Co alarm for super capacitance type generator
View Patent ↗The present invention discloses a CO alarm for a super capacitance type generator, comprising a MCU control unit U 1 , a communication unit U 2 , a voltage reference unit U 3 , a system power supply unit U 4 , an alarm indication unit U 5 , an engine operation detection unit U 6 , a CO sensor detection unit U 7 , a super-capacitor charging unit U 8 , a temperature detection unit U 9 , and a flameout control unit U 10 . The MCU control unit U 1 is configured to analyze and process the signal of the entire alarm and control the corresponding actions, and includes a single-chip microcomputer IC 1 and a capacitor C 1 . The capacitor C 1 is a filter capacitor, which filters the power supply voltage of the single-chip microcomputer IC 1.
1. A CO alarm for a super capacitance type generator, comprising:
a MCU control unit (U 1 ), configured to analyze and process the signal of the entire alarm, and control the corresponding actions;
a communication unit (U 2 ), configured to send and receive information with an external carrier;
a system power supply unit (U 4 ), configured to provide the working power required by the MCU control unit (U 1 );
an alarm indication unit (U 5 ), configured to give an alarm prompt for the CO concentration and an alarm failure prompt;
an engine operation detection unit (U 6 ), configured to collect the working status of the generator;
a CO sensor detection unit (U 7 ), configured to convert the CO concentration in the environment into a corresponding electrical signal, and output to the MCU control unit (U 1 ) for processing;
a super-capacitor charging unit (U 8 ) that is connected to the system power supply unit (U 4 ), configured to provide the required power supply to the MCU control unit (U 1 ) by a super-capacitor when the system power supply unit stops supplying power;
a temperature detection unit (U 9 ), configured to collect the ambient temperature to compensate for the change of the sensor detection unit (U 7 ) caused by change of temperature;
a flameout control unit (U 10 ), configured to shut down the generator when the alarm fails or the CO concentration alarms;
a voltage reference unit (U 3 ), configured to provide a reference voltage for the MCU control unit (U 1 ) and provide a forward bias for a sensor detection unit (U 8 );
wherein, the CO sensor detection unit (U 7 ) comprises a sensor (J 1 ), a CO sensor anti-polarization circuit, a sensor self-checking circuit, a potentiostat circuit, an operational amplifier circuit, a first capacitor (C 17 ), a first resistor (R 9 ), a second capacitor (C 7 ), and a third capacitor (C 11 ).
2. The CO alarm for a super capacitance type generator according to claim 1 , wherein the super-capacitor charging unit (U 8 ) comprises a rectifier bridge (D 5 ), a second resistor (R 17 ), a fourth capacitor (C 3 ), a fifth capacitor (C 21 ), a super-capacitor (C 9 ), a third resistor (R 18 ), a first diode (D 6 ), a first transistor (Q 2 ), a fourth resistor (R 32 ) and a second diode (D 3 ).
3. The CO alarm for a super capacitance type generator according to claim 1 , wherein the potentiostat circuit comprises a fifth resistor (R 20 ), a sixth resistor (R 16 ), a seventh resistor (R 22 ), a sixth capacitor (C 8 ), a seventh capacitor (C 16 ) and a first chip (IC 3 . 1 ).
4. The CO alarm for a super capacitance type generator according to claim 1 , wherein the sensor (J 1 ) is a tripolar electrochemical sensor.
5. The CO alarm for a super capacitance type generator according to claim 1 , wherein the communication unit (U 2 ) comprises an eighth resistor (R 6 ), a ninth resistor (R 24 ), a MOS transistor (Q 4 ), a tenth resistor (R 31 ) and an eighth capacitor (C 4 ).
6. The CO alarm for a super capacitance type generator according to claim 1 , wherein the MCU control unit (U 1 ) comprises a single-chip microcomputer (IC 1 ) and a ninth capacitor (C 1 ).
7. The CO alarm for a super capacitance type generator according to claim 1 , wherein the flameout control unit (U 10 ) comprises an eleventh resistor (R 3 ), a photocoupler (IC 2 ), a twelfth resistor (R 4 ) and a second transistor (Q 3 ).
8. The CO alarm for a super capacitance type generator according to claim 1 , wherein the temperature detection unit (U 9 ) comprises a second chip (IC 4 ), a tenth capacitor (C 18 ), a thirteenth resistor (R 26 ) and an eleventh capacitor (C 18 ).
9. The CO alarm for a super capacitance type generator according to claim 1 , wherein the voltage reference unit (U 3 ) comprises a third chip (IC 5 ), a fourteenth resistor (R 19 ), a twelfth capacitor (C 14 ), a fifteenth resistor (R 21 ), a sixteenth resistor (R 23 ), a thirteenth capacitor (C 10 ) and a fourteenth capacitor (C 12 ).
10. The CO alarm for a super capacitance type generator according to claim 1 , wherein the alarm indication unit (U 5 ) comprises a first lamp (LED 4 ), a second lamp (LED 3 ), a seventeenth resistor (R 1 ) and an eighteenth resistor (R 2 ).