CN201250704Y - Car engine temperature oil-pressure overload protection device - Google Patents
Car engine temperature oil-pressure overload protection device Download PDFInfo
- Publication number
- CN201250704Y CN201250704Y CNU2008201000901U CN200820100090U CN201250704Y CN 201250704 Y CN201250704 Y CN 201250704Y CN U2008201000901 U CNU2008201000901 U CN U2008201000901U CN 200820100090 U CN200820100090 U CN 200820100090U CN 201250704 Y CN201250704 Y CN 201250704Y
- Authority
- CN
- China
- Prior art keywords
- relay
- oil pressure
- monitor
- storage battery
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The utility model relates to a car engine temperature oil-pressure overload protection device, comprising a coolant temperature monitor and an engine oil pressure monitor. The utility model is characterized in that a power input end of the coolant temperature monitor is connected with a positive end of a car storage battery and a negative end of the car storage battery, an output control end of the coolant temperature monitor is connected with the output control end of the coolant temperature monitor, the power input end of the engine oil pressure monitor is connected with the positive end and the negative end of the car storage battery and a car generator output end live wire, and the output control end of the engine oil pressure monitor is further connected with a power lead-in end of a car fuel oil solenoid valve. The device has simple structure and reliable working performances, once the coolant temperature in a car engine cooling system surpasses the designing temperature of the system, or the engine oil pressure in a car engine lubricating oil system is rather low, the power of the car fuel oil solenoid valve is immediately and automatically cut off, the engine stops working to avoid from scuffing and locking, which enables the car not to drive with deficiencies and eliminates the hidden dangers of driving accidents.
Description
Technical field
The utility model relates to a kind of protective gear of motor car engine, particularly a kind of motor car engine temperature, oil pressure overload protection arrangement.
Background technique
Engine-cooling system and engine lube oil system all be equipped with in order to guarantee the normal working of motor car engine,, in order to keep to the cooling of motor and lubricated.When the cooling system of motor breaks down (leak as the fracture of water pump belt, rubber pipe etc.) suddenly, make the coolant temperature superelevation and when the lubricating oil system of motor breaks down (as oil pump damage, somewhere lubricating oil leakage etc.) suddenly, cause engine oil pressure on the low side.If motor still continues to travel at the work automobile at this moment, will cause great engine mechanical accidents such as motor car engine scuffing of cylinder bore, axis tile, can bring serious hidden peril of accident.And at present, the coolant temperature of automobile and engine oil pressure all are by traditional thermal transmitter and oil pressure sensor, the fuel injection pressure signal of the temperature signal of cooling liquid and machine oil is sent to motormeter, the driver can only understand their state by the information that shows on the instrument, lack experience or carelessness as the driver, coolant temperature and the engine oil pressure ignoring or in time do not find to show on the instrument, when COOLANT TEMPERATURE and engine oil pressure are low, also continue to drive, will cause the motor car engine scuffing of cylinder bore, axis tiles etc. bring serious traffic safety accident.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art; a kind of motor car engine temperature, oil pressure overload protection arrangement are provided; it is simple in structure; reliable operation; in case coolant temperature surpasses system design pressure in the car engine cooling system; or when engine oil pressure is on the low side in the automobile engine lubricating oil system; automatically cut off the power supply of vehicle fuel solenoid valve immediately; motor quits work; avoid taking place scuffing of cylinder bore, axis tile fault; automobile can not be travelled by tape jam, eliminate driving accident hidden danger.
The utility model has adopted following technological scheme: a kind of motor car engine temperature of the utility model; the oil pressure overload protection arrangement; it is characterized in that forming by coolant temperature monitor and engine oil pressure monitor; the power input of coolant temperature monitor is connected with the automobile storage battery negative terminal with the automobile storage battery anode; the output control terminal of coolant temperature monitor is connected with the output control terminal of engine oil pressure monitor; the power input of engine oil pressure monitor and automobile storage battery anode; the automobile storage battery negative terminal is connected with automobile current generator output terminal live wire, and the output control terminal of engine oil pressure monitor also is connected with the power inleting terminal of vehicle fuel solenoid valve.
A kind of motor car engine temperature that provides by the utility model; the oil pressure overload protection arrangement; because its coolant temperature monitor and engine oil pressure monitor are located between the power inleting terminal of automobile storage battery positive terminal and vehicle fuel solenoid valve; it is simple in structure; control is reliable; as long as when the coolant temperature in the automobile cooling system surpasses set temperature value; or when engine oil pressure is on the low side in the automobile engine lubricating oil system; operate without driver; the output control terminal of coolant temperature monitor or engine oil pressure monitor can cut off the working power of fuel solenoid valve immediately; motor car engine is quit work; thereby avoid taking place scuffing of cylinder bore; the axis tile fault; automobile can not be travelled by tape jam, eliminate traffic safety accident potential.
Description of drawings
The utility model has following accompanying drawing:
Fig. 1 is a schematic block circuit diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.As shown in Figure 1; a kind of motor car engine temperature; the oil pressure overload protection arrangement; form by coolant temperature monitor 1 and engine oil pressure monitor 2; the power input of coolant temperature monitor 1 is connected with the automobile storage battery negative terminal with the automobile storage battery anode; the output control terminal of coolant temperature monitor 1 is connected with the output control terminal of engine oil pressure monitor 2; the power input of engine oil pressure monitor 2 and automobile storage battery anode; the automobile storage battery negative terminal is connected with automobile current generator output terminal live wire B, and the output control terminal of engine oil pressure monitor 2 also is connected with the power inleting terminal C of vehicle fuel solenoid valve.
Among the embodiment as shown in Figure 2, aforesaid coolant temperature monitor 1 is by two relay J 1, J2, normally closed temperature detect switch (TDS) K1 and tutorial light Z1 form, one end of power input first relay J 1 winding, the moving contact J2-1 of the moving contact J1-1 and second relay J 2 is connected with the automobile storage battery anode, the other end of first relay J, 1 winding is connected with the end of aforementioned normally closed temperature detect switch (TDS) K1, the other end of this normally closed temperature detect switch (TDS), one end of second relay J, 2 windings and an end and the automobile storage battery negative terminal of tutorial light Z1 connect altogether, the other end of tutorial light Z1 is connected with the normally open contact J2-3 of second relay J 2, the other end of second relay J, 2 windings is connected with the normally closed interlock J1-2 of first relay J 1, the moving contact J3-1 of the 3rd relay J 3 in the normally closed interlock J2-2 of output control terminal second relay J 2 and the engine oil pressure monitor 2 is connected, and the thermostat lower cover in aforementioned normally closed temperature detect switch (TDS) K1 and the automobile cooling system is connected.When motor car engine is in normal working, first relay J, 1 energising work this moment, moving contact J1-1 and normally closed interlock J1-2 on it are disconnected, and with vacant normally open contact J1-3 adhesive, second, third relay is not worked, and the automobile storage battery anode is connected with the power inleting terminal C of vehicle fuel solenoid valve.When if coolant temperature surpasses the setting temperature (as 92 ℃) of automobile cooling system, being connected in the temperature detect switch (TDS) K1 that covers under the thermostat disconnects at once, the outage of the first relay winding is not worked, discharge moving contact J1-1, it is engaged with normally closed interlock J1-2, make the 2 winding energising work of second relay J, moving contact J2-1 and normally closed interlock J2-2 discharge and normally open contact J2-3 adhesive, light tutorial light Z1, disconnect the power inleting terminal of vehicle fuel solenoid valve simultaneously, this solenoid valve outage.Thereby motor car engine is quit work, the automobile stagnation of movement.Aforesaid engine oil pressure monitor 2 is by the 3rd relay J 3, time delay relay J4 and tutorial light Z2 form, one end of power input time delay relay J4 winding and the moving contact J4-1 of time delay relay J4 are connected with the automobile