CN104220880A - Speed detection device - Google Patents
Speed detection device Download PDFInfo
- Publication number
- CN104220880A CN104220880A CN201380017853.XA CN201380017853A CN104220880A CN 104220880 A CN104220880 A CN 104220880A CN 201380017853 A CN201380017853 A CN 201380017853A CN 104220880 A CN104220880 A CN 104220880A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- generator
- tech
- train
- ground unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A speed detection device that detects train speed on the basis of output signals from a tacho-generator (1a) determines whether or not a tacho-generator (1a) malfunction has occurred, on the basis of the results of a comparison between: the train travel distance measured on the basis of output signals from the tacho-generator (1a) mounted on the train; the train travel distance measured using a means other than the tacho-generator (1a); and the distance information for up to the next prescribed ground facility (P1), obtained from a ground facility (P0).
Description
Technical field
The present invention relates to speed detector, it possesses tech-generator, detects the speed of train.
Background technology
In the past, as this speed detector, such as, device described in known patent document 1.This speed detector described in patent documentation 1 is configured to: based on being connected to the output signal of tech-generator of axletree of train and the wheel diameter measured in advance, detect the speed of train.
The information of the train speed detected by this speed detector is such as input to the train controller etc. carrying out the Train Control specified, for the control etc. of train.Such as, in the train controller described in patent documentation 2, calculate the operating range of the train from the reference position of regulation based on the train speed from speed detector, detect the position of train according to calculated operating range, thus control train interval efficiently.And, this train controller is configured to: the On-Board Unit (Japanese original text is: " Trucks upper son ") being arranged at train is relative with being arranged at ground unit on the ground (Japanese original text is: " sub ") be on the ground coupled time, the positional information of the train obtained from this ground unit and the train position obtained based on the train speed from speed detector are compared, corrects the velocity measuring error such as caused because of wheel diameter etc.
prior art document
patent documentation
Patent documentation 1: JP 2003-315354 publication
Patent documentation 2: JP 2008-126721 publication
Summary of the invention
the problem that invention will solve
In addition, the information because of the train speed detected by the speed detector employing this tech-generator is input to such as train controller etc. and for the control etc. of train, therefore needs the fault detecting tech-generator.
But, in the train controller described in existing patent documentation 2, the positional information of the train position determined according to the train speed detected with the train obtained from ground unit is compared, think that tech-generator there occurs fault when both differences are large, but when there occurs the communication on the ground between unit and On-Board Unit and being bad, the positional information of train cannot be obtained from ground unit, therefore likely cannot detect the fault of tech-generator.
The present invention is conceived to the problems referred to above and completes, and its object is to, and provides the speed detector that reliably can detect the fault of tech-generator.
for the scheme of dealing with problems
In order to achieve the above object, speed detector of the present invention detects train speed based on the output signal of tech-generator, it is characterized in that, according to the operating range of the train measured based on the output signal from the above-mentioned tech-generator be equipped on car, the operating range of train measured by the mechanism different from above-mentioned tech-generator and the comparative result of the range information to the ground unit that next specifies that obtains from ground unit, judge that above-mentioned tech-generator has non-fault.
invention effect
According to speed detector of the present invention, be configured to the operating range according to the train measured based on the output signal from tech-generator, the comparison of the operating range of the train measured by the mechanism different from above-mentioned tech-generator and the range information from ground unit, judge the fault of tech-generator, therefore, when due to communicate bad grade and fail to obtain information from ground unit, the operating range of the operating range of the train measured based on the output signal from tech-generator with the train measured by the mechanism different from tech-generator can be compared, judge that tech-generator has non-fault.Like this, the speed detector that reliably can detect the fault of tech-generator can be provided.
Accompanying drawing explanation
Fig. 1 is the summary pie graph of the embodiment that speed detector involved in the present invention is shown.
Fig. 2 is the block diagram of the bus equipment that present embodiment is shown.
Fig. 3 is the figure of the waveform example of the output signal that tech-generator is shown.
Fig. 4 is the figure of another waveform example of the output signal that tech-generator is shown.
Embodiment
Below, based on accompanying drawing, embodiments of the present invention are described.
Fig. 1 illustrates the summary pie graph of an embodiment of speed detector of the present invention.
In FIG, the speed detector of present embodiment detects train speed based on the output signal of tech-generator 1a, possess with lower part: tech-generator formula measurement section 1, it is equipped on car, measures the operating range of train based on the output signal from tech-generator 1a; Doppler measurement instrument 2 and GPS measuring instrument 3, it is equipped on car, based on the operating range of the signal measurement train different from the output signal from tech-generator 1a, as preliminary measurement portion independent of tech-generator formula measurement section 1 ground; Bus equipment 10, it is equipped on train; And overground installation 20, it is arranged on the upside of ground.
Above-mentioned tech-generator formula measurement section 1 is equipped on car, measures the operating range of train, as shown in Figure 2, such as, possess tech-generator 1a and TG operational part 1b based on the output signal from tech-generator 1a.
Above-mentioned tech-generator 1a is connected to the axletree of train, be such as the general tachogenerator (tachogenerator) that axletree produces the pulse signal of specified quantity Z when often turning 1 circle, be configured to produced output of pulse signal to TG operational part 1b.Such as, as shown in Figure 3, tech-generator 1a is set as that axletree produces 3 pulse signals when often turning 1 circle.In addition, the number of pulses often turning 1 circle is not limited to 3 certainly, can set arbitrarily.
Above-mentioned TG operational part 1b calculates operating range based on the pulse signal from tech-generator 1a.TG operational part 1b is such as configured to: in the sampling time T of regulation, the number of pulses of the pulse signal from tech-generator 1a is counted, based on this count value M (in figure 3, the wheel diameter D of the train M=9), preset and axletree often turn the pulse signal generation number Z preset during 1 circle, following formula (1) is utilized to calculate the speed of train, according to the sampling time T of calculated train speed Vtg and pulse signal, following formula (2) is utilized to calculate the operating range of train.In addition, the operating range Ltg in sampling time T also independently can utilize following formula (3) to calculate with train speed Vtg.As shown in Figure 2, the operating range Ltg calculated by TG operational part 1b outputs to arrival judging part 11 described later and the breakdown judge portion 12 of bus equipment 10.
Vtg＝π×D×M/(Z×T) (1)
Ltg＝Vtg×T (2)
Ltg＝π×D×M/Z (3)
Above-mentioned Doppler measurement instrument 2 and above-mentioned GPS measuring instrument 3 are equipped on car independent of tech-generator formula measurement section 1 ground, measure the operating range of train respectively.Like this, in the present embodiment, preliminary measurement portion comprises different multiple measuring instruments 2,3.
Doppler measurement instrument 2 is arranged at the bottom surface etc. of train, be configured to: send electric wave to circuit (railroad track), and receive its reflection wave, thus, utilize the Doppler effect produced by the relative movement between train and circuit to measure the speed of train, and measure the operating range of train.Such as, as shown in Figure 2, Doppler measurement instrument 2 possesses with lower part: doppler sensor 2a, and it sends and receives the electric wave of regulation, and exports Received signal strength; And DP operational part 2b, it calculates the speed of train based on the output signal from this doppler sensor 2a, calculates the operating range of train according to calculated speed Vdp.As shown in Figure 2, the operating range Ldp calculated by DP operational part 2b outputs to and arrives judging part 11 and breakdown judge portion 12.
Although the diagram of omission, GPS measuring instrument 3 comprises general GPS, is configured to the operating range measuring train based on the positional information of the train obtained by this GPS.As shown in Figure 2, the operating range Lgps measured by this GPS measuring instrument 3 is output to and arrives judging part 11 and breakdown judge portion 12.
As shown in Figure 2, above-mentioned bus equipment 10 possesses breakdown judge portion 11 and arrives judging part 12.Tech-generator formula measurement section 1, Doppler measurement instrument 2 and GPS measuring instrument 3 are connected to bus equipment 10, and the On-Board Unit T being arranged at the bottom, front of train etc. is connected to bus equipment 10.On-Board Unit T is configured to: carry out electromagnetic coupled with the ground unit (P0, P1 described later etc.) being arranged at assigned position on the ground, thus receives the range information from overground installation 20.As described later, ground unit P0, the P1 etc. of the side, front being configured at each station are preset, as the ground unit of regulation range information being sent to On-Board Unit T.
