CN203551726U - Electric locomotive roof insulation detecting device - Google Patents

Electric locomotive roof insulation detecting device Download PDF

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Publication number
CN203551726U
CN203551726U CN201320645245.0U CN201320645245U CN203551726U CN 203551726 U CN203551726 U CN 203551726U CN 201320645245 U CN201320645245 U CN 201320645245U CN 203551726 U CN203551726 U CN 203551726U
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China
Prior art keywords
module
output terminal
plc
inverter
model
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Expired - Fee Related
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CN201320645245.0U
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Chinese (zh)
Inventor
黄增宇
安琪
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Shanxi Zhiji Electronic Technology Co Ltd
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Shanxi Zhiji Electronic Technology Co Ltd
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Abstract

The utility model relates to an electric locomotive roof insulation detecting device, and belongs to the electric locomotive technology field; and the utility model solves the technical problem of providing an electric locomotive roof insulation detecting device that is convenient for detection. The technical scheme used for the utility model is that a PLC module is individually connected with an inverter module, a storage battery module, a data memory module, a clock circuit module and an alarm module; and a DC input terminal of the inverter module is connected with an output terminal of the storage battery module, one AC output terminal of the inverter module is serially connected with a resistor R1 and then connected with an output terminal a1 of the electric locomotive roof insulation detecting device, and the other AC output terminal of the inverter module is connected with an output terminal b1 of the electric locomotive roof insulation detecting device. Live-line conditions of an electric locomotive high-voltage mutual inductor can be detected before insulation detection, safety of operators is ensured, and electric shock accidences are prevented.

Description

Power locomotive top insulation detection device
Technical field
The utility model power locomotive top insulation detection device, belongs to electric locomotive technical field, is specifically related to a kind of power locomotive top insulating detection equipment.
Background technology
Power locomotive top high-tension apparatus is outdoor installation, require 25KV high voltage electric equipment and locomotive roof to have sufficient High-Voltage Insulation performance, prevent the infringement of weather extremes and the attacks of thunder and lightning atmospheric over-voltage such as wind, sand, rain, snow, power locomotive top high-tension apparatus mainly comprises pantograph, main circuit breaker, roof bus, high-tension current inductor, lightning arrester, high voltage potential transformer and pantograph, roof bus support insulator etc., when electric locomotive traction train operation, if locomotive roof high-tension apparatus breaks down or other reason causes high-tension apparatus fault, such as pantograph is scraped bow, the blast of arc extinguishing chamber of main circuit breaker porcelain vase, non-linear resistance blast, support insulator flashover etc. cause high-tension apparatus ground connection or and roof between insulation reduce, now steward is not as found in time, once again rise pantograph, will cause effluve, ground connection, gently cause pantograph pan and contact net bonding, heavy blow contact net, cause large fault, have a strong impact on the normal order of traffic safety and transportation by railroad.
In order to guarantee operating personnel's personal safety; prevent the generation of electric shock accidents; existing top insulation pick-up unit is provided with various kinds of protective circuit; and need to before detection, detect the charged state of each several part; whole need to several individuals simultaneously test; increased the cost of pick-up unit, also strengthened insulation and detected the difficulty operating, very inconvenient.
Utility model content
The utility model overcomes the deficiency that prior art exists, and technical matters to be solved is; A kind of convenient power locomotive top insulation detection device detecting is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: power locomotive top insulation detection device, comprising: PLC module, inverter module, battery module, data memory module, clock circuit module, alarm modules, voltage table V1, reometer A1 and resistance R 1;
Described PLC module is connected with alarm modules with inverter module, battery module, data memory module, clock circuit module respectively, the direct-flow input end of described inverter module is connected with the output terminal of battery module, after an ac output end series resistor R1 of inverter module, be connected with the output terminal a1 of power locomotive top insulation detection device, another ac output end of inverter module is connected with the output terminal b1 of power locomotive top insulation detection device;
Described reometer A1 is attempted by the two ends of resistance R 1, and one end of described voltage table V1 is connected with output terminal a1, and the other end of voltage table V1 is connected with output terminal b1.
Described PLC module is also connected with communication module.
Described PLC module is also connected with display and keyboard.
Described display shows date, time, inverter input voltage and inverter output voltage.
The PLC that the employing model of described PLC module is SST89E564DR or for the model PLC that is SST89E554RC or for the model PLC that is SST89V564DR or be the model PLC that is SST89V554RC.
The beneficial effect that the utility model compared with prior art has is: the utility model has increased voltage and current detecting device at the output terminal of inverter module, can before detection, detect the charged situation of electric locomotive high-voltage mutual inductor, guaranteed operating personnel's safety, avoided the generation of electric shock accidents, whole circuit is very succinct, cost is lower, practical.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail:
Fig. 1 is electrical block diagram of the present utility model;
Fig. 2 is use circuit diagram of the present utility model;
In figure: 1 is that PLC module, 2 is that inverter module, 3 is that battery module, 4 is that data memory module, 5 is that clock circuit module, 6 is that alarm modules, 7 is that communication module, 8 is that display, 9 is keyboard.
Embodiment
As shown in Figure 1, the utility model power locomotive top insulation detection device, comprising: PLC module 1, inverter module 2, battery module 3, data memory module 4, clock circuit module 5, alarm modules 6, voltage table V1, reometer A1 and resistance R 1; Described PLC module 1 is connected with inverter module 2, battery module 3, data memory module 4, clock circuit module 5 and alarm modules 6 respectively, the direct-flow input end of described inverter module 2 is connected with the output terminal of battery module 3, after an ac output end series resistor R1 of inverter module 2, be connected with the output terminal a1 of power locomotive top insulation detection device, another ac output end of inverter module 2 is connected with the output terminal b1 of power locomotive top insulation detection device; Described reometer A1 is attempted by the two ends of resistance R 1, and one end of described voltage table V1 is connected with output terminal a1, and the other end of voltage table V1 is connected with output terminal b1.
Described PLC module 1 is also connected with communication module 7, and described communication module 7 comprises USB interface and Ethernet interface, and by communication module 7, PLC module 1 can be connected with electric locomotive control system and carry out communication.
Described PLC module 1 is also connected with display 8 and keyboard 9; Described display 8 shows date, time, inverter input voltage and inverter output voltage, by display 8 and keyboard 9, can carry out parameter setting to power locomotive top insulation detection device.
The PLC that the employing model of described PLC module 1 is SST89E564DR or for the model PLC that is SST89E554RC or for the model PLC that is SST89V564DR or be the model PLC that is SST89V554RC.
As shown in Figure 2, when the utility model is used, output terminal a1, the b1 of above-mentioned power locomotive top insulation detection device is connected with the Secondary Winding of locomotive voltage transformer (VT) T1, Secondary Winding to locomotive voltage transformer (VT) T1 provides AC100V power supply, locomotive network pressure gauge V2 shows the secondary side voltage of locomotive voltage transformer (VT) T1, and locomotive electrical network net presses Table V 3 to show the primary side voltage of locomotive voltage transformer (VT) T1; While detecting when preparing to insulate, output terminal a1, the b1 of above-mentioned power locomotive top insulation detection device are contacted with locomotive voltage transformer (VT) T1 respectively, observe the numerical value of above-mentioned voltage table V1 and reometer A1, if voltage table V1 and reometer A1 are zero, the power supply that locomotive voltage transformer (VT) T1 is described disconnects completely, can start insulation detects, so just can before detection, detect the charged situation of electric locomotive high-voltage mutual inductor, guarantee operating personnel's safety, avoided the generation of electric shock accidents.
During detection, the utility model provides AC100V power supply to the Secondary Winding of locomotive voltage transformer (VT) T1, the no-load voltage of a winding of locomotive voltage transformer (VT) T1 is 25000V, now locomotive network pressure gauge V2 shows 100V, locomotive electrical network net presses Table V 3 to show 25KV, when a winding has load or short circuit, be while insulating reduction or ground connection between roof high-tension apparatus and roof, once winding current increases thereupon, Secondary Winding electric current also will be along with increase, voltage on dropping resistor in Secondary Winding loop will increase, Secondary Winding voltage will reduce, by observing voltage table V1 of the present utility model and reometer A1, can determine that whether ground connection or insulation reduce roof high-tension apparatus, must not again rise pantograph in this case.
Owing to not knowing the insulation situation of roof, if first given 100V voltage, in the situation that top insulation is low, by having, a very large dash current will be had, cause the fault of device, the utility model is when test, by the output voltage of PLC module 1 control inverter module 2, by the slow given technology of test voltage, simulate the process of artificial bulge test, test voltage slowly increases from 0, when insulation is low, when output current reaches cut-off current, voltage is not rising, prevented the generation of dash current, guaranteed that whole experimentation is safe and reliable.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make various variations.

Claims (5)

1. power locomotive top insulation detection device, is characterized in that: comprising: PLC module (1), inverter module (2), battery module (3), data memory module (4), clock circuit module (5), alarm modules (6), voltage table V1, reometer A1 and resistance R 1;
Described PLC module (1) is connected with inverter module (2), battery module (3), data memory module (4), clock circuit module (5) and alarm modules (6) respectively, the direct-flow input end of described inverter module (2) is connected with the output terminal of battery module (3), after an ac output end series resistor R1 of inverter module (2), be connected with the output terminal a1 of power locomotive top insulation detection device, another ac output end of inverter module (2) is connected with the output terminal b1 of power locomotive top insulation detection device;
Described reometer A1 is attempted by the two ends of resistance R 1, and one end of described voltage table V1 is connected with output terminal a1, and the other end of voltage table V1 is connected with output terminal b1.
2. power locomotive top insulation detection device according to claim 1, is characterized in that: described PLC module (1) is also connected with communication module (7).
3. power locomotive top insulation detection device according to claim 2, is characterized in that: described PLC module (1) is also connected with display (8) and keyboard (9).
4. power locomotive top insulation detection device according to claim 3, is characterized in that: described display (8) shows date, time, inverter input voltage and inverter output voltage.
5. according to the power locomotive top insulation detection device described in the arbitrary claim of claim 1 to 4, it is characterized in that: the PLC that the employing model of described PLC module (1) is SST89E564DR or for the model PLC that is SST89E554RC or for the model PLC that is SST89V564DR or be the model PLC that is SST89V554RC.
CN201320645245.0U 2013-10-19 2013-10-19 Electric locomotive roof insulation detecting device Expired - Fee Related CN203551726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320645245.0U CN203551726U (en) 2013-10-19 2013-10-19 Electric locomotive roof insulation detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320645245.0U CN203551726U (en) 2013-10-19 2013-10-19 Electric locomotive roof insulation detecting device

Publications (1)

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CN203551726U true CN203551726U (en) 2014-04-16

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104614652A (en) * 2015-02-09 2015-05-13 韩社教 High voltage generator for motor train unit roof
CN104849631A (en) * 2015-05-18 2015-08-19 湖南工业大学 Locomotive roof insulation testing system
CN105629133A (en) * 2014-11-26 2016-06-01 现代自动车株式会社 System and method for diagnosing insulation-breakdown of vehicle component
CN107144787A (en) * 2017-04-24 2017-09-08 华北电力大学 The generator insulating detection means and detection method of a kind of permanent-magnetic wind driven generator
CN108872912A (en) * 2018-08-28 2018-11-23 中车兰州机车有限公司 The test device of power locomotive top insulation detection device
CN111308297A (en) * 2018-12-12 2020-06-19 中车唐山机车车辆有限公司 Insulation detection device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105629133A (en) * 2014-11-26 2016-06-01 现代自动车株式会社 System and method for diagnosing insulation-breakdown of vehicle component
CN105629133B (en) * 2014-11-26 2019-08-16 现代自动车株式会社 System and method for diagnosing the insulation breakdown of vehicle part
CN104614652A (en) * 2015-02-09 2015-05-13 韩社教 High voltage generator for motor train unit roof
CN104849631A (en) * 2015-05-18 2015-08-19 湖南工业大学 Locomotive roof insulation testing system
CN104849631B (en) * 2015-05-18 2017-10-17 湖南工业大学 A kind of locomotive roof insulation testing system
CN107144787A (en) * 2017-04-24 2017-09-08 华北电力大学 The generator insulating detection means and detection method of a kind of permanent-magnetic wind driven generator
CN108872912A (en) * 2018-08-28 2018-11-23 中车兰州机车有限公司 The test device of power locomotive top insulation detection device
CN111308297A (en) * 2018-12-12 2020-06-19 中车唐山机车车辆有限公司 Insulation detection device

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Electric locomotive roof insulation detecting device

Effective date of registration: 20140701

Granted publication date: 20140416

Pledgee: Shanxi small & medium enterprises Venture Capital Co., Ltd.

Pledgor: Shanxi Zhiji Electronic Technology Co., Ltd.

Registration number: 2014990000532

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20150812

Granted publication date: 20140416

Pledgee: Shanxi small & medium enterprises Venture Capital Co., Ltd.

Pledgor: Shanxi Zhiji Electronic Technology Co., Ltd.

Registration number: 2014990000532

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Electric locomotive roof insulation detecting device

Effective date of registration: 20160728

Granted publication date: 20140416

Pledgee: Shanxi Pratt & Whitney innovation network technology partnership (limited partnership)

Pledgor: Shanxi Zhiji Electronic Technology Co., Ltd.

Registration number: 2016140000008

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140416

Termination date: 20201019

CF01 Termination of patent right due to non-payment of annual fee