CN2932382Y - A multifunctional fuel gas detector - Google Patents
A multifunctional fuel gas detector Download PDFInfo
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- CN2932382Y CN2932382Y CN 200620021396 CN200620021396U CN2932382Y CN 2932382 Y CN2932382 Y CN 2932382Y CN 200620021396 CN200620021396 CN 200620021396 CN 200620021396 U CN200620021396 U CN 200620021396U CN 2932382 Y CN2932382 Y CN 2932382Y
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Abstract
The utility model provides a multifunctional gas detector, comprising a power unit consisting of a rectifier filter circuit and a voltage regulator circuit, an alarm detecting circuit, a temperature-and-humidity sampling circuit, a clock circuit, a push-button setting circuit, a voice alarm circuit, a LCD circuit and a driving control circuit, wherein the power unit, the alarm detecting circuit, the temperature-and-humidity sampling circuit, the clock circuit, the push-button setting circuit are connected with the control circuit, the outlets of the control circuit are respectively connected with the voice alarm circuit, the LCD circuit and the driving control circuit. The utility model is capable of carrying out a voice alarm and displaying conditions like density of combustible gas, time, environmental humiture. Furthermore, the alarm data of the utility model is ascertained by changes of environmental humiture through firstly sampling conditions of environmental humiture, then analyzing data by software, thereby ensuring the alarm data and actually reflecting environment conditions, as a result the operation of the detector is considerably reliable.
Description
(1) technical field
The utility model relates to a kind of warning device, a kind of specifically family expenses combustible gas detector.
(2) background technology
Combustible gas has become huge numbers of families' main energy sources, and its use has also brought a lot of hazards when the life of giving people brings convenience.Because blast and intoxication accident that gas leakage causes are of common occurrence, the safety of people's lives and properties in serious threat, in order to address this problem, existing multiple flammable gas alarm device is used widely, fuel gas alarm generally is made up of sensor and control circuit, and when combustible gas leakage reached finite concentration, alarm just sent alerting signals such as sound, light, and output is visited the system signal, the cut-out source of the gas.
Family expenses combustible gas detector will be installed in the kitchen, and environment is a more complicated in the kitchen, and intraday temperature, humidity change quite greatly.The duty of the gas sensor of detector is subjected to temperature, humidity effect.All be under the environment of normal temperature, to demarcate during detector manufacturer product export.The internal cause gas sensor is affected by environment in the kitchen, and alarming value also produces sizable drift, phenomenon such as detector is easy to generate wrong report, fail to report.
(3) summary of the invention
The purpose of this utility model is providing a kind of rational in infrastructure, multiple functional, safe and reliable multifunctional fuel detector.
The purpose of this utility model is achieved in that it comprises the power supply unit that is made of current rectifying and wave filtering circuit and mu balanced circuit, it also comprises alarm detection circuit, humiture sample circuit, clock circuit, button initialization circuit, audible alarm circuit, liquid crystal display circuit and Drive and Control Circuit, power supply unit, alarm detection circuit, humiture sample circuit, clock circuit, button initialization circuit connect control circuit, and the output of control circuit connects audible alarm circuit, liquid crystal display circuit and Drive and Control Circuit respectively.
Physical circuit of the present utility model consists of:
(1) described current rectifying and wave filtering circuit by transformer by transformer T
1, diode D
2, D
3, D
4, D
5, capacitor C D
3, C
3Form T
1The 4th pin and D
3Positive pole, D
4Negative pole connect.
(2) described mu balanced circuit is by stabilivolt U
5, capacitor C
2Form U
5The 3rd pin and C
2Positive pole connect.
(3) described alarm detection circuit is by gas sensor SENSF, resistance R
8, R
9, R
10, R
11, R
12, R
13, R
14, R
15, potentiometer W1, integrated circuit U0 forms, R9 connects the 3rd pin of U0, R
10Connect U
0The 2nd pin, U
0The 7th pin and U
3Crus secunda link to each other.
(4) described humiture sample circuit U
2Form U
2The 2nd pin and U
3The 13rd pin connect U
2The 3rd pin and U
3The 14th pin link to each other.
(5) described clock circuit is by U
4, U
1, diode R
6, R
7, resistance R
6, capacitor C
5Form.U
4The 8th, 9 pin connect U respectively
3The 12nd, 11 pin.
(6) described button initialization circuit is by switch S
1, S
2, S
3, resistance R
1, R
2, R
3Form resistance R
1, R
2, R
3An end connect U respectively
3The 4th, 5,6 pin.
(7) described audible alarm circuit is by triode Q
2, hummer BELL, resistance R
19Form.Triode Q
2Emitter connect hummer BELL, resistance R
19Connect triode Q
2Base stage.
(8) described liquid crystal display circuit is by liquid crystal display LCD, resistance R
16, R
17Form.The 4th, 5,6 pin of liquid crystal display LCD connect U respectively
3The 18th, 17,16 pin.
(9) described Drive and Control Circuit is by triode Q
1, resistance R
20, R
21, diode R
1,, capacitor C D
1, socket CK
1Form.CK
1Connect solenoid valve.
Of the present utility model rational in infrastructure, multiple functional, safe and reliable.Not only can audible alarm, can also show the concentration of combustible gas, time, situations such as the humiture of environment.Alarming value that the more important thing is it is to determine according to the humiture situation of change of environment, and its at first sample humiture situation of environment by the software analysis data, is determined alarming value, reflects ambient conditions really, so detector operation is quite reliable.
(4) description of drawings
Fig. 1 is a block diagram of the present utility model;
Fig. 2 is the electrical block diagram of preferred embodiment of the utility model.
(5) embodiment
For example the utility model is done more detailed description below in conjunction with accompanying drawing:
In conjunction with Fig. 1, the composition of many merits combustion gas energy detector comprises the power supply unit that is made of current rectifying and wave filtering circuit and mu balanced circuit, it also comprises alarm detection circuit, humiture sample circuit, clock circuit, button initialization circuit, audible alarm circuit, liquid crystal display circuit and Drive and Control Circuit, power supply unit, alarm detection circuit, humiture sample circuit, clock circuit, button initialization circuit connect control circuit, and the output of control circuit connects audible alarm circuit, liquid crystal display circuit and Drive and Control Circuit respectively.
In conjunction with Fig. 2, physical circuit of the present utility model consists of:
U
3Be microprocessor PIC16F873A, U
0Be integrated operational amplifier LM324, U
5Be three terminal regulator LM7805, U
1Be Sheffer stroke gate 74HC00, U
2Be Temperature Humidity Sensor SHT71, U
4Clock chip X1288.
Current rectifying and wave filtering circuit by transformer by transformer T
1, diode D
2, D
3, D
4, D
5, capacitor C D
3, C
3Form T
1The 4th pin and D
3Positive pole, D
4Negative pole connect.
Mu balanced circuit is by stabilivolt U
5, capacitor C
2Form U
5The 3rd pin and C
2Positive pole connect.
The alarm detection circuit is by gas sensor SENSF, resistance R
8, R
9, R
10, R
11, R
12, R
13, R
14, R
15, potentiometer W1, integrated circuit U0 forms, and R9 connects the 3rd pin of U0, R
10Connect U
0The 2nd pin, U
0The 7th pin and U
3Crus secunda link to each other.
Humiture sample circuit U
2Form U
2Be the humiture special chip, it can change into number to sampled analog voltage and decide signal output, U
2The 2nd pin and U
3The 13rd pin connect U
2The 3rd pin and U
3The 14th pin link to each other.
Clock circuit is by U
4, U
1, diode R
6, R
7, resistance R
6, capacitor C
5Form.U
4The 8th, 9 pin connect U respectively
3The 12nd, 11 pin.
The button initialization circuit is by switch S
1, S
2, S
3, resistance R
1, R
2, R
3Form resistance R
1, R
2, R
3An end connect U respectively
3The 4th, 5,6 pin.
The audible alarm circuit is by triode Q
2, hummer BELL, resistance R
19Form.Triode Q
2Emitter connect hummer BELL, resistance R
19Connect triode Q
2Base stage.
Liquid crystal display circuit is by liquid crystal display LCD, resistance R
16, R
17Form.The 4th, 5,6 pin of liquid crystal display LCD connect U respectively
3The 18th, 17,16 pin.
Drive and Control Circuit is by triode Q
1, resistance R
20, R
21, diode R
1,, capacitor C D
1, socket CK
1Form.CK
1Connect solenoid valve.
Claims (10)
1, a kind of multifunctional fuel detector, it comprises the power supply unit that is made of current rectifying and wave filtering circuit and mu balanced circuit, it is characterized in that: further comprising alarm detection circuit, humiture sample circuit, clock circuit, button initialization circuit, audible alarm circuit, liquid crystal display circuit and Drive and Control Circuit, power supply unit, alarm detection circuit, humiture sample circuit, clock circuit, button initialization circuit connect control circuit, and the output of control circuit connects audible alarm circuit, liquid crystal display circuit and Drive and Control Circuit respectively.
2, multifunctional fuel detector according to claim 1 is characterized in that: described current rectifying and wave filtering circuit by transformer by transformer T
1, diode D
2, D
3, D
4, D
5, capacitor C D
3, C
3Form T
1The 4th pin and D
3Positive pole, D
4Negative pole connect.
3, multifunctional fuel detector according to claim 2, it is characterized in that: described mu balanced circuit is by stabilivolt U
5, capacitor C
2Form U
5The 3rd pin and C
2Positive pole connect.
4, multifunctional fuel detector according to claim 3 is characterized in that: described alarm detection circuit is by gas sensor SENSF, resistance R
8, R
9, R
10, R
11, R
12, R
13, R
14, R
15, potentiometer W1, integrated circuit U0 forms, and R9 connects the 3rd pin of U0, R
10Connect U
0The 2nd pin, U
0The 7th pin and U
3Crus secunda link to each other.
5, multifunctional fuel detector according to claim 4 is characterized in that: described humiture sample circuit U
2Form U
2The 2nd pin and U
3The 13rd pin connect U
2The 3rd pin and U
3The 14th pin link to each other.
6, multifunctional fuel detector according to claim 5, it is characterized in that: described clock circuit is by U
4, U
1, diode R
6, R
7, resistance R
6, capacitor C
5Form.U
4The 8th, 9 pin connect U respectively
3The 12nd, 11 pin.
7, multifunctional fuel detector according to claim 6 is characterized in that: described button initialization circuit is by switch S
1, S
2, S
3, resistance R
1, R
2, R
3Form resistance R
1, R
2, R
3An end connect U respectively
3The 4th, 5,6 pin.
8, multifunctional fuel detector according to claim 7 is characterized in that: described audible alarm circuit is by triode Q
2, hummer BELL, resistance R
19Form.Triode Q
2Emitter connect hummer BELL, resistance R
19Connect triode Q
2Base stage.
9, multifunctional fuel detector according to claim 8, it is characterized in that: described liquid crystal display circuit is by liquid crystal display LCD, resistance R
16, R
17Form.The 4th, 5,6 pin of liquid crystal display LCD connect U respectively
3The 18th, 17,16 pin.
10, multifunctional fuel detector according to claim 9, it is characterized in that: described Drive and Control Circuit is by triode Q
1, resistance R
20, R
21, diode R
1, capacitor C D
1, socket CK
1Form.CK
1Connect solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620021396 CN2932382Y (en) | 2006-08-07 | 2006-08-07 | A multifunctional fuel gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620021396 CN2932382Y (en) | 2006-08-07 | 2006-08-07 | A multifunctional fuel gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2932382Y true CN2932382Y (en) | 2007-08-08 |
Family
ID=38348880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620021396 Expired - Fee Related CN2932382Y (en) | 2006-08-07 | 2006-08-07 | A multifunctional fuel gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2932382Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236951A (en) * | 2010-04-22 | 2011-11-09 | 赵筛根 | Combustible gas alarm |
| WO2013072529A1 (en) * | 2011-11-15 | 2013-05-23 | Julio Bouzas Fuentetaja | Gas detector device |
| CN103345817A (en) * | 2013-06-13 | 2013-10-09 | 无锡商业职业技术学院 | Fuel gas safety monitoring and controlling system |
| CN110085004A (en) * | 2019-05-09 | 2019-08-02 | 王亮 | A kind of fuel gas detection alarm self-starting blower fan control system |
-
2006
- 2006-08-07 CN CN 200620021396 patent/CN2932382Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236951A (en) * | 2010-04-22 | 2011-11-09 | 赵筛根 | Combustible gas alarm |
| WO2013072529A1 (en) * | 2011-11-15 | 2013-05-23 | Julio Bouzas Fuentetaja | Gas detector device |
| ES2419505A1 (en) * | 2011-11-15 | 2013-08-20 | Julio BOUZAS FUENTETAJA | Gas detector device |
| CN103345817A (en) * | 2013-06-13 | 2013-10-09 | 无锡商业职业技术学院 | Fuel gas safety monitoring and controlling system |
| CN110085004A (en) * | 2019-05-09 | 2019-08-02 | 王亮 | A kind of fuel gas detection alarm self-starting blower fan control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |