CN206270365U - A kind of Real time auto measure device of train speed and position measurement velocity sensor - Google Patents
A kind of Real time auto measure device of train speed and position measurement velocity sensor Download PDFInfo
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- CN206270365U CN206270365U CN201621401273.8U CN201621401273U CN206270365U CN 206270365 U CN206270365 U CN 206270365U CN 201621401273 U CN201621401273 U CN 201621401273U CN 206270365 U CN206270365 U CN 206270365U
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- velocity sensor
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- pulse signal
- signal processing
- circiut tester
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Abstract
The utility model discloses a kind of Real time auto measure device of train speed and position measurement velocity sensor, including：Velocity sensor In-circiut tester, the computer with display unit being connected with velocity sensor In-circiut tester and the power supply module for providing electric energy for velocity sensor In-circiut tester and velocity sensor to be measured；Velocity sensor In-circiut tester includes：At least two interfaces for being used to connect velocity sensor to be measured, the speed pulse signal processing unit being connected with each interface, the CPU being connected with all speed pulse signal processing units, the CPU is used for the umber of pulse in the unit interval in calculating speed pulse signal processing unit, and at least two speed pulse signal processing units signal phase difference.Device of the present utility model can carry out live on-line testing to the velocity sensor on locomotive, without dismantling the velocity sensor on locomotive, improve testing efficiency, save testing cost and shorten the testing time.
Description
Technical field
The utility model is related to locomotive velocity measuring device, and in particular to a kind of train speed and position measurement velocity sensor it is online
Automatic testing equipment.
Background technology
In the urban track traffic based on CBTC systems, the speed-position detection of train is extremely important, and Vehicle Controller passes through
The accurate of velocity sensor and radar is tested the speed, and realizes the automatic protection and automatic Pilot of train, therefore velocity sensor is accurate
Property can not only control vehicle travel velocity accuracy, and can precise control to train-stopping distance error.
Because velocity sensor is arranged on outside the axle end of engine vehicle, the rotating speed for detecting locomotive axle,
Electric impulse signal is provided to rolling stock electric control system, the safe operation to ensuring locomotive plays vital effect.
In long-term running, the failure-frequency that the velocity sensor on locomotive occurs is comparing high.It is thus typically necessary to right
It carries out daily maintenance and routine test inspection, stability when ensuring that velocity sensor is used with this.But, due to speed
Degree sensor is fixed on wheel shaft two ends, and field stripping gets up very difficult, and misoperation also redundancy is damaged.Therefore, whenever
During generation equipment fault, it is necessary to carry out velocity sensor to return factory's Measuring error, so, just virtually causing very
Big waste.
When in face of velocity sensor detection dismounting difficult problem, it is necessary to develop a kind of special velocity sensor it is online from
Dynamic test device, realizes online automatic detection, improves operating efficiency, extends the service life of velocity sensor.
The test of velocity sensor is an important step of vehicle dynamic property debugging, is installed in Vehicle Controller product
, it is necessary to commissioning examination of entering to take action to velocity sensor during debugging.Before being adjusted because field vehicle is dynamic, velocity sensor is via carshop
Family on the wheel shaft, can only ON TRAINS carry out on-the-spot test in advance, and difficulty of test is larger, and testing efficiency is low and high cost.
Utility model content
In view of the above problems, the utility model proposes overcoming above mentioned problem or solve the above problems at least in part
A kind of Real time auto measure device of train speed and position measurement velocity sensor.
For this purpose, in a first aspect, the utility model proposes a kind of train speed and position measurement velocity sensor it is online from
Dynamic test device, including：
Velocity sensor In-circiut tester, the meter with display unit being connected with the velocity sensor In-circiut tester
Calculation machine and the power supply module for providing electric energy for velocity sensor In-circiut tester and velocity sensor to be measured；
The velocity sensor In-circiut tester includes：
At least two interfaces for being used to connect velocity sensor to be measured, at the speed pulse signal being connected with each interface
Reason unit, the CPU being connected with all speed pulse signal processing units, CPU is used for calculating speed pulse signal processing unit
The phase difference of signal in umber of pulse in the middle unit interval, and at least two speed pulse signal processing units.
Alternatively, the power supply module provides the direct current of 15V by the interface for velocity sensor to be measured respectively.
Alternatively, the power supply module connects the CPU；
The CPU connects the computer, so that the display unit of computer shows the test knot after the CPU treatment
Really.
Alternatively, the CPU connects the computer by RS232 communication interfaces.
