CN202378913U - Switching control device for crossing warning system - Google Patents
Switching control device for crossing warning system Download PDFInfo
- Publication number
- CN202378913U CN202378913U CN2011204792069U CN201120479206U CN202378913U CN 202378913 U CN202378913 U CN 202378913U CN 2011204792069 U CN2011204792069 U CN 2011204792069U CN 201120479206 U CN201120479206 U CN 201120479206U CN 202378913 U CN202378913 U CN 202378913U
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- China
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- circuit
- relay
- roadway gate
- hurdle door
- contactor
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Abstract
The utility model discloses a switching control device for a crossing warning system, which belongs to the technical field of railway crossing safety and is used for controlling switching between a barrier mechanism and a gate mechanism of the crossing warning system. The switching control device comprises a 24V rectifying power supply, a safety relay logic circuit and an alternating-current contactor isolating circuit which are in sequential series connection, wherein the 24V rectifying power supply is used for providing a KZ/KF power supply for the safety relay logic circuit, the safety relay logic circuit is used for controlling switching of the crossing warning system, and the alternating-current contactor isolating circuit physically isolated from load of the crossing warning system. The switching control device for the crossing warning system has the advantages that automatic switching of the load can be realized by pressing an early warning button by an operator, so that driving safety is guaranteed, and operation efficiency is improved.
Description
Technical field
The utility model belongs to safety method field, level crossing, is specifically related to a kind of intersection alarm system conversion control device.
Background technology
In busier or important level crossing,, on the basis of having installed roadway gate mechanism, installed hurdle door mechanism again for vehicle and pedestrian have been carried out the safety precaution of higher category.Generally, roadway gate mechanism and hurdle door mechanism are the cover master of a mechanism usefulness, and a cover mechanism is subsequent use.Because the intersection alarm system of roadway gate mechanism and the intersection alarm system of hurdle door mechanism can not and deposit; Therefore the intersection alarm system can only be installed on the main computer structure, and often because the variation of road junction operation property also usually need be used subsequent use mechanism; At this moment will cause the potential safety hazard of road junction operation; If the conversion between the roadway gate mechanism at road junction and hurdle door mechanism of intersection alarm system is used, just must the road junction service personnel will load on the load transfer of the enterprising trade of terminal clamp mouth warning at the scene, so not only lose time; And influence driving efficient again, also service personnel there is great potential safety hazard.
The utility model content
The utility model technical matters to be solved provides and a kind ofly can make the intersection alarm system control setup that conversion is used between the roadway gate mechanism at road junction and hurdle door mechanism.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is:
A kind of intersection alarm system conversion control device; Be used for controlling the intersection alarm system and between roadway gate mechanism and hurdle door mechanism, change use; Comprise 24V rectifier power source, safety type relay decision circuit, AC contactor buffer circuit, said 24V rectifier power source, safety type relay decision circuit and AC contactor are connected successively; Wherein said 24V rectifier power source is that said safety type relay decision circuit provides KZ/KF power supply; Said safety type relay decision circuit is controlled the conversion of intersection alarm system; Said AC contactor buffer circuit is realized the physical isolation with the intersection alarm system load.
Said safety type relay decision circuit comprises roadway gate relay logic control circuit and hurdle door relay logic control circuit; Wherein said roadway gate relay logic control circuit provides 24 volts of direct currents to roadway gate early warning button by KZ; Said roadway gate early warning button is connected the back to KF with roadway gate relay 1-2 coil, constitute energized circuit; Provide 24 volts of direct currents to roadway gate relay 3-4 coil by KZ, said roadway gate relay 3-4 coil and roadway gate relay 11,12 contacts and hurdle door relay 21 ＇, 23 ＇ contacts are connected the back to KF, constitute the self stick circuit; 31,32 contacts of roadway gate relay are connected with first AC contactor in the AC contactor buffer circuit; Said hurdle door relay logic control circuit provides 24 volts of direct currents to roadway gate early warning button by KZ, and said hurdle door early warning button is connected the back to KF with hurdle door relay 1 ＇-2 ＇ coil, constitute energized circuit; By KZ provide 24 volts of direct currents to the hurdle door relay 3 ＇-4 ＇ coil, said hurdle door relay 3 ＇-4 ＇ coil is connected the back to KF with hurdle door relay 11 ＇, 12 ＇ contacts and roadway gate relay 21,23 contacts, constitute the self stick circuit; 31 ＇ of hurdle door wood relay, 32 ＇ contacts are connected with second AC contactor in the AC contactor buffer circuit.
Said intersection alarm system conversion control device; Also comprise the indication lamp circuit; Said indication lamp circuit is connected with said safety type relay decision circuit; First indication lamp of wherein said indication lamp circuit is connected with 41,42 contacts of said roadway gate relay, and second indication lamp is connected with 41 ＇, the 42 ＇ contacts of said hurdle door relay.
