JP2016143329A - Abnormality detection device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an abnormality detection device capable of accurately detecting an abnormal state.SOLUTION: An abnormality detection device includes: a door detection unit 7 for detecting the open/closed state of a door; a person detection unit 8 that is disposed on one side of the door and detects the presence of a person on the one side of the door; and a control unit 30 for determining the abnormality when the door detection unit has detected the closed state of the door and the person detection unit has detected the presence of a person. The abnormality is determined when the closed state of the door is detected and the period in which the person detection unit is detecting the presence of the person continues beyond a set time.SELECTED DRAWING: Figure 8

Description

  The present invention relates to an abnormality detection device attached to a door.

  Conventionally, an abnormality detection device attached to a door is known (for example, Patent Document 1). The abnormality detection device according to Patent Document 1 recognizes that a person is present by detecting the locking of the door. However, such an abnormality detection device cannot detect the presence of a person when the user forgets to lock the door.

JP 2010-182169 A

  Therefore, in view of such circumstances, an object of the present invention is to provide an abnormality detection device that can accurately detect an abnormal state.

  An abnormality detection device according to the present invention is an abnormality detection device attached to a door, and is disposed on one side of the door, a door detection unit that detects an open / closed state of the door, and a person on one side of the door A human detection unit that detects presence; and a control unit that determines that the door detection unit detects an abnormality when the door detection unit detects a closed state of the door and the human detection unit detects the presence of a person.

  Further, in the abnormality detection device, the control unit detects when the door detection unit detects the closed state of the door and the time that the human detection unit detects the presence of a person exceeds a set time. It may be configured that it is determined as abnormal.

  Further, the abnormality detection device is disposed on one side of the door, and a light source that emits light when the control unit determines that it is abnormal, and a light source that is disposed from one side of the door to the other side emits the light source. The light guide which propagates light inside and discharge | releases it at least from the part arrange | positioned at the other side of the said door may be provided.

  The anomaly detection device is disposed on one side of the door, accommodates the light source and one end of the light guide, and is disposed on the other side of the door, and cooperates with the case body. A holding body that holds the other end of the light guide and the door, and a connecting body that connects the case body and the holding body, and the connecting body is provided between the door and the guide. A configuration may be adopted in which a concave housing portion for housing the light body is provided, and the sandwiching body is translucent so that the light guide body transmits light emitted from the other end portion to the outside.

  Further, the abnormality detection device includes a case body disposed on one side and the upper side of the door, the case body includes an inclined surface on the lower side, and the human detection unit is a human sensor, The structure of arrange | positioning on the said inclined surface may be sufficient.

  As described above, the abnormality detection device according to the present invention has an excellent effect that an abnormal state can be accurately detected.

Drawing 1 is a figure which looked at the door to which the abnormality detection device concerning one embodiment was attached from the room. FIG. 2 is a cross-sectional view of the door to which the abnormality detection device according to the embodiment is attached. 3 is an overall front view of the abnormality detection apparatus according to the embodiment, and is an enlarged view of a region III in FIG. FIG. 4 is an overall side view of the abnormality detection apparatus according to the embodiment, and is an enlarged view of the IV region in FIG. 2. FIG. 5 is an overall top view of the abnormality detection apparatus according to the embodiment. 6 is a cross-sectional view of a principal part taken along line VI-VI in FIG. FIG. 7 is a cross-sectional view of an essential part taken along line VII-VII in FIG. FIG. 8 is a block diagram of the abnormality detection apparatus according to the embodiment. FIG. 9 is an overall side view of an abnormality detection apparatus according to another embodiment.

  Hereinafter, an embodiment of the abnormality detection apparatus will be described with reference to FIGS. In each figure (the same applies to FIG. 9), the dimensional ratio in the drawing does not necessarily match the actual dimensional ratio.

  First, prior to describing each configuration of the abnormality detection device according to the present embodiment, a door to which the abnormality detection device is attached will be described. As shown in FIGS. 1 to 5, the door 100 opens and closes the opening 201 of the fixed wall 200. In the present embodiment, the door 100 is an inner opening door. In FIGS. 2 and 4 to 5, the right side of the door 100 is the inner side (for example, in the room), and On the other hand, the left side is outside (for example, outdoor)

  In addition, the fixed wall 200 includes a door stop 202 that hits the outside (the other side) of the door 100. The door stop 202 protrudes downward and prevents the door 100 from opening outward. In the present embodiment, the abnormality detection device 1 is attached to the toilet door 100. Specifically, the abnormality detection device 1 is attached to the upper side of the toilet door 100.

  The abnormality detection device 1 includes a device main body 2 disposed on the inner side (one side) of the door 100, a light guide 3 that is disposed from the inner side to the outer side of the door 100, and has a light guide property, and the outer side of the door 100. And a clamp body 4 that clamps the end 3a of the light guide 3 and the door 100 in cooperation with the apparatus main body 2 and a connecting body 5 that connects the apparatus main body 2 and the clamp body 4 to each other. ing. In addition, the abnormality detection device 1 includes a detection target 20 that is fixed to the inside of the fixed wall 200 and detected by the device main body 2.

  One end of the connecting body 5 is inserted into the apparatus main body 2 and is fixed to the apparatus main body 2 with a fixing tool 5a. The other end of the connecting body 5 is inserted into the holding body 4 and is held with the fixing tool 5b. 4 is fixed. Moreover, the apparatus main body 2 can be freely positioned with respect to the one end part of the connection body 5 according to the thickness of the door 100.

  Then, the apparatus main body 2 and the sandwiching body 4 sandwich the door 100 so that the abnormality detection device 1 is attached to the door 100. In addition, the other end part of the connection body 5 is arrange | positioned below the one end part of the connection body 5, and the upper end of the clamping body 4 is arrange | positioned below the upper end of the door 100. FIG. Thereby, the clamping body 4 is prevented from hitting the door stop 202.

  The apparatus main body 2 detects a case body 6 having an internal space, a detected object 20, a door detection unit 7 that detects the open / closed state of the door 100, and a person that detects the presence of a person inside the door 100. A detection unit 8 and a light source 9 that is accommodated in the case body 6 and emits light are provided. The apparatus main body 2 includes a control unit 30 that controls the apparatus.

  The door detection unit 7 is disposed inside the case body 6. And when the door detection part 7 faces the to-be-detected body 20, it detects that the door 100 is a closed state by detecting the to-be-detected body 20. FIG. That is, the door detection unit 7 and the detection target 20 are arranged so as to face each other when the door 100 closes the opening 201 of the fixed wall 200.

  In this embodiment, the door detection part 7 is a magnet sensor, and the to-be-detected body 20 is equipped with the magnet inside. Moreover, the door detection part 7 is arrange | positioned at the both sides of the width direction (left-right direction of FIG. 3). Thereby, according to the kind of door 100, the to-be-detected body 20 can be arrange | positioned not only on the right side of the door 100 (apparatus main body 2) but on the left side. Note that the door detection unit 7 may be provided inside the case body 6 so that the detection target 20 disposed on the upper side, the lower side, the front side, the rear side, and the like of the apparatus main body 2 can also be detected.

  The human detection unit 8 is a human sensor. Specifically, the human detection unit 8 is a human sensor that uses detection waves (for example, infrared rays, ultrasonic waves, visible light, etc.). For example, a human sensor is a pyroelectric human sensor that detects a change in received heat (infrared rays), a ranging human sensor that emits detection waves (infrared rays) and receives and detects reflected light from a person, etc. Is adopted. In the present embodiment, the human sensor detects the presence of a person within a predetermined solid angle range.

  The human detection unit 8 is disposed on the inclined surface 6 a on the lower side of the case body 6. As a result, the range that can be detected by the human detection unit 8 is wide. In addition, this inclined surface 6a inclines so that it may go to the door 100 side as it goes to the downward side of the case body 6. FIG.

  The apparatus main body 2 includes a power supply unit 11 for supplying power to the apparatus. In the present embodiment, the apparatus main body 2 is supplied with power by a dry battery (not shown). And the power supply part 11 is provided with the concave battery connection part 11a connected to a dry battery by inserting a dry battery, and the cover 11b which can be attached or detached to the case body 6 and covers the battery connection part 11a. The power supply unit 11 may be configured to be, for example, a cable and an outlet plug so as to be supplied with power from an AC power supply.

  The apparatus main body 2 includes an output unit 12 that outputs various types of information. The output unit 12 includes a display output unit 12a that visually outputs information toward the outside, and a sound output unit 12b that outputs information audibly toward the outside. In the present embodiment, the display output unit 12 a is an indicator lamp, and the sound output unit 12 b is a buzzer (not shown) housed inside the case body 6.

  The apparatus main body 2 also includes an input unit 13 for inputting various information. The input unit 13 cancels a state in which the power input unit 13a for inputting a power on / off instruction, a setting input unit 13b for inputting a detection setting time instruction, and the output unit 12 are outputting. And a release input unit 13c for inputting an instruction to do so. In the present embodiment, the power input unit 13a and the release input unit 13c are respectively push button switches, and the setting input unit 13b is a selection switch.

  The input unit 13 may be configured to input a plurality of pieces of input information among the input information of the input units 13a to 13c with one switch. For example, the input unit 13 may have a configuration in which one switch has the functions of the power input unit 13a and the setting input unit 13b, and one switch has all the functions of the input units 13a to 13c. It may be configured to be.

  As shown in FIGS. 4 and 6 to 7, the light guide 3 is formed in a flat plate shape. The light guide 3 may be formed in a film shape or a paper shape. Moreover, the light guide 3 has elasticity. One end of the light guide 3 is housed inside the case body 6, and the other end 3 a of the light guide 3 is disposed between the door 100 and the sandwiching body 4.

  The light guide 3 propagates the light emitted from the light source 9 and emits the light from the portion 3 a disposed outside the door 100. Specifically, the light guide 3 receives light emitted from the light source 9, diffuses the light over the whole, and emits the light from the whole to the outside. For example, the light guide 3 is made of silicone rubber or the like.

  And the clamping body 4 has translucency. Thereby, the light emitted from the light guide 3 to the outside from the other end (specifically, the portion sandwiched between the sandwiching body 4 and the door 100) 3a is transmitted through the sandwiching body 4, It is discharged to the outside of the sandwiching body 4. Therefore, the light emitted from the light source 9 disposed inside the door 100 is emitted outside the abnormality detection apparatus 1 outside the door 100 via the light guide 3 and the sandwiching body 4.

  The connection body 5 is formed in a plate shape, and is formed by bending at two locations. And the connection body 5 is arrange | positioned along the upper surface and outer surface of the door 100. FIG. Further, the connecting body 5 includes a concave accommodating portion 5 c that accommodates the light guide 3. The accommodating portion 5 c extends along the longitudinal direction of the connection body 5 and is disposed at the center in the short direction of the connection body 5. Thereby, the light guide 3 accommodated in the accommodating portion 5 c is disposed between the connecting body 5 and the door 100 and is in contact with the upper surface and the outer surface of the door 100.

  As illustrated in FIG. 8, the control unit 30 includes a storage unit 30 a that stores various types of information (for example, a set time input by the setting input unit 13 b) and a calculation unit 30 b that calculates various types of information. . The control unit 30 also outputs a signal to the light source 9 to control the light source 9, and a display output control unit 30d to control the display output unit 12a by outputting a signal to the display output unit 12a. And a sound output control unit 30e that controls the sound output control unit 30e by outputting a signal to the sound output unit 12b.

  The calculation unit 30b calculates the time for the door detection unit 7 to detect the closed state of the door 100 and the person detection unit 8 to detect the presence of a person. And the calculating part 30b judges that it is abnormal when the said time continues exceeding the set time memorize | stored in the memory | storage part 30a.

  When the calculation unit 30b determines that an abnormality has occurred, the light source 9 emits light by being controlled by the light source control unit 30c, and the display output unit 12a is output by being controlled by the display output control unit 30d. The sound output unit 12b outputs (sounds) under the control of the sound output control unit 30e. In this state, when a release instruction is input to the release input unit 13c, the light source 9 stops emitting light and is controlled by the control units 30c to 30e. The units 12a and 12b stop outputting.

  Moreover, the abnormality detection apparatus 1 is provided with the electric power detection part 14 which detects that the electric power of the dry battery connected to the battery connection part 11a fell. Even when the power detection unit 14 detects a decrease in the power of the dry battery, the light source 9 emits light, the display output unit 12a outputs (lights), and the sound output unit 12b outputs (sounds). Such light emission and output are also stopped when a cancellation instruction is input to the cancellation input unit 13c.

  Note that the control unit 30 changes the light emission of the light source 9 and the output method of the output unit 12 when the calculation unit 30b determines that the abnormality is detected and when the power detection unit 14 detects a decrease in power of the dry battery. The structure of controlling the light source 9 and each output part 12a, 12b may be sufficient. For example, the control unit 30 causes the light source 9 to emit light and not output the output units 12a and 12b while the power detection unit 14 detects a decrease in the power of the dry battery. The structure of controlling 12b may be sufficient.

  As described above, the abnormality detection device 1 according to the present embodiment is the abnormality detection device 1 attached to the door 100, and includes the door detection unit 7 that detects the open / closed state of the door 100 and one side of the door 100 (specifically Specifically, a person detection unit 8 that is arranged on the inner side and detects the presence of a person on one side of the door 100, and the door detection unit 7 detects the closed state of the door 100 and the person detection unit 8 Includes a control unit 30 that determines that there is an abnormality when detecting the presence of a person.

  According to such a configuration, the door detection unit 7 detects the open / closed state of the door 100, and the person detection unit 8 arranged on one side of the door 100 detects the presence of a person on one side of the door 100. doing. When the door detection unit 7 detects the closed state of the door 100 and the person detection unit 8 detects the presence of a person, the control unit 30 determines that there is an abnormality. Thereby, the abnormal state (for example, abnormal state where a person fell down in the toilet, etc.) that the door 100 is closed and the presence of the person can be notified to the outside, for example.

  On the other hand, a state in which the presence of a person is continued by opening the door 100 (for example, a state in which a person checks or cleans the toilet), or a state in which no person is present by closing the door 100 (that is, In a state where there is no person, the control unit 30 does not determine that there is an abnormality. Thus, an abnormal state can be detected accurately.

  Further, in the abnormality detection device 1 according to the present embodiment, the control unit 30 has a time during which the door detection unit 7 detects the closed state of the door 100 and the person detection unit 8 detects the presence of a person. The configuration is such that it is determined as abnormal when it continues beyond the set time.

  According to such a configuration, when the time that the door detection unit 7 detects the closed state of the door 100 and the person detection unit 8 detects the presence of a person continues beyond the set time, the control unit 30 Judge as abnormal. Thereby, the control unit 30 does not determine that the door 100 is closed and a person is present, but does not determine that the state is abnormal, and determines that the state is abnormal when the state continues. Thereby, an abnormal state can be detected accurately.

  Moreover, the abnormality detection device 1 according to the present embodiment is disposed on one side of the door 100 and emits light when the control unit 30 determines that there is an abnormality, and from one side of the door 100 to the other side. A light guide 3 that is disposed over (specifically, the outside) and emits the light emitted from the light source 9 to the outside through a portion 3a disposed at least on the other side of the door 100. , Comprising.

  According to such a configuration, the light source 9 arranged on one side of the door 100 emits light when the control unit 30 determines that it is abnormal. And the light guide 3 arrange | positioned ranging from the one side to the other side of the door 100 propagates the light which the light source 9 emits inside, and is light to the exterior from the part 3a arrange | positioned at least on the other side of the door 100. Release. Thereby, it is possible to notify the other side of the door 100 of an abnormal state in which the door 100 is closed and a person is continuously present on one side of the door 100.

  Further, the abnormality detection device 1 according to the present embodiment is disposed on one side of the door 100, the case body 6 that houses the light source 9 and one end of the light guide 3, and the other side of the door 100. And a coupling body 4 that cooperates with the case body 6 to sandwich the other end portion 3a of the light guide 3 and the door 100, and connects the case body 6 and the sandwiching body 4 to each other. And the connecting body 5 includes a concave accommodating portion 5c that accommodates the light guide 3 between the door 100, and the sandwiching body 4 includes the light guide 3 at the other end. It is the structure of having translucency so that the light emitted to the exterior from 3a may be permeate | transmitted.

  According to such a configuration, the connecting body 5 connects the case body 6 disposed on one side of the door 100 and the holding body 4 disposed on the other side of the door 100. And the case body 6 accommodates the light source 9 and the one end part of the light guide 3, and the connection body 5 accommodates the light guide 3 between the doors 100 by the concave accommodating part 5c, and is a clamping body. 4, in cooperation with the case body 6, sandwiches the other end 3 a of the light guide 3 and the door 100.

  Thereby, the light guide 3 is disposed along the surface of the door 100. And since the clamping body 4 has translucency, the light discharge | released from the other end part 3a of the light guide 3 permeate | transmits the clamping body 4, and is discharge | released outside the clamping body 4. FIG. Therefore, the light guide 3 can be held along the surface of the door 100, and an abnormal state in which a person is present on one side of the door 100 with the door 100 closed is notified to the other side of the door 100. be able to.

  Moreover, the abnormality detection device 1 according to the present embodiment includes a case body 6 disposed on one side and the upper side of the door 100, and the case body 6 includes an inclined surface 6a on the lower side, and the person The detection unit 8 is a human sensor and is configured to be disposed on the inclined surface 6a.

  According to such a configuration, the case body 6 disposed on one side and the upper side of the door 100 includes the inclined surface 6a on the lower side. And the human detection part 8 which is a human sensitive sensor is arrange | positioned at the inclined surface 6a. Thereby, the range which can be detected with the person detection part 8 can be made wide.

  Note that the abnormality detection device is not limited to the configuration of the above-described embodiment, and is not limited to the above-described effects. Of course, the abnormality detection device can be variously modified without departing from the gist of the present invention. For example, it is needless to say that configurations, methods, and the like according to various modifications described below may be arbitrarily selected and employed in the configurations, methods, and the like according to the above-described embodiments.

  The abnormality detection device 1 according to the embodiment is configured to be attached to the inner opening door 100. However, the abnormality detection device is not limited to such a configuration. For example, as illustrated in FIG. 9, the abnormality detection device 10 may be configured to be attached to the outer opening door 100.

  In FIG. 9, the right side with respect to the door 100 is the inside (for example, inside the room), and the left side with respect to the door 100 is the outside (for example, the outside of the room). The fixed wall 200 includes a door stop 202 that hits the inside (one side) of the door 100. The door stop 202 protrudes downward and prevents the door 100 from opening inward.

  An abnormality detection device 10 according to FIG. 9 includes a device body 2, a light guide 3, and a sandwiching body 4 according to the above embodiment, and a connection body 50 having a configuration different from that of the connection body 5 according to the above embodiment. Yes. One end of the connecting body 50 is inserted into the apparatus main body 2 and fixed to the apparatus main body 2 with a fixture (not shown), and the other end of the connecting body 50 is inserted into the holding body 4. The fixing member 50b is fixed to the holding body 4.

  The abnormality detection device 10 is attached to the door 100 by holding the door 100 between the device main body 2 and the holding body 4. One end of the connection body 50 is disposed below the other end of the connection body 50, and the upper end of the apparatus main body 2 is disposed below the upper end of the door 100. This prevents the apparatus main body 2 from hitting the door stop 202. In addition, the connection body 50 is formed in plate shape, and is formed by bending at one place. And the connection body 50 is arrange | positioned along the upper surface and inner surface of the door 100. FIG.

  Moreover, in the abnormality detection apparatus 1 according to the above embodiment, when the control unit 30 determines that there is an abnormality, the light source 9 emits light, and the light guide 3 transmits the light from the light source 9 to the other side (outside) of the door 100. In addition, each output unit 12a, 12b outputs on one side (inside) of the door 100. However, the abnormality detection device is not limited to such a configuration.

  For example, in the abnormality detection device, when the control unit 30 determines that there is an abnormality, the light source 9 emits light, and the light guide 3 notifies the other side (outside) of the light source 9 while each output A configuration in which the units 12a and 12b do not output may be used. Further, for example, in the abnormality detection device, when the control unit 30 determines that there is an abnormality, at least one of the output units 12a and 12b outputs on one side (inside) of the door 100, while the light source 9 does not emit light. It may be configured as follows.

  Furthermore, for example, the abnormality detection device includes an output unit that performs visual and auditory output on the other side of the door 100, and the control unit 30 can perform wired or wireless (radio wave or the like) when determining that there is an abnormality. ), The output unit may be controlled to output. That is, the abnormality detection device may be configured not to include the light guide 3 and the light source 9.

  Further, for example, the abnormality detection device includes an output unit that outputs (transmits) an abnormality signal to a central monitoring room or the like at a remote location by wire or wireless when the control unit 30 determines that an abnormality has occurred. It may be configured. That is, the abnormality detection device may be configured such that when the control unit 30 determines that there is an abnormality, the abnormality detection device does not perform visual or auditory output.

  In addition, the abnormality detection device 1 according to the above-described embodiment has a configuration in which the device main body 2 and the sandwiching body 4 connected by the connecting body 5 are attached to the door 100 by sandwiching the door 100. However, the abnormality detection device is not limited to such a configuration. For example, the abnormality detection device may include a device main body 2 and a fixing mechanism that fixes the device main body 2 to the door 100. In other words, the abnormality detection device may be configured not to include the sandwiching body 4 and the connecting body 5.

  Moreover, in the abnormality detection apparatus 1 which concerns on the said embodiment, it is the structure that the door detection part 7 is a magnet sensor. However, the abnormality detection device is not limited to such a configuration. For example, in the abnormality detection device, the door detection unit may be a touch sensor that comes into contact with the fixed wall 200 when the door 100 is in the closed state, and emits detection light to the fixed wall 200. The configuration may be a photoelectric sensor that receives and detects detection light reflected on a fixed reflection mirror or fixed wall 200.

  Moreover, in the abnormality detection apparatus 1 which concerns on the said embodiment, it is the structure that the door detection part 7 is arrange | positioned at the one side (inner side) of the door 100. FIG. However, the abnormality detection device is not limited to such a configuration. For example, in the abnormality detection device, the door detection unit 7 may be arranged on the other side (outside) of the door 100. For example, the structure that the door detection part 7 is provided in the clamping body 4 may be sufficient.

  Moreover, in the abnormality detection apparatus 1 which concerns on the said embodiment, it is the structure that the person detection part 8 is a human sensitive sensor. However, the abnormality detection device is not limited to such a configuration. For example, in the abnormality detection apparatus, the person detection unit 8 may be configured to be a sound detection sensor that detects a person by detecting sounds such as voices and sounds.

  Moreover, in the abnormality detection apparatus 1 which concerns on the said embodiment, the case body 6 is provided with the inclined surface 6a below, and the person detection part 8 is a structure arrange | positioned at the inclined surface 6a. However, the abnormality detection device is not limited to such a configuration. For example, in the abnormality detection device, the case body 6 may have a configuration in which the inclined surface 6a is not provided, and the human detection unit 8 may be disposed on the side surface of the case body 6 or the like.

  Moreover, in the abnormality detection apparatus 1 which concerns on the said embodiment, the connection body 5 is the structure that it is arrange | positioned so that the upper surface of the door 100 may be contact | connected. However, the abnormality detection device is not limited to such a configuration. For example, in the abnormality detection device, the connection body 5 may be configured to be in contact with the side surface of the door 100.

  Moreover, in the abnormality detection apparatus 1 which concerns on the said embodiment, it is the structure that the case body 6 is arrange | positioned above the door 100. FIG. However, the abnormality detection device is not limited to such a configuration. For example, in the abnormality detection device, the case body 6 may be configured to be disposed at an intermediate portion or a lower side of the door 100 in the vertical direction.

  Moreover, the abnormality detection device 1 according to the above-described embodiment is attached to the toilet door 100 and is used for detecting an abnormal state such as a person falling down in the toilet, for example. However, the abnormality detection device is not limited to such an application. For example, the abnormality detection device can be installed on a door in another place, or installed on the door for other purposes.

  For example, the abnormality detection device may be attached to a public toilet or a toilet door in a store and used to detect an abnormal state in which a person is lurking in the toilet. Further, for example, the abnormality detection device may be attached to a bathroom door and used to detect an abnormal state such as a person falling down in the bathroom. Furthermore, for example, the abnormality detection device may be attached to a front door and used to detect an abnormal state in which a person is staying outside the front door.

  Further, in the abnormality detection device 1 according to the above-described embodiment, the control unit 30 exceeds the set time for the door detection unit 7 to detect the closed state of the door 100 and the human detection unit 8 to detect the presence of a person. When it continues, it is the structure of judging that it is abnormal. However, the abnormality detection device is not limited to such an application.

  For example, in the abnormality detection device, the control unit 30 immediately determines that there is an abnormality when the door detection unit 7 detects the closed state of the door 100 and the person detection unit 8 detects the presence of a person. But you can. The abnormality detection device having such a configuration is attached to the door 100 of a place where a person should not be confined inside (for example, a freezer room, a refrigerator room, a storage room, a warehouse, etc.), It may be used for detecting an abnormal state in which the door 100 is closed.

DESCRIPTION OF SYMBOLS 1,10 ... Abnormality detection apparatus, 2 ... Apparatus main body, 3 ... Light guide, 3a ... Other end part, 4 ... Holding body, 5,50 ... Connection body, 5a, 5b, 50b ... Fixing tool, 5c ... Accommodating part , 6 ... Case body, 6a ... Inclined surface, 7 ... Door detection part, 8 ... Human detection part, 9 ... Light source, 11 ... Power supply part, 11a ... Battery connection part, 11b ... Cover, 12 ... Output part, 12a ... Display Output unit, 12b ... Sound output unit, 13 ... Input unit, 13a ... Power input unit, 13b ... Setting input unit, 13c ... Release input unit, 14 ... Power detection unit, 20 ... Detected object, 30 ... Control unit, 30a ... Storage unit, 30b ... Calculation unit, 30c ... Light source control unit, 30d ... Display output control unit, 30e ... Sound output control unit, 100 ... Door, 200 ... Fixed wall, 201 ... Opening, 202 ... Door stop

Claims (5)

An abnormality detection device attached to a door,
A door detector for detecting the open / closed state of the door;
A person detection unit arranged on one side of the door and detecting the presence of a person on one side of the door;
An abnormality detection apparatus comprising: a control unit that determines that an abnormality occurs when the door detection unit detects a closed state of the door and the person detection unit detects the presence of a person.   The said control part judges that it is abnormal when the time for which the said door detection part detects the closed state of the said door and the said person detection part detects presence of a person continues exceeding setting time. The abnormality detection device described in 1. A light source that is disposed on one side of the door and emits light when the control unit determines that it is abnormal;
A light guide that is arranged from one side of the door to the other side, and that emits light emitted from the light source and emits the light to the outside from at least a portion arranged on the other side of the door. Item 3. An abnormality detection device according to item 1 or 2. A case body disposed on one side of the door and containing the light source and one end of the light guide;
A sandwiching body disposed on the other side of the door and sandwiching the other end of the light guide and the door in cooperation with the case body;
A coupling body for coupling the case body and the sandwiching body,
The coupling body includes a concave housing portion that houses the light guide body between the door and the door,
The abnormality detection device according to claim 3, wherein the sandwiching body has translucency so as to transmit light emitted from the other end portion to the outside by the light guide. A case body disposed on one side and above the door;
The case body includes an inclined surface on the lower side,
The abnormality detection device according to claim 1, wherein the human detection unit is a human sensor and is disposed on the inclined surface.

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