CN203179238U - Detection and alarm safety device for flammable gas leakage - Google Patents
Detection and alarm safety device for flammable gas leakage Download PDFInfo
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- CN203179238U CN203179238U CN 201320205938 CN201320205938U CN203179238U CN 203179238 U CN203179238 U CN 203179238U CN 201320205938 CN201320205938 CN 201320205938 CN 201320205938 U CN201320205938 U CN 201320205938U CN 203179238 U CN203179238 U CN 203179238U
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Abstract
The utility model discloses a detection and alarm safety device for flammable gas leakage. The device includes a detecting and sending unit for flammable gas leakage and an alarm receiving unit for flammable gas leakage. The detection and sending unit for flammable gas leakage includes a first microcontroller module; the input end of the first microcontroller module is connected with an A/D conversion circuit module and the output ends of the first microcontroller module are connected with a display circuit module, a first sound-light alarm circuit module, a relay circuit module and a wireless transmitting module; and the input end of the A/D conversion circuit module is connected with a flammable-gas sensor. The alarm receiving unit for flammable gas leakage includes a second microcontroller module; the input ends of the second microcontroller module are connected with a wireless receiving module and an alarm-clearing button; and the output end of the second microcontroller module is connected with a second sound-light alarm circuit module. The detection and alarm safety device for flammable gas leakage is reasonable in design, low in implementation cost, convenient to use, high in reliability, timely and effective in starting the alarm, low in failure rate, high in practicality and easy to promote and use.
Description
Technical field
The utility model belongs to the gas safe technical field, is specifically related to a kind of combustible gas leakage detection alarm safety feature.
Background technology
Along with developing rapidly of modernized society, the utilization of inflammable gas more and more widely.No matter be family, catering industry even some research institutions and factory and enterprise, the capital more or less use inflammable gas, and in the process of using combustion gas, mishaies such as the gas explosion that causes because of reasons such as gas leakage, waste gas, poisoning happen occasionally, brought serious threat for people's safety of life and property, therefore use the most important thing that combustion gas is the work of combustion gas competent authorities always safely, also occurred some combustible gas leakage warning devices in the prior art.But, combustible gas leakage warning device of the prior art exists complex structure, installs and uses inconvenience, start report to the police lag behind, defective and deficiencies such as functional reliability is poor, failure rate height, expensive, user's replacement cost height, limited it and promoted the use of.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of combustible gas leakage detection alarm safety feature is provided, and it is simple in structure, and is reasonable in design, realization is convenient and cost is low, it is convenient to install and use, the functional reliability height, and it is timely and effective to start warning, failure rate is low, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: comprise that combustible gas leakage detects transmitting element and combustible gas leakage warning receiving element, described combustible gas leakage detects first power module that transmitting element comprises first micro controller module and detects each electricity consumption module for power supply in the transmitting element for combustible gas leakage, the input end of described first micro controller module is connected to A/D change-over circuit module, the input end of described A/D change-over circuit module is connected to the combustible gas sensor that detects in real time for the combustable gas concentration to detected environment, the output terminal of described first micro controller module is connected to for the display circuit module that shows combustable gas concentration, and the first sound light alarming circuit module that is used for sending the sound and light alarm signal when combustable gas concentration surpasses the combustable gas concentration threshold value, connect the relay circuit module of extraction fan current supply circuit and to the wireless transmitter module of combustible gas leakage warning receiving element wireless transmission alerting signal; Described combustible gas leakage warning receiving element comprises second micro controller module and is the second source module of each electricity consumption module for power supply in the combustible gas leakage warning receiving element, the input end of described second micro controller module is connected to for the wireless receiving module of the alerting signal that receives the wireless transmitter module transmission and is used for removing the warning of reporting to the police removes button, and the output terminal of described second micro controller module is connected to be used to the second sound optical alarm circuit module of sending the sound and light alarm signal.
Above-mentioned a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: described first micro controller module is made up of the first single chip computer AT 89C51, first reset circuit and first crystal oscillating circuit, the pin 31 of the described first single chip computer AT 89C51 and pin 40 all join pin 20 ground connection of the described first single chip computer AT 89C51 with the VCC output terminal of first power module; Described first reset circuit is made up of reset key RST1 and resistance R 3, the pin 9 of the described first single chip computer AT 89C51 joins with the end of reset key RST1 and an end of resistance R 3, the VCC output terminal of the other end of described reset key RST1 and first power module joins, the other end ground connection of described resistance R 3; Described first crystal oscillating circuit is made of crystal oscillator Y1 and polarity free capacitor C1 and C2, the pin 18 of the described first single chip computer AT 89C51 joins with the end of crystal oscillator Y1 and the end of polarity free capacitor C1, the pin 19 of the described first single chip computer AT 89C51 joins the equal ground connection of the other end of the other end of described polarity free capacitor C1 and polarity free capacitor C2 with the other end of crystal oscillator Y1 and the end of polarity free capacitor C2.
Above-mentioned a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: described A/D change-over circuit module is made of chip ADC0832, the pin 1 of described chip ADC0832 joins with the pin 16 of the described first single chip computer AT 89C51, pin 4 ground connection of described chip ADC0832, the pin 5 of described chip ADC0832 and pin 6 all join with the pin 14 of the described first single chip computer AT 89C51, the pin 7 of described chip ADC0832 joins with the pin 15 of the described first single chip computer AT 89C51, and the pin 8 of described chip ADC0832 and the VCC output terminal of first power module join.
Above-mentioned a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: described combustible gas sensor is MQ-2 semiconductor combustible gas sensor, the pin 1 of described MQ-2 semiconductor combustible gas sensor, pin 2 and pin 3 all join with the VCC output terminal of first power module, the pin 4 of described MQ-2 semiconductor combustible gas sensor and pin 6 all join with the pin 2 of described chip ADC0832 and an end of resistance R 10, the equal ground connection of the other end of the pin 5 of described MQ-2 semiconductor combustible gas sensor and resistance R 10.
Above-mentioned a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: described display circuit module is total to anode LED charactron by four, resistance R 4, R5, R6 and R7 and triode Q3, Q4, Q5 and Q6 form, the pin 1 of described four common anode LED charactrons joins with the pin 35 of the described first single chip computer AT 89C51, the pin 2 of described four common anode LED charactrons joins with the pin 36 of the described first single chip computer AT 89C51, the pin 3 of described four common anode LED charactrons joins with the pin 32 of the described first single chip computer AT 89C51, the pin 4 of described four common anode LED charactrons joins with the pin 37 of the described first single chip computer AT 89C51, the pin 5 of described four common anode LED charactrons joins with the pin 33 of the described first single chip computer AT 89C51, the pin 6 of described four common anode LED charactrons joins with the collector of triode Q5, the pin 7 of described four common anode LED charactrons joins with the pin 38 of the described first single chip computer AT 89C51, the pin 8 of described four common anode LED charactrons joins with the collector of triode Q6, the pin 9 of described four common anode LED charactrons joins with the collector of triode Q4, the pin 10 of described four common anode LED charactrons joins with the pin 34 of the described first single chip computer AT 89C51, the pin 11 of described four common anode LED charactrons joins with the pin 39 of the described first single chip computer AT 89C51, the pin 12 of described four common anode LED charactrons joins with the collector of triode Q3, the base stage of described triode Q3 is joined by the pin 21 of resistance R 4 with the described first single chip computer AT 89C51, the base stage of described triode Q4 is joined by the pin 22 of resistance R 5 with the described first single chip computer AT 89C51, the base stage of described triode Q5 is joined by the pin 23 of resistance R 6 with the described first single chip computer AT 89C51, the base stage of described triode Q6 is joined the emitter of described triode Q3 by the pin 24 of resistance R 7 and the described first single chip computer AT 89C51, the emitter of triode Q4, the emitter of the emitter of triode Q5 and triode Q6 all joins with the VCC output terminal of first power module.
Above-mentioned a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: the described first sound light alarming circuit module is made up of first buzzer alarm circuit and the first pilot lamp cue circuit, described first buzzer alarm circuit is by resistance R 1, triode Q1 and hummer LS1 form, one end of described resistance R 1 and the pin 1 of the described first single chip computer AT 89C51 join, the base stage of the other end of described resistance R 1 and triode Q1 is joined, the positive pole of the collector of described triode Q1 and hummer LS1 joins, the minus earth of described hummer LS1, the VCC output terminal of the emitter of described triode Q1 and first power module joins; The described first pilot lamp cue circuit is made of light emitting diode D1 and D2 and resistance R 8 and R9, the positive pole of described light emitting diode D1 joins by the VCC output terminal of resistance R 8 and first power module, the pin 2 of the negative pole of described light emitting diode D1 and the described first single chip computer AT 89C51 joins, the positive pole of described light emitting diode D2 joins by the VCC output terminal of resistance R 9 and first power module, and the pin 3 of the negative pole of described light emitting diode D2 and the described first single chip computer AT 89C51 joins.
Above-mentioned a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: described relay circuit module is by relay K 1, triode Q2, resistance R 2 and the bipod connector P1 composition that is used for being connected air ejector fan, the base stage of described triode Q2 is joined by the pin 5 of resistance R 2 with the described first single chip computer AT 89C51, the VCC output terminal of the emitter of described triode Q2 and first power module joins, the pin 5 of the collector of described triode Q2 and relay K 1 joins, the pin 1 of described relay K 1 joins with the pin 1 of bipod connector P1, the pin 3 of described relay K 1 joins pin 4 ground connection of described relay K 1 with the pin 2 of bipod connector P1.
Above-mentioned a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: described wireless transmitter module mainly is made of coding chip PT2262, and described wireless receiving module mainly is made of decoding chip PT2272.
