CN204189279U - Based on the gas leak testing and alarm device of low-power consumption bluetooth - Google Patents
Based on the gas leak testing and alarm device of low-power consumption bluetooth Download PDFInfo
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- CN204189279U CN204189279U CN201420596366.5U CN201420596366U CN204189279U CN 204189279 U CN204189279 U CN 204189279U CN 201420596366 U CN201420596366 U CN 201420596366U CN 204189279 U CN204189279 U CN 204189279U
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Abstract
The utility model discloses a kind of gas leak testing and alarm device based on low-power consumption bluetooth, comprise with the main computer unit of gas leak testing circuit plate and the appendent computer system with coal gas leakage alarming circuit board, gas leak testing circuit plate comprises host power supply module, main frame charge management module, gas sampling module and main frame low-power consumption bluetooth module, and the output terminal of gas sampling module is connected with main frame low-power consumption bluetooth module; Coal gas leakage alarming circuit board comprises from electromechanical source module, from machine charge management module, from machine low-power consumption bluetooth module, driving circuit and alarm module, is connected successively from machine low-power consumption bluetooth module, driving circuit with alarm module.Whether the utility model can leak by real-time high-precision detection coal gas, and judges the leakage order of severity, and ensure coal gas use safety to greatest extent, power consumption is very low, is applicable to the occasion of the needs such as family, chafing dish restaurant, restaurant frequent use coal gas.
Description
Technical field
The utility model relates to gas leak testing and alarm technology, is specifically related to a kind of gas leak testing and alarm device based on low-power consumption bluetooth.
Background technology
Along with the development of the technology of Smart Home, Intelligent hardware, there is a lot of gas leakage alarm.According to time of occurrence, two classes can be divided into: fixed alarm and Intelligent warning device.Fixed alarm is usually arranged on the kitchen of user or coal gas and gives vent to anger place, and inner integrated high-decibel hummer, when detecting that coal gas is abnormal, sends loud chimes of doom.This alarm is popular, also practical, and its shortcoming is that volume is comparatively large, and the inadequate hommization of type of alarm, during as occurred to report to the police at night, easily causing personnel panic, producing riot.And large volume is not easily installed, especially in large-scale catering place, as this in chafing dish restaurant often open hot pot table under have the occasion of gas pipe or gas-jar.This alarm also needs to regularly replace battery, uses and comparatively bothers.When Intelligent warning device comes across Intelligent hardware rise, usually in indoor multipoint, detecting device is installed, detecting device by low-power consumption bluetooth and mobile communication, mobile phone is installed mobile phone application software (APP), and APP can the coal gas detection case of real-time reception arrival self-detector.This structure is applicable to the situation of user at surveyed area, and as can real time inspection when user is in, have no way of learning once leave this, if utilize remote transmission mode (as GPRS), then cost be higher.On the other hand, can be completely not universal with the mobile phone of low-power consumption Bluetooth pairing, for Android system mobile phone, usually require that it is configured to bluetooth 4.0, the version of Android system 4.3.Smart mobile phone version during the current overwhelming majority uses is also between Android 2.0 ~ Android 4.0.Meanwhile, part population, does not also have smart mobile phone with the elderly needing to be in for a long time, and unskilled to operating handset yet.
Utility model content
Whether the technical problems to be solved in the utility model is to provide one and can leaks by real-time high-precision detection coal gas, and the leakage order of severity is judged, ensure coal gas use safety to greatest extent, power consumption is very low, is applicable to the gas leak testing and alarm device based on low-power consumption bluetooth that the needs such as family, chafing dish restaurant, restaurant frequently use the occasion of coal gas.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of gas leak testing and alarm device based on low-power consumption bluetooth, comprise with the main computer unit of gas leak testing circuit plate and the appendent computer system with coal gas leakage alarming circuit board, described gas leak testing circuit plate comprises host power supply module, main frame charge management module, gas sampling module and main frame low-power consumption bluetooth module, described host power supply module is connected with main frame charge management module, gas sampling module, main frame low-power consumption bluetooth module respectively, and the output terminal of described gas sampling module is connected with main frame low-power consumption bluetooth module; Described coal gas leakage alarming circuit board comprises from electromechanical source module, from machine charge management module, from machine low-power consumption bluetooth module, driving circuit and alarm module, described from electromechanical source module respectively with from machine charge management module, be connected from machine low-power consumption bluetooth module, driving circuit, alarm module, described main frame low-power consumption bluetooth module is connected by bluetooth with from machine low-power consumption bluetooth module, is describedly connected successively from machine low-power consumption bluetooth module, driving circuit with alarm module.
Described main computer unit comprises colloidal silica in the form of a ring, and described gas leak testing circuit plate is flexible PCB, and described gas leak testing circuit plate is packaged in the inside of described colloidal silica.
Described appendent computer system comprises colloidal silica in the form of a ring, and described coal gas leakage alarming circuit board is flexible PCB, and described coal gas leakage alarming circuit board package is in the inside of described colloidal silica.
Described host power supply module comprises power conversion chip U1_1 and U1_2, lithium battery BAT1, button PB1, resistance R1_1 ~ R1_11, electric capacity C1_1 ~ C1_5, triode Q1_1, Q1_2, TVS pipe T1_1, inductance L 1_1 ~ L1_2, the positive pole of lithium battery BAT1 passes through the negative electrode of button PB1 and TVS pipe T1_1, one end of electric capacity C1_1, 11 pin and 13 pin of power conversion chip U1_1 are connected, the anode of TVS pipe T1_1 and the other end of electric capacity C1_1, one end of electric capacity C1_2, the negative pole of lithium battery BAT1, 15 pin of power conversion chip U1_1 are connected, the other end of electric capacity C1_2 is connected with 9 pin of power conversion chip U1_1, 1 pin of power conversion chip U1_1 is connected by 7 pin of inductance L 1_1 and power conversion chip U1_1 and 14 pin, 14 pin of power conversion chip U1_1 are also connected by 7 pin of resistance R1_1 power conversion chip U1_1, and be connected with 5 pin of power conversion chip U1_1 and one end of resistance R1_3 by resistance R1_2, the other end of resistance R1_3 is connected with the negative pole of lithium battery BAT1, and is connected with 14 pin of power conversion chip U1_1 by electric capacity C1_3, and 14 pin of power conversion chip U1_1 export 2V voltage, the emitter of triode Q1_1 is connected with 11 pin of power conversion chip U1_1, and is connected with the base stage of triode Q1_1, one end of resistance R1_5 by resistance R1_4, and the other end of resistance R1_5 is connected with main frame low-power consumption bluetooth module, the collector of triode Q1_1 is connected with 5 pin of power conversion chip U1_2, 2 pin of power conversion chip U1_2 are connected with 4 pin of power conversion chip U1_2 by inductance L 1_2, be connected with 9 pin of power conversion chip U1_2 by electric capacity C1_4 after 6,7,8 pin of power conversion chip U1_2 are connected, and be connected to the negative pole of lithium battery BAT1, 1 pin of power conversion chip U1_2 exports 5V voltage, and is connected with 10 pin of power conversion chip U1_2 and one end of resistance R1_7 by resistance R1_6, the other end of resistance R1_7 is connected to the negative pole of lithium battery BAT1 after being connected with 3 pin of power conversion chip U1_2, and is connected with 1 pin of power conversion chip U1_2 by electric capacity C1_5, the base stage of triode Q1_2 is connected with main frame low-power consumption bluetooth module by resistance R1_8, collector is connected with 11 pin of power conversion chip U1_1 by resistance R1_9, emitter is connected with resistance R1_11 by resistance R1_10, and the other end of resistance R1_11 is connected to the negative pole of lithium battery BAT1, resistance R1_10 is connected with main frame low-power consumption bluetooth module with the common port of resistance R1_11.
Described main frame charge management module comprises resistance R2_1 ~ R2_3, micro USB interface J2_1, diode D2_1, electric capacity C2_1 ~ C2_4, charging management chip U2_1, LED 2_1; The positive source input end VBUS of micro USB interface J2_1 is connected with the anode of diode D2_1, and 1 pin of the negative electrode of diode D2_1 and one end of the positive pole of electric capacity C2_1, resistance R2_1, one end of electric capacity C2_2 and charging management chip U2_1 is connected; The negative pole of electric capacity C2_1 is connected with the extreme GND of the power-of micro USB interface J2_1, and is connected to the negative pole of lithium battery BAT1; The other end of electric capacity C2_2 is connected with 2 pin of charging management chip U2_1, and is connected to the negative pole of lithium battery BAT1; The other end of resistance R2_1 is connected with 4 pin of the anode of LED 2_1, charging management chip U2_1; The negative electrode of LED 2_1 is connected with 3 pin of charging management chip U2_1; 4 pin of charging management chip U2_1 are connected to the negative pole of lithium battery BAT1 by electric capacity C2_3; 5 pin of charging management chip U2_1 are connected with the positive pole of lithium battery BAT1, and are connected to the negative pole of BAT1 by electric capacity C2_4, are connected by resistance R2_2 with one end of resistance R2_3 simultaneously, and the other end of resistance R2_3 is connected to the negative pole of lithium battery BAT1; Resistance R2_2 is connected with main frame low-power consumption bluetooth module with the common port of resistance R2_3.
Described gas sampling module comprises resistance R3_1 ~ R3_5, triode Q3_1 and Q3_2, semiconductor gas sensor U3_1, operational amplifier U3_2; The emitter of triode Q3_1 is connected with one end of resistance R3_2, the base stage of triode Q3_1 by resistance R3_1, and is connected with 14 pin of power conversion chip U1_1 in host power supply module; The other end of resistance R3_2 is connected with main frame low-power consumption bluetooth module; The collector of triode Q3_1 is connected with 1 pin of semiconductor gas sensor U3_1,3 pin; The emitter of triode Q3_2 is connected with one end of resistance R3_4, the base stage of triode Q3_2 by resistance R3_3, and is connected with 1 pin of power conversion chip U1_2 in host power supply module; The other end of resistance R3_4 is connected with main frame low-power consumption bluetooth module; The collector of triode Q3_2 is connected with 2 pin of semiconductor gas sensor U3_1; After 4 pin of semiconductor gas sensor U3_1 are connected with 6 pin, be connected with the positive input of operational amplifier U3_2, and be connected with 5 pin of semiconductor gas sensor U3_1 by resistance R3_5,5 pin of semiconductor gas sensor U3_1 are connected to the negative pole of lithium battery BAT1; After the negative input of operational amplifier U3_2 is connected with the output terminal of operational amplifier U3_2, then be connected with main frame low-power consumption bluetooth module.
Described main frame low-power consumption bluetooth module comprises Bluetooth chip U4_1, inductance L 4_1 ~ L4_7, electric capacity C4_1 ~ C4_12, crystal oscillator X4_1, antenna A4_1, one end of inductance L 4_1, L4_2 is connected with 14 pin of power management chip U1_1 in host power supply module respectively, the other end of inductance L 4_1 is connected with 1 pin of Bluetooth chip U4_1,12 pin, and 1 pin, 12 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 respectively by electric capacity C4_3, electric capacity C4_2, the other end of inductance L 4_2 is connected with one end of 35 pin of Bluetooth chip U4-1,36 pin and inductance L 4_3,35 pin of Bluetooth chip U4-1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_7, and one end of inductance L 4_3 is connected with the negative pole of lithium battery BAT1 by electric capacity C4_1, the other end of inductance L 4_3 is connected with 2 pin of Bluetooth chip U4_1 by inductance L 4_4, 37 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by inductance C4_6, and are connected with 38 pin of Bluetooth chip U4_1 by crystal oscillator X4_1, and 38 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_5, 39 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_4, 29 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_9, 33,34 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1, 32 pin of Bluetooth chip U4_1 are connected with one end of electric capacity C4_8, one end of inductance L 4_5, and one end of inductance L 4_5 is connected with one end of electric capacity C4_10 by inductance L 4_6, and the other end of electric capacity C4_10 is connected with the negative pole of lithium battery BAT1, inductance L 4_5 is connected with 31 pin of Bluetooth chip U4_1 with the common port of inductance L 4_6, and inductance L 4_6 is connected with 30 pin of Bluetooth chip U4_1 with the common port of electric capacity C4_10, the other end of electric capacity C4_8 is connected with one end of electric capacity C4_11, and is connected with one end of antenna A4_1 and electric capacity C4_12 by inductance L 4_7, the other end of electric capacity C4_11 is connected with the negative pole of lithium battery BAT1 with the other end of electric capacity C4_12, 4 pin of Bluetooth chip U4_1 are connected with the common port of resistance R1_11 with resistance R1_10 respectively, 5 pin of Bluetooth chip U4_1 are connected with the common port of resistance R2_3 with resistance R2_2, 6 pin of Bluetooth chip U4_1 and the negative input of operational amplifier U3_2, the output terminal of operational amplifier U3_2 is connected, 45 pin of Bluetooth chip U4_1 are connected with the other end of resistance R1_5, 46 pin of Bluetooth chip U4_1 are connected with the base stage of triode Q1_2 by resistance R1_8, 47 pin of Bluetooth chip U4_1 are connected with the other end of resistance R3_2, 48 pin of Bluetooth chip U4_1 are connected with the other end of resistance R3_4.
Described alarm module comprises multiple four single color LED LED5_1 ~ LED5_4, a Tricolor LED LED5_2 and Miniature DC vibration electric machine M5_1, and the output terminal of described driving circuit is connected with single color LED LED5_1 ~ LED5_4, Tricolor LED LED5_2 and Miniature DC vibration electric machine M5_1 respectively.
Described from electromechanical source module be lithium battery BAT2, described from machine charge management module be charging management chip U5_2, described from machine low-power consumption bluetooth module be Bluetooth chip U5_1, described driving circuit is the second amplifying circuit of triode Q5_1, Q5_2 composition, and described coal gas leakage alarming circuit board also comprises button PB2, resistance R5_1 ~ R5_13, inductance L 5_1 ~ L5_7, electric capacity C5_1 ~ C5_16, micro USB interface J5_1, diode D5-1, Tricolor LED LED5_2 is red, green, orange three-color LED, whether single color LED LED5_1 is used to indicate power supply and opens, single color LED LED5_4 is used to indicate and whether charges whether single color LED LED5_3 to be used to indicate electricity normal carrying out USB, Tricolor LED LED5_2 is used to indicate the order of severity of leakage, during No leakage, three-color LED is not luminous, after receive the warning from main computer unit from machine, green is shown respectively according to gas leak degree from light to heavy, orange, red, meanwhile the frequency of micro DC machine vibration M5_1 is also by accelerating slowly, button PB2 is for opening and closing bracelet, the emitting red light pin R of Tricolor LED LED5_2 is connected with 14 pin of Bluetooth chip U5_1 by resistance R5_5, the green emitting pin G of Tricolor LED LED5_2 is connected with 15 pin of Bluetooth chip U5_1 by resistance R5_6, and the common port C of Tricolor LED LED5_2 is connected with the negative pole of lithium battery BAT2, the positive pole of Miniature DC vibration electric machine M5_1 is connected with the collector of triode Q5_1 by resistance R5_9, the base stage of triode Q5_1 is connected with 25 pin of Bluetooth chip U5_1 by resistance R5_8, and be connected with triode Q5_1 emitter by resistance R5_7, the emitter of triode Q5_1 is connected with the positive pole of lithium battery BAT2 by button PB2.
The utility model has following advantage based on the gas leak testing and alarm device of low-power consumption bluetooth:
1, be connected by low-power consumption bluetooth between main computer unit 1 of the present utility model and appendent computer system 2, each main computer unit can communicate with 4 ~ 5 appendent computer systems, main computer unit detects hydrogen in artificial coal gas or carbon monoxide in real time, when finding gas leak, by low-power consumption Bluetooth transmission to appendent computer system, appendent computer system is by vibrating alert wearer, and leak the order of severity by alarm module instruction, be applicable to family, chafing dish restaurant, restaurants etc. need the frequent occasion using coal gas, for safe handling coal gas escorts, ensure coal gas use safety to greatest extent.
2, be connected by low-power consumption bluetooth between main computer unit 1 of the present utility model and appendent computer system 2, power consumption is very low, can Long-Time Service.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the framed structure schematic diagram of the utility model embodiment.
Fig. 2 is the matching structure schematic diagram of main computer unit and appendent computer system in the utility model embodiment.
Fig. 3 is the electrical block diagram of host power supply module in the utility model embodiment.
Fig. 4 is the electrical block diagram of main frame charge management module in the utility model embodiment.
Fig. 5 is the electrical block diagram of gas sampling module in the utility model embodiment.
Fig. 6 is the electrical block diagram of main frame low-power consumption bluetooth module in the utility model embodiment.
Fig. 7 is the electrical block diagram of coal gas leakage alarming circuit board in the utility model embodiment.
Marginal data: 1, main computer unit; 11, host power supply module; 12, main frame charge management module; 13, gas sampling module; 14, main frame low-power consumption bluetooth module; 2, appendent computer system; 21, from electromechanical source module; 22, from machine charge management module; 23, from machine low-power consumption bluetooth module; 24, driving circuit; 25, alarm module.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
As shown in Figure 1, the present embodiment comprises the main computer unit 1 with gas leak testing circuit plate and the appendent computer system 2 with coal gas leakage alarming circuit board based on the gas leak testing and alarm device of low-power consumption bluetooth, gas leak testing circuit plate comprises host power supply module 11, main frame charge management module 12, gas sampling module 13 and main frame low-power consumption bluetooth module 14, host power supply module 11 respectively with main frame charge management module 12, gas sampling module 13, main frame low-power consumption bluetooth module 14 is connected, the output terminal of gas sampling module 13 is connected with main frame low-power consumption bluetooth module 14, coal gas leakage alarming circuit board comprises from electromechanical source module 21, from machine charge management module 22, from machine low-power consumption bluetooth module 23, driving circuit 24 and alarm module 25, from electromechanical source module 21 respectively with from machine charge management module 22, be connected from machine low-power consumption bluetooth module 23, driving circuit 24, alarm module 25, main frame low-power consumption bluetooth module 14 is connected by bluetooth with from machine low-power consumption bluetooth module 23, is connected successively from machine low-power consumption bluetooth module 23, driving circuit 24 with alarm module 25.
As shown in Figure 2, main computer unit 1 comprises colloidal silica in the form of a ring, and gas leak testing circuit plate is flexible PCB, and gas leak testing circuit plate is packaged in the inside of colloidal silica; Appendent computer system 2 comprises colloidal silica in the form of a ring, and coal gas leakage alarming circuit board is flexible PCB, and coal gas leakage alarming circuit board package is in the inside of colloidal silica.Colloidal silica in the form of a ring can be worn in wrist for human body as bracelet, carries and uses more convenient; The alarm terminal of wristband type universal serial, can remind wearer in the moment, such as specific user crowd by selecting a sound, the friendly type of alarm of light, oscillatory type, not easily generate a panic and frighten, being particularly applicable to the elderly and using and use at night.
As shown in Figure 3, host power supply module 11 comprises power conversion chip U1_1 and U1_2, lithium battery BAT1, button PB1, resistance R1_1 ~ R1_11, electric capacity C1_1 ~ C1_5, triode Q1_1, Q1_2, TVS pipe T1_1, inductance L 1_1 ~ L1_2, the positive pole of lithium battery BAT1 passes through the negative electrode of button PB1 and TVS pipe T1_1, one end of electric capacity C1_1, 11 pin and 13 pin of power conversion chip U1_1 are connected, the anode of TVS pipe T1_1 and the other end of electric capacity C1_1, one end of electric capacity C1_2, the negative pole of lithium battery BAT1, 15 pin of power conversion chip U1_1 are connected, the other end of electric capacity C1_2 is connected with 9 pin of power conversion chip U1_1, 1 pin of power conversion chip U1_1 is connected by 7 pin of inductance L 1_1 and power conversion chip U1_1 and 14 pin, 14 pin of power conversion chip U1_1 are also connected by 7 pin of resistance R1_1 power conversion chip U1_1, and be connected with 5 pin of power conversion chip U1_1 and one end of resistance R1_3 by resistance R1_2, the other end of resistance R1_3 is connected with the negative pole of lithium battery BAT1, and is connected with 14 pin of power conversion chip U1_1 by electric capacity C1_3, and 14 pin of power conversion chip U1_1 export 2V voltage, the emitter of triode Q1_1 is connected with 11 pin of power conversion chip U1_1, and is connected with the base stage of triode Q1_1, one end of resistance R1_5 by resistance R1_4, and the other end of resistance R1_5 is connected with main frame low-power consumption bluetooth module 14, the collector of triode Q1_1 is connected with 5 pin of power conversion chip U1_2, 2 pin of power conversion chip U1_2 are connected with 4 pin of power conversion chip U1_2 by inductance L 1_2, be connected with 9 pin of power conversion chip U1_2 by electric capacity C1_4 after 6,7,8 pin of power conversion chip U1_2 are connected, and be connected to the negative pole of lithium battery BAT1, 1 pin of power conversion chip U1_2 exports 5V voltage, and is connected with 10 pin of power conversion chip U1_2 and one end of resistance R1_7 by resistance R1_6, the other end of resistance R1_7 is connected to the negative pole of lithium battery BAT1 after being connected with 3 pin of power conversion chip U1_2, and is connected with 1 pin of power conversion chip U1_2 by electric capacity C1_5, the base stage of triode Q1_2 is connected with main frame low-power consumption bluetooth module 14 by resistance R1_8, collector is connected with 11 pin of power conversion chip U1_1 by resistance R1_9, emitter is connected with resistance R1_11 by resistance R1_10, and the other end of resistance R1_11 is connected to the negative pole of lithium battery BAT1, resistance R1_10 is connected with main frame low-power consumption bluetooth module 14 with the common port of resistance R1_11.In the present embodiment, power conversion chip U1_1 and U1_2 is TPS62150 and TPS63031 power conversion chip respectively.
As shown in Figure 4, main frame charge management module 12 comprises resistance R2_1 ~ R2_3, micro USB interface J2_1, diode D2_1, electric capacity C2_1 ~ C2_4, charging management chip U2_1, LED 2_1; The positive source input end VBUS of micro USB interface J2_1 is connected with the anode of diode D2_1, and 1 pin of the negative electrode of diode D2_1 and one end of the positive pole of electric capacity C2_1, resistance R2_1, one end of electric capacity C2_2 and charging management chip U2_1 is connected; The negative pole of electric capacity C2_1 is connected with the extreme GND of the power-of micro USB interface J2_1, and is connected to the negative pole of lithium battery BAT1; The other end of electric capacity C2_2 is connected with 2 pin of charging management chip U2_1, and is connected to the negative pole of lithium battery BAT1; The other end of resistance R2_1 is connected with 4 pin of the anode of LED 2_1, charging management chip U2_1; The negative electrode of LED 2_1 is connected with 3 pin of charging management chip U2_1; 4 pin of charging management chip U2_1 are connected to the negative pole of lithium battery BAT1 by electric capacity C2_3; 5 pin of charging management chip U2_1 are connected with the positive pole of lithium battery BAT1, and are connected to the negative pole of BAT1 by electric capacity C2_4, are connected by resistance R2_2 with one end of resistance R2_3 simultaneously, and the other end of resistance R2_3 is connected to the negative pole of lithium battery BAT1; Resistance R2_2 is connected with main frame low-power consumption bluetooth module 14 with the common port of resistance R2_3.The micro USB charge power supply that existing mobile phone can be utilized conventional by micro USB interface J2_1 is charged to lithium battery BAT1, and the power consumption of main computer unit 1 is extremely low, can serviceable life of significant increase lithium battery BAT1.In the present embodiment, charging management chip U2_1 is MAX1551 charging management chip.
As shown in Figure 5, gas sampling module 13 comprises resistance R3_1 ~ R3_5, triode Q3_1 and Q3_2, semiconductor gas sensor U3_1, operational amplifier U3_2; The emitter of triode Q3_1 is connected with one end of resistance R3_2, the base stage of triode Q3_1 by resistance R3_1, and is connected with 14 pin of power conversion chip U1_1 in host power supply module 11; The other end of resistance R3_2 is connected with main frame low-power consumption bluetooth module 14; The collector of triode Q3_1 is connected with 1 pin of semiconductor gas sensor U3_1,3 pin; The emitter of triode Q3_2 is connected with one end of resistance R3_4, the base stage of triode Q3_2 by resistance R3_3, and is connected with 1 pin of power conversion chip U1_2 in host power supply module 11; The other end of resistance R3_4 is connected with main frame low-power consumption bluetooth module 14; The collector of triode Q3_2 is connected with 2 pin of semiconductor gas sensor U3_1; After 4 pin of semiconductor gas sensor U3_1 are connected with 6 pin, be connected with the positive input of operational amplifier U3_2, and be connected with 5 pin of semiconductor gas sensor U3_1 by resistance R3_5,5 pin of semiconductor gas sensor U3_1 are connected to the negative pole of lithium battery BAT1; After the negative input of operational amplifier U3_2 is connected with the output terminal of operational amplifier U3_2, then be connected with main frame low-power consumption bluetooth module 14.In the present embodiment, semiconductor gas sensor U3_1 is TGS822TF semiconductor gas sensor, also can adopt other semiconductor gas sensors as required in addition.
As shown in Figure 6, main frame low-power consumption bluetooth module 14 comprises Bluetooth chip U4_1, inductance L 4_1 ~ L4_7, electric capacity C4_1 ~ C4_12, crystal oscillator X4_1, antenna A4_1, one end of inductance L 4_1, L4_2 is connected with 14 pin of power management chip U1_1 in host power supply module 11 respectively, the other end of inductance L 4_1 is connected with 1 pin of Bluetooth chip U4_1,12 pin, and 1 pin, 12 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 respectively by electric capacity C4_3, electric capacity C4_2, the other end of inductance L 4_2 is connected with one end of 35 pin of Bluetooth chip U4-1,36 pin and inductance L 4_3,35 pin of Bluetooth chip U4-1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_7, and one end of inductance L 4_3 is connected with the negative pole of lithium battery BAT1 by electric capacity C4_1, the other end of inductance L 4_3 is connected with 2 pin of Bluetooth chip U4_1 by inductance L 4_4, 37 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by inductance C4_6, and are connected with 38 pin of Bluetooth chip U4_1 by crystal oscillator X4_1, and 38 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_5, 39 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_4, 29 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_9, 33,34 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1, 32 pin of Bluetooth chip U4_1 are connected with one end of electric capacity C4_8, one end of inductance L 4_5, and one end of inductance L 4_5 is connected with one end of electric capacity C4_10 by inductance L 4_6, and the other end of electric capacity C4_10 is connected with the negative pole of lithium battery BAT1, inductance L 4_5 is connected with 31 pin of Bluetooth chip U4_1 with the common port of inductance L 4_6, and inductance L 4_6 is connected with 30 pin of Bluetooth chip U4_1 with the common port of electric capacity C4_10, the other end of electric capacity C4_8 is connected with one end of electric capacity C4_11, and is connected with one end of antenna A4_1 and electric capacity C4_12 by inductance L 4_7, the other end of electric capacity C4_11 is connected with the negative pole of lithium battery BAT1 with the other end of electric capacity C4_12, 4 pin of Bluetooth chip U4_1 are connected with the common port of resistance R1_11 with resistance R1_10 respectively, 5 pin of Bluetooth chip U4_1 are connected with the common port of resistance R2_3 with resistance R2_2, 6 pin of Bluetooth chip U4_1 and the negative input of operational amplifier U3_2, the output terminal of operational amplifier U3_2 is connected, 45 pin of Bluetooth chip U4_1 are connected with the other end of resistance R1_5, 46 pin of Bluetooth chip U4_1 are connected with the base stage of triode Q1_2 by resistance R1_8, 47 pin of Bluetooth chip U4_1 are connected with the other end of resistance R3_2, 48 pin of Bluetooth chip U4_1 are connected with the other end of resistance R3_4.In the present embodiment, Bluetooth chip U4_1 is nRF51822 low-power consumption Bluetooth chip.
