CN109959818A - Current test method, controller and device - Google Patents
Current test method, controller and device Download PDFInfo
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- CN109959818A CN109959818A CN201711416762.XA CN201711416762A CN109959818A CN 109959818 A CN109959818 A CN 109959818A CN 201711416762 A CN201711416762 A CN 201711416762A CN 109959818 A CN109959818 A CN 109959818A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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Abstract
The disclosure proposes a kind of current test method, controller and device, is related to automatization testing technique field.A kind of current test method of the disclosure includes: each power supply circuit of synchro measure equipment under test, obtains the voltage value of each power supply circuit and the electrifying timing sequence of power supply circuit；In the case where equipment under test shutdown, according to the voltage value conducting measurement power supply of electrifying timing sequence and the measurement power supply of each power supply circuit；Measure the current value of each power supply circuit.By such method, the voltage and electrifying timing sequence of test power supply can be set automatically, and then it switches to test power supply and is powered, and carry out testing current, improve the degree of automation and testing efficiency of testing current, it can power simultaneously according to electrifying timing sequence, avoid the normal work for influencing equipment under test.
Description
Technical field
This disclosure relates to automatization testing technique field, especially a kind of current test method, controller and device.
Background technique
With integration of equipments, the development of miniaturization, circuit board becomes the indispensable a part of each terminal.Many electricity
There is multiple-way supply power circuit on the plate of road, meet the power demands of different function device, during the test, needs to each confession
The power consumption stream of circuit is tested and is analyzed to guarantee the comprehensive of test.
Summary of the invention
Inventors have found that power consumption current test is mostly that the external ammeter of single channel or multichannel is tested in the related technology, need
Default ammeter parameter, cannot be tested simultaneously, be not easy to automatic test.
One purpose of the disclosure is to propose a kind of concurrent current test method, improves the efficiency of test.
According to one aspect of the disclosure, propose a kind of current test method, comprising: synchro measure equipment under test it is each
Power supply circuit obtains the voltage value of each power supply circuit and the electrifying timing sequence of power supply circuit；In the case where equipment under test shutdown,
According to the voltage value conducting measurement power supply of electrifying timing sequence and the measurement power supply of each power supply circuit；Measure the electricity of each power supply circuit
Flow valuve.
Optionally, the voltage value for measuring power supply is greater than the voltage value of power supply circuit, and measures voltage value and the power supply of power supply
The difference of the voltage value of circuit is within a predetermined range.
Optionally, measurement power supply is connected according to electrifying timing sequence includes: to determine each power supply circuit according to electrifying timing sequence and survey
Measure the turn-on sequence of power supply；Each power supply circuit and measurement power supply is connected according to turn-on sequence.
Optionally, further includes: in the case where equipment under test booting, according to the measurement of electrifying timing sequence and each power supply circuit
Each power supply circuit is sequentially switched to using measurement power supply power supply by the voltage value of power supply.
Optionally, further includes: the range of voltage measurement is adjusted to improve measurement accuracy according to measurement result.
Optionally, at least one of voltage value, current value or electrifying timing sequence of each power supply circuit are uploaded to upper
Machine.
By such method, the voltage and electrifying timing sequence of test power supply can be set automatically, and then switch to test electricity
Source is powered, and carries out testing current, improves the degree of automation and testing efficiency of testing current, while can be according to upper
Electric timing power supply, avoids the normal work for influencing equipment under test.
According to another aspect of the disclosure, a kind of testing current controller is proposed, comprising: memory；And it is coupled to
The processor of memory, processor are configured as based on being stored in the instruction execution of memory above any one testing current
Method.
The voltage and electrifying timing sequence of test power supply can be arranged in such testing current controller automatically, and then switches to survey
Examination power supply is powered, and carries out testing current, improves the degree of automation and testing efficiency of testing current, while can be by
It powers according to electrifying timing sequence, avoids the normal work for influencing equipment under test.
According to the another aspect of the disclosure, a kind of computer readable storage medium is proposed, be stored thereon with computer journey
The step of sequence instructs, and above any one current test method is realized when which is executed by processor.
