CN207416816U - Pure electric coach brakes helping air supply system - Google Patents

Abstract

The utility model provides pure electric coach braking helping air supply system; it includes electric compressor, drier, four-loop protection valve, preceding bridge brake circuit gas receiver, rear axle brake circuit gas receiver, parking braking gas receiver, auxiliary gas gas receiver; first baroceptor and the second baroceptor are connected with the input terminal of complete bus controller for electric bus, and the output terminal of complete bus controller for electric bus is connected with solenoid valve.Advantage：When atmospheric pressure value in current bridge brake circuit gas receiver or rear axle brake circuit gas receiver is reduced to system supply speed and is difficult to meet corresponding gas equipment, first baroceptor or the second baroceptor feedback are in complete bus controller for electric bus, complete bus controller for electric bus is to solenoid valve input control signal, solenoid valve is controlled to open, start to be supplied to gas system from gascollecting cap cylinder, and then ensure supply speed disclosure satisfy that each gas equipment and system with gas velocity degree, avoid car braking sluggish.

Description

Pure electric coach brakes helping air supply system

Technical field：

The utility model is related to pure electric coach air supply system technical field, more particularly to pure electric coach braking auxiliary supplies Gas system.

Background technology：

At present, pure electric coach mostly using electric compressor as vehicle gas feed unit, conventional pure electric coach Air supply system is the compressed air of electric compressor discharge, is drained into drier by pipeline and is dried, is discharged into afterwards four times Valve is protected on road, is re-supplied and is used to preceding bridge brake circuit gas receiver, rear axle brake circuit gas receiver, parking braking gas receiver, auxiliary Gas gas receiver, so realize car braking or for other gas equipments of car.

The air supply system of conventional pure electric coach can only generally meet the braking of car in urban pavement when driving, and pure electricity Dynamic car is needed at some on the complex road surface frequently braked, and particularly on the road surface of mountain area when driving, passes through electric compressor Supply, supply speed be often difficult to each gas equipment for meeting car and system with gas velocity degree, cause system air pressure unstable It is fixed, it be easy to cause phenomena such as braking is sluggish, and brake force is lost and occurs.

Utility model content：

It is required steady when driving in complex road surface the purpose of this utility model is to provide pure electric coach can be effectively ensured Determine the pure electric coach braking helping air supply system of air pressure.

The utility model provide pure electric coach braking helping air supply system, including electric compressor, drier, four times Road protection valve, preceding bridge brake circuit gas receiver, rear axle brake circuit gas receiver, parking braking gas receiver, auxiliary gas gas receiver, The gas outlet of the electric compressor is connected by pipeline with the air inlet of the drier, the gas outlet of the drier and institute State the air inlet connection of four-loop protection valve, four gas outlets of the four-loop protection valve by pipeline respectively with the preceding bridge Brake circuit gas receiver, the rear axle brake circuit gas receiver, the parking braking gas receiver, the auxiliary are connected with gas gas receiver It connects；It further includes gascollecting cap cylinder, pressure reducing valve, solenoid valve, the first baroceptor and the second baroceptor, the high pressure storage The outlet of inflator is connected by pipeline with the import of the pressure reducing valve, and the outlet of the pressure reducing valve connects with the electromagnetic valve entrance Logical, the electromagnetic valve outlet is connected by pipeline with the air inlet of the four-loop protection valve；It is stored up in the preceding bridge brake circuit First baroceptor is equiped with inside inflator, is equiped with second gas inside bridge brake circuit gas receiver in the rear Pressure sensor；The input terminal of first baroceptor and second baroceptor with complete bus controller for electric bus Connection, the output terminal of the complete bus controller for electric bus are connected with the solenoid valve.

The advantages of the utility model：Pure electric coach brakes the preceding bridge brake circuit gas receiver and rear axle of helping air supply system The first baroceptor and the second baroceptor, current bridge brake circuit gas receiver are separately installed in brake circuit gas receiver Or the atmospheric pressure value in rear axle brake circuit gas receiver is reduced to system supply speed when being difficult to meet corresponding gas equipment, the first gas In complete bus controller for electric bus, complete bus controller for electric bus is defeated to solenoid valve for pressure sensor or the second baroceptor feedback Enter control signal, control solenoid valve is opened, starts to be supplied to gas system from gascollecting cap cylinder, and then ensures supply speed Disclosure satisfy that each gas equipment and system with gas velocity degree, avoid occurring phenomena such as car braking is sluggish, and brake force is lost.

Description of the drawings：

Fig. 1 is the overall structure diagram of the utility model.

Reference numeral in figure is：Parking braking gas receiver 1, preceding bridge brake circuit gas receiver 2, the first baroceptor 3, Rear axle brake circuit gas receiver 4, the second baroceptor 5, auxiliary gas gas receiver 6, four-loop protection valve 7, drier 8, electricity Dynamic air compressor machine 9, solenoid valve 10, pressure reducing valve 11, gascollecting cap cylinder 12, external high pressure aerating mouth 13, complete bus controller for electric bus 14。

Specific embodiment：

As shown in Figure 1, pure electric coach brakes helping air supply system, including electric compressor 9, drier 8, four circuits Protect valve 7, preceding bridge brake circuit gas receiver 2, rear axle brake circuit gas receiver 4, parking braking gas receiver 1, auxiliary gas gas storage Cylinder 6, the gas outlet of electric compressor 9 is connected by pipeline with the air inlet of drier 8, the gas outlet of drier 8 and four circuits Protect the air inlet connection of valve 7, four gas outlets of four-loop protection valve 7 by pipeline respectively with preceding bridge brake circuit gas receiver 2nd, rear axle brake circuit gas receiver 4, parking braking gas receiver 1, auxiliary gas gas receiver 6 connect；It further includes gascollecting cap cylinder 12nd, pressure reducing valve 11, solenoid valve 10, the first baroceptor 3 and the second baroceptor 5, the outlet of gascollecting cap cylinder 12 pass through Pipeline is connected with the import of pressure reducing valve 11, and the outlet of pressure reducing valve 11 is connected with 10 entrance of solenoid valve, and the outlet of solenoid valve 10 passes through pipe Road is connected with the air inlet of four-loop protection valve 7；The first baroceptor 3 is equiped with inside preceding bridge brake circuit gas receiver 2, The second baroceptor 5 is equiped with inside rear axle brake circuit gas receiver 4；First baroceptor 3 and the second air pressure sensing Input terminal of the device 5 with complete bus controller for electric bus 14 is connected, the output terminal and solenoid valve of complete bus controller for electric bus 14 10 connections.

Bridge brake circuit gas receiver 2 and rear axle brake circuit gas storage before being set by complete bus controller for electric bus 14 The nominal pressure value of cylinder 4, the first baroceptor 3 and the second baroceptor 5 can correspond to bridge brake circuit before monitoring in real time The air pressure inside of gas receiver 2 and rear axle brake circuit gas receiver 4 and to send the actual pressure value detected to electric motor coach whole The actual pressure value received is compared with nominal pressure value for vehicle controller 14, complete bus controller for electric bus 14；Work as reality When border atmospheric pressure value is less than nominal pressure value, complete bus controller for electric bus 14 sends enabling signal to solenoid valve 10, at this point, high pressure Gases at high pressure in gas receiver 12 after the decompression of pressure reducing valve 11 through four-loop protection valve 7 into preceding bridge brake circuit gas receiver 2, Rear axle brake circuit gas receiver 4, parking braking gas receiver 1, auxiliary gas gas receiver 6, to supplement enough gas；When actual gas When pressure value reaches nominal pressure value, complete bus controller for electric bus 14 sends shutdown signal, gascollecting cap cylinder 12 to solenoid valve 10 Stop bridge brake circuit gas receiver 2, rear axle brake circuit gas receiver 4, parking braking gas receiver 1, auxiliary gas gas receiver 6 forward Interior make-up gas.

Operation principle：Before pure electric coach driving, the gases at high pressure of 30MPa are added in by external high pressure aerating mouth 13 In gascollecting cap cylinder 12, the atmospheric pressure value detected is real-time transmitted to electronic by the first baroceptor 3 or the second baroceptor 5 Car entire car controller 14, when the atmospheric pressure value that complete bus controller for electric bus 14 receives is less than complete bus controller for electric bus 14 During the nominal pressure value of setting, the atmospheric pressure value before explanation in bridge brake circuit gas receiver 2 or rear axle brake circuit gas receiver 4 reduces It is difficult to meet corresponding gas equipment to system supply speed, at this point, complete bus controller for electric bus 14 is opened to the transmission of solenoid valve 10 Dynamic signal, control solenoid valve 10 are opened, and the pressure reducing valve 11 being connected with gascollecting cap cylinder 12 is by the high pressure air reducing of 30MPa for just Gas after decompression, by solenoid valve 10 is passed through to four-loop protection valve 7, finally enters preceding bridge by often air pressure needed for driving afterwards To provide enough gas in brake circuit gas receiver 2 or rear axle brake circuit gas receiver 4, meet corresponding gas equipment and use, So as to achieve the purpose that quickly to establish air pressure needed for normal driving；When the atmospheric pressure value that complete bus controller for electric bus 14 receives reaches During the nominal pressure value set to complete bus controller for electric bus 14, bridge brake circuit gas receiver 2 and rear axle are braked back before explanation Air pressure in road gas receiver 4 has reached the requirement with gas velocity degree for meeting each gas equipment and system, electric motor coach full-vehicle control Device 14 sends shutdown signal, and the gas in gascollecting cap cylinder 12 stops supplying to each gas receiver, cuts off helping air supply gas circuit.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model Protection domain within.

Claims (1)

1. pure electric coach brakes helping air supply system, including electric compressor, drier, four-loop protection valve, preceding bridge system Dynamic circuit gas receiver, rear axle brake circuit gas receiver, parking braking gas receiver, auxiliary gas gas receiver, the electric compressor Gas outlet connected by pipeline with the air inlet of the drier, the gas outlet of the drier and the four-loop protection valve Air inlet connection, four gas outlets of the four-loop protection valve by pipeline respectively with the preceding bridge brake circuit gas storage Cylinder, the rear axle brake circuit gas receiver, the parking braking gas receiver, the auxiliary are connected with gas gas receiver；Its feature exists In further including gascollecting cap cylinder, pressure reducing valve, solenoid valve, the first baroceptor and the second baroceptor, the high pressure storage The outlet of inflator is connected by pipeline with the import of the pressure reducing valve, and the outlet of the pressure reducing valve connects with the electromagnetic valve entrance Logical, the electromagnetic valve outlet is connected by pipeline with the air inlet of the four-loop protection valve；It is stored up in the preceding bridge brake circuit First baroceptor is equiped with inside inflator, is equiped with second gas inside bridge brake circuit gas receiver in the rear Pressure sensor；The input terminal of first baroceptor and second baroceptor with complete bus controller for electric bus Connection, the output terminal of the complete bus controller for electric bus are connected with the solenoid valve.