CN218329763U - Contact net geometric parameter detection device - Google Patents
Contact net geometric parameter detection device Download PDFInfo
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- CN218329763U CN218329763U CN202221468875.0U CN202221468875U CN218329763U CN 218329763 U CN218329763 U CN 218329763U CN 202221468875 U CN202221468875 U CN 202221468875U CN 218329763 U CN218329763 U CN 218329763U
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Abstract
The utility model relates to a contact net geometric parameters detection device, include: the system comprises a vehicle body, a sensor group, a data acquisition unit, a camera, an arc burning measurement sensor and an industrial personal computer; the vehicle body is provided with two parallel pantograph heads, and the sensor group is arranged on the pantograph heads; the sensor group comprises a first pressure sensor, a second pressure sensor, a third pressure sensor and a fourth pressure sensor; the first pressure sensor and the second pressure sensor are respectively arranged at two ends of one pantograph head, and the third pressure sensor and the fourth pressure sensor are respectively arranged at two ends of the other pantograph head; the arcing measuring sensor is fixedly connected with the vehicle body and electrically connected with the data acquisition unit; the data acquisition unit is electrically connected with the industrial personal computer. The utility model discloses the beneficial effect who reaches is: a plurality of sensors can be conveniently installed, and the installation mode is optimized; observing the state of the external device in real time; potential safety hazards generated under some special conditions are avoided, and reliability is improved.
Description
Technical Field
The utility model relates to a track traffic detects technical field, especially a contact net geometric parameters detection device.
Background
At present, with the rapid development of urban rail transit, the requirement on the urban train charging technology is higher. The contact net also plays an important role in urban rail transit. The overhead line system is an important component of an electric traction system, is usually erected above a track or on one side of the track, and is a special power transmission line. The widely used urban rail transit contact net comprises a flexible contact net, a rigid contact net and a contact rail. The overhead contact system is generally erected above a track line, a pantograph head on an electric train is in direct contact with the contact system, and the electric train continuously transmits electric energy to the electric train through reliable direct sliding contact with the pantograph head of the electric train and returns to a traction substation through a steel rail. The contact net provides the assurance to train power supply safe operation, and in the design and the use of contact net, made many-sided design to its security, the contact net design need be measured its important parameter such as leading height, pull-out value when accomplishing the experiment, also will overhaul maintenance to its geometric parameters after putting into service. The existing measurement of the geometric parameters of the contact network is generally manual static inspection or dynamic monitoring, certain potential safety hazards exist and the detection mode is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's shortcoming, it is portable to provide the installation, detects accurate, safe and reliable's a contact net geometric parameters detection device.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a contact net geometric parameters detection device, includes: the system comprises a vehicle body, a sensor group, a data acquisition unit, a camera, an arc burning measurement sensor and an industrial personal computer;
the vehicle body is provided with two parallel pantograph heads, and the sensor group is arranged on the pantograph heads; wherein the sensor group comprises a first pressure sensor, a second pressure sensor, a third pressure sensor and a fourth pressure sensor;
the first pressure sensor and the second pressure sensor are respectively arranged at two ends of one pantograph head, and the third pressure sensor and the fourth pressure sensor are respectively arranged at two ends of the other pantograph head;
the arcing measurement sensor is fixedly connected with the vehicle body and electrically connected with the data acquisition unit; and the data acquisition unit is electrically connected with the industrial personal computer.
Preferably, the sensors included in the sensor group are mounted sensors.
Preferably, the sensor group further comprises an acceleration sensor, and the acceleration sensor is electrically connected with the data acquisition device.
Preferably, the data collector internally comprises a transmitter, an A/D converter and a D/A converter; the transmitter converts the signal detected by the sensor into a standard electric signal; the A/D converter is used for converting the analog signal in the device into a digital signal; the D/A converter is used for converting the digital signal in the device into an analog signal.
Preferably, the device further comprises an optical fiber, one end of the optical fiber is connected with the data collector, and the other end of the optical fiber is connected with the industrial personal computer.
Preferably, the sensor group is electrically connected with the data acquisition unit, and the camera is electrically connected with the data acquisition unit; the laser 2D sensor is installed on the vehicle body, and the laser 2D sensor is electrically connected with the data collector.
Preferably, the industrial personal computer can calculate the acquired data and obtain the geometric parameters of the overhead line system.
