JP2022010976A - Disaster prevention monitoring panel - Google Patents

Abstract

To provide a disaster prevention monitoring panel capable of making a call without blocking hands with a person on an external apparatus side such as a fire transmitter.SOLUTION: With a disaster prevention monitoring panel 100, a support member 21 detachably supports a handset 90. A telephone jack 19 is provided with a housing 10 and a plug 97 of the handset 90 is connected. A first microphone 31 is provided with the housing 10 and converts sound into a signal. A first speaker 41 converts the signal received from the first microphone 31 into sound to output it. A second microphone 32 is arranged at a position different from the first microphone 31 and converts sound into a signal. The second speaker 42 is provided with the housing 10 and converts the signal received from the second microphone into sound to output it. The support member 21 supports the handset 90 such that a microphone 911 of the handset 90 faces the first speaker and a speaker 921 of the handset 90 faces the second microphone 32.SELECTED DRAWING: Figure 5

Description

This disclosure relates to a disaster prevention monitoring board.

A disaster prevention monitoring board that receives information from a plurality of fire detectors and a plurality of fire transmitters installed in each caution area is known. The disaster prevention monitoring panel operates based on the information received from the fire detector and the fire transmitter. Further, in order to make a call between the person on the fire transmitter side and the person on the disaster prevention monitoring board side, a handset is provided for each of the fire transmitter and the disaster prevention monitoring board. When the handset plug is plugged into the telephone jack provided on the fire transmitter, the disaster prevention monitoring panel outputs a ringing tone. Then, by inserting the plug of the handset into the telephone jack provided on the disaster prevention monitoring panel, a call can be made. For example, Patent Document 1 describes an example of a handset.

Japanese Unexamined Patent Publication No. 2001-222777

However, when making a call between the fire transmitter and the disaster prevention monitoring panel, it is necessary to hold the handset by hand, which closes the hand. For this reason, a disaster prevention monitoring board that can talk to a person on the fire transmitter side without blocking the hand is desired. Even if it is a disaster prevention monitoring board that can make hands-free calls, it is necessary to keep holding the handset when switching from a handset call to a hands-free call. A disaster prevention monitoring board that allows you to make calls without blocking your hands is desired.

The present disclosure has been made in view of the above problems, and an object of the present disclosure is to provide a disaster prevention monitoring panel capable of talking with a person on the side of an external device such as a fire transmitter without blocking the hands.

In order to achieve the above object, the disaster prevention monitoring board of the present disclosure is a disaster prevention monitoring board that receives a fire signal from a fire detector installed in a caution area and also receives a call signal from the outside. A housing including a receiving unit for receiving the fire signal and the call signal, a support member attached to the housing to detachably support the handset, and a plug of the handset provided in the housing. A telephone jack to which the microphone is connected, a first microphone provided in the housing for converting sound into a signal, a first speaker for converting a signal received from the first microphone into sound and outputting the first microphone, and the first microphone. A second microphone, which is arranged at a position different from the above and converts sound into a signal, and a second speaker provided in the housing and converting a signal received from the second microphone into sound and outputting the sound are provided. The support member supports the handset so that the microphone of the handset faces the first speaker and the speaker of the handset faces the second microphone.

As a result, when the handset is attached to the support member, the voice of a person around the disaster prevention monitoring panel is transmitted to the microphone of the handset via the first microphone and the first speaker. The sound input to the microphone of the handset is transmitted to an external device such as a fire transmitter. Further, the sound output from the speaker of the handset is picked up by the second microphone and output from the second speaker. As a result, the voice of a person on the side of an external device such as a fire transmitter can be heard by people in the vicinity of the disaster prevention monitoring board. Therefore, the disaster prevention monitoring panel of the present disclosure can talk to a person on the side of an external device such as a fire transmitter without blocking the hand (hands-free call is possible). In addition, you can talk without closing your hands without storing the handset in the case inside the disaster prevention monitoring panel from the state where you have the handset in your hand (you can talk hands-free).

As a desirable embodiment of the disaster prevention monitoring board, the disaster prevention monitoring board includes a detection device for detecting that the handset is attached to the support member, and a control device for receiving information from the detection device. The control device stops the output of the first speaker and the second speaker when the detection device does not detect that the handset is attached to the support member.

As a result, it is possible to prevent the first speaker and the second speaker from outputting unnecessary sounds when the handset is held by hand to make a call. The disaster prevention monitoring panel of the present disclosure can reduce noise when talking by holding the handset by hand. In addition, depending on whether or not the handset is attached to the housing, it is possible to switch between holding the handset by hand and making a hands-free call. Therefore, the call method can be switched intuitively.

The disaster prevention monitoring board of another aspect of the present disclosure is a disaster prevention monitoring board that receives a fire signal from a fire detector installed in a caution area and also receives a call signal from the outside, and includes a handset and the fire signal. It includes a housing which is a magnetic material including a receiving unit for receiving the call signal, and a case which can accommodate the handset and has a magnet on the side surface.

This makes it possible to place the handset in a case attached to the housing when the handset needs to be temporarily removed from the hand while using the handset. Therefore, the disaster prevention monitoring panel of the present disclosure can suppress deterioration of workability in inspection work and the like. Also, when the handset is not in use, the case can be easily removed from the housing and placed inside the housing. Therefore, when the handset is not in use, it is possible to prevent the case and the handset from interfering with the operation of the disaster prevention monitoring panel.

The disaster prevention monitoring panel of the present disclosure can talk to a person on the side of an external device such as a fire transmitter without blocking the hand.

FIG. 1 is a front view of the disaster prevention monitoring board of the first embodiment. FIG. 2 is a right side view of the disaster prevention monitoring board of the first embodiment. FIG. 3 is a front view of the case and the handset of the first embodiment. FIG. 4 is a plan view of the periphery of the case of the first embodiment. FIG. 5 is a schematic diagram of the disaster prevention monitoring board of the first embodiment. FIG. 6 is a schematic diagram of the disaster prevention monitoring board of the second embodiment. FIG. 7 is a perspective view of the case of the third embodiment. FIG. 8 is a right side view of the disaster prevention monitoring board of the third embodiment.

Hereinafter, the present invention will be described in detail with reference to the drawings. The present invention is not limited to the embodiments for carrying out the following inventions (hereinafter referred to as embodiments). Further, the components in the following embodiments include those that can be easily assumed by those skilled in the art, those that are substantially the same, and those that are in a so-called equal range. Further, the components disclosed in the following embodiments can be appropriately combined.

(First Embodiment)
FIG. 1 is a front view of the disaster prevention monitoring board of the first embodiment. The disaster prevention monitoring panel 100 of the first embodiment is a so-called P-type receiving unit in which a sensor line is pulled out for each warning area and a fire occurrence location is specified for each warning area. The disaster prevention monitoring panel 100 receives fire signals from a plurality of fire detectors and a plurality of fire transmitters installed in each caution area. The disaster prevention monitoring panel 100 operates based on the fire signal received from the fire detector and the fire transmitter. Specifically, the disaster prevention monitoring panel 100 displays information for identifying the warning area where the fire is detected and sounds an alarm based on the fire detection of the fire detector or the short circuit of the detector line due to the operation of the fire transmitter. .. The disaster prevention monitoring panel 100 is connected to a plurality of fire detectors and a plurality of fire transmitters installed in one warning area via one common detector line.

FIG. 2 is a right side view of the disaster prevention monitoring board of the first embodiment. FIG. 3 is a front view of the case and the handset of the first embodiment. FIG. 4 is a plan view of the periphery of the case of the first embodiment. FIG. 5 is a schematic diagram of the disaster prevention monitoring board of the first embodiment. As shown in FIGS. 1 to 4, the disaster prevention monitoring board 100 includes a housing 10, a handset 90, a support member 21, a case 200, and a case support member 210.

As shown in FIG. 2, the housing 10 includes a main body 11 and a door 13. The main body 11 has a substantially rectangular parallelepiped shape. The main body 11 is internally provided with a receiving unit or the like that receives a fire signal from a fire detector and a fire transmitter and also receives a call signal from an external device such as a fire transmitter (hereinafter referred to as a fire transmitter or the like). The door 13 is arranged so as to close the opening of the main body 11. The door 13 can be opened and closed with respect to the main body 11. The door 13 is supported by the main body 11 via a hinge. The hinge is arranged on the right side when the housing 10 is viewed from the front. The door 13 can rotate about the rotation axis of the hinge (rotation axis in the vertical direction). The door 13 includes a display unit 14.

In the following description, the right side (right side on the paper in FIG. 1) when the housing 10 is viewed from the front is simply described as the right side. The left side (left side on the paper in FIG. 1) when the housing 10 is viewed from the front is simply described as left side. The upper part when the housing 10 is viewed from the front (the upper part on the paper in FIG. 1) is simply described as the upper part. The lower part (lower part on the paper in FIG. 1) when the housing 10 is viewed from the front is simply described as lower upper part. The left-right direction when the housing 10 is viewed from the front is simply described as the width direction.

As shown in FIG. 1, the display unit 14 displays various information according to the fire signal received from the fire detector and the fire transmitter. A district display unit 15, a type display unit 16, and an operation display unit 17 are provided. The district display unit 15 is a device that indicates in which district the abnormality has occurred based on the fire signal received from the fire detector and the fire transmitter. The district display unit 15 includes a plurality of district windows corresponding to each district. For example, the district display unit 15 includes 20 district windows arranged in 4 rows and 5 columns. When a fire signal is received from a fire detector or fire transmitter, the lamp of the district window corresponding to the district where the abnormality has occurred lights up. The type display unit 16 displays the type and the like of the abnormality that has occurred in the district. The type display unit 16 is arranged below the district display unit 15. The operation display unit 17 displays an operation or the like to be performed according to the situation. The operation display unit 17 is arranged below the type display unit 16.

