KR100803893B1 - Dust tester for automobile - Google Patents

Abstract

A dust tester for an automobile is provided to separately perform a vertical dust test and a horizontal dust test in an artificial or natural state depending on movement of the automobile. A dust tester for an automobile includes a horizontal air supply hole(11), a horizontal discharge port(13), a vertical air supply hole(12), a vertical discharge port(14), and an inner door. The horizontal air supply hole is formed at one side of a housing. The horizontal discharge port is formed at the other side of the housing opposite to the horizontal air supply hole. The vertical air supply hole is formed at an upper surface of the housing. The vertical discharge port is formed at the other side of the housing opposite to the vertical air supply hole. The inner door is hinged to the housing to close the horizontal air supply hole when supplying air through the vertical air supply hole.

Description

Dust tester for mixed dust {Dust tester for automobile}

1 is a perspective view showing the structure of the mixed dust test apparatus of the present invention.

Figure 2a to 2b is a perspective view showing the inner structure of the mixed dust test apparatus by opening the outer door.

Figure 3 is a side structural view of the open side showing the structure of the control box of the present invention and the installation state of the dust supply tank.

Figure 4 is a perspective view showing the structure of the inner door which is the main part of the present invention.

Figure 5 is a pipe installation showing the air supply and discharge and air supply direction in the mixed dust test apparatus of the present invention.

Figure 6 is an exemplary view showing the air flow change of the horizontal air supply hole.

Figure 7 is an exemplary view showing the air flow change of the vertical air supply hole.

8 is a perspective view showing the installation structure of each sensor installed in the housing space.

9 is a perspective view showing the structure of the table means which is the main part of the present invention.

10A is an operation schematic diagram showing an example of a horizontal air supply;

Fig. 10B is an operation diagram showing an example of vertical air supply.

※ Explanation of code for main part of drawing ※

10: outer door 10a: housing

11: horizontal air supply hole 11a: diffuser

11b: vane 12: vertical air supply hole

13: horizontal outlet 14: vertical outlet

15: stopper 18: through hole

20: table means 21: table

22: rotation motor 30: dust chamber means

31: air supply pipe 32a, 32b: discharge pipe

33a, 33b: valve 40: turbo fan motor means

51: temperature sensor 52: dust concentration detection sensor

53: wind speed sensor 60: inner door
70: heating means

The present invention relates to a mixed dust test apparatus, and more specifically, to reproduce the dust generated in the artificial or natural state according to the movement of the vehicle in a single device to perform the horizontal dust test and vertical dust test separately The present invention relates to a mixed dust test apparatus that enables simple and convenient dust testing.

In general, a horizontal dust test device or a vertical dust test device is used to improve the reliability and life expectancy of parts used in a car by performing the reliability test of the parts used in a car, that is, the dust generated in an artificial or natural state. The inflow and dust inflow rate of the parts used in the automobile were tested.

Since the horizontal dust tester or the vertical dust tester must be installed and used separately as described above, two test apparatuses were required to perform dust test on parts used in automobiles. In order to use, the inconvenience of having to move the test part from the test device to another test device and to adjust the test conditions separately.

Another problem was that the installation space is excessively necessary because two test apparatuses should be provided.

Mixing dust test apparatus of the present invention described above is a simple and convenient to perform the reproducibility test of the dust generated in the artificial or natural state according to the movement of the vehicle to perform the horizontal dust test and vertical dust test separately in one device The present invention provides a mixed dust test apparatus that can be used for dust testing.

An object of the present invention is a dust test apparatus for forcibly supplying airflow and dust particles to measure the amount of dust flowing into a component, comprising: a control box for inputting and controlling temperature, dust concentration, time, and wind speed; A dust supply tank connected to the control box and supplying dust particles by the detected dust concentration; The control box and the dust supply tank are installed and the hinged pivot is provided with an outer door having a see-through window and a space part inside the outer door, but discharges a horizontal air supply hole, a vertical air supply hole and a supplied air to switch the air supply direction. A housing having a horizontal discharge port and a vertical discharge port; A heating device for supplying heat such that the supplied external air has a predetermined temperature; Dust chamber means for discharging the supplied external air in a horizontal / vertical direction and discharging the supplied air; A table means installed inside the housing and having a structure in which a table on which an experiment object to be measured is placed has a structure capable of being coupled and separated and rotated by a rotating motor; It is characterized in that it comprises a turbo fan motor means for discharging the air supplied to the inside of the space portion of the housing at the same time forced air supply.

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

1 is a perspective view showing the structure of the mixed dust test apparatus of the present invention, Figures 2a to 2b is a perspective view showing the inner structure of the mixed dust test apparatus by opening the outer door, Figure 3 is a control box of the present invention According to the present invention, according to the present invention, the control box 100 for inputting and controlling temperature, dust concentration, time, wind speed, etc. is controlled or detected dust. The dust supply tank 110 for supplying the dust particles by the concentration is connected and installed, the outer door 10 having a viewing window while hinged to the front portion of the frame in which the control box 100 and the dust supply tank 110 is installed. Is provided with a space inside the outer door but the horizontal air supply hole 11 and the vertical air supply hole 12 and the air discharged to switch the air supply direction It is provided on the housing (10a) having an outlet (13) and a vertical discharge opening (14).

Meanwhile, the inner space of the housing 10a has a horizontal air supply hole 11 formed at one side thereof and a horizontal outlet 13 formed at an opposite side thereof as shown in FIGS. 2 and 5. The upper surface has a vertical air supply hole (12) is formed and the other side opposite to the vertical discharge port 14 is a structure formed, as shown in Figure 4 the hinge rotation is provided with an inner door 60 is installed. .

The horizontal air supply hole 11 is provided with a diffuser (11a) and the diffuser (11a) is installed as shown in Figure 2 attached to the air supplied in the vertical air supply hole (11) In order to be supplied to the space portion while being diffused, a vane 11b is further provided at the front portion of the horizontal air supply hole 11 formed in the space portion.

On the other hand, as shown in Figures 2 to 9, the bottom of the horizontal outlet 13 is formed in the bottom structure is preferably formed in a concave shape so that the center portion is low to facilitate the discharge, the horizontal outlet 13 and the vertical outlet It is preferable to attach the stopper 15 to 14.

The reason for this is to prevent dust from accumulating in the unused outlet in any direction, and further to prevent the accumulated dust from affecting future measurements.

On the other hand, the upper surface of the space portion of the housing (10a) as shown in the accompanying drawings 2 and 5 is formed with a through hole 18 to prevent the difference between the atmospheric pressure of the outside and the inside of the space portion is formed in the through hole 18 The filter is further provided to prevent the fine dust supplied to the discharge to the outside, the vertical air supply hole 12 is formed on the upper surface of the space portion of the housing (10a) and also in the vertical air supply hole 12 Preferably, a diffuser is installed.

On the other hand, the table means 20 is installed at the center of the bottom, the structure of which is shown in Figures 5 to 9 attached to the inside of the housing (10a) as shown in the table 21 to which the test object to be measured is placed Separation and coupling to the rotary motor 22 is a structure consisting of easily connected.

The dust chamber means 30 for discharging the supplied air and discharging the supplied air is installed in the downward direction of the housing 10a in a horizontal / vertical direction, and its structure is illustrated in FIGS. 3 and 5. As described above, the turbo fan motor means 40 has a structure in which one air supply pipe 31 is connected and two discharge pipes 32a and 32b are connected, and air is supplied to the air supply pipe 31 in a horizontal / vertical direction. The valves 33a and 33b are provided for switching.

Meanwhile, the air supply pipe 31 is provided with a heating means 70 as shown in the accompanying drawings, as shown in FIGS. 3 and 5, and a predetermined portion of the space is connected to the control box as shown in FIG. 8. The temperature sensor 51, the dust concentration detection sensor 52, and the wind speed sensor 53 for controlling and detecting temperature, dust concentration and wind speed are installed.

Referring to the operation and effect of the present invention having the structure as described above first adjust the dust chamber means 30 for discharging the supplied air and discharged supplied air in the horizontal / vertical direction in the downward direction of the housing (10a) To set the external air supply direction.

In the setting of the external air supply direction, the supply direction of the external air is set using a valve provided at a predetermined portion of the air supply pipe 31.

For example, when the horizontal dust test is to be measured, the inner door 60 is fixed in parallel with the outer door 10, that is, in close contact with the rear side, and then the valve 33b for supplying and setting the outside air in the vertical direction is locked and horizontally Opening the supply control valve in the direction at this time to lock the valve of the discharge pipe (32a) connected to the vertical outlet 14 and to adjust the opening of the discharge pipe (32b) connected to the horizontal outlet (13) on the contrary.

As described above, when the valve in one direction is locked and the valve in the other direction is opened, the air supplied is ready to supply air to the inside of the housing 10a through the open valve.

When the air supply direction is adjusted, the inner door 60 is opened, the test object is placed on the table 21 of the table means 20, the outer door 10 is closed, and the control box 100 is provided. When the power is turned on after controlling an environment such as temperature, dust concentration, wind speed, etc. inside the housing 10a by using a switch, air is forcibly sucked by the turbo fan motor means 40 and then, through the air supply pipe 31. Air is supplied to the space part through the open air supply hole 11 via the open valve.

At this time, the air supplied to the space portion through the horizontal air supply hole 11 includes fine dust, so that the dust supply tank 110 is detected by detecting the value of the predetermined fine concentration in the control box to the set dimension. Supply through.

On the other hand, a diffuser 11a is installed at the front end of the horizontal air supply hole 11 so that the supplied air is diffused while preventing the air from being temporarily discharged in front of the diffuser, but the vane is provided in front of the diffuser. It is preferable to further provide vane 11b.

The reason is that the air diffused and discharged by the diffuser is further diffused by the vane to evenly spread the air containing fine dust inside the space part.

The control of the temperature is installed in the air supply pipe 31 of the turbo fan motor means 40, as shown in Figures 3 and 5 attached to the heating means for supplying heat so that the external air has a predetermined temperature ( Heated by 70) the outside air has a predetermined temperature.

Meanwhile, the control of the wind speed is controlled by the operation of the turbo fan motor 40 as shown in FIG. 3, and the control of the fine dust concentration is shown in FIG. 3. It is supplied into the air supply pipe 31 by the dust supply tank 110 connected to.

As shown in the accompanying drawings, the temperature, the wind speed, and the dust concentration are the information detected by the temperature sensor 51, the wind speed sensor 53, and the fine dust concentration detection sensor 52 installed inside the space part of the control box. It is delivered to 100 to be adjusted and controlled.

Meanwhile, when the turbo fan motor means 40 is operated, the rotary motor 22 constituting the table means 20 also rotates to rotate the table 21 and is supplied by the horizontal air supply hole 11 as described above. As shown in FIG. 6, the air is supplied to the air, and the air is discharged through the horizontal outlet 13. The vertical outlet 14 is provided with a stopper 15 so that the vertical outlet 14 is provided. It is blocked.

When the dust test in the vertical direction is to be measured, the inner door 60 is rotated in the direction in which the horizontal air supply hole 11 is formed to close the side on which the vane 11b is installed. The reason is that the fine dust supplied in the vertical direction to the vanes 11b and the diffuser 11a is accumulated, which may affect the adjustment of the fine dust concentration, and the valve 33a for supplying and setting the external air in the horizontal direction. ) And open the vertical supply control valve 33b, but lock the valve of the discharge pipe 32b connected to the horizontal outlet 13 and, on the contrary, to open the valve of the discharge pipe 32a connected to the vertical outlet 14. do.

As described above, when the valve in one direction is locked and the valve in the other direction is opened, the air supplied is ready to supply air into the housing through the open valve.

Meanwhile, when the inner door 60 is rotated, the table 21 is removed, the inner door 60 is fixed, the table 21 is installed again, and then the test object is placed on the table 21 and the outer door ( 10) After closing the air after controlling the environment, such as temperature, dust concentration, wind speed, etc. inside the housing 10a by using the control switch provided in the control box 100, the air is the turbo fan motor means 40 Air is supplied to the space through the vertical air supply hole 12 via the valve opened through the air supply pipe 31 after forced suction by the.

In this case, a diffuser is installed at the front end of the vertical air supply hole 12 to prevent the air from being temporarily discharged to the front and to diffuse the supplied air.

On the other hand, the temperature, wind speed and dust concentration is the same as when supplying the horizontal air and the air supplied to the space portion stays in the space portion at a predetermined time is discharged through the vertical discharge port 14 at this time the structure of the bottom is formed with the vertical discharge port 14 Is preferably formed in a concave shape so that the center portion is formed low to facilitate the discharge.

In addition, a through hole 50 is formed on an upper surface of the space portion of the housing 10a to prevent an external atmospheric pressure and an internal air pressure difference, and the through hole 50 prevents fine dust supplied to the space from being discharged to the outside. It is preferable to install and use a filter.

The mixed dust test apparatus of the present invention having such a structure allows the horizontal dust test and the vertical dust test to be individually performed in one apparatus to reproduce dust generated in an artificial or natural state according to the movement of the vehicle. It is a useful invention that allows simple and convenient dust testing.

Claims (9)

A control box for inputting and controlling temperature, dust concentration, time, wind speed, and the like; A dust supply tank connected to the control box and supplying dust particles by the detected dust concentration; The control box and the dust supply tank are installed and the hinged pivot is provided with an outer door having a see-through window and a space part inside the outer door, but discharges a horizontal air supply hole, a vertical air supply hole and a supplied air to switch the air supply direction. A housing having a horizontal discharge port and a vertical discharge port; Heating means for supplying heat such that the supplied external air has a predetermined temperature; Dust chamber means for discharging the supplied external air in a horizontal / vertical direction and discharging the supplied air; Table means installed inside the housing and having a table on which a test object to be measured is placed by a rotating motor; Turbo fan motor means for discharging the air supplied to the inside of the space portion of the housing at the same time as the forced air supply; A temperature sensor, a dust concentration detection sensor, and a wind speed sensor installed inside the space part of the housing; Mixed dust test apparatus, characterized in that consisting of. The mixed dust test apparatus according to claim 1, wherein the space part of the housing further comprises an inner door which closes the horizontal air supply hole when air is supplied from the vertical air supply hole while the hinge rotates. The mixed dust test apparatus according to claim 1, wherein a stopper is provided at each of the horizontal discharge port and the vertical discharge port formed on the inner bottom surface and one side of the space of the housing. The mixed dust test apparatus according to claim 1, wherein a through hole is formed on an upper surface of the space portion of the housing to prevent a difference in atmospheric pressure from outside and a pressure in the inside. The mixed dust test apparatus according to claim 4, wherein a filter is further provided to prevent the fine dust supplied to the space from being discharged to the outside. The mixed dust test apparatus according to claim 1, wherein a diffuser is installed in the horizontal air supply hole formed in the space part. The mixed dust test apparatus according to claim 1, wherein a vane is further provided at a front portion of the horizontal air supply hole formed in the space portion. The mixed dust test apparatus according to claim 1, wherein the table means is a detachable type that can be combined and separated. The mixed dust test apparatus according to claim 1, wherein the bottom of the vertical discharge port is formed to have a low center portion.

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