CN1184252A - Portable gas warning device - Google Patents
Portable gas warning device Download PDFInfo
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- CN1184252A CN1184252A CN96120732A CN96120732A CN1184252A CN 1184252 A CN1184252 A CN 1184252A CN 96120732 A CN96120732 A CN 96120732A CN 96120732 A CN96120732 A CN 96120732A CN 1184252 A CN1184252 A CN 1184252A
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- circuit
- detecting
- gas
- oxygen
- carbon monoxide
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Abstract
Portable gas warning device includes one main body comprising one casing and one alarm system with one buzzer as well as one gas detecting circuit, one oxygen detecting circuit, and one carbon monoxide detecting circuit inside the casing. When one of the detecting circuits detects abnormal condition, one singal is fed to the alarm system and the buzzer sounds alarm.
Description
The present invention relates to a kind of portable gas warning device of detecting multiple gases content.
Though gas mostly be invisible colourless some in addition tasteless, in the middle of nature, playing the part of indispensable role, for example all things on earth oxygen of relying and supporting one's family.In addition, also harmful just like the gas that extracts in biogas or the oil, but, its special function is arranged then if be applied to industry or car industry aspect, thereby, must promote the progress of related industries and the generation of reduction mishap if people can be used at the feature of all gases and take precautions against.
As everyone knows, if the carbon monoxide that human body sucks too much gas or incomplete combustion too much or the oxygen in breathing very few, plot the lighter's brain anoxic then has fatal anxiety when serious! And these danger often take place in daily life, and are as the case of family and workplace or the like, too numerous to enumerate.Known gas warning device moves to cause owing to volume is excessive or difficult mostly and can only be arranged in the particular place; But, so how can carry out the preparation of early warning whenever and wherever possible, just become an important topic, and this problem fails still so far to be properly settled just as above-mentioned dangerous omnipresent.
The objective of the invention is to; one portable gas warning device is provided; improve existing portable gas warning device and be difficult for the mobile disappearance that caution whenever and wherever possible ensures life security that also promptly can't reach; and be provided with the sensitivity adjustment switch of detecting gas and the function of Auto-Sensing electric power, thereby can provide more complete caution effect to reach the safety of protection life and property.
A kind of portable gas warning device that the present invention proposes comprises a body, a gas circuit for detecting, an oxygen circuit for detecting and a carbon monoxide circuit for detecting; Wherein this body comprises a housing and a caution system circuit again; Have a broadcast hole on this housing, and this housing can ccontaining gas circuit for detecting, oxygen circuit for detecting and carbon monoxide circuit for detecting portion within it; This caution system circuit has a control panel and a hummer, have a plurality of switches and a plurality of pilot lamp on this control panel, and this control panel is arranged on hull outside so that control, this hummer can send caution sound and spread out of through the broadcast hole when this caution system circuit receive a caution signal.In addition, also has the power function of Auto-Sensing portable gas warning device, to remind the user.
Gas warning device of the present invention is a portable type, so general adopt direct supply (for example battery), but also can adopt AC power, cooperates rectifier again, and the supply of these direct currents and alternating current by the personage of this skill is familiar with, is given unnecessary details no longer one by one at this.
Now the embodiment shown in conjunction with the accompanying drawings is further described the portable gas warning device that the present invention proposes.
Fig. 1: schematic appearance of the present invention.
Fig. 2: circuit diagram of the present invention.
The explanation of accompanying drawing internal label:
Portable gas warning device 10 bodies 20
Housing 30 broadcast holes 31
Power switch 42 warning and electric power pilot lamp 421
Global function detection switch 43 global functions detecting pilot lamp 431
Gas detection switch 44 gas detecting pilot lamp 441
Oxygen detection switch 45 oxygen detecting pilot lamp 451
Carbon monoxide detection switch 46 carbon monoxide detecting pilot lamp 461
Hummer 47
Gas circuit for detecting 60 gas sensing elements 61
Oxygen circuit for detecting 70 oxygen sensing elements 71
Carbon monoxide circuit for detecting 80 carbon monoxide sensing elements 81
Resistance: R1～R34 electric capacity: C1～C15
Transistor: Q1～Q6 diode: D1～D11
Backward diode: Z1～Z3 LM324 amplifier: A1～A8
555 oscillators: P1～P2 sensitivity adjustment switch: VR1～VR3
Structure of the present invention sees also Fig. 1 and Fig. 2, and portable gas warning device 10 of the present invention comprises a body 20, a gas circuit for detecting 60, an oxygen circuit for detecting 70 and a carbon monoxide circuit for detecting 80.
This body 20 comprises a housing 30 and a caution system circuit 40; Wherein have a broadcast hole 31 that can allow sound to pass through on this housing 30, and the inside of this housing 30 can ccontaining gas circuit for detecting 60, oxygen circuit for detecting 70 and carbon monoxide circuit for detecting 80.
