CN109212372A - A kind of overcurrent protector automatic test approach, system and device - Google Patents
A kind of overcurrent protector automatic test approach, system and device Download PDFInfo
- Publication number
- CN109212372A CN109212372A CN201811313311.8A CN201811313311A CN109212372A CN 109212372 A CN109212372 A CN 109212372A CN 201811313311 A CN201811313311 A CN 201811313311A CN 109212372 A CN109212372 A CN 109212372A
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- overcurrent
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- overcurrent protector
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- 238000012360 testing method Methods 0.000 title claims abstract description 103
- 230000001012 protector Effects 0.000 title claims abstract description 96
- 238000013459 approach Methods 0.000 title claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 230000002159 abnormal effect Effects 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 14
- 238000004804 winding Methods 0.000 abstract description 10
- 208000013935 Electric injury Diseases 0.000 abstract description 9
- 238000007689 inspection Methods 0.000 abstract description 8
- 238000011017 operating method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
Abstract
The invention discloses a kind of overcurrent protector automatic test approach, system and devices.This method inputs analog current to the overcurrent coil of overcurrent protector, by monitoring the output voltage and/or action situation of each overcurrent element of overcurrent protector, judges whether overcurrent protector is abnormal.The present invention is driven by analog current, realizes the automatic monitoring of parameters in entire test process.Trigger winding movement is carried out by inputting analog current to overcurrent coil pin, it is inconvenient to solve manual test bring, the risk of operation is prevented, also coil sparking can be effectively prevent to generate electric injury controller, controller can effectively be improved to cross electric injury, prevent situations such as missing inspection, maloperation, while improving testing efficiency.Test point increases much compared to manual test, greatly optimizes operating procedure, improves testing efficiency, it is ensured that test product 100% is qualified.
Description
Technical field
The present invention relates to a kind of overcurrent protector automatic test approach, system and device, in particular to a kind of air-conditioning overcurrent
Automatic test approach, system and the device of protector.
Background technique
Currently, overcurrent protector uses manual test, inspector passes through current transformer by conducting wire, logical to overcurrent coil
Forceful electric power is by sparking to which trigger winding generates overcurrent, trigger protection device comparable chip movement, simultaneously it is also possible to because pressure stabilizing
Block is wrong and causes to test uncontrollable.
The patent of invention of Publication No. CN102313848A discloses a kind of detecting device for overcurrent protector, including overcurrent is protected
Device circuit is protected, which includes AC terminal, and the AC terminal is sequentially connected in series power supply and stirs master switch, pressure regulator and change
The secondary coil of the primary coil of depressor, the transformer connects rectifier, the output end parallel connection direct voltage of the rectifier
Table, and it is sequentially connected in series A.C. contactor switch, DC ammeter, test jack and adjustable resistance, the A.C. contactor switch
It is stirred with the power supply and is also connected with floor push between master switch.But the unresolved test safety problem of the detection device, it surveys
Examination process not smart enoughization.
The patent of invention of Publication No. CN103792445A discloses a kind of full intelligent electric power overcurrent protector tester, including
Industrial personal computer carries out the two-way function/arbitrary waveform generator being electrically connected, more relay control modules, letter with the industrial personal computer respectively
Number feedback module, digital multimeter, and the power supply module for modules power supply；Function/arbitrary waveform generator is all the way
Signal output end is directly electrically connected a corresponding signal input terminal of more relay control modules, and another way signal output end is via function
Rate operational amplification circuit is electrically connected another corresponding signal input terminal of more relay control modules；More relay control modules are equipped with
Two paths of signals output end is electrically connected on signal feedback module and the signal input part of digital multimeter, more relay controls
Module is equipped with the test interface being electrically connected for test product.But the unresolved test safety problem of the detection device, it tested
Journey not smart enoughization.
