CN104849631B - A kind of locomotive roof insulation testing system - Google Patents
A kind of locomotive roof insulation testing system Download PDFInfo
- Publication number
- CN104849631B CN104849631B CN201510249886.8A CN201510249886A CN104849631B CN 104849631 B CN104849631 B CN 104849631B CN 201510249886 A CN201510249886 A CN 201510249886A CN 104849631 B CN104849631 B CN 104849631B
- Authority
- CN
- China
- Prior art keywords
- module
- test
- input
- signal
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a kind of locomotive roof insulation testing system, including energy supply control module (1), high pressure generation module (2), test interface module (3), test condition signal input module (4), MCU module (5), human-machine interface module (6) and data communication module (7)；When being tested using the system, next step operation could be carried out in correct state by only detecting test condition signal, after condition possesses and inputs necessary tester's information, press test button and carry out megger test, the insulating resistance value of detection is shown after the completion of test by LCD, and provides the whether qualified test result of top insulation resistance；In test process, each step has voice message status or next step operating method.The present invention provides a kind of easily means for the test of locomotive roof insulaion resistance, enhances the safe operation management of locomotive.
Description
Technical field
The present invention relates to megger test field, more particularly to a kind of locomotive roof insulation testing system.
Background technology
Power locomotive top high-tension apparatus is outdoor installation, and its insulation is easily influenceed by external environment, to ensure machine
Car operation safety, needs periodically or top insulation situation is detected.
Existing top insulation detection mainly has two ways, and a kind of mode is to climb up roof use megaohm by operating personnel
Table is tested, although this mode directly, not enough facilitates, operating personnel climbs up roof, and there is also potential safety hazard.It is another
Mode is electric by locomotive DC 110V by installing a kind of detection of special test equipment realization to top insulation, the equipment in locomotive
Source inversion be AC100V send into high-voltage mutual inductor secondary side, thus transformer primary side produce AC25KV high pressure, survey
Examination personnel judge locomotive roof state of insulation according to the display of the voltage of drivers' cab voltmeter.This mode although more convenient peace
Entirely, but the insulating resistance value of precise quantification can not be provided.Above two mode does not have tester's identity information and test simultaneously
As a result automatic recording function, does not possess management function, and leak is left to safety management.
The content of the invention
The present invention provides a kind of locomotive roof insulation testing system, constitutes modularization by hardware and operating process is standardized
Design, to overcome the shortcomings of existing test system in terms of security, measuring accuracy and management function.
The technical solution adopted by the present invention is, a kind of locomotive roof insulation testing system, including energy supply control module (1),
High pressure generation module (2), test interface module (3), test condition signal input module (4), MCU module (5), human-machine interface mouth mold
Block (6) and data communication module (7)；Energy supply control module (1) input connects locomotive DC 110V power supplys, output end and height
Press the input connection of generation module (2), the control signal input of energy supply control module (1) and the first of MCU module (5) defeated
Enter output port to be connected；The output end of the high pressure generation module (2) is connected with the input of test interface module (3), high pressure
The signal detection and control end of generation module (2) are connected with the sample port of MCU module (5) and PWM1 ports respectively；It is described to survey
Examination interface module (3) is installed in top insulation, and its output end is connected with measurand, the control of test interface module (3)
Input is connected with the second input/output port of MCU module (5)；The signal of the test condition signal input module (4) is defeated
Enter end to be connected with 8 travel permit part input signal lead-out wires, 8 travel permit part input signals include pantograph drop bow signal, top door closure
Signal, driver's key signal, main circuit breaker cut-off signal and 4 road spare input signals, test condition signal input module (4)
8 travel permit part input signals of correspondence are provided with 8 level configuration switch, for condition entry signal to be uniformly converted into 8 road high level
Output, 8 tunnel output signals with gate output with the 3rd input/output port of MCU module (5) by being connected.
A kind of locomotive roof insulation testing system of the present invention, its workflow comprises the following steps.
S1：Switch on power switch, and system electrification is initialized, and the first input/output port output of MCU module (5) is low
Level, makes energy supply control module (1) without output, the PWM1 ports locking output of MCU module (5) makes high pressure generation module (2) nothing
High voltage output, into step S2.
