CN206235699U - A kind of locomotive high-voltage Electric Appliance Cabinet ultraviolet light check device - Google Patents
A kind of locomotive high-voltage Electric Appliance Cabinet ultraviolet light check device Download PDFInfo
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- CN206235699U CN206235699U CN201620653578.1U CN201620653578U CN206235699U CN 206235699 U CN206235699 U CN 206235699U CN 201620653578 U CN201620653578 U CN 201620653578U CN 206235699 U CN206235699 U CN 206235699U
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Abstract
A kind of locomotive high-voltage Electric Appliance Cabinet ultraviolet light check device, the position that failure of insulation is susceptible in locomotive electric apparatus cabinet is installed by Ultraviolet sensor, ultraviolet light detection controller is provided with motor car, is communicated by signal transmssion line between ultraviolet light detection controller and Ultraviolet sensor；Gather the ultraviolet signal that electric equipment is sent in locomotive Electric Appliance Cabinet in good time by Ultraviolet sensor, and be converted to pulse signal after detected ultraviolet light subnumber is arranged as signal source, controller is sent to by signal transmission line again, after via controller carries out the filter and amplification of signal conditioning circuit and the filtering process of software systems, it is compared to count umber of pulse with the level threshold value being set in controller, the dense degree according to statistics umber of pulse is classified to judge the insulation situation of the vehicle mounted electrical apparatus equipment that Ultraviolet sensor is monitored.
Description
Technical field
The utility model is related to a kind of detection part device of track traffic, and in particular to various in a kind of motor car
The insulation detection device of Electric Appliance Cabinet, for being detected to various Electric Appliance Cabinet insulating properties in locomotive in good time, belongs to track traffic portion
Part monitoring of equipment control technology field.
Background technology
In recent years, China's high ferro, heavy loading locomotive are achieved and greatly developed, and electric railway total line length holds a safe lead it
He is national.
Used as electric railway, the onboard electrical part of locomotive is one of mostly important part of locomotive, locomotive vehicle-mounted electricity
The insulation of gas part is good most important with bad, and the insulation degradation of its part directly results in the reduction of safety coefficient, conevying efficiency.Than
Such as, the current electric railway service time has been up to decades, even if high ferro has also run the several years such as military wide circuit；And as line
The locomotive vehicle-mounted electrical system of road operation is the key system components that locomotive electric cad systemization drives, and these electrical system components are also all slow
Slow-motion enters aging period, at this moment needs constantly to electric apparatus mounted on vehicle, especially pantograph and top insulation, in-car unsteady flow
The important electric components such as cabinet, vehicle power cabinet, train power supply cabinet, High-Voltage Electrical Appliances cabinet and motor carry out insulating properties detection, in case
Electric apparatus mounted on vehicle breaks down because of insulation ag(e)ing；But still mainly lead to for the Insulation monitoring of electric apparatus mounted on vehicle at present
Cross manual observation or carried out by way of the instruments such as megameter are with periodic inspection, the manpower and materials that this mode expends are big, and
And easily there is missing inspection, false retrieval, and equipment deterioration state does not have judging basis, also the method without long term monitoring, so long-term
Go down, it is easy to operation troubles occur, the electrical equipment of circuit or locomotive is aging to cause insulation fault；Such as electric locomotive car
Top high-tension apparatus is outdoor installation equipment, it is desirable to which 25kv high voltage electric equipments have enough High-Voltage Insulation performances with locomotive roof,
To prevent due to the boisterous infringement such as sleet and the attack of thunder and lightning atmospheric over-voltage.If locomotive roof high-tension apparatus occurs
Failure or the high-tension apparatus failure caused by other reasons, due to cannot failure judgement situation, once rise pantograph again, will
Cause electrion, ground connection, gently then cause pantograph pan Nian Jie with contact net, it is heavy then blow contact net.The end of the year 2006, Lip river
Just as snow, top insulation reduction, roof electric discharge causes a large amount of locomotives to sit to positive locomotive depot's locomotive, almost makes western Gansu Province sea line
Railway transportation is paralysed, severe jamming railway transportation.Therefore it is badly in need of a kind of electric locomotive on-board electrical equipment on-line insulating properties of exploitation
The effective detection method and device of energy.
Do not have the discovery to have the patent literature constructed with the utility model by patent retrieval, have with the utility model
The patent of certain relation mainly has following：
1st, Patent No. CN201510312179.9, entitled " the distribution partial discharge flashover based on ultraviolet optical detection technique exists
The patent of invention of line monitoring system ", which disclose a kind of distribution partial discharge flashover based on ultraviolet optical detection technique and supervises online
Examining system, the system includes data acquisition module, communication module and control terminal, and the data acquisition module includes being sequentially connected
Ultraviolet light transducer, photoelectric conversion unit, AD conversion unit, master controller；The photoelectric conversion unit and analog-to-digital conversion
Reverse scaling circuit and high-pass filter are provided between unit, ultraviolet light transducer receives ultraviolet light pulse, through photoelectricity
Modular converter is converted to the current pulse signal of negative sense, through preposition reverse scaling circuit, obtains forward voltage signal, positive
Voltage signal filters low-frequency disturbance by high-pass filter；Signal is delivered into device master controller after carrying out analog-to-digital conversion.Pass through
Using advanced ultraviolet optical sensing, it is possible to achieve the partial discharge to one of the main forms of distribution facility failure hidden danger is dodged
Network shifts to an earlier date control and early warning.
2nd, Patent No. CN201310327941.1, the hair of entitled " contactless ultraviolet pulse discharge monitoring device "
Bright patent, which disclose a kind of contactless ultraviolet pulse discharge monitoring device, including sensor group and sensor group phase
The microprocessor that is connected with signal condition unit of signal condition unit even, be also associated with the microprocessor power supply unit,
Memory cell, display unit and control unit, are also associated with communication unit and GPS positioning unit on the microprocessor, described
Sensor group includes UV sensor.The utility model is monitored by UV sensor to discharge scenario, by logical
News unit carry out telecommunication, by GPS positioning unit position, not by High-frequency Interference, and can shelf depreciation puncture insulation,
Electric discharge is found before sabotage of electrical power equipment, and alarm and is taken measures, the stabilization and safety of power system are ensured, with sensitive
The advantages of spending height, small volume, be easy to carry.
3rd, Patent No. CN201010244378.8, entitled " ultraviolet method power cable on-line condition monitoring assesses instrument "
Patent of invention, a kind of ultraviolet method power cable on-line condition monitoring assessment instrument is which disclose, by the ultraviolet inspection of shelf depreciation
Survey unit, dielectric parameter measurement unit, temperature detecting unit, central control processing unit, GSM data communication units and electricity
Power management circuits are constituted；The output end of shelf depreciation ultraviolet detection unit and the output end of dielectric parameter measurement unit and
The output end of temperature detecting unit is connected with the input of central control processing unit respectively；The output of central control processing unit
End is connected by CAN with the input of GSM data communication units；The output end of electric power management circuit respectively with shelf depreciation
Ultraviolet detection unit, dielectric parameter measurement unit, temperature detecting unit, central control processing unit and GSM data are led to
Believe the power end connection of unit.Assessment is with the buried lower cable temperature of on-line checking, shelf depreciation, dielectric property change and environment shape
The parameters such as condition, have the advantages that Detection results are reliably sensitive, testing cost is relatively low.
So although above-mentioned these patents are directed to be monitored using ultraviolet light, and propose some specific monitorings
Method, but all do not propose how to carry out Insulation monitoring and control to locomotive vehicle-mounted electric equipment using ultraviolet light corona technology
Method and device, do not propose how that the ultraviolet light sent for locomotive vehicle-mounted electric equipment carries out difference detection so that
The ultraviolet light for effectively distinguishing normal ultraviolet light electric discharge and failure of insulation discharges, and existing locomotive vehicle mounted electrical apparatus equipment all exists
The operating mode place work more closed, it is easy to which decreasing insulating occur causes to produce the phenomenon of some ultraviolet lights electric discharge, but
This insulation for being not offered as its part has been failed, and is also not easy to be discovered, so directly straight using existing ultraviolet Technology
Connect for detecting electric apparatus mounted on vehicle, wrong report often can easily occur, this will directly affect the operation of vehicle, cause the peace of vehicle
The reduction of overall coefficient authenticity, conevying efficiency, so still needing further to be improved.
