CN106526378B - A kind of distribution terminal visualization hardware check surveys auxiliary device and self-sensing method - Google Patents
A kind of distribution terminal visualization hardware check surveys auxiliary device and self-sensing method Download PDFInfo
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- CN106526378B CN106526378B CN201610980368.8A CN201610980368A CN106526378B CN 106526378 B CN106526378 B CN 106526378B CN 201610980368 A CN201610980368 A CN 201610980368A CN 106526378 B CN106526378 B CN 106526378B
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
A kind of distribution terminal visualization hardware check surveys auxiliary device and method, belong to technical field of electric power, test wiring is carried out to distribution terminal by auxiliary device, it is automatically performed by self-check program module and treats the analog acquisition passage for being measured electric terminals detection, the detection of On-off signal, output-consistence, memory and clock, and by the liquid crystal display or LED light instruction detection process and result in terminal, it is formed simultaneously inspection document, memory is stored in, is had access to for production technician；For substandard product, exception hardware can quickly be found according to self-checking document；And periodical self-test is carried out to hardware during the aging of product, record the brings quality of hardware problem such as hardware welding, assembly in ageing process, realize the automatic detection of distribution terminal hardware, detection efficiency and end product quality are improved, the phenomenon that omitting detection project caused by human factor has been prevented.
Description
Technical field
The invention belongs to technical field of electric power, it is related to the data collection and control terminal of controller switching equipment in power grid, specifically relates to
And the ancillary equipment and detection method of distribution terminal detection.
Background technique
In recent years, as power automation degree is constantly promoted, as the anterior member of power distribution automation, distribution terminal
Cooperate with equipment such as panel switches, switchgear, distribution transformers, become and realize one of indispensable element of power distribution automation,
Demand constantly increases.Distribution terminal connects and functional module is arranged on motherboard configured with connection motherboard.
The type of distribution terminal (including line feed terminals FTU, stand institute terminal D TU and distribution transformer terminal TTU) compared with
More, the function of automation is also not exactly the same, and manufacturer needs to produce various types of terminals, carries out for user demand
Debugging, aging and inspection process, whole process place one's entire reliance upon production technology worker and external equipment, are in the manual stage, survey
Method for testing is simple, and examining report is lack of standardization, while being affected by factors such as manual skill, the state of mind, and error is artificially introduced
It is uncontrolled, in this way, traditional distribution terminal test method not only low efficiency, but also it is unfavorable for large-scale production and management can not
Realize consistency, comprehensive test.
In addition, traditional distribution terminal aging of product test is individually carried out with hardware testing, it is right not in ageing process
Hardware carries out periodical real-time detection and stores detection data.
Summary of the invention
To realize the automatic detection to distribution terminal hardware, and testing result is shown in the detection process, was automatically recorded
Number of passes evidence, proposes the present invention.
The technical scheme is that
A kind of distribution terminal visualization hardware check survey auxiliary device, for detecting distribution terminal, distribution terminal includes connecting
Connect motherboard and be plugged on connection motherboard on functional module, functional module include analogue collection module, switching input module,
Switching value output module, human-computer interaction module, communication module and nucleus module, in nucleus module configured with CPU, RTC chip and
Memory, human-computer interaction module include that one group of LED light and display screen, key are: the auxiliary device includes test chamber and company
Device is connect, connector is located at test chamber rear portion, and front end connects distribution terminal, and there is connecting terminal in rear end；Outside source passes through wiring
The collection terminal of terminal connection analogue collection module；The output terminal of switching value output module passes through connecting terminal connection signal
Source, the output terminal of switching value output module pass through the input terminal of connecting terminal connection switch amount input module, and CPU control is opened
The relay of pass amount output module send signal to switching input module.
A kind of distribution terminal visualization hardware check survey method, key are: distribution terminal insertion distribution terminal is visual
Change hardware check and survey auxiliary device, connecting signal source and connecting terminal, self-detection module is set in CPU, is arranged in memory
Failure logging area, after starting, detection the following steps are included:
A, examine memory: data are written into memory by CPU, then read, two groups of data are compared, consistent table
Bright memory is qualified, otherwise shows unqualified；
B, the detection of switching input module, switching value output module:
B1, the input of detection switch amount, output function: for each output terminal of switching value output module, CPU controls it
Relay closure, signal is sent to switching input module；
Acquisition connects the switching input module input terminal signal of the output terminal, if there is signal becomes all the way
Change, then output terminal output is normal；If do not changed all, output terminal output is unqualified；
If output terminal output is normal, connects on the switching input module input terminal of the output terminal, do not send out
Raw signal intensity, be unqualified；
The consistency that B2, detection switch amount input: the relay closure of the control output end CPU send signal to switch
Input module is measured, if all switching input module input terminal signals for connecting the output terminal change simultaneously,
Above-mentioned input terminal is otherwise unqualified by consistency detection；
The hardware design of product must be with uniformity, is otherwise the failure of product design.It examines with this method
Principle are as follows: be closed using an output switch parameter of device, signal synchronous transport will be tested to set of number amount input terminal (ratio
Such as 4-8 digital quantity input terminal), the input of such hardware circuit is that synchronization also should after digital input circuit conversion
Illustrate for synchronization if not synchronization: there are mistakes for some elements on 1. hardware circuits；2 elements, which are welded with, asks
Topic.
The consistency that B3, detection switch amount export: for each output terminal of switching value output module, CPU controls it
Relay closure, signal is sent to switching input module, the time T1 of closure is recorded, and records input terminal letter connected to it
Number changed time T2, digital quantity input filter time are Tb,
Digital quantity actuation time: Ts=(T2-T1)-Tb,
1) Ts is less than 10ms,
2) in continuous 10 tests, the maxima and minima deviation of Ts is no more than 3ms,
The output terminal uniformity test is qualified if meeting above-mentioned two condition, is otherwise unqualified；
C, the detection of analogue collection module:
The collected statistical average x and target value E of setting is calculated error e, calculation formula by CPU are as follows: and e=(E-x)/
E*100% is unqualified if being more than 0.2% if the absolute value of e；
If input signal is 220VAC, by circuits such as mutual inductor, amplifier, internal simulation converters, because of various members
All there is error in part, so that the data converted are practical into x by the result calculated, x theoretically should be 220VAC(target value),
And actual result may bigger than normal be x=225VAC, it is also possible to be x=210VAC, error to be unqualified, is deposited beyond 0.2% in the circuit
In problem.
D, RTC block self-test: current time is written RTC clock chip and starts timing by CPU, after timing for a period of time
It from RTC readout clock data, is compared with the current time of CPU, is unqualified if deviation exceeds 2 seconds；
E, liquid crystal display or LED light that the process and result of above-mentioned each testing procedure pass through human-computer interaction module in distribution terminal
It has been shown that, step B, the unqualified result Write fault recording areas in C, D.
Further, the display screen or LED light group that detection process and result can be carried by distribution terminal are intuitively shown
Out.
It further, further include Aging Step in the self-sensing method: by distribution terminal insertion distribution terminal visualization
Hardware check surveys the test chamber of auxiliary device, connecting signal source and input and output terminal, is pushed into burn-in chamber, aging is arranged in CPU
Detection module, after starting, every 5-10 minutes execution step B, C, D, an E.
Further, the method for the detection starting includes: a, by button operation and liquid crystal display, is selected from the menu
The maintenance mouth of starting or b, computer connection distribution terminal pass through maintenance software operation pages starting.
The beneficial effects of the present invention are:
1, equipment resource itself is made full use of, by the way that selftest module is arranged in CPU, is written and executes detection program, benefit
Self-test is carried out with the I/O channel of equipment itself, a large amount of external equipments can be saved；It is shown by liquid crystal display or LED light group
Detection process and testing result change traditional black box test pattern, keep test process visual, intuitive；By test result
In the included memory of write device, test report is standardized, and can read at any time, convenient for the maintenance of equipment.
2, the connecting interface and connecting terminal of ancillary equipment setting and distribution terminal, distribution terminal " drawer " formula push-in are auxiliary
After helping equipment, each port is correspondingly connected with, and by connecting terminal connecting signal source and input/output port, avoids external cabling,
It is convenient and efficient, and can realize synchronization, the quickly detection to multiplexer channel.
3, realize the hardware check of distribution terminal survey, the hardware selftest in ageing process, automatically record process data, shape
It at detection document, is had access to for production technician, for the product of self-checking qualification, carries out storage storage, otherwise return to maintenance
Link searches corresponding hardware problem according to detection document.Detection process eliminates artifact, substantially increases detection water
It is flat, while saving human cost.
4, according to the characteristic of equipment, test program, extendible, change detection project are extended by upgrading.
5, the maintenance mouth of computer connection distribution terminal remotely starts detection program by maintenance software operation pages, more
Convenient for ageing equipment test.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of auxiliary device；
Fig. 2 is the grafting schematic diagram of each module in distribution terminal；
Fig. 3 is distribution terminal schematic diagram；
Fig. 4 is the schematic diagram that On-off signal is connected with output module by auxiliary device；
Fig. 5 is the schematic diagram that analogue collection module is connected by auxiliary connection device；
Fig. 6 is the Booting sequence figure of self-test.
In attached drawing, 1 represents shell, and 2 represent distribution terminal, and 3 represent connector.
Specific embodiment
A kind of distribution terminal visualization hardware check survey auxiliary device, for detecting distribution terminal, as shown in Fig. 2, distribution
Terminal includes the functional module for connecting motherboard and being plugged on connection motherboard, and functional module includes analogue collection module, switch
Input module, switching value output module, human-computer interaction module, communication module and nucleus module are measured, is configured in nucleus module
CPU, RTC chip and memory, human-computer interaction module include one group of LED light and display screen.Each module passes through connection motherboard connection
To CPU, distribution terminal schematic diagram is as shown in Figure 3.
The auxiliary device includes the test chamber and connector being arranged in shell 1, is surveyed as shown in Figure 1, connector 3 is located at
Chamber rear portion is tried, front end connects distribution terminal, and there is connecting terminal in rear end；Outside source connects analog acquisition by connecting terminal
The collection terminal of module；The output terminal of switching value output module passes through connecting terminal connecting signal source, switching value output module
Output terminal passes through the input terminal of connecting terminal connection switch amount input module, the relay of CPU control switch amount output module
Device send signal to switching input module.
1-5 independent test positions are provided in the test chamber, each test position, which is respectively set, to be started switch, the present embodiment
3 independent test positions of middle setting.
Outside source connects the collection terminal of analogue collection module by connecting terminal, as shown in figure 5, dotted line frame in figure
It is inside the part of connecting terminal connection.This part is analog signal TCH test channel.
The output terminal of switching value output module passes through connecting terminal connecting signal source, the output end of switching value output module
Son passes through the input terminal of connecting terminal connection switch amount input module, as shown in figure 4, being that connecting terminal connects in dotted line frame in figure
The part connect, in the present embodiment, signal source is 24V d. c. voltage signal；CPU exports mould by connection motherboard, control switch amount
The relay of block send signal to switching input module.This part is on-off model TCH test channel.
The output terminal of switching value output module connects the input terminal of 4-8 switching input module, this is test one
The necessary condition of cause property.In the present embodiment, output terminal connects 4 input terminals.
Each the input terminal and the output terminal will be attached.
When it is implemented, the production process of distribution terminal includes:
1, welding is finished and qualified each module veneer is examined successively to be assembled in cabinet in sequence, connection work electricity
Source；
2, hardware check ranging sequence is written, failure logging area is set in memory；
3, it is configured using maintenance software according to actual hardware, configures analog quantity parameter, digital quantity input, number for distribution terminal
Word amount output channel parameter after confirmation parameter configuration is errorless, closes power supply；
4, by the corresponding test position of distribution terminal push-in auxiliary device；
5, the working power of distribution terminal and the corresponding test position of auxiliary device and the signal source of analogue collection module are opened；
6, there is liquid crystal screen type distribution terminal, self-checking function is started by key and liquid crystal display, without liquid crystal display
Terminal starts self-test program using a start button in maintenance software.Start-up course is as shown in Figure 6.Distribution terminal can
Depending on change hardware check survey method the following steps are included:
A, the ferroelectricity and FLASH memory of self-checking periphery are just held after only both memory self-tests pass through first
The subsequent self-test of row, when detection, data are written into memory by CPU, then read, two groups of data are compared, unanimously
Show memory qualification, otherwise shows unqualified；
B, the detection of switching input module, switching value output module:
B1, the input of detection switch amount, output function:
Each output terminal of switching value output module connects the input terminal of 4-8 switching input module, switching value
Each input terminal of input module is at least connected with the output terminal of 1 switching value output module,
For each output terminal of switching value output module, CPU controls its relay closure, and signal is sent to switching value
The input terminal of input module；
In the present embodiment, 1 output terminal connects 4 input terminals.Acquisition connects 4 input terminals of the output terminal
Signal illustrates have input terminal to collect the signal that output terminal is sent, then the output if there is signal changes all the way
Terminal output is normal；If 4 tunnels do not change all, since all abnormal probability is small for 4 road input terminals, then the output end
Son output is unqualified；
If output terminal output is normal, connects on the switching input module input terminal of the output terminal, do not send out
Raw signal intensity, be unqualified；
The consistency that B2, detection switch amount input:
On several input terminals, when input signal reaches simultaneously, after digital input circuit conversion, it should same
Moment detects.
Since an output terminal connects 4 input terminals, the relay closure of the control output end CPU send signal
To switching input module, the input on 4 input terminals is synchronization, if all switching values for connecting the output terminal
Input module input terminal signal changes simultaneously, then above-mentioned input terminal is otherwise unqualified by consistency detection；
The consistency that B3, detection switch amount export: for each output terminal of switching value output module, CPU controls it
Relay closure, signal is sent to switching input module, the time T1 of closure is recorded, and records input terminal letter connected to it
Number changed time T2, digital quantity input filter time are Tb, and in the present embodiment, Tb is defaulted as 20ms.
Digital quantity actuation time: Ts=(T2-T1)-Tb,
1) Ts is less than 10ms,
2) in continuous 10 tests, the maxima and minima deviation of Ts is no more than 3ms,
The output terminal uniformity test is qualified if meeting and doing above-mentioned two condition, is otherwise unqualified；
C, the detection of analogue collection module:
The collected statistical average x and target value E of setting is calculated error e, calculation formula by CPU are as follows: and e=(E-x)/
E*100% is unqualified if being more than 0.2% if the absolute value of e.
In order to overcome the deviation of collection terminal in analogue collection module itself, compensation system can also be increased in test
Number.For this purpose, step C improvement is as follows:
C, to the detection of analogue collection module: it is detected including penalty coefficient self-adjusting and collection terminal,
C1, coefficient self-adjusting is compensated to the collection terminal of analogue collection module:
When detecting for the first time, the collected statistical average x and target value E of setting is calculated error e by CPU, is calculated public
Formula are as follows: e=(E-x)/E*100%,
Processing is compensated if being more than 0.2% if the absolute value of e, penalty coefficient α calculation formula: α=E/x, otherwise, compensation system
Number α=1, stores α；
C2, the collection terminal of analogue collection module is detected:
The collected statistical average x and target value E of setting is calculated error e by CPU, if the absolute value of e is more than 0.2%
It is then unqualified；
E calculation formula: e=(E- α x)/E*100%.
If input signal is 220VAC, by circuits such as mutual inductor, amplifier, internal simulation converters, because of various members
All there is error in part, so that the data converted are practical into x by the result calculated, x should be theoretically the target value of setting
220VAC, and actual result may bigger than normal be 225VAC, it is also possible to it is 210VAC, in order to make 220 VAC of calculated result, self-correcting
Positive penalty coefficient α are as follows: 220/210 or 220/225, process data compensated in this way are exactly 220VAC.In order to guarantee to test
Consistency the calculating of penalty coefficient is only done when detecting first time to each collection terminal, detection thereafter all uses the compensation
Coefficient.
D, RTC block self-test: current time is written RTC clock chip and starts timing by CPU, after timing for a period of time
It from RTC readout clock data, is compared with the current time of CPU, is unqualified if deviation exceeds 2 seconds；
E, liquid crystal display or LED light that the process and result of above-mentioned each testing procedure pass through human-computer interaction module in distribution terminal
It has been shown that, step B, the unqualified result Write fault recording areas in C, D.
Failure logging area is the storage region reserved exclusively for unqualified information, data is written in self-test, and work as CPU
After the use of application program scene is written, it will not delete or cover.
One scheme of step A inspection memory are as follows:
The data block that 4096 bytes are defined in CPU, is written data；
Since the start bit of memory, whole memory space is traversed, the data of above-mentioned data block are written every time, is written
After, then from the writing position reading in memory, then to write-in and reading data, progress XOR operation, to operation
As a result it is added up and is calculated, be otherwise unqualified for result qualification if final result is zero.
If distribution terminal configures liquid crystal display, the detection process and testing result of each step can intuitively be shown very much
Out.But some distribution terminals do not have display screen, only one group of LED light.In order to reach effect of visualization using existence conditions, use
The variation of LED light comes only detection process and result:
When detecting step A, first LED light flashing, self-test passes through, and LED light is extinguished, and otherwise LED light is lighted；
When detecting step B, second and third two LED light flashings, if On-off signal hardware anomalies, second LED light is normal
Bright, otherwise LED light is extinguished；If output switch parameter hardware anomalies, third LED light is always on, and otherwise LED light is extinguished；
When detecting step C, the 4th LED light flashing, if hardware anomalies, the 4th LED light is always on, and otherwise LED light is put out
It goes out；
When detecting step D, the 5th LED light flashing, if hardware anomalies, the 5th LED light is always on, and otherwise LED light is put out
It goes out.
It is obvious that above-mentioned definition is just for various situations, a kind of mode encoded with 5 LED light, is not pair
Restriction of the invention.In practical applications, different codings can be defined according to the type of detection, the quantity of LED light.
Above-mentioned steps are the preliminary self-test of hardware.Distribution terminal has the process of aging before being put into use, in aging
Period, present invention also proposes a kind of technical solutions, continuously can carry out self-test to hardware.
Distribution terminal insertion distribution terminal visualization hardware check is surveyed into auxiliary device, connecting signal source and input/output terminal
Son is pushed into burn-in chamber, ageing management module is arranged in CPU, and after starting, every 5-10 minutes of the control of ageing management module is executed once
Step B, C or C2, D, E.Due to having calculated penalty coefficient, direct use here.
Detection includes two kinds: self-test and built-in self test examination.The method of starting includes: a, by button operation and liquid crystal
Show, be selected from the menu the maintenance mouth of starting or b, computer connection distribution terminal, passes through maintenance software operation pages starting.
As shown in fig. 6, carrying out hardware detection first after device power-on operation, then judges whether to receive key or remote computer is logical
The start command that port is sent is crossed, if received, judgement is self-test or aging self-test, and starts corresponding program.
Maintenance mouth using computer connection distribution terminal remotely starts, and is more convenient for starting detection in ageing process.
Product by aging self-test qualification is final qualified product, can be put in storage, when project needs, re-write
Meet user demand application program go forward side by side line program test, program normally can enter assembly, or directly delivery to cooperate factory
Family.
Self-test hardware initial survey recording documents store respectively with aging self-test recording documents, are read by serial ports or network interface
Out, it is recorded as test data, number is put on record.Self-test program only completes hardware detection and compensating coefficient calculates, and as a result stores
In memory, before distribution terminal issues client, application program is written, the various data of application records will not cover certainly
Detect the self-inspection record document and penalty coefficient of program.
Claims (10)
1. a kind of distribution terminal visualization hardware check surveys method, auxiliary device is surveyed based on distribution terminal visualization hardware check,
The device includes the functional module for connecting motherboard and being plugged on connection motherboard, function for detecting distribution terminal, distribution terminal
Module include analogue collection module, switching input module, switching value output module, human-computer interaction module, communication module and
Nucleus module, CPU, RTC chip and memory are configured in nucleus module, and human-computer interaction module includes one group of LED light and display
Screen, the auxiliary device include test chamber and connector, and connector is located at test chamber rear portion, and front end connects distribution terminal, rear end
There is connecting terminal；Outside source connects the collection terminal of analogue collection module by connecting terminal；Switching value output module
Output terminal passes through connecting terminal connection switch amount by connecting terminal connecting signal source, the output terminal of switching value output module
The relay of the input terminal of input module, CPU control switch amount output module send signal to switching input module, special
Sign is: distribution terminal insertion distribution terminal visualization hardware check is surveyed into auxiliary device, connecting signal source and connecting terminal,
Self-detection module is set in CPU, in memory be arranged failure logging area, after starting, detection the following steps are included:
A, examine memory: data are written into memory by CPU, then read, two groups of data are compared, unanimously show to deposit
Reservoir is qualified, otherwise shows unqualified；
B, the detection of switching input module, switching value output module:
B1, the input of detection switch amount, output function: for each output terminal of switching value output module, CPU controls its relay
Device closure, signal is sent to switching input module；
Acquisition connects the switching input module input terminal signal of the output terminal, if there is signal changes all the way, then
Output terminal output is normal；If do not changed all, output terminal output is unqualified；
If output terminal output is normal, connect on the switching input module input terminal of the output terminal, there is no letters
Number variation, to be unqualified；
The consistency that B2, detection switch amount input: the relay closure of the control output end CPU is sent signal defeated to switching value
Enter module, it is above-mentioned if all switching input module input terminal signals for connecting the output terminal change simultaneously
Input terminal is otherwise unqualified by consistency detection；
The consistency that B3, detection switch amount export: for each output terminal of switching value output module, CPU controls its relay
Device closure, signal is sent to switching input module, the time T1 of closure is recorded, and records input terminal signal hair connected to it
The time T2 for changing, digital quantity input filter time are Tb,
Digital quantity actuation time: Ts=(T2-T1)-Tb,
1) Ts is less than 10ms,
2) in continuous 10 tests, the maxima and minima deviation of Ts is no more than 3ms,
If meeting condition 1) and 2) if the output terminal uniformity test it is qualified, be otherwise unqualified；
C, the detection of analogue collection module:
The collected statistical average x and target value E of setting is calculated error e, calculation formula are as follows: e=(E-x)/E* by CPU
100%, it is unqualified if being more than 0.2% if the absolute value of e；
D, RTC block self-test: current time is written CPU RTC clock chip and starts timing, after timing for a period of time from
RTC readout clock data, are compared with the current time of CPU, are unqualified if deviation exceeds 2 seconds；
E, liquid crystal display or LED that the process and result of above-mentioned detecting step A, B, C, D pass through human-computer interaction module in distribution terminal
Lamp shows, step B, the unqualified result Write fault recording areas in C, D.
2. distribution terminal visualization hardware check according to claim 1 surveys method, it is characterised in that: step A inspection is deposited
The method of reservoir are as follows:
The data block that 4096 bytes are defined in CPU, is written data；
Since the start bit of memory, whole memory space is traversed, the data of above-mentioned data block are written every time, write-in finishes
Afterwards, then from the writing position in memory it reads, then to write-in and reading data, XOR operation is carried out, to the result of operation
It is added up and is calculated, be otherwise unqualified for result qualification if final result is zero.
3. distribution terminal visualization hardware check according to claim 1 surveys method, it is characterised in that: in step B3, number
The word amount input filter time is Tb=20ms.
4. distribution terminal visualization hardware check according to claim 1 surveys method, it is characterised in that:
Step C, the method for the detection of analogue collection module are as follows:
C1, coefficient self-adjusting is compensated to the collection terminal of analogue collection module:
When detecting for the first time, the collected statistical average x and target value E of setting is calculated error e, calculation formula by CPU are as follows:
E=(E-x)/E*100%,
Processing is compensated if being more than 0.2% if the absolute value of e, penalty coefficient α calculation formula: α=E/x, otherwise, penalty coefficient α=
1, store α；
C2, the collection terminal of analogue collection module is detected:
The collected statistical average x and target value E of setting is calculated error e, the calculation formula of e: e=(E- α x)/E* by CPU
100%, it is unqualified if being more than 0.2% if the absolute value of e.
5. distribution terminal visualization hardware check according to claim 1 surveys method, it is characterised in that:
When detecting step A, first LED light flashing；Self-test passes through, and first LED light is extinguished；Otherwise first LED light point
It is bright；
When detecting step B, second and third two LED light flashings；If On-off signal hardware anomalies, second LED light is always on,
Otherwise second LED light is extinguished；If output switch parameter hardware anomalies, third LED light is always on, and otherwise third LED light is put out
It goes out；
When detecting step C, the 4th LED light flashing；If hardware anomalies, the 4th LED light is always on；Otherwise the 4th LED light
Extinguish；
When detecting step D, the 5th LED light flashing；If hardware anomalies, the 5th LED light is always on；Otherwise the 5th LED light
Extinguish.
6. distribution terminal visualization hardware check according to claim 1 surveys method, it is characterised in that: the self-test side
Further include Aging Step in method: distribution terminal insertion distribution terminal visualization hardware check is surveyed into auxiliary device, connecting signal source
And input and output terminal, it is pushed into burn-in chamber, ageing management module, after starting, step of every 5-10 minutes execution are set in CPU
B、C、D、E。
7. distribution terminal visualization hardware check according to claim 4 surveys method, it is characterised in that: the self-test side
Further include Aging Step in method: distribution terminal insertion distribution terminal visualization hardware check is surveyed into auxiliary device, connecting signal source
And input and output terminal, it is pushed into burn-in chamber, ageing management module, after starting, step of every 5-10 minutes execution are set in CPU
B、C2、D、E。
8. distribution terminal visualization hardware check according to claim 1 or claim 7 surveys method, it is characterised in that: the starting
The method of detection includes: a, by button operation and liquid crystal display, is selected from the menu starting or b, computer connection distribution are whole
The maintenance mouth at end passes through maintenance software operation pages starting.
9. distribution terminal visualization hardware check according to claim 1 surveys method, it is characterised in that: in the test chamber
1-5 independent test positions are provided with, each test position, which is respectively set, to be started switch.
10. distribution terminal visualization hardware check according to claim 1 surveys method, it is characterised in that: output switch parameter
The output terminal of module connects the input terminal of 4-8 switching input module.
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