CN103698146A - Reliability test detection system for general refrigerator - Google Patents
Reliability test detection system for general refrigerator Download PDFInfo
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- CN103698146A CN103698146A CN201310687438.7A CN201310687438A CN103698146A CN 103698146 A CN103698146 A CN 103698146A CN 201310687438 A CN201310687438 A CN 201310687438A CN 103698146 A CN103698146 A CN 103698146A
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Abstract
The invention provides a reliability test detection system for a general refrigerator. The reliability test detection system is characterized by comprising an upper computer and a detection box, wherein the detection box is in communication connection with the upper computer, and is used for receiving a command and a data request, sent by the upper computer, acquiring corresponding data of a refrigerator control panel or performing corresponding input on the refrigerator control panel, and sending the acquired relevant data of the refrigerator control panel to the upper computer; the upper computer sends the command and the data request to the detection box according to monitoring options input by a user, receives the data sent by the detection box, processes the data and then displays the data on a human-computer interaction interface. According to the reliability test detection system for the general refrigerator, through computer monitoring, the refrigerator control panel and a compressor driving plate are controlled in familiar modes of pressing a switch button, giving a numerical value and the like. The working condition of the refrigerator is monitored through a virtual oscilloscope, a numerical value output unit, an indicator lamp and the like, so that faults can be found in real time quickly, accurately and visually.
Description
Technical field
The present invention relates to detection field, relate in particular to a kind of all-purpose refrigerator fail-test detection system.
Background technology
When existing refrigerator carries out fail-test, its detection method mainly relies on the instruments such as temperature sensor, oscillograph, multimeter to detect, the refrigerating speed of refrigerator is slow, fail-test need to be very long test period, and detect and can not quick and precisely judge fault happening part in order to upper method, fault detect efficiency is low, expense is high, need to spend a large amount of manpower and materials, is difficult to meet quick, time saving and energy saving requirement.Or be to utilize detection case test, this detection case measuring ability is less, operability and universal poor, detects not intuitively, is difficult to meet refrigerator fail-test testing requirement.
Summary of the invention
For addressing the above problem, the invention provides a kind of all-purpose refrigerator fail-test detection system, it is characterized in that, comprise host computer, with the detection case of host computer communication connection;
Order and request of data that described detection case sends for gathering host computer, do corresponding input to refrigerator control panel, gathers the data of corresponding refrigerator control panel, and the refrigerator control panel related data collecting is sent to host computer;
Described host computer, according to the monitoring option of user's input, sends order and request of data to described detection case, receives the data that described detection case sends, and shows after treatment at human-computer interaction interface.
Concrete, described detection case comprises:
MCU, receives the instruction of host computer and the information of collection is uploaded to host computer, executing data capture program and serial communication programmer.
Voltage collection circuit, after receiving the voltage acquisition order that host computer sends, the voltage channel of voltage collection circuit gating order request, and the voltage collecting is processed and uploaded to host computer through MCU;
Square wave circuit for generating, after receiving the waveform generation instruction that host computer sends, produces a square-wave signal and is defeated by refrigerator control panel and pulse shape;
Pulse shape, uploads to host computer by the waveform of the compressor waveform of refrigerator control panel output and the generation of square wave circuit for generating;
Pulse valve testing circuit, receives the state of the pulse valve of exporting on refrigerator control panel and uploads to host computer;
Temperature Treatment circuit, after receiving the temperature instruction that host computer sends, is input to refrigerator control panel after treatment, with this, controls residing temperature regime in refrigerator work;
Gate control circuit, after receiving the chamber door open-close order that host computer sends, is input to refrigerator control panel, after treatment with this analog gate switch state signal;
Usb hub, for being connected host computer with MCU, waveform acquisition device.
Concrete, described MCU is responsible for processing dependent instruction and the data inputted by host computer, after processing, by square wave circuit for generating and/or voltage collection circuit and/or Temperature Treatment circuit and/or gate control circuit and/or pulse valve testing circuit, refrigerator control panel is driven or signals collecting.
Concrete, it is that 20HZ is to the square-wave signal of 200HZ that described square wave circuit for generating produces frequency range.
Concrete, described host computer human-computer interaction interface is provided with communications setting tab, monitoring interface tab, square-wave signal generation Interface Options card, voltage parameter adjustment Interface Options card; Wherein,
Communications setting interface, for setting up the communication connection with detection case;
There is interface in square-wave signal, for inputting the frequency that generates waveform, is transferred to square wave circuit for generating, and gather the waveform that shows the output of square wave circuit for generating.
Monitoring interface comprises
Voltage status monitored area, N road, for voltage item and the number of selecting to gather, and shows monitoring result;
N organizes air door working state monitoring region, for choosing, gathers item and gathers number, shows the open and-shut mode of corresponding air door;
N organizes transfer valve status indicator lamp region, for choosing, gathers item and gathers number, shows the open and-shut mode of corresponding transfer valve;
Gate control switch region, refrigerator chamber, N road, for sending the open and close controlling order of each refrigerator chamber door;
Temperature input area is controlled on N road, for input temp value, reaches the object of controlling refrigerator work temperature;
Compressor waveform acquisition and viewing area, for the compressor waveform collecting is shown to computer monitor interface in real time, resolves and demonstrate waveform frequency simultaneously.
Concrete, in voltage status pilot lamp region, N road, the corresponding four state alarm lamps of every road voltage.Voltage Xiang Wei chooses, and alarm lamp is black, and no-voltage value shows; Collection voltage is normal, and alarm lamp is green, shows magnitude of voltage; Gather voltage and surpass the working range of controlling specification requirement, alarm lamp is red, shows magnitude of voltage; Voltage item is chosen but is not collected voltage, and pilot lamp is yellow, and no-voltage value shows.
Concrete, N group air door working station indicator region, each option of N group transfer valve status indicator lamp region all arrange pilot lamp, when situation is normal described in pilot lamp be green, otherwise be black.
Concrete, refrigerator chamber gate control switch sections in N road is controlled the open and close state of refrigerator chamber door by action button.
Concrete, temperature importation is controlled on N road, the temperature value of input is transferred to the Temperature Treatment circuit of refrigerator control panel, reaches the object of controlling refrigerator temperature.
Concrete, described host computer human-computer interaction interface is also provided with voltage parameter and adjusts Interface Options card, for realizing the real time modifying of N road voltage calibration parameter.
Concrete, the terminals of detection case adopt connected mode that can plug, and its numbering is numbered corresponding one by one with ipc monitor interface detection.
Beneficial effect of the present invention is:
The present invention adopts computer monitor, by modes such as the familiar shift knob of people, given numerical value, controls refrigerator control panel and driven compressor plate, by the working condition of the monitoring refrigerators such as virtual oscilloscope, numerical value output, pilot lamp.For increasing the universality of system, computer monitor interface becomes installation procedure, can on any computer, install and use; The system integration detection of air-cooled and two kinds of refrigeration modes refrigerators of direct-cooling type, each detection leaves reserved, convenient expansion, in process of the test, by applying fictitious load and analog input, make refrigerator can reach fast the required operating mode of test, all collection items all upload to computer monitor interface in real time by the mode of scan round, discovery fault that can be quick, accurate, directly perceived, real-time.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of native system.
Specific embodiments
Problem to be solved by this invention is in refrigerator fail-test, and a kind of detection system of fast detecting refrigerator reliability simple to operate, accurate is provided.
Described detection system comprise host computer, with the detection case of host computer communication connection.
Described detection case is connected with refrigerator control panel with host computer, the order and the request of data that for gathering host computer, send, gather the data of corresponding refrigerator control panel or refrigerator control panel is done to corresponding input, and the refrigerator control panel related data collecting is sent to host computer.Wherein, mainly realize control, refrigerator control panel output voltage and the signal of refrigerator control panel, driven compressor plate conversion collection, compressor waveform processing, with the function such as ipc monitor interface communications.
