KR101457435B1 - Water supply apparatus for a sprinkler - Google Patents

Abstract

The present invention relates to an automatic water supply apparatus of a cabinet form to automatically supply water to a temporary sprinkler using a water supply. The water supply apparatus for a temporary sprinkler includes: a casing (110) having a water tank (130) disposed therein and an output unit (120) which displays various kinds of information, such as operation information and state information in texts by items and outputs information of the corresponding item by lighting of a lamp; a static water level control unit (131) which is connected with a water supply line to constantly control a storage amount of water which is supplied through a water supply pipe disposed in the casing and is stored in the water tank; a water level detecting unit (132) for detecting the water level of the water tank; a water supply pump (140) which is assembled with a firefighting line (OL), has an outlet connected with a discharge pipeline (L2) disposed inside the casing (110) and an inlet connected to the water supply pipe (FP) communicating with the water tank (130) in order to discharge water stored in the water tank (130) to the discharge pipeline (L2); first and second check valves (151)(152) for preventing a back flow of water inside a pipeline part; a pressure switch (161) and a flow rate switch (162) for detecting pressure and flowing water of the discharge pipe; a battery (170) which is disposed inside the casing to be used as standby power; and a control unit (200) which receives a detection signal from the pressure switch or the flow rate switch to control operation of the water supply pump, receives commercial electricity to charge the battery and operates the water supply pump using electricity of the battery.

Description

[0001] The present invention relates to a water supply apparatus for a sprinkler,

The present invention relates to an automatic fire-fighting water supply system in the form of a cabinet for automatically supplying fire-fighting water to a simple sprinkler using a water supply.

The sclerkler system is installed in the building and it is a facility for initial suppression when a fire occurs. It automatically detects the fire and the scraper in the area where the fire is detected operates to suppress the fire.

The general scracler system is installed mandatory in large buildings, and a large water tank is installed on the ground and rooftop to ensure sufficient water for fire fighting, a water line for feeding the water for fire to the scroller installed on each floor, A water supply pump should be installed, and a water supply line and water pumps should be installed to pump water to the rooftop water tank. Therefore, a scraping system installed in a large building costs a lot of construction and maintenance.

On the other hand, unlike the sclerkler system of a large building, small houses or small buildings only contain fire extinguishers or simple fire extinguishing equipment.

To solve these problems, a small-scale fire fighting facility using a simple scraper has been proposed.

For example, U.S. Pat. No. 4,366,865 (Registered on Mar. 1, 1983) proposes a monolithic scraping system using a water tank, initially supplying water to the scraping head from the direct feed pipe, The water stored in the water storage tank can be pumped to the scrachler head by the pump.

FIG. 1 is a block diagram of the scraping system of the U.S. Patent No. 6,402,207. Water is supplied from the direct water supply pipe 18 to the water storage tank 14 and stored. When the water storage tank 14 is full, do. The direct water supply pipe 18 is connected directly to the main supply pipe 34 through the branched branch 22 to supply water to the scrachler head and the pressure of the main supply pipe 34 due to the use of a plurality of sprinkler heads The pump 16 is operated to supply the water of the water storage tank 14 to the scraping head.

On the other hand, check valves 30 and 42 are provided on the branch 22 and the main supply pipe 34, respectively, to prevent backflow.

U.S. Patent No. 4,366,865 (registered date: 1983.01.04)

Patent Registration No. 10-0456071 (registered on October 28, 2004)

The present invention intends to provide a water supply device for a fire extinguisher for a simple sprinkler which can be easily moved and installed and is easy to operate and manage by further improving the conventional simple scraping system.

In order to achieve the above object, a fire water supply device for a simple sprinkler according to the present invention includes a water tank inside, and various information including operation information and status information are displayed on the outside in letters, A casing integrally provided with an output section for outputting information by lighting; A water level adjusting unit connected to the constant line and supplied through a water supply pipe provided in the casing to constantly adjust the amount of water to be stored in the water tank; A water level detection unit for detecting a water level in the water tank; A discharge pipe connected to a discharge pipe provided in the casing and connected to a discharge pipe connected to a fire line having a plurality of sprinkler heads and connected to a water supply pipe communicated with the water tank and discharging fire water stored in the water tank to the discharge pipe A water supply pump; A first check valve provided in a connection pipe for connecting the water supply pipe and the discharge pipe to prevent reverse flow of water supplied from the water supply pipe to the discharge pipe; A second check valve provided on the water supply pipe to prevent water from flowing back to the water tank from the water supply pump; A pressure switch for detecting a pressure of the discharge pipe; A flow rate switch for detecting the flow rate of the discharge pipe; A battery provided inside the casing and usable as a standby power source; A control unit that receives a detection signal from the pressure switch or the flow rate switch to control driving of the water supply pump, charges the battery by receiving a commercial power supply, and drives the water supply pump by using power of the battery Unit.

