KR20160073201A - Control system and method for blowing sand and dust test equipment - Google Patents

Abstract

The present invention relates to a controlling system for a blowing sand and dust testing device and a controlling method thereof and, more specifically, to a controlling method for a blowing sand and dust testing device. In the controlling method of the controlling system for the blowing sand and dust testing device composed of the blowing sand and dust testing device including a blowing unit, a sand and dust injecting unit, a test chamber, a collecting unit, a duct unit, a first opening and closing door, a second opening and closing door, and a turntable and an integrated control unit controlling and monitoring the blowing sand and dust testing device in order to test resistance of a test specimen with respect to blowing sand and dust, the present invention relates to the controlling method of the blowing sand and dust testing device including: an operational mode input step (S100) of receiving an input of an administrator whether a mode is a preparation mode or an operation mode from the integrated control unit; a variable input step (S200) receiving an input of an input variable according to the mode of the operational mode input step (S100); and a mode performing step (S300) of testing the resistance of the test specimen with respect to blowing sand and dust by performing the preparation mode or the operation mode based on the input variable of the variable input step (S200).

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a control system for a sand and dust test equipment,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a control system and a control method thereof for a sand sand and dust test equipment, and more particularly, to a system for controlling sand sand and dust test equipment used for environmental test to confirm tolerance to sand and dust And control method of the sand and dust test equipment which can control the deterioration of performance and reliability of machinery parts caused by dusty sand and dust particles by implementing the condition of MIL-STD-810G Method 510.5 System and a control method thereof.

Semi-arid and dry areas are increasing due to the increasing desertification phenomenon in the world. Sand storms occurring in desertified areas have bad effects on the performance and life of components due to surface wear and crevice of mechanical parts operated in them. .

Especially in the case of construction heavy equipment and military equipments that are sensitive to the operating environment, it is necessary to test the sand that reproduces the sand storm.

In the East Asian region where Korea is located, dust storms are increasing due to the effects of sand storms in China and Mongolia. In the case of heavy equipment and military equipment manufacturers, Is increasing.

The sanding and dust testing equipment is a device that confirms the deterioration and reliability of the performance of machinery parts caused by sand and dust particles. The importance of environmental protection is emphasized in parts used in harsh environments such as military equipment and construction heavy equipment. Among them, the test of sanding and dust test is not performed in Korea, so the demand of domestic companies is increasing.

As a related art, Korean Laid-Open Patent Application No. 2011-0068089 (hereinafter referred to as "sand-and-dust injection device for piston-cylinder type gas turbine engine test" And more particularly to an injector connected to an inlet pipe of a gas turbine engine for injecting high pressure air and an injector connected to the injector for supplying sand and dust, And sand and dust supplied from the injector to the injector are mixed with the high-pressure air and injected into the inlet of the gas turbine engine.

However, most of the above-mentioned prior patents are currently limited to small-sized parts, and there are no test equipments capable of realizing sandstorm condition. Therefore, domestic construction heavy equipment and military equipment manufacturing And companies are conducting tests through overseas testing institutes.

Therefore, there is a need to develop a control system and control method for a sand and dust test equipment for easily confirming deterioration and reliability of various mechanical parts.

Korean Patent Laid-Open No. 2011-0068089 (name: sand and dust injection device for piston-cylinder type gas turbine engine test)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a system and a control method thereof for controlling a sand and dust test equipment used in an environmental test for confirming tolerance to sand and dust Control of sand and dust test equipment which can control the deterioration and reliability of machinery parts caused by sand and dust particles by implementing optimized conditions from injection and collection of sand and dust System and a control method thereof.

The control system for the sand and dust testing equipment according to one embodiment of the present invention is a control system for a sand and dust test equipment that includes a blowing portion for generating a wind speed and a wind speed at a constant speed and a sand or dust supplied from the sand supplying portion and the dust supplying portion, A test chamber in which sand and dust are injected from the sand and dust ejecting portion and the test sample is received in the test chamber; A first opening and closing door that opens and closes a connection path between the test chamber and the collecting part; and a second opening and closing door which is provided between the test chamber and the duct part, A second opening and closing door for opening and closing the connecting passage of the test sample, and a turntable on which the test sample is placed and rotated, And an integrated control unit 200 for controlling and monitoring the apparatus 100 and the test apparatus 100 for testing the resistance of the test sample to the sand and dust of the sand .

At this time, the integrated control unit 200 controls the opening and closing of the first and second opening and closing doors of the falling sand and dust testing equipment 100, so that the first opening and closing door is opened The second opening / closing door is closed, and the first opening / closing door is closed and the second opening / closing door is opened in the dust dust test mode.

The control method of the test apparatus for the sand and dust according to an embodiment of the present invention includes a feed-in portion, a sand and dust ejecting portion, a test chamber, a collecting portion, a duct portion, a first opening and closing door, a second opening and closing door, and a turntable And an integrated control unit for controlling and monitoring the sand and dust test equipment for testing the resistance of sand and dust of the test sample to the sand and dust of the test sample, A variable input step (S200) for inputting an input variable according to a mode of a progress mode input step (SlOO) and an input of a progress mode input step (S100) The preparation mode or the operation mode is performed by using the input parameters of the input step (S200) to test the resistance of the test sample to sand and dust And a mode performing step (S300).

At this time, when the preparation mode is inputted by the advance mode input step (S100), the variable inputting step (S200) inputs the temperature, wind speed and humidity in the test chamber of the falling sand and dust test equipment, A first input parameter input step S212 for inputting a set time for proceeding to the preparation mode according to an input of an administrator, a second input parameter input step S212 for inputting a setting time for proceeding to the preparation mode, And inputting the first to third input variables (S213).

Further, the mode execution step S300 may be performed using a temperature, a wind speed, a humidity, a set time, a sandy sand test mode or a dust dust test mode setting value input from the variable input step S200 And to prepare a sand and dust test equipment for testing the resistance of the sample to sand and dust.

In addition, when the operation mode is input by the operation mode input step S100, the variable input step S200 receives the temperature, wind speed, sand or dust concentration in the test chamber of the test sand and dust test equipment A second input parameter input step (S222) of inputting a second input variable (S221), a rotation speed of the turntable of the flying sand and dust test equipment according to the input of the manager, And a second input step (S223) of inputting a second input parameter, which indicates whether the mode is the fly sand test mode or the fly dust test mode according to the input of the manager,

The mode execution step S300 may include a temperature, wind speed, a concentration of sand or dust in the test chamber, a turntable rotation speed, a set time, and a dust sand test mode or a dust dust test mode setting value Is used to test the resistance of sand and dust of the test sample to sand and dust in the sand and dust test equipment.

In detail, the mode execution step (S300) includes the steps of: a) operating the blowing unit when the blowing sand test mode is inputted from the input step (S223) of the second to third input parameters of the variable inputting step (S200) The air generated by the airflow is divided into a predetermined region of the duct portion and connected to a branch pipe to pass through the filter portion and the temperature and humidity control portion for filtering foreign substances in the air to be introduced into the duct portion and circulated; The valve of the sand supply portion is opened and the sand is injected at a constant wind speed through the sand and dust jetting portion. d) performing a step of collecting the sand through the test chamber at the collecting part, wherein the steps a) to d) comprise: opening the first opening and closing door for opening and closing the connecting passage between the test chamber and the collecting part; And the second opening and closing door for opening and closing the connecting passage between the duct portions is closed.

In addition, the mode performing step S300 may include a step A) when the blowing dust test mode is inputted from the input step S223 of the 2-3 input parameter of the variable input step S200, The air generated by the rich portion is introduced into the duct portion through the filter portion and the temperature and humidity control portion which are connected to the branch pipe formed by branching a certain region of the duct portion to filter the foreign substances in the air to be blown and circulated; D) injecting dust into the test chamber through the sand and dust injecting unit, D) circulating the dust through the duct, and A) through D) Wherein the first opening and closing door for opening and closing the connecting passage between the test chamber and the collecting section is closed and the second opening and closing door for opening and closing the connecting passage between the test chamber and the duct section is opened To perform server features.

In addition, the control method of the test equipment for sandwiched sand and dust may include performing a state mode (S400) of performing the mode operation step (S300) and then checking the state of the current sand and dust test equipment according to the input of the manager (S400) (S400) may include a preparation mode or an operation mode of the sand and dust test equipment, an on / off status of each equipment constituting the sand and dust test equipment, And the error state of each equipment constituting the dust test equipment, the temperature in the current test chamber, the wind speed, the concentration of the sand or the dust.

Furthermore, the control method of the test apparatus for sandwiched sand and dust further includes an operation mode input step (S10) for inputting the manual mode or the automatic mode according to the input of the manager before performing the proceeding mode input step S100 When the manual mode is input by the operation mode input step (S10), the steps S100 to S400 are performed in order,

When the automatic mode is input by the operation mode input step (S10), the automatic mode is automatically performed from the ready mode to the operation mode and the state mode according to a preset input variable.

According to an embodiment of the present invention, there is provided a computer-readable recording medium storing a program for implementing a control method of a sanding and dust testing equipment.

According to another embodiment of the present invention, there is provided a computer program written by a command for implementing a control method of a sanding and dust testing equipment.

The control system and control method of the sanding and dust testing equipment of the present invention may cause the surface performance and life of the parts to be lowered due to surface abrasion and creeping phenomenon of the mechanical parts operated in the dusty sand and dust environment, It is possible to realize optimized conditions ranging from sand and dust injection and collection so that performance deterioration and reliability can be confirmed.

Particularly, the present invention can accommodate not only small parts but also large parts in the test chamber, and the surface facing the direction in which sand and dust are sprayed can be automatically rotated and adjusted, And the test time can be reduced.

Further, the present invention is designed so that the sand generated in the sandy sand test is mostly collected in the collecting part and does not affect the peripheral parts, so that the test equipment is easily managed, the surface of the parts in the test equipment is worn, It is possible to prevent sticking.

Further, according to the present invention, the internal temperature and humidity can be appropriately adjusted, thereby preventing problems such as dust accumulation or jetting at a desired wind speed in humidity-sensitive flying dust test, and improving test accuracy.

Accordingly, the present invention can provide a test environment suitable for the MIL-STD-810 series, which is a military standard established by the US Department of Defense, Reliability tests of heavy construction equipment and military equipment that were dependent on can be made available in Korea.

FIG. 1 is a simplified view of a control system of a sand and dust test equipment according to an embodiment of the present invention.
FIG. 2 is a flowchart showing a path through which the sand is circulated by the control system of the flying sand and dust testing equipment according to an embodiment of the present invention.
FIG. 3 is a flowchart showing a path of dust circulation by the control system of the sanding and dust testing equipment according to one embodiment of the present invention.
FIG. 4 is a flowchart illustrating a method of controlling the sanding and dust testing equipment according to an embodiment of the present invention.
FIG. 5 is a flowchart showing a sand test mode according to a control method of sand sand and dust test equipment according to an embodiment of the present invention.
FIG. 6 is a flowchart showing a dust test mode according to a control method of the sand sand and dust test equipment according to an embodiment of the present invention.
FIG. 7 is a flowchart illustrating steps according to a manual mode or an automatic mode of a control method of the sanding and dust testing equipment according to an embodiment of the present invention.
8 is a diagram illustrating an example of monitoring by the integrated control unit of the control system and the control method of the sand and dust test equipment according to the embodiment of the present invention.
FIG. 9 is a diagram illustrating an example of monitoring the control method of the sanding and dust testing equipment according to one embodiment of the present invention by the state mode. FIG.
10 is a view showing a flow analysis result of various sand and dust jetting passage of the control system of the sanding and dust testing equipment according to one embodiment of the present invention and the control method thereof.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a control system and a control method of a sand and dust test equipment according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The following drawings are provided by way of example so that those skilled in the art can fully understand the spirit of the present invention. Therefore, the present invention is not limited to the following drawings, but may be embodied in other forms. In addition, like reference numerals designate like elements throughout the specification.

In this case, unless otherwise defined, technical terms and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the following description and the accompanying drawings, A description of known functions and configurations that may unnecessarily obscure the description of the present invention will be omitted.

In addition, a system is a collection of components, including devices, equipment, mechanisms, and means that are organized and regularly interact to perform the required function.

The control system and control method of the sand and dust test equipment of the present invention can easily control the sand and dust test equipment used in the environmental test to confirm tolerance to sand and dirt, This is a control system and its control method that enables to check the reliability and performance of machinery parts caused by dusty sand and dust particles by implementing optimized conditions from collection to collection.

1 to 3 are views showing a control system of a sand and dust test equipment according to an embodiment of the present invention. 1 to 3, the control system of the sanding and dust testing equipment of the present invention will be described in detail.

The control system of the test sand and dust test equipment of the present invention is a control system of the test sand and dust test equipment 100 and the test sand and dust test equipment 100 as shown in Figs. And an integrated control unit (200).

To learn more about each configuration,

The apparatus for testing sand and dust 100 may include a blowing part, a sand and dust injecting part, a test chamber, a collecting part, a duct part, a first opening and closing door, a second opening and closing door, and a turntable, The control unit 200 may control and monitor the defogger sand and dust testing equipment 100 to test tolerance to defogging sand and dust of the test specimen contained in the test chamber.

The blower blows sand or dust by generating a wind speed at a constant speed in the sanding and dust testing equipment 100 of the present invention, and can be generally formed by including a fan and a motor driving unit.

At this time, it is preferable that the blower is designed to generate a wind speed of 30 m / s or more to meet the test conditions of the MIL-STD-810 series.

The sand and dust jetting unit may be a path through which the sand or dust is jetted by the blowing unit at a wind speed of a constant speed, and may be a path from the blowing unit to the test chamber in which the sample is received.

In other words, the sand and dust jetting unit is a channel through which sand or dust supplied from a sand supply unit, which is a reservoir in which sand is stored, and a dust supply unit, which is a reservoir in which dust is stored, is jetted in the direction of wind generated by the blowing unit.

In particular, the sanding and dust testing equipment 100 according to the present invention measures the wind speed of the test sample through the channel analysis test of FIG. 10 to determine whether the equipment design specification and the wind speed are satisfied and the generated flow velocity is roughly uniform It was concluded that a rectangular channel with a diameter of 900 to 950 mm was more appropriate.

Accordingly, the sand and dust jetting unit may be formed such that the vertical cross-section of the flow path of the blowing air formed between the test chambers in the blowing unit is rectangular.

In addition, it is preferable that the sand supply unit is formed to have a total supply amount of 400 kg or more at a time of one test, so that the sand supply unit can be tested for 24 hours in a single sand replenishment.

It is preferable that the dust supply unit is formed to have a total supply amount of 200 kg or more at the time of one test and is formed so as to be able to test for 24 hours with a single dust replenishment like the sand supply unit.

The sand supply unit and the dust supply unit are mounted on the upper side of the sand and dust jetting unit and the outlet is further provided with means capable of controlling the jetting amount such as a valve or a geared motor, Or the dust is lowered and can be injected into the test specimen by the wind by the blowing part.

The test chamber is a space in which a test sample is received, and sand or dust supplied from the sand and dust ejecting portion is ejected.

The test chamber is guaranteed to have a maximum wind speed of 30 m / s or more, a temperature control range of 5 to 93 ° C., a humidity control range of 30 to 95%, a dust concentration of 0 to 10.6 ± 0.5 g / 2.7 + - 0.5 g / m < 3 > so as to satisfy MIL-STD-810G METHOD 510.5.

It is also preferable that the test chamber is formed to be capable of accommodating a test sample having a width of 1,500 (W) x 1,500 (D) x 1,500 (H) mm and a width, length and height of 900 mm or more.

In addition, when the test chamber is worn by sand or dust, it is preferable that the test chamber is designed as a double wall for easy replacement of a wear part, and a door which can be opened and closed in a sliding manner is formed on the front surface. good.

The door may be formed of a bullet-proof glass so that an inside can be seen through the window.

Further, the test chamber may be further provided with a soundproofing treatment and an inner and outer corrosion prevention treatment.

Particularly, the test chamber may further include the turntable on which the test sample is placed and rotated,

In the absence of a turntable, when changing the position of the face facing the sand and dust ejection part, it is necessary to change the position of the test sample only after all the set test cycles are completed and the operation is stopped. However,

With the turntable, you can change the position of the test sample at any point in time, saving the test time and making the test more convenient.

The apparatus for testing sand and dust 100 according to the present invention includes an air speed sensor for measuring an air velocity of the air blown by the air blowing unit at an inlet end of the test chamber connected to the sand and dust ejecting unit, At least one concentration sensor for measuring the concentration of the liquid.

Accordingly, the sanding and dust testing equipment 100 of the present invention can appropriately adjust the wind speed and the concentration of the sand or dust sprayed on the test sample, thereby enabling the test to be performed according to the test conditions.

The collecting part may be manufactured by using a cyclone type dust collector in which the sand injected into the test chamber is collected, and the recovery rate of the sand is 99.9% or more and the dust is not exposed to the outside.

The duct part is a pipe connected between the collecting part, the test chamber and the blowing part, and forms a passage so that the wind generated in the blowing part circulates in the sanding and dust testing equipment 100 of the present invention.

2 and FIG. 3, the apparatus for testing sand and dust 100 of the present invention is different from the sand sand test mode and the path for wind blowing in the dust dust test mode.

That is, as shown in FIG. 2, in the deflected sand test mode, the sand injected from the sand and dust ejection portion does not directly go to the duct portion in the test chamber, but is collected in the collecting portion, And is formed to flow to the duct portion.

3, the dust injected from the sand and dust ejection portion moves directly from the test chamber to the duct portion without passing through the trapping portion, and the dust and sand test device 100 ).

To this end, the dust and sand test equipment 100 of the present invention comprises a first opening and closing door for opening and closing a connecting passage between the test chamber and the collecting part, and a second opening and closing door for opening and closing the connecting passage between the test chamber and the duct part. And may include an opening and closing door.

The first opening and closing door and the second opening and closing door may be configured such that one opening and closing means coupled to one hinge portion rotates to close the first opening and closing door or to rotate in the opposite direction to close the second opening and closing door , Respectively, opening and closing means may be formed.

The first sandwiching door is opened, the first sandwiching door is opened in the sand sand test mode, and the second sandwiching door is opened in the sand sand test mode, The second opening / closing door is controlled to be closed.

The sand or dust flow due to the opening and closing of the first and second opening and closing doors will be described again in the sand sand test mode and the dust dust test mode to be described later.

8 and 9, the integrated control unit 200 controls and monitors the dusty sand test mode and the dusty dust test mode through the program (control method) ) Can be controlled and monitored.

For example, in the integrated control unit 200, when a door of the test chamber is opened and closed, a program is designed and applied so that all of the blowing unit, the sand and dust ejecting unit, the collecting unit and the like are not operated, 200), the main power supply can be used to start all equipment using 3 phase 440V, and dual power breaker and alarm system can be applied.

Particularly, it is preferable that the integrated controller 200 is designed so as to prevent dust inflow.

The apparatus 100 for testing dust and sand of the present invention may further include a filter unit connected to a branch pipe formed by branching a certain area of the duct unit and filtering the foreign substances in the air.

In addition, the present invention may include a temperature and humidity control unit for controlling the temperature and humidity of the blowing air having one end connected to the filter unit and the other end connected to the duct unit.

The temperature and humidity of the air circulated in the sand and dust test equipment 100 according to the present invention may be adjusted according to the test conditions so that the temperature and humidity of the air circulated in the sand / .

Especially, in the dusty dust test mode, when the humidity is high, temperature and humidity control are very important because the dusts do not meet each other and the desired test conditions can not be met.

The temperature and humidity control unit is provided with at least one temperature sensor and a humidity sensor to transmit temperature and humidity data to the integrated controller 200. When the temperature and the humidity are high, the integrated controller 200 controls the operation of the temperature / humidity controller So that the control of controlling the wind speed and the wind amount of the wind-up portion can be performed.

Preferably, the temperature sensor, the humidity sensor, and the concentration sensor are installed in the test chamber so as to measure at least three points, respectively. The temperature sensor and the humidity sensor may be installed at the inlet and outlet ends of the temperature / .

The sanding and dust testing equipment 100 of the present invention may further include a room-type complementary cover that surrounds the entire sand and dust testing equipment 100. The complementary cover may be formed in a room shape that surrounds the entire equipment by applying a 50T metal urethane panel. It is preferable that the supplementary cover is further provided with an intake / exhaust device such as a filter and a soundproofing means.

The apparatus for testing dust and sand of the present invention 100 may further include a CCTV installed inside the test chamber so that the test sample can be confirmed in real time. At this time, a plurality of CCTVs can be installed or rotated so that the sample can be checked without interrupting the test during the test from various angles.

Accordingly, the control system of the sanding and dust testing equipment of the present invention can be applied to the control of the machine parts Surface wear and crevices of the surface of the component may deteriorate the performance and life of the component. Therefore, it is possible to implement optimized conditions ranging from sand and dust spraying and collection so that performance deterioration and reliability can be checked during the development of the component have.

FIG. 4 is a view illustrating a control method of the sanding and dust testing equipment according to an embodiment of the present invention. Referring to FIG. 4, the control method of the sanding and dust testing equipment of the present invention will be described in detail.

The controlling method of the sanding and dust testing equipment of the present invention may include a progress mode input step S100, a variable input step S200, and a mode performing step S300, as shown in FIG.

To learn more about each step,

In the operation mode input step S100, the integrated control unit 200 receives input from the management terminal whether it is in the preparation mode or the operation mode,

The variable input step S200 receives an input variable according to the mode of the advance mode input step S100.

At this time, the input variable to be input receives different input variables in the variable input step (S200) according to the ready mode or the operation mode input in the advance mode input step (S100).

More specifically,

When the preparation mode is input by the progress mode input step S100,

The variable input step S200 may perform the 1-1 input parameter input step S211, the 1-2 input parameter input step S212, and the 1-3 input parameter input step S213.

The first-1-1 input parameter input step (S211) receives temperature, wind speed, and humidity in the test chamber of the dust and sand test equipment (100).

The inputting of the first and second input parameters (S212) receives a set time for proceeding to the preparation mode according to the input of the manager.

The 1-3 input parameter inputting step (S213) receives the input of whether the mode is the sandy sand test mode or the dusty dust test mode according to the input of the manager.

The mode execution step S300 of receiving the preparation mode by the progress mode input step S100 may include inputting the input variables inputted from the variable input step S200, The temperature, the wind speed, the humidity, the set time for proceeding to the preparation mode, and the settling time in the test chamber input from the first-second input parameter input step (S212) and the first-third input parameter input step (S213) It is judged whether the test mode is the test mode or the fly dust test mode and the test sand and dust test equipment 100 is prepared so as to test the tolerance of the test sample to the sand or dust dust .

Also, when the operation mode is inputted by the operation mode input step S100,

The variable input step S200 may perform the second-1 input variable input step S221, the 2-2 input variable input step S222, and the 2-3 input variable input step S223.

The second-1 input parameter input step (S221) receives the temperature, wind speed, sand or dust concentration in the test chamber of the sand and dust testing equipment (100).

The second-2 input parameter input step (S222) receives the rotation speed of the turntable of the flying sand and dust test equipment 100 and the set time for the operation mode according to the input of the manager.

The inputting of the second to third input parameters (S223) is inputted according to the input of the manager, whether it is a sandy sand test mode or a fly dust test mode. In this case, in the step of inputting the second to third input parameters (S223), it is possible to directly input a mode even though there is no input of another manager in connection with the input value of the input step (S213).

The mode execution step S300 of receiving the operation mode by the advance mode input step S100 may include inputting the input variables from the variable input step S200, The wind speed, the concentration of the sand or the dust in the test chamber, the rotation speed of the turntable, the rotation speed of the turntable, the rotation speed of the turntable, and the rotation speed of the turntable, which are input from the inputting step S222, It is determined whether the set time for the operation mode and the wiping sand test mode or the wiping dust test mode is set, so that the wiping sand and dust testing apparatus 100 can perform the immunity test on the wiping sand or the flying dust of the test sample.

That is, in other words, the integrated control unit 200 performs the mode or operation mode using the input parameters of the variable input step (S200) by performing the mode execution step (S300) The equipment 100 will test the resistance of the test specimen to dust and sand.

The control method of the sanding and dust testing equipment of the present invention can control the sanding and dust testing equipment 100 according to the sanding test mode / sanding dust test mode in the mode performing step S300 .

More specifically,

If the unified sand control mode is input from the second to third input parameter input step S223 of the variable input step S200,

As shown in FIG. 5, the mode-performing step S300 includes the steps of: a) operating the air blowing unit before the sand and dust injecting unit is operated; and b) air generated by the air- A filter unit for filtering foreign matters in the air blown by the branch pipe formed by branching; a circulation unit for circulating the air through the duct unit through the temperature and humidity control unit, and c) opening the valve of the sand supply unit, D) injecting the sand through the test chamber into the collecting part; and d) collecting the sand through the test chamber in the collecting part.

That is, according to the present invention, in the sandy sand test mode by the control method of the sand sand and dust test equipment of the present invention, before the sand is sprayed, the wind generated in the wind-up portion first passes through the test chamber and the collecting portion, The temperature and humidity in the internal environment of the apparatus for testing sand and dust 100 according to the present invention by performing the process of passing through the filter unit and the temperature and humidity control unit connected to the branch pipe and circulating through the duct unit to the blower unit for a predetermined period of time, .

After the above-mentioned process is performed for a predetermined time, the valve of the sand supply unit is opened, and the sand is sprayed to the test sample at the constant wind speed through the sand and dust spray unit to perform the sand test. And only air blown through the duct section is circulated to the blowing section.

At this time, in the steps a) to d), the first opening and closing door for opening and closing the connecting passage between the test chamber and the collecting part is opened and the second opening and closing door for opening and closing the connecting passage between the test chamber and the duct part 320 are closed.

When the integration control unit 200 receives the dust dust test mode from the input step S223 of the second to third input parameters of the variable input step S200,

As shown in FIG. 6, the mode-performing step S300 includes the steps of A) operating the air blowing unit before the sand and dust jetting unit is activated, and B) air generated by the air- A filter unit for filtering foreign substances in the air blown by the branch pipe formed by branching, a circulation step of circulating the air through the duct unit through the temperature and humidity control unit, C) opening the valve of the dust supply unit, D) injecting dust at a constant air velocity through the spraying section, and D) circulating dust through the duct section through the test chamber.

That is, in the dusty dust test mode according to the control method of the dusty sand and dust testing equipment of the present invention, before the dust is sprayed, the wind generated in the blowing portion first passes through the test chamber and the duct portion, The temperature and humidity in the internal environment of the apparatus for testing sand and dust 100 according to the present invention by performing the process of passing through the filter unit and the temperature and humidity control unit connected to the branch pipe and circulating through the duct unit to the blower unit for a predetermined period of time, .

After the above-mentioned process is performed for a predetermined time, the valve of the dust supply unit is opened and dust is injected into the test sample at a constant wind speed through the sand and dust injection unit to perform a dust test. And then circulates through the duct portion together with the generated wind to the blower portion.

At this time, in the steps A) to D), the first opening and closing door for opening and closing the connection path between the test chamber and the collecting part is closed and the second opening and closing door for opening and closing the connection path between the test chamber and the duct part And is performed in an open state.

In addition, as shown in FIG. 7, after performing the mode performing step S300,

And a state mode performing step (S400) of confirming the state of the current traveling sand and dust testing equipment 100 according to the input of the manager.

As shown in FIG. 9, the state mode performing step (S400) may check the current state of the sand and dust testing equipment 100. FIG.

Through the state mode execution step (S400), it is possible to check whether the waste sand and dust test equipment 100 is in the current preparation mode or the operation mode,

The temperature of each of the equipment (the power source, the sand and the dust injecting part, the test chamber, the collecting part, the duct part, the first opening and closing door, the second opening and closing door, the turntable, etc.) On / Off state can also be checked,

It is determined whether or not each of the equipment (the power source, the sand and the dust ejecting part, the test chamber, the collecting part, the duct part, the first opening and closing door, the second opening and closing door, the turntable, etc.) Wow,

The temperature, wind speed, sand or dust concentration status in the current test chamber of the above-mentioned sand and dust testing equipment 100 can also be monitored.

In addition, as shown in FIG. 7, the control method of the sanding and dust testing equipment of the present invention may be such that, before performing the full mode input step S100,

And an operation mode input step (S10) for receiving the manual mode or the automatic mode according to the input of the manager.

When the manual mode is input by the operation mode input step (S10)

It is possible to control the steps S100 to S400 to be performed in order,

When the automatic mode is input by the operation mode input step (S10)

It is possible to perform the operation mode and automatically perform the state mode after performing the preparation mode according to the preset input variables.

Accordingly, the control system and the control method of the sand and dust test equipment according to the embodiment of the present invention can appropriately adjust the internal temperature and humidity of the sand and dust test equipment 100, It is possible to prevent the problem that dust collects in the dust test, the spraying is not performed at a desired wind speed, and the test accuracy can be improved.

In addition, it is possible to provide a test environment for MIL-STD-810 series, which is a military standard established by the US Department of Defense, The reliability test of heavy equipment and military equipment can be made available in Korea.

Although the control system and the control method of the sand sand and dust test equipment according to the embodiment of the present invention have been described, the control system and the control method of the sand sand and dust test equipment described above are not limited to the above- Those skilled in the art will readily understand that the program may be tangibly embodied, provided in a recording medium readable by a computer, or provided as a computer program written in computer instructions. In other words, it may be implemented in the form of a program command that can be executed through various computer means, recorded in a computer-readable recording medium, or may be a computer program written in an instruction word. The computer readable recording medium or the computer program may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions recorded on the computer readable recording medium or the computer program may be those specially designed and constructed for the present invention or may be those known and available to those skilled in the computer software. Examples of the computer-readable recording medium or the computer program include magnetic media such as a hard disk, a floppy disk and a magnetic tape, optical media such as CD-ROM and DVD, optical disks such as floptical magneto-optical media such as disk, and hardware devices specifically configured to store and perform program instructions such as ROM, RAM, flash memory, USB memory, and the like. The computer-readable recording medium or the computer program may be a transmission medium such as a light or metal line, a wave guide, or the like, including a carrier wave for transmitting a signal designating a program command, a data structure, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware device may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

As described above, the present invention has been described with reference to specific embodiments such as specific components and exemplary embodiments. However, the present invention is not limited to the above-described embodiments, And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, fall within the scope of the present invention .

100: Spindle sand and dust testing equipment
200:
S100 to S400: Each step of the control method of the sanding and dust testing equipment of the present invention

Claims (13)

A blowing section for generating a wind speed and a wind speed at a constant speed,
A sand and dust jetting portion which is a passage through which the sand or dust supplied from the sand supply portion and the dust supply portion is jetted by the blowing portion at a wind speed of a constant speed,
A test chamber in which sand or dust supplied from the sand and dust jetting portion is injected and the test sample is accommodated therein,
A collecting part for collecting the sand injected into the test chamber,
A duct portion which is a pipe connected between the collecting portion, the test chamber and the blowing water,
A first opening and closing door for opening and closing a connection path between the test chamber and the collecting part,
A second opening / closing door for opening / closing a connecting passage between the test chamber and the duct portion,
A sanding and dust testing equipment (100) including a turntable on which the test sample can be rotated and rotated; And
An integrated control unit (200) for controlling and monitoring the above-described sand and dust test equipment (100) for testing the resistance of the test sample to sand and dust;
And a control system for the sand and dust test equipment.
The method according to claim 1,
The integrated control unit 200
The opening and closing of the first opening and closing door and the second opening and closing door of the blowing sand and dust testing apparatus 100 are controlled,
The first opening and closing door is opened and the second opening and closing door is closed,
Wherein the first opening / closing door is closed and the second opening / closing door is opened in the dust dust test mode.
Sand and dirt test equipment including sand, dust, sand, dust chamber, test chamber, collecting section, duct section, first opening and closing door, second opening and closing door, turntable, And a control unit for controlling and monitoring the dust and sand test equipment to test the sand and dust test equipment,
A progress mode input step (S100) in which the integrated control unit receives from the manager whether it is in the preparation mode or the operation mode;
A variable input step (S200) of inputting an input variable according to the mode of the advance mode input step (SlOO); And
A mode performing step (S300) of performing a preparation mode or an operation mode by using the input variable of the variable input step (S200) to test the resistance of the test sample to sand and dust;
And a control device for controlling the sand and dust test equipment.
The method of claim 3,
The variable input step (S200)
When the preparation mode is input by the progress mode input step S100,
A 1-1 input parameter input step (S211) of receiving the temperature, wind speed and humidity in the test chamber of the above-mentioned sand and dust testing equipment;
A second input variable input step (S212) of receiving a set time for proceeding to the ready mode according to an input of an administrator; And
A first 1-3 input parameter input step (S213) for receiving whether the mode is the fly-sand test mode or the fly-dust test mode according to the input of the manager;
And a control device for controlling the sand and dust test equipment.
5. The method of claim 4,
In the mode performing step S300,
The resistance of the test sample to the sand and dust of the test sample is tested using the temperature, wind speed, humidity, set time, and the sandy sand test mode or the dusty dust test mode set value input from the variable input step (S200) Wherein the sand and dust test equipment is prepared so that the sand and dust test equipment can be prepared.
The method of claim 3,
The variable input step (S200)
When the operation mode is input by the operation mode input step S100,
A second-1 input parameter input step (S221) of receiving the temperature, wind speed, sand or dust concentration in the test chamber of the above-mentioned sand and dust testing equipment;
A second-2 input parameter input step (S222) for receiving a rotation speed of the turntable of the above-mentioned flying sand and dust testing equipment according to an input of a manager and a set time for proceeding to the operation mode; And
A second 2-3 input parameter input step (S223) for receiving the input of whether the mode is the fly-sand test mode or the fly-dust test mode according to the input of the manager;
And a control device for controlling the sand and dust test equipment.
6. The method of claim 5,
In the mode performing step S300,
Using the temperature, wind speed, sand or dust concentration, turntable rotation speed, set time, and sandy sand test mode or fly dust test mode setting value input from the variable input step (S200) Wherein the test equipment is tested for resistance to sand and dust in the test sample.
8. The method of claim 7,
In the mode performing step S300,
When the second sand input mode is input from the second input step S223 of the input step S200,
a) operating the blower section;
b) passing air through the duct section through the filter section and the temperature and humidity control section for filtering foreign matter in the air blown by the branch pipe formed by branching the air generated by the blowing section into a certain area of the duct section;
c) opening the valve of the sand supply part and injecting sand at a constant wind speed through the sand and dust jet part;
d) collecting the sand through the test chamber at the collecting part;
Lt; / RTI >
The steps a) to d)
A first opening / closing door that opens / closes a connecting passage between the test chamber and the collecting unit is opened,
And a second opening / closing door for opening / closing a connection path between the test chamber and the duct portion is closed.
8. The method of claim 7,
In the mode performing step S300,
When the dust dust test mode is inputted from the input step (S223) of the second and third input parameters of the variable input step (S200)
A) operating the blower;
B) passing air generated by the blowing unit through a filter unit and a temperature and humidity control unit connected to a branch pipe formed by branching a certain region of the duct unit to filter foreign substances in the air and flowing into the duct unit and circulating;
C) opening the valve of the dust supply part and spraying dust at a constant wind speed through the sand and dust spraying part;
D) circulating the dust passing through the test chamber through the duct portion;
Lt; / RTI >
The steps A) to D)
The first opening and closing door for closing the connection passage between the test chamber and the collecting section is closed,
And a second opening / closing door for opening / closing a connection path between the test chamber and the duct section is opened.
8. The method of claim 7,
The control method of the above-mentioned sand and dust test equipment
After performing the mode performing step S300,
A state mode execution step (S400) of confirming the state of the current traveling sand and dust testing equipment according to the input of the manager;
Further comprising:
In the state mode performing step S400,
The preparation mode or the operation mode state of the above-mentioned sand and dust test equipment,
The on / off status of each equipment constituting the above sand and dust test equipment,
The error condition of each equipment constituting the above-mentioned sand and dust test equipment,
And monitoring the temperature, the wind speed, the concentration of sand or dust in the test chamber at present.
11. The method of claim 10,
The control method of the above-mentioned sand and dust test equipment
Before performing the progress mode input step S100,
An operation mode input step (S10) for receiving a manual mode or an automatic mode according to an input of an administrator;
Further comprising:
When the manual mode is input by the operation mode input step (S10)
The steps S100 to S400 are sequentially performed,
When the automatic mode is input by the operation mode input step (S10)
And the operation mode and the state mode are automatically performed in the preparation mode according to a preset input variable.
A computer-readable recording medium storing a program for implementing the control method of the sanding and dust testing equipment according to any one of claims 3 to 11.
A computer program produced by a computer program for implementing the control method of the sanding and dust testing equipment according to any one of claims 3 to 11.

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