Described host computer, according to the monitoring option of user's input, sends order and request of data to described detection case, receives the data that described detection case sends, and shows and passes through after treatment at human-computer interaction interface.Wherein, main output voltage, compressor operating waveform and frequency, the air door/valve working state of realizing monitoring refrigerator control panel, whether comparison refrigerator is controlled specifications, can judge refrigerator each several part and break down.
The method of work of native system is by the trigger condition (refrigerator temperature, refrigerator chamber door switch) of required input in the routine work of simulation refrigerator control panel, thereby whether Monitoring and Controlling plate output voltage and output signal (compressor waveform, air door/valve state) be normal.Wherein output voltage comprises blower voltage, the precious voltage of sterilization, anti-condensation white heater voltage, uviol lamp voltage etc.
Below system is elaborated.
One. host computer
Described host computer operation monitoring program, carries out interaction by human-computer interaction interface and operating personnel.This watchdog routine is packaged into installation procedure, can on any host computer, install and use, portable strong.Ipc monitor interface simple to operation, intuitively monitors refrigerator accurately by the familiar button of people, pilot lamp, numerical value demonstration/input, virtual oscilloscope etc.This human-computer interaction interface comprises four tab, is respectively monitoring interface tab, communications setting tab, square-wave signal generation Interface Options card, voltage parameter adjustment Interface Options card.In operating process, handoff options card, completes Detection of content as required.
Below the respective option card is described in detail.
A. monitoring interface
Monitoring interface is divided into some regions, is respectively voltage status pilot lamp region, N road, N group air door working station indicator region, N group transfer valve status indicator lamp region, gate control switch region, refrigerator chamber, N road, N road control temperature input area, compressor waveform acquisition and viewing area.Explanation respectively below.
Voltage status pilot lamp region, N road: can choose the voltage item and the number that need collection, the corresponding four state alarm lamps of every road voltage.Voltage Xiang Wei chooses, and alarm lamp is black, and no-voltage value shows; Collection voltage is normal, and alarm lamp is green, shows magnitude of voltage; Gather voltage and surpass the working range of controlling specification requirement, alarm lamp is red, shows magnitude of voltage; Voltage item is chosen but is not collected voltage, and pilot lamp is yellow, and no-voltage value shows.N road voltage can be stored by generating report forms, and form is preserved the magnitude of voltage that collects host computer according to time sequencing.
It should be noted that, every road voltage has revisable remarks explanation and unique numbering, and voltage acquisition number leaves surplus, in process of the test, can increase and decrease as the case may be monitoring number.The preferred N of the present embodiment is 24.Voltage accuracy is different, and wherein, alternating current 220V voltage is accurate to after radix point 1, and direct current 12V and 5V are accurate to after radix point 2.
The magnitude of voltage gathering can be preserved by generating report forms.
N group air door working station indicator region and N group valve working status indicator lamp region: can choose and gather item and gather number.Air door or transfer valve are opened, and its corresponding LED status is green, is black while closing.
It should be noted that, for air cooling type refrigerator, N group air door working station indicator region shows that by LED status whether air door circuit is normal.For direct cooling refrigerator, N group valve working status indicator lamp region shows that by LED status whether switch valve circuit is normal. in process of the test, can increase and decrease as the case may be monitoring number.The preferred N of the present embodiment is 2.
Compressor waveform acquisition and viewing area: the compressor waveform collecting is shown to ipc monitor interface in real time, resolves and demonstrate waveform frequency simultaneously.If the waveform frequency sending meets control specification with the rotating speed that collects compressor, illustrates that driven compressor plate and compressor are normal, otherwise abnormal.
