KR200410038Y1 - An automatic closed apparatus for gas extinguishing equipment - Google Patents

Abstract

The present invention is installed in the protection zone, the fire detection sensor for transmitting a fire detection signal by detecting a fire in the fire of the protection zone; A pressure sensor / differential pressure sensor for periodically detecting a pressure in a corresponding protection zone and transmitting the detected pressure when a fire is detected by the fire detection sensor; Connected with the fire detection sensor and the pressure sensor / differential pressure sensor, when the fire detection signal is input by the fire detection sensor to transmit a protection zone closing signal, and to periodically detect the pressure in the protection zone with the pressure sensor / differential pressure sensor When the pressure sensed by the pressure sensor / differential pressure sensor is transmitted, the detected pressure is periodically stored, but the initial pressure is set as the reference pressure, or the pressure or atmospheric pressure stored in the atmospheric pressure sensor is set as the reference pressure. A controller for boosting a predetermined pressure to the pressure to set the constant pressure in the protection zone, and comparing the set constant pressure with the periodically detected pressure to transmit an opening / closing instruction signal of the protection zone; A motor driver connected to the controller and driving a motor in response to a control instruction of the controller when a fire detection signal is input to the fire detection sensor; And an automatic closing device that opens and closes the protective area by driving the motor in response to the drive signal of the motor driving unit. The test equipment and computer equipment and the protective area structure sensitive to heat and pressure by preventing the pressure from rising to high pressure. Etc. can be protected.

Description

An automatic closed apparatus for gas extinguishing equipment

1 is a block diagram of an automatic switching device according to an embodiment of the present invention,

2 is a block diagram of an automatic switching device according to another embodiment of the present invention,

3 is a front view of the automatic switching device according to the present invention,

4 is a plan view of the automatic opening and closing device according to the present invention,

5 is a configuration diagram of the operation of the automatic switching device according to the present invention.

* Description of the symbols for the main parts of the drawings *

10: fire detection sensor 20, 20 ': pressure sensor, differential pressure sensor

30: controller 31: CPU

32: memory section 33: display section

34: manual input part 40: motor drive part

50: motor 60: automatic switching device

61: body 62, 62 ': shaft

63, 63 ': wing 64: linkage bar

70: injection head 80: atmospheric pressure sensor closing device

The present invention relates to an automatic closing device for a gas fire extinguishing system installed in a protection zone, and more specifically, to the protection zone detected by a pressure sensor or a differential pressure sensor after closing the protection zone at the same time as the extinguishing gas is released to the protection zone. When the internal pressure is above a certain pressure, the plurality of wings connected by the interlocking bar is interlocked to open, and when the internal pressure is lowered, the plurality of wings are interlocked to control the motor mounted on the wing shaft to discharge the extinguishing gas into the protection zone. The protective zone relates to an automatic closing device capable of maintaining a predetermined pressure.

Generally, in case of fire, sprinkler installed in the fire protection area is used to spray water or extinguish extinguishing gas using spray head to extinguish the fire.

When water is extinguished, extinguishing uses fire extinguishing gas where important facilities exist because documents stored in fire zones get wet or computer equipment such as PCs can no longer be used.

For this reason, fire extinguishing facilities include, for example, electrical rooms, substation rooms, power generation rooms, storage rooms, computer rooms, communication equipment rooms, disaster prevention rooms, control rooms, libraries, museums, cosmetics, etc. It is installed in a place with expensive assets.

The extinguishing gas facility stores extinguishing gases such as carbon dioxide, halon, and clean extinguishing agents, which are incombustible gases, in a high-pressure gas container, and then discharges and extinguishes the extinguishing gas through a pre-installed extinguishing facility when a fire occurs. It is a fixed facility to extinguish by suffocation and cooling.

The gas-based fire extinguishing agent is equipped with an automatic closing device in the protective area to block the inflow of fresh air when the drug is released, the protective area has a structure immediately before or when the drug is released.

That is, when a fire occurs, the detector detects a fire, sounds an acoustic alarm device, and simultaneously operates a fire shutter and an automatic closing device to close the protection area and inject extinguishing gas into the protection area through the injection head.

When the extinguishing gas is injected above a certain pressure, the pressure in the protection zone rises, especially by the heat of the fire, which causes further damage to heat and pressure sensitive devices such as expensive computing equipment, experimental equipment, and protection zone structures. .

In order to prevent such closure, a separate pressure port is installed on one side of the wall of the room to adjust the room pressure to a predetermined pressure or less by driving when the extinguishing gas is released.

However, in order to install a separate extinguishing gas pressure port as described above, the construction was very cumbersome and expensive equipment, so there was a lot of burden to equip the gas extinguishing facility.

In addition, the pressure port has to be operated automatically as it is an emergency, but a disaster such as a fire suddenly occurs unexpectedly and requires frequent checks so that it can work properly in an emergency.

The present invention is designed to solve such a problem, the purpose of the present invention is to close the protective area in the event of fire and at the same time spray the digestion gas, the pressure of the protective zone detected by the pressure sensor or differential pressure sensor is more than a certain pressure In this case, it provides an automatic closing device for gas fire extinguishing equipment that can maintain the internal pressure of the protective area by driving the wing connected by the motor by the interlocking bar by the motor and opening the blade under the predetermined pressure. .

In order to achieve the above object, the technical means according to the present invention is installed in the protection zone, the fire detection sensor for detecting a fire in the fire of the protection zone to transmit a fire detection signal; An injection head for injecting fire extinguishing gas into a protection zone when a speaker detection signal is input to the fire detection sensor; A differential pressure sensor that periodically detects the pressure of the corresponding protection zone and transmits the detected pressure when a fire is detected by the fire detection sensor; Connected to the fire detection sensor, the injection head and the differential pressure sensor, when the fire detection signal is input by the fire detection sensor transmits the protection zone closing signal and the atmospheric pressure detection tube closing signal, and instructs control of the injection gas extinguishing gas injection And instructs the differential pressure sensor to periodically detect the pressure in the protection zone, and when the pressure detected by the differential pressure sensor is transmitted, stores the periodically detected pressure, and sets the closed pressure of the atmospheric pressure sensing tube as the reference pressure. A controller configured to increase a predetermined pressure to the reference pressure to set a predetermined pressure in the protection zone, and compare the set constant pressure with a periodically detected pressure to transmit an opening / closing instruction signal of the protection zone; An atmospheric pressure sensor tube closing device connected to the controller and closing the atmospheric pressure sensor tube in response to an instruction of the controller; A motor driver connected to the controller and driving a motor in response to a control instruction of the controller when a fire detection signal is input to the fire detection sensor; And an automatic closing device that opens and closes the protective area by driving the motor in response to the drive signal of the motor driver.

In order to achieve the above object, the technical means according to the present invention is installed in the protection zone, the fire detection sensor for detecting a fire in the fire of the protection zone to transmit a fire detection signal; An injection head for injecting fire extinguishing gas into a protection zone when a speaker detection signal is input to the fire detection sensor; When a fire occurs by the fire detection sensor, the pressure sensor periodically detects the pressure of the protective area, and transmits the detected pressure; Connected with the fire detection sensor and the pressure sensor, when the fire detection signal is input by the fire detection sensor to control and control the protective zone closing signal and the injection of the extinguishing gas of the injection head, and periodically the pressure in the protective zone with the pressure sensor When the pressure sensed by the pressure sensor is transmitted, the sensor periodically stores the detected pressure. The initial pressure is set as the reference pressure, and the predetermined pressure is further increased to the reference pressure. A controller configured to compare the set constant pressure with a periodically sensed pressure and transmit an opening / closing instruction signal of the protective area; A motor driver connected to the controller and driving a motor in response to a control instruction of the controller when a fire detection signal is input to the fire detection sensor; And an automatic closing device that opens and closes the protective area by driving the motor in response to the drive signal of the motor driver.

The present invention prevents the rise of pressure to high pressure, thereby protecting experimental equipment, heat- and pressure-sensitive laboratory equipment, and protection area structures.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an automatic opening and closing device for a gas fire extinguishing facility according to an embodiment of the present invention, a fire detection sensor 10, pressure sensor 20, controller 30, the motor driving unit 40, the motor 50 ), The automatic opening and closing device 60 and the injection head 70.

Fire detection sensor 10 may be used a conventional sensor that can detect the temperature or smoke of the protective area in the event of a fire, and installed in each of the protective area of the building to detect the fire in the corresponding area of the controller 30 The signal detected by the CPU 31 is transmitted.

The pressure sensor 20 is installed inside / outside the protection zone or the damper, and periodically detects the pressure of the protection zone in the event of a fire and transmits pressure signal data to the CPU 31 of the controller 30.

The controller 30 is connected to a fire detection sensor 10 respectively installed in the protection area inside the building, when a fire signal is input from the fire detection sensor 10, the opening and closing device so that the protection area is sealed through the automatic switching device (60) The detection instruction to transmit a closing instruction signal, to control the injection head 70 so that gas is injected into the protection area through the injection head 70, and to detect the pressure of the protection area through the pressure sensor 20 installed in the protection area. When the signal is transmitted, and a pressure detection signal is input to the pressure sensor 20, the detected pressure of the protection zone is periodically transmitted through the pressure sensor 20, and if the periodically detected pressure is input, the detected pressure is stored. The initial value of the detected pressure is set as the reference pressure and stored. The reference pressure and periodically sensed pressure of the protective zone are stored in the memory 32 in accordance with the instructions of the controller.

 The controller 30 sets and stores the pressure plus the predetermined pressure as the predetermined reference pressure as the constant pressure in the protection zone, and compares the analysis with the set constant pressure when the pressure of the protection zone detected by the pressure sensor 20 is input. By applying power to the motor driving unit 40 so that the pressure in the protection zone is always maintained at a constant pressure, the air inside the protection zone is discharged to the outside by opening and closing the automatic switching device 60.

That is, the pressure sensing data periodically sensed through the pressure sensor 20 is transmitted to the controller 30, and the controller 30 compares the detected pressure with a predetermined constant pressure, and when the detected pressure is equal to or greater than the predetermined constant pressure. The drive signal is transmitted to the motor driver 40, and the motor driver 40 is driven in accordance with the drive control signal to open the automatic switch 60, thereby discharging the internal air to the outside.

In addition, the controller 30 may be installed in a central control room of the building and the like, and is electrically connected to control the motor driving unit 40, that is, to control the opening and closing operation of the automatic switching device 60.

In addition, the constant pressure of the protection zone is set to the internal pressure reference pressure according to the material and form of the structure to the reference pressure.

In other words, apply a constant pressure divided into lightweight structures, general structures, and round structures.

Therefore, assuming that the internal pressure is 25 Pa during the fire in the protection zone of the lightweight structure, when the internal pressure and the extinguishing gas expand due to the opening of the fire protection zone where the fire occurs, the pressure in the protection zone reaches 25 Pa. In accordance with the instruction of the motor drive unit 40 by transmitting a drive command signal to the motor 50 to open the automatic opening and closing device (60).

In addition, when the pressure in the protection zone is 25 Pa or less due to the evolution of the fire, the driving instruction signal is transmitted to the motor driving unit 40 in accordance with the controller's instructions to transmit the motor 50 to close the automatic switching device 60.

Accordingly, in case of fire, a single protective zone is easily sensed at a constant pressure, and by extinguishing gas, the protective zone rises to a high pressure to protect experimental equipment, computer equipment, and structure of the protective zone, which may be damaged due to heat and pressure. can do.

2 is a block diagram of an automatic opening and closing device for a gas fire extinguishing facility according to another embodiment of the present invention, a fire detection sensor 10, a differential pressure sensor 20 ′, a controller 30, a motor driver 40, and a motor 50. ), The automatic opening and closing device 60, the injection head 70 and the atmospheric pressure sensor opening and closing device (80).

1, the description of the same configuration as that of FIG. 1 (that is, a fire detection sensor, a display unit, a manual input unit, a motor driver, an injection head, and a motor) will be omitted.

The differential pressure sensor 20 ′ is installed inside / outside the protection zone or the damper and periodically detects the pressure in the protection zone in the event of a fire and transmits pressure signal data to the CPU 31 of the controller 30.

The controller 30 is connected to a fire detection sensor 10 respectively installed in the protection area inside the building, when a fire signal is input from the fire detection sensor 10, the opening and closing device so that the protection area is sealed through the automatic switching device (60) Transmits a closing instruction signal, controls the injection head 70 to inject gas into the protection zone through the injection head 70, and transmits a control signal to the atmospheric pressure detection tube closing device so that the atmospheric pressure detection tube is closed, and the protection zone. The detection command signal is transmitted to detect the pressure of the protection zone through the differential pressure sensor 20 'installed in the sensor. When the pressure detection signal is input to the differential pressure sensor 20', the detection of the protection zone is detected through the differential pressure sensor 20 '. When the pressure is transmitted periodically and the pressure detected periodically is input, the detected pressure is stored, but the external pressure connected to the protection zone or the closed pressure stored in the atmospheric pressure sensor is set as the reference pressure. The chapter. The reference pressure and periodically sensed pressure of the protective zone are stored in the memory 32 in accordance with the instructions of the controller.

The controller 30 sets and stores the pressure plus a predetermined pressure as the predetermined reference pressure as the constant pressure in the protection zone, and when the pressure of the protection zone detected by the differential pressure sensor 20 'is input, compares with the set constant pressure. In addition, by applying power to the motor driving unit 40 so that the pressure in the protection zone is always maintained at a constant pressure, the air inside the protection zone is discharged to the outside by opening and closing the automatic switching device 60.

That is, the pressure sensing data periodically sensed through the differential pressure sensor 20 'is transmitted to the controller 30, and the controller 30 compares the detected pressure with a predetermined constant pressure and the detected pressure is equal to or greater than the predetermined constant pressure. When the drive signal is transmitted to the motor driver 40, the motor drive unit 40 is driven in accordance with the drive control signal to open the automatic switchgear 60 to discharge the internal air to the outside.

Accordingly, in case of fire, a single protective zone is easily sensed at a constant pressure, and by extinguishing gas, the protective zone rises to a high pressure to protect experimental equipment, computer equipment, and structure of the protective zone, which may be damaged due to heat and pressure. can do.

In addition, it is a principle that all function operation and detection are performed automatically, but in case a part of the device is damaged due to fire and it is impossible to operate automatically, the controller 30 can manually adjust the pressure in the protective area. The manual input unit 34 is further configured so that the display unit 33 may be further configured to display the pressure of the protection zone, and to allow the manually operated pressure to be displayed.

3 to 4, the automatic opening and closing device 60 is a plurality of shafts (62, 62 ') mounted side by side at equal intervals in the inner side of the body 61 formed of a substantially rectangular frame, the shaft ( 62, 62 ') are mounted wings 63, 63', a plurality of wings are connected by an interlocking bar 64, the drive shaft 50 is mounted on the reference shaft 62 of the body 61 will be. The drive means 50 is to be equipped with a drive motor.

Wings 63 and 63 'are mandrel mounted on shafts 62 and 62', and several wings 63 and 63 'are connected by interlocking bars 64 to open or close the reference wing 63. All wings are simultaneously linked to open or close. Here, the reference vanes may be arbitrarily selected by the user.

That is, the blades 63 and 63 'are mandrel mounted to the shafts 62 and 62', but when the internal pressure of the protective zone rises above a certain pressure, the blade rotates and opens by a predetermined angle according to the driving of the motor. When the internal pressure falls below a predetermined pressure, the blade is reversed by a predetermined angle in accordance with the driving of the motor 50 to close the protection area.

5 is a flowchart illustrating the operation of the automatic switching device for fire extinguishing gas according to the present invention.

When the fire does not occur normally, the automatic closing device 60 maintains the blades 63 and 63 'by being rotated by a predetermined angle and keeps the protection area open so that the indoor air is controlled by an ordinary air conditioning system. Ventilate and maintain room temperature.

When a fire occurs, fire is detected by the fire detection sensor 10 (S1), and the detected signal is transmitted to the CPU 31 of the controller 30, and according to the instruction of the CPU 31, an acoustic alarm device (not shown). If the differential pressure sensor is provided, the atmospheric pressure sensor tube closing device 80 is operated according to the instruction of the CPU to close the atmospheric pressure sensor tube (S2), and the automatic closing device 60 is driven to protect the protection area. Close (S3).

That is, the automatic closing device 60 drives the motor 50 by the motor driving unit 40 to rotate the vanes 13 at a predetermined angle to drive the vanes 63 and 63 'in the closing direction.

Thereafter, the controller 30 transmits a pressure sensing indication signal of the protective zone to a pressure sensor or a differential pressure sensor installed in the protective zone or the damper, and the pressure sensor or the differential pressure sensor corresponds to an instruction of the controller 30 to the pressure of the protective zone. After detecting periodically (S4) and transmits the detected pressure signal data to the CPU 31 of the controller again.

When the pressure sensor detected pressure data is input, the CPU 31 of the controller 30 sets the pressure data of the initially input protection zone as the reference pressure (S5).

If the differential pressure sensor is used, when the air pressure sensor tube is closed or the atmospheric pressure sensor tube is installed outside the protection zone, the external atmospheric pressure is set as the reference pressure (S5).

When the reference pressure is determined, the CPU 31 of the controller 30 further increases the predetermined pressure to the reference pressure to set a constant pressure of the protection zone (S6).

Thereafter, the extinguishing gas is injected into the protective area through the injection head 70 (S7), and the extinguishing gas injected from the injection head is filled in the protective area.

Thereafter, the pressure sensor or the differential pressure sensor periodically detects the internal pressure of the protection zone and transmits it to the CPU 31 of the controller 30 in accordance with the instruction of the CPU 31 of the controller 30, and the controller 30 The internal pressure of the protection zone periodically detected by the pressure sensor 20 or the differential pressure sensor 20 'is compared with a predetermined constant pressure (S8), and a driving signal is transmitted to the motor driving unit according to the analyzed result.

When the motor driving signal is transmitted from the CPU 31 of the controller 30 to the motor driving unit 40, the motor driving unit 40 drives the motor 50 in response to an instruction signal of the CPU 31 of the controller, and the motor According to the driving, the wing of the automatic switching device 60 is rotated or rotated at a predetermined angle to open or close the protection zone to maintain the pressure of the protection zone constant.

That is, in case of fire, the digested gas filled in the closed protective area is expanded by the heat of the fire. Thus, the indoor air and the extinguishing gas are expanded so that the pressure of the protective area is increased.

Therefore, if the internal pressure of the continuously rising protective zone rises above a certain pressure, it is periodically detected by a pressure sensor or a differential pressure sensor that detects the pressure of the protective zone, and the pressure sensor or the differential pressure sensor 20 ' Pressure data detected by the controller is transmitted to the CPU 31 of the controller and compared with the constant pressure (S8), by driving the motor 50 in accordance with the instruction of the CPU 31 to rotate the shaft (63, 63 ') Rotate the protection zone is opened (S9) is discharged to the outside air and extinguishing gas in the protection zone.

After that, when the internal air and the extinguishing gas are discharged and the internal pressure of the protection zone is lowered below a certain pressure, the pressure sensor 20 or the differential pressure sensor 20 'periodically detects the internal pressure of the protection zone. The pressure is transmitted to the CPU 31 of the controller, and the pressure transmitted to the CPU 31 of the controller is compared with a constant pressure (S9), and the blade is driven by rotating the shaft by driving the motor in accordance with the instruction of the CPU 31. Is reversely rotated by a predetermined angle the protection area is closed again (S10).

In addition, when the wing is rotated by the reference axis, the plurality of wings connected by the reference wing and the link bar are interlocked to rotate.

The opening or closing of the automatic switchgear will take place until the fire in the protected area is extinguished.

In addition, the pressure data of the protection zone may be transmitted to the display unit 33 according to the instructions of the controller to express the pressure value in the protection zone as a digital number to identify the pressure in the current protection zone.

That is, when the pressure sensed by the pressure sensor or the differential pressure sensor is higher than the predetermined pressure, the protection zone is opened by rotating the blades 63 and 63 'at a predetermined angle by driving the motor 50 in response to the instruction of the CPU 31. The internal air is discharged to the outside, and after a predetermined time elapses, if the pressure in the protection zone is lowered below a predetermined pressure, the protection zone is rotated by rotating the motor 50 at a predetermined angle according to the controller's instruction. Is kept closed again.

Therefore, the fire is extinguished by the extinguishing gas and protects laboratory equipment, computer equipment, and protective area structures sensitive to heat and pressure by preventing rising above a predetermined pressure.

The present invention is not limited to the above-described embodiment, and any person having ordinary skill in the art to which the present invention pertains may make various changes without departing from the gist of the present invention as claimed in the following claims.

As described in detail above, the present invention periodically detects the pressure of the protective zone through a pressure sensor or a differential pressure sensor installed in the protective zone, and compares the detected pressure to open and close the automatic switchgear to open and close the automatic switching device. It can prevent the rise above a certain pressure, thereby preventing the rise of the pressure to a high pressure to protect expensive equipment, valuables and protective area structures sensitive to heat and pressure. In addition, the construction is simpler than the conventional method of drilling through the wall, and compared to the existing method using a simple backdraft damper, the pressure can be very accurate, thereby improving the extinguishing performance.

Claims (3)

A fire detection sensor installed in the protection zone and transmitting a fire detection signal by detecting a fire in case of a fire in the protection zone; An injection head for injecting fire extinguishing gas into a protection zone when a speaker detection signal is input to the fire detection sensor; A differential pressure sensor installed in / outside the damper or a damper to periodically detect the pressure in the corresponding guarding zone and to transmit the detected pressure when a fire is detected by the fire detection sensor; Connected to the fire detection sensor, the injection head and the differential pressure sensor, when the fire detection signal is input by the fire detection sensor transmits the protection zone closing signal, instructed to control the injection of the extinguishing gas of the injection head, the differential pressure sensor Instructs to periodically detect the pressure in the protection zone, and if the pressure detected by the differential pressure sensor is transmitted, the pressure is periodically stored, and the atmospheric pressure is set as the reference pressure, and the predetermined pressure is further elevated to the reference pressure to protect the protection. A controller configured to set the constant pressure of the zone and compare the set constant pressure with the periodically detected pressure to transmit an opening / closing instruction signal of the protection zone; A motor driver connected to the controller and driving a motor in response to a control instruction of the controller when a fire detection signal is input to the fire detection sensor; And And an automatic closing device for opening and closing a protection zone by driving a motor in response to a driving signal of the motor driving unit. The method of claim 1, When the fire is detected by the fire detection sensor, the atmospheric pressure sensor tube closing device for closing the atmospheric pressure sensor tube in accordance with the instructions of the controller to set the pressure closed in the atmospheric pressure sensor tube as a reference pressure, characterized in that it further comprises: Self-locking device. A fire detection sensor installed in the protection zone and transmitting a fire detection signal by detecting a fire in case of a fire in the protection zone; An injection head for injecting fire extinguishing gas into a protection zone when a speaker detection signal is input to the fire detection sensor; When a fire is detected by the fire detection sensor, the pressure sensor is installed on the inside / outside or a damper to periodically detect the pressure of the protection area, and transmit the detected pressure; Connected with the fire detection sensor and the pressure sensor, when the fire detection signal is input by the fire detection sensor to control and control the protective zone closing signal and the injection of the extinguishing gas of the injection head, and periodically the pressure in the protective zone with the pressure sensor When the pressure sensed by the pressure sensor is transmitted, the sensor periodically stores the detected pressure. The initial pressure is set as the reference pressure, and the predetermined pressure is further increased to the reference pressure. A controller configured to compare the set constant pressure with a periodically sensed pressure and transmit an opening / closing instruction signal of the protective area; A motor driver connected to the controller and driving a motor in response to a control instruction of the controller when a fire detection signal is input to the fire detection sensor; And And an automatic closing device for opening and closing a protection zone by driving a motor in response to a driving signal of the motor driving unit.

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