Described intersection alarm system conversion control device also comprises lightning protection component and air switch, said lightning protection component with connect with the 24V rectifier power source again after air switch is connected.
Said 24V rectifier power source is a silicon rectifier 24V power supply.
The beneficial effect of the utility model is that operating personal can be through pushing the early warning button, and the realization load is changed automatically, has guaranteed traffic safety, has improved operating efficiency.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the conversion control device embodiment of the utility model intersection alarm system;
Fig. 2 is the schematic circuit diagram of the conversion control device embodiment of the utility model intersection alarm system.
The specific embodiment
Further specify below in conjunction with accompanying drawing and the specific embodiment technical scheme the utility model.
As shown in Figure 1; The utility model embodiment provides a kind of intersection alarm system conversion control device; Be used for controlling the intersection alarm system and between roadway gate mechanism and hurdle door mechanism, change use, this device comprises silicon rectifier 24V power supply, safety type relay decision circuit and AC contactor buffer circuit, lightning protection component, air switch and indication lamp circuit.Lightning protection component, air switch, silicon rectifier 24V power supply are connected in the 220V alternating current circuit, again with AC contactor buffer circuit and indication lamp circuit incoming transport circuit.After safety type relay decision circuit and AC contactor buffer circuit were connected on silicon rectifier 24V power supply successively, silicon rectifier 24V power supply provided KZ/KF power supply for the safety type relay decision circuit; The conversion of safety type relay decision circuit control intersection alarm system; The AC contactor buffer circuit is realized the physical isolation with the intersection alarm system load; The safety type relay decision circuit also is connected with the indication lamp circuit.
As shown in Figure 2; The safety type relay decision circuit comprises roadway gate relay NMJ logic control circuit and hurdle door relay CNJ logic control circuit; Wherein roadway gate relay NMJ logic control circuit provides 24 volts of direct currents to roadway gate early warning button MA1 by KZ; Roadway gate early warning button MA1 is the nonstick button of normally closed contact, and roadway gate early warning button MA1 connects the back to KF with roadway gate relay NMJ1-2 coil, constitute energized circuit; Provide 24 volts of direct currents to roadway gate relay NMJ3-4 coil by KZ, roadway gate relay NMJ3-4 coil is connected the back to KF with roadway gate relay NMJ11,12 contacts and hurdle door relay CNJ21 ＇, 23 ＇ contacts, constitute the self stick circuit; 31,32 contacts of roadway gate relay NMJ are connected with the first AC contactor KM1 in the AC contactor buffer circuit; The first indication lamp NMB of indication lamp circuit connects with 41,42 contacts of roadway gate relay.Hurdle door relay CNJ logic control circuit by KZ provide 24 volts of direct currents to the hurdle door early warning button MA2; Hurdle door early warning button MA2 is the nonstick button of normally closed contact; Hurdle door early warning button MA2 connects the back to KF with hurdle door relay CNJ device 1 ＇-2 ＇ coil, constitute energized circuit; By KZ provide 24 volts of direct currents to the hurdle door relay CNJ3 ＇-4 ＇ coil, hurdle door relay CNJ3-4 coil is connected the back to KF with hurdle door relay CNJ11 ＇, 12 ＇ contacts and roadway gate relay NMJ21,23 contacts, constitute the self stick circuit; 31 ＇ of hurdle door wood relay CNJ, 32 ＇ contacts are connected with the second AC contactor KM2 in the AC contactor buffer circuit; The second indication lamp CNB of indication lamp circuit connects with 41 ＇ of said hurdle door relay, 42 ＇ contacts.
The principle of work of the intersection alarm system conversion control device that present embodiment provides is: roadway gate relay NMJ is used for controlling the roadway gate train of mechanism, and hurdle door relay CNJ is used for control group door train of mechanism.
Wherein NMJ picks up process: press the early warning button MA1 of roadway gate mechanism, connect the energizing circuit NMJ1-2 of NMJ ↑, be communicated with the self stick circuit of relay NMJ then through KZ → NMJ3-4 → NMJ11-12 → CNJ21-23 → KF, make it can keep picking up; Here NMJ ↑ cut off the self stick circuit of CNJ relay through its 2 contact, thus a circuit of cutting is mutually arranged, two relays can not be picked up simultaneously.After NMJ picks up, by its 3 contacts action JZ → NMJ31-32 → KM1 → JF is arranged, so just connected the circuit of roadway gate mechanism, reach an automatically controlled process.Meanwhile also connected the first indication lamp NMB, what show operation this moment is the roadway gate mechanism circuit.
In like manner, CNJ picks up process: press the early warning button MA2 of hurdle door mechanism, connect the energizing circuit CNJ1-2 of CNJ ↑, be communicated with the self stick circuit of electrical equipment CNJ then through KZ → CNJ3-4 → NMJ11-12 → NMJ21-23 → KF, make it can keep picking up; Here same CNJ ↑ cut off the self stick circuit of NMJ relay through its 2 contact, thus a circuit of cutting is mutually arranged, two relays can not be picked up simultaneously.After CNJ picks up, by its 3 contacts action JZ → CNJ31-32 → KM2 → JF is arranged, so just connected the circuit of hurdle door mechanism, reach an automatically controlled process.Meanwhile also connected the second indication lamp CNB, what show operation this moment is hurdle door mechanism circuit.
The intersection alarm system conversion control device that the utility model embodiment provides is through pushing the early warning button, and the realization load is changed automatically, has guaranteed traffic safety, has improved operating efficiency.
It should be noted last that; The above specific embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (5)
1. intersection alarm system conversion control device; Be used for controlling the intersection alarm system and between roadway gate mechanism and hurdle door mechanism, change use; It is characterized in that; Comprise 24V rectifier power source, safety type relay decision circuit and AC contactor buffer circuit, said 24V rectifier power source, safety type relay decision circuit and AC contactor are connected successively; Wherein said 24V rectifier power source is that said safety type relay decision circuit provides KZ/KF power supply; Said safety type relay decision circuit is controlled the conversion of intersection alarm system; Said AC contactor buffer circuit is realized the physical isolation with the intersection alarm system load.
2. intersection alarm according to claim 1 system conversion control device is characterized in that said safety type relay decision circuit comprises roadway gate relay logic control circuit and hurdle door relay logic control circuit;
Said roadway gate relay logic control circuit provides 24 volts of direct currents to roadway gate early warning button by KZ, and said roadway gate early warning button is connected the back to KF with roadway gate relay first coil (1-2), constitute energized circuit; Provide 24 volts of direct currents to roadway gate relay second coil (3-4) by KZ; Said roadway gate relay second coil (3-4) is connected the back to KF with roadway gate relay first winding point (11,12) and hurdle door relay second winding point (21 ＇, 23 ＇), constitute the self stick circuit; The 3rd winding point (31,32) of roadway gate relay is connected with first AC contactor in the AC contactor buffer circuit;
Said hurdle door relay logic control circuit provides 24 volts of direct currents to roadway gate early warning button by KZ, and said hurdle door early warning button is connected the back to KF with hurdle door relay tertiary winding (1 ＇-2 ＇), constitute energized circuit; By KZ provide 24 volts of direct currents to the hurdle door relay the 4th coil (3 ＇-4 ＇); Said hurdle door relay the 4th coil (3 ＇-4 ＇) is connected the back to KF with hurdle door relay the 4th winding point (11 ＇, 12 ＇) and roadway gate relay the 5th winding point (21,23), constitute the self stick circuit; The 6th winding point of hurdle door relay (31 ＇, 32 ＇) is connected with second AC contactor in the AC contactor buffer circuit.
3. intersection alarm according to claim 2 system conversion control device; It is characterized in that; Also comprise the indication lamp circuit; Said indication lamp circuit is connected with said safety type relay decision circuit, and first indication lamp of wherein said indication lamp circuit is connected with the 7th winding point (41,42) of said roadway gate relay, and second indication lamp of said indication lamp circuit is connected with the 8th winding point (41 ＇, 42 ＇) of said hurdle door relay.
4. intersection alarm according to claim 1 and 2 system conversion control device is characterized in that, also comprises lightning protection component and air switch, said lightning protection component with connect with the 24V rectifier power source again after air switch is connected.
5. intersection alarm according to claim 1 and 2 system conversion control device is characterized in that said 24V rectifier power source is a silicon rectifier 24V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204792069U CN202378913U (en) | 2011-11-28 | 2011-11-28 | Switching control device for crossing warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204792069U CN202378913U (en) | 2011-11-28 | 2011-11-28 | Switching control device for crossing warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202378913U true CN202378913U (en) | 2012-08-15 |
Family
ID=46627431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204792069U Expired - Fee Related CN202378913U (en) | 2011-11-28 | 2011-11-28 | Switching control device for crossing warning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202378913U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802866A (en) * | 2014-01-24 | 2014-05-21 | 宁波钢铁有限公司 | Method for preventing abnormal movement of automatic alarm road junction railing |
| CN105799742A (en) * | 2016-03-09 | 2016-07-27 | 宁波钢铁有限公司 | Alarm control method for crossing section |
-
2011
- 2011-11-28 CN CN2011204792069U patent/CN202378913U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802866A (en) * | 2014-01-24 | 2014-05-21 | 宁波钢铁有限公司 | Method for preventing abnormal movement of automatic alarm road junction railing |
| CN105799742A (en) * | 2016-03-09 | 2016-07-27 | 宁波钢铁有限公司 | Alarm control method for crossing section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20151128 |