CN214121463U - Device for measuring contact force of pantograph by using optical fiber interference method - Google Patents
Device for measuring contact force of pantograph by using optical fiber interference method Download PDFInfo
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- CN214121463U CN214121463U CN202023300458.9U CN202023300458U CN214121463U CN 214121463 U CN214121463 U CN 214121463U CN 202023300458 U CN202023300458 U CN 202023300458U CN 214121463 U CN214121463 U CN 214121463U
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- fixed
- optical fiber
- casing
- pantograph
- contact force
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Abstract
The utility model relates to an utilize device of optical fiber interferometry measurement pantograph contact force, including slide and last frame, be fixed with measuring device between slide and the last frame, measuring device includes the upper flange, be fixed with the casing on the upper flange, the lower extreme of casing is equipped with the lower flange, be fixed with two springs between casing and the lower flange, casing inside is fixed with the outer sleeve and the inner skleeve that cup joint each other, be fixed with the speculum on the inside upper surface of casing, the inside upper end department of being close to of inner skleeve is fixed with the collimater towards the speculum, is connected with optic fibre on the collimater, the optic fibre other end is connected with the coupler.
Description
Technical Field
The utility model relates to a pantograph measures technical field, especially relates to an utilize device of optical fiber interferometry measurement pantograph contact force.
Background
The electric traction locomotive obtains electric energy from a contact net and is installed on the roof of the locomotive or the bullet train. The pantograph can be divided into a single-arm pantograph and a double-arm pantograph, and is composed of a sliding plate, an upper frame, a lower arm rod (a lower frame for the double-arm pantograph), a bottom frame, a pantograph lifting spring, a transmission cylinder, a supporting insulator and the like. The smoothness of the load current through the contact line and the contact surface of the pantograph slider, which is related to the contact pressure, the transition resistance and the contact area between the slider and the contact line, depends on the interaction between the pantograph and the contact line. At present, the contact force is measured by a common sensor, but the contact force measured by the common sensor is inaccurate due to the influence of high voltage on an upper sliding plate of a pantograph.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide an utilize optic fibre interference method to measure the device of pantograph contact force.
The utility model discloses a realize through following technical scheme:
the utility model provides an utilize optic fibre interference method to measure device of pantograph contact force, includes slide and last frame, be fixed with measuring device between slide and the last frame, measuring device includes the upper flange, be fixed with the casing on the upper flange, the lower extreme of casing is equipped with the lower flange, be fixed with two springs between casing and the lower flange, casing inside is fixed with outer sleeve and the inner skleeve that cup joints each other, be fixed with the speculum on the inside upper surface of casing, the inside collimater that is close to upper end department of inner skleeve is fixed with the collimater towards the speculum, is connected with optic fibre on the collimater, the optic fibre other end is connected with the coupler.
Furthermore, the coupler is divided into four paths, wherein one path of optical fiber is connected with the optical fiber on the collimator, one path of optical fiber is connected with the laser, one path of optical fiber is connected with the signal processor, and the other path of optical fiber is connected with the mirror reflection surface.
Furthermore, a sealing gasket covering the spring is fixed between the shell and the lower flange.
The utility model has the advantages that:
when using like this, the coupler is placed inside the car, the slide can produce decurrent power at the in-process of advancing, make upper flange drive casing downstream make the spring take place to deform like this, wherein inner skleeve and outer sleeve can only reciprocate when making to take place to deform, on the speculum was hit with optic fibre to the light that produces by the coupler like this, the reflected light was hit again in the coupler by optic fibre, the signal processor who is connected with the coupler handles alright assay at the contact force of in-process pantograph of advancing, it is more accurate to detect through the light signal like this, can not receive the influence of external factors such as high tension electricity on every side.
Drawings
Fig. 1 is a schematic front view of the measuring device of the present invention;
fig. 2 is a schematic view of the structure of the present invention in a state of installing the measuring device;
fig. 3 is a schematic structural diagram of the coupler according to the present invention;
in the figure: 1. a slide plate; 2. an upper frame; 3. an upper flange; 4. a housing; 5. a lower flange; 6. a spring; 7. an outer sleeve; 8. an inner sleeve; 9. a mirror; 10. a collimator; 11. a coupler; 12. a laser; 13. a signal processor; 14. a mirror reflection surface; 15. and a gasket.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the utility model discloses a slide 1 and upper frame 2, be fixed with measuring device between slide 1 and the upper frame 2, measuring device includes upper flange 3, be fixed with casing 4 on the upper flange 3, the lower extreme of casing 4 is equipped with lower flange 5, be fixed with two springs 6 between casing 4 and the lower flange 5, casing 4 inside is fixed with outer sleeve 7 and the inner skleeve 8 that cup joints each other, be fixed with speculum 9 on the inside upper surface of casing 4, the inside collimater 10 that is fixed with towards speculum 9 that is close to upper end department of inner skleeve 8 is connected with optic fibre on the collimater 10, the optic fibre other end is connected with coupler 11. Therefore, when the pantograph contact force detection device is used, the coupler 11 is placed in a vehicle, the sliding plate 1 can generate a downward force in the advancing process, the upper flange 3 drives the shell 4 to move downwards to deform the spring 6, the inner sleeve 8 and the outer sleeve 7 can enable deformation to be carried out only by moving up and down, light generated by the coupler 11 is hit on the reflector 9 through the collimator 10 and the optical fibers, the reflected light is hit into the coupler 11 again through the optical fibers, and the contact force of the pantograph in the advancing process can be analyzed through processing of the signal processor 13 connected with the coupler 11, so that detection through optical signals is more accurate, and the pantograph contact force detection device cannot be influenced by external factors such as surrounding high-voltage electricity.
The coupler 11 is divided into four paths, wherein one path of optical fiber is connected with the optical fiber on the collimator 10, one path of optical fiber is connected with the laser 12, one path of optical fiber is connected with the signal processor 13, and one path of optical fiber is connected with the mirror reflection surface 14. The laser beam generated by the laser 12 enters the collimator 10 via the optical fiber connected to the coupler 11 and is reflected by the mirror 9, and the reflected light enters the signal processor 13 connected to the coupler 11 and is subjected to signal processing, thereby completing the analysis of the pantograph contact force.
Further, a gasket 15 covering the spring 6 is fixed between the housing 4 and the lower flange 5. This protects the spring 6 from corrosion.
The utility model has the advantages that:
therefore, when the pantograph contact force detection device is used, the coupler 11 is placed in a vehicle, the sliding plate 1 can generate a downward force in the advancing process, the upper flange 3 drives the shell 4 to move downwards to deform the spring 6, the inner sleeve 8 and the outer sleeve 7 can enable deformation to be carried out only by moving up and down, light generated by the coupler 11 is hit on the reflector 9 through the collimator 10 and the optical fibers, the reflected light is hit into the coupler 11 again through the optical fibers, and the contact force of the pantograph in the advancing process can be analyzed through processing of the signal processor 13 connected with the coupler 11, so that detection through optical signals is more accurate, and the pantograph contact force detection device cannot be influenced by external factors such as surrounding high-voltage electricity.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides an utilize device of optic fibre interferometry pantograph contact force, includes slide and last frame, its characterized in that: be fixed with measuring device between slide and the upper frame, measuring device includes the upper flange, be fixed with the casing on the upper flange, the lower extreme of casing is equipped with the lower flange, be fixed with two springs between casing and the lower flange, casing inside is fixed with outer sleeve and inner skleeve that cup joint each other, be fixed with the speculum on the inside upper surface of casing, the inside collimater that is close to upper end department of inner skleeve is fixed with towards the speculum, is connected with optic fibre on the collimater, the optic fibre other end is connected with the coupler.
2. The device for measuring contact force of a pantograph by means of optical fiber interferometry according to claim 1, wherein: the coupler is divided into four paths, wherein one path of optical fiber is connected with the optical fiber on the collimator, one path of optical fiber is connected with the laser, one path of optical fiber is connected with the signal processor, and the other path of optical fiber is connected with the mirror reflection surface.
3. The device for measuring contact force of a pantograph by means of optical fiber interferometry according to claim 1, wherein: and a sealing gasket for covering the spring is fixed between the shell and the lower flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300458.9U CN214121463U (en) | 2020-12-30 | 2020-12-30 | Device for measuring contact force of pantograph by using optical fiber interference method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023300458.9U CN214121463U (en) | 2020-12-30 | 2020-12-30 | Device for measuring contact force of pantograph by using optical fiber interference method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214121463U true CN214121463U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023300458.9U Active CN214121463U (en) | 2020-12-30 | 2020-12-30 | Device for measuring contact force of pantograph by using optical fiber interference method |
Country Status (1)
| Country | Link |
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| CN (1) | CN214121463U (en) |
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2020
- 2020-12-30 CN CN202023300458.9U patent/CN214121463U/en active Active
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