CN111750924A - Detection device for bow net system - Google Patents
Detection device for bow net system Download PDFInfo
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- CN111750924A CN111750924A CN201910253081.9A CN201910253081A CN111750924A CN 111750924 A CN111750924 A CN 111750924A CN 201910253081 A CN201910253081 A CN 201910253081A CN 111750924 A CN111750924 A CN 111750924A
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- pantograph
- out value
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- acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a detection device for a pantograph-catenary system, wherein the pantograph-catenary system comprises a catenary and a pantograph, the detection device comprises a pull-out value sensor, an acceleration sensor and a data acquisition device, the pull-out value sensor is configured to be capable of detecting the pull-out value of the catenary, the acceleration sensor is configured to be capable of detecting the vibration acceleration of a pantograph head, and the data acquisition device is configured to be capable of supplying power to the pull-out value sensor and the acceleration sensor and receiving the pull-out value measured by the pull-out value sensor and the acceleration measured by the acceleration sensor. According to the detection device for the pantograph-catenary system, accurate detection results of the pantograph-catenary running states can be obtained quickly even in real time, the detection results are not influenced by various adverse external factors, and drivers/vehicle-mounted machinists can be helped to master the pantograph-catenary running states timely, quickly and accurately.
Description
Technical Field
The present invention relates to a bow net system, such as a bow net system for a rail transit system, and more particularly to a detection device for a bow net system.
Background
The change of the contact pressure between the pantograph and the contact network directly affects the current collection performance, the contact pressure is small, the pantograph is easy to be off-line, and the contact interface of the pantograph and the contact network is easy to burn; on the contrary, when the pressure of the contact net is high, the contact line can be partially bent to cause fatigue damage of the contact line, meanwhile, the abrasion of the sliding plate and the contact line is increased, the replacement frequency of the sliding plate is increased, the operation cost is increased, and the sliding plate or the contact line can be broken seriously to cause pantograph accidents.
In order to improve the reliability of the pantograph system, a detection device needs to be configured for the pantograph system, and the running state of the pantograph system is acquired through the monitoring device. In the early stage, a manual observation and recording mode is mostly adopted, information such as arc discharge and pull-out values among bow nets is recorded through visual observation, and fault positions are recorded.
With the development of the application of the bow net system in the fields such as rail transit and the like and the improvement of the automation degree, the modernization degree of the detection equipment is continuously improved. The existing detection equipment is divided into contact detection and non-contact detection, but the existing detection equipment still has low detection precision and difficult maintenance, and the detection result is easily influenced by external factors such as sunshine, shielding, shooting shaking and the like, so that a driver/a vehicle-mounted mechanic is not facilitated to timely, rapidly and accurately master the operation state of the pantograph-catenary.
Therefore, it is desirable to design a new detection device for a bow net system.
Disclosure of Invention
The invention aims to overcome the defects that the existing detection equipment has low detection precision and difficult maintenance, the detection result is easily influenced by external factors such as sunshine, shielding, shooting shaking and the like, and a driver/an on-board mechanic is not favorable for timely, quickly and accurately mastering the operation state of a pantograph and catenary, and provides a novel detection device for a pantograph and catenary system.
The invention solves the technical problems by adopting the following technical scheme:
the invention provides a detection device for a pantograph system, which comprises a contact system and a pantograph, wherein the pantograph is provided with a pantograph head, and the detection device is characterized by comprising a pull-out value sensor, an acceleration sensor and a data acquisition device, wherein the pull-out value sensor is configured to be capable of detecting the pull-out value of the contact system, the acceleration sensor is configured to be capable of detecting the vibration acceleration of the pantograph head, and the data acquisition device is configured to be capable of supplying power to the pull-out value sensor and the acceleration sensor and receiving the pull-out value measured by the pull-out value sensor and the acceleration measured by the acceleration sensor.
Preferably, the pull-out value sensor has an infrared reflective photoelectric switch configured to send a preset first feedback signal to the data acquisition device when the pull-out value exceeds a pull-out value threshold of the overhead line system.
Preferably, the detection device further comprises a data integration processing device and an optical fiber signal transmission line, the data acquisition device is provided with an optical fiber signal transmitter, the optical fiber signal transmission line is connected with the optical fiber signal transmitter and the data integration processing device, and the optical fiber signal transmitter is configured to be capable of converting the pulling-out value and the acceleration received by the data acquisition device into optical fiber signals and transmitting the optical fiber signals to the data integration processing device through the optical fiber signal transmission line.
Preferably, the data integration processing device comprises a communication interface, and the communication interface is an RS485 interface, an RS232 interface or a multifunctional vehicle bus interface.
Preferably, the detection device further comprises an image pickup device with an irradiation light source, and the image pickup device is configured to be capable of sending a photographed image to the data integration processing device.
Preferably, the infrared reflection type photoelectric switch has a light source wavelength of 880nm, an operating current of 30mA, and a response time of 3 ms.
Preferably, the data acquisition device has a battery for supplying power to the pull-out value sensor and the acceleration sensor.
Preferably, the detection device further comprises a display device connected to the data integration processing device, the data integration processing device is configured to be capable of processing the pull-out value and the acceleration received by the data acquisition device into a waveform map reflecting changes of the pull-out value and the acceleration with time, respectively, and the display device is configured to be capable of displaying the waveform map.
Preferably, the pantograph system further comprises a train, the pantograph is arranged at the top of the train, the pull-out value sensor and the acceleration sensor are installed at the head of the pantograph, and the data acquisition device is installed on the bottom frame of the pantograph.
Preferably, the camera device is installed at the top of the train, the detection device further includes a dc power supply, the dc power supply is used for supplying power to the data integration processing device, the display device and the camera device, and the dc power supply, the data integration processing device and the display device are installed in the train.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
according to the detection device for the pantograph and catenary system, accurate pantograph and catenary running state detection results can be obtained quickly even in real time, the detection device is not influenced by various adverse external factors, drivers/onboard mechanics can be helped to master the pantograph and catenary running state timely, quickly and accurately, and equipment such as rail transit vehicles and the like can be helped to run reliably, safely and at high speed.
Drawings
Fig. 1 is a schematic view of a detection device for a bow net system according to a preferred embodiment of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, is intended to be illustrative, and not restrictive, and any other similar items may be considered within the scope of the present invention.
In the following detailed description, directional terms, such as "left", "right", "upper", "lower", "front", "rear", and the like, are used with reference to the orientation as illustrated in the drawings. The components of various embodiments of the present invention can be positioned in a number of different orientations and the directional terminology is used for purposes of illustration and is in no way limiting.
Referring to fig. 1, a detection device for a pantograph system according to a preferred embodiment of the present invention includes a catenary and a pantograph having a pantograph head. The detection device comprises a pull-out value sensor, an acceleration sensor and a data acquisition device, wherein the pull-out value sensor is configured to be capable of detecting the pull-out value of a contact net, the acceleration sensor is configured to be capable of detecting the vibration acceleration of a pantograph head, and the data acquisition device is configured to be capable of supplying power to the pull-out value sensor and the acceleration sensor and receiving the pull-out value measured by the pull-out value sensor and the acceleration measured by the acceleration sensor. The hard spot of the contact net can be further obtained by detecting the vibration acceleration of the pantograph head of the pantograph.
According to some preferred embodiments of the present invention, the pull-out value sensor has an infrared-type reflective photoelectric switch configured to send a preset first feedback signal to the data acquisition device when the pull-out value exceeds a pull-out value threshold of the catenary.
According to some preferred embodiments of the present invention, the detection device further comprises a data integration processing device and an optical fiber signal transmission line, the data acquisition device has an optical fiber signal transmitter, the optical fiber signal transmission line connects the optical fiber signal transmitter and the data integration processing device, and the optical fiber signal transmitter is configured to be able to transmit the pull-out value and the acceleration received by the data acquisition device to the data integration processing device via the optical fiber signal transmission line.
The data acquisition device can be positioned on the roof, is integrated with the optical fiber signal transmitting unit, can convert the detection data into optical fiber signals and then transmits the optical fiber signals, and effectively avoids the interference of high-voltage and high-frequency environments on the detection data signals.
According to some preferred embodiments of the present invention, the data integration processing device includes a communication interface, and the communication interface is an RS485 interface, an RS232 interface or a multifunctional vehicle bus interface (MVB interface for short).
According to some preferred embodiments of the present invention, the detection device further comprises an imaging device with an illumination source, the imaging device being configured to be able to send the captured image to the data-integrated processing device.
According to some preferred embodiments of the present invention, the infrared reflective photoelectric switch has a light source wavelength of 880nm (nanometers), an operating current of 30mA (milliamperes), and a response time of 3ms (milliseconds).
According to some preferred embodiments of the invention, the data acquisition device has a battery for supplying power to the pull-out value sensor and the acceleration sensor.
According to some preferred embodiments of the present invention, the detection device further comprises a display device connected to the data integration processing device, the data integration processing device is configured to be able to process the pull-out value and the acceleration received by the data acquisition device into a waveform map reflecting changes of the pull-out value and the acceleration over time, respectively, and the display device is configured to be able to display the waveform map. Preferably, the display device can also display video images taken by the camera device.
Referring to fig. 1, according to some preferred embodiments of the present invention, the pantograph system further includes a train, a pantograph is disposed at a top of the train, a pull-out value sensor and an acceleration sensor are installed at a bow of the pantograph, and a data collecting device is installed on a bottom frame of the pantograph. Preferably, the detection device may have two pullout value sensors, and the two pullout value sensors may be installed approximately symmetrically on the left and right sides of the center of the bow slide plate of the pantograph.
Referring to fig. 1, according to some preferred embodiments of the present invention, the camera device is installed on the top of the train, and the detection device further includes a dc power supply for supplying power to the data integration processing device, the display device and the camera device, and the dc power supply, the data integration processing device and the display device are installed in the train, such as a cab or a mechanic's room.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The utility model provides a detection device for pantograph and catenary system, pantograph and catenary system includes contact net and pantograph, and the pantograph has the pantograph bow, a serial communication port, detection device is including pulling out value sensor, acceleration sensor and data acquisition device, it is configured as can to pull out value sensor is configured as can detect the pulling out value of contact net, acceleration sensor is configured as can detect the vibration acceleration of pantograph bow, data acquisition device is configured as can do pull out value sensor with acceleration sensor power supply and receipt pull out value sensor measures pull out value with acceleration sensor measures the acceleration.
2. The sensing device of claim 1, wherein the pull-out value sensor has an infrared reflective photoelectric switch configured to issue a preset first feedback signal to the data collection device when the pull-out value exceeds a pull-out value threshold of the overhead line system.
3. The detection device of claim 1, further comprising a data-integrated processing device and a fiber-optic signal transmission line, wherein the data acquisition device has a fiber-optic signal transmitter, and wherein the fiber-optic signal transmission line connects the fiber-optic signal transmitter and the data-integrated processing device, and wherein the fiber-optic signal transmitter is configured to convert the pull-out value and the acceleration received by the data acquisition device into fiber-optic signals and transmit the fiber-optic signals to the data-integrated processing device via the fiber-optic signal transmission line.
4. The detection device according to claim 3, wherein the data integration processing device comprises a communication interface, and the communication interface is an RS485 interface, an RS232 interface or a multifunctional vehicle bus interface.
5. The inspection device of claim 1, further comprising an imaging device with an illumination source, the imaging device configured to be capable of sending captured images to the data-integrated processing device.
6. The detecting device according to claim 2, wherein the infrared reflection type photoelectric switch has a light source wavelength of 880nm, an operating current of 30mA, and a response time of 3 ms.
7. A testing device according to claim 1, wherein the data acquisition device has a battery for powering the pull-out value sensor and the acceleration sensor.
8. The detection apparatus according to claim 3, further comprising a display apparatus connected to the data-integration processing apparatus, the data-integration processing apparatus being configured to be able to process the pull-out value and the acceleration received by the data acquisition apparatus into waveform diagrams reflecting changes over time of the pull-out value and the acceleration, respectively, the display apparatus being configured to be able to display the waveform diagrams.
9. The detection device of claim 8, wherein the pantograph system further comprises a train, the pantograph is disposed on a top of the train, the pull-out value sensor and the acceleration sensor are mounted at a bow of the pantograph, and the data acquisition device is mounted on a bottom frame of the pantograph.
10. The detection device according to claim 9, wherein the camera device is mounted on the top of the train, the detection device further comprising a dc power supply for supplying power to the data integration processing device, the display device and the camera device, the dc power supply, the data integration processing device and the display device being mounted in the train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253081.9A CN111750924A (en) | 2019-03-29 | 2019-03-29 | Detection device for bow net system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253081.9A CN111750924A (en) | 2019-03-29 | 2019-03-29 | Detection device for bow net system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111750924A true CN111750924A (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910253081.9A Pending CN111750924A (en) | 2019-03-29 | 2019-03-29 | Detection device for bow net system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111750924A (en) |
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2019
- 2019-03-29 CN CN201910253081.9A patent/CN111750924A/en active Pending
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