CN104730366B - Fault diagnosis and auxiliary apparatus for repairing for household electrical appliance - Google Patents
Fault diagnosis and auxiliary apparatus for repairing for household electrical appliance Download PDFInfo
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- CN104730366B CN104730366B CN201310720022.0A CN201310720022A CN104730366B CN 104730366 B CN104730366 B CN 104730366B CN 201310720022 A CN201310720022 A CN 201310720022A CN 104730366 B CN104730366 B CN 104730366B
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- 238000004851 dishwashing Methods 0.000 description 3
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Abstract
Description
Technical field
The invention belongs to fault detection technique field, more particularly to a kind of fault diagnosis for household electrical appliance are auxiliary with repairing Help equipment.
Background technology
At present, household electrical appliance（Such as dish-washing machine, washing machine, refrigerator）It is widely used in daily life. After household electrical appliance use a period of time, due to the abrasion of internals and the aging of component, it can cause household electrical appliance can not Normal work, now, then need to carry out fault detect and investigation to household electrical appliance, in time to repair household electrical appliance.
Prior art is generally to operate detecting instrument by maintenance personal to detect household electrical appliance, and by maintenance personal's root Judge whether household electrical appliance break down according to testing result.However, because the personnel of needing repairing voluntarily judge, this is easy for causing There is deviation because the professional standards of maintenance personal are different in judged result, and then the problem of failure diagnostic result inaccuracy, And failure detection time also can correspondingly extend, it is unfavorable for carrying out quick fault diagnosis and maintenance to household electrical appliance；Furthermore often All it is that, due to the interference of human factor, can lead after-sales service feedback of the information to manufacturer after Single Maintenance by maintenance personal Cause the finally obtained feedback information of manufacturer not objective enough, comprehensive and accurate, so manufacturer just can not be according to feedback After-sales service information household electronic products are made with targetedly improving to improve product quality.
In summary, prior art is present can not rapidly and accurately carry out fault diagnosis and maintenance, and nothing to household electrical appliance Method directly feeds back the problem of objective and accurate repair message is to manufacturer.
The content of the invention
It is an object of the invention to provide a kind of fault diagnosis and auxiliary apparatus for repairing being used for for household electrical appliance, it is intended to Solve that rapidly and accurately fault diagnosis and maintenance can not be carried out to household electrical appliance present in prior art, and can not directly feed back The problem of objective and accurate repair message is to manufacturer.
The present invention is achieved in that a kind of fault diagnosis and auxiliary apparatus for repairing for household electrical appliance, and it includes：
Power detection module, for when household electrical appliance run on on-line checking pattern to using electric loading in household electrical appliance Power detection is carried out one by one, and whether the present load power for judging to detect is continuously in pre- bidding within a preset time interval In quasi- power interval, if it is, judgement is currently surveying load normally, if it is not, then judge currently to break down in survey load, And output loading fault message；
Electric-controlled plate detection module, to described automatically controlled when running on on-line checking pattern for the electric-controlled plate in household electrical appliance Each several part circuit in plate carries out voltage detecting and/or current detecting one by one, when carrying out voltage detecting to the electric-controlled plate, sentences Whether the disconnected circuit voltage detected is in preset standard voltage range, if it is, judgement is currently normal in slowdown monitoring circuit, if It is no, then judge currently to break down in slowdown monitoring circuit, and output circuit fault message；When to electric-controlled plate progress current detecting When, whether the circuital current for judging to detect is in preset standard electric current section, if it is, judge currently in slowdown monitoring circuit just Often, if it is not, then judging currently to break down in slowdown monitoring circuit, and output circuit fault message；It is electric when being carried out to the electric-controlled plate Pressure detection and current detecting, judge whether the circuit voltage that detects and circuital current are respectively at the preset standard voltage zone Between and the preset standard electric current section, if it is, judge it is currently normal in slowdown monitoring circuit, if it is not, then judge currently surveying Circuit breaks down, and output circuit fault message；
Module is guided in maintenance, is connected with the power detection module and the electric-controlled plate detection module, for the work( The load faulty information or the fault information of electric-controlled plate detection module output that rate detection module is exported are shown Show, and send corresponding maintenance and guide prompting；
Fault message logging modle, it is connected with the power detection module and the electric-controlled plate detection module, for institute State power detection module and judge currently detected present load power and the load exported when surveying load and breaking down Fault message is preserved to be used as load faulty data；And for judging the electric-controlled plate detection module currently in slowdown monitoring circuit Detected circuit voltage and/or circuital current and the fault information exported are preserved to make during failure For electric-controlled plate fault data；
Fault message feedback module, it is connected with the fault message logging modle, for the fault message to be recorded into mould The load faulty data and the electric-controlled plate fault data that block is preserved feed back to household electrical appliances manufacturer by radio communication Data terminal.
In addition, the fault diagnosis also includes electrical parameters detection module with auxiliary apparatus for repairing, remember with the fault message Module connection is recorded, it is former to the circuit for when the electric-controlled plate detection module has determined that and currently broken down in slowdown monitoring circuit Hinder corresponding to information current carries out current detecting, voltage detecting and power detection, and the circuit that will be detected in slowdown monitoring circuit Electric current, circuit voltage and circuit power are shown as electrical parameter information.
Determined in maintenance personal according to the electrical parameter information currently in the failure cause of slowdown monitoring circuit, and according to the failure When reason carries out maintenance guide acquisition operation to the maintenance guide module, described repair guides module to repair guide according to described Obtain operation and send corresponding maintenance guide prompting.
The fault message logging modle is preserved the electrical parameter information with the failure cause.
The fault message feedback module feeds back to the electrical parameter information and the failure cause by radio communication The data terminal of household electrical appliances manufacturer.
The present invention guides module, fault message to remember by using including power detection module, electric-controlled plate detection module, maintenance Module and the fault diagnosis and auxiliary apparatus for repairing for household electrical appliance of fault message feedback module are recorded, by power detection mould Block carries out power detection quickly to realize that load faulty diagnoses to each in household electrical appliance with electric loading, and mould is detected by electric-controlled plate Block carries out voltage and/or current detecting to the electric-controlled plate in household electrical appliance quickly to realize electric-controlled plate fault diagnosis, and passes through dimension Repair and guide module to send corresponding maintenance guide prompting according to load faulty data and electric-controlled plate fault data so as to maintenance personal Household electrical appliance are accurately and effectively repaired, improve fault diagnosis and maintenance efficiency, and can by load faulty data and Electric-controlled plate fault data feeds back to household electrical appliances manufacturer, is easy to household electrical appliances manufacturer to make according to this with targetedly improving to lift production Quality.
Brief description of the drawings
Fig. 1 is the structural representation of the fault diagnosis provided in an embodiment of the present invention for household electrical appliance and auxiliary apparatus for repairing Figure；
Fig. 2 is the fault diagnosis provided in an embodiment of the present invention for household electrical appliance and another structure of auxiliary apparatus for repairing Schematic diagram.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Fig. 1 shows the knot of the fault diagnosis provided in an embodiment of the present invention for household electrical appliance and auxiliary apparatus for repairing Structure, for convenience of description, part related to the present invention is illustrate only, details are as follows：
Fault diagnosis provided in an embodiment of the present invention for household electrical appliance includes power detection mould with auxiliary apparatus for repairing Module 300, fault message logging modle 400 and fault message feedback mould are guided in block 100, electric-controlled plate detection module 200, maintenance Block 500.
Power detection module 100 is used to bear the electricity consumption in household electrical appliance when household electrical appliance run on on-line checking pattern Carry（Such as the motor in dish-washing machine, water pump）Power detection is carried out one by one, and whether the present load power for judging to detect is pre- If being continuously in time interval in preset standard power interval, if it is, judge currently surveying load normally, if not, Then judge currently surveying load failure, and output loading fault message.
Wherein, household electrical appliance run on on-line checking pattern and refer to that household electrical appliance control according to preset detection control program The each of its inside is run according to normal operating conditions one by one with electric loading, so that power detection module 100 is born to each electricity consumption Load carries out fault detect one by one.Preset standard power interval is according to each rated power with electric loading in tested household electrical appliance And the power level scope pre-set, for example, the preset standard power interval of the motor of washing mechanism in dish-washing machine is (1900W, 2100W), power unit are W（Watt）.Power detection module 100 is actually in a period of time（When i.e. default Between be spaced）It is interior to carrying out lasting power detection with electric loading, and judge currently whether surveying the power of load in this period Inside maintain always in preset standard power interval, if it is, showing currently surveying load normally, if it is not, then showing to work as It is preceding to survey load failure.
To electric-controlled plate when the electric-controlled plate that electric-controlled plate detection module 200 is used in household electrical appliance runs on on-line checking pattern In each several part circuit（Such as power-supplying circuit, motor-drive circuit）Voltage detecting and/or current detecting are carried out one by one.
When electric-controlled plate detection module 200 carries out voltage detecting to electric-controlled plate, whether the circuit voltage for judging to detect is located In preset standard voltage range, if it is, judgement is currently normal in slowdown monitoring circuit, if it is not, then judging currently in slowdown monitoring circuit to go out Existing failure, and output circuit fault message.
When electric-controlled plate detection module 200 carries out current detecting to electric-controlled plate, whether the circuital current for judging to detect is located In preset standard electric current section, if it is, judgement is currently normal in slowdown monitoring circuit, if it is not, then judging currently in slowdown monitoring circuit to go out Existing failure, and output circuit fault message.
When electric-controlled plate detection module 200 carries out voltage detecting and current detecting to electric-controlled plate, the circuit electricity detected is judged Whether pressure and circuital current are respectively at preset standard voltage range and preset standard electric current section, if it is, judging current It is normal in slowdown monitoring circuit, if it is not, then judge currently to break down in slowdown monitoring circuit, and output circuit fault message.
Wherein, electric-controlled plate runs on on-line checking pattern and refers to that electric-controlled plate is controlled in it according to preset detection control program The each several part circuit in portion is run according to normal operating conditions one by one, so as to electric-controlled plate detection module 200 to every partial circuit one by one Carry out fault detect.Preset standard electric current section is the specified of each several part circuit on the electric-controlled plate in tested household electrical appliance Electric current and the current level scope pre-set, preset standard electric current section are on the electric-controlled plate in tested household electrical appliance The rated voltage of each several part circuit and the voltage level scope pre-set.
Maintenance guides module 300 to be connected with power detection module 100 and electric-controlled plate detection module 200, and module is guided in maintenance 300 are used for the circuit event of the load faulty information or output of electric-controlled plate detection module 200 exported to power detection module 100 Barrier information is shown, and is sent corresponding maintenance and guided prompting.
Wherein, load faulty information refers to the name information with electric loading to be broken down in household electrical appliance；Fault Information refers to the name information of the circuit to be broken down on the electric-controlled plate of household electrical appliance.
Fault message logging modle 400 is connected with power detection module 100 and electric-controlled plate detection module 200, fault message Logging modle 400 is used to judge power detection module 100 present load currently detected when surveying load and breaking down Power and the load faulty information exported are preserved to be used as load faulty data.And fault message logging modle 400 is used In electric-controlled plate detection module is judged circuit voltage currently detected when slowdown monitoring circuit breaks down and/or circuital current with And the fault information exported is preserved to be used as electric-controlled plate fault data.
, wherein it is desired to explanation, load faulty data are exactly to include present load power and load faulty information, so With regard to power when being broken down with the name information of electric loading with it of failure can be made to form corresponding relation, and it is stored in event Hinder in information logging modle 400；Similarly, fault data are exactly comprising circuit voltage and/or the event of circuital current and circuit Hindering information, the voltage and/or electric current when the name information of the circuit of failure is broken down with it form corresponding relation, and It is stored in fault message logging modle 400.
Fault message feedback module 500 is connected with fault message logging modle 400, and fault message feedback module 500 is used for Load faulty data and electric-controlled plate fault data that fault message logging modle 400 is preserved are fed back into house by radio communication The data terminal of electric manufacturer.
In addition, when electric-controlled plate detection module 200 detects that some currently breaks down in slowdown monitoring circuit, if circuit structure It is complex, just occur can not accurate judgement failure concrete reason phenomenon, such as：Electric-controlled plate detection module 200 detects Motor-drive circuit on to electric-controlled plate breaks down, but because motor-drive circuit includes main control chip and its periphery electricity Road, electric-controlled plate detection module 200 can not judge the device specifically to break down exactly, also can not just determine what is broken down Concrete reason.Therefore, in order to realize more accurate fault diagnosis to the electric-controlled plate in household electrical appliance, the embodiment of the present invention provides Fault diagnosis and auxiliary apparatus for repairing also include electrical parameters detection module 600, as shown in Fig. 2 itself and fault message record mould Block 400 connects, for when electric-controlled plate detection module 200 has determined that and currently broken down in slowdown monitoring circuit, to fault information It is corresponding it is current carry out current detecting, voltage detecting and power detection in slowdown monitoring circuit, and by the circuital current detected, electricity Road voltage and circuit power are shown as electrical parameter information.It follows that electrical parameters detection module 600 can realize ten thousand With the function of table and power meter to carry out electric current, voltage and power detection to circuit.
Determined in maintenance personal according to electrical parameter information currently in the failure cause of slowdown monitoring circuit, and according to the failure cause pair When maintenance guide module 300 carries out maintenance guide acquisition operation, repair and guide module 300 to be sent out according to maintenance guide acquisition operation Go out corresponding maintenance and guide prompting, also, fault message logging modle 400 carries out above-mentioned electrical parameter information and failure cause Preserve, above-mentioned electrical parameter information and failure cause can be fed back to household electrical appliances system by fault message feedback module 500 by radio communication Make the data terminal of business.
Further, maintenance guides module 300 to specifically include master controller, memory cell and display unit.Main control Device driving display unit shows to load faulty information or fault information, at the same according to load faulty information or Fault information reads corresponding maintenance from memory cell and guides prompting, and drives display unit to guide prompting to carry out maintenance Display.Wherein, master controller can be single-chip microcomputer or arm processor；It is interior in advance that prompting database is guided in above-mentioned maintenance Memory cell is placed in, it is corresponding with various load faulty information and fault information that maintenance guides prompting database to contain Maintenance guide prompting, memory cell is nonvolatile memory, such as EPROM（Erasable Programmable Read- Only Memory EPROMs）、EEPROM（Electrically Erasable Programmable Read-Only Memory, EEPROM）Or FLASH（Flash memory）；Display unit can be that LCD is shown Screen or LED display.
Further, the inside of fault message logging modle 400 includes a memory, and the memory is used to preserve above-mentioned bear It can be EPROM, EEPROM or FLASH to carry fault data and electric-controlled plate fault data, the memory.
Further, fault message feedback module 500 includes wireless communication unit and pluggable storage medium, radio communication Load faulty data that unit is preserved fault message logging modle 400 based on blue-tooth technology or WIFI communication technology and Electric-controlled plate fault data is sent to the data terminal of household electrical appliances manufacturer；Pluggable storage medium is used for fault message logging modle The 400 load faulty data preserved and electric-controlled plate fault data make a backup store.When maintenance personal is needed load faulty Data and electric-controlled plate fault data collection and when feeding back to household electrical appliances manufacturer, can directly by above-mentioned pluggable storage medium from Taken out in fault message feedback module 500 and return to household electrical appliances manufacturer, pluggable storage medium can be SD card （Secure Digital Card, safe digital card）, memory stick（MS, Memory Stick）Or mmc card（MultiMedia Card, multimedia storage card）Deng storage card.
The present invention by using including power detection module 100, electric-controlled plate detection module 200, maintenance guide module 300, Fault message logging modle 400 and the fault diagnosis for household electrical appliance of fault message feedback module 500 aid in maintenance Equipment, by power detection module 100 in household electrical appliance it is each with electric loading carry out power detection with quick realization load therefore Barrier diagnosis, voltage and/or current detecting are carried out to the electric-controlled plate in household electrical appliance quickly to realize by electric-controlled plate detection module 200 Electric-controlled plate fault diagnosis, and guide module 300 to be sent accordingly according to load faulty data and electric-controlled plate fault data by repairing Maintenance guide prompting accurately and effectively to be repaired to household electrical appliance so as to maintenance personal, improve fault diagnosis and maintenance effect Rate, and load faulty data and electric-controlled plate fault data can be fed back to household electrical appliances manufacturer, it is easy to household electrical appliances manufacturer to make according to this Provide and targetedly improve with Improving The Quality of Products.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
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| CN201310720022.0A CN104730366B (en) | 2013-12-23 | 2013-12-23 | Fault diagnosis and auxiliary apparatus for repairing for household electrical appliance |
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| CN201310720022.0A CN104730366B (en) | 2013-12-23 | 2013-12-23 | Fault diagnosis and auxiliary apparatus for repairing for household electrical appliance |
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| CN104990362B (en) * | 2015-07-07 | 2017-11-14 | 合肥美的电冰箱有限公司 | A kind of hand-held detection device and detection method for the detection of refrigerator electric control plate |
| CN105203894B (en) * | 2015-11-05 | 2018-05-25 | 广西诺思贝电气股份有限公司 | With the fault monitoring method of electric loading |
| CN106027339B (en) * | 2016-05-11 | 2018-12-07 | 珠海格力电器股份有限公司 | The monitoring method of household appliance, apparatus and system |
| CN107949089A (en) * | 2016-10-13 | 2018-04-20 | 佛山市顺德区美的电热电器制造有限公司 | A kind of information processing method and electromagnetic heating apparatus |
| CN106872821A (en) * | 2017-02-04 | 2017-06-20 | 同济大学 | Household electrical appliances intelligent fault diagnosis method and system based on RFID technique |
| CN107144085B (en) * | 2017-04-12 | 2019-09-17 | 海信（山东）冰箱有限公司 | A kind of method, apparatus and system of determining breakdown of refrigerator |
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| CN109916441A (en) * | 2017-12-13 | 2019-06-21 | 佛山市顺德区美的电热电器制造有限公司 | Test method and test macro for household electrical appliance |
| CN109975629A (en) * | 2017-12-28 | 2019-07-05 | 深圳市欧瑞博科技有限公司 | Detection method, device, computer equipment and the storage medium of faulty equipment |
| AU2018427289A1 (en) * | 2018-06-13 | 2021-01-21 | Huawei Technologies Co., Ltd. | Transmission control method and device |
| CN111289813A (en) * | 2018-12-07 | 2020-06-16 | 珠海格力电器股份有限公司 | Power utilization abnormity judgment method and device, storage medium and server |
| CN109945396A (en) * | 2019-03-25 | 2019-06-28 | 广东美的制冷设备有限公司 | The detection method and detection device of air conditioner, driving circuit failure |
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