By executing the instruction on such computer readable storage medium, can be arranged automatically test power supply voltage and
Electrifying timing sequence, and then switch to test power supply and be powered, and carry out testing current, improve the degree of automation of testing current
And testing efficiency, while can power according to electrifying timing sequence, avoid the normal work for influencing equipment under test.
According to another aspect of the disclosure, a kind of current testing device is proposed, comprising: controllable switch unit, for controlling
The on-off connected between system test power supply and sampling resistor unit；Power supply is tested, for closing the switch in controllable switch unit
In the case where for equipment under test power；Sampling resistor unit, in the case where disconnection for being switched in controllable switch unit, to survey
Examination controller provides the voltage value and electrifying timing sequence of each power supply circuit, and, the case where being closed the switch in controllable switch unit
Under, the differential voltage value at sampling resistor unit both ends is provided to test controller；Test controller, for obtaining power supply circuit
Voltage value and electrifying timing sequence determine the voltage value of measurement power supply according to the voltage value of power supply circuit, in the feelings of equipment under test shutdown
It controls to switch in controllable switch unit according to electrifying timing sequence under condition and successively be closed, and each power supply is determined according to differential voltage value
The current value of circuit.
Optionally, test controller includes: that measurement voltage determines subelement, for being determined according to the voltage value of power supply circuit
Measure the voltage value of power supply, wherein the voltage value for measuring power supply is greater than the voltage value of power supply circuit, and measures the voltage value of power supply
Within a predetermined range with the difference of the voltage value of power supply circuit.
Optionally, test controller includes: switch control subelement, for determining controllable switch unit according to electrifying timing sequence
In each switch turn-on sequence, according to turn-on sequence control controllable switch unit in closing the switch.
Optionally, test controller is also used in the case where equipment under test works, according to electrifying timing sequence and each power supply
Each power supply circuit is sequentially switched to using measurement power supply power supply by the voltage value of the measurement power supply of circuit.
Optionally, test controller is also used to adjust the range of voltage measurement according to measurement result to improve measurement accuracy.
Optionally, test controller is also used in voltage value, current value or electrifying timing sequence by each power supply circuit extremely
Few one kind is uploaded to host computer.
Optionally, further includes: the amplifier between sampling resistor unit and test controller is adopted for amplifying to come from
The voltage value of sample resistance unit.
The voltage and electrifying timing sequence of test power supply can be arranged in such current testing device automatically, and then switches to test
Power supply is powered, and carries out testing current, improves the degree of automation and testing efficiency of testing current, while can be according to
Electrifying timing sequence power supply avoids the normal work for influencing equipment under test.
Detailed description of the invention
Attached drawing described herein is used to provide further understanding of the disclosure, constitutes a part of this disclosure, this public affairs
The illustrative embodiments and their description opened do not constitute the improper restriction to the disclosure for explaining the disclosure.In the accompanying drawings:
Fig. 1 is the flow chart of one embodiment of the current test method of the disclosure.
Fig. 2 is the flow chart of another embodiment of the current test method of the disclosure.
Fig. 3 is the schematic diagram of one embodiment of the testing current controller of the disclosure.
Fig. 4 is the schematic diagram of another embodiment of the testing current controller of the disclosure.
Fig. 5 is the schematic diagram of one embodiment of the current testing device of the disclosure.
Fig. 6 is the schematic diagram of one embodiment of the usage scenario of the current testing device of the disclosure.
Specific embodiment
Below by drawings and examples, the technical solution of the disclosure is described in further detail.
The flow chart of one embodiment of the current test method of the disclosure is as shown in Figure 1.
In a step 101, each power supply circuit of synchro measure equipment under test, obtain each power supply circuit voltage value and
The electrifying timing sequence of power supply circuit.
In a step 102, in the case where equipment under test shuts down, according to the measurement electricity of electrifying timing sequence and each power supply circuit
The voltage value conducting measurement power supply in source.
In step 103, the current value of each power supply circuit is measured.In one embodiment, it can measure and be series at survey
The voltage difference at the high precision sampling resistance both ends between power supply and equipment under test is measured, and then the electric current of power supply circuit is calculated
Value.
