CN202748444U - High-low voltage insulation detection apparatus of locomotive - Google Patents
High-low voltage insulation detection apparatus of locomotive Download PDFInfo
- Publication number
- CN202748444U CN202748444U CN201220459676.3U CN201220459676U CN202748444U CN 202748444 U CN202748444 U CN 202748444U CN 201220459676 U CN201220459676 U CN 201220459676U CN 202748444 U CN202748444 U CN 202748444U
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- voltage
- insulation
- locomotive
- insulation detection
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Abstract
Disclosed in the utility model is a high-low voltage insulation detection apparatus of a locomotive. The detection apparatus comprises a PWM modulation direct-current boost and voltage regulator module, a direct-current voltage sensor, an adjustable SPWM inverter alternating-current output module, an alternating-current voltage sensor, an alternating-current current sensor, a controller, a power filter, a liquid crystal display module and an insulation detection module. The controller controls the insulation detection module by a key switch of the locomotive; when the key switch is closed, high-voltage on-line insulation detection is carried out; and when the key switch is opened, low-voltage on-line insulation detection is carried out. According to the high-low voltage insulation detection apparatus provided by the utility model, comprehensive detection can be carried out on high-voltage equipment on the top of the locomotive and displaying and alarming can also be carried out, thereby effectively preventing and avoiding an accident. According to the low-voltage insulation detection, on-line detection on the state of insulation against ground of a loop is carried out; resistance to ground harmony of the current anode and cathode is timely displayed and optical pre-alarm is carried out; and the data are recorded and stored in real time and are outputted through a USB port. Therefore, the technical personnel can carried out a state analysis conveniently on the data.
Description
Technical field
The utility model relates to a kind of pick-up unit, particularly a kind of locomotive high-low pressure insulation detection device.
Background technology
Electric locomotive is to contact with locomotive top electrical network by pantograph to be subjected to electricity, pantograph and insulating support are to be in open-air state fully, in the situation that environment abominable (dust, acid rain) easily destroys its integral insulation, if go to pot at its integral insulation, because the steward can't the failure judgement situation, will cause effluve, ground connection in case again rise pantograph, gently then causes pantograph pan and contact net bonding, heavy then blow contact net, cause large fault.In the locomotive operation process, direct current 110V is topmost control power supply, and the quality of its insulation against ground will directly affect the operation control to electric locomotive.
The utility model content
For the problem that prior art exists, the utility model aims to provide and a kind ofly adapts with the locomotive environment for use, control interface and original equipment is consistent, reliability is high, the locomotive high-low pressure insulation detection device of long service life.
For solving the problems of the technologies described above, the utility model provides a kind of locomotive high-low pressure insulation detection device, comprise PWM modulation DC boosting Voltage stabilizing module, direct current voltage sensor, SPWM is adjustable inversion AC output module, AC voltage sensor, AC current sensor, controller, power-supply filter, LCD MODULE and insulation monitoring module, described controller is controlled described insulation monitoring module by the key switch of locomotive, when described key switch is closed, carry out the high pressure detection of insulating online, when described key switch is opened, carry out the low pressure detection of insulating online.
Described controller is by described direct current voltage sensor, AC voltage sensor and AC current sensor collection signal.
Described controller is judged collection signal and is processed and feed back to described PWM modulation DC boosting Voltage stabilizing module and the adjustable inversion AC output module of described SPWM carries out closed-loop control.
Described locomotive high-low pressure insulation detection device also comprises voltage transformer (VT), when described key switch is closed, can judge the High-Voltage Insulation state by the detection to described voltage transformer (VT).
Described LCD MODULE shows real-time status, low-voltage insulation resistance value and the alarm that online insulation detects.
Described insulation monitoring module adopts active detection.
And described locomotive high-low pressure insulation detection device also comprises the USB delivery outlet, is used for the data output that will preserve in real time.
The described locomotive high-low pressure insulation detection device that the utility model provides can carry out comprehensive detection to each state of power locomotive top high-tension apparatus, and makes corresponding control display and warning, thereby effectively prevents and avoid the generation of mishap.It mainly is the state that detects online the loop insulation against ground that low-voltage insulation detects, in time show resistance to earth harmony, the light pre-alarm of current both positive and negative polarity with LCD MODULE, and real time record preserves its data, by the output of USB mouth, is convenient to the technician it is carried out state analysis.
Description of drawings
Fig. 1 is the structural representation of a kind of locomotive high-low pressure insulation detection device that the utility model proposes.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment:
Please refer to Fig. 1, the utility model provides a kind of locomotive high-low pressure insulation detection device, comprises PWM modulation DC boosting Voltage stabilizing module 2, direct current voltage sensor 11, SPWM is adjustable inversion AC output module 3, AC voltage sensor 4, AC current sensor 5, controller 6, power-supply filter 1, LCD MODULE 9 and insulation monitoring module 8.
Described controller 6 is by direct current voltage sensor 11, AC voltage sensor 4, AC current sensor 5 collection signals, the signal that collects judged process and feed back to PWM modulation DC boosting Voltage stabilizing module 2 and the adjustable inversion AC output module 3 of SPWM carries out closed-loop control, make output voltage constant adjustable.
Described controller 6 is controlled described insulation monitoring module 8 by the key switch of locomotive, carries out the high pressure detection of insulating online when described key switch is closed, and carries out the low pressure detection of insulating online when described key switch is opened.
Wherein, described PWM modulation DC boosting Voltage stabilizing module 2 boosts the DC77V-138V of input and is stabilized to DC350V;
The value that described direct current voltage sensor 11 detects described DC350V realizes closed-loop control;
Described SPWM is adjustable, and inversion AC output module 3 is the DC350V inversion AC220V output, outputs to the inferior limit of locomotive main transformer, and this voltage can be regulated by potentiometer, scope 150-300V;
The value that described AC voltage sensor 4 detects output AC220V realizes closed-loop control;
Described AC current sensor 5 is used for output current value is detected, and described locomotive high-low pressure insulation detection device also comprises voltage transformer (VT) (not shown), when described key switch is closed, can judge High-Voltage Insulation state in conjunction with described current sensor to the detection of output current value by the detection to described voltage transformer (VT);
Described power-supply filter 1 is mainly used in suppressing the interference of locomotive 110V power supply;
Described insulation monitoring module 8 adopts the method for active detection, and the voltage by injecting high voltage direct current 350V is to improve accuracy of detection.
Described LCD MODULE 9 shows real-time status, low-voltage insulation resistance value and the alarm that online insulation detects.
And described locomotive high-low pressure insulation detection device also comprises USB delivery outlet and power module 1, and the data that described USB delivery outlet is used for preserving are in real time exported.
The described locomotive high-low pressure insulation detection device that the utility model provides can carry out comprehensive detection to each state of power locomotive top high-tension apparatus, and makes corresponding control display and warning, thereby effectively prevents and avoid the generation of mishap.It mainly is the state that detects online the loop insulation against ground that low-voltage insulation detects, in time show resistance to earth harmony, the light pre-alarm of current both positive and negative polarity with LCD MODULE, and real time record preserves its data, by the output of USB mouth, is convenient to the technician it is carried out state analysis.
The above has carried out exemplary description to the utility model by reference to the accompanying drawings; obvious realization of the present utility model is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted technical solutions of the utility model to carry out; or without improving design of the present utility model and technical scheme are directly applied to other occasion, all in protection domain of the present utility model.
Claims (7)
1. locomotive high-low pressure insulation detection device, comprise PWM modulation DC boosting Voltage stabilizing module, direct current voltage sensor, SPWM is adjustable inversion AC output module, AC voltage sensor, AC current sensor, controller, power-supply filter and LCD MODULE, it is characterized in that, also comprise insulation monitoring module, described controller is controlled described insulation monitoring module by the key switch of locomotive, when described key switch is closed, carry out the high pressure detection of insulating online, when described key switch is opened, carry out the low pressure detection of insulating online.
2. locomotive high-low pressure insulation detection device according to claim 1 is characterized in that, described controller is by described direct current voltage sensor, AC voltage sensor and AC current sensor collection signal.
3. locomotive high-low pressure insulation detection device according to claim 1, it is characterized in that, described controller is judged collection signal and is processed and feed back to described PWM modulation DC boosting Voltage stabilizing module and the adjustable inversion AC output module of described SPWM carries out closed-loop control.
4. locomotive high-low pressure insulation detection device according to claim 1 is characterized in that, also comprises voltage transformer (VT), when described key switch is closed, can judge the High-Voltage Insulation state by the detection to described voltage transformer (VT).
5. locomotive high-low pressure insulation detection device according to claim 1 is characterized in that, described LCD MODULE shows real-time status, low-voltage insulation resistance value and the alarm that online insulation detects.
6. locomotive high-low pressure insulation detection device according to claim 1 is characterized in that, described insulation monitoring module adopts active detection.
7. locomotive high-low pressure insulation detection device according to claim 1 is characterized in that, also comprises the USB delivery outlet, is used for the data output that will preserve in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220459676.3U CN202748444U (en) | 2012-09-11 | 2012-09-11 | High-low voltage insulation detection apparatus of locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220459676.3U CN202748444U (en) | 2012-09-11 | 2012-09-11 | High-low voltage insulation detection apparatus of locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202748444U true CN202748444U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220459676.3U Expired - Lifetime CN202748444U (en) | 2012-09-11 | 2012-09-11 | High-low voltage insulation detection apparatus of locomotive |
Country Status (1)
| Country | Link |
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| CN (1) | CN202748444U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105190333A (en) * | 2013-03-15 | 2015-12-23 | 豪倍公司 | DC high potential insulation breakdown test system and method |
| CN107526013A (en) * | 2017-10-17 | 2017-12-29 | 中车株洲电力机车有限公司 | Control method, device and the medium of a kind of high-voltage isulation detection of locomotive |
| 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 |
| CN111913087A (en) * | 2020-09-16 | 2020-11-10 | 成都畅通宏远科技股份有限公司 | Pulse type high-voltage insulation detection device and locomotive roof insulation detection method thereof |
-
2012
- 2012-09-11 CN CN201220459676.3U patent/CN202748444U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN105190333A (en) * | 2013-03-15 | 2015-12-23 | 豪倍公司 | DC high potential insulation breakdown test system and method |
| US10310006B2 (en) | 2013-03-15 | 2019-06-04 | Hubbell Incorporated | DC high potential insulation breakdown test system and method |
| CN105190333B (en) * | 2013-03-15 | 2020-02-28 | 豪倍公司 | DC high potential insulation breakdown test system and method |
| US10634711B2 (en) | 2013-03-15 | 2020-04-28 | Hubbell Incorporated | DC high potential insulation breakdown test system and method |
| CN107526013A (en) * | 2017-10-17 | 2017-12-29 | 中车株洲电力机车有限公司 | Control method, device and the medium of a kind of high-voltage isulation detection of locomotive |
| 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 |
| CN111913087A (en) * | 2020-09-16 | 2020-11-10 | 成都畅通宏远科技股份有限公司 | Pulse type high-voltage insulation detection device and locomotive roof insulation detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |