CN106441957A - Brake test intelligent management system and diagnosis method thereof - Google Patents
Brake test intelligent management system and diagnosis method thereof Download PDFInfo
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- CN106441957A CN106441957A CN201610886491.3A CN201610886491A CN106441957A CN 106441957 A CN106441957 A CN 106441957A CN 201610886491 A CN201610886491 A CN 201610886491A CN 106441957 A CN106441957 A CN 106441957A
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- intelligent management
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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
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- General Physics & Mathematics (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention provides a brake test intelligent management system and a diagnosis method thereof. The brake test intelligent management system comprises a plurality of pressure gages, a host and an interaction device. The host comprises a host body, a signal acquisition unit, a central processing unit, a display unit, a dump unit, a wireless unit, an input unit and the like. The diagnosis method comprises the steps of scheme selection, acquisition and conversion, signal processing, cyclic diagnosis and data uploading. The brake test intelligent management system and the diagnosis method thereof solve the technical problems that in locomotive brake inspection in the prior art, large personal errors are caused, and the accuracy and authenticity of diagnosis results are low.
Description
Technical field
The present invention relates to brake diagnostic device field, be specifically related to a kind of brake experiment intelligent management system and examine
Disconnected method.
Background technology
The safe operation of train needs reliable high performance braking to ensure, and next as providing tractive force and brake force
The locomotive in source, the running status of its brakes directly affects the safety of train.
And the brakes of railway locomotive is often in Fraquent start, bad environments, the operating of continuous long period, impact
Frequently and vibrate under violent running status, the running status of diagnosis brakes in time is needed to ensure the safety fortune of locomotive
OK.
Brake diagnosis on existing unit, requires quite strict in diagnostic personnel qualification, needs possess more than 3 years
Operating experience, need to learn tens step operating procedures and the inspection requirements such as Wu Buzha, eight step locks by heart；Need to pass through during diagnosis
Experience to during time of relating to carry out heart reading the clock, air pressure detects by an unaided eye and carries out judgement and the reading of data.
There is bigger human error in this mode, directly affects accuracy, the authenticity of diagnostic result, also serious shadow
Ring the traffic safety of locomotive.
Content of the invention
Locomotive brake gear for solving prior art checks that human error is big, the accuracy of diagnostic result, authenticity difference
Technical problem, the present invention provides a kind of brake experiment intelligent management system avoiding human error.
A kind of brake experiment intelligent management system, including multiple Pressure gauge, main frame and interactive device, described main frame includes
Main frame body, signal gathering unit, signal processing unit, CPU, display unit, dump unit, radio-cell and
Input block, described signal gathering unit, described signal processing unit, described CPU, described display unit, described
Dump unit, described radio-cell and described input block are all located in described main frame body, described signal gathering unit one end
Being connected with described Pressure gauge, the other end is sequentially provided with described signal processing unit and described CPU, described display list
Dump unit first, described, described radio-cell and the equal one end of described input block are connected with described CPU, the other end
It is connected with described interactive device.
In a kind of preferred embodiment of the brake experiment intelligent management system that the present invention provides, described main frame also includes
PMU, described PMU is located in described main frame body, and simultaneously with described signal gathering unit, described
Signal processing unit, described CPU, described display unit, described dump unit, described radio-cell and described defeated
Enter unit to connect.
In a kind of preferred embodiment of the brake experiment intelligent management system that the present invention provides, described main frame also includes
Signals collecting joint, power connection, interactive device joint and redundant connector, described signals collecting joint, described power connection, institute
Stating interactive device joint and described redundant connector being all located at outside described main frame body, described signals collecting joint and described redundancy connect
The equal one end of head is connected with described signal gathering unit, and the described signals collecting joint other end is by connecting line with described Pressure gauge even
Connecing, described power connection is connected with described PMU, described interactive device joint one end simultaneously with described display unit,
Described dump unit, described radio-cell and described input block connect, and the other end is by connecting line with described interactive device even
Connect.
In a kind of preferred embodiment of the brake experiment intelligent management system that the present invention provides, described Pressure gauge includes
Pressure gauge body, signal adapter and power supply wiring, described signal adapter is located at described Pressure gauge body, described power supply wiring
It is located at described signal adapter.
In a kind of preferred embodiment of the brake experiment intelligent management system that the present invention provides, described Pressure gauge also wraps
Including out splice going splice, described out splice going splice one end is connected with described signal adapter, and the other end is adopted with described signal by connecting line
Collection joint connects.
In a kind of preferred embodiment of the brake experiment intelligent management system that the present invention provides, described manometric peace
Dress size, air-path interface dial plate original with locomotive are consistent.
In a kind of preferred embodiment of the brake experiment intelligent management system that the present invention provides, described interactive device bag
Include mutual body, display, USB interface, wireless transmitter module and operation button, described display, described USB interface, described
Wireless transmitter module and described operation button are all located at described mutual body, and are connected with described mutual body.
In a kind of preferred embodiment of the brake experiment intelligent management system that the present invention provides, described interactive device is also
Including main frame joint, described main frame joint is located at outside described mutual body, with described mutual machine while described main frame joint one end
Body, described display, described USB interface, described wireless transmitter module and described operation are pressed bonded, and the other end passes through connecting line
It is connected with described interactive device joint.
In a kind of preferred embodiment of the brake experiment intelligent management system that the present invention provides, described display is successively
Be connected with described display unit by described main frame joint and described interactive device joint, described USB interface in like manner with described turn
Storage unit connect, described wireless transmitter module is in like manner connected with described radio-cell, described operate button in like manner with described input
Unit connects.
A kind of diagnostic method applying described brake experiment intelligent management system, comprises the following steps：
Step one：Selection scheme：Interactive device described in user operation selects diagnosis scheme, and starts corresponding diagnosis process；
Step 2：Gather and conversion：Described Pressure gauge gather total reservoir of locomotive, checking cylinder, train pipe, equalizing cylinder and afterwards other
Cylinder（Heavily join the rear checking cylinder of car）Deng pressure information, and be converted to pressure signal；
Step 3：Signal transacting：Described signal gathering unit gathers relevant pressure signal, through described signal processing unit by pressure
Signal becomes the data-signal that can be used for calculating, and by examining of selecting in the described step one of described CPU identification substitution
Disconnected scheme calculates；
Step 4：Circulation diagnosis：After calculating finishes, described display unit is given in described interactive device and operates carrying of next step
Show, and repeating said steps one is to described step 3, until diagnosis completes；
Step 5：Data upload：After diagnosis terminates, diagnostic result is uploaded to take by described radio-cell by described interactive device
Business device, ground staff can check, add up, analyze the inspecting state of each brake according to the authority of oneself；
Step 6：Data dump：Upload unsuccessfully as in described step 5, then described dump unit will be examined by described interactive device
Disconnected result dump is to movable storage device.
The described brake experiment intelligent management system and the diagnostic method thereof that there is provided compared to prior art, the present invention have
Following beneficial effect：
First, described brake experiment intelligent management system is by setting up dynamic mathematical models, relies on the change of force value, extrapolates
Handle bit motion, calculates diagnostic result failure to the safe side side simultaneously, even if gear judges misalignment, system also has defective
Item record, thus realize the vehicle-mounted inline diagnosis of brake.
And described manometric installation dimension, air-path interface dial plate original with locomotive is consistent, and not destroying, locomotive is former
On the premise of any pipeline having, gather brake pressure signal.
2nd, described brake experiment intelligent management system is automatically pointed out each step operating procedure, is shown that each step system is sentenced
Disconnected diagnostic result, makes that described diagnostic method is easy to learn, operating efficiency is high, and diagnostic personnel only need to operate according to prompting,
Non-professional brake diagnostic personnel is by the diagnosis just can being standardized brake less than a workaday training.
Also making diagnostic result more true and reliable, diagnostic accuracy is better than 0.5 grade simultaneously.
3rd, diagnostic result is returned to ground by described brake experiment intelligent management system, and Intellective Management Software is passed through on ground,
Can check with the state of each locomotive brake gear of real-time statistics, specification, guarantee that maintainer carries out operation according to railway standard, ensure
The outbound quality of locomotive brake gear.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, embodiment will be described below used in
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, the attached of other can also be obtained according to these accompanying drawings
Figure, wherein：
Fig. 1 is the structural representation of the brake experiment intelligent management system that the present invention provides；
Fig. 2 is the structural representation of the main frame of the brake experiment intelligent management system that the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments wholely.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 is the structure of the brake experiment intelligent management system that the present invention provides
Schematic diagram, Fig. 2 is the structural representation of the main frame of the brake experiment intelligent management system that the present invention provides.
Described brake experiment intelligent management system 1 includes two Pressure gauges the 11st, main frame 12 and interactive device 13.
Described Pressure gauge 11 includes Pressure gauge body the 111st, signal adapter the 112nd, power supply wiring 113 and out splice going splice 11A.
Described Pressure gauge body 111 is located at by described signal adapter 112, and described power supply wiring 113 is located at described signal and is turned
Parallel operation 112 side, described out splice going splice 11A is all located at described signal adapter 112 top.
Described main frame 12 includes that main frame body the 121st, signal gathering unit the 122nd, signal processing unit the 123rd, central authorities process single
The 129th, unit's the 124th, display unit the 125th, dump unit the 126th, radio-cell the 127th, input block the 128th, PMU gathers and connects
Head 12A, power connection 12B, interactive device joint 12C and redundant connector 12D.
Described collection joint 12A and described redundant connector 12D are located at described main frame body 121 side, described power connection
12B and described interactive device joint 12C is located at described main frame body 121 opposite side.
Described signal gathering unit 122 one end connects with described collection joint 12A and described redundant connector 12D simultaneously
Connecing, the other end is connected with described signal processing unit 123 and described CPU 124 in turn.
Described display unit the 125th, described dump unit the 126th, described radio-cell 127 and described input block 128 is homogeneous
End is connected with described CPU 124, and the other end is connected with described interactive device joint 12C.
Described PMU 129 one end is connected with described power connection 12B, and the other end even with above-mentioned each unit simultaneously
Connect.
Described interactive device 13 includes that the 134th, mutual body the 131st, display the 132nd, usb 1 the 33rd, wireless transmitter module is grasped
Make button 135 and main frame joint 13A.
Described main frame joint 13A is located at described mutual body 131 side, and described display the 132nd, described usb 1 is the 33rd,
Described wireless transmitter module 134 and described operation button 135 are all located at described mutual body 131, and all with described main frame joint
13A connects.
Out splice going splice 11A described in two is all connected with described collection joint 12A by connecting line, described interactive device joint
12C is connected with described main frame joint 13A by connecting line.
Wherein, described display 132 pass sequentially through described main frame joint 13A and described interactive device joint 12C with described
Display unit 125 connects；Described usb 1 33 is in like manner connected with described dump unit 126；Described wireless transmitter module 134 is same
Reason is connected with described radio-cell 127；Described operation button 135 is in like manner connected with described input block 128.
When being embodied as, each cylinder of described Pressure gauge body 111 and brake, pipeline etc. are connected, described power supply wiring
113 and described power connection 12B connect with corresponding power supply respectively.
Described diagnostic method comprises the following steps：
Step one：Selection scheme：Operate button 135 described in user operation and select diagnosis scheme, and start corresponding diagnosis process；
Step 2：Gather and conversion：Described Pressure gauge body 111 gathers total reservoir of locomotive, checking cylinder, train pipe, equalizing cylinder
Other cylinders after and（Heavily join the rear checking cylinder of car）Deng pressure information, and by described signal adapter 112 be converted to pressure letter
Number；
Step 3：Signal transacting：Described signal gathering unit 122 gathers relevant pressure signal, through described signal processing unit 123
Pressure signal is become the data-signal that can be used for calculating, and described CPU 124 is identified the described step one of substitution
The diagnosis scheme of middle selection calculates；
Step 4：Circulation diagnosis：After calculating finishes, described display unit 125 provides next step operation in described display 132
Prompting, and repeating said steps one is to described step 3, until diagnosis completes；
Step 5：Data upload：After diagnosis terminates, diagnosis is tied by described radio-cell 127 by described wireless transmitter module 134
Fruit uploads onto the server, and ground staff can check, add up, analyze the inspecting state of each brake according to the authority of oneself；
Step 6：Data dump：Upload unsuccessfully as in described step 5, then described dump unit 126 passes through described USB interface
133 by diagnostic result dump to movable storage device.
The described brake experiment intelligent management system 1 providing compared to prior art, the present invention and diagnostic method tool thereof
There is following beneficial effect：
First, described brake experiment intelligent management system 1 is by setting up dynamic mathematical models, relies on the change of force value, calculates
Going out handle bit motion, calculating diagnostic result failure to the safe side side simultaneously, even if gear judges misalignment, system also has and does not conforms to
Lattice item record, thus realize the vehicle-mounted inline diagnosis of brake.
And the installation dimension of described Pressure gauge 11, air-path interface dial plate original with locomotive is consistent, do not destroying locomotive
On the premise of original any pipeline, gather brake pressure signal.
2nd, described brake experiment intelligent management system 1 is automatically pointed out each step operating procedure, is shown that each step system is sentenced
Disconnected diagnostic result, makes that described diagnostic method is easy to learn, operating efficiency is high, and diagnostic personnel only need to operate according to prompting,
Non-professional brake diagnostic personnel is by the diagnosis just can being standardized brake less than a workaday training.
Also making diagnostic result more true and reliable, diagnostic accuracy is better than 0.5 grade simultaneously.
3rd, diagnostic result is returned to ground by described brake experiment intelligent management system 1, and ground is soft by intelligent management
Part, can check with the state of each locomotive brake gear of real-time statistics, specification, guarantee that maintainer carries out operation according to railway standard,
Ensure the outbound quality of locomotive brake gear.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other related technology necks
Territory, all in like manner includes within the scope of patent protection of the present invention.
Claims (10)
1. a brake experiment intelligent management system, it is characterised in that：Including multiple Pressure gauges, main frame and interactive device, institute
State main frame include main frame body, signal gathering unit, signal processing unit, CPU, display unit, dump unit,
Radio-cell and input block, described signal gathering unit, described signal processing unit, described CPU, described aobvious
Showing that unit, described dump unit, described radio-cell and described input block are all located in described main frame body, described signal is adopted
Collection unit one end is connected with described Pressure gauge, and the other end is sequentially provided with described signal processing unit and described CPU,
Described display unit, described dump unit, described radio-cell and the equal one end of described input block and described CPU
Connecting, the other end is connected with described interactive device.
2. brake experiment intelligent management system according to claim 1, it is characterised in that：Described main frame also includes power supply
Administrative unit, described PMU is located in described main frame body, and simultaneously with described signal gathering unit, described signal
Processing unit, described CPU, described display unit, described dump unit, described radio-cell and described input list
Unit connects.
3. brake experiment intelligent management system according to claim 2, it is characterised in that：Described main frame also includes signal
Gather joint, power connection, interactive device joint and redundant connector, described signals collecting joint, described power connection, described friendship
Mutual device junction and described redundant connector are all located at outside described main frame body, and described signals collecting joint and described redundant connector are equal
One end is connected with described signal gathering unit, and the described signals collecting joint other end is connected with described Pressure gauge by connecting line,
Described power connection is connected with described PMU, with described display unit, institute while described interactive device joint one end
Stating dump unit, described radio-cell and described input block to connect, the other end is connected with described interactive device by connecting line.
4. the brake experiment intelligent management system according to claims 1 to 3 is arbitrary, it is characterised in that：Described Pressure gauge
Including Pressure gauge body, signal adapter and power supply wiring, described signal adapter is located at described Pressure gauge body, described power supply
Described signal adapter is located in wiring.
5. brake experiment intelligent management system according to claim 4, it is characterised in that：Described Pressure gauge also includes defeated
Going out joint, described out splice going splice is located at described signal adapter, and described signals collecting joint is connect with described output by connecting line
Head connects.
6. brake experiment intelligent management system according to claim 4, it is characterised in that：Described manometric installation chi
Very little, air-path interface dial plate original with locomotive is consistent.
7. the brake experiment intelligent management system according to claims 1 to 3 is arbitrary, it is characterised in that：Described set alternately
Standby mutual body, display, USB interface, wireless transmitter module and the operation button of including, described display, described USB interface,
Described wireless transmitter module and described operation button are all located at described mutual body, and are connected with described mutual body.
8. brake experiment intelligent management system according to claim 7, it is characterised in that：Described interactive device also includes
Main frame joint, described main frame joint is located at outside described mutual body, described main frame joint simultaneously with described mutual body, described aobvious
Show device, described USB interface, described wireless transmitter module and described operation by bonded, described interactive device joint is by connecting
Line is connected with described main frame joint.
9. brake experiment intelligent management system according to claim 8, it is characterised in that：Described display passes sequentially through
Described main frame joint and described interactive device joint are connected with described display unit, described USB interface in like manner with described dump list
Unit connect, described wireless transmitter module is in like manner connected with described radio-cell, described operate button in like manner with described input block
Connect.
10. the diagnostic method of the brake experiment intelligent management system that a kind is applied described in claim 1, it is characterised in that：Bag
Include following steps：
Step one：Selection scheme：Interactive device described in user operation selects diagnosis scheme, and starts corresponding diagnosis process；
Step 2：Gather and conversion：Described Pressure gauge gather total reservoir of locomotive, checking cylinder, train pipe, equalizing cylinder and afterwards other
Cylinder（Heavily join the rear checking cylinder of car）Deng pressure information, and be converted to pressure signal；
Step 3：Signal transacting：Described signal gathering unit gathers relevant pressure signal, through described signal processing unit by pressure
Signal becomes the data-signal that can be used for calculating, and by examining of selecting in the described step one of described CPU identification substitution
Disconnected scheme calculates；
Step 4：Circulation diagnosis：After calculating finishes, described display unit is given in described interactive device and operates carrying of next step
Show, and repeating said steps one is to described step 3, until diagnosis completes；
Step 5：Data upload：After diagnosis terminates, diagnostic result is uploaded to take by described radio-cell by described interactive device
Business device, ground staff can check, add up, analyze the inspecting state of each brake according to the authority of oneself；
Step 6：Data dump：Upload unsuccessfully as in described step 5, then described dump unit will be examined by described interactive device
Disconnected result dump is to movable storage device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886491.3A CN106441957A (en) | 2016-10-11 | 2016-10-11 | Brake test intelligent management system and diagnosis method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886491.3A CN106441957A (en) | 2016-10-11 | 2016-10-11 | Brake test intelligent management system and diagnosis method thereof |
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| CN106441957A true CN106441957A (en) | 2017-02-22 |
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| CN201610886491.3A Pending CN106441957A (en) | 2016-10-11 | 2016-10-11 | Brake test intelligent management system and diagnosis method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924077A (en) * | 2021-02-03 | 2021-06-08 | 中车洛阳机车有限公司 | CCBII air brake pressure rapid detection equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6375276B1 (en) * | 1998-01-28 | 2002-04-23 | Ge-Harris Railway Electronics, Llc | Railway brake system including enhanced pneumatic brake signal detection and associated methods |
| CN101865784A (en) * | 2010-06-08 | 2010-10-20 | 上海全路通铁道科技发展有限公司 | Train brake main tube smoothness detection system and detection method |
| CN202275324U (en) * | 2011-11-02 | 2012-06-13 | 内蒙古机电职业技术学院 | Portable automobile failure diagnosis device |
| CN102589908A (en) * | 2012-01-19 | 2012-07-18 | 中南大学 | Device for detecting fault of single module of CCBII brake |
| CN103983349A (en) * | 2014-06-06 | 2014-08-13 | 武汉科技大学 | Portable fault diagnosis apparatus used for low-speed heavy-load machinery |
| CN206074276U (en) * | 2016-10-11 | 2017-04-05 | 湖南广思科技有限公司 | Brake experiment intelligent management system |
-
2016
- 2016-10-11 CN CN201610886491.3A patent/CN106441957A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6375276B1 (en) * | 1998-01-28 | 2002-04-23 | Ge-Harris Railway Electronics, Llc | Railway brake system including enhanced pneumatic brake signal detection and associated methods |
| CN101865784A (en) * | 2010-06-08 | 2010-10-20 | 上海全路通铁道科技发展有限公司 | Train brake main tube smoothness detection system and detection method |
| CN202275324U (en) * | 2011-11-02 | 2012-06-13 | 内蒙古机电职业技术学院 | Portable automobile failure diagnosis device |
| CN102589908A (en) * | 2012-01-19 | 2012-07-18 | 中南大学 | Device for detecting fault of single module of CCBII brake |
| CN103983349A (en) * | 2014-06-06 | 2014-08-13 | 武汉科技大学 | Portable fault diagnosis apparatus used for low-speed heavy-load machinery |
| CN206074276U (en) * | 2016-10-11 | 2017-04-05 | 湖南广思科技有限公司 | Brake experiment intelligent management system |
Non-Patent Citations (1)
| Title |
|---|
| 谭刚: "电力机车制动机状态监测与故障诊断研究", 《中国优秀博硕士学位论文全文数据库（硕士）工程科技Ⅱ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924077A (en) * | 2021-02-03 | 2021-06-08 | 中车洛阳机车有限公司 | CCBII air brake pressure rapid detection equipment |
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Inventor after: Ma Chunji Inventor after: Li Xuesong Inventor after: Li Chenglong Inventor after: Yang Zilong Inventor after: Xie Fengfan Inventor after: Peng Junji Inventor after: Fan Mingyang Inventor before: Ma Chunji Inventor before: Li Chenglong Inventor before: Yang Zilong Inventor before: Xie Fengfan Inventor before: Peng Junji Inventor before: Fan Mingyang |
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Application publication date: 20170222 |