CN112447084A - Real standard platform of engine thermal management system - Google Patents

Real standard platform of engine thermal management system Download PDF

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Publication number
CN112447084A
CN112447084A CN201910798977.5A CN201910798977A CN112447084A CN 112447084 A CN112447084 A CN 112447084A CN 201910798977 A CN201910798977 A CN 201910798977A CN 112447084 A CN112447084 A CN 112447084A
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schematic diagram
cooling liquid
main control
water pump
ball valve
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栾琪文
林忠玲
李海华
杨华
孙新宇
张文
刘龙飞
李超
李一凡
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Yantai Vocational College
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Yantai Vocational College
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Priority to CN201910798977.5A priority Critical patent/CN112447084A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/188Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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  • Power Engineering (AREA)
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  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention provides a demonstration device for an engine thermal management system, and belongs to the technical field of automobile professional teaching equipment. The device comprises a rack, a power control button, a power converter, a main control panel, a cooling liquid circulation schematic diagram, an electric appliance control schematic diagram, and an original factory anatomical object, a water temperature simulation knob and an electronic water pump simulation knob which are arranged at corresponding positions on the electric appliance control schematic diagram. The rack is an installation foundation of the device; the power control button, the power converter and the main control panel are arranged on the bottom platform below the rack; the cooling liquid circulation schematic diagram, the electric appliance control schematic diagram, the water temperature simulation knob and the electronic water pump simulation knob are arranged on the panel. The device can show the structure of the engine heat management system, can demonstrate the cyclic variation of a water channel and the flow of a water pump, and can demonstrate the electric signal flow of a control system, thereby truly presenting the working process of the engine heat management system and facilitating the observation and study of students. The whole device has compact structure, reliable work and convenient installation and maintenance.

Description

Real standard platform of engine thermal management system
Technical Field
The invention provides a practical training platform for an engine thermal management system, belongs to the technical field of automobile professional teaching equipment, and can be used for practical training teaching of the engine thermal management system in colleges and universities and automobile manufacturers so as to achieve the purposes of intuition, visualization, convenience and improvement of experimental teaching effects.
Background
With the development of automobile technology, engine cooling systems are more advanced, and automobile manufacturers develop engine thermal management systems, and with the system, the engine can work at the optimal temperature, so that mechanical wear of the engine can be greatly reduced, the service life of the engine is prolonged, and the aim of saving fuel oil can be fulfilled. One of key technologies developed by an engine thermal management system is a matching technology of the thermal management system and the engine operation and a selection problem of a system optimization control strategy, and key components are an electronic water pump, an electronic thermostat, a sensor, an ECU and the like. The structure of these components is different from that of a general cooling system. There are a number of car specialty teaching devices that can show engine cooling system at present, for example: (1) a1: 1 engine model was made of lightweight materials, with the engine sectioned and some demonstration functions designed. By adopting the method, a large amount of cost is needed to manufacture the engine model, and the engine structure is complex, so that the difficulty in processing the model is high. (2) The cylinder body of the engine is cut open by adopting the old engine. The device does not need to manufacture an engine model, reduces the cost, but has a single function. Although the above devices solve some problems in teaching of the cooling system of the engine of the vehicle, no effective teaching device for the professional automobile has been presented yet for the new structure and working principle of the above thermal management system of the engine. In view of the above, there is a need for improvement.
Disclosure of Invention
The invention aims to solve the defects of high cost, limited functions, no latest technology display and the like of teaching equipment of an automobile engine cooling system, and further provides an engine thermal management system demonstration device with advanced technology, simple operation, visual image and safe performance.
The invention is realized by the following technical scheme:
the utility model provides a real standard platform of engine thermal management system which characterized in that, its structure includes: the system comprises a rack 1, a power input interface 2, a power converter 3, a main control board 4, a cooling liquid circulation schematic diagram 5, an electric appliance control schematic diagram 6, a temperature mode switch 7 and an electronic water pump simulation knob 8.
The rack 1 comprises a bottom table 1-1, a table top 1-2, a panel 1-3 and four universal casters 1-4, and the function of the rack is as an installation foundation for other parts.
And the power input interface 2 is arranged below the aluminum alloy side plate of the rack 1 and is used for controlling the system to be powered on or powered off.
The power converter 3, which is bolted to the base 1-1, functions to convert AC220V to DC 12V.
The main control board 4 is mounted on the base platform 1-1 through bolts and is used for receiving signals of the temperature mode switch 7 and the electronic water pump simulation knob 8, controlling the circulation states of a cooling liquid circulation schematic diagram 5 and an electric appliance control schematic diagram 6 and demonstrating water flows and intelligent control processes at different cooling liquid temperatures.
The cooling liquid circulation schematic diagram 5 (figure 3, showing a water path) is displayed on the light-transmitting acrylic panels 1-3 through an inkjet technology, a demonstration lamp strip is arranged in the cooling liquid circulation schematic diagram 5, and original factory anatomical objects are arranged at corresponding positions of the surface intersection of the cooling liquid circulation schematic diagram 5 and the electrical appliance control schematic diagram 6 and comprise an electronic water pump, a cylinder body control ball valve (BRV), a main control ball valve (MRV), a cooling liquid temperature sensor, an ECU and the like. The function of the cooling device is to receive the electric signal of the main control board 4 and demonstrate various circulating flow paths of the cooling liquid.
The electrical appliance control schematic diagram 6 (fig. 4, showing a control circuit) is displayed on the light-transmitting acrylic panels 1-3 through an inkjet technology, a demonstration lamp strip is arranged in the electrical appliance control schematic diagram 6, and original factory anatomical objects are arranged at corresponding positions of the surface intersection of the electrical appliance control schematic diagram 6 and the cooling liquid circulation schematic diagram 5, and the electrical appliance control schematic diagram comprises an electronic water pump, a cylinder body control ball valve (BRV), a main control ball valve (MRV), a cooling liquid temperature sensor, an ECU and the like. The function of the intelligent power supply is to receive the electric signal of the main control board 4 and demonstrate the power flow of the control circuit.
The temperature mode switch 7 is mounted on the panels 1-3 through bolts, and is used for changing the size of the resistor by rotating the switch, simulating the temperature of the cooling liquid and sending a signal to the main control panel 4, so that the demonstration states of a cooling liquid circulation principle diagram 5 and an electric appliance control principle diagram 6 are synchronously changed.
The electronic water pump simulation knob 8 is mounted on the panels 1-3 through bolts and is used for changing the size of the resistor by rotating the knob, simulating the temperature of the cooling liquid and sending a signal to the main control panel 4, so that the demonstration states of the demonstration lamp belts below the cooling liquid circulation principle diagram 5 and the electrical appliance control principle diagram 6 are synchronously changed.
A practical training platform of an engine thermal management system is characterized in that a cooling liquid circulation schematic diagram 5 (representing a water path) and an electric appliance control schematic diagram 6 (representing a control circuit) are drawn on a panel, original factory anatomical objects (an electronic water pump, a cylinder body control ball valve (BRV), a main control ball valve (MRV), a cooling liquid temperature sensor and an ECU) are arranged according to the schematic diagrams, and the intellectualization of the engine thermal management system is shown by drawing in a cross structure of the water path and the control circuit; through simulation coolant temperature signal, the cyclic change in light demonstration water route, the flow size of water pump, the condition of opening of cylinder body control ball valve (BRV) and main control ball valve (MRV), utilize the light band to demonstrate the electric signal flow process of control system simultaneously, reappear the technical characterstic of the intelligent thermal management system of engine, make things convenient for the student to observe the study. The whole device has compact structure, reliable work and convenient installation and maintenance. The invention effectively solves the defects and shortcomings of the prior art, and further provides the demonstration device of the engine thermal management system, which has advanced technology, simple and convenient operation, intuition and image and safe performance.
Drawings
FIG. 1: is a schematic structural perspective view of the present embodiment;
FIG. 2: is a control schematic diagram of the embodiment;
FIG. 3: fig. 5 is a schematic diagram of the cooling liquid circulation of the present embodiment;
FIG. 4 is a schematic diagram of the control of the electric appliance of the present embodiment, FIG. 6;
FIG. 5: a coolant minor loop diagram according to the present example;
FIG. 6: a coolant major loop diagram according to the present embodiment;
FIG. 7: a coolant warm air circulation route map of the present embodiment;
FIG. 8: a coolant turbocharger circulation route map of the present embodiment;
FIG. 9: a cooling circuit diagram of the cooling fluid oil of the present embodiment;
FIG. 10: a coolant oil temperature-increasing circulation route diagram of the embodiment;
FIG. 11: is a schematic diagram of a main control ball valve (MRV) of the embodiment;
FIG. 12: is a schematic diagram of a cylinder control ball valve (BRV) of the embodiment;
in the figure, the device comprises a rack 1, a rack 2, a power input interface 3, a power converter 4, a main control board 5, a cooling liquid circulation schematic diagram 6, an electric appliance control schematic diagram 7, a temperature mode change-over switch 8, an electronic water pump simulation knob 1-1, a bottom platform 1-2, a table top 1-3, a panel 1-4 and a universal caster.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings for further explanation of the constitution of the present invention.
The practical training platform of the engine thermal management system in the embodiment is displayed by adopting a working principle diagram and a physical object of a general ATM thermal management system and is used for practical teaching of the automobile engine thermal management system. The device comprises a rack 1, a power control button 2, a power converter 3, a main control panel 4, a cooling liquid circulation schematic diagram 5 of a built-in lamp strip, an electrical appliance control schematic diagram 6 of the built-in lamp strip, a temperature mode switch 7 and an electronic water pump simulation knob 8. The rack 1 is an installation foundation of the device; the power control button 2, the power converter 3 and the main control panel 4 are arranged on the bottom platform 1-1 below the rack 1; a cooling liquid circulation schematic diagram 5, an electric appliance control schematic diagram 6, a temperature mode switch 7 and an electronic water pump simulation knob 8 are arranged on the panels 1-3. The device can show the structural composition of the engine heat management system, can demonstrate the circulation change of a water channel, the flow of a water pump, the opening condition of a cylinder control ball valve (BRV) and a main control ball valve (MRV), and can demonstrate the electric signal flowing process of the control system by utilizing a light band, thereby truly presenting the working process of the engine heat management system and facilitating the observation and learning of students. The whole device has compact structure, reliable work and convenient installation and maintenance.
The rack 1 is an installation foundation of other parts and is spliced by adopting an aluminum profile structure and comprises a bottom platform 1-1, a desktop 1-2, a panel 1-3 and four nylon universal casters 1-4.
The base table 1-1 is made of stainless steel materials, is connected with the rack 1 through special screws, and is provided with a power converter 3 and a main control board 4;
the tabletop 1-2 is made of solid wood materials and is connected with the rack 1 through special screws;
the panels 1-3 are embedded in the grooves of the aluminum alloy rack 1. The panel 1-3 is a double-layer structure, one layer of the surface adopts a light-transmitting acrylic material, and a cooling liquid circulation schematic diagram 5 and an electric appliance control schematic diagram 6 are sprayed and painted on the panel; the light-tight acrylic material is adopted as a layer of the back plate, the lamp groove is processed on the back plate according to a schematic diagram structure, and the lamp strip is embedded in the groove strip (the surface of the panel cannot see the lamp strip, and the lamp strip can transmit light only when the panel emits light). On which a coolant temperature simulation knob 7 and an electronic water pump simulation knob 8 are mounted with bolts.
The four universal casters 1-4 are connected with the supporting legs of the table top 1-2 through bolts, and the four universal casters 1-4 can move at any angle and have a locking function.
The power input interface 2 is arranged below the aluminum alloy side plate of the rack 1 and comprises a power interface 2-1 and a button 2-2, wherein the power interface 2-1 can be connected with a power supply through a connecting wire, and the button 2-2 is a power main switch and is used for starting and closing the equipment.
The power converter 3, which is bolted to the base 1-1, functions to convert AC220V to DC 12V. The direct current 12V power is used for supplying power to the main control board 4, the temperature mode switch 7 and the electronic water pump simulation knob 8.
The main control board 4 is internally provided with a single chip microcomputer and a control circuit, is arranged on the base platform 1-1 by bolts, and is used for receiving signals of a temperature mode switch 7 and an electronic water pump simulation knob 8, controlling the circulation states of a cooling liquid circulation principle diagram 5 and an electric appliance control principle diagram 6 and demonstrating the flow direction and the flow rate of cooling liquid at different temperatures and the intelligent control process of the heat management system.
The cooling liquid circulation principle diagram 5 (figure 3, showing a water path) is displayed on the light-transmitting acrylic panels 1-3 through the spray painting technology, the lower layer is made of light-proof acrylic materials, the lamp groove is machined on the lower layer according to the cooling liquid circulation principle diagram structure, and the lamp strip is embedded in the groove strip. The cooling liquid circulation schematic diagram 5 and the electrical apparatus control schematic diagram 6 are arranged at the corresponding positions of the surface intersection of the original factory anatomical real object (the real object of the general ATM thermal management system is adopted in the embodiment), and the cooling liquid circulation schematic diagram comprises an electronic water pump, a cooling liquid temperature sensor, an ECU, a cylinder body control ball valve (BRV) and a main control ball valve (MRV), and is used for receiving an electric signal of a main control panel 4 and demonstrating the following three conditions: (1) demonstrating the flow of the water pump, including 3 conditions of no flow, small flow and large flow; (2) demonstrating the opening conditions of a cylinder body control ball valve (BRV) and a main control ball valve (MRV); (3) 6 circulation paths of the demonstrating cooling liquid comprise large circulation, small circulation, warm air, supercharger cooling, engine oil cooling and engine oil temperature rising, and specific flowing conditions are shown in the control principle part.
The electrical appliance control schematic diagram 6 (figure 4, showing a control circuit) is displayed on the light-transmitting acrylic panels 1-3 through a spray painting technology, the lower layer is made of light-proof acrylic materials, the lamp grooves are machined on the lower layer according to a cooling liquid circulation schematic diagram structure, and the lamp strips are embedded in the groove strips. The electric appliance control schematic diagram 6 and the cooling liquid circulation schematic diagram 5 are arranged at corresponding positions of the surface intersection, and the original factory anatomical real object comprises an electronic water pump, a cylinder control ball valve (BRV), a main control ball valve (MRV), a cooling liquid temperature sensor, an ECU and the like. The function of the intelligent temperature control system is to receive the electric signals of the main control board 4, demonstrate the control process under different temperature changes, represent the power flow of a control circuit, and see the following control principle part for specific flow conditions.
The temperature mode switch 7 is externally threaded, and threaded holes are formed in the panels 1-3 and are connected and installed on the panels 1-3 through threads; the temperature mode switch 7 is connected with the power converter 3 and the main control panel 4 through leads; by rotating the temperature mode selector switch 7, the temperature signal of the engine thermal management system is simulated, the signal is sent to the main control board 4, and the demonstration states of a cooling liquid circulation schematic diagram 5 of the built-in lamp strip and an electrical appliance control schematic diagram 6 of the built-in lamp strip are changed. The temperature mode switch 7 has six modes, which are respectively large circulation, small circulation, warm air, supercharger cooling, engine oil cooling and engine oil heating. When the knob of the mode switch 7 is rotated to the positions of large circulation, small circulation, warm air, supercharger cooling, oil cooling and oil warming, respectively, the principle of cooling liquid circulation of the built-in light strip in fig. 5 and the principle of electric appliance control of the built-in light strip in fig. 6 illustrate six different states as shown in fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, respectively, and the specific routes thereof refer to the following discussion.
The electronic water pump simulation knob 8 is externally threaded, and the panels 1-3 are provided with threaded holes and are connected and installed on the panels 1-3 through threads; the electronic water pump simulation knob 8 is connected with the power converter 3 and the main control panel 4 through leads; through rotatory electronic water pump simulation knob 8, the coolant temperature signal of engine thermal management system is simulated to send the signal to main control panel 4, thereby change the demonstration state in coolant liquid circulation schematic diagram 5 and the electric appliance control schematic diagram 6 below demonstration lamp area in step. The electronic water pump simulation knob 8 has three modes, namely no flow, small flow and large flow. When the knob of the electronic water pump simulation knob 8 is in no-flow, small-flow and large-flow positions respectively, a cooling liquid circulation schematic diagram 5 of the built-in lamp strip and an electrical appliance control schematic diagram 6 of the built-in lamp strip demonstrate three different states of no-flow, low-flow and high-flow respectively.
The practical training platform of the engine thermal management system is displayed by adopting a ball valve of a general ATM thermal management system, and the structure and the effect of the ball valve are as follows:
(1) main control ball valve (MRV), as shown in fig. 11: is a six-way valve which comprises a water inlet (I), a small circulation water outlet (II), a large circulation water outlet (III), a high temperature water Inlet (IV), a low temperature water inlet (V), and an oil cooler water outlet (VI), as shown in the figure. The function is as follows: 1) controlling the size circulation trend of the cooling water; 2) controlling oil cooling and temperature rising of an engine and a gearbox;
(2) cylinder controlled ball valve (BRV), as shown in fig. 12: the two-way valve comprises a water inlet and a water outlet and is used for controlling the on-off and the flow of cooling water passing through the cylinder body.
The practical training platform of the engine thermal management system is shown in fig. 2, and the control principle is as follows:
(1) inputting the electricity of AC220V/10A to the power converter 3 through the power input interface 2;
(2) the power converter 3 converts AC220V into DC12V, and supplies the DC12 to the main control board 4, the temperature mode switch 7 and the electronic water pump simulation knob 8;
(3) the main control board 4 receives the signal of the temperature mode switch 7 to control the demonstration states of a cooling liquid circulation schematic diagram 5 of the built-in lamp strip and an electrical appliance control schematic diagram 6 of the built-in lamp strip.
1) When the temperature mode switch 7 is rotated to a small circulation position, the lamp strip in the electrical appliance control schematic diagram 6 demonstrates the flow of current, which mainly embodies the opening condition of the control ball valve: the valves at the water inlet (I) and the small circulation water outlet (II) of the main control ball valve (MRV) are both opened, and the cylinder body controls the opening of the ball valve (BRV). Cooling fluid circulation principle figure 5 the lamp strip demonstrates a small circulation flow path, as shown in figure 5: the cooling water enters the water jackets of the integrated exhaust pipe, the cylinder cover and the cylinder body through the electronic water pump, the cooling water flowing out of the water jacket of the cylinder body passes through the cylinder body control ball valve (BRV), then enters the main control ball valve (MRV) from a valve at a water inlet (I) together with the cooling water flowing out of the integrated exhaust pipe and the cylinder cover, flows out of a small circulation water outlet (MRV) of the main control ball valve (MRV), and directly returns to the electronic water pump for circulation flow. Because the cooling water does not dissipate heat through the radiator, the temperature of the engine coolant can be quickly increased.
2) When the temperature mode selector switch 7 is rotated to the large circulation position, the lamp strip in the electrical appliance control schematic diagram 6 demonstrates the flow of current, which mainly embodies the opening condition of the control ball valve: the valves at the water inlet (I) and the large circulation water outlet (III) of the main control ball valve (MRV) are both opened, and the cylinder body control ball valve (BRV) is in an opening state. Cooling fluid circulation principle figure 5 shows the large circulation flow path in the lamp band, as shown in figure 6: the cooling water enters the water jackets of the integrated exhaust pipe, the cylinder cover and the cylinder body simultaneously through the electronic water pump, the cooling water flowing out of the water jacket of the cylinder body enters the main control ball valve (MRV) from the valve at the first water inlet after passing through the cylinder body control ball valve (BRV), and flows out of the valve at the third main circulation water outlet of the main control ball valve (MRV) to the radiator for heat dissipation, the temperature of the cooling water is rapidly reduced, and then the cooling water is sent into each water jacket by the electronic water pump for circulating flow, so that sufficient heat dissipation is ensured.
3) When the temperature mode changeover switch 7 is rotated to the warm air position (this case indicates: the temperature of the cooling liquid passing through the cylinder cover is high), the lamp strip on the electrical appliance control principle figure 6 demonstrates the flow of current, which mainly embodies the opening condition of the control ball valve: the valves of the main control ball valves (MRV) are all closed; the cylinder control ball valve (BRV) is in a closed state. Principle of coolant circulation figure 5 the lamp strip demonstrates the warm air flow path as shown in figure 7: the cooling water enters the water jackets of the integrated exhaust pipe and the cylinder cover through the electronic water pump, the high-temperature cooling water flowing out of the exhaust pipe and the water jackets of the cylinder cover flows into the air-conditioning warm air system, warm air is provided for the interior of the vehicle through other devices, and finally the cooling water returns to the electronic water pump to flow circularly.
4) When the temperature mode change-over switch 7 is rotated to the booster position, the lamp strip on the electrical appliance control schematic diagram 6 demonstrates the flow of current, which mainly embodies the opening condition of the control ball valve: the valves of the main control ball valve (MRV) are all closed, and the cylinder control ball valve (BRV) is in a closed state. Coolant circulation principle figure 5 shows in bands the cooling flow path of the supercharger as shown in figure 8: the cooling water directly enters the turbocharger through the electronic water pump, and directly returns to the electronic water pump for circulating flow after passing through the expansion pot, so that the turbocharger is cooled.
5) When the temperature mode change-over switch 7 is rotated to the engine oil cooling position, the lamp strip on the electrical appliance control schematic diagram 6 demonstrates the flow of current, which mainly embodies the opening condition of the control ball valve: the valves at the low-temperature water inlet (c) and the water outlet (c) of the oil cooler are opened, and the cylinder control ball valve (BRV) is closed. Cooling fluid circulation principle figure 5 shows the cooling flow path of the oil in the light band, as shown in figure 9: cooling water directly enters a main control ball valve (MRV) through a valve at the fifth part of a low-temperature water inlet by an electronic water pump, flows out of a valve at a water-using outlet of an oil cooler of the main control ball valve (MRV), is sent to an engine oil cooler and a gearbox oil cooler, and finally returns to the electronic water pump for circulating flow, so that the cooling of the oil cooler is realized.
6) When the temperature mode change-over switch 7 is rotated to the engine oil temperature rising position, the lamp strip on the electrical appliance control schematic diagram 6 demonstrates the flow of current, which mainly embodies the opening condition of the control ball valve: the valves at the high-temperature water Inlet (IV) and the water outlet (C) of the oil cooler of the main control ball valve (MRV) are both opened, and the cylinder body control ball valve (BRV) is in a closed state. Coolant circulation principle figure 5 shows in the lamp zone the oil warming flow path, as shown in figure 10: cooling water simultaneously enters the water jackets of the integrated exhaust pipe and the cylinder cover through the electronic water pump, the cooling water flowing out of the exhaust pipe and the water jacket of the cylinder cover enters the main control ball valve (MRV) through the valve at the high-temperature water inlet, flows out of the water outlet for the oil cooler of the main control ball valve (MRV), is sent into the engine oil cooler and the gearbox oil cooler, and finally returns to the electronic water pump for circulating flow, so that the temperature rise of the oil cooler is realized.
(4) The main control board 4 receives signals of the electronic water pump simulation knob 8 to control the demonstration states of a cooling liquid circulation schematic diagram 5 of the built-in lamp strip and an electrical appliance control schematic diagram 6 of the built-in lamp strip.
1) When the electronic water pump simulation knob 8 is rotated to a low-flow position, the position of the electronic water pump on the panel 1-3 demonstrates that the flow of the cooling liquid is low;
2) when the electronic water pump simulation knob 8 is rotated to a large-flow position, the position of the electronic water pump on the panel 1-3 demonstrates that the flow of the cooling liquid is large;
3) when the electronic water pump simulation knob 8 is rotated to the no-flow position, the position of the electronic water pump on the panel 1-3 demonstrates that the cooling liquid has no flow.
The operation process of the practical training platform of the engine thermal management system is as follows:
comparison and explanation: observing the material objects on the panels 1-3, and explaining the structure and the working principle of the engine thermal management system by combining a cooling liquid circulation principle diagram 5 and an electric appliance control principle diagram 6.
Starting: plugging in the power cord, pressing the button 2-2 starts the device running.
And (4) observation: rotating the cooling liquid temperature simulation knob 7 and the electronic water pump simulation knob 8 to simulate the engine heat pipe
Managing the system working condition, the student can observe the following conditions:
(1) observing the lamp light of the cooling liquid circulation principle figure 5, and understanding the flow path of water;
(2) and observing the light changes at the electronic water pump, the cylinder control ball valve (BRV) and the main control ball valve (MRV) on the panels 1-3 to understand the control principle of the engine thermal management system.

Claims (1)

1. An engine thermal management system demonstration device is characterized by structurally comprising:
the table frame (1) comprises a bottom table (1-1), a table top (1-2), a panel (1-3) and four universal casters (1-4), and is used as an installation foundation for other parts;
the power input interface (2) is arranged below the aluminum alloy side plate of the rack (1) and is used for controlling the system to be powered on and powered off;
a power converter (3) bolted to the base (1-1) and operative to convert AC220V to DC 12V;
the main control board (4) is arranged on the bottom platform (1-1) by bolts and is used for receiving signals of a temperature mode switch (7) and an electronic water pump simulation knob (8), controlling the circulating states of a cooling liquid circulating schematic diagram (5) and an electric appliance control schematic diagram (6) and demonstrating the circulating change of cooling liquid and the electric signal flow of a control system under different conditions;
a cooling liquid circulation schematic diagram (5) (representing a water path) is displayed on the light-transmitting acrylic panels (1-3) through an inkjet technology, a demonstration lamp strip is arranged in the cooling liquid circulation schematic diagram (5), and original factory anatomical objects are arranged at corresponding positions of the surface intersection of the cooling liquid circulation schematic diagram (5) and the surface intersection of the electrical appliance control schematic diagram (6), and the cooling liquid circulation schematic diagram comprises an electronic water pump, a cylinder body control ball valve (BRV), a main control ball valve (MRV), a cooling liquid temperature sensor, an ECU and the like. The function of the cooling system is to receive the electric signal of the main control board (4) and demonstrate various circulating flow paths of the cooling liquid;
an electrical appliance control schematic diagram (6) (representing a control circuit) is displayed on the light-transmitting acrylic panel (1-3) through an inkjet technology, a demonstration lamp strip is arranged in the electrical appliance control schematic diagram, and original factory anatomical objects are arranged at corresponding positions of the surface intersection of the cooling liquid circulation schematic diagram (5) and the electrical appliance control schematic diagram (6), wherein the original factory anatomical objects comprise an electronic water pump, a cylinder body control ball valve (BRV), a main control ball valve (MRV), a cooling liquid temperature sensor, an ECU and the like. The function of the intelligent power supply is to receive an electric signal of the main control board (4) and demonstrate the power flow of a control circuit;
the temperature mode switch (7) is mounted on the panel (1-3) through bolts and is used for changing the size of the resistor by rotating the switch, simulating the temperature of the cooling liquid and sending a signal to the main control panel (4), so that the demonstration states of the demonstration lamp belts below the cooling liquid circulation schematic diagram (5) and the electric appliance control schematic diagram (6) are synchronously changed;
electronic water pump simulation knob (8) is installed on panel (1-3) with the bolt, and its effect is through rotating the knob and changing the resistance size, simulation coolant liquid temperature to send signal to main control board (4), thereby change the demonstration state in coolant liquid circulation schematic diagram (5) and electrical apparatus control schematic diagram (6) below demonstration lamp area in step.
CN201910798977.5A 2019-08-27 2019-08-27 Real standard platform of engine thermal management system Pending CN112447084A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910798977.5A CN112447084A (en) 2019-08-27 2019-08-27 Real standard platform of engine thermal management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910798977.5A CN112447084A (en) 2019-08-27 2019-08-27 Real standard platform of engine thermal management system

Publications (1)

Publication Number Publication Date
CN112447084A true CN112447084A (en) 2021-03-05

Family

ID=74742049

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910798977.5A Pending CN112447084A (en) 2019-08-27 2019-08-27 Real standard platform of engine thermal management system

Country Status (1)

Country Link
CN (1) CN112447084A (en)

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