KR20140005629U - Dual fire detector and fire detector system thereof - Google Patents

Abstract

The present invention relates to a light-emitting device including a first sensor unit and a second sensor unit for sensing light; And a first base portion and a second base portion connected to the sensor portions in correspondence with the wirings, respectively, wherein each of the sensor portion and the base portion detects a fire in a pair, And a switch unit is provided between the second base units to automatically switch the other fire detectors to operate when the one fire detector is not operated, and a fire detection system using the dual fire detectors.
With the fire detection system as described above, it is possible to prevent the malfunction of the fire detector and to reduce the maintenance cost of each fire detector.

Description

FIELD OF THE INVENTION The present invention relates to a dual fire detector and a fire detection system using the dual fire detector.

The present invention relates to a dual fire detector and a fire detection system using the dual fire detector. More specifically, the present invention can reduce the cost of the sensor maintenance by using a dual fire detector that includes a sensor unit and a base unit in addition to a conventional fire detector, And a fire detection system using the dual fire detector.

In general, a fire sensor is used in a hot sensation type and a smoke sensing type, and a smoke detection type fire detector is configured to detect a fire by smoke generated in an initial fire, and thus the response is excellent.

1 is a cross-sectional view of a generally used fire detector. The smoke detection type smoke detector includes a sensing body 10 formed with a smoke inlet 11 at the center of the bottom and a smoke outlet 12 formed at the outer periphery of the smoke detector, A light emitting element 20 for irradiating a detection light for detecting the smoke inflow of the smoke inlet 11 from one side and a light emitting element 20 installed on the sensing body 10 at an angle with respect to the irradiation direction by the light emitting element 20 A sensed light receiving element 30 for sensing the light scattered by the smoke introduced into the smoke inlet 11 and outputting a sensing signal, And a detection control unit for controlling the output of the detection signal.

When the smoke generated by the fire flows into the smoke inlet 11 of the sensing body 10, the sensing light emitted from the light emitting device 20 is scattered by the smoke, Receiving element 30 provided at an angle with respect to the direction in which the sensing light is emitted by the light emitting element 20 so that the sensing and receiving element 30 outputs a sensing signal and the sensing and receiving element 30 30, the detection control unit outputs a fire signal to detect a fire.

However, in the conventional smoke detection type smoke detector as described above, it is impossible to confirm the fact when the light emitting device 20 is not operated, and in order to confirm whether there is an operation, it is necessary to directly introduce the smoke into the smoke inlet, There was.

In addition, frequent malfunctions after many years of installation increase the frequency of false detection alarms, and it is not only costly to maintain the fire detector but also applied to the new classification (DNV-OS-D202, Ch.2 Sec.1 A503) The number of unnecessary cables and fire detectors is increased in order to satisfy the above-mentioned rules.

The object of the present invention is to provide a dual fire detector capable of preventing malfunction of a fire detector and reducing maintenance cost.

Another object of the present invention is to provide a fire detection system capable of reducing the frequency of occurrence of a false faulty alarm through a dual fire detector and reducing the number of cables and detectors compared to the performance line, thereby realizing a stable system.

According to an aspect of the present invention, there is provided a display device including a first sensor unit and a second sensor unit for sensing light, And a first base portion and a second base portion connected to the sensor portions in correspondence with the wirings, respectively, wherein each of the sensor portion and the base portion detects a fire in a pair, And a switch unit is provided between the first base unit and the second base unit to automatically switch the other fire detector to operate when one fire detector is not operated.

Wherein each of the sensor units comprises: a light emitting element for emitting a sensing light for detecting smoke inflow; A light receiving element for detecting light scattered by smoke; And a sensing control unit for controlling the output of the received sensing signal, wherein each sensor unit is disposed in a shifted manner so that the light emitting device and the sensing light receiving device constituting each sensor unit can sense smoke in different directions, respectively do.

The present invention also relates to a light emitting device comprising a first sensor unit and a second sensor unit for sensing light; And a first base portion and a second base portion that are connected to the sensor portions in correspondence with the respective wirings, wherein a switch portion is provided between the first base portion and the second base portion, A fire detection system comprising dual fire detectors for detecting a fire and a fiercent central, wherein each of the dual fire detectors is provided with a module switch, the dual fire detectors and the dual fire center are connected to a single route cable The fire detection system according to claim 1,

Wherein each of the sensor units comprises: a light emitting element for emitting a sensing light for detecting smoke inflow; A light receiving element for detecting light scattered by smoke; And a sensing control unit for controlling the output of the received sensing signal, wherein each sensor unit is disposed in a shifted manner so that the light emitting device and the sensing light receiving device constituting each sensor unit can sense smoke in different directions, respectively do.

As described above, the present invention proposes a dual fire detector and a fire detection system using the dual fire detector.

Accordingly, the malfunction of the fire detector can be prevented, and the maintenance cost for each fire detector can be reduced.

In addition, the frequency of false false alarms can be reduced, and the number of cables and detectors can be reduced compared to the performance line, thereby realizing a stable system.

1 is a schematic view showing a cross-section of a conventional fire detector.
2 is a plan view showing a base part and a sensor part of a basic fire detector;
FIG. 3 is a schematic view showing two base portions and a sensor portion arranged shifted according to an embodiment of the present invention; FIG.
4 is a schematic diagram illustrating a conventional fire detection system;
5 to 6 are schematic views showing a fire detection system according to an embodiment of the present invention.

Hereinafter, preferred embodiments of a dual fire detector and a fire detection system using the dual fire detector according to the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms and words used in the present specification and claims should not be construed in a conventional or dictionary sense, and the inventor shall appropriately define the concept of the term in order to best explain its own design It should be construed as meaning and concept consistent with the technical idea of the invention.

Therefore, the embodiments described in the present specification and the constitutions shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

FIG. 2 is a plan view showing a base portion and a sensor portion of a basic fire detector, and FIG. 3 is a schematic view showing two base portions and a sensor portion which are arranged to be shifted according to an embodiment of the present invention.

Referring to FIGS. 2 and 3, a dual fire detector according to the present invention will now be described.

As shown in FIG. 2, the basic fire detector includes a base unit 50 and a sensor unit 60. As shown in FIG. 3, a base unit such as a fire sensor according to the present invention includes two base units, And two sensor units corresponding thereto are provided.

That is, a first sensor unit 110 and a second sensor unit 120 for sensing light are provided. And a first base unit 210 and a second base unit 220 connected to the sensor units 110 and 120 by wires respectively. The sensor unit and the base unit detect a fire in a pair A switch unit 300 is provided between the first base unit 210 and the second base unit 220 so as to automatically switch the other fire detector to operate when the one fire detector is not operated.

Thus, the dual sensor unit and the dual base unit can be provided to meet the requirements of the shipowner and shipowner of the present marine project without purchasing and installing additional sensors.

Particularly, each of the sensor units 110 and 120 includes light emitting devices 111 and 121 for irradiating detection light to detect smoke inflow, and detection light receiving devices 112 and 122 for sensing light scattered by smoke And can detect a fire by switching to a normally operating sensor unit by a switch unit 300 located between the first and second base units 210 and 220 in case of any malfunction or failure, Structure. The important point here is that the sensor units 110 and 120 constituted by the light emitting element and the detection light receiving element are arranged to be shifted so as to sense smoke in different directions, respectively. As shown in Fig. 3, each of the light emitting elements 111 and 121 emits light toward the corresponding sense light receiving element 112 and 122, respectively. In addition, the sensor unit may further include a sensing controller (not shown) that can control the sensing signal output received from the sensing and receiving element.

FIG. 4 is a schematic view showing a fire detection system composed of a conventional fire detector and a dual fire center. FIGS. 5 to 6 are schematic views showing a fire detection system composed of a dual fire detector and a dual fire center according to an embodiment of the present invention. to be.

As shown in FIG. 4, there is a problem in that a cable for connecting a fire detector corresponding to each central fire is separately applied to a conventional fire detection system, which requires a large amount of cables.

The present invention is directed to a light emitting device comprising a first sensor unit and a second sensor unit for sensing light; And a first base portion and a second base portion that are connected to the sensor portions in correspondence with the respective wirings, wherein a switch portion is provided between the first base portion and the second base portion, A fire detection system comprising dual fire detectors (400) and a dual fire center (600) for detecting a fire, wherein the dual fire center (600) is provided with a module switch (500) And the dual fire center 600 are connected to the single route cable 700 as a whole.

As shown in FIG. 5 and FIG. 6, the Dual Fire Central can be designed without increasing the cable length and the number of detectors by applying a module switch (S / W) to a conventional fire center . In other words, when one fire center malfunctions, the other fire center continues to operate and fire detection can be performed.

In connection with the above, a malfunction signal part has been added in relation to the DNV revision rule. Unlike the existing fire detection signal, the malfunction signal is a signal transmitted to the fire control module when a malfunction or malfunction occurs for some reason . Normally, a malfunction signal can easily occur during operation of a ship, but if this signal is treated like a fire detection signal, the effect could go as far as the ship's overall shutdown situation, but this malfunction signal is applied in the same way as a fire detection signal.

However, if the detector is configured as dual as in the present invention, such a malfunction signal can be ignored and the changeover function of the switch portion located between the dual base portions has no effect on the fire detection system.

In addition, as shown in FIGS. 5 to 6, when a system is constructed using dual fire center and dual fire detectors, a synergy effect can be generated. In particular, the length of a cable required for the system is also shortened, which is effective in terms of cost.

Although the embodiments of the present invention have been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and various modifications may be made without departing from the scope of the present invention.

The present invention is applied to a fire detection system using a fire detector.

110: first sensor unit 111: light emitting element
112: Sensing light receiving element 120:
210: first base part 220: second base part
300: Switch part 400: Dual fire detector
500: Module Switch 600: Dual Fire Central
700: Single root cable

Claims (6)

A first sensor unit 110 and a second sensor unit 120 for sensing light; And
A first base unit 210 and a second base unit 220 connected to the sensor units 110 and 120 so as to correspond to the sensors, In a fire detector,
And a switch unit 300 is provided between the first base unit 210 and the second base unit 220 to automatically switch the other fire detector to operate when one fire detector is not operated. Fire detector.
The method according to claim 1,
Each of the sensor units 110 and 120 includes:
A light emitting element (111, 121) for emitting a detection light for detecting smoke inflow;
Sensing light receiving elements (112, 122) for sensing light scattered by smoke; And
And a detection control unit for controlling the output of the received detection signal.
3. The method of claim 2,
Each of the sensor units is disposed in a shifted relation so that the light emitting devices 111 and 121 and the sensing and receiving devices 112 and 122 constituting the sensor units 110 and 120 can sense smoke in different directions, respectively Dual smoke detectors.
A first sensor unit and a second sensor unit for sensing light; And
A first base portion and a second base portion connected to the sensor portions in correspondence with the respective wirings, wherein a switch portion is provided between the first base portion and the second base portion, (400) and a dual fire center (600), the fire detection system comprising:
Wherein the dual fire center 600 is provided with a module switch 500 and the dual fire sensors 400 and the dual fire center 600 are connected to a single route cable 700 as a whole. Detection system.
5. The method of claim 4,
Each of the sensor units
A light emitting element for emitting a detection light for detecting smoke inflow;
A light receiving element for detecting light scattered by smoke; And
And a detection control unit for controlling the output of the received detection signal.
6. The method of claim 5,
Wherein each of the sensor units is disposed in a shifted manner so that the light emitting device and the sensing light receiving device constituting each sensor unit can sense smoke in different directions.

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