This caution system circuit 40 comprises a control panel 41 and a hummer 47, this control panel 41 is arranged on housing 30 outsides so that control, and detects pilot lamp 461 and have a power switch 42, a warning and electric power pilot lamp 421, a global function detection switch 43, global function detecting pilot lamp 431, a gas detection switch 44, gas detecting pilot lamp 441, an oxygen detection switch 45, oxygen detecting pilot lamp 451, a carbon monoxide detection switch 46 and a carbon monoxide on this control panel 41; This hummer 47 can send caution sound and spread out of through broadcast hole 31 when this caution system circuit 40 receive a caution signal.
In addition, the power supply that this caution system circuit 40 is provided is a direct current power supply, also can set up a rectifier with AC power in addition after the rectification, the required power supply (not shown) of this caution system circuit 40 is provided, because this skill personage that is converted to of this AC power is familiar with, do not give unnecessary details so do not add at this.
See also the part of gas circuit for detecting 60 among Fig. 2, this gas circuit for detecting 60 comprises a gas sensing element 61 at least; When desire detecting gas, connect the gas detection switch 44 on the control panel 41, the power supply of one direct current 12V flows in the gas circuit for detecting 60, one electric current makes it to be bright state through gas detecting pilot lamp 441, also represent this gas circuit for detecting 60 conducting starts, another electric current flows to (+) end of LM324 amplifier A1 through resistance R 2, (wherein this gas sensing element 61 is well known elements when gas sensing element 61 senses gas, for example Hsinchu County, Taiwan Province Industrial Technology Research Institute can provide), then with capacitor C 2 inductions, make (+) terminal voltage of LM324 amplifier A2 produce conducting greater than (-) terminal voltage, issue a signal transmitted to (+) end of LM324 amplifier A8 again, therefore (+) terminal voltage of LM324 amplifier A8 produces conducting greater than (-) terminal voltage the time again, issue a signal transmitted to the 4th pin position of 555 oscillator P1, and make it to transfer to high state, this moment, the 3rd pin position also was a high state, conducting warning and electric power pilot lamp 421 make it the alert status that is bright, and start hummer 47 sends caution sound.In addition, can set up a sensitivity adjustment switch VR1 in this gas circuit for detecting 60, adjust the sensitivity of detecting gas bearing capacity.
See also the part of oxygen circuit for detecting 70 among Fig. 2, this oxygen circuit for detecting 70 comprises an oxygen sensing element 71 at least; When desire detecting oxygen, connect the oxygen detection switch 45 on the control panel 41, the power supply of one direct current 12V flows in the oxygen circuit for detecting 70, one electric current makes it to be bright state through oxygen detecting pilot lamp 451, also represent this oxygen circuit for detecting 70 conducting starts, another electric current is through a plurality of diode D3, D4, D5, flow to (+) end of LM324 amplifier A3 after D6 and the D7 generation pressure drop again, (wherein this oxygen sensing element 71 is well known elements when oxygen sensing element 71 senses the oxygen deficiency, for example Hsinchu County, Taiwan Province Industrial Technology Research Institute can provide), then with capacitor C 9 inductions, make (+) terminal voltage of LM324 amplifier A4 produce conducting greater than (-) terminal voltage, issue a signal transmitted to (+) end of LM324 amplifier A8 again, and being equal to described in the gas circuit for detecting 60 of LM324 amplifier A8 and 555 oscillator P1 as flowing mode, see also gas circuit for detecting 60, do not add at this and give unnecessary details.In addition, can set up a sensitivity adjustment switch VR2 in this oxygen circuit for detecting 70, adjust the sensitivity of detecting oxygen content.
See also the part of carbon monoxide circuit for detecting 80 among Fig. 2, this carbon monoxide circuit for detecting 80 comprises a carbon monoxide sensing element 81 at least; When desire detecting carbon monoxide whether too much the time, connect the carbon monoxide detection switch 46 on the control panel 41, the power supply of one direct current 12V flows in the carbon monoxide circuit for detecting 80, one electric current makes it to be bright state through carbon monoxide detecting pilot lamp 461, also represents this carbon monoxide circuit for detecting 80 conducting starts; Another electric current is held through (+) that resistance R 26 flows to LM324 amplifier A6 by the 3rd pin position by 555 oscillator P2, produces non-lasting conducting; Another electric current flows to (+) end of LM324 amplifier A5 through resistance R 25, (wherein this carbon monoxide sensing element 81 is well known elements when too much when carbon monoxide sensing element 81 senses carbon monoxide, for example Hsinchu County, Taiwan Province Industrial Technology Research Institute can provide), then with capacitor C 13 inductions, make (+) terminal voltage of LM324 amplifier A7 produce conducting greater than (-) terminal voltage, issue a signal transmitted to (+) end of LM324 amplifier A8 again, and being equal to described in the gas circuit for detecting 60 of LM324 amplifier A8 and 555 oscillator P1 as flowing mode, see also gas circuit for detecting 60, do not add at this and give unnecessary details.In addition, can set up a sensitivity adjustment switch VR3 in this carbon monoxide circuit for detecting 80, adjust the sensitivity of detecting carbon monoxide content.
The function of caution system circuit 40 tool Auto-Sensing power of the present invention, see also Fig. 2, when supplying the power shortage of portable gas warning device 10 detectings, the 8th pin position of 555 oscillator P1 will receive a signal from direct current 12V end, impel the 3rd pin position of this 555 oscillator P1 to become high state, conducting warning and electric power pilot lamp 421 make it the alert status that is bright, and start hummer 47 sends caution sound.In addition, by means of the global function detection switch 43 that is provided with by associating gas detection switch 44, oxygen detection switch 45 and carbon monoxide detection switch 46, gas contents such as detecting gas, oxygen and carbon monoxide simultaneously can be provided, it is equal to described in above-mentioned gas circuit for detecting 60, oxygen circuit for detecting 70 and the carbon monoxide circuit for detecting 80 as flowing mode, does not add at this and gives unnecessary details.
In sum, the portable gas warning device of the present invention's proposition can provide gas contents such as detecting gas, oxygen and carbon monoxide whenever and wherever possible on demand as can be known, makes personnel and article can in time carry out early warning and prepares, to take precautions against in possible trouble.
Claims (9)
1. a portable gas warning device comprises a body, a gas circuit for detecting and a carbon monoxide circuit for detecting, it is characterized in that:
This body comprises a housing and a caution system circuit at least, and this housing can ccontaining gas circuit for detecting and carbon monoxide circuit for detecting portion within it, and this caution system circuit comprises a hummer at least;
This gas circuit for detecting comprises a gas sensing element at least, promptly transmits a signal to caution system circuit start hummer and sends caution sound when the gas sensing element detects gas; And
This carbon monoxide circuit for detecting comprises a carbon monoxide sensing element at least, too much promptly transmits a signal to caution system circuit start hummer and sends caution sound when the carbon monoxide sensing element detects carbon monoxide.
2. by the described portable gas warning device of claim 1, it is characterized in that, in the housing oxygen circuit for detecting can be set again, wherein comprise an oxygen sensing element at least, promptly transmit a signal to caution system circuit start hummer and send caution sound when the oxygen sensing element detects the oxygen deficiency.
3. by the described portable gas warning device of claim 2, it is characterized in that can set up a warning and an electric power pilot lamp in the caution system circuit, when detecting unusual condition or power deficiency, the start hummer sends caution sound one warning is provided.
4. by the described portable gas warning device of claim 2, it is characterized in that, can set up the global function detection switch that to detect simultaneously in the caution system circuit.
5. by the described portable gas warning device of claim 2, it is characterized in that, set up the sensitivity adjustment switch of a plurality of adjustment detecting gas sensitivities.
6. a portable gas warning device comprises a body, a gas circuit for detecting and an oxygen circuit for detecting, it is characterized in that:
This body comprises a housing and a caution system circuit at least, and this housing can ccontaining gas circuit for detecting and oxygen circuit for detecting portion within it, and this caution system circuit comprises a hummer at least;
This gas circuit for detecting comprises a gas sensing element at least, promptly transmits a signal to caution system circuit start hummer and sends caution sound when the gas sensing element detects gas; And
This oxygen circuit for detecting comprises an oxygen sensing element at least, promptly transmits a signal to caution system circuit start hummer and sends caution sound when the oxygen sensing element detects the oxygen deficiency.
7. a portable gas warning device comprises a body, a carbon monoxide circuit for detecting and an oxygen circuit for detecting, it is characterized in that:
This body comprises a housing and a caution system circuit at least, and this housing can ccontaining carbon monoxide circuit for detecting and oxygen circuit for detecting portion within it, and this caution system circuit comprises a hummer at least;
This carbon monoxide circuit for detecting comprises a carbon monoxide sensing element at least, too much promptly transmits a signal to caution system circuit start hummer and sends caution sound when the carbon monoxide sensing element detects carbon monoxide; And
This oxygen circuit for detecting comprises an oxygen sensing element at least, promptly transmits a signal to caution system circuit start hummer and sends caution sound when the oxygen sensing element detects the oxygen deficiency.
8. by the described portable gas warning device of claim 2, it is characterized in that the power supply that the caution system circuit is provided is a direct supply, as battery or accumulator.
9. by the described portable gas warning device of claim 2, it is characterized in that, a rectifier can be set AC power is carried out rectification, provide the caution system circuit required power supply again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96120732A CN1184252A (en) | 1996-11-29 | 1996-11-29 | Portable gas warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96120732A CN1184252A (en) | 1996-11-29 | 1996-11-29 | Portable gas warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1184252A true CN1184252A (en) | 1998-06-10 |
Family
ID=5126545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96120732A Pending CN1184252A (en) | 1996-11-29 | 1996-11-29 | Portable gas warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1184252A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105492896A (en) * | 2013-08-09 | 2016-04-13 | 新宇宙电机株式会社 | Environment monitoring system |
-
1996
- 1996-11-29 CN CN96120732A patent/CN1184252A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105492896A (en) * | 2013-08-09 | 2016-04-13 | 新宇宙电机株式会社 | Environment monitoring system |
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| SE01 | Entry into force of request for substantive examination | ||
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| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |