CN202300651U

CN202300651U - Multifunctional protector of engine

Info

Publication number: CN202300651U
Application number: CN2011203701857U
Authority: CN
Inventors: 翟永文; 肖景波; 钟喜东; 齐胜武
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-08
Filing date: 2011-10-08
Publication date: 2012-07-04
Anticipated expiration: 2021-10-08

Abstract

The utility model relates to a protecting device of an engine, specifically to a multifunctional protector of the engine. The multifunctional protector comprises a housing, a control main board, and a fire extinguisher. The control main board disposed on the housing controls a key switch, an engine detection button, an alarm and the fire extinguisher. The multifunctional protector of the engine is provided with an electric automatic control system. The electric automatic control system is capable of performing detection and giving an alarm, then protecting the engine through flameout with the mechanical fire extinguishing device, and preventing mechanical accidents of the engine, such as bearing failure and engine scuffing, when normal work of the engine is influenced by sudden failure of parts of a lubricating system and a cooling system of the engine; has a function of limiting operation time of the engine, thereby preventing overheat of the engine and overdischarge of a storage battery and prolonging the service lifetime of the storage battery and the engine; and prevents a starter from operating upon misoperation of an ignition button when the engine is on fire, prevents gears and gear rings from being broken up, and provides all-round protection for the engine.

Description

The multifunctional engine protector

Technical field

The utility model relates to the protective gear of motor, especially: the multifunctional engine protector.

Background technique

At present, the engine motor oil Pressure testing normally adopts the hypotony induction plug to detect, and tutorial light lights when hypotony; Water temperature detects normally utilizes water-thermometer to detect, and it is to utilize thermal light that part is also arranged, well-known; Operator is viewing lamp constantly, also is difficult in time find even if system is out of order, and has an accident often and just finds; But late, as long as when piloting engine, pin starting button when operator in addition, just starter motor turns round always; According to working specification, just allow to turn round once more after will having a rest after starter motor turned round 10 seconds continuously, some operator is under the non-ignitable situation of motor; Do not search reason yet and pin always and do not put, can reduce the working life of each parts of starting system so greatly.

Summary of the invention

The goal of the invention of the utility model is: a kind of multifunctional engine protector is provided; This multifunctional engine protector is designed with the electric automatization control system, and when engine lubrication system and each parts of cooling system catastrophic failure occurred and have influence on the motor proper functioning, native system can detect and send warning immediately; Through mechanical blanket motor is carried out blowout protection then; Prevent that mechanical accidents such as axis tile and scuffing of cylinder bore from appearring in motor, have the restriction starter motor function of running time simultaneously, avoid the overheated and battery overdischarge of starter motor; Prolong the working life of storage battery and starter motor; If motor misoperation igniting button starter motor under the state of catching fire can not turn round yet, prevent to break gear-wheel gear-ring, motor is carried out many-sided protection.To achieve these goals, the utility model is achieved in that the multifunctional engine protector, by: shell, control mainboard, power line, alarm and shorting-out device are formed; It is characterized in that: design control mainboard on shell is being controlled key operation, inspection machine button, alarm and shorting-out device respectively; Wherein: on the control mainboard, be designed with power supply indicator, ignition light, supervisory pilot light, high temperature tutorial light, low pressure tutorial light, flame-out tutorial light; On the control mainboard, be connected with: power line, pressure transducer line, temperature sensor line, starting button line, starter wires; On shorting-out device, be connected with the steel wire backguy through the backguy sheath.

When any one parts of lubrication system of motor break down, main oil gallery pressure must reduce, and pressure transducer is connected, warning circuit starting, blanket action then; Cooling system also is to detect through the temperature transducer that is installed on the body, and limiting running time is to realize through time circuit, in case press starting button; Timing circuit just picks up counting; Arrive set time and cut off trigger circuit, could start once more after having only this moment the swap switch of closing to wait for capacitor discharge, flame-out is to utilize the clockwise and anticlockwise of direct current generator to drive the steel wire backguy through lead screw transmission to realize; Status indicator lamp is to utilize light emitting diode and the speed diode that alternately glimmers to realize; Really accomplish safe operation, stop mechanical accident and take place, increase the service life.The multifunctional engine protector utilizes the control system that connects and composes of electronic component and various relays; Finally stop working through direct current generator; For this device of each item function all consider very thorough, components and parts are simple and reliable, and are with low cost; Easy to operation, come into plain view through tutorial light when breaking down.

Description of drawings

Accompanying drawing 1 is the rough schematic of multifunctional engine protector.

Accompanying drawing 2 is the control block diagram of multifunctional engine protector.

Accompanying drawing 3 is the electrical schematic diagram of multifunctional engine protector.

Key operation 1, power supply indicator 2, ignition light 3, supervisory pilot light 4, high temperature tutorial light 5, low pressure tutorial light 6, flame-out tutorial light 7, control mainboard 8, inspection machine button 9, power line 10, pressure transducer line 11, temperature sensor line 12, starting button line 13, starter wires 14, alarm 15, shorting-out device 16, shell 17 backguy sheaths 18, backguy 19.

Embodiment

According to accompanying drawing (like Fig. 1, Fig. 2, shown in Figure 3) the utility model is done further explanation below: the multifunctional engine protector, by: shell 17, control mainboard 8, power line 10, alarm 15 and shorting-out device 16 are formed; Design is controlled mainboard 8 and is being controlled key operation 1, inspection machine button 9, alarm 15 and shorting-out device 16 respectively on shell 17; Wherein: on control mainboard 8, be designed with power supply indicator 2, ignition light 3, supervisory pilot light 4, high temperature tutorial light 5, low pressure tutorial light 6, flame-out tutorial light 7; On control mainboard 8, be connected with: power line 10, pressure transducer line 11, temperature sensor line 12, starting button line 13, starter wires 14; On shorting-out device 16, be connected with backguy 19 (shown in Figure 1) through backguy sheath 18.

This multifunctional engine protector is accomplished through electronic parts and components control key operation 1, inspection machine button 9, alarm 15 and shorting-out device 16, and power supply inserts key operation and flame-out controller, after key operation is opened; Power supply indicator lights, and switch is exported one the road and succeeded electrical equipment J2 main contact common point, and this moment, the J2 relay was failure to actuate; The power supply of shorting-out device guide line is given through the normally closed point of J4 in another road; Shorting-out device control motor just changes, discharge flame-out backguy and prepare igniting, after pressing starting button 13 electric and give the J2 coil power supply through diode D1; J2 adhesive and self-locking; Power supply is the rear portion circuit supply through the J2 main contact, and the effect of diode is to prevent that J2 from connecting the anti-starter motor of supplying with of back electricity, and 13 supply power to starter motor through J3 is normally closed.This moment, motor began starting, and three-terminal voltage-stabilizing module 7812 gets electric back output 12V electricity, through capacitor filtering, drives transistor base through the RC delay circuit; Arrive the conducting of set time triode, the J3 adhesive, normally opened contact is connected, and is the power supply of back observation circuit; J3 has 3 functions, and the first provides time-delay for starting, because motor is closed at flame-out state downforce switch, time-delay is in order to be provided to the lubrication system build-up pressure time; Prevent protector action, relay adhesive after the time of advent, normally opened contact is connected to the back observation circuit provides power supply, and it two is operating times of restriction starter motor; Timing circuit picked up counting after starting button was pressed, behind the arrival set time, and the actuating of relay, normally-closed contact breaks off; Play moving-wire 14 dead electricity, only turn off power supply and wait for a period of time and could discharge, the 3rd is to prevent motor starting button is by misoperation under the state of catching fire, and J1 is used to detect external fault; Coil one termination 12V power supply, the other end are received pressure switch and temperature detect switch (TDS) respectively through two diodes, and the effect of diode is to prevent that state indication luminotron tube from obscuring; When any one switch failover and closure, J1 is adhesive, and J1 is the duplex relay; One the tunnel connects sound light alarming circuit, and another road on-delay circuit is if fault still exists then relay J 4 actions in set time; Main contact breaks off, and flame-out motor counter-rotating drives backguy makes the motor oil-break flame-out, and warning circuit worked on and turned off key operation until operator this moment.Its course of action: after opening key operation 1, the servomechanism of this device obtains run signal, in 2 seconds, discharges flame-out backguy; For engine start is prepared, if this moment, operator was pressed starting button, relay J 2 gets electric adhesive and self-locking; In order to prevent that J2 adhesive after-current from having given the moving-wire continued power, adopt diode-isolated, delayed time afterwards 20 seconds; Relay J 3 adhesives are through giving rear portion testing circuit power supply after 7812 step-downs.Cut off starting circuit after the J3 adhesive simultaneously, do not put even if pin starting button this moment, relay also cuts off the starter motor power supply automatically; At this moment only turn off key operation, behind the wait capacitor discharge, triode turn-offs; Relay just can reset, even open key operation this moment, presses starting button and can not make the starter motor running at once; Storage battery and starter motor have just had the sufficient time of having a rest like this, prevent the operator abuse.

After the engine start, testing circuit gets into monitor state, and detected state tutorial light 4 flicker indications this moment are in case engine oil pressure is lower than setting pressure or organism temperature is higher than setting temperature; Relay J 1 coil one end bonding, main contact one tunnel is connected alarm, and alarm is 120 decibels; The RC delay circuit is passed through in another contact, road, behind the arrival set time, and triode Q2 conducting; The relay adhesive, relay cuts off the shorting-out device guide line, and this moment, alarm continued to report to the police.Need turn off key operation 1 for normal flame-out, blanket 16 just moves motor is stopped working.The state indication of multifunctional engine protector: each state of motor all has corresponding status indicator lamp, and LED1 is the power supply indication, and LED2 is the engine ignition indication, and LED3 is the monitoring indication, and LED4 is the high temperature indication, and LED5 is the low pressure indication.LED6 carries out indication for flame-out action.The self-checking function of multifunctional engine protector: after key is opened, dub starting button, the J1 adhesive after 20 seconds of delaying time; Explain that pressure detecting system is normal,, explain that temperature detection is normal if the wiring of opening pressure switch is arrived uniform temperature J1 adhesive with external heat source heating-up temperature sensor; Delayed time again 10 seconds; If the servomechanism action, illustrative system is normal, notes observing each status indicator lamp.If not carrying out according to said procedure, illustrative system is unusual.

Claims

1. multifunctional engine protector, by: shell, control mainboard, power line, alarm and shorting-out device are formed; It is characterized in that: design control mainboard on shell is being controlled key operation, inspection machine button, alarm and shorting-out device respectively.

2. multifunctional engine protector according to claim 1 is characterized in that: on the control mainboard, be designed with power supply indicator, ignition light, supervisory pilot light, high temperature tutorial light, low pressure tutorial light, flame-out tutorial light.

3. multifunctional engine protector according to claim 1 is characterized in that: on the control mainboard, be connected with: power line, pressure transducer line, temperature sensor line, starting button line, starter wires.

4. multifunctional engine protector according to claim 1 is characterized in that: on shorting-out device, be connected with backguy through the backguy sheath.