SU14611A1 - Electric Fire Alarm Device - Google Patents

Description

The present invention relates to electrical fire alarm devices and consists in applying an automatic switch to turn on a backup current source. interrupter, three contact signaling devices and other parts, separately well-known and widely used in various fields of electrical engineering.

The drawing shows a diagram of the proposed device, in which the ends of the primary windings of transformers 11 and 80 are connected to the network of the transferred current AV with control lamps 4 60. The secondary circuit of the transformer 11 is connected alongside successively windings of electromagnetic announcers 17 18 and 19 that are short-circuited with three contacts (a 6, c) with signal devices 17, 18 and 19, and an acoustic signal device 16 designed to monitor the passage of current in the specified secondary circuit. In parallel with each of the windings of the announcers 17 18 and 19, acoustic signaling devices 17, 18, 19 were turned on; when you press one of the three-contact devices, 18, to 19, and the condition of the line is good, remove the signal at the station. With help; and installed at the station switches E, E to E, winding

notifiers 17, 18 and 19 may be short-circuited. One of the contacts (contact C) of the devices 17 ,, 18, and 19, is grounded so that at the time of the signal, when contact is connected to b, a bell 15 comes into effect, installed at the station and included in the wire 51 , connecting the middle point of the secondary winding of the transformer. the middle point of the secondary winding of the transformer 12 to the ground. The relay 3 serves to turn on the primary winding of the transformer 18 through the current interrupter 63 into the circuit of the DC source 61 (battery) in the event of a termination of the current in the wires A, B. Simultaneously with the relay, the o-relay 13 non-switches all the listed devices installed in protected places into the secondary circuit of the transformer 12. The devices 17 -ZSj and 19 are equipped with plug-in jacks S3, 22, 21 for switching on the telephone for negotiations with the station which also has a plug socket 10; lastly, a plug 58 can be inserted, including into the wires of the notifiers, through a switch 14, an obn phone, fed from the secondary winding f) 7 of the induction coil 58 connected by its primary winding to the circuit of the battery 63; with the inclusion of a plug 58 between the protected places and the station a telephone connection is established

A transformer 50 is installed at the station; fuses 64, 63 and two control lamps 59 and 60 are connected to the primary winding circuit 30 of which is connected to an AC alternating-current circuit. 13 The secondary winding circuit 30 of this transformer opens and closes using the push button R c two pins 66 and 36, included calls 29, 30, 32, located in the apartments of the fire brigade personnel, and relays 34 with corona 39, closing the control call 55 circuit through contact 5 when the wire was broken or there was no current in the AB wires; if the latter takes place, the current source can serve as an inductor 57, switched on by the help of switch 27. With the help of inductor 37 and switch 14, telephone communication can be established with subscribers of a direct action, such as, for example, pump 67 or City Fire Department 68 and etc., which have electrodes, rotary detectors and telephones, and a call is served by a call 69. To charge the battery of the batteries, use a mechanic rectifier 0 with bark 75 that is switched on by means of the switch 72 to the AC circuit through fuses 70, 71. Consistently with the winding of the rectifier 40 lamps included 74.

If there is an alternating current in the wires AB, it enters the primary winding of trapsformer 11 through fuses 1, 2 and control lamp 4. Relay 5, the ends of which winding are connected to the primary winding circuit of transformer 11 after fuses 1, 2, attracts measles 6, and The control lamp 5 is on. The current injected in the secondary winding of the transformer comes from one end of this winding through pin 8, measur 7o relay 13, to electromagnetic pickup 19j, fuse 41, contacts a, b of a three-pin alarm device 19, fuse 42 to a pickup 18, etc. . Through contacts a, 6 of device 17, fuse 46 and blenker 16 back to transformer 11. Blenker 16 indicates the presence of current in the circuit.

In the event of a fire in one of the protected places (for example, 19), the button of a three-contact signaling device is pressed, as a result of which contacts a and b are disconnected and contacts & and c will be connected and one of the wires grounded; current coming from

transformer 11 will go partially through the winding of the announcer 19 ,,, partly through the winding of the acoustic signal receiver 19. Thus, as a result of pressing the button, there will be a triple signal. At the station, due to vibration of the annunciator core 19., the valve indicating the place of fire disappears, the acoustic sigalp device at the protected place when a part of the current passes through it, will come into effect and confirm the fire alert that it sigpal at the station has been received and in addition, due to the grounding of the wire, a bell 15 will be put into effect, installed at the station and connected to the wire connecting the ground from the midpoint of the secondary winding of the transformer 11.

When a wire is broken, one of the announcers, for example, 19, will continuously vibrate the measles of the announcer 19 and open the valve with the appropriate inscription. Before correcting the cut-off temporarily, to stop the vibration of the core, its winding is short-circuited with the E switch. The signal stops and, when the button of the device 19 is closed, the signal will be given only by the ring 15. When the ground lead is accidentally grounded, the ring 15 will ring continuously, since - torus 11 via bell, plates 26., 24, switch 28, to earth. To stop the signal, the switch 28 must be turned off and during a call, in the case of a call, only the announcer will work.

After correcting the wire, the installer reports this to the station so that switch E. or switch 28 is open again. Negotiations with the station are carried out in the following way: telephone contacts are inserted into plug 21 or 22 or 23 and the devices 17, 18 ,, or 19 are pressed several times. At the station, having received a warning bell, plug 56 is inserted into plug socket 10, contacts 24, 26 are disconnected, and contact 26 is connected to pin 1 of the plug.) 1Y 58. Current will flow from the secondary winding 57 and output coil 58 to switch 14 pins 5, 2 of this switch, pin 1 plug, pin 26 of jack 10, at the point 76 lines of wear. If there were corrections, for example, in the notifier 18, then the current from point 76 will go through fuse 41, three-contact signaling device 19, fuse -Sh, 43 to the telephone switched on by the fitter in this case 22, to the ground and through the grounded wire of the switch 14, his contacts, 4, telephone 56 in the winding o7. At the station, after negotiations with the assembler, they open the switch E and., 1 and 28.

The calm state of the notifier after turning on this non-switch confirms that the line is in good condition, the valve is working normally, the fitter responds "correctly, after which it pulls the plug of the telephone 22 out of the plug socket.

If one of the lighting wires A, B breaks or it stops current, the lamps 5.4 will go out, the current in relay 5 will stop, the measles 6 will disappear and connect to contact 7, as a result of which the current of the battery 61 will go from the positive clamp to point 50 branches: part of it will go to the relay 13 winding through the measles into the relay o, contact 7 to the minus of the battery. Anchor 75 of relay 13 moves away from pin 6 and is drawn to pin 9. Another part of the current from point 50 goes through the pin 52 of the current pickle 62, which comes into effect: the pin 52 vibrates and connects alternately with pin -55 and 54, as a result which direct current enters the primary winding of the trapsformer 12, then in one, then in the other direction. A secondary current is induced in the secondary winding of the transformer 12, which will flow into the signal circuit as relay 13 switches them to the secondary circuit of the transformer 12, disconnecting it from the secondary winding of the transformer 11. Battery charging, if there is no direct current, is generated from the circuit non-transitory current with the help of a mechanical switch 40, included in the switch 72.

To signal the premises and apartments of the fire brigade, a transformer 20 with two control lamps 59 and 60 serves. The current induced in the secondary winding 20 of transformer 20 cuts the relay 34 ,. through the ring wire, through pin 66 and button K returns to the winding. Relay 34 attracts measles 39. To call in the event of an alarm, you must press the I button. The contact plate of the K button moves away from pin 66 and connects one

the end of the winding 20 to the ground through the contact 56. The current goes to the relay 34 and from the ring wire through the calls 29, 30, 31, 32 passes into the ground, then to the contact 36 and back to the winding. All calls are ringing. If the wire breaks, the relay will release the measles 39, which connects to pin 35 and closes the galvanic battery circuit, which includes call 33, notifying of the damage.

At the time the gap is repaired, the switch 77 closes, the switch 39 of the relay 34 is on, and the call stops ringing, but the connection is not broken. In the absence of current in the lighting network, the relay 34 will release the measles 39; call 55 will also ring. In this case, interrupting the bell 55 circuit with the 7S switch, use an inductor 57 for alarm, which can be turned on by the switch 27 when connecting its contact plates 1 ъ 2. The inductor also serves to call the subscribers of the direct action, such as: pump 67, Urban fire department 68, etc., for which the 5S plug should be inserted into the jacks, press the switch button 14.

The subject of the patent.

1. A device for electric fire alarm, characterized by cumulative use: a) three-signal signal devices installed in protected locations, closing in a quiet position, shortly winding electromagnetic sources connected in series B of a transformer circuit 11 or 12 b) of an automatic switch including the reserve DC source circuit, the current-breaker 62, and the relay 13, which is used to connect the linear devices in the circuit of the transformer 12, c) inductor, which serves to send with Ignals to protected places and to the premises of the fire brigade using switch 14.,

2. In the case of the device described in item 1, for giving alarm and response signals, as well as signals about the good condition of the line, the use of acoustic signal devices 15, 16, 17.. ,

3. When the device described in paragraph 1 is the use of a transformer 20, which serves for ringing using the push button R.

4. With the device described in paragraph 1, the use of mIe-phones, plug-in jacks and contacts serving

to establish communication between the central installation and the protected premises.

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