CN104792556A - Brake simulation test device - Google Patents
Brake simulation test device Download PDFInfo
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- CN104792556A CN104792556A CN201410024393.XA CN201410024393A CN104792556A CN 104792556 A CN104792556 A CN 104792556A CN 201410024393 A CN201410024393 A CN 201410024393A CN 104792556 A CN104792556 A CN 104792556A
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- circuit
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- chip microcomputer
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- Electric Propulsion And Braking For Vehicles (AREA)
- Braking Systems And Boosters (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention provides a brake simulation test device, which belongs to the technical field of railway locomotive brake simulation tests, mainly to solve the problem that when the locomotive is back to a factory for overhaul, a locomotive running main engine is disassembled but can not be back to the factory, and thus, effectiveness of a common brake device can not be ensured, and great inconvenience is caused to use of a user. According to the brake simulation test device of the invention, an output end of a common brake and emergency brake switch input circuit is connected with a single chip microcomputer circuit; the output end of the single chip microcomputer circuit is connected with an input end of a power amplifier output circuit; and a power supply circuit is respectively connected with the common brake and emergency brake switch input circuit, the single chip microcomputer circuit and the power amplifier output circuit. According to an action sequence of the common brake device in the system and a system air pressure change sequence, the brake simulation test device for the locomotive running device is designed. The brake simulation test device of the invention has the advantages that the size is small, the weight is light, the operation is convenient, a common brake device test can be effectively carried out, and performance of the common brake device can be ensured.
Description
Technical field
The invention belongs to railway locomotive braking modelling technique field, specifically relate to clamping device when simulation railway locomotive runs.
Background technology
Clamping device on railway locomotive is the critical component that train operating safety device action is implemented, and must ensure the normal performance of its systemic-function during train operation; Service braking device is all equipped with at present, locomotive, but locomotive enter factory carry out performance reproduce formula overhaul time, train operation main frame is substantially all disassembled and fails into factory.Each overhaul unit all cannot carry out overhauling and testing according to the former design configurations of train operation, cannot ensure the validity of service braking device.And service braking relates to the aspects such as host line, two ends channel line, various valve class, Pneumatic brake systems, multiplex's kinds such as pipeline, valve class, electrician are related to during debugging, needs are had a wide range of knowlege, if not testing it when overhauling, will use cause very big inconvenience to user.
Summary of the invention
Object of the present invention provides one directly can detect service braking device performance for above-mentioned weak point exactly, and volume is little, lightweight, easy to operate, effectively can carry out service braking device experiment, ensure the brake simulation tester of service braking device performance.
Technology case solution of the present invention is: the service braking of brake simulation tester and the output terminal of emergency stop switch amount input circuit connect single chip circuit, the input end of the output termination power amplification output circuit of single chip circuit, power circuit connects service braking and emergency stop switch amount input circuit and single chip circuit respectively, and power amplification output circuit.
Described in technical solution of the present invention
'spower circuit be 110V power supply through switch power module U2 for the single-chip microcomputer U1 in single chip circuit provides 5V direct supply, for power amplification output circuit provides+15V driving power, 110V power supply by two pole D1 and insurance FU1 meet switch power module U2.
Described in technical solution of the present invention
'spower amplification output circuit is the single-chip microcomputer U1 connect by the emission side of photoisolator U3 in single chip circuit, the outgoing side of photoisolator U3 connects MOS circuit through current-limiting resistance R1, R2, MOS circuit connects No. 1, No. 3, No. 8, DKF valve coil through the output OUT1 of diode D2, current-limiting resistance R2 is in series with sustained diode 3.
Brake simulation tester of the present invention is according to service braking device sequence of movement in systems in which and system air pressure change order, the brake simulation tester of design train operation device; The present invention utilizes the control section of single-chip microcomputer and power amplifier element simulation service braking device to output signal, and controls service braking device action, thus reaches and test service braking; Volume of the present invention is little, lightweight, easy to operate, effectively can carry out service braking device experiment, ensures the performance of service braking device.
Accompanying drawing explanation
Fig. 1 is block scheme of the present invention.
Fig. 2 is schematic diagram of the present invention.
Fig. 3 is service braking device principle of work schematic diagram.
Embodiment
As shown in Figure 1, the present invention is by service braking and emergency stop switch amount input circuit 1, single chip circuit 2, power amplification output circuit 3 and power circuit 4 form, the output terminal of service braking and emergency stop switch amount input circuit 1 meets the single-chip microcomputer U1 in single chip circuit 2, the input end of the output termination power amplification output circuit 3 of single-chip microcomputer U1, power circuit 4 meets service braking and emergency stop switch amount input circuit 1 and single-chip microcomputer U1 respectively, and power amplification output circuit 3, power circuit 4 is service braking and emergency stop switch amount input circuit 1, single-chip microcomputer U1 and power amplification output circuit 3 provide working power.
As shown in Figure 2, power circuit 4 is provided by outside 110V power supply, + 5V the power supply of single-chip microcomputer U1 use and the+15V driving power of power amplification output circuit 3 in single chip circuit 2 is transformed to through switch power module U2,110V power supply meets switch power module U2 by two pole D1 and insurance FU1, and 110V power supply reaches anti-reverse electricity and overload protection function by diode D1 and insurance FU1; The input signal of service braking and emergency brake circuit 1 converts on-off model to single-chip microcomputer U1 acceptable+5V d. c. voltage signal through service braking test switch K1 and emergency braking tests K switch 2 respectively by translation circuit, and signal IN1 with IN4 after conversion is directly connected with single-chip microcomputer U1 pin 12,14; Single chip circuit 2 is made up of single-chip microcomputer U1, crystal oscillator C1, magnetic sheet electric capacity C2, C3, complete the input of switching value service braking test switch K1 and emergency stop switch K2, and logical calculated calculates with timing, output signal control O1 ~ O4 totally four tunnels, are connected with photoisolator U3 output circuit in power amplification output circuit 3; Single-chip microcomputer U1 output network O4 in single chip circuit 2 controls photoisolator U3 emission side in power amplification output circuit 3, + 15V driving power is connect MOS circuit through current-limiting resistance R1, R2 by the outgoing side of photoisolator U3, control MOS circuit opens or closes the control reaching+110V and export through the output OUT1 of diode D2, can carry out No. 1, No. 3, No. 8, DKF valve Energy control; Complete inductive load afterflow by sustained diode 3, jointly prevent external coil from causing interference to single-chip microcomputer U1 with photoisolator U3, insure FU2 by self-recoverage, play the requirement of external loading overload protection; The present invention's identical four road circuit compositions as shown in Figure 2, the wherein road in Tu2Wei tetra-tunnel.
Principle of work: as shown in Figure 3, when implementing service braking, brake valve 1#, 3# obtain electric (110VDC), 1# valve dead electricity after 4s, (110 ± 10) kPa of blast main blast decline simultaneously.3# valve dead electricity after 15s, blast main blast recovers simultaneously, and service braking is alleviated; When implementing brake hard, brake valve 8#, DKF simultaneously electric (110VDC), blast main drops quickly to 0 in 3s, while valve 8#, DKF dead electricity; (45 ~ 60) s blast main blast recovers, and brake hard is alleviated.As shown in Figure 1, 2, before test, by corresponding to plant-grid connection locomotive monitor power lead J140, J149 of brake simulation tester of the present invention binding post; 1#, 3#, 8# and DKF signal wire is received on each engine brake valve binding post respectively, on the binding post that namely 1# signal wire Line connecting number J147 is corresponding; On the binding post that 3# signal wire Line connecting number J152 is corresponding; On the binding post that 8# and DKF signal wire Line connecting number J145 is corresponding; (1) service braking: trigger " service braking test " nonstick button, 1#, 3# export simultaneously, wherein 1# exports 4s, 3# and exports 15s, and corresponding pilot lamp (1#, 3#) lights; In the process, repeated trigger is useless; 3# lamp goes out and represents the alleviation of locomotive service braking; (2) brake hard: trigger " emergency braking tests " nonstick button, input 3s, 8#, DKF pilot lamp lights simultaneously; In the process, repeated trigger is useless; Lamp goes out and represents locomotive brake hard alleviation.
Claims (3)
1. a brake simulation tester, it is characterized in that: the output terminal of service braking and emergency stop switch amount input circuit block (1) connects single chip circuit (2), the input end of the output termination power amplification output circuit (3) of single chip circuit (2), power circuit (4) connects service braking and emergency stop switch amount input circuit (1) and single chip circuit (2) respectively, and power amplification output circuit (3).
2. brake simulation tester according to claim 1, is characterized in that: described in
'spower circuit (4) is that 110V power supply single-chip microcomputer U1 in switch power module U2 is single chip circuit (2) provides 5V direct supply, for power amplification output circuit (3) provides+15V driving power, 110V power supply meets switch power module U2 by two pole D1 and insurance FU1.
3. brake simulation tester according to claim 1, it is characterized in that: described power amplification output circuit (3) is the single-chip microcomputer U1 connect by the emission side of photoisolator U3 in single chip circuit (2), the outgoing side of photoisolator U3 connects MOS circuit through current-limiting resistance R1, R2, MOS circuit connects No. 1, No. 3, No. 8, DKF valve coil through the output OUT1 of diode D2, and Horizon that current-limiting resistance R2 connects has sustained diode 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024393.XA CN104792556A (en) | 2014-01-20 | 2014-01-20 | Brake simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024393.XA CN104792556A (en) | 2014-01-20 | 2014-01-20 | Brake simulation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104792556A true CN104792556A (en) | 2015-07-22 |
Family
ID=53557546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410024393.XA Pending CN104792556A (en) | 2014-01-20 | 2014-01-20 | Brake simulation test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104792556A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203151A (en) * | 2017-07-20 | 2017-09-26 | 上海应用技术大学 | The simulation control method of electro pneumatic braking system |
| CN107633761A (en) * | 2017-10-27 | 2018-01-26 | 天津骥腾科技有限公司 | Air path system of braking practical training equipment of urban rail transit vehicle |
| CN108039085A (en) * | 2018-01-15 | 2018-05-15 | 华东交通大学 | A kind of bicycle retardation test simulator implementation method |
-
2014
- 2014-01-20 CN CN201410024393.XA patent/CN104792556A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203151A (en) * | 2017-07-20 | 2017-09-26 | 上海应用技术大学 | The simulation control method of electro pneumatic braking system |
| CN107633761A (en) * | 2017-10-27 | 2018-01-26 | 天津骥腾科技有限公司 | Air path system of braking practical training equipment of urban rail transit vehicle |
| CN108039085A (en) * | 2018-01-15 | 2018-05-15 | 华东交通大学 | A kind of bicycle retardation test simulator implementation method |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150722 |
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| WD01 | Invention patent application deemed withdrawn after publication |