Intelligent monitoring device for state of overhead line system

Abstract

The utility model provides an intelligent monitoring device for the state of a contact network. The intelligent monitoring device comprises a remote monitoring system, and fixed monitoring equipment and mobile monitoring equipment which are connected with the remote monitoring system, the fixed monitoring equipment comprises a first sensor assembly and an acquisition assembly which are arranged on a contact network line, the acquisition assembly comprises a protection box and a monitoring box connected with the protection box, an image acquisition module is arranged on the inner side of the protection box, and a wind speed detector is arranged at the outer top of the monitoring box; a control assembly, a first data receiving module and a first data transmission module are arranged in the monitoring box; the mobile monitoring equipment is arranged on a train matched with the contact network and comprises a second sensor assembly, a second data transmission module and a data safety module. According to the utility model, comprehensive, real-time and remote monitoring of the overhead line system is realized, and a mobile monitoring mode is added, so that the monitoring coverage range is wider, the monitoring effect is better, timely maintenance is facilitated, and the safety of the overhead line system is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of contact network state monitoring, in particular to an intelligent contact network state monitoring device. Background Art

[0002] The overhead contact network is a high-voltage transmission line that is set up in a zigzag shape above the rails in an electrified railway and is used by the pantograph to draw current. The overhead contact network is the main structure of the railway electrification project and is a special form of transmission line set up above the railway line to supply power to electric locomotives. It consists of contact suspension, support device, positioning device, pillars and foundation. Overhead contact network power supply or overhead contact network is one of the two commonly used power supply network methods for electrified railways.

[0003] The contact network is an important component of the electrified railway system. It provides electric energy to the train to achieve traction and power supply for the train. The state of the contact network directly affects the operating efficiency and safety of the train. The contact network state includes the monitoring and evaluation of parameters such as the voltage, current, tension of the contact wire, and bending degree of the contact wire. The normal operation of the electrified railway system can be ensured by monitoring and maintaining the state of the contact network. Due to the large range of the contact network and its lines, the existing contact network state monitoring devices often cannot cover all of them. Therefore, the utility model proposes an intelligent monitoring device for the state of the contact network. Utility Model Content

[0004] The purpose of the utility model is to provide an intelligent monitoring device for the contact network status, which realizes comprehensive, real-time and remote monitoring of the contact network, and adds a mobile monitoring method, so that the monitoring coverage is wider, the monitoring effect is better, it is convenient for timely maintenance, and the safety of the contact network is increased.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an intelligent monitoring device for contact network status, including a remote monitoring system and a fixed monitoring device and a mobile monitoring device connected to the remote monitoring system;

[0006] The fixed monitoring device comprises a first sensor component arranged on the contact network line and a collection component arranged on the contact network pillar, the collection component comprises a protection box and a monitoring box connected to the protection box, an image collection module is arranged on the inner side of the protection box, a wind speed detector is arranged on the outer top of the monitoring box, and a control component for controlling the image collection module, a first data receiving module and a first data transmission module for transmitting the contact network line status parameters are arranged inside the monitoring box;

[0007] The mobile monitoring device is arranged on a train adapted to the overhead line, and comprises a second sensor component, a second data transmission module and a data security module.

[0008] Optionally, the first sensor assembly includes a first voltage sensor, a first current sensor, a temperature sensor and a tension sensor for fixed monitoring of the contact network line, and the second sensor assembly includes a second voltage sensor and a second current sensor for mobile monitoring of the contact network line, and the second voltage sensor and the second current sensor are both configured as shock-proof structures.

[0009] Optionally, the protection box is configured as a circular structure, a protection area for placing the image acquisition module is provided at the center of the protection box, ventilation holes are provided inside both sides of the protection box, and fans for ventilation and dust removal are provided inside the ventilation holes;

[0010] The image acquisition module includes an automatic telescopic column and an intelligent camera and a thermal imaging camera arranged at one end of the automatic telescopic column. Active parts are arranged between the intelligent camera and the automatic telescopic column and between the thermal imaging camera and the automatic telescopic column. The other end of the automatic telescopic column is arranged at the center of the monitoring box.

[0011] Optionally, the first data receiving module includes a voltage receiving unit, a current receiving unit, a temperature receiving unit, a tension receiving unit, a wind speed receiving unit, a contact network position receiving unit and a contact network morphology receiving unit.

[0012] Optionally, the data security module on the mobile monitoring device includes a data cache unit for storing data collected by the second sensor component, a data backup unit for copying the content of the data cache unit in an offline state, and a data recovery unit for retrieving data in an online state.

[0013] Optionally, the remote monitoring system includes a second data receiving module connected to the first data transmission module and the second data transmission module, a data processing module connected to the second data receiving module, and a visual monitoring module and an early warning module connected to the data processing module;

[0014] Among them, the visual monitoring module includes voltage data charts, current data charts, temperature data charts, tension data charts, wind speed data charts, and contact network position and shape data charts; the early warning module includes a first-level alarm unit for issuing text prompts and a second-level alarm unit for automatically dialing an alarm number; a first-level alarm threshold is set in the first-level alarm unit, and a second-level alarm threshold is set in the second-level alarm unit.

