CN207550202U - The auxiliary control circuit that safety tread adaptively stretches out - Google Patents
The auxiliary control circuit that safety tread adaptively stretches out Download PDFInfo
- Publication number
- CN207550202U CN207550202U CN201721782956.7U CN201721782956U CN207550202U CN 207550202 U CN207550202 U CN 207550202U CN 201721782956 U CN201721782956 U CN 201721782956U CN 207550202 U CN207550202 U CN 207550202U
- Authority
- CN
- China
- Prior art keywords
- door
- safety tread
- comparator
- output terminal
- control circuit
- 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.)
- Expired - Fee Related
Links
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The auxiliary control circuit that safety tread adaptively stretches out, belongs to railroad train field, and the utility model is to solve the problems, such as that the scheme of existing safety tread stretching regular length there will still likely be security risk.The utility model safety tread is arranged under train door, the automatic telescopic under the control of Train Control room；The auxiliary control circuit includes m groups ultrasonic detecting unit, n groups pressure sensing cell, limit switch or door D1~D3；Ultrasonic detecting unit includes ultrasonic range finder sensor, comparator A1 and slide rheostat R1；Pressure sensing cell includes pressure sensor, comparator A2 and slide rheostat R2；M ultrasonic range finder sensor and n pressure sensor scattering device are on the front end face of safety tread；Limit switch is arranged on train door bottom；The output terminal of D1, D2 and the signal output end of limit switch are connected respectively with three input terminals of D3；The stop signal of the output terminal output safety pedal extending action of D3 gives Train Control room.
Description
Technical field
The utility model belongs to railroad train field, is related to the control technology of safety tread.
Background technology
When passenger train in-track platform is stopped, attendant is needed to spread lastblock between Train door and platform and is stepped on safely
Plate, passenger safety to be facilitated to pass through.
As train constantly updates, while the service for many hommizations of having followed up, for example present train is mostly not
Attendant is needed to open Door by Hand and be laid with manually safety tread, but Train door is automatically turned on after stopping, while from train vehicle
Door bottom auto-extending safety tread, so that passenger uses.
Existing safety tread is to stretch out regular length under program control, to make up between train and platform as possible
Gap.Due to platform construction and non-modular designs, gap between different platforms and train simultaneously differs, and existing peace
The damage situations that full pedal causes in order to prevent with platform hard contact, the design size of safety tread extension elongation can compare train
Practical gap between platform is short, it is this design the problem is that：Stretch out safety tread and platform after regular length it
Between also passenger can be caused to still have security risk when getting off there are wide or narrow gap.
Invention content
The utility model aim is to there will still likely be safety to solve the scheme of existing safety tread stretching regular length
The problem of hidden danger, provides the auxiliary control circuit that a kind of safety tread adaptively stretches out.
The auxiliary control circuit that safety tread described in the utility model adaptively stretches out, safety tread 1 are arranged on train door
Under, the automatic telescopic under the control of Train Control room；
The auxiliary control circuit include m groups ultrasonic detecting unit, n groups pressure sensing cell, limit switch or door D1,
Or door D2 and/or door D3；
Ultrasonic detecting unit includes ultrasonic range finder sensor 2, comparator A1 and slide rheostat R1, ultrasonic range finder sensor
2 output terminal is connected with the inverting input of comparator A1, and the in-phase input end of comparator A1 is grounded by slide rheostat R1,
Output terminal of the output terminal of comparator A1 as ultrasonic detecting unit, and with or an input terminal of door D1 be connected；The ultrasound inspection of m groups
Survey the output terminal of unit respectively with or the m input terminal of door D1 be connected one by one；
Pressure sensing cell includes pressure sensor 3, comparator A2 and slide rheostat R2；The output of pressure sensor 3
End is connected with the in-phase input end of comparator A2, and the inverting input of comparator A2 is grounded by slide rheostat R2, comparator
Output terminal of the output terminal of A2 as pressure sensing cell, and with or an input terminal of door D2 be connected；N group pressure sensing cells
Output terminal respectively with or the n input terminal of door D2 be connected one by one；
M 2 scattering device of ultrasonic range finder sensor is on the front end face of safety tread 1；The n dispersion of pressure sensor 3 is set
It puts on the front end face of safety tread 1；M ultrasonic range finder sensor 2 and n pressure sensor 3 are interspersed；
Limit switch is arranged on train door bottom, for limiting the longest outreach of safety tread 1；
The output terminal of door D1 or the signal output end of the output terminal of door D2 and limit switch respectively with or three of door D3
Input terminal is connected；Or the stop signal of 1 extending action of output terminal output safety pedal of door D3 gives Train Control room.
Preferably, ultrasonic range finder sensor 2 monitor apart from platform edge be D when, comparator A1 output high level signal,
D=2~5mm.
Preferably, when pressure sensor 3 monitors the pressure signal more than 0, comparator A2 output high level signals.
Preferably, m value ranges are [3,10], and n value ranges are [3,10].
Preferably, ultrasonic range finder sensor 2 is distributed in the region on the upper side of 1 front end face of safety tread and/or region on the lower side, pressure
Force snesor 3 is distributed in the intermediate region of 1 front end face of safety tread.
The beneficial effects of the utility model：The utility model is the increased auxiliary in basis in the original control system of train
Control circuit, it is intended to train, which stops the safety tread stretched out after platform, adaptively to be stretched out, i.e., extension elongation is no longer fixed value,
But corresponding length is intelligently stretched out according to different situations of the train apart from platform, the gap between train and platform is supplied as possible,
There is no security risks when making passenger's pedal safe to use.
The new auxiliary control circuit of this practicality provides stop signal reported as precisely as possible and gives Train Control room, and safety tread is enabled to stop
In the position as near as possible with platform, meanwhile, prevent safety tread and mechanical damage caused by platform hard contact.
Description of the drawings
Fig. 1 is the structure diagram of train safety folding step described in the utility model；
Fig. 2 is sensor distribution map；
Fig. 3 is the control principle drawing for the auxiliary control circuit that safety tread described in the utility model adaptively stretches out；
Fig. 4 is that safety tread is concordant with platform, and the relative position relation figure that platform side wall is straight；
Fig. 5 is that safety tread is higher than platform, the relative position relation figure that platform side wall is straight；
Fig. 6 is that safety tread is concordant with platform, and platform side wall has the relative position relation figure of preceding nosing youngster；
Fig. 7 is that full pedal is concordant with platform, and the uneven relative position relation figure of platform side wall.
Specific embodiment
The embodiment of the utility model is described in detail below with reference to accompanying drawings and embodiments, whereby to the utility model
How applied technology method solves technical problem, and the realization process for reaching technique effect can fully understand and implement according to this.
If it should be noted that do not form conflict, each feature in each embodiment and each embodiment in the utility model
It can be combined with each other, the technical solution formed is within the protection scope of the utility model.
The utility model provide three-level monitoring, make safety tread as far as possible with platform there are minimum aperture, and will not because with
Platform carries out hard contact and causes mechanical damage.
The first order monitors：Ultrasonography monitoring, the m ultrasonic range finder sensor 2 set using the front end face of safety tread 1 are monitored
Distance apart from platform, any one ultrasonic range finder sensor 2 monitor that the distance D apart from platform reaches setting value, A1 outputs
High level, the setting value are 2~5mm, and setting value is adjusted by R1.If A1 exports high level, i.e. the m input termination of D1
Enter a high level 1, then D1 exports high level, and D3 exports high level and gives Train Control room, i.e. auxiliary control circuit feeds back to row
Vehicle control room sends safety tread stop signal, and halt instruction is assigned in Train Control room according to this feedback signal, and control performs
Mechanism is out of service.Safety tread 1 is made to stop apart from the position of 2~5mm of platform using ultrasonography monitoring, the gap is small, does not influence
Passenger passes through.
Referring to Fig. 4, the safety tread 1 of this figure is concordant with platform, and platform side wall is straight, with 1 front end face of safety tread
The parallel correspondence of all the sensors, then it is auxiliary when any one ultrasonic range finder sensor 2 monitors to reach setting value with the distance of platform
Control circuit is helped to export stop signal and gives Train Control room.
Referring to Fig. 5, the safety tread 1 of this figure is higher than platform, and the supersonic sounding in 1 front end face of safety tread region on the upper side passes
Sensor 2 is staggered with platform, i.e., the distance that the ultrasonic range finder sensor 2 in the region monitors will not reach setting value always, and on the lower side
The ultrasonic range finder sensor 2 in region can monitor the distance with platform, and when reaching setting value, auxiliary control circuit output stops letter
Number.
Referring to Fig. 6, the safety tread 1 of this figure is concordant with platform, but platform side wall has a preceding nosing youngster, preceding nosing youngster with it is on the upper side
The ultrasonic range finder sensor 2 in region, the ultrasonic range finder sensor 2 in region on the lower side is then corresponding with the side wall inwardly withdrawn, then on the upper side
The distance that the ultrasonic range finder sensor 2 in region and region on the lower side monitors is different, and the ultrasonic range finder sensor 2 in region on the upper side first monitors
Setting value is reached, auxiliary control circuit is enabled to export stop signal.
Three cases above be consider platform physical form it is different and with the features such as whether safety tread 1 concordant and set
The scheme of meter lays multiple ultrasonic range finder sensors 2, whichsoever monitors that the distance between platform reaches setting value all
Output high level (stop signal) can be triggered and give Train Control room, to prevent due to misplacing with 1 relative position of safety tread, safety
Pedal 1, which stretches out, excessively causes mechanical damage.
The second level monitors：Pressure monitoring, also there are a kind of situation be platform side wall it is uneven, such as Fig. 7, platform side wall is
Arc-shaped, if the monitoring signals of ultrasonic range finder sensor 2 are only considered, when monitoring apart from platform for ultrasonic range finder sensor 2
Reach setting value when, safety tread 1 with platform occur hard contact, and platform side wall projection portion or safety tread 1 by
Damage, such case generation in order to prevent, the utility model devises second level monitoring, even if ultrasonic range finder sensor 2 does not reach
Setting value, but when any pressure sensor 3 monitors that pressure is more than 0, A2 is enabled to export high level, then D2 exports high level, D3
It exports high level stop signal and gives Train Control room.
Second level monitoring is not limited to situation shown in Fig. 7, is also applied for the other irregular shapes of platform side wall.
The third level monitors：Limiting.It, may be due to train and station when ultrasound, pressure do not trigger output stop signal
Platform is too long, and the curtailment of safety tread 1 should also give Train Control room to feed back stop signal at this time to be further continued for stretching out, because
This, is provided with limit switch under train door, and safety tread 1 stretches out whole process, and tail end can touch limit switch, then D3 has one
A input terminal is high level, then D3 exports high level stop signal and gives Train Control room.
Although the embodiment disclosed by the utility model is as above, the content is only to facilitate understand this practicality
Novel and use embodiment, is not limited to the utility model.Skill in any the utility model technical field
Art personnel, can be in the formal and details of implementation under the premise of the spirit and scope disclosed by the utility model are not departed from
On make any modification and variation, but the scope of patent protection of the utility model, must still be defined with appended claims
Range subject to.
Claims (5)
1. the auxiliary control circuit that safety tread adaptively stretches out, safety tread (1) is arranged under train door, in Train Control room
Control under automatic telescopic；
It is characterized in that, the auxiliary control circuit include m groups ultrasonic detecting unit, n groups pressure sensing cell, limit switch,
Or door D1 or door D2 and/or door D3；
Ultrasonic detecting unit includes ultrasonic range finder sensor (2), comparator A1 and slide rheostat R1, ultrasonic range finder sensor
(2) output terminal is connected with the inverting input of comparator A1, and the in-phase input end of comparator A1 is connect by slide rheostat R1
Ground, the output terminal of the output terminal of comparator A1 as ultrasonic detecting unit, and with or an input terminal of door D1 be connected；M groups are super
The output terminal of sound detection unit respectively with or the m input terminal of door D1 be connected one by one；
Pressure sensing cell includes pressure sensor (3), comparator A2 and slide rheostat R2；The output of pressure sensor (3)
End is connected with the in-phase input end of comparator A2, and the inverting input of comparator A2 is grounded by slide rheostat R2, comparator
Output terminal of the output terminal of A2 as pressure sensing cell, and with or an input terminal of door D2 be connected；N group pressure sensing cells
Output terminal respectively with or the n input terminal of door D2 be connected one by one；
M ultrasonic range finder sensor (2) scattering device is on the front end face of safety tread (1)；N pressure sensor (3) dispersion
It is arranged on the front end face of safety tread (1)；M ultrasonic range finder sensor (2) and n pressure sensor (3) are interspersed；
Limit switch is arranged on train door bottom, for limiting the longest outreach of safety tread (1)；
The output terminal of door D1 or the signal output end of the output terminal of door D2 and limit switch respectively with or three of door D3 inputs
End is connected；Or the stop signal of output terminal output safety pedal (1) extending action of door D3 gives Train Control room.
2. the auxiliary control circuit that safety tread adaptively stretches out according to claim 1, which is characterized in that supersonic sounding passes
Sensor (2) monitor apart from platform edge be D when, comparator A1 output high level signal, D=2~5mm.
3. the auxiliary control circuit that safety tread adaptively stretches out according to claim 1, which is characterized in that pressure sensor
(3) when monitoring the pressure signal more than 0, comparator A2 output high level signals.
4. the auxiliary control circuit that safety tread adaptively stretches out according to claim 1, which is characterized in that m value ranges
For [3,10], n value ranges are [3,10].
5. the auxiliary control circuit that safety tread adaptively stretches out according to claim 1, which is characterized in that supersonic sounding passes
Sensor (2) is distributed in the region on the upper side of safety tread (1) front end face and/or region on the lower side, and pressure sensor (3) is distributed in safety
The intermediate region of pedal (1) front end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782956.7U CN207550202U (en) | 2017-12-19 | 2017-12-19 | The auxiliary control circuit that safety tread adaptively stretches out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782956.7U CN207550202U (en) | 2017-12-19 | 2017-12-19 | The auxiliary control circuit that safety tread adaptively stretches out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207550202U true CN207550202U (en) | 2018-06-29 |
Family
ID=62663524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721782956.7U Expired - Fee Related CN207550202U (en) | 2017-12-19 | 2017-12-19 | The auxiliary control circuit that safety tread adaptively stretches out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207550202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111717226A (en) * | 2019-03-21 | 2020-09-29 | 比亚迪股份有限公司 | Train pedal control method and device |
| EP3895951A1 (en) * | 2020-04-14 | 2021-10-20 | Bombardier Transportation GmbH | Passenger car provided with a vestibule located above a bogie and with an external access step at a side doorway |
-
2017
- 2017-12-19 CN CN201721782956.7U patent/CN207550202U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111717226A (en) * | 2019-03-21 | 2020-09-29 | 比亚迪股份有限公司 | Train pedal control method and device |
| EP3895951A1 (en) * | 2020-04-14 | 2021-10-20 | Bombardier Transportation GmbH | Passenger car provided with a vestibule located above a bogie and with an external access step at a side doorway |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207550202U (en) | The auxiliary control circuit that safety tread adaptively stretches out | |
| CN106183983A (en) | A kind of opening door of vehicle CAS and method | |
| CN104061963B (en) | A kind of railway is powered insulator contamination on-line detecting system | |
| CN205939920U (en) | Refrigerator of to prevent children from open by mistake door | |
| CN103023476A (en) | Response method and control system of capacitive sensing type touch key | |
| CN104035007A (en) | Short-air-gap breakdown prewarning method of high-voltage electrical equipment | |
| CN104237712B (en) | Island detection method and device and island disposal system | |
| CN102937879B (en) | There are mobile terminal and the two touch unlock methods of two touch system for unlocking | |
| CN106553558A (en) | Can the actual charging pile system of electric automobile for taking charging parking position duration of statistics | |
| CN105920830A (en) | Electric skateboard safety protection method based on weight sensing | |
| CN107702679A (en) | The detection means and detection method of bus capacitor, electric equipment | |
| CN204091111U (en) | Early-warning for high pressure insulating boot | |
| CN107765141A (en) | A kind of bullet train roof insulator dielectric condition monitoring system | |
| CN207001934U (en) | A kind of Fire lift intelligently calibrated with floor | |
| CN202704745U (en) | Lift car unbalance loading automatic detector | |
| CN205120228U (en) | High -speed dynamic weighing system of strap formula | |
| CN104183671B (en) | A kind of jam alarm method and system | |
| CN107147140A (en) | A kind of DC transmission system power instruction deviation monitoring device and deviation monitoring method | |
| CN107680256A (en) | A kind of self-service machine for being capable of failure prompting | |
| CN206321341U (en) | A kind of collision detecting device for electrically-charging equipment | |
| CN202470977U (en) | Airplane part profile verifying apparatus | |
| CN205368968U (en) | A high -speed intelligent automatic check out system of barrier for road roller | |
| CN204902831U (en) | Wire pole gradient monitoring devices | |
| CN205317155U (en) | Novel high altitude construction , range finding of jack -up vehicle fill arm device | |
| CN205788597U (en) | A kind of charging pile burglary-resisting system based on laser ranging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20181219 |