CN202502067U - CO (carbon monoxide) digital detector - Google Patents
CO (carbon monoxide) digital detector Download PDFInfo
- Publication number
- CN202502067U CN202502067U CN2012200970907U CN201220097090U CN202502067U CN 202502067 U CN202502067 U CN 202502067U CN 2012200970907 U CN2012200970907 U CN 2012200970907U CN 201220097090 U CN201220097090 U CN 201220097090U CN 202502067 U CN202502067 U CN 202502067U
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Abstract
The utility model discloses a CO (carbon monoxide) digital detector comprising a singlechip, a CO sensor, an amplifying circuit, an A/D (Analog to Digital) converter, a communication module, a key and an LED (Light Emitting Diode) display screen, wherein a signal input end of the CO sensor is connected with a signal input end of the amplifying circuit, a signal output end of the amplifying circuit is connected with a signal input end of the A/D converter, a signal output end of the A/D converter is connected with a signal input end of the singlechip, a signal input end of the singlechip is connected with a signal output end of the key, a display signal output end of the singlechip is connected with a signal input end of the LED display screen, and a signal output end of the singlechip is connected a the signal input end of the communication module. The singlechip and the communication module are arranged in the CO detector, so that the measurement accuracy of the CO detector is improved, and the functions of remote communication and remote monitoring are realized.
Description
Technical field
The utility model relates to a kind of detector, particularly relates to a kind of CO digital test machine.
Background technology
Carbon monoxide is a harmful gas common in the daily life, and it is colourless, tasteless, odorless, nonirritant, the people is poisoned and is difficult for discovering.And when airborne CO concentration reaches 12.5% (about 125000ppm), meeting naked light can blast; Carbon monoxide detector can effectively prevent CO to poison and because the blast that CO causes, however at present the main carbon monoxide detector ubiquity life-span of adopting short, accurately rate variance, can not realize shortcoming such as telecommunication.
Summary of the invention
The purpose of the utility model be provide in order to address the above problem a kind of simple in structure, easy to use, accuracy rate of measuring is high, can realize the CO digital test machine of telecommunication.
The utility model is realized through following technical scheme:
A kind of CO digital test machine; Comprise single-chip microcomputer, CO sensor, amplifying circuit, A/D converter, communication module, button and LED display; The signal input part of said CO sensor is connected with the signal input part of said amplifying circuit; The signal output part of said amplifying circuit is connected with the signal input part of said A/D converter; The signal output part of said A/D converter is connected with the signal input part of said single-chip microcomputer; The signal input part of said single-chip microcomputer is connected with the signal output part of said button, and the shows signal output terminal of said single-chip microcomputer is connected with the signal input part of said LED display, and the signal output part of said single-chip microcomputer is connected with the signal input part of said communication module.
Adopt CO sensor acquisition CO concentration.The signal of sensor acquisition is input to A/D converter after amplifying circuit amplifies be digital signal with analog signal conversion; Send digital signal to single-chip microcomputer, single-chip microcomputer is sent to display screen or sends the CO concentration value to remote monitoring center through communication module for the digital signal after handling again.
Further improvement as the utility model is, said CO digital test machine also comprises clock circuit, and the signal output part of said clock circuit is connected with the clock signal input terminal of said single-chip microcomputer.
Further improvement as the utility model is, said CO digital test machine also comprises watchdog circuit, and the signal input part of said watchdog circuit is connected with the signal input part of said single-chip microcomputer.
The beneficial effect of the utility model is:
Through single-chip microcomputer and communication module are arranged in the carbon monoxide detector, improve the accuracy that carbon monoxide detector is measured, and can realize the function of telecommunication and remote monitoring, simultaneously, also avoided shortcomings such as the measurement range of traditional carbon monoxide detector is narrower.
Description of drawings
Fig. 1 is the structural representation of the utility model CO digital test machine.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify:
As shown in Figure 1; A kind of CO digital test machine of the utility model; Comprise single-chip microcomputer, CO sensor, amplifying circuit, A/D converter, communication module, button and LED display; The signal input part of said CO sensor is connected with the signal input part of said amplifying circuit; The signal output part of said amplifying circuit is connected with the signal input part of said A/D converter, and the signal output part of said A/D converter is connected with the signal input part of said single-chip microcomputer, and the signal input part of said single-chip microcomputer is connected with the signal output part of said button; The shows signal output terminal of said single-chip microcomputer is connected with the signal input part of said LED display, and the signal output part of said single-chip microcomputer is connected with the signal input part of said communication module.
Adopt CO sensor acquisition CO concentration.The signal of sensor acquisition is input to A/D converter after amplifying circuit amplifies be digital signal with analog signal conversion; Send digital signal to single-chip microcomputer, single-chip microcomputer is sent to display screen or sends the CO concentration value to remote monitoring center through communication module for the digital signal after handling again.
Said CO digital test machine also comprises clock circuit, and the signal output part of said clock circuit is connected with the clock signal input terminal of said single-chip microcomputer.Said CO digital test machine also comprises watchdog circuit, and the signal input part of said watchdog circuit is connected with the signal input part of said single-chip microcomputer.
Claims (3)
1. CO digital test machine; It is characterized in that: comprise single-chip microcomputer, CO sensor, amplifying circuit, A/D converter, communication module, button and LED display; The signal input part of said CO sensor is connected with the signal input part of said amplifying circuit; The signal output part of said amplifying circuit is connected with the signal input part of said A/D converter; The signal output part of said A/D converter is connected with the signal input part of said single-chip microcomputer; The signal input part of said single-chip microcomputer is connected with the signal output part of said button, and the shows signal output terminal of said single-chip microcomputer is connected with the signal input part of said LED display, and the signal output part of said single-chip microcomputer is connected with the signal input part of said communication module.
2. CO digital test machine according to claim 1 is characterized in that: said CO digital test machine also comprises clock circuit, and the signal output part of said clock circuit is connected with the clock signal input terminal of said single-chip microcomputer.
3. CO digital test machine according to claim 1 is characterized in that: said CO digital test machine also comprises watchdog circuit, and the signal input part of said watchdog circuit is connected with the signal input part of said single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200970907U CN202502067U (en) | 2012-03-15 | 2012-03-15 | CO (carbon monoxide) digital detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200970907U CN202502067U (en) | 2012-03-15 | 2012-03-15 | CO (carbon monoxide) digital detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202502067U true CN202502067U (en) | 2012-10-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200970907U Expired - Fee Related CN202502067U (en) | 2012-03-15 | 2012-03-15 | CO (carbon monoxide) digital detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202502067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529173A (en) * | 2013-10-24 | 2014-01-22 | 沈阳添瀛通用设备有限公司 | Carbon monoxide sensor |
-
2012
- 2012-03-15 CN CN2012200970907U patent/CN202502067U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529173A (en) * | 2013-10-24 | 2014-01-22 | 沈阳添瀛通用设备有限公司 | Carbon monoxide sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20130315 |