CN210486884U - Detection equipment for dynamic form of catenary dropper - Google Patents

Detection equipment for dynamic form of catenary dropper Download PDF

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Publication number
CN210486884U
CN210486884U CN201921459985.9U CN201921459985U CN210486884U CN 210486884 U CN210486884 U CN 210486884U CN 201921459985 U CN201921459985 U CN 201921459985U CN 210486884 U CN210486884 U CN 210486884U
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dropper
imaging
light source
assembly
dynamic form
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CN201921459985.9U
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杨志鹏
周威
汪海瑛
张文轩
李艳龙
盛良
李向东
王燕国
刘春浩
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China Academy of Railway Sciences Corp Ltd CARS
Infrastructure Inspection Institute of CARS
Beijing IMAP Technology Co Ltd
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China Academy of Railway Sciences Corp Ltd CARS
Infrastructure Inspection Institute of CARS
Beijing IMAP Technology Co Ltd
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Abstract

The utility model provides a detection equipment of contact net dropper dynamic form, include: the imaging assembly is used for detecting the dynamic form of a dropper of a contact line and a pantograph contact point and acquiring image data of the dynamic form of the dropper; the light source assembly is used for imaging and supplementing light to the position where the dropper is located; the imaging assembly and the light source assembly are arranged in a pantograph base area at the top of the vehicle; the device control assembly is used for controlling the synchronism of the shutter triggering of the imaging assembly and the opening and closing of the light source assembly; and the display device is used for displaying the image data of the dynamic state of the dropper. The utility model provides a high definition formation of image of dropper dynamic form can be realized to the check out test set of contact net dropper dynamic form to show the dropper state, whole process can be accomplished along with the vehicle operation, and collection efficiency is high, grasps the form of dropper under dynamic load comprehensively, can provide effectual information support for the prediction of dropper state.

Description

Detection equipment for dynamic form of catenary dropper
Technical Field
The utility model relates to an electronic railway contact net detects technical field, indicates a check out test set of contact net dropper dynamic form especially.
Background
The contact net dropper is an important component of the contact suspension device, connects a carrier cable and a contact line, stabilizes the mechanical structure of the contact net, and ensures the uniform elasticity of the contact net. When the train runs at a high speed, the pressure of the pantograph is increased, the dropper bends after the contact line is lifted, and meanwhile, after the pantograph passes through, the contact network is in an oscillation state, and the dropper bends repeatedly, so that the mechanical performance of the dropper is influenced. With the increase of the number of trains in operation and the improvement of the operation speed, the problem that the dropper is broken due to mechanical fatigue occurs occasionally, and the broken dropper easily causes the failure of the pantograph, thereby influencing the operation and transportation quality of the trains.
In view of the above, a technical scheme capable of comprehensively detecting the dynamic state of a catenary dropper is urgently needed, and powerful data support is provided for the prediction and analysis of the state of the dropper.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a detection equipment of contact net dropper dynamic form can be comprehensive, convenient, the efficient detects contact net dropper dynamic form, provides strong information support for the predictive analysis of dropper state.
The utility model provides an in the embodiment, a detection equipment of contact net dropper dynamic form is proposed, the device includes: the device comprises an imaging assembly, a light source assembly, an equipment control assembly and a display device; wherein,
the imaging assembly and the light source assembly are arranged in a pantograph base area at the top of the vehicle;
the imaging assembly is used for detecting the dynamic form of a dropper of a contact line and a pantograph contact point and acquiring image data of the dynamic form of the dropper;
the light source assembly is used for imaging and supplementing light to the position where the dropper is located;
the equipment control assembly is connected with the imaging assembly and the light source assembly and is used for controlling the synchronism of the shutter trigger of the imaging assembly and the opening and closing of the light source assembly;
and the display device is connected with the imaging assembly and is used for displaying the image data of the dynamic state of the dropper.
Optionally, the imaging component is a linear array CCD/CMOS camera, and is configured to image a dynamic state of the dropper at a position above a contact point of the pantograph and the contact line, and acquire image data of the dropper.
Optionally, the imaging component is an area array CCD/CMOS camera, and is configured to image a dynamic state of the dropper at a position above a contact point of the pantograph and the contact line, and acquire image data of the dropper.
Optionally, the light source assembly is an LED lamp, and is configured to perform imaging light supplement on a dropper at a position above a contact point between the pantograph and the contact line.
Optionally, the light source assembly is a xenon lamp and is used for imaging and supplementing light for a dropper at a position above a contact point of the pantograph and the contact line.
Optionally, the light source assembly is in a normally bright or stroboscopic mode to perform imaging light supplement on the dropper.
Optionally, the device control assembly includes: the device comprises a power supply module, a signal processing module and a control module; the power supply module is connected with the signal processing module and the control module and used for providing power;
the signal processing module is connected with the control module and used for receiving a detection signal and generating a control instruction according to the detection signal;
and the control module is used for triggering the shutter of the imaging assembly and the light source of the light source assembly to be opened and closed according to the control instruction, and keeping the synchronism of the shutter triggering of the imaging assembly and the light source opening and closing of the light source assembly.
Optionally, the imaging assemblies are two groups, and are respectively arranged on two sides of the pantograph base region, and the dropper is imaged from the left side and the right side respectively.
Optionally, the light source assemblies are two groups, correspond to the imaging assemblies, and are respectively used for light supplement on the left side and the right side of the dropper.
Optionally, the installation positions of the imaging assembly and the light source assembly are within the vehicle limit requirement and the insulation safety distance of the high-voltage electrical apparatus.
The utility model provides a high definition formation of image of dropper dynamic form can be realized to the check out test set of contact net dropper dynamic form to show the dropper state, whole process can be accomplished along with the vehicle operation, and collection efficiency is high, grasps the form of dropper under dynamic load comprehensively, can provide effectual information support for the prediction of dropper state.
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Fig. 1 schematically shows an application scenario in which embodiments of the present invention may be implemented.
Fig. 2 is the utility model discloses a detection equipment structure schematic diagram of contact net dropper dynamic form of an embodiment.
Fig. 3 is a schematic structural diagram of an apparatus control assembly according to an embodiment of the present invention.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It should be understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and thereby implement the present invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
According to the utility model discloses an embodiment provides a detection equipment of contact net dropper dynamic form.
The principles and spirit of the present invention are explained in detail below with reference to a number of representative embodiments of the invention.
Reference is first made to fig. 1, which shows an application scenario in which embodiments of the present invention may be implemented. As shown in fig. 1, the catenary is composed of a catenary 101, a contact line 102, a dropper 103, and a strut, which is not shown in the figure.
A pantograph 105 and an imaging and light source assembly 106 are provided on the top of the electric locomotive 104. The electric locomotive 104 may be a motor train unit, an electric locomotive, a comprehensive detection train, or a catenary detection train.
The utility model provides a detection apparatus of contact net dropper dynamic form comprises formation of image and light source subassembly 106, equipment control subassembly 107 and display device 108.
The overhead line system is a high-voltage transmission line which is erected along a zigzag shape above a steel rail in an electrified railway and is used for a pantograph to draw current. The overhead line system is a main frame of the railway electrification engineering, and is a special power transmission line which is erected over a railway line and supplies power to the electric locomotive 104.
The carrier cable 101 can be divided into a copper carrier cable, a steel carrier cable and an aluminum-clad steel carrier cable according to the material, and is an important conductor for playing double roles of power transmission and contact line suspension. The requirements for the messenger are that the material is soft, can withstand large tension, and has little change in sag when the temperature changes.
The contact wire 102 is a contact network wire of the electrified railway, and has the structural characteristics of adopting copper, copper-silver alloy, high-strength copper-silver alloy, copper-tin alloy, copper-magnesium alloy, high-strength copper-magnesium alloy and the like, thereby meeting the requirements of the contact network of the electrified railway. The contact wire 102 directly delivers current to the electric locomotive 104 through sliding friction with the pantograph 105 of the electric locomotive 104, and the performance of the contact wire directly affects the current collection quality and the operation safety of the electric locomotive 104.
The dropper 103 is positioned between the carrier cable 101 and the contact line 102, connects the carrier cable 101 and the contact line 102, stabilizes the mechanical structure of the contact net, and ensures the uniform elasticity of the contact net. When the electric locomotive 104 runs at a high speed, the pressure of the pantograph 105 is increased, the dropper 103 bends after the contact line 102 is lifted, and meanwhile, after the pantograph 105 passes through, the contact line is in an oscillation state, the dropper 103 bends repeatedly, and the mechanical performance of the dropper is influenced. With the increase of the number of the electric locomotives 104 in operation and the increase of the operation speed, the suspension strings 103 may be broken due to mechanical fatigue, and the broken suspension strings 103 are easy to cause pantograph failure, thereby affecting the operation quality of the electric locomotives 104.
Utilize the utility model provides a detection equipment of contact net dropper dynamic form through formation of image and light source subassembly 106, equipment control subassembly 107, display device 108, can detect the operating condition of dropper 103, further can provide the information support for the analysis prediction dropper state.
The following describes, with reference to fig. 2, a detection apparatus for detecting a dynamic form of a catenary dropper according to an exemplary embodiment of the present invention in conjunction with an application scenario of fig. 1.
As shown in fig. 2, the apparatus includes: an imaging assembly 106-1, a light source assembly 106-2, an equipment control assembly 107, a display device 108; wherein,
the imaging assembly 106-1 and the light source assembly 106-2 are arranged at the base area of the pantograph 105 at the top of the vehicle;
the imaging assembly 106-1 is used for detecting the dynamic form of the dropper 103 at the contact point of the contact line 102 and the pantograph 105 and acquiring the image data of the dynamic form of the dropper;
the light source assembly 106-2 is used for imaging and supplementing light to the position of the dropper 103;
the device control component 107 is connected to the imaging component 106-1 and the light source component 106-2, and is used for controlling the synchronism of the shutter trigger of the imaging component 106-1 and the light source switch of the light source component 106-2;
the display device 108 is connected to the imaging assembly 106-1 and is used for displaying image data of the dynamic form of the dropper.
In one embodiment, the display device 108 may be disposed in the electric locomotive 104 or at a location outside the vehicle, such as a station, a vehicle dispatching room, an operation and maintenance center, etc.; if the system is arranged on the electric locomotive 104, the image data can be acquired through network cables, short-distance wireless transmission and the like, and uploaded to an operation and maintenance center for operation and maintenance personnel to check. If the display device 108 is arranged at a place outside the vehicle, image data can be acquired through communication connection and displayed for operation and maintenance personnel to check, and the contact network can be maintained in time.
In a specific embodiment, the imaging component 106-1 may be a linear CCD/CMOS camera or an area CCD/CMOS camera, and is used for performing high-definition imaging on the dynamic form of the dropper at a position above the contact point of the pantograph 105 and the contact line 102, and acquiring the image data of the dropper 103. The area array CCD/CMOS camera can realize pixel matrix shooting, and the details of the expressed image are determined by the resolution; although the image captured by the line CCD/CMOS camera is a two-dimensional image, it is extremely long (several pixels in width and several K in length), and thus it is possible to capture an object in motion and continuously scan the object. Specifically selecting which type of camera can be determined according to information such as vehicle running speed, height of contact line structure and the like; in addition, the optical lens type may be determined based on information such as the installation distance and the imaging range.
The light source assembly 106-2 is an LED lamp or a xenon lamp, and is configured to perform imaging light supplement on the dropper 103 at a position above a contact point between the pantograph 105 and the contact line 102, and may perform imaging light supplement on the dropper 103 in a normally bright or stroboscopic mode according to a light source type.
As shown in connection with fig. 3, the device control assembly 107 includes: a power module 107-1, a signal processing module 107-2 and a control module 107-3; wherein,
the power module 107-1 is connected with the signal processing module 107-2 and the control module 107-3 and is used for providing power;
the signal processing module 107-2 is connected with the control module 107-3 and is used for receiving a detection signal, processing the detection signal and generating a control instruction; the detection signal can be automatically generated by setting a clock, or can be remotely and manually initiated by operation and maintenance personnel.
The control module 107-3 is configured to trigger the shutter of the imaging assembly 106-1 and the light source of the light source assembly 106-2 to open and close according to the control instruction, and maintain synchronization between the triggering of the shutter of the imaging assembly 106-1 and the opening and closing of the light source assembly 106-2.
In one embodiment, in conjunction with the exemplary scenario shown in FIG. 1, the imaging assemblies 106-1 may be provided in two groups, one on each side of the base area of the pantograph 105, and the dropper 103 is imaged from each of the left and right sides;
corresponding to the imaging assembly 106-1, there are two sets of light source assemblies 106-2, which respectively supplement light at the left and right sides of the dropper 103.
The imaging assembly 106-1 and the light source assembly 106-2 are mounted within the vehicle clearance requirements and the insulation safety distance of the high voltage electrical apparatus.
The specific process is as follows: firstly, analyzing the arrangement conditions of roof equipment and high-voltage equipment of the electric locomotive 104, drawing a roof pantograph and the high-voltage equipment on three-dimensional software, and measuring the distance between each position of the imaging assembly 106-1 and the light source assembly 106-2 and the high-voltage live equipment; measuring whether the imaging assembly 106-1 and the light source assembly 106-2 meet the limit requirement after being installed; and finally, determining the installation position and defining the installed mechanical interface. According to the installation position of a roof pantograph 105, under the conditions of guaranteeing a high-voltage electrical safety insulation distance and guaranteeing the requirement of a vehicle limit, an imaging assembly 106-1 (namely a camera) focuses contact lines 102 from two sides and a contact area of the pantograph 105 to shoot a dynamic state of a dropper; according to different installation distances, technical parameters of the high-definition imaging device can be designed and selected.
In order to explain the above-mentioned detection device for detecting the dynamic form of the catenary dropper more clearly, a specific embodiment is described below, however, it should be noted that this embodiment is only for better explaining the present invention, and should not be construed as an undue limitation to the present invention.
Taking a certain high-speed rail line as an example, a detection vehicle runs on the line, a pantograph is in contact with a contact line, the contact line is lifted to bend a dropper, the contact net dropper is imaged through an imaging component, a display device presents image data of the dynamic state of the dropper to operation and maintenance personnel for checking, and the operation and maintenance personnel can maintain the contact net according to actual conditions.
In addition, the display device can perform image recognition according to the image data of the dynamic state of the dropper, preliminarily classify the dropper in the image data into a normal state or an abnormal state, and determine the state of the dropper.
The utility model provides a high definition formation of image of dropper dynamic form can be realized to the check out test set of contact net dropper dynamic form to show the dropper state, whole process can be accomplished along with the vehicle operation, and collection efficiency is high, grasps the form of dropper under dynamic load comprehensively, can provide effectual information support for the prediction of dropper state.
While the spirit and principles of the invention have been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, nor is the division of aspects, which is for convenience only as the features in such aspects may not be combined to benefit. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (10)

1. The utility model provides a detection equipment of contact net dropper dynamic form which characterized in that, the device includes: the device comprises an imaging assembly, a light source assembly, an equipment control assembly and a display device; wherein,
the imaging assembly and the light source assembly are arranged in a pantograph base area at the top of the vehicle;
the imaging assembly is used for detecting the dynamic form of a dropper of a contact line and a pantograph contact point and acquiring image data of the dynamic form of the dropper;
the light source assembly is used for imaging and supplementing light to the position where the dropper is located;
the equipment control assembly is connected with the imaging assembly and the light source assembly and is used for controlling the synchronism of the shutter trigger of the imaging assembly and the opening and closing of the light source assembly;
and the display device is connected with the imaging assembly and is used for displaying the image data of the dynamic state of the dropper.
2. The apparatus for detecting the dynamic form of a catenary dropper of claim 1, wherein the imaging component is a linear array CCD/CMOS camera, and is configured to image the dynamic form of the dropper at a position above a contact point of the pantograph and the contact line, and to acquire image data of the dropper.
3. The apparatus for detecting the dynamic form of a catenary dropper of claim 1, wherein the imaging component is an area array CCD/CMOS camera, and is configured to image the dynamic form of the dropper at a position above a contact point of the pantograph and the contact line, and to acquire image data of the dropper.
4. The apparatus for detecting the dynamic form of a catenary dropper of claim 1, wherein the light source assembly is an LED lamp, and is configured to perform imaging light supplement on the dropper at a position above a contact point between the pantograph and the contact line.
5. The apparatus for detecting the dynamic form of a catenary dropper of claim 1, wherein the light source assembly is a xenon lamp, and is configured to perform imaging light supplement on the dropper at a position above a contact point between the pantograph and the contact line.
6. The apparatus for detecting the dynamic form of a catenary dropper of claim 4 or claim 5, wherein the light source assembly is used for imaging and supplementing light to the dropper in a normal or stroboscopic mode.
7. The apparatus for detecting the dynamic state of a catenary dropper of claim 1, wherein the apparatus control module comprises: the device comprises a power supply module, a signal processing module and a control module; wherein,
the power supply module is connected with the signal processing module and the control module and used for providing power;
the signal processing module is connected with the control module and used for receiving a detection signal and generating a control instruction according to the detection signal;
and the control module is used for triggering the shutter of the imaging assembly and the light source of the light source assembly to be opened and closed according to the control instruction, and keeping the synchronism of the shutter triggering of the imaging assembly and the light source opening and closing of the light source assembly.
8. The apparatus for detecting the dynamic state of a catenary dropper of claim 1, wherein the imaging assemblies are two groups, and are respectively disposed on two sides of the base area of the pantograph, and the dropper is respectively imaged from the left side and the right side.
9. The apparatus of claim 8, wherein the light source assemblies are two groups, and correspond to the imaging assemblies, and light is supplemented to the left and right sides of the dropper.
10. The apparatus for detecting the dynamic state of the catenary dropper of claim 9, wherein the imaging assemblies and the light source assemblies are mounted within a safety distance required by vehicle clearance and insulation of the high-voltage electrical apparatus.
CN201921459985.9U 2019-09-04 2019-09-04 Detection equipment for dynamic form of catenary dropper Active CN210486884U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110530337A (en) * 2019-09-04 2019-12-03 中国铁道科学研究院集团有限公司基础设施检测研究所 The detection device and method of Contact Net's Suspension Chord dynamic form
CN114485575A (en) * 2021-12-31 2022-05-13 中铁武汉电气化局集团有限公司 Contact net dropper high-definition imaging device and using method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110530337A (en) * 2019-09-04 2019-12-03 中国铁道科学研究院集团有限公司基础设施检测研究所 The detection device and method of Contact Net's Suspension Chord dynamic form
CN114485575A (en) * 2021-12-31 2022-05-13 中铁武汉电气化局集团有限公司 Contact net dropper high-definition imaging device and using method thereof

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