Summary of the invention
For present in existing overcurrent protector manual testing method, test process is dangerous, and testing efficiency is low, test
As a result insecure problem, the present invention provide a kind of overcurrent protector automatic test approach, system and device.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme:
The present invention provides a kind of overcurrent protector automatic test approach, to the overcurrent coil input simulation electricity of overcurrent protector
Stream judges whether overcurrent protector is different by monitoring the output voltage and/or action situation of each overcurrent element of overcurrent protector
Often.
Further, including overcurrent coil and/or current transformer and/or regulator block and/or comparator and/or relay
Device.
Further, when the output voltage of the overcurrent coil is less than 4.3V, sentence breaking protector exception；When described
When the output voltage of current transformer is less than 4.3V, breaking protector exception is sentenced；When the output voltage of the regulator block is less than
11.5V or be greater than 12.5V when, sentence breaking protector exception；When the output voltage of the comparator is less than 4.3V or compares
When device is failure to actuate, breaking protector exception is sentenced；When the relay is failure to actuate, breaking protector exception is sentenced.
Further, when judging overcurrent protector exception, warning note is carried out.
Further, overcurrent protector to be measured is 1,2 or multiple, more when overcurrent protector to be measured is multiple
A overcurrent protector is detected simultaneously.
The present invention also provides a kind of overcurrent protector Auto-Test Systems, comprising:
Drive module, for driving flowing plate to move, so that flowing plate be made to be connected with logic judgment module；
Flowing plate is crossed, overcurrent element is provided with, flowing plate is crossed and is moved under drive module driving；
Logic judgment module for inputting analog current to overcurrent coil, and monitors the output voltage of each overcurrent element
And/or action situation, judge whether overcurrent protector is abnormal；
Cue module, for each overcurrent element output voltage values and/or action situation prompt, the side of prompt
Formula includes display interface and/or sound-light alarm.
Further, the stream protector Auto-Test System further include:
Press module, for pushing flowing plate to move under the driving of drive module.
The present invention also provides a kind of overcurrent protector automatic testing equipments, including base device, driving device, prompt dress
It sets, logic judgment device is provided in the base device, the driving device is set to the top of base device, mistake to be detected
Stream protector moves under the driving of the driving device, so that overcurrent protector to be detected is connected with logic judgment device, mentions
Showing device is connected with logic judgment device, by suggestion device to the output voltage values of each overcurrent element and/or movement feelings
Condition is prompted.
Further, it is provided between the overcurrent protector to be detected and logic judgment device including several thimbles
Needle bed.
Further, the mistake flowing plate lower surface of overcurrent protector is provided with pallet, and there are for avoiding on the pallet
The avoid holes of thimble.
Further, the suggestion device is display interface and/or acoustic-optic alarm.
Further, it is connected with a day disk in the driving device, is provided with several pressure bars on the day disk.
Further, the driving device is cylinder.
The invention has the following beneficial effects:
It eliminates original manual test and leads to forceful electric power by sparking to which trigger winding generates overcurrent triggering to overcurrent coil
The operating method of protector comparable chip movement, is driven by analog current, realize parameters in entire test process from
Dynamic monitoring.By to overcurrent coil pin input analog current carry out trigger winding movement, thus solve in manual test to
The logical forceful electric power of overcurrent coil is inconvenient brought by the mode of overcurrent to which trigger winding generates by sparking, solves operation
Risk, be also prevented from coil sparking generated electric injury controller.Controller can effectively be improved to cross electric injury, prevent to leak
Situations such as inspection, maloperation, while improving testing efficiency.
Overcurrent protector is tested automatically, and test point increases much compared to manual test, greatly optimizes operating procedure,
Cumbersome manual operation has been switched into automatic test, has prevented defective products process caused by inspector's maloperation, has improved and surveys
It tries efficiency simultaneously and can guarantee that test product 100% is qualified.
Individual plates can be achieved from testing efficiency and save testing time 3S by the present invention, and efficiency improves 30%；In safety operation
Aspect can prevent to contact forceful electric power, prevent to generate sparking electric current, substantially increase safe operation；It will be tested at the reliable aspect of test
Content more sectionalization, test terminate i.e. display test result, prevent employee's missing inspection；The optimal inspection significantly in terms of test mode
Process operates simpler.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of overcurrent protector automatic testing equipment；
Fig. 2 is the schematic diagram of overcurrent protector Auto-Test System；
Fig. 3 is the flow chart of overcurrent protector automatic test approach；
Fig. 4 is display interface exemplary diagram.
Marked in the figure: 1, overcurrent element；2, thimble is flowed into；3, thimble is flowed out；4, cylinder button；5, power switch；6, gas
Cylinder；7, bracket；8, day disk；9, pressure bar；10, flowing plate is crossed；11, spring；12, display screen；13, stop button.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
For present in existing overcurrent protector manual testing method, test process is dangerous, and testing efficiency is low, test
As a result insecure problem, the present invention provide a kind of overcurrent protector automatic test approach, system and device.The present invention is to overcurrent
The overcurrent coil of protector inputs analog current, by monitoring the output voltage of each overcurrent element of overcurrent protector and/or moving
Make situation, judges whether overcurrent protector is abnormal.
The present invention is driven by analog current, realizes the automatic monitoring of parameters in entire test process.By to mistake
It flows coil pin input analog current and carries out trigger winding movement, so that it is inconvenient to solve manual test bring, prevent
The risk of operation can also effectively prevent coil sparking to generate electric injury controller, can effectively improve controller mistake
Electric injury prevents situations such as missing inspection, maloperation, while improving testing efficiency.
Embodiment one
The present embodiment provides a kind of overcurrent protector automatic testing equipments as shown in Figure 1.
The overcurrent protector automatic testing equipment of the present embodiment includes:
Base device: being provided with power switch 5, cylinder button 4, stop button 13 and display screen 12 on base device, electricity
The power supply that source switch 5 is used to control whole device is cut-off, and cylinder button 4 is for starting cylinder, and stop button 13 is for making cylinder
It stops working, display screen 12 is for showing test result information.Logic judgment module is additionally provided in base device (not show in figure
Show), for inputting analog current to overcurrent coil, and the output voltage and/or action situation of each overcurrent element are monitored, judged
Whether overcurrent protector is abnormal.
Driving device: the present embodiment selects pneumatic mode driving, i.e., cylinder 6, the piston cylinder of cylinder 6 are installed on bracket 7
It is fixed on bracket 7, bracket 7 is fixed on base device, and the piston rod end of cylinder 6 is connected with day disk 8, is arranged on day disk 8
There are several pressure bars 9, one end of pressure bar 9 is fixed on day disk 8, and the other end extends downwardly, and the length of pressure bar 9 is identical.
Overcurrent protector to be detected: overcurrent protector to be detected included flowing plate 10 and overcurrent element 1, and overcurrent element 1
According to test, it needs to be determined that, overcurrent element 1 generally comprises overcurrent coil, current transformer (including TD1 pin and TD2 pin), steady
One of briquetting, comparator or relay are a variety of.
Suggestion device: suggestion device is connected with logic judgment device, by suggestion device to the defeated of each overcurrent element
Voltage value and/or action situation are prompted out.For example, suggestion device can be the display screen 12 on above-mentioned base device, or
Person has the device of sound and light of alarm.Fig. 4 is a kind of example of display interface.
Preferably, it crosses between flowing plate 10 and logic judgment device and needle bed is set, several tops are set as needed on needle bed
Needle, the thimble include the inflow thimble 2 with signal input function and the outflow thimble 3 with signal output function.
Optionally, pallet (not shown), the pallet can also be arranged in 10 lower surface of mistake flowing plate of overcurrent protector
On there are the avoid holes for avoiding thimble.Pallet can use bakelite material.Probe and silk-screen line can be effectively prevented in pallet
It directly contacts and scratches silk-screen line.
Embodiment two
The present embodiment provides a kind of overcurrent protector Auto-Test Systems as shown in Figure 2.
The overcurrent protector Auto-Test System of the present embodiment includes:
Drive module, for driving flowing plate to move, so that flowing plate be made to be connected with logic judgment module；
Flowing plate is crossed, overcurrent element is provided with, flowing plate is crossed and is moved under drive module driving；
Logic judgment module for inputting analog current to overcurrent coil, and monitors the output voltage of each overcurrent element
And/or action situation, judge whether overcurrent protector is abnormal；
Cue module, for each overcurrent element output voltage values and/or action situation prompt, the side of prompt
Formula includes display interface and/or sound-light alarm.
Optionally, which further includes pressure module, for pushing away under the driving of drive module
Moved flowing plate movement.
Embodiment three
The present embodiment provides a kind of overcurrent protector automatic test approach.
The overcurrent protector automatic test approach of the present embodiment are as follows: to the overcurrent coil input simulation electricity of overcurrent protector
Stream judges whether overcurrent protector is different by monitoring the output voltage and/or action situation of each overcurrent element of overcurrent protector
Often.
The overcurrent element of this method test includes overcurrent coil and/or current transformer and/or regulator block and/or comparator
And/or relay.
When the output voltage of the overcurrent coil is less than 4.3V, breaking protector exception is sentenced；When the current transformer
Output voltage be less than 4.3V when, sentence breaking protector exception；When the output voltage of the regulator block is less than 11.5V or is greater than
When 12.5V, breaking protector exception is sentenced；When the output voltage of the comparator is less than 4.3V or comparator is failure to actuate, sentence
Breaking protector is abnormal；When the relay is failure to actuate, breaking protector exception is sentenced.
Preferably, when judging overcurrent protector exception, warning note is carried out.
Overcurrent protector to be measured is 1,2 or multiple, when overcurrent protector to be measured is multiple, multiple overcurrent protectors
It can be detected simultaneously.
By powering on and power down waveform being steady to coming to test the whole waveform monitoring of entire test process progress automatically,
Impulse- free robustness and electric arc pulse are abnormal, monitor regulator block during the test and export 12V, TD1, TD2 voltage condition, comparator, after
The action situations such as electric appliance compare manual test, are crossing electroanalysis, details monitoring, improved efficiency, quality controllable, safe and efficient etc.
Aspect is greatly improved.Overcurrent protector is tested automatically, and test point increases much compared to manual test, is greatly optimized
Operating procedure, has switched to automatic test for cumbersome manual operation, has prevented defective products caused by inspector's maloperation
Process improves testing efficiency simultaneously and can guarantee that test product 100% is qualified.
Automatic test philosophy of the invention is such as are as follows: overcurrent plate is pushed in place by cylinder, and triggering GND current potential useful signal is certainly
Dynamic to power on, then coil analog current exports by TD1, TD2, while monitoring regulator block effective, the coil voltage that exports 11.5-12.5V
4.3V, the effective actions such as comparator, relay then lock cylinder and are alarmed, can effectively be improved if there is an abnormal parameters
Controller crosses electric injury, prevents situations such as missing inspection, maloperation while improving testing efficiency.
As Fig. 3 shows a kind of specific operating method.Operating procedure answer includes: to put plate-starting pressing plate-test to close
Lattice it is unqualified-take plate.Manually automatic implementation process comparative situation be as follows:
Individual plates can be achieved from testing efficiency and save testing time 3S by the present invention, and efficiency improves 30%；In safety operation
Aspect can prevent to contact forceful electric power, prevent to generate sparking electric current, substantially increase safe operation；It will be tested at the reliable aspect of test
Content more sectionalization, test save i.e. display test result (OK clearance, NG locking alarm), prevent employee's missing inspection；It is testing
Optimal inspection process, operation are simpler significantly in terms of mode.
1, test coverage and the survey of corresponding product can be improved in the automatic test that all overcurrent protective devices may be implemented
Try efficiency.
Pass through experimental verification, it can be seen that the present invention includes
1, coil over-current signal output, control and operational safety: by overcurrent coil pin input analog current into
Row trigger winding movement, so that solving manual test (leads to forceful electric power by sparking to which trigger winding generated to overcurrent coil
Electric current) employee is inconvenient, solves the risk of operation, and it is also prevented from coil sparking and generated electric injury controller.
2, power supply wave shape signal and test process mistake proofing, leakproof reliability: by entirely testing the test automatically that comes
The monitoring of Cheng Jinhang whole process waveform, powers on and power down waveform is steady, and impulse- free robustness and electric arc pulse are abnormal, monitors during the test
Regulator block exports 12V, TD1, TD2 voltage condition, and the action situations such as comparator, relay compare manual test, in electricity point excessively
Analysis, details monitoring, improved efficiency, quality controllable, safe and efficient etc. are greatly improved.
In conclusion the present invention, which has eliminated original manual test, (leads to forceful electric power by sparking to trigger to overcurrent coil
Coil generates the movement of overcurrent trigger protection device comparable chip), analog current driving is carried out by thimble, realization was entirely tested
The automatic monitoring of parameters in journey.Trigger winding movement is carried out by inputting analog current to overcurrent coil pin, to solve
Manual test (leading to forceful electric power by sparking to which trigger winding generates overcurrent to the overcurrent coil) employee that determined is inconvenient, solves
The risk of operation is also prevented from coil sparking and generated electric injury controller.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.It is all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (13)
1. a kind of overcurrent protector automatic test approach, which is characterized in that the overcurrent coil input simulation electricity of overcurrent protector
Stream judges whether overcurrent protector is different by monitoring the output voltage and/or action situation of each overcurrent element of overcurrent protector
Often.
2. overcurrent protector automatic test approach according to claim 1, which is characterized in that the overcurrent element included
Streamline circle and/or current transformer and/or regulator block and/or comparator and/or relay.
3. overcurrent protector automatic test approach according to claim 2, which is characterized in that
When the output voltage of the overcurrent coil is less than 4.3V, breaking protector exception is sentenced；It is defeated when the current transformer
When voltage is less than 4.3V out, breaking protector exception is sentenced；When the output voltage of the regulator block is less than 11.5V or is greater than
When 12.5V, breaking protector exception is sentenced；When the output voltage of the comparator is less than 4.3V or comparator is failure to actuate, sentence
Breaking protector is abnormal；When the relay is failure to actuate, breaking protector exception is sentenced.
4. overcurrent protector automatic test approach according to claim 1, which is characterized in that when judging that overcurrent protector is different
Chang Shi carries out warning note.
5. overcurrent protector automatic test approach according to claim 1, which is characterized in that overcurrent protector to be measured is 1
It is a, 2 or multiple, when overcurrent protector to be measured be it is multiple when, multiple overcurrent protectors are detected simultaneously.
6. a kind of overcurrent protector Auto-Test System characterized by comprising
Drive module, for driving flowing plate to move, so that flowing plate be made to be connected with logic judgment module；
Flowing plate is crossed, overcurrent element is provided with, flowing plate is crossed and is moved under drive module driving；
Logic judgment module, for overcurrent coil input analog current, and monitor each overcurrent element output voltage and/or
Action situation judges whether overcurrent protector is abnormal；
Cue module, for each overcurrent element output voltage values and/or action situation prompt, the mode packet of prompt
Include display interface and/or sound-light alarm.
7. according to a kind of overcurrent protector Auto-Test System of claim 6 institute, which is characterized in that further include:
Press module, for pushing flowing plate to move under the driving of drive module.
8. a kind of overcurrent protector automatic testing equipment, it is characterised in that: including base device, driving device, suggestion device, institute
It states and is provided with logic judgment device in base device, the driving device is set to the top of base device, and overcurrent to be detected is protected
Shield device moves under the driving of the driving device, and overcurrent protector to be detected is made to be connected with logic judgment device, prompts dress
Set and be connected with logic judgment device, by suggestion device to the output voltage values of each overcurrent element and/or action situation into
Row prompt.
