CN201440161U - Locomotive top insulation detection equipment for locomotive - Google Patents
Locomotive top insulation detection equipment for locomotive Download PDFInfo
- Publication number
- CN201440161U CN201440161U CN2009201615737U CN200920161573U CN201440161U CN 201440161 U CN201440161 U CN 201440161U CN 2009201615737 U CN2009201615737 U CN 2009201615737U CN 200920161573 U CN200920161573 U CN 200920161573U CN 201440161 U CN201440161 U CN 201440161U
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- locomotive
- checkout equipment
- roof insulation
- locomotive roof
- voltage
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Abstract
The utility model discloses locomotive top insulation detection equipment for a locomotive, which comprises a power input port, an inverter, a high-voltage equipment connecting port and a voltage detection device, wherein the power input port is connected with an outer power supply for obtaining direct current, the inverter is connected with the power input port for converting the direct current into alternating current, the high-voltage equipment connecting port is connected with the inverter for transferring the alternating current generated by the inverter to the outer high-voltage equipment, and the voltage detection device is connected with the high-voltage equipment connecting port for detecting the voltage of the outer high-voltage equipment. The locomotive top insulation detection equipment for the locomotive can fast and accurately judge whether the high-voltage equipment at the locomotive top is grounded or whether the insulation effect is reduced, and in addition, the utility model has the advantage of simple implementation, and provides the effective technical assurance for the safe operation of electric locomotives.
Description
Technical field
The utility model relates to the electric locomotive field, relates in particular to a kind of locomotive roof insulation checkout equipment.
Background technology
Usually, locomotive roof high-tension apparatus all is installed in the open air, so require high-voltage electrical equipment and locomotive roof that the good insulation performance is arranged, could effectively prevent the infringement of weather extremes such as wind, sand, rain, snow and the attack of thunder and lightning.Locomotive is when operation, if the roof high-tension apparatus breaks down, in when, pantograph for example taking place scraping situations such as bow, the blast of main circuit breaker porcelain, porcelain vase flicker, to cause effluve, ground connection, cause the damage of high-tension apparatus and the paralysis of operation contact net, have a strong impact on the normal order of traffic safety and transportation by railroad.
At present, existing locomotive roof insulation checkout equipment is all too complicated and detect quick inadequately, accurate, like this, if high-tension apparatus breaks down, when locomotive rises bow and main circuit breaker startup locomotive, in time detection failure can cause great destruction to locomotive, even the harm people health.
The utility model content
The utility model purpose provides a kind of locomotive roof insulation checkout equipment, separates and must not easy, quick, accurate inspection vehicle rises the whether problem that reduces of ground connection or insulation of pressure equipment.
In order to address the above problem, the utility model provides a kind of locomotive roof insulation checkout equipment, comprising: power input mouth, inverter, high-tension apparatus connectivity port and voltage check device; Wherein,
Described power input mouth links to each other with external power source, obtains direct current;
Described inverter links to each other with described power input mouth, and described direct current is converted to alternating current;
Described high-tension apparatus connectivity port links to each other with described inverter, and the alternating current that described inverter is produced is transferred to external high pressure equipment;
Described voltage check device links to each other with described high-tension apparatus connectivity port, detects the voltage of external high pressure equipment.
Implement the utility model embodiment, can fast, accurately judge the roof high-tension apparatus whether ground connection or insulation reduce, and implement simple, for the safe operation of electric locomotive provides effective technical guarantee.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the locomotive roof insulation checkout equipment of the utility model embodiment;
Fig. 2 is the another kind of structural representation of the locomotive roof insulation checkout equipment of the utility model embodiment.
Fig. 3 is the specific embodiment of structural representation of the locomotive roof insulation checkout equipment of utility model embodiment among Fig. 2.
Fig. 4 is another specific embodiment of structural representation of the locomotive roof insulation checkout equipment of utility model embodiment among Fig. 2.
Fig. 5 is the application synoptic diagram of locomotive roof insulation checkout equipment in electric locomotive of the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further details below in conjunction with accompanying drawing.At this, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.
Fig. 1 is the structural representation of the locomotive roof insulation checkout equipment of the utility model embodiment.
As shown in Figure 1, the insulation of the locomotive roof in present embodiment checkout equipment comprises power input mouth 101, inverter 102, high-tension apparatus connectivity port 103 and voltage check device 104;
When locomotive roof insulation checkout equipment was in the present embodiment worked, power input mouth 101 was connected external power sources, obtains direct current; After the direct current that inverter 102 provides power input mouth 101 changes alternating current into, be transferred to high-tension apparatus connectivity port 103; High-tension apparatus connectivity port 103 is transferred to external high pressure equipment with the alternating current that inverter 102 produces; Voltage check device 104 is connected in described high-tension apparatus connectivity port 104, be used for detecting the change in voltage of the external high pressure equipment of connection, thereby inspection vehicle is risen the insulating property of pressure equipment.
Fig. 2 is the another kind of structural representation of the locomotive roof insulation checkout equipment of the utility model embodiment.
Locomotive roof insulation checkout equipment in the present embodiment also comprises locomotive roof insulation checkout equipment shell, insulation checkout equipment shell comprises: detector switch 201, be connected in power input mouth 101, the duty of control locomotive roof insulation checkout equipment, when detecting, only press detector switch 201, locomotive roof insulation checkout equipment could normally move;
Pilot lamp 203 is connected in voltage check device 104 and detector switch 201, is convenient to observe more intuitively the duty and the testing result of locomotive roof insulation checkout equipment.Pilot lamp 203 comprises:
Power light 2031, be connected with detector switch 201, indicate described locomotive roof insulation checkout equipment duty, when pressing detector switch 201, if power light 2031 is bright, show that this equipment work is normal, do not work, show that then work is undesired, should check whether the power input mouth has the power supply input this moment;
Ground lamp 2032 is connected with voltage check device 104, and indication ground connection or insulation reduce, and when this lamp and power light 2031 are simultaneously bright, proves that institute's measuring car rises pressure equipment ground connection;
Normal pilot lamp 2033 is connected with voltage check device 104, and when this lamp and power light 2031 were simultaneously bright, it was good to show that institute's measuring car is risen the apparatus insulated performance of pressure.
When locomotive roof insulation checkout equipment is in the embodiment shown in Figure 2 worked, external power source 110V direct current is linked into power input mouth 101 by electric connector 202, press detector switch 201, this moment, power light 2031 was bright, proved that locomotive roof insulation checkout equipment is working properly; After inverter 102 changes direct current into alternating current, export to external high pressure equipment by high-tension apparatus connectivity port 103, voltage check device 104 is connected in described high-tension apparatus connectivity port 104, be used for detecting the change in voltage of the external high pressure equipment of connection, normal if voltage check device 104 records external high pressure equipment, i.e. good insulation preformance, this moment, normal pilot lamp 2033 was bright, if external high pressure equipment is undesired, i.e. insulation reduces or ground connection, and then this moment, ground lamp 2032 was bright.
Embodiment one:
Fig. 3 is the specific embodiment of structural representation of the locomotive roof insulation checkout equipment of utility model embodiment among Fig. 2.
As shown in Figure 3, in the present embodiment, the high-tension apparatus connectivity port 103 of locomotive roof insulation checkout equipment is connected with the high voltage potential transformer of locomotive, high voltage potential transformer is connected in locomotive roof high-tension apparatus, by the voltage of measurement high voltage potential transformer secondary winding, thus the insulating property of detection locomotive roof high-tension apparatus.
In this embodiment, voltage check device 104 is pressed table 204 for net, and it is connected in parallel on 103 two ends, high-tension apparatus connectivity port, promptly is parallel to the high voltage potential transformer two ends, is used for measuring the voltage of high voltage potential transformer secondary winding; Seven core sockets 301 are used for connecting power supply input/output signal line as electric connector, promptly are used for importing the direct current of 110V, and this direct current is supplied with by the locomotive internal electric source; Headlight switch 302 is used to provide locomotive roof insulation checkout equipment detection signal power supply, and when closed headlight switch 302, the locomotive internal electric source can be the power supply that checkout equipment provides 110V; Detector switch 201 is used for controlling the duty of whole locomotive roof insulation checkout equipment, when determining to use this checkout equipment, then opens detector switch 201, and this moment, checkout equipment could operate as normal.
Pilot lamp 203 has three pilot lamp, is beneficial to the insulation status of more visual and accurate judgement locomotive roof high-tension apparatus, and pilot lamp equipment is respectively:
Power light 2031, whether be used to refer to the work of locomotive roof insulation checkout equipment normal;
Ground lamp 2032, when roof high-tension apparatus ground connection, this pilot lamp is bright;
Normal pilot lamp 2033, when the roof high-tension apparatus was working properly, this pilot lamp was bright.
When the roof insulation checkout equipment among this embodiment is worked, at first disconnect locomotive key 303, promptly disconnect main circuit breaker, make locomotive be in halted state, connect seven core sockets 301 this moment, and closed engine hatch lamp switch 302 is promptly connected the power supply and the signal source of whole locomotive roof checkout equipment; Next presses detector switch 201, if power light 2031 is bright, shows that then this equipment work is normal, can detect.
During detection, inverter 102 is converted to the 110V direct current that obtains in the alternating current of 50Hz/100V, be transferred to the locomotive high-voltage voltage transformer (VT) by high-tension apparatus connectivity port 103, high voltage potential transformer is added on the roof high-tension apparatus after the alternating current of 5OHz/100V is boosted to 25KV.If the roof high-tension apparatus is normal, to net pressure table 204 so and be shown as 25KV, show that the roof high voltage equipment insulation is good this moment, normal pilot lamp 2033 is bright; If the roof high voltage equipment insulation reduces or ground connection, then according to high voltage potential transformer hardware connection performance and equipotential characteristics, net pressure table 204 item is shown as 0V, and ground lamp 2032 is bright simultaneously, show roof high-tension apparatus ground connection this moment, must not rise pantograph.Promptly can be by observing the insulating property that magnitude of voltage that net pressure table shows and pilot lamp detect locomotive roof high-tension apparatus intuitively.
Embodiment two:
Fig. 4 is another specific embodiment of structural representation of the locomotive roof insulation checkout equipment of utility model embodiment among Fig. 2.
As shown in Figure 4, in the locomotive roof insulation checkout equipment in the present embodiment, the required direct current 110V of equipment provides by accumulator 401, and by the work of a contact switch 402 control accumulators, contact switch 402 is also controlled the duty of whole locomotive roof insulation checkout equipment simultaneously.Have only when determining to use this checkout equipment, closing contact switch 402, locomotive roof insulation this moment checkout equipment obtains direct current, begins simultaneously to detect.Voltage check device 104 is similarly net pressure table 204, and it measures the voltage at high voltage potential transformer secondary winding two ends.
Pilot lamp equipment 203 has three pilot lamp, is beneficial to the insulation status of more visual and accurate judgement locomotive roof high-tension apparatus, and pilot lamp equipment is respectively:
Power light 2031, it is connected in power input mouth 101, and whether be used to refer to the work of locomotive roof insulation checkout equipment normal, and when the power input mouth had electric current, this lamp was bright, showed that locomotive roof insulation checkout equipment can operate as normal;
Ground lamp 2032, when roof high-tension apparatus ground connection or insulation reduction, this pilot lamp is bright;
Normal pilot lamp 2033, when the roof high-tension apparatus was working properly, this pilot lamp was bright.
