Engine oil temperature and pressure sensor

Abstract

The utility model relates to the technical field of temperature and pressure sensors, and discloses an engine oil temperature and pressure sensor which comprises a temperature and pressure sensor body, the temperature and pressure sensor body comprises a plug assembly, and a temperature sensing shell is installed on the lower portion of the plug assembly. The temperature and pressure sensor is mounted on the main oil duct of the engine, so that the NTC thermistor can sense the temperature change of engine oil, and when the temperature of the engine oil of the engine changes, the NTC thermistor converts a corresponding change signal of the resistance value of the NTC thermistor along with the temperature change of the engine oil into an electric signal for an ECU (electronic control unit) to use. The pressure chip can detect the engine oil pressure in real time through the vent hole in the temperature sensing shell and convert a pressure signal into an electric signal to be used by the ECU, and when the temperature is lower than or higher than the alarm temperature and lower than the alarm voltage, the alarm gives an alarm and lightens the alarm lamp, so that accurate monitoring and alarm prompting of the engine oil temperature and pressure of the engine are achieved. And normal work of an engine lubricating system is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature pressure sensor technical field more specifically, the utility model relates to an oil temperature pressure sensor. BACKGROUND

[0002] The oil temperature pressure sensor is an important part in the application of automobile and industrial field, is used for detecting the temperature and pressure signal of measured medium, and signal is converted into electric signal information output after processing by conditioning circuit. UTILITY MODEL CONTENTS

[0003] In order to overcome the insufficient of prior art, the utility model provides an oil temperature pressure sensor, has the advantages such as accurate monitoring and alarm prompt of engine oil temperature and pressure, ensure the normal work of engine lubricating system.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: an oil temperature pressure sensor, including temperature pressure sensor, the temperature pressure sensor includes plug assembly, the lower part of plug assembly is installed with temperature sensing shell, one end of plug assembly is installed with pressure chip, the inside one side of temperature sensing shell is installed with NTC thermistor, the inside other side of temperature sensing shell is equipped with air hole, the both sides of the outer wall of temperature pressure sensor are installed with alarm and alarm lamp respectively.

[0005] As an oil temperature pressure sensor preferred technical scheme of the utility model, the lower surface of plug assembly is installed with sealing device, and the sealing device is attached to the inner wall of temperature sensing shell on one side.

[0006] As an oil temperature pressure sensor preferred technical scheme of the utility model, temperature sensor module and pressure sensor module are installed in temperature pressure sensor, data acquisition and processing module is electrically connected to the output end of temperature sensor module and pressure sensor module, signal transmission module is electrically connected to the output end of data acquisition and processing module, and alarm module is electrically connected to the output end of signal transmission module.

[0007] As an oil temperature pressure sensor preferred technical scheme of the utility model, the output end of alarm module is electrically connected to the input end of alarm and alarm lamp, and the alarm and alarm lamp are electrically connected.

[0008] As an oil temperature pressure sensor preferred technical scheme of the utility model, the pressure chip and pressure sensor module are electrically connected.

[0009] As a kind of oil temperature pressure sensor preferred technical scheme of the utility model, the NTC thermistor is electrically connected with temperature sensor module.

[0010] Compared with prior art, the utility model has the beneficial effects as follows:

[0011] The utility model discloses a temperature pressure sensor is installed on the main oil passage of engine, and then NTC thermistor can perceive oil temperature change, when the oil temperature of engine changes, NTC thermistor changes resistance value corresponding signal with oil temperature change, and changes into electric signal, for ECU use, and pressure chip can detect oil pressure in real time through the air hole on temperature sensing shell, and converts pressure signal into electric signal, for ECU use, when lower than or higher than alarm temperature and lower than alarm voltage, alarm gives an alarm and lights alarm lamp, to realize accurate monitoring and alarm prompt to engine oil temperature and pressure, ensure the normal work of engine lubricating system. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is system framework drawing of the utility model;

[0013] Fig. 2 It is perspective view of the utility model;

[0014] Fig. 3 It is sectional view of the utility model.

[0015] In the drawing: 1, temperature pressure sensor;101, temperature sensor module;102, pressure sensor module;103, data acquisition and processing module;104, signal transmission module;105, alarm module;2, plug assembly;3, temperature sensing shell;4, pressure chip;5, NTC thermistor;6, air hole;7, sealing device;8, alarm;9, alarm lamp. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0017] As Figs. 1 to 3As shown, the utility model provides a kind of oil temperature pressure sensor, including temperature pressure sensor 1, temperature pressure sensor 1 includes plug assembly 2, the lower portion of plug assembly 2 is equipped with temperature sensing shell 3, one end of plug assembly 2 is equipped with pressure chip 4, one side inside temperature sensing shell 3 is equipped with NTC thermistor 5, another side inside temperature sensing shell 3 is equipped with air hole 6, the outer wall of temperature pressure sensor 1 two sides is equipped with alarm 8 and alarm lamp 9 respectively;

[0018] By installing temperature pressure sensor 1 on the main oil way of engine, NTC thermistor 5 can perceive oil temperature change, when engine oil temperature changes, NTC thermistor 5 changes resistance value corresponding to change signal into electric signal with oil temperature, for ECU use, and pressure chip 4 can detect oil pressure in real time through air hole 6 on temperature sensing shell 3, and convert pressure signal into electric signal, for ECU use, when lower than or higher than alarm temperature and lower than alarm voltage, alarm 8 gives alarm and lights alarm lamp 9, to realize accurate monitoring and alarm prompt of engine oil temperature and pressure, ensure normal work of engine lubricating system.

[0019] Wherein, the lower surface of plug assembly 2 is equipped with seal 7, one side of seal 7 is attached to the inner wall of temperature sensing shell 3;Temperature sensor module 101 and pressure sensor module 102 are installed in temperature pressure sensor 1, data acquisition and processing module 103 is electrically connected to the output end of temperature sensor module 101 and pressure sensor module 102, signal transmission module 104 is electrically connected to the output end of data acquisition and processing module 103, alarm module 105 is electrically connected to the output end of signal transmission module 104;The output end of alarm module 105 is electrically connected to the input end of alarm 8 and alarm lamp 9, alarm 8 and alarm lamp 9 are electrically connected;Pressure chip 4 is electrically connected with pressure sensor module 102;NTC thermistor 5 is electrically connected with temperature sensor module 101;

[0020] By installing oil temperature pressure sensor 1 on the main oil way of engine, temperature sensor module 101 on oil temperature pressure sensor 1 perceives oil temperature change through its internal NTC thermistor 5, pressure sensor module 102 on oil temperature pressure sensor 1 monitors oil pressure in real time through its internal pressure chip 4 through air hole 6 on temperature sensing shell 3, and data acquisition and processing module 103 can obtain temperature data and pressure data, and process data, and then send to alarm module 105 through signal transmission module 104, to output alarm signal, so that alarm 8 alarms and lights alarm lamp 9.

[0021] The working principle and use process of the utility model are as follows:

[0022] The temperature sensor module 101 on the oil temperature pressure sensor 1 senses the oil temperature change through the NTC thermistor 5 inside it, when the oil temperature of the engine changes, the NTC thermistor 5 changes the resistance value corresponding to the oil temperature change signal into an electric signal for the ECU to use; The pressure sensor module 102 on the oil temperature pressure sensor 1, the internal pressure chip 4 monitors the oil pressure in real time through the air hole 6 on the temperature sensing shell 3, and converts the pressure signal into an electric signal for the ECU to use; When the alarm temperature and the alarm voltage are lower than or higher than, the data acquisition and processing module 103 can obtain temperature data and pressure data therefrom, and process the data, and then send it to the alarm module 105 through the signal transmission module 104, so as to output the alarm signal, so that the alarm 8 alarms and the alarm lamp 9 is lit, so as to realize the accurate monitoring and alarm prompt of the engine oil temperature and pressure, and ensure the normal work of the engine lubricating system.

[0023] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0024] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An oil temperature and pressure sensor, comprising a temperature and pressure sensor (1), characterized in that: The temperature and pressure sensor (1) comprises a plug assembly (2), a temperature sensing housing (3) is mounted on the lower portion of the plug assembly (2), a pressure chip (4) is mounted on one end of the plug assembly (2), an NTC thermistor (5) is mounted on one side of the interior of the temperature sensing housing (3), a vent hole (6) is provided on the other side of the interior of the temperature sensing housing (3), and an alarm (8) and an alarm light (9) are mounted on both sides of the outer wall of the temperature and pressure sensor (1), respectively.

2. The oil temperature and pressure sensor according to claim 1, characterized in that: A sealer (7) is installed on the lower surface of the plug assembly (2), and one side of the sealer (7) is in contact with the inner wall of the temperature sensing housing (3).

3. The oil temperature and pressure sensor according to claim 1, characterized in that: A temperature sensor module (101) and a pressure sensor module (102) are installed in the temperature and pressure sensor (1); the output ends of the temperature sensor module (101) and the pressure sensor module (102) are electrically connected to a data acquisition and processing module (103); the output end of the data acquisition and processing module (103) is electrically connected to a signal transmission module (104); and the output end of the signal transmission module (104) is electrically connected to an alarm module (105).

4. The oil temperature and pressure sensor according to claim 3, characterized in that: The output end of the alarm module (105) is electrically connected to the input ends of the alarm (8) and the alarm light (9), and the alarm (8) and the alarm light (9) are electrically connected.

5. The oil temperature and pressure sensor according to claim 1, characterized in that: The pressure chip (4) is electrically connected to the pressure sensor module (102).

6. The oil temperature and pressure sensor according to claim 1, characterized in that: The NTC thermistor (5) is electrically connected to the temperature sensor module (101).

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