CN112947369A - Quick clamping formula EBV position signal perception collection system - Google Patents
Quick clamping formula EBV position signal perception collection system Download PDFInfo
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- CN112947369A CN112947369A CN202110145861.9A CN202110145861A CN112947369A CN 112947369 A CN112947369 A CN 112947369A CN 202110145861 A CN202110145861 A CN 202110145861A CN 112947369 A CN112947369 A CN 112947369A
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- angle sensor
- inclination angle
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention relates to a quick clamping type EBV position signal sensing and collecting device which comprises an information collecting box, a first quick-connection chuck and a second quick-connection chuck, wherein the first quick-connection chuck is detachably and fixedly connected to an EBV large brake operating lever and is provided with a first inclination angle sensor for detecting the position information of an EBV large brake; the second quick-connection chuck is detachably and fixedly connected to the EBV small brake control lever and is provided with a second inclination angle sensor for detecting the position information of the EBV small brake; and a third tilt angle sensor and a microcontroller are arranged in the information acquisition box. The invention does not acquire data through the original communication interface of the locomotive, does not damage the original line of the locomotive, is easy to be additionally installed and used, and can acquire the working state of the EBV into a detection system in real time; compared with the prior art, the invention has high safety and more accurate detection, the detection result can be displayed by a local device in real time, and the data can also be provided for an upper computer for use by wireless data transmission.
Description
Technical Field
The invention relates to a rail locomotive braking system, in particular to an intelligent detection technology of the locomotive braking system, and specifically relates to a quick clamping type EBV position signal sensing and collecting device.
Background
The CCBII braking system is a second generation microcomputer controlled braking system, belongs to a microprocessor based electro-pneumatic braking control system, all logics are microcomputer controlled except the beginning of the emergency braking action, the braking system is designed for being used on passenger and freight locomotives, and a 26L type brake is compatible with an electronic air brake device. In order to ensure the safe operation of the locomotive, the detection and maintenance of the brake system are essential in the regular maintenance and overhaul of the locomotive. At present, when a CCBII braking system is detected, simple pressure observation of each pressure measuring point in the braking system is generally realized in a mode of externally connecting a mechanical or electronic pressure gauge, and continuous tracking, comprehensive comparative analysis, EBV data combination and the like of pressure data of the measuring point are not realized.
The EBV (electric brakevalve), commonly known as a big brake and small brake, is a key LRU (linear replaceable Unit) of the ccbb ii brake system, and is located on the left side of the driver's cab platform of the locomotive to provide automatic braking, individual braking and single-slow functions for the crew. When the EBV is in different working states, each pressure measuring point in the CCBII braking system has different group of values, so that the pressure value of each pressure measuring point in the CCBII braking system is correspondingly measured according to the working state of the EBV, and whether the CCBII braking system is normal or not can be more accurately judged.
Therefore, in order to improve the automation level of the detection of the brake system, it is necessary to design a device capable of acquiring the EBV working state into the detection system in real time.
Disclosure of Invention
Aiming at the problems in the background art, the invention aims to provide a quick clamping type EBV position signal sensing and collecting device, which obtains the working state of an EBV according to the positions of the large brake and the small brake of the EBV through a sensor and a quick-connecting type chuck, and simultaneously accurately positions the working state of the EBV by combining the space state of a locomotive body.
In order to achieve the purpose, the invention adopts the following technical scheme:
a quick clamping type EBV position signal sensing and collecting device comprises an information collecting box, a first quick-connection chuck and a second quick-connection chuck,
the first quick-connection chuck is detachably and fixedly connected to the EBV large brake operating lever and provided with a first inclination angle sensor for detecting the position information of the EBV large brake;
the second quick-connection chuck is detachably and fixedly connected to the EBV small brake control lever and is provided with a second inclination angle sensor for detecting the position information of the EBV small brake;
the information acquisition box is internally provided with a third inclination angle sensor and a microcontroller, the third inclination angle sensor is electrically connected with the microcontroller, the third inclination angle sensor is used for detecting the space state of the locomotive body, and the acquired data is used for compensating the position information obtained by the first inclination angle sensor and the position information obtained by the second inclination angle sensor;
the first inclination angle sensor, the second inclination angle sensor and the third inclination angle sensor are all sensors provided with MEMS gyro chips, the first inclination angle sensor and the second inclination angle sensor are respectively connected with a microcontroller inside the information acquisition box through flexible wires, and the microcontroller is used for acquiring data of the first inclination angle sensor, the second inclination angle sensor and the third inclination angle sensor and calculating the positions of the EBV big and small gates.
The first quick-connection chuck comprises a first body and an elastic band, a cavity for mounting the first inclination angle sensor is arranged in the first body, one side of the first body is provided with an arc surface matched with the EBV large brake operating lever, one side of the arc surface is provided with a hook, one end of the elastic band is fixedly connected to the other side of the arc surface, and the other end of the elastic band is connected with the hook.
The second quick-connection chuck comprises a second body and an elastic band, a cavity for mounting a second inclination angle sensor is arranged in the second body, an arc surface matched with the EBV small brake operating lever is arranged on one side of the second body, a hook is arranged on one side of the arc surface, one end of the elastic band is fixedly connected to the other side of the arc surface, and the other end of the elastic band is connected with the hook.
The information acquisition box is provided with a local display device, and the local display device is connected with the microcontroller and used for displaying detection results of the first inclination angle sensor, the second inclination angle sensor and the third inclination angle sensor.
The wireless transmission module is arranged in the information acquisition box and connected with the microcontroller and used for transmitting the detection result to an upper computer.
The first inclination angle sensor, the second inclination angle sensor and the third inclination angle sensor are respectively connected with pins of the microcontroller through the AD conversion module.
The invention has the beneficial effects that: the invention is completely independent of the design mode of the locomotive circuit, does not acquire data through the original communication interface of the locomotive, does not damage the original locomotive circuit, is easy to be additionally installed and used, and can acquire the EBV working state into the detection system in real time; compared with the prior art, the invention has high safety and more accurate detection, the detection result can be displayed by a local device in real time, and the data can also be provided for an upper computer for use by wireless data transmission.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the first quick connect clamp.
Figure 3 is a top view of the second quick connect clamp.
Fig. 4 is a cross-sectional view of the information collecting box.
In the figure, 1-an information acquisition box, 2-a local display device, 3-a flexible wire, 4-a first quick connection chuck, 401-a first body, 5-an EBV large brake operating rod, 6-a second quick connection chuck, 601-a second body, 7-an EBV small brake operating rod, 8-a third tilt angle sensor, 9-a microcontroller, 10-a first tilt angle sensor, 11-a wireless transmission module and 12-a second tilt angle sensor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the drawings in the specification, and it should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2 and 3, the fast clamping type EBV position signal sensing and collecting device comprises an information collecting box 1, a first quick-connection chuck 4 and a second quick-connection chuck 6, wherein the first quick-connection chuck 4 is detachably and fixedly connected to an EBV large brake operating lever 5, and the first quick-connection chuck 4 is provided with a first tilt angle sensor 10 for detecting position information of the EBV large brake; the second quick-connection chuck 6 is detachably and fixedly connected to the EBV small brake operating lever 7, and the second quick-connection chuck 6 is provided with a second inclination angle sensor 12 for detecting the position information of the EBV small brake; the information acquisition box 1 can be horizontally placed on a driving table of the locomotive, a third inclination angle sensor 8 and a microcontroller 9 are arranged in the information acquisition box 1, the third inclination angle sensor 8 is electrically connected with the microcontroller 9, the third inclination angle sensor 8 is used for detecting the space state of a locomotive body, and the acquired data is used for compensating the position information acquired by the first inclination angle sensor 10 and the position information acquired by the second inclination angle sensor 12; the first inclination angle sensor 10, the second inclination angle sensor 12 and the third inclination angle sensor 8 are all sensors provided with MEMS gyro chips, the first inclination angle sensor 10 and the second inclination angle sensor 12 are respectively connected with a microcontroller 9 in the information acquisition box 1 through flexible wires 3, and the microcontroller 9 is used for acquiring data of the first inclination angle sensor 10, the second inclination angle sensor 12 and the third inclination angle sensor 8 and calculating positions of EBV large and small gates.
Specifically, the first quick-connection chuck 4 comprises a first body 401 and an elastic band, a cavity for mounting the first inclination angle sensor 10 is arranged in the first body 401, the first inclination angle sensor 10 is arranged in the cavity, a through hole is formed in one side wall of the cavity, a flexible wire 3 for connecting the microcontroller 9 and the first inclination angle sensor 10 is arranged in the through hole in a penetrating manner, a signal acquisition interface corresponding to the first quick-connection chuck 4 is arranged on the information acquisition box 1, and the flexible wire 3 is connected with the microcontroller 9 through the signal acquisition interface; one side of the first body 401 is provided with an arc surface matched with the EBV large brake operating lever 5, when the electronic brake device is used, the arc surface is attached to the EBV large brake operating lever 5, a hook is arranged on one side of the arc surface, one end of the elastic band is fixedly connected to the other side of the arc surface, the other end of the elastic band is connected with the hook, when the electronic brake device is used, the elastic band is tensioned and hung on the hook, and then the first body 401 can be fixed on the EBV large brake operating lever 5.
The structure of the second quick-connection chuck 6 is the same as that of the first quick-connection chuck 4, the second quick-connection chuck 6 comprises a second body 601 and an elastic band, a cavity for mounting the second inclination angle sensor 12 is formed in the second body 601, one side of the second body 601 is arranged to be an arc surface matched with the EBV small brake control lever, a hook is arranged on one side of the arc surface, one end of the elastic band is fixedly connected to the other side of the arc surface, and the other end of the elastic band is connected with the hook. Specifically, the second quick-connect clamp 6 is also used in the same way as the first quick-connect clamp 4.
The information acquisition box 1 is provided with a local display device 2, and the local display device 2 is connected with a microcontroller 9 and used for displaying detection results of a first inclination angle sensor 10, a second inclination angle sensor and a third inclination angle sensor 8. Specifically, the local display device 2 may further display the corrected gate position information.
The information acquisition box 1 is internally provided with a wireless transmission module 11, and the wireless transmission module 11 is connected with the microcontroller 9 and used for transmitting the detection result to an upper computer.
Specifically, a power supply and an external power supply interface are further arranged in the information acquisition box 1, so that different options can be provided for power supply of the whole device.
The principle of the invention is as follows:
the position information of the big brake and the small brake is determined by the included angle between the handle of the big brake and the handle of the small brake and the table surface of the big brake and the small brake, when the locomotive runs, because the included angle also exists between the table surface of the big brake and the table surface of the small brake, and the included angle between the handle of the big brake and the table surface is monitored by the inclination angle sensor on the big brake and the small brake, the misjudgment of the following two conditions can occur:
A. when the traveling direction of the locomotive and an absolute horizontal plane form an included angle, the whole locomotive forms a certain angle between the traveling direction and the horizontal plane, namely, the included angle exists between a working platform surface (a bottom plane of the train) of the large brake and the horizontal plane, at the moment, the position information of the large brake monitored by the first inclination angle sensor is not accurate, but has a certain angle deviation, so that the EBV signal acquisition unit can misjudge the position information of the large brake;
for this case, the solution provided by the present device is as follows:
what install the third inclination sensor monitoring in gathering the box is the contained angle between train bottom plane and the horizontal plane, so, the positional information of usable third inclination sensor monitoring compensates the positional information of first inclination sensor monitoring, offsets the angular deviation between train bottom plane and the horizontal plane to obtain accurate big floodgate positional information, accomplish the correction.
B. When a train turns through a track with high outside and low inside, the bottom plane of the train is high left and right relative to the horizontal plane and also has a certain included angle, the lateral buffer criterion of the small brake is the angle of the small brake handle swinging left and right relative to the working table of the large brake and the small brake, at the moment, the position information of the small brake monitored by the second inclination angle sensor on the small brake is the angle of the small brake handle swinging left and right relative to the horizontal plane, and the deviation of the certain angle exists between the small brake handle and the small brake handle, so that the lateral buffer misjudgment can be caused;
for this case, the solution provided by the present device is as follows:
the third inclination angle sensor installed in the acquisition box still monitors the included angle between the bottom plane of the train and the horizontal plane, and the position information monitored by the second inclination angle sensor can also be compensated by utilizing the position information monitored by the third inclination angle sensor, so that the angle deviation between the bottom plane of the train and the horizontal plane is offset, the accurate position information of the small brake is obtained, and the correction is completed.
In the present invention, the calculation of compensation is completed by a corresponding algorithm program in the microcontroller, and the establishment and operation of the algorithm program belong to the mature prior art, which is not described herein again.
The present invention is not described in detail in the prior art.
Claims (5)
1. The utility model provides a quick clamping formula EBV position signal perception collection system, includes that information acquisition box (1), first joint chuck (4) and second connect chuck (6) soon, characterized by:
the first quick-connection chuck (4) is detachably and fixedly connected to an EBV (electronic brake volume) large brake control lever (5), and the first quick-connection chuck (4) is provided with a first inclination angle sensor (10) for detecting the position information of the EBV large brake;
the second quick-connection chuck (6) is detachably and fixedly connected to the EBV small brake operating lever (7), and the second quick-connection chuck (6) is provided with a second inclination angle sensor (12) for detecting the position information of the EBV small brake;
the information acquisition box (1) is internally provided with a third inclination angle sensor (8) and a microcontroller (9), the third inclination angle sensor (8) is electrically connected with the microcontroller (9), the third inclination angle sensor (8) is used for detecting the space state of the locomotive body, and the acquired data is used for compensating the position information obtained by the first inclination angle sensor (10) and the position information obtained by the second inclination angle sensor (12);
the intelligent electronic ballast is characterized in that the first inclination angle sensor (10), the second inclination angle sensor (12) and the third inclination angle sensor (8) are sensors provided with MEMS gyro chips, the first inclination angle sensor (10) and the second inclination angle sensor (12) are respectively connected with a microcontroller (9) inside the information acquisition box (1) through flexible conductors (3), and the microcontroller (9) is used for acquiring data of the first inclination angle sensor (10), the second inclination angle sensor (12) and the third inclination angle sensor (8) and calculating positions of EBV (electromagnetic brake gap).
2. The quick-clamping type EBV position signal sensing and collecting device according to claim 1, wherein: the first quick-connection chuck (4) comprises a first body (401) and an elastic band, a cavity used for installing a first inclination angle sensor (10) is formed in the first body (401), an arc surface matched with the EBV large brake operating lever (5) is arranged on one side of the first body (401), a hook is arranged on one side of the arc surface, one end of the elastic band is fixedly connected to the other side of the arc surface, and the other end of the elastic band is connected with the hook.
3. The quick-clamping type EBV position signal sensing and collecting device according to claim 1, wherein: the second quick-connection chuck (6) comprises a second body (601) and an elastic band, a cavity used for mounting a second tilt angle sensor (12) is formed in the second body (601), an arc surface matched with the EBV small brake operating lever (7) is arranged on one side of the second body (601), a hook is arranged on one side of the arc surface, one end of the elastic band is fixedly connected to the other side of the arc surface, and the other end of the elastic band is connected with the hook.
4. The quick-clamping type EBV position signal sensing and collecting device according to claim 1, wherein: the information acquisition box (1) be equipped with local display device (2), local display device (2) are connected with microcontroller (9) for show first inclination sensor (10), second inclination sensor and third inclination sensor (8) detection result.
5. The quick-clamping type EBV position signal sensing and collecting device according to claim 1, wherein: the information acquisition box (1) built-in have wireless transmission module (11), wireless transmission module (11) are connected with microcontroller (9) for transmit the testing result to upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110145861.9A CN112947369A (en) | 2021-02-03 | 2021-02-03 | Quick clamping formula EBV position signal perception collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110145861.9A CN112947369A (en) | 2021-02-03 | 2021-02-03 | Quick clamping formula EBV position signal perception collection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112947369A true CN112947369A (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110145861.9A Pending CN112947369A (en) | 2021-02-03 | 2021-02-03 | Quick clamping formula EBV position signal perception collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112947369A (en) |
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2021
- 2021-02-03 CN CN202110145861.9A patent/CN112947369A/en active Pending
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