Alternatively, the velocity sensor In-circiut tester includes, two interfaces；
Two interfaces connect the velocity sensor on locomotive in the left and right wheels of same axletree respectively.
Alternatively, the CPU is to be provided with two on-site programmable gate array FPGA chips of pulse counter.
Alternatively, the power supply module is integrated in the velocity sensor In-circiut tester.
As shown from the above technical solution, the utility model proposes train speed and position measurement velocity sensor it is on-line automatic
Test device, can carry out live on-line testing to the velocity sensor on locomotive, without dismantling the velocity sensor on locomotive,
Testing efficiency is improve, testing cost is saved and is shortened the testing time.
Brief description of the drawings
Fig. 1 is the connection diagram of the embodiment Real time auto measure device of the utility model one and velocity sensor；
The Real time auto measure device medium velocity sensor In-circiut tester that Fig. 2 is provided for the embodiment of the utility model one
Structural representation.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is explicitly described to the technical scheme in the utility model embodiment, it is clear that described reality
It is a part of embodiment of the utility model to apply example, rather than whole embodiments.
Fig. 1 shows the connection diagram of the embodiment Real time auto measure device of the utility model one and velocity sensor,
Fig. 2 shows the structure of the Real time auto measure device medium velocity sensor In-circiut tester that the embodiment of the utility model one is provided
Schematic diagram, with reference to shown in Fig. 1 and Fig. 2, the Real time auto measure device of the present embodiment includes：
Velocity sensor In-circiut tester 10, be connected with the velocity sensor In-circiut tester 10 with display unit
Computer 12 and the power supply for providing electric energy for velocity sensor In-circiut tester 10 and velocity sensor to be measured
Module 11.
Figure 1 illustrates be will be arranged on car body frame on velocity sensor connector plug extraction, with speed pass
The corresponding interface of sensor In-circiut tester links together.Car body 5, axletree 8, support frame 7, wheel 6, speed are also show in Fig. 1
Degree sensor 9；Wherein, the position relationship of axletree 8, wheel 6, support frame 7, velocity sensor 9 is as shown in figure 1, the present embodiment
Velocity sensor In-circiut tester is tested for velocity sensor.
As shown in Fig. 2 the velocity sensor In-circiut tester 10 of the present embodiment includes：
At least two interfaces 101 for being used to connect velocity sensor to be measured, the velocity pulse being connected with each interface 101
Signal processing unit 102, connects the CPU 103 of all speed pulse signal processing units 102, and the CPU 103 is used to calculate speed
Umber of pulse in degree pulse signal processing unit in the unit interval, and believe at least two speed pulse signal processing units 102
Number phase difference.
In the present embodiment, the power supply module 11 is integrated in the velocity sensor In-circiut tester 10, such as Fig. 2 institutes
Show.Certainly, in other embodiments, power supply module can also be provided separately within the outside of velocity sensor In-circiut tester, this reality
Apply example to be not limited thereof, adjust according to actual needs.
In the present embodiment, power supply module 11 is respectively by the interface 101 for velocity sensor to be measured provides 15V's
Direct current.
Power supply module 11 in the present embodiment connects the CPU 103；The CPU connects the computer 12, so as to calculate
Test result after the CPU treatment as described in display shows of the display unit of machine.
Alternatively, the CPU connects the display by RS232 communication interfaces.
Velocity sensor In-circiut tester shown in Fig. 2 includes, two interfaces 101；Two interfaces 101 are connected respectively
Velocity sensor on locomotive in the left and right wheels of same axletree.
The CPU of the present embodiment can be to be provided with two fpga chips of pulse counter.
The Real time auto measure device of the present embodiment, can carry out live on-line testing to the velocity sensor on locomotive,
Without dismantling the velocity sensor on locomotive, testing efficiency is improve, save testing cost and shorten the testing time.
It is described as follows for the velocity sensor In-circiut tester operation principle in Fig. 2：1st road speed sensor interface
The 101 velocity sensor pulse signals for receiving, by speed pulse signal processing unit 102, the pulse signal of 15V level are turned
Change into after 5V level signals for CPU treatment；
The processing procedure of CPU can be that the umber of pulse in the unit interval is calculated by internal counter, and obtain two
Data (i.e. test result) after treatment are sent to computer by the phase difference of pulse signal, CPU by RS232 communication interfaces,
The display unit display test result of the computer simultaneously automatically saves test data.
Power supply module in the present embodiment is connected with the interface of tester in Fig. 2, the purpose is to be provided for velocity sensor
The dc source of 15V.
Generally, above-mentioned CPU can be fpga chip, and the fpga chip Programming has 2 pulse counters.
In other embodiments, above-mentioned computer can be also display, or be the host computer with display unit, this
Embodiment is not limited it.The computer of the present embodiment may be used also except velocity pulse number and phase difference in the unit of display time
With the train wheel footpath value being input into by the external equipment of computer, the velocity amplitude of current train is calculated.
Can be without dismantling the velocity sensor on locomotive during using said apparatus test speed sensor.Applicability is wide,
The velocity sensor of all output of pulse signal, including photoelectric type, Hall type and electromagnetic type uniform velocity sensor can be adapted to.
(because only needing to acquisition pulse signal, being adapted to the velocity sensor of all of output of pulse signal).
The device of the present embodiment is applied and moves the tune stage in vehicle, can be while on-line automatic collecting test two-way velocity pick-up
The signal of device (locomotive left and right wheels), and then be automatically performed the test of velocity sensor and generate test report, reduce survey as far as possible
Examination difficulty, saving testing cost and shortening testing time, greatly improve testing efficiency.
Although it will be appreciated by those of skill in the art that some embodiments described herein include being wrapped in other embodiments
Some features for including are rather than further feature, but the combination of the feature of different embodiments means in model of the present utility model
Within enclosing and form different embodiments.
Although being described in conjunction with the accompanying implementation method of the present utility model, those skilled in the art can not depart from
Various modifications and variations are made in the case of spirit and scope of the present utility model, such modification and modification are each fallen within by appended
Within claim limited range.
Claims (7)
1. a kind of Real time auto measure device of train speed and position measurement velocity sensor, it is characterised in that including：
Velocity sensor In-circiut tester, the calculating with display unit being connected with the velocity sensor In-circiut tester
Machine and the power supply module for providing electric energy for velocity sensor In-circiut tester and velocity sensor to be measured；
The velocity sensor In-circiut tester includes：
At least two interfaces for being used to connect velocity sensor to be measured, the speed pulse signal treatment being connected with each interface is single
Unit, the CPU being connected with all speed pulse signal processing units, the CPU is used for single in calculating speed pulse signal processing unit
Position the time in umber of pulse, and at least two speed pulse signal processing units signal phase difference.
2. device according to claim 1, it is characterised in that the power supply module is respectively to be measured by the interface
Velocity sensor provides the direct current of 15V.
3. device according to claim 2, it is characterised in that the power supply module connects the CPU；
The CPU connects the computer, so that the display unit of computer shows the test result after the CPU treatment.
4. device according to claim 3, it is characterised in that the CPU connects the calculating by RS232 communication interfaces
Machine.
5. device according to claim 1, it is characterised in that the velocity sensor In-circiut tester includes that two connect
Mouthful；
Two interfaces connect the velocity sensor on locomotive in the left and right wheels of same axletree respectively.
6. device according to claim 1, it is characterised in that the CPU is to be provided with two scenes of pulse counter
Programmable gate array FPGA chip.
7. device according to claim 1, it is characterised in that it is online that the power supply module is integrated in the velocity sensor
In tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401273.8U CN206270365U (en) | 2016-12-20 | 2016-12-20 | A kind of Real time auto measure device of train speed and position measurement velocity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401273.8U CN206270365U (en) | 2016-12-20 | 2016-12-20 | A kind of Real time auto measure device of train speed and position measurement velocity sensor |
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| CN206270365U true CN206270365U (en) | 2017-06-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185545A (en) * | 2018-02-23 | 2019-08-30 | 大陆汽车电子（连云港）有限公司 | Camshaft-signal sensor minimum levels width setting method and engine electric-controlled system |
| CN110501523A (en) * | 2019-08-26 | 2019-11-26 | 中国铁道科学研究院集团有限公司 | A kind of locomotive velocity measuring distance-measuring equipment fault detection system and method |
| CN112550376A (en) * | 2020-12-16 | 2021-03-26 | 卡斯柯信号有限公司 | Train speed measuring system and method |
-
2016
- 2016-12-20 CN CN201621401273.8U patent/CN206270365U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185545A (en) * | 2018-02-23 | 2019-08-30 | 大陆汽车电子（连云港）有限公司 | Camshaft-signal sensor minimum levels width setting method and engine electric-controlled system |
| CN110501523A (en) * | 2019-08-26 | 2019-11-26 | 中国铁道科学研究院集团有限公司 | A kind of locomotive velocity measuring distance-measuring equipment fault detection system and method |
| CN112550376A (en) * | 2020-12-16 | 2021-03-26 | 卡斯柯信号有限公司 | Train speed measuring system and method |
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