Circuit control system of ice thickness controller

Abstract

The utility model discloses a circuit control system of an ice thickness controller, which belongs to the technical field of ice thickness control and is provided with a power supply module, a control module and a driving module, and a voltage stabilizing circuit receives an input power supply processed by an ACAC converter and supplies power to the control module and the driving module. The control module receives a detection signal of an ice surface, generates a control instruction and controls the switch unit to be closed, the amplification unit processes the control instruction and drives external equipment connected with the amplification unit to work so as to control the thickness of an ice layer, the circuit has the advantages of simple structure, low energy consumption, accurate control and the like, the working stability of the ice thickness controller is improved, and the reliability is high. The ice maker is suitable for various application scenes such as ice making or refrigeration.

Description

Technical Field

[0001] This utility model belongs to the field of ice thickness control technology, and in particular relates to a circuit control system for an ice thickness controller. Background Technology

[0002] Currently, ice thickness control in ice makers generally employs three methods: ice thickness detection, temperature control, and pressure control. However, ice thickness controllers typically use mechanical structures or simple circuits, resulting in problems such as low adjustment accuracy, slow response speed, and high energy consumption. The lack of an integrated, intelligent ice thickness control circuit system makes it difficult to meet the precise ice thickness control requirements of modern industrial and civilian equipment. Therefore, there is an urgent need to provide an ice thickness controller circuit control system to solve the aforementioned technical problems. Utility Model Content

[0003] To address the aforementioned problems, this utility model provides a circuit control system for an ice thickness controller, which has advantages such as simple structure, precise control, and low energy consumption. It is applicable to fields such as ice-making equipment and refrigeration systems, thereby solving the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model provides a circuit control system for an ice thickness controller, including a power module, a control module, and a drive module, wherein the power module and the drive module are both connected to the control module.

[0006] The power supply module includes an ACAC converter, a voltage regulator circuit, and a first filter unit. The ACAC converter and the voltage regulator circuit are both connected to the first filter unit, and the ACAC converter is connected to the voltage regulator circuit. The drive module includes an amplifier unit and a switching unit. The switching unit and the voltage regulator circuit are both connected to the amplifier unit, and the switching unit is connected to the voltage regulator circuit.

[0007] The voltage regulator circuit receives the input power processed by the ACAC converter and supplies power to the control module and the drive module. The control module receives the detection signal from the ice surface, generates control commands, and controls the switching unit to engage. The amplification unit processes the control commands and drives the external devices connected to the amplification unit to operate.

[0008] As a preferred embodiment of the above technical solution, the control module includes a microcontroller and a second filtering unit. The second filtering unit is connected to the microcontroller. The microcontroller receives the detection signal from the ice surface through an I / O interface. The second filtering unit rectifies and filters the detection signal to output the control command corresponding to the detection signal.

[0009] As a preferred embodiment of the above technical solution, the control module further includes a protection circuit connected to the microcontroller.

[0010] As a preferred embodiment of the above technical solution, the microcontroller includes a chip U1 with the model number PIC12 / F1572.

[0011] As a preferred embodiment of the above technical solution, the voltage regulator circuit includes a chip U2 of model ASM1117, and the chip U2 is connected to multiple capacitors in parallel.

[0012] As a preferred embodiment of the above technical solution, the switching unit includes a relay K1 with model number RZ03-1A3-D012.

[0013] As a preferred embodiment of the above technical solution, the amplification unit includes a transistor Q1 of model number 2N5551.

[0014] As a preferred embodiment of the above technical solution, the external equipment includes at least one of a compressor, a fan, a stirrer, or a stirrer-condenser.

[0015] As a preferred embodiment of the above technical solution, the AC-AC converter is used to convert 220V voltage into 12V AC power, and the power supply module is used to convert the AC power into stable 5V DC power.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] By setting up a power supply module, a control module, and a drive module, the voltage regulator circuit receives the input power processed by the ACAC converter and supplies power to the control module and the drive module. The control module receives the detection signal from the ice surface, generates control commands, and controls the switching unit to engage. The amplification unit processes the control commands and drives the external device connected to the amplification unit to work in order to control the ice thickness. The circuit has the advantages of simple structure, low energy consumption, and precise control, which improves the working stability of the ice thickness controller and is suitable for various ice-making or refrigeration applications. Attached Figure Description

[0018] Figure 1 This is a block diagram of the circuit control system for the ice thickness controller proposed in this utility model;

[0019] Figure 2 This is a circuit diagram of the AC-AC converter proposed in this utility model;

[0020] Figure 3 This is a circuit diagram of the control module proposed in this utility model.

[0021] The symbols for the main components are explained below:

[0022] 100 - Power supply module; 110 - AC-AC converter; 120 - Voltage regulator circuit; 130 - First filter unit; 200 - Control module; 210 - Microcontroller; 220 - Second filter unit; 230 - Protection circuit; 300 - Driver module; 310 - Amplification unit; 320 - Switching unit. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0025] See Figure 1 , Figure 2 and Figure 3 This utility model provides a circuit control system for an ice thickness controller, including a power supply module 100, a control module 200 and a drive module 300, wherein the power supply module 100 and the drive module 300 are both connected to the control module 200.

[0026] The power module 100 includes an ACAC converter 110, a voltage regulator circuit 120, and a first filter unit 130. The ACAC converter 110 and the voltage regulator circuit 120 are both connected to the first filter unit 130, and the ACAC converter 110 is connected to the voltage regulator circuit 120. The drive module 300 includes an amplification unit 310 and a switching unit 320. The switching unit 320 and the voltage regulator circuit 120 are both connected to the amplification unit 310, and the switching unit 320 is connected to the voltage regulator circuit 120.

[0027] The voltage regulator circuit 120 is used to receive the input power processed by the ACAC converter 110 and supply power to the control module 200 and the drive module 300. The control module 200 receives the detection signal of the ice surface, generates control commands, and controls the switch unit 320 to close. The amplification unit 310 processes the control commands and drives the external devices connected to the amplification unit 310 to work.

[0028] In this embodiment, the control module 200 includes a microcontroller 210 and a second filtering unit 220. The second filtering unit 220 is connected to the microcontroller 210. The microcontroller 210 receives a detection signal from the ice surface through an I / O interface. The second filtering unit 220 rectifies and filters the detection signal to output a control command corresponding to the detection signal. The control module 200 also includes a protection circuit 230 connected to the microcontroller 210. The microcontroller 210 includes a PIC12 / F1572 chip U1. Circuit 120 includes a chip U2 of model ASM1117, which is connected to multiple capacitors in parallel. The switching unit 320 includes a relay K1 of model RZ03-1A3-D012. The amplification unit 310 includes a transistor Q1 of model 2N5551. The external device includes at least one of a compressor, a fan, a stirrer, or a stirrer-condenser. The AC-AC converter 110 is used to convert 220V voltage to 12V AC power. The power module 100 is used to convert the AC power to a stable 5V DC power.

[0029] It should be noted that the AC-AC converter 110 converts one AC waveform into another, where both the output voltage amplitude and frequency are adjustable. It is commonly used in AC dimming, speed control, and high-power AC motor drive circuits. A relay is an electrical device that causes a predetermined step change in the controlled quantity in the electrical output circuit when the change in the input quantity (excitation quantity) reaches a specified requirement. For example... Figure 2 As shown, terminal A1 receives a 220V input voltage. The AC-AC converter 110 is connected to the voltage input terminals L and N (pins 1 and 2) of terminal A1. Terminal A1 can connect to multiple external devices. Pins 3 and 4 of terminal A1 are connected to a compressor, pins 5 and 6 to a fan, pins 8 and 9 to an agitator, pins 10 and 11 to a condenser, and pins 12 and 13 to a probe. The input of relay K1 is connected to the aforementioned external devices, and the output of relay K1 is connected to pins 1 and 10 of terminal A2A. The AC-AC converter 110 is connected to capacitor C1 and pins 7 and 11 of terminal A2A. The AC-AC converter 110 outputs 12V AC power. Capacitor C1 is connected to pins 7 and 9 of terminal A2A, and the probe is connected to pins 2 and 12 of terminal A2A.

[0030] Specifically, such as Figure 3As shown, terminal A2B is connected to terminal A2A. The anode of diode D2 and the collector of transistor Q1 are connected to pin 1 of terminal A2B. The cathode of diode D2 is connected to the cathode of diode D1 and pins 9 and 10 of terminal A2B. The cathode of diode D1 is connected to one end of resistor R4 and pin 14 of terminal A2B. The protection circuit 230 includes diodes D3 and D4, resistor R1, capacitor C2, and resistor R2. The cathode of diode D3 and the anode of diode D4 are connected to pin 2 of terminal A2B. The anode of diode D3 is connected to one end of resistor R1, and the other end of resistor R1 is connected to capacitor C2. One end of resistor R2 is connected to pin 8 (VSS) of chip U1, and the other end of resistor R2 is connected to the cathode of diode D4 and pin 5 (RA2) of chip U1. The base of transistor Q1 is connected to one end of resistor R3, and the other end of resistor R3 is connected to pin 3 (RA4) of chip U1. The emitter of transistor Q1 is grounded. One end of resistor R5 is connected to pin 1 (VDD) of chip U1 and pin 8 of terminal A2B, and the other end of resistor R5 is connected to pin 4 (RA3) of chip U1 and pin 3 of terminal A2B. One end of resistor R17 is connected to pin 7 of terminal A2B. Pin 6 (RA1) of chip U1 is connected to pin 4 of terminal A2B, and pin 7 (RA0) of chip U1 is connected to pin 5 of terminal A2B.

[0031] The voltage regulator circuit 120 includes chip U2, capacitors C3, C5, C6, and C7. Capacitor C7 is connected to the input terminal of chip U2, and capacitors C3, C5, and C6 are connected to the output terminal of chip U2. One end of resistor R17 is connected to capacitor C4 and the voltage regulator circuit 120, and the other end of resistor R17 is connected to pin 7 of terminal A2B. Capacitor C4 is connected to the cathodes of diodes D1 and D2. The first filter unit 130 is a filter capacitor C1, and the second filter unit 220 is a rectifier filter composed of D2 and C4. The drive module 300 includes transistor Q1, diode D2, resistor R3, and relay K1. In other words, the power supply module 100 includes an AC-AC converter, a filter capacitor C1 (35V / 47μF), and a voltage regulator circuit, which are used to convert AC power into stable DC power (5V) to power the system; the control module 200 uses a microcontroller U1 (PIC12 / F1572), and its I / O port receives ice surface information through a probe, the signal is rectified and filtered by D2 and C4, and control commands are output; the drive module 300 includes a transistor Q1 (2N5551), a diode D2 (M7), a resistor R3, and a relay K1.

[0032] Specifically, the working principle of this utility model is as follows: The ACAC converter 110 converts 220V voltage into 12V AC power, and after rectification and filtering, outputs stable DC power, which is then supplied to the microcontroller 210 and the drive module 300 via the voltage regulator circuit 120; the probe signal (detection signal) is input to the microcontroller 210 through the RA2 interface, and after internal ADC conversion, the ice layer thickness is calculated by a preset algorithm and a control signal (command) is generated. The RA4 outputs the control signal to control the activation of the relay K1, thereby controlling the operation of the stirrer, compressor, and fan; the control signal is output to the drive module 300 through the RA4 interface, and the transistor Q1 is turned on or off according to the signal to control the start / stop or speed of the stirrer, thereby controlling the operation of the stirrer, compressor, and fan to achieve the purpose of controlling the ice layer thickness. With a stable power supply provided by the ACAC converter 110, the microcontroller 210 receives the probe signal and outputs control commands to drive the relay to control the stirrer and control the ice layer thickness. This utility model has the advantages of simple structure, precise control, and low energy consumption, and is suitable for ice-making equipment, refrigeration systems, and other fields.

[0033] It should be understood that by setting up a power supply module 100, a control module 200, and a drive module 300, the voltage regulator circuit 120 receives the input power processed by the ACAC converter 110 and supplies power to the control module 200 and the drive module 300. The control module 200 receives the detection signal from the ice surface, generates control commands, and controls the switch unit 320 to engage. The amplification unit 310 processes the control commands and drives the external device connected to the amplification unit 310 to work in order to control the ice thickness. The circuit has the advantages of simple structure, low energy consumption, and precise control, which improves the working stability of the ice thickness controller and is suitable for various ice-making or refrigeration applications.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A circuit control system for an ice thickness controller, characterized by, It includes a power module, a control module, and a drive module, wherein the power module and the drive module are both connected to the control module; The power supply module includes an ACAC converter, a voltage regulator circuit, and a first filter unit. The ACAC converter and the voltage regulator circuit are both connected to the first filter unit, and the ACAC converter is connected to the voltage regulator circuit. The drive module includes an amplifier unit and a switching unit. The switching unit and the voltage regulator circuit are both connected to the amplifier unit, and the switching unit is connected to the voltage regulator circuit. The voltage regulator circuit receives the input power processed by the ACAC converter and supplies power to the control module and the drive module. The control module receives the detection signal from the ice surface, generates control commands, and controls the switching unit to engage. The amplification unit processes the control commands and drives the external devices connected to the amplification unit to operate.

2. The circuit control system for an ice thickness controller of claim 1, wherein, The control module includes a microcontroller and a second filtering unit. The second filtering unit is connected to the microcontroller. The microcontroller receives the detection signal from the ice surface through an I / O interface. The second filtering unit rectifies and filters the detection signal to output the control command corresponding to the detection signal.

3. The circuit control system for an ice thickness controller of claim 2, wherein, The control module also includes a protection circuit connected to the microcontroller.

4. The circuit control system for an ice thickness controller of claim 3, wherein, The microcontroller includes a chip U1 with the model number PIC12 / F1572.

5. The circuit control system for an ice thickness controller of claim 1, wherein, The voltage regulator circuit includes a chip U2 of model ASM1117, and the chip U2 is connected to multiple capacitors in parallel.

6. The circuit control system for an ice thickness controller of claim 1, wherein, The switching unit includes a relay K1 with model number RZ03-1A3-D012.

7. The circuit control system of the ice thickness controller according to claim 1, characterized in that, The amplification unit includes a transistor Q1 of model number 2N5551.

8. The circuit control system for an ice thickness controller of claim 1, wherein, The external equipment includes at least one of a compressor, a fan, a stirrer, or a stirred condenser.

9. The circuit control system for an ice thickness controller of claim 1, wherein, The AC-AC converter is used to convert 220V voltage into 12V AC power, and the power module is used to convert the AC power into stable 5V DC power.

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