CN2353000Y

CN2353000Y - Wireless fire alarm device

Info

Publication number: CN2353000Y
Application number: CN 98204519
Authority: CN
Inventors: 林荣丰
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-05-12
Filing date: 1998-05-12
Publication date: 1999-12-08
Anticipated expiration: 2008-05-12

Abstract

The utility model relates to a wireless fire alarm device, which is composed of a set of or more sets of alarm sending devices and a set of main receivers of alarm. The alarm sending devices can automatically start when set room temperature is up to prewarning temperature, and send signals to the main receivers of alarm; then, alarm is triggered to switch on and sound, or further a relay is used for communicating with an alarm bell at the outside for reminding people to take emergency measures. The utility model prevents fire hazards from enlarging and spreading, ensures the safety of life property, and drops the harm extent of the fire hazards down to the minimum.

Description

The wireless type fire alarm

The utility model relates to a kind of wireless type fire alarm, mainly be that a group or more alarm sending equipment and one group of alarm master receiver of mat formed, transmitter is reached when giving alert temperature in room temperature just to be started automatically, and receive this early warning signal by the main device that connects of alarm, and then the inside and outside alarm sound of triggering and conducting, so that safe guaranteeing to be provided.

Usually the generation of fire, all be to be initiated at the trickle flame that has no early warning, be neglectful in taking precautions for the moment as people, tend to cause serious consequence, and fire spreading is very fast, as fail to take measures ahead of time, it develops the result, not only is difficult to guarantee on property, more can't fully ensure in personnel's life security, so whenever fire takes place, often escape does not have door or jumps out of the building and seeks survival and so tragic that one cannot bear to look at it; So for occurring in the late into the night or do not have adult's fire alarm accident on the scene, if can when the intensity of a fire is just little, just can for the supression of fire, can bring into play effective immediately power, and have the neighbourhood who keeps watch and help defend each other and defence effect jointly to indoor and outdoor breaking out of fire alarm signal.

The purpose of this utility model provides a kind of wireless type fire alarm, this device utilizes a group or more alarm sending equipment to be preset in the place of indoor easily breaking out of fire (as the kitchen, get into bed to reaching place, parlor etc.), significantly one group of alarm master receiver is set the place at sound effect in addition, be provided with a temperature sensitive switch in this alarm sending equipment, enable to set just conducting automatically when arriving the early warning temperature, and launch through the signal of amplification frequency one through an integrated circuit and an oscillatory circuit, the signal of this frequency is received by alarm master receiver just, it is one sound IC actuated and by the loudspeaker sound that gives the alarm to allow this signal transfer to via the resonant circuit of main receiver and operational amplifier, so just can impel people to take emergency measure as early as possible, prevent that fire from expanding, the safety of lives and properties is guaranteed.

Another purpose of the present utility model provides a kind of wireless type fire alarm, transmitting of this alarm sending equipment also can further cooperate a relay to connect with the alarm bell reporting chain line in the external world, at the first time-out of fire alarm, just can be at the indoor and outdoor sound that gives the alarm simultaneously, the common assistance that performance neighbourhood community keeps watch and help defend each other is in the hope of the strick precaution of fire fatal accident and give elimination.

The utility model is achieved in that it is made up of the alarm sending equipment more than a group and one group of alarm master receiver, mainly utilize the signal emission of wireless remote control to make the warning horn sound that gives the alarm with receiving, it is characterized in that: alarm sending equipment, be installed in the indoor easily chosen place of breaking out of fire, the thermoswitch that is provided with a temperature sensitive switch in this alarm sending equipment and this temperature sensitive switch setting is controlled, and be provided with a transistor at front end, and parallel connection is provided with an integrated circuit and the oscillatory circuit that a model is TT8092A in the circuit, also is provided with to cooperate another transistor to launch the outwards oscillatory circuit of output through the frequency signal that amplifies; Alarm master receiver, be installed in the significant chosen place of sound effect, it has the receiving antenna of the reception specialized in from the frequency signal of the outside output of alarm sending equipment, and the loudspeaker that are transferred to a speech IC and the sound that gives the alarm after making this signal through a resonant circuit, operational amplifier.The configuration of above-mentioned alarm sending equipment of mat and alarm master receiver is formed, and when alarm sending equipment predicts room temperature and reached design temperature, just sends set specific frequency signal automatically, finishes the sound that receives the back and send the emergency alarm for alarm master receiver.

Wherein alarm master receiver can be provided with and can form a relay and the power connection that line is connected with the alarm bell reporting chain in the external world.

The utility model is made up of a group or more alarm sending equipment and one group of alarm master receiver, alarm sending equipment is set in when room temperature arrives the early warning temperature just to be started automatically, and transmit to alarm master receiver, and then triggering and conducting alarm sound, or further utilize a relay to be communicated with extraneous alarm bell, and take emergency measures with reminds people, prevent expanding of fire, guarantee the security of the lives and property, and reduce to the fiery extent of injury of fire minimum.

Fig. 1 is the stereoscopic figure of alarm sending equipment in the utility model;

Fig. 2 is the composition synoptic diagram of alarm sending equipment inside in the utility model;

Fig. 3 is the stereoscopic figure of alarm master receiver in the utility model;

Fig. 4 is an alarm master receiver schematic partial sectional view in the utility model;

Fig. 5 is built-up circuit figure of the present utility model.

As shown in drawings, the utility model is the overall package utilization of wireless type fire alarm, its alarm sending equipment 1 and one group of main device 2 that connects of alarm by a group or more is formed, mainly be the signal emission and reception that utilizes wireless remote control, to order about warning horn generation alarm sound (in the lump with reference to circuit diagram shown in Figure 5), wherein: alarm sending equipment 1 is (as Fig. 1, shown in Figure 3), default in the chosen place (kitchen for example of indoor easily breaking out of fire, bedroom and parlor etc. are everywhere), can single group or polycomponent do not install all and be regardless of, but the formation of this alarm sending equipment 1 can be used directly, alternating current (embodiment then supplies Voltaic battery among the figure) but establish a temperature sensitive switch 11 in needing, and be provided with a transistor 12 at front end, and parallel connection is provided with an integrated circuit 13 and an oscillatory circuit 14 in the circuit, above-mentioned temperature sensitive switch 11 is then set control by thermoswitch, make it just conducting automatically when instantaneous temperature arrives setting value, so that circuit turn-on, and will be through the outwards output of frequency signal emission of amplifying by oscillatory circuit 14 another transistors 15 of cooperation; Alarm master receiver 2, as Fig. 2, shown in Figure 4, be installed in the significant chosen place of sound effect, it has the reception specialized in from the outside receiving antenna 21 of the frequency signal of output of alarm sending equipment 1, makes to be transferred to a speech IC 25 behind the resonant circuit 22, operational amplifier 23,24 of this signal process and by loudspeaker 26 sound that gives the alarm.The above-mentioned alarm sending equipment 1 of mat is formed with the configuration of alarm master receiver 2, when alarm sending equipment 1 predicts room temperature and has reached the early warning design temperature, just send set specific frequency signal automatically, finish the sound that receives the back and send the emergency alarm for alarm master receiver 2, to impel the user to take emergency measure as quickly as possible, prevent expanding of fire.

In addition, alarm master receiver 2 also can further cooperate a relay 27 and can supply the power connection 28 of external combination in the utility model, forming line with alarm bell 29 reporting chains with the external world connects, so when 2 conductings of alarm master receiver, decapacitation internally provides the alarm sound, and because touching in the lump of relay 27 is logical, so just time-out just can be simultaneously to the outdoor sound that gives the alarm in fire alarm, make pulling together jointly that its performance neighbourhood community keeps watch and help defend each other, to eliminate fire failure.

Claims

1, a kind of wireless type fire alarm, it is made up of the alarm sending equipment more than a group and one group of alarm master receiver, mainly utilize the signal emission of wireless remote control to make the warning horn sound that gives the alarm with receiving, it is characterized in that: alarm sending equipment, be installed in the indoor easily chosen place of breaking out of fire, the thermoswitch that is provided with a temperature sensitive switch in this alarm sending equipment and this temperature sensitive switch setting is controlled, and be provided with a transistor at front end, and parallel connection is provided with an integrated circuit and the oscillatory circuit that a model is TT8092A in the circuit, also is provided with to cooperate another transistor to launch the outwards oscillatory circuit of output through the frequency signal that amplifies; Alarm master receiver, be installed in the significant chosen place of sound effect, it has the receiving antenna of the reception specialized in from the frequency signal of the outside output of alarm sending equipment, and the loudspeaker that are transferred to a speech IC and the sound that gives the alarm after making this signal through a resonant circuit, operational amplifier.

2, wireless type fire alarm as claimed in claim 1 is characterized in that: wherein alarm master receiver can be provided with and can form a relay and the power connection that line is connected with the alarm bell reporting chain in the external world.