CN107659336A - The function test method and system of a kind of power line carrier module - Google Patents
The function test method and system of a kind of power line carrier module Download PDFInfo
- Publication number
- CN107659336A CN107659336A CN201710719382.7A CN201710719382A CN107659336A CN 107659336 A CN107659336 A CN 107659336A CN 201710719382 A CN201710719382 A CN 201710719382A CN 107659336 A CN107659336 A CN 107659336A
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- carrier module
- test
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- module
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
Abstract
The present invention relates to carrier meter reading system detection field, there is provided a kind of function test method of power line carrier module, to solve the problems, such as that carrier module function test method is complicated in the prior art and test function is single, the inventive method, including step:S1:Reception starts test instruction, accesses power supply;S2:Carrier module is tested according to default testing process, test data is preserved and test data is uploaded to terminal., can be easy to operate simple with the performance detection of one-key operation carrier module by the function test method of the bandwidth carrier module of the present invention, and test function is complete.
Description
Technical field
The present invention relates to carrier meter reading system detection field, more particularly to a kind of functional test side of power line carrier module
Method and system.
Background technology
Carrier module is an indispensable part in carrier intelligent copy controller, therefore must ensure carrier module
Normal use and the communication with copy controller.In the prior art, the detection general flow of bandwidth carrier module is complex, and
The function of detection is also not comprehensive enough, therefore the copy controller to loading onto bandwidth carrier module later also has a certain impact.
Such as the U of Publication No. CN 205195701 Chinese patent, a kind of carrier module test device is disclosed, including
Base, the operation handle being arranged on the base, the pressing plate moved up and down is driven by the operation handle and is arranged at institute
The support plate on base is stated, the support plate is located at below the pressing plate, the support plate and the test module being arranged in the base
Electrical connection;The test module includes main control MCU, bluetooth communication, ethernet interface module, test on-off circuit, result
Display module, base table module and power-switching circuit, the power-switching circuit are connected with power supply, are each module for power supply, institute
State bluetooth communication, ethernet interface module, test on-off circuit, result display module and base table module respectively with it is described
Main control MCU is connected.
Under the utility model participates in when testing carrier module without host computer, it can quickly judge whether carrier communication succeeds.
Above-mentioned carrier module test device of the prior art can only quickly judge carrier communication function, the carrier module
Power consumption, status-pin, version information, connection the performance such as computer address and sensitivity, signal amplitude can not all detect.
, can be with one-key operation list in summary, it is necessary to propose a kind of function test method and system of bandwidth carrier module
Phase carrier module, Three Phase Carrier Based module, the performance detection of concentrator Local Communication Module, and the data of detection can be uploaded to
Terminal is analyzed and judged.
The content of the invention
The purpose of the present invention be for prior art carrier module test function it is single and testing process is complicated asks
Topic, there is provided the function test method and system of a kind of power line carrier module, can be carried with a key to single-phase carrier module, three-phase
Ripple module, concentrator Local Communication Module complete performance detection.
In order to realize the above object, the present invention uses following technical scheme:
A kind of function test method of power line carrier module, including step:
S1:Reception starts test instruction, accesses power supply;
S2:Carrier module is tested according to default testing process, test data is preserved and is uploaded to test data
Terminal.
Further, step S1 includes:
Reception starts test instruction, accesses power supply, the bar code on the carrier module is scanned, described in record
Carrier module is numbered and is uploaded to terminal.
Further, step S2 includes:
S21:Power consumption of the carrier module under preset state is tested, preserves and uploads the power consumption data to terminal;
S22:The carrier module is resetted, receives the pre-set commands with carrier module described in response;
S23:The status-pin of the carrier module is detected, preserves and uploads the status-pin data to terminal;
S24:By the computer hardware address of the carrier module, hardware version numbers, software version number, version information with it is pre-
If information is compared, the comparison information is preserved and is uploaded to terminal;
S25:The data of preset byte length are coupled to power line, by attenuator, calculate the sensitive of the carrier module
Degree, preserves the sensitivity and is uploaded to terminal;
S26:By sound detector, the signal amplitude of the carrier module is tested, the range value is preserved and is uploaded to meter
Calculation machine terminal;
S27:Read the phase information of the carrier module.
Wherein, the test data is uploaded to by terminal by RJ45 network interfaces.
It is possible to further test one or more carrier module simultaneously.
A kind of function test system of power line carrier module, including:
Instruction module is received, starts test instruction for receiving, accesses power supply;
Test module, for being tested according to default testing process carrier module, preserve test data and will test
Data are uploaded to terminal.
Further, the test module includes:
Consumption detection unit, for testing power consumption of the carrier module under preset state, preserve and upload the power consumption data
To terminal;
Reset unit, for resetting the carrier module, receive the pre-set commands with carrier module described in response;
Status-pin unit is detected, for detecting the status-pin of the carrier module, preserves and uploads the status-pin
Data are to terminal;
Comparing unit, for by the computer hardware address of the carrier module, hardware version numbers, software version number, version
This information is compared with presupposed information, and the comparison information is preserved and is uploaded to terminal;
Detection sensitivity unit, for coupling the data of preset byte length to power line, by attenuator, described in calculating
The sensitivity of carrier module, preserve the sensitivity and be uploaded to terminal;
Detection signal magnitude unit, for by sound detector, testing the signal amplitude of the carrier module, described in preservation
Range value is simultaneously uploaded to terminal;
Phase information unit is read, for reading the phase information of the carrier module.
The invention has the advantages that by test module, being capable of one-key operation single-phase carrier module, three carrier wave moulds
The performance detection of block, concentrator Local Communication Module, simplified testing process, adds test function, improves testing efficiency.
Brief description of the drawings
Fig. 1 is the method flow diagram one that the embodiment of the present invention one provides;
Fig. 2 is the method flow diagram two that the embodiment of the present invention one provides;
Fig. 3 is the MAX4080 fundamental diagrams that the embodiment of the present invention one provides.
Fig. 4 is the system construction drawing one that the embodiment of the present invention two provides;
Fig. 5 is the system construction drawing two that the embodiment of the present invention two provides.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
A kind of function test method of power line carrier module is present embodiments provided, as shown in Figure 1 to Figure 3, including step
Suddenly:
S1:Reception starts test instruction, accesses power supply;
S2:Carrier module is tested according to default testing process, test data is preserved and is uploaded to test data
Terminal.
, it is necessary to which the tested carrier module of manual handle is placed and taken out in test fixture in the present embodiment, then button starts,
It is unqualified to need artificial treatment intervention or scanning bar code starts.
Button starts or scanning bar code startup is to start test instruction, and in the present embodiment, reception starts test and referred to
While order, power supply is accessed.Voltage is changed into 220V alternating currents by power supply using isolating transformer, the present embodiment
Purpose is that the alternating current after transformation passes through plastic packaging transformer, drops into 15V commutating voltages to provide fixture system power supply, pass through carrier wave
Signal coupling circuit and zero passage point sampling.
Plastic packaging transformer output AC12V is rectified into dc source position 12V*1.414=DC17V.DC17V is defeated by 7812
Going out DC12V, (7812 have output short circuit protection function, tested module short circuit feelings with control carrier operation power supply is copied to tested carrier module
Condition need not add fuse).12V changes into 3.3V by DC/DC and provides power supply to CPU.And 12V DC power supply change into 5V,
3.3V、1.2V.CPU and contrast accompany to survey between power line carrier module accompanies survey power line carrier module by serial communication, contrast
The order that transparent transmission issues, it is coupled on coupling circuit (coupling line is AC220V circuits).
The communication serial ports surveyed between power line carrier module is accompanied by power supply and CPU and contrast, to carrier module
Tested according to default testing process, including carrier module to be tested and accompany survey power line carrier module between communication, treat
Test static state, the dynamic parameter of carrier module.
And the data of test are preserved and are uploaded to terminal.
The step of test is:
S21:Power consumption of the carrier module under preset state is tested, preserves and uploads the power consumption data to terminal;
The power consumption under preset state wherein in the present embodiment includes:Power consumption under static, the power consumption under 12V, the power consumption under 3.3V,
Power consumption under 1.2V.To the power consumption under various states of the analog carrier module in practice.So as to obtain the carrier wave mould
The power consumption data of block.
The 1R resistance as shown in figure 3, carrier module quiescent dissipation is connected on 200mA, 12V working power, with high-end electricity
Banish large chip MAX4080TAST (multiplication factor 64).200MA*1R*64=1280mV, MAX4080 output are entered by amplifier
Row is followed, and the AD (12 bit resolution) for then entering CPU is sampled, and 200mA normal condition electric current corresponding A D mouths are 1280mV left
It is right.The direct electric resistance partial pressure of 12V, 3.3V, 1.2V, then carry out ad samplings.
S22:The carrier module is resetted, receives the pre-set commands with carrier module described in response;Wherein reception and response
The pre-set commands of the carrier module, including the carrier module write order, write order are normally responded, and read command, read command are normal
Respond, by sending each communications protocol, carry out startup order, report operating current, report operating voltage, report amplitude, report
Sensitivity, report phase and reporting fault pin etc. order, for judge the carrier module communications protocol whether normal operation.
S23:The status-pin of the carrier module is detected, preserves and uploads the status-pin data to terminal;
The status-pin of the carrier module is detected, judges whether status-pin is in preset state.
S24:By the computer hardware address of the carrier module, hardware version numbers, software version number, version information with it is pre-
If information is compared, the comparison information is preserved and is uploaded to terminal;This step be in order to determine, carrier module
Link address, version information, software and hardware version number, the species model and version of carrier module in the market are numerous and diverse, institute
With the software and hardware information of tested module to be determined, so as to avoid can not being matched with copy controller after the completion of production, can not carry out
Use.
S25:The data of preset byte length are coupled to power line, by attenuator, calculate the sensitive of the carrier module
Degree, preserves the sensitivity and is uploaded to terminal;In the present embodiment power line carrier module and tested load are surveyed by accompanying
Between ripple module between coupling circuit (AC220V) connect a 75DB hardware attenuator, test signal transmission distance, from
And to test the signal attenuation ability of the tested carrier module.
S26:By sound detector, the signal amplitude of the carrier module is tested, the range value is preserved and is uploaded to meter
Calculation machine terminal;
S27:Read the phase information of the carrier module.
Idiographic flow is as follows:
(1):Scan bar code, (automatically scanning module, bar code either scans rifle).
(2):Artificial detection PCB whether Short Item, device is damaged, stitch is crooked, and PCB is scratched etc..
(3):Frock is put into, depresses handle, triggers the travel switch in laminating mechanism, starts test.
(4):Receive and start test command, it can be button, travel switch, PC to start order.
(5):Limit switch provides modules A C220V and DC12V power supply.
(6):Treat that system is stable, test quiescent dissipation, 12V, 3.3V, 1.2V, upload power data.
(7):Carrier module is resetted, receives carrier module order, response carrier module order.
(8):Status-pin " STA (GPIO) " is detected, uploads status-pin data.
(9):MAC Address, hardware version numbers, software version number, version information are compared, uploads comparison data.
(10):The data of 100 byte lengths are coupled to power line, by attenuator, test carrier sensitivity.
(11):While coupled signal, by sound detector, test signal amplitude, amplitude data is uploaded.
(12):Startup separator report flow, test failure report pin, upload data.
(13):Phase test;Phase information is read by serial ports.
(14):Limit switch disconnects, and lower electricity, safely removes tested module.
Wherein, the test data is uploaded to by terminal by RJ45 network interfaces.
It is possible to further test one or more carrier module simultaneously.In the present embodiment, frock test is 1 ratio
4, i.e. a frock can improve testing efficiency with one while 4 carrier modules of survey.
The present embodiment preserves test by accompanying the communication and detection surveyed between power line carrier module and tested carrier module
Data are simultaneously uploaded to terminal, realize the performance detection of each carrier module of one-key operation, pass through test module, Neng Gouyi
Key completes single-phase carrier module, three carrier modules, the performance detection of concentrator Local Communication Module, simplifies testing process,
Test function is added, improves testing efficiency.
Embodiment two
A kind of function test system of power line carrier module is present embodiments provided, as shown in Fig. 4 to Fig. 5, including:
Instruction module is received, starts test instruction for receiving, accesses power supply;
Test module, for being tested according to default testing process carrier module, preserve test data and will test
Data are uploaded to terminal.
Wherein test module includes:
Consumption detection unit, for testing power consumption of the carrier module under preset state, preserve and upload the power consumption data
To terminal;
Reset unit, for resetting the carrier module, receive the pre-set commands with carrier module described in response;
Status-pin unit is detected, for detecting the status-pin of the carrier module, preserves and uploads the status-pin
Data are to terminal;
Comparing unit, for by the computer hardware address of the carrier module, hardware version numbers, software version number, version
This information is compared with presupposed information, and the comparison information is preserved and is uploaded to terminal;
Detection sensitivity unit, for coupling the data of preset byte length to power line, by attenuator, described in calculating
The sensitivity of carrier module, preserve the sensitivity and be uploaded to terminal;
Detection signal magnitude unit, for by sound detector, testing the signal amplitude of the carrier module, described in preservation
Range value is simultaneously uploaded to terminal;
Phase information unit is read, for reading the phase information of the carrier module.
Wave filter is provided with the present embodiment, is arranged between power line and test system, for filtering out noise, eliminates ring
The influence that border is brought, it can be stablized relatively after device after filtering, the power line communication environment of low noise, safety, in this environment
Lower detected carrier properties of product.And when testing the situation of multiple carrier modules at the same time, eliminate frock and pass through line each other
Road coupling interferes with each other.
This test system is based on needle-bar and laminating mechanism, needle-bar upper stroke switch, and pressing could start to test in place.
This test system includes storage module, includes EEPROM-AT24C16, E2 mainly store it is unqualified with it is qualified
The more parameters of erasable number such as number, and lower electricity need the arrange parameter of preservation system.Also include FlASH-8M, storage is
The test information of each tested module, the test parameter of 30 day time of storage, there is provided button has the function of clearing data.
Further, the present embodiment provide a kind of power line carrier module function test system also include LED module,
Alarm module, infrared communication module.
LED module is placed on needle-bar, is tested communication lamp on/off state by light-sensitive element, is passed through CPU external trigger
Interrupt, as long as being that LED there are two kinds of light on and off in communication, it is believed that LED is normal, does not do Time-Series analysis, uploads data to CPU.
Alarm module exports for 2 tunnels, the mode of sampling optocoupler driving, can connect external acoustic-optic alarm, prompt behaviour
Make worker block test is normal and abnormality.
Infrared communication module testing is tested the infrared communication function of carrier module mould.
The present embodiment, by the test and communication between each module in test module, realize one-key operation and complete each quilt
The performance detection of carrier module, simplifies testing process, adds the test function of carrier module, improves testing efficiency.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (7)
1. a kind of function test method of power line carrier module, it is characterised in that including step:
S1:Reception starts test instruction, accesses power supply;
S2:Carrier module is tested according to default testing process, test data is preserved and test data is uploaded to calculating
Machine terminal.
A kind of 2. function test method of power line carrier module according to claim 1, it is characterised in that step S1 bags
Include:
Reception starts test instruction, accesses power supply, the bar code on the carrier module is scanned, records the carrier wave
Module is numbered and is uploaded to terminal.
A kind of 3. function test method of power line carrier module according to claim 2, it is characterised in that step S2 bags
Include:
S21:Power consumption of the carrier module under preset state is tested, preserves and uploads the power consumption data to terminal;
S22:The carrier module is resetted, receives the pre-set commands with carrier module described in response;
S23:The status-pin of the carrier module is detected, preserves and uploads the status-pin data to terminal;
S24:By the computer hardware address of the carrier module, hardware version numbers, software version number, version information and default letter
Breath is compared, and the comparison information is preserved and is uploaded to terminal;
S25:The data of preset byte length are coupled to power line, by attenuator, the sensitivity of the carrier module is calculated, protects
Deposit the sensitivity and be uploaded to terminal;
S26:By sound detector, the signal amplitude of the carrier module is tested, the range value is preserved and is uploaded to computer
Terminal;
S27:Read the phase information of the carrier module.
A kind of 4. function test method of power line carrier module according to claim 3, it is characterised in that:Pass through RJ45
The test data is uploaded to terminal by network interface.
A kind of 5. function test method of power line carrier module according to claim 1, it is characterised in that:Can be simultaneously
Test one or more carrier module.
A kind of 6. function test system of power line carrier module, it is characterised in that including:
Instruction module is received, starts test instruction for receiving, accesses power supply;
Test module, for being tested according to default testing process carrier module, preserve test data and by test data
It is uploaded to terminal.
A kind of 7. function test system of power line carrier module according to claim 6, it is characterised in that the test
Module includes:
Consumption detection unit, for testing power consumption of the carrier module under preset state, preserve and upload the power consumption data to meter
Calculation machine terminal;
Reset unit, for resetting the carrier module, receive the pre-set commands with carrier module described in response;
Status-pin unit is detected, for detecting the status-pin of the carrier module, preserves and uploads the status-pin data
To terminal;
Comparing unit, for the computer hardware address of the carrier module, hardware version numbers, software version number, version to be believed
Breath is compared with presupposed information, and the comparison information is preserved and is uploaded to terminal;
Detection sensitivity unit, the data for coupling preset byte length, by attenuator, calculate the carrier wave to power line
The sensitivity of module, preserve the sensitivity and be uploaded to terminal;
Detection signal magnitude unit, for by sound detector, testing the signal amplitude of the carrier module, preserving the amplitude
It is worth and is uploaded to terminal;
Phase information unit is read, for reading the phase information of the carrier module.
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CN109035746A (en) * | 2018-07-30 | 2018-12-18 | 深圳市科陆电子科技股份有限公司 | A kind of the function judgment method and system of centralized meter reading terminal |
CN112039557A (en) * | 2020-09-07 | 2020-12-04 | 陕西银河电力仪表股份有限公司 | High-speed power line carrier testing system and method for High Performance Liquid Chromatography (HPLC) |
CN113872639A (en) * | 2021-09-24 | 2021-12-31 | 广东电网有限责任公司 | Function test method of power line carrier module, electronic device and storage medium |
CN114726404A (en) * | 2022-02-24 | 2022-07-08 | 江苏芯云电子科技有限公司 | Automatic detection system and method for broadband power line carrier communication module |
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