CN214697986U - Multipurpose machine oil temperature control device - Google Patents
Multipurpose machine oil temperature control device Download PDFInfo
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- CN214697986U CN214697986U CN202022800427.3U CN202022800427U CN214697986U CN 214697986 U CN214697986 U CN 214697986U CN 202022800427 U CN202022800427 U CN 202022800427U CN 214697986 U CN214697986 U CN 214697986U
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Abstract
A multi-purpose engine oil temperature control device comprises a primary cooling water external circulation system, a secondary cooling water external circulation system, an engine oil internal circulation system and a main oil gallery cooling system; the primary cooling water external circulation system comprises an external circulation water outlet pipeline, an external circulation water inlet pipeline and a water channel heat exchanger communicated with the external circulation water outlet pipeline and the external circulation water inlet pipeline; the secondary cooling water external circulation system comprises a three-way proportional valve, an auxiliary heater, a first manual switching ball valve, a second manual switching ball valve, a liquid outlet, an expansion water tank, a circulating water pump and a heater; the engine oil internal circulation system comprises an engine oil internal circulation oil inlet pipeline, an engine oil internal circulation oil outlet pipeline and a first oil way heat exchanger; the main oil gallery cooling system comprises a main oil gallery outlet pipeline and a main oil gallery inlet pipeline, realizes a three-purpose function of one machine, and is not influenced by the temperature, pressure and flow of external circulating water in a use place; and a plurality of pressure adjusting and protecting devices are arranged, so that the temperature control precision is improved.
Description
Technical Field
The utility model relates to a multi-purpose machine oil temperature control device, specifically speaking are multi-purpose machine oil temperature control device.
Background
In the existing automobile engine test, the engine oil temperature control device is single in function, cannot meet the requirement of multiple purposes and has the problem of low precision.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims to provide a multi-purpose machine oil temperature control device that can adapt to oil test experiment.
The utility model adopts the technical proposal that: a multi-purpose engine oil temperature control device comprises a primary cooling water external circulation system, a secondary cooling water external circulation system, an engine oil internal circulation system and a main oil gallery cooling system;
the primary cooling water external circulation system comprises an external circulation water outlet pipeline, an external circulation water inlet pipeline and a water channel heat exchanger communicated with the external circulation water outlet pipeline and the external circulation water inlet pipeline; the tail end of the external circulation water outlet pipeline is provided with an external circulation water outlet, the tail end of the external circulation water inlet pipeline is provided with an external circulation water inlet, and a filter and an external circulation water pressure regulating valve are arranged on the external circulation water inlet pipeline between the external circulation water inlet and the waterway heat exchanger;
the secondary cooling water external circulation system comprises a three-way proportional valve, an auxiliary heater, a second manual switching ball valve, a first manual switching ball valve, an expansion water tank, a circulating water pump and a heater; the three-way proportional valve and the liquid outlet are sequentially arranged on a left side pipeline connected with the water path heat exchanger, and the circulating water pump, the expansion water tank and the first manual switching ball valve are arranged on an upper left side pipeline connected with the water path heat exchanger; the outlets of the waterway heat exchanger and the heater which are arranged in parallel are respectively connected with two inlets of the three-way proportional valve; the heater is positioned on the right side of the circulating water pump, an auxiliary heater is arranged at the outlet of the three-way proportional valve, the outlet of the auxiliary heater is communicated with the first oil-way heat exchanger, and an exhaust valve is arranged at the highest point of the expansion water tank;
the engine oil internal circulation system comprises an engine oil internal circulation oil inlet pipeline, an engine oil internal circulation oil outlet pipeline and a first oil way heat exchanger; a liquid supplementing ball valve, an engine oil internal circulation filter and a circulating gear oil pump are arranged on the engine oil internal circulation oil inlet pipeline; one end of an engine oil internal circulation oil inlet pipeline is communicated with the oil inlet ball valve, and the other end of the engine oil internal circulation oil inlet pipeline is communicated with the oil way heat exchanger; one end of an oil outlet pipeline of the internal circulation of the engine oil is communicated with an oil outlet ball valve, and the other end of the oil outlet pipeline of the internal circulation of the engine oil is communicated with a first oil way heat exchanger;
the main oil gallery cooling system comprises a main oil gallery outlet pipeline and a main oil gallery inlet pipeline, and a second oil gallery heat exchanger is arranged between the main oil gallery outlet pipeline and the main oil gallery inlet pipeline; a flowmeter is also arranged on the inlet pipeline of the main oil duct; and an engine oil filter tool is arranged on an outlet pipeline of the main oil gallery.
Further, the engine oil internal circulation filter is arranged at an inlet of the engine oil temperature control device; and a pressure switch is also arranged on one side of the circulating gear oil pump.
Furthermore, a branch is arranged on a main oil path between the engine oil internal circulation filter and the circulating gear oil pump and communicated to an outlet oil path, and a pressure balance ball valve is arranged on the branch.
Furthermore, an exhaust valve is arranged at the highest position of a secondary cooling water circulating system of the engine oil temperature control device.
Furthermore, an auxiliary heater is arranged on a pipeline between the three-way proportional valve and the liquid discharge port.
Furthermore, the three-way proportional valve is a Samson three-way proportional valve.
The utility model has the advantages and the characteristics that:
1. the three-purpose function of one machine is realized, the temperature of the oil in the oil bottom shell or the temperature of the oil in the main oil duct or the temperature of the circulating water of the engine is controlled, and the temperature control is not influenced by the temperature, the pressure and the flow of the external circulating water of a use place;
2. the temperature control of the engine oil is indirectly controlled through two-stage circulating water, so that a temperature control mode different from the widely-used temperature control mode of controlling the flow of the external circulating water of the heat exchanger is realized, a variable frequency pump is selected for controlling the flow of the circulating water in the second-stage circulating water part, and a three-way proportional valve with higher sensitivity is selected, so that the response time is shortened, and the control precision is improved;
3. a plurality of pressure adjusting and protecting devices are arranged, comprising: the pressure switch is used for monitoring and protecting the conditions of overload, no output and the like of the oil pump, the flow switch is used for monitoring and protecting the conditions of overload, no output and the like of the circulating water pump, and the pressure regulating valve is used for protecting the overhigh pressure of output engine oil so as to be suitable for engines with different powers and be applied more widely;
drawings
FIG. 1 is a schematic view of the overall structure of the preferred embodiment of the present invention;
FIG. 2 is a schematic view illustrating temperature control of oil in the main oil gallery according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of the temperature control of the circulating water of the engine according to the preferred embodiment of the present invention;
in the figure: 1-oil inlet ball valve, 2-oil outlet ball valve, 3-water outlet ball valve, 4-system water inlet ball valve, 5-liquid supplementing ball valve, 6-manual switching ball valve, 8-manual switching ball valve, 9-liquid discharge port, 10-liquid supplementing port, 11-external circulation water outlet, 12-external circulation water inlet, 13-pressure balancing ball valve, 14-circulation gear oil pump, 15-circulation water pump, 16-heater, 17-waterway heat exchanger, 18-filter, 19-external circulation water pressure regulating valve, 20-three-way proportional valve, 21-auxiliary heater, 22-oil passage heat exchanger, 23-electromagnetic flowmeter, 24-two-oil passage heat exchanger, 25-flowmeter, 26-oil internal circulation filter, 27-pressure switch, 28-exhaust valve, 29-oil filter tool, 30-main oil passage outlet pipeline, 31-external circulation water outlet pipeline, 32-an external circulation water inlet pipeline, 33-an engine oil internal circulation oil inlet pipeline, 34-an engine oil internal circulation oil outlet pipeline, 35-an expansion water tank, 36-a main oil gallery inlet pipeline and 37-a drain pipe on an exhaust valve;
in the figure, symbol T represents a temperature sensor, and P represents a pressure sensor;
representing a pressure gauge.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
example 1:
referring to fig. 1, a multi-purpose engine oil temperature control device includes a primary cooling water external circulation system, a secondary cooling water external circulation system, an engine oil internal circulation system, and a main oil gallery cooling system;
the primary cooling water external circulation system comprises an external circulation water outlet pipeline 31, an external circulation water inlet pipeline 32 and a water channel heat exchanger 17 communicated with the external circulation water outlet pipeline and the external circulation water inlet pipeline; the tail end of the external circulation water outlet pipeline 31 is provided with an external circulation water outlet 11, the tail end of the external circulation water inlet pipeline 32 is provided with an external circulation water inlet 12, and a filter 18 and an external circulation water pressure regulating valve 19 are arranged on the external circulation water inlet pipeline between the external circulation water inlet 12 and the waterway heat exchanger 17;
the secondary cooling water external circulation system comprises a three-way proportional valve 20, an auxiliary heater 21, a second manual switching ball valve 8, a first manual switching ball valve 6, an expansion water tank 35, a circulating water pump 15 and a heater 16; the three-way proportional valve 20 and the liquid outlet 9 are sequentially arranged on a left pipeline connected with the water path heat exchanger 17, and the circulating water pump 15, the expansion water tank 35 and the first manual switching ball valve 6 are arranged on an upper left pipeline connected with the water path heat exchanger 17; the outlets of the waterway heat exchanger 17 and the heater 16 which are arranged in parallel are respectively connected with two inlets of a three-way proportional valve 20; the heater 16 is positioned at the right side of the circulating water pump 15, an auxiliary heater 21 is arranged at the outlet of the three-way proportional valve, the outlet of the auxiliary heater 21 is communicated with the first oil-way heat exchanger 22, and an exhaust valve 28 is arranged at the highest point of the expansion water tank 35; for exhausting air from the apparatus; compared with a Siemens proportional valve, the Samson three-way proportional valve has higher sensitivity and precision, so that the control precision of the temperature of the engine oil is further improved.
The engine oil internal circulation system comprises an engine oil internal circulation oil inlet pipeline 33, an engine oil internal circulation oil outlet pipeline 34 and a first oil way heat exchanger 22; the oil internal circulation oil inlet pipeline 33 is provided with a liquid supplementing ball valve 5, an oil internal circulation filter 26 and a circulating gear oil pump 14; one end of an engine oil internal circulation oil inlet pipeline 33 is communicated with the oil inlet ball valve 1, and the other end is communicated with the first oil path heat exchanger 22; one end of an engine oil internal circulation oil outlet pipeline 34 is communicated with the oil outlet ball valve 2, and the other end of the engine oil internal circulation oil outlet pipeline is communicated with the first oil way heat exchanger 22;
the main oil gallery cooling system comprises a main oil gallery outlet pipeline 30 and a main oil gallery inlet pipeline 36, and a second oil gallery heat exchanger 24 is arranged between the main oil gallery outlet pipeline 30 and the main oil gallery inlet pipeline 36; the main oil gallery inlet pipeline 36 is also provided with a flowmeter 25; an engine oil filter tool 29 is arranged on the main oil gallery outlet pipeline 30.
An internal engine oil circulation filter 26 is provided at the inlet of the engine oil temperature control device for filtering the engine oil entering the device to prevent impurities from entering the circulating gear oil pump 14 and causing malfunction; a pressure switch 27 is also installed on one side of the circulating gear oil pump 14 for monitoring the oil inlet pressure and preventing malfunction due to clogging of an oil internal circulation filter.
Example 2:
the difference from the embodiment 1 is that a branch is provided on the main oil path between the oil internal circulation filter 26 and the circulating gear oil pump 14, and the branch is communicated to the outlet oil path, and a pressure balance ball valve 13 is provided on the branch, so as to ensure the pressure of the system to be stable and prevent the pressure failure caused by the blockage of the oil internal circulation filter.
An exhaust valve 28 is installed at the highest position of the secondary cooling water circulation system of the engine oil temperature control device to exhaust the initial system.
A secondary cooling water circulating system of the engine oil temperature control device is provided with a flow switch, so that the fault caused by the abnormal switching of a manual switching ball valve in the secondary cooling water circulating system is avoided.
An auxiliary heater 21 is arranged on a pipeline between the three-way proportional valve 20 and the liquid discharge port 9 and used for temperature compensation, and the control precision is improved.
The water way of the secondary cooling water circulating system can be led out independently through a three-way pipe, ball valves are arranged on the water inlet and the water outlet, and the water inlet and the water outlet can be directly connected with the water inlet and the water outlet of the engine to control the temperature of the water inlet and the water outlet of the engine.
Referring to fig. 2 and 3, the multipurpose oil temperature control device and the control method thereof are described, when the temperature of the oil in the oil pan is controlled, the oil inlet and outlet of the engine oil temperature control device is communicated with the oil pan of the engine, short passages are arranged on the inlet and outlet sides of the oil passage of the internal oil circulation system of the engine, a pressure balance valve 13 is arranged on the short passages, and the inlet oil passage after the short passage is sequentially provided with a circulating gear oil pump 14 and an oil passage heat exchanger 22 with the oil passages arranged in parallel; an outlet temperature sensor T2 and a pressure sensor P2 are arranged at an oil outlet of an oil passage of the engine oil internal circulation system, the first oil passage heat exchanger 22 arranged in parallel is communicated with a second-stage cooling water circulation part of the system, a circulating water pump 15 is arranged on the second-stage cooling water circulation part, and outlets of the waterway heat exchanger 17 and the heater 16 arranged in parallel are respectively connected with two inlets of a three-way proportional valve 20; an auxiliary heater 21 is arranged at the outlet of the three-way proportional valve, the outlet of the auxiliary heater 21 is communicated with the first oil-way heat exchanger 22, and an exhaust valve 28 is arranged at the highest point of the system and used for exhausting air in the equipment;
an engine oil internal circulation filter 26 is arranged at the inlet of the engine oil temperature control device and is used for filtering engine oil entering the device and avoiding impurities from entering the circulating gear oil pump 14 to cause failure; the rear end of an oil pump of the engine oil temperature control device is also provided with a pressure switch 27 which is used for monitoring the pressure of the entering engine oil and preventing faults caused by the blockage of an internal circulation filter of the engine oil. As an optimized scheme, a branch is arranged on a main oil path between the internal engine oil circulation filter and the circulating gear oil pump 14 and communicated to an outlet oil path, and a balance valve 13 is arranged on the branch to ensure the pressure stability of the system and prevent pressure failure caused by blockage of the internal engine oil circulation filter 26.
Temperature control switches are arranged in the heater 16 and the auxiliary heater 21 and are used for monitoring the oil temperature in the heater; and adjusting output signals according to output signals of an outlet temperature sensor T5, wherein the output signals are connected to a signal control end of the three-way proportional valve 20 and used for adjusting the mixing ratio of hot water and cold water corresponding to two inlets of the three-way proportional valve 20 according to the set temperature and the temperature signals fed back by the outlet temperature sensor T5.
The primary cooling water external circulation system is provided with a circulating water pipeline with a water inlet and a water outlet, the circulating water pipeline is communicated with a waterway heat exchanger 17, and the water inlet and the water outlet are respectively provided with a water inlet ball valve 12 and a water outlet ball valve 11; a cooling water pipeline filter 18 and a pressure regulating valve 19 are arranged at a water inlet of the cooling water external circulation system; the simple external circulation water circulation is beneficial to the layout and connection on site.
When the device is used for controlling the temperature of engine oil in a main oil duct of an engine (see figure 2), the manual adjusting ball valves 6 and 8 are closed, at the moment, secondary circulating water does not pass through the first oil-way heat exchanger 22, the ball valves 3 and 4 are communicated with a water inlet and return pipeline of a second oil-way heat exchanger 24 of a main oil duct temperature control module, and a water inlet and return pipeline of the temperature control module is communicated with a water inlet and return pipeline of the main oil duct; the engine main oil gallery is provided with an engine oil circulating pump to ensure the circulation of the engine oil, and the system also adopts a two-stage circulating water cooling mode, adjusts an output signal according to an output signal of an outlet temperature sensor T5, is connected to a signal control end of the three-way proportional valve 20 and is used for adjusting the mixing ratio of hot water and cold water corresponding to two inlets of the three-way proportional valve 20 according to a set temperature and a temperature signal fed back by an outlet temperature sensor T5 to control the temperature of the main oil gallery.
When the device is used for an engine circulating water temperature control system (see figure 3), only the manual switching ball valves 6 and 8 are needed to be closed, and the ball valves 3 and 4 are communicated with a water inlet and a water outlet of an engine; the first oil-way heat exchanger 22 does not work, and at this time, the second-stage circulating water part of the equipment becomes the internal circulating part of the circulating water temperature control system of the engine, and the output signal is adjusted according to the output signal of the outlet temperature sensor T5, and is connected to the signal control end of the three-way proportional valve 20 and used for adjusting the mixing ratio of hot water and cold water corresponding to the two inlets of the three-way proportional valve 20 according to the set temperature and the temperature signal fed back by the outlet temperature sensor T5. To directly control the temperature of the water in and out of the engine. When the temperature of the outlet water of the engine is lower than the set temperature during the heat running of the engine, the heater is fully opened, and the cold end of the proportional valve is fully closed, so that the heat running time of the engine is shortened; in the running process of the engine, the liquid level of the expansion water tank of the circulating water part of the equipment needs to be ensured to be higher than the low liquid level, and if the liquid level is insufficient, the circulating water needs to be added into the equipment. When the engine is in initial operation, the ball valve 10 on the expansion water tank can be opened to perform quick exhaust of the equipment.
The scheme can be widely applied to temperature control of the oil pan and the main oil duct engine oil in the engine test, and is well applied in practice.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description of the above embodiments and the description is only for the purpose of illustrating the structural relationships and principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, and that these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A multi-purpose machine oil temperature control device is characterized in that: the engine oil cooling system comprises a primary cooling water external circulation system, a secondary cooling water external circulation system, an engine oil internal circulation system and a main oil gallery cooling system;
the primary cooling water external circulation system comprises an external circulation water outlet pipeline (31), an external circulation water inlet pipeline (32) and a water channel heat exchanger (17) communicated with the external circulation water outlet pipeline and the external circulation water inlet pipeline; an external circulation water outlet (11) is arranged at the tail end of the external circulation water outlet pipeline (31), an external circulation water inlet (12) is arranged at the tail end of the external circulation water inlet pipeline (32), and a filter (18) and an external circulation water pressure regulating valve (19) are arranged on the external circulation water inlet pipeline between the external circulation water inlet (12) and the waterway heat exchanger (17);
the secondary cooling water external circulation system comprises a three-way proportional valve (20), an auxiliary heater (21), a second manual switching ball valve (8), a first manual switching ball valve (6), an expansion water tank (35), a circulating water pump (15) and a heater (16); the three-way proportional valve (20) and the liquid outlet (9) are sequentially arranged on a left pipeline connected with the water channel heat exchanger (17), and the circulating water pump (15), the expansion water tank (35) and the first manual switching ball valve (6) are arranged on an upper left pipeline connected with the water channel heat exchanger (17); the outlets of the waterway heat exchanger (17) and the heater (16) which are arranged in parallel are respectively connected with two inlets of a three-way proportional valve (20); the heater (16) is positioned on the right side of the circulating water pump (15), an auxiliary heater (21) is arranged at the outlet of the three-way proportional valve, the outlet of the auxiliary heater (21) is communicated with the first oil-way heat exchanger (22), and an exhaust valve (28) is arranged at the highest point of the expansion water tank (35);
the engine oil internal circulation system comprises an engine oil internal circulation oil inlet pipeline (33), an engine oil internal circulation oil outlet pipeline (34) and a first oil way heat exchanger (22); a liquid supplementing ball valve (5), an engine oil internal circulation filter (26) and a circulating gear oil pump (14) are arranged on the engine oil internal circulation oil inlet pipeline (33); one end of an engine oil internal circulation oil inlet pipeline (33) is communicated with the oil inlet ball valve (1), and the other end of the engine oil internal circulation oil inlet pipeline is communicated with the first oil way heat exchanger (22); one end of an engine oil internal circulation oil outlet pipeline (34) is communicated with the oil outlet ball valve (2), and the other end of the engine oil internal circulation oil outlet pipeline is communicated with a first oil way heat exchanger (22);
the main oil gallery cooling system comprises a main oil gallery outlet pipeline (30) and a main oil gallery inlet pipeline (36), and a second oil gallery heat exchanger (24) is arranged between the main oil gallery outlet pipeline (30) and the main oil gallery inlet pipeline (36); a flowmeter (25) is also arranged on the main oil gallery inlet pipeline (36); an engine oil filter tool (29) is arranged on the main oil gallery outlet pipeline (30).
2. The multipurpose oil temperature control device according to claim 1, characterized in that: the engine oil internal circulation filter (26) is arranged at an inlet of the engine oil temperature control device; and a pressure switch (27) is also arranged on one side of the circulating gear oil pump (14).
3. The multipurpose oil temperature control device according to claim 1, characterized in that: and a branch is arranged on a main oil path between the engine oil internal circulation filter (26) and the circulating gear oil pump (14) and communicated to an outlet oil path, and a pressure balance ball valve (13) is arranged on the branch.
4. The multipurpose oil temperature control device according to claim 1, characterized in that: an exhaust valve (28) is arranged at the highest position of a secondary cooling water circulating system of the engine oil temperature control device.
5. The multipurpose oil temperature control device according to claim 1, characterized in that: an auxiliary heater (21) is arranged on a pipeline between the three-way proportional valve (20) and the liquid discharge port (9).
6. The multipurpose oil temperature control device according to claim 1, characterized in that: the three-way proportional valve (20) is a Samson three-way proportional valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022800427.3U CN214697986U (en) | 2020-11-28 | 2020-11-28 | Multipurpose machine oil temperature control device |
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| CN202022800427.3U CN214697986U (en) | 2020-11-28 | 2020-11-28 | Multipurpose machine oil temperature control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412573A (en) * | 2020-11-28 | 2021-02-26 | 武汉东测科技有限责任公司 | Multipurpose machine oil temperature control device and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412573A (en) * | 2020-11-28 | 2021-02-26 | 武汉东测科技有限责任公司 | Multipurpose machine oil temperature control device and control method thereof |
| CN112412573B (en) * | 2020-11-28 | 2024-07-30 | 武汉东测科技有限责任公司 | Multipurpose engine oil temperature control device and control method thereof |
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