CN2052493U - Multi-functional warning device for gas - Google Patents
Multi-functional warning device for gas Download PDFInfo
- Publication number
- CN2052493U CN2052493U CN 89205359 CN89205359U CN2052493U CN 2052493 U CN2052493 U CN 2052493U CN 89205359 CN89205359 CN 89205359 CN 89205359 U CN89205359 U CN 89205359U CN 2052493 U CN2052493 U CN 2052493U
- Authority
- CN
- China
- Prior art keywords
- gas
- utility
- alarm
- model
- circuit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model belongs to a novel home-use (office-use) multi-functional automatic control system for providing coal gas poisoning. The utility model principally comprises a delay circuit, a voltage comparator, an acousto-optic alarm circuit, a gas sensor separately composed by four operational amplifiers. The utility model adopts the power supply mode of D.C. regulated power supply for guaranteeing the circuit operating stably. The temperature-adjustable reference voltage (alarm point) guarantees the sensibility of the utility model. The utility model can drive the operation of ventilating fan when emitting acousto-optic alarm for preventing personnel from gas poisoning and can stand for door bells at ordinary times. The utility model which can alarm and automatically control other fuel gas not only for coal gas is a novel invention home-use (office-use) multi-functional automatic control system.
Description
The utility model belongs to a kind of family expenses (or office uses) electronic auto-control device.When coal gas in the room (or liquefied petroleum gas (LPG), flue gas, fume, gasoline, steam etc.) when taking place to reveal.Can detect and send sound and light alarm automatically.Automatically connect the vent fan exhaust simultaneously.To avoid the generation of accidents such as personal poisoning, fire and blast.
Similarly alarm has multiple both at home and abroad.But job insecurity mostly.Sensitivity is not high.And do not possess multi-functional.Alarm sound is not interesting to listen to.And all do not see home-use gas leak detector being arranged on the market at home and abroad at present as commodity selling.Especially multi-function gas alarm.
The purpose of this utility model is family expenses (or the office uses) multifunction alarm device of a kind of novelty of invention.This alarm requires warning sensitivity height (alarm set point is minimum to be CO content 250PPM).The circuit long-term work is stable.Both had sound, light warning function.Can drive vent fan work simultaneously again.And when not reporting to the police at ordinary times (the circuit most of the time is operated in this state).Also can be used as doorbell.When reporting to the police and doorbell when working simultaneously.It is preferential to report to the police.
Theory diagram of the present utility model is shown in figure one.It mainly is made up of several partial circuits such as gas sensor A. delay circuit B. voltage comparator C. sound light alarming circuit D. doorbell circuit E. stabilized voltage supply F.
The effect of gas sensor is that detected inflammable gas is transformed into electric signal V
SV
SSignal is in voltage comparator and the reference signal V that sets
RCompare.If V
SSignal played V
RLevel.Then driving circuit action.Driving sound light alarming circuit then on the one hand signals.Drive relay work on the one hand.
The reference voltage part can be adjusted.Purpose is to proofread and correct alarm set point.Because power supply is powered all the time.So doorbell circuit can be worked at ordinary times.But there have when warning then to report to the police to be preferential.
For guaranteeing the steady operation of circuit.The utility model adopts direct supply to add stabilized voltage supply work.Can avoid the influence of ac power supply spread of voltage like this.Add stabilized voltage supply in addition and can reduce circuitry consumes.
For preventing the circuit false alarm.Warning when especially just starting shooting.The utility model has designed delay circuit.Be that power supply rigidly connects to produce when logical and just can make gas-sensitive head work about 2 minutes time delay.Gas-sensitive head gives heat in during this.Just can avoid false alarm.
Fig. 2 is the concrete circuit of implementing of of this device.The characteristics of this circuit are made up of respectively four operational amplifiers: delay line, comparer and sound and light alarm part.Now introduce its principle of work respectively:
One, stabilized voltage supply part: as shown in Figure 2: civil power becomes 8V through transformer (1), becomes the 5V DC voltage to power to entire circuit through stabilized voltage supply integrated package (3) voltage stabilizing again after rectification circuit (2) becomes direct current then.The bright indication power work of pilot lamp (5).
Two, delay circuit part:
By resistance (7), (8), (10).Electric capacity (9) and operational amplifier (11) (hereinafter to be referred as " amplifier ") have been formed delay circuit.After energized.Gas sensor (6) is not to work at once.But after a period of time to be postponed (this time parameter is decided by element (8), (9) parameter)." amplifier " (11) just output signal to gas sensor (6) work.The mistake output of gas sensor (6) when having prevented firm the start.
Three, gas sensor part:
Gas sensor (6) is for guaranteeing life-span and working stability.Adopt the mode of direct supply heating to power.Add thermo-compensator (34) simultaneously.
Four, voltage comparator part:
Voltage comparator is by potentiometer (12)." amplifier " (14) and resistance compositions such as (13).Reference voltage is realized by potentiometer (12).It is adjustable.Require to set up reference voltage to " amplifier " (14) negative terminal according to alarm set point (the utility model alarm set point is 250PPM).The other end of " amplifier " (14) (+end) signal is taken from gas sensor (6) when the CO gas in the room (or other harmful gas) when reaching 250PPM, and gas sensor (6) just has an output signal to be added to " amplifier " (+) end.This signal is with after reference signal (end signal) is compared.After the output of " amplifier " (14), send into driving circuit.
Five, driving circuit section:
Driving circuit has three the tunnel.One route transistor (16), relay compositions such as (17)." amplifier " (14) output signal makes transistor (16) work.The drive vent fan rotates.
Another road.The output signal of " amplifier " (14) is given " amplifier " (25) through resistance (18), (19) be the main multi-resonant oscillating circuit of forming.The signal that this multi-resonant oscillating circuit output frequency is 1000～3000HZ removes to promote transistor (26).Thereby make loudspeaker (27) send alarm sound.
All the other routes " amplifier " (26), resistance (23) and electric capacity elements such as (35) are formed.The alternating signal of the about 1HZ of its output drives luminotron (29) work.Send the visible warning flash of light of human eye.
Be the main audible alarm circuit of forming and work in coordination by " amplifier " (25) by the color break-up circuit that " amplifier " (26) are formed.Suppress mutually again.Thereby cause the sound and light alarm effect.
Six, doorbell circuit:
As long as the power supply power supply is arranged.Doorbell (31) just can be worked.As long as pressing the button (33) transistor (30) just can drive loudspeaker (27) and send musical sound.
In sum: when the utility model operate as normal.In a single day CO gas in the room reached 250PPM.Gas sensor (6) just sends signal, and exporting amplifier (25) to carries out audible alarm relatively afterwards through " amplifier " (14).Exporting " amplifier " (26) simultaneously to carries out flashing light alarm and drives relay (17) to transistor (16) carrying out automatic vent.Can not make doorbell when not reporting to the police at ordinary times.Realized multi-functional.
The advantage of this instrument is: multi-functional.Circuit working is stable, highly sensitive, reliable operation and cheap.In addition can also automatic vent.Guarantee personal safety.It is the another new product of household electrical appliance.
Claims (5)
1, family expenses of being made up of D.C. regulated power supply and four operational amplifiers and other electron component (or office with) multi-function gas alarm is characterized in that:
A, adopted the delay circuit formed by operational amplifier and other electron component mode input signal as gas sensor;
B, adopted the voltage comparator of forming by operational amplifier and adjustable potentiometer, resistance to make reference voltage (being alarm set point) adjustable;
C, sound, optical alarm circuit are made up of the multivibrator that two operational amplifiers and other electron component constitute respectively, and its frequency range is 1～3000HZ.
2, by the described instrument of claim 1.It is characterized in that: design has the relay of control vent fan action.
3, by the described instrument of claim 1.It is characterized in that: design has doorbell circuit.Can be used as doorbell when not reporting to the police.
4, by the described instrument of claim 1.It is characterized in that: the power supply mode that adopts direct supply to add integrated voltage stabilizer is supplied with the gas sensor power supply.
5, by the described instrument of claim 1.It is characterized in that: the warning and the self-con-tained unit that also can be used as liquefied petroleum gas (LPG) flue gas, fume, gasoline vapor or the like inflammable gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89205359 CN2052493U (en) | 1989-09-01 | 1989-09-01 | Multi-functional warning device for gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89205359 CN2052493U (en) | 1989-09-01 | 1989-09-01 | Multi-functional warning device for gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2052493U true CN2052493U (en) | 1990-02-07 |
Family
ID=4862547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89205359 Withdrawn CN2052493U (en) | 1989-09-01 | 1989-09-01 | Multi-functional warning device for gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2052493U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852557A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Mining smoke sensor |
| CN102854220A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog detection sensor |
| CN103744308A (en) * | 2013-12-25 | 2014-04-23 | 广西科技大学 | Intelligent household simulation device control system |
| CN107170181A (en) * | 2017-06-14 | 2017-09-15 | 成都雷纳斯科技有限公司 | A kind of smog sensor circuit structure |
| CN108050547A (en) * | 2017-12-11 | 2018-05-18 | 天津市东浩软管科技有限公司 | A kind of gas kitchen ranges with warning function |
-
1989
- 1989-09-01 CN CN 89205359 patent/CN2052493U/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852557A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Mining smoke sensor |
| CN102854220A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog detection sensor |
| CN103744308A (en) * | 2013-12-25 | 2014-04-23 | 广西科技大学 | Intelligent household simulation device control system |
| CN107170181A (en) * | 2017-06-14 | 2017-09-15 | 成都雷纳斯科技有限公司 | A kind of smog sensor circuit structure |
| CN108050547A (en) * | 2017-12-11 | 2018-05-18 | 天津市东浩软管科技有限公司 | A kind of gas kitchen ranges with warning function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5555876A (en) | Chimney safety and control system | |
| CN2052493U (en) | Multi-functional warning device for gas | |
| WO1993017482A3 (en) | Power supply and smoke sensor for alarm system | |
| CN107270345A (en) | A kind of Multifunctional lampblack machine control system | |
| CN204805994U (en) | LED lamp that can early warning hazardous gas | |
| CN207319416U (en) | hazardous gas leakage alarm | |
| US4389124A (en) | Device for monitoring selected operating conditions of combustion within a solid fossil fuel burning furnace | |
| CN206095333U (en) | Be used for monitoring intelligent voice broadcast gas table of gas quantity in family | |
| CN2386496Y (en) | Domestic gas safety monitor unit | |
| CN204731929U (en) | A kind of fire hazard aerosol fog pick-up unit | |
| CN207704620U (en) | A kind of fuel gas monitoring and multifunctional warning device in real time | |
| CN206352849U (en) | A kind of intelligent range hood | |
| CN2502173Y (en) | Oil-fume exhauster with external sensor | |
| CN205354260U (en) | Intelligent security lighting device | |
| CN2234110Y (en) | Multi-function gas leakage alarm controller | |
| CN207248974U (en) | Power distribution room Internet of Things Transmission System for High Voltage Measurements | |
| CN2310954Y (en) | Carbon monooxide removing machine for kitchen | |
| CN2328013Y (en) | Carbon oxide detector for vehicle | |
| CN2300146Y (en) | Multi-functional warning device | |
| CN2279609Y (en) | Combustible gas leakage alarm controller with self-checking up function | |
| CN208704739U (en) | Total station | |
| CN209512140U (en) | A kind of stepless speed regulation kitchen ventilator and its control circuit | |
| KR880002238Y1 (en) | Stove | |
| KR860002073A (en) | Time display device of traffic lights | |
| CN207248380U (en) | Power distribution room Internet of Things low pressure measurement system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |