CN112483216A - Sensor for simultaneously detecting engine oil liquid level and engine oil temperature - Google Patents
Sensor for simultaneously detecting engine oil liquid level and engine oil temperature Download PDFInfo
- Publication number
- CN112483216A CN112483216A CN202011550228.XA CN202011550228A CN112483216A CN 112483216 A CN112483216 A CN 112483216A CN 202011550228 A CN202011550228 A CN 202011550228A CN 112483216 A CN112483216 A CN 112483216A
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- China
- Prior art keywords
- oil
- liquid level
- sensor
- engine oil
- circuit board
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
- F01M11/12—Indicating devices; Other safety devices concerning lubricant level
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/001—Heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/005—Controlling temperature of lubricant
- F01M5/007—Thermostatic control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a sensor for simultaneously detecting the liquid level and the temperature of engine oil, which comprises a sleeve and a base assembly fixedly connected with the sleeve, wherein the top of the sleeve is provided with a clamping groove, a circuit board assembly is clamped in the clamping groove and is connected with a plug assembly through a cable, and the circuit board assembly has the functions of detecting the liquid level and the temperature of the engine oil; the liquid level of the machine oil is convenient to measure in real time, whether the liquid level of the machine oil is lower than an alarm line is monitored in real time, the machine oil is convenient to add in time, and the measurement is convenient. The structure is convenient to assemble, and the screw is adopted for fixing and assembling, so that the installation and the test are convenient; the two functions of measuring the oil level and the oil temperature are integrated on one sensor, and the functions are integrated. When the engine oil liquid level is measured, the special material of the resistance wire is utilized, after constant current is input, the resistance wire is continuously heated and cooled, different voltage differences are output according to different sensors of the liquid level, signals are transmitted, and an Electronic Control Unit (ECU) of an automobile measures the engine oil liquid level according to the voltage differences output by the sensors.
Description
Technical Field
The invention relates to the field of automobile accessories, in particular to a sensor for simultaneously detecting the oil level and the oil temperature.
Background
In the market, the engine oil level measuring method of the engine mainly comprises the following steps: 1. when the oil level is checked, a flat road surface is selected, and the engine is checked through an oil rule after being extinguished for 15 minutes. 2. Before checking, the oil level gauge is taken out and wiped clean by a paper towel, then the oil level gauge is inserted until the handle is firmly fixed in the protective pipe, and finally the oil level gauge is taken out and held horizontally to observe the liquid level of the engine oil. 3. If the horizontal line is just at or below the load line, oil should be charged.
The existing liquid level measuring method has the defects that: 1. it is necessary that the engine be turned off and wait before measurement can be made. 2. The measuring mode is inconvenient. 3. Whether the oil level is short of oil or not can be known by measuring, and the early warning function is not provided. 4. The temperature of the engine oil in the engine cannot be tested in real time.
This patent is based on current technical problem, designs a sensor that detects machine oil liquid level and machine oil temperature simultaneously.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a sensor for simultaneously detecting the oil level and the oil temperature.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a detect sensor of machine oil liquid level and machine oil temperature simultaneously, includes the sleeve, with sleeve fixed connection's base assembly, telescopic top is equipped with the draw-in groove, and the block circuit board assembly in the draw-in groove, circuit board assembly pass through cable conductor connecting plug assembly.
Further, the circuit board assembly has an engine oil level and engine oil temperature detection function.
Furthermore, the upper part and the lower part of the base assembly are riveted through screws and then fixed through pressing and connecting bushings.
Furthermore, the terminal of the plug assembly is in compression joint with the cable, and after the cable is assembled, the plug assembly is internally filled with AB glue for fixation, and the AB glue protects the circuit in the plug assembly.
Further, the plug assembly is provided with an O-shaped ring.
Further, the circuit board assembly is SCTSD-520-10-05 model.
Furthermore, a resistance wire for feeding back the liquid level of the engine oil and a thermistor for feeding back the temperature of the engine oil are arranged on the circuit board assembly.
Furthermore, by utilizing the special material of the resistance wire, after the constant current is input, the resistance wire is continuously heated and cooled, and different voltage differences are output according to different sensors of the liquid level, so that signals are transmitted.
The invention has the beneficial effects that: 1. the liquid level of the machine oil is convenient to measure in real time, whether the liquid level of the machine oil is lower than an alarm line is monitored in real time, the machine oil is convenient to add in time, and the measurement is convenient. 2. The structure is convenient to assemble, and the screw is adopted for fixing and assembling, so that the installation and the test are convenient. 3. The two functions of measuring the oil level and the oil temperature are integrated on one sensor, and the functions are integrated. 4. When the engine oil liquid level is measured, the special material of the resistance wire is utilized, after constant current is input, the resistance wire is continuously heated and cooled, different voltage differences are output according to different sensors of the liquid level, signals are transmitted, and an Electronic Control Unit (ECU) of an automobile measures the engine oil liquid level according to the voltage differences output by the sensors.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 1;
fig. 4 is a schematic cross-sectional view of a plug assembly of the present invention.
Detailed Description
As shown in fig. 1 to 4, a sensor for simultaneously detecting the liquid level and the temperature of engine oil comprises a sleeve 1 and a base assembly 2 fixedly connected with the sleeve 1, wherein a clamping groove 3 is arranged at the top of the sleeve 1, a circuit board assembly 4 is clamped in the clamping groove 3, and the circuit board assembly 4 is connected with a plug assembly 6 through a cable 5.
Further, the circuit board assembly 4 has an engine oil level and engine oil temperature detection function. The upper part and the lower part of the base assembly 2 are riveted through screws and then are fixed by pressing the bushings. The terminal of plug assembly 6 and 5 crimping of cable conductor, behind 5 assembly of cable conductor, it is fixed that the AB glue is irritated in the plug assembly 6, and the circuit in the AB glue protection plug assembly, plug assembly 6 have O type circle.
Wherein, the model of the circuit board assembly 4 is SCTSD-520-10-05. And a resistance wire for feeding back the liquid level of the engine oil and a thermistor for feeding back the temperature of the engine oil are arranged on the circuit board assembly 4.
When the engine oil is lower than an alarm value, the Electronic Control Unit (ECU) can output a signal to prompt that the engine oil is lower, and display alarm on an instrument panel to prompt that the engine oil needs to be added. The circuit board assembly 4 is provided with a thermistor with a positive temperature coefficient, and feeds back different resistance values to an Electronic Control Unit (ECU) according to different engine oil temperatures. An Electronic Control Unit (ECU) judges the temperature of engine oil in the engine through a temperature resistance value fed back by a sensor and prompts and gives an alarm on an instrument panel.
To sum up, this sensor is convenient for the liquid level of real-time measurement machine oil, and whether real time monitoring machine oil liquid level is less than the alarm line, conveniently in time adds machine oil, measures the convenience. The structure is convenient to assemble, and the screw is adopted for fixing and assembling, so that the installation and the test are convenient. The two functions of measuring the oil level and the oil temperature are integrated on one sensor, and the functions are integrated. When the engine oil liquid level is measured, the special material of the resistance wire is utilized, after constant current is input, the resistance wire is continuously heated and cooled, different voltage differences are output according to different sensors of the liquid level, signals are transmitted, and an Electronic Control Unit (ECU) of an automobile measures the engine oil liquid level according to the voltage differences output by the sensors.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a detect sensor of machine oil liquid level and machine oil temperature simultaneously, includes the sleeve, with sleeve fixed connection's base assembly, its characterized in that, telescopic top is equipped with the draw-in groove, and the block circuit board assembly in the draw-in groove, circuit board assembly pass through cable conductor connecting plug assembly.
2. The sensor of claim 1, wherein the circuit board assembly is capable of detecting both oil level and oil temperature.
3. The sensor of claim 2, wherein the upper and lower portions of the base assembly are fixed by a press-fit bush after being riveted by screws.
4. The sensor for simultaneously detecting the oil level and the oil temperature as claimed in claim 2, wherein the terminal of the plug assembly is crimped with the cable, and after the cable is assembled, the plug assembly is fixed by filling AB glue, and the AB glue protects the circuit in the plug assembly.
5. The sensor for simultaneously sensing oil level and oil temperature of claim 2, wherein said plug assembly is provided with an O-ring.
6. The sensor of claim 2, wherein the circuit board assembly is of the type SCLTSD-520-10-05.
7. The sensor for simultaneously detecting the oil level and the oil temperature as claimed in claim 6, wherein a resistance wire for feeding back the oil level and a thermistor for feeding back the oil temperature are disposed on the circuit board assembly.
8. The sensor for simultaneously detecting the liquid level and the temperature of the engine oil as claimed in claim 7, wherein the material of the resistance wire is utilized, after constant current is input, the resistance wire is continuously heated and cooled, and different voltage differences are output according to different sensors of the liquid level, so that signals are transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011550228.XA CN112483216A (en) | 2020-12-24 | 2020-12-24 | Sensor for simultaneously detecting engine oil liquid level and engine oil temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011550228.XA CN112483216A (en) | 2020-12-24 | 2020-12-24 | Sensor for simultaneously detecting engine oil liquid level and engine oil temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112483216A true CN112483216A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011550228.XA Pending CN112483216A (en) | 2020-12-24 | 2020-12-24 | Sensor for simultaneously detecting engine oil liquid level and engine oil temperature |
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| CN (1) | CN112483216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739871A (en) * | 2021-08-27 | 2021-12-03 | 上海金脉汽车电子有限公司 | Engine oil liquid level detection device and detection method thereof |
-
2020
- 2020-12-24 CN CN202011550228.XA patent/CN112483216A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739871A (en) * | 2021-08-27 | 2021-12-03 | 上海金脉汽车电子有限公司 | Engine oil liquid level detection device and detection method thereof |
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