CN2884215Y - On-line insulation testing device for insulator of high voltage power-supply placed on the top of electric power locomotive - Google Patents
On-line insulation testing device for insulator of high voltage power-supply placed on the top of electric power locomotive Download PDFInfo
- Publication number
- CN2884215Y CN2884215Y CN 200620023586 CN200620023586U CN2884215Y CN 2884215 Y CN2884215 Y CN 2884215Y CN 200620023586 CN200620023586 CN 200620023586 CN 200620023586 U CN200620023586 U CN 200620023586U CN 2884215 Y CN2884215 Y CN 2884215Y
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- China
- Prior art keywords
- insulation
- insulator
- roof
- chip microcomputer
- high voltage
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- 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
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- Testing Relating To Insulation (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to an online insulation detection device for high voltage insulator at roof of electric locomotive, which is provided with a PS power supply. The S1, S2 to Sn insulation inspector are connected with an SD waveform shaper; the SD waveform shaper is connected with an MCU single-chip microcomputer; the MCU single-chip microcomputer is connected with a DR output signal driver and an SO communication interface, the MCU single-chip microcomputer is also connected with a KB keyboard; an IC1 control chip is connected with an LCD liquid crystal display device. The utility model has the advantages that the device has the functions of inspection, display, memory and protection control, and can perform the online operation inspection and real-time detection and inspection of the insulation state of the electric locomotive roof high voltage circuit and monitor the insulation state of each insulator and display the inspection data, when the insulation value is lower than the set value, the alarming signal is outputted, at the same time the number of the corresponding insulators is memorized for convenient fault treatment, rapid protection can also be performed by the control circuit so as to lower the current collector for immediate power-off against any emergency extension during severe insulation damage such as high voltage creepage.
Description
One, technical field
The utility model belongs to the on-line insulation monitoring device of this high-tension circuit of electric power machine, is specifically related to the online insulation detection device of a kind of electric locomotive roof high voltage supply insulator.
Two, background technology
Electric locomotive or power-centralized type motor train unit roof high-tension circuit are mainly finished being subjected to stream, conduction, isolating of 25KV/50HZ AC power, control, and are detected.Its main devices has high-tension electricity devices such as pantograph, high voltage isolator, high voltage potential transformer, high-tension current inductor, lightning arrester, conducting rod and supporting insulator.Owing to be operated in open-air state, and stand the invasion and attack of dust storm sleet and the influence of physical environment, the insulating property of each device support insulator can change, in case form the creepage or insulation damages of high pressure, the lighter causes and breaks up, weight person causes catenary cut off, influences the normal operation of other electric locomotives on the whole circuit.For this reason, relevant department of the Ministry of Railways pays special attention to this, once supporting insulator is brought up to 400MM to ground level by 330MM, and this is write railway standard.Be used for the driver and when starting a work shift, can not carry out online insulation detection the roof circuit.If can't take place to realize this function by the prediction ground fault, then issue handling can be sent out period just, be unlikely to fault is enlarged.When locomotive normally moves, drop to a certain numerical value or creepage phenomenon takes place, cut off circuit immediately, guarantee that malfunction no longer expands in case detect roof line insulation.
Three, summary of the invention
Technical problem to be solved in the utility model provides the online insulation detection device of a kind of electric locomotive roof high voltage supply insulator, and it can improve safety of railway transportation and reliability.
The technical solution of the utility model: the online insulation detection device of a kind of electric locomotive roof high voltage supply insulator, it comprises the PS power supply, the capable shaper of SD ripple, MCU single-chip microcomputer, the KB keyboard, IC1 control chip, LCD LCD, the SO communication interface, it is by PS power supply, S
1, S
2S
nThe state of insulation detecting device, the capable shaper of SO ripple, MCU unit's machine, the KB single-chip microcomputer, the KB keyboard, the IC1 control chip, the LCD LCD, BR output signal driver, the SD communication interface is formed, and the PS power supply is DC11OV, S
1, S
2S
nThe state of insulation detecting device, by the insulator 1 that needs detect, ring flange 2, current transformer 3, roof are crossed terminal box 5 compositions under linear sealing part 4 and the roof; The insulator 1 that needs to detect is arranged on the ring flange 2, and ring flange 2 is provided with current transformer 3, and current transformer 3 is crossed linear sealing part 4 by roof and is connected with terminal box 5 under the roof; S
1, S
2S
nThe state of insulation detecting device is connected with the capable shaper of SD ripple, and the capable shaper of SD ripple is connected with the MCU single-chip microcomputer, and the MCU single-chip microcomputer is connected with KB keyboard, IC1 control chip and LCD LCD.
The utility model compared with prior art has following beneficial effect.This insulation detection device has detection, demonstration, memory and protection control function.Can carry out on-line operation to the state of insulation of electric locomotive roof high-tension circuit and detect, detect and monitor the state of insulation of each insulator in real time, show and detect data, when insulation numerical value is lower than setting value, output alarm signal; Remember corresponding insulation numbering simultaneously, so that handling failure; Also can protect fast by control circuit, when the serious insulation damages of the creepage grade of high pressure occurring with box lunch, bow falls in instant outage, further enlarges to prevent accident.
This device has MS manual search and function is set, and can realize functional operation by the membrane keyboard on the panel, and the protection threshold that state of insulation is set according to the environmental aspect in locomotive operation interval.
This device has communication function.Can carry out exchanges data by serial line interface and external unit, so that information is passed to driving position computer display or locomotive protection control module in real time.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is S
1, S
2S
nThe structural representation of state of insulation detecting device;
Five, embodiment.
The online insulation detection device of electric locomotive roof high voltage supply insulator has PS power supply, S
1, S
2S
nThe state of insulation detecting device, the capable soil-wroking and ridging apparatus of SD ripple, the MCU51 series monolithic, the KB keyboard, the IC1 control chip, the LCD LCD, DR output signal driver, the RS485 communication interface is formed.The PS power supply is DC110V, S
1, S
2S
nThe insulator 1 that the state of insulation detecting device is detected by needs, ring flange 2, current transformer 3, roof are crossed terminal box 5 compositions under linear sealing part 4 and the roof; The insulator 1 that needs to detect is arranged on the ring flange 2, and ring flange 2 is provided with current transformer 3, and the outlet of current transformer 3 is crossed linear sealing part 4 by roof and is connected with terminal box 5 under the roof.S
1, S
2S
nThe state of insulation detecting device is connected with the capable shaper of SD ripple, and the capable shaper of SD ripple is used to finish the integer and the level translation of state of insulation detection signal, to reach the desired signal level of single-chip microcomputer; The capable shaper of SD ripple is connected with the MCU single-chip microcomputer, and MCU is 51 series monolithics, is used to finish the mould/transformation of variables of input signal, operational analysis, storage and memory, and output control; The MCU single-chip microcomputer is connected with the SO communication interface with DR output signal driver, and DR output signal driver is made up of relay or MDS pipe, is used to realize the output of switching value control signal; SO is the output of RS485 serial communication number, is used to realize the communication of single-chip microcomputer in external unit, reaches status signal and fault-signal information transmission.The MCU single-chip microcomputer also is connected with KB keyboard, IC1 control chip and LCD LCD.The KB keyboard is used to realize man-machine communication and parameter setting; IC1 is the keyboard special control chip, is used to finish the analysis conversion of keyboard signal; The LCD LCD is used for the demonstration of various status signals of finishing device and alerting signal.The package unit main frame is installed in is convenient to observed place between locomotive cab or machinery, to import detection signal by wiring introducing device in the car, the switching value signal of device output is directly chain to the main circuit breaker control circuit or fall automatically in the control circuit, communication interface is inserted as required the communication port of related device.
PS power supply wherein, the capable shaper of SD ripple, the MCU single-chip microcomputer, the KB keyboard, the IC1 control chip, the LCD LCD, DR output signal driver and SO communication interface all have sale in market, can buy.
Claims (1)
- One, the online insulation detection device of a kind of electric locomotive roof high voltage supply insulator, it comprises the PS power supply, the capable shaper of SD ripple, the MCU single-chip microcomputer, the KB keyboard, the IC1 control chip, the LCD LCD, the SO communication interface is characterized in that it is by PS power supply, S 1, S 2S nThe state of insulation detecting device, the capable shaper of SO ripple, MCU unit's machine, the KB single-chip microcomputer, the KB keyboard, the IC1 control chip, the LCD LCD, BR output signal driver, the SO communication interface is formed, and the PS power supply is DC11OV, S 1, S 2S nThe state of insulation detecting device, by the insulator (1) that needs detect, ring flange (2), current transformer (3), roof are crossed terminal box (5) composition under linear sealing part (4) and the roof; The insulator (1) that needs to detect is arranged on the ring flange (2), and ring flange (2) is provided with current transformer (3), and current transformer (3) is crossed linear sealing part (4) by roof and is connected with terminal box (5) under the roof; S 1, S 2S nThe state of insulation detecting device is connected with the capable shaper of SD ripple, and the capable shaper of SD ripple is connected with the MCU single-chip microcomputer, and the MCU single-chip microcomputer is connected with KB keyboard, IC1 control chip and LCD LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023586 CN2884215Y (en) | 2006-02-23 | 2006-02-23 | On-line insulation testing device for insulator of high voltage power-supply placed on the top of electric power locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023586 CN2884215Y (en) | 2006-02-23 | 2006-02-23 | On-line insulation testing device for insulator of high voltage power-supply placed on the top of electric power locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2884215Y true CN2884215Y (en) | 2007-03-28 |
Family
ID=37957275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620023586 Expired - Fee Related CN2884215Y (en) | 2006-02-23 | 2006-02-23 | On-line insulation testing device for insulator of high voltage power-supply placed on the top of electric power locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2884215Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004974A (en) * | 2015-07-14 | 2015-10-28 | 南车青岛四方机车车辆股份有限公司 | Real-time detection method and real-time detection system for insulating property of high-voltage insulator on top of Multiple Units |
| CN108931710A (en) * | 2017-05-24 | 2018-12-04 | 句容市福润电气有限公司 | A kind of post insulator style sensor |
| CN109307828A (en) * | 2018-11-26 | 2019-02-05 | 西南交通大学 | The dielectric test device of EMU roof insulator under a kind of complex environment |
| CN110824309A (en) * | 2019-11-20 | 2020-02-21 | 国家电网有限公司 | Device and method for detecting fatigue degree of insulator steel foot of overhead transmission line |
-
2006
- 2006-02-23 CN CN 200620023586 patent/CN2884215Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004974A (en) * | 2015-07-14 | 2015-10-28 | 南车青岛四方机车车辆股份有限公司 | Real-time detection method and real-time detection system for insulating property of high-voltage insulator on top of Multiple Units |
| CN108931710A (en) * | 2017-05-24 | 2018-12-04 | 句容市福润电气有限公司 | A kind of post insulator style sensor |
| CN109307828A (en) * | 2018-11-26 | 2019-02-05 | 西南交通大学 | The dielectric test device of EMU roof insulator under a kind of complex environment |
| CN110824309A (en) * | 2019-11-20 | 2020-02-21 | 国家电网有限公司 | Device and method for detecting fatigue degree of insulator steel foot of overhead transmission line |
| CN110824309B (en) * | 2019-11-20 | 2022-03-01 | 国家电网有限公司 | Device and method for detecting fatigue degree of insulator steel foot of overhead transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 |