阅读说明：本技术 电子智能机油标尺及机油自动添加方法 (Electronic intelligent engine oil dipstick and automatic engine oil adding method ) 是由 匡烨炘 匡星宇 于 2021-07-28 设计创作，主要内容包括：本发明涉及发动机领域,尤其涉及一种电子智能机油标尺及机油自动添加方法。螺纹密封部的内部设置有两个气压传感器；在机油标尺部的内部设置有第一空腔和位于第一空腔外部的第二空腔；第一空腔的上端和第二空腔的上端分别与一个气压传感器配合,下端贯穿机油标尺部的底部；气压传感器通过信号线与汽车电子系统连接。本发明的电子智能机油标尺,机油液位高于标尺部底部的位置时,机油浸泡住即堵住了第一空腔、第二空腔的底部,检测不到发动机内部的气压；低于标尺部底部的位置时,发动机内部活塞产生的反向气压传导到气压传感器,压力信号就变高,能够方便地检测到机油液位情况,具有结构简单、方便检测机油液位的特点。(The invention relates to the field of engines, in particular to an electronic intelligent engine oil dipstick and an automatic engine oil adding method. Two air pressure sensors are arranged inside the thread sealing part; a first cavity and a second cavity positioned outside the first cavity are arranged inside the oil gauge part; the upper end of the first cavity and the upper end of the second cavity are respectively matched with an air pressure sensor, and the lower end of the first cavity penetrates through the bottom of the oil level gauge part; the air pressure sensor is connected with an automobile electronic system through a signal wire. According to the electronic intelligent engine oil dipstick, when the engine oil level is higher than the bottom of the dipstick part, the engine oil is soaked to block the bottoms of the first cavity and the second cavity, and the air pressure in an engine cannot be detected; when being less than the position of scale portion bottom, atmospheric pressure sensor is conducted to the reverse atmospheric pressure that the inside piston of engine produced, and pressure signal just becomes high, can conveniently detect the machine oil liquid level condition, has simple structure, conveniently detects the characteristics of machine oil liquid level.)

1. Electronic intelligence machine oil dipstick, its characterized in that: the air pressure sensor comprises a threaded sealing part (1), wherein the bottom of the threaded sealing part (1) is connected with an organic oil scale part (2), and two air pressure sensors are arranged in the threaded sealing part (1); a first cavity (3) and a second cavity (8) positioned outside the first cavity (3) are arranged inside the engine oil dipstick part (2), and the length of the first cavity (3) is longer than that of the second cavity (8); the upper end of the first cavity (3) and the upper end of the second cavity (8) are respectively matched with an air pressure sensor, and the lower end of the first cavity and the lower end of the second cavity penetrate through the bottom of the oil gauge part (2); the air pressure sensor is connected with an automobile electronic system through a signal wire (4).

2. The electronic smart dipstick of claim 1, wherein: an indicator light (6) is arranged on the thread sealing part (1), and the indicator light (6) is connected with an automobile electronic system through a lead (5).

3. The electronic smart dipstick of claim 2, wherein: the indicator light (6) is a double-color flashing indicator light.

4. The electronic smart dipstick of claim 1, wherein: a holding part (7) is arranged at the top of the thread sealing part (1).

5. The electronic smart dipstick of claim 1, wherein: an o-shaped sealing ring is sleeved on the upper part of the thread sealing part (1).

6. The electronic smart dipstick of claim 1, wherein: the engine oil dipstick part (2) is cylindrical or square, and the cavity (3) is cylindrical.

7. An automatic oil adding method using the electronic intelligent oil dipstick of the above claims 1-6, characterized by comprising the steps of:

a. judging an engine oil level signal, when the engine oil level is lower than a set limit value, controlling an oil pump to operate according to a low-pressure mode by an automobile electronic system, and replenishing engine oil through an engine oil replenishing pump; if the engine oil level is lower than the alarm limit value, simultaneously giving an alarm and stopping the operation of the engine;

b. the automobile electronic system receives signals of an engine speed sensor and a throttle opening sensor, calculates target oil pressure according to the engine speed and the throttle opening, converts the oil pressure and a rotation speed calibration value into the rotation speed of an oil pump motor, and controls and adjusts the rotation speed of the oil pump motor in real time;

c. when the engine oil level measured by the electronic intelligent engine oil dipstick meets a set value, the engine oil replenishing pump is closed, and the oil pump operates according to a normal mode.

8. The automatic engine oil addition method according to claim 7, characterized in that: in the step a, the electronic system of the automobile adopts an ECU system.

9. The automatic engine oil addition method according to claim 7, characterized in that: and in the step b, the rotating speed of the oil pump motor is regulated in real time through proportional, integral and differential control.

10. The automatic engine oil addition method according to claim 7, characterized in that: and c, when the oil level meets the set value, the oil replenishing pump is closed, the alarm is closed, the oil pump operates according to a normal pressure mode, and the double-color flashing indicator lamp does not flash.

Technical Field

The invention relates to the field of engines, in particular to an electronic intelligent engine oil dipstick and an automatic engine oil adding method.

Background

An engine is a power source of many devices, and is a machine capable of converting other forms of energy into mechanical energy, and the operation of the engine requires the use of engine oil. Although the engine oil is not as fast as the fuel oil, the engine oil is also lost to a certain extent, the engine oil needs to be added when the engine oil is reduced to a certain amount, the existing adding mode is generally to directly clamp the sealing plug and observe the engine oil scale on the sealing plug, the mode is not accurate enough, the engine oil scale can be wetted by the engine oil dropping from the upper part of the engine, and a user cannot correctly judge the liquid level; moreover, the oil dipstick is observed by frequently taking down the plug, and the liquid level detection is quite inconvenient.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the electronic intelligent engine oil dipstick which is simple in structure and convenient to detect the liquid level of the engine oil.

The technical scheme adopted by the invention is as follows: the electronic intelligent engine oil dipstick comprises a thread sealing part, wherein the bottom of the thread sealing part is connected with an engine oil dipstick part, and two air pressure sensors are arranged inside the thread sealing part; a first cavity and a second cavity positioned outside the first cavity are arranged inside the engine oil dipstick part, and the length of the first cavity is longer than that of the second cavity; the upper end of the first cavity and the upper end of the second cavity are respectively matched with an air pressure sensor, and the lower end of the first cavity and the upper end of the second cavity penetrate through the bottom of the oil level gauge part; the air pressure sensor is connected with an automobile electronic system through a signal wire.

In order to better implement the invention, an indicator light is arranged on the thread sealing part and is connected with an automobile electronic system through a lead.

In order to better realize the invention, the indicator light is a double-color flashing indicator light.

In order to better realize the invention, a holding part is arranged at the top of the thread sealing part.

In order to better realize the invention, an o-shaped sealing ring is sleeved on the upper part of the thread sealing part.

In order to better realize the invention, the engine oil gauge part is cylindrical or square, and the cavity is cylindrical.

Aiming at the defects in the prior art, the invention provides an automatic engine oil adding method convenient for adding engine oil.

The adopted scheme is as follows: the automatic engine oil adding method comprises the following steps:

a. judging an engine oil level signal, when the engine oil level is lower than a set limit value, controlling an oil pump to operate according to a low-pressure mode by an automobile electronic system, and replenishing engine oil through an engine oil replenishing pump; if the engine oil level is lower than the alarm limit value, an alarm is given at the same time, and the engine stops running.

b. The automobile electronic system receives signals of an engine speed sensor and a throttle opening sensor, calculates target oil pressure according to the engine speed and the throttle opening, converts the oil pressure and a rotation speed calibration value into the rotation speed of an oil pump motor, and controls and adjusts the rotation speed of the oil pump motor in real time;

c. when the engine oil level measured by the electronic intelligent engine oil dipstick meets a set value, the engine oil replenishing pump is closed, and the oil pump operates according to a normal mode.

In order to better implement the present invention, in step a, the electronic system of the vehicle adopts an ECU system.

In order to better realize the invention, in the step b, the rotating speed of the oil pump motor is regulated in real time through proportional, integral and differential control.

In step c, when the oil level meets the set value, the oil replenishing pump is turned off and the alarm is turned off, the oil pump operates in normal pressure mode, and the double-color flashing indicator lamp does not flash.

The invention has the beneficial effects that: according to the electronic intelligent engine oil level gauge, through the matching of the threaded sealing part, the engine oil level gauge part, the air pressure sensor, the first cavity, the second cavity signal line, the automobile electronic system and the like, when the engine oil level is higher than the bottom of the gauge part, the engine oil is soaked, namely, the bottoms of the first cavity and the second cavity are blocked, and the air pressure in the engine cannot be detected; when being less than the position of scale portion bottom, atmospheric pressure sensor is conducted to the reverse atmospheric pressure that the inside piston of engine produced, and pressure signal just becomes high, can conveniently detect the machine oil liquid level condition, has simple structure, conveniently detects the characteristics of machine oil liquid level.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of an electronic smart dipstick according to the present invention;

in the attached figure, 1-a thread sealing part, 2-a scale part, 3-a first cavity, 4-an air pressure sensor signal wire, 5-an indicator light wire, 6-an indicator light, 7-a holding part and 8-a second cavity.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

Example 1:

as shown in fig. 1, the electronic intelligent dipstick of the invention comprises a thread sealing part 1, wherein the bottom of the thread sealing part 1 is connected with an organic oil dipstick part 2, and two air pressure sensors are arranged inside the thread sealing part 1; a first cavity 3 and a second cavity 8 positioned outside the first cavity 3 are arranged inside the oil dipstick part 2, and the length of the first cavity 3 is longer than that of the second cavity 8; the upper end of the first cavity 3 and the upper end of the second cavity 8 are respectively matched with an air pressure sensor, and the lower ends of the first cavity and the second cavity penetrate through the bottom of the oil level gauge part 2; the air pressure sensor is connected with an automobile electronic system through a signal wire 4. According to the electronic intelligent engine oil level gauge, through the matching of the threaded sealing part 1, the engine oil level gauge part 2, the air pressure sensor, the first cavity 3, the second cavity 8 signal line 4, an automobile electronic system and the like, when the engine oil level is higher than the bottom of the gauge part 2, engine oil is soaked, namely the bottoms of the first cavity 3 and the second cavity 8 are blocked, and the air pressure in an engine cannot be detected; when being less than the position of 2 bottoms in scale portion, the atmospheric pressure sensor is conducted to the reverse atmospheric pressure that the inside piston of engine produced, and pressure signal just becomes high, can conveniently detect the machine oil liquid level condition, has simple structure, conveniently detects the characteristics of machine oil liquid level.

Example 2:

in order to further and better implement the invention on the basis of the above-mentioned embodiment, an indicator light 6 is mounted on the screw seal 1, and the indicator light 6 is connected to the vehicle electronic system by a lead 5. After the design, when the air pressure sensor detects that the air pressure in the first cavity 3 or the second cavity 8 is higher than a certain threshold value, the signal is transmitted to the automobile electronic system to trigger the alarm prompt, and a user obtains corresponding alarm prompt information from the automobile electronic system and can send a control signal to enable the indicator lamp 6 to flash to conveniently play a prompt role.

Preferably, the indicator light 6 is a two-color flashing indicator light, which is yellow and red, respectively.

As a preferred embodiment, the electronic intelligent engine oil level gauge of the invention is inserted into the engine from the upper part of the engine, when the engine oil in the engine is short, the oil level firstly crosses the position lower than the bottom of the oil level gauge part 2 of the medium engine, the bottom port of the second cavity 8 is soaked by the oil liquid, the port of the second cavity 8 is exposed in the air, the cavity opens a channel, the recoil gas of the piston in the engine flows into the second cavity 8, the air flow is introduced into the pressure sensing device in the thread sealing part, the pressure sensing device sends out the signal of the alarm of the lack of the engine oil, the connection alarm indicator lamp 6 displays a yellow alarm, and only the light indicates the alarm at the moment. When the machine oil liquid level further lacks, and cross the time of the minimum end scale bottom of machine oil liquid level, 3 bottom ports of first cavity are owing to lose machine oil liquid and soak, 3 ports of first cavity expose in the air, the passageway is opened to first cavity 3, flow into first cavity 3 by the recoil gas pressure gas of the inside piston of engine, to the leading-in air current of another pressure sensing device in the thread sealing portion, this pressure sensing device sends the signal that lacks the machine oil warning, connect alarm indicator 6 and show red warning, can set up automobile electronic system and carry out the outage to locomotive ignition system and handle, make the engine stall, reduce because the great harm that lacks machine oil and bring.

Example 3:

on the basis of the above embodiment, in order to further implement the present invention, a holding portion 7 is disposed on the top of the thread sealing portion 1, so that the user can conveniently hold the holding portion 7 to rotate the thread sealing portion.

Example 4:

on the basis of the above embodiment, in order to further better implement the present invention, the upper portion of the thread sealing part 1 is sleeved with an o-shaped sealing ring, so that after the design, the sealing performance can be greatly improved, and the engine oil is prevented from overflowing.

Preferably, the dipstick portion 2 is cylindrical or square, and the cavity 3 is cylindrical.

Preferably, the dipstick portion 2 is made of PVC.

Preferably, the thread sealing part 1 is made of stainless steel.

Example 5:

on the basis of the above embodiment, in order to further better implement the present invention, the automatic engine oil adding method includes the following steps:

a. judging an engine oil level signal, when the engine oil level is lower than a set limit value, controlling an oil pump to operate according to a low-pressure mode by an automobile electronic system, and replenishing engine oil through an engine oil replenishing pump; if the engine oil level is lower than the alarm limit value, an alarm is given at the same time, and the engine stops running.

b. The automobile electronic system receives signals of an engine speed sensor and a throttle opening sensor, calculates target oil pressure according to the engine speed and the throttle opening, converts the oil pressure and a rotation speed calibration value into the rotation speed of an oil pump motor, and controls and adjusts the rotation speed of the oil pump motor in real time;

c. when the engine oil level measured by the electronic intelligent engine oil dipstick meets a set value, the engine oil replenishing pump is closed, and the oil pump operates according to a normal mode.

Preferably, in step a, the electronic system of the vehicle is an ECU system.

Preferably, in the step b, the rotation speed of the oil pump motor is adjusted in real time through proportional, integral and differential control.

Preferably, in the step c, when the oil level meets the set value, the oil replenishing pump is turned off, the alarm is turned off at the same time, the oil pump operates according to a normal pressure mode, and the double-color flashing indicator lamp does not flash.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.