S2：MCU module (5) detects the 3rd input/output port level, judges the defeated of test condition signal input module (4)
Whether be high level, if not then human-machine interface module (6) provides the voice of " not possessing test condition " to high level if going out signal
Prompting, waits test condition ready, if high level then enters step S3.
S3：The ready lamp of test condition of human-machine interface module (6) is bright, input test person number is waited, if MCU module
(5) input for being not detected by human-machine interface module (6) completes signal, then human-machine interface module (6) " please every voice message in 10 seconds
Input test person number ", enters step S4 if input is completed.
S4：MCU module (5) is matched to tester's numbering of input, if illegal numbering, then human-machine interface module
(6) voice message " tester's numbering is incorrect, please re-enter " is provided, return to step S2, if input numbering is correct, enters
Enter step S5.
S5：If MCU module (5) is not detected by the beginning test signal of human-machine interface module (6), human-machine interface module
(6) " please tested every voice message in 10 seconds by test button ", if test key-press input signal is detected, into step
S6。
S6：Human-machine interface module (6) provides voice message " please wait completion to be tested ", and the second input of MCU module (5) is defeated
Exit port exports high level, and test interface module (3) connects measurand, the first input/output port output of MCU module (5)
High level, makes energy supply control module (1) output end out-put supply give high pressure generation module (2), into step S7.
S7：The PWM1 ports output pwm signal of MCU module (5), control high pressure generation module (2) output high pressure to test
Interface module (3), MCU module (5) gathers current sensing signal by sample port, and MCU module (5) calculates the exhausted of measurand
Edge resistance value, calculates and completes to enter step S8.
S8：The insulating resistance value of calculating is compared by MCU module (5) with default insulaion resistance acceptance value, if calculating
Insulating resistance value be more than acceptance value, then human-machine interface module (6) provides voice message " test complete, insulation normal ", otherwise
Provide the voice message of " test is completed, Abnormal Insulation "；Meanwhile, human-machine interface module (6) provides the insulated electro of test by LCD
The display of resistance and " insulation is normal " or " Abnormal Insulation ", into step S9.
S9：The PWM1 ports locking pwm signal of MCU module (5), stops high pressure generation module (2) output high pressure, into step
Rapid S10.
S10：MCU module (5) preserves test result, into step S11.
S11：Delay 60 seconds, human-machine interface module (6) provides voice message " retesting please by test button ", time delay
If between detect test button and press signal, return to step S5, presses power button during delay or delay terminates, into step
S12。
S12：The second input/output port output low level of MCU module (5), makes test interface module (3) and tested pair
As disconnecting, the first input/output port output low level of MCU module (5) makes energy supply control module (1) output end disconnect test
Interface module (3) power supply, the ready lamp of test condition goes out, and system exits test ready state.
Brief description of the drawings
Fig. 1 is a kind of structure chart of locomotive roof insulation testing system of the present invention.
Fig. 2 is a kind of workflow diagram of locomotive roof insulation testing system of the present invention.
Embodiment
For demands such as the security of locomotive roof Insulation test, measuring accuracy and management functions, the present invention provides a kind of
Locomotive roof insulation testing system, is described further below in conjunction with accompanying drawing to the specific embodiment of the present invention.
A kind of locomotive roof insulation testing system, including energy supply control module (1), high pressure generation module (2), test interface
Module (3), test condition signal input module (4), MCU module (5), human-machine interface module (6) and data communication module (7)；
Energy supply control module (1) input connects locomotive DC 110V power supplys, and output end and the input of high pressure generation module (2) connect
Connect, the control signal input of energy supply control module (1) is connected with the first input/output port of MCU module (5)；The high pressure
The output end of generation module (2) is connected with the input of test interface module (3), the signal detection of high pressure generation module (2) and
Control end is connected with the sample port of MCU module (5) and PWM1 ports respectively；The test interface module (3) is installed on roof
In insulator, its output end is connected with measurand, the control signal of test interface module (3) and the second of MCU module (5)
Input/output port is connected；The signal input part of the test condition signal input module (4) and 8 travel permit part input signals are drawn
Line is connected, and 8 travel permit part input signals include pantograph drop bow signal, top door closure signal, driver's key signal, main circuit breaker
Cut-off signal and 4 road spare input signals, test condition signal input module (4) 8 travel permit part input signals of correspondence are provided with 8
Level configuration switch, for condition entry signal to be uniformly converted into 8 road high level outputs, 8 tunnel output signals pass through electric with door
Road output end is connected with the 3rd input/output port of MCU module (5).
The high pressure generation module (2) passes through MCU module (5) using the converter topology structure of single-ended flyback
The ON time of PWM1 port control circuit switching devices, so that stably output voltage.
Test interface module (3) core is G64-A741 type high-voltage relays.
Data communication module (7) of the present invention includes RS232/485 serial line interfaces and USB interface, and RS232/485 is real
Test record data are now uploaded to host computer, the test record preserved in device can be stored in USB flash disk by USB interface.
A kind of locomotive roof insulation testing system of the present invention, its workflow comprises the following steps.
S1：Switch on power switch, and system electrification is initialized, and the first input/output port output of MCU module (5) is low
Level, makes energy supply control module (1) without output, the PWM1 ports locking output of MCU module (5) makes high pressure generation module (2) nothing
High voltage output, into step S2.
S2：MCU module (5) detects the 3rd input/output port level, judges the defeated of test condition signal input module (4)
Whether be high level, if not then human-machine interface module (6) provides the voice of " not possessing test condition " to high level if going out signal
Prompting, waits test condition ready, if high level then enters step S3.
S3：The ready lamp of test condition of human-machine interface module (6) is bright, input test person number is waited, if MCU module
(5) input for being not detected by human-machine interface module (6) completes signal, then human-machine interface module (6) " please every voice message in 10 seconds
Input test person number ", enters step S4 if input is completed.
S4：MCU module (5) is matched to tester's numbering of input, if illegal numbering, then human-machine interface module
(6) voice message " tester's numbering is incorrect, please re-enter " is provided, return to step S2, if input numbering is correct, enters
Enter step S5.
S5：If MCU module (5) is not detected by the beginning test signal of human-machine interface module (6), human-machine interface module
(6) " please tested every voice message in 10 seconds by test button ", if test key-press input signal is detected, into step
S6。
S6：Human-machine interface module (6) provides voice message " please wait completion to be tested ", and the second input of MCU module (5) is defeated
Exit port exports high level, and test interface module (3) connects measurand, the first input/output port output of MCU module (5)
High level, makes energy supply control module (1) output end out-put supply give high pressure generation module (2), into step S7.
S7：The PWM1 ports output pwm signal of MCU module (5), control high pressure generation module (2) output high pressure to test
Interface module (3), MCU module (5) gathers current sensing signal by sample port, and MCU module (5) calculates the exhausted of measurand
Edge resistance value, calculates and completes to enter step S8.
S8：The insulating resistance value of calculating is compared by MCU module (5) with default insulaion resistance acceptance value, if calculating
Insulating resistance value be more than acceptance value, then human-machine interface module (6) provides voice message " test complete, insulation normal ", otherwise
Provide the voice message of " test is completed, Abnormal Insulation "；Meanwhile, human-machine interface module (6) provides the insulated electro of test by LCD
The display of resistance and " insulation is normal " or " Abnormal Insulation ", into step S9.
S9：The PWM1 ports locking pwm signal of MCU module (5), stops high pressure generation module (2) output high pressure, into step
Rapid S10.
S10：MCU module (5) preserves test result, into step S11.
S11：Delay 60 seconds, human-machine interface module (6) provides voice message " retesting please by test button ", time delay
If between detect test button and press signal, return to step S5, presses power button during delay or delay terminates, into step
S12。
S12：The second input/output port output low level of MCU module (5), makes test interface module (3) and tested pair
As disconnecting, the first input/output port output low level of MCU module (5) makes energy supply control module (1) output end disconnect test
Interface module (3) power supply, the ready lamp of test condition goes out, and system exits test ready state.
The embodiment of invention described above, the not restriction as the scope of the present invention, if to the present invention
Embodiment carries out various deformations or amendments, but still within the spirit and principles in the present invention, should be included in the power of the present invention
Within the scope of profit is claimed.
Claims (1)
1. a kind of locomotive roof insulation testing system, including energy supply control module (1), high pressure generation module (2), test interface mould
Block (3), test condition signal input module (4), MCU module (5), human-machine interface module (6) and data communication module (7)；Its
It is characterised by, energy supply control module (1) input connects locomotive DC 110V power supplys, output end and high pressure generation module (2)
Input connection, the control signal input of energy supply control module (1) and the first input/output port phase of MCU module (5)
Even；The output end of the high pressure generation module (2) is connected with the input of test interface module (3), high pressure generation module (2)
Signal detection and control end are connected with the sample port of MCU module (5) and PWM1 ports respectively；The test interface module (3)
It is installed in top insulation, its output end is connected with measurand, control signal and the MCU moulds of test interface module (3)
Second input/output port of block (5) is connected；The signal input part and 8 travel permit parts of the test condition signal input module (4)
Input signal lead-out wire is connected, and 8 travel permit part input signals include pantograph drop bow signal, top door closure signal, driver's key
Signal, main circuit breaker cut-off signal and 4 road spare input signals, test condition signal input module (4) 8 travel permit parts of correspondence are defeated
Enter signal provided with 8 level configuration switch, for condition entry signal to be uniformly converted into 8 road high level outputs, 8 tunnels output letter
Number by being connected with gate output with the 3rd input/output port of MCU module (5)；The workflow of the system is included such as
Lower step：
S1：Switch on power switch, and system electrification is initialized, and the first input/output port of MCU module (5) exports low electricity
It is flat, make energy supply control module (1) without output, the PWM1 ports locking output of MCU module (5) makes high pressure generation module (2) without height
Pressure output, into step S2；
S2：MCU module (5) detects the 3rd input/output port level, judges the output letter of test condition signal input module (4)
Number whether it is high level, if not then human-machine interface module (6) provides the voice message of " not possessing test condition " to high level,
Wait test condition ready, if high level then enters step S3；
S3：The ready lamp of test condition of human-machine interface module (6) is bright, input test person number is waited, if MCU module (5) is not
The input for detecting human-machine interface module (6) completes signal, then human-machine interface module (6) " please be inputted every voice message in 10 seconds
Tester numbers ", step S4 is entered if input is completed；
S4：MCU module (5) is matched to tester's numbering of input, if illegal numbering, then human-machine interface module (6)
Voice message " tester's numbering is incorrect, please re-enter " is provided, return to step S2, if input numbering is correct, enters
Step S5；
S5：If MCU module (5) is not detected by the beginning test signal of human-machine interface module (6), human-machine interface module (6) is every
" please tested every voice message in 10 seconds by test button ", if test key-press input signal is detected, into step S6；
S6：Human-machine interface module (6) provides voice message " please wait completion to be tested ", the second input/output terminal of MCU module (5)
Mouth output high level, test interface module (3) connects measurand, and the first input/output port output of MCU module (5) is high electric
It is flat, energy supply control module (1) output end out-put supply is given high pressure generation module (2), into step S7；
S7：The PWM1 ports output pwm signal of MCU module (5), control high pressure generation module (2) exports high pressure to test interface
Module (3), MCU module (5) gathers current sensing signal by sample port, and MCU module (5) calculates the insulated electro of measurand
Resistance, calculates and completes to enter step S8；
S8：The insulating resistance value of calculating is compared by MCU module (5) with default insulaion resistance acceptance value, if what is calculated is exhausted
Edge resistance value is more than acceptance value, then human-machine interface module (6) provides voice message " test is completed, and insulation is normal ", otherwise provides
The voice message of " test is completed, Abnormal Insulation "；Meanwhile, human-machine interface module (6) provides the insulating resistance value of test by LCD
The display of " insulation is normal " or " Abnormal Insulation ", into step S9；
S9：The PWM1 ports locking pwm signal of MCU module (5), stops high pressure generation module (2) output high pressure, into step
S10；
S10：MCU module (5) preserves test result, into step S11；
S11：Delay 60 seconds, human-machine interface module (6) provides voice message " retesting please by test button ", if during delay
Detect test button and press signal, return to step S5, presses power button during delay or delay terminates, into step S12；
S12：The second input/output port output low level of MCU module (5), makes test interface module (3) break with measurand
Open, the first input/output port output low level of MCU module (5) makes energy supply control module (1) output end disconnect test interface
Module (3) power supply, the ready lamp of test condition goes out, and system exits test ready state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249886.8A CN104849631B (en) | 2015-05-18 | 2015-05-18 | A kind of locomotive roof insulation testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249886.8A CN104849631B (en) | 2015-05-18 | 2015-05-18 | A kind of locomotive roof insulation testing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104849631A CN104849631A (en) | 2015-08-19 |
| CN104849631B true CN104849631B (en) | 2017-10-17 |
Family
ID=53849418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510249886.8A Expired - Fee Related CN104849631B (en) | 2015-05-18 | 2015-05-18 | A kind of locomotive roof insulation testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104849631B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440161U (en) * | 2009-07-28 | 2010-04-21 | 中国北车集团大同电力机车有限责任公司 | Locomotive top insulation detection equipment for locomotive |
| CN202256586U (en) * | 2011-09-29 | 2012-05-30 | 成都畅通机车车辆技术开发有限公司 | Dielectric withstand voltage testing device for roof of electric locomotive |
| CN203551727U (en) * | 2013-10-19 | 2014-04-16 | 北京卓匠科创科技有限公司 | Electric locomotive roof insulation detector |
| CN203551726U (en) * | 2013-10-19 | 2014-04-16 | 山西智济电子科技有限公司 | Electric locomotive roof insulation detecting device |
| CN204228897U (en) * | 2014-11-21 | 2015-03-25 | 西安伯龙高铁电气有限公司 | Train Insulation Inspection System |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7616090B2 (en) * | 2004-05-20 | 2009-11-10 | Von Duprin, Inc. | Electronic security system |
-
2015
- 2015-05-18 CN CN201510249886.8A patent/CN104849631B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440161U (en) * | 2009-07-28 | 2010-04-21 | 中国北车集团大同电力机车有限责任公司 | Locomotive top insulation detection equipment for locomotive |
| CN202256586U (en) * | 2011-09-29 | 2012-05-30 | 成都畅通机车车辆技术开发有限公司 | Dielectric withstand voltage testing device for roof of electric locomotive |
| CN203551727U (en) * | 2013-10-19 | 2014-04-16 | 北京卓匠科创科技有限公司 | Electric locomotive roof insulation detector |
| CN203551726U (en) * | 2013-10-19 | 2014-04-16 | 山西智济电子科技有限公司 | Electric locomotive roof insulation detecting device |
| CN204228897U (en) * | 2014-11-21 | 2015-03-25 | 西安伯龙高铁电气有限公司 | Train Insulation Inspection System |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104849631A (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104569730B (en) | A kind of Cable Testing System applied to moonlet | |
| CN105823957B (en) | Electric automobile direct current interface connection state and communication performance test system that charges | |
| CN107807290A (en) | Direct-current charging post detecting system and detection method | |
| CN102654951A (en) | Automatic electronic experimental teaching system | |
| CN102890259B (en) | Line-failure indicator detection system | |
| CN107132484A (en) | A kind of integrated test system of battery system | |
| CN107356848A (en) | A kind of insulation detection device | |
| CN108919002A (en) | A kind of test macro of direct-current charging post | |
| CN102798793B (en) | Inverter protective circuit | |
| CN110281977A (en) | A kind of axis-counting device | |
| CN203217023U (en) | Motor and transformer microcomputer integration test stand | |
| CN107490767A (en) | Insulation detecting method, system and the vehicle of battery bag | |
| CN203616466U (en) | Comprehensive tester and test equipment of battery management system | |
| CN207067329U (en) | A kind of insulation detection device | |
| CN205139349U (en) | Arrester discharge counter and leakage current table check gauge | |
| CN103825259B (en) | Relay protection system | |
| CN104849631B (en) | A kind of locomotive roof insulation testing system | |
| CN208188669U (en) | A kind of portable controller tester | |
| CN111398756A (en) | Locomotive high-voltage insulation detection subsystem | |
| CN104578243A (en) | A method for monitoring the DC voltage charge and a battery management system | |
| CN202886581U (en) | Line fault indicator detecting system | |
| CN106093664A (en) | Electric car conduction charging measurement system | |
| CN203216999U (en) | Capacitive equipment dielectric loss live line measurement sampling device | |
| CN205539154U (en) | High voltage electrified display locking apparatus | |
| CN104319896A (en) | High-voltage electrified display locking method, device and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20190518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |