CN2635483Y - Highway railway crossing junction automobile warning device - Google Patents
Highway railway crossing junction automobile warning device Download PDFInfo
- Publication number
- CN2635483Y CN2635483Y CN 03251840 CN03251840U CN2635483Y CN 2635483 Y CN2635483 Y CN 2635483Y CN 03251840 CN03251840 CN 03251840 CN 03251840 U CN03251840 U CN 03251840U CN 2635483 Y CN2635483 Y CN 2635483Y
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- circuit
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- warning
- electrically connected
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Abstract
The utility model is an automatic alarm device of road and railroad crossings, which comprises a sensor, a sound and light warning light and characterized in that a vehicle detector and a stop alarm detector are arranged on the far ends of both sides of the level crossing and the level crossing. The vehicle detector and the stop alarm detector are both respectively formed from the electrical connection of a sensor arranged in the rail inner side, a low-frequency sound detection circuit, a pulse detection circuit with a gate output circuit. The inside of a control cabinet arranged on the level crossing is provided with a control warning circuit formed from the electrical connection of a power supply circuit, a warning initiation circuit, a warning timing switching circuit as well as a flash frequency control circuit. The utility model has the advantages of the alarming which can be implemented only when the train vibration sound signal and the wheel pulse signal are detected synchronously, as well as accurate warning, low cost and easy maintenance.
Description
Technical field
The utility model belongs to signalling apparatus, is a kind of road and railroad crossing crossing automatic alarming device.
Background technology
The alerting signal of existing highway railway gate crossing warning device is that train wheel passes through the impulse singla that sensor produces, pass to the control system that far-end is made up of micro controller system etc. through transfer wire, by finishing alarm display with control system bonded assembly sound and light alarm signal lamp, its weak point is, the control system complex structure, sensor and control system bonded assembly transfer wire are long, it is bigger influenced by distributed capacitance, characteristic impedance etc., the signal of being gathered is the mono-impulse singla, there are leakage, flase alarm phenomenon to take place, the cost height, maintenance difficult.
Summary of the invention
Technical problem to be solved in the utility model is, provides a kind of and can implement to report to the police by detecting train Rack tone signal and wheel pulse signal simultaneously, and it is accurate to report to the police, and cost is low, road and railroad crossing crossing automatic alarming device easy to maintenance.
The technical scheme that solves its technical matters employing is: a kind of road and railroad crossing crossing automatic alarming device, it comprises sensor 1, sound and light alarm signal lamp 7, be characterized in: the detector 4 of sending a car is set respectively, stops Alarm Detector 5 at the far-end of both sides, road junction, place, road junction, send a car detector 4 and stop Alarm Detector 5 respectively by the sensor 1 that places rail 8 inboards, low-frequency sound testing circuit 10, pulse-detecting circuit 11, be electrically connected with gate output circuit 12 and form; At the place, road junction control rack 6 is set, is built-in with control warning circuit 13 at control rack 6, control warning circuit 13 is electrically connected and is formed by power circuit 14, warning start-up circuit 15, warning timing switch circuit 16, flash rate control circuit 17.Low-frequency sound testing circuit 10 is electrically connected by condenser microphone MIC, audio-frequency amplification ic chip 1, resistance R 1～R11, capacitor C 1～C7, diode D1, D2, aerotron T1, T2, stabilivolt DW1 to be formed.Pulse-detecting circuit 11 is electrically connected by rectifier bridge Q, resistance R 12～R15, capacitor C 8, aerotron T3, T4 to be formed.Be electrically connected and form by diode D3～D5, resistance R 16, R17, stabilivolt DW2, aerotron T5, relay J 1 with gate output circuit 12.Warning start-up circuit 15 is made up of relay J 2, J3.Warning timing switch circuit 16 is electrically connected by ic chip 2, three terminal regulator W1, resistance R 18～R21, capacitor C 9～C11, diode D6, aerotron T6, relay J 2～J4 to be formed.Flash rate control circuit 17 is electrically connected and is formed by op amp IC3, aerotron T7, stabilivolt DW3, resistance R 24～R28, diode D9, news Chinese percussion instrument XX, relay J 2, J3, J5.
