CN1694021A

CN1694021A - Conversion switch plate for refrigerator with microchip for ship

Info

Publication number: CN1694021A
Application number: CNA2004100903438A
Authority: CN
Inventors: 田相泰
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-11-05
Filing date: 2004-11-04
Publication date: 2005-11-09
Also published as: CN1694020A; CN1694019A; KR100450300B1; KR100450302B1; KR100450301B1

Abstract

The inventions provides an air conditioner switchboard panel 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. An air conditioner switchboard panel provided with a micro-chip for use in a ship includes an input/output printed circuit board(PCB), a main PCB, a switching and display PCB and a front panel. 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 output a compressor driving signal, a system on signal, a heater control signal, an error information signal and a capacitive control signal. 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 compressor 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 lamp is protruded from the front panel and a plurality of switches is installed on the front panel.

Description

Be built-in with the switchboard panel of the boats and ships of microchip with refrigeration machine

Technical field

The present invention relates to the switchboard panel of boats and ships with refrigeration machine, relate in particular to various devices and each controller that possesses control function and Presentation Function that constitute in parallel, and constitute the microchip that is built-in with the program that they are unified to control, thereby make the user not only a glance just can confirm whether device has unusually and be in which kind of running status, can also easily increase, reduce or alteration control unit, and then make switchboard panel not only convenient and can reduce the manpower loss in, can also reduce the size and the weight of panel, and with the switchboard panel of these boats and ships that are built-in with microchip that reduce cost with refrigeration machine.

Background technology

Boats and ships in the past constitute in the direct-connected mode of series circuit that directly is sent to an electronic contactor by the electric signal with a pushbutton switch (pushbutton switch) or sensor (sensor) with the control panel (panel) of refrigeration machine.

The formation of such series circuit has following problem: for each controller of a display of control, the various controllers that the user will have the required function use that on a panel (panel), is connected in series, therefore possesses multi-functional panel (panel) in order to make, each a plurality of controller and display need be installed on the panel and use, thereby when making panel, it is excessive that the size of panel can become, and gives and make, be provided with and transport and bring difficulty.

In addition, also there is following problem: move the connected mode of the controller of display separately owing to adopted, therefore will in controller, whether there be unusual situation to be presented at the display part that is formed on the panel as devices such as time display or galvanometer, like this, the user is in order to find failure cause, just must check successively the devices such as controller that are provided with, just can judge the reason place, thereby whether counter plate has fault or unusual affirmation and reconditioning work to become complicated more and time-consuming and reduces work efficiency, and, because under the situation that constitutes series connection of panel circuit, also there is not to form device with unified control function, therefore, be arranged in operation under the situation of various controllers of panel, the display that does not have relevant running status and failure cause, and in order to prevent because two kinds of controllers move simultaneously issuable fault and in order to improve other problems, must form different mutually controllers and form and confirm line so that can confirm operation at control period, thereby judge whether there is operation each other at controller, therefore the production process of panel becomes complicated, and glitch often takes place.

Summary of the invention

The present invention proposes in view of above problem, its purpose is to provide a kind of switchboard panel that is built-in with the boats and ships of microchip with refrigeration machine, promptly provide: formation in parallel has a kind of control ability of device and the various devices of display capabilities, with each controller, and setting is built-in with the microchip of the consolidator that they are unified to control and carries out overall control operation, and will be sent to each device via lead-out terminal by the content of control operation output, each running status of installing of operation like this is shown in L.E.D and the more than one display window that is arranged on panel, thereby makes the user a glance just can confirm whether to have the switchboard panel of the unusual boats and ships that are built-in with microchip with refrigeration machine.

It is a kind of aforesaid to each device formation that is connected in parallel that another object of the present invention is to provide, and control by the control program that is input to microchip, thereby the control gear of other devices or equipment need not be set, and the boats and ships that are built-in with microchip of interpolation, change, deletion that can carry out device easily are with the switchboard panel of refrigeration machine.

As above-mentioned be the present invention of purpose, be a kind ofly to possess ventilator and to comprising that the refrigerant cycle control is with solenoid valve and the switchboard panel that thaws and control with the refrigeration machine of well heater and compressor, it is characterized in that constituting: input and output PCB by following each several part, be furnished with signal that input transmits from the temperature sense sensor that is arranged on refrigerating chamber or reefer and from the control signal of each operating switch input, and a plurality of input ports of connection parallel with one another, and described control signal is transmitted an above output port of connection parallel with one another to compressor; Main PCB possesses the microchip that is built-in with the control program of compressor being controlled according to the signal of passing on via described input and output PCB; Switch and show PCB, with described main PCB in abutting connection with setting, and be provided with display window, a plurality of gauge tap and pilot lamp; And front panel, be arranged at described switch and the front that shows PCB, and outstanding described display window, a plurality of gauge tap and the pilot lamp of being provided with.

Description of drawings

Fig. 1 is the layout of the refrigeration machine panel according to the present invention.

Fig. 2 is the pie graph of the refrigeration machine panel according to the present invention.

Fig. 3 is the process flow diagram that is used to illustrate the process of the refrigeration machine of control cool room on refrigeration machine panel according to the present invention.

Fig. 4 is that expression possesses the figure according to the state of the refrigerator compressor of refrigeration machine panel of the present invention.

Among the figure: 100-front panel, 200-switch and demonstration PCB, 300-master and input and output PCB, 111-sets the switch that finishes, the on/off switch of 112-well heater, 113-configuration switch, the 114-switch that makes progress, the downward switch of 115-, 116-starting switch, 117-stops/restoring switch, the 121-power LED, 122-driving LED, 123-alarm LED, 124-well heater LED, 125-standby LED, the anti-driving LED again of 126-, 130-counts display window, 140-electric current display window, 310-signal input end mouth, 320-engine current signal input port, the 330-power supply is supplied with the machine signal input port, the 340-output port, the 500-microchip.

Embodiment

Below, with reference to accompanying drawing,, describe the embodiment that is built-in with the boats and ships of microchip with the switchboard panel of refrigeration machine of the present invention.

Fig. 1 is the layout of the refrigeration machine panel according to the present invention, Fig. 2 is the structural drawing of the refrigeration machine panel according to the present invention, Fig. 3 is the process flow diagram of process that is used to illustrate on refrigeration machine panel according to the present invention the refrigeration machine of control cool room, and Fig. 4 is that expression possesses the figure according to the compressor state of the refrigeration machine of refrigeration machine panel of the present invention.

As shown in the figure, the boats and ships that are built-in with microchip of the present invention are made of a plurality of PCB200～300 and front panel 100 with the switchboard panel of refrigeration machine.

At first, be provided with the boats and ships that are built-in with the boats and ships of microchip with the switchboard panel of refrigeration machine according to of the present invention, possess ventilator to refrigerating chamber and reefer circulate cold air.

In addition, refrigerating chamber and reefer inside also possess an above temperature sensor that is used to respond to internal temperature.

In addition, be arranged on the cooling fan of described refrigerating chamber, be provided with the temperature sensor that is used to respond to thaw point, possessing thaws uses well heater.

Below, possess as the boats and ships of above-mentioned refrigeration machine to being used in, according to the switchboard panel that is built-in with the boats and ships of microchip with refrigeration machine according to the present invention, describe.

According to the switchboard panel that is built-in with the boats and ships of microchip with refrigeration machine of the present invention, constitute by the front panel 100 that is exposed on the external, the switch that is arranged on described front panel 100 back sides and demonstration PCB200, master and input and output PCB300 with an above input/output port.

As shown in Figure 1, described front panel 100 is parts that are exposed at the front of panel, has exposed a plurality of LED121～126, switch 111～117 and display window 130,140, and in a side of each LED, switch and display window, as shown in the figure, be printed with the literal that is called for short the corresponding mechanism function.

Be provided with switch in the back of described front panel 100 and show PCB200, and between described front panel 100 and switch and demonstration PCB200, be provided with to form and make the various LED that are located at switch and show PCB200 and the aluminium sheet in the hole that switch projects to described front panel.

At the described aluminium sheet back side, be disposed with switch and show PCB200 and master and input and output PCB300.

Above-mentioned switch and demonstration PCB200 are the printed circuit board (PCB)s that is provided with described those switches and LED, and its central authorities are provided with display window 130,140.

One of the mechanism of the running status of mechanism is represented respectively to constitute in described a plurality of LED121～126th, is made of power LED 121, driving LED 122, alarm LED123, well heater LED124, standby LED125 and anti-driving LED 126 again.

Described power LED 121 is whether to be illustrated in the total system such as operation panel the outer pilot lamp that is added with power supply, is added with Chang Liang under the state of power supply outside; Described driving LED 122 is to be used to pass on the whether mechanism of driven information of compressor, Chang Liang during compressor is driven; Shown in alarm LED123 be as being used for the indicating mechanism that there is unusual information in mediation device, also whistling arrow alarm song.

Shown in the state of alarm LED123 operation, one or more situations in the following state have taken place in expression.

That is, during a certain or two or more state in when being in the hypertonia of compressor, during the generator excess current, when chilled water forces down, when oil-pressure shut-off switch is disconnected, will bright lamp.

Described well heater LED124 is used to represent whether well heater has the mechanism of power supply supply, if do not have power supply to heater fed, then lantern festival is extinguished.

Described standby LED125 is used to represent to finish whether the mechanism that the driving of compressor is prepared, only with its all normal situation of interconnective each mechanism under, just understand bright lamp.

Described anti-driving LED 126 is again being prevented driving time (anti-recycling time) again, that is, and and bright lamp during preparing the stipulated time that drives again.Above-mentioned anti-driving time again can at random be set on microchip described later by the user, and so anti-driving time again can constitute the feature of mechanism and sets based on each.

Described a plurality of switch 111～117 is used to restrict the power supply supply of refrigeration machine, be the switch of setting the required reference value of refrigeration machine control, and comprise the on/off switch 112 of setting finish switch 111, well heater, configuration switch 113, upwards switch 114, downwards switch 115, starting switch 116, stop/restoring switch 117 and constitute.

For the described setting switch 111 that finishes,,, setting value can be stored into microchip 500 described later by pushing it utilizing after each switch described later sets reference value based on the drive controlling of the refrigeration machine that comprises compressor.

The on/off switch 112 of described well heater is the well heater on/off switch that engine and crankcase (crankcase) are possessed, and opens this switch, and then heater starting and described well heater LED124 are lighted.

Described configuration switch 113 is to be used to set described reference value, the switch of each parameter (parameters) value of the benchmark of i.e. conduct driving refrigeration machine, after pushing this switch, each switch described later is operated and set reference value, and then push configuration switch 113, and push and set the switch (111) that finishes, finish reference value and set.

Described upwards switch 114 and downward switch 115 are the switches that are used to search reference value, after pushing described configuration switch 113, in display window, show the pattern that needs adjustment, then it is checked in the limit, the limit is by pushing upwards or downward switch 114,115 pattern that selection will be adjusted.

Described starting switch 116 is used to begin the switch of drive compression machine, pushes it, and then power supply supplies to compressor, the driving of beginning compressor.

Described stopping/restoring switch 117 not only plays a part the various control device that all stop each mechanism of formation refrigeration machines such as compressor and be used to control these mechanisms, can also carry out the effect of error resilient after the alarm and the reason of sounding all clear take place.

In addition, described switch and demonstration PCB200 possess data presentation window 130 and electric current display window 140.

Described display window 130 and electric current display window 140, can use aplhanumeric visual display (alphanumeric display) display text and numeral, described counting display window 130 shows corresponding modes when setting value described later changes, the time that the expression system is being driven in driving, and described electric current display window 140 shows the engine electric current.

From the setting value of described each switch input and the control signal of importing from each switch, be stored in the microchip 500 that is arranged on main and the input and output PCB300, and after this refrigeration machine driven.

Described master and input and output PCB300 comprise a microchip 500 and constitute to possess a plurality of input ports 310～330 and output port 340, and by the signal from each input port input, with process described later, the driving of control refrigeration machine.

Described microchip 500 is provided with the refrigeration machine control program.

Described a plurality of input port 310～330 comprises: input is supplied with machine signal input port 330 from the numerical signal input port 310 of the induced signal of the control sensor of each compressor and the control signal of microchip etc., the engine current signal input port 320 of importing the current signal of refrigeration machine engine, input from the power supply of the signal of power supply supply machine induction, and output port 340 plays a part and will be sent to each connector or driving mechanism from the control signal that microchip 500 transmits.

The described refrigeration machine control program that is arranged on described microchip 500 is controlled refrigeration machine by following mode.

At first, it is as follows to adjust the method for setting value of described refrigerating chamber control program.

Push and stop/restoring switch, interrupt supplying with to power of compressor.

At this moment, the power supply of control panel is in the state of adding.

Push configuration switch, then show corresponding modes on the electric current display window 140.

Electric current display window 140 is checked on the limit, push upwards or downward switch 114,115 on the limit, select after the pattern of desire adjustment, push configuration switch 113 once more, then the value of the pattern of Xuan Zeing can be presented at counting display window 130, and at this moment, this value is checked on the limit, push upwards or downward switch 114,115 on the limit, the setting value of preference pattern.

Select to push configuration switch 113 once more after the setting value of corresponding modes, push again and set the switch 111 that finishes.

Push and set the switch 111 that finishes, disconnect after the power supply that panel is supplied with, connect, the setting value of the corresponding modes of then setting previously is stored into microchip 500 immediately.

As mentioned above, adjustment is stored in the microchip 500 as previously mentioned based on the setting value of the various patterns of control or the reference value of having set, and control by the refrigeration machine control program that is arranged at microchip 500, but, in the needs reference value, reference value of having set or the setting value of adjusting are again brought into play the effect of this reference value.

Below, to according to an embodiment who is provided with the process that the refrigeration machine control program in described microchip 500 drives, describe.

At first as mentioned above, need close from the input port of remote controllers input and the input port of input fuel injection pressure signal, open the input port of input simultaneously, so that be in the driven normal condition of compressor (1.) from the signal of pre-preparation controller and engine overload relay.

Under the driven state of compressor (3.), the low-pressure port of compressor and cooling water pressure signal input port and compressor high-voltage end mouth all are in closing state, and on the contrary, under the state (4.) that compressor stops, the some states of opening (open) that is in the low-pressure port of compressor and cooling water pressure signal input port and the compressor high-voltage end mouth.

For the drive compression machine, make ventilator be in the driven state of energy, and compressor to be kept described normal condition (1.).

Like this, begin to drive in case constitute the drive condition of compressor, then compressor is driven, if continue the driving condition of induced compression machine this moment, the affirmation compressor is kept normal condition (1.), then can continue to be driven.

As mentioned above, in the driving process of compressor, in case import new drive control signal by the user, then compressor drives according to new control signal, if the driving of compressor is in abnomal condition, then compressor quits work, and the external signal that is used for driven compressor is disconnected, and signal gives the alarm.

At this moment, anti-driving LED 126 again and standby LED125 are lighted, and the user makes an inventory of the compressor state.

During making an inventory of, can not only respond to whether run out of the anti-driving time again that is arranged on microchip 500, can also whether reset into normal condition (1.) by the induced compression machine.

After compressor resets into normal condition (1.), user's started by press button, then through after the anti-driving time again, compressor drives again.

Aforesaid the present invention has following beneficial effect: the running status of controller that is formed at the various devices of constitution equipment, input and output PCB by the parallel connection formation, be directly inputted to microchip, and after the computing operation, the current state of device can be shown in LED or display window, therefore the user can understand the running status of device at an easy rate, in addition, aspect the reason that is out of order of the device of understanding constitution equipment, also can check by the stage along the circuit that series connection constitutes, and can by the switching motherboard of microchip input originally on one's body, confirm accurately by indication mechanism or alarm, easily find the reason that is out of order, thereby can shorten the reconditioning work time, improve efficiency of operation, even in the increase of carrying out device, when change or deletion, also can not increase new controller or display part, but by input/output port being connected to the input terminal of microchip, externally change the content of consolidator in the microchip more simply, and then can be because of the increase of controller, delete and change and make new panel or set up controller, therefore can bring the convenience of manufacturing operation of the panel of indication equipment state, simultaneously because the minimizing of the size of panel and weight and can effectively reduce the weight of boats and ships.

Claims

1. boats and ships that are built-in with microchip are with the switchboard panel of refrigeration machine, be to possess ventilator and, it is characterized in that also comprising following each several part and constitute comprising refrigerant cycle control with solenoid valve and the switchboard panel that thaws and control with the refrigeration machine of well heater and compressor:

Input and output PCB, have signal that input transmits from the temperature sense sensor that is arranged on refrigerating chamber or reefer and from the control signal of each operating switch input, and a plurality of input ports of connection parallel with one another, and with described control signal to the compressor transmission, an and above output port of connection parallel with one another;

Main PCB possesses the microchip that is built-in with the control program of compressor being controlled according to the signal that transmits via described input and output PCB;

Switch and show PCB, with described main PCB in abutting connection with setting, and be provided with display window, a plurality of gauge tap and pilot lamp; With

Front panel is arranged at described switch and the front that shows PCB, and outstanding described display window, a plurality of gauge tap and the pilot lamp of being provided with.

2. the switchboard panel that is built-in with the boats and ships of microchip with refrigeration machine according to claim 1 is characterized in that:

Be located in the microchip of described main PCB, be provided with the refrigeration machine control program, and described refrigeration machine control program be made of following each mechanism, promptly by:

Based on signal, check whether compressor is in the state that can drive, and check the mechanism of the standby condition of external mechanical from inputs such as each sensors;

Be judged as the possible state that drives, then to the compressor supply power and the drive compression machine, and the mechanism of lasting induced compression machine driving condition;

Input compressor wrong status information, then anti-driving LED again and standby LED are lighted, and show the mechanism of error message and standby at display window;

Standby limit, limit continues the mechanism whether the induced compression machine is in normal condition;

When compressor is in normal condition, then judge whether to have passed through anti-driving time again, if passed through anti-driving time again this moment then drive compression machine again, the mechanism of extinguishing each LED that above quilt lights constitutes.

3. according to claim 1 or the 2 described switchboard panels that are built-in with the boats and ships of microchip with refrigeration machine, it is characterized in that:

Be formed in described switch and show that a plurality of switches of PCB comprise:

After the reference value of setting based on the drive controlling of the refrigeration machine that comprises compressor, by pushing it, the setting of the microchip that setting value the is stored into switch that finishes;

The well heater that engine and crankcase are possessed carries out the well heater on/off switch of on;

Be used to set configuration switch as each parameter value of the benchmark that drives refrigeration machine;

Be used for being chosen in the switch up and down of the pattern that needs that display window shows adjust;

Be used to begin the starting switch of drive compression machine; With

Stop/restoring switch, it not only plays a part the various control device that all stop each mechanism of formation refrigeration machines such as compressor and be used to control these mechanisms, also plays after the alarm and the reason of sounding all clear take place the error resilient effect;

And,

Described display window is represented corresponding modes when setting value changes, and represents the time of system drive when driving, and comprises the electric current display window that carries out the wrong digital displaying window that shows and show the engine electric current,

Described pilot lamp comprises: whether be illustrated in the total system such as operation panel the outer power LED that is added with power supply; Whether be used to pass on the driving LED of driven information; Be used for the alarm LED that there is unusual information in mediation device; Be used to represent whether well heater has the well heater LED of power supply supply; Be used to represent to finish whether the standby LED that the driving of compressor is prepared; Being used to represent current is the anti-driving LED again of anti-driving time again.

4. according to claim 1 or the 2 described switchboard panels that are built-in with the boats and ships of microchip with refrigeration machine, it is characterized in that:

Described display window is all can display text and digital aplhanumeric visual display.

5. the switchboard panel that is built-in with the boats and ships of microchip with refrigeration machine according to claim 3 is characterized in that:

6. the switchboard panel that is built-in with the boats and ships of microchip with refrigeration machine according to claim 2 is characterized in that:

Described compressor can driven state be to cut out from the input port of remote controllers input and the input port of input fuel injection pressure signal, and opens the input port of input from the signal of pre-preparation controller and engine overload relay.

7. the switchboard panel that is built-in with the boats and ships of microchip with refrigeration machine according to claim 2 is characterized in that:

The error condition of described compressor is: close the some ports the input port of input port from remote controllers inputs, input fuel injection pressure signal, and close input from the some ports in the input port of the signal of pre-preparation controller and engine overload relay.

8. the switchboard panel that is built-in with the boats and ships of microchip with refrigeration machine according to claim 2 is characterized in that:

The induction mechanism of the driving condition of the described compressor of sustainable induction, low-pressure port by sensing compressor and cooling water pressure signal input port and compressor high-voltage end mouth all are in closed condition, the driving condition of induced compression machine.