JPH1019669A - Adapter for heat ray sensor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To adapt a conventional heat ray sensor to be wireless. SOLUTION: An adapter 20 is capable of engaging with a conventional heat ray sensor body 5 in an attachable/detachable manner and contacts 23, 23' for outputting a power source voltage of the adapter 20 make contact with contacts 6, 7' for taking in the power source voltage of a head 6 of the heat ray sensor body 5 in a state that the adapter 20 is engagingly attached to the heat ray sensor body 5, and contacts 24, 24' for inputting signals of the adapter 20 are adapted to make contact with contacts 8, 8' for outputting signals of the head 6 of the heat ray sensor body 5. A power source/circuit block 22, when it receives from the head 6 a signal indicating that a moving object has been detected, transmits wirelessly data indicating that an abnormality has occurred.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot-wire sensor, and more particularly to an adapter that can make a conventional hot-wire sensor wireless.

[0002]

2. Description of the Related Art A heat ray sensor is widely used for detecting a moving object such as an intruder, and the configuration thereof is schematically shown in FIG.

FIG. 5 is a sectional view showing a schematic configuration of a heat ray sensor, FIG. 5A is a sectional view showing a schematic configuration of a base,
FIG. 5B is a cross-sectional view illustrating a schematic configuration of a heat ray sensor main body (hereinafter, simply referred to as a main body).
2 ', 3 and 3' are contacts, 4 is an opening, 5 is a main body, 6 is a sensor head and a circuit board (hereinafter simply referred to as a head),
7, 7 ', 8, 8' indicate contacts.

[0004] The base 1 is for attaching the main body 5 to a predetermined location such as a ceiling, and is detachably engageable with the main body 5. An opening 4 for drawing in a signal line and a power supply line is provided on a surface in contact with a ceiling or the like. Furthermore, the contacts 2, 2 ', 3,
3 'is provided. Here, the contacts 2, 2 '
Is connected to a power line laid in the back of the ceiling or the like, and the contacts 3, 3 'are connected to signal lines laid in the back of the ceiling or the like.

[0005] A head 6 is housed inside the main body 5. The head 6 has a pyroelectric element for detecting a heat ray, an optical system such as a reflecting mirror for forming a guard area, and a circuit for detecting the presence or absence of a moving object based on the output of the pyroelectric element. The output terminal of the circuit is connected to the contacts 8, 8 '. The contacts 7 and 7 ′ are for supplying power to the head 6.

Then, the contacts 7, 7 ', 8,
8 ′ are the contacts 2, 2 ′, 3, and 2, respectively, of the base 1 when the main body 5 and the base 1 are engaged and attached.
3 '. In addition, base 1
Various structures for engaging and attaching the body and the main body 5 are known, and all of them are well-known, so detailed description is omitted, but any structure may be adopted.

[0007] In most cases, the hot-wire sensor is mounted on the ceiling. The procedure will be described below with reference to FIG. First, the base 1 is mounted on the ceiling, and two power lines 9 and two signal lines 10 laid under the ceiling are opened.
From one of the two power supply lines to the contact 2,
The other line is connected to the contact 2 ', respectively, and one of the two signal lines is connected to the contact 3 and the other is connected to the contact 3'.

Then, the main body 5 is engaged with the base 1 and attached. This completes the mounting of the hot wire sensor. At this time, as shown in FIG. 6, the contacts 7, 7 ', 8, 8' of the main body 5 are respectively connected to the contacts 2, 7 of the base 1.
The power supply voltage supplied by the power supply line 9 is applied to the contacts 2, 2 ′ of the base 1 and the body 5
Are applied to the head 6 through the contacts 7, 7 'of the main body 5, and the output signal of the head 6 is applied to the contacts 8, 7 of the main body 5.
8 'and the signal line 10 via the contacts 3, 3' of the base 1
Will be transmitted to

As described above, the heat ray sensor comprises the base 1 and the main body 5.
The function can be restored by replacing the main body 5 in the event that some trouble occurs in the main body 5, for example.

[0010]

As described above, in the conventional hot-wire sensor, it is necessary to lay the power supply line and the signal line in the back of the ceiling or the like. Had become.

On the other hand, in recent years, security systems using wireless sensors have been adopted. FIG. 7 is a diagram showing a schematic configuration example of such a security system, in which 11 is a wireless sensor, 12 is an antenna of a wireless sensor, 13 is a receiving device, 14 is an antenna of a receiving device, and 15 is a communication line. ,
Reference numeral 16 denotes a center device.

Now, assuming that the security system is constructed in a tenant building, the wireless sensor 11 is installed at an appropriate place in the tenant building. Here, the wireless sensor 11 may be a wireless hot-wire sensor, a wireless magnet switch, a wireless fire sensor, or another wireless sensor. In short, a wireless sensor that detects any abnormality can be used as the wireless sensor 11. Although only one wireless sensor 11 is shown in FIG. 7, the wireless sensor 11 is shown as a representative of the wireless sensors in order not to complicate the figure, and a plurality of wireless sensors 11 are actually installed. It is natural to do so. And each wireless sensor 11 has I
The D number is set.

Now, referring to FIG.
When detecting an abnormality, 1 wirelessly transmits data indicating that the abnormality is detected with an ID number assigned to itself. That is, when the wireless sensor 11 is a wireless hot-wire sensor, when a moving object is detected, data indicating that an abnormality has been detected is wirelessly transmitted, and when the wireless sensor 11 is a wireless magnet switch, the magnet is used. When the window or door where the switch is installed is opened, data indicating that an abnormality has been detected is wirelessly transmitted, and when the wireless sensor 11 is a wireless fire sensor, detection of a fire indicates that the abnormality has been detected. The indicated data is wirelessly transmitted.

Data wirelessly transmitted from the wireless sensor 11 is received by the receiving device 13. This receiving device 13
Is installed at an appropriate place in the tenant building. When receiving the data indicating that the abnormality has been detected from the wireless sensor 11, the receiving device 13 notifies the center device 16 of the occurrence of the abnormal situation via the communication line 15 such as a telephone line. The center device 16 is installed in a security company.

As described above, when any abnormality occurs in the tenant building and the abnormality is detected by the wireless sensor 11, the notification is sent to the center device 16, so that the person in charge of the center device 16 It is possible to take steps to dispatch a security guard to the tenant building.

Such a wireless sensor can be attached to a desired location, and it is not necessary to lay a power supply line or a signal line when attaching the wireless sensor, so that a security system having a high degree of freedom can be constructed.

Therefore, when trying to construct a security system using a wireless sensor, it is not only convenient if the existing heat ray sensor can be wirelessly incorporated into the security system, but also the cost can be reduced. is there.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an adapter capable of making an existing hot-wire sensor wireless.

[0019]

Means for Solving the Problems and Effects of the Invention In order to achieve the above object, an adapter for a hot-wire sensor according to the present invention can be attached to a ceiling or a base and the hot-wire sensor body can be detachably attached. It can be engaged, has a contact connected to the output terminal and the power supply terminal of the hot-wire sensor main body when the hot-wire sensor main body is engaged, and detects that a moving object is detected when the hot-wire sensor is activated. It is characterized by comprising transmitting means for transmitting information wirelessly.

Therefore, according to the heat ray sensor adapter, since the conventional heat ray sensor main body can be made wireless by simply attaching it to the heat ray sensor adapter, the security system already installed can be easily made wireless. Instead, it can be easily integrated into wireless security systems.

Since there is no need to lay signal lines,
A security system can be easily constructed even in a special venue such as an event venue.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view showing an embodiment of a hot-wire sensor adapter according to the present invention. In the drawing, reference numeral 20 denotes a hot-wire sensor adapter (hereinafter, simply referred to as an adapter), 21 denotes a case, and 22 denotes a power / circuit block. ,
23, 23 ', 24, 24' indicate contacts.

In the case 21 of the adapter 20, the contact 2
3, 23 ', 24, 24' and power / circuit block 22
Is provided. Although details of the power supply / circuit block 22 will be described later, the contacts 23 and 23 ′ are connected to the power supply voltage output terminal of the power supply / circuit block 22, and the contacts 24 and 24 ′ are connected to the power supply / circuit block 22. Connected to input terminal of transmitter.

Although not shown in detail in FIG. 1,
The lower end of the adapter 20 in the figure is provided with a structure capable of engaging with and attaching to the conventional heat ray sensor main body 5 shown in FIG. 5B. The contacts 23, 23 ', 24, 24' are configured to contact the contacts 7, 7 ', 8, 8' of the body 5, respectively. It is to be noted that such a structure is well-known, and such a structure is not an essential matter of the present invention, and thus description thereof is omitted.

The contacts 23, 23 ', 24, 2
4 'are formed so as to come into contact with the contacts 7, 7', 8, 8 'of the main body 5, respectively, when the conventional main body 5 shown in FIG. 5B is engaged with and attached to the case 21. I have.

Further, although not shown in detail in FIG.
On the upper surface side of the adapter 20 shown in FIG. 1, a structure that can be attached to a ceiling or the like as in the conventional base 1 shown in FIG. 5A, or a structure that can be engaged with and attached to the conventional base 1 shown in FIG. 5A. Have. Note that these mounting structures are well-known, and since such structures are not essential in the present invention, description thereof will be omitted.

FIG. 2 shows an example of the configuration of the power supply / circuit block 22. The power supply / circuit block 22 includes a battery 31 as a power supply, a transmission unit 32, and an antenna 33. The transmission unit 32 is supplied with a power supply voltage from the battery 31. The power supply voltage from the battery 31 is also output to terminals 34 and 34 '. The terminals 34, 34 'are respectively connected to the contacts 23, 2
3 '.

Signals are input to the transmission section 32 from terminals 35 and 35 '. These terminals 35, 3
5 'is connected to the contacts 24, 24', respectively. Then, the main body 5 is engaged with the adapter 20 as described above,
When mounted, the contacts 24, 24 'are adapted to come into contact with the contacts 8, 8' of the body 5, and the contacts 8, 8 'are connected to the signal output terminals of the head 6. Therefore, when the main body 5 is engaged with and attached to the adapter 20, the output signal of the head 6 is transmitted to the transmitting unit 32.
Will be entered. Then, when the transmitting unit 32 receives a signal indicating that the moving object has been detected from the head 6,
Data indicating that an abnormality has occurred is wirelessly transmitted from the antenna 33 with an ID number assigned to itself. In FIG. 1, the antenna 33 is the case 21 of the adapter 20.
, But may actually be provided to protrude from the side wall of the case 21 of the adapter 20 as shown in the antenna 12 of FIG.

Next, a case where the conventional heat ray sensor main body 5 is made wireless by using the adapter 20 will be described.

Now, assuming that the upper surface side of the adapter 20 shown in FIG. 1 is structured to be attachable to a ceiling or the like in the same manner as the conventional base 1 shown in FIG. 5A, first, the adapter 20 is attached to the ceiling, 5 is engaged with the adapter 20 and attached. Thereby, the conventional heat ray sensor main body 5
Can be a wireless sensor. FIG. 3 is a view showing this state. At this time, the contacts 7, 7 'of the main body 5,
8, 8 'are the contacts 23, 2 and 2 of the adapter 20, respectively.
Since the heads 6 are in contact with 3 ', 24 and 24', the power supply voltage from the battery 31 is supplied to the head 6, and the output signal from the head 6 is input to the transmission unit 32. Therefore, when a signal indicating that a moving object is detected is output from the head 6 in this state, the transmitting unit 32 attaches an ID number assigned to itself and transmits data indicating that an abnormality has occurred from the antenna 33. Processing for wireless transmission will be performed.

As described above, when the upper surface side of the adapter 20 is configured to be attachable to a ceiling or the like in the same manner as the conventional base 1 shown in FIG.
The conventional heat ray sensor main body 5 can be easily used as a wireless sensor by attaching the main body 5 to a desired position, engaging the main body 5 with the main body 5, and attaching the main body 5 to the desired place.

Assuming that the upper surface side of the adapter 20 shown in FIG. 1 engages with the conventional base 1 shown in FIG. 5A so as to be attachable, the main body 5 is first removed from the base 1, and The adapter 20 is engaged with the base 1 and attached, and then the main body 5 is engaged with the adapter 20,
Attach. Thus, the existing heat ray sensor can be used as a wireless sensor. FIG. 4 is a diagram showing this state. At this time, the contacts 7, 7 ', 8, 8' of the main body 5 are respectively connected to the contacts 23, 23 ', 24, 2 of the adapter 20.
4 ', the power supply voltage from the battery 31 is supplied to the head 6, and the output signal from the head 6 is transmitted to the transmitting unit 32.
Will be entered. Therefore, when a signal indicating that a moving object has been detected is output from the head 6 in this state, the transmitting unit 32 attaches an ID number assigned to itself to the antenna 33 and transmits data indicating that an abnormality has occurred.
Will perform the process of wireless transmission.

As described above, when the upper surface side of the adapter 20 shown in FIG. 1 is engaged with the conventional base 1 shown in FIG. It can be wireless.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating an embodiment of a hot-wire sensor adapter according to the present invention.

FIG. 2 is a diagram illustrating a configuration example of a power supply / circuit block 22 of FIG. 1;

FIG. 3 is a diagram illustrating an example of mounting when a conventional heat ray sensor main body 5 is made wireless by using an adapter 20;

FIG. 4 is a view showing another example of attachment when the conventional heat ray sensor main body 5 is made wireless using an adapter 20.

FIG. 5 is a cross-sectional view showing a configuration example of a conventional heat ray sensor base 1 and a heat ray sensor main body 5.

FIG. 6 is a cross-sectional view showing a state where the base 1 and the heat ray sensor main body 5 of FIG. 5 are engaged and attached.

FIG. 7 is a diagram illustrating a schematic configuration example of a security system using a wireless sensor.

[Explanation of symbols]

1 ... Base, 2 ', 3', 3 '... Contact, 4 ... Opening,
5 ... body, 6 ... sensor head and circuit board, 7, 7 ',
8, 8 'contact, 9 power supply line, 10 signal line, 11 ...
Wireless sensor, 12: Antenna of wireless sensor, 13: Receiving device, 14: Antenna of receiving device, 15
... Communication line, 16 ... Center device, 20 ... Hot-wire sensor adapter, 21 ... Case, 22 ... Power supply / circuit block,
23, 23 ', 24, 24'.

Claims (1)

[Claims] The hot-wire sensor main body is detachably engageable with the ceiling or base, and when the hot-wire sensor main body is engaged, an output terminal and a power supply terminal of the hot-wire sensor main body are provided. An adapter for a hot-wire sensor, comprising: a contact for connection; and a transmission unit for wirelessly transmitting information indicating that a moving object has been detected when the hot-wire sensor is activated.