CN102963390B - Brake control device for railway carriages - Google Patents
Brake control device for railway carriages Download PDFInfo
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- CN102963390B CN102963390B CN201210178231.2A CN201210178231A CN102963390B CN 102963390 B CN102963390 B CN 102963390B CN 201210178231 A CN201210178231 A CN 201210178231A CN 102963390 B CN102963390 B CN 102963390B
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Abstract
The invention provides a brake control device for railway carriages. The brake control device comprises a brake air cylinder, a brake controller, an electric pneumatic change-over valve, a relay valve, an emergency electromagnetic valve, a load adjustment valve, a brake two-way valve, a distribution valve and a working air cylinder, wherein the brake controller outputs a current signal for to the electric pneumatic change-over valve; the electric pneumatic change-over valve converts the current signal into a pilot control pressure signal and then sends to a first pressure input port of the relay valve; the relay valve performs flow amplification on the pilot control pressure signal and inputs a brake cylinder pipe; two pressure input ports of the brake two-way valve are respectively connected with pressure output ports of the emergency electromagnetic valve and the distribution valve through pipelines; the pressure input port of the brake two-way valve is connected with a second pressure input port of the relay valve through the load adjustment valve; and an adjustment signal input port of the load adjustment valve is communicated with two air springs. According to the brake control device, a microcomputer controlled direct electric pneumatic brake system and an air automatic brake system are integrated. Under normal conditions, the direct system is used; and the automatic system is taken as a safe brake method to satisfy rescue and loopback requirements.
Description
Technical field
The present invention relates to a kind of railway passenger Vehicular brake control apparatus, for the brake action on fixing marshalling passenger train, belong to passenger train brake system technical field.
Background technology
In the brake system of passenger train at home, the mainly traditional air damper generally used at present.Conventional air brake action principle is all produce brake action according to the decompression of train pipe.The difference of decompression amount forms the braking force size of different stage.Because the speed of air pressure wave transmission is slow, in first draft group situation, often because the delay of command causes train to have certain longitudinal impulse, affect the traveling comfort that passenger takes.Inside brake producer of state also carries out improvement design to traditional air damper, develops electric control motivation.Although two electric control motivations have had very large improvement in braking propagation rate transmission, shorten idling braking time, impact has had some improvement; But due to the operation way of passenger train uniqueness and the stability of valve still having a certain distance, do not obtain entrucking widely in each road bureau and use.Therefore, basic on passenger train still conventional air brake.
Summary of the invention
Technical matters to be solved by this invention is, overcomes the above-mentioned deficiency of prior art, provides a kind of railway passenger Vehicular brake control apparatus, is integrated with microcomputer and controls through-type electrodynamic braking system and air self acting brake system.
In order to solve above technical matters, railway passenger Vehicular brake control apparatus provided by the invention, it is characterized in that comprising: braking reservoir, brake controller, the empty change over valve of electricity, relay valve, urgent electromagnetic valve, load inversion valve, braking two-way valve, distributing valve and work reservoir, described braking reservoir is by pipeline and the empty change over valve of electricity, relay valve, urgent electromagnetic valve, distributing valve is connected, described work reservoir is connected with distributing valve, described brake controller gathers brake cylinder pipe pressure by pressure sensor, brake controller exports corresponding current signal according to receiving retrostage bit instruction to the empty change over valve of electricity, the current signal received is transferred to the first pressure introduction port that corresponding pre-control pressure signal is delivered to relay valve by the empty change over valve of electricity, this pre-control pressure signal is carried out Flow amplification and input brake earthen pipe by relay valve, two pressure introduction port of described braking two-way valve are connected with the Output pressure port of urgent electromagnetic valve, distributing valve respectively by the road, the Output pressure port of braking two-way valve is connected with the second pressure introduction port of relay valve through load inversion valve, and the adjustment signal input port of described load inversion valve is communicated with two air bellows.
The empty change over valve of service braking route brake controller, relay valve and electricity realizes.Brake controller produces the current signal corresponding with it according to the retrostage bit instruction size received, the empty change over valve of electricity is according to the current signal of input, changed by electric space-variant and produce the pre-governor pressure corresponding with it, relay valve carries out Flow amplification to pre-governor pressure, forms service braking effect.The urgent electromagnetic valve of described emergency braking route, load regulating valve, relay valve realize.Urgent electromagnetic valve adopts the form of dead electricity braking, is controlled by urgent brake circuit on car, opens pipeline, closing pipe line when obtaining electric during dead electricity; Load regulating valve adjusts delivery pressure according to load signal, and make the braking ratio that each workshop keeps relatively consistent, load signal comes from the pressure of air bellow.Alternate brake route assignment valve, work reservoir and two-way valve realize, the control presssure input end of distributing valve is connected with Combined dust collector, emergency brake system realizes according to the decompression amount of brake cylinder pipe pressure air, braking earthen pipe decompression after, braking reservoir in pressurized air will by distributing valve through two-way valve to load regulating valve air feed.
The present invention is integrated with microcomputer and controls through-type electrodynamic braking system and air self acting brake system.Use through type system under normal circumstances, self acting system as safety arrestment mode, with satisfied rescue, loopback needs.
Further; railway passenger Vehicular brake control apparatus of the present invention; also comprise connect successively park reducing valve, impulse electromagnetic valve, park two-way valve; described braking reservoir with park reducing valve and be connected; two pressure input parking two-way valve connect impulse electromagnetic valve, braking earthen pipe respectively, the pressure output end parking two-way valve with park earthen pipe and be connected, described impulse electromagnetic valve has energized action; the feature that dead electricity keeps, avoids due to the charged problem causing coil impaired for a long time; Its also comprise be installed on park two-way valve pressure output end park pressure test tap, described in park pressure test tap and be connected with the first pressure switch, the signal output part of the first pressure switch connects vehicle electric loop.
Park reducing valve restriction and enter the pressure size of parking cylinder, impulse electromagnetic valve ensure that the applying/alleviation of parking.Setting is parked pressure switch (the first pressure switch) and can be convenient to monitor parking pressure.Park the principle that two-way valve performs high priority, prevent braking force excessive, avoid the superposition of parking brake and service braking.
Further, railway passenger Vehicular brake control apparatus of the present invention, also comprise the brake-cylinder pressure test splice be connected with relay valve output port, described brake-cylinder pressure test splice is connected with the second pressure switch, and the signal output part of the second pressure switch connects brake controller.
Visible, the present invention on parking brake road, relay valve exports road and is all provided with pressure switch, ensure that vehicle to parking the state of applying, brake-cylinder pressure state detects, and is convenient to the chain control of traction braking.
Further, railway passenger Vehicular brake control apparatus of the present invention, also there is total reservoir, braking reservoir and hang reservoir, total reservoir air extractor duct through filter with braking reservoir with hang reservoir and be connected, reducing valve and the first check valve is set gradually between total reservoir and suspension reservoir, arrange the second check valve between total reservoir air extractor duct and braking reservoir, described suspension reservoir air outlet is connected to suspension test splice.
Braking reservoir as the air feed of brake system, meet parking brake, service braking, emergency braking and backup braking use wind demand.Braking road arranges check valve, ensure that, when total wind is under-voltage, what limitedly can meet brake system uses wind demand, ensures traffic safety.Total reservoir uses wind demand in order to what give miscellaneous equipment on brake system, the benefit wind of suspension and car.
The air outlet of described braking reservoir is connected to braking reservoir pressure test tap, for detecting braking reservoir pressure; First pressure introduction port of relay valve is connected to service braking pre-control pressure test tap, and the second pressure introduction port of relay valve is connected to emergency brake pressure test splice, is respectively used to the monitoring pre-governor pressure of service braking and emergency brake pressure.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of railway passenger Vehicular brake control apparatus of the present invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the clearly aid illustration embodiment of the present invention.
The present embodiment railway passenger Vehicular brake control apparatus, as shown in Figure 1, composition comprises: braking reservoir B03, brake controller BCU, the empty change over valve 03 of electricity, relay valve 02, urgent electromagnetic valve 04, load inversion valve 06, braking two-way valve 05, distributing valve 27 and work reservoir B05, braking reservoir B03 is by pipeline and the empty change over valve 03 of electricity, relay valve 02, urgent electromagnetic valve 04, distributing valve 27 is connected, work reservoir B05 is connected with distributing valve 27, urgent electromagnetic valve 04 is controlled by urgent brake circuit on car, and adopt the form of dead electricity braking, pipeline is opened during dead electricity, closing pipe line when obtaining electric, brake controller BCU is by pressure sensor collection braking earthen pipe BC pressure, brake controller BCU exports corresponding current signal according to receiving retrostage bit instruction to the empty change over valve 03 of electricity, the current signal received is transferred to the first pressure introduction port that corresponding pre-control pressure signal is delivered to relay valve 02 by the empty change over valve 03 of electricity, this pre-control pressure signal is carried out Flow amplification and input brake earthen pipe BC by relay valve 02, the control presssure input end of described distributing valve 27 is connected with Combined dust collector B08, two pressure introduction port of braking two-way valve 05 are connected with the Output pressure port of urgent electromagnetic valve 04, distributing valve 27 respectively by the road, the Output pressure port of braking two-way valve 05 is connected with the second pressure introduction port of relay valve 02 through load inversion valve 06, the adjustment signal input port of load inversion valve 06 is communicated with two air bellows, according to load signal (pressure signal AS1, AS2 of air bellow), delivery pressure is adjusted, make the braking ratio that each workshop keeps relatively consistent.Meanwhile, pressure signal AS1, AS2 in two air bellows also input to brake controller BCU.In Fig. 1, the direction of arrow is air flow line.
Under normal circumstances, export speed-slackening signal by brake controller BCU, realize car brakeing by electro pneumatic braking system; Braking reservoir B03 provides pressure signal through distributing valve 27, braking two-way valve 05, load regulating valve to relay valve 02, this air self acting brake system as safety arrestment mode, with satisfied rescue, loopback needs.
In embodiment as shown in Figure 1, this railway passenger Vehicular brake control apparatus also comprise connect successively park reducing valve 23, impulse electromagnetic valve 24, park two-way valve 25, braking reservoir B03 with park reducing valve 23 and be connected, two pressure input parking two-way valve 25 connect impulse electromagnetic valve 24, braking earthen pipe BC respectively, the pressure output end parking two-way valve 25 with park earthen pipe PB and be connected; Its also comprise be installed on park two-way valve 25 pressure output end park pressure test tap 18, park pressure test tap 18 and be connected with the first pressure switch 17, the signal output part of the first pressure switch 17 connects vehicle electric loop; It also comprises the brake-cylinder pressure test splice 16 be connected with relay valve 02 output port, described brake-cylinder pressure test splice 16 is connected with the second pressure switch 07, the signal output part of the second pressure switch 07 connects vehicle electric loop, brake controller BCU respectively, and brake controller BCU monitors braking steel pipe BC internal pressure.Parking brake road, relay valve export road and are all provided with pressure switch, ensure that vehicle to parking the state of applying, brake-cylinder pressure state detects, and is convenient to the chain control of traction braking.
As shown in Figure 1, the present embodiment also has the suspension reservoir B04, the first check valve 22, reducing valve 21, the total reservoir B02 that are connected successively, the air extractor duct of total reservoir B02 is connected with reducing valve 21, between total reservoir B02 air extractor duct and braking reservoir B03, the second check valve 11 is set, hangs reservoir B04 air outlet and be connected to suspension test splice 20.The air outlet of braking reservoir B03 is connected to braking reservoir pressure test tap 13, for detecting braking reservoir pressure; First pressure introduction port of relay valve 02 is connected to service braking pre-control pressure test tap 15, and the second pressure introduction port of relay valve 02 is connected to emergency brake pressure test splice 12, is respectively used to the monitoring pre-governor pressure of service braking and emergency brake pressure.In Fig. 1,08 is braking earthen pipe cut out cock, and 09 is total wind cut out cock, and 10 is total wind filter, and 14 is braking reservoir cut out cock, and 19 for hanging cut out cock, and 26 for parking cut out cock.The total wind cut out cock 09 be connected with total reservoir B02 in braking force control system does not have side air-exhausting function, and the braking reservoir cut out cock 14 be arranged between braking reservoir B03 and the second check valve 11 has side air-exhausting function.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (9)
1. railway passenger Vehicular brake control apparatus, it is characterized in that comprising: braking reservoir, brake controller, the empty change over valve of electricity, relay valve, urgent electromagnetic valve, load inversion valve, braking two-way valve, distributing valve and work reservoir, described braking reservoir is by pipeline and the empty change over valve of electricity, relay valve, urgent electromagnetic valve, distributing valve is connected, described work reservoir is connected with distributing valve, described brake controller gathers brake cylinder pipe pressure by pressure sensor, brake controller exports corresponding current signal according to receiving retrostage bit instruction to the empty change over valve of electricity, the current signal received is transferred to the first pressure introduction port that corresponding pre-control pressure signal is delivered to relay valve by the empty change over valve of electricity, this pre-control pressure signal is carried out Flow amplification and input brake earthen pipe by relay valve, two pressure introduction port of described braking two-way valve are connected with the Output pressure port of urgent electromagnetic valve, distributing valve respectively by the road, the Output pressure port of braking two-way valve is connected with the second pressure introduction port of relay valve through load inversion valve, and the adjustment signal input port of described load inversion valve is communicated with two air bellows.
