CN201955988U - Dual-loop air pressure brake training device for diesel vehicle - Google Patents
Dual-loop air pressure brake training device for diesel vehicle Download PDFInfo
- Publication number
- CN201955988U CN201955988U CN2011200368000U CN201120036800U CN201955988U CN 201955988 U CN201955988 U CN 201955988U CN 2011200368000 U CN2011200368000 U CN 2011200368000U CN 201120036800 U CN201120036800 U CN 201120036800U CN 201955988 U CN201955988 U CN 201955988U
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- brake system
- training device
- pressure brake
- diesel vehicle
- brake
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Abstract
The utility model discloses a dual-loop air pressure brake training device for a diesel vehicle, which comprises an entire vehicle air pressure brake system, a control unit and a display unit which are arranged according to a real vehicle, wherein the brake system adopts an electric air pump to replace an air compressor on an engine; a receiving sensor is arranged in the brake system; the control unit adopts a main control circuit board consisting of a singlechip, a speech decoding chip and a periphery expansion circuit; the main control circuit board is connected with the receiving sensor in the brake system through a photoelectric isolating circuit and receives an operation signal of the brake system; and the display unit adopts an LED (Light Emitting Diode) demonstrator or a computer display and a projector. According to the dual-loop air pressure brake training device, the air pressure brake system of the real vehicle is combined with a simulation demonstrating part, so that the teaching, training and fault setting are integrated and the synchronous work can be realized; the air pressure brake system can ensure trainees can simultaneously observe the work principle of an air path and see the connecting and working state of parts of the real vehicle, can replace the real vehicle to set faults and eliminate the faults for practice, allow the theory teaching to be combined with the training and provide a new teaching means for practice of automobile structures.
Description
Technical field
The utility model relates to a kind of actual training device that is used for the automobile construction teaching, the actual training device of a kind of specifically diesel vehicle two-circuit Pneumatic braking system.
Background technology
The Pneumatic braking system of existing diesel vehicle generally is provided with two-circuit Pneumatic braking system and exhaust brake and diesel engine oil-break device.In the theory teaching, because many, the complex structure of parts only is difficult to get a desired effect with teaching material or wall chart.When practising with regard to car, the concealment part of automobile, sensing element and gas circuit also are difficult to observe and test, lack the general cognition to system.At present, the Pneumatic braking system teaching apparatus of known diesel vehicle mainly is demonstrator and teaching mode, with practical structures certain difference is arranged, and is difficult to carry out the fault setting, lacks effective demonstration means simultaneously.
The utility model content
At above-mentioned existing in prior technology weak point, the utility model provides a kind of diesel vehicle two-circuit air-pressure brake actual training device, the principle of work of Pneumatic braking system is made multimedia presentation system, be combined into one with the real vehicle brake system, when the user of service operates, can show working condition by LED demonstrator, the multiple mode of giant-screen, and carry out phonetic explaining synchronously, theory teaching, real training, fault setting are integrated, make the trainee when observing principle of work, can see the connection and the duty of real vehicle parts again.
The purpose of this utility model is achieved by the following technical programs:
Diesel vehicle two-circuit air-pressure brake actual training device, it is characterized in that: comprise car load Pneumatic braking system according to the real vehicle layout, control module and display unit, brake system adopts the pneumatic plant on the electric air pump replacement engine, receiving sensor is housed in the brake system, control module adopts by single-chip microcomputer, the main control board that chip of speech decoder and peripheral expansion circuit are formed, main control board links to each other with receiving sensor in the brake system by photoelectric isolating circuit, receive the operation signal of brake system, display unit adopts LED demonstrator or graphoscope or projector.
Described main control board receives brake system operation signal and remote signal, by the LED on expanded circuit interface, the driving circuit control demonstrator.
Described main control board exports the brake system operation signal that receives to computing machine by serial communication, demonstrates synchronously by display or projector.
Described single-chip microcomputer outputs to audio amplifier with one tunnel Serial Control chip of speech decoder.
Described LED demonstrator is with the diesel vehicle Pneumatic braking system principle chart board of LED luminotron as display device.
This device also is provided with by infrared remote-control emitter and receives the romote controlled receiving system that head is formed.
The beneficial effects of the utility model are, real vehicle Pneumatic braking system and analog demenstration are partly made up, teaching, real training, fault setting are integrated, synchronous working, make the trainee when observing the gas circuit principle of work, can see the connection and the duty of real vehicle parts again, can replace real vehicle and carry out the fault setting and get rid of practice, theory teaching and real training are combined, for the teaching of automobile construction, practice provide new teaching means.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the schematic block circuit diagram of the utility model implementation column 1;
Fig. 2 is the schematic block circuit diagram of the utility model implementation column 2.
Embodiment
The utility model comprises car load Pneumatic braking system, control module and the display unit according to the real vehicle layout, comprises air compressor, exsiccator, pressure regulator valve, wet gas-holder, four-loop protection valve, gas-holder, Parking and emergency brake hand control valve, brake control valve, front wheel brake air chamber, trailing wheel composite braking air chamber, trailer braking protection valve operation valve, wheel drag, engine exhaust and brake device and alarm switch and signal indication according to the diesel vehicle Pneumatic braking system of real vehicle layout.Receiving sensor is housed in the brake system, adopts electric air pump as the pneumatic plant on the engine; Motor, audio amplifier, Switching Power Supply are directly powered by the 220V power supply; The computer plate is by the 5V DC power supply.Control module adopts the main control board of being made up of the stronger automotive grade STC10F04 single-chip microcomputer of antijamming capability, chip of speech decoder and peripheral expansion circuit, main control board links to each other with receiving sensor in the brake system by photoelectric isolating circuit, receive the operation signal of brake system, finish functions such as remote control decoding, signal Processing, the control of luminotron circuit, system principle demonstration; Display unit adopts LED demonstrator or graphoscope.Speech chip adopts WTV020SD-16S, can plug-in capacity be the SD card memory of 1GB, can load WAV formatted voice and AD4 formatted voice, has the MP3 control model.This actual training device major function comprises: the The Nomenclature Composition and Structure of Complexes of demonstration compressed air brake system, the full car gas circuit of demonstration, substep are demonstrated the working condition and the fault setting of compressed air brake system each several part.
Embodiment 1:
As shown in Figure 1, main control board links to each other with receiving sensor in the brake system by photoelectric isolating circuit, receive the operation signal or the fault detection signal of brake system, display unit adopts the LED demonstrator, described main control board receives brake system operation signal and remote signal, by expanded circuit interface 74595 and driving circuit MC1413, the work of control LED demonstrator.The LED demonstrator is with the diesel vehicle Pneumatic braking system principle chart board of LED luminotron as display device.Single-chip microcomputer outputs to audio amplifier by one tunnel Serial Control chip of speech decoder.Infrared remote-control emitter and reception head are formed a romote controlled receiving system, and control module or display unit are provided with remote signal and receive head.
Embodiment 2:
As shown in Figure 2, main control board links to each other with receiving sensor in the brake system by photoelectric isolating circuit, receive the operation signal or the fault detection signal of brake system, display unit adopts graphoscope or projector, main control board exports the brake system operation signal that receives to computing machine by serial communication RS232, and computing machine is demonstrated by display and audio amplifier.Infrared remote-control emitter and reception head are formed a romote controlled receiving system, and control module or display unit are provided with remote signal and receive head.
The real training operation is given an example:
1. before the learner's position running, must provide the 220V power supply, the energized master switch.The operation steps of practical traning platform and real vehicle operation are basic identical.
2. brake pedal
When stepping on brake pedal, at first promote two-chamber tandem brake valve epicoele piston and move down and close vent valve, open gas admittance valve, the pressurized air in the trailing wheel gas-holder enters the brake valve epicoele immediately.This pressurized air is leaded up to the gas outlet, flows into SABS.SABS is used for regulating the damping force of trailing wheel automatically with the car weight difference, satisfies the condition of best on-position.Pressurized air in the trailing wheel gas-holder after SABS is regulated air pressure, charges into the trailing wheel brake chamber, by wheel drag, produces and the corresponding damping force of pedal travel; The through hole of another road pressurized air in the tandem brake valve, flow into cavity of resorption, promotion cavity of resorption piston moves down closes vent valve, open gas admittance valve, pressurized air in the front-wheel gas-holder enters the brake valve cavity of resorption immediately, flow into the front wheel brake air chamber through gas outlet, brake piping and front-wheel quick release valve, front-wheel is produced and the corresponding damping force of pedal travel.Simultaneously, the pressurized air in the trailing wheel brake piping charges into the trailer braking protection valve operation valve, makes trailer produce braking.Simultaneously, system principle demonstration part synchronous working, and follow phonetic explaining.
3. manual parking braking valve
When manual parking braking valve handle places traveling-position; the pressurized air of coming by four-loop protection valve; through the spring energy-storage brake chamber inflation in the composite braking air chamber of hand control valve, two-way valve, quick release valve; compression spring wherein; remove parking braking, control the parking braking that trailer braking valve is removed trailer simultaneously.
When manual parking braking valve handle places parking spot, the exhaust valve opening in the hand control valve.Air pressure between hand control valve and two-way valve, trailing wheel quick release valve is discharged, and at this moment, the spring energy-storage brake chamber in the composite braking air chamber is discharged pressurized air rapidly by quick release valve, and the spring elongation produces parking braking.The braking of having avoided the hand control valve exhaust of air pressure pile warp and having produced discharges and lags behind; Another gas outlet of hand control valve is led to the trailer braking protection valve operation valve by the road simultaneously, makes trailer produce parking braking.Simultaneously, system principle demonstration part synchronous working, and follow phonetic explaining.
4. when the gas leakage of certain pipeline; after making air pressure drop to four-loop protection valve minimum safe air pressure 670kpa; to leak gas the at once charging valve of pipeline of four-loop protection valve is closed; pressure in the loop of not losing efficacy is gone back up to more than the safe pressure, make auto brake system still can guarantee the necessary brake pressure of traffic safety.
5. when service brake was lost efficacy because of certain reason, available hand control valve produced the emergency brake with the parking braking identical process.
6. when opening exhaust auxiliary braking switch, to the exhaust brake cylinder charge, the butterfly valve on the exhaust brake valve cuts out gas outlet to pressurized air by the exhaust brake solenoid valve, increase the running resistance of engine, simultaneously, the effect of oil-break manipulating cylinder, fuel system for diesel engine fuel cut-off.
7. diesel vehicle compressed air brake system telepilot uses
Quiet key---quiet;
Reset key---reset;
Numerical key 1---Pneumatic braking system is formed;
Numerical key 2---air compressor is to forward and backward gas-holder and the inflation of trailer gas-holder;
Numerical key 3---manual parking braking valve handle places traveling-position;
Numerical key 4---manual parking braking valve handle places parking spot;
Numerical key 5---step on brake pedal;
Numerical key 6---two-way valve;
Numerical key 7---lift brake pedal;
Numerical key 8---brake pedal is motionless to a certain position;
Numerical key 9---four-loop protection valve;
Key 10---when service brake was lost efficacy, hand control valve produced the emergency brake with the parking braking identical process;
Key 11---exhaust auxiliary braking.
The foregoing description only is a better embodiment of the present utility model; describe technical conceive of the present utility model and essential implementation in detail; be not to be that protection domain of the present utility model is limited; all any simple modification and equivalent structure transformation or modifications of being done according to the utility model spirit all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. diesel vehicle two-circuit air-pressure brake actual training device, it is characterized in that: comprise car load Pneumatic braking system according to the real vehicle layout, control module and display unit, brake system adopts electric air pump as the pneumatic plant on the engine, receiving sensor is housed in the brake system, control module adopts by single-chip microcomputer, the main control board that chip of speech decoder and peripheral expansion circuit are formed, main control board links to each other with receiving sensor in the brake system by photoelectric isolating circuit, receive the operation signal of brake system, display unit adopts LED demonstrator or graphoscope or projector.
2. diesel vehicle according to claim 1 two-circuit air-pressure brake actual training device is characterized in that: described main control board receives brake system operation signal and remote signal, by the LED on expanded circuit interface, the driving circuit control demonstrator.
3. diesel vehicle according to claim 1 two-circuit air-pressure brake actual training device is characterized in that: described main control board exports the brake system operation signal that receives to computing machine by serial communication, demonstrates synchronously by display or projector.
4. diesel vehicle according to claim 1 two-circuit air-pressure brake actual training device is characterized in that: described single-chip microcomputer outputs to audio amplifier with one tunnel Serial Control chip of speech decoder.
5. diesel vehicle according to claim 1 and 2 two-circuit air-pressure brake actual training device is characterized in that: described LED demonstrator is with the diesel vehicle Pneumatic braking system principle chart board of LED luminotron as display device.
6. diesel vehicle according to claim 1 two-circuit air-pressure brake actual training device is characterized in that: this device also is provided with by infrared remote-control emitter and receives the romote controlled receiving system that head is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200368000U CN201955988U (en) | 2011-02-12 | 2011-02-12 | Dual-loop air pressure brake training device for diesel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200368000U CN201955988U (en) | 2011-02-12 | 2011-02-12 | Dual-loop air pressure brake training device for diesel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201955988U true CN201955988U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200368000U Expired - Fee Related CN201955988U (en) | 2011-02-12 | 2011-02-12 | Dual-loop air pressure brake training device for diesel vehicle |
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| CN (1) | CN201955988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824507A (en) * | 2014-03-24 | 2014-05-28 | 吴兵舰 | Practice training equipment for diesel pneumatic brake system |
| CN103915007A (en) * | 2014-04-17 | 2014-07-09 | 姜斯平 | Diesel vehicle whole-vehicle rack simulation demonstration device |
-
2011
- 2011-02-12 CN CN2011200368000U patent/CN201955988U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824507A (en) * | 2014-03-24 | 2014-05-28 | 吴兵舰 | Practice training equipment for diesel pneumatic brake system |
| CN103824507B (en) * | 2014-03-24 | 2017-10-13 | 吴兵舰 | A kind of actual training device of diesel oil Pneumatic braking system |
| CN103915007A (en) * | 2014-04-17 | 2014-07-09 | 姜斯平 | Diesel vehicle whole-vehicle rack simulation demonstration device |
| CN103915007B (en) * | 2014-04-17 | 2016-04-20 | 姜斯平 | Diesel vehicle full car bench simulation apparatus for demonstrating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20120212 |