KR20200010997A - Cleaning Device for Window of Optical Device and Method for Controlling the Same - Google Patents

Abstract

The present invention relates to an optical equipment sight window cleaning apparatus and a control method thereof, which can maintain cleaning performance even in winter while preventing abrasion of a sight window. According to one aspect of the present invention, disclosed is the sight window cleaning apparatus of an optical equipment, comprising: a cleaning water spray nozzle disposed around the sight window of the optical equipment and spraying the cleaning water on the sight window; and a control unit for controlling whether to operate the cleaning water spray nozzle.

Description

Cleaning device for Window of Optical Device and Method for Controlling the Same

The present invention relates to an optical apparatus viewing window cleaning apparatus and a control method thereof, and more particularly, to an optical apparatus viewing window cleaning apparatus and a control method thereof, which can maintain cleaning performance even in winter while preventing the wearing of the viewing window.

As shown in FIG. 1, the trap 10 or the like is provided with various sensors for providing information to various weapons or detection equipment. Such a sensor is provided to sense various signals such as radar waves, infrared rays, visible rays, and sound waves, and may be linked with various combat system equipment disposed in a trap.

Of these, the optical equipment 20 for sensing an optical signal such as visible light or infrared light is provided with a viewing window 30 for transmitting the optical signal on its front surface.

That is, the sensor is positioned inside the see-through window 30 so that the optical signal is transmitted through the see-through window 30 and then received by the sensor, so that sensing is performed. Such see-through window 30 may be installed for the purpose of protecting the sensor therein. have.

On the other hand, due to the nature of being disposed in the trap 10 is always exposed to seawater or various pollutants, pollutants are buried in the see-through window 30 If the pollutants are left unattended, malfunction of the optical equipment occurs or Degradation can occur and the viewing window needs to be cleaned.

In the related art, the wiper 40 is used to clean the viewing window 30, and a method of wiping seawater and contaminants with a rubber wiper blade is generally used.

However, the see-through window 30 applied to the naval combat system equipment often has a special coating applied to its surface, and if the wiper is operated while the salt of seawater is precipitated with salt, scratches may occur in the see-through window. There is a risk of wear of the coating due to friction of the wiper.

In addition, when the replacement period of the wiper 40 is exceeded, the coating layer may be damaged due to the friction and scratches caused by the wiper 40, and when the wiper of the rubber material becomes stiff in cold weather or the like, the wiping performance may be deteriorated. Abrasion and scratches may occur due to the deteriorated wiper, and there is a risk that the frozen wiper 40 with the sea water may become inoperable, which may interfere with normal operation of the optical equipment.

The present invention is to solve the above problems, it is an object of the present invention to provide a viewing window cleaning apparatus and a control method of the optical equipment that can be used safely even in winter without wearing or scratching the viewing window.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

In order to solve the above problems, according to one embodiment of the present invention, disposed around the viewing window of the optical equipment, comprising a control unit for controlling the operation of the washing water injection nozzle, the washing water injection nozzle for spraying the washing water to the viewing window Disclosed is a viewing window cleaning apparatus for optical equipment.

The washing water spray nozzles may be provided at a plurality of different positions, and further include a sensor for measuring a wind direction or wind speed of the surroundings, and the controller may be configured to operate the plurality of washing water spray nozzles according to the wind direction or wind speed measured by the sensor. At least one washing water spray nozzle may be selected.

In addition, according to another aspect of the present invention, disposed around the viewing window of the optical equipment, the washing water injection nozzle for spraying the washing water to the viewing window, the pollution degree measuring module for measuring the contamination of the washing water flowing down the cleaning of the viewing window, the pollution measurement all Disclosed is a viewing window cleaning apparatus for an optical apparatus, including a control unit for controlling whether the washing water injection nozzle is sprayed and the spraying time according to the pollution degree measured in FIG.

The pollution degree measuring module may include a discharge guide for guiding the discharge of the washing water flowing down the viewing window and a pollution measuring sensor for measuring the concentration of the pollutant contained in the washing water guided through the discharge guide.

In addition, according to another aspect of the present invention, disposed around the viewing window of the optical equipment, the washing water injection nozzle for spraying the washing water to the viewing window, the air disposed around the viewing window, the air to blow the washing water sprayed to the viewing window to either side Disclosed is a viewing window cleaning apparatus for an optical apparatus including a control unit for controlling an injection nozzle and an air injection of an air injection nozzle.

The air injection nozzles are spaced apart from each other in a plurality of different locations around the see-through window, and further comprises a sensor for measuring the wind direction and wind speed of the surroundings, the control unit, a plurality of the in accordance with the wind direction and wind speed measured by the sensor It is possible to select an air jet nozzle which is operated among the air jet nozzles.

A heater for preventing freezing of the washing water spray nozzle may be further provided.

According to the present invention, a washing water spraying command receiving step of receiving a washing water spraying command, washing water spraying step of spraying the washing water from the washing water spraying nozzle, washing water collecting step of collecting the washing water flowing down through the sight glass, measuring the contamination of the collected washing water When the contamination level measured in the washing water contamination level measuring step is higher than the standard, the water is returned to the washing water spraying step, otherwise the sight window washing apparatus of the optical equipment comprising a re-cleaning step of stopping the spraying of the washing water. A control method is disclosed.

In addition, the washing water spray command receiving step of receiving the washing water spray command, the information receiving step of receiving the wind direction or wind speed information of the surrounding, based on the wind direction or wind speed information received in the information receiving step, spraying the washing water of the plurality of washing water spray nozzles Disclosed is a control method of a viewing window cleaning apparatus for an optical apparatus, the method including selecting a washing water spray nozzle for selecting a washing water spray nozzle.

Air jet nozzle selection step of selecting an air jet nozzle for injecting air among a plurality of air jet nozzles based on the wind direction or wind speed information received in the information receiving step and the position information of the wash water jet nozzle selected in the washing water jet nozzle selection step It may further include.

According to the present invention, since there is no portion directly rubbed with the viewing window, it can be free from wear and scratch of the coating layer.

In addition, the operation of the washing equipment is guaranteed even in cold weather, there is an effect that can be improved reliability.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

The above summary as well as the detailed description of the preferred embodiments of the present application described below will be better understood when read in connection with the accompanying drawings. Preferred embodiments are shown in the drawings for the purpose of illustrating the invention. However, it should be understood that the present application is not limited to the precise arrangements and instrumentalities shown.
1 is a view showing optical equipment and a sight window installed in a conventional vessel;
2 is a view showing a see-through window cleaning apparatus for optical equipment of one embodiment of the present invention;
Figure 3 is a view showing a state of spraying the washing water in the viewing window cleaning apparatus of the optical equipment of FIG.
Figure 4 is a view showing a state injecting air in the viewing window cleaning apparatus of the optical device of Figure 3;
5 is a perspective view showing a pollution degree measurement module of the viewing window cleaning apparatus of the optical equipment of FIG.
6 is a flow chart showing an example of a control method of a viewing window cleaning apparatus for optical equipment according to another embodiment of the present invention;
7 is a flowchart illustrating another example of a control method of a viewing window cleaning apparatus for optical equipment according to another embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of this embodiment, the same name and the same reference numerals are used for the same configuration and additional description thereof will be omitted.

2 is a view showing a viewing window 30 cleaning device of the optical equipment according to an embodiment of the present invention. As shown in FIG. 2, the apparatus for cleaning the viewing window 30 of the optical device according to the present embodiment includes a washing water spray nozzle 110, a sensor 130, an air spray nozzle 120, a controller 150, and a pollution degree measuring module. 140 may be included.

The washing water spray nozzle 110 may be provided with a plurality of spaced apart at least one different place around the periphery of the viewing window 30 of the optical equipment.

The washing water sprayed through the washing water spray nozzle 110 may be water, or may be a compound of various components including a surfactant, a corrosion inhibitor, a cryoprotectant, and the like, which are advantageous for washing dirt of the viewing window 30.

The sensor 130 may measure the wind direction, wind speed, temperature, etc. around the see-through window 30 in which the washing water spray nozzle 110 is installed. In addition, the sensor 130 may be integrated with the sensor 130 for measuring the wind direction, wind speed, temperature, etc. installed in the trap, may be a separate sensor 130 installed in the optical equipment.

The air spray nozzle 120 may be provided at one or more around the rim of the see-through window 30 is provided with the washing water injection nozzle (110).

In addition, the pollution degree measuring module 140 may be a component for measuring the pollution degree of the washing water is sprayed from the washing water injection nozzle 110 while flowing down the surface of the viewing window 30 to clean the viewing window 30.

In addition, the control unit 150 receives the washing water spray command, receives the information detected from the sensor 130 and the pollution degree measuring module 140, and the washing water spray nozzle 110 and the air spray nozzle 120 Can be controlled.

As described above with reference to FIGS. 2 and 3, the washing water spray nozzles 110 may be spaced apart from each other around the see-through window 30. For example, the left side or the right side may be spaced apart from the viewing window 30 of the washing water spray nozzle 110. Of course, it may be installed between the left end and the right end of the viewing window 30. Of course, the washing water injection nozzle 110 may be arranged in the horizontal direction, that is, the horizontal direction, it may be arranged in the vertical direction.

In addition, the controller 150 may receive information about the wind direction and the wind speed around the viewing window 30 from the sensor 130. In addition, the sensor 130 may be provided with information about the direction and speed of the ship's movement. Alternatively, the sensor 130 may be installed near the viewing window 30 of the optical device to provide information about the wind direction and the wind speed near the viewing window 30.

When the washing water spraying command is received by the controller 150, the controller 150 selects a nozzle for spraying washing water among the plurality of washing water spraying nozzles 110 according to wind direction and wind speed information provided from the sensor 130. Can be.

That is, when the wind direction blows from the left side to the right side, the washing water spray nozzle 110 positioned on the left side of the viewing window 30 among the plurality of washing water spray nozzles 110 may be controlled to spray the washing water. The washing water sprayed from the washing water spray nozzle 110 in the direction in which the wind blows flows to the right side by the wind while flowing down the viewing window 30 so that the washing water may be evenly spread on the viewing window 30.

At this time, for example, when the wind direction blows from left to right, the washing water spray nozzle 110 located at the right end of the viewing window 30 among the plurality of washing water spray nozzles 110 may be controlled not to spray the washing water. When the washing water is sprayed from the washing water injection nozzle 110 located at the end, the washing water sprayed by the wind is not applied to the minute viewing window 30 to blow out of the viewing window 30, so as to prevent waste of the washing water. .

Of course, the wind does not blow at all or the wind direction and wind speed and the speed and direction of the trap is the same or similar to the state that the movement speed of the air around the viewing window 30 is not large all of the plurality of washing water injection nozzles 110 Washing water may be sprayed so that the washing water is evenly applied to the viewing window 30.

Meanwhile, the washing water spray command may be issued when a washing command is received from an operator or when a predetermined cycle arrives or depending on a weather pollution state.

Here, the weather pollution state may refer to a case in which mist or fine dust generated above a predetermined standard is generated, such as when fog is heavily caught in a weather state, or when yellow dust or fine dust is dense.

In addition, a camera (not shown) or a sensor 130 for observing the state of the see-through window 30 is provided to photograph or detect the pollution degree of the see-through window 30 and may issue a washing water spray command when the contamination level above the standard is measured. have. The information on the weather pollution can be obtained by having a separate sensor 130 for measuring it, or it can be known by receiving the weather state information of a corresponding region as data or by an operator.

Alternatively, when the operation preparation signal of the optical equipment is issued, the washing water spray nozzle 110 may be controlled to spray the washing water.

In addition, the air spray nozzle 120 may be provided to spray air to the surface of the see-through window 30 after a set time has elapsed after the washing water is sprayed from the washing water spray nozzle 110.

The air injected through the air injection nozzle 120 may serve to blow or dry the washing water remaining in the see-through window 30.

At this time, the time until the air is injected from the air spray nozzle 120 after the washing water is injected may vary depending on the degree of pollution of the viewing window 30 obtained through the weather pollution or the camera.

Alternatively, when it is difficult to expect the diffusion of the sprayed washing water, such as no wind is blown around the see-through window 30, as shown in FIG. 0, after the washing water is injected from the washing water spray nozzle 110, the washing water is passed. Air is sprayed from the air spray nozzle 120 installed on the left or right side of the see-through window 30 while flowing down the surface of the see-through window 30, and the wash water spreads down to the left or right side, so that the wash-water on the see-through window 30 surface. It may even be spread evenly.

In addition, the air is injected from the air injection nozzle 120 may blow out the washing water remaining in the see-through window 30 toward the pollution degree measuring module 140 to be described later.

On the other hand, the pollution degree measuring module 140 is a component for measuring the pollution degree of the washing water flowing down and washing the viewing window 30.

As illustrated in FIG. 0, the pollution degree measuring module 140 cleans the see-through window 30 and guides the discharge guide 142 formed around the see-through window to guide the discharge of the washing water flowing down, and the discharge guide 142. It may include a pollution measurement sensor 144 for measuring the concentration of the pollutant contained in the washing water guided by.

That is, the washing water sprayed from the washing water spray nozzle 110 cleans the surface of the viewing window 30 while flowing down the viewing window 30, and then discharge may be guided through the discharge guide 142. In addition, the degree of contamination may be measured while the washing water discharged through the discharge guide 142 passes through the pollution measuring sensor 144.

The pollution measuring sensor 144 may include a chamber in which the discharged washing water is temporarily stored, and a dust measuring unit for measuring the amount of dust in the washing water stored in the chamber.

The method of measuring the amount of dust in the liquid can be used a known method, which will be known to those skilled in the art will be omitted a detailed description.

Therefore, when the contamination level of the washing water measured by the pollution measuring module 140 is greater than or equal to the standard, the controller 150 controls the washing water spray nozzle 110 to spray the washing water again, or the washing water from the washing water spray nozzle 110. Can be controlled to further increase the injection time.

In addition, the washing water injection nozzle 110 is provided with a heater (not shown) when the temperature is lowered the reference value is expected to freeze in the washing water injection nozzle 110, the controller 150 operates the heater to operate the washing water injection nozzle Freezing of 110 can be prevented.

Hereinafter will be described an embodiment of the control method of the above-mentioned see-through window 30 washing apparatus.

As shown in Figure 6, the control method of the sight glass 30 cleaning apparatus according to the present embodiment, washing water spray command receiving step (S110), washing water spraying step (S120), washing water collection step (S130), washing water contamination measurement A step S140 and a reclean determination step S150 may be included.

The washing water spraying command receiving step (S110) is a step in which the controller 150 receives a command for spraying washing water from the washing water spraying nozzle 110.

The washing water spray command may be a washing command sent from an operator, a washing command issued by the arrival of a predetermined cycle, or a washing command issued when the degree of gaseous pollution is higher than a standard, and the state of the viewing window 30. It may be a cleaning command issued when the pollution degree of the viewing window 30 from the camera or sensor 130 that detects the level or more, or may be a cleaning command when an operation preparation signal of the optical equipment equipped with the viewing window 30 is issued. have.

The washing water spraying step (S120) is a step in which the control unit 150 receiving the washing water spraying command operates the washing water spraying nozzle 110 to spray the washing water.

In this step, the controller 150 may receive the wind direction and wind speed information from the sensor 130 to select and operate the washing water spray nozzle 110 for spraying the washing water of the plurality of washing water spray nozzles.

At this time, through the wind direction information provided from the sensor 130 may be controlled to spray the washing water from the washing water injection nozzle 110 located on the side of the wind blowing direction.

In addition, the wind is not blown at all or the wind direction and wind speed and the speed and direction of the trap is the same or similar to the state that the movement speed of the air around the see-through window 30 is not large all of the plurality of washing water injection nozzle 110 Washing water may be sprayed so that the washing water is evenly applied to the viewing window 30.

In addition, an air injection step may be performed after a predetermined time after the washing water is injected. The air spraying step may blow or dry the remaining washing water of the see-through window 30 by spraying air from the air-jet nozzle 120 toward the see-through window 30.

At this time, the time until the air is injected from the air spray nozzle 120 after the washing water is injected may vary depending on the degree of pollution of the viewing window 30 obtained through the weather pollution or the camera.

Or, if it is difficult to expect the diffusion of the sprayed washing water, such as wind does not blow at all around the viewing window 30, as shown in Figure 4, after the washing water is injected from the washing water injection nozzle 110, the washing water While flowing down the surface of the see-through window 30, the air is sprayed from the air spray nozzle 120 installed on the left or right side of the see-through window 30, and the washing water flows down to the left or the right, and the wash water is evenly distributed on the view-window 30 surface. It could be spread and applied.

The washing water collection step (S130), after spraying from the washing water injection nozzle 110 to wash the viewing window 30 while flowing down the surface of the viewing window 30 to collect the washing water discharged through the annoying discharge guide 142. Step.

In addition, the washing water pollution measurement step (S140) is a step of measuring the pollution degree of the wash water collected in the above-mentioned washing water collection step (S130). The pollution degree of the wash water collected through the pollution degree measurement module 140 may be measured.

After the washing water contamination measurement step (S140), a re-cleaning determination step (S150) may be performed. In the re-cleaning determination step (S150), when the pollution degree measured in the washing water pollution degree measuring step (S140) is higher than the reference, the flow returns to the washing water injection step (S120), and if not, the injection of the washing water may be stopped.

In addition, the amount or spraying time of the washing water sprayed in the washing water spraying step (S120), after the washing water spraying step (S120) according to the contamination measured in the washing water pollution degree measuring step (S140), the air is sprayed in the air nozzle 120 The time until it can be controlled.

In addition, when it is determined that the temperature measured by the sensor 130 is below the temperature at which icing occurs, a heater operation step of operating the heater (not shown) to prevent icing of the washing water spray nozzle 110 may be performed.

On the other hand, according to another embodiment of the control method of the cleaning device of the viewing window 30 of the optical device of the present invention, as shown in Figure 7, washing water injection command receiving step (S110), information receiving step (S112), washing water injection The nozzle selection step S122 and the air spray nozzle selection step S124 may be included.

Since the washing water injection command receiving step S110 is as described above, a description thereof will be omitted.

The information receiving step S112 may be a step in which the controller 150 receives wind direction and wind speed information from the sensor 130.

The washing water spray nozzle selection step (S122) may be a step of controlling to spray the washing water from the washing water spray nozzle 110 located on the side of the wind blowing direction through the wind direction information provided from the sensor 130.

For example, when the wind direction blows from left to right, the washing water spray nozzle 110 located at the right end of the viewing window 30 among the plurality of washing water spray nozzles 110 may be controlled not to spray the washing water. Of course, the wind does not blow at all or the wind direction and wind speed and the speed and direction of the trap is the same or similar to the state that the movement speed of the air around the viewing window 30 is not large all of the plurality of washing water injection nozzles 110 Washing water may be sprayed so that the washing water is evenly applied to the viewing window 30.

In addition, the air spray nozzle selection step (S124) is based on the wind direction or wind speed information received in the information receiving step (S112) and the position information of the washing water spray nozzle 110 selected in the washing water spray nozzle selection step (S122). In this step, the air injection nozzle 120 for injecting air among the plurality of air injection nozzles is selected.

In the air spray nozzle selection step (S124), after the set time has elapsed after the washing water is sprayed from the washing water spray nozzle 110, the air is sprayed to the surface of the see-through window 30 and sprayed through the air spray nozzle 120. The air may blow or dry the remaining washing water in the see-through window 30.

In addition, when it is difficult to expect the diffusion of the sprayed washing water such as not blowing wind or weakly blowing around the viewing window 30, after the washing water is sprayed from the washing water spray nozzle 110, the washing water is sprayed on the surface of the viewing window 30. Air is sprayed from the air spray nozzle 120 installed on the left or right side of the see-through window 30 while flowing down to diffuse the washing water flowing to the left or right side so that the wash water is evenly spread on the surface of the see-through window 30. There will be.

At this time, the air injection nozzle 120 to which the air is injected is selected in the wind direction or wind speed information received in the information receiving step (S112) and the washing water injection nozzle selection step (S122) in the air injection nozzle selection step (S124). An air injection nozzle 120 for injecting air among a plurality of air injection nozzles may be selected based on the location information of the washing water injection nozzle 110.

That is, the air injection nozzle 120 may be selected to inject air to inject air in a windy or opposite direction, and the washing water sprayed from the washing water injection nozzle 110 flows out of the plurality of air injection nozzles 120. It is also possible to select the air spray nozzle 120 on the lowering path.

After the air spray nozzle selection step (S124) may be connected to the above-described washing water collection step (S130).

As described above, a preferred embodiment according to the present invention has been described, and the fact that the present invention can be embodied in other specific forms in addition to the above-described embodiments without departing from the spirit or scope thereof has ordinary skill in the art. It is obvious to them. Therefore, the above-described embodiments should be regarded as illustrative rather than restrictive, and thus, the present invention is not limited to the above description and may be modified within the scope of the appended claims and their equivalents.

30: sight glass 110: washing water spray nozzle
120: meat spray nozzle 130: sensor
140: pollution degree measuring module 142: discharge guide
144: pollution measurement sensor 150: control unit
S110: injection command receiving step S112: information receiving step
S120: washing water spray step S122: washing water spray nozzle selection step
S124: air spray nozzle selection step S130: washing water collection step
S140: pollution degree measuring step S150: re-cleaning judgment step

Claims (1)

A washing water spraying command receiving step of receiving a washing water spraying command;
A washing water spraying step of spraying washing water from the washing water spray nozzle;
An air injection step of injecting air toward the viewing window from an air spray nozzle to blow or dry the remaining washing water of the viewing window after a predetermined time after the washing water is injected;
Washing water collection step of collecting the washing water flowing down the viewing window;
Washing water contamination measurement step of measuring the contamination of the collected wash water;
A re-cleaning determination step of returning to the washing water spraying step again when the contamination level measured in the washing water contamination level measuring step is higher than the standard; otherwise, spraying of the washing water is stopped;
Control method of the viewing window cleaning apparatus of the optical equipment comprising a.

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