CN200944305Y

CN200944305Y - Railway locomotive automatic horn

Info

Publication number: CN200944305Y
Application number: CN 200620097657
Authority: CN
Inventors: 梁亦斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-04
Filing date: 2006-07-04
Publication date: 2007-09-05
Anticipated expiration: 2016-07-04

Abstract

The utility model discloses automatic horn for rail locomotive, which belongs to the field of locomotive technology and solves the problem that the horn on the locomotive can only be operated by the drive but not hoot automatically. The utility model comprises a conversion switch, an intermediate relay and a time relay. One of the mobile points of the conversion switch is in the serial connection with the time relay 2KT to connect with one end of a power through an intermediate normal open point of 2KA. (1) The intermediate relay 1KA and a normal close point of the time relay 1KT are in the serial connection with a switch. (2) A normal open point of the intermediate relay 1KA is in serial connection with the time relay 1KT. (3) A normal open point of the time relay 1KT and a normal open point of the time relay 2KT are in the serial connection with the intermediate relay 2KA. (4) The normal open point of the intermediate relay 1KA is in serial connection with the contactor. The four circuits are in parallel connection and connected with the both ends of the power. The switch is in the parallel connection with the normal open point of the intermediate relay 1KA and the normal open point of the time relay 2KT. The normal open point of the time relay 1KT is in parallel connection with the normal open point of the intermediate relay 2KA. The utility model as a horn can automatically hoot intermittently.

Description

The automatic loudspeaker of railway locomotive

Technical field

The utility model belongs to the locomotive technology field, the automatic loudspeaker of specifically a kind of locomotive.

Background technology

Having the loudspeaker of using on the known locomotive now is in case of emergency, press loudspeaker aloud by driver's manually-operated, warn the place ahead pedestrian and note, and drive in the head driver time, and when feeling tired or absent minded, neither one can be reminded driver's alarm signal.

Summary of the invention

The purpose of this utility model provides and a kind ofly makes that loudspeaker are continuously automatic discontinuous rings, and can reach the caution pedestrian, can warn driver's the automatic loudspeaker of locomotive again.

The technical solution of the utility model is: the utility model is made of switch, auxiliary reclay and the time relay, (1) stationary contact of switch connects an end of power supply, and the moving contact of switch is the other end of the coil series connection power supply of the normally opened contact by auxiliary reclay 2KA and time relay 2KT 6.; (2) coil of a, auxiliary reclay 1KA and time relay 1KT normally closed contact and switch S F ₁Series connection; The coil series connection of the normally opened contact of b, auxiliary reclay 1KA and time relay 1KT; The normally closed contact of the normally opened contact of c, time relay 1KT and time relay 2KT is connected with the coil of auxiliary reclay 2KA; The normally opened contact of d, auxiliary reclay 1KA and the series connection of contactor KM coil; A, b, c, the parallel connection of d circuit are attempted by both ends of power; (3) at switch S F ₁On be parallel with the normally opened contact of auxiliary reclay 1KA, the normally opened contact of time relay 2KT; On the normally opened contact of time relay 1KT, be parallel with the normally opened contact of auxiliary reclay 2KA.

A 8. end of the coil series connection power supply of the normally opened contact by auxiliary reclay 2KA and time relay 3KT of the moving contact of said switch SA in the technical solutions of the utility model.

A 10. end of the coil series connection power supply of the normally opened contact by auxiliary reclay 2KA and time relay 4KT of the moving contact of said switch SA in the technical solutions of the utility model.

2. the moving contact of said switch SA connects an end of power supply in the technical solutions of the utility model by the coil of contactor KM, and moving contact is 4. by switch S F ₂Connect an end of power supply with the coil of contactor KM.

Also be serially connected with the normally closed contact of time relay 3KT, 4KT in the technical solutions of the utility model in the coil series circuit of the normally closed contact of the normally opened contact of said time relay 1KT and time relay 2KT and auxiliary reclay 2KA.

Said switch S F in the technical solutions of the utility model ₁Go up the normally opened contact of going back and being connected to time relay 3KT, 4KT.

The utility model had both kept manually pressing aloud the function of loudspeaker, increased the automatic discontinuous function of ringing of loudspeaker again, can warn the pedestrian notes, can drive and when feeling tired, absent minded in the head driver time again, warn oneself, alleviated driver's labour intensity, can be primarily focused on simultaneously in other operations, thereby avoided the accident in the driving to take place, increased the safety coefficient in the driving.

Description of drawings

Accompanying drawing is an electrical schematic diagram of the present utility model.

Embodiment

As shown in the figure, the utility model is by switch SA, auxiliary reclay 1KA, 2KA, and time relay 1KT, 2KT, 3KT, 4KT constitute, 1., 3., 5., 7., 9. the stationary contact of switch SA connects an end of power supply, the moving contact of switch SA 2., 4., 6., 8., 10. with the other end of other components and parts series connection power supplys, concrete annexation is: 2. moving contact connects an end of power supply by contactor KM coil, moving contact is 4. through switch S F ₂Connect an end of power supply with contactor KM coil, switch SA 1. and 2., 3. and 4. constitute the hand switch of loudspeaker; Moving contact is 6. through the normally opened contact 2KA of auxiliary reclay 2KA ₂With an end of the coil series connection power supply of time relay 2KT, moving contact is 8. through the normally opened contact 2KA of auxiliary reclay 2KA ₃With an end of the coil series connection power supply of time relay 3KT, moving contact is 10. through the normally opened contact 2KA of auxiliary reclay 2KA ₄With an end of the coil series connection power supply of time relay 4KT, switch SA 5. and 6., 7. and 8., 9. and 10. constitute automatic discontinuous the ring switch of loudspeaker under three kinds of situations; The normally closed contact 1KT of time relay 1KT ₂Coil and switch S F with auxiliary reclay 1KA ₁Series connection is attempted by both ends of power; The normally opened contact 1KA of auxiliary reclay 1KA ₂Be attempted by both ends of power with the coil series connection of time relay 1KT; The normally opened contact 1KT of time relay 1KT ₁Normally closed contact 2KT with time relay 2KT, 3KT, 4KT ₂, 3KT ₂, 4KT ₂And the series connection of the coil of auxiliary reclay 2KA is attempted by the two ends of power supply.Time relay 1KT normally opened contact 1KT ₁On be parallel with auxiliary reclay 2KA normally closed contact 2KA ₁Auxiliary reclay 1KA normally opened contact 1KA ₃Connect with contactor KM and to be attempted by the two ends of power supply, switch S F ₁On also be parallel with the normally opened contact 1KA of auxiliary reclay 1KA ₁, time relay 2KT, 3KT, 4KT normally opened contact 2KT ₁, 3KT ₁, 4KT ₁, the normally opened contact KM of contactor KM ₁With the two ends of electric pneumatic valve Y and series connection power supply, normally opened contact KM ₂Two ends with signal lamp DX series connection power supply.The working condition of electric pneumatic valve Y control loudspeaker.

Principle of work: when quiet, the moving contact of switch SA 1., when 2. connecting, contactor KM coil is charged, contactor KM normally opened contact KM ₁, KM ₂Closure, electric pneumatic valve Y and signal lamp DX are in duty always; When quiet, the moving contact of switch SA 3., when 4. connecting, press switch S F ₂, contactor KM coil is charged, contactor KM normally opened contact KM ₁, KM ₂Closure, electric pneumatic valve Y and signal lamp DX can be at switch S F ₂Control interruption work down; When quiet, the moving contact of switch SA 5., when 6. connecting, press starting switch SF ₁, auxiliary reclay 1KA gets electric, auxiliary reclay 1KA normally opened contact 1KA ₁Closure makes auxiliary reclay 1KA keep charged, normally closed contact 1KA ₂Closure makes time relay 1KT get electric timing and begins, and timing is set at 5 seconds, the normally opened contact 1KA of auxiliary reclay 1KA ₃Closure, contactor KM gets electric, electric pneumatic valve Y and signal lamp DX work, time relay 1KT timing normally closed contact 1KT after 5 seconds ₂Disconnect auxiliary reclay 1KA dead electricity, its normally opened contact 1KA ₂Disconnect time relay 1KT dead electricity, its normally opened contact 1KA ₃Disconnect contactor KM ₁, KM ₂Disconnect, solenoid valve Y and signal lamp DX work stop; When time relay 1KT timing to 5 second, its normally opened contact 1KT ₁Closure, it is electric that auxiliary reclay 2KA is got, and time relay 2KT was picked up counting 5 seconds, then back time relay 2KT normally opened contact 2KT ₁Closure makes auxiliary reclay 1KA get electric work, finishes first circulation, thereby makes electric pneumatic valve Y work 5 seconds discontinuously, stops 5 seconds.In like manner,, moving contact quiet as switch SA 7., be set at electric pneumatic valve Y work 5 seconds when 8. connecting, stopped 15 seconds,, moving contact quiet as switch SA 9., when 10. connecting, be set at electric pneumatic valve Y work 5 seconds stopped 30 seconds.

Claims

1, the automatic loudspeaker of a kind of railway locomotive is characterized in that being made of switch SA, auxiliary reclay 1KA, 2KA and time relay KT,

(1) 6. the moving contact of switch SA passes through the normally opened contact 2KA of auxiliary reclay 2KA ₂End with the coil series connection power supply of time relay 2KT;

(2) the normally closed contact 1KT of a, auxiliary reclay 1KA coil and time relay 1KT ₂With switch S F ₁Series connection; The normally opened contact 1KA of b, auxiliary reclay 1KA ₂Coil series connection with time relay 1KT; The normally opened contact 1KT of c, time relay 1KT ₁Normally closed contact 2KT with time relay 2KT ₂Connect with the coil of auxiliary reclay 2KA; The normally opened contact 1KA of d, auxiliary reclay 1KA ₃Connect with contactor KM; A, b, c, the parallel connection of d circuit are attempted by both ends of power;

(3) at switch S F ₁On be parallel with the normally opened contact 1KA of auxiliary reclay 1KA ₁, time relay 2KT normally opened contact 2KT ₁Normally opened contact 1KT at time relay 1KT ₁On be parallel with often opening of auxiliary reclay 2KA and touch 2KA ₁The point.

2, the automatic loudspeaker of railway locomotive according to claim 1 is characterized in that 8. the moving contact of said switch SA passes through the normally opened contact 2KA of auxiliary reclay 2KA ₃End with the coil series connection power supply of time relay 3KT.

3, the automatic loudspeaker of railway locomotive according to claim 1 is characterized in that 10. the moving contact of said switch SA passes through the normally opened contact 2KA of auxiliary reclay 2KA ₄End with the coil series connection power supply of time relay 4KT.

4, the automatic loudspeaker of railway locomotive according to claim 1 is characterized in that 2. the moving contact of said switch SA connects an end of power supply by contactor KM, and moving contact is 4. by switch S F ₂Connect power supply one end with contactor KM.

5,, it is characterized in that the normally opened contact 1KT of said time relay 1KT according to claim 1, the automatic loudspeaker of 2 or 3 described railway locomotives ₁Normally closed contact 2KT with time relay 2KT ₂With the normally closed contact 3KT that also is serially connected with time relay 3KT, 4KT in the coil series circuit of auxiliary reclay 2KA ₂, 4KT ₂

6, according to claim 1, the automatic loudspeaker of 2 or 3 described railway locomotives, it is characterized in that said switch S F ₁Go up the normally opened contact 3KT that goes back and be connected to time relay 3KT, 4KT ₁, 4KT ₁