Road and railroad crossing crossing automatic alarming device of the present utility model, owing to adopted the detector of sending a car, stopped Alarm Detector, can detect train Rack tone signal and wheel pulse signal simultaneously, two kinds of signal stacks just can be input to the control warning circuit of control rack, finish alarm display by the sound and light alarm signal lamp that is electrically connected with the control warning circuit, therefore, can get rid of the influence of Rack tone signal or impulse singla single factors, it is accurate to report to the police; Owing to send a car detector place the both sides, road junction far-end, stop Alarm Detector and place road junction place can realize that train has just entered when sending a car detector, the sound and light alarm signal lamp is with regard to alarm display, train has just entered when stopping Alarm Detector, the sound and light alarm signal lamp just stops alarm display, save electric energy, increase the service life; It is low that this annunciator also has a cost, is convenient to advantages such as maintenance.
Description of drawings
Fig. 1 is arranged on the plan sketch at road junction for the road and railroad crossing crossing automatic alarming device.
Fig. 2 road and railroad crossing crossing automatic alarming device connection side block diagram.
Fig. 3 is sensor 1 scheme of installation.
Fig. 4 for the detector 4 of sending a car, stop Alarm Detector 5 electrical schematic diagrams.
Fig. 5 is control warning circuit 13 electrical schematic diagrams.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
With reference to Fig. 1-3, the road and railroad crossing crossing automatic alarming device stops 5, two sound and light alarm signal lamps of Alarm Detector 7 and control rack 6 by two detectors 4 of sending a car, one and is electrically connected and forms by being embedded in underground cable.Three sensors 1 that two detectors 4 of sending a car, one stop Alarm Detector 5 place place, road junction and two remote locations in road junction respectively, in the inboard of rail 8.Be equipped with low-frequency sound testing circuit 10, pulse-detecting circuit 11, and three connection boxes 2 of gate output circuit 12 place respectively three sensors 1 near, sensor 1 is connected by lead 9 with circuit in the connection box 2.Sound and light alarm signal lamp 7 is installed in the place, road junction, and control rack 6 places in the room, road junction at place, road junction, is built-in with control warning circuit 13 at control rack 6.
With reference to Figure 4 and 5, send a car detector 4 and stop Alarm Detector 5 respectively by sensor 1, low-frequency sound testing circuit 10, pulse-detecting circuit 11, be electrically connected with gate output circuit 12 and form; Control rack 6 built-in control warning circuits 13 are electrically connected and are formed by power circuit 14, warning start-up circuit 15, warning timing switch circuit 16, flash rate control circuit 17.
Low-frequency sound testing circuit 10 is electrically connected by condenser microphone MIC, audio-frequency amplification ic chip 1, resistance R 1～R11, capacitor C 1～C7, diode D1, D2, aerotron T1, T2, stabilivolt DW1 to be formed.
Pulse-detecting circuit 11 is electrically connected by rectifier bridge Q, resistance R 12～R15, capacitor C 8, aerotron T3, T4 to be formed.
Be electrically connected and form by diode D3～D5, resistance R 16, R17, stabilivolt DW2, aerotron T5, relay J 1 with gate output circuit 12.
Power circuit 14 adopts the DC12～15V/8A Switching Power Supply or the storage battery of standard.
Warning start-up circuit 15 is made up of relay J 2, J3.
Warning timing switch circuit 16 is electrically connected by ic chip 2, three terminal regulator W1, resistance R 18～R21, capacitor C 9～C11, diode D6, aerotron T6, relay J 2～J4 to be formed.
Flash rate control circuit 17 is electrically connected and is formed by op amp IC3, aerotron T7, stabilivolt DW3, resistance R 24～R28, diode D9, news Chinese percussion instrument XX, relay J 2, J3, J5.
