KR100210147B1 - Heating plug for engine oil - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine oil pan of a vehicle. In general, a vehicle parked for a long time when the temperature is low in winter, and the engine oil stored in the engine oil pan is cooled, so that the lubrication of the engine oil is reduced. If the engine is suddenly started while the bearings and various friction parts are frozen, the lubrication action such as sealing, sealing, and cleanliness is reduced even when the engine oil reaches the upper head. In order to solve this shortened problem, the driver approaching the vehicle in a state in which the temperature of the engine oil detected by the temperature sensor 10 provided at a predetermined portion of the engine oil pan 1 is below a predetermined temperature is pyroelectric. Infrared sensor 11 detects power, drives transistor 40 and relay 50 to turn on timer Teeth 60, and the timer switch 60 operates the glow plug 70 inserted in the engine oil pan 1 for a predetermined time to increase the temperature of the engine oil, so that the engine oil temperature is low. Engine wear is prevented by efficient lubrication of the engine oil, which has the effect of extending the life of the engine.

Description

Glow plug in engine oil pan

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine oil fan of a vehicle. In particular, a cold engine oil stored in the engine oil pan is heated by a preheating plug at a low temperature by using a temperature sensor and a pyroelectric infrared sensor. The present invention relates to a glow plug of an engine oil pan to allow the engine oil to be lubricated efficiently.

In general, lubrication of an engine has an important meaning for cooling the engine while reducing frictional resistance inside the engine. The engine is infused with engine oil for this lubrication. The lubrication of the engine is based on oil pumping and scattering of the main moving parts. In addition, a wet sump method is generally used, in which engine oil is collected in an oil pan under the engine, and the oil is pumped to a main part by an oil pump. Specialty engines, such as racing engines, also use a dry sump that does not collect engine oil in an oil pan.

Lubrication inside the engine lubricates everything from valve arrangements to cylinders as well as the main moving parts. The frictional resistance of the crankshaft, the connecting rod, and the pistons in the main moving parts, as well as the cooling of the pistons and cylinders, which become hot, account for a large portion. In addition, the airtightness of the piston and the cylinder is also maintained by the engine oil.

Lubrication of the crankshaft bearing and the connecting rod bearing is made by pressurization by an oil pump, and lubrication of the piston and the cylinder wall is caused by the scattering of the engine oil by the rotation of the crankshaft. Lubrication of the camshaft, rocker arm, and intake / exhaust valve of the valve unit reduces the sliding resistance of this part, helps heat dissipation of the exhaust valve, and cools it. Engine oil is also pumped to the camshaft bearing and rocker arm, and the rocker arm sends lubricant to the intake and exhaust valves.

The oil film of the engine oil is very thin. However, as long as the oil film of the engine oil is not broken, there is no direct contact between the metals of the rotating or sliding parts. In addition, when the engine oil is injected into the rotating part, the frictional resistance is greatly reduced because the shaft holds the engine oil evenly in the bearing by centrifugal force.

The conventional engine oil supply device has a structure as shown in FIG. 1, and the engine oil pan 1 has a lot of presses made of steel. In an engine having an increasing number of half skirt engine blocks in recent years, the oil pan 1 is as deep as covering the crankshaft bearing portion (not shown). In severely used engines such as racing and rallying, an oil pan made of aluminum alloy with higher heating effect may be used.

In addition, in order to reduce vibration and noise of the engine, there is also a vibration suppression structure in which a synthetic resin is sandwiched between two steel sheets. Part of the oil pan 1 is deeper than other parts and is intended to store the engine oil in this part and pull it up from the oil pump 10.

The lower part of the oil pan (1) has a drain plug (3) of engine oil, and deteriorated engine oil is removed from it. In addition, a buffle plate (2) is provided inside the oil pan to prevent the oil pump 10 from operating due to air intake caused by the engine oil being biased to one side while driving. Although the joint part of (1) and the engine block 4 is a gasket, such as a liquid phase or a cork, the use of a liquid gasket is increasing in recent years.

In addition, it is the oil pump 10 that pumps engine oil to a crankshaft bearing (not shown) or a camshaft bearing (not shown). The oil pump 10 is driven by the crankshaft 13 directly or by a gear, a chain, a toothed belt, or the like, and a trocoid type, a crescent type, a gear type or the like is used. Trocoid type is composed of inner rotor and outer rotor, small size and high pressure. The crescent type consists of two gears that are inscribed and can be designed thinner than the trocoid type. The internal gear type uses two gears with the same diameter and is slightly larger than other methods, but is advantageous in that the discharge pressure is stable.

In addition, the engine oil discharged from the oil pump 10 lubricates the inside of the engine and sends it back to the oil pan 1. The engine oil circulating in the engine has a lubrication and cooling of the crankshaft 13 and the camshaft 14 and also has a clean action such as metal powder or combustion residues in the engine. By circulating inside the engine, these impurities are mixed in the engine oil. It is the oil cleaner 11 to remove the impurity contained in this engine oil. The oil cleaner 11 is generally installed immediately after the oil pump 10, and all of the engine oil discharged from the oil pump 10 passes through the oil cleaner 11 to be filtered out of the oil cleaner 11. Lubricate this engine. The oil cleaner 11 is an integrated cartridge type, most of which folds and puts a filter paper therein. The engine oil is freed of impurities by this filter paper. A part of the oil cleaner 11 includes a relief valve (not shown), and when the filter paper is damaged and the permeation resistance increases to increase the internal pressure of the cleaner, the relief valve opens to bypass the engine oil to lubricate the engine.

In addition, the engine oil stored in the oil pan should be able to maintain the required viscosity at various temperatures required by the engine, that is, any temperature, good lubrication under high temperature and will not oxidize, airtightness of the piston and cylinder Maintaining, helping to cool the engine, etc. should be satisfied. Therefore, not only mineral oil but also various additives are contained.

However, the vehicle parked for a long time when the temperature is low in winter, the engine oil stored in the engine oil pan is cooled, so the lubrication action of the engine oil is reduced, the engine suddenly in the state that the engine bearing and various friction parts are frozen When starting the engine lubrication action such as sealing, sealing, cleanliness is reduced even when the engine oil reaches the upper end head, there is a problem that the wear of the upper end of the engine is serious and shorten the life of the vehicle engine.

Accordingly, the present invention has been made to solve the above problems, the driver approaching the vehicle in a state in which the temperature of the engine oil detected by a temperature sensor provided at one side of the engine oil pan is below a certain temperature. It detects through a pyroelectric infrared sensor, drives transistors and relays to supply power to the timer switch, and operates the glow plug inserted into the engine oil pan for a predetermined time in the timer switch to increase the temperature of the engine oil. The purpose is to provide a glow plug for the engine oil pan.

1 is a schematic illustration of a conventional engine oil pan,

2 is a schematic circuit diagram of a glow plug of an engine oil pan according to the present invention.

