CN205959490U - Excavator electric system experiment teaching instrument ware equipment - Google Patents
Excavator electric system experiment teaching instrument ware equipment Download PDFInfo
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- CN205959490U CN205959490U CN201620153658.0U CN201620153658U CN205959490U CN 205959490 U CN205959490 U CN 205959490U CN 201620153658 U CN201620153658 U CN 201620153658U CN 205959490 U CN205959490 U CN 205959490U
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Abstract
The utility model discloses an excavator electric system experiment teaching instrument ware equipment, it is including the circuit demonstration template that is used for demonstrateing the whole car electric system theory of operation of excavator to and real standard platform, circuit demonstration template is fixed at the real bench of instructing, circuit demonstration template on be fixed with corresponding components and parts near the position of the components and parts show, a real standard back is according to each electrical component of excavator operation principle line connection. The utility model discloses a circuit demonstration template adopts aluminium saw lumber material air brushing technology to make, utilizes the whole car electric system theory of operation of colored schematic diagram show excavator, can make the learner look over the line connection of each part of electric system directly perceivedly, establishs the contact of electrical component and whole car circuit diagram, reduces the difficulty that the circuit diagram is understood in the study memory.
Description
Technical field
The utility model is related to a kind of excavation electrical-mechanical system experiment teaching instrument equipment, belongs to electric system of engineering machinery
Apparatus field.
Background technology
At present, automotive electrical system experiment teaching instrument comparative maturity, application is more.But engineering machinery specialty electrical system
Teaching and experiment equipment is very in short supply.In addition excavator whole machine procurement price is expensive, and the installation of part appliance component is more covert, no
Easily dismounting is observed.Some experiment teaching instruments existing, no vehicle circuitry figure, have isolated appliance component and vehicle circuitry figure
Contact, increased Students ' Learning memory and understand the difficulty of circuit diagram；Some have the experiment teaching instrument of electrical connection diagram, only
As the auxiliary device of experimental bench, make troubles with learner to instructor when actually used.
Content of the invention
Technical problem to be solved of the present utility model is：Overcome the deficiencies in the prior art, provide a kind of excavation dynamo-electric
Gas system experimentation teaching instrument and equipment, with the technical problem solving to impart knowledge to students with convenient demonstration.
In order to solve above-mentioned technical problem, the technical solution of the utility model is：A kind of electrical-mechanical system of excavating tests religion
Learn instrument and equipment, it includes the circuit demonstrating mould for showing excavator entire automobile electric system operation principle, and practical traning platform,
Circuit demonstrating mould is fixed on practical traning platform, fixing near the position of represented components and parts on described circuit demonstrating mould
There are corresponding components and parts, the practical traning platform back side is according to each appliance component of excavator operation principle connection.
All kinds of true faults are set further for convenient, described practical traning platform includes fault setting and appraisal system, therefore
Hinder setting to there is the device of setting open circuit fault, arrange the device of short trouble, arrange bad earth fault with appraisal system
Device and the device of setting component damage fault, leave detection mouth at the two ends of above-mentioned setting failed equipment.
Further for being easy to demonstration and understanding, the surface of described circuit demonstrating mould is made using spray-drawing process to be dug
Pick machine entire automobile electric system line map, excavator entire automobile electric system line map comprises power-supply system, pre- heater circuit, starts electricity
Road, flameout circuit, charging circuit, observation circuit, control circuit and GPS circuitry.
Further, described practical traning platform is vertical cabinet structure, is divided into Over-The-Counter and lower cabinet two parts.
Further provide for a kind of concrete structure of practical traning platform back-side circuit, described practical traning platform include power-supply system and with
The indoor lamp cigar lighter circuit of power-supply system connection, windscreen wiper water spray circuit, electric horn circuit, swing arm lamp headlight circuit, walking
Electromagnetic valve circuit, boost electromagnetic valve circuit, pilot solenoid valve circuit and receiver circuit；
Power-supply system be sequentially connected fuse box, indoor lamp switch parallel with one another, indoor lamp branch road and cigar lighter switch,
Cigar lighter branch road, constitutes indoor lamp cigar lighter circuit；
Power-supply system is sequentially connected fuse box, wiper switch parallel with one another, rain shaving electrical machine branch road and water spray switch, spray
Hydroelectric machine branch road, constitutes windscreen wiper water spray circuit；
Power-supply system be sequentially connected fuse box, electric horn breaker point unit parallel with one another, electric horn button switch branch road with
Electric horn branch road, constitutes electric horn circuit；
Power-supply system is sequentially connected fuse box, headlight switch parallel with one another, headlight relay, two headlights
Branch road and swing arm lamp switch, swing arm lamp relay, two swing arm lamp branch roads, constitute swing arm lamp headlight circuit；
Power-supply system is sequentially connected fuse box, walking relay, walking magnetic valve composition walking electromagnetic valve circuit；
Power-supply system is sequentially connected fuse box, supercharging relay, boost electromagnetic valve composition boost electromagnetic valve circuit；
Power-supply system is sequentially connected fuse box, guide switch, pilot solenoid valve composition pilot solenoid valve circuit；
Power-supply system is sequentially connected fuse box, radio, radio switch composition receiver circuit.
Further provide for a kind of concrete structure of power-supply system, described power-supply system is by batteries, key switch, total
Electromagnetic relay, generator and hand switch composition, batteries, key switch, total electromagnetic relay, hand switch phase successively
Connect, hand switch is connected with the negative pole of batteries, and generator, key switch and total electromagnetic relay are sequentially connected and connect.
Further provide for a kind of concrete structure of key switch, described key switch has four gears, respectively preheating gear,
Neutral, power supply gear and startup gear, B, BR, ACC, C, R1, R2 totally 6 terminals, wherein B terminal connect batteries positive pole and generating
Machine output end, is normal open electricity condition.
Further, described practical traning platform also includes pre- heater circuit, and power-supply system is sequentially connected preheating relay, pre- heated filament structure
Become pre- heater circuit.
Further, described practical traning platform also includes GPS device, and batteries are directly powered to GPS device.
After employing technique scheme, the utility model has the advantages that：
1) circuit demonstrating mould of the present utility model adopts aluminum material spray-drawing process to make, and is shown using colored schematic diagram
Excavator entire automobile electric system operation principle, can make learner intuitively check the connection of electrical system each several part, build
Vertical appliance component is contacted with vehicle circuitry figure, reduces the difficulty that learning and memory understands circuit diagram；
2) the utility model is provided with special fault setting and appraisal system, excavates the various of electrical-mechanical system for simulation
True fault, after fault setting, learner can be according to phenomenon of the failure, analyzing failure cause, using universal meter, jumper, examination lamp
Carry out fault detection and diagnosis Deng detection instrument；
3) the utility model is a kind of modern project mechanical electric apparatus integrating teaching, training, examine the several functions such as work
Laboratory indispensability teaching equipment.
Brief description
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the schematic diagram of circuit demonstrating mould of the present utility model；
In figure, 1, circuit demonstrating mould, 2, lower cabinet, 3, universal caster wheel, 4, fault setting switch cubicle, 5, Over-The-Counter.
Specific embodiment
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached
Figure, is described in further detail to the utility model.
As shown in Figure 1, 2, a kind of excavation electrical-mechanical system experiment teaching instrument equipment, it includes whole for showing excavator
The circuit demonstrating mould 1 of car electrical system operation principle, and practical traning platform, circuit demonstrating mould 1 is fixed on practical traning platform, circuit
It is fixed with corresponding components and parts near the position of represented components and parts, according to excavator inside practical traning platform on demonstrating mould 1
The each appliance component of operation principle connection.
Preferably, described practical traning platform includes fault setting and appraisal system, and fault setting has setting with appraisal system
The device of open circuit fault, the device of setting short trouble, the device of setting bad earth fault and setting component damage event
The device of barrier, leaves detection mouth at the two ends of above-mentioned setting failed equipment, and arranges all open circuit fault, short troubles, takes
The wire of iron bad error is simultaneously introduced in fault setting switch cubicle 4, arranges corresponding fault using switch.
Further, the surface of circuit demonstrating mould is made using spray-drawing process excavator entire automobile electric system line map,
Excavator entire automobile electric system line map comprises power-supply system, pre- heater circuit, start-up circuit, flameout circuit, charging circuit, monitoring
Circuit, control circuit, GPS circuitry, indoor lamp cigar lighter circuit, windscreen wiper water spray circuit, electric horn circuit, swing arm lamp headlight electricity
Road, walking electromagnetic valve circuit, boost electromagnetic valve circuit, pilot solenoid valve circuit and receiver circuit.
It is sequentially connected associated appliance components and parts material object with wire according to circuit theory diagrams inside practical traning platform, so can be with shape
As, the composition of intuitively showing excavator full car electrical system equipment and its each subsystem, operation principle, circuit trend, circuit
Annexation.
Preferably, as shown in figure 1, for the ease of demonstration, practical traning platform is vertical cabinet structure, is divided into Over-The-Counter and two, lower cabinet
Point, circuit demonstrating mould 1 is fixed on Over-The-Counter；The side of Over-The-Counter is provided with fault setting switch cubicle 4, for arranging open circuit fault dress
Put, short trouble device, bad earth failed equipment and component damage failed equipment, arrangement trouble point is hidden.
Alternatively, practical traning platform includes power-supply system and the indoor lamp cigar lighter circuit being connected with power-supply system, windscreen wiper spray
Water circuit, electric horn circuit, swing arm lamp headlight circuit, walking electromagnetic valve circuit, boost electromagnetic valve circuit, pilot solenoid valve electricity
Road and receiver circuit；
Be provided with fuse box numbering be BX-1, BX-2, BX-3, BX-4, BX-5, BX-6, BX-7, BX-8, BX-9,
12 fuses of BX-10, BX-11, BX-12 it is of course possible to arrange the fuse of requirement according to actual conditions.
Power-supply system be sequentially connected fuse box, indoor lamp switch parallel with one another, indoor lamp branch road and cigar lighter switch,
Cigar lighter branch road, constitutes indoor lamp cigar lighter circuit.As shown in Fig. 2 electric current from batteries positive pole through 60A fuse, key
The terminal B of spoon switch, terminal ACC, general supply electromagnetic coil relay bonding, hand switch reach batteries negative pole, constitute
Closed-loop path；Now general supply relay normally open contact obtains electric adhesive due to general supply electromagnetic coil relay, and electric current is from electric power storage
Pond group positive pole, through 60A fuse, the terminal B of key switch, terminal ACC, BX-0, reaches general fuse case of electric, through 10A insurance
Silk BX-4, respectively through indoor lamp, indoor lamp switch branch road and cigar lighter, cigar lighter switching branches, then reaches through minus earth
Hand switch, returns to batteries negative pole.After this circuit function is for indoor lamp switch closure, indoor lamp normal work；Cigar lighter
After switch closure, cigar lighter normal work.
Power-supply system is sequentially connected fuse box, wiper switch parallel with one another, rain shaving electrical machine branch road and water spray switch, spray
Hydroelectric machine branch road, constitutes windscreen wiper water spray circuit.Electric current from batteries positive pole through 60A fuse, the terminal B of key switch,
Terminal ACC, general supply electromagnetic coil relay bonding, hand switch reach batteries negative pole, constitute closed-loop path；Now total
Power supply relay normally opened contact obtains electric adhesive due to general supply electromagnetic coil relay, and electric current is from batteries positive pole through 60A
Fuse, the terminal B of key switch, terminal ACC, BX-0, reach general fuse case of electric, through 20A fuse BX-5, respectively through
Wiper switch, rain shaving electrical machine branch road and water spray switch, water spray motor branch road, then reach hand switch through minus earth, return to storage
Battery electrode.After this circuit function is for wiper switch closure, realizes wiper and quickly scrape water, scrape at a slow speed water, shut down reset work(
Energy；After water spray switch closure, realize water spray motor work, to wiper position water spray.Wiper switch have quickly, at a slow speed, shut down
Reset third gear.
Power-supply system be sequentially connected fuse box, electric horn breaker point unit parallel with one another, electric horn button switch branch road with
Electric horn branch road, constitutes electric horn circuit.Electric current is from batteries positive pole through 60A fuse, the terminal B of key switch, end
Sub- ACC, general supply electromagnetic coil relay bonding, hand switch reach batteries negative pole, constitute closed-loop path；Now always electric
Source relay normally open contact obtains electric adhesive due to general supply electromagnetic coil relay, and electric current is protected through 60A from batteries positive pole
Dangerous silk, the terminal B of key switch, terminal ACC, BX-0, reach general fuse case of electric, through 10A fuse BX-6, respectively through electricity
Electric horn breaker point unit, electric horn button switch branch road and electric horn branch road, then reach hand switch through minus earth, return to battery
Group negative pole.After this circuit function is guarantee electric horn button switch closure, electric horn normal work.
Power-supply system is sequentially connected fuse box, headlight switch parallel with one another, headlight relay, two headlights
Branch road and swing arm lamp switch, swing arm lamp relay, two swing arm lamp branch roads, constitute swing arm lamp headlight circuit.Electric current is from electric power storage
Pond group positive pole is through 60A fuse, the terminal B of key switch, terminal ACC, general supply electromagnetic coil relay bonding, open manually
Close and reach batteries negative pole, constitute closed-loop path；Now general supply relay normally open contact is due to general supply relay electromagnetism
Coil obtains electric adhesive, and electric current, arrives through 60A fuse, the terminal B of key switch, terminal ACC, BX-0 from batteries positive pole
Reach general fuse case of electric, through 20A fuse BX-7, respectively through headlight switch, headlight relay, two headlight branch roads
With swing arm lamp switch, swing arm lamp relay, two swing arm lamp house branch roads, then through minus earth reach hand switch, return to electric power storage
Pond group negative pole.This circuit function is to ensure swing arm lamp, headlight normal work.
Power-supply system is sequentially connected fuse box, walking relay, walking magnetic valve composition walking electromagnetic valve circuit.Electric current
Take through 60A fuse, the terminal B of key switch, terminal ACC, general supply electromagnetic coil relay from batteries positive pole
Iron, hand switch reach batteries negative pole, constitute closed-loop path；Now general supply relay normally open contact is continued due to general supply
Electrical equipment solenoid obtains electric adhesive.After walking switch closure (this on-off circuit in figure does not show), ECU-200 triggering walking
Electromagnetic coil relay obtain electric so that walking relay normally open contact adhesive.Electric current insures through 60A from batteries positive pole
Silk, the terminal B of key switch, terminal ACC, BX-0, reach general fuse case of electric, through 10A fuse BX-8, through relay of walking
Device normally opened contact adhesive, walking magnetic valve solenoid, then reach hand switch through minus earth, return to batteries negative pole.
After this circuit function is walking switch closure, excavator is changed to quickly walk by low-speed running.
Power-supply system is sequentially connected fuse box, supercharging relay, boost electromagnetic valve composition boost electromagnetic valve circuit.Electric current
From batteries positive pole through 60A fuse, the terminal B of key switch, terminal ACC, general supply electromagnetic coil relay bonding,
Hand switch reaches batteries negative pole, constitutes closed-loop path；Now general supply relay normally open contact is due to general supply relay
Device solenoid obtains electric adhesive.After supercharging switch closure (this on-off circuit in figure does not show), ECU-200 triggering supercharging continues
Electrical equipment solenoid obtains electric so that being pressurized relay normally open contact adhesive.Electric current from batteries positive pole through 60A fuse,
The terminal B of key switch, terminal ACC, BX-0, reach general fuse case of electric, through 10A fuse BX-9, through being pressurized relay
Normally opened contact adhesive, boost electromagnetic valve solenoid, then reach hand switch through minus earth, return to batteries negative pole.This
After circuit function is for boost electromagnetic valve work, provide 8 seconds instantaneously larger operating pressures for excavator.
Power-supply system is sequentially connected fuse box, guide switch, pilot solenoid valve composition pilot solenoid valve circuit.Electric current from
Batteries positive pole is through 60A fuse, the terminal B of key switch, terminal ACC, general supply electromagnetic coil relay bonding, hand
Dynamic switch reaches batteries negative pole, constitutes closed-loop path；Now general supply relay normally open contact is due to general supply relay
Solenoid obtains electric adhesive, and electric current is from batteries positive pole through 60A fuse, the terminal B of key switch, terminal ACC, BX-
0, reach general fuse case of electric, through 10A fuse BX-10, through guide switch, pilot solenoid valve, then reach through minus earth
Hand switch, returns to batteries negative pole.After this circuit function is for pilot solenoid valve energising, pioneer pump oil pressure can be through guide
Magnetic valve supplies guide oil to each control crank of excavator.
Power-supply system is sequentially connected fuse box, radio, radio switch composition receiver circuit.Electric current is from battery
Group positive pole is through 60A fuse, the terminal B of key switch, terminal ACC, general supply electromagnetic coil relay bonding, hand switch
Reach batteries negative pole, constitute closed-loop path；Now general supply relay normally open contact is due to general supply relay electromagnetic wire
Enclose to obtain electric adhesive, electric current, reaches through 60A fuse, the terminal B of key switch, terminal ACC, BX-0 from batteries positive pole
General fuse case of electric, through 10A fuse BX-11, respectively through radio, radio switch, minus earth reaches hand switch,
Return to batteries negative pole.This circuit function is to ensure radio normal work.
Preferably, practical traning platform also comprise charging circuit, start-up circuit, observation circuit, control circuit, meter display circuit,
All electric equipment systems such as GPS circuitry, and the threephase asynchronous machine of power, the mould of each sensor signal of simulating assembly are provided
Intend device and display device.
Start-up circuit：Put when key switch goes to startup gear, the end B of key switch is connected to terminal ACC and R2.Electric power storage
The electricity of pond group passes through to start compound relay and bonding switch reaches in starter motor, forms starting-up later time, engine start.Open
Dynamic compound relay, in the case that generator outwards generates electricity, can timely and effectively protect starting-up later time and repeated priming.
It is related to related elements in circuit：Batteries, total fuse, key switch, general supply relay, hand switch, startup are multiple
Conjunction relay, starter motor, oil cut-off valve, oil cut-off valve pull relay, oil cut-off valve hold-in winding.
Halt circuit：When key switch goes to neutral gear position, the terminal B of key switch is disconnected with other any terminals.Disconnected
Fuel tap dead electricity, engine misses.It is related to related elements in engine misses circuit：Batteries, total fuse, key are opened
Pass, general supply relay, hand switch, oil cut-off valve.
Charging circuit：After startup, generator is powered in circuit, and supply voltage is more than battery tension (24V), generator
Charge to battery.It is related to related elements in engine charging circuit：Batteries, total fuse, key switch, general supply
Relay, hand switch, generator, generator protection relay.
Observation circuit：The data that each detection switch and sensor upload is analyzed and processed by ECU-200, analytical structure is real-time
Be reflected on electronic monitor.It is related to related elements in observation circuit：Batteries, total fuse, key switch, always electricity
Source relay, hand switch, electronic monitor, left pump sensor, right pump sensor, guide's pump pressure sensor, hydraulic oil temperature
Sensor, coolant temperature sensor, walking Pressure Switch Sensor, swing arm Pressure Switch Sensor, air filter sensor, oil pressure
Force snesor, fuel level sender, speed probe.
Control circuit：Realize the synthesis control to generator speed, system walking, instantaneous supercharging and flow rate of hydraulic system
System.It is related to related elements in control circuit：Batteries, total fuse, key switch, general supply relay, hand switch,
ECU-200, grip, servomotor, proportion magnetic valve, walking pressure switch, buzzer, supercharging switch.
Practical traning platform can represent the actual load full car electrical system equipment of excavator and its structure of system, relative position, cloth
Put relation, line connecting relation, the institute realizing actual equipment electrical system is functional, completes the use of actual load electrical equipment, maintenance
Teaching and training；This practical traning platform can simulate the signal of each sensor on real vehicle, makes instrument produce change, thus allowing student understand instrument
The operation principle of table and working condition, compensate for practical traning platform due to not having the material objects such as engine, transmission system and hydraulic system, make
Sensor cannot obtain the deficiency that actual signal brings, and has at utmost reproduced sensation and the effect that installation in kind brings.
Specifically, power-supply system is made up of batteries, key switch, total electromagnetic relay, generator and hand switch,
Batteries, key switch, total electromagnetic relay, hand switch are sequentially connected and connect, and hand switch is connected with the negative pole of batteries
Connect, generator, key switch and total electromagnetic relay are sequentially connected and connect；Batteries adopt 24V batteries electric as starting
Source, threephase asynchronous machine drives generator operation after leading to 220V alternating current, and generator to all electrical equipments of full car (except starting is
System) to power, simultaneously unnecessary electricity supplements batteries.
Batteries are fixed in lower cabinet 2, and hand switch, starter motor, threephase asynchronous machine and generator are fixed on lower cabinet 2
Upper surface, lower cabinet 2 base is provided with the universal caster wheel 3 with self-locking, is moved by universal caster wheel 3 and brakes this practical traning platform.
Further, key switch has four gears, respectively preheating gear, neutral, power supply gear and start keep off, B, BR, ACC, C,
R1, R2 totally 6 terminals, wherein B terminal connect batteries positive pole and generator output end, are normal open electricity condition.
When key switch goes to preheating gear, B, BR, ACC, R1 totally 4 terminal conductings；
When key switch goes to neutral, B terminal is not turned on other terminals, does not outwards convey electric current；
When key switch goes to power supply gear, B, BR, ACC totally 3 terminal conductings；
When key switch goes to startup gear, B, BR, ACC, C, R2 totally 5 terminal conductings.
Preferably, practical traning platform also includes pre- heater circuit, and power-supply system is sequentially connected preheating relay, pre- heated filament constitutes preheating
Circuit.After hand switch closes, key switch goes to preheating gear and puts, and the terminal B of key switch is connected to terminal R1.Electric current
From batteries positive pole through 60A fuse, the terminal B of key switch, terminal R1, preheating relay solenoid bonding, hand
Dynamic switch reaches batteries negative pole, constitutes closed-loop path；Now preheating relay normally opened contact is due to preheating relay electromagnetism
Coil obtains electric adhesive, and from batteries positive pole through preheating relay normally opened contact, pre- heated filament, minus earth reaches manually electric current
Switch, returns to batteries negative pole.This circuit function is to ensure preheater normal work.When pre- thermal light receives preheating letter
After number, display preheating icon.After about 15 seconds, preheating icon disappears, display prompts " preheating completes ", buzzer rings, until pre-
Thermal switch disconnects.
Preferably, practical traning platform also includes GPS device, and batteries are directly powered to GPS device.Carried in real time by GPS terminal
Take related data and the location information of controller process, monitor supervision platform is uploaded to by GSM/GPRS network.Relate in GPS circuitry
And arrive related elements：Batteries, total fuse, key switch, general supply relay, hand switch, GPS.
Each circuit all can arrange the faults such as wire break, short circuit, bad earth, component damage above, using this real training
Platform teaching instrument and equipment, can temper the general diagnostic testing process that training student grasps excavator electrical malfunction：Combing
Correlated branch circuit diagram, all switches starting to be related to from batteries positive pole, wire, electromagnetic relay, fuse, electrical equipment unit
Part etc. passes through bonding, returns to batteries negative pole, constitutes closed-loop path；Difference is according to elements such as switch, electromagnetic relays
State, the circuit of conducting after analysis switch, the energising of electromagnetic relay solenoid；According to the actual apparatus failure phenomenon occurring,
Analysis there may be the trouble point of problem, and lists checks sequence；Being examined in measurement using the detection instrument such as universal meter may
Trouble point, judge each section lead break-make situation, whether components and parts damage, short circuit, bonding situation, note the line according to wire
Footpath, color, wire size are finding trouble point.
Circuit demonstrating mould of the present utility model adopts aluminum material spray-drawing process to make, and is shown using colored schematic diagram and digs
Pick machine entire automobile electric system operation principle, can make learner intuitively check the connection of electrical system each several part, set up
Appliance component is contacted with vehicle circuitry figure, reduces the difficulty that learning and memory understands circuit diagram.
The utility model is provided with special fault setting and appraisal system, for simulating the various true faults of excavator,
Therefore after sun setting, learner can be according to phenomenon of the failure, analyzing failure cause, using detection works such as universal meter, jumper, examination lamps
Tool carries out fault detection and diagnosis.
The utility model is a kind of modern project mechanical electric apparatus reality integrating teaching, training, examine the several functions such as work
Test room indispensability teaching equipment.
Particular embodiments described above, the technical problem that the utility model is solved, technical scheme and beneficial effect are entered
Go further description, should be understood that and the foregoing is only specific embodiment of the utility model, and without
In restriction the utility model, all any modification, equivalent substitution and improvement within spirit of the present utility model and principle, done
Deng should be included within protection domain of the present utility model.
Claims (6)
1. a kind of excavate electrical-mechanical system experiment teaching instrument equipment it is characterised in that：It is included for showing excavator car load
The circuit demonstrating mould (1) of electrical system operation principle, and practical traning platform, circuit demonstrating mould (1) is fixed on practical traning platform, institute
It is fixed with corresponding components and parts, the practical traning platform back side near the position of represented components and parts on the circuit demonstrating mould (1) stated
According to each appliance component of excavator operation principle connection；Described practical traning platform includes fault setting and appraisal system, therefore
Hinder setting to there is the device of setting open circuit fault, arrange the device of short trouble, arrange bad earth fault with appraisal system
Device and the device of setting component damage fault, leave detection mouth at the two ends of above-mentioned setting failed equipment；Described reality
Instruction platform is vertical cabinet structure, is divided into Over-The-Counter (5) and lower cabinet (2) two parts；
Described practical traning platform includes power-supply system and the indoor lamp cigar lighter circuit being connected with power-supply system, windscreen wiper water spray electricity
Road, electric horn circuit, swing arm lamp headlight circuit, walking electromagnetic valve circuit, boost electromagnetic valve circuit, pilot solenoid valve circuit with
Receiver circuit；
Power-supply system is sequentially connected fuse box, indoor lamp switch parallel with one another, indoor lamp branch road and cigar lighter switch, lights a cigarette
Device branch road, constitutes indoor lamp cigar lighter circuit；
Power-supply system is sequentially connected fuse box, wiper switch parallel with one another, rain shaving electrical machine branch road and water spray switch, water spray electricity
Machine branch road, constitutes windscreen wiper water spray circuit；
Power-supply system is sequentially connected fuse box, electric horn breaker point unit parallel with one another, electric horn button switch branch road and electric loudspeaker
Branch road, constitutes electric horn circuit；
Power-supply system is sequentially connected fuse box, headlight switch parallel with one another, headlight relay, two headlight branch roads
With swing arm lamp switch, swing arm lamp relay, two swing arm lamp branch roads, constitute swing arm lamp headlight circuit；
Power-supply system is sequentially connected fuse box, walking relay, walking magnetic valve composition walking electromagnetic valve circuit；
Power-supply system is sequentially connected fuse box, supercharging relay, boost electromagnetic valve composition boost electromagnetic valve circuit；
Power-supply system is sequentially connected fuse box, guide switch, pilot solenoid valve composition pilot solenoid valve circuit；
Power-supply system is sequentially connected fuse box, radio, radio switch composition receiver circuit.
2. according to claim 1 excavation electrical-mechanical system experiment teaching instrument equipment it is characterised in that：Described circuit
The surface of demonstrating mould (1) is made using spray-drawing process excavator entire automobile electric system line map, and excavator car load is electrically
System line map comprise power-supply system, pre- heater circuit, start-up circuit, flameout circuit, charging circuit, observation circuit, control circuit,
GPS circuitry, indoor lamp cigar lighter circuit, windscreen wiper water spray circuit, electric horn circuit, swing arm lamp headlight circuit, walking magnetic valve
Circuit, boost electromagnetic valve circuit, pilot solenoid valve circuit and receiver circuit.
3. according to claim 1 excavation electrical-mechanical system experiment teaching instrument equipment it is characterised in that：Described power supply
System is made up of batteries, key switch, total electromagnetic relay, generator and hand switch, batteries, key switch,
Total electromagnetic relay, hand switch are sequentially connected and connect, and hand switch is connected with the negative pole of batteries, generator, key switch
It is sequentially connected with total electromagnetic relay and connect.
4. according to claim 3 excavation electrical-mechanical system experiment teaching instrument equipment it is characterised in that：Described key
Switch has four gears, respectively preheating gear, neutral, power supply gear and startup gear, B, BR, ACC, C, R1, R2 totally 6 terminals, wherein B
Terminal connects batteries positive pole and generator output end, is normal open electricity condition.
5. according to claim 4 excavation electrical-mechanical system experiment teaching instrument equipment it is characterised in that：Described real training
Platform also includes pre- heater circuit, and power-supply system is sequentially connected preheating relay, pre- heated filament constitutes pre- heater circuit.
6. according to claim 5 excavation electrical-mechanical system experiment teaching instrument equipment it is characterised in that：Described real training
Platform also includes GPS device, and batteries are directly powered to GPS device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153658.0U CN205959490U (en) | 2016-02-29 | 2016-02-29 | Excavator electric system experiment teaching instrument ware equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153658.0U CN205959490U (en) | 2016-02-29 | 2016-02-29 | Excavator electric system experiment teaching instrument ware equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205959490U true CN205959490U (en) | 2017-02-15 |
Family
ID=57966469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620153658.0U Expired - Fee Related CN205959490U (en) | 2016-02-29 | 2016-02-29 | Excavator electric system experiment teaching instrument ware equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205959490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513488A (en) * | 2016-02-29 | 2016-04-20 | 常州机电职业技术学院 | Experiment teaching equipment for excavator electrical system |
| CN109686201A (en) * | 2018-11-26 | 2019-04-26 | 长沙职业技术学院 | A kind of practice-training teaching power battery of pure electric automobile management system |
-
2016
- 2016-02-29 CN CN201620153658.0U patent/CN205959490U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513488A (en) * | 2016-02-29 | 2016-04-20 | 常州机电职业技术学院 | Experiment teaching equipment for excavator electrical system |
| CN109686201A (en) * | 2018-11-26 | 2019-04-26 | 长沙职业技术学院 | A kind of practice-training teaching power battery of pure electric automobile management system |
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