CN104730371B - Testing method, circuit, device and system for household appliances - Google Patents

Testing method, circuit, device and system for household appliances Download PDF

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Publication number
CN104730371B
CN104730371B CN201310728873.XA CN201310728873A CN104730371B CN 104730371 B CN104730371 B CN 104730371B CN 201310728873 A CN201310728873 A CN 201310728873A CN 104730371 B CN104730371 B CN 104730371B
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test
electrical appliance
household electrical
branch
switch
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CN104730371A (en
Inventor
杨钟成
万今明
李方烔
陈日豪
李远扬
刘慧丽
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Gree Electric Appliances Inc of Zhuhai
Gree Tosot Suqian Home Appliances Co Ltd
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The invention discloses a testing method, a testing circuit, a testing device and a testing system for household appliances. Wherein, domestic appliance's test circuit includes: the test branch combination is provided with at least two test branches of a voltage impact test branch, a current impact test branch and a start-stop test branch; and the controller is connected with the testing branch combination and is used for controlling the testing branch combination to test the household appliance. The invention solves the problem of longer period for testing the household electrical appliance in the prior art, thereby achieving the effects of shortening the testing period, improving the testing efficiency and reducing the test purchasing cost.

Description

Test method, circuit, the device and system of household electrical appliance
Technical field
The present invention relates to testing field, in particular to a kind of test method of household electrical appliance, circuit, device and is System.
Background technology
In the prior art, the voltge surge test to household electrical appliance, rush of current test, frequent startup-shutdown are tested, respectively Corresponding equipment is needed to be tested, if necessary to carry out three of the above or wherein any two kinds of tests respectively to identical product When, then need replacing test equipment.Tested using different equipment, not only increase purchase cost, and test man needs more Exchange device, extended testing system cycle.
For the cycle that household electrical appliance are tested in correlation technique it is longer the problem of, not yet propose effective solution at present Certainly scheme.
The content of the invention
It is a primary object of the present invention to provide a kind of test method of household electrical appliance, circuit, device and system, to solve The problem of cycle tested in the prior art household electrical appliance is longer.
To achieve these goals, according to an aspect of the invention, there is provided a kind of test circuit of household electrical appliance, bag Include:Branch combinations are tested, there are in voltge surge test branch, rush of current test branch and start-stop test branch at least two Test branch;And controller, it is connected with test branch combinations, for controlling test branch combinations to survey household electrical appliance Examination.
Further, voltge surge test branch includes:First switch, first end are connected with first node, wherein, the Node of one node between the first end of power supply and the first feeder ear of household electrical appliance;Capacity cell, is connected to first Between the second end and section point of switch, wherein, section point supplies for the second end of power supply and the second of household electrical appliance Node between electric end;And resistance test part, it is connected between the second end of first switch and section point, wherein, control Device is connected with the control terminal of first switch, and for the break-make by controlling first switch, voltge surge is carried out to household electrical appliance Test.
Further, the capacitance of capacity cell adjusts.
Further, start-stop test branch includes:Second switch, is connected on the current supply circuit of household electrical appliance, wherein, control Device processed is connected with the control terminal of second switch, and for the break-make by controlling second switch, start-stop survey is carried out to household electrical appliance Examination.
Further, rush of current test branch includes:Inductance element, is connected to the first end and household electric of power supply Between first feeder ear of device;Heater element, is connected between first node and section point, wherein, first node is inductance Node between element and the first feeder ear of household electrical appliance, section point for power supply second end and household electrical appliance the Node between two feeder ears;And the 3rd switch, it is connected between first node and heater element, wherein, controller and the The control terminal of three switches is connected, and for being switched on-off by control the 3rd, rush of current test is carried out to household electrical appliance.
Further, the inductance value of inductance element adjusts, and the current value for flowing through heater element adjusts.
To achieve these goals, according to the second aspect of the invention, there is provided a kind of test device of household electrical appliance, should Test device includes the test circuit for any household electrical appliance that the above of the present invention is provided.
To achieve these goals, according to the third aspect of the invention we, there is provided a kind of test system of household electrical appliance, bag Include:Power supply;Household electrical appliance;And test device, it is connected between power supply and household electrical appliance, wherein, test device is the present invention The test device for the household electrical appliance that the above is provided.
To achieve these goals, according to the fourth aspect of the invention, there is provided a kind of test method of household electrical appliance, bag Include:Select command is received, wherein, select command is used to determine the test branch for testing household electrical appliance, tests branch bag Include voltge surge test branch, rush of current test branch and start-stop and test at least two test branches in branch;And control Definite test branch carries out household electrical appliance the first test, and receives select command again, to carry out second to household electrical appliance Test, wherein, the first test and the second test are different types of test.
Further, controlling definite test branch that household electrical appliance are carried out with the first test includes:The definite test of control Branch circulates between the first state and a second state, and household electrical appliance are carried out with the first test, wherein, first state is what is determined The state that test branch is on, the second state are in the state disconnected for definite test circuit.
The present invention is used with the test circuit of the household electrical appliance of lower structure:Branch combinations are tested, there is voltge surge Test branch, rush of current test branch and start-stop and test at least two test branches in branch;And controller, with test branch Road combination is connected, for controlling test branch combinations to test household electrical appliance.By being set in test circuit by electricity Press the test branch that at least two test branches are formed in shock-testing branch, rush of current test branch and start-stop test branch Road is combined, the test circuit of such a integration, and different surveys can be carried out by testing branch combinations to household electrical appliance by realizing Try type test, compared with the prior art in need by way of replacing test equipment and being tested for, the present invention carried The test circuit of the integration of confession has the advantages that switching is faster, solves and household electrical appliance are surveyed in the prior art The problem of cycle of examination is longer, and then shorten test period, the effect for improving testing efficiency, reducing test purchase cost Fruit.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the test circuit of household electrical appliance according to embodiments of the present invention;
Fig. 2 is the schematic diagram of the test circuit of household electrical appliance according to the preferred embodiment of the invention;And
Fig. 3 is the flow chart of the test method of household electrical appliance according to embodiments of the present invention.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
An embodiment of the present invention provides a kind of test circuit of household electrical appliance, the family provided below the embodiment of the present invention The test circuit of electrical appliance is specifically introduced:
Fig. 1 is the schematic diagram of the test circuit of household electrical appliance according to embodiments of the present invention, as shown in Figure 1, the test is electric Road mainly includes test branch combinations 10 and controller 20, wherein, test branch combinations 10 have voltge surge test branch 11, Rush of current tests at least two test branches in branch 12 and start-stop test branch 13, wherein, voltge surge test branch 11 For household electrical appliance to be carried out with voltge surge test, rush of current test branch 12 is used to carry out rush of current survey to household electrical appliance Examination, start-stop test branch 13 are used to carry out frequent start-stop test to household electrical appliance.Controller 20 is connected with test branch combinations 10 Connect, for controlling test branch combinations 10 to test household electrical appliance.
Branch 11, rush of current test branch 12 and start-stop test are tested by voltge surge by being set in test circuit The test branch combinations that at least two test branches are formed in branch 13, the test circuit of such a integration, realizes energy Enough tests that by testing branch combinations household electrical appliance are carried out with different test-types, compared with the prior art in need to pass through replacement For the mode that test equipment is tested, the test circuit for the integration that the embodiment of the present invention is provided has switching rapidly The advantages of quick, solve the problems, such as that cycle for being tested in the prior art household electrical appliance is longer, and then shortens Test period, the effect for improving testing efficiency, reducing test purchase cost.
Fig. 2 is the schematic diagram of the test circuit of household electrical appliance according to the preferred embodiment of the invention, as shown in Fig. 2, at this In preferred embodiment, diagrammatically illustrate test branch combinations 10 while there is voltge surge test branch 11, rush of current to survey Branch 12 and start-stop test branch 13 are tried, specifically:
Voltge surge test branch 11 includes first switch K1, capacity cell C, resistance test part R, wherein, first switch The first end of K1 is connected with first node, wherein, first node supplies for the first end of power supply and the first of household electrical appliance Node between electric end.Capacity cell C is connected between second end and the section point of first switch K1, wherein, section point For the node between the second end of power supply and the second feeder ear of household electrical appliance.Resistance test part R, is connected to first switch Between the second end and section point of K1.Wherein, control terminal of the controller 20 then with first switch K1 is connected, for passing through control Household electrical appliance are carried out voltge surge test by the break-make of first switch K1 processed.
Due to the property that capacity cell C cannot be mutated with voltage, first switch K1 is under closure state, capacity cell C discharge and recharges, therefore, can utilize the charge-discharge principle of capacity cell C, by controlling first switch K1 between closed and disconnected Circulation, forms the voltge surge tested household electrical appliance.
Start-stop test branch 13 mainly includes second switch K2, and second switch K2 is arranged on the current supply circuit of household electrical appliance On, controller is connected with the control terminal of second switch K2, for the break-make by controlling second switch K2, to household electrical appliance into Row start-stop is tested, and specifically, control second switch K2 is circulated between closed and disconnected, realizes the frequent start-stop to household electrical appliance Tested.
Rush of current test branch 12 mainly includes inductance component L, the switch K3 of heater element S and the 3rd, wherein, inductance member Part L is connected between the first end of power supply and the first feeder ear of household electrical appliance.Heater element S be connected to first node and Between section point.3rd switch K3, is connected between first node and heater element S.The control of controller and the 3rd switch K3 End processed is connected, and for the break-make by the switch of control the 3rd K3, rush of current test is carried out to household electrical appliance.
Due to the property that inductance component L cannot be mutated with electric current, the 3rd switch K3 is under closure state, heater element S generation electric currents, therefore, can utilize the principle that electric current cannot be mutated in inductance component L, the switch K3 of control the 3rd is being closed and broken Circulated between opening, form the rush of current tested household electrical appliance.
, wherein it is desired to explanation, has first switch K1, second switch K2, the at the same time for test branch combinations 10 Three switch the situation of K3, inductance component L, capacity cell C, resistance test part R and heater element S, i.e. test branch combinations 10 are same When have voltge surge test branch 11, rush of current test branch 12 and start-stop test branch 13, control voltge surge survey , it is necessary to which first control second switch K2 is closed and controlled the 3rd switch when examination branch 11 carries out voltge surge test to household electrical appliance K3 is disconnected, and then controls first switch K1 to be circulated between closed and disconnected again.Branch 13 is tested to household electric in control start-stop , it is necessary to which first control first switch K1 is disconnected and controlled the 3rd switch K3 to disconnect when device carries out frequent start-stop test, then control again Second switch K2 is circulated between closed and disconnected.Rush of current is carried out to household electrical appliance in control rush of current test branch 12 , it is necessary to which first control first switch K1 is disconnected and controlled second switch K2 to close during test, the 3rd switch K3 is then controlled to close again Close and circulated between disconnecting.
Further, in embodiments of the present invention, the inductance value size of inductance component L, the capacitance size of capacity cell C and Flowing through the current value size of heater element S can be adjusted.
By the way that by the current value of the inductance value of inductance component L, the capacitance of capacity cell C and heater element S, be arranged to can be with The test block of adjusting, the household electrical appliance of different size can be tested by realizing, and reached and improved being applicable in for test circuit Property.
Further, first switch K1, second switch K2 and the 3rd switch K3 may each be A.C. contactor, wherein, One switch is connected by a relay with controller 20, i.e. controller 20 is by controlling corresponding relay control coil In whether there is electric current to flow through, to control the on off state of corresponding A.C. contactor.
In addition, the test circuit of the embodiment of the present invention further includes the display and buzzer being connected with controller 20, Wherein, display can be used as human-computer interaction interface, for being shown to test content, test-types and test result, When being switched over to the on off state of each switch, then it can pass through buzzer and carry out ring prompting.
The embodiment of the present invention additionally provides a kind of test device of household electrical appliance, and the test device of the household electrical appliance includes this The test circuit for any household electrical appliance that invention the above is provided.
The embodiment of the present invention additionally provides a kind of test system of household electrical appliance, which mainly includes power supply, family Electrical appliance and test device, wherein, test device is connected between power supply and household electrical appliance, which is included in the present invention State the test circuit for any household electrical appliance that content is provided.
The embodiment of the present invention additionally provides a kind of test method of household electrical appliance, and the test method is mainly by of the invention real The test circuit for applying the household electrical appliance that the above is provided performs, the household electrical appliance provided below the embodiment of the present invention Test method is specifically introduced:
Fig. 3 is the flow chart of the test method of household electrical appliance according to embodiments of the present invention, as shown in figure 3, the test side Method mainly includes the following steps S302 and step S304:
S302:Select command is received, wherein, select command is used to determine the test branch for testing household electrical appliance, Testing branch includes at least two tests in voltge surge test branch, rush of current test branch and start-stop test branch Road, voltge surge test branch are used to carry out household electrical appliance voltge surge test, and rush of current test branch is used for family expenses Electric appliance carries out rush of current test, and start-stop test branch is used to carry out frequent start-stop test to household electrical appliance.
S304:The definite test branch of control carries out household electrical appliance the first test, and receives select command again, with right Household electrical appliance carry out the second test, wherein, the first test and the second test are different types of test.
By first controlling definite test branch to carry out a kind of test to household electrical appliance according to select command, then receive again Select command, to redefine test branch according to the select command newly received, then carries out household electrical appliance another test, Realize only need to by select command come switch test branch, compared with the prior art in need to be surveyed by replacing test equipment For the mode of examination, have the advantages that switching is faster, solve the cycle tested in the prior art household electrical appliance The problem of longer, and then shorten test period, the effect for improving testing efficiency, reducing test purchase cost.
Wherein, control definite test branch to household electrical appliance carry out first test be mainly:The definite test branch of control Road is circulated between the first state and a second state, and household electrical appliance are carried out with the first test, wherein, first state is definite survey The state that examination branch is on, the second state are in the state disconnected for definite test circuit.
It can be seen from the above description that the present invention is realized the voltge surge test of household electrical appliance, rush of current Test and frequent start-stop test integration, three kinds of test mode free switchings, have reached shortening test period, have improved test effect Rate, the effect for reducing testing cost.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions Performed in computer system, although also, show logical order in flow charts, in some cases, can be with not The order being same as herein performs shown or described step.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention be not restricted to it is any specific Hardware and software combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (9)

  1. A kind of 1. test circuit of household electrical appliance, it is characterised in that including:
    Branch combinations are tested, are had at least two in voltge surge test branch, rush of current test branch and start-stop test branch Bar tests branch;And
    Controller, with it is described test branch combinations be connected, for control it is described test branch combinations to the household electrical appliance into Row test;
    Wherein, the voltge surge test branch includes:
    First switch, first end are connected with first node, wherein, the first node for power supply first end with it is described Node between first feeder ear of household electrical appliance;
    Capacity cell, is connected between second end and the section point of the first switch, wherein, the section point is described Node between the second end of power supply and the second feeder ear of the household electrical appliance;And
    Resistance test part, is connected between the second end of the first switch and the section point,
    Wherein, the controller is connected with the control terminal of the first switch, for by controlling the logical of the first switch It is disconnected, voltge surge test is carried out to the household electrical appliance.
  2. 2. test circuit according to claim 1, it is characterised in that the capacitance of the capacity cell adjusts.
  3. 3. test circuit according to claim 1, it is characterised in that the start-stop test branch includes:
    Second switch, is connected on the current supply circuit of the household electrical appliance,
    Wherein, the controller is connected with the control terminal of the second switch, for by controlling the logical of the second switch It is disconnected, start-stop test is carried out to the household electrical appliance.
  4. 4. test circuit according to claim 1, it is characterised in that the rush of current test branch includes:
    Inductance element, is connected between the first end of power supply and the first feeder ear of the household electrical appliance;
    Heater element, is connected between first node and section point, wherein, the first node is the inductance element and institute State the node between the first feeder ear of household electrical appliance, second end and the family expenses of the section point for the power supply Node between second feeder ear of electric appliance;And
    3rd switch, is connected between the first node and the heater element,
    Wherein, the controller is connected with the control terminal of the described 3rd switch, for by controlling the logical of the 3rd switch It is disconnected, rush of current test is carried out to the household electrical appliance.
  5. 5. test circuit according to claim 4, it is characterised in that the inductance value of the inductance element adjusts, and flows through The current value of the heater element adjusts.
  6. 6. a kind of test device of household electrical appliance, it is characterised in that including the household electric any one of claim 1 to 5 The test circuit of device.
  7. A kind of 7. test system of household electrical appliance, it is characterised in that including:
    Power supply;
    Household electrical appliance;And
    Test device, is connected between the power supply and the household electrical appliance, wherein, the test device is in claim 6 The test device of the household electrical appliance.
  8. A kind of 8. test method of household electrical appliance, it is characterised in that including:
    Select command is received, wherein, the select command is used to determine the test branch for testing the household electrical appliance, institute Stating test branch includes at least two tests in voltge surge test branch, rush of current test branch and start-stop test branch Road;And
    The definite test branch of control carries out the household electrical appliance the first test, and receives the select command again, with right The household electrical appliance carry out the second test, wherein, first test and the described second test are different types of test;
    Wherein, the voltge surge test branch includes:
    First switch, first end are connected with first node, wherein, the first node for power supply first end with it is described Node between first feeder ear of household electrical appliance;
    Capacity cell, is connected between second end and the section point of the first switch, wherein, the section point is described Node between the second end of power supply and the second feeder ear of the household electrical appliance;And resistance test part, it is connected to institute State between the second end of first switch and the section point, wherein, the controller and the control terminal phase of the first switch The household electrical appliance for the break-make by controlling the first switch, are carried out voltge surge test by connection.
  9. 9. test method according to claim 8, it is characterised in that control definite test branch to the household electrical appliance Carrying out the first test includes:
    The definite test branch of control circulates between the first state and a second state, and described first is carried out to the household electrical appliance Test, wherein, the state that the first state is on for definite test branch, second state is definite test Circuit is in the state disconnected.
CN201310728873.XA 2013-12-24 2013-12-24 Testing method, circuit, device and system for household appliances Active CN104730371B (en)

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Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
CN106707771A (en) * 2015-11-12 2017-05-24 丰唐物联技术(深圳)有限公司 Test method and system for intelligent appliance
CN106771725A (en) * 2016-12-02 2017-05-31 上海华测导航技术股份有限公司 The test system of a kind of electronic equipment
CN107255788B (en) * 2017-04-18 2021-02-02 广东浪潮大数据研究有限公司 Power supply on-off impact test method and system and intelligent socket

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2462393Y (en) * 2000-12-26 2001-11-28 广州擎天实业有限公司电工分公司 Logic controller for general safety combination detection of household electrical appliance
CN1815249A (en) * 2005-02-02 2006-08-09 广东工业大学 Home appliance safety property combined measuring device
CN201819974U (en) * 2010-09-14 2011-05-04 上海电机系统节能工程技术研究中心有限公司 Comprehensive electrical performance test instrument for three-phase motor stator
CN203630252U (en) * 2013-12-24 2014-06-04 珠海格力电器股份有限公司 test circuit, device and system of household appliance

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2114822B1 (en) * 1996-06-21 1999-02-16 Incaelec S L ASSEMBLY AND TEST SYSTEM OF FUNCTIONAL SETS FOR APPLIANCES.
EP0881502A2 (en) * 1997-05-28 1998-12-02 Alvastone Computer Consultans Limited Device for testing safety and functionality of electrical apparatus
CN2909280Y (en) * 2006-04-28 2007-06-06 李辉 Safety property all-purpose tester
JP5508104B2 (en) * 2010-04-13 2014-05-28 日本電信電話株式会社 Surge test circuit
CN202600059U (en) * 2012-03-30 2012-12-12 常州金鼎电器有限公司 A charger testing combinational circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2462393Y (en) * 2000-12-26 2001-11-28 广州擎天实业有限公司电工分公司 Logic controller for general safety combination detection of household electrical appliance
CN1815249A (en) * 2005-02-02 2006-08-09 广东工业大学 Home appliance safety property combined measuring device
CN201819974U (en) * 2010-09-14 2011-05-04 上海电机系统节能工程技术研究中心有限公司 Comprehensive electrical performance test instrument for three-phase motor stator
CN203630252U (en) * 2013-12-24 2014-06-04 珠海格力电器股份有限公司 test circuit, device and system of household appliance

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