The utility model has the advantages of it is following:
(1) The utility model adopts the installation type sensor and the data acquisition unit to accelerate the installation speed in a certain degree; the working efficiency is improved;
(2) By arranging the camera, the condition of the external environment of the detection device can be acquired in real time, and whether the arc exists or not and whether the arc spreads to other surrounding devices or not can be observed by the camera;
(3) The industrial personal computer and the data acquisition unit are connected through the optical fiber, and the high voltage electricity can be prevented from influencing the industrial personal computer and equipment inside the vehicle body when the device on the contact net leaks electricity.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a hardware diagram of the present invention;
FIG. 3 is a schematic diagram of a sensor group according to the present invention;
FIG. 4 is a schematic view of the data acquisition unit of the present invention;
in the figure: the system comprises a sensor group 1, a data collector 2, a camera 3, a laser 2D sensor 4, an arcing measurement sensor 5, an optical fiber 6, a vehicle body 7, an electric pantograph head 8, an industrial personal computer 201, a first pressure sensor 301, a second pressure sensor 302, a third pressure sensor 303, a fourth pressure sensor 304, an acceleration sensor 305, a transmitter 401, an A/D converter 402 and a D/A converter 403.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-4, a geometric parameter detection device for a catenary comprises: the system comprises a vehicle body 7, a sensor group 1, a data acquisition unit 2, a camera 3, an arcing measurement sensor 5 and an industrial personal computer 201; the vehicle body 7 is provided with two parallel pantograph heads 8, and the sensor group 1 is arranged on the pantograph heads 8; wherein, the sensor group 1 includes a first pressure sensor 301, a second pressure sensor 302, a third pressure sensor 303 and a fourth pressure sensor 304; the first pressure sensor 301 and the second pressure sensor 302 are respectively arranged at two ends of one pantograph head 8, and the third pressure sensor 303 and the fourth pressure sensor 304 are respectively arranged at two ends of the other pantograph head 8; the arcing measurement sensor 5 is fixedly connected with the vehicle body 7, and the arcing measurement sensor 5 is electrically connected with the data acquisition unit 2; the data acquisition unit 2 is electrically connected with the industrial personal computer 201; the vehicle body 7 is mounted with a camera 3.
Particularly, the utility model discloses in be equipped with sensor group 1 on automobile body 7, data collection station 2, camera 3, arcing measurement sensor 5 and industrial computer 201. The vehicle body 7 is connected with a contact net through an electric bow 8, the electric bow 8 is two parallel electric bow 8, a sensor group 1 is arranged on the electric bow 8, the electric bow 8 comprises pressure sensors and acceleration sensors 305, and the four pressure sensors are respectively a first pressure sensor 301, a second pressure sensor 302, a third pressure sensor 303 and a fourth pressure sensor 304; four groups of pressure sensors are respectively arranged at two ends of the pantograph head 8, wherein a first pressure sensor 301 and a second pressure sensor 302 are respectively arranged at two ends of one pantograph head 8, a third pressure sensor 303 and a fourth pressure sensor 304 are respectively arranged at two ends of the other pantograph head 8, 4 pressure sensors can respectively and accurately measure the stress relation between each carbon slide plate and the pantograph head 8, the measured force is represented by the industrial personal computer 201 in the form of an electric signal, and the industrial personal computer 201 performs data processing to represent the force. Still fixedly connected with arcing measuring sensor 5 on the automobile body 7, arcing measuring sensor 5 is connected with 2 electricity of data collection station, and arcing measuring sensor 5 can convey data collection station 2 with the signal of gathering, and data collection station 2 is connected with industrial computer 201, and industrial computer 201 is transmitted with the signal transmission who gathers to data collection station 2, can detect whether the electric arc between carbon slide and the pantograph head 8 is safe. The vehicle body 7 is also provided with a camera 3, and the camera 3 can monitor the state of the detection device in real time and upload the state to the industrial personal computer 201.
Optionally, the sensors included in the sensor group 1 are mounted sensors. The sensor group 1 further comprises an acceleration sensor 305, the acceleration sensor 305 being electrically connected to the data acquisition device. The data acquisition device 2 internally comprises a transmitter 401, an A/D converter 402 and a D/A converter 403; the transmitter 401 converts the signal detected by the sensor into a standard electrical signal; the a/D converter 402 is used to convert the analog signal in the present apparatus into a digital signal; the D/a converter 403 is used to convert the digital signal in the present apparatus into an analog signal.
Specifically, in order to facilitate installation, the sensor is an installation type sensor, which can facilitate installation, the sensor group 1 further includes an acceleration sensor 305, and the acceleration sensor 305 can acquire the acceleration of the vehicle in a certain acceleration state, so as to provide conditions for acquiring the acceleration in the detection test state. The utility model discloses a sensor detects the state after, converts it into standard signal through the inside changer 401 of data collection station 2, and standard signal this moment is analog signal, converts this analog signal into digital signal through AD converter 402, and the data collection station 2 of being convenient for discerns, and data collection station 2 is inside still to be equipped with DA converter 403, can convert digital signal into required analog signal.