Preferably, the present invention further comprises: an inlet valve provided in the water supply pipe so as to open and close the supply of water to be supplied from the constant line; The control unit may further include a temperature switch for detecting an operation of the inlet valve and transmitting a detection signal to the control unit, wherein the control unit outputs the operation status of the temperature switch through the output unit according to a detection signal of the temperature switch do.

Preferably, in the present invention, the control unit includes: a charging unit for charging the battery using a main power source; A converter for converting the DC power charged in the battery into an AC power for driving the water supply pump; And a controller for controlling the charging unit and the converter.

Preferably, in the present invention, a first relay for switching a main power source applied to a feed pump and the converter power source; And a second relay connected in series with the first relay for opening / closing a power source applied to the feed pump.

Preferably, in the present invention, each item displayed on the output unit includes a power output unit including items indicating a power source to be operated; An operation output unit for indicating an operation state of the water supply pump; And an inspection output section for displaying inspection items including an operation state of the charging circuit of the battery and an operation state of the detection device.

Preferably, in the present invention, the output unit further includes an output device for outputting a warning sound.

The fire water supply device for a simple sprinkler according to the present invention includes an auxiliary power source so as to be able to operate even during a power failure, and it is also possible to easily perform piping work and installation work constituting a simple sprinkler system, The output unit is provided integrally with the casing so that operation and management are facilitated.

Further, the fire-fighting water supply device for a simple sprinkler according to the present invention has an effect that it is not necessary to supply the priming water necessary for the initial operation of the water supply pump.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram of a prior art simple scraping system; Fig.
FIG. 2 is a front view showing a front view of a fire water supply device for a simple sprinkler according to the present invention,
3 is a configuration diagram of a water supply device for fire fighting for a simple sprinkler according to the present invention,
4 is a block diagram of a control unit of a water supply device for fire fighting for a simple sprinkler according to the present invention;
5 is a view showing a preferred embodiment of an input / output unit of a fire water supply device for a simple sprinkler according to the present invention.

The specific structure or functional description presented in the embodiment of the present invention is merely illustrative for the purpose of illustrating an embodiment according to the concept of the present invention, and embodiments according to the concept of the present invention can be implemented in various forms. And should not be construed as limited to the embodiments described herein, but should be understood to include all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Meanwhile, in the present invention, the terms first and / or second etc. may be used to describe various components, but the components are not limited to the terms. The terms may be referred to as a second element only for the purpose of distinguishing one element from another, for example, to the extent that it does not depart from the scope of the invention in accordance with the concept of the present invention, Similarly, the second component may also be referred to as the first component.

Whenever an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but it should be understood that other elements may be present in between something to do. On the other hand, when it is mentioned that an element is "directly connected" or "directly contacted" to another element, it should be understood that there are no other elements in between. Other expressions for describing the relationship between components, such as "between" and "between" or "adjacent to" and "directly adjacent to" should also be interpreted.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. It will be further understood that the terms " comprises ", or "having ", and the like in the specification are intended to specify the presence of stated features, integers, But do not preclude the presence or addition of steps, operations, elements, parts, or combinations thereof.

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

Fig. 2 is a front view of a fire water supply device for a simple sprinkler according to the present invention (hereinafter abbreviated as "fire water supply device").

2, the fire-fighting water supply apparatus 100 according to the present invention includes a casing 110 in which a facility is stored in the form of a package. Preferably, a water tank 130 is installed below the casing 110 And related equipment such as pipe piping, a pump, a battery, and a control unit, etc. may be disposed at an upper portion of the water tank 120.

In the outside of the casing 110, various information including operation information and status information are displayed as characters on an item basis, and an output unit 120 for outputting information by lighting a lamp for the item is provided. Will be described again in the related drawings.

A first connector 111 for connecting to a constant line used as a fire fighting water and a second connector 112 for connecting to a fire line having a plurality of sprinkler heads are provided at an upper end of the casing 110. Accordingly, in the water supply device for fire fighting water according to the present invention, only the constant line and the fire line are connected to the first connector 111 and the second connector 112, respectively, to complete the piping work.

Fig. 3 is a configuration diagram of a fire water supply device for a simple sprinkler according to the present invention.

3, the fire-fighting water supply device 100 includes a water tub 130 integrally provided at a lower portion of the casing 110, a pipe portion provided above the water tub 130 in the casing 110, a water supply pump 140, a battery 170, and a control unit 200.

The water tank 130 is provided with a water level adjusting unit 131 for constantly controlling the amount of water to be stored and a water level detecting unit 132 for detecting the water level.

The water level adjusting unit 131 adjusts the amount of water supplied through the water supply pipe L1 and stored in the water tank 130. The water level adjusting unit 131 is connected to a floater that moves up and down according to a water level by buoyancy, And can be provided by a ball valve which is opened and closed.

The water level detector 132 detects the water level of the water stored in the water tank 130. When the water level is detected below a predetermined level, the water level detector 132 can be used to warn that the water level of the fire water is low.

A first drain port 133 is provided at the lower end of the water tank 130 so that the water for fire extinguishing can be discharged when the water for fire extinguishing water of the water tank is left for a long time to be dirty or periodically inspected. The water discharge port 133 may be provided to discharge the water for fire extinguishing water when the water level control section 131 is not normally operated.

In the present embodiment, the piping portion provided inside the casing 110 is connected to the constant line IL and connected to a water supply pipe L1 through which water for fire fighting water is supplied and a fire-fighting line OL provided with a plurality of sprinkler heads, A discharge pipe L2 through which water is discharged and a connection pipe L3 branched from the water supply pipe L1 and connected to the discharge pipe L2.

The water for fire fighting water is stored in the water tank 130 through the water level control unit 131 described above to secure a certain amount of water for fire fighting and the connection pipe L3 branched from the water supply pipe L1, A first check valve 151 is provided to prevent backward flow of water from the discharge pipe L3 to the water supply pipe L1 side.

In addition, the water supply pipe L1 may be provided with a water inlet valve 180 capable of opening and closing the supply of the water for fire water from the constant line IL. Particularly, the water inlet valve 180 is provided with a tempering switch So that the operation state of the inlet valve 180 can be confirmed from the outside.

The discharge pipe (L2) is provided with a water supply pump (140) for feeding the digestive water stored in the water tank (130).

Particularly, in the present invention, the discharge port of the water supply pump 140 is connected to the discharge pipe L2, the suction port is connected to the water supply pipe FP communicating with the water tank 130, And a check valve 152 is provided.

The second check valve 152 prevents water from flowing back to the water tank 130 through the suction port of the water supply pump 140. Particularly, since the second check valve 152 is installed in the water supply pipe FP, The water for fire supply supplied through the water supply line L1 is supplied with water pressure to the front end of the second check valve 152 of the water supply pipe FP through the discharge port of the water supply pump 140, Do not require the priming operation.

Generally, in the initial operation of the pump, the fluid is not filled in the pump. Therefore, there is a problem that it is difficult to inhale the fluid during the initial operation. In order to do this, the fluid must be filled with the primer to fill the inside of the pump.

On the other hand, if electrical equipment such as a battery and a control unit is installed in the casing adjacent to the pump, damage to the water-sensitive peripheral equipment may occur during the priming operation of the pump.

In the present invention, when fire-fighting water is supplied through the water line L1 after the installation of the facility, a certain water pressure acts on the line connecting the discharge port, the suction port, and the water supply pipe FP of the water supply pump 140, There is an advantage that the priming necessary for the initial operation is not required.

Next, a pressure switch 161 for detecting the water pressure and a flow rate switch 162 for detecting the water flow are provided on the side of the discharge pipe L2, and a pressure gauge 163 can be further provided so as to confirm the water pressure information .

The signal detected by the pressure switch 161 and the flow rate switch 162 is transmitted to the control unit 200 and the drive of the feedwater pump 140 is controlled according to the signal detected by the pressure switch 161 or the flow rate switch 162 .

For example, in the present invention, when the pressure switch 161 is above a predetermined water pressure (for example, 0.4 MPa or more), the constant line IL, the water supply pipe L1, the connection pipe L3, When the pressure switch 161 is under a predetermined water pressure (0.4 MPa or less), the water supply pump 140 is operated and the water in the water tank 130 (130) is supplied to the sprinkler head Can be supplied to the fire-fighting line OL through the discharge pipe L2 to be extinguished.

The present invention further includes a flow switch 162 for detecting the flow rate of the discharge pipe separately from the pressure switch 161. Accordingly, even if the pressure switch 161 fails, the scrachler head is opened by the fire When the flow rate is generated in the discharge pipe L2, the flow rate switch 162 operates to transmit a detection signal to the control unit 200. The control unit 200 controls the supply pump 140 To send and receive the fire water stored in the water tub 130. [

As described above, in the present invention, the operation of the water supply pump 140 is determined by using the flow rate switch 162 provided in the discharge pipe L2 separately from the pressure switch 161, The water supply pump 140 is operated by the flow rate of the discharge pipe L2 so that normal fire water can be supplied at the time of occurrence of a fire, so that the operation reliability can be improved.

Next, a battery 170 and a control unit 200, which are used for a standby power source, are provided in the casing 110. The supply device of the present invention is operated by a commercial power source, Operation is possible using stored power.

The control unit 200 receives the detection signal from the pressure switch 161 or the flow rate switch 162 to control the operation of the water supply pump 140 and receives the commercial power to charge the battery 170, The operation of the water pump 140 can be performed by using the power of the battery 170 and the power of the water pump 140 by using the power of the battery 170. [

4 is a block diagram of the control unit of the water purifier for fire fighting for a simple sprinkler according to the present invention.

As illustrated in FIG. 4, the control unit 200 includes a control unit 210, a charging unit 220, and a converter 230.

The control unit 210 receives detection signals from various detection means, compares them, and outputs control signals for the respective devices.

Specifically, the control unit 210 receives detection signals from the pressure switch 161 and the flow rate switch 162 to control the driving of the water supply pump 140.

Although not shown, the control unit 210 may be provided outside the water supply unit for fire water, and may receive a fire detection signal from a fire detection unit installed in the room, and the water supply pump may be driven according to a signal received from the fire detection unit.

 The open / close state of the inlet valve 180 can be output to the outside from the detection signal of the tempering switch 164 provided in the inlet valve 180 (see FIG. 3). Further, from the detection signal of the water level detector 132, If the fire water is below the appropriate level, it can be output to the outside.

The charging unit 220 charges the battery 170 using a commercial power source as a main power source. The controller 210 prevents overcharging and overdischarge and maintains the battery in the best condition by trickle charging.

The converter 230 converts the DC power charged in the battery 170 into an AC power for driving the water supply pump 140.

The control unit 200 further includes a first relay 241 for switching a main power source and a converter power source applied to the water supply pump 140 and a second relay 242 connected in series with the first relay 241 to be connected to the water supply pump 140 And a second relay 242 for opening and closing the power source. The first and second relays 241 and 242 are switched by a control signal of the controller 210. [

The signals detected by the various detection devices in the control unit 210 are outputted to the outside through the output unit 120 to output the operation state of the water supply device for fire water and management information required to be inspected for each item.

In addition, an operation unit 190 such as an operation button necessary for operation and management from the outside can be provided. An administrator operates the operation unit 190 to check the state of the water supply device for fire water or to stop the alarm sound output upon occurrence of an alarm sound can do.

5 is a view showing a preferred embodiment of the input / output unit of the fire water supply device for a simple sprinkler according to the present invention.

As illustrated in FIG. 5, the output unit 120 of the present invention displays various information such as operation information and status information by characters 120a, and the lamp 120b is lit So that necessary information can be outputted.

Preferably, each output information is divided into a 'power unit' output unit including items related to the power system, an 'operation unit' output unit including items related to the operation status, and an 'inspection unit' output unit including the maintenance items .

For example, the 'inspection unit' may be composed of a 'main power source' and a 'standby power source', which indicate the power source where the operation is performed. In the 'main power source', when the main power source is normally supplied, The corresponding lamp may be turned on when the operation is performed by a battery other than the main power source.

Next, 'operating part' is composed of 'Pump' and 'Fire', and each lamp can be lighted when the pump is operating and when fire is detected.

The 'checking unit' may be composed of items requiring maintenance for normal operation. For example, the 'checking unit' may be a 'battery' that flashes when the battery is abnormal, a 'charging unit' that flashes when the charging circuit and the inverter circuit are abnormal, There may be a 'pressure switch', a 'water flow detection', and a 'temper switch' for indicating the operation states of the pressure switch, the flow switch and the temper switch, respectively. There may be a 'low water level' flashing when the water level of the fire water is low.

These check items are illuminated by the lamp for each item regarding the malfunction or the current operation state, so that the manager can easily grasp the current operation state or easily recognize the items to be inspected.

An operation unit 190 may be further provided adjacent to the output unit 120. The operation unit 190 may include an operation test button for confirming an operation function of the water supply pump and a stop button An alarm stop button "

Reference numeral 121 denotes a speaker which is an output device for outputting an alarm sound. When the corresponding lamp is turned on for the various items described above, an alarm sound through the speaker 121 may be output.

Since the output unit 120 or the operation unit 190 is integrally formed on the front surface of the casing, the lamp unit is formed by a lamp in which letters are displayed on a character-by-item basis and corresponded to corresponding character items so as to be lit, The operating state can be grasped and the maintenance and maintenance convenience can be improved.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be apparent to those of ordinary skill in the art.

100: Water supply device for fire water 110: Casing
111: first connector 112: second connector
120: output unit 120a: character
120b: lamp 121: speaker
130: Water tank 131:
132: water level detection unit 133: first drain port
134: second drainage port 140: feed pump
151: first check valve 152: second check valve
161: Pressure switch 162: Flow switch
163: Pressure gauge 164: Tempering switch
170: Battery 180: Intake valve
190: operating part 200: control unit
210: control unit 220:
230 converter 241 first relay
242: second relay IL: constant line
L1: water supply pipe L2: discharge pipe
L3: Connection piping OL: Fire line
FP: Water supply pipe

Claims (6)

And an output unit 120 in which various information including operation information and status information are displayed in letters on an external basis and information is output by turning on a lamp for the item, A casing 110 provided therein;
A water level adjusting unit 131 connected to the constant line IL and supplied through a water supply pipe L1 provided in the casing 110 to constantly adjust the amount of water to be stored in the water tank 130;
A water level detection unit 132 for detecting the water level in the water tank 130;
A discharge pipe (L2) provided in the casing (110) and a discharge port are connected to each other and a water supply pipe (FP) communicating with the water tank (130) A water supply pump 140 for discharging the digestion water stored in the water tank 130 to the discharge pipe L2;
A first check valve 151 provided in a connection pipe L3 for connecting the water supply pipe L1 and the discharge pipe L2 to prevent backflow of water supplied from the water supply pipe L1 to the discharge pipe L2, Wow;
A second check valve 152 provided on the water supply pipe FP to prevent water from flowing backward from the water supply pump 140 to the water tank 130;
A pressure switch (161) for detecting the pressure of the discharge pipe (L2);
A flow rate switch 162 for detecting the flow rate of the discharge pipe L2;
A battery 170 provided in the casing 110 and usable as a standby power source;
And receives a detection signal from the pressure switch 161 or the flow rate switch 162 to control the operation of the water supply pump 140 and to charge the battery 170 in response to a commercial power supply, And a control unit 200 for driving the water supply pump 140 using a power source of the water supply pump 170,
The control unit (200)
A charging unit 220 for charging the battery 170 using a main power source;
A converter 230 for converting the DC power charged in the battery 170 into an AC power for driving the water supply pump 140;
And a control unit 210 for controlling the charging unit 220 and the converter 230,
A first relay (241) for switching a main power source applied to the water supply pump (140) and a power source of the converter (230); And a second relay (242) connected in series to the first relay (241) for opening and closing a power source applied to the water supply pump (140). The water treatment system according to claim 1, further comprising: a water inlet valve (180) provided in the water supply pipe (L1) so as to open and close the supply of fire water supplied from the constant line (IL); The control unit 200 further includes a tempering switch 164 for detecting the operation of the inlet valve 180 and transmitting a detection signal to the control unit 200 And outputs the operating state of the tempering switch (164) through the output unit (120). delete delete 2. The apparatus of claim 1, wherein each item displayed on the output unit (120) includes: a power output unit having items indicating a power source to be operated; An operation output unit for indicating an operation state of the water supply pump; And an inspection output section for displaying maintenance items including an operation state of the charging circuit of the battery and an operation state of the detection device. The fire water supply apparatus for a simple sprinkler according to claim 1 or 5, wherein the output section further comprises an output device for outputting a warning sound.

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