* Explanation of symbols for main parts of the drawings

1: engine oil pan 2: baffle plate 3: drain plug

10: temperature sensor 11: pyroelectric infrared sensor 20: controller

30 comparator 31 reference voltage 40 transistor

50: relay 60: timer switch 70: glow plug

71: coil 72: oil ring 73: nut 74: socket

In order to achieve the above object, the present invention provides an engine oil pan for storing engine oil, and an inner side of an oil pan to prevent the oil pump from operating due to air suction caused by the engine oil being biased to one side while driving. An engine oil storage device including a baffle plate and a drain plug for exchanging deteriorated engine oil, the engine oil storage device being provided at one side of the engine oil pan and generating a predetermined detection signal by sensing an engine oil temperature. A pyroelectric infrared sensor provided at one side of a door handle of the vehicle and detecting a driver's approach to the vehicle to generate a constant detection signal, and detecting signals of the temperature sensor and the pyroelectric infrared sensor. When the engine oil temperature is lower than the preset temperature, A controller that generates a constant control signal when the vehicle approaches the vehicle, a comparator that generates a constant control signal when the control signal of the controller is greater than a reference voltage to prevent a malfunction, and a switching action by the control signal of the comparator A transistor, a relay driven by the switching action of the transistor, a timer switch connected to the relay and passing power for a predetermined time when the relay is turned on, and a drain plug provided below the oil pan. It is inserted into the position instead, characterized in that consisting of a glow plug that generates heat by the power supplied from the timer switch.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2, the temperature sensor 10 provided at one side of the engine oil pan 1 detects the temperature of the engine oil to generate a predetermined detection signal, and the vehicle door handle (not shown). The pyroelectric infrared sensor 11 provided at one predetermined portion detects whether the driver approaches the vehicle and generates a predetermined detection signal. The detection signals of the temperature sensor 10 and the pyroelectric infrared sensor 11 are input to the controller 20, and the controller 20 receives the detection signals of the temperature sensor 10 and the pyroelectric infrared sensor 11. When the driver approaches the vehicle in a state in which the temperature of the engine oil is set below a predetermined temperature, the controller generates a predetermined control signal and inputs it to the comparator 30. The comparator 30 generates a constant control signal when the control signal of the controller 20 is greater than the reference voltage 31 to prevent a malfunction. The control signal of the comparator 30 is input to the transistor 40, and the transistor 40 turns on the relay 50 by a switching action. When the relay 50 is turned on, power is supplied to the timer switch 60, and the timer switch 60 generates heat by supplying power to the glow plug 70 for a predetermined time.

The glow plug 70 is inserted in place of the drain plug 3 provided below the engine oil pan 1 and is surrounded by a protective film of a conductor to prevent direct contact with the engine oil and generates heat. It consists of the coil 71 and the socket 74 which consists of the oil ring 72 and the nut 73 in the circumference so that leakage of engine oil can be prevented.

As described above, the preheating plug of the engine oil pan according to the present invention may allow the driver to approach the vehicle in a state in which the temperature of the engine oil detected by a temperature sensor provided at one side of the engine oil pan is below a predetermined temperature. In this case, power is supplied to the timer switch by driving a transistor and a relay, and the temperature of the engine oil is increased by operating a glow plug inserted into the engine oil fan for a predetermined time in the timer switch. The effective lubrication of the engine prevents the wear of the engine has the effect of extending the life of the engine.

Claims (2)

Engine oil pan (1) for storing engine oil and baffle plate (2) and deterioration inside the oil pan to prevent the oil pump from operating due to air intake caused by the engine oil being biased to one side while driving An engine oil storage device comprising a drain plug (3) for exchanging used engine oil, the engine oil storage device being provided at one side of the engine oil pan (1) and sensing a temperature of engine oil to provide a predetermined detection signal. A pyroelectric infrared sensor 11 provided at a predetermined portion of one side of the vehicle door handle (not shown) and generating a predetermined detection signal when the driver approaches the vehicle, and the temperature When the driver receives the detection signals from the sensor 10 and the pyroelectric infrared sensor 11, the driver approaches the vehicle in a state in which the temperature of the engine oil is below a predetermined temperature. In this case, the controller 20 generates a constant control signal, and receives a control signal of the controller 20 to generate a constant control signal only when the control signal of the controller 20 is greater than the reference voltage 31. The comparator 30 which prevents a malfunction, the transistor 40 which switches by the control signal of the comparator 30, the relay 50 which is driven by the switching action of the transistor 40, and the said relay Is connected to the (50) and when the relay 50 is turned on instead of the position of the timer switch 60 for passing the power for a predetermined time and the drain plug (3) provided on the lower side of the oil pan (1) Preheating plug of the engine oil pan, characterized in that it is inserted and is composed of a glow plug (70) that generates heat by the power supplied from the timer switch (60). 2. The glow plug (70) of claim 1 is inserted in place of the drain plug (3) provided below the engine oil pan (1) and surrounded by a protective film of conductor to prevent direct contact with the engine oil. And a coil 71 that generates heat, and a socket 74 formed of an oil ring 72 and a nut 73 around the engine so as to prevent leakage of the engine oil. Glow plug.