Gate control switch region, refrigerator chamber, N road: for sending the open and close controlling order of each refrigerator chamber door.Separate, do not interfere with each other, can meet the nearly refrigerator of 7 chamber doors simultaneously and carry out fail-test.Processing procedure is: the open and close button of operation refrigerator chamber door, after processing by software and chamber gate control circuit, its status information is defeated by refrigerator, and reach the object of controlling refrigerator chamber door.If desired control the more refrigerator of multicell door, only need to increase chamber gate control circuit and change corresponding software and can satisfy the demands, extendability is strong.In process of the test, can increase and decrease as the case may be monitoring number.The preferred N of the present embodiment is 7.
Temperature input area is controlled on N road: for inputting air door work, trigger temperature value, air door and quit work and trigger that temperature value, compressor operating trigger temperature, compressor quits work and triggers temperature or other temperature parameters needing.It is separate that temperature output is controlled on 7 tunnels, do not interfere with each other, and can meet nearly 7 temperature controlled refrigerators simultaneously and carry out fail-test.Processing procedure is: after this region input temp value, by software, automatically find the corresponding code of Current Temperatures, be sent to Temperature Treatment circuit, be finally defeated by refrigerator, reach the object of controlling refrigerator work temperature.If desired control more temperature output, only need increase Temperature Treatment circuit and change corresponding software to satisfy the demands, extendability is strong.In process of the test, can increase and decrease as the case may be monitoring number.The preferred N of the present embodiment is 7.
Illustrate: monitoring interface transmission air door work triggering temperature value (as, temperature of refrigerating chamber is higher than 8 ℃) give refrigerator control panel, air door pilot lamp turns green.Monitoring interface send air door quit work trigger temperature value (as, temperature of refrigerating chamber is lower than-1 ℃) give refrigerator control panel, the blackening of air door pilot lamp.Illustrate that air door circuit is normal, otherwise, abnormal.Monitoring interface transmission compressor operating triggering temperature (as, freezer temperature is started working higher than-8 ℃) give refrigerator control panel, on monitoring interface, compressor has stable waveform and frequency output.Monitoring interface send compressor quit work trigger temperature (as, freezer temperature is lower than-17 ℃) give refrigerator control panel, monitoring interface compressor is without waveform and frequency output.Illustrate that compressor operating is normal, otherwise, abnormal, can be with reference to compressor waveform and frequency looking up the fault reason under abnormal conditions.
B. there is interface in square-wave signal
The square-wave waveform of a 20-200HZ frequency of interface display, by observing rotating speed and the frequency relation of compressor, can judge that whether compressor operating is normal.
C. voltage parameter is adjusted interface
N road voltage calibration parameter can real time modifying, in voltage acquisition process, the voltage calibration parameter of finding testing equipment does not meet control specification, click " adjustment parameter " button of monitoring interface, eject and log in dialog box immediately, input correct username and password and enter voltage parameter adjustment Interface Options card, can carry out the adjustment of voltage calibration parameter.
D. communications setting tab
Communications setting interface, for setting up the communication connection of host computer and detection case.
Two: detection case
As shown in Figure 1, detection case comprises MCU, voltage collection circuit, square wave circuit for generating, pulse valve testing circuit, Temperature Treatment circuit, gate control circuit, waveform acquisition device, usb hub.
Described MCU is connected with voltage collection circuit, square wave circuit for generating, pulse valve testing circuit, Temperature Treatment circuit, gate control circuit, and is connected with host computer by usb hub.Described waveform acquisition device is connected with refrigerator control panel, square wave circuit for generating.Voltage collection circuit, square wave circuit for generating, pulse valve testing circuit, Temperature Treatment circuit, gate control circuit are connected with refrigerator control panel.
The effect of each building block is as follows:
MCU, receives the instruction of host computer and the information of collection is uploaded to host computer, executing data capture program and serial communication programmer.The instruction of host computer mainly comprises gate control instruction, temperature instruction, waveform generation instruction, voltage acquisition instruction, the treated refrigerator control panel of passing to of described instruction; MCU is by the treated host computer that is uploaded to of the voltage of collection, air door or pulse valve status information.
Voltage collection circuit, after receiving the voltage acquisition order that host computer sends, the voltage channel of voltage collection circuit gating order request, and the voltage collecting to be processed and uploaded to host computer through MCU. the output terminal of N road voltage channel commutation circuit is connected to the adc circuit of MCU, when host computer sends the instruction of voltage gating, by switching channel acquisition time voltage.
Square wave circuit for generating, can produce frequency range and be 20HZ to the square-wave signal of 200HZ, after receiving the waveform generation instruction that host computer sends, produces the corresponding square wave of frequency, produces waveform and is shown to host computer by capture card.
Pulse shape is uploaded waveform to host computer by the compressor waveform of refrigerator control panel output, and shows at square-wave signal generation interface.
Pulse valve testing circuit connects refrigerator control panel and MCU, mainly receives the state of the pulse valve of exporting on refrigerator control panel and uploads to host computer.
Temperature Treatment circuit connects refrigerator control panel and MCU, after the temperature instruction that host computer sends, through MCU and Temperature Treatment circuit, is input to refrigerator control panel, with this, simulates residing operating mode in refrigerator work.
Gate control circuit connects MCU and refrigerator control panel, and host computer sends after the door open-close signal of chamber, through MCU and gate control circuit, to refrigerator control panel, inputs analog gate switch state signal.
The terminals of detection case adopt connected mode that can plug, and it is corresponding one by one that its numbering and ipc monitor interface detection are numbered, easy-to-look-up connection.Wherein, 7 chamber, tunnel gate control switch number are K1-K7; 7 tunnel temperature inputs are numbered T1-T7; In 24 road voltages, 10 road 220V voltages are numbered A1-A10, and 2 road 5V voltages are numbered B1, B2, and 12 road 12V voltages are numbered C1-C12; Two groups of air door working station indicators are numbered D1, D2; Two groups of valve working status indicator lamp numberings are respectively E1-E3, F1-F3.
For air cooling type refrigerator, be wired to air door, can judge that whether air door circuit is normal by observing air door working station indicator.For direct cooling refrigerator, be wired to transfer valve, can judge that whether transfer valve circuit is normal by observing transfer valve working station indicator.
In sum, detection case is mainly realized refrigerator controller and the control of driven compressor plate, the collection of air door/valve state, voltage transitions collection, command communication, simulation triggers the functions such as control, waveform processing.
The detecting step of native system is preferably:
1, the monitoring facilities of native system is installed at host computer.
2, operational monitoring program, opens human-computer interaction interface, sets up the communication connection of host computer and testing equipment, the successfully rear operation monitoring interface of communicating by letter.
3, voltage calibration.At monitoring interface, click " parameter adjustment button ", eject user's log-in interface, input password enters voltage parameter and adjusts interface, accesses a normal voltage, while there is deviation between the voltage that collection shows and normal voltage, can adjust by voltage calibration.
4, connect host computer and detection case, and detection case is connected to the detection of refrigerator control panel according to numbering successively correspondence.
5, choose voltage and air door or the valve that needs collection, click " starting to gather " button, air door or valve state, magnitude of voltage will be uploaded to monitoring interface in real time.Now, magnitude of voltage is not when normal range of operation, and alarm lamp is red, shows magnitude of voltage; When being zero, alarm lamp shows yellow, and no-voltage value shows; In normal range, alarm lamp shows green, shows magnitude of voltage; Do not choose, alarm lamp is black, there is no magnitude of voltage.Valve/air door state is black when valve or air door are not opened, and shows green while opening.
6, click " preservation voltage ", the magnitude of voltage that uploads to observation interface by detection case is saved in form in real time, and form storing path can be revised.
7, blower fan channel check.Monitoring interface sends blower fan work order, and blower voltage pilot lamp is green, to there being magnitude of voltage to show, represents that blower fan circuit is normal; If blower voltage pilot lamp is red, represent blower fan circuit abnormality, can reference output voltage value looking up the fault reason.
8, the judgment mode of defrosting heater, anti-condensation white well heater, uviol lamp, sterilizing treasured etc. is as 7.
9, air door circuit temperature triggers and checks.As, monitoring interface transmission air door work triggering temperature value (as, temperature of refrigerating chamber is higher than 8 ℃) give refrigerator control panel, air door pilot lamp turns green.Monitoring interface send air door quit work trigger temperature value (as, temperature of refrigerating chamber is lower than-1 ℃) give refrigerator control panel, the blackening of air door pilot lamp.Illustrate that the control of air door circuit temperature is normal, otherwise, abnormal.
10, compressor circuit inspection.Monitoring interface transmission compressor operating triggering temperature (as, freezer temperature is started working higher than-8 ℃) give refrigerator control panel, on monitoring interface, compressor has stable waveform and frequency output.Monitoring interface send compressor quit work trigger temperature (as, freezer temperature is lower than-17 ℃) give refrigerator control panel, monitoring interface compressor is without waveform and frequency output.Illustrate that compressor operating is normal, otherwise, abnormal, can be with reference to compressor waveform and frequency looking up the fault reason under abnormal conditions.
11, the compressor drive circuit inspection of control panel.Monitoring interface can produce the square-wave signal that frequency is 20-200HZ, check that compressor process is as follows: the waveform that is 20-200HZ when transmission frequency arrives driven compressor plate, if the waveform frequency sending meets control specification with the rotating speed that collects compressor, the compressor drive circuit that control panel is described is normal, otherwise, abnormal.
Beneficial effect of the present invention is:
The present invention adopts computer monitor, by modes such as the familiar shift knob of people, given numerical value, controls refrigerator control panel and driven compressor plate, by the working condition of the monitoring refrigerators such as virtual oscilloscope, numerical value output, pilot lamp.For increasing the universality of system, computer monitor interface becomes installation procedure, can on any computer, install and use; The system integration detection of air-cooled and two kinds of refrigeration modes refrigerators of direct-cooling type, each detection leaves reserved, convenient expansion, in process of the test, by applying fictitious load and analog input, make refrigerator can reach fast the required operating mode of test, all collection items all upload to computer monitor interface in real time by the mode of scan round, discovery fault that can be quick, accurate, directly perceived, real-time.
Claims (10)
1. an all-purpose refrigerator fail-test detection system, is characterized in that, comprise host computer, with the detection case of host computer communication connection;
Order and request of data that described detection case sends for receiving host computer, do corresponding input to refrigerator control panel, gathers the data of corresponding refrigerator control panel, and the related data collecting is sent to host computer;
Described host computer, according to the monitoring option of user's input, sends order and request of data to described detection case, receives the data that described detection case sends, and shows after treatment at human-computer interaction interface.
2. all-purpose refrigerator fail-test detection system as claimed in claim 1, is characterized in that, described detection case comprises:
MCU, receives the instruction of host computer and the information of collection is uploaded to host computer, executing data capture program and serial communication programmer.
Voltage collection circuit, after receiving the voltage acquisition order that host computer sends, the voltage channel of voltage collection circuit gating order request, and the voltage collecting is processed and uploaded to host computer through MCU;
Square wave circuit for generating, after receiving the waveform generation instruction that host computer sends, produces a square-wave signal and is defeated by refrigerator control panel and pulse shape;
Pulse shape, uploads waveform to host computer by the compressor waveform of refrigerator control panel output;
Pulse valve testing circuit, receives the state of the pulse valve of exporting on refrigerator control panel and uploads to host computer;
Temperature Treatment circuit, after receiving the temperature instruction that host computer sends, is input to refrigerator control panel after treatment, with this, simulates residing temperature regime in refrigerator work;
Gate control circuit, after receiving the chamber door open-close order that host computer sends, is input to refrigerator control panel, after treatment with this analog gate switch state signal;
Usb hub, for being connected host computer with MCU, waveform acquisition device.
3. all-purpose refrigerator fail-test detection system as claimed in claim 2, it is characterized in that, described MCU is responsible for processing dependent instruction and the data inputted by host computer, after processing, by square wave circuit for generating and/or voltage collection circuit and/or Temperature Treatment circuit and/or gate control circuit and/or pulse valve testing circuit, refrigerator control panel is driven or signals collecting.
4. all-purpose refrigerator fail-test detection system as claimed in claim 2, is characterized in that, it is that 20HZ is to the square-wave signal of 200HZ that described square wave circuit for generating produces frequency range.
5. the all-purpose refrigerator fail-test detection system as described in any one in claim 2 ~ 4, it is characterized in that, described host computer human-computer interaction interface is provided with communications setting tab, monitoring interface tab, square-wave signal generation Interface Options card, voltage parameter adjustment Interface Options card; Wherein,
Communications setting interface, for setting up the communication connection with detection case;
There is interface in square-wave signal, input generates the frequency of waveform, is transferred to square wave circuit for generating, and gather the waveform that shows the output of square wave circuit for generating.
Monitoring interface comprises
Voltage monitoring region, N road, for voltage item and the number of selecting to gather, and shows monitoring result;
N organizes air door working state monitoring region, for choosing, gathers item and gathers number, shows the open and-shut mode of corresponding air door;
N organizes transfer valve status monitoring region, for choosing, gathers item and gathers number, shows the open and-shut mode of corresponding transfer valve;
Gate control switch region, refrigerator chamber, N road, for sending the open and close controlling order of each refrigerator chamber door;
Temperature input area is controlled on N road, for inputting analog temperature value, reaches the object of simulation refrigerator work temperature;
Compressor waveform acquisition and viewing area, for the compressor waveform collecting is shown to computer monitor interface in real time, resolves and demonstrate waveform frequency simultaneously.
6. all-purpose refrigerator fail-test detection system as claimed in claim 5, is characterized in that, in voltage status pilot lamp region, N road, and the corresponding four state alarm lamps of every road voltage.Voltage Xiang Wei chooses, and alarm lamp is black, and no-voltage value shows; Collection voltage is normal, and alarm lamp is green, shows magnitude of voltage; Gather voltage and surpass the working range of controlling specification requirement, alarm lamp is red, shows magnitude of voltage; Voltage item is chosen but is not collected voltage, and pilot lamp is yellow, and no-voltage value shows.
7. all-purpose refrigerator fail-test detection system as claimed in claim 5, it is characterized in that, N group air door working station indicator region, each option of N group transfer valve status indicator lamp region all arrange pilot lamp, when situation is normal described in pilot lamp be green, otherwise be black.
8. all-purpose refrigerator fail-test detection system as claimed in claim 5, is characterized in that, refrigerator chamber gate control switch sections in N road is controlled the open and close state of refrigerator chamber door by action button.
9. all-purpose refrigerator fail-test detection system as claimed in claim 5, is characterized in that, temperature importation is controlled on N road, the temperature value of input is transferred to the Temperature Treatment circuit of refrigerator control panel, reaches the object of controlling refrigerator temperature.
10. all-purpose refrigerator fail-test detection system as claimed in claim 5, is characterized in that, the terminals of detection case adopt connected mode that can plug, and its numbering is numbered corresponding one by one with ipc monitor interface detection.
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| CN104764288A (en) * | 2015-03-17 | 2015-07-08 | 广东奥马电器股份有限公司 | Refrigerator detection method of dynamic cooling line |
| CN107220199A (en) * | 2017-05-25 | 2017-09-29 | 绵阳美菱软件技术有限公司 | The host computer of refrigerator, the slave computer of refrigerator, the communication means of refrigerator and system |
| CN107220199B (en) * | 2017-05-25 | 2019-10-01 | 合肥美菱物联科技有限公司 | The host computer of refrigerator, the slave computer of refrigerator, the communication means of refrigerator and system |
| CN109556899A (en) * | 2018-11-22 | 2019-04-02 | 合肥美的电冰箱有限公司 | A kind of refrigerator detection method, industrial personal computer and refrigerator detection system |
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Application publication date: 20140402 |