KR101612693B1 - Apparatus and method for warning abnormality of case using reflector - Google Patents

Abstract

The present invention discloses an apparatus and method for detecting an abnormality of an enclosure using a reflector for promptly detecting and alerting the opening and outside intrusion of an enclosure door which can damage the safety of the circuit and equipment installed inside the enclosure. The proposed apparatus includes a light detecting unit formed so that light from a light emitting unit passes through a path specified by a reflector and flows into a light receiving unit, a processing unit that determines whether or not the enclosure is abnormal based on the light detection result in the light detecting unit, And a notification unit for outputting a notification message corresponding to the determination result to the outside.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an alarm apparatus and method using a reflector,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and method for alarming an enclosure abnormality using a reflector, and more particularly, to an apparatus and method for alarming the opening, breakage and intrusion of an enclosure door for protecting internal circuits and equipment.

The enclosure is provided mainly for the protection of circuits and equipment mounted inside.

Particularly, it is possible to provide an enclosure to prevent corrosion or flooding due to moisture, deformation due to sunlight or collision of an external material, or failure. In this case, the enclosure should support the waterproof and dustproof function, and it is made of opaque and hard material, so as to prevent the blocking of external material and the prevention of breakage.

In addition, an enclosure may be provided to secure the security of internal circuits and equipment. In this case, the box is made of an opaque and hard material, so that it is impossible to penetrate the inside circuit and equipment from the outside.

The enclosure shall include the body on which the internal circuitry and equipment are mounted and the doors to facilitate authorized external access for reasons such as maintenance. Therefore, this enclosure should be open only for the purpose authorized by the authorized administrator, and if the enclosure is opened for unintended reasons, it shall be possible to secure all the protection functions for the internal circuits and equipment mentioned above There is no situation.

In order to prevent this, there is a case where the door opening detection sensor is provided in the housing, but most of them are the contact detection type. Accordingly, when the specific portion of the door with the sensor is in contact with the housing, it is determined that the door is closed, and when the specific portion of the door with the sensor is separated from the housing, it is determined that the door is opened.

However, the door open detection sensor of the contact detection type is only detectable when the door is opened normally. It is not possible to detect an abnormal situation, such as when the object is pushed against the sensor and the door is opened or a part of the enclosure is broken. Especially, in the case of an abnormal intrusion, it is more likely to be an attack by a malicious attacker than an unexpected natural disaster.

Related prior arts include the use of sensors based on infrared or laser sources to detect intrusions of people and objects in a movable form rather than a fixed form as disclosed in Korean Patent Application No. 10-2013- 0084081.

In another related art, there is a technique in which plane light emitted through a light emitting portion is irradiated to an object to be sensed, reflected light reflected from an object to be sensed is received through a light receiving portion, and a plurality Of generating photographed image data on the basis of electrically measuring the photons of the photographed object is described in Korean Patent Publication No. 10-2014-0011810.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide an enclosure using a reflector for instantly detecting opening and exterior intrusion of an enclosure door, And an abnormal alarm device and method.

In order to achieve the above object, according to a preferred embodiment of the present invention, there is provided an apparatus for alarming an enclosure using a reflector, comprising: a photodetector configured to allow light from a light emitting unit to pass through a reflector to enter a light receiving unit; A processing unit for determining an abnormality of the enclosure based on the light detection result of the light detection unit; And an announcement unit for externally outputting a notification message corresponding to a result of the determination by the processing unit.

At this time, the light emitting unit, the light receiving unit, and the reflector may be separately installed on the body and doors of the housing.

At this time, the reflector may be composed of a plurality of reflectors, and at least one of the light emitting unit, the light receiving unit, and the plurality of reflectors should be installed in the body or door of the enclosure.

At this time, the light emitting unit can emit a laser.

At this time, the processing unit receives the signal of the lower threshold value, which means that the light is not received from the photodetecting unit at all, and the light is guided to the specified path It is possible to send a signal corresponding to the signal to the notification unit.

At this time, the processing unit may determine that the enclosure is in a broken state according to the signal from the photodetector unit being above an upper threshold value, and send a signal corresponding to the signal to the notification unit.

At this time, as the signal from the photodetector unit is received intermittently within the threshold value range, the processor determines that the door of the housing is opened or closed quickly, or that an object intruding from the outside is moving inside the housing, To the notification unit.

At this time, as the signal from the photodetector unit is continuously received within the threshold value range, the processor determines that the housing is in a normal state and can send a signal corresponding to the signal to the notification unit.

At this time, the light emitting unit can continuously transmit light with a specific pattern without emitting light, and the processing unit can suspend the determination of whether or not the enclosure is abnormal with respect to the section in which the light is not transmitted.

Meanwhile, according to a preferred embodiment of the present invention, a processing unit abnormality alarm method using a reflector is characterized in that the processing unit detects whether or not an abnormality occurs in the enclosure based on the light outputted from the light emitting unit and traveling to the specified path through the reflector, ; And a notification step of outputting a notification message corresponding to the determination result in the determining step to the outside.

According to the present invention having such a configuration, it is possible to immediately detect all of the normal opening of the enclosure door, the abnormal opening of the enclosure door, or the external intrusion due to the breakage of the enclosure door in order to secure the stability and security of the internal circuit and equipment , And informs the manager of the remote site to enable quick inspection.

The conventional door-type door opening / closing sensor, which is mainly used in the prior art, can not detect abnormal door opening such as placing a substitute object in contact with the sensor and opening the door. Also, it is impossible to detect the case of intrusion by breaking the enclosure without opening the door. In addition, the conventional intrusion detection system using a laser also has a limitation that the light emitting unit and the light receiving unit must be installed on a straight line and only an object attempting to intrude into this straight line area can be detected. However, the present invention solves the disadvantages of the prior art and can detect both normal and abnormal opening of the door, as well as detect instantly whether the enclosure is damaged or not, have. In the configuration, since a pair of light emitting portion and light receiving portion are used as in the conventional intrusion detection sensor using a laser, a greatly improved door opening / closing and intrusion detection performance can be obtained at a very reasonable cost.

1 is a view for explaining a configuration of a light detecting unit in an enclosure abnormality warning apparatus using a reflector according to an embodiment of the present invention.
FIG. 2 is a view for explaining output light of a light emitting unit, which travels through a reflector when the housing door shown in FIG. 1 is opened.
FIG. 3 is a view for explaining light output from the light emitting unit through the reflector when the housing door shown in FIG. 1 is closed; FIG.
4 is a configuration diagram of an enclosure abnormality alarm apparatus using a reflector according to an embodiment of the present invention.
5 is a diagram showing an example of a signal received from the light receiving unit in the processing unit shown in FIG.
FIG. 6 is a flowchart illustrating an enclosure abnormality warning method using a reflector according to an embodiment of the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail.

It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be interpreted in an ideal or overly formal sense unless explicitly defined in the present application Do not.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In order to facilitate the understanding of the present invention, the same reference numerals are used for the same constituent elements in the drawings and redundant explanations for the same constituent elements are omitted.

1 is a view for explaining a configuration of a light detecting unit in an enclosure abnormality warning apparatus using a reflector according to an embodiment of the present invention.

The photodetecting section includes a light emitting section 30, a light receiving section 40, and reflectors 50a to 50d.

The light emitting portion 30 emits a laser beam having a linearity. The light emitting portion 30 may be installed on the inner side of the body 10 of the housing where the storage space is formed.

The light receiving unit 40 receives the laser beam emitted from the light emitting unit 30. At this time, the light receiving unit 40 will receive a laser that travels on a path specified by the reflectors 50a to 50d when there is no abnormality in the enclosure. The light receiving portion 40 may be installed on the inner surface of the housing door 20.

The reflectors 50a to 50d allow the laser emitted from the light emitting unit 30 to be moved to a specified path and to be introduced into the light receiving unit 40. [ The reflectors 50a to 50d may be installed on the inner surface of the body 10 of the enclosure. The reflectors 50a to 50d may be any member having a characteristic capable of reflecting a laser. Each of the reflectors 50a to 50d is spaced apart from each other so that the laser can be moved to a specified path.

The light emitting portion 30 may be installed on the inner side of the body 10 of the housing and the light receiving portion 40 may be provided on the inner side of the housing door 20. However, The installation position of the light-receiving unit 40 may be anywhere inside the enclosure as long as it is suitable for making a proper path of the laser. Further, the mounting positions of the light emitting portion 30 and the light receiving portion 40 may be reversed. On the other hand, the installation positions of the reflectors 50a to 50d should also be located at a position suitable for making an appropriate path of the laser, and the position and the number thereof are not limited.

It is preferable that the light emitting unit 30, the light receiving unit 40 and the reflectors 50a to 50d are disposed to be separated from the body door 10 and the body door 20 in order to promptly determine the opening and closing of the door door 20 . That is, if the light emitting unit 30 and all of the reflectors 50a to 50d are installed on the inner surface of the body 10 of the housing, the light receiving unit 40 should be installed in the housing door 20. [ When both the light emitting portion 30 and the light receiving portion 40 are provided on the inner surface of the body 10 of the enclosure, at least one of the reflectors 50a to 50d should be installed in the enclosure door 20. [

FIG. 2 is a view for explaining the output light of the light emitting unit, which is transmitted through the reflector when the door door shown in FIG. 1 is opened. FIG. 3 is a view for explaining the output light traveling through the reflector, Fig. 7 is a view for explaining the output light of the light emitting portion.

2, when the housing door 20 is opened, the laser 60 emitted from the light emitting unit 30 can not be received by the light receiving unit 40, and the laser 60 continues to move beyond the designated path.

3, when the housing door 20 is closed, the laser 60 emitted from the light emitting unit 30 travels through a predetermined path through the reflectors 50a to 50d and is received by the light receiving unit 40 do.

4 is a configuration diagram of an enclosure abnormality alarm apparatus using a reflector according to an embodiment of the present invention.

An enclosure abnormality alarm apparatus using a reflector according to an embodiment of the present invention includes a light detection unit 70, a processing unit 80, and a notification unit 90.

The photodetecting section 70 includes a light emitting section 30, a light receiving section 40, and reflectors 50a to 50d as described in FIG. The detailed description of the photodetector unit 70 is replaced with the description of FIG. 1 described above. The light receiving unit 40 converts the intensity of the received laser into the form of an electronic signal and transmits it to the processing unit 80.

The processor 80 determines whether the door 20 is opened or closed, damaged, or intruded based on a signal from the light receiving unit 40, and transfers the state of the door to the notification unit 90. Here, whether the opening and closing of the door 20 is determined can be determined by whether there is a sudden or large change in the received signal in the steady state. For example, the processing unit 80 sets an upper threshold value and a lower threshold value for detecting opening / closing and intrusion of the door door 20, and when a signal outside the threshold value range is received from the light receiving unit 40, Or is exposed to threats such as breakage of the enclosure, internal intrusion, and the like, and informs the notification unit 90 of the status. Of course, when the signal from the light receiving unit 40 is continuously inputted within the threshold value range, the processing unit 80 may determine that the enclosure is in a normal state and may transmit the state to the notification unit 90. [

The notification unit 90 sends a notification message corresponding to the status signal from the processing unit 80 to the management center or the manager of the remote site. For example, the notification unit 90 can notify that the enclosure is in a normal state, and can inform that the enclosure door 20 is opened or intruded from the outside, and the enclosure door 20 can be quickly opened or closed, It can be notified that an object is moving inside the enclosure, and it can be notified that the enclosure is in a broken state.

5 is a diagram showing an example of a signal received from the light receiving unit in the processing unit shown in FIG.

In section 1, the light receiving section 40 continuously receives the laser constantly and constantly. Therefore, in the case of section 1, it means that the housing is in a normal state.

In section 2 it indicates that the laser is not receiving continuously. This means that the lid door 20 is opened or the laser does not advance to the specified path due to an object that has entered from the outside.

In section 3, the light receiving unit 40 instantaneously shows a state in which the laser is not normally received several times (intermittently received). This means that the body door 20 is rapidly opened or closed and an object intruding from the outside is moving inside the body.

In section 4, it is indicated that a laser having a stronger intensity than that of the steady state is being received by the light receiving part 40. This means that the housing is damaged and strong light is being received by a light source such as sunlight or other lamps than in a normal state.

As described above, the present invention not only detects a normal state of the enclosure, but also can immediately detect an abnormal door opening and an external intrusion due to damage to the enclosure.

On the other hand, in order to save power consumption, it is possible to transmit the light source with a specific pattern without continuously emitting the laser by the light emitting unit 30. [ In this case, in the section where the laser is not transmitted, the processing section 80 reserves the judgment for opening and closing the hatch door using the threshold value and detecting the intrusion.

In addition, in the above-described embodiment, it is possible to maximize the protection effect on important devices by specifying the path of the laser to pass directly above important devices such as a CPU. In addition, by specifying the path of the laser to be in the immediate vicinity of a communication port such as a console port or an Ethernet port, security for internal circuits and equipment can be maximized.

FIG. 6 is a flowchart illustrating an enclosure abnormality warning method using a reflector according to an embodiment of the present invention.

First, the laser is emitted from the light emitting unit 30 (S10).

The emitted laser will proceed to a specific path through the reflectors 50a to 50d (S12).

Thereafter, when the predetermined time has elapsed, the light receiving section 40 will receive the laser. However, if the light receiving section 40 does not receive the laser at all or receives a laser having a level lower than the lower threshold value ("No" in S14) after a predetermined time has elapsed, . Accordingly, the processing unit 80 judges that the current state of the door 20 is open or that the laser does not advance to the specified path based on the signal from the light receiving unit 40 (S16 ).

According to the determination in S16, the processing unit 80 sends a signal corresponding to the signal to the notification unit 90, and the notification unit 90 determines whether or not the laser beam is emitted by the object, A notification message indicating that the user can not proceed to the specified route is sent to the management center or administrator of the remote site (S18).

On the other hand, when the light receiving section 40 receives the laser ("Yes" in S14), it transmits the intensity of the laser received to the processing section 80. Accordingly, the processing unit 80 determines whether the intensity of the received laser is equal to or greater than an upper threshold value (S20).

If the intensity of the received laser is higher than the upper threshold value in S20, the processing unit 80 determines that the housing is damaged and is receiving stronger light than the normal state by a light source such as sunlight or other lamps (S22) . Accordingly, the processing unit 80 sends a corresponding signal to the notification unit 90, and the notification unit 90 receives light stronger than the normal state by a light source such as sunlight or other lamps, State to the management center or administrator of the remote site (S24).

If the received laser intensity is continuously received within the threshold value range ("Yes" in S26), the light receiving unit 40 continuously sends the corresponding laser intensity signal to the processing unit 80. [ Accordingly, the processing unit 80 determines that the enclosure is in a normal state (S28). The processing unit 80 sends a signal indicating that the enclosure is in a normal state to the notifying unit 90 and the notifying unit 90 sends a notification message indicating that the enclosure is in a normal state to the management center or the manager of the remote place (S30).

If the received laser intensity is received intermittently within the threshold value range ("Yes" in S32), the light receiving section 40 sends a corresponding laser intensity signal to the processing section 80. [ Accordingly, the processing unit 80 judges that the body door 20 is quickly opened or closed or that an object intruding from the outside is moving inside the body of the body (S34). The processing unit 80 sends a signal to the notification unit 90 indicating that the body door 20 is opened or closed quickly or an object intruded from the outside is moving inside the body of the body, 20) is rapidly opened or closed, or a message indicating that an object intruding from the outside is moving inside the enclosure (S36) to the management center or administrator of the remote site.

As described above, an optimal embodiment has been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

10: Body 20: Body
30: light emitting portion 40:
50a to 50d: Reflector 70: Light detection unit
80: Processing section 90: Notification section

Claims (16)

A light detecting unit formed in such a manner that the light from the light emitting unit passes through the reflector to enter the light receiving unit;
A processing unit for determining an abnormality of the enclosure based on the light detection result of the light detection unit; And
And an informing unit for externally outputting a notification message corresponding to a result of the determination by the processing unit,
The processing unit
When the signal of the lower threshold value, which means that the light is not received from the photodetector at all, is received, the light of the light can not proceed to the specified path due to the opening of the door of the housing or the entry from the outside And when the light receiving unit receives the signal of the upper threshold value or more from the light detecting unit, it determines that the housing is damaged and strong light of a light source such as sunlight or other lamp is being received, When a signal in the range is intermittently received, it is determined that the door of the housing is opened or closed quickly, or that an object intruding from the outside is moving inside the housing,
And sends a signal corresponding to the determined state to the notification unit. The method according to claim 1,
Wherein the light emitting unit, the light receiving unit, and the reflector are installed on the body and doors of the enclosure. The method of claim 2,
Wherein the reflector comprises a plurality of reflectors,
Wherein at least one of the light emitting unit, the light receiving unit, and the plurality of reflectors is installed in a body or door of the enclosure. The method according to claim 1,
Wherein the light emitting unit emits a laser beam. delete delete delete The method according to claim 1,
Wherein the processor determines that the enclosure is in a normal state as the signal from the photodetector unit is continuously received within the threshold value range and sends a signal corresponding to the signal to the notification unit. Device. The method according to claim 1,
Wherein the light emitting unit continuously transmits light with a specific pattern,
Wherein the processing unit reserves an abnormality determination of the enclosure with respect to an interval in which the light is not transmitted. Determining whether there is an abnormality in the enclosure based on the light output from the light emitting unit and traveling to the specified path through the reflector and entering the light receiving unit; And
And a notification step of outputting a notification message corresponding to a result of the determination in the determining step,
The determining step
When a signal of a lower threshold value or less indicating that light is not received at all from the light detecting unit is received, the door of the enclosure is opened or the light can not proceed to the specified path due to an object intruding from the outside And determines that a state in which strong light of a light source such as sunlight or other lamp is being received from the photodetecting unit is detected when a signal exceeding an upper threshold value is received from the photodetecting unit, Wherein the door of the enclosure is quickly opened or closed when the signal in the enclosure is intermittently received or the object intruding from the outside is moving inside the enclosure. The method of claim 10,
Wherein the light emitting unit, the light receiving unit, and the reflector are installed separately from the body and doors of the housing. The method of claim 11,
Wherein the reflector comprises a plurality of reflectors,
Wherein at least one of the light emitting portion, the light receiving portion, and the plurality of reflectors is installed on the body or door of the enclosure. delete delete delete The method of claim 10,
Wherein the determining step determines that the enclosure is in a normal state when a signal received by the light receiving unit is continuously received within a threshold value range.

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