CN201269558Y

CN201269558Y - Fire security alarming apparatus of kitchen gas range

Info

Publication number: CN201269558Y
Application number: CNU2008200144898U
Authority: CN
Inventors: 郭继鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-28
Filing date: 2008-07-28
Publication date: 2009-07-08
Anticipated expiration: 2018-07-28

Abstract

The utility model relates to a safe fire use informing device for a kitchen gas stove, comprising a temperature relay RJ1, a human induction pyroelectric infrared sensor, a radio transmitting system, a plurality of radio receiving and informing devices and an intelligent gas valve, wherein, the temperature relay RJ1 is arranged near the stove plate bracket of a gas stove; the temperature relay RJ1 is connected with the human induction pyroelectric infrared sensor, the intelligent gas valve, the radio transmitting system and a power by electricity to form a gas monitoring system; the plurality of radio receiving and informing devices are respectively and fixedly arranged in the waiting room, bedroom or coordinated with human activity to form a gas state reminding system. When fire is used in the kitchen, once people leave over a set time, the device can trigger the radio receiving and informing devices in a form of radio, and then the radio receiving and informing devices can remind the user in language to pay attention until the user returns the kitchen and is detected by the human induction pyroelectric infrared sensor. The safe fire use informing device has the advantages of reasonable structure, wide application range, easy operation, unique function, and the like.

Description

Kitchen gas stove fire safety informing device

Technical field the utility model relates to a kind of gas alarm device, especially a kind of kitchen gas stove fire safety informing device.

Background technology in daily life, when cook in the kitchen, steamed rice, when heating up water, some people but goes to other rooms and handles other affairs, as: see TV, read a book, do chores or the like, time one length is easy to forget that gas-cooker is being used fire in the kitchen, cause gas combustion range flameout thus, dryout accident such as pot body, more can threaten people's lives and properties when serious.According to this class problem, trace it to its cause, be because lack the prompting informing device, make people forget easily, breed a tragedy.In order to address the above problem, we provide a kind of kitchen gas stove fire safety informing device.

The summary of the invention the purpose of this utility model provides a kind of kitchen gas stove fire safety informing device, is used for solving

For achieving the above object, the utility model kitchen gas stove fire safety informing device, comprise that temperature relay RJ1, human body sensing heat releases infrared sensor, radio transmitting system, a plurality of radio reception informing device and intelligent gas valve, temperature relay RJ1 is installed near the gas-cooker stone or metal plate for standing a stove on as a precaution against fire support; Temperature relay RJ1 releases infrared sensor, intelligent gas valve, radio transmitting system and power supply with human body sensing heat and is electrically connected composition gas monitor and control system; A plurality of radio reception informing devices are fixedly mounted in parlor, the bedroom respectively or physical activity is worn, and form the combustion gas situation and remind apprizing system; Entire circuit is made of in turn the compound amplification switch circuit of level Four transistor, and the compound amplification switch circuit of each grade transistor is formed by 9014 transistors, 8050 transistors and relay separately; Wherein human body sensing heat is released infrared sensor and is installed in first order on-off circuit, and the intelligent gas valve is installed in third level on-off circuit, and radio transmitting system is installed in fourth stage on-off circuit.

After adopting said structure, family kitchen is heated up water, cooked to be needed with fire, but people are when leaving, if surpass setting-up time, the utility model will trigger the radio reception informing device by wireless form, the radio reception informing device use the verbal cue user as " please note! Gas-cooker is with fire " wait language, and prompting at set intervals is once, till the user gets back to the kitchen and released infrared sensor by human body sensing heat and detect.When the user does not still handle burning things which may cause a fire disaster if reminder time surpasses setting-up time (setting-up time is adjustable), for preventing accident, ensure safety, this device will be closed the intelligent gas valve automatically, stop air feed.When needs used gas-cooker with fire, the manual reset switch of pressing the intelligent gas valve just can recover air feed.

Compared with the prior art, the beneficial effects of the utility model are: rational in infrastructure, be widely used, easy and simple to handle, function is peculiar, can remind regularly, for a long time and inform, avoid meeting accident.

Description of drawings Fig. 1 is the connection diagram of the utility model kitchen gas stove with the fire safety informing device.

Fig. 2 is the utility model kitchen gas stove fire safety informing device monitoring system circuit diagram.

Fig. 3 reminds the circuit diagram of apprizing system with the combustion gas situation of fire safety informing device for the utility model kitchen gas stove.

Number in the figure: 1 releases infrared sensor, 3 for temperature relay, 2 for the human body induction heat is the intelligent gas valve for radio reception informing device, 5 for radio transmitting system, 4.

Specific embodiment the utility model kitchen gas stove fire safety informing device, comprise that temperature relay 1, human body sensing heat releases infrared sensor 2, radio transmitting system 3, a plurality of radio reception informing device 4 and intelligent gas valve 5, temperature relay 1 is installed near the gas-cooker stone or metal plate for standing a stove on as a precaution against fire support; Temperature relay 1 is released infrared sensor 2, intelligent gas valve 5, radio transmitting system 3 and power supply with human body sensing heat and is electrically connected composition gas monitor and control system; A plurality of radio reception informing devices 4 are fixedly mounted in parlor, the bedroom respectively or physical activity is worn, and form the combustion gas situation and remind apprizing system; Entire circuit is made of in turn the compound amplification switch circuit of level Four transistor, and the compound amplification switch circuit of each grade transistor is formed by 9014 transistors, 8050 transistors and relay separately; Wherein human body sensing heat is released infrared sensor 2 and is installed in first order on-off circuit, and intelligent gas valve 5 is installed in third level on-off circuit, and radio transmitting system 3 is installed in fourth stage on-off circuit.As shown in Figure 2, when gas-cooker was used fire burns, environment temperature raise and to reach 45 when spending, and power circuit is connected in temperature relay 1 startup work.At this moment, see that human body sensing heat releases infrared sensor 2 and whether give output signal.When there is the people in the kitchen; human body sensing heat is released infrared sensor 2 can induction export the signal of telecommunication; this signal of telecommunication is opened the compound amplification switch circuit of transistor that the first order has delay function, and simultaneously 220 microfarad electrochemical capacitor C1 is full of by protection diode D1 and 27K protective resistance R1.The size of the amount of capacity of electrolytic capacitor C1 and resistance R 1 resistance has determined the time of time-delay---5 minutes.

The compound amplification switch circuit of first order transistor is made up of 9014 transistors and 8050 transistor VT1, VT2 and relay J 1.

The conducting of first order transistor composite switch circuit, relay J 1 adhesive, relay J 1 contact 1,2 disconnects, and cuts off late-class circuit.

People's activity is constantly arranged, and 220 microfarad electrolytic capacitor C1 constantly charge, and late-class circuit is being closed always.

In case the people leaves the kitchen, human body sensing heat is released infrared sensor can non-inductive signal output.The 220 microfarad electrolytic capacitor C1 that have been full of electricity will discharge by the base stage of 27K resistance R 1 and transistor VT1, VT2 at leisure over the ground, the tele-release of being deposited in the electrolytic capacitor C1 after about 5 minutes is intact, the compound amplification switch circuit of first order transistor ends, relay J 1 armature discharges, contact 1,3 disconnects, and contact 1,2 is connected.

1,2 ground, contact are connected, and supply voltage by 68K biasing resistance R2, is opened conducting with the compound amplification switch circuit of second level transistor, relay J 2 adhesives.

Transistor compound amplification switch circuit in the second level is by 9014 transistors, 8050 transistor VT3, and VT4 and relay J 2 are formed.Relay J 2 ground adhesives disconnect the contact 1,2 of original ground connection discharge and contact 4,5 disconnections, and contact 1,3 is connected and contact 4,6 connections.

1,3 ground, contact are connected, supply voltage is charged at leisure by the very big 3 couples of big capacity 1000 microfarad electrolytic capacitor C2 of 3M resistance R of resistance, greatly after 30 minutes, the voltage at the 1000 microfarad electrolytic capacitor C2 two ends that are recharged rises to, be enough to make the base stage soft breakdown of Zener diode D2 and compound amplification switch circuit 9014 transistors of transistor, 8050 transistor VT5, T6 and make the compound amplification switch circuit conducting of third level transistor, relay J 3 adhesives.

The compound amplification switch circuit of third level transistor is by 9014 transistors, 8050 transistor VT5, and VT6 and relay J 3 are formed.

The adhesive of relay J 3, contact 4,6 is connected, and makes relay J 3 self-lockings, and K1 is the release reset key.Contact 1,2 disconnects, and cuts off the intelligent gas valve circuit, closes burnt gas valve, cuts off source of the gas.

The adhesive of relay J 2, contact 4,6 is connected, and is that the compound amplification switch circuit of fourth stage transistor is connected power supply simultaneously.

The compound amplification switch circuit of fourth stage transistor is a repetitive timing circuit, and its circuit is by 9014 transistors, 8050 transistor VT5, and VT6 and relay J 4 are formed.

Repetitive timing circuit ground ON time depends on the size of 2.2M adjustable resistance R5 and 1000 microfarad electrochemical capacitor C3.Here our value is 8 seconds.

Repetitive timing circuit ground deadline, depend on the size of 100K adjustable resistance R6,2K protective resistance R7 and 1000 microfarad electrochemical capacitor C3, at this moment our value is 5 minutes.

Duty at the corresponding levels is exactly to aerial emission instruction in 8 seconds every 5 minutes radio transmitter systems.

As shown in Figure 3; this machine radio receiving system; receive the command signal that the main frame radio transmitter sends; positive level of radio receiver output is opened transistor switching circuit 9014 transistor VT1 through 27K protective resistance R1, through the 1.2K resistance R 2 crosslinked transistor current amplification circuit 8550 transistor VT2 that open.For back level sound circuit provides the supply voltage support.Loudspeaker Y1 pronunciation " please notes! Gas-cooker is being used fire ".

Claims

1, a kind of kitchen gas stove fire safety informing device, comprise that temperature relay RJ1 (1), human body sensing heat releases infrared sensor (2), radio transmitting system (3), a plurality of radio reception informing device (4) and intelligent gas valve (5), it is characterized in that: temperature relay RJ1 (1) is installed near the gas-cooker stone or metal plate for standing a stove on as a precaution against fire support; Temperature relay RJ1 (1) releases infrared sensor (2), intelligent gas valve (5), radio transmitting system (3) and power supply with human body sensing heat and is electrically connected composition gas monitor and control system; A plurality of radio reception informing devices (4) are fixedly mounted in parlor, the bedroom respectively or physical activity is worn, and form the combustion gas situation and remind apprizing system; Entire circuit is made of in turn the compound amplification switch circuit of level Four transistor, and the compound amplification switch circuit of each grade transistor is formed by 9014 transistors, 8050 transistors and relay separately; Wherein human body sensing heat is released infrared sensor (2) and is installed in first order on-off circuit, and intelligent gas valve (5) is installed in third level on-off circuit, and radio transmitting system (3) is installed in fourth stage on-off circuit.