Above-mentioned a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: described second micro controller module is made up of second singlechip AT89C51, second reset circuit and second crystal oscillating circuit, the pin 31 of described second singlechip AT89C51 and pin 40 all join pin 20 ground connection of described second singlechip AT89C51 with the VCC output terminal of second source module; Described second reset circuit is made up of reset key RST2 and resistance R 11, the pin 9 of described second singlechip AT89C51 joins with the end of reset key RST2 and an end of resistance R 11, the VCC output terminal of the other end of described reset key RST2 and second source module joins, the other end ground connection of described resistance R 11; Described second crystal oscillating circuit is made of crystal oscillator Y2 and polarity free capacitor C3 and C4, the pin 18 of described second singlechip AT89C51 joins with the end of crystal oscillator Y2 and the end of polarity free capacitor C3, the pin 19 of described second singlechip AT89C51 joins the equal ground connection of the other end of the other end of described polarity free capacitor C3 and polarity free capacitor C4 with the other end of crystal oscillator Y2 and the end of polarity free capacitor C4.
Above-mentioned a kind of combustible gas leakage detection alarm safety feature, it is characterized in that: described second sound optical alarm circuit module is made up of second buzzer alarm circuit and the second pilot lamp cue circuit, described second buzzer alarm circuit is by resistance R 12, triode Q7 and hummer LS2 form, one end of described resistance R 12 and the pin 28 of described second singlechip AT89C51 join, the base stage of the other end of described resistance R 12 and triode Q7 is joined, the positive pole of the collector of described triode Q7 and hummer LS2 joins, the minus earth of described hummer LS2, the VCC output terminal of the emitter of described triode Q7 and second source module joins; The described second pilot lamp cue circuit is made of light emitting diode D3 and resistance R 13, and the pin 27 of the positive pole of described light emitting diode D3 and described second singlechip AT89C51 joins, and the negative pole of described light emitting diode D3 is by resistance R 13 ground connection.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, and is reasonable in design, and realization is convenient and cost is low.
2, of the present utility model install and use convenient, during use, only need that combustible gas leakage is detected transmitting element and be installed in suitable place, the combustible gas leakage receiving element of reporting to the police is arranged on Surveillance center or administrative center, can realize easily that just combustible gas leakage detects and reports to the police.
3, the utility model first micro controller module and second micro controller module have all adopted single chip computer AT 89C51, and its I/O port is abundant, and control is flexible, and precision is higher and stable, work real-time height, and startup is reported to the police timely and effective.
4, warning function of the present utility model is various, can either carry out onsite alarming by the first sound light alarming circuit module at the on-the-spot place of monitored environment, warning message can also be wirelessly sent to combustible gas leakage warning receiving element, more in-plant prompting user, to avoid blast, fire, poisoning etc., cause unnecessary loss.
5, of the present utility model practical, the functional reliability height, failure rate is low, is applicable to the place that prevention inflammable gass such as family, catering trade, enterprise are revealed, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and is reasonable in design, and realization is convenient and cost is low, and it is convenient to install and use, the functional reliability height, and it is timely and effective to start warning, and failure rate is low, and is practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 detects the circuit theory diagrams of transmitting element for the utility model combustible gas leakage.
Fig. 3 is the circuit theory diagrams of the utility model combustible gas leakage warning receiving element.
Description of reference numerals:
1-combustible gas leakage detects transmitting element; 1-1-first micro controller module;
1-2-first power module; 1-3-A/D change-over circuit module;
1-4-combustible gas sensor; 1-5-display circuit module;
1-6-first sound light alarming circuit module; 1-7-relay circuit module;
1-8-wireless transmitter module; 2-combustible gas leakage warning receiving element;
2-1-second micro controller module; 2-2-second source module;
2-3-wireless receiving module; Button is removed in 2-4-warning;
2-5-second sound optical alarm circuit module; 3-extraction fan.
Embodiment
As shown in Figure 1, the utility model comprises that combustible gas leakage detects transmitting element 1 and combustible gas leakage warning receiving element 2, described combustible gas leakage detects the first power module 1-2 that transmitting element 1 comprises the first micro controller module 1-1 and detects each electricity consumption module for power supply in the transmitting element 1 for combustible gas leakage, the input end of the described first micro controller module 1-1 is connected to A/D change-over circuit module 1-3, the input end of described A/D change-over circuit module 1-3 is connected to the combustible gas sensor 1-4 that detects in real time for the combustable gas concentration to detected environment, the output terminal of the described first micro controller module 1-1 is connected to for the display circuit module 1-5 that shows combustable gas concentration, and the first sound light alarming circuit module 1-6 that is used for sending the sound and light alarm signal when combustable gas concentration surpasses the combustable gas concentration threshold value, connect the relay circuit module 1-7 of extraction fan 3 current supply circuits and to the wireless transmitter module 1-8 of combustible gas leakage warning receiving element 2 wireless transmission alerting signals; Described combustible gas leakage warning receiving element 2 comprises the second micro controller module 2-1 and is the second source module 2-2 of each electricity consumption module for power supply in the combustible gas leakage warning receiving element 2, the input end of the described second micro controller module 2-1 is connected to for the wireless receiving module 2-3 of the alerting signal that receives wireless transmitter module 1-8 transmission and is used for removing the warning of reporting to the police removes button 2-4, and the output terminal of the described second micro controller module 2-1 is connected to be used to the second sound optical alarm circuit module 2-5 that sends the sound and light alarm signal.
As shown in Figure 2, in the present embodiment, the described first micro controller module 1-1 is made up of the first single chip computer AT 89C51, first reset circuit and first crystal oscillating circuit, the pin 31 of the described first single chip computer AT 89C51 and pin 40 all join pin 20 ground connection of the described first single chip computer AT 89C51 with the VCC output terminal of the first power module 1-2; Described first reset circuit is made up of reset key RST1 and resistance R 3, the pin 9 of the described first single chip computer AT 89C51 joins with the end of reset key RST1 and an end of resistance R 3, the VCC output terminal of the other end of described reset key RST1 and the first power module 1-2 joins, the other end ground connection of described resistance R 3; Described first crystal oscillating circuit is made of crystal oscillator Y1 and polarity free capacitor C1 and C2, the pin 18 of the described first single chip computer AT 89C51 joins with the end of crystal oscillator Y1 and the end of polarity free capacitor C1, the pin 19 of the described first single chip computer AT 89C51 joins the equal ground connection of the other end of the other end of described polarity free capacitor C1 and polarity free capacitor C2 with the other end of crystal oscillator Y1 and the end of polarity free capacitor C2.
As shown in Figure 2, in the present embodiment, described A/D change-over circuit module 1-3 is made of chip ADC0832, the pin 1 of described chip ADC0832 joins with the pin 16 of the described first single chip computer AT 89C51, pin 4 ground connection of described chip ADC0832, the pin 5 of described chip ADC0832 and pin 6 all join with the pin 14 of the described first single chip computer AT 89C51, the pin 7 of described chip ADC0832 joins with the pin 15 of the described first single chip computer AT 89C51, and the VCC output terminal of the pin 8 of described chip ADC0832 and the first power module 1-2 joins.Chip ADC0832 has 8 bit serial interface, and stable performance is low in energy consumption, the cost performance height.
As shown in Figure 2, in the present embodiment, described combustible gas sensor 1-4 is MQ-2 semiconductor combustible gas sensor, the pin 1 of described MQ-2 semiconductor combustible gas sensor, pin 2 and pin 3 all join with the VCC output terminal of the first power module 1-2, the pin 4 of described MQ-2 semiconductor combustible gas sensor and pin 6 all join with the pin 2 of described chip ADC0832 and an end of resistance R 10, the equal ground connection of the other end of the pin 5 of described MQ-2 semiconductor combustible gas sensor and resistance R 10.MQ-2 semiconductor combustible gas sensor has investigative range widely, and is highly sensitive, and good stability is applicable to that the combustible gas leakage of family and factory detects, and is suitable for detections such as liquefied gas, methane, propane, butane, alcohol, hydrogen and smog.
As shown in Figure 2, in the present embodiment, described display circuit module 1-5 is total to anode LED charactron by four, resistance R 4, R5, R6 and R7 and triode Q3, Q4, Q5 and Q6 form, the pin 1 of described four common anode LED charactrons joins with the pin 35 of the described first single chip computer AT 89C51, the pin 2 of described four common anode LED charactrons joins with the pin 36 of the described first single chip computer AT 89C51, the pin 3 of described four common anode LED charactrons joins with the pin 32 of the described first single chip computer AT 89C51, the pin 4 of described four common anode LED charactrons joins with the pin 37 of the described first single chip computer AT 89C51, the pin 5 of described four common anode LED charactrons joins with the pin 33 of the described first single chip computer AT 89C51, the pin 6 of described four common anode LED charactrons joins with the collector of triode Q5, the pin 7 of described four common anode LED charactrons joins with the pin 38 of the described first single chip computer AT 89C51, the pin 8 of described four common anode LED charactrons joins with the collector of triode Q6, the pin 9 of described four common anode LED charactrons joins with the collector of triode Q4, the pin 10 of described four common anode LED charactrons joins with the pin 34 of the described first single chip computer AT 89C51, the pin 11 of described four common anode LED charactrons joins with the pin 39 of the described first single chip computer AT 89C51, the pin 12 of described four common anode LED charactrons joins with the collector of triode Q3, the base stage of described triode Q3 is joined by the pin 21 of resistance R 4 with the described first single chip computer AT 89C51, the base stage of described triode Q4 is joined by the pin 22 of resistance R 5 with the described first single chip computer AT 89C51, the base stage of described triode Q5 is joined by the pin 23 of resistance R 6 with the described first single chip computer AT 89C51, the base stage of described triode Q6 is joined the emitter of described triode Q3 by the pin 24 of resistance R 7 and the described first single chip computer AT 89C51, the emitter of triode Q4, the emitter of the emitter of triode Q5 and triode Q6 all joins with the VCC output terminal of the first power module 1-2.
As shown in Figure 2, in the present embodiment, the described first sound light alarming circuit module 1-6 is made up of first buzzer alarm circuit and the first pilot lamp cue circuit, described first buzzer alarm circuit is by resistance R 1, triode Q1 and hummer LS1 form, one end of described resistance R 1 and the pin 1 of the described first single chip computer AT 89C51 join, the base stage of the other end of described resistance R 1 and triode Q1 is joined, the positive pole of the collector of described triode Q1 and hummer LS1 joins, the minus earth of described hummer LS1, the VCC output terminal of the emitter of described triode Q1 and the first power module 1-2 joins; The described first pilot lamp cue circuit is made of light emitting diode D1 and D2 and resistance R 8 and R9, the positive pole of described light emitting diode D1 joins by the VCC output terminal of resistance R 8 and the first power module 1-2, the pin 2 of the negative pole of described light emitting diode D1 and the described first single chip computer AT 89C51 joins, the positive pole of described light emitting diode D2 joins by the VCC output terminal of resistance R 9 and the first power module 1-2, and the pin 3 of the negative pole of described light emitting diode D2 and the described first single chip computer AT 89C51 joins.
As shown in Figure 2, in the present embodiment, described relay circuit module 1-7 is by relay K 1, triode Q2, resistance R 2 and the bipod connector P1 composition that is used for being connected air ejector fan, the base stage of described triode Q2 is joined by the pin 5 of resistance R 2 with the described first single chip computer AT 89C51, the VCC output terminal of the emitter of described triode Q2 and the first power module 1-2 joins, the pin 5 of the collector of described triode Q2 and relay K 1 joins, the pin 1 of described relay K 1 joins with the pin 1 of bipod connector P1, the pin 3 of described relay K 1 joins pin 4 ground connection of described relay K 1 with the pin 2 of bipod connector P1.
As shown in Figure 2, in the present embodiment, described wireless transmitter module 1-8 mainly is made of coding chip PT2262, and described wireless receiving module 2-3 mainly is made of decoding chip PT2272.Coding chip PT2262 and decoding chip PT2272 have the advantage of low-power consumption, low price.During concrete enforcement, as shown in Figure 2, be connected on the described first single chip computer AT 89C51 for the bipod connector P2 that connects wireless transmitter module 1-8, the pin 1 of described bipod connector P3 joins pin 2 ground connection of described bipod connector P3 with the pin 4 of the described first single chip computer AT 89C51; As shown in Figure 3, be connected on the described second singlechip AT89C51 for the tripod connector P3 that connects wireless receiving module 2-3, the pin 1 of described tripod connector P3 joins with the VCC output terminal of second source module 2-2, the pin 2 of described tripod connector P3 joins pin 3 ground connection of described tripod connector P3 with the pin 10 of described second singlechip AT89C51.
As shown in Figure 3, in the present embodiment, the described second micro controller module 2-1 is made up of second singlechip AT89C51, second reset circuit and second crystal oscillating circuit, the pin 31 of described second singlechip AT89C51 and pin 40 all join pin 20 ground connection of described second singlechip AT89C51 with the VCC output terminal of second source module 2-2; Described second reset circuit is made up of reset key RST2 and resistance R 11, the pin 9 of described second singlechip AT89C51 joins with the end of reset key RST2 and an end of resistance R 11, the VCC output terminal of the other end of described reset key RST2 and second source module 2-2 joins, the other end ground connection of described resistance R 11; Described second crystal oscillating circuit is made of crystal oscillator Y2 and polarity free capacitor C3 and C4, the pin 18 of described second singlechip AT89C51 joins with the end of crystal oscillator Y2 and the end of polarity free capacitor C3, the pin 19 of described second singlechip AT89C51 joins the equal ground connection of the other end of the other end of described polarity free capacitor C3 and polarity free capacitor C4 with the other end of crystal oscillator Y2 and the end of polarity free capacitor C4.
As shown in Figure 3, in the present embodiment, described second sound optical alarm circuit module 2-5 is made up of second buzzer alarm circuit and the second pilot lamp cue circuit, described second buzzer alarm circuit is by resistance R 12, triode Q7 and hummer LS2 form, one end of described resistance R 12 and the pin 28 of described second singlechip AT89C51 join, the base stage of the other end of described resistance R 12 and triode Q7 is joined, the positive pole of the collector of described triode Q7 and hummer LS2 joins, the minus earth of described hummer LS2, the VCC output terminal of the emitter of described triode Q7 and second source module 2-2 joins; The described second pilot lamp cue circuit is made of light emitting diode D3 and resistance R 13, and the pin 27 of the positive pole of described light emitting diode D3 and described second singlechip AT89C51 joins, and the negative pole of described light emitting diode D3 is by resistance R 13 ground connection.
As shown in Figure 3, when specifically implementing, described warning is removed button 2-4 and is made of button K2, and the end of described button K2 and the pin 28 of described second singlechip AT89C51 join, the other end ground connection of described button K2.
When the utility model uses, combustible gas leakage can be detected transmitting element 1 is arranged in the detected environment, the combustible gas leakage receiving element 2 of reporting to the police is arranged on Surveillance center or administrative center, combustible gas sensor 1-4 detects in real time the combustable gas concentration in the detected environment and converts detected inflammable gas to voltage signal output, after being converted to digital signal, the voltage signal that A/D change-over circuit module 1-3 exports combustible gas sensor 1-4 exports to the first micro controller module 1-1, the first micro controller module 1-1 receives the digital signal of A/D change-over circuit module 1-3 output and carries out analyzing and processing, obtain the inflammable gas real-time concentration in the detected environment and control display circuit module 1-5 showing, simultaneously, inflammable gas real-time concentration in the detected environment that the first micro controller module 1-1 also obtains its analyzing and processing and predefined combustable gas concentration threshold value compare, when the inflammable gas real-time concentration surpasses the combustable gas concentration threshold value, the first micro controller module 1-1 controls the first sound light alarming circuit module 1-6 and sends sound and light alarm signal prompting user, control relay circuit module 1-7 connects extraction fan 3 current supply circuits, extraction fan 3 beginning exhausts, simultaneously, control relay circuit module 1-7 also sends to combustible gas leakage warning receiving element 2 with alerting signal by wireless transmitter module 1-8, when the second micro controller module 2-1 in the combustible gas leakage warning receiving element 2 receives the alerting signal of combustible gas leakage detection transmitting element 1 transmission by wireless receiving module 2-3, control second sound optical alarm circuit module 2-5 sends the sound and light alarm signal and reminds the user, when the user learns warning message, removing button 2-4 cancellation by the operation warning reports to the police, second sound optical alarm circuit module 2-5 stops to report to the police, the user can arrive in the very nick of time and be detected the environment scene, carries out respective handling.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.
Claims (10)
1. combustible gas leakage detection alarm safety feature, it is characterized in that: comprise that combustible gas leakage detects transmitting element (1) and combustible gas leakage warning receiving element (2), described combustible gas leakage detects first power module (1-2) that transmitting element (1) comprises first micro controller module (1-1) and detects each electricity consumption module for power supply in the transmitting element (1) for combustible gas leakage, the input end of described first micro controller module (1-1) is connected to A/D change-over circuit module (1-3), the input end of described A/D change-over circuit module (1-3) is connected to the combustible gas sensor (1-4) that detects in real time for the combustable gas concentration to detected environment, the output terminal of described first micro controller module (1-1) is connected to for the display circuit module (1-5) that shows combustable gas concentration, and the first sound light alarming circuit module (1-6) that is used for sending the sound and light alarm signal when combustable gas concentration surpasses the combustable gas concentration threshold value, connect the relay circuit module (1-7) of extraction fan (3) current supply circuit and to the wireless transmitter module (1-8) of combustible gas leakage warning receiving element (2) wireless transmission alerting signal; Described combustible gas leakage warning receiving element (2) comprises second micro controller module (2-1) and is the second source module (2-2) of each electricity consumption module for power supply in the combustible gas leakage warning receiving element (2), the input end of described second micro controller module (2-1) is connected to for the wireless receiving module (2-3) of the alerting signal that receives wireless transmitter module (1-8) transmission and is used for removing the warning of reporting to the police removes button (2-4), and the output terminal of described second micro controller module (2-1) is connected to be used to the second sound optical alarm circuit module (2-5) of sending the sound and light alarm signal.
2. according to the described a kind of combustible gas leakage detection alarm safety feature of claim 1, it is characterized in that: described first micro controller module (1-1) is made up of the first single chip computer AT 89C51, first reset circuit and first crystal oscillating circuit, the pin 31 of the described first single chip computer AT 89C51 and pin 40 all join pin 20 ground connection of the described first single chip computer AT 89C51 with the VCC output terminal of first power module (1-2); Described first reset circuit is made up of reset key RST1 and resistance R 3, the pin 9 of the described first single chip computer AT 89C51 joins with the end of reset key RST1 and an end of resistance R 3, the VCC output terminal of the other end of described reset key RST1 and first power module (1-2) joins, the other end ground connection of described resistance R 3; Described first crystal oscillating circuit is made of crystal oscillator Y1 and polarity free capacitor C1 and C2, the pin 18 of the described first single chip computer AT 89C51 joins with the end of crystal oscillator Y1 and the end of polarity free capacitor C1, the pin 19 of the described first single chip computer AT 89C51 joins the equal ground connection of the other end of the other end of described polarity free capacitor C1 and polarity free capacitor C2 with the other end of crystal oscillator Y1 and the end of polarity free capacitor C2.
3. according to the described a kind of combustible gas leakage detection alarm safety feature of claim 2, it is characterized in that: described A/D change-over circuit module (1-3) is made of chip ADC0832, the pin 1 of described chip ADC0832 joins with the pin 16 of the described first single chip computer AT 89C51, pin 4 ground connection of described chip ADC0832, the pin 5 of described chip ADC0832 and pin 6 all join with the pin 14 of the described first single chip computer AT 89C51, the pin 7 of described chip ADC0832 joins with the pin 15 of the described first single chip computer AT 89C51, and the VCC output terminal of the pin 8 of described chip ADC0832 and first power module (1-2) joins.
4. according to the described a kind of combustible gas leakage detection alarm safety feature of claim 3, it is characterized in that: described combustible gas sensor (1-4) is MQ-2 semiconductor combustible gas sensor, the pin 1 of described MQ-2 semiconductor combustible gas sensor, pin 2 and pin 3 all join with the VCC output terminal of first power module (1-2), the pin 4 of described MQ-2 semiconductor combustible gas sensor and pin 6 all join with the pin 2 of described chip ADC0832 and an end of resistance R 10, the equal ground connection of the other end of the pin 5 of described MQ-2 semiconductor combustible gas sensor and resistance R 10.
5. according to the described a kind of combustible gas leakage detection alarm safety feature of claim 2, it is characterized in that: described display circuit module (1-5) is total to anode LED charactron by four, resistance R 4, R5, R6 and R7 and triode Q3, Q4, Q5 and Q6 form, the pin 1 of described four common anode LED charactrons joins with the pin 35 of the described first single chip computer AT 89C51, the pin 2 of described four common anode LED charactrons joins with the pin 36 of the described first single chip computer AT 89C51, the pin 3 of described four common anode LED charactrons joins with the pin 32 of the described first single chip computer AT 89C51, the pin 4 of described four common anode LED charactrons joins with the pin 37 of the described first single chip computer AT 89C51, the pin 5 of described four common anode LED charactrons joins with the pin 33 of the described first single chip computer AT 89C51, the pin 6 of described four common anode LED charactrons joins with the collector of triode Q5, the pin 7 of described four common anode LED charactrons joins with the pin 38 of the described first single chip computer AT 89C51, the pin 8 of described four common anode LED charactrons joins with the collector of triode Q6, the pin 9 of described four common anode LED charactrons joins with the collector of triode Q4, the pin 10 of described four common anode LED charactrons joins with the pin 34 of the described first single chip computer AT 89C51, the pin 11 of described four common anode LED charactrons joins with the pin 39 of the described first single chip computer AT 89C51, the pin 12 of described four common anode LED charactrons joins with the collector of triode Q3, the base stage of described triode Q3 is joined by the pin 21 of resistance R 4 with the described first single chip computer AT 89C51, the base stage of described triode Q4 is joined by the pin 22 of resistance R 5 with the described first single chip computer AT 89C51, the base stage of described triode Q5 is joined by the pin 23 of resistance R 6 with the described first single chip computer AT 89C51, the base stage of described triode Q6 is joined the emitter of described triode Q3 by the pin 24 of resistance R 7 and the described first single chip computer AT 89C51, the emitter of triode Q4, the emitter of the emitter of triode Q5 and triode Q6 all joins with the VCC output terminal of first power module (1-2).
6. according to the described a kind of combustible gas leakage detection alarm safety feature of claim 2, it is characterized in that: the described first sound light alarming circuit module (1-6) is made up of first buzzer alarm circuit and the first pilot lamp cue circuit, described first buzzer alarm circuit is by resistance R 1, triode Q1 and hummer LS1 form, one end of described resistance R 1 and the pin 1 of the described first single chip computer AT 89C51 join, the base stage of the other end of described resistance R 1 and triode Q1 is joined, the positive pole of the collector of described triode Q1 and hummer LS1 joins, the minus earth of described hummer LS1, the VCC output terminal of the emitter of described triode Q1 and first power module (1-2) joins; The described first pilot lamp cue circuit is made of light emitting diode D1 and D2 and resistance R 8 and R9, the positive pole of described light emitting diode D1 joins by the VCC output terminal of resistance R 8 and first power module (1-2), the pin 2 of the negative pole of described light emitting diode D1 and the described first single chip computer AT 89C51 joins, the positive pole of described light emitting diode D2 joins by the VCC output terminal of resistance R 9 and first power module (1-2), and the pin 3 of the negative pole of described light emitting diode D2 and the described first single chip computer AT 89C51 joins.
7. according to the described a kind of combustible gas leakage detection alarm safety feature of claim 2, it is characterized in that: described relay circuit module (1-7) is by relay K 1, triode Q2, resistance R 2 and the bipod connector P1 composition that is used for being connected air ejector fan, the base stage of described triode Q2 is joined by the pin 5 of resistance R 2 with the described first single chip computer AT 89C51, the VCC output terminal of the emitter of described triode Q2 and first power module (1-2) joins, the pin 5 of the collector of described triode Q2 and relay K 1 joins, the pin 1 of described relay K 1 joins with the pin 1 of bipod connector P1, the pin 3 of described relay K 1 joins pin 4 ground connection of described relay K 1 with the pin 2 of bipod connector P1.
8. according to the described a kind of combustible gas leakage detection alarm safety feature of claim 1, it is characterized in that: described wireless transmitter module (1-8) mainly is made of coding chip PT2262, and described wireless receiving module (2-3) mainly is made of decoding chip PT2272.
9. according to the described a kind of combustible gas leakage detection alarm safety feature of claim 1, it is characterized in that: described second micro controller module (2-1) is made up of second singlechip AT89C51, second reset circuit and second crystal oscillating circuit, the pin 31 of described second singlechip AT89C51 and pin 40 all join pin 20 ground connection of described second singlechip AT89C51 with the VCC output terminal of second source module (2-2); Described second reset circuit is made up of reset key RST2 and resistance R 11, the pin 9 of described second singlechip AT89C51 joins with the end of reset key RST2 and an end of resistance R 11, the VCC output terminal of the other end of described reset key RST2 and second source module (2-2) joins, the other end ground connection of described resistance R 11; Described second crystal oscillating circuit is made of crystal oscillator Y2 and polarity free capacitor C3 and C4, the pin 18 of described second singlechip AT89C51 joins with the end of crystal oscillator Y2 and the end of polarity free capacitor C3, the pin 19 of described second singlechip AT89C51 joins the equal ground connection of the other end of the other end of described polarity free capacitor C3 and polarity free capacitor C4 with the other end of crystal oscillator Y2 and the end of polarity free capacitor C4.
10. according to the described a kind of combustible gas leakage detection alarm safety feature of claim 9, it is characterized in that: described second sound optical alarm circuit module (2-5) is made up of second buzzer alarm circuit and the second pilot lamp cue circuit, described second buzzer alarm circuit is by resistance R 12, triode Q7 and hummer LS2 form, one end of described resistance R 12 and the pin 28 of described second singlechip AT89C51 join, the base stage of the other end of described resistance R 12 and triode Q7 is joined, the positive pole of the collector of described triode Q7 and hummer LS2 joins, the minus earth of described hummer LS2, the VCC output terminal of the emitter of described triode Q7 and second source module (2-2) joins; The described second pilot lamp cue circuit is made of light emitting diode D3 and resistance R 13, and the pin 27 of the positive pole of described light emitting diode D3 and described second singlechip AT89C51 joins, and the negative pole of described light emitting diode D3 is by resistance R 13 ground connection.
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| CN 201320205938 CN203179238U (en) | 2013-04-22 | 2013-04-22 | Detection and alarm safety device for flammable gas leakage |
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| CN 201320205938 CN203179238U (en) | 2013-04-22 | 2013-04-22 | Detection and alarm safety device for flammable gas leakage |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167081A (en) * | 2014-06-25 | 2014-11-26 | 李丹 | Harmful gas alarm device |
| CN104535729A (en) * | 2014-12-23 | 2015-04-22 | 温岭市太平高级职业中学 | Portable antibiotic detection pocket |
| CN105354993A (en) * | 2015-11-30 | 2016-02-24 | 苏州赛宝校准技术服务有限公司 | Alarm system suitable for detecting hazardous gas |
| CN107246894A (en) * | 2017-06-01 | 2017-10-13 | 郑州云海信息技术有限公司 | A kind of environmental monitoring system and method |
| CN108181217A (en) * | 2018-01-17 | 2018-06-19 | 攀枝花学院 | Detection of Air Quality circuit |
| CN109240175A (en) * | 2018-11-01 | 2019-01-18 | 佛山市顺德区新迅电子科技有限公司 | A kind of single chip microcomputer driving circuit |
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2013
- 2013-04-22 CN CN 201320205938 patent/CN203179238U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167081A (en) * | 2014-06-25 | 2014-11-26 | 李丹 | Harmful gas alarm device |
| CN104535729A (en) * | 2014-12-23 | 2015-04-22 | 温岭市太平高级职业中学 | Portable antibiotic detection pocket |
| CN105354993A (en) * | 2015-11-30 | 2016-02-24 | 苏州赛宝校准技术服务有限公司 | Alarm system suitable for detecting hazardous gas |
| CN107246894A (en) * | 2017-06-01 | 2017-10-13 | 郑州云海信息技术有限公司 | A kind of environmental monitoring system and method |
| CN108181217A (en) * | 2018-01-17 | 2018-06-19 | 攀枝花学院 | Detection of Air Quality circuit |
| CN109240175A (en) * | 2018-11-01 | 2019-01-18 | 佛山市顺德区新迅电子科技有限公司 | A kind of single chip microcomputer driving circuit |
| CN109240175B (en) * | 2018-11-01 | 2023-10-13 | 佛山市顺德区新迅电子科技有限公司 | Singlechip drive circuit |
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