When the roof insulation checkout equipment among this embodiment is worked, at first the closing contact switch 402, connect accumulator 401, power input mouth 101 obtains the direct current of the 110V that accumulator provides, inverter 102 is converted to the 110V direct current that obtains in the alternating current of 50Hz/100V, be transferred to the locomotive high-voltage voltage transformer (VT) by high-tension apparatus connectivity port 103, high voltage potential transformer is added on the roof high-tension apparatus after the alternating current of 50Hz/100V is boosted to 25KV.If the roof high-tension apparatus is normal, to net pressure table 204 so and be shown as 25KV, show that the roof high voltage equipment insulation is good this moment, normal pilot lamp 2033 is bright; If the roof high voltage equipment insulation reduces or ground connection, then according to high voltage potential transformer hardware connection performance and equipotential characteristics, net pressure table 204 item is shown as 0V, and ground lamp 2032 is bright simultaneously, show roof high-tension apparatus ground connection this moment, must not rise pantograph.Promptly can be by observing the insulating property that magnitude of voltage that net pressure table shows and pilot lamp detect locomotive roof high-tension apparatus intuitively.
Fig. 5 is the application synoptic diagram of locomotive roof insulation checkout equipment in electric locomotive of the utility model embodiment.Before electric locomotive starts, need to check the insulating property of locomotive roof high-tension apparatus, with the safety in guaranteeing to drive a vehicle.
As shown in Figure 5, that the described locomotive roof of the utility model embodiment insulation checkout equipment is applicable to is single-phase, power frequency, alternating voltage 25KV the contact net locomotive or the engineering truck of work down, and must be at the locomotive roof unmanned and pin under the situation of roof door and can use.Locomotive roof insulation checkout equipment can be arranged on the operating platform of cab, so that driver observation.In addition, the cable that connects between locomotive roof insulation checkout equipment and the high voltage potential transformer adopts shielded cable.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a locomotive roof insulation checkout equipment is characterized in that, described locomotive roof insulation checkout equipment comprises: power input mouth, inverter, high-tension apparatus connectivity port and voltage check device; Wherein,
Described power input mouth links to each other with external power source, obtains direct current;
Described inverter links to each other with described power input mouth, and described direct current is converted to alternating current;
Described high-tension apparatus connectivity port links to each other with described inverter, and the alternating current that described inverter is produced is transferred to external high pressure equipment;
Described voltage check device links to each other with described high-tension apparatus connectivity port, detects the voltage of external high pressure equipment.
2. locomotive roof insulation checkout equipment as claimed in claim 1 is characterized in that described high-tension apparatus connectivity port is connected to the locomotive high-voltage voltage transformer (VT).
3. locomotive roof insulation checkout equipment as claimed in claim 1 is characterized in that described voltage check device is pressed table for net.
4. locomotive roof insulation checkout equipment as claimed in claim 1 is characterized in that described external power source can be locomotive internal electric source or accumulator.
5. locomotive roof insulation checkout equipment as claimed in claim 1 is characterized in that, described locomotive roof insulation checkout equipment also comprises locomotive roof insulation checkout equipment shell.
6. locomotive roof insulation checkout equipment as claimed in claim 5 is characterized in that, described locomotive roof insulation checkout equipment shell comprises:
Detector switch is connected with described power input mouth, controls the duty of described locomotive roof insulation checkout equipment;
Pilot lamp links to each other with described detector switch with described voltage check device, the indication testing result.
7. locomotive roof insulation checkout equipment as claimed in claim 5 is characterized in that, described locomotive roof insulation checkout equipment shell comprises:
Electric connector links to each other with described power input mouth, connects power supply input/output signal line.
8. locomotive roof insulation checkout equipment as claimed in claim 6 is characterized in that described pilot lamp comprises:
Power light is connected in described detector switch, indicates described locomotive roof insulation detection system duty.
9. locomotive roof insulation checkout equipment as claimed in claim 6 is characterized in that described pilot lamp comprises:
Ground lamp is connected in described voltage check device, and indication ground connection or insulation reduce.
10. locomotive roof insulation checkout equipment as claimed in claim 6 is characterized in that described pilot lamp comprises:
Normal pilot lamp is connected in described voltage check device, the indication good insulation preformance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201615737U CN201440161U (en) | 2009-07-28 | 2009-07-28 | Locomotive top insulation detection equipment for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201615737U CN201440161U (en) | 2009-07-28 | 2009-07-28 | Locomotive top insulation detection equipment for locomotive |
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| Publication Number | Publication Date |
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| CN201440161U true CN201440161U (en) | 2010-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201615737U Expired - Fee Related CN201440161U (en) | 2009-07-28 | 2009-07-28 | Locomotive top insulation detection equipment for locomotive |
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| CN (1) | CN201440161U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866288A (en) * | 2012-10-17 | 2013-01-09 | 株洲南车时代电气股份有限公司 | Voltage detection device and power supply system of electric locomotive |
| CN102866330A (en) * | 2012-09-11 | 2013-01-09 | 株洲中车电力机车配件有限公司 | Locomotive high-low voltage insulation detection device |
| CN102916355A (en) * | 2012-11-06 | 2013-02-06 | 北京赛德高科铁道电气科技有限责任公司 | High-voltage electrical box |
| CN102928682A (en) * | 2011-08-09 | 2013-02-13 | 南车洛阳机车有限公司 | Meshless high-voltage test device of electric locomotive |
| CN104330718A (en) * | 2014-11-21 | 2015-02-04 | 西安伯龙高铁电气有限公司 | Analysis method for train insulation detection |
| CN104716591A (en) * | 2015-03-12 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | High voltage equipment box for railway vehicle |
| CN104849631A (en) * | 2015-05-18 | 2015-08-19 | 湖南工业大学 | Locomotive roof insulation testing system |
| CN106896304A (en) * | 2017-04-18 | 2017-06-27 | 河北中车科技发展有限公司 | Ultralow frequency EMUs roof high-pressure system insulation monitoring and warning device and monitoring method |
| 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 |
| CN111890990A (en) * | 2020-08-12 | 2020-11-06 | 中车大连机车车辆有限公司 | Electric locomotive pantograph-catenary protection control method and system |
-
2009
- 2009-07-28 CN CN2009201615737U patent/CN201440161U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928682B (en) * | 2011-08-09 | 2016-05-25 | 南车洛阳机车有限公司 | High-voltage testing device without electric network for electric locomotives |
| CN102928682A (en) * | 2011-08-09 | 2013-02-13 | 南车洛阳机车有限公司 | Meshless high-voltage test device of electric locomotive |
| CN102866330B (en) * | 2012-09-11 | 2015-12-16 | 株洲中车电力机车配件有限公司 | A kind of locomotive high-low voltage insulation detection device |
| CN102866330A (en) * | 2012-09-11 | 2013-01-09 | 株洲中车电力机车配件有限公司 | Locomotive high-low voltage insulation detection device |
| CN102866288B (en) * | 2012-10-17 | 2016-03-02 | 株洲南车时代电气股份有限公司 | A kind of voltage check device and a kind of electric locomotive power supply system |
| CN102866288A (en) * | 2012-10-17 | 2013-01-09 | 株洲南车时代电气股份有限公司 | Voltage detection device and power supply system of electric locomotive |
| CN102916355A (en) * | 2012-11-06 | 2013-02-06 | 北京赛德高科铁道电气科技有限责任公司 | High-voltage electrical box |
| CN104330718A (en) * | 2014-11-21 | 2015-02-04 | 西安伯龙高铁电气有限公司 | Analysis method for train insulation detection |
| CN104716591A (en) * | 2015-03-12 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | High voltage equipment box for railway vehicle |
| CN104716591B (en) * | 2015-03-12 | 2017-06-06 | 中车青岛四方机车车辆股份有限公司 | A kind of high-voltage equipment box of rail vehicle |
| 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 |
| CN106896304A (en) * | 2017-04-18 | 2017-06-27 | 河北中车科技发展有限公司 | Ultralow frequency EMUs roof high-pressure system insulation monitoring and warning device and monitoring method |
| 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 |
| CN111890990A (en) * | 2020-08-12 | 2020-11-06 | 中车大连机车车辆有限公司 | Electric locomotive pantograph-catenary protection control method and system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20150728 |
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| EXPY | Termination of patent right or utility model |