CN108594797A - System type power supply master control borad, driving board checking device and its detection method - Google Patents
System type power supply master control borad, driving board checking device and its detection method Download PDFInfo
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- CN108594797A CN108594797A CN201810749921.6A CN201810749921A CN108594797A CN 108594797 A CN108594797 A CN 108594797A CN 201810749921 A CN201810749921 A CN 201810749921A CN 108594797 A CN108594797 A CN 108594797A
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- 238000004088 simulation Methods 0.000 claims description 5
- 238000013021 overheating Methods 0.000 claims description 3
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- 230000008569 process Effects 0.000 description 5
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The invention discloses a kind of system type power supply master control borad, driving board checking device, including with master control borad, the sequentially connected signal conversion unit of driving plate and monitoring system；Signal conversion unit carries out voltage conversion for carrying out digital-to-analogue conversion to the digital quantity signal received to the on-off model received, and break-make control is carried out to the analog signals received, after converting, then the signal sent will be needed to send；Monitoring system is additionally operable to receive the various feedback signals sent by master control borad come through signal conversion unit transmission, is additionally operable to show the carry out state and data of every experiment for sending various command signals to signal conversion unit；Wherein, command signal includes for selecting the signal of master control borad operating mode, starting the signal of master control borad and simulating the signal of master control borad working condition.The invention also discloses a kind of detection method, solve the problems, such as that master control borad, driving plate testing cost height, efficiency are low in the prior art.
Description
Technical field
The invention belongs to technical field of automation, are related to system type power supply master control borad, driving board checking device and its detection side
Method.
Background technology
The core component of DC600V power supplys manufacturer up to 7 in industry at present, power source internal are inside complete machine
Master control borad, driving plate, by each producer's independent design and making.The master control borad controls the whole work process of power supply, in
Portion's interface and acquisition aspect are different, but there are certain similitudes in the principle for controlling and detecting various types of signal.
Driving plate controls the inversion of entire power supply, and drive signal amplitude is not of uniform size, but in the principle one of control IGBT module conducting
It causes.Now it is summarized as follows：Master control borad is power source internal control centre, and function is concentrated, and technical know-how is high, to repair and detection band
Carry out very big technical barrier；The appearance and internal circuit principle of master control borad are all different, but the function of master control borad is substantially the same, and is used
In the control and detection of DC600V power source internal contactors, the DC600V voltages of input and output AC380V voltage detectings etc..It drives
The appearance and internal circuit principle of movable plate also differ, but the function of driving plate is identical, is used to the triggering and conducting of IGBT module
And the protection of IGBT module.Master control borad can generally be divided into two major classes, mould with driving plate control with the input/output argument detected
Analog quantity signal and digital quantity signal (level signal, pulse signal).Master control borad and driving plate are in maintenance process, without specific
Testing standard judge master control borad repair quality, master control borad, driving plate for unknown failure, not reliably with it is intelligentized
Equipment is adjusted to carry out fault detect to plate.
In conclusion master control borad is the higher work of difficulty with driving plate joint debugging repair, practitioner needs to be familiar with
Whether the various functions and detection method of plate, quality after its repair of ability accurate judgement are qualified.And traditional detection method
It then needs master control borad and driving plate being installed on inside power of the whole machine, by peripheral power supply unit and load test equipment to complete machine
It just can determine that the normal and failure of master control borad and driving plate after power supply power supply experiment.This method need the more equipment in scene and
The power of the whole machine of each producer is as pilot system.This method needs huge goods and materials and time to put into, and actually cost is too high
And it is less efficient.
Invention content
The object of the present invention is to provide a kind of system type power supply master control borad, driving board checking device and its detection methods, with solution
The problem that certainly master control borad is high with driving plate testing cost, efficiency is low in the prior art.
The first technical solution of the present invention is, a kind of system type power supply master control borad, driving board checking device, including
With master control borad, the sequentially connected signal conversion unit of driving plate and monitoring system.
Signal conversion unit believes the switching value received for carrying out digital-to-analogue conversion to the digital quantity signal received
Number voltage conversion is carried out, break-make control is carried out to the analog signals that receive, after converting, then will need to send
Signal is sent.
Monitoring system is additionally operable to receive through signal conversion unit for sending various command signals to signal conversion unit
The various feedback signals sent by master control borad come are transmitted, are additionally operable to show the carry out state and data of every experiment；Wherein, it orders
It includes for selecting the signal of master control borad operating mode, the signal for starting master control borad and simulation master control borad working condition to enable signal
Signal.
Further, signal conversion unit includes detection plate and relay.
Detection plate, the digital quantity signal sent for receiving master control borad, and retransmited to prison after carrying out digital-to-analogue conversion to it
Control system；
Relay, the analog signals for sending out monitoring system are sent to master control borad after relay is attracted, simultaneously
Complete the voltage conversion between DC110V on-off models and DC24V on-off models.
