External engine oil cooling control device

Abstract

The utility model discloses an external engine oil cooling control device which comprises an engine (1), a switching device for draining engine oil is arranged on the engine (1), and the switching device is connected with a cooling device. The switching device is used for draining engine oil, the external cooling device is used for cooling the engine oil, installation is convenient and fast, the cooling effect is better, the switching device comprises an oil return pipe (5) and an oil outlet pipe (7) which are arranged on an engine (1), and the cooling device comprises an engine oil cooler (11) connected with the oil return pipe (5) and the oil outlet pipe (7). The engine (1) is provided with an oil filter (9) adapter (2); engine oil in the engine (1) is led out through the oil outlet pipe (7) and flows into the engine oil cooler (11) to be cooled, and finally the engine oil is sent back into the engine (1) through the oil return pipe (5), and cooling of the engine oil is completed through an external cooling device.

Description

Technical Field

[0001] The utility model belongs to the technical field of engines. Specifically, the utility model relates to an external engine oil cooling control device. Background Art

[0002] With the development of vehicle internal combustion engine technology, engine bench tests are an indispensable process in the product development and quality control processes.

[0003] In a published specification with a patent number of 201510547277.0 and a publication date of May 11, 2018, an engine oil cooling device and a cooling control method are disclosed. The cooling device includes a cooling water tank, an engine oil pan is placed in the cooling water tank, a lower line liquid level sensor and an upper line liquid level sensor are provided at the upper part of the cooling water tank; a temperature sensor is provided in the engine oil pan; a heat exchanger is provided at the lower part of the cooling water tank, the heat exchanger is connected with a cooling water inlet pipe and an outlet pipe, and an inlet control valve is provided on the cooling water inlet pipe; the cooling water tank is connected with a replenishing water pipe with a replenishing control valve; it also includes a control component respectively connected with the lower line liquid level sensor, the upper line liquid level sensor, the temperature sensor, the inlet control valve and the replenishing control valve; the engine oil cooling control method uses the above engine oil cooling device to realize the control of the engine oil temperature; the invention not only has a simple structure, low cost, but also has a good cooling effect, can always keep the engine oil at a set value, so that the engine runs at the rated power point, and improves the performance of the engine.

[0004] During the current test process, the cooling of the engine oil depends on the coolant of the engine itself to control the oil temperature, or an external set of large-volume and expensive oil constant temperature equipment is used for temperature control. However, in some test conditions, it is necessary to test when the engine coolant is at a high temperature and the oil temperature is lower than the water temperature, or some test laboratories are limited by insufficient test hardware resources, tight test laboratory space, etc., and the test cannot be carried out smoothly. Content of the Utility Model

[0005] The utility model aims to provide an external engine oil cooling control device that is convenient for cooling and inexpensive.

[0006] To achieve the above object, the technical solution adopted by the utility model is: an external engine oil cooling control device, including an engine, a transfer device for draining engine oil is provided on the engine, and the transfer device is connected with a cooling device.

[0007] The transfer device includes an oil return pipe and an oil outlet pipe provided on the engine, and the cooling device includes an engine oil cooler connected to the oil return pipe and the oil outlet pipe.

[0008] An oil filter adapter plate is provided on the engine, and the oil outlet pipe and the oil return pipe are arranged on the oil filter adapter plate.

[0009] An anti - detachment snap ring and an oil return rotary bolt connected to the oil return pipe are provided on the oil filter adapter plate, and an oil outlet joint connecting the oil outlet pipe and the engine is provided on the oil filter adapter plate.

[0010] A base is provided on the oil cooler, and the oil return pipe and the oil outlet pipe are located inside the base.

[0011] A water return pipe and a water inlet pipe are provided on the side of the oil cooler.

[0012] An oil return temperature sensor connected to the oil return pipe is provided inside the base, an electronically controlled proportional valve is provided on the water inlet pipe, and the electronically controlled proportional valve and the oil return temperature sensor are signal - connected to a temperature controller.

[0013] An oil filter is provided on the oil cooler, and a hollow bolt is provided between the oil cooler and the oil filter.

[0014] The technical effect of the present utility model is as follows: Different from the control methods of existing special equipment, the cost of this device is much lower than that of special oil temperature control equipment, and it is small in size, with extremely low space requirements when arranged in a laboratory; moreover, it can achieve low oil temperature control that cannot be achieved by the mode of relying on the engine's own coolant for temperature control. Brief Description of the Drawings

[0015] This specification includes the following drawings, and the shown contents are respectively:

[0016] Figure 1 It is a schematic structural diagram of an external oil cooler control device of the present utility model.

[0017] The marks in the figure are: 1, engine; 2, oil filter adapter plate; 3, anti - detachment snap ring; 4, oil return rotary bolt; 5, oil return pipe; 6, oil outlet joint; 7, oil outlet pipe; 8, oil return temperature sensor; 9, oil filter; 10, hollow bolt; 11, oil cooler; 12, water return pipe; 13, base; 14, electronically controlled proportional valve; 15, water inlet pipe; 16, temperature controller. Detailed Embodiments

[0018] The following is a more detailed description of the specific embodiments of the present utility model by referring to the drawings through the description of the embodiments, aiming to help those skilled in the art have a more complete, accurate and in - depth understanding of the inventive concept and technical solution of the present utility model, and to facilitate its implementation.

[0019] Please refer to Figure 1, An external engine oil cooling control device, including an engine 1, a transfer device for draining engine oil is provided on the engine 1, and the transfer device is connected to a cooling device; the transfer device is used to drain engine oil, and the external cooling device is used to cool the engine oil, which is convenient to install and has better cooling effect.

[0020] The transfer device includes an oil return pipe 5 and an oil outlet pipe 7 provided on the engine 1, and the cooling device includes an engine oil cooler 11 connected to the oil return pipe 5 and the oil outlet pipe 7; the engine oil in the engine 1 is externally drained into the engine oil cooler 11 through the oil outlet pipe 7 for cooling, and finally sent back into the engine 1 through the oil return pipe 5, and the external cooling device is used to complete the cooling of the engine oil.

[0021] An oil filter 9 adapter plate 2 is provided on the engine 1, and the oil outlet pipe 7 and the oil return pipe 5 are arranged on the oil filter 9 adapter plate 2; the oil filter 9 adapter plate 2 is used to fix the oil outlet pipe 7 and the oil return pipe 5.

[0022] An anti-disengagement snap ring 3 connected to the oil return pipe 5 and an oil return rotary bolt 4 are provided on the oil filter 9 adapter plate 2, and an oil outlet joint 6 connecting the oil outlet pipe 7 and the engine 1 is provided on the oil filter 9 adapter plate 2; the engine oil in the engine 1 flows into the oil outlet pipe 7 through the oil outlet joint 6, and the oil outlet joint 6 is used to fix the oil outlet pipe 7, and the anti-disengagement snap ring 3 and the oil return rotary bolt 4 can fix the oil return pipe 5.

[0023] A base 13 is provided on the engine oil cooler 11, and the oil return pipe 5 and the oil outlet pipe 7 are located inside the base 13;

[0024] A water return pipe 12 and a water inlet pipe 15 are provided on the side of the engine oil cooler 11; the water inlet pipe 15 and the water return pipe 12 are used to supply cooling water to the engine oil cooler 11 and discharge the cooling water.

[0025] An oil return temperature sensor 8 connected to the oil return pipe 5 is provided inside the base 13, an electro-hydraulic proportional valve 14 is provided on the water inlet pipe 15, and the electro-hydraulic proportional valve 14 and the oil return temperature sensor 8 are connected to a temperature controller 16 through signals; after the oil return temperature sensor 8 installed on the base 13 collects the oil return temperature, it transmits the signal to the temperature controller 16. After reaching the set target temperature, the instrument outputs a control signal to control the electro-hydraulic proportional valve 14 to adjust the water volume entering the engine oil cooler 11, realizing the cooling control of the temperature.

[0026] An oil filter 9 is provided on the engine oil cooler 11, and a hollow bolt 10 is provided between the engine oil cooler 11 and the oil filter 9; the oil is filtered through the oil filter 9 to remove impurities in the oil.

[0027] Working principle: when the engine 1 is in a stationary state, remove the oil filter 9 on the original body of the engine 1, and install the adapter at the oil port of the engine 1 and tighten it, then connect the ends of the oil inlet pipe and the oil return pipe 5 to the two interfaces on the oil filter 9 adapter plate 2 and tighten them, then connect the oil inlet pipe and the oil return pipe 5 to the base 13 and tighten them; connect the water inlet pipe 15 and the water return pipe 12 to the oil cooler 11 and tighten them, and connect the electric control proportional valve 14 and the water inlet valve to the water inlet pipe 15 and tighten them; connect the signal end of the oil return temperature sensor 8 on the base 13 to the temperature controller 16 to realize real-time temperature collection, and the temperature controller 16 is connected to the electric control proportional valve 14 and realizes power supply; after the equipment is installed, set the target control temperature on the temperature controller 16 and enable the PID control mode;

[0028] After the equipment is prepared and checked, the engine 1 can be started for testing. The engine enters the hot engine condition. The engine 1 is running, and the oil is output to the main oil channel in the engine 1 body through the oil pump. The oil flow path is as follows: engine 1 oil outlet → oil filter 9 adapter plate 2 → oil outlet pipe 7 → base 13 → oil cooler 11 → oil filter 9 → hollow bolt 10 → base 13 → oil return pipe 5 → engine 1 oil return port;

[0029] After the return oil temperature sensor 8 installed on the base 13 collects the return oil temperature, it transmits the signal to the temperature controller 16. After reaching the set target temperature, the instrument outputs a control signal to control the electric proportional valve 14 to adjust the amount of water entering the oil cooler 11 to achieve temperature cooling control; observe the fluctuation of the oil temperature, and adapt the instrument PID parameters until the control response and temperature control accuracy of the oil temperature meet the test requirements.

[0030] The technical effect of the utility model is as follows: unlike the existing special equipment control method, the cost of the device is much lower than that of special oil temperature control equipment, and it is small in size and has extremely low space requirements when arranged in the laboratory; and it can achieve low oil temperature control that cannot be achieved by relying on the engine 1's own coolant to control the temperature.

[0031] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An external oil cooling control device, comprising an engine (1), characterized in that: The engine (1) is provided with a switching device for draining engine oil, and the switching device is connected to a cooling device.

2. The external oil cooling control device according to claim 1, characterized in that: The adapter device comprises an oil return pipe (5) and an oil outlet pipe (7) arranged on the engine (1), and the cooling device comprises an oil cooler (11) connected to the oil return pipe (5) and the oil outlet pipe (7).

3. The external oil cooling control device according to claim 2, characterized in that: The engine (1) is provided with an oil filter (9) adapter plate (2), and the oil outlet pipe (7) and the oil return pipe (5) are arranged on the oil filter (9) adapter plate (2).

4. The external oil cooling control device according to claim 3, characterized in that: The oil filter (9) adapter plate (2) is provided with an anti-dropping retaining spring (3) and an oil return rotating bolt (4) connected to the oil return pipe (5), and the oil filter (9) adapter plate (2) is provided with an oil outlet joint (6) connected to the oil outlet pipe (7) and the engine (1).

5. The external oil cooling control device according to claim 2, characterized in that: The oil cooler (11) is provided with a base (13), and the oil return pipe (5) and the oil outlet pipe (7) are located inside the base (13).

6. The external oil cooling control device according to claim 5, characterized in that: A water return pipe (12) and a water inlet pipe (15) are provided on the side of the oil cooler (11).

7. The external oil cooling control device according to claim 6, characterized in that: An oil return temperature sensor (8) connected to the oil return pipe (5) is arranged in the base (13); an electric control proportional valve (14) is arranged on the water inlet pipe (15); and a temperature controller (16) is connected to the electric control proportional valve (14) and the oil return temperature sensor (8) via a signal.

8. The external oil cooling control device according to claim 2, characterized in that: An oil filter (9) is provided on the oil cooler (11), and a hollow bolt (10) is provided between the oil cooler (11) and the oil filter (9).

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