[0015] Therefore, the utility model adopts an intelligent monitoring device for contact network status of the above structure, and the beneficial effects achieved are:

[0016] 1. The utility model adopts a combination of fixed monitoring and mobile monitoring, and also installs a monitoring device on a railway vehicle, so that the state of the contact network line is monitored in real time through the on-board equipment. This mobile monitoring method can realize mobile monitoring of the contact network line, so that the monitoring coverage is wider and the monitoring effect is better; at the same time, the mobile monitoring equipment is also provided with a data security module to ensure the stability of the on-board equipment and the reliability of data transmission.

[0017] 2. The utility model can monitor the position and height of the contact wire of the contact network by setting an image acquisition module and using an intelligent camera to ensure good contact between the contact wire and the pantograph, avoiding problems such as poor contact or disconnection; it can also monitor the sag and lateral deviation of the contact network to ensure that the shape of the contact network meets the standards and avoid poor contact or disconnection caused by sag or poor lateral deviation. The temperature distribution on the surface of the contact network can be sensed by a thermal imaging camera, and the temperature of the contact network can be further located and detected to ensure the safe operation of the contact network. At the same time, since the device is set outdoors, the vents on the protective box play a role in ventilation and dust removal to a certain extent.

[0018] 3. The utility model realizes remote monitoring of the contact network line status through the Internet and other communication technologies by setting up a remote monitoring system, timely receiving line status data, and performing real-time monitoring, analysis and early warning to carry out timely maintenance.

[0019] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 A schematic diagram of the device structure of the collection component provided by the utility model;

[0022] Figure 2 A schematic diagram of the device structure of the protection box and the monitoring box provided by the utility model;

[0023] Figure numerals: 1. protection box; 11. protection area; 12. ventilation hole; 2. monitoring box; 21. wind speed detector; 3. automatic telescopic column; 31. moving part; 4. smart camera; 5. thermal imaging camera. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is further described below through the accompanying drawings and embodiments.

[0025] Example

[0026] like Figure 1-2 As shown, the utility model provides an intelligent monitoring device for the state of the contact network, including a remote monitoring system and a fixed monitoring device and a mobile monitoring device connected to the remote monitoring system; by setting up a combination of fixed monitoring and mobile monitoring, the monitoring device is also installed on a railway vehicle, and the state of the contact network line is monitored in real time through the on-board equipment. This mobile monitoring method can realize mobile monitoring of the contact network line, so that the monitoring coverage is wider and the monitoring effect is better.

[0027] like Figure 1-2 As shown, the fixed monitoring equipment includes a first sensor component arranged on the contact network line and a collection component arranged on the contact network pillar, the collection component includes a protection box 1 and a monitoring box 2 connected to the protection box 1, an image collection module is arranged on the inner side of the protection box 1, a wind speed detector 21 is arranged on the outer top of the monitoring box 2, and a control component for controlling the image collection module, a first data receiving module and a first data transmission module for transmitting the contact network line status parameters are arranged inside the monitoring box 2.

[0028] The mobile monitoring device is arranged on a train adapted to the overhead line, and comprises a second sensor component, a second data transmission module and a data security module.

[0029] Among them, the first sensor assembly includes a first voltage sensor, a first current sensor, a temperature sensor and a tension sensor for fixed monitoring of the contact network line, and the second sensor assembly includes a second voltage sensor and a second current sensor for mobile monitoring of the contact network line. The second voltage sensor and the second current sensor are both configured as shock-proof structures to reduce the impact of vibration on the equipment during railway travel and ensure the normal operation of the equipment.

[0030] like Figure 1-2 As shown, the protection box 1 is configured as a circular structure, a protection area 11 for placing the image acquisition module is provided at the center of the protection box 1, ventilation holes 12 are provided inside both sides of the protection box 1, and fans for ventilation and dust removal are provided inside the ventilation holes 12.

[0031] The image acquisition module includes an automatic telescopic column 3, and a smart camera 4 and a thermal imaging camera 5 arranged at one end of the automatic telescopic column 3. A movable part 31 is arranged between the smart camera 4 and the automatic telescopic column 3, and between the thermal imaging camera 5 and the automatic telescopic column 3. The other end of the automatic telescopic column 3 is arranged at the center of the monitoring box 2. The automatic telescopic column 3 is fixed on the monitoring box 2, and the camera is arranged on the automatic telescopic column 3 through the movable part 31, so that the angle of the camera can be adjusted.

[0032] The utility model can monitor the position and height of the contact wire of the contact network by setting an image acquisition module, using the intelligent camera 4 to ensure good contact between the contact wire and the pantograph, avoiding problems such as poor contact or disconnection; it can also monitor the sag and lateral deviation of the contact network to ensure that the shape of the contact network meets the standard, avoiding poor contact or disconnection caused by poor sag or lateral deviation. The thermal imaging camera 5 can sense the temperature distribution on the surface of the contact network, further locate and detect the temperature of the contact network, and ensure the safe operation of the contact network. At the same time, because the device is set outdoors, the vents 12 on the protective box 1 play a role in ventilation and dust removal to a certain extent.

[0033] The first data receiving module in the monitoring box 2 includes a voltage receiving unit, a current receiving unit, a temperature receiving unit, a tension receiving unit, a wind speed receiving unit, a contact network position receiving unit and a contact network morphology receiving unit.

[0034] The data security module on the mobile monitoring device includes a data cache unit for storing data collected by the second sensor component, a data backup unit for copying the content of the data cache unit in an offline state, and a data recovery unit for retrieving data in an online state. The data security module ensures the stability of the vehicle-mounted equipment and the reliability of data transmission.

[0035] The remote monitoring system includes a second data receiving module connected to the first data transmission module and the second data transmission module, a data processing module connected to the second data receiving module, and a visualization monitoring module and an early warning module connected to the data processing module; by setting up a remote monitoring system, remote monitoring of the contact network line status is achieved through communication technologies such as the Internet, and line status data is received in a timely manner, and real-time monitoring, analysis and early warning are performed to carry out timely maintenance.

[0036] Wherein, the visual monitoring module includes a voltage data chart, a current data chart, a temperature data chart, a tension data chart, a wind speed data chart, and a contact network position and shape data chart, and the early warning module includes a primary alarm unit for issuing text prompts and a secondary alarm unit for automatically dialing an alarm phone. The primary alarm unit is provided with a primary alarm threshold, and the secondary alarm unit is provided with a secondary alarm threshold. If the voltage data, current data, temperature data, tension data, wind speed data, and contact network position and shape data are greater than the primary alarm threshold set by the primary alarm unit, a text prompt is automatically issued; if the voltage data, current data, temperature data, tension data, wind speed data, and contact network position and shape data are greater than the secondary alarm threshold set by the secondary alarm unit, an alarm phone is automatically dialed; so that problems with the contact network can be notified to relevant personnel in a timely manner.

[0037] Therefore, the utility model realizes comprehensive, real-time and remote monitoring of the contact network by providing an intelligent monitoring device for the contact network status, and adds a mobile monitoring method, so that the monitoring coverage is wider, the monitoring effect is better, it is convenient for timely maintenance, and the safety of the contact network is increased.

[0038] Finally, it should be noted that: This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. At the same time, for those skilled in the art, according to the ideas of the utility model, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. An intelligent monitoring device for contact network status, characterized in that: It includes a remote monitoring system and fixed monitoring equipment and mobile monitoring equipment connected to the remote monitoring system; The fixed monitoring device comprises a first sensor component arranged on the contact network line and a collection component arranged on the contact network pillar, the collection component comprises a protection box and a monitoring box connected to the protection box, an image collection module is arranged on the inner side of the protection box, a wind speed detector is arranged on the outer top of the monitoring box, and a control component for controlling the image collection module, a first data receiving module and a first data transmission module for transmitting the contact network line status parameters are arranged inside the monitoring box; The mobile monitoring device is arranged on a train adapted to the overhead line, and comprises a second sensor component, a second data transmission module and a data security module.

2. The intelligent monitoring device for contact network status according to claim 1 is characterized in that: The first sensor assembly includes a first voltage sensor, a first current sensor, a temperature sensor and a tension sensor for fixedly monitoring the contact network line. The second sensor assembly includes a second voltage sensor and a second current sensor for movably monitoring the contact network line. The second voltage sensor and the second current sensor are both configured as shock-proof structures.

3. The intelligent monitoring device for contact network status according to claim 2 is characterized in that: The protection box is configured as a circular structure, a protection area for placing the image acquisition module is provided at the center of the protection box, ventilation holes are provided inside both sides of the protection box, and fans for ventilation and dust removal are provided inside the ventilation holes; The image acquisition module includes an automatic telescopic column and an intelligent camera and a thermal imaging camera arranged at one end of the automatic telescopic column. Active parts are arranged between the intelligent camera and the automatic telescopic column and between the thermal imaging camera and the automatic telescopic column. The other end of the automatic telescopic column is arranged at the center of the monitoring box.

4. The intelligent monitoring device for contact network status according to claim 3 is characterized in that: The first data receiving module includes a voltage receiving unit, a current receiving unit, a temperature receiving unit, a tension receiving unit, a wind speed receiving unit, a contact network position receiving unit and a contact network morphology receiving unit.

5. The intelligent monitoring device for contact network status according to claim 4 is characterized in that: The data security module on the mobile monitoring device includes a data cache unit for storing data collected by the second sensor component, a data backup unit for copying the content of the data cache unit in an offline state, and a data recovery unit for retrieving data in an online state.

6. The intelligent monitoring device for contact network status according to claim 5 is characterized in that: The remote monitoring system includes a second data receiving module connected to the first data transmission module and the second data transmission module, a data processing module connected to the second data receiving module, and a visual monitoring module and an early warning module connected to the data processing module; Among them, the visual monitoring module includes voltage data charts, current data charts, temperature data charts, tension data charts, wind speed data charts, and contact network position and shape data charts; the early warning module includes a first-level alarm unit for issuing text prompts and a second-level alarm unit for automatically dialing an alarm number; a first-level alarm threshold is set in the first-level alarm unit, and a second-level alarm threshold is set in the second-level alarm unit.

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