KR100450300B1 - provision refrigeration plant fan switchboard panel for ship - Google Patents

Abstract

PURPOSE: A ventilation fan switchboard panel provided with a micro-chip for use in a ship is provided to easily detect the cause of the failure by directly checking it through the micro-chip. CONSTITUTION: A ventilation fan switchboard panel provided with a micro-chip for use in a ship includes an input/output printed circuit board(PCB)(400), a main PCB(300), a switching and display PCB(200) and a front panel(100). The input/output PCB is provided with a plurality of input ports connected to each other in parallel and at least one output port to transmit the control signal to the ventilation fan. The signal transmitted from the temperature detection sensor installed refrigerating room and the control signal are inputted to the input ports. The main PCB is provided with the micro-chip to set the control program for controlling the ventilation fan in response to the signal transmitted through the input/output ports. The switching and display PCB is installed adjacent to the main PCB and provided with a display window, a plurality of control switch and a lamp. The front panel is installed on the front surface of the aluminum plate and provided with a display window, a plurality of control switches. And, the front panel displays the corresponding lamp and switching function.

Description

Provisional refrigeration plant fan switchboard panel for ship with microchip

The present invention relates to a ship ventilator switchboard panel with a built-in microchip, and more specifically, to the various types of devices having a control function and a display function, and an integrated program for configuring and integrating each controller in parallel. The built-in microchip allows the user to easily check the abnormality and operation status of the equipment at a glance, as well as to add, delete and change new controllers. The present invention relates to a marine ventilator switchboard panel with a microchip that can reduce the cost and reduce the size and weight of the panel.

Existing ship ventilator control panel (panel) is composed of a direct connection of a push button switch (switch) or a sensor (sensor) by a series circuit directly transmitted to a magnetic contactor.

The configuration of the series circuit is to connect the various controllers to one panel in series so that each controller that controls one indicator to meet the functions required by the user is a panel having a multifunction ( In order to manufacture a panel, many controllers and indicators are attached to the panel, and thus, the size of the panel is enlarged when the panel is manufactured, which makes it difficult to manufacture, install, and transport.

In addition, it is connected to the controller that operates each indicator, and it displays the abnormality of the device such as the time display and temperature indicator among the controllers on the display panel that forms the panel. It is necessary to check the sequential order to determine the cause, so it is complicated and time-consuming to check or repair the panel's failure and abnormality, which reduces the work efficiency. As there is no device with control function, there are no indicators of operation status and cause of failure in operating various types of controllers installed on the panel. Compensation for failure prevention and other problems that can occur due to simultaneous operation of both controllers Recognize operation between different controllers and control periods Since a check line must be formed to determine whether the controllers are operated, the manufacturing process of the panel is complicated, and there is a problem that frequently causes a trouble.

The present invention has been made in order to solve the above problems, it is possible to configure a plurality of devices having a control function and a display function for each device in parallel with each other, and integrated controller that can integrate and control them The microchip can be installed in a batch control operation, and the output of the control operation can be transmitted to each device through the output terminal, and the operation status of each device operated by the LED is displayed on the panel. It is an object of the present invention to provide a ship ventilator switchboard panel with a microchip that enables a user to check whether there is an abnormality in a device by displaying it on a window.

Furthermore, the present invention is configured to connect each device in parallel as described above, and to be able to control through a control program pre-input to the microchip, thereby adding new devices without resetting the control means of other devices or equipment. And to provide a ship ventilator switchboard panel for ships with a microchip that can be easily changed and deleted.

1 is a layout view of a fan panel according to the present invention,

2 is a configuration diagram of a fan panel according to the present invention,

3 is a flow chart for explaining a fan control process of the freezer compartment in the fan panel according to the present invention,

4 is a flow chart for explaining a fan control process of the refrigerating compartment in the fan panel according to the present invention.

* Description of symbols on the main parts of the drawings *

100: front panel 200: switch and display PCB

300: main PCB 400: input and output PCB

113: on / off switch 114: up switch

115: down switch 116: conversion switch

117: setting switch

121: TEMP.1 LED 122: TEMP.2 LED 123: Time LED

124: ventilator LED 125: solenoid valve LED 126: defrost LED

127: alarm LED 128: ventilator switch LED 129: manual defrost LED

130: display window 310: communication port

411: cooling temperature signal input port

412: Defrost temperature signal input port 413: Digital signal input port

414: power input port 415: output port

500: microchip

The present invention having the above object is provided with a cooling device including a solenoid valve and a defrost heater in a cooler having a compressor and a refrigerant pipe, and air in a freezing compartment or a refrigerating compartment in which a cooling gas generated from the cooling apparatus is installed in a ship. A switch board panel for controlling a ventilator for circulating the air, comprising: a plurality of input ports connected in parallel with each other, in which signals transmitted from a temperature sensing sensor installed in a freezer compartment or a refrigerator compartment and control signals input from each operation switch are input and connected in parallel with each other; An input / output PCB which transmits a signal to a fan and has at least one output port connected in parallel with each other; A main PCB having a microchip set with a control program controlling a fan according to a signal transmitted through the input / output port; A switching and display PCB installed adjacent to the main PCB and provided with a display window, a plurality of control switches and lamps; It is made by a ship ventilator switchboard panel with a built-in microchip, characterized in that the display window, a plurality of control switches and lamps, which are installed on a switching and display PCB, consists of a protruding front plate.

Hereinafter, with reference to the accompanying drawings, an example of a ship ventilator switchboard panel with a microchip according to the present invention will be described in detail.

1 is a layout view of a fan panel according to the present invention, Figure 2 is a configuration diagram of a fan panel according to the present invention, Figure 3 is a flow chart for explaining a fan control process of the freezer compartment in the fan panel according to the invention, 4 is a flowchart illustrating a process for controlling the ventilator of the refrigerating compartment in the ventilator panel according to the present invention.

As shown in the drawings, the ship ventilator switchboard panel having a microchip according to the present invention includes a plurality of PCBs and supporting plates.

First, a ship using a ship ventilator switchboard panel with a microchip according to the present invention is provided with a freezing compartment and a refrigerating compartment, and provided with a refrigerating device for supplying cold air to the freezing compartment and the refrigerating compartment. A compressor for compressing the refrigerant, a solenoid valve provided in the refrigerant circulation pipe, and a defrost heater are provided.

In addition, the freezer compartment and the refrigerating compartment are equipped with one or more temperature sensors for sensing the internal temperature.

Furthermore, the cooling fan installed in the freezer compartment is provided with a temperature sensor for detecting the defrost temperature.

Next, a ship ventilator switchboard panel for a ship equipped with the microchip according to the present invention, which is used in a ship having a refrigerating device as described above.

Marine ventilator switchboard panel with a built-in microchip according to the present invention is a front panel 100 exposed to the outside, the switching and display PCB 200, the main PCB 300 and one installed on the back of the front plate 100 It consists of the input-output PCB 400 which has the above-mentioned input / output port.

The front panel 100 is a portion exposed to the front of the panel, as shown in FIG. 1, the plurality of LEDs 121 to 129, the switches 113 to 117, and the display window 130 are exposed. .

The plurality of LEDs 121 to 129 are one of means for indicating an operating state of each constituent means, and the TEMP.1 LED 121 indicates an operating state of temperature sensors installed in each room, that is, a freezing compartment or a cooling compartment. Lamp, TEMP.2 LED 122 indicates the operating state of the temperature sensor installed in the defrosting device, time LED 123 indicates the driving time of the ventilator, ventilator LED 124 indicates that the ventilator is running The sole valve LED 125 indicates an open state of the sole valve.

In addition, the defrost LED 126 indicates that the defrosting device is running, the alarm LED 127 is a display means for notifying the abnormality of the fan and each device used for driving them, that is, the abnormality of the temperature and the overload of the motor, the fan switch LED 128 indicates that the fan switch is in operation, and manual defrost LED 129 indicates that the manual defrost switch is in operation.

The plurality of switches 113 to 117 are switches for controlling the power supplied to the fan and setting a reference value required for controlling the fan. An on / off switch 113 for operating the fan and the display are provided. A conversion switch 116 for changing a value displayed on a window, a setting switch 117 for setting a fan driving condition, an up switch 114 for selecting a desired display value after the operation of the conversion switch 116, and It includes a down switch 115 to select a desired display value after the operation of the conversion switch 116 and to operate simultaneously with the setting switch 117 to perform defrosting.

The switching and display PCB 200 installed behind the front plate 100 is provided with an aluminum plate formed with holes so that various LEDs and switches installed on the plurality of switches and the display PCB 200 may protrude to the front plate.

On the back of the aluminum plate, the switching and display PCB 200, the main PCB 300, and the input / output PCS 400 are sequentially installed.

The switching and display PCB 200 is a printed circuit board on which the switches and LEDs are installed, and a display window 130 is installed at the center thereof.

In addition, the switching and display PCB 200 is provided with a plurality of communication ports 310 may be connected in parallel with one or more freezer and refrigerator compartment.

The input / output PCB 400 includes a plurality of input ports 411 to 414 and a plurality of output ports 415.

The input ports 411 to 414 are input ports 411 and 412 to which sensing temperature signals input from temperature sensing sensors of each of the freezing and refrigerating chambers are input, and an overload signal or a compressor driving signal of a fan motor is input. And a digital signal input port 413 and a power input port 414 to which power is input.

The main PCB 300 includes one microchip 500, and controls the driving of the fan in a process described below according to signals input from the respective input ports.

The fan control program preset in the microchip 500 includes a refrigerator compartment control program and a freezer compartment control program.

The freezer control program may include means for determining whether a temperature sensing signal and a preset control signal transmitted from a space where a fan is installed when the on / off switch protruding from the front panel of the panel is pressed and the fan is driven; ; Means for activating the corresponding alarm when the input signal is abnormal and stopping the fan, and determining whether the compressor is driven or stopped from the drive signal input from the compressor of the cooler if the input signal is normally input; Means for informing a user to operate the cooler operation panel when the compressor is stopped, and for detecting time when the compressor is normally driven or in a standby state; Means for comparing the detected temperature transmitted from the sensor of the corresponding space where the fan is installed with the set temperature if the detected time is a cooling time;

If the sensing temperature is lower than the set temperature, the solenoid valve for controlling the flow of the refrigerant is turned off. If the sensing temperature is higher than the set temperature, the solenoid valve for regulating the flow of the refrigerant is turned on and the above means are repeatedly performed. If the detected time at is the defrost time, compare the surface temperature of the cooling fan input from the temperature sensor installed in the space with the set temperature, and if the detected temperature is lower than the set temperature, turn on the heater. It is then made to repeat the above means.

In addition, the refrigerator control program determines whether the temperature detection signal and the preset control signal transmitted from the space where the fan is installed are normally input when the on / off switch protruding from the front panel of the panel is pressed. Means; Means for activating the corresponding alarm when the input signal is abnormal and stopping the fan, and determining whether the compressor is driven or stopped from the drive signal input from the compressor of the cooler if the input signal is normally input; Means for informing a user to operate the cooler operation panel when the compressor is stopped, and driving the fan when the compressor is normally driven or in a standby state and detecting time; Means for comparing the detected temperature transmitted from the sensor of the corresponding space where the fan is installed with the set temperature if the detected time is a cooling time; If the sensing temperature is less than the set temperature, the solenoid valve for regulating the flow of the refrigerant is turned off. If the sensing temperature is more than the set temperature, the solenoid valve for regulating the flow of the refrigerant is turned on, and the above means are repeated.

The ventilator switch board of the ship using the microchip configured as described above is normally displayed the temperature of the freezer compartment or the refrigerating compartment on the display window 130 of the front panel, other information such as the temperature and time of the cooling fan on the display window 130 In order to be displayed, after pressing the conversion switch 116, the corresponding LED is turned on and pressing the conversion switch 116, the corresponding telegram is displayed on the display window 130.

As described above, the time or temperature required for driving the fan may be set in advance in the microchip 500. To change this setting, the setting switch 117 is pressed, and then the conversion switch 116 is pressed. With 116 pressed, press the up and down switches 114 and 115 to select the setting value to be adjusted, and then press the changeover switch 116 again.

As such, when the conversion switch 116 is pressed, the setting value can be adjusted, and the up and down switches 114 and 115 are pressed again to input the setting value.

When the corresponding setting value is input, the conversion switch 116 is pressed again, then the setting switch 117 is pressed, the power input to the panel is turned off and then turned on again, and the previously set value is stored in the microchip 500. The fan is controlled based on the set value.

The present invention as described above, the operation state of the controller formed in the various devices constituting the equipment is directly input to the microchip through the input and output PCB configured in parallel so that the current state of the device after the operation operation appears on the LED or display window It is easy to know the operation status of the equipment that you want to use, and also to identify the cause of the failure of the device constituting the equipment. It is easy to find the cause of the problem by checking through the system, which shortens the time for troubleshooting and improves the efficiency of the work, and does not form a new controller or display unit even if new equipment is added, changed or deleted. Connect the input / output port to the input terminal of the microchip and The contents of the integrated program of the chip can be easily changed from the outside, so the panel can be easily checked and the panel production work can be performed by making new panels or not installing additional controllers due to the addition or deletion of controllers. The reduction in size and weight has the effect of reducing the weight of the ship.

Claims (6)

A cooler having a compressor and a cooler including a solenoid valve and a defrost heater in a coolant pipe, and a switch board for controlling a fan for circulating air in a freezing compartment or a refrigerating compartment installed in the ship. In the panel, A signal input from a temperature sensing sensor installed in a freezer compartment or a refrigerating compartment and a control signal input from each operation switch are input and connected in parallel to each other, and one or more outputs which transmit the control signal to a fan and are connected in parallel to each other. I / O PCB with port A main PCB having a microchip set with a control program for controlling a fan according to a signal transmitted through an input / output port of the input / output PCB; A display window installed adjacent to the main PCB and provided with a display window for displaying a driving state or a driving error, and a plurality of control switches and lamps; And a front panel of the aluminum plate, wherein the display window, a plurality of control switches and lamps protrude, and a front plate on which the lamp and the switch function are displayed. According to claim 1, wherein the microchip installed on the main PCB is provided with a refrigerator control program and a freezer control program, The freezer control program may include means for determining whether a temperature sensing signal and a preset control signal transmitted from a space where a fan is installed when the on / off switch protruding from the front panel of the panel is pressed and the fan is driven; ; If the input signal is abnormal, activate the corresponding alarm, stop the fan, display an error on the display window, and if the input signal is normally input, determine whether the compressor is running or stopped from the drive signal input from the compressor of the cooler. Means; Means for informing a user to operate the cooler operation panel when the compressor is stopped, and for detecting time when the compressor is normally driven or in a standby state; Means for comparing the detected temperature transmitted from the sensor of the corresponding space where the fan is installed with the set temperature if the detected time is a cooling time; If the sensing temperature is lower than the set temperature, turn off the solenoid valve for regulating the flow of refrigerant; if the sensing temperature is higher than the set temperature, turn on the solenoid valve for regulating the flow of refrigerant and repeat the above means. If the time detected by the time sensing means is a defrost time, the surface temperature of the cooling fan input from the temperature sensor installed in the space is compared with the set temperature, and if the detected temperature is below the set temperature, the heater is turned on, and if it is abnormal After the heater is turned off to repeat the above means, The refrigerator control program may include means for determining whether a temperature sensing signal and a preset control signal transmitted from a space where a fan is installed when the on / off switch protruding from the front panel of the panel is pressed and the fan is driven; ; If the input signal is abnormal, activate the corresponding alarm, stop the fan, display an error on the display window, and if the input signal is normally input, determine whether the compressor is running or stopped from the drive signal input from the compressor of the cooler. Means; Means for informing a user to operate the cooler operation panel when the compressor is stopped, and driving the fan when the compressor is normally driven or in a standby state and detecting time; Means for comparing the detected temperature transmitted from the sensor of the corresponding space where the fan is installed with the set temperature if the detected time is a cooling time; When the sensing temperature is less than the set temperature, the solenoid valve for regulating the flow of the refrigerant is turned off, and if the sensing temperature is above the set temperature, the solenoid valve for regulating the flow of the refrigerant is turned on and the above means are repeated. Marine ventilator switchboard panel with integrated microchip. According to claim 1 or 2, wherein the plurality of control switches configured in the switching and display PCB includes an on / off switch to control the power supplied to the ventilator, a conversion switch for changing the value displayed on the display window, a ventilator A setting switch for setting a driving condition, a down switch for selecting a desired display value after operation of the conversion switch, and an up switch for selecting a desired display value after operation of the conversion switch and operating simultaneously with the setting switch to perform defrosting Including, The plurality of lamps are TEMP.1 LED indicating the operating state of the temperature sensor installed in the freezing compartment or the cooling chamber, TEMP.2 LED indicating the operating state of the temperature sensor installed in the defrosting device, and time LED indicating the driving time of the ventilator. And a fan LED indicating that the fan is driven, a solenoid valve LED indicating the open state of the solenoid valve, a defrost LED indicating that the defrosting device is being driven, a fan and an abnormality of each device used for driving the fan. A shipboard ventilator switchboard panel with a microchip, comprising: an alarm alarm LED, a fan switch LED indicating that the fan switch is operating, and a manual defrost LED indicating that the manual defrost switch is in operation. The ship ventilator switchboard panel according to claim 1 or 2, wherein the display window is an alphanumeric display capable of displaying both letters and numbers. The ship fan panel of claim 3, wherein the display window is an alphanumeric display capable of displaying both letters and numbers. The ship of claim 1 or 2, wherein an error code corresponding to an error of each device is set in a microchip installed on the main PCB, and the error code is displayed on a display window when an error occurs. Ventilator switchboard panel.