Utility model content
The purpose of this utility model is existing for existing locomotive vehicle-mounted electric equipment insulating properties condition detection
Problem, proposes a kind of locomotive electric apparatus cabinet ultraviolet light check device, and this kind of locomotive electric apparatus cabinet ultraviolet light check device has energy in detail
The monitoring function of locomotive electric apparatus mounted on vehicle state of insulation is detected, normal ultraviolet light electric discharge is distinguished and dangerous ultraviolet light is put
Electricity, can so shift to an earlier date anticipation locomotive vehicle-mounted insulation of electrical installation part whether necessary being potential faults, the event of which kind of degree
Barrier hidden danger, it is also possible to accomplish further locomotive vehicle-mounted electric equipment system durability analysis.
In order to reach this purpose, the utility model provides a kind of locomotive electric apparatus cabinet ultraviolet light check device, in locomotive
Ultraviolet sensor is installed in the position that failure of insulation is susceptible in Electric Appliance Cabinet, and ultraviolet light detection control is provided with motor car
Device, is communicated between ultraviolet light detection controller and Ultraviolet sensor by signal transmssion line；By the in good time harvester of Ultraviolet sensor
The ultraviolet signal that electric equipment is sent in car Electric Appliance Cabinet, and detected ultraviolet light subnumber is carried out as signal source whole
Pulse signal is converted to after reason, then controller is sent to by signal transmission line, via controller carries out the filter of signal conditioning circuit
After the filtering process of ripple amplification and software systems, it is compared to count pulse with the level threshold value being set in controller
Number, the dense degree according to statistics umber of pulse is classified to judge the insulation feelings of the vehicle mounted electrical apparatus equipment that Ultraviolet sensor is monitored
Condition.
Further, non-contacting mounting means is taken between the electrical equipment in Ultraviolet sensor and locomotive electric apparatus cabinet,
The air line distance left of Ultraviolet sensor and locomotive roof insulator beyond 200-500mm, the ultraviolet biography of installation to ensure
Sensor does not form interference to the electrical equipment in locomotive electric apparatus cabinet.
Further, umber of pulse dense degree classification be set as level Four, respectively well, it is qualified, bad and change four
Individual grade；Ultraviolet light subnumber value range such as following table corresponding to four grades：
| Ultraviolet light subnumber | State of insulation grade |
| 0-10/min | Well |
| 10-20/min | It is qualified |
| 20-200/min | It is bad |
| 200/more than min | Change |
Wherein, by " good ", " qualified " though two grades represent that locomotive vehicle-mounted insulation of electrical installation part has occurred that
Ultraviolet optical phenomenon, but still belong within the scope of permission；In detected ultraviolet light subnumber in 20-200/min " bad "
During grade, locomotive vehicle-mounted insulation of electrical installation part is represented already close to damage, it is necessary to arouse attention, at this moment will be passed by signal
It is sent into row alarm；When detected ultraviolet light subnumber is in 200/more than min " replacing " grade, represent that locomotive vehicle-mounted is electric
Apparatus insulated part has been destroyed, it is necessary to changed at once, otherwise will appear from accident, and at this moment will also be transmitted by signal is carried out
Alarm.
Further, described Ultraviolet sensor transmits signal through 16 channel digital signals, and 2K is less than with signal frequency,
8-14V of level, mode of the minimum pulse width more than 100us, isolation is transferred to controller；Controller gathers 2 tunnel control sources simultaneously
Analog quantity（0—5V）, 1 tunnel current-mode analog quantity (0-20mA)；Ultraviolet sensor is sent pulse signal again with control
The criteria threshold set in device is compared, and judges whether the discharge signal that Ultraviolet sensor is detected meets insulation safety with this
It is required that.
Further, the described filter and amplification of via controller signal conditioning circuit and the filtering process of software systems be
The ultraviolet light subnumber signal that Ultraviolet sensor is obtained is first passed through into chromacoder and is converted to pulse signal, then put by filtering
Big device is processed.