The handset 90 is a device for talking with a person on the side of a fire transmitter or the like. The handset 90 is housed in the case 200 when not in use. The handset 90 includes a handset 91, a handset 92, a connecting unit 93, a plug 97, and a cable 99. The transmission unit 91 includes a microphone 911 that converts the input sound into a call signal and transmits it. The call signal transmitted from the microphone 911 is received by a fire transmitter or the like, converted into sound, and output. The receiving unit 92 includes a speaker 921 that converts a call signal received from a fire transmitter or the like into sound and outputs it. The connecting unit 93 connects the transmitting unit 91 and the receiving unit 92. The plug 97 is connected to the housing 10. The plug 97 is, for example, a pin plug. When making a call through the handset 90, the plug 97 is plugged into the telephone jack 19. The cable 99 connects the transmitting unit 91 and the receiving unit 92 to the plug 97.

The support member 21 is provided in front of the door 13. The support member 21 detachably supports the handset 90. For example, the handset 90 is positioned by being hooked on the support member 21. As shown in FIG. 5, the support member 21 supports the handset 90 so that the microphone 911 of the transmitting unit 91 faces the first speaker 41 and the speaker 921 of the receiving unit 92 faces the second microphone 32. .. FIG. 1 shows a state in which the handset 90 is attached to the support member 21 and the plug 97 is inserted into the telephone jack 19.

The case 200 is a hollow member that can accommodate the handset 90. For example, the case 200 has a substantially rectangular parallelepiped shape with one surface open. The opening of the case 200 faces upward. The handset 90 can be inserted from above the case 200. The case 200 can accommodate the handset 90 as shown by the alternate long and short dash line in FIG. The case 200 is arranged inside the housing 10. That is, the case 200 is arranged on the back side of the door 13.

The case support member 210 supports the case 200. The case support member 210 is arranged inside the main body 11 of the housing 10. The case support member 210 is, for example, a hinge. The case 200 and the case support member 210 are arranged on the opposite side in the width direction with respect to the hinge supporting the door 13. The case 200 and the case support member 210 are arranged in the lower left corner as shown in FIG. The case 200 can rotate about the rotation axis (rotation axis in the vertical direction) of the case support member 210.

When the door 13 is closed, the door 13 is in contact with the case 200. With the door 13 closed, the case support member 210 pushes the case 200 toward the door 13 (toward the outside of the main body 11). Since the case support member 210 pushes the case 200, when the door 13 is opened, the case 200 moves toward the outside of the main body 11 as shown in FIG. The case 200 automatically exits from the main body 11 when the door 13 is opened. The alternate long and short dash line in FIG. 4 shows the case 200 and the door 13 when the door 13 is opened.

As shown in FIG. 5, the disaster prevention monitoring board 100 includes a telephone jack 19, a first microphone 31, a first speaker 41, a first switch 51, a first amplifier 53, a second microphone 32, and a second microphone. It includes a speaker 42, a second switch 55, a second amplifier 57, a detection device 61, and a control device 63.

The telephone jack 19 is a hole provided in the door 13. The plug 97 of the handset 90 is inserted into the telephone jack 19. As shown in FIG. 1, the telephone jack 19 is arranged on the operation display unit 17. When the plug 97 is inserted into the telephone jack 19, a state is formed in which the handset 90 of the disaster prevention monitoring panel 100 and the fire transmitter or the like are connected via a telephone line. FIG. 1 shows a state in which a call can be made between the handset 90 of the disaster prevention monitoring panel 100 and the fire transmitter or the like. As a result, a call can be made between the handset 90 of the disaster prevention monitoring panel 100 and the fire transmitter or the like.

The first microphone 31 converts the input sound into a signal. The first microphone 31 is a sound collector that picks up the voices of people around the disaster prevention monitoring board 100. As shown in FIG. 1, the first microphone 31 is provided on the door 13. The first microphone 31 is arranged at the left end of the operation display unit 17.

The first speaker 41 converts the signal received from the first microphone 31 into sound and outputs it. The first speaker 41 is provided on the door 13. The first speaker 41 is arranged outside the display unit 14. The first speaker 41 faces the inner surface of the door 13. An opening for passing sound is provided in the portion of the door 13 facing the first speaker 41. The first speaker 41 faces the microphone 911 of the handset 90 in a state where the handset 90 is attached to the housing 10 via the support member 21. The first speaker 41 outputs sound toward the microphone 911.

The first switch 51 is arranged between the first microphone 31 and the first speaker 41. The first switch 51 switches between a state in which the first microphone 31 and the first speaker 41 are electrically connected and a state in which the first speaker 41 is electrically disconnected.

The first amplifier 53 is arranged between the first microphone 31 and the first speaker 41. The first amplifier 53 amplifies the signal received from the first microphone 31 and transmits it to the first speaker 41. The first amplifier 53 may be arranged on the first microphone 31 side or on the first speaker 41 side with respect to the first switch 51.

When the first switch 51 is in the ON state (the state in which the first microphone 31 and the first speaker 41 are electrically connected), the sound input to the first microphone 31 is amplified by the first amplifier 53. After that, it is output from the first speaker 41. When the first switch 51 is in the ОFF state (the state in which the first microphone 31 and the first speaker 41 are electrically cut off), no sound is output from the first speaker 41.

The second microphone 32 converts the input sound into a signal. The second microphone 32 is provided on the door 13. The second microphone 32 is arranged outside the display unit 14. The second microphone 32 faces the inner surface of the door 13. The portion of the door 13 facing the second microphone 32 is provided with an opening for passing sound. The second microphone 32 faces the speaker 921 of the handset 90 in a state where the handset 90 is attached to the housing 10 via the support member 21. The second microphone 32 is a sound collector that picks up the sound output from the speaker 921.

The second speaker 42 converts the signal received from the second microphone 32 into sound and outputs it. The second speaker 42 is provided on the door 13. As shown in FIG. 1, the second speaker 42 is arranged at the right end portion (right side of the type display unit 16) of the display unit 14. The second speaker 42 is arranged at the end opposite to the first microphone 31 in the width direction. The second speaker 42 faces the inner surface of the door 13. An opening for passing sound is provided in the portion of the door 13 facing the second speaker 42.

The second switch 55 is arranged between the second microphone 32 and the second speaker 42. The second switch 55 switches between a state in which the second microphone 32 and the second speaker 42 are electrically connected and a state in which the second speaker 42 is electrically disconnected.

The second amplifier 57 is arranged between the second microphone 32 and the second speaker 42. The second amplifier 57 amplifies the signal received from the second microphone 32 and transmits it to the second speaker 42. The second amplifier 57 may be arranged on the second microphone 32 side or on the second speaker 42 side with respect to the second switch 55.

When the second switch 55 is in the ON state (the state in which the second microphone 32 and the second speaker 42 are electrically connected), the sound input to the second microphone 32 is amplified by the second amplifier 57. After that, it is output from the second speaker 42. When the second switch 55 is in the ОFF state (the state in which the second microphone 32 and the second speaker 42 are electrically cut off), no sound is output from the second speaker 42.

The detection device 61 is a device that detects that the handset 90 is attached to the housing 10 via the support member 21 (the handset 90 is arranged at a predetermined position). In the state where the handset 90 is attached to the housing 10 via the support member 21, the microphone 911 of the handset 90 faces the first speaker 41 and the speaker 921 of the handset 90 faces the second microphone 32. Means the state. The detection device 61 is, for example, a photo interrupter. The detection device 61 includes a light emitting element and a light receiving element arranged to face each other. The detection device 61 detects that the handset 90 is arranged at a predetermined position when the light between the light emitting element and the light receiving element is blocked by the handset 90. The detection device 61 is not limited to the photo interrupter, and may be any device that can detect that the handset 90 is attached to the support member 21. For example, the detection device 61 may be a pressure sensor.

The control device 63 controls the first switch 51 and the second switch 55 based on the signal received from the detection device 61. The control device 63 is a computer. The control device 63 includes, for example, a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an interface (I / F), and the like. By linking the CPU, ROM, RAM, and interface (I / F), the CPU, ROM, RAM, and interface (I / F) are linked to control the first switch 51 and the second switch 55 of the control device 63. It will be realized by that.

When the detection device 61 detects that the handset 90 is arranged at a predetermined position, the control device 63 turns on the first switch 51 and the second switch 55. As a result, the first microphone 31 is electrically connected to the first speaker 41, and the second microphone 32 is electrically connected to the second speaker 42. When the detection device 61 does not detect that the handset 90 is arranged at a predetermined position, the control device 63 turns off the first switch 51 and the second switch 55. As a result, the first microphone 31 and the first speaker 41 are electrically cut off, and the second microphone 32 and the second speaker 42 are electrically cut off. That is, when the detection device 61 does not detect that the handset 90 is arranged at a predetermined position, the control device 63 stops the output of the first speaker 41 and the second speaker 42.

When the handset 90 does not make a call, the handset 90 is housed in the case 200 (placed inside the housing 10). When a call by the handset 90 is required, the handset 90 is taken out of the case 200 (taken out of the housing 10). Next, the plug 97 is connected to the telephone jack 19. As a result, a call can be made between the handset 90 of the disaster prevention monitoring panel 100 and the fire transmitter or the like. When making a call by holding the handset 90 by hand, the call is made with the handset 92 of the handset 90 in contact with the ear. When the handset 90 is held by hand, the first switch 51 and the second switch 55 are turned off, so that the outputs of the first speaker 41 and the second speaker 42 are stopped. Therefore, it is possible to make a call without being disturbed by the sounds of the first speaker 41 and the second speaker 42. On the other hand, in the case of hands-free communication, the handset 90 is hung on the support member 21 after the plug 97 is connected to the telephone jack 19. When the handset 90 is hung on the support member 21, the first switch 51 and the second switch 55 are turned on, so that sound is output from the first speaker 41 and the second speaker 42. Therefore, it is possible to make a call without holding the handset 90 by hand. The plug 97 may be connected to the telephone jack 19 after the handset 90 is hung on the support member 21.

The disaster prevention monitoring board 100 does not necessarily have to include the display unit 14 as described above. The model of the disaster prevention monitoring panel 100 is not particularly limited as long as it is electrically connected to the fire transmitter or the like and can make a call with the fire transmitter or the like. Further, the plug 97 does not necessarily have to be a pin plug. For example, the plug 97 may be a modular plug and the telephone jack 19 may be a modular jack.

The handset 90 does not necessarily have to be housed in the case 200 as described above when not in use. For example, the handset 90 may be hung on a hook or the like provided inside the housing 10 when not in use, or may be hung on the support member 21 with the plug 97 removed from the telephone jack 19. good.

As described above, the disaster prevention monitoring panel 100 of the first embodiment receives a fire signal from a fire detector installed in the caution area and also receives a call signal from the outside (fire transmitter or the like). It includes a handset 90, a housing 10, a support member 21, a telephone jack 19, a first microphone 31, a first speaker 41, a second microphone 32, and a second speaker 42. The housing 10 has a built-in receiving unit that receives a fire signal from a fire detector and a fire transmitter and also receives a call signal from a fire transmitter or the like. The support member 21 is attached to the housing 10 and supports the handset 90 in a detachable manner. The telephone jack 19 is provided in the housing 10 and the plug 97 of the handset 90 is connected to the telephone jack 19. The first microphone 31 is provided in the housing 10 and converts sound into a signal. The first speaker 41 converts the signal received from the first microphone 31 into sound and outputs it. The second microphone 32 is arranged at a position different from that of the first microphone 31 and converts sound into a signal. The second speaker 42 is provided in the housing 10 and converts a signal received from the second microphone into sound and outputs it. The support member 21 supports the handset 90 so that the microphone 911 of the handset 90 faces the first speaker and the speaker 921 of the handset 90 faces the second microphone 32.

As a result, when the handset 90 is attached to the support member 21, the voices of people around the disaster prevention monitoring panel 100 are transmitted to the microphone 911 of the handset 90 via the first microphone 31 and the first speaker 41. .. The sound input to the microphone 911 of the handset 90 is transmitted to a fire transmitter or the like. Further, the sound output from the speaker 921 of the handset 90 is picked up by the second microphone 32 and output from the second speaker 42. As a result, the voice of the person on the side of the fire transmitter or the like can be heard by the person in the vicinity of the disaster prevention monitoring board 100. Therefore, the disaster prevention monitoring board 100 of the first embodiment can talk to a person on the side of the fire transmitter or the like without blocking the hand (hands-free talk can be made). In addition, it is possible to make a call without closing the hand without storing the handset 90 in the case 200 in the disaster prevention monitoring board 100 from the state where the handset 90 is held (hands-free call is possible).

The disaster prevention monitoring panel 100 includes a detection device 61 for detecting that the handset 90 is attached to the support member 21, and a control device 63 for receiving information from the detection device 61. The control device 63 stops the output of the first speaker 41 and the second speaker 42 when the detection device 61 does not detect that the handset 90 is attached to the support member 21.

As a result, it is possible to prevent the first speaker 41 and the second speaker 42 from outputting unnecessary sounds when the handset 90 is held by hand for a call. The disaster prevention monitoring board 100 of the first embodiment can reduce noise when talking by holding the handset 90 by hand. Further, depending on whether or not the handset 90 is attached to the housing 10, it is possible to switch between holding the handset 90 by hand and making a hands-free call. Therefore, the call method can be switched intuitively.

The disaster prevention monitoring panel 100 receives a fire signal from a fire detector installed in the caution area and also receives a call signal from the outside (fire transmitter or the like). It includes a handset 90, a housing 10, a case 200, and a case support member 210. The housing 10 includes a main body 11 having a built-in receiving unit that receives a fire signal from a fire detector and a fire transmitter and also receives a call signal from a fire transmitter or the like, and a door 13 that can be opened and closed with respect to the main body 11. .. The case 200 is arranged inside the main body 11. The case 200 can accommodate the handset 90. The case support member 210 supports the case 200 so that the case 200 can rotate with respect to the main body 11. In the state where the door 13 is closed, the door 13 is in contact with the case 200, and the case support member 210 pushes the case 200 toward the outside of the main body 11.

As a result, since the case support member 210 pushes the case 200, when the door 13 is opened, the case 200 moves toward the outside of the main body 11. The case 200 automatically exits from the main body 11 when the door 13 is opened. Therefore, according to the disaster prevention monitoring board 100 of the first embodiment, the handset 90 housed in the case 200 can be easily taken out.

(Second Embodiment)
FIG. 6 is a schematic diagram of the disaster prevention monitoring board of the second embodiment. As shown in FIG. 6, the disaster prevention monitoring board 100A of the second embodiment includes a connecting member 23 and a handset 90A. The same components as those described in the above-described embodiment are designated by the same reference numerals, and duplicated description will be omitted.

The connecting member 23 connects the handset 90A and the housing 10. The connecting member 23 is provided in front of the door 13. The connecting member 23 detachably connects the handset 90 to the housing 10. For example, the handset 90A is attached to the housing 10 by being hooked on the connecting member 23. As shown in FIG. 6, the connecting member 23 can support the handset 90A and the housing 10 so that the back surface of the handset 90A faces the door 13.

The connecting member 23 may be provided on the handset 90A. For example, the connecting member 23 may be a magnet fixed to the back surface of the handset 90 with an adhesive or the like. Since the door 13 is made of a magnetic material such as iron, the connecting member 23, which is a magnet, can connect the handset 90A and the door 13. When the connecting member 23 is a magnet, the handset 90A can be attached to an arbitrary position on the door 13.

The handset 90A is a device for talking with a person on the side of a fire transmitter or the like. The handset 90A includes a transmission unit 91A, a reception unit 92A, a sound inhibition unit 59, a detection device 65, and a control device 67.

The transmission unit 91A converts the input sound into a signal and transmits the signal. As shown in FIG. 6, the transmission unit 91A of the handset 90A includes a microphone 33, a transmission unit 34, a first switch 56, and a first amplifier 58. The microphone 33 converts the input sound into a signal. The microphone 33 is a sound collector that picks up the voice of a person around the disaster prevention monitoring board 100 or a person holding the handset 90A. An opening for passing sound is provided in the portion of the transmitting unit 91A facing the microphone 33. The transmission unit 34 transmits the signal received from the microphone 33 to a fire transmitter or the like.

The first switch 56 is arranged between the microphone 33 and the transmission unit 34. The first switch 56 is a state in which the microphone 33 and the transmission unit 34 are electrically connected via the first amplifier 58, and the microphone 33 and the transmission unit 34 are electrically connected without the first amplifier 58. Switch between the done state and.

The first amplifier 58 is arranged between the microphone 33 and the transmission unit 34. The first amplifier 58 amplifies the signal received from the microphone 33 and transmits it to the transmission unit 34.

When the first switch 56 is in the ON state (the state in which the microphone 33 and the transmission unit 34 are electrically connected via the first amplifier 58), the signal of the microphone 33 is amplified by the first amplifier 58. , Is transmitted to the transmission unit 34. When the first switch 56 is in the ОFF state (the state in which the microphone 33 and the transmission unit 34 are electrically connected without the intervention of the first amplifier 58), the signal of the microphone 33 is transmitted to the transmission unit 34 without being amplified. Will be done.

The receiving unit 92A converts a signal received from a fire transmitter or the like into sound and outputs it. As shown in FIG. 6, the receiving unit 92A includes a call receiving unit 35, a speaker 44, a second switch 52, and a second amplifier 54.

The call receiving unit 35 receives a signal sent from a fire transmitter or the like. The speaker 44 converts the signal received from the call receiving unit 35 into sound and outputs it. The speaker 44 outputs sound toward the front of the disaster prevention monitoring board 100. An opening for passing sound is provided in the portion of the receiving unit 92A facing the speaker 44.

The second switch 52 is arranged between the call receiving unit 35 and the speaker 44. The second switch 52 has a state in which the call receiving unit 35 and the speaker 44 are electrically connected via the second amplifier 54, and the call receiving unit 35 and the speaker 44 are electrically connected without the second amplifier 54. Switch between connected to and.

The second amplifier 54 is arranged between the call receiving unit 35 and the speaker 44. The second amplifier 54 amplifies the signal received from the call receiving unit 35 and transmits it to the speaker 44.

When the second switch 52 is in the ON state (the state in which the call receiving unit 35 and the speaker 44 are electrically connected via the second amplifier 54), the signal received by the call receiving unit 35 is the second amplifier 54. After being amplified by, it is output as sound from the speaker 44. When the second switch 52 is in the ОFF state (the state in which the call receiving unit 35 and the speaker 44 are electrically connected without the intervention of the second amplifier 54), the signal received by the call receiving unit 35 is not amplified. It is output.

The sound inhibiting portion 59 is a member that protrudes from the connecting portion 93. The sound blocking unit 59 separates the space facing the transmitting unit 91A from the space facing the receiving unit 92A. More specifically, the space facing the transmitting unit 91A is a space facing a hole provided in the transmitting unit 91A for the microphone 33 to collect sound. The space facing the earpiece 92A is a space facing a hole provided in the earpiece 92A for passing the sound of the speaker 44. The sound blocking unit 59 is arranged so as to intersect a straight line passing through the microphone 33 and the speaker 44. The sound blocking unit 59 inhibits the transmission of sound between the microphone 33 and the speaker 44. The sound blocking portion 59 is made of a material that elastically deforms. For example, the sound blocking portion 59 is formed of bellows-folded rubber. When a person talks with the handset 90A, the sound blocking unit 59 is deformed by contact with the person. Therefore, the sound blocking unit 59 does not interfere with the operation of the call. When the handset 90A is attached to the housing 10, the sound blocking unit 59 blocks the transmission of sound between the microphone 33 and the speaker 44. This suppresses howling.

The detection device 65 is a device that detects that the handset 90A is attached to the housing 10. The detection device 65 is, for example, a pressure sensor. The detection device 65 detects that the handset 90A is attached to the housing 10 by detecting the reaction force received from the connecting member 23 or the housing 10. The detection device 65 is not limited to the pressure sensor.

The control device 67 controls the first switch 56 and the second switch 52 based on the signal received from the detection device 65. The control device 67 is a computer. The control device 67 includes, for example, a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an interface (I / F), and the like. By linking the CPU, ROM, RAM, and interface (I / F), the CPU, ROM, RAM, and interface (I / F) are linked to control the first switch 56 and the second switch 52 of the control device 67. It will be realized by that.

The control device 67 controls the first switch 56 and the second switch 52 based on the signal received from the detection device 65. When the detection device 65 detects that the handset 90A is attached to the housing 10, the control device 67 turns on the first switch 56 and the second switch 52. As a result, the microphone 33 is electrically connected to the transmitting unit 34 via the first amplifier 58, and the call receiving unit 35 is electrically connected to the speaker 44 via the second amplifier 54. When the detection device 65 does not detect that the handset 90A is attached to the housing 10, the control device 67 turns off the first switch 56 and the second switch 52. As a result, the microphone 33 is electrically connected to the transmitting unit 34 without going through the first amplifier 58, and the call receiving unit 35 is electrically connected to the speaker 44 without going through the second amplifier 54. That is, when the detection device 65 does not detect that the handset 90A is attached to the housing 10, the control device 67 amplifies the signal transmitted to the fire transmitter or the like, and receives the signal from the fire transmitter or the like. Stop signal amplification.

As described above, the disaster prevention monitoring board 100A of the second embodiment includes a handset 90A, a housing 10, and a telephone jack 19. The housing 10 has a built-in receiving unit that receives a signal from a fire transmitter or the like. The telephone jack 19 is provided in the housing 10 and the plug 97 of the handset 90A is connected to the telephone jack 19. The handset 90A includes a microphone 33 that converts an input sound into a signal, a first amplifier 58 that amplifies a signal received from the microphone 33, and a second amplifier 54 that amplifies a signal received from a fire transmitter or the like. It includes a speaker 44 that outputs a signal amplified by the second amplifier 54 as sound.

As a result, the voices of people around the disaster prevention monitoring panel 100A are transmitted to the fire transmitter and the like via the microphone 33 and the first amplifier 58. As a result, the voice of the person on the disaster prevention monitoring board 100A side can be heard by the person on the fire transmitter or the like side. Further, the signal received from the fire transmitter or the like is output as sound via the second amplifier 54 and the speaker 44. As a result, the voice of the person on the side of the fire transmitter or the like can be heard by the person in the vicinity of the disaster prevention monitoring board 100A. Therefore, the disaster prevention monitoring panel 100A of the second embodiment can make a call with a person on the side of the fire transmitter or the like without blocking the hand (hands-free call is possible).

The disaster prevention monitoring board 100A of the second embodiment includes a detection device 65 for detecting that the handset 90A is attached to the housing 10, and a control device 67 for receiving information from the detection device 65. The control device 67 stops the amplification of the signal by the first amplifier 58 and the second amplifier 54 when the detection device 65 does not detect that the handset 90A is attached to the housing 10.

As a result, when the handset 90 is held by hand to make a call, it is possible to prevent the handset 91A from sending an unnecessary sound to a fire transmitter or the like and the handset 92A from outputting an unnecessary sound. .. The disaster prevention monitoring board 100A of the second embodiment can reduce noise when talking by holding the handset 90A by hand.

In the disaster prevention monitoring board 100A of the second embodiment, the handset 90A has a connecting portion 93 that connects the transmitting unit 91A and the receiving unit 92A, and a space and a receiving unit that protrude from the connecting unit 93 and face the transmitting unit 91A. It is provided with a sound inhibiting portion 59 that separates the space facing the 92A.

As a result, the sound blocking unit 59 inhibits the transmission of sound between the microphone 33 and the speaker 44. Therefore, the disaster prevention monitoring panel 100A of the second embodiment can suppress howling caused by a short distance between the microphone 33 and the speaker 44.

(Third Embodiment)
FIG. 7 is a perspective view of the case of the third embodiment. FIG. 8 is a right side view of the disaster prevention monitoring board of the third embodiment. The same components as those described in the above-described embodiment are designated by the same reference numerals, and duplicated description will be omitted.

As shown in FIGS. 7 and 8, the disaster prevention monitoring board 100B includes a case 300. The case 300 includes a case body 310 and a magnet 320. The case body 310 is a hollow member that can accommodate the handset 90. For example, the case body 310 has a substantially rectangular parallelepiped shape with one surface open. The magnet 320 is arranged on the side surface of the case body 310. The magnet 320 is attached to the case body 310, for example, with an adhesive.

In the third embodiment, the housing 10 is made of a magnetic material such as iron. Therefore, by bringing the magnet 320 of the case 300 close to the housing 10, the case 300 comes into close contact with the surface of the housing 10. The case 300 can be attached to any position of the housing 10. For example, when the handset 90 needs to be temporarily removed from the hand while using the handset 90, the handset 90 is placed in the case 300 attached to the housing 10. When the handset 90 is not in use, the case 300 containing the handset 90 is placed inside the housing 10.

As described above, the disaster prevention monitoring panel 100B of the third embodiment receives a fire signal from a fire detector installed in the caution area and also receives a call signal from the outside (fire transmitter or the like). It can accommodate a handset 90, a housing 10 which is a magnetic material having a built-in receiver that receives a fire signal from a fire detector and a fire transmitter and also receives a call signal from a fire transmitter or the like, and a handset 90. A case 300 having a magnet 320 on the side surface is provided.

This makes it possible to place the handset 90 in the case 300 attached to the housing 10 when the handset 90 needs to be temporarily removed from the hand while using the handset 90. .. Therefore, the disaster prevention monitoring panel 100B of the third embodiment can suppress deterioration of workability in inspection work and the like. Further, when the handset 90 is not in use, the case 300 can be easily removed from the housing 10 and placed inside the housing 10. Therefore, when the handset 90 is not in use, it is possible to prevent the case 300 and the handset 90 from interfering with the operation of the disaster prevention monitoring panel 100 (display of the display unit 14, etc.).

10 Housing 11 Main unit 13 Door 14 Display unit 15 District display unit 16 Type display unit 17 Operation display unit 19 Telephone jack 21 Support member 23 Connection member 31 First microphone 32 Second microphone 33 Microphone 34 Transmitter 35 Call receiver 41 1 Speaker 42 Second speaker 44 Speaker 59 Sound obstruction unit 61 Detection device 63 Control device 65 Detection device 67 Control device 90, 90A Handset 91, 91A Handset 92, 92A Handset 93 Connection part 97 Plug 99 Cable 100, 100A , 100B Disaster prevention monitoring board 200 Case 210 Case support member 300 Case 310 Case body 320 Magnet 911 Microphone 921 Speaker

Claims (3)

It is a disaster prevention monitoring board that receives fire signals from fire detectors installed in the caution area and also receives call signals from the outside.
Handset and
A housing containing a receiver for receiving the fire signal and the call signal,
A support member attached to the housing and detachably supporting the handset,
A telephone jack provided in the housing and to which the plug of the handset is connected, and
A first microphone provided in the housing and converting sound into a signal,
The first speaker that converts the signal received from the first microphone into sound and outputs it,
A second microphone, which is arranged at a position different from that of the first microphone and converts sound into a signal,
A second speaker provided in the housing and converting a signal received from the second microphone into sound and outputting it.
Equipped with
The support member is a disaster prevention monitoring panel that supports the handset so that the microphone of the handset faces the first speaker and the speaker of the handset faces the second microphone. A detection device that detects that the handset is attached to the support member, and
A control device that receives information from the detection device and
Equipped with
The first aspect of the present invention, wherein the control device stops the output of the first speaker and the second speaker when the detection device does not detect that the handset is attached to the support member. Disaster prevention monitoring board. It is a disaster prevention monitoring board that receives fire signals from fire detectors installed in the caution area and also receives call signals from the outside.
Handset and
A housing that is a magnetic material containing a receiving unit that receives the fire signal and the call signal, and
A case that can accommodate the handset and has a magnet on the side,
Disaster prevention monitoring board equipped with.

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