CN218955977U

CN218955977U - Automobile oil pressure sensor

Info

Publication number: CN218955977U
Application number: CN202223542864.5U
Authority: CN
Inventors: 施联胜; 万刚敏; 陈朝许; 刘欢
Original assignee: Xiangyang Liansheng Electric Co ltd
Current assignee: Xiangyang Liansheng Electric Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-02
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of pressure sensors and discloses an automobile oil pressure sensor, which comprises a mounting joint, wherein the outer surface of the mounting joint is fixedly connected with a spiral pipe, one end of the spiral pipe is fixedly connected with an oil inlet pipe, the top end of the oil inlet pipe is fixedly connected with a shell, the upper surface of the shell is fixedly connected with a port, the top of the mounting joint is fixedly connected with a box body, a partition plate is arranged in the box body, one side of the partition plate is fixedly connected with a radiating fin, and one side of the radiating fin is fixedly connected with a semiconductor refrigerating fin. The spiral tube of the utility model prolongs the tube side of the gasoline inlet tube, generates low temperature after the semiconductor refrigerating sheet is started, the low temperature is continuously transmitted to the baffle plate through the radiating fin, the baffle plate exchanges heat with the cooling liquid, the cooling liquid keeps the low temperature to radiate the spiral tube through the outward conduction of the box body, the temperature of the gasoline in the spiral tube can be further reduced, and the whole structure is beneficial to reducing the temperature of the gasoline, so that the circuit board, the pressure chip and other components in the spiral tube are protected.

Description

Automobile oil pressure sensor

Technical Field

The utility model relates to the technical field of pressure sensors, in particular to an automobile oil pressure sensor.

Background

The oil pressure sensor of the automobile is a device for measuring the oil pressure of an engine of the automobile, and the measured data are used for controlling the normal operation of the engine.

According to the search, chinese patent literature, bulletin number: CN208223705U discloses an oil pressure sensor, advance oil through the inlet port, make the speed that advances oil through first reducing passageway and second reducing passageway slow down, thereby prevent that the safety cover from receiving too big impact and causing the removal or the damage of safety cover, oil pressure is through the oil pressure sensing chip measuring pressure in the casing, carry out first buffering through horizontal diapire earlier after the oil gets into the casing, then oil carries out buffering once more through conical depressed part, finally oil is measured by oil pressure sensing chip through the through-hole, the impact that oil pressure sensing chip received has been reduced, the life-span of extension oil pressure sensing chip. However, in the actual use process, the automobile engine can continuously work to generate higher temperature, and the oil pressure sensor does not have the characteristic of high temperature resistance, so that the oil pressure sensor is not durable enough. In view of this, improvements are needed.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the automobile oil pressure sensor which has the characteristic of high temperature resistance, thereby protecting the electronic elements in the oil pressure sensor and prolonging the service life, and solving the technical problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automobile oil pressure sensor, includes the installation joint, the surface fixed connection spiral pipe of installation joint, the one end fixed connection oil feed pipe of spiral pipe, the top fixed connection casing of oil feed pipe, the last fixed surface connection port of casing, the top fixed connection box body of installation joint, set up the baffle in the box body, one side fixed connection fin of baffle, one side fixed connection semiconductor refrigeration piece of fin, set up the coolant liquid between baffle and the box body, the internal fixation connection circuit board of casing, the lower surface connection pressure chip of circuit board, the lower fixed surface connection potsherd of pressure chip.

Preferably, the outer surface of the installation joint is fixedly connected with a hexagonal nut, and two ends of the spiral pipe are respectively connected with the installation joint and the oil inlet pipe.

Through above-mentioned technical scheme, with the oil pipe interface butt joint back of installation joint and engine, the hexagon nut that installation joint surface set up is convenient for use instrument twist the installation joint, and petrol enters into in the spiral pipe from the installation joint, has prolonged the tube side owing to be provided with the spiral pipe to make petrol delay entering into the oil feed intraductal, be favorable to cooling the petrol under the high temperature state.

Preferably, an interlayer is arranged between the box body and the partition plate, and cooling liquid is filled in the interlayer.

Through above-mentioned technical scheme, the semiconductor refrigeration piece passes through the wire and is connected with the port, makes the signal that can transmit pressure sensor at the port connection wire to the panel board, can also provide the electric energy for pressure sensor and semiconductor refrigeration piece, produces the low temperature after opening the semiconductor refrigeration piece, and the low temperature is constantly conducted to the baffle through the fin, and the baffle carries out the heat exchange with the coolant liquid again, and the coolant liquid keeps the low temperature to dispel the heat to the spiral pipe through the outside conduction of box body, so further can reduce the temperature of petrol in the spiral pipe.

Preferably, the outer surface of the oil inlet pipe is fixedly connected with a plurality of radiating fins.

Through the technical scheme, the gasoline in the spiral pipe enters the oil inlet pipe after being cooled, and the plurality of radiating fins are arranged on the outer surface of the oil inlet pipe so as to further radiate heat, thereby achieving the effect of further reducing the temperature of the gasoline.

Preferably, the ceramic plate is fixedly connected to the inner bottom surface of the housing.

Through above-mentioned technical scheme, petrol gets into in the oil feed pipe back and applys pressure to the potsherd, and the potsherd applys pressure to the pressure chip, and the pressure chip carries out the analysis of handling to pressure, passes through the circuit board and passes through the wire that connects on the port and transmits data signal to the panel board, and the potsherd adopts ceramic material as pressure transmission's plectrum, has corrosion resistance.

Preferably, the lower surface of the shell is fixedly connected with a screw tube, and the outer surface of the screw tube is connected with a sealing ring.

Through above-mentioned technical scheme, set up the internal thread on the top of advance oil pipe, so can install the casing on the top of advance oil pipe through the screwed connection of the screwed pipe with advance oil pipe of casing, can prevent through cup jointing the sealing washer at the screwed pipe surface of casing that petrol from advancing oil pipe and leaking.

Compared with the prior art, the utility model provides an automobile oil pressure sensor, which has the following beneficial effects:

the utility model has the advantages that the spiral tube, the box body, the cooling liquid, the semiconductor refrigerating sheet and other components are arranged, the tube side of the gasoline entering the oil inlet tube is prolonged by the spiral tube, the low temperature is generated after the semiconductor refrigerating sheet is started, the low temperature is continuously transmitted to the partition plate through the cooling sheet, the heat exchange is carried out between the partition plate and the cooling liquid, the cooling liquid is kept at the low temperature to radiate the spiral tube through the outward transmission of the box body, so that the temperature of the gasoline in the spiral tube can be further reduced, the temperature of the gasoline is reduced by the whole structure, and the circuit board, the pressure chip and other components in the shell are protected, and the service life is prolonged.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic diagram of the front of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a structural box of the present utility model;

fig. 4 is a schematic cross-sectional view of a structural shell of the present utility model.

Wherein: 1. installing a joint; 2. a spiral tube; 3. an oil inlet pipe; 4. a housing; 5. a port; 6. a case body; 7. a partition plate; 8. a heat sink; 9. a semiconductor refrigeration sheet; 10. a cooling liquid; 11. a circuit board; 12. a pressure chip; 13. and (3) a ceramic sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an automobile oil pressure sensor comprises a mounting joint 1, wherein the outer surface of the mounting joint 1 is fixedly connected with a spiral pipe 2, one end of the spiral pipe 2 is fixedly connected with an oil inlet pipe 3, the top end of the oil inlet pipe 3 is fixedly connected with a shell 4, the upper surface of the shell 4 is fixedly connected with a port 5, the top of the mounting joint 1 is fixedly connected with a box body 6, a partition 7 is arranged in the box body 6, one side of the partition 7 is fixedly connected with a cooling fin 8, one side of the cooling fin 8 is fixedly connected with a semiconductor refrigerating sheet 9, a cooling liquid 10 is arranged between the partition 7 and the box body 6, the inner surface of the shell 4 is fixedly connected with a circuit board 11, the lower surface of the circuit board 11 is connected with a pressure chip 12, and the lower surface of the pressure chip 12 is fixedly connected with a ceramic sheet 13.

Specifically, the outer surface of the installation joint 1 is fixedly connected with a hexagonal nut, and two ends of the spiral pipe 2 are respectively connected with the installation joint 1 and the oil inlet pipe 3. The oil pipe connector has the advantages that after the installation connector 1 is in butt joint with an oil pipe connector of an engine, the hexagon nut arranged on the outer surface of the installation connector 1 is convenient for a tool to screw the installation connector 1, and gasoline enters the spiral pipe 2 from the installation connector 1, and the pipe side is prolonged due to the arrangement of the spiral pipe 2, so that the gasoline is delayed to enter the oil inlet pipe 3, and the cooling of the gasoline in a high-temperature state is facilitated.

Specifically, an interlayer is arranged between the box body 6 and the partition plate 7, and cooling liquid 10 is filled in the interlayer. The advantage is that semiconductor refrigeration piece 9 passes through the wire to be connected with port 5, makes the signal that can transmit pressure sensor to the panel board at port 5 connecting wire, can also provide the electric energy for pressure sensor and semiconductor refrigeration piece 9, produces the low temperature after through opening semiconductor refrigeration piece 9, and the low temperature is constantly conducted to baffle 7 through fin 8, and baffle 7 carries out the heat exchange with coolant liquid 10 again, and coolant liquid 10 keeps the low temperature to dispel the heat to spiral pipe 2 through box body 6 outside conduction, so further can reduce the temperature of the petrol in the spiral pipe 2.

Specifically, the outer surface of the oil inlet pipe 3 is fixedly connected with a plurality of radiating fins. The advantage is, in the petrol in the spiral pipe 2 enters into oil feed pipe 3 after cooling, the surface of oil feed pipe 3 sets up a plurality of radiating fins and can further give off heat to reach the effect that further reduces petrol temperature.

Specifically, the ceramic plate 13 is fixedly attached to the inner bottom surface of the housing 4. The advantage is, after petrol gets into oil feed pipe 3 in, exert pressure to ceramic wafer 13, ceramic wafer 13 exerts pressure to pressure chip 12, and pressure chip 12 carries out the analysis to pressure processing, transmits data signal to the panel board through circuit board 11 at the wire of connecting on through port 5, and ceramic wafer 13 adopts ceramic material as the plectrum of pressure transmission, has anticorrosive performance.

Specifically, the lower surface of the shell 4 is fixedly connected with a spiral tube, and the outer surface of the spiral tube is connected with a sealing ring. The advantage is that set up the internal thread on the top of advance oil pipe 3, through the screwed connection with advance oil pipe 3 of screwed pipe with casing 4 so can install casing 4 in advance oil pipe 3's top, can prevent through cup jointing the sealing washer at casing 4's screwed pipe surface that petrol from advancing oil pipe 3 and leaking.

When the device is used, the mounting joint 1 is mounted on the oil injection pipeline of an engine by using a tool, a wire connected with the instrument panel is inserted into the port 5, gasoline enters the spiral tube 2 from the mounting joint 1, the tube side is prolonged by the aid of the spiral tube 2, so that the gasoline is delayed to enter the oil inlet tube 3, low temperature is generated after the semiconductor refrigerating sheet 9 is started, the low temperature is continuously conducted to the partition plate 7 through the radiating fin 8, the partition plate 7 exchanges heat with the cooling liquid 10, the cooling liquid 10 keeps low temperature to conduct heat outwards through the box body 6, the spiral tube 2 is cooled conveniently, the gasoline is conveniently cooled, then enters the oil inlet tube 3, fins are arranged on the outer surface of the oil inlet tube 3, the temperature of the gasoline can be further reduced, the gasoline enters the oil inlet tube 3 and then applies pressure to the ceramic sheet 13, the ceramic sheet 13 applies pressure to the pressure chip 12, the pressure chip 12 processes and analyzes the pressure, and the wire connected on the port 5 through the circuit board 11 transmits data signals to the instrument panel.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automobile oil pressure sensor, comprising a mounting joint (1), characterized in that: the utility model discloses a solar cell module, including installation joint (1), spiral pipe (2) are connected to the surface fixed connection of installation joint (1), the one end fixed connection of spiral pipe (2) advances oil pipe (3), the top fixed connection casing (4) of advance oil pipe (3), the last fixed surface connection port (5) of casing (4), the top fixed connection box body (6) of installation joint (1), set up baffle (7) in box body (6), one side fixed connection fin (8) of baffle (7), one side fixed connection semiconductor refrigeration piece (9) of fin (8), set up coolant liquid (10) between baffle (7) and box body (6), the interior fixed connection circuit board (11) of casing (4), pressure chip (12) are connected to the lower surface of circuit board (11), the lower fixed surface connection ceramic chip (13) of pressure chip (12).

2. An automotive oil pressure sensor as claimed in claim 1, wherein: the outer surface of the installation joint (1) is fixedly connected with a hexagonal nut, and two ends of the spiral pipe (2) are respectively connected with the installation joint (1) and the oil inlet pipe (3).

3. An automotive oil pressure sensor as claimed in claim 1, wherein: an interlayer is arranged between the box body (6) and the partition plate (7), and cooling liquid (10) is filled in the interlayer.

4. An automotive oil pressure sensor as claimed in claim 1, wherein: the outer surface of the oil inlet pipe (3) is fixedly connected with a plurality of radiating fins.

5. An automotive oil pressure sensor as claimed in claim 1, wherein: the ceramic plate (13) is fixedly connected to the inner bottom surface of the shell (4).

6. An automotive oil pressure sensor as claimed in claim 1, wherein: the lower surface of the shell (4) is fixedly connected with a screw tube, and the outer surface of the screw tube is connected with a sealing ring.