The utility model has the advantage of：
The utility model detects locomotive vehicle mounted electrical apparatus part insulating properties using UV corona, is examined in good time by Ultraviolet sensor
The ultraviolet signal that locomotive vehicle-mounted insulation of electrical installation partial discharge is sent is surveyed, and electric discharge ultraviolet signal is converted into pulse
Signal, by after the filter and amplification of signal conditioning circuit and the filtering process of software systems, the threshold value with setting is compared
To count umber of pulse, judge that electric apparatus mounted on vehicle monitors the insulation situation of position, tool according to the dense degree for counting umber of pulse
There is the monitoring function that can in detail detect locomotive electric apparatus mounted on vehicle state of insulation, and normal ultraviolet light can be distinguished by classification and put
Electricity and dangerous ultraviolet light electric discharge, whether necessary being failure is hidden can to shift to an earlier date anticipation locomotive vehicle-mounted insulation of electrical installation part
Trouble, the potential faults of which kind of degree, it is also possible to accomplish further locomotive vehicle-mounted electric equipment system durability analysis.
Brief description of the drawings
Fig. 1 is the principle schematic of the utility model one embodiment；
Fig. 2 is the side schematic view of Fig. 1；
Fig. 3 is the principle schematic of another embodiment of the utility model；
Fig. 4 is hardware block diagram of the present utility model.
Specific embodiment
The utility model is expanded on further with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
Can be seen that the utility model by attached Fig. 1 and 2 is a kind of electrical locomotive power cabinet ultraviolet light check device, in train
The top or centre position of three layers of back side upper, middle and lower in powering shelf 1 are separately installed with 3 Ultraviolet sensors, and respectively upper strata is purple
Outer sensor 2, middle level Ultraviolet sensor 3 and lower floor's Ultraviolet sensor 4, and ensure that the Ultraviolet sensor of each layer can be collected into institute
In the ultraviolet light that inner layer space is sent；Ultraviolet light detection controller 5, ultraviolet light detection controller 5 are provided with motor car
Between Ultraviolet sensor 6 are communicated by signal transmssion line；Gather electric equipment in locomotive Electric Appliance Cabinet in good time by Ultraviolet sensor
The ultraviolet signal for being sent, and pulse letter is converted to after detected ultraviolet light subnumber is arranged as signal source
Number, then controller is sent to by signal transmission line, via controller carries out filter and amplification and the software system of signal conditioning circuit
After the filtering process of system, it is compared to count umber of pulse with the level threshold value being set in controller, according to statistics umber of pulse
Dense degree classification judge the insulation situation of the vehicle mounted electrical apparatus equipment that Ultraviolet sensor is monitored.Ultraviolet sensor and locomotive
Take non-contacting mounting means between electrical equipment in Electric Appliance Cabinet, Ultraviolet sensor and locomotive roof insulator leave
Beyond 200-500mm, to ensure, installation Ultraviolet sensor is not formed air line distance to the electrical equipment in locomotive electric apparatus cabinet
Interference.
Umber of pulse dense degree classification be set as level Four, respectively well, it is qualified, bad and change four grades；Four
Ultraviolet light subnumber value range such as following table corresponding to individual grade：
| Ultraviolet light subnumber | State of insulation grade |
| 0-10/min | Well |
| 10-20/min | It is qualified |
| 20-200/min | It is bad |
| 200/more than min | Change |
Wherein, by " good ", " qualified " though two grades represent that locomotive vehicle-mounted insulation of electrical installation part has occurred that
Ultraviolet optical phenomenon, but still belong within the scope of permission；In detected ultraviolet light subnumber in 20-200/min " bad "
During grade, locomotive vehicle-mounted insulation of electrical installation part is represented already close to damage, it is necessary to arouse attention, at this moment will be passed by signal
It is sent into row alarm；When detected ultraviolet light subnumber is in 200/more than min " replacing " grade, represent that locomotive vehicle-mounted is electric
Apparatus insulated part has been destroyed, it is necessary to changed at once, otherwise will appear from accident, and at this moment will also be transmitted by signal is carried out
Alarm.
As shown in Figure 4, described Ultraviolet sensor transmits signal through 16 channel digital signals, is less than with signal frequency
2K, 8-14V of level, square-wave pulse signal of the minimum pulse width more than 100us, isolation are transferred to STM32 microcontrollers；Controller
2 tunnel control source analog quantitys are gathered simultaneously（0—5V）, the 3 road analog signalses on 1 tunnel current-mode analog quantity (0-20mA)；Again by purple
The pulse signal that outer sensor sends is compared with the criteria threshold set in controller, and ultraviolet transducing is judged with this
Whether the discharge signal that device is detected meets insulation safety requirement, and result is communicated into upload by USB interface, while by aobvious
Display screen shows；But the data for being compared exceed allowed scope, when reaching " bad " grade, by turn on automatically warning system,
Implement alarm.STM32 microcontrollers by lithium battery or 87-137V direct current supply, while being controlled by touch control button.
Embodiment two
As the general principle of embodiment one, simply structure is different for embodiment two, is a kind of locomotive vehicle-mounted inversion
The ultraviolet light check device of device cabinet, the back side in locomotive vehicle-mounted inverter cabinet 201 each unit cabinet, near reactor layer and
Power device is separately installed with Ultraviolet sensor, respectively reactor Ultraviolet sensor 202 and power device Ultraviolet sensor
203；Ultraviolet light detection controller 205, ultraviolet light detection controller 205 and reactor Ultraviolet sensor are provided with motor car
Communicated by signal transmssion line 204 between 202 and power device Ultraviolet sensor 203；By reactor Ultraviolet sensor 202 and work(
Rate device Ultraviolet sensor 203 gathers the ultraviolet signal that electric equipment is sent in locomotive Electric Appliance Cabinet in good time, and will be detected
To ultraviolet light subnumber arranged as signal source after be converted to pulse signal, then control is sent to by signal transmission line
Device, after via controller carries out the filter and amplification of signal conditioning circuit and the filtering process of software systems, and is set in controller
Interior level threshold value is compared to count umber of pulse, and the dense degree according to statistics umber of pulse is classified to judge Ultraviolet sensor
The insulation situation of the vehicle mounted electrical apparatus equipment monitored.Non- connecing is taken between electrical equipment in Ultraviolet sensor and locomotive electric apparatus cabinet
Tactile mounting means, the air line distance left of Ultraviolet sensor and locomotive roof insulator beyond 200-500mm, to ensure
Installed Ultraviolet sensor does not form interference to the electrical equipment in locomotive electric apparatus cabinet.
Umber of pulse dense degree classification be set as level Four, respectively well, it is qualified, bad and change four grades；Four
Ultraviolet light subnumber value range such as following table corresponding to individual grade：
| Ultraviolet light subnumber | State of insulation grade |
| 0-10/min | Well |
| 10-20/min | It is qualified |
| 20-200/min | It is bad |
| 200/more than min | Change |
Wherein, by " good ", " qualified " though two grades represent that locomotive vehicle-mounted insulation of electrical installation part has occurred that
Ultraviolet optical phenomenon, but still belong within the scope of permission；In detected ultraviolet light subnumber in 20-200/min " bad "
During grade, locomotive vehicle-mounted insulation of electrical installation part is represented already close to damage, it is necessary to arouse attention, at this moment will be passed by signal
It is sent into row alarm；When detected ultraviolet light subnumber is in 200/more than min " replacing " grade, represent that locomotive vehicle-mounted is electric
Apparatus insulated part has been destroyed, it is necessary to changed at once, otherwise will appear from accident, and at this moment will also be transmitted by signal is carried out
Alarm.
Described Ultraviolet sensor transmits signal through 16 channel digital signals, with signal frequency be less than 2K, level 8-
14V, mode of the minimum pulse width more than 100us, isolation is transferred to controller；Controller gathers 2 tunnel control source analog quantitys simultaneously
（0—5V）, 1 tunnel current-mode analog quantity (0-20mA)；The pulse signal that Ultraviolet sensor sends is set with controller again
The criteria threshold put is compared, and judges whether the discharge signal that Ultraviolet sensor is detected meets insulation safety requirement with this,
And result is communicated into upload by USB interface, while being shown by display screen；When the data for being compared exceed allowed model
Enclose, when reaching " bad " grade, by turn on automatically warning system, implement alarm.STM32 microcontrollers are by lithium battery or 87-
The direct current supply of 137V, while being controlled by touch control button.
Above-mentioned listed embodiment, simply carries out clear, complete description with reference to accompanying drawing to the technical solution of the utility model；
Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on this reality
With the embodiment in new, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of the utility model protection.
The utility model has the advantage of：
The utility model detects locomotive vehicle mounted electrical apparatus part insulating properties using UV corona, is examined in good time by Ultraviolet sensor
The ultraviolet signal that locomotive vehicle-mounted insulation of electrical installation partial discharge is sent is surveyed, and electric discharge ultraviolet signal is converted into pulse
Signal, by after the filter and amplification of signal conditioning circuit and the filtering process of software systems, the threshold value with setting is compared
To count umber of pulse, judge that electric apparatus mounted on vehicle monitors the insulation situation of position, tool according to the dense degree for counting umber of pulse
There is the monitoring function that can in detail detect locomotive electric apparatus mounted on vehicle state of insulation, and normal ultraviolet light can be distinguished by classification and put
Electricity and dangerous ultraviolet light electric discharge, whether necessary being failure is hidden can to shift to an earlier date anticipation locomotive vehicle-mounted insulation of electrical installation part
Trouble, the potential faults of which kind of degree, it is also possible to accomplish further locomotive vehicle-mounted electric equipment system durability analysis.With with
Lower Some features：
1st, contactless Insulation monitoring is carried out using UV pulse method；
2nd, ultraviolet signal is distinguished using graduation, realizes the initial failure early warning of High-Voltage Insulation equipment.
3rd, device can be by WIFI data transfers.
4th, the DAS that ftp server is installed can be got information about by the state of insulation of test specimen.
5th, by the Research on Statistics and Analysis to a large amount of detection datas, the discharging law of ultraviolet light is searched out, sums up four kinds
The standard value of grade, as the quantitative Diagnosis foundation to being tested insulator dielectric state.
Claims (2)
1. a kind of locomotive high-voltage Electric Appliance Cabinet ultraviolet light check device, it is characterised in that：Insulation is susceptible in locomotive electric apparatus cabinet
Ultraviolet sensor is installed in the position of failure, is provided with ultraviolet light detection controller in motor car, ultraviolet light detection controller with
Communicated by signal transmssion line between Ultraviolet sensor；Electric equipment in locomotive Electric Appliance Cabinet is gathered in good time by Ultraviolet sensor to be sent out
The ultraviolet signal for going out, and pulse signal is converted to after detected ultraviolet light subnumber is arranged as signal source, then
Controller is sent to by signal transmission line, via controller carries out the filter of the filter and amplification and software systems of signal conditioning circuit
After ripple treatment, it is compared to count umber of pulse with the level threshold value being set in controller, according to the intensive of statistics umber of pulse
Grading judges the insulation situation of vehicle mounted electrical apparatus equipment that Ultraviolet sensor is monitored.
2. locomotive high-voltage Electric Appliance Cabinet ultraviolet light check device as claimed in claim 1, it is characterised in that：Ultraviolet sensor and machine
Non-contacting mounting means, Ultraviolet sensor is taken to be left with locomotive roof insulator between electrical equipment in car Electric Appliance Cabinet
Air line distance in 200-500mm, to ensure, installation Ultraviolet sensor does not form dry to the electrical equipment in locomotive electric apparatus cabinet
Disturb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620653578.1U CN206235699U (en) | 2016-06-28 | 2016-06-28 | A kind of locomotive high-voltage Electric Appliance Cabinet ultraviolet light check device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620653578.1U CN206235699U (en) | 2016-06-28 | 2016-06-28 | A kind of locomotive high-voltage Electric Appliance Cabinet ultraviolet light check device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235699U true CN206235699U (en) | 2017-06-09 |
Family
ID=58989087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620653578.1U Active CN206235699U (en) | 2016-06-28 | 2016-06-28 | A kind of locomotive high-voltage Electric Appliance Cabinet ultraviolet light check device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206235699U (en) |
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2016
- 2016-06-28 CN CN201620653578.1U patent/CN206235699U/en active Active
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