Optionally, the device further comprises an optical fiber 6, one end of the optical fiber 6 is connected with the data acquisition unit 2, and the other end of the optical fiber 6 is connected with the industrial personal computer 201. The sensor group 1 is electrically connected with the data acquisition unit 2, and the camera 3 is electrically connected with the data acquisition unit 2; laser 2D sensor 4 is installed on automobile body 7, and laser 2D sensor 4 is connected with data collection station 2 electricity. The industrial personal computer 201 can calculate the acquired data and obtain the geometric parameters of the overhead line system.
Specifically, the utility model discloses in, be connected data collection station 2 with industrial computer 201 through optic fibre 6, optic fibre 6 can give industrial computer 201 with the signal transmission on the data collection station 2, and simultaneously, adopt optic fibre 6 to connect, can prevent electric arc interference, because at the in-process that carries out the geometric parameters detection, the carbon slide contact be the high pressure about being close to 1600V, if in the installation, there is installation error or installation error, lead to having contacted the high-tension electricity, optic fibre 6 can protect the high-tension electricity not down pass, lead to puncturing the vehicle, this provides safety protection for the unexpected condition that probably exists. The vehicle body 7 is also provided with a laser 2D sensor 4, a fan-shaped laser plane emitted by the laser 2D sensor 4 is projected on the surface of a measured object, the laser plane is intersected with the surface of the measured object, and a high-brightness light bar is formed on the surface of the object; the camera 3 is fixed relative to the laser, and shoots and obtains a two-dimensional image of the light bar from another position; when the relative position parameters between the laser and the camera 3 are known, the actual coordinates of the surface of the object can be recovered from the light bar image coordinates based on the optical triangulation measurement principle, and the measurement of the surface of the object is completed. The industrial personal computer 201 can calculate the acquired data and obtain the geometric parameters of the contact network. The industrial personal computer 201 integrates and calculates the acquired data, and displays the measured geometric parameters.
The above embodiments only represent preferred embodiments, and the description is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (7)
1. The utility model provides a contact net geometric parameters detection device which characterized in that: the method comprises the following steps: the device comprises a vehicle body (7), a sensor group (1), a data acquisition unit (2), a camera (3), an arc measurement sensor (5) and an industrial personal computer (201);
two parallel pantograph heads (8) are arranged on the vehicle body (7), and the sensor group (1) is arranged on the pantograph heads (8); wherein the sensor group (1) comprises a first pressure sensor (301), a second pressure sensor (302), a third pressure sensor (303) and a fourth pressure sensor (304);
the first pressure sensor (301) and the second pressure sensor (302) are respectively arranged at two ends of one pantograph head (8), and the third pressure sensor (303) and the fourth pressure sensor (304) are respectively arranged at two ends of the other pantograph head (8);
the arcing measurement sensor (5) is fixedly connected with the vehicle body (7), and the arcing measurement sensor (5) is electrically connected with the data acquisition unit (2); the data acquisition unit (2) is electrically connected with the industrial personal computer (201);
and a camera (3) is mounted on the vehicle body (7).
2. The device for detecting the geometric parameters of the overhead line system according to claim 1, wherein: the sensors contained in the sensor group (1) are mounting type sensors.
3. The device for detecting the geometric parameters of the overhead line system according to claim 1, wherein: the sensor group (1) further comprises an acceleration sensor (305), and the acceleration sensor (305) is electrically connected with the data acquisition device.
4. The device for detecting the geometric parameters of the overhead line system according to claim 3, wherein: the data acquisition unit (2) internally comprises a transmitter (401), an A/D converter and a D/A converter; the transmitter (401) converts the signal detected by the sensor into an electrical signal; the A/D converter is used for converting the analog signal in the device into a digital signal; the D/A converter is used for converting the digital signal in the device into an analog signal.
5. The device for detecting the geometric parameters of the overhead line system according to claim 1, wherein: the device further comprises an optical fiber (6), one end of the optical fiber (6) is connected with the data collector (2), and the other end of the optical fiber (6) is connected with the industrial personal computer (201).
6. The device for detecting the geometric parameters of the overhead line system according to claim 1, wherein: the sensor group (1) is electrically connected with the data collector (2), and the camera (3) is electrically connected with the data collector (2); install laser 2D sensor (4) on automobile body (7), laser 2D sensor (4) with data collection station (2) electricity is connected.
7. The device for detecting the geometric parameters of the overhead line system according to claim 1, wherein: the industrial personal computer (201) can calculate the acquired data and obtain the geometric parameters of the contact network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221468875.0U CN218329763U (en) | 2022-06-13 | 2022-06-13 | Contact net geometric parameter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221468875.0U CN218329763U (en) | 2022-06-13 | 2022-06-13 | Contact net geometric parameter detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218329763U true CN218329763U (en) | 2023-01-17 |
Family
ID=84867062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221468875.0U Active CN218329763U (en) | 2022-06-13 | 2022-06-13 | Contact net geometric parameter detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218329763U (en) |
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2022
- 2022-06-13 CN CN202221468875.0U patent/CN218329763U/en active Active
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