9. overcurrent protector automatic testing equipment according to claim 8, it is characterised in that: the overcurrent protection to be detected
The needle bed including several thimbles is provided between device and logic judgment device.
10. overcurrent protector automatic testing equipment according to claim 9, it is characterised in that: the overcurrent of overcurrent protector
Plate lower surface is provided with pallet, and there are the avoid holes for avoiding thimble on the pallet.
11. overcurrent protector automatic testing equipment according to claim 8, it is characterised in that: the suggestion device is aobvious
Show interface and/or acoustic-optic alarm.
12. overcurrent protector automatic testing equipment according to claim 8, it is characterised in that: connect in the driving device
It is connected to a day disk, is provided with several pressure bars on the day disk.
13. overcurrent protector automatic testing equipment according to claim 8, it is characterised in that: the driving device is gas
Cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313311.8A CN109212372A (en) | 2018-11-06 | 2018-11-06 | A kind of overcurrent protector automatic test approach, system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313311.8A CN109212372A (en) | 2018-11-06 | 2018-11-06 | A kind of overcurrent protector automatic test approach, system and device |
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| Publication Number | Publication Date |
|---|---|
| CN109212372A true CN109212372A (en) | 2019-01-15 |
Family
ID=64995465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313311.8A Pending CN109212372A (en) | 2018-11-06 | 2018-11-06 | A kind of overcurrent protector automatic test approach, system and device |
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| Country | Link |
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| CN (1) | CN109212372A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777520A (en) * | 2021-09-16 | 2021-12-10 | 浪潮商用机器有限公司 | Test method, device, system and medium for board-mounted power supply overcurrent protection |
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| JPH06284551A (en) * | 1993-03-29 | 1994-10-07 | Mitsubishi Electric Corp | Testing circuit of overcurrent protection device |
| CN101005202A (en) * | 2006-12-26 | 2007-07-25 | 华为技术有限公司 | Method and system for detecting DC over current protector |
| CN102313848A (en) * | 2010-06-30 | 2012-01-11 | 山东新焦点龙盛汽车配件有限公司 | Overcurrent protector detection device |
| CN103792445A (en) * | 2014-01-16 | 2014-05-14 | 厦门立林电气控制技术有限公司 | Fully intelligent electric power overcurrent protection tester |
| CN104849579A (en) * | 2015-04-14 | 2015-08-19 | 中广核核电运营有限公司 | System and method for testing sensitive elements of over-current protection and voltage monitoring device |
| CN206431249U (en) * | 2016-12-22 | 2017-08-22 | 浙江达峰科技有限公司 | The remote controlled automatic testing jig of massage armchair control panel |
| CN107271896A (en) * | 2017-08-01 | 2017-10-20 | 郑州市轨道交通有限公司运营分公司 | Safety relay test device and its method of testing |
| CN209132357U (en) * | 2018-11-06 | 2019-07-19 | 格力电器（武汉）有限公司 | A kind of overcurrent protector Auto-Test System and device |
-
2018
- 2018-11-06 CN CN201811313311.8A patent/CN109212372A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06284551A (en) * | 1993-03-29 | 1994-10-07 | Mitsubishi Electric Corp | Testing circuit of overcurrent protection device |
| CN101005202A (en) * | 2006-12-26 | 2007-07-25 | 华为技术有限公司 | Method and system for detecting DC over current protector |
| CN102313848A (en) * | 2010-06-30 | 2012-01-11 | 山东新焦点龙盛汽车配件有限公司 | Overcurrent protector detection device |
| CN103792445A (en) * | 2014-01-16 | 2014-05-14 | 厦门立林电气控制技术有限公司 | Fully intelligent electric power overcurrent protection tester |
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| CN206431249U (en) * | 2016-12-22 | 2017-08-22 | 浙江达峰科技有限公司 | The remote controlled automatic testing jig of massage armchair control panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777520A (en) * | 2021-09-16 | 2021-12-10 | 浪潮商用机器有限公司 | Test method, device, system and medium for board-mounted power supply overcurrent protection |
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