Second of technical solution of the present invention is a kind of inspection of system type power supply master control borad, driving board checking device
Survey method, implements according to the following steps：
Signal conversion unit is connect by step 1 with master control borad, and switching value to the signal that DC24V is sent out by monitoring system turns
The relay of unit is changed, master control borad sends enabling signal to relay, master control borad is sent to by relay control enabling signal
Different pins, to select the operating mode of master control borad as inverter pattern or charger pattern；
Step 2, after choosing the operating mode of master control borad, master control borad starts corresponding program according to the selected mode, and
Start self-test, when self-test first initializes the on-off model and digital quantity signal of output, while detecting each digital quantity letter of input
Number, on-off model and analog signals it is whether normal；
After step 3, self-test are normal, two-way DC600V voltage analogs and two-way AC380V voltage-modes are sent out by monitoring system
Analog quantity, wherein first via DC600V voltage analogs signal after the relay contact closure of signal conversion unit, retransmit to
Master control borad, the second road DC600V voltage analogs and two-way AC380V voltage analogs are sent to the relay of signal conversion unit
The opened point of device starts to start after the first via DC600V voltage analogs that master control borad detection receives are normal；
In step 4, start-up course, master control borad successively sends out four road DC110V switching values to the relay of signal conversion unit
Device, connected after the actuating of relay of converted unit first via DC600V voltage analogs, two-way AC380V voltage analogs and
Four road DC110V switching values are to master control borad, while relay also connects four road DC24V switching values and is sent to monitoring system；
Master control borad sends out three group pulse digital quantity signals to detection plate again, and digital quantity signal is carried out digital-to-analogue conversion by detection plate
Afterwards, transformed voltage analog is sent to monitoring system, master control borad detects that each way switch amount, analog quantity and digital quantity are equal
After normal, master control borad completes start-up course；
Step 5, master control borad are completed after starting, and according to the pilot project to be carried out to master control borad, are sent by monitoring system
Simulate the analog signals of the various working conditions of master control borad, the analog signals of various working conditions through signal conversion unit after
After electric appliance is closed or disconnects, retransmit to master control borad, the operation code shown by master control borad, to judge the work of master control borad at this time
Whether normal make state.
Further, the specific method of step 3 is,
When pilot project is input overpotential test：Analog signals by monitoring system output more than rated voltage are to master control
Plate；
If master control borad judges that the voltage analog signal of input is exceeded, master control borad can show correct code, then
Indicate that this function of master control borad is normal；If master control borad does not show the code, then it represents that this function of master control borad is abnormal；
When pilot project is that input undervoltage is tested：Analog signals by monitoring system output less than rated voltage are to master control
Plate；
If master control borad judges that the voltage analog signal of input is not up to entry condition, master control borad can be shown correctly
Code, then it represents that this function of master control borad is normal；If master control borad does not show correct code, then it represents that master control borad this
Function is abnormal.
Further, the specific method of step 3 is,
When pilot project is output overvoltage, overcurrent or overload test：By monitoring system output two-way be more than specified voltage,
Electric current or load and the identical analog signals of numerical value are to signal conversion unit, and connected through the relay in signal conversion unit
Afterwards, it retransmits to master control borad；
If master control borad judges that the two-way voltage analog signal of input is higher simultaneously, master control borad can be shown correctly
Code, then it represents that this function of master control borad is normal；If master control borad does not show correct code, then it represents that the Xiang Gong of master control borad
It can be abnormal；
Pilot project is when exporting under-voltage experiment：It is identical and less than nominal input voltage by monitoring system output two-way
Analog signals retransmit after the relay in signal conversion unit is connected to master control borad to signal conversion unit；
If master control borad judges that the two-way voltage analog signal of input is relatively low simultaneously, master control borad can be shown correctly
Code, then it represents that this function of master control borad is normal；If master control borad does not show correct code, then it represents that the Xiang Gong of master control borad
It can be abnormal.
Further, the specific method of step 3 is,
When pilot project is IGBT Test to Failure：Three road DC24V on-off models to signal is exported by monitoring system to convert
Unit, and three tunnel pulse feedback digital quantity signals of shutoff signal converting unit transmission；
If master control borad judges that its own does not receive pulse feedback signal, master control borad shows correct code, then table
Show that this function of master control borad is normal；If master control borad does not show correct code, then it represents that this function of master control borad is not just
Often.
Further, the specific method of step 3 is,
When pilot project is that overheating protection is tested：By monitoring system output, DC24V on-off models to signal is converted all the way
Unit, and shutoff signal converting unit is sent to the DC24V on-off models of master control borad；
If master control borad judges the way switch amount abnormal signal, master control borad can show correct code, then it represents that main
This function of controlling plate is normal；If master control borad does not show correct code, then it represents that this function of master control borad is abnormal.
Further, the specific method of step 3 is,
When pilot project is that internal fault is tested：It is converted by different voltage analog to the signal of monitoring system output two-way
Unit, and retransmited to master control borad after the relay in signal conversion unit is connected；Wherein voltage analog is less than volume all the way
Surely the voltage value inputted, another way voltage analog are equal to the voltage value of specified input；
If master control borad judges that two-way voltage analog signal phase difference is excessively high, master control borad can be shown for correct generation
Code, then it represents that this function of master control borad is normal；If master control borad does not show correct code, then it represents that this function of master control borad
It is abnormal.
Further, the specific method of step 3 is,
When pilot project is contactor Test to Failure：Four road DC24V on-off models to signal is exported by monitoring system to turn
Unit is changed, and four road DC110V switching value feedback signals of random shutoff signal converting unit transmission are therein all the way；
If master control borad detects that DC110V On-off signals are abnormal, master control borad can show correct code, then it represents that master control
This function of plate is normal；If master control borad does not show correct code, then it represents that this function of master control borad 1 is abnormal.
Further, the specific method of step 3 is,
When pilot project is precharge Test to Failure：By monitoring system simultaneously export DC600V voltage analogs I and
DC600V voltage analogs II and DC600V voltage analogs II are less than the voltage value of specified input, wherein DC600V voltage analogs
Amount I is fed directly to master control borad, and DC600V voltage analogs II is sent to signal conversion unit；Input is detected in master control borad
When DC600V voltage analogs I is normal, master control borad starts to start, and master control borad first sends out first via DC110V switching values and send when startup
To the relay of signal conversion unit, DC600V voltage analogs II is transferred to master control borad after the actuating of relay, master control borad is sentenced
Break when DC600V voltage analogs II and crossing less than DC600V voltage analog I, master control borad shows correct code, then it represents that master control
This function of plate is normal；If master control borad does not show correct code, then it represents that this function of master control borad is abnormal；
When pilot project is normal work experiment：In the start-up course of master control borad, the real-time Inspection and monitoring system of master control borad with
Each on-off model, each voltage analog signal and each pulse feedback digital signal transmitted between master control borad；
When master control borad judges that each on-off model, each voltage analog signal and each pulse feedback digital signal are without exception
When, master control borad can show correct code, then it represents that this function of master control borad is normal；If master control borad does not show correct code,
Then indicate that this function of master control borad is abnormal.
When the specific method of further step 3 is the normal startup function that pilot project is analog-driven plate：Master control borad
Pulse signal is sent in start-up course to driving plate.
When driving plate receives the normal burst signal of master control borad transmission, monitoring system can show the six roads electricity of driving plate
Pressure is converted into positive value by negative value, and six road voltage show values are almost the same, then it represents that driving plate this function is normal；If monitoring
Six road voltage show value of system is inconsistent, then it represents that this function of driving plate is abnormal.
The invention has the advantages that the input and output by simulating master control borad peripheral data, to master control borad, driving plate
Properties experiment is carried out, is monitored with test data for the functional progress overall performance test of institute to master control borad, driving plate,
More perfect performance test can not only be carried out to master control borad and driving plate, and its operation is simple, securely and reliably, improves repair
Efficiency and qualification rate；Input cost is substantially reduced, maintenance personal is facilitated to master control borad, driving plate more fully understand and tie up
It repaiies, the entire properties data tested process and show master control borad by man-machine interface, and the performance of energy intuitive judgment plate is
No qualification.
Description of the drawings
Fig. 1 is the module connection figure of system type power supply master control board checking device of the present invention.
In figure, 1. master control borads, 2. signal conversion units, 3. monitoring systems, 4. driving plates.
Specific implementation mode
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The present invention provides a kind of railway system type power supply master control borad, 4 detection devices of driving plate, including with master control borad 1, driving
4 sequentially connected signal conversion unit 2 of plate and 3 two large divisions of monitoring system are constituted.
Signal conversion unit 2, for being converted to receiving digital quantity signal, on-off model and analog signals,
Conversion method to the digital quantity signal received specifically, carry out digital-to-analogue conversion, to the on-off model progress voltage received
Conversion carries out break-make control to the analog signals received.After converting, then the signal sent will be needed to send out
It goes.
Signal conversion unit 2 is mainly made of detection plate and relay, and the functional independence of detection plate and relay carries respectively
For and processing master control borad 1, driving plate 4 work required various conditions.
Detection plate retransmits after carrying out digital-to-analogue conversion to it to prison for receiving the digital quantity signal that master control borad 1 is sent
Control system 3；
Relay is used to the analog signals that monitoring system 3 is sent out being sent to master control borad 1 after relay is attracted, simultaneously
The voltage conversion between DC110V on-off models and DC24V on-off models is completed, and is converted into the switching value of DC110V
Signal is sent to master control borad 1, and the on-off model for being converted into DC24V is sent to monitoring system 3.
Master control borad 1 can send out four road DC110V on-off models in start-up course, through tetra- tunnels actuating of relay Hou Jiang
DC110V on-off models are converted to four road DC24V on-off models, and tetra- road DC24V on-off models of Bing Jiang are delivered to monitoring system
System 3, to monitor whether master control borad 1 correctly has sent four road DC110V on-off models.
Monitoring system 3, usually touch screen/PLC all-in-one machine, for sending various command signals to signal conversion unit 2,
It is additionally operable to receive and transmits the various feedback signals sent by master control borad 1 of coming through signal conversion unit 2；Wherein, command signal packet
The signal for selecting 1 operating mode of master control borad is included, the signal of master control borad 1 is started and simulates the signal of 1 working condition of master control borad.
Monitoring system 3 is additionally operable on the touchscreen carry out every test data the display of state and data, with realization pair
All data during master control borad 1 is tested are monitored and control.The content being particularly shown includes inputting owning for master control borad 1
Analog signals voltage data, the actuation of 1 roads start-up course Zhong Ge relay of master control borad or off-state, master control borad 1 export
Pulse signal, the output voltage signal of driving plate 4 send voltage to monitoring system 3 after the processing of signal conversion unit 2
Display.
System type power supply master control borad, the driving board checking device of the present invention, it is defeated by the input for simulating 1 peripheral data of master control borad
Go out, properties experiment is carried out to master control borad 1, driving plate 4, for the functional progress overall performance survey of institute to master control borad 1
Examination is monitored with test data.
The present invention also provides a kind of system type power supply master control borad, driving board checking device and its detection methods, according to following
Step is implemented：
Signal conversion unit 2 is connect by step 1 with master control borad 1, driving plate 4, and the simulation of DC24V is sent out by monitoring system 3
It measures to the relay of signal conversion unit 2, master control borad 1 sends enabling signal to relay, by relay control enabling signal hair
It send to the different pins of master control borad 1, to select the operating mode of master control borad 1 as inverter pattern or charger pattern；Wherein open
Dynamic signal is by the continual normality digital quantity sent out of master control borad 1；
Step 2, after choosing the operating mode of master control borad 1, master control borad 1 starts corresponding program according to the selected mode,
And starting self-test, when self-test, first initializes the on-off model and digital quantity signal of output, while detecting each digital quantity of input
Whether signal, on-off model and analog signals are normal；Corresponding failure code can be shown when self-test occurs abnormal；
After step 3, self-test are normal, two-way DC600V voltage analogs and two-way AC380V voltages are sent out by monitoring system 3
Analog quantity, wherein first via DC600V voltage analogs signal retransmit after the relay contact closure of signal conversion unit 2
To master control borad 1, the second road DC600V voltage analogs and two-way AC380V voltage analogs are sent to signal conversion unit 2
The opened point of relay starts to start after the first via DC600V voltage analogs that the detection of master control borad 1 receives are normal；
In step 4, start-up course, 1 priority of master control borad sends out four road DC110V switching values to the relay of signal conversion unit 2
Device, connected after the actuating of relay of converted unit 2 first via DC600V voltage analogs, two-way AC380V voltage analogs and
Four road DC110V switching values are to master control borad 1, while relay also connects four road DC24V switching values and is sent to monitoring system 3；
Master control borad sends out three group pulse digital quantity signals to detection plate again, and digital quantity signal is carried out digital-to-analogue conversion by detection plate
Afterwards, it is converted into voltage analog and is sent to the display voltage swing of monitoring system 3, while detection plate is sent in reception master control borad 1
Three group pulse signals when can synchronize and send out three digital quantity signals to the normally closed point of relay and be sent to master control borad 1, the relay
It is controlled by monitoring system 3.Switching value of the master control borad more than detection, four tunnel analog quantitys are main after three railway digital amounts are normal
It controls plate 1 and completes start-up course, and normal code is shown on the display window of its own；
Step 5, basis send simulation master control to master control borad 1, the pilot project to be carried out of driving plate 4 by monitoring system 3
The analog signals of 1 various working conditions of plate, the analog signals of various working conditions are closed through the relay of signal conversion unit 2
After closing or disconnecting, retransmit to master control borad 1, the operation code shown by master control borad 1, to judge the work of master control borad 1 at this time
Whether state is normal.Pulse signal is sent during master control board starting to driving plate, driving plate receives pulse signal and carries out work
Make, driving voltage value is shown by signal conversion unit 2 to monitoring system 3, whether to judge the working condition of driving plate 4 at this time
Normally.
Embodiment
A kind of master control borad, driving board checking device using the present invention presented below, fills power supply under railway DC600V vehicles
In setting, reality that the master control borad 1 that is produced after 2012 by Wuhan Zheng Yuan Railway Electrics producer, driving plate 4 make a service test
Apply example.
By the present invention master control borad, driving board checking device connect with master control borad 1, select the operating mode of master control borad 1 for
Stand-by operation after inverter pattern starts self-test, and self-test normally starts master control borad 1 afterwards, when master control borad 1 completes all start-up courses
Afterwards, the detection plate in digital quantity signal to signal conversion unit 2 can be sent out, detection plate retransmits after carrying out digital-to-analogue conversion to monitoring
System 3 can see that master control borad 1 works required various data and state by monitoring system 3.
Then specific testing experiment project is proceeded by：
When 1, inputting overpotential test：The DC600V voltage analogs I exported by monitoring system 3 and the electricity more than specified input
Pressure is worth to master control borad 1；
If master control borad 1 judges that the voltage analog signal of input is exceeded, master control borad 1 can show code 1.0, then table
Show that this function of master control borad 1 is normal, if master control borad 1 does not show the code, then it represents that this function of master control borad 1 is not just
Often.
2, when input undervoltage is tested：The DC600V voltage analogs I exported by monitoring system 3 and the electricity less than specified input
Pressure is worth to master control borad 1；
If master control borad 1 judges that the voltage analog signal of input is not up to entry condition, master control borad 1 can show generation
Code 2.0, then it represents that this function of master control borad 1 is normal；If master control borad 1 does not show the code, then it represents that master control borad 1 this
Function is abnormal.
3, when pilot project is that output overvoltage is tested：By the output two-way AC380V voltage analogs of monitoring system 3 and simultaneously
More than specified input voltage value to signal conversion unit 2, and through in signal conversion unit 2 relay connect after, retransmit
To master control borad 1；
If master control borad 1 judges that the two-way voltage analog signal of input is higher simultaneously, master control borad 1 can show code
3.0, then it represents that this function of master control borad 1 is normal；If master control borad 1 does not show the code, then it represents that the Xiang Gong of master control borad 1
It can be abnormal.
4, pilot project is when exporting under-voltage experiment：By the output two-way AC380V voltage analogs of monitoring system 3 and simultaneously
Less than specified input voltage value to signal conversion unit 2, and through in signal conversion unit 2 relay connect after retransmit to
Master control borad 1；
If master control borad 1 judges that the two-way voltage analog of input is relatively low simultaneously, master control borad 1 can show code 4.0,
Then indicate that this function of master control borad 1 is normal；If master control borad 1 does not show the code, then it represents that this function of master control borad 1 is not
Normally.
5, when pilot project is that output overcurrent is tested：By the output two-way AC380V current-modes analog quantity of monitoring system 3 and wherein
It is more than the voltage value of specified input all the way to signal conversion unit 2, and is sent out again after the relay in signal conversion unit 2 is connected
It send to master control borad 1；
If master control borad 1 judges that the two-way voltage analog of input has higher all the way, master control borad 1 can show code
5.0, then it represents that this function of master control borad 1 is normal；If master control borad 1 does not show the code, then it represents that the Xiang Gong of master control borad 1
It can be abnormal.
6, when pilot project is that output overloading is tested：By the output two-way AC380V current-modes analog quantity of monitoring system 3 and simultaneously
More than specified input voltage value to signal conversion unit 2, and through in signal conversion unit 2 relay connect after retransmit to
Master control borad 1；
If master control borad 1 judges that the two-way voltage analog of input is higher simultaneously, master control borad 1 can show code 6.0,
Then indicate that this function of master control borad 1 is normal；If master control borad 1 does not show the code, then it represents that this function of master control borad 1 is not
Normally.
7, when pilot project is IGBT Test to Failure：Three road DC24V on-off models to signal is exported by monitoring system 3 to turn
Change unit 2, and the three tunnel pulse feedback digital quantity signals that shutoff signal converting unit 2 is transmitted；
If master control borad 1 judges that its own does not receive pulse feedback signal, master control borad 1 show code 7.1,7.2,
7.3 is one such or a variety of, then it represents that this function of master control borad 1 is normal；If master control borad 1 does not show that the code is therein
It is one or more, then it represents that this function of master control borad 1 is abnormal.
8, when pilot project is that overheating protection is tested：By the output of monitoring system 3, DC24V on-off models to signal turns all the way
Unit 2 is changed, and shutoff signal converting unit 2 is sent to the DC24V on-off models of master control borad 1；
If master control borad 1 judges the way switch amount abnormal signal, master control borad 1 can show code 9.0, then it represents that master control
This function of plate 1 is normal；If master control borad 1 does not show the code, then it represents that this function of master control borad 1 is abnormal.
9, when pilot project is that internal fault is tested：The different voltage analog of two-way is exported to signal by monitoring system 3
Converting unit 2, and retransmited to master control borad 1 after the relay in signal conversion unit 2 is connected；Wherein voltage analog all the way
Less than the voltage value of specified input, another way voltage analog is equal to the voltage value of specified input；
If master control borad 1 judges that two-way voltage analog signal phase difference is excessively high, master control borad 1 can show code D5, then
Indicate that this function of master control borad 1 is normal；If master control borad 1 does not show the code, then it represents that this function of master control borad 1 is not just
Often.
10, when pilot project is contactor Test to Failure：Four road DC24V on-off models are exported to letter by monitoring system 3
Number converting unit 2, and four road DC110V switching value feedback signals of random 2 transmission of shutoff signal converting unit are therein all the way；
If master control borad 1 detects that DC110V On-off signals are abnormal, master control borad 1 can show code E1, E2, E3, E4 its
In one kind, then it represents that this function of master control borad 1 is normal；If master control borad 1 does not show the code, then it represents that master control borad 1
This function is abnormal.
11, when pilot project is precharge Test to Failure：By monitoring system 3 simultaneously export DC600V voltage analogs I and
DC600V voltage analogs II and DC600V voltage analogs II are less than the voltage value of specified input.Wherein DC600V voltage analogs
Amount I is fed directly to master control borad 1, and DC600V voltage analogs II is sent to signal conversion unit 2；Input is detected in master control borad 1
When DC600V voltage analogs I is normal, master control borad 1 starts to start, and master control borad 1 first sends out the first via DC110V switching values when startup
It is sent to the relay of signal conversion unit 2, DC600V voltage analogs II is transferred to master control borad 1, master control after the actuating of relay
When plate 1 judges that DC600V voltage analogs II is crossed less than DC600V voltage analog I, C.0 master control borad 1 shows code, then table
Show that this function of master control borad 1 is normal；If master control borad 1 does not show correct code, then it represents that this function of master control borad 1 is not just
Often.
12, when pilot project is normal work experiment：In the start-up course of master control borad 1, the detection monitoring in real time of master control borad 1 system
Each on-off model, each voltage analog signal and each pulse feedback digital signal transmitted between system 3 and master control borad 1；
When master control borad 1 judges that each on-off model, each voltage analog signal and each pulse feedback digital signal are no different
Chang Shi, master control borad 1 can show code OP, then it represents that this function of master control borad 1 is normal；If master control borad 1 does not show the code,
Then indicate that this function of master control borad 1 is abnormal.
13, when pilot project is the normal startup function of analog-driven plate：Pulse signal is sent in 1 start-up course of master control borad
To driving plate 4；
When driving plate 4 receives the normal burst signal of the transmission of master control borad 1, monitoring system 3 can show the six of driving plate
Road voltage is converted into positive value by negative value, and six road voltage show values are almost the same, then it represents that 4 this function of driving plate is normal；Such as
3 six road voltage show value of fruit monitoring system is inconsistent, then it represents that this function of driving plate 4 is abnormal.
After the above experiment experiment is normal, illustrate that master control borad 1, driving plate 4 are up-to-standard.Entire experiment process is by monitoring
The touch panel monitor system of system 3 simultaneously shows various analog signals data and on-off model state, and passes through signal conversion unit 2
Interior detection plate carries out signal conversion to master control borad 1, driving plate 4 with relay and is sent to touch screen/PLC all-in-one machine, realizes to whole
The data of a experiment are monitored.
It can be seen from above-described embodiment that the detection device energy comprehensive simulated master control borad 1 of the present invention, driving plate 4 be not
With the operational data under operating condition, whether analysis master control borad 1, the properties of driving plate 4 are qualified；The detection device can be to master
Control plate 1, driving plate 4 all data monitored in real time, its working condition and work in every data are shown by touch screen, it is whole
A process is intuitive, clearly；The various operating modes of master control borad 1 can be arranged in the detection device, can simulate master control borad 1 in inverter work
State under operation mode and charger operating mode, the testing stand is simple to operate, in use, first connecting master control borad 1
To master control borad 1,4 detection device of driving plate signal conversion unit 2 on, then pass through the touch screen of monitoring system 3 select work
State can open test procedure.Solve the problems, such as that 1 testing cost of master control borad is high in the prior art, efficiency is low.
Claims (10)
1. a kind of system type power supply master control borad, driving board checking device, which is characterized in that including with master control borad (1), driving plate (4)
Sequentially connected signal conversion unit (2) and monitoring system (3)；
The signal conversion unit (2), for carrying out digital-to-analogue conversion to the digital quantity signal received, to the switch received
It measures signal and carries out voltage conversion, break-make control is carried out to the analog signals received, after converting, then will need to send out
The signal gone is sent；
The monitoring system (3) is additionally operable to receive for sending various command signals to the signal conversion unit (2)
The various feedback signals sent by master control borad (1), driving plate (4) come are transmitted through the signal conversion unit (2), are additionally operable to
The carry out state and data of the every experiment of display；Wherein, the command signal includes for selecting master control borad (1) operating mode
Signal, start master control borad (1) signal and simulation master control borad (1) working condition signal.
2. detection device as described in claim 1, which is characterized in that the signal conversion unit (2) include detection plate and
Relay；
The detection plate, the digital quantity signal sent for receiving master control borad (1), and retransmited after carrying out digital-to-analogue conversion to it
To monitoring system (3)；
The relay, for the analog signals that monitoring system (3) is sent out to be sent to master control borad after relay is attracted
(1), the voltage conversion being completed at the same time between DC110V on-off models and DC24V on-off models.
3. a kind of system type power supply master control borad as claimed in claim 1 or 2, the detection method for driving board checking device, feature
It is, implements according to the following steps：
The signal conversion unit (2) is connect by step 1 with master control borad (1), and opening for DC24V is sent out by the monitoring system (3)
Pass is measured to the relay of signal conversion unit (2), and master control borad (1) sends enabling signal to relay, controlled by relay described in
Enabling signal is sent to the different pins of master control borad (1), to select the operating mode of master control borad (1) as inverter pattern or charging
Machine pattern；
Step 2, after choosing the operating mode of master control borad (1), master control borad (1) starts corresponding program according to the selected mode,
And starting self-test, when self-test, first initializes the on-off model and digital quantity signal of output, while detecting each digital quantity of input
Whether signal, on-off model and analog signals are normal；
After step 3, self-test are normal, two-way DC600V voltage analogs and two-way AC380V voltage-modes are sent out by monitoring system (3)
Analog quantity, wherein first via DC600V voltage analogs signal retransmit after the relay contact closure of signal conversion unit (2)
To master control borad (1), the second road DC600V voltage analogs and two-way AC380V voltage analogs are sent to signal conversion unit
(2) opened point of relay starts to open after the first via DC600V voltage analogs that master control borad (1) detection receives are normal
It is dynamic；
In step 4, start-up course, the master control borad (1) successively sends out four road DC110V switching values to the signal conversion unit
(2) relay connects first via DC600V voltage analogs, two-way AC380V after the actuating of relay of converted unit (2)
Voltage analog and four road DC110V switching values are to master control borad (1), while relay is also connected four road DC24V switching values and is sent to
Monitoring system (3)；
Master control borad (1) sends out three group pulse digital quantity signals to detection plate again, and digital quantity signal is carried out digital-to-analogue conversion by detection plate
Afterwards, transformed voltage analog is sent to monitoring system (3), master control borad (1) detects each way switch amount, analog quantity sum number
After word amount is normal, master control borad (1) completes start-up course；
Step 5, master control borad (1) are completed after starting, according to master control borad (1) pilot project to be carried out, by monitoring system (3)
The analog signals of simulation master control borad (1) various working conditions are sent, the analog signals of various working conditions are converted through signal
It after the relay of unit (2) is closed or disconnects, retransmits to master control borad (1), the operation code shown by master control borad (1) is come
Judge whether the working condition of master control borad (1) at this time is normal.
4. detection method as claimed in claim 3, which is characterized in that the specific method of the step 3 is,
When the pilot project is input overpotential test：The analog signals of rated voltage are more than extremely by monitoring system (3) output
Master control borad (1)；
If master control borad (1) judges that the voltage analog signal of input is exceeded, master control borad (1) can show correct code,
Then indicate that this function of master control borad (1) is normal；If master control borad (1) does not show the code, then it represents that master control borad (1) this
Function is abnormal；
When the pilot project is that input undervoltage is tested：The analog signals of rated voltage are less than extremely by monitoring system (3) output
Master control borad (1)；
If master control borad (1) judges that the voltage analog signal of input is not up to entry condition, master control borad (1) can be shown just
True code, then it represents that this function of master control borad (1) is normal；If master control borad (1) does not show correct code, then it represents that master control
This function of plate (1) is abnormal.
5. detection method as claimed in claim 3, which is characterized in that the specific method of the step 3 is,
When the pilot project is output overvoltage, overcurrent or overload test：It is more than by the monitoring system (3) output two-way specified
Voltage, electric current or load and the identical analog signals of numerical value to the signal conversion unit (2), and through signal conversion unit
(2) it after the relay in is connected, retransmits to master control borad (1)；
If master control borad (1) judges that the two-way voltage analog signal of input is higher simultaneously, the master control borad (1) can show
Correct code, then it represents that this function of the master control borad (1) is normal；If master control borad (1) does not show correct code, table
Show that this function of master control borad (1) is abnormal；
The pilot project is when exporting under-voltage experiment：It is identical by the monitoring system (3) output two-way and less than specified defeated
Enter the analog signals of voltage to the signal conversion unit (2), and after the relay in signal conversion unit (2) is connected again
It is sent to master control borad (1)；
If master control borad (1) judges that the two-way voltage analog signal of input is relatively low simultaneously, master control borad (1) can be shown correctly
Code, then it represents that this function of master control borad (1) is normal；If master control borad (1) does not show correct code, then it represents that master control borad
(1) this function is abnormal.
6. detection method as claimed in claim 3, which is characterized in that the specific method of the step 3 is,
When the pilot project is IGBT Test to Failure：Three road DC24V on-off models to signal is exported by monitoring system (3) to turn
Change unit (2), and three tunnel pulse feedback digital quantity signals of shutoff signal converting unit (2) transmission；
If master control borad (1) judges that its own does not receive pulse feedback digital quantity signal, master control borad (1) shows correct generation
Code, then it represents that this function of master control borad (1) is normal；If master control borad (1) does not show correct code, then it represents that master control borad
(1) this function is abnormal.
7. detection method as claimed in claim 3, which is characterized in that the specific method of the step 3 is,
When the pilot project is that overheating protection is tested：By monitoring system (3) output, DC24V on-off models to signal turns all the way
Unit (2) is changed, and shutoff signal converting unit (2) is sent to the DC24V on-off models of master control borad (1)；
If master control borad (1) judges the way switch amount abnormal signal, master control borad (1) can show correct code, then it represents that
This function of master control borad (1) is normal；If master control borad (1) does not show correct code, then it represents that this function of master control borad (1)
It is abnormal.
8. detection method as claimed in claim 3, which is characterized in that the specific method of the step 3 is,
When the pilot project is that internal fault is tested：By the different voltage analog of monitoring system (3) output two-way to signal
Converting unit (2), and retransmited to master control borad (1) after the relay in signal conversion unit (2) is connected；Wherein voltage all the way
Analog quantity is less than the voltage value of specified input, and another way voltage analog is equal to the voltage value of specified input；
If master control borad (1) judges that two-way voltage analog signal phase difference is excessively high, master control borad (1) can be shown for correct generation
Code, then it represents that this function of master control borad (1) is normal；If master control borad (1) does not show correct code, then it represents that master control borad (1)
This function it is abnormal.
9. detection method as claimed in claim 3, which is characterized in that the specific method of the step 3 is,
When the pilot project is contactor Test to Failure：Four road DC24V on-off models are exported to signal by monitoring system (3)
Converting unit (2), and four road DC110V switching value feedback signals therein one of random shutoff signal converting unit (2) transmission
Road；
If master control borad (1) detects that DC110V On-off signals are abnormal, master control borad (1) can show correct code, then it represents that main
This function of controlling plate (1) is normal；If master control borad (1) does not show correct code, then it represents that this function of master control borad 1 is not just
Often.
10. detection method as claimed in claim 3, which is characterized in that the specific method of the step 3 is,
When the pilot project is precharge Test to Failure：By monitoring system (3) and meanwhile export DC600V voltage analogs I and
DC600V voltage analogs II and DC600V voltage analogs II are less than the voltage value of specified input, wherein DC600V voltage analogs
Amount I is fed directly to master control borad (1), and DC600V voltage analogs II is sent to signal conversion unit (2)；It is detected in master control borad (1)
When the DC600V voltage analogs I of input is normal, master control borad (1) starts to start, and master control borad (1) first sends out the first via when startup
DC110V switching values are sent to the relay of signal conversion unit (2), transmit DC600V voltage analogs II after the actuating of relay
To master control borad (1), when master control borad (1) judges that DC600V voltage analogs II is crossed less than DC600V voltage analog I, master control borad
(1) correct code is shown, then it represents that this function of master control borad (1) is normal；If master control borad (1) does not show correct code,
Indicate that this function of master control borad (1) is abnormal；
When the pilot project is normal work experiment：In the start-up course of master control borad (1), master control borad (1) detection monitoring in real time
Each on-off model, each voltage analog signal and each pulse feedback number letter transmitted between system (3) and master control borad (1)
Number；
When master control borad (1) judges that each on-off model, each voltage analog signal and each pulse feedback digital signal are without exception
When, master control borad (1) can show correct code, then it represents that this function of master control borad (1) is normal；If master control borad (1) is not shown
Correct code, then it represents that this function of master control borad (1) is abnormal.
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| CN201810749921.6A CN108594797A (en) | 2018-07-10 | 2018-07-10 | System type power supply master control borad, driving board checking device and its detection method |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112526264A (en) * | 2020-11-26 | 2021-03-19 | 苏州市万松电气有限公司 | Single-phase inverter detection system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137958A (en) * | 2015-07-22 | 2015-12-09 | 北京九方宏信交通装备有限公司 | Railway under-vehicle power supply main control board detection device and detection method |
| CN206292377U (en) * | 2016-12-23 | 2017-06-30 | 北京九方宏信交通装备有限公司 | Inverter master control borad fault detection means in track traffic |
-
2018
- 2018-07-10 CN CN201810749921.6A patent/CN108594797A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137958A (en) * | 2015-07-22 | 2015-12-09 | 北京九方宏信交通装备有限公司 | Railway under-vehicle power supply main control board detection device and detection method |
| CN206292377U (en) * | 2016-12-23 | 2017-06-30 | 北京九方宏信交通装备有限公司 | Inverter master control borad fault detection means in track traffic |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112526264A (en) * | 2020-11-26 | 2021-03-19 | 苏州市万松电气有限公司 | Single-phase inverter detection system |
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