Control warning circuit 13 also has the indicating circuit of being made up of resistance R 22, R23, diode D7, D8, light-emitting diode Df1, Df2, news Chinese percussion instrument XX electrical connection of sending a car, and is used for the indication of sending a car in the room, road junction.Also be provided with automatic reset switch AN, the function of automatic reset switch AN is: when car is stopped at alarm region, stopped to report to the police by the manual activation switch.
The principle of work of brief description autoalarm: train can send the friction Rack between motor noise and wheel and rail when operation, as long as train is arranged by the detector 4 of sending a car, when stopping Alarm Detector 5, condenser microphone MIC in the low-frequency sound testing circuit 10 detects because the low-frequency sound signal of noise, Rack, after capacitor C 1 filtering, amplify by audio-frequency amplification ic chip 1, be coupled to diode D1, D2 through capacitor C 6 and carry out voltage multiplying rectifier, after capacitor C 7 filtering, stabilivolt DW1, aerotron T1 conducting, aerotron T2 ends; Meanwhile, wheel rim passes through above sensor 1, changed the magnetic flow of sensor 1 magnetic coil, produce impulse singla and give pulse-detecting circuit 11, after rectifier bridge Q rectification, be added to aerotron T3 through resistance R 12, aerotron T3 enters the full state that closes by off condition, and aerotron T4 closes state by satisfying and enters off condition; At this moment, the equal reverse bias of diode D3, D4 with gate output circuit 12, power line voltage makes stabilivolt DW2, aerotron T5 conducting through resistance R 16, relay J 1, its normal opened contact J1-1 closure, mouth KZ is to the power cathode short circuit, and collection is sent a car, stopped alerting signal and gives the control warning circuit of controlling in the rack 6 13.Normal opened contact J1-1 closure with the relay J 1 of gate output circuit 12, the relay J 2 or the J3 of warning start-up circuit 15 are got, its normal opened contact J2-2 or J3-2 self-insurance, closed and the connection flash rate control circuit 17 of another winding point J2-1, J3-1 simultaneously, to 7 power supplies of two sound and light alarm signal lamps, the op amp IC3 concussion of flash rate control circuit 17, relay J 5 is along with concussion frequency power on/off, and often the opening of relay J 5, normally closed contact J5-1, J5-2 replace power on/off to 7 power supplies of two sound and light alarm signal lamps; After stopping the stopping alerting signal and give warning timing switch circuit 16 of Alarm Detector 5, the relay J 4 of warning timing switch circuit 16 must electric, also be connected closed normal opened contact J4-1 and normal opened contact J2-3, the J3-3 of relay J 2 or J3, trigger ic chip 2 by capacitor C 10, make aerotron T6 conducting by resistance R 21, relay J 4 gets electric and self-insurance, the normally closed contact J4-2 of relay J 4 disconnects, the power supply of block system relay J2 or J3, relay J 2 or J3 dead electricity discharge and stop to report to the police.When the time reached resistance R 20, capacitor C 11 timings, full train was by another detector 4 of sending a car, 3 pin output low levels of ic chip 2, and aerotron T6 ends, and relay J 4 dead electricity discharge, and it is ready to report to the police for send a car next time.When the relay J 2 of warning start-up circuit 15 or J3 get electric after, normal opened contact J2-1, the J3-1 by relay J 2, J3 parallel connection is to devices such as the op amp IC3 power supply of flash rate control circuit 17, news Chinese percussion instrument XX sends sound.Op amp IC3 concussion simultaneously, aerotron T7 presses the concussion frequency f of op amp IC3 output
0Carry out conducting, end, relay J 5 is by the concussion frequency f
0Adhesive, release, often the opening of relay J 5, normally closed contact J5-1, J5-2 then are alternately closed, disconnect, lamp battle array and the high loudness news Chinese percussion instrument XX interleaved power formed to the high brightness LED of each sound and light alarm signal lamp 7.The used components and parts of the utility model, sound and light alarm signal lamp, sensor etc. are the commercially available prod.
Claims (7)
1. road and railroad crossing crossing automatic alarming device, it comprises sensor (1), sound and light alarm signal lamp (7), it is characterized in that: the detector (4) of sending a car is set respectively, stops Alarm Detector (5) at the far-end of both sides, road junction, place, road junction, the detector of sending a car (4) and stop Alarm Detector (5) respectively by the sensor (1) that places rail (8) inboard, low-frequency sound testing circuit (10), pulse-detecting circuit (11), be electrically connected with gate output circuit (12) and form; At the place, road junction control rack (6) is set, be built-in with control warning circuit (13) at control rack (6), control warning circuit (13) is electrically connected by power circuit (14), warning start-up circuit (15), warning timing switch circuit (16), flash rate control circuit (17) to be formed.
2. road and railroad crossing crossing automatic alarming device according to claim 1 is characterized in that: ((C1～C7), diode (D1, D2) aerotron (T1, T2), stabilivolt (DW1) are electrically connected and form low-frequency sound testing circuit (10) for R1～R11), electric capacity by condenser microphone (MIC), audio-frequency amplification integrated package (IC1), resistance.
3. road and railroad crossing crossing automatic alarming device according to claim 1 is characterized in that: (R12～R15), electric capacity (C8), aerotron (T3, T4) are electrically connected and form pulse-detecting circuit (11) by rectifier bridge (Q), resistance.
4. road and railroad crossing crossing automatic alarming device according to claim 1 is characterized in that: (D3～D5), resistance (R16, R17), stabilivolt (DW2), aerotron (T5), relay (J1) are electrically connected and form by diode with gate output circuit (12).
5. road and railroad crossing crossing automatic alarming device according to claim 1 is characterized in that: warning start-up circuit (15) is made up of relay (J2, J3).
6. road and railroad crossing crossing automatic alarming device according to claim 1 is characterized in that: (((J2～J4) is electrically connected and forms warning timing switch circuit (16) for C9～C11), diode (D6), aerotron (T6), relay for R18～R21), electric capacity by integrated package (IC2), three terminal regulator (W1), resistance.
7. road and railroad crossing crossing automatic alarming device according to claim 1 is characterized in that: (R24～R28), diode (D9), news Chinese percussion instrument (XX), relay (J2, J3, J5) are electrically connected and form flash rate control circuit (17) by op amp (IC3), aerotron (T7), stabilivolt (DW3), resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03251840 CN2635483Y (en) | 2003-07-29 | 2003-07-29 | Highway railway crossing junction automobile warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03251840 CN2635483Y (en) | 2003-07-29 | 2003-07-29 | Highway railway crossing junction automobile warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2635483Y true CN2635483Y (en) | 2004-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03251840 Expired - Fee Related CN2635483Y (en) | 2003-07-29 | 2003-07-29 | Highway railway crossing junction automobile warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2635483Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114974A (en) * | 2011-03-22 | 2011-07-06 | 奇瑞汽车股份有限公司 | Confluence turnout simultaneous departure protection device of conveyor and control method thereof |
| CN104933896A (en) * | 2015-06-26 | 2015-09-23 | 王炳华 | Intersection indicating rod and alarm system |
| CN107972702A (en) * | 2017-11-13 | 2018-05-01 | 宁波钢铁有限公司 | A kind of method for solving magnetoelectric transducer and causing road junction false alarm |
| CN114550424A (en) * | 2020-11-26 | 2022-05-27 | 山西太钢不锈钢股份有限公司 | Crossing alarm system |
-
2003
- 2003-07-29 CN CN 03251840 patent/CN2635483Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114974A (en) * | 2011-03-22 | 2011-07-06 | 奇瑞汽车股份有限公司 | Confluence turnout simultaneous departure protection device of conveyor and control method thereof |
| CN104933896A (en) * | 2015-06-26 | 2015-09-23 | 王炳华 | Intersection indicating rod and alarm system |
| CN107972702A (en) * | 2017-11-13 | 2018-05-01 | 宁波钢铁有限公司 | A kind of method for solving magnetoelectric transducer and causing road junction false alarm |
| CN114550424A (en) * | 2020-11-26 | 2022-05-27 | 山西太钢不锈钢股份有限公司 | Crossing alarm system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |