RU187192U1 - CONTROL UNIT SPRINKLER AIR - Google Patents

Abstract

The air sprinkler control unit for the signal valve is a signal valve with pipelines attached to it, pipe fittings, signal and shut-off elements, an assembly control module consisting of a housing and an adjoining unit having connection holes for an accelerator, pressure gauges with valves, air supply lines, with the ability to connect a pressure control unit, a filter tap, while a signal device is mounted in the module case, and between the module case and the unit adjoining there is a cavity with a non-return valve installed in it.

Description

The utility model relates to fire fighting equipment, and more specifically to fire extinguishing installations. The control unit is a signal valve with a combination of pipelines, pipe fittings, shut-off and signal devices that reduce the likelihood of false alarms, measuring instruments and other devices connected to the signal valve and designed to control, monitor the status and verify the operability of the fire extinguishing installation during operation, and also for issuing a signal for the formation of a command pulse for controlling elements of fire automatics (fire pumps, system Alert, ventilation, process equipment).

The prior art sprinkler control unit RU 121165 is known.

A known node contains: a signal valve with a flange housing with inlet and outlet openings; a large and a small cover, a partition, a membrane is installed between the large cover and the partition, separating the working chamber into cavities and resting on a support disk connected through a stem with a valve, consisting of a gasket, a valve, a seat is pressed into the housing, the housing and the small cover are interconnected and form a motive chamber, divided by an additional membrane into cavities, a motive hole is made in the small cover; a node characterized in that a universal cover is made of a modular signal valve, in which there are openings and channels, the working hole being used to connect to the working pipeline, the signaling hole is used to connect the signaling device, the inducing hole is intended to be fed; the universal cover modular is a cylinder with channels and a stimulating chamber.

The outer cylindrical surface of the valve body is made in the form of protrusions with an internal thread; for attaching the modular cover to the signal valve body, through holes and corresponding channels in the body are used.

A large number of threaded connections made during assembly of the universal cover modular together with automation and control tools complicate the process of assembly and installation of the control unit, making the process low-tech.

The objective of the proposed utility model is to increase the manufacturability of the assembly of the control unit by reducing the number of mounted parts that are components of the site.

The technical result should be to create instead of a modular cover a new module capable of fulfilling all the functions of a universal modular cover and automation and control tools mounted on the cover, while the number of external connections made on the module should be reduced in comparison with the universal modular cover.

This goal is achieved by creating an air sprinkler control unit for a signal valve, including an angular housing with an inlet bottom hole and an outlet side hole, a large and a small cover, a partition installed between the large cover and the partition, a membrane that separates the working chamber into cavities and rests on a support disk connected through the stem with a shutter consisting of a gasket, a valve, a saddle is pressed into the housing, the housing and the small cover are interconnected and form an induction chamber, section with an additional membrane on the cavity, in the small cover a motive hole is made, according to a utility model, a prefabricated module is made up of a housing and an adjoining unit having connecting holes for installing an accelerator or electrovalve in them, two pressure gauges with taps, an air supply line, with the possibility of connecting a pressure control unit, a filter tap, while a signal device is mounted in the module housing, consisting of two pressure signaling devices connected to each other by a channel with an output through the signal channel to the signal valve cavity, a cavity is made between the module housing and the adjoining unit, in which a check valve is placed connecting the crane filter installed in the assembly line with the signal valve channels through internal channels.

The non-return valve integrated in the cavity between the module housing and the adjacent block includes a spring that supports the non-return valve housing, has channels and a seal installed between the non-return valve housing and the channel that is connected to the filter valve, has a communication channel with the valve working cavity signaling.

The utility model is illustrated by the drawings of FIG. 1, 2, 3, 4

In FIG. 1 is an isometric view of the complete assembly (without electric);

In FIG. 2 shows the assembly of the module housing and the adjacent unit, with internal wiring of the channels and with connecting holes;

In FIG. 3 shows a cavity device between the module housing and the adjacent unit.

In FIG. 4 shows a combined circuit of the assembly, including an image of the internal valve device of the signal module and docked to it.

In FIG. 1 are marked: a signal valve body 1, a prefabricated module consisting of a body 2 and an adjacent unit 3, pressure gauges 4 and 5, pressure gauge taps 6 and 7, a plug 8 for the accelerator or electromagnetic valve connection line, a non-return valve 9, a manual start valve 10, a drain a valve 11, an air supply line 12, a pressure control unit consisting of a check valve 13, a ball valve 14 of the main line, a ball valve 15 of the bypass line, a pressure reducing valve 16 and a compensator 17, a filter crane 18 of the working line, pressure alarms 19.

In FIG. 2 shows: a prefabricated module, which consists of a metal casing 2, a metal block connecting 3, has a connecting hole 20, for installing an accelerator or electromagnetic valve in it, has connecting holes 21 and 22 for mounting pipes with taps 6, 7 and c manometers 4, 5, a connecting hole 23 for the air supply line, a connecting hole 24 for installing a crane filter 18 of the working line therein.

At the same time, a signal device is mounted in the module housing, consisting of pressure signaling devices 19, connected by a channel 25 and connected by a signal channel 26 with a signal valve cavity 1.

In addition, between the housing of the module 2 and the block adjacent 3, a cavity 27 is made in which a spring-loaded check valve 28 is placed, and the cavity is not connected to the cavity 29 of the induction chamber of the module.

The check valve 28 integrated into the module (Fig. 3) includes a spring 30, a housing 31 with a communication channel 32 with a working line and a seal 33, a communication channel with a working cavity of the signal valve 34.

The signal valve with the lower flange is connected through the valve 35 with the supply pipe (Fig. 4), and the side flange with the supply pipe.

The supply of extinguishing agent (hereinafter referred to as OTV), for example, pressurized water, into the working pipeline is carried out through the connecting hole 24 through the check valve 28 and into the working cavity of the signal valve 34, then into the working chamber of the valve 36. The air is supplied to the cavity 29 of the induction chamber a module separated by a membrane 37 is carried out through a check valve 13 then through a pressure control unit consisting of a bypass valve 14, and a main line consisting of a valve 15, a pressure reducing valve 16 and a compensator 17, further to the crane 6 and manometer 4, which controls the air pressure in the induction chamber of the module and in the air-filled fire extinguishing system.

In the initial state (standby mode), the control node must be given in the following order:

- close all taps and gate valve 35,

- open the valve 14, fill the induction line with pneumatic pressure, control by pressure gauge 4,

- close the valve 14,

- open the tap 15,

- open the valve 18, raise the hydraulic pressure above the diaphragm valve, control by pressure gauge 5,

- open the valve 35.

In the initial state, the signal line with the fixed hole 38 installed on it is without OTV.

A test run of the unit can be carried out by smoothly opening the valve 11, while the pressure switches 19 should give a signal about the operation of the control unit.

From the influence of temperatures, the sprinkler sprinkler or other triggering device of the incentive line is triggered. In the incentive line, the pressure decreases. The increased pressure of the liquid from the working chamber 36 of the valve presses the membrane 37 of the induction chamber and the fluid flows into the signal line. The pressure in the working chamber 36 is reduced and the liquid in the supply pipe opens the valve shutter. From the signal line, water flows to the pressure switches 19, where a fixed hole 38 is installed in the path of the liquid to the drain, which creates additional resistance to the liquid, which increases the pressure in front of the pressure switches and they give an electrical signal. The control node goes into operating mode.

Based on the above description of the proposed utility model and comparative analysis, it can be argued that the use of a prefabricated module instead of a universal modular cover in the control unit allows, due to the presence of a check valve integrated in the module, pressure indicators and original channel wiring, to exclude from the assembly design: threaded, nut and locknut, tee, cross, pipe, check valve.

Reducing the mounted pipe fittings on a compactly made module allows you to reduce the assembly time and perform it more technologically during the assembly of the control unit.

Claims (2)

1. Air sprinkler control unit for a signal valve, including an angular body with an inlet bottom hole and an outlet side hole, a large and a small cover, a partition installed between the large cover and the partition, a membrane that separates the working chamber into cavities and rests on a supporting disk connected a saddle is pressed in through the stem with a shutter consisting of a gasket, a valve, a housing is pressed into the housing, the housing and a small cover are interconnected and form an induction chamber divided into strips by an additional membrane and, in the small cover a motive hole is made, characterized in that the prefabricated module is made up of a housing and an adjacent unit having connecting holes for installing an accelerator or electrovalve in them, two pressure gauges with taps, an air supply line, with the possibility of connecting a pressure control unit , a filter tap, while a signal device is mounted in the module housing, consisting of two pressure signaling devices connected to each other by a channel with an output through a signal channel to the valve cavity s of the cavity, in which a cavity is made between the module housing and the adjoining unit, in which a check valve is placed, connecting the crane filter installed in the assembly line through the internal channels with the signal valve channels. 2. The air sprinkler control unit for the signal valve according to claim 1, characterized in that the check valve integrated in the cavity between the module housing and the block adjacent to the valve has a spring that supports the check valve body, has channels and a seal installed between the check body the valve and the channel, which is connected with the filter tap, has a communication channel with the working cavity of the signal valve.

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