CN203982550U - Multi-functional carbon monoxide detecting alarm - Google Patents

Multi-functional carbon monoxide detecting alarm Download PDF

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Publication number
CN203982550U
CN203982550U CN201420397466.5U CN201420397466U CN203982550U CN 203982550 U CN203982550 U CN 203982550U CN 201420397466 U CN201420397466 U CN 201420397466U CN 203982550 U CN203982550 U CN 203982550U
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carbon monoxide
chip
main control
pin
control chip
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CN201420397466.5U
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钟云龙
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Shenzhen City Kyrgyzstan Kaida Technology Co. Ltd.
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钟云龙
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Abstract

The utility model discloses a kind of multi-functional carbon monoxide detecting alarm; Comprise main control chip, the battery and the alarm that are electrically connected with main control chip respectively, also comprise display drive circuit, display screen and carbon monoxide detector, the input end of described display drive circuit is connected with described main control chip signal, and output terminal is electrically connected with described display screen; Described carbon monoxide detector is electrochemical sensor, and described electrochemical sensor is connected with described main control chip signal by an operational amplification circuit; The utility model adopts electrochemical sensor to be used as carbon monoxide detector, can real-time detect carbonomonoxide concentration, and by real-time carbonomonoxide concentration showing by display screen, meanwhile, in the time carbon monoxide being detected, also can be by the alarm warning of sounding, and also can send audio alert prompting by speech chip control loudspeaker, make user more intuitively more comprehensively to understand alarm condition, result of use is good.

Description

Multi-functional carbon monoxide detecting alarm
Technical field
The utility model relates to safety monitoring equipment technical field, specifically, relates to a kind of carbon monoxide detecting alarm that can detect gas concentration and show related concentrations value.
Background technology
Along with social development, improving constantly of living standard, safety monitoring equipment is used widely, especially for household safety-protection, be particularly related to the leakage of coal gas etc., make the also welcome of combustion gas detecting alarm use, and in combustion gas detecting alarm, the application of carbon monoxide detecting alarm is suitable prevailing, as long as coal gas etc. is revealed in family, carbon monoxide detecting alarm just can make an immediate response and send warning, to warn user or periphery resident etc., eliminate in time gas leakage hidden danger, guarantee personal safety and property safety.
But, traditional carbon monoxide detecting alarm, its function ratio is more single, generally only has simple carbon monoxide detecting warning function, but can not show in real time the concentration of revealed carbon monoxide, can not accomplish more visualize and clearing, in this simultaneously, do not possess time of fire alarming yet, the function that the contents such as alarm times are stored, make in checking culprit, often can comply with without certificate, further, in the time not having electricity to the supplying cell of carbon monoxide detecting alarm power supply, carbon monoxide detecting alarm cannot be worked, can not accomplish comprehensive monitoring and warning.
By this, for the defect of prior art, design a multifunction, can realize that cell voltage shows, battery low-voltage is reported to the police, the content such as time of fire alarming, alarm times is stored, and shown in real time the alarm of carbonomonoxide concentration, be necessary, must there is application value.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and the multi-functional carbon monoxide detecting alarm of one that provides.
The technical scheme that the utility model solution prior art problem adopts is: a kind of multi-functional carbon monoxide detecting alarm, comprise main control chip and the battery, carbon monoxide detector and the alarm that are electrically connected with main control chip respectively, also comprise display drive circuit and display screen, the input end of described display drive circuit is connected with described main control chip signal, and output terminal is electrically connected with described display screen; Described carbon monoxide detector is electrochemical sensor, and described electrochemical sensor is connected with described main control chip signal by an operational amplification circuit;
In the time carbon monoxide being detected from the access port of described electrochemical sensor, described electrochemical sensor produces the electric signal being directly proportional to the concentration of this carbon monoxide, and this electric signal is transferred to described main control chip by the amplification of described operational amplification circuit, described main control chip is processed the electric signal amplifying through operational amplification circuit, and according to electric signal after treatment, control described alarm output sound alerting signal on the one hand, control on the other hand described display screen and show carbonomonoxide concentration value.
Below above technical scheme is further elaborated:
Preferably, also comprise a voice control circuit and loudspeaker, the input end of described voice control circuit is connected with described main control chip signal, and output terminal is electrically connected with described loudspeaker; In the time carbon monoxide being detected from the access port of described electrochemical sensor, under the control of described main control chip, loudspeaker output voice message signal described in described voice control circuit control.
Preferably, also comprise a clock control circuit, the output terminal of described clock control circuit is connected with described main control chip signal.
Preferably, also comprise a low electric weight warning circuit, the input end of described low electric weight warning circuit is connected with described battery signal, and output terminal is connected with described main control chip signal.
Preferably, also comprise that one provides the display backlight driving circuit of backlight to display screen, described display backlight driving circuit is connected with described main control chip signal.
Preferably, also comprise a sensor fault self-checking circuit, one end of described sensor fault self-checking circuit is connected with described electrochemical sensor signal, and the other end is connected with described main control chip signal.
Preferably, also comprise respectively in order to timing parameter to be set, set the control button of carbonomonoxide concentration alarm threshold value, turn on sensor fault self-checking function and power supply, each described control button is connected with described main control chip signal respectively.
Preferably, described main control chip is PIC16LF1508 chip, and described operational amplification circuit comprises 27L2C integrated chip, fixed resistance R42, swept resistance R2 and capacitor C 12;
The 6th pin and the 7th pin of described 27L2C integrated chip are connected with the output terminal of described electrochemical sensor respectively, and the 1st pin is connected with the 8th pin of described PIC16LF1508 chip;
What described fixed resistance R42 and swept resistance R2 were in series is connected between the 2nd pin of described 27L2C integrated chip and the 8th pin of PIC16LF1508 chip; The sliding end of described swept resistance R2 is connected to the 2nd pin of 27L2C integrated chip on the one hand by capacitor C 12, be connected directly on the other hand the 8th pin of PIC16LF1508 chip.
Preferably, described voice control circuit comprises speech chip YX3P065B, IO1 pin, IO2 pin and the OKY1 pin of described speech chip YX3P065B is connected with the 9th pin, the 10th pin and the 13rd pin of described PIC16LF1508 chip respectively, and the PWM1 pin of described speech chip YX3P065B and PWM2 pin are connected to respectively the 1st pin and the 2nd pin of loudspeaker.
Preferably, also comprise a step-down chip, the output terminal of described battery is connected with the input end of described step-down chip, and the output terminal of described step-down chip is connected with described main control chip, and the described battery chargeable lithium cell that is 9V.
The beneficial effects of the utility model are:
One, the multi-functional carbon monoxide detecting alarm of one provided by the utility model, adopt electrochemical sensor to be used as carbon monoxide detector, can real-time detect carbonomonoxide concentration, and by real-time carbonomonoxide concentration showing by display screen, meanwhile, in the time carbon monoxide being detected, also can be by the alarm warning of sounding, and also can send audio alert prompting by speech chip control loudspeaker, make user more intuitively more comprehensively to understand alarm condition, result of use is good.
Two, the utility model is also provided with low electric weight warning circuit, can in real time battery electric quantity be shown by display screen, and it is too low to work as battery electric quantity, lower than set alarm threshold value time, main control chip can be controlled the prompting of alarm output alarm, change in time battery with prompting user, make to avoid the utility model because not having electricity interruptions of working, impact is monitored.
Three, the utility model is also provided with clock control circuit, can be by the real-time displaying time of display screen, and main control chip of the present utility model carries store-memory function, can the be real-time content such as time of fire alarming, alarm times be stored, is made in checking culprit, evidence-based.
Four, the multi-functional carbon monoxide detecting alarm of one provided by the utility model, by the improvement of circuit, make to realize multifunctional all, comprehensive reliability, the stability etc. of guaranteeing that carbon monoxide detecting is reported to the police, and the utility model does not need too many cost, make the utility model must there is good market popularization value, can be very welcome.
Brief description of the drawings
Fig. 1 is the integrated circuit block scheme of the multi-functional carbon monoxide detecting alarm of the utility model;
Fig. 2 is main control chip described in Fig. 1, clock control circuit and controls the circuit diagram that button is connected;
Fig. 3 is the circuit diagram that electrochemical sensor described in Fig. 1, operational amplification circuit and sensor fault self-checking circuit are connected;
Fig. 4 is the circuit diagram that battery described in Fig. 1, low electric weight warning circuit and step-down chip are connected;
Fig. 5 is the circuit diagram of display drive circuit described in Fig. 1;
Fig. 6 is the circuit diagram of display screen described in Fig. 1;
Fig. 7 is the circuit diagram that voice control circuit described in Fig. 1 and loudspeaker are connected;
Fig. 8 is the circuit diagram of the driving circuit of display backlight described in Fig. 1;
Fig. 9 is the circuit diagram of pilot lamp described in Fig. 1;
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
Wherein, main control chip 101; Battery 102; Alarm 103; Display drive circuit 104; Display screen 105; Electrochemical sensor 106; Operational amplification circuit 107; Voice control circuit 108; Loudspeaker 109; Clock control circuit 110; Low electric weight warning circuit 111; Display backlight driving circuit 112; Sensor fault self-checking circuit 113; Control button 114; Step-down chip 115; Pilot lamp 116.
Embodiment
Describe the technical solution of the utility model in detail below with reference to drawings and the specific embodiments, so as clearer, understand invention essence of the present utility model intuitively.
Shown in Fig. 1, the multi-functional carbon monoxide detecting alarm of one provided by the utility model, comprise main control chip 101 and the battery 102, carbon monoxide detector and the alarm 103 that are electrically connected with main control chip 101 respectively, improvement of the present utility model is: also comprise display drive circuit 104 and display screen 105, the input end of described display screen 105 driving circuits 104 is connected with described main control chip 101 signals, and output terminal is electrically connected with described display screen 105; Described carbon monoxide detector is electrochemical sensor 106, and described electrochemical sensor 106 is connected with described main control chip 101 signals by an operational amplification circuit 107;
In the time carbon monoxide being detected from the access port of described electrochemical sensor 106, described electrochemical sensor 106 produces the electric signal being directly proportional to the concentration of this carbon monoxide, and this electric signal is transferred to described main control chip 101 by the amplification of described operational amplification circuit 107, described main control chip 101 is processed the electric signal amplifying through operational amplification circuit 107, and according to electric signal after treatment, control described alarm 103 output sound alerting signals on the one hand, control on the other hand described display screen 105 and show carbonomonoxide concentration value.
In the specific implementation, the utility model also comprises a voice control circuit 108 and loudspeaker 109, and the input end of described voice control circuit 108 is connected with described main control chip 101 signals, and output terminal is electrically connected with described loudspeaker 109; In the time carbon monoxide being detected from the access port of described electrochemical sensor 106, under the control of described main control chip 101, described voice control circuit 108 is controlled described loudspeaker 109 and is exported voice message signal.
Further, the utility model also comprises a clock control circuit 110, and the output terminal of described clock control circuit 110 is connected with described main control chip 101 signals, by the control of described main control chip 101, and the displaying time that described display screen 105 can be real-time.
And the utility model also comprises a low electric weight warning circuit 111, the input end of described low electric weight warning circuit 111 is connected with described battery 102 signals, and output terminal is connected with described main control chip 101 signals.
So, by the setting of low electric weight warning circuit 111, one, by the control of main control chip 101, battery 102 electric weight can show in real time by display screen 105, two, when battery 102 electric weight lower than set by described main control chip 101 alarm threshold value time, described alarm 103 also can Realtime Alerts, to point out user to change in time battery 102, make to avoid the utility model because not having the electricity interruption of working, impact monitoring.
It should be noted that, the utility model also comprises that one provides the display backlight driving circuit 112 of backlight to display screen 105, and described display backlight driving circuit 112 is connected with described main control chip 101 signals.
As preferred version, the utility model also comprises a sensor fault self-checking circuit 113, and one end of described sensor fault self-checking circuit 113 is connected with described electrochemical sensor 106 signals, and the other end is connected with described main control chip 101 signals.
Meanwhile, the utility model also comprises respectively in order to timing parameter to be set, sets the control button 114 of carbonomonoxide concentration alarm threshold value, turn on sensor fault self-checking function and power supply, and each described control button 114 is connected with described main control chip 101 signals respectively.
It is emphasized that as making longevity of service of the present utility model the chargeable lithium cell 102 for 9V that described battery 102 adopts.And operating voltage of the present utility model is 3V, and then, the utility model also comprises a step-down chip 115, the output terminal of described battery 102 is connected with the input end of described step-down chip 115, the output terminal of described step-down chip 115 is connected with described main control chip 101, by the step-down of step-down chip 115, the 9V voltage transitions of input can be become to 3V voltage is that described main control chip 101 is powered.
And the utility model also comprises the pilot lamp 116 that shows red light and green, and described pilot lamp 116 is connected with described main control chip 101 signals respectively; When concrete enforcement, by the control of main control chip 101, in the time that the utility model is normally worked, green indicating lamp 116 is bright, and red led 116 does not work; When the utility model is not while normally working, green indicating lamp 116 does not work, and red led 116 is bright.
As passed through the control of main control chip 101, in the time utilizing control button 114 turn on sensor fault self-checking function, if electrochemical sensor 106 of the present utility model is working properly, meeting bright green pilot lamp 116, if electrochemical sensor 106 of the present utility model breaks down, red led 116 can be bright, and then, can be convenient to user and understand in time working condition of the present utility model.
In the specific implementation, particular circuit configurations of the present utility model and annexation etc. are as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9;
What described main control chip 101 of the present utility model adopted is PIC16LF1508 chip, and 107 of described operational amplification circuits comprise 27L2C integrated chip, fixed resistance R42, swept resistance R2 and capacitor C 12;
The 6th pin and the 7th pin of described 27L2C integrated chip are connected with the output terminal of described electrochemical sensor 106 respectively, and the 1st pin is connected with the 8th pin of described PIC16LF1508 chip;
What described fixed resistance R42 and swept resistance R2 were in series is connected between the 2nd pin of described 27L2C integrated chip and the 8th pin of PIC16LF1508 chip; The sliding end of described swept resistance R2 is connected to the 2nd pin of 27L2C integrated chip on the one hand by capacitor C 12, be connected directly on the other hand the 8th pin of PIC16LF1508 chip.
And it should be noted that, described voice control circuit 108 comprises speech chip YX3P065B, IO1 pin, IO2 pin and the OKY1 pin of described speech chip YX3P065B is connected with the 9th pin, the 10th pin and the 13rd pin of described PIC16LF1508 chip respectively, and the PWM1 pin of described speech chip YX3P065B and PWM2 pin are connected to respectively the 1st pin and the 2nd pin of loudspeaker 109.
In the utility model embodiment, the line connecting relation between other each circuit etc., can, in conjunction with Fig. 2 to Fig. 9 reference in addition, at this, not elaborate.
And then, the utility model is optimized design by the carbon monoxide detecting alarm 103 to traditional, and adopt electrochemical sensor 106 to be used as carbon monoxide detector, can real-time detect carbonomonoxide concentration, and the display screen 105 that passes through real-time carbonomonoxide concentration is shown, meanwhile, in the time carbon monoxide being detected, also can be by alarm 103 warning of sounding, and also can send audio alert prompting by speech chip control loudspeaker 109, make user more intuitively more comprehensively to understand alarm condition, result of use is good.
And what main control chip 101 of the present utility model adopted is PIC16LF1508 chip, this PIC16LF1508 chip carries store-memory function, can be real-time the content such as time of fire alarming, alarm times is stored, is made checking in culprit, evidence-based, thereby, also make the utility model more safe and reliable.
In sum, the multi-functional carbon monoxide detecting alarm 103 of one provided by the utility model, by the improvement of circuit, make to realize multifunctional all, comprise that battery electric quantity shows, battery low-electricity quantity is reported to the police, clock numeral shows, carbon monoxide detecting is reported to the police, carbonomonoxide concentration shows, sensor fault self-inspection, warning memory storage etc., the comprehensive accuracy of guaranteeing that carbon monoxide detecting is reported to the police, reliability, stability etc., and the utility model does not need too many cost, make the utility model must there is good market popularization value, can be very welcome.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (10)

1. a multi-functional carbon monoxide detecting alarm, comprise main control chip, the battery and the alarm that are electrically connected with main control chip respectively, it is characterized in that: also comprise display drive circuit, display screen and carbon monoxide detector, the input end of described display drive circuit is connected with described main control chip signal, and output terminal is electrically connected with described display screen; Described carbon monoxide detector is electrochemical sensor, and described electrochemical sensor is connected with described main control chip signal by an operational amplification circuit;
In the time carbon monoxide being detected from the access port of described electrochemical sensor, described electrochemical sensor produces the electric signal being directly proportional to the concentration of this carbon monoxide, and this electric signal is transferred to described main control chip by the amplification of described operational amplification circuit, described main control chip is processed the electric signal amplifying through operational amplification circuit, and according to electric signal after treatment, control described alarm output sound alerting signal on the one hand, control on the other hand described display screen and show carbonomonoxide concentration value.
2. multi-functional carbon monoxide detecting alarm according to claim 1, is characterized in that: also comprise a voice control circuit and loudspeaker, the input end of described voice control circuit is connected with described main control chip signal, and output terminal is electrically connected with described loudspeaker; In the time carbon monoxide being detected from the access port of described electrochemical sensor, under the control of described main control chip, loudspeaker output voice message signal described in described voice control circuit control.
3. multi-functional carbon monoxide detecting alarm according to claim 1, is characterized in that: also comprise a clock control circuit, the output terminal of described clock control circuit is connected with described main control chip signal.
4. multi-functional carbon monoxide detecting alarm according to claim 1, is characterized in that: also comprise a low electric weight warning circuit, the input end of described low electric weight warning circuit is connected with described battery signal, and output terminal is connected with described main control chip signal.
5. multi-functional carbon monoxide detecting alarm according to claim 1, is characterized in that: also comprise that one provides the display backlight driving circuit of backlight to display screen, described display backlight driving circuit is connected with described main control chip signal.
6. multi-functional carbon monoxide detecting alarm according to claim 1, it is characterized in that: also comprise a sensor fault self-checking circuit, one end of described sensor fault self-checking circuit is connected with described electrochemical sensor signal, and the other end is connected with described main control chip signal.
7. multi-functional carbon monoxide detecting alarm according to claim 1, it is characterized in that: also comprise respectively in order to timing parameter to be set, set the control button of carbonomonoxide concentration alarm threshold value, turn on sensor fault self-checking function and power supply, each described control button is connected with described main control chip signal respectively.
8. multi-functional carbon monoxide detecting alarm according to claim 2, is characterized in that: described main control chip is PIC16LF1508 chip, described operational amplification circuit comprises 27L2C integrated chip, fixed resistance R42, swept resistance R2 and capacitor C 12;
The 6th pin and the 7th pin of described 27L2C integrated chip are connected with the output terminal of described electrochemical sensor respectively, and the 1st pin is connected with the 8th pin of described PIC16LF1508 chip;
What described fixed resistance R42 and swept resistance R2 were in series is connected between the 2nd pin of described 27L2C integrated chip and the 8th pin of PIC16LF1508 chip; The sliding end of described swept resistance R2 is connected to the 2nd pin of 27L2C integrated chip on the one hand by capacitor C 12, be connected directly on the other hand the 8th pin of PIC16LF1508 chip.
9. multi-functional carbon monoxide detecting alarm according to claim 8, it is characterized in that: described voice control circuit comprises speech chip YX3P065B, IO1 pin, IO2 pin and the OKY1 pin of described speech chip YX3P065B is connected with the 9th pin, the 10th pin and the 13rd pin of described PIC16LF1508 chip respectively, and the PWM1 pin of described speech chip YX3P065B and PWM2 pin are connected to respectively the 1st pin and the 2nd pin of loudspeaker.
10. multi-functional carbon monoxide detecting alarm according to claim 1, it is characterized in that: also comprise a step-down chip, the output terminal of described battery is connected with the input end of described step-down chip, the output terminal of described step-down chip is connected with described main control chip, and the described battery chargeable lithium cell that is 9V.
CN201420397466.5U 2014-07-17 2014-07-17 Multi-functional carbon monoxide detecting alarm Active CN203982550U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105788183A (en) * 2016-04-27 2016-07-20 东华大学 Gas alarm
CN106056859A (en) * 2016-08-15 2016-10-26 成都实唯物联网科技有限公司 Gas detection alarm
CN108227617A (en) * 2018-02-13 2018-06-29 上海振华重工(集团)股份有限公司 A kind of tyre crane remote detection and assessment system
CN109754574A (en) * 2019-03-06 2019-05-14 重庆瑜欣平瑞电子股份有限公司 General gasoline generator carbon monoxide alarm

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105788183A (en) * 2016-04-27 2016-07-20 东华大学 Gas alarm
CN106056859A (en) * 2016-08-15 2016-10-26 成都实唯物联网科技有限公司 Gas detection alarm
CN108227617A (en) * 2018-02-13 2018-06-29 上海振华重工(集团)股份有限公司 A kind of tyre crane remote detection and assessment system
CN109754574A (en) * 2019-03-06 2019-05-14 重庆瑜欣平瑞电子股份有限公司 General gasoline generator carbon monoxide alarm

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20171113

Address after: 518000 Guangdong province Shenzhen city Songgang Baoan District Street Red Star Community Taixing industrial district 31 A301

Patentee after: Shenzhen City Kyrgyzstan Kaida Technology Co. Ltd.

Address before: Lian Cun Zhen Jia Lou Cun, Xincai County, Zhumadian City, Henan Province, after the camp bell 463521

Patentee before: Zhong Yunlong

TR01 Transfer of patent right