Above-mentioned arrival judging part 11 judges whether train has arrived the ground unit of next regulation.Arrive judging part 11 to be such as configured to: carry out arrival based on the range information from ground unit and judge, and carry out arrival judgement based on the positional information of the ground unit preset.Thus, even when there occurs the communication on the ground between unit and On-Board Unit and being bad, also can carry out arrival based on the positional information of ground unit and judge.The arrival based on the range information from above-mentioned ground unit arriving judging part 11 judges, specifically as shown in Figure 1, be configured to: send instruction to obtain from the range information Lp0 of ground unit P0 (side, front at station 1) to next on the ground unit P1 (the ground unit of the side, front at next station 2) and to measure with the operating range of the ground unit P0 train that is benchmark to Doppler measurement instrument 2 and GPS measuring instrument 3 (preliminary measurement portion), when the operating range Ldp from Doppler measurement instrument 2 and at least one party in the value of the operating range Lgps from GPS measuring instrument 3 are consistent with the operating range Lp0 obtained from ground unit P0, be judged as that train has arrived next unit P1 on the ground.In addition, the arrival arriving the positional information of the ground unit based on regulation of judging part 11 judges, be configured to specifically: the positional information being previously stored with the ground unit of regulation, when this positional information is consistent with the positional information of the train such as obtained from GPS measuring instrument 3, be judged as that train has arrived next unit P1 on the ground.
Above-mentioned breakdown judge portion 12 is configured to: according to the measurement result (Ltg) of tech-generator formula measurement section 1, the measurement result (Ldp) of Doppler measurement instrument 2, the measurement result (Lgps) of GPS measuring instrument 3 and the comparative result of the range information Lp0 to ground unit P1 of next regulation that obtains from ground unit P0, judge that tech-generator 1a has non-fault.
In addition, breakdown judge portion 12 is configured to: when being judged as that tech-generator 1a has fault, and the cab monitor 4 to train exports alarm display.Thus, by the failure notification of tech-generator 1a to the driver of train.In addition, breakdown judge portion 12 when being judged as that tech-generator 1a has fault, such as, also can export alarm display via On-Board Unit T and ground unit etc. to overground installation 20.Thus, the monitor of overground installation 20 side on the ground when receiving alarm display carries out alarm display.
Such as, as shown in Figure 2, above-mentioned overground installation 20 is arranged at each station, is configured to: on the upside of car, be sent to the range information Lp0 till the ground unit P1 of next regulation such as the ground unit of the side, front at next station 2 via ground unit P0.In addition, overground installation 20 is configured to: when receiving the alarm display on the upside of from car, send the steering order of train on the upside of car.This steering order can be such as the steering order making cab monitor 4 show " can not set out ", also can be the steering order that logical service brake NB is worked.
Then, the action of the fault detect of the tech-generator in the speed detector of present embodiment is described based on Fig. 2 and Fig. 4.In addition, point following situation is described: AT STATION 1, the range information Lp0 till the unit P1 of next ground is normally obtained via ground unit P0, and train be in stop medium time tech-generator 1a there is disconnected fork (フ ォ ー Network folding れ: tech-generator does not produce the phenomenon of pulse signal), train gets to the station 2 in this condition; And AT STATION 1, because the communication between ground unit P0 and On-Board Unit T is bad etc. and fail to obtain range information Lp0, tech-generator 1a disconnected pitching occurs, train gets to the station 2 in this condition.In addition, assuming that tech-generator formula measurement section 1 (tech-generator 1a), Doppler measurement instrument 2 and GPS measuring instrument 3 can not break down simultaneously.
First, 1 situation that can obtain range information Lp0 from ground unit P0 is AT STATION described.
AT STATION 1, overground installation 20 is sent to the range information Lp0 till the ground unit P1 of the side, front at next station 2 via ground unit P0.And, when train get to the station 1 time, On-Board Unit T is relative with ground unit P0 and normally carry out electromagnetic coupled, bus equipment 10 obtains the range information Lp0 till the ground unit P1 of the side, front at next station 2 via On-Board Unit T, export range information Lp0 to arrival judging part 11 and breakdown judge portion 12.
At this, arrive judging part 11 from omit illustrated on (in fig. 2 for left side) station etc. the range information Lp to the unit P0 of ground obtained for the ground unit P of transmission range information with this ground unit P for benchmark and consistent with the range information obtained from ground unit P with at least one party in the operating range Ldp that GPS measuring instrument 3 is measured and operating range Lgps by Doppler measurement instrument 2 time, be judged as train unit P0 on arrival point, send instruction to Doppler measurement instrument 2 and GPS measuring instrument 3 thus measure with the operating range of the ground unit P0 train that is benchmark.Now, arrive judging part 11 and also carry out the supervision whether consistent with the positional information of the train obtained from GPS measuring instrument 3 of the positional information of the ground unit P0 preset.
And, AT STATION 1, breakdown judge portion 12 is judged as on arrival point during unit P0 arriving judging part 11, the measurement result (Ltg) of the range information Lp obtained from ground unit P and tech-generator formula measurement section 1 is compared, be judged as that the error of Lp0 and Ltg is below predetermined 1st threshold value, such as, monitor to cab monitor 4 and overground installation 20 exports the normal display of expression tech-generator 1a.
When train sets out to station 2, Doppler measurement instrument 2 and GPS measuring instrument 3 based on from the instruction arriving judging part 11, are measured respectively with the operating range of the ground unit P0 train that is benchmark.On the other hand, the 1 tech-generator 1a resolving fork is at train from station 1 to the driving process of station 2 AT STATION, as shown in Figure 4, is exported by pulse signal fewer than (with reference to Fig. 3) time normal for the number of pulses often turning 1 circle to TG operational part 1b.And, arrive judging part 11 when the operating range Ldp from Doppler measurement instrument 2 and at least one party in the operating range Lgps from GPS measuring instrument 3 are consistent with the operating range Lp0 obtained from ground unit P0, be judged as that train has arrived next unit P1 on the ground.
And, breakdown judge portion 12 is judged as on arrival point during unit P1 arriving judging part 11, the measurement result (Ltg) of the range information Lp0 obtained from ground unit P0 and tech-generator formula measurement section 1 is compared, detect that the error of Lp0 and Ltg has exceeded predetermined 1st threshold value, be judged as that tech-generator 1a has fault, export alarm display to the cab monitor 4 of train and the monitor of overground installation 20.
Then, 1 situation failing to obtain from ground unit P0 range information Lp0 is AT STATION described.In addition, the arrival judgement at station 1 and breakdown judge are identical with the situation that can obtain above-mentioned range information, therefore explanation are simplified.
Bus equipment 10 train get to the station 1 time, due to On-Board Unit T and the communication on the ground between unit P0 bad and cause obtaining failure from the range information Lp0 of ground unit P0 to next on the ground unit P1.
At this, AT STATION 1, arrive judging part 11 and be judged as train unit P0 on arrival point, send instruction to Doppler measurement instrument 2 and GPS measuring instrument 3 thus measure with the operating range of the ground unit P0 train that is benchmark.Thereafter, train sets out to station 2.Further, Doppler measurement instrument 2 and GPS measuring instrument 3 start the measurement of the operating range of train respectively.On the other hand, the pulse signal than number of pulses few time normal exports to TG operational part 1b by the tech-generator 1a resolving fork.Further, arrive judging part 11 when the positional information of the train obtained from GPS measuring instrument 3 is consistent with the positional information of the ground unit P1 preset, be judged as that train has arrived next unit P1 on the ground.
And, breakdown judge portion 12 is judged as on arrival point during unit P1 arriving judging part 11, at least one party such as in the error of Ltg and Ldp and the error of Ltg and Lgps exceedes predetermined 1st threshold value, be judged as that tech-generator 1a has fault, the monitor to cab monitor 4 and overground installation 20 exports alarm display.
According to the speed detector of described present embodiment, be configured to not only according to the measurement result of tech-generator formula measurement section 1 and the comparing of the range information from ground unit of measuring the operating range of train based on the train speed from tech-generator 1a, also according to measurement result and preliminary measurement portion (the Doppler measurement instrument 2 of tech-generator formula measurement section 1, GPS measuring instrument 3) the comparison of measurement result, judge that tech-generator 1a has non-fault, therefore, when due to communicate bad grade and fail to obtain information from ground unit, the measurement result can carrying out tech-generator formula measurement section 1 and comparing as the Doppler measurement instrument 2 in preliminary measurement portion and the measurement result of GPS measuring instrument 3, judge that tech-generator 1a has non-fault.Like this, the speed detector that reliably can detect the fault of tech-generator 1a can be provided.
As the method for the breakdown judge in the breakdown judge portion 12 failed obtaining range information Lp0 from ground unit P0, be not limited to following formation: carry out comparing of the measurement result Ltg of tech-generator formula measurement section 1 and the measurement result Ldp of Doppler measurement instrument 2 and comparing of the measurement result Ltg of tech-generator formula measurement section 1 and the measurement result Lgps of GPS measuring instrument 3, at least one party in respective error is more than the 1st threshold value, be judged as that tech-generator 1a has fault, such as also can be configured to: the comparison carrying out Ltg and Ldp, the comparison of Ltg and Lgps and the comparison of Ldp and Lgps, when the error delta L1 of Ltg and Ldp and Ltg and Lgps error delta L2 all more than the 1st threshold value and the error delta L3 of Ldp and Lgps is below the 1st threshold value, be judged as fault, can also be configured to: carry out the comparison of Ltg and Ldp and Ltg and Lgps relatively in predetermined any one compare, when its error is more than the 1st threshold value, be judged as fault.
In addition, as the method for the breakdown judge in the breakdown judge portion 12 when obtaining range information Lp0 from ground unit P0, be not limited to following formation: carry out the measurement result Ltg of tech-generator formula measurement section 1 and comparing of the range information Lp0 from ground unit P0, when its error exceedes predetermined 1st threshold value, be judged as fault, also can be configured to: except the comparing of the measurement result Ltg that carries out tech-generator formula measurement section 1 and the range information Lp0 from ground unit P0, also carry out comparing of the measurement result Ltg of tech-generator formula measurement section 1 and the measurement result Ldp of Doppler measurement instrument 2 and comparing of the measurement result Ltg of tech-generator formula measurement section 1 and the measurement result Lgps of GPS measuring instrument 3, when arbitrary error is more than the 1st threshold value, be judged as fault, can also be configured to: except carry out Ltg and Lp0 relatively except, also carry out the comparison of Ltg and Ldp and Ltg and Lgps relatively in predetermined any one compare, when its error is more than the 1st threshold value, be judged as fault.
In addition, breakdown judge portion 12 is not limited to the breakdown judge of tech-generator 1a, also can be configured to the fault that can also judge Doppler measurement instrument 2 and GPS measuring instrument 3.Such as, breakdown judge portion 12 calculates the error delta L1 of the measurement result Ltg of tech-generator formula measurement section 1 and the measurement result Ldp of Doppler measurement instrument 2, the error delta L3 of the measurement result Lgps of the error delta L2 of the measurement result Ltg of tech-generator formula measurement section 1 and the measurement result Lgps of GPS measuring instrument 3 and the measurement result Ldp of Doppler measurement instrument 2 and GPS measuring instrument 3, when Δ L1 is less than the 1st threshold value and Δ L2 and Δ L3 is more than 1st threshold value, be judged as that GPS measuring instrument 3 there occurs fault, when Δ L2 is less than the 1st threshold value and Δ L1 and Δ L3 is more than 1st threshold value, be judged as that Doppler measurement instrument 2 there occurs fault.
In addition, in FIG, in order to figure is simplified, illustrate only the ground unit of the side, such as front at each station, but much less, AT STATION, along station setting, have multiple grounds unit.In the present embodiment, as the ground unit exporting range information to On-Board Unit T, being illustrated with the situation of the side, front at each station, but being not limited thereto, set arbitrarily from being provided with among multiple ground unit.
Further, in the present embodiment, situation preliminary measurement portion being comprised to Doppler measurement instrument 2 and GPS measuring instrument 3 is illustrated, but is not limited thereto, and also can use the measuring instrument of other metering system.In addition, preliminary measurement portion is not limited to the situation comprising different multiple measuring instruments (Doppler measurement instrument 2, GPS measuring instrument 3 etc.), and also can arrange the measuring instrument of multiple identical type, measuring instrument also can be 1.When being provided with the measuring instrument of multiple identical type or when arranging 1 measuring instrument, this measuring instrument can be such as Doppler measurement instrument, also can be GPS measuring instrument, can also be the measuring instrument of other metering system.
In addition, in the present embodiment, situation breakdown judge portion 12 being exported all the time to alarm display when being judged as that tech-generator 1a has fault is described, but is not limited thereto, also can be configured to the fault degree according to tech-generator 1a, export alarm display.Breakdown judge portion 12 such as also can preset the 2nd threshold value of the regulation larger than the 1st threshold value, using the size of error delta L1 of the measurement result Ldp of the measurement result Ltg of tech-generator formula measurement section 1 and Doppler measurement instrument 2 and the size of the error delta L2 of the measurement result Ltg of tech-generator formula measurement section 1 and the measurement result Lgps of GPS measuring instrument 3 as fault degree, at least one party in this fault degree exceedes predetermined 2nd threshold value, export alarm display.Thereby, it is possible to fault will be judged as by breakdown judge portion 12 and fault degree be the situation of below the 2nd threshold value as minor failure, when this minor failure, do not export alarm display.In addition, be not limited thereto, also can using the number of stoppages of tech-generator 1a as fault degree, such as, under detecting out of order situation at continuous 3 times, export alarm display, fault degree can also be set to the combination of the number of times of fault and error etc.In addition, to the display that the speed of alarm indication example as also comprised tech-generator of the monitor of the cab monitor 4 of train, overground installation 20 is high or lower than actual speed.
In addition, in the present embodiment, be set to the formation possessed with lower part: tech-generator formula measurement section, it is equipped on car, based on the output signal from above-mentioned tech-generator, measures the operating range of train, preliminary measurement portion, it is equipped on car independent of above-mentioned tech-generator formula measurement section, based on the signal different from the output signal from tech-generator, measures the operating range of train, arrive judging part, it judges whether above-mentioned train has arrived the ground unit of next regulation above-mentioned, and breakdown judge portion, it is when above-mentioned arrival judging part is judged as the ground unit arriving next regulation above-mentioned, when failing to obtain above-mentioned range information from above-mentioned ground unit, according to the comparative result of the measurement result of above-mentioned tech-generator formula measurement section and the measurement result in above-mentioned preliminary measurement portion, judge that above-mentioned tech-generator has non-fault, but be not limited to this formation, form as long as speed detector of the present invention is following: the output signal based on tech-generator detects train speed, according to the operating range of the train measured based on the output signal from the above-mentioned tech-generator be equipped on car, the operating range of the train measured by the mechanism different from tech-generator and the comparative result of the range information to ground unit of next regulation obtained from ground unit, judge that above-mentioned tech-generator has non-fault.
description of reference numerals
1 tech-generator formula measurement section
1a tech-generator
2,3 preliminary measurement portions (Doppler measurement instrument, GPS measuring instrument)
4 cab monitor
10 bus equipments
11 arrive judging part
12 breakdown judge portions
20 overground installations
P0, P1 be unit on the ground
T On-Board Unit
Claims (7)
1. a speed detector,
Output signal based on tech-generator detects train speed, it is characterized in that,
According to the operating range of the train measured based on the output signal from the above-mentioned tech-generator be equipped on car, the operating range of train measured by the mechanism different from above-mentioned tech-generator and the comparative result of the range information to the ground unit that next specifies that obtains from ground unit, judge that above-mentioned tech-generator has non-fault.
2. speed detector according to claim 1, is characterized in that, possesses:
Tech-generator formula measurement section, it is equipped on above-mentioned car, measures the operating range of train based on the output signal from above-mentioned tech-generator;
Preliminary measurement portion, it is equipped on car independent of above-mentioned tech-generator formula measurement section, based on the signal different from the output signal from above-mentioned tech-generator, measures the operating range of train;
Breakdown judge portion, it, according to the measurement result of above-mentioned tech-generator formula measurement section, the measurement result in above-mentioned preliminary measurement portion and the comparative result of above-mentioned range information that obtains from above-mentioned ground unit, judges that above-mentioned tech-generator has non-fault; And
Arrive judging part, it judges whether above-mentioned train has arrived the ground unit of next regulation above-mentioned,
When above-mentioned arrival judging part is judged as the ground unit arriving next regulation above-mentioned, when failing to obtain above-mentioned range information from above-mentioned ground unit, above-mentioned breakdown judge portion, according to the comparative result of the measurement result of above-mentioned tech-generator formula measurement section and the measurement result in above-mentioned preliminary measurement portion, judges that above-mentioned tech-generator has non-fault.
3. speed detector according to claim 1, is characterized in that,
Above-mentioned breakdown judge portion is when being judged as that above-mentioned tech-generator has fault, and the cab monitor to above-mentioned train exports alarm display.
4. speed detector according to claim 1, is characterized in that,
Above-mentioned breakdown judge portion, when being judged as that above-mentioned tech-generator has fault, exports alarm display to overground installation.
5. speed detector according to claim 4, is characterized in that,
The steering order of above-mentioned train, when receiving above-mentioned alarm display, sends by above-mentioned overground installation on the upside of car.
6. speed detector according to claim 3, is characterized in that,
Above-mentioned breakdown judge portion, according to the fault degree of above-mentioned tech-generator, exports above-mentioned alarm display.
7. speed detector according to claim 3, is characterized in that,
It is high or low display that above-mentioned alarm shows the speed comprising above-mentioned tech-generator.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012083036A JP5856527B2 (en) | 2012-03-30 | 2012-03-30 | Speed detection device |
| JP2012-083036 | 2012-03-30 | ||
| PCT/JP2013/057686 WO2013146428A1 (en) | 2012-03-30 | 2013-03-18 | Speed detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104220880A true CN104220880A (en) | 2014-12-17 |
| CN104220880B CN104220880B (en) | 2016-11-30 |
Family
ID=
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107709134A (en) * | 2015-07-01 | 2018-02-16 | 株式会社东芝 | Control apparatus for electric railcar |
| CN108459270A (en) * | 2017-02-17 | 2018-08-28 | 东元电机股份有限公司 | The abnormal state detection system and detection method of motor output speed |
| CN108663534A (en) * | 2017-03-30 | 2018-10-16 | 比亚迪股份有限公司 | Train and its speed-measuring method and system |
| US10180369B2 (en) | 2016-03-25 | 2019-01-15 | Lsis Co., Ltd. | Fault diagnosis apparatus for brake of train and automatic train operation equipment due to the reduction braking performance using the same and fault diagnosis method for brake of train |
| CN109992600A (en) * | 2019-03-28 | 2019-07-09 | 佛山市百斯特电器科技有限公司 | A kind of response method and equipment of equipment fault |
| CN110914710A (en) * | 2017-06-01 | 2020-03-24 | 株式会社京三制作所 | Position detection device and position detection system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02293667A (en) * | 1989-05-08 | 1990-12-04 | Hitachi Ltd | Train speed detection system |
| CN2088256U (en) * | 1991-01-31 | 1991-11-06 | 郭忠义 | Multifunctional digital velocimeter for locomotive |
| JP2000264778A (en) * | 1999-03-15 | 2000-09-26 | Super Silicon Kenkyusho:Kk | Handling jig for heater unit used in single crystal production device |
| JP2003315354A (en) * | 2002-04-18 | 2003-11-06 | Nippon Signal Co Ltd:The | Speed detection device |
| CN101846692A (en) * | 2010-05-10 | 2010-09-29 | 唐德尧 | Rotating speed tracking and sampling and spectrum number curing and analyzing method of variable speed mechanical fault diagnosis |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02293667A (en) * | 1989-05-08 | 1990-12-04 | Hitachi Ltd | Train speed detection system |
| CN2088256U (en) * | 1991-01-31 | 1991-11-06 | 郭忠义 | Multifunctional digital velocimeter for locomotive |
| JP2000264778A (en) * | 1999-03-15 | 2000-09-26 | Super Silicon Kenkyusho:Kk | Handling jig for heater unit used in single crystal production device |
| JP2003315354A (en) * | 2002-04-18 | 2003-11-06 | Nippon Signal Co Ltd:The | Speed detection device |
| CN101846692A (en) * | 2010-05-10 | 2010-09-29 | 唐德尧 | Rotating speed tracking and sampling and spectrum number curing and analyzing method of variable speed mechanical fault diagnosis |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107709134A (en) * | 2015-07-01 | 2018-02-16 | 株式会社东芝 | Control apparatus for electric railcar |
| CN107709134B (en) * | 2015-07-01 | 2020-02-11 | 株式会社东芝 | Electric car control device |
| US10180369B2 (en) | 2016-03-25 | 2019-01-15 | Lsis Co., Ltd. | Fault diagnosis apparatus for brake of train and automatic train operation equipment due to the reduction braking performance using the same and fault diagnosis method for brake of train |
| CN108459270A (en) * | 2017-02-17 | 2018-08-28 | 东元电机股份有限公司 | The abnormal state detection system and detection method of motor output speed |
| CN108459270B (en) * | 2017-02-17 | 2020-08-14 | 东元电机股份有限公司 | System and method for detecting abnormal state of motor output speed |
| CN108663534A (en) * | 2017-03-30 | 2018-10-16 | 比亚迪股份有限公司 | Train and its speed-measuring method and system |
| CN110914710A (en) * | 2017-06-01 | 2020-03-24 | 株式会社京三制作所 | Position detection device and position detection system |
| CN110914710B (en) * | 2017-06-01 | 2023-06-27 | 株式会社京三制作所 | Position detection system |
| CN109992600A (en) * | 2019-03-28 | 2019-07-09 | 佛山市百斯特电器科技有限公司 | A kind of response method and equipment of equipment fault |
| CN109992600B (en) * | 2019-03-28 | 2021-09-07 | 佛山市百斯特电器科技有限公司 | Response method and device for equipment fault |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013146428A1 (en) | 2013-10-03 |
| KR101868999B1 (en) | 2018-06-20 |
| KR20140143180A (en) | 2014-12-15 |
| IN2014DN08755A (en) | 2015-05-22 |
| JP5856527B2 (en) | 2016-02-09 |
| BR112014023440A2 (en) | 2021-06-01 |
| JP2013213686A (en) | 2013-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2014272135B2 (en) | Broken rail detection system for communications-based train control | |
| CN105501256B (en) | A kind of middle low speed magnetic suspension train combination speed-position detection device | |
| US9102239B2 (en) | Train speed measuring device and method | |
| CN103826958B (en) | train control system | |
| CN203158028U (en) | Obstacle detection chain based train operation safety control device | |
| US9555821B2 (en) | Standstill determination in a rail vehicle | |
| CN103192853A (en) | Train speed measurement and location method and system based on network distributed redundancy framework | |
| US10974747B2 (en) | On-board system and train occupancy range calculation method | |
| CN103786755A (en) | Axis counter fault detection method based on zone controller (ZC) system | |
| CN103158743A (en) | Rail train protection multifunctional method with positioning, velocity measurement and meter counting functions and the like | |
| CN104024070A (en) | Method and arrangement for monitoring a brake system of a brake arrangement of a rail vehicle | |
| JP2013141891A (en) | Railroad signal system using power supply system | |
| EP2873585A1 (en) | A method and a system for monitoring the operability of a balise | |
| WO2024067481A1 (en) | Railway vehicle pantograph-catenary wear anomaly detection method and apparatus, and storage medium | |
| CN103818406A (en) | Subway auxiliary collision avoidance system and subway auxiliary collision avoidance method | |
| CN103350707A (en) | Train velocity measuring system and velocity measuring method through track proximity switches | |
| CN106740902B (en) | A kind of monitoring method of track train zero-speed state | |
| KR101868999B1 (en) | Speed detection device | |
| WO2017150618A1 (en) | Collected current monitoring device | |
| WO2017078017A1 (en) | Collected current monitoring device | |
| AU2009249806B2 (en) | Device for the detection of the occupied or free state of a track section | |
| CN202163456U (en) | Railroad switch occupation detecting device based on stress sensor | |
| CN104220880B (en) | Speed detector | |
| KR101858301B1 (en) | Apparatus for determining train velocity | |
| KR101019127B1 (en) | Measuring apparatus of vehicle velocity and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |