KR20100059126A - Structure of air intake duct for cooling and heating electronic unit in-vehicle - Google Patents

Abstract

PURPOSE: An air intake duct structure for heating and cooling the electronic parts for a vehicle is provided to prevent various accidents due to the waterlogging of the electronic parts vulnerable to the moisture by preventing the moisture incoming through an air intake instrument from being absorbed into the electronic parts. CONSTITUTION: An air intake duct structure for heating and cooling the electronic parts for a vehicle comprises a first air intake duct(130), and a second air intake duct(140). The indoor air is flown into the first intake duct. The first intake duct is formed as a U shape in which a collector is formed at the lower part. The outdoor air is flown into the second intake duct. The second intake duct is formed to exceed a given length so that the moisture is not flown from the bottom surface of the vehicle. The length of the second intake duct is formed to exceed 50% of the height which the rear shelf of the vehicle and the bottom surface of the vehicle body form.

Description

Structure of air intake duct for cooling and heating electronic unit in-vehicle}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intake duct structure for cooling and warming electric vehicle parts, and more particularly, in various electronic units mounted in a vehicle, to efficiently cope with temperature changes generated by operation of the electric device. In the cooling and warming structure of the electrical components for cooling and heating intake duct structure of the automotive electrical components for preventing the ingress of the electrical components that may be generated by the inflow of moisture through the intake port side for sucking the indoor and outdoor air respectively. It is about.

In modern society, a vehicle is not only functioning as a means of transportation, but also as a leisure means with various convenience equipment, and thus includes various electronic components for electronically controlling the device for driving the vehicle and auxiliary devices for additional convenience. . These electronic components are very sensitive to temperature in terms of their performance. In addition, in hybrid automobiles, fuel cell vehicles, and electric vehicles, which include various types of batteries, which are in the spotlight recently, batteries corresponding to the core parts also have a high temperature and temperature of the battery part maintained during operation in terms of performance and durability. It has been found to have a close relationship.

In connection with such a structure for controlling heat generation, etc. of the vehicle internal structure, Japanese Patent Laid-Open No. 2003-146088 discloses an intake vent near a rear seat for cooling a battery in a battery box. We propose structure to include.

FIG. 1 shows a cooling structure for cooling a battery box of Japanese Laid-Open Patent Publication No. 2003-126088. In FIG. 1, an air inlet 30 for introducing cooling air is provided at the rear of a rear seat 10. FIG. By installing on a side parcel (20) and flowing air in the vehicle interior sucked from the intake port through the intake duct 40, a structure for cooling the battery box and the electrical component box 50 of the vehicle is proposed. .

However, such a conventional structure has a disadvantage in that effective temperature control is difficult due to the following structural difficulties.

In addition, in the conventional cooling structure for the electrical components of the vehicle, when moisture such as beverages flows through the intake port of the rear shelf that sucks indoor air, there is no means to prevent the flow of moisture, Moisture reaches the high voltage parts such as batteries directly through the duct, and odor, smoke, fire, etc. may occur due to short circuit of the terminal part. There was a possibility of serious accidents.

2 is a structure that can be considered in order to overcome the difficulties of the temperature control of the prior art, the first intake 60 and the second intake 70 and the first intake and the second intake for inhaling the indoor and outdoor air, respectively A new configuration including a rotary valve 80 for controlling the opening and closing of the intake port, or even through this configuration, may occur when water is introduced through the first intake port located on the rear shelf or when the vehicle passes through a puddle or runs on a rainy road. There is a problem that can not prevent the inflow of water through the second intake port of the lower vehicle.

Therefore, in the cooling and warming structure for the electric component of the vehicle, a water inflow prevention structure that can effectively prevent such water inflow is required.

Therefore, in the present invention, in the cooling and heating structure for the vehicle electrical components prepared for the heat generation and cooling of the electrical components mounted on the hybrid vehicle, etc., to the electrical components of the moisture that can be sucked through the intake port for sucking the indoor and outdoor air The present invention provides an intake duct structure for cooling and heating of automotive electronic components that can prevent inflow and prevent various accidents due to the inundation of electrical components, which are vulnerable to moisture, such as batteries.

In order to achieve the above object, the present invention provides the following configuration.

The present invention provides a cooling and warming intake duct structure for vehicle electric parts, including a first intake duct through which indoor air is introduced, wherein the first intake duct is configured in a '∪' type having a collecting part at a lower side thereof, Provided is an intake duct structure for cooling and warming an electric component for a vehicle, characterized by preventing moisture from entering into the component side.

In addition, the cooling and warming intake duct structure of the vehicle electrical component further includes a second intake duct through which the outdoor air is introduced, wherein the second intake duct is formed to a predetermined length or more so that water does not flow from the bottom of the vehicle Provided is an intake duct structure for cooling and heating a vehicle electric component.

In this case, the length of the second intake duct provides an intake duct structure for cooling and warming the electric component of a vehicle, wherein the length of the second intake duct is formed at 50% or more of the height formed by the rear surface of the vehicle body and the rear shelf of the vehicle.

In addition, the second intake duct provides an intake duct structure for cooling and heating of a vehicle electric component, wherein the second intake duct has a '∩' shape.

Here, the second intake duct provides an intake duct structure for cooling and warming the electric component of a vehicle, further comprising a filter capable of filtering a part of moisture.

On the other hand, in the cooling and warming intake duct structure of the vehicle electrical component, further comprises a second intake duct through which the outdoor air is introduced, wherein the second intake duct is formed to a predetermined length or more so that moisture does not flow from the bottom of the vehicle It provides a cooling and warming intake duct structure for a vehicle electrical component.

In addition, the length of the second intake duct provides an intake duct structure for cooling and warming the electric component for a vehicle, characterized in that formed at 50% or more of the height formed by the bottom of the vehicle body and the rear shelf of the vehicle.

In this case, the second intake duct provides an intake duct structure for cooling and warming the electric component for a vehicle, wherein the second intake duct has a '∩' shape.

Here, the second intake duct provides an intake duct structure for cooling and warming the electric component of a vehicle, further comprising a filter capable of filtering a part of moisture.

In addition, the intake duct structure for cooling and warming the vehicle electrical component includes: a first intake duct through which indoor air is introduced; A valve controlling opening and closing of the first intake duct and the second intake duct; A moisture sensor installed in the first intake duct; And a control unit for controlling the opening and closing of the valve, and controlling the opening and closing of the valve through the control unit according to whether water is detected by the moisture sensor, thereby preventing water inflow to the electric component side. Provides an intake duct structure for cooling and heating.

As described above, the cooling and warming intake duct structure of the vehicle electric component according to the present invention has an effect of preventing the moisture flowing into the electric component through the intake port formed to suck air from the indoor or outdoor side.

Therefore, the intake duct structure for cooling and warming the electric parts for vehicles according to the present invention prevents problems such as odor, smoke, and ignition of the electric parts due to the inundation of the electric parts, resulting in a vehicle fire and various human accidents. Large accidents such as can be prevented has the effect of improving the stability of the vehicle.

In the present invention for achieving the above object, in the intake duct structure for cooling and warming the electric component of the vehicle, the inlet duct structure or gravity to form a trap space that can separate the incoming water can prevent the inflow of water. Provide intake duct structures for cooling and heating of automotive electrical components, including intake duct structures with a sufficient length so that they can

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 illustrates a preferred embodiment of the intake duct structure for cooling and heating of the vehicle electrical component according to the present invention.

As shown in FIG. 2, the cooling and heating structure of the vehicle electrical component shown in FIG. 3 may include a first intake port for sucking air in the room for temperature control for cooling and warming, and an intake air in the outside. A cooling and warming structure of a vehicle electric component including a second intake port and a valve for controlling opening and closing of the first intake port and the second intake port, comprising a first intake port and a second intake port as described above. Based on the description of the preferred intake duct structure.

As shown in FIG. 3, the intake duct structure for cooling and warming a vehicle electric component according to the present invention includes a battery having a first intake port 110 introduced from an indoor side and indoor air sucked from the first intake port 110. And a first intake duct configured to flow into the electrical component side such as the pack 200. Cooling air or warm air introduced from the first intake duct is configured to perform cooling or warming while passing through electrical components such as the battery pack 200, and is discharged through the exhaust duct 180 through the cooling fan 170. .

At this time, in order to prevent water from flowing into the electrical component from the first intake port, the present invention proposes a modified structure of the first intake duct 130 formed to allow air to flow from the top to the bottom shown in FIG. 2. do. Accordingly, the cooling and warming intake duct structure of the vehicle electric component of the present invention is bent 180 ° of the first intake duct structure of Figure 2, that is, the new from the bottom to the top connected to the flow path from the top to the bottom It provides a structure of the first intake duct 130 of the '∪' type including a flow path.

Therefore, the first intake duct 130 forms a trap space (S) for separating the water introduced from the first intake port 110 at the bottom of the '∪' type. For example, when the drinking water placed on the rear shelf flows through the first intake port 110, the drinking water does not flow to the electric component side, and the collection part S formed at the bottom of the first intake duct 130 is formed. ) Will be separated.

In addition, the '∪' type first intake duct 130 and the integrated duct 160 is formed so that the indoor or outdoor air sucked from the first inlet 110 or the second inlet 120 can move to the electrical component side In the connection structure between the first intake duct 130 and the integrated duct 160, the two channels of '형' type of the first intake duct 130 are formed to have a sufficient height, respectively, shaking of the vehicle It is preferable to configure so as to properly prevent moisture inflow against disturbances such as.

4 is a cross-sectional view of the intake duct structure for preventing the inflow of water from the outside in the intake duct structure for cooling and heating of the vehicle electric component according to the present invention.

When the outdoor air is sucked from the second air intake 120 formed on the bottom of the vehicle body in the cooling and heating structure of the electric component for the vehicle, when the vehicle passes through the water hole or runs in the rain, moisture is sucked together with the outdoor air to It may cause flooding on the electrical component side. Therefore, in the present invention, in order to sufficiently increase the length of the second intake duct 140 formed so that the outdoor air sucked from the second intake port 120 flows from the bottom of the vehicle body to the rear shelf side, that is, from below to upward. By modifying a shape in which the integrated duct 160 vertically intersects with the existing straight second intake duct, the second intake duct 140 is combined with a part of the integrated duct 160 to have a '∩' shape. Make an intake duct.

Looking specifically at the configuration of the '덕트' type intake duct through the cross-sectional view shown in Figures 3 and 4, the water flowing from the inlet formed in the bottom of the vehicle body constitutes a part of the '∩' type intake duct by gravity To the valve 150 formed at the highest point of the second intake duct 140, only the outdoor air is configured to flow through the valve 150 to the electrical component side. In this case, the shape of the intake duct is not limited to the '∩' type, and if the length of the second intake duct 140 is sufficiently secured, '∩' is adjusted by adjusting the height of the integrated duct 160 connected to the electric component side. It is also possible to have a straight line instead of a straight line.

Preferably, the length of the second intake duct 140 of the intake duct structure for cooling and heating the vehicle electrical component of the present invention is formed to be 50% or more of the height formed by the bottom of the vehicle body and the rear shelf of the vehicle.

In the cooling and warming intake duct structure of a vehicle electric component according to the present invention, the filter 190 is provided on the side of the second intake duct 140 adjacent to the second intake port 120, the filter 190 By removing a portion of the water introduced by the water can be more securely removed to penetrate the electrical components side.

In addition, as a preferred embodiment of the present invention, by installing a moisture sensor 210 that can detect the inflow of moisture on the first intake port 110 or the second intake port 120, the moisture sensor 210 When it detects the inflow of water, it is possible to prevent the inflow of water to the electrical component side by closing the valve 150.

Therefore, through the intake duct structure for cooling and warming the electrical parts of the vehicle according to the present invention, various safety accidents by preventing the flooding of the electrical components that can occur in the process of inhaling the air inside and outside during the cooling and warming of the automotive electrical parts Can be prevented.

While the invention has been described with reference to the preferred embodiments, those skilled in the art will appreciate that modifications and variations of the elements of the invention may be made without departing from the scope of the invention. In addition, many modifications may be made to particular circumstances or materials without departing from the essential scope of the invention. Therefore, the invention is not limited to the details of the preferred embodiments of the invention, but will include all embodiments within the scope of the appended claims.

1 is a cross-sectional view of a cooling structure for a conventional vehicle electrical component.

2 is a cross-sectional view of a cooling and warming structure for a vehicle electrical component having improved the prior art.

3 and 4 are cross-sectional views of the intake duct structure for cooling and heating of the vehicle electrical component according to the present invention.

<Description of Symbols Used in Main Parts of Drawings>

110: first air intake 120: second air intake

130: first intake duct 140: second intake duct

150: valve 160: integrated duct

170: cooling fan 180: exhaust duct

190: filter 200: battery pack

210: moisture sensor

Claims (10)

In the intake duct structure for cooling and heating of vehicle electric parts, A first intake duct through which indoor air enters, The first intake duct is configured in a '∪' type having a collecting portion in the lower side, the intake duct structure for cooling and warming the electric component for a vehicle, characterized in that to prevent the inflow of water to the electric component side. The method of claim 1, further comprising a second intake duct through which outdoor air flows, The second intake duct is formed in the intake duct structure for cooling and warming the electric parts of the vehicle, characterized in that formed in a predetermined length or more so that moisture does not flow from the bottom of the vehicle. The intake duct structure of claim 2, wherein the length of the second intake duct is 50% or more of the height formed by the bottom of the vehicle body and the rear shelf of the vehicle. The intake duct structure of claim 2, wherein the second intake duct is formed in a '상기' shape. The intake duct structure of claim 2, wherein the second intake duct further comprises a filter capable of filtering a part of moisture. 6. In the intake duct structure for cooling and heating of vehicle electric parts, Further comprising a second intake duct through which the outdoor air flows, The second intake duct is formed in the intake duct structure for cooling and warming the electric parts of the vehicle, characterized in that formed in a predetermined length or more so that moisture does not flow from the bottom of the vehicle. The intake duct structure of claim 6, wherein the length of the second intake duct is 50% or more of the height formed by the bottom of the vehicle body and the rear shelf of the vehicle. The intake duct structure for cooling and heating of an electric component for a vehicle according to claim 6, wherein the second intake duct is formed in a '∩' type. The intake duct structure of claim 6, wherein the second intake duct further comprises a filter capable of filtering a part of the water. 10. The method according to any one of claims 6 to 8, A first intake duct through which indoor air is introduced; A valve controlling opening and closing of the first intake duct and the second intake duct; A moisture sensor installed in the first intake duct; And a control unit for controlling opening and closing of the valve. Intake duct structure for cooling and warming a vehicle electric component, characterized in that by controlling the opening and closing of the valve through the control unit according to the water inflow detected by the moisture sensor to prevent water inflow to the electric component side.

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