CN104515924B - Testing device and testing method thereof - Google Patents
Testing device and testing method thereof Download PDFInfo
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- CN104515924B CN104515924B CN201310461127.9A CN201310461127A CN104515924B CN 104515924 B CN104515924 B CN 104515924B CN 201310461127 A CN201310461127 A CN 201310461127A CN 104515924 B CN104515924 B CN 104515924B
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- 238000012360 testing method Methods 0.000 title claims abstract description 97
- 238000010998 test method Methods 0.000 claims abstract description 11
- 230000001012 protector Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention provides a testing device, which comprises a shell assembly and a testing part arranged on the shell assembly; the test component comprises a main control board, an alternating current sensor, a relay and a socket, wherein the input end of the socket is connected with a switch end of the relay in series and is connected with a peripheral power supply, the output end of the socket is used for connecting a tested load, a coil of the relay is electrically connected with the main control board, the alternating current sensor is arranged at the input end of the socket and is electrically connected with the main control board, and when the current passing through the socket is higher than the set current, the main control board controls the relay to be disconnected. A test method is also disclosed. The testing device disclosed by the invention is simple in structure, and can be used for detecting only by plugging the power plug of the tested dehumidifying machine into the socket, so that the testing efficiency is improved; the test method is simple to operate, the on-off of the relay is controlled by comparing the current on the socket detected by the alternating current sensor with the preset current, the test consistency is ensured, and the test accuracy is improved.
Description
Technical field
The present invention relates to test fixture technical field, more particularly to a kind of test device and its method of testing.
Background technology
Because plate-inserting structure is identical, the situation for wrong line occur, example are tended in the inside patch cord of household appliances
Such as dehumidifier, the power line of compressor is likely to occur when patch cord with power firestreak directly to inserting, this kind of false wiring
Phenomenon can not prevent, it is therefore desirable to commodity inspection test room tested by a tester for more machines, work as appearance
During false wiring state status, tester can only differentiate whether compressor starts to carry out judging whether wrong plug pressure by sound
The power line of contracting machine, this detection mode, judging efficiency is low, accuracy is poor.Particularly with using refrigerant R290 dehumidifier,
R290 refrigerants are inflammable and explosive, and when the compressor of false wiring directly initiates, plug sparking has potential safety hazard.
The content of the invention
In view of the present situation of existing detection mode, it is an object of the invention to provide a kind of test device and its method of testing,
Its testing efficiency is high, accuracy is high.To achieve the above object, technical scheme is as follows：
A kind of test device, including housing unit and the test component that is arranged on the housing unit；
The test component includes master control borad, AC current sensor, relay and socket, the input string of the socket
Join the switch terminals connection external power of the relay, the output end of the socket is used to connect tested load, the relay
The coil of device electrically connects with the master control borad；
The AC current sensor is arranged on the input of the socket, the AC current sensor and the master control
Plate electrically connects, and when being higher than setting electric current by the electric current of the socket, the master control borad controls the relay to disconnect.
In one of the embodiments, the test component also includes the first indicator lamp and the second indicator lamp；
It is provided with the housing unit corresponding with first indicator lamp and second indicator lamp first logical respectively
Hole；
First indicator lamp and the second indicator lamp are electrically connected with the master control borad respectively, and first indicator lamp is bright to be used for
It is lit when the relay turns on, second indicator lamp is used to be lit when the relay disconnects.
In one of the embodiments, first indicator lamp is green light, and second indicator lamp is red light.
In one of the embodiments, the test device also includes buzzer, the buzzer and the described second instruction
Lamp is in parallel.
In one of the embodiments, the second through hole corresponding with the socket, institute are additionally provided with the housing unit
State socket and be embedded in second through hole.
In one of the embodiments, the test component also includes display board；
The display board electrically connects with the master control borad, for showing test mode；
The third through-hole corresponding with the display board is also set up on the housing unit, is provided with the third through-hole
Transparent panel.
In one of the embodiments, the test component also includes overcurrent protector；
The overcurrent protector is connected between the external power and the relay.
In one of the embodiments, the test component also includes potential device, and the input of the potential device connects
The external power is connect, the output end of the potential device connects the master control borad.
In one of the embodiments, the potential device is transformer or Switching Power Supply, the AC current sensor
For transformer.
In one of the embodiments, the housing unit include bonnet and be located at it is described after the housing that covers.
A kind of method of testing of test device is further related to, the test device fills for the test of any of the above-described technical scheme
Put, comprise the following steps：
S1, the test parameter of test device is set；
S2, tested load is connected to the output end of the socket；
S3, test device to the actual current by the socket compared with setting electric current, if actual current is less than
Or equal to setting electric current, then the relay is failure to actuate, it is tested that load is qualified, and otherwise, the relay disconnects, is tested negative
Carry unqualified, be completed.
The beneficial effects of the invention are as follows：
The test device of the present invention, it is simple in construction, the attaching plug of tested load need to be only plugged on socket
Detected, improve testing efficiency, method of testing is simple to operate, the electricity on socket detected by AC current sensor
Stream relatively carrys out the break-make of control relay compared with default electric current, completes the test to power termination, ensure that the consistent of test
Property, improve the accuracy of test.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of test device one of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples, with
Exemplified by detecting dehumidifier, the test device and its method of testing of the present invention are further elaborated.It should be appreciated that herein
Described specific embodiment only to explain the present invention, do not limit test device described in the invention be used for detect dehumidifying
Machine, it can be used for detecting other power terminations.
As shown in figure 1, the present invention the embodiment of test device one include housing 1, transparent panel 2, external power 3, bonnet 4,
Support 5, transformer 6, relay 7, socket 8, overcurrent protector 9, master control borad 10, pillar 11, display board 12, indicator lamp 13, press
Button 14 and AC current sensor.Wherein, housing 1 is located on bonnet 4, and bonnet 4 is engaged to form housing unit with housing 1,
Housing unit is box body, and all parts are encapsulated in box body, realizes fire prevention and the security protection of electrical equipment.Master control borad
10th, AC current sensor, relay 7 and the socket 8 for connecting tested load are arranged on bonnet 4.The input of socket 8
Hold the switch terminals connection external power 3 of SRE 7, the tested load of output end connection of socket 8, the coil of relay 7
It is connected with master control borad 10.AC current sensor is transformer, is arranged on the input of socket 8, is connected with master control borad 10,
For detecting the electric current by socket 8.When electric current on by socket 8 is more than setting electric current, the control relay 7 of master control borad 10
Disconnect.
By the electric current in AC current sensor test socket, then compared with default electric current so that master control borad
Test is realized in the disconnection of control relay, be ensure that the uniformity of test, is improved the accuracy of test, it is hidden to reduce quality
Suffer from；Only need tested dehumidifier being plugged on socket 8 in test process, can be directly perceived by display board and indicator lamp
Judgement, eliminate employee's hearing judgement when consume, improve testing efficiency.
It is preferred that as a kind of embodiment, test component also includes indicator lamp 13, and the quantity of indicator lamp 13 is two
It is individual, respectively the first indicator lamp and the second indicator lamp, it is provided with first through hole 15, the number of first through hole 15 accordingly on housing
Amount is also two, corresponding with the first indicator lamp and the second indicator lamp respectively.First indicator lamp and the second indicator lamp respectively with master
Control plate 10 electrically connects, and when relay 7 turns on, master control borad 10 controls the first indicator lamp bright, when relay 7 disconnects, master control borad
10 the second indicator lamps of control are bright.First indicator lamp is green light, and the second indicator lamp is red light.Preferably, the second indicator lamp is also in parallel
Buzzer, when the wiring error of tested dehumidifier, the electric current by socket 8 that AC current sensor detects, which is more than, to be set
Fixed electric current, master control borad control relay 7 disconnect, and ensure that the security of test process, while the second indicator lamp is bright and honeybee
The device that rings is alarmed, and only test man does not provide visualizing judgement, additionally provides sense of hearing judgement.So cause when test dehumidifier connects
During line mistake, test man can timely pinpoint the problems, and improve the accuracy and testing efficiency of test.When tested dehumidifier
Wiring it is correct when, master control borad control relay conducting, the first indicator lamp is bright, for test man provide visualizing judgement.
It is preferred that as a kind of embodiment, second through hole 16 corresponding with socket 8 is additionally provided with housing 1, and
Socket 8 is embedded in the second through hole 16.Socket 8 is so caused to be exposed at outside, the connection of convenient tested dehumidifier；Meanwhile
Socket is embedded in the second through hole 16 of housing so that socket 8 is not easy to rock, fixation.
Display board 12 electrically connects with master control borad 10, for showing the relevant parameter in test mode and test process.In shell
Third through-hole 17 is provided with body 1 accordingly, and transparent panel 2 is provided with third through-hole 17, the transparent panel is aobvious for protecting
Show plate 12.The shapes and sizes of transparent panel 2 and the shapes and sizes of third through-hole 17 are adapted, convenient installation.
Overcurrent protector 9 is arranged on support 5, and the overcurrent protector 9 is connected between external power 3 and relay 7,
For realizing the automatic disconnection of socket 8 and external power 3.When the wiring error of tested dehumidifier, pass through the electric current of socket 8
More than the electric current of overcurrent protector, now overcurrent protector disconnects automatically, so that external power disconnects automatically, realizes dual
Protection, improve the security of test process.
Preferably, the input of transformer 6 is connected with external power 3, for 220V supply voltage to be converted into 12V
Voltage.The output end of transformer 6 electrically connects with master control borad 10, for being powered for master control borad 10, display board 12 and indicator lamp 13.
Pass through the voltage conversion of transformer so that the relatively low component of the rated voltage such as master control borad, display board and indicator lamp can be normal
Work.If not carrying out voltage conversion by transformer, the less element of the rated voltage such as master control borad and display board may be by
Burn out, and influence the use of test device.Certainly, transformer herein can also be other potential devices such as Switching Power Supply.
Button 14 abuts with the button on master control borad 10, is provided with fourth hole accordingly on housing 1, and button 14 runs through
Fourth hole.Button 14 is used for the relevant parameter for setting test process, and the relevant parameter of the test process is that tested dehumidifier connects
Parameter when line is correct, and the parameter changes according to the model difference of tested dehumidifier.In the present embodiment, button 14 is common
There are three, be respectively used to setting electric current value, magnitude of voltage and performance number.More preferably, pillar 11 is provided with master control borad 10, for controlling
The relative gap of master control borad 1 processed and housing 1.Due to being provided with a variety of components on master control borad 10, if being directly in contact with housing 1
The damage of component may be caused, by setting pillar 11 so that certain gap between master control borad 10 and housing 1 be present, protect
The component protected on master control borad is not damaged by.
In use, the relevant parameter of the setting test process of button 14 is first passed through according to the different model of tested dehumidifier.
Such as the R290 dehumidifiers that tested dehumidifier is 10L, when wiring is correct, under holding state voltage be 220V, electric current be
15.24mA, power 0.391W.Thus, be respectively magnitude of voltage 220V by the relevant parameter of three buttons setting test process,
Current value 15.24mA, performance number 0.391W, and above parameter is shown on the display panel.Then tested dehumidifier is plugged on
On socket 8, you can the electric current by socket 8 is read by display board 12, when being less than the electric current of setting by the electric current of socket 8,
Master control borad control relay turns on, then the first indicator lamp is bright, shows that the wiring of the tested dehumidifier is correct.When passing through socket 8
Electric current when being more than the electric current of setting, master control borad control relay disconnects, then the second indicator lamp is bright and buzzer warning, shows
The wiring error of the test machine.
The method of testing of above-mentioned test device comprises the following steps：
S1, the test parameter of test device is set；
S2, tested dehumidifier is connected to the output end of socket 8；
S3, test device to the actual current by socket 8 compared with setting electric current, if actual current is less than or waited
In setting electric current, then the relay 7 is failure to actuate, and is tested that dehumidifier is qualified, and otherwise, relay 7 disconnects, and is tested dehumidifier
It is unqualified, it is completed.
Only the attaching plug of tested dehumidifying machine need to be plugged on socket 8 and can be detected in test, due to
The dehumidifier of wrong compressor power line compressor when upper electric will start so that electric current can be more than normal Standby on socket 8
When electric current, according to the size of the electric current of socket 8 judge indirectly dehumidifier compressor whether wrong line.
The test device of above example, simple in construction, the electric current on socket detected by AC current sensor
Relatively carry out the break-make of control relay compared with default electric current, complete to dehumidifier whether the test of wrong compressor power line；
Its method of testing, it is simple to operate, the uniformity of test is ensure that, improves the accuracy of test.Pass through display board and indicator lamp
Can intuitively judge, eliminate employee's hearing judgement when consume, improve testing efficiency.It is in addition, pressure-resistant outside commodity inspection room
Test post the test device can be used to be detected, and avoids when confined space is tested in commodity inspection room and R290 refrigeration be present
The potential safety hazard of agent leakage.And for there is the tested dehumidifier of false wiring, test device can be realized and automatically powered off,
It ensure that the security of test process.Test device in above example can be used for the detection to other power terminations,
Such as it can be used for detecting other power terminations such as water dispenser, air conditioner.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of test device, it is characterised in that whether the wiring for detecting tested load is correct；
Including housing unit and the test component being arranged on the housing unit；
The test component includes master control borad, display board, AC current sensor, relay, overcurrent protector and socket, described
The switch terminals connection external power of the input series connection relay of socket, the output end of the socket are tested for connecting
Load, the coil of the relay electrically connect with the master control borad；The overcurrent protector is connected on the external power and institute
State between relay；
The AC current sensor is arranged on the input of the socket, the AC current sensor and master control borad electricity
Connection, when being higher than setting electric current by the electric current of the socket, the master control borad controls the relay to disconnect；Inserted when described
When the electric current of seat is less than the setting electric current, the master control borad controls the relay conducting；Wherein, the setting electric current is institute
State tested load wiring it is correct when by the electric current of the socket；
The display board electrically connects with the master control borad, for showing test mode.
2. test device according to claim 1, it is characterised in that：
The test component also includes the first indicator lamp and the second indicator lamp；
First through hole corresponding with first indicator lamp and second indicator lamp respectively is provided with the housing unit；
First indicator lamp and the second indicator lamp electrically connect with the master control borad respectively, and first indicator lamp is used for when described
Relay is lit when turning on, and second indicator lamp is used to be lit when the relay disconnects.
3. test device according to claim 2, it is characterised in that：
First indicator lamp is green light, and second indicator lamp is red light.
4. test device according to claim 2, it is characterised in that：
Also include buzzer, the buzzer is in parallel with second indicator lamp.
5. test device according to claim 2, it is characterised in that：
The second through hole corresponding with the socket is additionally provided with the housing unit, the socket is embedded in second through hole.
6. test device according to claim 2, it is characterised in that：
The third through-hole corresponding with the display board is also set up on the housing unit, is provided with the third through-hole transparent
Plate.
7. according to the test device described in claim any one of 1-6, it is characterised in that：
The test component also includes potential device, and the input of the potential device connects the external power, the transformation
The output end of device connects the master control borad.
8. test device according to claim 7, it is characterised in that：
The potential device is transformer or Switching Power Supply, and the AC current sensor is transformer.
9. according to the test device described in claim any one of 1-6, it is characterised in that：
The housing unit include bonnet and be located at it is described after the housing that covers.
10. a kind of method of testing of test device, the test device is the test device described in claim any one of 1-9,
It is characterised in that it includes following steps：
S1, the test parameter of test device is set；
S2, tested load is connected to the output end of the socket；
S3, test device to the actual current by the socket compared with setting electric current, if actual current is less than or waited
In setting electric current, then the relay is failure to actuate, and is tested that load is qualified, and otherwise, the relay disconnects, and is tested load not
It is qualified, it is completed；
Wherein, the setting electric current is by the electric current of the socket when the tested load wiring is correct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310461127.9A CN104515924B (en) | 2013-09-30 | 2013-09-30 | Testing device and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310461127.9A CN104515924B (en) | 2013-09-30 | 2013-09-30 | Testing device and testing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104515924A CN104515924A (en) | 2015-04-15 |
| CN104515924B true CN104515924B (en) | 2018-02-13 |
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ID=52791532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310461127.9A Expired - Fee Related CN104515924B (en) | 2013-09-30 | 2013-09-30 | Testing device and testing method thereof |
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| CN (1) | CN104515924B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594981B (en) * | 2016-11-30 | 2019-02-22 | 宁波奥克斯电气股份有限公司 | The heat detector of double-compressor air-conditioning system wrong anti-detection and selfreparing control method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7528507B2 (en) * | 2006-08-24 | 2009-05-05 | Anthony Carson | Current sensing load demand apparatus and methods |
| CN101299149A (en) * | 2008-04-29 | 2008-11-05 | 宁波思特机电有限公司 | Electric appliance standby energy-saving apparatus |
| CN202330602U (en) * | 2011-12-07 | 2012-07-11 | 东莞龙杰电子有限公司 | Wire rod load test device |
| CN203164221U (en) * | 2013-03-27 | 2013-08-28 | 深圳市世标检测有限公司 | Testing device with protection effects |
| CN203490319U (en) * | 2013-09-30 | 2014-03-19 | 珠海格力电器股份有限公司 | Testing device |
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2013
- 2013-09-30 CN CN201310461127.9A patent/CN104515924B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104515924A (en) | 2015-04-15 |
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Granted publication date: 20180213 |