As shown in Figure 7, alarm module 25 comprises multiple four single color LED LED5_1 ~ LED5_4, a Tricolor LED LED5_2 and Miniature DC vibration electric machine M5_1, and the output terminal of driving circuit 24 is connected with single color LED LED5_1 ~ LED5_4, Tricolor LED LED5_2 and Miniature DC vibration electric machine M5_1 respectively.In the present embodiment, be lithium battery BAT2 from electromechanical source module 21, being charging management chip U5_2 from machine charge management module 22, is Bluetooth chip U5_1 from machine low-power consumption bluetooth module 23, and driving circuit 24 is the second amplifying circuit of triode Q5_1, Q5_2 composition, coal gas leakage alarming circuit board also comprises button PB2, resistance R5_1 ~ R5_13, inductance L 5_1 ~ L5_7, electric capacity C5_1 ~ C5_16, micro USB interface J5_1, diode D5-1, Tricolor LED LED5_2 is red, green, orange three-color LED, whether single color LED LED5_1 is used to indicate power supply and opens, single color LED LED5_4 is used to indicate and whether charges whether single color LED LED5_3 to be used to indicate electricity normal carrying out USB, Tricolor LED LED5_2 is used to indicate the order of severity of leakage, during No leakage, three-color LED is not luminous, after receive the warning from main computer unit 1 from machine, green is shown respectively according to gas leak degree from light to heavy, orange, red, meanwhile the frequency of micro DC machine vibration M5_1 is also by accelerating slowly, button PB2 is for opening and closing bracelet, the emitting red light pin R of Tricolor LED LED5_2 is connected with 14 pin of Bluetooth chip U5_1 by resistance R5_5, the green emitting pin G of Tricolor LED LED5_2 is connected with 15 pin of Bluetooth chip U5_1 by resistance R5_6, and the common port C of Tricolor LED LED5_2 is connected with the negative pole of lithium battery BAT2, the positive pole of Miniature DC vibration electric machine M5_1 is connected with the collector of triode Q5_1 by resistance R5_9, the base stage of triode Q5_1 is connected with 25 pin of Bluetooth chip U5_1 by resistance R5_8, and be connected with triode Q5_1 emitter by resistance R5_7, the emitter of triode Q5_1 is connected with the positive pole of lithium battery BAT2 by button PB2.
In the present embodiment, in an application example, Bluetooth chip U5_1 is nRF51822 Bluetooth chip, and charging management chip U5_2 is MAX1551 charging management chip, conveniently can realize the charging to lithium battery BAT2 by charging management chip U5_2, micro USB interface J5_1.
The course of work of the present embodiment is as follows: the power management chip U1_1 in main computer unit 1 realizes the voltage (being generally 3.6 ~ 4.2V) of lithium battery BAT1 to be depressured to 2V, the chip that power management chip U1_1 uses has very high conversion efficiency, thus the saving loss of power, this voltage is for other each circuit in main computer unit 1; Power management chip U1_2 realizes by the boost in voltage of lithium battery BAT1 to 5V, for the micro-heater of heating semiconductor gas sensor U3_1 inside, for gas detect.Resistance R1_10 and R1_11 for gathering cell voltage, and is input to Bluetooth chip U4_1, realizes the Real-Time Monitoring to cell voltage.Micro USB charge management circuit based on charging management chip U2_1 realizes the Charge Management to lithium battery, and this chip can detect battery charging voltage automatically, prevents from overcharging.Gas sampling module 13 gathers the concentration of hydrogen or carbon monoxide in coal gas mainly through high-precision semiconductor gas sensor U3_1, judge whether gas leak, operational amplifier U3_1 realizes the voltage follow to sampling resistor R3_5, prevents sampling precision impaired.The control of main frame low-power consumption bluetooth module 14 in real time to other circuit in main computer unit 1, and realize the Bluetooth communication with appendent computer system 2.Immediately abnormal information (gas leak, the leakage order of severity) is sent to appendent computer system 2 when exception being detected; Appendent computer system 2 is made bracelet and is worn on human body wrist, and appendent computer system 2 receives alerting signal, and according to the leakage order of severity, Tricolor LED LED5_2 starts luminescence, and Miniature DC vibration electric machine M5_1 starts vibration simultaneously, thus reminds wearer.Main computer unit 1 can communicate with 4 ~ 5 appendent computer systems 2 simultaneously, warning message can be sent to 4 ~ 5 from machine wearer simultaneously.According to Bluetooth communication rule, the effective communication distance of main computer unit 1 and appendent computer system 2 is no more than 50 meters.Therefore can normally use at home environment and eating and drinking establishment.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme belonging to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvements and modifications of carrying out under the prerequisite not departing from principle of the present utility model, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. the gas leak testing and alarm device based on low-power consumption bluetooth, it is characterized in that: comprise the main computer unit (1) with gas leak testing circuit plate and the appendent computer system (2) with coal gas leakage alarming circuit board, described gas leak testing circuit plate comprises host power supply module (11), main frame charge management module (12), gas sampling module (13) and main frame low-power consumption bluetooth module (14), described host power supply module (11) respectively with main frame charge management module (12), gas sampling module (13), main frame low-power consumption bluetooth module (14) is connected, the output terminal of described gas sampling module (13) is connected with main frame low-power consumption bluetooth module (14), described coal gas leakage alarming circuit board comprises from electromechanical source module (21), from machine charge management module (22), from machine low-power consumption bluetooth module (23), driving circuit (24) and alarm module (25), described from electromechanical source module (21) respectively with from machine charge management module (22), from machine low-power consumption bluetooth module (23), driving circuit (24), alarm module (25) is connected, described main frame low-power consumption bluetooth module (14) is connected by bluetooth with from machine low-power consumption bluetooth module (23), described from machine low-power consumption bluetooth module (23), driving circuit (24) is connected successively with alarm module (25).
2. the gas leak testing and alarm device based on low-power consumption bluetooth according to claim 1, it is characterized in that: described main computer unit (1) comprises colloidal silica in the form of a ring, described gas leak testing circuit plate is flexible PCB, and described gas leak testing circuit plate is packaged in the inside of described colloidal silica.
3. the gas leak testing and alarm device based on low-power consumption bluetooth according to claim 2, it is characterized in that: described appendent computer system (2) comprises colloidal silica in the form of a ring, described coal gas leakage alarming circuit board is flexible PCB, and described coal gas leakage alarming circuit board package is in the inside of described colloidal silica.
4. the gas leak testing and alarm device based on low-power consumption bluetooth according to claim 3, it is characterized in that: described host power supply module (11) comprises power conversion chip U1_1 and U1_2, lithium battery BAT1, button PB1, resistance R1_1 ~ R1_11, electric capacity C1_1 ~ C1_5, triode Q1_1, Q1_2, TVS pipe T1_1, inductance L 1_1 ~ L1_2, the positive pole of lithium battery BAT1 passes through the negative electrode of button PB1 and TVS pipe T1_1, one end of electric capacity C1_1, 11 pin and 13 pin of power conversion chip U1_1 are connected, the anode of TVS pipe T1_1 and the other end of electric capacity C1_1, one end of electric capacity C1_2, the negative pole of lithium battery BAT1, 15 pin of power conversion chip U1_1 are connected, the other end of electric capacity C1_2 is connected with 9 pin of power conversion chip U1_1, 1 pin of power conversion chip U1_1 is connected by 7 pin of inductance L 1_1 and power conversion chip U1_1 and 14 pin, 14 pin of power conversion chip U1_1 are also connected by 7 pin of resistance R1_1 power conversion chip U1_1, and be connected with 5 pin of power conversion chip U1_1 and one end of resistance R1_3 by resistance R1_2, the other end of resistance R1_3 is connected with the negative pole of lithium battery BAT1, and is connected with 14 pin of power conversion chip U1_1 by electric capacity C1_3, and 14 pin of power conversion chip U1_1 export 2V voltage, the emitter of triode Q1_1 is connected with 11 pin of power conversion chip U1_1, and be connected with the base stage of triode Q1_1, one end of resistance R1_5 by resistance R1_4, the other end of resistance R1_5 is connected with main frame low-power consumption bluetooth module (14), the collector of triode Q1_1 is connected with 5 pin of power conversion chip U1_2, 2 pin of power conversion chip U1_2 are connected with 4 pin of power conversion chip U1_2 by inductance L 1_2, be connected with 9 pin of power conversion chip U1_2 by electric capacity C1_4 after 6,7,8 pin of power conversion chip U1_2 are connected, and be connected to the negative pole of lithium battery BAT1, 1 pin of power conversion chip U1_2 exports 5V voltage, and is connected with 10 pin of power conversion chip U1_2 and one end of resistance R1_7 by resistance R1_6, the other end of resistance R1_7 is connected to the negative pole of lithium battery BAT1 after being connected with 3 pin of power conversion chip U1_2, and is connected with 1 pin of power conversion chip U1_2 by electric capacity C1_5, the base stage of triode Q1_2 is by resistance R1_8 is connected with main frame low-power consumption bluetooth module (14), collector is connected with 11 pin of power conversion chip U1_1 by resistance R1_9, emitter is connected with resistance R1_11 by resistance R1_10, and the other end of resistance R1_11 is connected to the negative pole of lithium battery BAT1, resistance R1_10 is connected with main frame low-power consumption bluetooth module (14) with the common port of resistance R1_11.
5. the gas leak testing and alarm device based on low-power consumption bluetooth according to claim 4, it is characterized in that: described main frame charge management module (12) comprises resistance R2_1 ~ R2_3, micro USB interface J2_1, diode D2_1, electric capacity C2_1 ~ C2_4, charging management chip U2_1, LED 2_1; The positive source input end VBUS of micro USB interface J2_1 is connected with the anode of diode D2_1, and 1 pin of the negative electrode of diode D2_1 and one end of the positive pole of electric capacity C2_1, resistance R2_1, one end of electric capacity C2_2 and charging management chip U2_1 is connected; The negative pole of electric capacity C2_1 is connected with the extreme GND of the power-of micro USB interface J2_1, and is connected to the negative pole of lithium battery BAT1; The other end of electric capacity C2_2 is connected with 2 pin of charging management chip U2_1, and is connected to the negative pole of lithium battery BAT1; The other end of resistance R2_1 is connected with 4 pin of the anode of LED 2_1, charging management chip U2_1; The negative electrode of LED 2_1 is connected with 3 pin of charging management chip U2_1; 4 pin of charging management chip U2_1 are connected to the negative pole of lithium battery BAT1 by electric capacity C2_3; 5 pin of charging management chip U2_1 are connected with the positive pole of lithium battery BAT1, and are connected to the negative pole of BAT1 by electric capacity C2_4, are connected by resistance R2_2 with one end of resistance R2_3 simultaneously, and the other end of resistance R2_3 is connected to the negative pole of lithium battery BAT1; Resistance R2_2 is connected with main frame low-power consumption bluetooth module (14) with the common port of resistance R2_3.
6. the gas leak testing and alarm device based on low-power consumption bluetooth according to claim 5, it is characterized in that: described gas sampling module (13) comprises resistance R3_1 ~ R3_5, triode Q3_1 and Q3_2, semiconductor gas sensor U3_1, operational amplifier U3_2; The emitter of triode Q3_1 is connected with one end of resistance R3_2, the base stage of triode Q3_1 by resistance R3_1, and is connected with 14 pin of power conversion chip U1_1 in host power supply module (11); The other end of resistance R3_2 is connected with main frame low-power consumption bluetooth module (14); The collector of triode Q3_1 is connected with 1 pin of semiconductor gas sensor U3_1,3 pin; The emitter of triode Q3_2 is connected with one end of resistance R3_4, the base stage of triode Q3_2 by resistance R3_3, and is connected with 1 pin of power conversion chip U1_2 in host power supply module (11); The other end of resistance R3_4 is connected with main frame low-power consumption bluetooth module (14); The collector of triode Q3_2 is connected with 2 pin of semiconductor gas sensor U3_1; After 4 pin of semiconductor gas sensor U3_1 are connected with 6 pin, be connected with the positive input of operational amplifier U3_2, and be connected with 5 pin of semiconductor gas sensor U3_1 by resistance R3_5,5 pin of semiconductor gas sensor U3_1 are connected to the negative pole of lithium battery BAT1; After the negative input of operational amplifier U3_2 is connected with the output terminal of operational amplifier U3_2, then be connected with main frame low-power consumption bluetooth module (14).
7. the gas leak testing and alarm device based on low-power consumption bluetooth according to claim 6, it is characterized in that: described main frame low-power consumption bluetooth module (14) comprises Bluetooth chip U4_1, inductance L 4_1 ~ L4_7, electric capacity C4_1 ~ C4_12, crystal oscillator X4_1, antenna A4_1, one end of inductance L 4_1, L4_2 is connected with 14 pin of power management chip U1_1 in host power supply module (11) respectively, the other end of inductance L 4_1 is connected with 1 pin of Bluetooth chip U4_1,12 pin, and 1 pin, 12 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 respectively by electric capacity C4_3, electric capacity C4_2, the other end of inductance L 4_2 is connected with one end of 35 pin of Bluetooth chip U4-1,36 pin and inductance L 4_3,35 pin of Bluetooth chip U4-1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_7, and one end of inductance L 4_3 is connected with the negative pole of lithium battery BAT1 by electric capacity C4_1, the other end of inductance L 4_3 is connected with 2 pin of Bluetooth chip U4_1 by inductance L 4_4, 37 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by inductance C4_6, and are connected with 38 pin of Bluetooth chip U4_1 by crystal oscillator X4_1, and 38 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_5, 39 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_4, 29 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1 by electric capacity C4_9, 33,34 pin of Bluetooth chip U4_1 are connected with the negative pole of lithium battery BAT1, 32 pin of Bluetooth chip U4_1 are connected with one end of electric capacity C4_8, one end of inductance L 4_5, and one end of inductance L 4_5 is connected with one end of electric capacity C4_10 by inductance L 4_6, and the other end of electric capacity C4_10 is connected with the negative pole of lithium battery BAT1, inductance L 4_5 is connected with 31 pin of Bluetooth chip U4_1 with the common port of inductance L 4_6, and inductance L 4_6 is connected with 30 pin of Bluetooth chip U4_1 with the common port of electric capacity C4_10, the other end of electric capacity C4_8 is connected with one end of electric capacity C4_11, and is connected with one end of antenna A4_1 and electric capacity C4_12 by inductance L 4_7, the other end of electric capacity C4_11 is connected with the negative pole of lithium battery BAT1 with the other end of electric capacity C4_12, 4 pin of Bluetooth chip U4_1 are connected with the common port of resistance R1_11 with resistance R1_10 respectively, 5 pin of Bluetooth chip U4_1 are connected with the common port of resistance R2_3 with resistance R2_2, 6 pin of Bluetooth chip U4_1 and the negative input of operational amplifier U3_2, the output terminal of operational amplifier U3_2 is connected, 45 pin of Bluetooth chip U4_1 are connected with the other end of resistance R1_5, 46 pin of Bluetooth chip U4_1 are connected with the base stage of triode Q1_2 by resistance R1_8, 47 pin of Bluetooth chip U4_1 are connected with the other end of resistance R3_2, 48 pin of Bluetooth chip U4_1 are connected with the other end of resistance R3_4.
8. according to the gas leak testing and alarm device based on low-power consumption bluetooth in claim 1 ~ 7 described in any one, it is characterized in that: described alarm module (25) comprises multiple four single color LED LED5_1 ~ LED5_4, a Tricolor LED LED5_2 and Miniature DC vibration electric machine M5_1, and the output terminal of described driving circuit (24) is connected with single color LED LED5_1 ~ LED5_4, Tricolor LED LED5_2 and Miniature DC vibration electric machine M5_1 respectively.
9. the gas leak testing and alarm device based on low-power consumption bluetooth according to claim 8, it is characterized in that: described from electromechanical source module (21) be lithium battery BAT2, described from machine charge management module (22) be charging management chip U5_2, described from machine low-power consumption bluetooth module (23) be Bluetooth chip U5_1, described driving circuit (24) is triode Q5_1, the second amplifying circuit of Q5_2 composition, described coal gas leakage alarming circuit board also comprises button PB2, resistance R5_1 ~ R5_13, inductance L 5_1 ~ L5_7, electric capacity C5_1 ~ C5_16, micro USB interface J5_1, diode D5-1, Tricolor LED LED5_2 is red, green, orange three-color LED, whether single color LED LED5_1 is used to indicate power supply and opens, single color LED LED5_4 is used to indicate and whether charges whether single color LED LED5_3 to be used to indicate electricity normal carrying out USB, Tricolor LED LED5_2 is used to indicate the order of severity of leakage, during No leakage, three-color LED is not luminous, after receive the warning from main computer unit (1) from machine, green is shown respectively according to gas leak degree from light to heavy, orange, red, meanwhile the frequency of micro DC machine vibration M5_1 is also by accelerating slowly, button PB2 is for opening and closing bracelet, the emitting red light pin R of Tricolor LED LED5_2 is connected with 14 pin of Bluetooth chip U5_1 by resistance R5_5, the green emitting pin G of Tricolor LED LED5_2 is connected with 15 pin of Bluetooth chip U5_1 by resistance R5_6, and the common port C of Tricolor LED LED5_2 is connected with the negative pole of lithium battery BAT2, the positive pole of Miniature DC vibration electric machine M5_1 is connected with the collector of triode Q5_1 by resistance R5_9, the base stage of triode Q5_1 is connected with 25 pin of Bluetooth chip U5_1 by resistance R5_8, and be connected with triode Q5_1 emitter by resistance R5_7, the emitter of triode Q5_1 is connected with the positive pole of lithium battery BAT2 by button PB2.
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| CN104376696A (en) * | 2014-10-15 | 2015-02-25 | 安徽芯核防务装备技术股份有限公司 | Gas leakage detecting and alarming device based on low power consumption Bluetooth |
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