CN221303454U - Bow net current-carrying test system with ejection capability - Google Patents
Bow net current-carrying test system with ejection capability Download PDFInfo
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Abstract
The utility model discloses an arch net current-collecting test system with ejection capability, belonging to the field of rail traffic; considering that the bow net characteristic of the train in high-speed running is better than that of the bow net in an actual scene, and combining with the fact that the shorter the distance from the train to the target speed is, the space occupation of the track can be saved, so that the driving force can be applied to the train frame through the ejection device when the train frame is stationary, the train frame can instantly obtain an initial speed, meanwhile, the train frame can run at the target speed under the driving of the motion control device, the time from the train frame to the target speed can be shortened due to the higher initial speed, the running distance of the train before the train is accelerated to the target speed is reduced, the space occupation of the track is reduced, and the cost is saved on the basis of ensuring the test precision.
Description
Technical Field
The utility model relates to the field of rail transit, in particular to an arch net current-carrying test system with ejection capability.
Background
The pantograph of the high-speed train is connected with the contact net so as to take electricity from the contact net, and power supply of the high-speed train is realized. The actual running process of the train has higher running speed (for example, 300 km/h), when the bow net test is carried out in the related technology, the high-speed characteristic and the test floor area of the train are difficult to balance, only one of the characteristics is often considered, namely, the related bow net current-carrying test system with ejection capability is difficult to simulate the high-speed characteristic of the train under the condition of small track floor area, so that the test cost is increased and the test effect is influenced.
Therefore, how to provide a solution to the above technical problem is a problem that a person skilled in the art needs to solve at present.
Disclosure of utility model
The utility model aims to provide the bow net current-carrying test system with the ejection capability, which can apply driving force to the train frame through the ejection device when the train frame is stationary so as to instantly obtain an initial speed, and simultaneously, the train frame is driven by the motion control device to drive at a target speed, and the higher initial speed can reduce the time for accelerating the train frame to the target speed, so that the driving distance of the train before accelerating to the target speed is reduced, the space occupied by a track is reduced, and the cost is saved on the basis of ensuring the test precision.
In order to solve the technical problems, the utility model provides an arch net current-receiving test system with ejection capability, which comprises:
The simulated catenary is used for providing a contact wire with a preset length and current with a specified specification;
The train frame is provided with a pantograph and is used for synchronously moving with the pantograph in the running process so that a sliding plate of the pantograph and the contact wire carry out sliding friction and form electric connection;
The ejection device is connected with the train frame and is used for applying driving force to the train frame when the train frame is stationary so that the train frame has initial speed and starts running when receiving the driving force;
and the motion control device is connected with the train frame and is used for driving the train frame in the running process of the train frame so that the train frame runs at a target speed.
Preferably, the simulated catenary comprises:
A contact wire of a preset length;
The first preset number of brackets are used for supporting the contact wires at different positions so that the contact wires have a second preset number of contact net spans;
A current generating device connected with the contact wire and used for generating a current with a specified specification on the contact wire;
The second preset number is smaller than the first preset number by 1, and the span of the contact net represents the span between two adjacent brackets in the real contact net.
Preferably, the train frame comprises:
The train frame body is used for synchronously moving with the pantograph in the running process so that a sliding plate of the pantograph and the contact wire carry out sliding friction and form electric connection;
The pantograph is connected with the train frame body.
Preferably, the motion control means comprises a drive motor.
Preferably, the bow net current-collecting test system with ejection capability further comprises:
And the pantograph net current-receiving sensing module is connected with the pantograph and is used for collecting at least one of specified electrical parameters, temperature data and image data of the pantograph so as to analyze the current-receiving performance of the sliding plate based on the collected data.
Preferably, the bow net current-collecting test system with ejection capability further comprises:
And the dynamics sensor is respectively connected with the contact wire and the pantograph and is used for collecting the dynamics sensing parameters of the designated types of the contact wire and the pantograph so as to perform the dynamic analysis of the pantograph network based on the dynamics sensing parameters.
Preferably, the bow net current-collecting test system with ejection capability further comprises:
And the storage module is respectively connected with the bow net current-receiving sensing module and the dynamics sensor and is used for storing sensing data generated by the bow net current-receiving sensing module and the dynamics sensor.
Preferably, the ejection device includes:
The first electromagnetic ejection device is arranged at the running starting point of the train frame and connected with the train frame and is used for applying driving force to the train frame when the train frame is electrified so that the train frame has initial speed and starts running when receiving the driving force.
Preferably, the bow net current-collecting test system with ejection capability further comprises:
and the auxiliary speed reducing device is connected with the train frame and is used for providing resistance for the train frame so as to accelerate the train frame to stop running.
Preferably, the auxiliary speed reducing device includes:
The second electromagnetic ejection device is arranged at the running end point of the train frame and connected with the train frame and is used for applying resistance to the train frame when the power is on so that the train frame descends and stops under the action of the resistance.
The utility model provides a bow net current-receiving test system with ejection capability, which considers the bow net characteristics of a train in high-speed running as compared with the bow net characteristics in a practical scene, and also combines with the consideration that the shorter the distance between the train and the target speed is, the more space occupation of a track can be saved, so that the train frame can be applied with driving force when the train frame is stationary through an ejection device, the initial speed can be obtained instantly, and simultaneously the train frame can run at the target speed under the driving of a motion control device, and the higher initial speed can reduce the time of the train frame to accelerate to the target speed, so that the running distance of the train before the train is accelerated to the target speed is reduced, the space occupation of the track is reduced, and the cost is saved on the basis of ensuring the test precision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the related art and the drawings required to be used in the embodiments, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a bow net flow test system with ejection capability according to the present utility model;
Fig. 2 is a schematic structural diagram of another bow net current-carrying test system with ejection capability according to the present utility model.
Detailed Description
The utility model provides a bow net current-receiving test system with ejection capability, which can apply driving force to a train frame through an ejection device when the train frame is stationary so as to instantly obtain an initial speed, and simultaneously, the train frame is driven by a motion control device to run at a target speed, and the higher initial speed can reduce the time for accelerating the train frame to the target speed, so that the running distance of the train before accelerating to the target speed is reduced, the space occupied by a track is reduced, and the cost is saved on the basis of ensuring the test precision.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an arch net current-collecting test system with ejection capability according to the present utility model, where the arch net current-collecting test system with ejection capability includes:
the simulated contact net 1 is used for providing a contact wire with a preset length and current with a specified specification;
The train frame 2 is provided with a pantograph and is used for synchronously moving with the pantograph in the running process so that a sliding plate of the pantograph and a contact wire are in sliding friction and form electric connection;
An ejector 3 connected to the train frame 2 for applying a driving force to the train frame 2 when the train frame 2 is stationary so that the train frame 2 has an initial speed and starts traveling while receiving the driving force;
And a motion control device 4 connected to the train frame 2 for driving the train frame 2 so that the train frame 2 travels at a target speed during traveling of the train frame 2.
Specifically, considering the technical problems in the background art, in combination with considering that the characteristics of the bow net of the train run at high speed are better than those of the bow net in the actual scene, and the speed of the train is lower when the train is accelerated, the time for accelerating the train to an ideal speed can be shortened as much as possible, so that the space and time occupied by the train in the accelerating process can be shortened, the cost is reduced, and the efficiency is improved.
Specifically, considering that current erosion is a main factor affecting the current-receiving effect of the bow net, in the embodiment of the utility model, the contact wire with the preset length and the current with the specified specification can be provided by simulating the contact net 1, so that the contact wire can transmit the current to the slide plate electrically connected with the contact wire, thereby more accurately simulating the characteristics of the bow net in a real scene.
The preset length and the specified specification can be set independently, and the preset length can be longer, so that the train frame 2 can have enough acceleration distance to reach the target speed, and the embodiment of the utility model is not limited herein.
The pantograph may include a real pantograph prototype and a pantograph console, and the pantograph console may control the pantograph prototype to implement actions such as lifting/lowering, which are not limited herein.
The utility model provides a bow net current-receiving test system with ejection capability, which considers the bow net characteristics of a train in high-speed running as compared with the bow net characteristics in a practical scene, and also combines with the consideration that the shorter the distance between the train and the target speed is, the more space occupation of a track can be saved, so that the train frame can be applied with driving force when the train frame is stationary through an ejection device, the initial speed can be obtained instantly, and simultaneously the train frame can run at the target speed under the driving of a motion control device, and the higher initial speed can reduce the time of the train frame to accelerate to the target speed, so that the running distance of the train before the train is accelerated to the target speed is reduced, the space occupation of the track is reduced, and the cost is saved on the basis of ensuring the test precision.
Specifically, for better explaining the embodiments of the present utility model, please refer to fig. 2, fig. 2 is a schematic structural diagram of another bow net current-receiving test system with ejection capability provided by the present utility model, based on the above embodiments:
as a preferred embodiment, the simulated catenary 1 comprises:
A contact wire of a preset length;
The first preset number of brackets are used for supporting the contact wires at different positions so that the contact wires have a second preset number of contact net spans;
a current generating device connected to the contact wire for generating a current of a specified specification on the contact wire;
The second preset number is smaller than the first preset number by 1, and the span of the contact net represents the span between two adjacent brackets in the real contact net.
Specifically, in order to better simulate a real contact net, in the embodiment of the utility model, the contact wires can be supported at different positions through the first preset number of brackets, so that the contact wires have a second preset number of contact net spans, for example, six-span contact wires can be formed through the support of 7 brackets, and the contact wires of each span can form a natural sagging posture between two adjacent brackets, so that in the sliding friction process of a pantograph sliding plate, the contact wires at different positions can generate different contact forces with the sliding plate, and the characteristics of the contact forces of the pantograph and the contact net can be simulated more truly, thereby being beneficial to further improving the precision of a pantograph net test.
The first preset number and the second preset number are not limited herein, and the first preset number should be at least greater than 1, which is not limited herein.
The current generating device may include a high current unit (a high current portion) and a protection control cabinet (a low current control portion).
As a preferred embodiment, the train frame 2 includes:
The train frame body is used for synchronously moving with the pantograph in the running process so that a sliding plate of the pantograph and a contact wire carry out sliding friction and form electric connection;
and the pantograph is connected with the train frame body.
Specifically, the combination of the train frame body and the pantograph has the advantages of simple structure, easy maintenance and the like.
Of course, the train frame 2 may be of various types other than this specific configuration, and the embodiment of the present utility model is not limited herein.
As a preferred embodiment, the motion control means 4 comprise a drive motor.
Specifically, the driving motor has the advantages of high maturity, low failure rate and the like, and can be used for driving and braking control.
Of course, the motion control device 4 may be of other specific types besides a driving motor, and the embodiment of the present utility model is not limited herein.
As a preferred embodiment, the bow net current test system with catapulting capability further comprises:
And the pantograph net current sensing module is connected with the pantograph and is used for collecting at least one of appointed electrical parameters, temperature data and image data of the pantograph so as to analyze the current sensing performance of the sliding plate based on the collected data.
Specifically, considering that the current-collecting characteristic of the sliding plate has important significance in analysis of the bow net relationship, the embodiment of the utility model can comprise two parts of a bow net current-collecting sensing module, and the bow net current-collecting sensing module can be used for collecting at least one of specified electrical parameters, temperature data and image data of the pantograph so as to analyze the current-collecting performance of the sliding plate based on the collected data, thereby realizing analysis of the important characteristic in the bow gateway system.
As an alternative embodiment, the bowden current sensing module comprises:
the current sensor is respectively connected with the pantograph and the control device and is used for acquiring a current value on the pantograph;
The voltage sensor is respectively connected with the pantograph and the control device and is used for acquiring a voltage value on the pantograph;
The image sensor is respectively connected with the pantograph and the control device and is used for acquiring images of the pantograph;
And the temperature sensors are respectively connected with the pantograph and the control device and are used for acquiring the temperature of the pantograph.
Specifically, considering that the current receiving characteristic and performance of the pantograph pan can be comprehensively analyzed through the voltage value, the current value, the image of the pantograph and the temperature of the pantograph, the current sensor, the voltage sensor, the image sensor and the temperature sensor can be used for completing the acquisition of the sensing data.
Of course, in addition to the above sensor types and data types, the bow net current sensing module may also include other types of sensors and corresponding acquired data, which are not limited herein.
As a preferred embodiment, the bow net current test system with catapulting capability further comprises:
And the dynamic sensor is respectively connected with the contact wire and the pantograph and is used for collecting the dynamic sensing parameters of the designated types of the contact wire and the pantograph so as to perform the dynamic analysis of the pantograph mesh based on the dynamic sensing parameters.
In particular, considering that the dynamic parameters of the bow net are of great significance in the analysis of the relationship of the bow net, the embodiment of the utility model can comprise a dynamic sensor which can be used for collecting the dynamic sensing parameters of the specified type of the contact wire 1 and the pantograph so as to perform the dynamic analysis of the bow net based on the dynamic sensing parameters.
As an alternative embodiment, the kinetic sensor comprises:
The pressure sensors are respectively connected with the sliding plate and the control device and are used for detecting the contact pressure of the simulated contact net 1 and the pantograph;
The displacement sensor is respectively connected with the simulated contact net 1 and the control device and is used for detecting the lifting amount of the positioning point of the contact wire 1 and the maximum vertical displacement range of the contact point;
acceleration sensors respectively connected with the simulated catenary 1 and the control device are used for detecting the vibration acceleration of the simulated catenary 1;
And the timer is connected with the control device and used for timing under the control of the control device so as to determine the off-line time of the pantograph and the contact wire 1 by combining the contact pressure and the timer.
Specifically, the simulation contact net 1 and the contact bow contact pressure, the positioning point lifting amount of the contact lead 1, the maximum vertical displacement range of the contact point, the simulation vibration acceleration of the contact net 1 and the off-line time of the contact bow and the contact lead 1 belong to important dynamic parameters in a bow net system, so that the acquisition and statistics of the dynamic parameters can be carried out through the sensor expansion in the embodiment of the utility model, and the bow net dynamics analysis can be better carried out.
Of course, besides the above sensor types and corresponding dynamic parameters, the sensors may be of other types, and the dynamic parameters may also include other specific parameters, which are not limited herein.
As a preferred embodiment, the bow net current test system with catapulting capability further comprises:
and the storage module is respectively connected with the bow net current sensing module and the dynamics sensor and is used for storing sensing data generated by the bow net current sensing module and the dynamics sensor.
In particular, in order to better manage the data, a storage module for storing dynamic sensing parameters, specified electrical parameters, temperature data and image data is further provided in the embodiment of the utility model.
The storage module may be of various types, such as a flash memory or a hard disk, and the embodiment of the utility model is not limited herein.
As an alternative embodiment, further comprising:
And the processing module is connected with the storage module and used for carrying out bow net current analysis according to the dynamic sensing parameters, the appointed electrical parameters, the temperature data and the image data.
Specifically, in order to better perform the arch network current analysis through data processing, the embodiment of the utility model is also provided with a processing module connected with the storage module, which is used for performing the arch network current analysis according to the dynamic sensing parameters, the appointed electrical parameters, the temperature data and the image data, and the special processing module can improve the calculation stability and the calculation speed.
The processing module may be of various types, for example, may be a single chip microcomputer, etc., and the embodiment of the present utility model is not limited herein.
As a preferred embodiment, the ejection device 3 comprises:
A first electromagnetic ejection device provided at the travel start point of the train frame 2 and connected to the train frame 2, for applying a driving force to the train frame 2 when energized, so that the train frame 2 receives the driving force and has an initial speed to start traveling.
In particular, the electromagnetic ejection device has the advantages of large driving force, small volume, strong stability and the like.
Of course, the ejector 3 may be of various types other than electromagnetic ejectors, and the embodiment of the present utility model is not limited herein.
As a preferred embodiment, the bow net current test system with catapulting capability further comprises:
an auxiliary speed reducing device connected with the train frame 2 is used for providing resistance for the train frame 2 so as to accelerate the train frame 2 to stop running.
In particular, considering that the speed of the train frame 2 is lower than the target speed in the deceleration process, the research value of the bow net characteristic in the retrieval process is not great, so in order to shorten the deceleration time of the train frame 2, an auxiliary deceleration device connected with the train frame 2 can be arranged in the embodiment of the utility model and used for providing resistance for the train frame 2 so as to accelerate the train frame 2 to stop running, thereby further reducing the control occupation and improving the efficiency.
As a preferred embodiment, the auxiliary reduction gear includes:
And a second electromagnetic ejection device which is arranged at the running end point of the train frame 2 and is connected with the train frame 2 and is used for applying resistance to the train frame 2 when the power is electrified so that the train frame 2 descends and stops under the action of the resistance.
In particular, the electromagnetic ejection device has the advantages of large driving force, small volume, strong stability and the like.
Of course, besides the electromagnetic ejection device, the auxiliary speed reducing device can be of various other types, and the embodiment of the utility model is not limited herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An arch net current-carrying test system with ejection capability, comprising:
The simulated catenary is used for providing a contact wire with a preset length and current with a specified specification;
The train frame is provided with a pantograph and is used for synchronously moving with the pantograph in the running process so that a sliding plate of the pantograph and the contact wire carry out sliding friction and form electric connection;
The ejection device is connected with the train frame and is used for applying driving force to the train frame when the train frame is stationary so that the train frame has initial speed and starts running when receiving the driving force;
and the motion control device is connected with the train frame and is used for driving the train frame in the running process of the train frame so that the train frame runs at a target speed.
2. The catapulting-enabled bow net current sensing test system of claim 1, wherein the simulated catenary comprises:
A contact wire of a preset length;
The first preset number of brackets are used for supporting the contact wires at different positions so that the contact wires have a second preset number of contact net spans;
A current generating device connected with the contact wire and used for generating a current with a specified specification on the contact wire;
The second preset number is smaller than the first preset number by 1, and the span of the contact net represents the span between two adjacent brackets in the real contact net.
3. The catapulting enabled bow net flow test system of claim 1, wherein the train frame comprises:
The train frame body is used for synchronously moving with the pantograph in the running process so that a sliding plate of the pantograph and the contact wire carry out sliding friction and form electric connection;
The pantograph is connected with the train frame body.
4. The catapult-grid current test system with catapulting capability of claim 1, wherein the motion control device comprises a drive motor.
5. The catapulting enabled bow net flow test system of claim 1, further comprising:
And the pantograph net current-receiving sensing module is connected with the pantograph and is used for collecting at least one of specified electrical parameters, temperature data and image data of the pantograph so as to analyze the current-receiving performance of the sliding plate based on the collected data.
6. The catapulting enabled bow net flow test system of claim 5, further comprising:
And the dynamics sensor is respectively connected with the contact wire and the pantograph and is used for collecting the dynamics sensing parameters of the designated types of the contact wire and the pantograph so as to perform the dynamic analysis of the pantograph network based on the dynamics sensing parameters.
7. The catapulting enabled bow net flow test system of claim 6, further comprising:
And the storage module is respectively connected with the bow net current-receiving sensing module and the dynamics sensor and is used for storing sensing data generated by the bow net current-receiving sensing module and the dynamics sensor.
8. The catapult-assisted current flow test system with catapulting capability according to any one of claims 1 to 7, wherein said catapulting device comprises:
The first electromagnetic ejection device is arranged at the running starting point of the train frame and connected with the train frame and is used for applying driving force to the train frame when the train frame is electrified so that the train frame has initial speed and starts running when receiving the driving force.
9. The catapulting enabled bow net flow test system of claim 8, further comprising:
and the auxiliary speed reducing device is connected with the train frame and is used for providing resistance for the train frame so as to accelerate the train frame to stop running.
10. The catapulting enabled bow net flow test system of claim 9, wherein the auxiliary speed reduction device comprises:
The second electromagnetic ejection device is arranged at the running end point of the train frame and connected with the train frame and is used for applying resistance to the train frame when the power is on so that the train frame descends and stops under the action of the resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323150104.4U CN221303454U (en) | 2023-11-22 | 2023-11-22 | Bow net current-carrying test system with ejection capability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323150104.4U CN221303454U (en) | 2023-11-22 | 2023-11-22 | Bow net current-carrying test system with ejection capability |
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| CN221303454U true CN221303454U (en) | 2024-07-09 |
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| CN202323150104.4U Active CN221303454U (en) | 2023-11-22 | 2023-11-22 | Bow net current-carrying test system with ejection capability |
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| CN (1) | CN221303454U (en) |
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- 2023-11-22 CN CN202323150104.4U patent/CN221303454U/en active Active
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