CN2240679Y - Fuel gas leakage controller - Google Patents

Fuel gas leakage controller Download PDF

Info

Publication number
CN2240679Y
CN2240679Y CN 95244864 CN95244864U CN2240679Y CN 2240679 Y CN2240679 Y CN 2240679Y CN 95244864 CN95244864 CN 95244864 CN 95244864 U CN95244864 U CN 95244864U CN 2240679 Y CN2240679 Y CN 2240679Y
Authority
CN
China
Prior art keywords
circuit
relay
gas leakage
leakage controller
combustible gas
Prior art date
Application number
CN 95244864
Other languages
Chinese (zh)
Inventor
苏福明
Original Assignee
苏福明
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏福明 filed Critical 苏福明
Priority to CN 95244864 priority Critical patent/CN2240679Y/en
Application granted granted Critical
Publication of CN2240679Y publication Critical patent/CN2240679Y/en

Links

Abstract

The utility model discloses a fuel gas leakage controller. The utility model is characterized in that the power supply which is treated by changing, rectifying, and stabilizing the voltage is respectively supplied to a detecting circuit, a time circuit, a relay circuit, and an executive device; the detected signal is transmitted to the time circuit by the detecting circuit, and is transmitted to an alarm circuit after the detected signal passes through the relay circuit, and the relative signal is transmitted to the executive device and the electrical appliance by the relay circuit. The utility model adopts an electromechanical integration fully enclosed type, when the noxious or the flammable gas in the air is monitored, the alarm can be sent out; meanwhile, the gas source can be cut off in one minute, and an exhaust fan is started. The utility model has the advantages of simple structure, low energy consumption, stable performance, and high safety. The utility model is an ideal fuel gas leakage controller at present.

Description

The combustible gas leakage controller
The utility model relates to a kind of gas monitor, specifically a kind of device that can control automatically the combustible gas leakage that is harmful to human body of suitable family expenses.
Along with improving constantly of people's living standard as gas range, water heater, apparatus such as warmer are increasing, but incident poisoning happens occasionally, therefore the gas monitor of family expenses begins to enter family gradually, present gas monitor system mostly is to report to the police after monitoring the fuel gas of leakage, reminds people valve-off or door window, open exhaust fan etc., function ratio is more single, though in the industrial control system that the use electric operator is arranged, but this device is not only complicated, heaviness, and cost height are not suitable for civilian, on current market, also do not see simple in structure, be fit to family expenses, and after monitoring combustible gas leakage, can not only report to the police, and the control device of energy automatic-closing valve.
It is a kind of suitable civilian that the purpose of this utility model is to provide, and can not only monitor the leakage of fuel gas, and the controller of energy automatic-closing valve.
The technical solution of the utility model is achieved in that it mainly comprises shell, transformation regulator rectifier circuit, testing circuit, time circuit, relay circuit, warning circuit and actuating unit, is characterized in that: the power supply behind the transformation rectifying and voltage-stabilizing is supplied with the input of testing circuit, time circuit and the relay in the relay circuit respectively; Testing circuit is connected with relay circuit with time circuit connect hours circuit, and relay circuit links to each other with warning circuit, actuating unit, electrical appliance respectively.
The utility model adopts the electromechanical integration totally enclosed type, concentration to poisonous in the air or fuel gas is monitored, in monitoring air, contain and make 2% poisonous or fuel gas of human body poisoning concentration (comprise carbon monoxide, toluene, phenol, gasoline, alcohol and hydrocarbon etc.) time, promptly begin to report to the police, and when reporting to the police, can in 1 minute, turn-off source of the gas, opening exhaust fan takes a breath, whole process is all handled automatically, this controller architecture is simple, actuating unit no-spark in entire work process produces, its normal working voltage is direct current 10-20V, it is little to consume energy, stable performance, safe and reliable is a kind of comparatively desirable combustible gas leakage controller at present.
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is the electrical schematic diagram of the utility model one embodiment.
The utility model will be further described below in conjunction with drawings and Examples.
The utility model mainly is made up of regulator rectifier circuit 1, testing circuit 2, time circuit 3, relay circuit 4, warning circuit 5, actuating unit 6, ventilating fan 7, and wherein, regulator rectifier circuit 1 is by transformer, rectifying tube D 1-D 4, D 8-D 11, filter capacitor C 1-C 3, C 5With a three-terminal voltage-stabilizing ic chip 1Form, step-down transformer is drawn two groups of low pressure, a winding and C from paying coil 1Carry out D in parallel 1-D 4Bridge rectifier, C 2, C 3An end each and IC 1An end link to each other C 2, C 3The other end and the input of bridge rectifier all and IC 1The 3rd end link to each other another winding D 8-D 11Bridge rectifier, this bridge rectifier and C 5In parallel; Testing circuit 3 is made up of probe and adjustable resistance W, pop one's head in to have and add thermoae f-f ' and control utmost point A, B two ends, present embodiment adopts QM-K type temperature-sensitive air-sensitive type probe, its control utmost point A end is connected in series with W, the sensitivity that act as of W is aligned, the response time of time circuit can be aligned within 10 seconds, can align recovery time within 30 seconds; Time circuit 3 is mainly by ic chip 2, resistance R 4, capacitor C 4, diode D 7And relay J 1Form the IC of present embodiment 2Adopt UA555 integrated package, it and R 4, C 4The mode of forming trigger, D 7With J 1Parallel connection is connected IC 2And 1,3 between end.IC 26 ends link to each other diode D with the A end of probe with the end of W respectively 7Play the overvoltage protection effect; Relay circuit 4 is mainly by three relay J 1, J 2, J 3, resistance R 2, R 3With light emitting diode D 5, D 6Form J 1Normally opened contact J 1' respectively with J 3, D 5With the ic chip in the warning circuit 5 3Link to each other normally opened contact J 1" and J 2Link to each other J 2Normally opened contact J 2' with actuating unit 6 in hand push button AN 1Link to each other normally opened contact J 2" with limit switch S 2Link to each other J 3Normally opened contact J 3' linking to each other with electrical appliance 7, the electrical appliance 7 of present embodiment is ventilating fan RL, also can be the controlling organization that door and window is opened, light emitting diode D 5, D 6All be arranged on the panel of shell; Warning circuit 5 is mainly by ic chip 3Form with loudspeaker r; 6 of actuating units are mainly by motor D, relay J 2Two normally opened contact J 2', J 2", limit switch S 1, S 2With button AN 1Form, motor D respectively with J 2', J 2" link to each other, the axle of motor D is provided with worm gear, this worm gear and the engagement of motor rocking arm, and to realize the cooperation of its rotation, explosion-proof direct current generator is adopted in this enforcement.
The probe of testing circuit 2 adds the voltage of thermoae f-f ' by rectification, and mu balanced circuit 1 is through IC 1Two ends supply with the IC of signal controlling utmost point A termination time circuit 3 26 ends, B end passes through resistance R 1And capacitor C 1, make A, B two ends keep certain normal voltage (for example being 6V), the A end is high potential, i.e. IC 2In 6 ends also be high potential, the light emitting diode D be installed on the housing face-plate is set in the relay circuit 4 6Green light is sent in conducting, and is normal to show the monitoring situation, when around the gas of flammable or some harmful healths is being popped one's head in, existing, because of electrical conductivity increases, A, B both end voltage will change (for example becoming 1.5V), thereby make the ic chip in the time circuit 2Trigger upset, make IC 2In 3 terminal potentials raise relay J 1Action, normally opened contact J 1' and J 2" by adhesive, on the one hand warning circuit 5 conductings are reported to the police, simultaneously J 3Action, normally opened contact J 3' by adhesive, ventilating fan is opened and carries out exhaust ventilation, on the other hand because J 1" by adhesive, J 2Action, J 2' and J 2" by adhesive, the noise control motor D is rotated and is made the motor rocking arm drive valve handle valve-off gradually, when motor goes to limit switch S 2The time limited stopping, this moment because of J 1' by adhesive, light emitting diode D 6End D 5Ruddiness is sent in conducting, also as the cue of reporting to the police, AN 1, AN 2Be hand push button, as want to open gas source valve by AN 1Motor D is rotated and drive valve handle and open valve gradually, when motor goes to S by the motor rocking arm 1Spacing position the time stop operating button AN 2Then be when the manual-lock valve, to use.

Claims (7)

1. combustible gas leakage controller, mainly comprise shell, transformation regulator rectifier circuit, testing circuit, time circuit, relay circuit, warning circuit and actuating unit is characterized in that: the power supply behind the transformation rectifying and voltage-stabilizing is supplied with the input of testing circuit, time circuit and the relay in the relay circuit respectively; Testing circuit is connected with time circuit, and time circuit is connected with relay circuit, and relay circuit links to each other with warning circuit, actuating unit, electrical appliance respectively.
2. by the described combustible gas leakage controller of claim 1, it is characterized in that: rectifying voltage regulator also adopts a three-terminal voltage-stabilizing integrated package (IC 1); Probe in the testing circuit is the temperature-sensitive air-sensitive type, has to add thermoae and the control utmost point; Integrated package of pressure-stabilizing (IC 1) two ends supply with adding of probe thermoae (f-f ') respectively.
3. by the described combustible gas leakage controller of claim 1, it is characterized in that: time circuit mainly adopts an integrated package (IC 2) trigger formed, overvoltage protection diode (D 7) and relay (J 1) parallel connection, be connected (IC 2) 1,3 ends, 6 ends link to each other with the A end of the probe control utmost point.
4. by the described combustible gas leakage controller of claim 1, it is characterized in that: relay circuit has adopted three relays, relay (J 1) with warning circuit in integrated package (IC 3) link to each other; Relay (J 2) with actuating unit in hand push button (AN 1) link to each other; Relay (J 3) link to each other with electrical appliance, on the panel of shell, also be provided with red green two light emitting diodes.
5. by the described combustible gas leakage controller of claim 1, it is characterized in that: the motor in the actuating unit adopts explosion-proof direct current generator, and motor shaft is provided with the worm gear with the rocking arm engagement.
6. by the described combustible gas leakage controller of claim 1, it is characterized in that: electrical appliance is that exhaust fan also can be the controlling organization that door and window is opened.
7. by the described combustible gas leakage controller of claim 1, it is characterized in that: in relay circuit and actuating unit, be provided with hand push button; In actuating unit, also be provided with two limit switches.
CN 95244864 1995-10-12 1995-10-12 Fuel gas leakage controller CN2240679Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95244864 CN2240679Y (en) 1995-10-12 1995-10-12 Fuel gas leakage controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 95244864 CN2240679Y (en) 1995-10-12 1995-10-12 Fuel gas leakage controller

Publications (1)

Publication Number Publication Date
CN2240679Y true CN2240679Y (en) 1996-11-20

Family

ID=33885173

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 95244864 CN2240679Y (en) 1995-10-12 1995-10-12 Fuel gas leakage controller

Country Status (1)

Country Link
CN (1) CN2240679Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109340723A (en) * 2018-10-30 2019-02-15 石英楠 The integrated kitchen range of automatic alarm when a kind of gas leakage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109340723A (en) * 2018-10-30 2019-02-15 石英楠 The integrated kitchen range of automatic alarm when a kind of gas leakage

Similar Documents

Publication Publication Date Title
CN203070066U (en) Omnibearing intelligent household security control system
CN205940640U (en) Indoor air quality detection alarm
CN201438011U (en) Air conditioner controlled through human induction
CN202991562U (en) Intelligent fan control system based on single chip microcomputer
CN203500077U (en) Pyroelectric human body infrared-based fan intelligent temperature control system
CN103105195A (en) Air quality test and display device of purifier
CN201262010Y (en) Intelligent window control device
CN203642348U (en) Multifunctional indoor air quality monitoring system
CN203685620U (en) Intelligent fan
JP2010537618A (en) Intelligent electric energy management system total equipment
CN201192608Y (en) Multifunctional indoor air purifier
CN102824790A (en) Control device of air purifier
CN105004843B (en) SF6 on-line monitoring systems
CN203718963U (en) Air purifier
CN105756466A (en) Control system of intelligent window
CN205192913U (en) Display device of real time monitoring PM2. 5 value
CN106910316B (en) A kind of gas leakage long-distance monitorng device
CN205025265U (en) Intelligence window
CN205191929U (en) Monitoring of portable gas heater and alarm device
CN201369089Y (en) Gas alarm device
CN202778115U (en) Control device for air purifier
CN203703790U (en) LED emergency lighting device capable of sensing smoke
CN105136206A (en) Multifunctional modularized air quality monitor
CN104133038A (en) Vehicle internal environment monitoring and control system
CN107301757A (en) A kind of kitchen fuel gas alarm detector and its alarm detection procedure

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee
C19 Lapse of patent right due to non-payment of the annual fee