KR20130104600A - Cooling system for intercooler - Google Patents

Abstract

PURPOSE: An intercooler cooling system is provided with excellent cooling efficiency to continuously perform cooling work. CONSTITUTION: An intercooler cooling system comprises a coolant storage tank (200), a spray nozzle (250), a pump (210), and a controller. The coolant storage tank is installed in an engine room of a vehicle. The spray nozzle is installed on an outer periphery of an intercooler (100). The pump is installed inside the coolant storage tank. The controller operates the pump and spray nozzle.

Description

Intercooler Cooling System {COOLING SYSTEM FOR INTERCOOLER}

The present invention relates to an intercooler cooling system, and more particularly, an inlet portion through which compressed air is introduced, and an outlet portion through which the compressed air introduced through the inlet portion is discharged to the engine, is formed between the inlet portion and the outlet portion. An intercooler having a heat exchanger to allow heat exchange of compressed air introduced through an inlet, the coolant storage tank being installed in an engine room of a vehicle and storing coolant therein; An injection nozzle installed on an outer circumferential surface of the intercooler and connected to the coolant storage tank and a coolant supply hose to spray coolant; A pump installed inside or outside the cooling water storage tank to supply cooling water to the injection nozzle; It relates to an intercooler cooling system comprising a; controller for operating the pump and the injection nozzle.

In general, the engine of the automobile is operated at a high temperature to keep the engine at an appropriate temperature by circulating the coolant to avoid overheating, the coolant heated while circulating the engine is installed in front of the engine to radiate heat by the vehicle running wind, It is repeated and used to cool the engine by passing it through a cooling radiator.

For this reason, when the radiator heat dissipation cooling property is lowered, the engine is overheated and high-speed motion parts such as bearings and cylinders are sintered or the deterioration of durability is remarkably degraded. Therefore, the radiator cooling efficiency of the radiator is very important for maintaining the engine performance. It is important.

On the other hand, in recent years, as a high power and high performance of the engine is required, a turbocharger is installed to pressurize the intake air by using the exhaust pressure of the exhaust gas to the diesel engine, and then pressurized intake air is supplied to the combustion chamber.

The turbocharger, in a vehicle using an internal combustion engine, supplies compressed air into a cylinder of an engine to improve the output of the engine, and includes a turbine that rotates by flow energy of exhaust gas exhausted from the engine. It is connected to the turbine and the rotating shaft and sucks and pressurizes the air from the outside to supply (charge) the compressed air of high pressure to the cylinder. Even if the cylinder of the same volume is filled with a large amount of air, accordingly Increasing the amount of fuel will yield high output.

However, when the intake air is compressed and fed by a high-pressure turbocharger, the temperature of the compressed air increases, thereby expanding the volume, and the oxygen density decreases. As a result, the filling efficiency in the cylinder decreases, resulting in a decrease in output. do.

For this reason, turbocharged engines are usually equipped with an intercooler that cools compressed air to prevent a decrease in oxygen density, thereby increasing the cylinder suction efficiency, and improving the combustion efficiency of the engine to increase output and fuel economy.

The intercooler can be divided into water-cooled and air-cooled according to the cooling method. The water-cooled intercooler cools the intercooler by using the vehicle's coolant or water when cooling the intercooler. However, there is a problem in that maintenance is difficult, and in general, an air-cooled intercooler that uses air to cool the intercooler is often used.

In addition, the conventional intercooler is usually installed side by side in front of the engine room together with the radiator to radiate and cool using the running wind of the vehicle.In order to increase the output of the vehicle and increase the amount of heat dissipation required, the conventional intercooler and the radiator Increasing the size, the engine room is constrained by the layout and deepening the structural change of the vehicle, causing the cost increase.

Referring to the intercooler of the general turbocharger engine in more detail with reference to the drawings, as shown in Figure 1, the exhaust gas discharged to the exhaust pipe (2) through the exhaust valve (1) during the exhaust stroke drives the turbine (3) And discharged to the outside via the silencer (4). The compressor 6 connected to the turbine 3 by the shaft 5 compresses the air entering through the intake pipe 11 and sends it to the intercooler 7. The compressed air passing through a fin tube (not shown), which is a heat exchange part provided in the intercooler 7, is cooled in the radiator 12 and passes through the intake manifold 8 to the cylinder through the intake valve 9. 10) flows into.

However, in such a conventional turbocharger engine, the cooling performance of the intercooler 7 that cools the compressed air is not good, and the compressed air of the engine is not sufficiently cooled so that the filling efficiency of the engine is lowered to obtain a satisfactory output. There was this.

In order to solve this problem, Korean Patent Publication No. 10-2008-0023860 discloses an "intercooler of a vehicle in which cooling performance is improved".

The intercooler has an inlet for allowing compressed air to flow in, and an outlet for allowing compressed air introduced through the inlet to be discharged, and the compressed air introduced through the inlet is exchanged between the inlet and the outlet. In an intercooler of a vehicle provided with a heat exchanger to allow the compressed air introduced through the inlet to be discharged through the outlet through the heat exchanger, a portion of the compressed air is recycled and re-supplied to the heat exchanger. A duct member is provided to communicate with each of the openings formed in the outlet, and the inner surface of the outlet portion is provided so that a part of the compressed air is recirculated through the duct member without being discharged from the heat exchange portion to the outlet portion. A pass guide member is formed.

The intercooler improves the cooling efficiency by recirculating a portion of the first cooled compressed air through the duct member so as to be combined with the new compressed air in the heat exchanger, but part of the primary cooled compressed air is again inlet. While moving to the side, the same cooling effect as before the recycle was obtained, so there was a problem of low efficiency.

The present invention has been invented to solve the above problems, to provide an intercooler cooling system that is excellent in cooling efficiency and capable of continuous cooling operation.

In order to solve the above problems, the present invention is formed with an inlet for allowing compressed air to enter, and an outlet for discharging the compressed air introduced through the inlet to the engine, between the inlet and the outlet through an inlet An intercooler having a heat exchanger configured to allow heat exchange to be introduced, the coolant storage tank being installed in an engine room of a vehicle and storing coolant therein; An injection nozzle installed on an outer circumferential surface of the intercooler and connected to the cooling water storage tank and a cooling water supply hose to spray cooling water; a pump installed inside or outside the cooling water storage tank to supply cooling water to the injection nozzle side; And a controller for operating the pump and the injection nozzle.

In addition, the coolant storage tank is characterized in that the water level sensor for controlling the operation of the pump by detecting the remaining amount of the coolant is installed.

In addition, the coolant storage tank is characterized in that the replaceable washer fluid container provided in the vehicle.

In addition, a 2-WAY valve is installed to supply the coolant stored in the washer fluid bottle to the jet nozzle or the washer fluid jet nozzle installed in the vehicle, and the coolant supply hose and the washer fluid supply hose are connected to both sides of the 2-WAY valve. It is characterized by.

In addition, the outlet side is characterized in that the temperature sensor for measuring the temperature change of the compressed air is installed.

In addition, the cooling water supply hose is characterized in that the pressure check valve is installed when a predetermined pressure is detected to prevent the cooling water is supplied to the injection nozzle by the self-lowering by gravity in the state in which the pump is stopped operation is installed. .

In addition, the controller is a display that displays the pressure of the pump, the remaining amount of the coolant, the change in temperature detected by the temperature sensor, the operating state of the pump, and the like, the driving of the pump, the spray amount control of the injection nozzle, and the like. Characterized in that the operation button is provided for.

In addition, the pump operation button and the pressure control button is characterized in that it is provided separately to the driver side through a wired, wireless manner so that the operation is easy while driving the vehicle.

In addition, the injection nozzle is characterized in that the ball joint means is coupled to adjust the injection angle.

In addition, the injection nozzle is characterized in that the regular cycle injection is possible through an electrical or mechanical manner.

The present invention made as described above can maximize the cooling efficiency of the intercooler by continuously spraying the coolant on the outer circumferential surface of the intercooler, the user can directly check whether the operation of the cooling system, the remaining amount of the coolant, the injection pressure of the pump, etc. There is an advantage that it is easy to manage.

1 is an exemplary view for explaining a conventional intercooler cooling system.
2 is an exemplary diagram for explaining an intercooler.
3 to 5 is an exemplary view for explaining the intercooler cooling system according to the present invention.
6 to 7 is an exemplary view for explaining an intercooler cooling system according to another embodiment of the present invention.
8 is an illustration of a controller according to the present invention.
9 to 10 are exemplary views of injection nozzles according to the present invention.

Hereinafter, exemplary embodiments will be described based on embodiments best suited to an understanding of the technical features of the present invention, and the technical features of the present invention are not limited by the illustrated embodiments, And that the present invention may be implemented with other embodiments. Therefore, it is intended that the present invention covers the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents. In order to facilitate understanding of the embodiments to be described below, in the reference numerals shown in the accompanying drawings, among the components that perform the same function in the embodiments, the related components are denoted by the same or an extension line number.

In order to help the understanding of the features of the present invention as described above, it will be described in more detail with respect to the intercooler cooling system according to an embodiment of the present invention.

The present invention relates to an intercooler cooling system, and more particularly, an inlet part 110 through which compressed air is introduced, and an outlet part 120 through which the compressed air introduced through the inlet part is discharged to the engine is formed. An intercooler (100) having a heat exchanger (130) for exchanging compressed air introduced through an inlet to exchange heat between an inlet and an outlet, which is installed in an engine room of a vehicle and stores coolant therein. Cooling water storage tank 200 and; An injection nozzle 250 installed on an outer circumferential surface of the intercooler 10 and connected to the cooling water storage tank 200 and the cooling water supply hose 240 to inject cooling water; A pump 210 installed inside or outside the cooling water storage tank to supply cooling water to the injection nozzle 250; The controller 300 for operating the pump and the injection nozzle; relates to an intercooler cooling system comprising a.

The intercooler 100 is installed in the engine room of the vehicle to cool the intake of the high temperature and high pressure supercharged in the turbocharger so that the intake air is supplied to the combustion chamber in a high density state, and the inlet 110 into which the compressed air is introduced; The outlet 120 for discharging the introduced compressed air into the engine is formed, and the intercooler is provided with a heat exchanger 130 for heat exchange of the compressed air, and the intercooler is equipped with a turbocharger. Since it is widely used to improve the intake efficiency of the vehicle, a description thereof will be omitted.

The coolant storage tank 200 is installed in the engine room of the vehicle, and a predetermined space is formed inside the coolant to store the coolant, and an injection hole is formed at one side to replenish the coolant.

The injection nozzle 250 is connected to the cooling water storage tank 200 and the cooling water supply hose 240 and is installed on the outer circumferential surface of the intercooler 100 to inject cooling water toward the outer circumferential surface of the intercooler. One or more spray nozzles are arranged at regular intervals in the longitudinal direction along the outer circumferential surface so as to spray the coolant evenly on the outer circumferential surface of the intercooler, and the spray nozzle 250 is supported using a separate support (not shown). The support may be fixed to change the position of the support, or may be directly mounted on the intercooler 100.

Here, the outer circumferential surface of the intercooler 100 means the front (front) of the intercooler, it is preferable to install the injection nozzle in the front of the intercooler so that the coolant is injected, through the structure such that the heat of evaporation of the coolant There is an effect that can maximize the cooling efficiency of the intercooler.

The injection nozzle 250 is to spray the coolant in the form of fine particles, the ball joint means 260 is coupled to adjust the angle of spraying the coolant to the intercooler 100, the user through the ball joint means Rotating the spray nozzle has an advantage of controlling the spray angle.

In addition, the injection nozzle is characterized in that the regular cycle injection is possible through an electrical or mechanical manner.

Here, the electrical method is mainly used in the fuel injection method of the diesel engine, the solenoid is installed inside the injection nozzle and the built-in function to send an electrical signal to the controller 300 is fixed to the solenoid This means that signals are sent at intervals to allow regular cycle injection, and similar piezo methods can be used.

On the other hand, Figure 10 shows a correct embodiment for the regular cycle injection of the injection nozzle according to the present invention, as shown in Figure 10 by further installing a rotor 251 behind the injection nozzle 250 By allowing the cooling water supplied through the cooling water supply hose 240 to be supplied to the injection nozzle 250 through the rotor 251, regular cycle injection may be performed.

When the coolant is injected into the intercooler, the external air flows into the vaporization phenomenon, thereby causing a cooling action. When the cycle is repeated regularly, there is an advantage in that an excellent cooling effect is obtained in comparison with the amount of the coolant used.

The pump 210 is installed inside or outside of the coolant storage tank 200 (between the storage tank and the spray nozzle) to pump the coolant to the spray nozzle by generating a pumping force, and detects the remaining amount of coolant to operate the pump. The water level sensor 220 for controlling is further installed.

The water level sensor 220 by using all the coolant contained in the coolant storage tank 200 when there is no coolant to be supplied to the injection nozzle 250 by sending an electrical signal to the controller 300 to automatically stop the pump It serves to prevent damage to the 210.

On the other hand, the cooling water supply hose 240 is provided with a pressure check valve 230 for preventing the cooling water is supplied to the injection nozzle 250 by the self-lowering by gravity in the state in which the driving of the pump is stopped.

Although the heights of the coolant storage tank 300 and the intercooler 100 are shown to be the same in FIG. 3, when the coolant storage tank 200 is installed in an engine room of the vehicle, the coolant storage tank 300 and the intercooler 100 are generally installed at a position higher than that of the intercooler. When the pump 210 stops operating, a phenomenon in which the coolant falls by weight difference and moves toward the injection nozzle 250 occurs. The present invention provides a pressure check valve 230 to the coolant supply hose 200. Only when the strong pressure is detected by the drive of the pump 210 is installed to open the cooling water supply hose 240 to supply the cooling water to the injection nozzle 250 can reduce unnecessary consumption of the cooling water.

On the other hand, the present invention is installed on the outlet 120 side of the intercooler temperature sensor 140 for measuring the temperature change amount of the compressed air.

The compressed air introduced through the inlet 110 of the intercooler is subjected to heat exchange while passing through the heat exchanger 130, and then is discharged to the outlet 120 to be supplied into the cylinder of the engine. By continuously spraying the cooling water on the outer peripheral surface of the heat exchange is actively made to increase the cooling efficiency of the compressed air to be discharged to the outlet 120.

At this time, if the temperature sensor 140 installed on the outlet 120 side checks the temperature of the compressed air and sends the value to the controller 300, the user can visually check the temperature change of the compressed air.

Meanwhile, arrows shown at left and right sides of the intercooler 100 of FIGS. 3 to 4 are for explaining the flow of compressed air, and if necessary, temperature sensors at the inlet 110 and outlet 120, respectively. (140,150) may be installed to measure the temperature of the compressed air at the inlet side and the temperature of the compressed air at the outlet side, and then the amount of change in temperature may be calculated and sent to the controller.

5 shows a controller 300 according to the present invention.

The controller 300 is mounted on the dashboard of the vehicle, such as navigation, or mounted at a location with good visibility, and the pressure of the pump, the remaining amount of coolant, the amount of change in temperature detected by the temperature sensor, and the operation of the pump. A display 310 indicating a state or the like is provided, and a plurality of operation buttons 320 for controlling the operation of the pump and the spray amount of the injection nozzle are provided.

The operation button 320 may be provided with a button for operating or stopping the pump 210 and a button for adjusting the spray amount or the spray pressure of the spray nozzle by increasing or decreasing the pressure of the pump 210.

The present invention increases the spray pressure of the pump 210 by the user increases the spraying amount of the injection nozzle 250 to spray a large amount of coolant to the outer peripheral surface of the intercooler, so that the temperature of the compressed air is further lowered to obtain a high output Can be.

In addition, if the remaining amount of coolant is gradually reduced, the spraying amount of the spray nozzle may be reduced by lowering the injection pressure of the pump, and if the remaining amount of coolant is gradually reduced in this way, the water level level sensor 220 is operated while the pump 210 is operated. Since it is controlled, there is an advantage to prevent the breakage of the components and ensure durability.

On the other hand, the display 310, the pressure of the pump, the remaining amount of the coolant, the change in temperature, the operating state of the pump, etc. are various forms such as numerical values, graphs, lamps, or voices so that the user can easily check with the naked eye. Can be implemented in the shape of me.

On the other hand, the present invention may be provided separately in the position close to the driver via the wired or wireless method to enable the driver to quickly operate the pump 210 or to adjust the pressure of the pump while driving. .

As described above, since the controller 30 is mounted at a dashboard of a vehicle or a location easily visible, when the driver operates the button while driving, there is a risk of causing a big accident. It is mounted close to the driver such as the gear side or the steering wheel side by wireless method.

On the other hand, the intercooler cooling system according to the present invention may spray the coolant to the outer circumferential surface of the intercooler 100 using the washer fluid container 400 installed in the engine room of the vehicle.

In general, the washer fluid injection nozzle 430 and the washer fluid supply pipe 420 connected to the washer fluid supply hose 420 for injecting the washer fluid into the vehicle glass are installed in the engine room of the vehicle, and the pumping force is generated therein. Pump 410 is installed.

Accordingly, the present invention fills the coolant in the washer fluid container 400 as shown in FIG. 6 and uses it as a coolant storage tank, and supplies the coolant supplied from the washer fluid container to the injection nozzle 250 to form an outer circumferential surface of the intercooler. Coupling the cooling water supply hose 24 for injecting the cooling water to the branch to the washer liquid supply hose 420, and has a controller 300 for driving the pump or for adjusting the pressure of the pump.

At the branching point of the cooling water supply hose 240 and the washer fluid supply hose 420, a 2-way valve 440 is further provided to selectively supply the cooling water supply direction to any one of the cooling water supply hose and the washer fluid supply hose. Is installed, the controller 300 is preferably provided with a button for selectively supplying the cooling water supply direction to the cooling water supply hose 240 or the washer liquid supply hose 420.

In addition, the water level sensor 220 is installed inside the washer fluid container 400, and the temperature sensors 140 and 150 are simultaneously installed on the outlet 120 side or the inlet 110 and the outlet 120 of the intercooler. The user can check the operation of the pump 410 or the pressure control and the operating state of each component through the display 310.

The present invention made as described above is to separate the cooling water storage tank by narrowing the internal space of the vehicle engine room with the effect of increasing the cooling efficiency of the compressed air supplied to the intercooler by spraying the coolant to the outer peripheral surface of the intercooler ( If it is not possible to install 200), the washer fluid container 400 mounted on the vehicle is used as a coolant storage tank, and spraying the coolant through a pump equipped to inject the washer fluid, thereby eliminating the installation of additional parts, thereby reducing the cost. And the construction work is simplified.

100: intercooler 110: entrance
120 outlet 130 heat exchanger
140,150: Temperature sensor
200: cooling water storage tank 210: pump
220: level sensor 230: pressure check valve
240: cooling water supply hose 250: injection nozzle
300: controller 310: display
320: operation button
400: washer fluid bottle 410: pump
420: washer fluid supply hose 430: washer fluid injection nozzle
440: 2-WAY valve

Claims (10)

An inlet for allowing compressed air to be introduced, and an outlet for discharging the compressed air introduced through the inlet to the engine is formed, the compressed air introduced through the inlet to the heat exchange can be made between the inlet and the outlet In the intercooler provided with a heat exchanger,
A coolant storage tank installed inside the engine room of the vehicle and storing coolant therein;
An injection nozzle installed on an outer circumferential surface of the intercooler and connected to the coolant storage tank and a coolant supply hose to spray coolant;
A pump installed inside the cooling water storage tank to supply cooling water to the injection nozzle;
A controller for operating the pump and injection nozzle;
Intercooler cooling system comprising a. The intercooler cooling system of claim 1, wherein a water level sensor is installed in the coolant storage tank to control the operation of the pump by detecting a residual amount of coolant. The intercooler cooling system according to claim 1 or 2, wherein the coolant storage tank is replaceable with a washer fluid container provided in a vehicle. According to claim 3, wherein the 2-WAY valve is provided to supply the coolant stored in the washer fluid bottle to the jet nozzle or the washer fluid injection nozzle installed in the vehicle, supplying the coolant supply hose and washer fluid to both sides of the 2-WAY valve Intercooler cooling system, characterized in that for connecting the hose. The intercooler cooling system of claim 1, wherein a temperature sensor for measuring a temperature change of the compressed air is installed at the outlet side. The pressure check valve of claim 1, wherein the cooling water supply hose is provided with a pressure check valve which is opened when a predetermined pressure is sensed so as to prevent the cooling water from being supplied to the injection nozzle by dropping by gravity while the pump is stopped. Intercooler cooling system, characterized in that. The pump according to any one of claims 1 to 6, wherein the controller displays a pressure, a residual amount of coolant, a change in temperature detected by a temperature sensor, an operating state of the pump, and the like. Intercooler cooling system characterized in that it is provided with an operation button for driving, adjustment of the spray amount of the injection nozzle. The intercooler cooling system according to claim 7, wherein the pump operation button and the pressure control button are separately provided on the driver's side through a wired or wireless manner so as to facilitate operation even while the vehicle is running. The intercooler cooling system according to claim 1, wherein the injection nozzle is coupled to a ball joint means to adjust the injection angle. 10. The intercooler cooling system of claim 1 or 9, wherein the injection nozzle is capable of regular cycle injection in an electrical or mechanical manner.

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