By such method, the voltage and electrifying timing sequence of test power supply can be set automatically, and then switch to test electricity
Source is powered, and carries out testing current, improves the degree of automation and testing efficiency of testing current, while can be according to upper
Electric timing power supply, avoids the normal work for influencing equipment under test.In addition, measurement can be by electric current substantially while for multiple spot
Curent change time point and variation size, are conducive to carry out data analysis caused by finding out because of adjustment formula front and back.
Since circuit board difference power supply circuit has certain electrifying timing sequence, timing is not to may result in driving then not just
Often, it or even cannot be started up, be not easy to test automatically.Method in through the foregoing embodiment, can collecting circuit board it is normal on
Electric timing, and be powered according to the timing, thus ensure that the normal operating conditions of circuit board, meanwhile, using the outer of concentration
Power supply can be provided without external ammeter by filling power supply, saved spending, and be not necessarily to manual setting parameter, reduced the shadow of human factor
It rings, improves accuracy.In addition, the measurement of electrifying timing sequence can also be analyzed for data provides richer information, be conducive to improve
The accuracy of data analysis.
In one embodiment, the voltage value of the measurement power supply of each power supply circuit is slightly above the power supply circuit measured
Voltage value, thus guarantee after precision resister divides measure power supply be equipment under test supply voltage still be able to meet quilt
The demand of measurement equipment.
In one embodiment, equipment under test be switched on run in the state of, can switch to using measurement power supply according to
The voltage value power supply of determining measurement power supply.By such method, the normal operating conditions of equipment can be measured, is mentioned
The high accuracy of measurement.
In one embodiment, in the state that equipment under test is switched on and runs, each power supply circuit is switched to using measurement
The transfer sequence of power supply power supply is also required to meet the electrifying timing sequence of measurement, to be further ensured that the steady operation of equipment.
It in one embodiment, can will be in the voltage value including power supply circuit, current value or electrifying timing sequence of measurement
Arbitrary content is uploaded to host computer, in order to which host computer is analyzed and processed, is convenient for measuring record and the analysis of data, further
Improve the degree of automation and efficiency of test.
The flow chart of another embodiment of the current test method of the disclosure is as shown in Figure 2.
In step 201, each power supply circuit of synchro measure equipment under test, obtain each power supply circuit voltage value and
The electrifying timing sequence of power supply circuit.
In step 202, each power supply circuit is determined according to electrifying timing sequence and measures the turn-on sequence of power supply.
In step 203, each power supply circuit and measurement power supply is connected according to turn-on sequence.
In step 204, sampling resistor both end voltage is exported.It in one embodiment, can be with default priority using minimum
Range measures.
In step 205, sampled voltage is amplified by amplifier.
In step 206, whether currently employed range (sampling resistor resistance value) is judged according to differential voltage measurement result
Properly, if improper then follow the steps 207；If suitable, 207 are thened follow the steps.It in one embodiment, can be by measurement result
It is compared with predetermined interval, if measurement result is lower than predetermined interval, it is determined that range is bigger than normal；If measurement result is higher than fate
Between, it is determined that range is less than normal.
In step 207, the current value of power supply circuit is determined.In one embodiment, according to sampling resistor be R,
The voltage difference at resistance both ends is △ V, and the amplification coefficient of amplifier is G, then I=△ V/ (GR).
In a step 208, amplification coefficient is adjusted.If measurement result is less than normal, increase amplification coefficient, if measurement result is inclined
Greatly, then reduce amplification coefficient.In one embodiment, amplification can repeatedly be adjusted according to the measurement result after adjusting amplification coefficient
Coefficient is so that measurement result falls into predetermined interval, until can not adjust or reach target without adjusting, execution step 209.
In step 209, judge whether range is suitable again.If suitable, 207 are thened follow the steps；If still improper,
Execute step 210.
In step 210, the resistance value of the sampling resistor of use is adjusted.In one embodiment, controllable switch can be switched
The switch being closed in unit, to switch the sampling resistor used.Then step 204 is executed.In one embodiment, if measurement
As a result less than normal, then reduce the resistance value of the sampling resistor used；If measurement result is bigger than normal, the resistance of the sampling resistor used is improved
Value.
In step 211, the measurement electric current being calculated in step 207 is sent to host computer processing.
By such method, amplifier amplification coefficient and sampling resistor resistance value adjustment two can be passed through in measurement process
Kind mode adjusts the range of voltage measurement, to improve the accuracy of supply current calculating.
The structural schematic diagram of one embodiment of disclosure testing current controller is as shown in Figure 3.Testing current controller
Including memory 301 and processor 302.Wherein: memory 301 can be disk, flash memory or other any non-volatile memories
Medium.Memory is used to store the instruction in the above corresponding embodiment of current test method.Processor 302 is coupled to storage
Device 301 can be used as one or more integrated circuits to implement, such as microprocessor or microcontroller.The processor 302 is used for
The instruction that stores in memory is executed, can be realized the degree of automation and testing efficiency for improving testing current, while can be by
It powers according to electrifying timing sequence, avoids the normal work for influencing equipment under test.
It in one embodiment, can be as shown in figure 4, testing current controller 400 includes memory 401 and processor
402.Processor 402 is coupled to memory 401 by BUS bus 403.The testing current controller 400 can also pass through storage
Interface 404 is connected to external memory 405 to call external data, can also be connected to network by network interface 406
An or other computer system (not shown).It no longer describes in detail herein.
In this embodiment, it is instructed by memory stores data, then above-metioned instruction is handled by processor, can be realized
The degree of automation and testing efficiency of testing current are improved, while can be powered according to electrifying timing sequence, avoids influencing equipment under test
Normal work.
In another embodiment, a kind of computer readable storage medium, is stored thereon with computer program instructions, this refers to
The step of enabling the method realized in current test method corresponding embodiment when being executed by processor.Those skilled in the art answer
Understand, embodiment of the disclosure can provide as method, apparatus or computer program product.Therefore, the disclosure can be used completely hard
The form of part embodiment, complete software embodiment or embodiment combining software and hardware aspects.Moreover, the disclosure can be used
The computer that one or more wherein includes computer usable program code can be with non-transient storage medium (including but not
Be limited to magnetic disk storage, CD-ROM, optical memory etc.) on the form of computer program product implemented.
The schematic diagram of one embodiment of the current testing device of the disclosure is as shown in Figure 5.Controllable switch unit 501 is located at
It tests between power supply 502 and sampling resistor unit 503, sampling resistor unit 503 is connect with the measurement point of equipment under test, test control
Device 504 processed connect with each section of device and executes control function.
Controllable switch unit 501 can control the on-off connected between test power supply and sampling resistor unit.Test power supply
502 power in the case where capable of closing the switch in controllable switch unit for equipment under test.Sampling resistor unit 503 can be can
It controls in the case where switching disconnection in switch unit, provides the voltage value and electrifying timing sequence of each power supply circuit to test controller,
And in the case where closing the switch in controllable switch unit, the differential electrical at sampling resistor unit both ends is provided to test controller
Pressure value.Test controller 504 can obtain the voltage value and electrifying timing sequence of power supply circuit, be determined according to the voltage value of power supply circuit
The voltage value for measuring power supply is controlled in controllable switch unit according to electrifying timing sequence in the case where equipment under test shutdown and is switched successively
It is closed, and determines the current value of each power supply circuit according to differential voltage value.
The voltage and electrifying timing sequence of test power supply can be arranged in such current testing device automatically, and then switches to test
Power supply is powered, and carries out testing current, improves the degree of automation and testing efficiency of testing current, while can be according to
Electrifying timing sequence power supply avoids the normal work for influencing equipment under test.
In one embodiment, test controller includes that measurement voltage determines subelement, can be according to the electricity of power supply circuit
Pressure value determines the voltage value of measurement power supply, and then test controller control measurement power supply is outer to the power supply circuit progress of equipment under test
Fill power supply.The voltage value for measuring power supply is slightly above the voltage value of the power supply circuit measured.Such current measuring device is using collection
In outer filling power supply can provide power supply without external ammeter, save spending, and without manual setting parameter, reduce it is artificial because
The influence of element, improves accuracy.
In one embodiment, test controller includes switch control subelement, can be determined according to electrifying timing sequence controllable
The turn-on sequence of each switch in switch unit, according to closing the switch in turn-on sequence control controllable switch unit, to protect
Demonstrate,prove the steady operation of equipment.
It in one embodiment, can also include amplifier between test controller and sampling resistor unit, it can be right
The voltage at sampling resistor both ends carries out method, to reduce the requirement to test controller measurement accuracy, improves voltage measurement
Accuracy.
The schematic diagram of one embodiment of the usage scenario of the current testing device of the disclosure is as shown in Figure 6.Devices to test
60 have multiple power supply circuits, and voltage value distinguishes VCC1~VCCn.Test controller 62 by sampling resistor unit 641~
The voltage measurement at 60 end of nearly Devices to test of 64n obtains the voltage value of power supply circuit and electrifying timing sequence and records.
The power supply order and supply voltage of setting test 61 different port of power supply of test controller 62, make every to power supply circuit
Output voltage all the way slightly above measures the voltage value of obtained power supply circuit.In one embodiment, test power supply 61 can be with
It for programmable power supply, can be programmed according to the voltage value for carrying out self test controller 62, adjust output voltage.
Test controller 62 controls the turn-on sequence of 631~63n of controllable switch unit according to electrifying timing sequence.And then it measures each
The voltage at the both ends 641~64n of a sampling resistor unit.The voltage at the both ends sampling resistor 641~64n of unit can pass through amplifier
Test controller is reached after 65 amplifications.In one embodiment, sampling resistor unit can be high precision sampling resistance unit, put
Big device 65 can be programmable precision instrument amplifier.Test controller 62 can put amplifier according to voltage measurements
Big coefficient is adjusted, or switches the sampling resistor used by way of closure switch in switching controllable switch unit, thus
Voltage measurement range is adjusted, the precision of current measurement is improved.
It after test controller 62 obtains each road current value, can be reported to host computer, display and data are carried out by host computer
Processing.
Such current testing device can collect supply voltage measurement, electrifying timing sequence measurement, the configuration of outer filling voltage and electric current
Measurement is integrated, and is configured and is switched automatically, to improve the degree of automation and testing efficiency of measurement, reducing manpower is needed
It asks, reduces testing cost.
The disclosure is reference according to the method for the embodiment of the present disclosure, the flow chart of equipment (system) and computer program product
And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions
And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to
Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate
One machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing
The device for the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
So far, the disclosure is described in detail.In order to avoid covering the design of the disclosure, it is public that this field institute is not described
The some details known.Those skilled in the art as described above, completely it can be appreciated how implementing technology disclosed herein
Scheme.
Disclosed method and device may be achieved in many ways.For example, can by software, hardware, firmware or
Person's software, hardware, firmware any combination realize disclosed method and device.The step of for the method it is above-mentioned
Sequence is merely to be illustrated, and the step of disclosed method is not limited to sequence described in detail above, unless with other sides
Formula illustrates.In addition, in some embodiments, the disclosure can be also embodied as recording program in the recording medium, these
Program includes for realizing according to the machine readable instructions of disclosed method.Thus, the disclosure also covers storage for executing
According to the recording medium of the program of disclosed method.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the disclosure rather than its limitations；To the greatest extent
Pipe is described in detail the disclosure referring to preferred embodiment, it should be understood by those ordinary skilled in the art that: still
It can modify to the specific embodiment of the disclosure or some technical features can be equivalently replaced；Without departing from this public affairs
The spirit of technical solution is opened, should all be covered in the claimed technical proposal scope of the disclosure.
Claims (13)
1. a kind of current test method, comprising:
Each power supply circuit of synchro measure equipment under test obtains voltage value and when the powering on of power supply circuit of each power supply circuit
Sequence；
The voltage value of measurement power supply is determined according to the voltage value of the power supply circuit,
In the case where equipment under test shutdown, according to the measurement power supply of the electrifying timing sequence and each power supply circuit
The measurement power supply is connected in voltage value；
Measure the current value of each power supply circuit.
2. according to the method described in claim 1, wherein, the voltage value of the measurement power supply is greater than the voltage of the power supply circuit
Value, and the difference of the voltage value of the voltage value and power supply circuit of the measurement power supply is within a predetermined range.
3. method according to claim 1 or 2, wherein described that the measurement power supply packet is connected according to the electrifying timing sequence
It includes:
Each power supply circuit is determined according to the electrifying timing sequence and measures the turn-on sequence of power supply；
Each power supply circuit and the measurement power supply is connected according to the turn-on sequence.
4. method according to claim 1 or 2, further includes:
In the case where equipment under test booting, according to the measurement power supply of the electrifying timing sequence and each power supply circuit
Each power supply circuit is sequentially switched to using the measurement power supply power supply by voltage value.
5. method according to claim 1 or 2, further includes:
The range of voltage measurement is adjusted according to measurement result to improve measurement accuracy；And/or
At least one of the voltage value, current value or electrifying timing sequence of each power supply circuit are uploaded to host computer.
6. a kind of testing current controller, comprising:
Memory；And
It is coupled to the processor of the memory, the processor is configured to based on the instruction execution for being stored in the memory
Such as method described in any one of claim 1 to 5.
7. a kind of computer readable storage medium, is stored thereon with computer program instructions, real when which is executed by processor
The step of method described in existing claim 1 to 5 any one.
8. a kind of current testing device, comprising:
Controllable switch unit, for controlling the on-off connected between test power supply and sampling resistor unit；
Power supply is tested, is powered in the case where for being closed the switch in the controllable switch unit for equipment under test；
Sampling resistor unit in the case where disconnection for switching in the controllable switch unit, provides each to test controller
The voltage value and electrifying timing sequence of a power supply circuit, and, in the case where being closed the switch in the controllable switch unit, controlled to test
Device processed provides the differential voltage value at sampling resistor unit both ends；
Test controller, for obtaining the voltage value and electrifying timing sequence of power supply circuit, the voltage value according to the power supply circuit is true
Surely the voltage value for measuring power supply controls the controllable switch according to the electrifying timing sequence in the case where equipment under test shutdown
It switchs in unit and is successively closed, and determine according to the differential voltage value current value of each power supply circuit.
9. device according to claim 8, wherein the test controller includes: that measurement voltage determines subelement, is used for
The voltage value of measurement power supply is determined according to the voltage value of the power supply circuit, wherein the voltage value of the measurement power supply is greater than institute
The voltage value of power supply circuit is stated, and the difference of the voltage value of the voltage value and power supply circuit of the measurement power supply is in predetermined model
In enclosing.
10. device according to claim 8 or claim 9, wherein the test controller includes:
Switch control subelement, for determining the turn-on sequence of each switch in controllable switch unit according to the electrifying timing sequence,
Closing the switch in the controllable switch unit is controlled according to the turn-on sequence.
11. device according to claim 8 or claim 9, wherein the test controller is also used to work in the equipment under test
In the case where, it is according to the voltage value of the electrifying timing sequence and the measurement power supply of each power supply circuit that each power supply is electric
Road is sequentially switched to using the measurement power supply power supply.
12. device according to claim 8 or claim 9, wherein the test controller is also used to:
The range of voltage measurement is adjusted according to measurement result to improve measurement accuracy；And/or
At least one of the voltage value, current value or electrifying timing sequence of each power supply circuit are uploaded to host computer.
13. device according to claim 8 or claim 9, further includes:
Amplifier between the sampling resistor unit and the test controller comes from the sampling resistor for amplifying
The voltage value of unit.
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|---|---|---|---|---|
| CN114137402A (en) * | 2021-11-16 | 2022-03-04 | 广东电网有限责任公司广州供电局 | GIS partial discharge detection system, GIS intelligent sensor and awakening method and device thereof |
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