2. railway passenger Vehicular brake control apparatus according to claim 1, it is characterized in that: also comprise connect successively park reducing valve, impulse electromagnetic valve, park two-way valve, described braking reservoir with park reducing valve and be connected, two pressure input parking two-way valve connect impulse electromagnetic valve, braking earthen pipe respectively, the pressure output end parking two-way valve with park earthen pipe and be connected.
3. railway passenger Vehicular brake control apparatus according to claim 2, it is characterized in that: also comprise be installed on park two-way valve pressure output end park pressure test tap, described pressure test tap of parking is connected with the first pressure switch, and the signal output part of the first pressure switch is connected to vehicle electric loop.
4. railway passenger Vehicular brake control apparatus according to claim 1, it is characterized in that: also comprise the brake-cylinder pressure test splice be connected with relay valve output port, described brake-cylinder pressure test splice is connected with the second pressure switch, and the signal output part of the second pressure switch connects brake controller.
5. railway passenger Vehicular brake control apparatus according to claim 1, is characterized in that: described urgent electromagnetic valve adopts the form of dead electricity braking, opens pipeline, closing pipe line when obtaining electric during dead electricity.
6. railway passenger Vehicular brake control apparatus according to claim 1, is characterized in that: the control presssure input end of described distributing valve is connected with Combined dust collector.
7. railway passenger Vehicular brake control apparatus according to claim 1, it is characterized in that: also there is total reservoir, hang reservoir, total reservoir air extractor duct through filter with braking reservoir with hang reservoir and be connected, reducing valve and the first check valve is set gradually between total reservoir and suspension reservoir, arrange the second check valve between total reservoir air extractor duct and braking reservoir, described suspension reservoir air outlet is connected to suspension test splice.
8. railway passenger Vehicular brake control apparatus according to claim 1, is characterized in that: described urgent electromagnetic valve is controlled by urgent brake circuit on car.
9. railway passenger Vehicular brake control apparatus according to claim 1, is characterized in that: the air outlet of described braking reservoir is connected to braking reservoir pressure test tap, for detecting braking reservoir pressure; First pressure introduction port of relay valve is connected to service braking pre-control pressure test tap, and the second pressure introduction port of relay valve is connected to emergency brake pressure test splice, is respectively used to the monitoring pre-governor pressure of service braking and emergency brake pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210178231.2A CN102963390B (en) | 2012-05-31 | 2012-05-31 | Brake control device for railway carriages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210178231.2A CN102963390B (en) | 2012-05-31 | 2012-05-31 | Brake control device for railway carriages |
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| CN102963390A CN102963390A (en) | 2013-03-13 |
| CN102963390B true CN102963390B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210178231.2A Active CN102963390B (en) | 2012-05-31 | 2012-05-31 | Brake control device for railway carriages |
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| CN104149813B (en) * | 2014-08-25 | 2016-07-06 | 南车株洲电力机车有限公司 | A kind of rail vehicle and alleviation parking brake system thereof |
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| CN105109474B (en) * | 2015-09-28 | 2017-12-15 | 中车资阳机车有限公司 | A kind of locomotive parking brake control system and its control method |
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| CN115214583B (en) * | 2022-07-26 | 2023-09-22 | 眉山中车制动科技股份有限公司 | Control system of electric air brake valve of railway wagon |
| CN116729335B (en) * | 2023-07-25 | 2024-04-02 | 克诺尔车辆设备(苏州)有限公司 | Vehicle brake control system and control method |
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Address after: 211800 No. 10, prosperous road, Nanjing, Jiangsu Patentee after: Nanjing Zhongche town Haitai Brake Equipment Co Ltd Address before: 211800 No. 10, prosperous road, Nanjing, Jiangsu Patentee before: Nanjing Puzhen Haitai Brake Equipment Co., Ltd. |