WO2016023279A1

WO2016023279A1 - Automobile engine lubricating oil guaranteeing device and control method therefor

Info

Publication number: WO2016023279A1
Application number: PCT/CN2014/090371
Authority: WO
Inventors: 刘新羽
Original assignee: 刘新羽
Priority date: 2014-08-11
Filing date: 2014-11-05
Publication date: 2016-02-18
Also published as: CN105443193A; CN105443193B

Abstract

An automobile engine lubricating oil guaranteeing device, comprising an automobile engine oil pan (101) storing engine oil. The amount of engine oil stored inside the engine oil pan (101) is the minimum amount of engine oil needed for keeping an engine lubricated without considering automobile engine oil losses within an oil change period. The device further comprises an engine oil adding storage tank (3). Also disclosed is an automobile engine lubricating oil guaranteeing control method, comprising the following steps: detecting the amount of engine oil stored in the oil pan (101); comparing the storage amount with a set storage amount; and when the storage amount is less than the set storage amount, adding engine oil into the engine oil pan (101) until the amount of the stored engine oil is greater than the set storage amount. By means of the device and method, under the condition of guaranteeing the amount of lubricating oil needed when the engine normally works, the lubricating oil can be supplemented to the engine in time while the engine constantly consumes the lubricating oil, it is ensured that the amount of the lubricating oil consumed by the engine is in the most energy-saving state, and a lubricating system becomes more reasonable.

Description

Automobile engine lubricating oil guarantee device and control method thereof

Technical field

The invention belongs to an automobile engine lubrication system, and particularly relates to an automobile engine lubricating oil guarantee device and a control method thereof.

Background technique

Advanced turbocharged direct injection engines (T-GDI engines, including TSI engines) have the advantages of small size, high power, fuel economy, and reduced emissions. However, compared to conventional engines, T-GDI engines (including TSI engines) The lubricating oil in the lubrication system has a higher operating temperature, which causes the lubricating oil to be consumed every 1000 kilometers more than the conventional engine. In order to ensure the safety of the engine and to consider the consumption of lubricating oil in a oil change interval, it is necessary to use the lubricating oil. Use the specification to increase the amount of lubricant in the engine oil sump. The amount of engine oil added is 200% to 250% of the most reasonable amount of use, or even more; the lubricant in the cab is also less normal in the lubricant. A warning is issued when the value is used 1.5 to 1.8 times. More engine oil will bring resistance to the engine, sacrificing part of the engine power. Experiments have proved that the engine is 2% to 11% of the power, and it will produce more carbon deposits, increase fuel consumption and reduce engine performance.

Summary of the invention

An object of the present invention is to provide an automobile engine lubricating oil securing device and a control method thereof, which are automatically added to an engine crankcase according to an operating condition of an oil by adding a storage tank and a control circuit.

In order to achieve the above object, the technical solution of the present invention is:

An automobile engine lubricating oil securing device comprises an automobile engine oil sump containing organic oil. After the engine is started, the oil pump draws the oil in the oil sump into the engine crankcase, and the oil reserve in the engine oil sump is Regardless of the oil reserve in the oil change period of the automobile and the minimum oil consumption required to maintain the engine lubrication, the apparatus further includes an oil addition storage tank, and an additional pipe is added to the oil suction passage of the oil pump, The additional pipe extends into the oil addition storage tank, a switch valve is disposed on the oil pumping passage of the oil pump, and a valve controller is connected to the switch valve to control the opening and closing of the additional pipe.

An automobile engine lubricating oil securing device comprises an automobile engine. The engine is provided with an oil sump for providing crankcase oil. The oil reserve in the engine oil sump is not considering the oil loss of the automobile during a oil change period, and the engine is maintained. Lubricating the oil reserve for the minimum amount of oil required, the apparatus further includes an oil addition storage tank, an oil addition pump and a switch, the oil addition storage tank is connected to the oil sump through an oil addition pump, the automobile battery power source and the engine oil The power input terminals of the added pump are connected together by the switch, which is a switch that starts the oil adding pump to add oil to the oil sump when the oil in the oil sump is less than the oil reserve.

Further preferred embodiments around the device are listed in the Detailed Description and are dependent on the independent right of the device in the claims.

An automobile engine lubricating oil guarantee control method is a lubricating oil automatic guarantee control method based on an automobile engine lubricating oil guarantee device, wherein the device organic oil is added to a storage tank; first, the oil reserve in the oil sump is not considered a car The oil reserve in the oil change period and the minimum oil consumption required to maintain engine lubrication; there is a standard value of the oil level in the oil sump under static; the method steps are: stop the engine, turn on the control power, measure The static oil of the engine in the static state, when the static oil inventory is less than the standard value of the scale, start the oil adding pump to replenish the oil to the oil pan.

An automobile engine lubricating oil guarantee control method is a lubricating oil automatic guarantee control method based on an automobile engine lubricating oil guarantee device, wherein the device organic oil is added to a storage tank; first, the oil reserve in the oil sump is not considered a car The oil reserve in the oil change period and the minimum oil consumption required to maintain the engine lubrication; there is a dynamic stock standard value of the oil reserve in the oil sump under the operating state of the engine; the method steps are:

The first step: start the engine, the car is in a walking or stopping state;

The second step: dynamically detecting the dynamic stock of oil in the oil sump;

The third step: comparing the dynamic stock with the dynamic stock standard value;

Step 4: When the dynamic inventory is less than the dynamic stock standard value, add the oil added to the oil tank to the engine oil sump until the dynamic stock is greater than the dynamic stock standard value, and return to the second step.

Further preferred embodiments around the method are listed in the Detailed Description and are dependent on the independent rights of the method in the claims.

The invention satisfies the lubricating oil in the normal working condition of the engine, and simultaneously supplies the lubricating oil to the engine while the engine continuously consumes the lubricating oil, ensures that the lubricating oil amount of the engine is in the most energy-saving state, exerts the efficiency of the engine, and makes the lubricating system More reasonable, the engine is more fuel efficient, reducing the formation of carbon deposits; the beneficial effects are:

1. The invention realizes the automatic addition of automobile engine lubricating oil, ensures that the automobile engine lubricating oil is under the condition of the minimum safe dosage, minimizes the resistance of the lubricating oil to the engine, maximizes the engine power, and makes the engine More fuel, can increase engine power by 2% to 11% at different speeds.

2. The invention eliminates the problem that the engine is replenished with lubricating oil in one oil change period due to the consumption of lubricating oil, which brings convenience to the owner and avoids the risk of not replenishing the lubricating oil in time.

3. The present invention can reduce the amount of carbon deposits produced by lubricating oil.

4. The invention is simple and reliable, has low cost and is convenient to implement.

The invention will now be described in detail in conjunction with the drawings and embodiments.

DRAWINGS

1 is a schematic structural view of Embodiment 1 of the present invention;

2 is a schematic view of a valve controller according to Embodiment 1 of the present invention;

Figure 3 is a schematic structural view of Embodiment 2 of the present invention;

Figure 4 is a schematic structural view of Embodiment 3 of the present invention;

FIG. 5 is a schematic diagram of switch control according to Embodiment 2 of the present invention; FIG.

FIG. 6 is a schematic diagram of switch control according to Embodiment 3 of the present invention.

detailed description

Example 1:

An automobile engine lubricating oil securing device is suitable for all internal combustion engine type engines of an automobile, and is particularly suitable for a TGDI (TSI) engine. As shown in FIG. 1 and FIG. 2, the device includes an automobile engine 1 and is provided with an engine. An oil sump 101 of the crankcase oil 102 is provided. After the engine is started, the oil pump 2 draws the oil in the oil sump into the engine crankcase. The above structure is a prior art structure. In the prior art, the oil in the oil sump If the oil reserve considering loss is the oil stored in the oil sump at the upper limit of the current normal oil measurement scale (generally 0.5 to 2 liters of the displacement of the car is 2 to 5 liters, 2 to 5 liters of the displacement of the car is 3 Up to 6 liters, the car with a displacement of 5 liters or more is 6 liters or more. At the same time, the required amount of oil is also the amount of oil required to maintain the rated pressure of the oil pump pressure, that is, the oil that maintains the rated oil pressure required for lubrication of the crankcase of the engine. The automobile oil pump is driven into the crankcase to ensure the oil of the oil pump pressure required for the basic lubrication of the crankcase. Considering the loss and the operation safety, the car is in the oil drain period and the machine is currently stored in the oil pan. It is required to maintain the engine crankcase lubricating oil 2 to 2.5 times the minimum amount. As the embodiment, the oil reserve in the engine oil sump is an oil reserve that does not take into account the engine oil loss in one oil change period of the automobile and maintains the minimum oil amount required for engine lubrication, and the device further includes an oil addition storage tank 3 An additional pipe 202 is added to the oil pumping passage 201 of the oil pump, the additional pipe extends into the oil adding storage tank, and a switching valve 4 is disposed on the oil pumping passage of the oil pump, and the switching valve is opened. The additional pipe enables the oil pump to add a switch valve for extracting the oil from the oil, and a valve controller 5 is connected to the switch valve to control the opening and closing of the additional pipe; wherein the switch valve is a controlled electronic switch The valve can be an electronically controlled three-way valve, the main passage of the three-way valve is connected with the inlet of the oil pumping passage of the oil pump, and the other two passages of the three-way valve are respectively connected to the oil sump and the oil adding storage tank, wherein the valve is controlled The valve is different depending on the structure of the switch valve. For example, when the switch valve is selected as a hydraulic valve, the valve controller is a hydraulic valve controller. Switch valve, pneumatic valve controller is a valve controller.

In an embodiment, a preferred embodiment is that the additional pipe is added to the main oil pipe 203 of the oil pan into the oil pan. When the main oil pipe is pumped, the additional pipe adopts the principle of siphoning to extract the oil into the storage tank and extract it again. So, in order to control For the flow rate, the inner diameter of the additional tube is smaller than the inner diameter of the main oil pipe, which is at least less than one-half. The switching valve can be in various forms, such as a pneumatic valve. For ease of control, preferably, the present embodiment uses an electromagnetically controlled valve that is disposed on the additional tube.

In the embodiment, for convenience of control, as shown in FIG. 2, the valve controller 5 includes a microprocessor 501 and a solenoid valve switch drive circuit 502, the microprocessor having a signal input circuit and a control output circuit. The signal input circuit is connected to an automobile engine operating parameter signal output 6, the control output circuit is connected to a solenoid valve switch drive circuit, and the electromagnetic valve switch drive circuit is connected to the electromagnetic control valve; the car engine parameter signal output is an engine speed signal output, temperature The signal output, the oil level signal output of the oil pan, and the oil pressure signal output, the signal can be obtained from the control circuit of the automobile, wherein the oil level signal output of the oil pan can also be set by the liquid level in the oil pan. The sensor is obtained.

In an embodiment, the oil adding storage tank and the oil pan are integrated, and the oil adding storage tank and the oil pan for the oil reserve are separated by the partition 7 , and the oil adding storage tank can also be combined with The oil pan is separately installed, and the oil adding tank is installed on the frame of the car.

In the embodiment, the oil reserve that does not consider the oil loss in a fuel change period of the automobile and the minimum oil amount required to maintain the engine lubrication is 40 in consideration of the loss in the oil change period of the automobile and maintains the upper limit value of the engine lubricating oil inventory. % to 60%.

Example 2:

This embodiment is a solution for removing the additional pipe based on Embodiment 1: an automobile engine lubricating oil securing device, which is suitable for all internal combustion engine of an automobile, and is particularly suitable for a TGDI (TSI) engine, as shown in FIG. The apparatus includes an automobile engine 1 provided with an oil sump 101 for providing crankcase oil 102, and the oil reserve in the engine oil sump is the minimum required to maintain engine lubrication in consideration of an oil change period of the automobile. The oil reserve for the oil consumption, the device further includes an oil addition storage tank 3, an oil addition pump 8 and a switch 9, the oil addition storage tank is connected to the oil sump through an oil addition pump, the automobile battery power source 10 and the oil The power input terminal of the adding pump is connected together by the oil filling switch 9-1 in the switch, and the switch is a switch for starting the oil adding pump to add the oil to the oil pan when the oil in the oil pan is less than the oil reserve. . In order to prevent the oil from returning, a one-way valve 11 which can only flow to the engine oil supply port is provided in the oil pipe between the oil addition tank and the oil pan oil supply port.

In the embodiment, as shown in FIGS. 1 and 3, the oil adding storage tank and the oil pan are integrally formed, and the oil adding storage tank and the oil pan for the oil oil reserve are separated by the partition plate 7.

However, as an existing motor vehicle, an organic oil addition port is provided on the automobile engine, and the oil addition storage tank may be disposed separately from the oil sump, and the oil addition storage tank is installed on a frame of the automobile, Switch using engine missing The relevant signal of the oil, start the oil to add the pump in time, and timely add the right amount of oil to the engine. Among them, if the oil reserve considering loss is the oil stored in the oil pan at the upper limit of the current normal oil measurement scale (generally 0.5 to 2) The car with an increase in displacement is 2 to 5 liters, the car with a displacement of 2 to 5 liters is 3 to 6 liters, and the car with a displacement of 5 liters or more is 6 liters or more. At the same time, the amount of oil required is also the pressure of the oil pump. The oil demand of the pressure, that is, the oil pressure required to maintain the engine crankcase lubrication, refers to the oil that the automobile oil pump drives into the crankcase to ensure the basic lubrication demand of the crankcase, taking into account the loss and operational safety, the car During an oil change interval, the oil remaining in the current oil sump is 2 to 2.5 times the minimum amount of oil required to keep the engine crankcase lubricated. Therefore, the oil reserve that does not consider the engine oil loss during a oil change interval and maintains the minimum oil consumption required for engine lubrication is a known data, which is to consider the loss during an oil change period of the automobile and maintain the engine lubricating oil inventory. 40% to 60% of the upper limit. A specific example is: consider the loss in a oil change cycle, and keep the upper limit of the engine lubricating oil inventory is 5L, the minimum oil consumption required to maintain the engine lubrication during the oil change interval is 2L to 3L. .

The oil addition port in the embodiment may be a newly opened hole in the engine crankcase, or a hole provided in the cover of the organic oil inlet port, or an opening provided in the upper portion of the oil tank oil pan.

Example 3:

This embodiment is a further improvement based on the embodiment 2. Therefore, the content of the embodiment 2 should also be taken as a part of the embodiment. In order to realize the dynamic balance of the oil in the oil pan, in the embodiment: As shown in Fig. 4, the apparatus further includes an oil extraction pump 12, the oil addition storage tank is connected to the oil extraction pump, the oil extraction pump is connected to the oil pan 101 through the oil pipeline, and the oil extraction pump is used for the oil pan. The oil is extracted, and the power input terminal of the automobile battery power supply and the oil extraction pump is connected through the oil suction switch 9-2 in the switch. Therefore, the switch is still when the oil in the oil pan is greater than 1.2 times the oil reserve. When the oil is turned on, the switch that starts the oil pumping out of the pump is activated.

In Embodiments 2 and 3: the switch is a push button switch that is installed in a cab of a car.

Example 4:

This embodiment is a further improvement on the basis of Embodiment 1, and therefore the content in Embodiment 1 should also be taken as a part of this embodiment. This embodiment: as shown in FIG. 5, the switch is currently on the market. The industrial control microprocessor control circuit is sold, including a charge relay 9-1 as a charge switch and a microprocessor 9-3. The input of the charge relay is connected to the battery power supply of the vehicle, and the output of the charge relay is connected to the oil. a power input terminal of the pump, the microprocessor has a signal input circuit and a control output circuit, the signal input circuit is connected to the automobile engine operating parameter signal output 6, and the control output circuit is connected to the charge relay relay on/off control circuit.

Example 5:

This embodiment is a further improvement based on the

embodiments

2 and 3. Therefore, the contents of the

embodiments

2 and 3 should also be taken as a part of the embodiment. In this embodiment, as shown in FIG. 6, the switch includes A charge relay 9-1 as a charge switch, a pumping relay 9-2 as a pump switch, and a microprocessor 9-3, an input of a charge relay and a pumping relay are connected to a car battery power source, and a charge relay The output is connected to the power input terminal of the oil adding pump 8. The output of the oil pumping relay is connected to the power input terminal of the oil pumping pump 12. The microprocessor has a signal input circuit and a control output circuit, and the signal input circuit is connected to the engine engine parameter signal. Output, the control output circuit has two output signals, the two output signals are respectively adding an oil control signal and a pumping oil control signal, adding an oil control signal to the control circuit of the charge relay, and pumping the oil control signal to the pumping relay Control circuit.

In the above embodiment, the motor engine parameter signal output includes at least an oil level signal output or an oil pressure signal output of the automobile engine oil sump. For this purpose, a liquid level sensor is provided in the oil sump of the automobile engine crankcase, and the oil is provided. The pressure signal can be obtained from the original engine operating parameter output board. When the oil pressure signal is used, when the oil pressure signal is reduced to a certain value, the microprocessor calculates the missing oil quantity, and calculates the working time of the oil pump according to the oil capacity of the oil pump, and starts the operation of the oil pump in time. Calculate the time and replenish the engine with the oil that is missing from the engine in time.

In the above embodiment, the oil shortage signal output as the oil pressure signal is a signal output which is converted by an electronic switch when the oil pressure of the engine control panel reaches the lower limit. The control circuit is the control circuit for the relay pull-in coil.

In the above embodiment, the microprocessor is a single-chip microcomputer. When the single-chip microcomputer receives the oil-deficient signal, the output signal is controlled according to a preset time period to start the oil pump to deliver the oil to the crankcase. The single-chip microcomputer uses the engine parameter signal output, for example, the engine oil pressure signal of the engine crankcase. When the oil pressure signal is reduced to a certain value, the single-chip computer calculates the missing oil quantity, and calculates the working of the oil pump according to the oil capacity of the oil pump. Time, start the oil pump work in time according to the calculated time, and timely supplement the engine with the engine oil.

The following two tables are test descriptions of the above devices, wherein: Table 1 is a comparison of the output power of three types of oil reserves for an engine with a full scale of 5L. Table 2 is for a motor oil measurement scale. Engines with a full scale of 5L use three oil reserves for oil loss.

Table 1

Table 2

Table 1 clearly shows that when the oil is kept in consideration of oil loss and maintains the engine lubricating oil inventory upper limit (measuring scale full scale) 50% to 60%, its output power is 1500 rpm to 5000 rpm. In the /min interval, the overall trend is that the engine power output can be increased by 2.24% to 11.56%. Table 2 shows that when the stock of oil is changed to 50% of the original stock, there is basically no increase in oil loss. When the stock of oil is changed to 60% of the original stock, the oil loss is even reduced.

Example 6

An automobile engine lubricating oil ensuring control method is a lubricating oil automatic guarantee control method based on the above-described embodiment of an automobile engine lubricating oil securing device; therefore, the contents of the embodiments 1 to 5 and the structure should be made to cope with the present implementation The execution hardware of the method, the device adds oil to the storage tank; firstly, the oil reserve in the oil sump is an oil reserve that does not take into account the engine oil loss during a oil change period of the automobile and maintains the minimum oil consumption required for engine lubrication. The oil reserve for maintaining the rated oil pressure required for lubrication of the crankcase of the engine, and the standard value of the oil level in the oil sump under static conditions; The step is: stop the engine, turn on the control power, measure the static stock of the engine in the static state, when the static stock of the oil is less than the standard value of the scale, start the oil adding pump to replenish the oil to the oil sump until the oil sump Engine oil with a motor oil greater than 1.15 times the standard value of the scale. When the static oil of the oil is greater than 1.2 times the standard value of the oil, the oil pump is started to withdraw the oil from the oil pan.

Among them, the oil reserve that does not consider the oil loss during the oil change period and the minimum oil consumption required to maintain the engine lubrication is a known value, and the oil calculated in the design of the automobile ensures engine lubrication in the crankcase oil sump. The stock value is considered to account for losses during an oil change interval and maintains 40% to 60% of the upper limit of the engine lubricating oil inventory.

Example 7

An automobile engine lubricating oil ensuring control method is a lubricating oil automatic guarantee control method based on the above-described embodiment of an automobile engine lubricating oil securing device; therefore, the contents and structures described in Embodiments 1 to 5 should be taken as a response to the present embodiment. The execution hardware of the method. This embodiment is a further optimization of the embodiment 6, as the method of the embodiment: the device organic oil is added to the storage tank; firstly, the oil reserve in the oil sump is not considering the oil loss in the oil change period of the automobile, and the engine is maintained. The oil reserve for lubricating the required minimum oil consumption is the oil reserve for maintaining the rated oil pressure required for lubrication of the engine crankcase, and the dynamic stock standard value of the oil reserve in the oil sump under the operating state of the engine; the method steps are:

The first step: start the engine, the car is in a walking or stopping state;

Among them: the dynamic stock standard value is the known value of the oil pump that can be stored in the fuel tank bottom case after the oil pump in the oil pan is pumped into the oil pan. Therefore, the oil reserve which does not consider the oil loss in the oil change period of the automobile and the minimum oil consumption required to maintain the engine lubrication is a known value, and the oil calculated in the design of the automobile ensures the engine in the crankcase oil sump. The stock value of lubrication is to consider the loss in the oil change cycle of the car and keep the engine's lubricating oil stock upper limit of 40% to 60%.

In an embodiment, the adding the oil in the oil-added storage tank to the engine oil sump is to add an oil by connecting an additional pipe to the oil-adding storage tank and opening the electromagnetic switch valve that opens the additional pipe.

In an embodiment, the adding the oil in the oil adding storage tank to the engine oil sump is to connect the oil adding storage tank and the oil sump by using an oil adding pump, and adding the oil to the pump to connect the power source to realize adding the oil.

In the embodiment: the dynamic inventory of the dynamic detection oil in the oil sump is considered due to the unevenness of the road surface when the automobile is walking, and the fluctuation of the oil surface when the oil returns from the crankcase to the tank bottom case: Within the set time The oil inventory value in the oil sump is detected multiple times, and the oil inventory value of multiple tests is averaged, and the average value is the dynamic stock. The set time can be determined according to an experimental setting, for example, 1 second, 5 seconds or 10 seconds, to find an optimal time period, and the multiple detections can also be determined according to experiments, for example, 5 times, 7 times, Find the best number of measurements 9 times.

Wherein, the information value of the oil inventory in the oil sump is detected multiple times by an information value obtained by a liquid level sensor disposed in the tank oil sump; or the oil stock value corresponding to the oil pressure signal fluctuating with the engine The obtained information value can be tested first to obtain the data, and then a numerical table corresponding to the dynamic inventory and the engine oil pressure signal is established in the microprocessor.

In an embodiment, as a further optimization scheme: the dynamic inventory standard value is a floating value, the method further comprises acquiring a temperature parameter when the engine is running, and increasing the dynamic inventory standard when the temperature is higher than a normal operating temperature of the engine. The value up to 1.1 times the dynamic stock standard value, the rate of change of the dynamic stock standard value can be increased by 1%; of course, engine speed or some other parameters can also be utilized, but using the temperature parameter is an optimal solution.

Embodiment 6 can be used in combination with the present embodiment to realize dynamic control of the oil in the oil pan in two states of engine starting and stopping.

Claims

An automobile engine lubricating oil securing device comprises an automobile engine oil sump containing organic oil. After the engine is started, the oil pump draws the oil in the oil sump into the engine crankcase, wherein the engine oil sump is The oil reserve is an oil reserve that does not take into account the engine oil loss during a oil change interval of the automobile and maintains the minimum oil amount required for engine lubrication. The device further includes an oil addition storage tank, and an additional oil pumping passage is added to the oil pump. The tube extends into the oil-added storage tank, a switch valve is disposed on the oil pumping passage of the oil pump, and a valve controller is connected to the switch valve to control the opening and closing of the additional pipe.
The automobile engine lubricating oil securing device according to claim 1, wherein the additional pipe is added to the main oil pipe of the oil pump, and the inner diameter of the additional pipe is smaller than the inner diameter of the main oil pipe. .
An automotive engine lubricating oil securing device according to claim 1 or 2, wherein said switching valve is an electromagnetically controlled valve.
An automotive engine lubricating oil securing apparatus according to claim 3, wherein said electromagnetic control valve is disposed on the additional pipe.
An automobile engine lubricating oil securing device according to claim 3 or 4, wherein said valve controller comprises a microprocessor and a solenoid valve switching drive circuit, said microprocessor having a signal input circuit and a control output circuit, the signal input circuit is connected to an automobile engine operating parameter signal output, the control output circuit is connected to the electromagnetic valve switch drive circuit, the electromagnetic valve switch drive circuit is connected to the electromagnetic control valve, and the automobile engine parameter signal output is the engine speed Signal output, temperature signal output, oil level signal output of oil pan, and oil pressure signal output.
An automobile engine lubricating oil securing device comprises an automobile engine provided with an oil sump for providing crankcase oil, wherein the oil reserve in the engine oil sump is not considered in the oil change period of the automobile. An oil reserve for loss and maintaining a minimum amount of oil required for engine lubrication, the apparatus further comprising an oil addition storage tank, an oil addition pump and a switch, the oil addition storage tank being in communication with the oil sump through an oil addition pump, the automobile The battery power source and the power input terminal of the oil adding pump are connected together by the switch, and the switch is a switch for starting the oil adding pump to add oil to the oil pan when the oil in the oil pan is less than the oil reserve.
An automobile engine lubricating oil securing device according to claim 6, wherein said device further comprises an oil withdrawing pump, said oil adding storage tank is further connected with the oil withdrawing pump, and the oil withdrawing pump passes through the pipeline The oil pan is connected, and the power input terminal of the oil pump is connected to the car battery power through the switch. The switch is a switch that starts the oil pump when the oil in the oil pan is greater than 1.2 times the oil reserve.
The automobile engine lubricating oil securing device according to claim 1 or 2 or 6 or 7, wherein the oil adding storage tank and the oil sump are integrated, and the oil is added to the storage tank and used for the oil Passing between the oil pans of the reserve The partitions are separated.
The automobile engine lubricating oil securing device according to claim 1 or 2 or 6 or 7, wherein the oil adding storage tank is separately provided from the oil pan, and the oil adding tank is installed in the car of the automobile. On the shelf.
The automobile engine lubricating oil securing device according to claim 6, wherein the switch comprises a charge relay and a microprocessor, the input of the charge relay is connected to the battery power of the automobile, and the output of the charge relay is connected to the oil. Adding a power input terminal of the pump, the microprocessor has a signal input circuit and a control output circuit, the signal input circuit is connected to an engine engine operating parameter signal output, and the control output circuit is connected to the charge relay relay on/off control circuit, The automobile engine parameter signal output includes at least an oil level signal output or an oil pressure signal output of the automobile engine oil sump.
The automobile engine lubricating oil securing device according to claim 7, wherein the switch comprises a charge relay, a pumping relay and a microprocessor, and an input of a charge relay and a pumping relay is connected to the car battery power source. The output of the charge relay is connected to the power input terminal of the oil adding pump, and the output of the oil pump relay is connected to the power input terminal of the oil pump, the microprocessor has a signal input circuit and a control output circuit, and the signal input circuit is connected to the car. The engine parameter signal output, the control output circuit has two output signals, the two output signals are respectively adding an oil control signal and a pumping oil control signal, adding an oil control signal to the control circuit of the charge relay, and pumping the oil control signal to connect The control circuit of the oil relay, the automobile engine parameter signal output includes at least an oil level signal output or an oil pressure signal output of the automobile engine oil sump.
The automobile engine lubricating oil securing device according to claim 1 or 6, wherein the oil reserve that does not take into account the engine oil loss during an oil change period of the automobile and maintains the minimum oil amount required for engine lubrication is in the automobile. Consider the loss during the oil change interval and maintain 40% to 60% of the upper limit of the engine lubricating oil inventory.
An automobile engine lubricating oil guarantee control method is a lubricating oil automatic guarantee control method based on an automobile engine lubricating oil securing device, wherein the device organic oil adding storage tank is characterized in that first, the oil reserve in the oil pan is Does not consider the oil reserve in the oil change period of the automobile and the minimum oil consumption required to maintain the engine lubrication; there is a standard value of the oil level in the oil sump under static; the method steps are: stop the engine, switch on Control the power supply and measure the static oil inventory of the engine in the static state. When the static oil inventory is less than the standard value of the scale, start the oil addition pump to replenish the oil to the oil pan.
The method of claim 13 wherein said method further comprises: when the oil static inventory is greater than 1.2 times the standard value of the oil, the oil extraction pump is activated to draw oil from the oil sump.
An automobile engine lubricating oil guarantee control method is a lubricating oil automatic guarantee control method based on an automobile engine lubricating oil securing device, wherein the device organic oil adding storage tank is characterized in that first, the oil reserve in the oil pan is Do not Considering the engine oil loss during the oil change period of the automobile and the minimum oil consumption required to maintain the engine lubrication; there is a dynamic stock standard value of the oil reserve in the oil sump under the operating state of the engine; the method steps are:

The first step: start the engine, the car is in a walking or stopping state;

The second step: dynamically detecting the dynamic stock of oil in the oil sump;

The third step: comparing the dynamic stock with the dynamic stock standard value;

Step 4: When the dynamic inventory is less than the dynamic stock standard value, add the oil added to the oil tank to the engine oil sump until the dynamic stock is greater than the dynamic stock standard value, and return to the second step.
The automobile engine lubricating oil ensuring control method according to claim 15, wherein the adding the oil in the oil adding storage tank to the engine oil sump is to connect an additional pipe to the oil adding storage tank by using the oil pump. Open the electromagnetic switch valve that opens the additional pipe to add the oil.
The automobile engine lubricating oil ensuring control method according to claim 15, wherein the adding the oil in the oil adding storage tank to the engine oil sump is to add the oil to the storage tank and the oil bottom by using an oil adding pump. Shell Unicom, adding oil to the pump to connect the power supply to add oil.
A method for controlling the lubricating oil of an automobile engine according to claim 15, wherein the dynamic inventory of the dynamic oil in the oil sump is detected in the oil sump multiple times within a set time The oil inventory value is obtained as an average of the oil inventory values of the multiple tests, which is a dynamic inventory.
The automobile engine lubricating oil ensuring control method according to claim 18, wherein the information value of the oil inventory in the oil sump is detected by a liquid level sensor disposed in a tank oil sump The information value; or the value of the information obtained from the oil inventory value corresponding to the engine oil pressure signal.
A method for controlling the lubricating oil of an engine of an automobile engine according to claim 13 or 15, wherein the oil reserve that does not take into account the oil loss in a fuel change period of the automobile and the minimum amount of oil required to maintain engine lubrication is in the automobile. Consider loss in an oil change interval and maintain 40% to 60% of the upper limit of the engine lubricating oil inventory.