Pump water-------ice making--------de-ice----modulate the ice box back to the original position-----pump water-----(continuous cycle )

The control system of the present invention also has the function of forced deicing:

Under normal working conditions, press the SELECT key + PAUSE key (pause key) to enter the forced de-icing mode, and press to enter the de-icing mode to execute the program.

Claims (9)

1. An ice maker control system, characterized by comprising a control device (1), a power module (9), several loads and several sensors, the power module (9) is connected to the control device (1), and the sensor The signal output ends of the control device (1) are all connected to the input end of the control device (1), and the output ends of the control device (1) are connected to the load. 2. The automatic cycle ice maker control system according to claim 1, characterized in that the control device (1) includes a CPU module (2) and a control execution module (3), and the control execution module (3 ) is connected between the CPU module (2) and the load. 3. The ice maker control system according to claim 2, characterized in that the control device (1) also includes a key module (16) and a display module (15), and the key module (16) and the CPU module (2) The input terminal of display module (15) is connected with the output terminal of CPU module (2). 4. The ice maker control system according to claim 3, characterized in that the key module (16) is provided with small, medium and large mode selection keys, an ON/OFF key and a pause key. 5. The control system of the ice maker according to claim 4, characterized in that the sensor includes a water shortage and low water level photocell (10) connected to the CPU module (2), a photocell (11) at the final position of the ice making box , the photocell of the initial position of the ice making box (12), the photocell of the position of the ice storage box (13) and the photocell of the full ice state of the ice storage box (14). 6. The ice maker control system according to claim 4, characterized in that the load includes a compressor (4), a fan motor (5), a solenoid valve (6), a synchronous motor (7) and a water suction pump (8 ). 7. The ice maker control system according to claim 5 or 6, characterized in that the display module (15) includes photocells (10) corresponding to water shortage and low water level, photocells (11) at the final position of the ice making box, The light-emitting tubes of the photoelectric cell (12) at the initial position of the ice making bin, the photoelectric cell (13) at the position of the ice storage bin, and the photoelectric cell (14) at the full ice state of the ice storage bin. 8. The ice maker control system according to claim 7, further comprising a buzzer connected to the CPU module (2). 9. The control method of the ice machine control system according to claim 8, characterized in that it includes the following control process: 1) The user presses the small, medium and large mode selection keys on the key module (16), and then presses the ON/OFF key to start the machine, and the CPU module (2) scans and samples all corresponding photocell signals; 2) When the start-up conditions are met, the CPU module (2) sends a control signal to the control execution module (3), thereby controlling the water suction pump (8), the compressor (4), and the fan motor (5) to work; 3) According to the small, medium and large modes selected by the user, after the water suction pump works for a certain period of time, the water suction pump motor stops working; 4) After a certain period of continuous ice making, when the CPU module (2) scans and samples the water shortage and low water level photocell (10), the signal is connected, the signal of the photocell (13) at the position of the ice storage box is disconnected, and the photocell of the ice storage box is full of ice. (14) When the signal is connected, the CPU (2) sends a control signal to the control execution module (3), thereby controlling the synchronous motor (7) to start turning over and start deicing; 5) The CPU module (2) scans and samples the signal of the photoelectric cell (11) at the final position of the ice making box and disconnects the signal of the photoelectric cell (12) at the initial position of the ice making box, and the CPU (2) sends a control signal to the control execution module (3) , thereby controlling the synchronous motor (7) to stop and the solenoid valve (6) to start; 6) After pouring water and deicing for a certain period of time, the synchronous motor (7) rotates and the solenoid valve (6) stops. At the same time, the CPU module (2) scans and samples the ice storage box full of ice. The final position photoelectric cell (11) signal is connected, the ice box initial position photoelectric cell (12) signal is disconnected, the synchronous motor (7) stops, the water suction pump (8) starts, and returns to the ice making cycle.

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