CN104267650A - Railway station extension ladder signal interlock control device - Google Patents
Railway station extension ladder signal interlock control device Download PDFInfo
- Publication number
- CN104267650A CN104267650A CN201410548571.9A CN201410548571A CN104267650A CN 104267650 A CN104267650 A CN 104267650A CN 201410548571 A CN201410548571 A CN 201410548571A CN 104267650 A CN104267650 A CN 104267650A
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- CN
- China
- Prior art keywords
- extension ladder
- power supply
- control device
- controller
- sensor
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- 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.)
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2621—Conveyor, transfert line
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a railway station extension ladder signal interlock control device. The railway station extension ladder signal interlock control device comprises a plurality of control units, each railway station extension ladder is provided with one control unit, and control signals of each control unit are connected through logical AND and then are connected to a signal lamp controller. Each control unit comprises an indicator lamp, an alarm, a sensor and a control board, wherein the control board comprises a transformer, a rectifier filter module, a switching power supply, a controller, a single-chip microcomputer, an indicator lamp driver, a relay, an audio frequency amplifier and a photoelectric coupler, the transformer is connected with the switching power supply through the rectifier filter module, the switching power supply is connected with the controller, the single-chip microcomputer, the indicator lamp driver and the audio frequency amplifier, the single-chip microcomputer is connected with the controller, the indicator lamp driver and the audio frequency amplifier, the sensor is connected with the single-chip microcomputer through the photoelectric coupler, the indicator lamp driver is connected with the indicator lamp, the audio frequency amplifier is connected with the alarm, and the controller is connected with the relay. The railway station extension ladder signal interlock control device can automatically detect the withdrawal situations of the extension ladders and effectively prevent accidents.
Description
Technical field
The invention relates to railway signal control field, especially about a kind of railroad platform extension ladder interlocking of signals control device.
Background technology
At present, be that tank car arrives at a station after in place coming to a complete stop in tank car entrucking processes such as petrochemical compleies, the red eye that railway signal lamp is lighted " no through traffic ".Extension ladder on platform reaches tank car mouth, and workman arrives tank deck by ladder, opens tank mouth and operates.When tank car entrucking is complete, after workman's operation completes, extension ladder is regained.
But, if any one extension ladder is regained not in place, when train starts, extension ladder and platform may be broken, heavy then may tank car be damaged, even cause leak of liquid, the major accidents such as initiation pollution, fire, blast.
For preventing the accident caused because fault regained by extension ladder, usually use the methods such as manual inspection, but method time and effort consuming, the efficiency such as existing manual inspection are not high.
As can be seen here, in above-mentioned existing tank car entrucking process, the method such as manual inspection is in use, obviously still has inconvenience and defect, and is urgently further improved.In order to solve above-mentioned Problems existing, relevant manufactures there's no one who doesn't or isn't seeks solution painstakingly, but have no applicable design for a long time to be completed by development, and common product does not have appropriate structure to solve the problem, this is obviously the anxious problem for solving of relevant dealer always.
Summary of the invention
The object of the present invention is to provide a kind of railroad platform extension ladder interlocking of signals control device, problem to be solved regains according to railroad platform extension ladder the situation that puts in place, and automatic control signal lamp, prevents because of railroad platform extension ladder fault accidents caused.
The object of the invention is to realize by the following technical solutions.The invention provides a kind of railroad platform extension ladder interlocking of signals control device, it is characterized in that, comprise multiple control module, each extension ladder is provided with this control module, after control signal employing " logical and " connection of this control module each, connect railway signal lamp controller again, described control module comprises: pilot lamp, alarm, sensor and control panel, described control panel comprises: transformer, rectification filtering module, Switching Power Supply, controller, single-chip microcomputer, pilot lamp drives, note amplifier, relay and photoelectrical coupler, wherein said transformer connects described Switching Power Supply by described rectification filtering module, and power for described Switching Power Supply, described Switching Power Supply connects described controller, single-chip microcomputer, pilot lamp driving and note amplifier respectively, and for described controller, single-chip microcomputer, pilot lamp drives and note amplifier is powered, described single-chip microcomputer respectively connection control device, pilot lamp drives and note amplifier, described sensor is connected with described single-chip microcomputer by described photoelectrical coupler, described pilot lamp drives and connects described pilot lamp, described note amplifier connects described alarm, described controller connects described relay.
Object of the present invention also can be applied to the following technical measures to achieve further.
Preferably, aforesaid railroad platform extension ladder interlocking of signals control device, the power supply wherein inputting described transformer is alternating current 220V power supply or direct current 24V power supply.
Preferably, aforesaid railroad platform extension ladder interlocking of signals control device, the position corresponding with described sensor wherein on described railroad platform extension ladder is provided with sensor and drives, its connecting sensor.
Preferably, aforesaid railroad platform extension ladder interlocking of signals control device, wherein said sensor is Hall element, and described sensor drives as magnet.
Preferably, aforesaid railroad platform extension ladder interlocking of signals control device, wherein said rectification filtering module comprises: rectification circuit and wave filter.
Preferably, aforesaid railroad platform extension ladder interlocking of signals control device, wherein said control panel is arranged in armored cassette.
By technique scheme, a kind of railroad platform extension ladder of the present invention interlocking of signals control device at least has following advantages and beneficial effect: railroad platform extension ladder interlocking of signals control device of the present invention can detect the situation that puts in place of each extension ladder automatically; Adopt interlocked control, every control signal adopts AND connection, only have all erect-positions all positive stops, system just can send " putting in place " signal, as long as have an extension ladder to break down and cause withdrawal not in place, whole system all can not send " putting in place " signal, the safety of guarantee whole system; Any one extension ladder breaks down, and this position will send sound and visual alarm, contributes to the rapid fault point of staff, fixes a breakdown immediately; Adopt explosion precaution and equipment, use advanced single-chip microcomputer and non-contacting Hall element technology (other sensors compatible), safe, reliable, economic and practical, greatly increase work efficiency, reduce a staff working strength, improves the economic and social benefits.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the Systematical control schematic diagram of railroad platform extension ladder interlocking of signals control device of the present invention.
Fig. 2 is the schematic diagram of the control module of railroad platform extension ladder interlocking of signals control device of the present invention.
[main element symbol description]
1: pilot lamp 2: alarm
3: sensor 4: control panel
41: transformer 42: Switching Power Supply
43: controller 44: single-chip microcomputer
45: pilot lamp drives 46: note amplifier
47: relay 48: photoelectrical coupler
49: rectification filtering module 100: control module
A: power supply B: control signal
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to a kind of embodiment of railroad platform extension ladder interlocking of signals control device proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
Refer to Fig. 1, the Systematical control schematic diagram of railroad platform extension ladder interlocking of signals control device of the present invention, the present invention includes multiple control module 100, each extension ladder (not shown) is equipped with this control module 100, after control signal B employing " logical and " connection of this control module 100 each, be connected to railway signal lamp controller (not shown).
As shown in Figure 2, be the connection diagram of control module 100 of railroad platform extension ladder interlocking of signals control device of the present invention.Control module 100 comprises: pilot lamp 1, alarm 2, sensor 3 and control panel 4.Wherein, control panel 4 is arranged in armored cassette, and it comprises: transformer 41, Switching Power Supply 42, controller 43, single-chip microcomputer 44, pilot lamp driving 45, note amplifier 46, relay 47, photoelectrical coupler 48 and rectification filtering module 49.It should be noted that, the interaction relationship in Fig. 2 between arrow representation element device or the transmission direction of signal, might not represent interconnected relationship.
Transformer 41 accesses power supply A, and is connected with Switching Power Supply 42 by rectification filtering module 49, is mainly used in being supplied to Switching Power Supply 42 by after power supply A transformation, rectification and filtering.Power supply A can be 220V alternating current, also can be the direct current 24V power supply on platform, and when power supply A is 220V alternating current, 220V convert alternating current is reoffer to Switching Power Supply 42 after 9V direct current by transformer 41; When power supply A is 24V direct current, be directly supplied to Switching Power Supply 42.
Rectification filtering module 49 comprises rectification circuit and wave filter, and can be the rectification filtering module of existing conventional rectification circuit and wave filter composition, the present invention limit the concrete composition of rectification filtering module, as long as can reach rectification and filter function.
Switching Power Supply 42 drive with controller 43, single-chip microcomputer 44, pilot lamp respectively 45 and note amplifier 46 be connected and be that it is powered, Switching Power Supply 42 mainly plays the effect that the components and parts for whole system are powered.
Single-chip microcomputer 44 drive with controller 43, pilot lamp respectively 45 and note amplifier 46 be connected, for controller 43, pilot lamp drive 45 and note amplifier 46 send steering order.
Sensor 3 connects single-chip microcomputer 44 by photoelectrical coupler 48, and sensor 3 is for automatically detecting the state that puts in place of extension ladder, and the status signal that puts in place drives single-chip microcomputer 44 through photoelectrical coupler 48.The position corresponding with sensor 3 on railroad platform extension ladder is provided with sensor and drives (not shown), and sensor drives connecting sensor 3, for driving sensor 3 action.Sensor 3 can be Hall element, and it can be magnet that sensor drives, or adopts the sensor of other compatibilities and the sensor that mates with it drives.
Pilot lamp drives 45 to connect pilot lamp 1, and it receives the steering order of single-chip microcomputer 44 and drives pilot lamp action.
Note amplifier 46 connects alarm 2, and it receives the steering order of single-chip microcomputer 44 and the audio frequency after amplifying is supplied to alarm 2.
Controller 43 connects relay 47, and it receives the steering order of single-chip microcomputer 44 and the switch motion of pilot relay 47.
The course of work of railroad platform extension ladder interlocking of signals control device of the present invention is following (for convenience of describing, Hall element is adopted with lower sensor 3, sensor drives and adopts magnet, power supply A adopts 220V alternating current to be described, but the present invention is not restricted to this): first, 220V alternating-current power supply A is accessed transformer 41, through the step-down of transformer 41, be converted to 9V direct current after the rectification of rectification filtering module 49 and filter action and be supplied to Switching Power Supply 42, Switching Power Supply 42 is supplied to controller 43 after 9V direct current being converted to the 5V direct current meeting system, single-chip microcomputer 44, pilot lamp drives 45 and note amplifier 46.Sensor 3 automatically detects the state that puts in place of extension ladder, and after detecting that extension ladder correctly shrinks and puts in place, magnet drives Hall element sends high level, passes control panel 4 back, after shaping, drives single-chip microcomputer 44 by photoelectrical coupler 48.After single-chip microcomputer 44 receives the signal of Hall element, send instruction and drive 45 and note amplifier 46 to pilot lamp, control it and close pilot lamp 1 and alarm 2, and send control signal instruction to controller 43, controller 43 pilot relay 47 is made to close normal opened contact, the control signal B that namely this position sends " putting in place ".It is more than the workflow that a control module 100 controls the extension ladder erect-position corresponding with it, remaining control module 100 is the same with above-mentioned workflow, owing to each extension ladder being equipped with this control module 100, after control signal B employing " logical and " connection of this control module 100 each, be connected to railway signal lamp controller, therefore, when after all extension ladder erect-positions all positive stop, the control signal B of this control module 100 each is " putting in place " signal, namely final system sends " putting in place " signal, railway signal lamp controller controls the instruction that railway signal lamp sends P Passable.If the pilot lamp 1 of any one extension ladder erect-position and alarm 2 do not stop, namely this position does not send " putting in place " signal, illustrate that this extension ladder breaks down, staff can fix a breakdown rapidly.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a railroad platform extension ladder interlocking of signals control device, it is characterized in that, comprise multiple control module, each extension ladder is provided with this control module, after control signal employing " logical and " connection of this control module each, connect railway signal lamp controller again, described control module comprises: pilot lamp, alarm, sensor and control panel, described control panel comprises: the driving of transformer, rectification filtering module, Switching Power Supply, controller, single-chip microcomputer, pilot lamp, note amplifier, relay and photoelectrical coupler, wherein
Described transformer connects described Switching Power Supply by described rectification filtering module, and powers for described Switching Power Supply;
Described Switching Power Supply connects described controller, single-chip microcomputer, pilot lamp driving and note amplifier respectively, and for described controller, single-chip microcomputer, pilot lamp drives and note amplifier is powered;
Described single-chip microcomputer connects described controller respectively, pilot lamp drives and note amplifier;
Described sensor is connected with described single-chip microcomputer by described photoelectrical coupler;
Described pilot lamp drives and connects described pilot lamp;
Described note amplifier connects described alarm;
Described controller connects described relay.
2. railroad platform extension ladder interlocking of signals control device according to claim 1, is characterized in that, the power supply inputting described transformer is alternating current 220V power supply or direct current 24V power supply.
3. railroad platform extension ladder interlocking of signals control device according to claim 1, it is characterized in that, the position corresponding with described sensor on described railroad platform extension ladder is provided with sensor and drives, its connecting sensor.
4. railroad platform extension ladder interlocking of signals control device according to claim 3, it is characterized in that, described sensor is Hall element, and described sensor drives as magnet.
5. railroad platform extension ladder interlocking of signals control device according to claim 1, it is characterized in that, described rectification filtering module comprises: rectification circuit and wave filter.
6. railroad platform extension ladder interlocking of signals control device according to claim 1, it is characterized in that, described control panel is arranged in armored cassette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410548571.9A CN104267650A (en) | 2014-10-15 | 2014-10-15 | Railway station extension ladder signal interlock control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410548571.9A CN104267650A (en) | 2014-10-15 | 2014-10-15 | Railway station extension ladder signal interlock control device |
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| Publication Number | Publication Date |
|---|---|
| CN104267650A true CN104267650A (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410548571.9A Pending CN104267650A (en) | 2014-10-15 | 2014-10-15 | Railway station extension ladder signal interlock control device |
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| CN (1) | CN104267650A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200508A (en) * | 2016-09-05 | 2016-12-07 | 珠海格力电器股份有限公司 | Chain protection control circuit |
-
2014
- 2014-10-15 CN CN201410548571.9A patent/CN104267650A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200508A (en) * | 2016-09-05 | 2016-12-07 | 珠海格力电器股份有限公司 | Chain protection control circuit |
| CN106200508B (en) * | 2016-09-05 | 2018-12-21 | 珠海格力电器股份有限公司 | Chain protection control circuit |
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Application publication date: 20150107 |
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| RJ01 | Rejection of invention patent application after publication |