storage battery anode with automobile current generator output terminal live wire B respectively, the other end of time delay relay J4 winding and the end of tutorial light Z2 are connected with the automobile storage battery negative terminal, the normally open contact J4-3 of time delay relay J4 is connected with an end of the 3rd relay J 3 windings, the end of oil pressure sensor P1 on the other end of the 3rd relay J 3 windings and the automobile is connected, the normally closed interlock J2-2 of output control terminal second relay J 2 in the moving contact J3-1 of the 3rd relay J 3 and the coolant temperature monitor 1 is connected, the normally closed interlock J3-2 of output control terminal the 3rd relay J 3 is connected with the power inleting terminal C of vehicle fuel solenoid valve, and the normally open contact J3-3 of the 3rd relay J 3 is connected with the other end of tutorial light Z2.When automobile engine starting after 10 seconds, this moment, motor was in running order down, time delay relay J4 work, moving contact J4-1 on it discharges normally closed shake-up J4-2, engage normally open contact J4-3, when engine oil pressure just often because opening circuit of the moving oil pressure sensor P1 of auto lubrication oil system do not worked 3 outages of the 3rd relay J; When if engine oil pressure is on the low side, oil pressure sensor P1 connects, the 3 energising work of the 3rd relay J, moving contact J3-1 and normally closed interlock J3-2 discharge and normally open contact J3-3 adhesive, light tutorial light Z2, disconnect the power inleting terminal of vehicle fuel solenoid valve simultaneously, this solenoid valve outage.Thereby motor car engine is quit work, the automobile stagnation of movement.Also be provided with between the power inleting terminal C of the power input of aforesaid coolant temperature monitor 1 and vehicle fuel solenoid valve and execute K switch 2.The setting of this compulsory execution K switch 2 is for avoiding because of fault of the present utility model, and engine coolant temperature normally reaches engine oil pressure also just often, motor can not start, can press and execute switch activated motor, if this moment, motor can't start, just not the problem of this device, but other fault of motor.
Claims (4)
1; a kind of motor car engine temperature; the oil pressure overload protection arrangement; it is characterized in that forming by coolant temperature monitor (1) and engine oil pressure monitor (2); the power input of coolant temperature monitor (1) is connected with the automobile storage battery negative terminal with the automobile storage battery anode; the output control terminal of coolant temperature monitor (1) is connected with the output control terminal of engine oil pressure monitor (2); the power input of engine oil pressure monitor (2) and automobile storage battery anode; the automobile storage battery negative terminal is connected with automobile current generator output terminal live wire (B), and the output control terminal of engine oil pressure monitor (2) also is connected with the power inleting terminal (C) of vehicle fuel solenoid valve.
2; by the described motor car engine temperature of claim 1; the oil pressure overload protection arrangement; it is characterized in that aforesaid coolant temperature monitor (1) is by two relay (J1; J2); normally closed temperature detect switch (TDS) (K1) and tutorial light (Z1) are formed; one end of power input first relay (J1) winding; the moving contact (J2-1) of moving contact (J1-1) and second relay (J2) is connected with the automobile storage battery anode; the other end of first relay (J1) winding is connected with an end of aforementioned normally closed temperature detect switch (TDS) (K1); the other end of this normally closed temperature detect switch (TDS); one end of second relay (J2) winding and an end and the automobile storage battery negative terminal of tutorial light (Z1) connect altogether; the other end of tutorial light (Z1) is connected with the normally open contact (J2-3) of second relay (J2); the other end of second relay (J2) winding is connected with the normally closed interlock (J1-2) of first relay (J1); the moving contact (J3-1) of the 3rd relay (J3) in the normally closed interlock (J2-2) of output control terminal second relay (J2) and the engine oil pressure monitor (2) is connected, and aforementioned normally closed temperature detect switch (TDS) (K1) is connected with thermostat lower cover in the automobile cooling system.
3; by the described motor car engine temperature of claim 1; the oil pressure overload protection arrangement; it is characterized in that aforesaid engine oil pressure monitor (2) is by the 3rd relay (J3); time delay relay (J4) and tutorial light (Z2) are formed; one end of power input time delay relay (J4) winding and the moving contact (J4-1) of time delay relay (J4) are connected with the automobile storage battery anode with automobile current generator output terminal live wire (B) respectively; the other end of time delay relay (J4) winding and an end of tutorial light (Z2) are connected with the automobile storage battery negative terminal; the normally open contact (J4-3) of time delay relay (J4) is connected with an end of the 3rd relay (J3) winding; one end of the oil pressure sensor (P1) on the other end of the 3rd relay (J3) winding and the automobile is connected; the normally closed interlock (J2-2) of output control terminal second relay (J2) in the moving contact (J3-1) of the 3rd relay (J3) and the coolant temperature monitor (1) is connected; the normally closed interlock (J3-2) of output control terminal the 3rd relay (J3) is connected with the power inleting terminal (C) of vehicle fuel solenoid valve, and the normally open contact (J3-3) of the 3rd relay (J3) is connected with the other end of tutorial light (Z2).
4,, also be provided with compulsory execution switch (K2) between the power input that it is characterized in that aforesaid coolant temperature monitor (1) and the power inleting terminal (C) of vehicle fuel solenoid valve by claim 1 or 2 or 3 described motor car engine temperature, oil pressure overload protection arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201000901U CN201250704Y (en) | 2008-09-24 | 2008-09-24 | Car engine temperature oil-pressure overload protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201000901U CN201250704Y (en) | 2008-09-24 | 2008-09-24 | Car engine temperature oil-pressure overload protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250704Y true CN201250704Y (en) | 2009-06-03 |
Family
ID=40746378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201000901U Expired - Fee Related CN201250704Y (en) | 2008-09-24 | 2008-09-24 | Car engine temperature oil-pressure overload protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201250704Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314406A (en) * | 2017-06-28 | 2017-11-03 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of induction cooker |
-
2008
- 2008-09-24 CN CNU2008201000901U patent/CN201250704Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314406A (en) * | 2017-06-28 | 2017-11-03 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of induction cooker |
| CN107314406B (en) * | 2017-06-28 | 2019-06-18 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of induction cooker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2813700A1 (en) | Engine starting device and automatic stopping and restarting control device of engine | |
| CN113339146B (en) | Protection method and protection system for sudden stopping of engine and engine | |
| EP3103980A1 (en) | Apparatus and method for diagnosing failure of piston cooling jet of engine | |
| IE42716B1 (en) | Safety devices for fitting to internal combustion engines | |
| CN201250704Y (en) | Car engine temperature oil-pressure overload protection device | |
| CN201627684U (en) | Device for monitoring lubricant level of wind power speed increaser | |
| CN109372983A (en) | A kind of automatic transmission limping mode control method | |
| CN1325301C (en) | Automatic centralized lubricating system of vehicle chassis | |
| CN201539310U (en) | Automatic protecting device of automobile engine | |
| CN204326145U (en) | The comprehensive flame-out protection device of loader | |
| CN109268155B (en) | Electric control system of mining explosion-proof locomotive | |
| CN204878640U (en) | Special type vehicle gearbox main shaft axle journal wearing and tearing skew suggestion device | |
| CN102910067A (en) | Hydraulic cooling control method of hydraulic torque converter for tunnel construction internal combustion traction locomotive | |
| CN214836602U (en) | Start-stop protection device for engine | |
| CN102734133A (en) | Cooling device for air compressor | |
| CN203032399U (en) | Novel automobile condition monitoring device | |
| CN201723268U (en) | Oil supply system for engine | |
| CN101560910B (en) | Turbocharger double-grade automatic protection system | |
| CN201763411U (en) | Automatic protection control device for engine with excessively low oil pressure | |
| CN202611792U (en) | Flame-out protection controller of multi-cylinder diesel engine | |
| CN202349194U (en) | Automatic startup and shutdown device for multi-gear transmission of vehicle | |
| CN204755652U (en) | Automatic wheeling unit of fluid pressure type | |
| CN205477813U (en) | Compression ignition engine oil pressure protection device | |
| CN203130185U (en) | Flame-out protection device of multi-cylinder diesel engine | |
| CN2750058Y (en) | Automatic safe shutdown protector for engine |
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: 20090603 Termination date: 20100924 |