CN105488937A - Voltage-stabilizing forest infrared fire prevention system based on self-control power circuit - Google Patents
Voltage-stabilizing forest infrared fire prevention system based on self-control power circuit Download PDFInfo
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- 230000003321 amplification Effects 0.000 claims description 22
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 22
- 230000033228 biological regulation Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 239000002131 composite material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 231100000517 death Toxicity 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/005—Fire alarms; Alarms responsive to explosion for forest fires, e.g. detecting fires spread over a large or outdoors area
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
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Abstract
The invention discloses a voltage-stabilizing forest infrared fire prevention system based on a self-control power circuit. The voltage-stabilizing forest infrared fire prevention system comprises a power supply, the self-control power circuit, an infrared sensor, a signal transmitter and a remote receiver, wherein the self-control power circuit and the infrared sensor are connected with the power supply; the power supply input end of the signal transmitter is connected with the self-control power circuit, and the signal input end thereof is connected with the infrared sensor; and the remote receiver is connected with the signal transmitter through a wireless network. The power supply is a storage battery provided with a solar panel; the self-control power circuit is connected with the infrared sensor; the self-control power circuit is formed by a single-transistor amplifier circuit and the like; and a voltage-stabilizing is arranged between the storage battery and the self-control power circuit. According to the voltage-stabilizing forest infrared fire prevention system based on the self-control power circuit, power consumption of the system is reduced, ineffective information transmitting amount can be reduced very well, and utilization rate of system resources is improved.
Description
Technical field
The invention belongs to field of forest fire prevention, specifically refer to a kind of infrared fire prevention system of type voltage regulation forest controlling power circuit based on oneself effectively can saving power consumption.
Background technology
Forest fire is a kind of disaster of sudden strong, destructive large, relief difficulty.Between 38 years of nineteen fifty to 1987 year, the whole nation is average annual there are forest fire 15838 times, occurrence index is 13.9 times/100,000 hectares, average annual burned areas is about 940,000 hectares, damage done by forest fires rate average out to 8.5%, 8 times of the world's average level same period, national forest fire average annual injures and deaths 800 people.Relevant expert calculates, and this, timber 9.55 billion cubic meter was burnt in whole nation altogether in period.Be worth 150 yuan of calculating by every the price of rice, national direct economic loss Da Gaoda 1,433 hundred million yuan, account for 56.5% of national all kinds of fire total losses.How to carry out forest fire protection work, namely effectively prevent and Forest Fires, guarantee people life property safety or a hang-up, can only accomplish now early to find early to put out a fire to save life and property, the loss as far as possible forest fire caused drops to minimum.But forest fire situation is very severe, in the time of past last 100 years, global warning 0.5 to 0.8 DEG C, especially in nearest 50 years, ascensional range is larger.In 10 to 15 years futures of scholarly forecast, the amplitude that temperature on average rises will be larger.Along with situations such as the rising of forest zone temperature, the increase of forest zone combustible, burning things which may cause a fire disaster difficult management, the danger of forest fire is increased further.
In the face of so severe forest fire protection present situation, require that people use more advanced technology and management method, take most effective measures, as far as possible the generation of forest fire and spreading is controlled to greatest extent.Recent years, the forest fire protection technology based on infrared thermal imaging starts the visual field entering people.This method can avoid the impacts such as night visibility is low, bad environments, has good application prospect at forest fire protection neighborhood.But existing infrared fire prevention system all has some defects, and such as continuous drain amount is higher, power supply is caused to be changed frequent; Lay network comparatively huge, cause that the reception data volume of information receiving end is excessive and the information of 99% is invalid information, greatly occupy efficient system resource etc.
Summary of the invention
The object of the invention is to overcome the problems referred to above, there is provided a kind of based on the infrared fire prevention system of type voltage regulation forest from control power circuit, reduce the power consumption of system, well can also reduce the traffic volume of invalid information simultaneously, and then improve the utilization factor of system resource.
Object of the present invention is achieved through the following technical solutions:
Based on the infrared fire prevention system of type voltage regulation forest from control power circuit, comprise power supply, what be connected with power supply respectively controls power circuit and infrared sensor certainly, power input with from controlling the sender unit that power circuit is connected, signal input part is connected with infrared sensor, and the remote receiver be connected by wireless network with this sender unit; Described power supply is the accumulator being provided with solar panels; The described power circuit that certainly controls also is connected with infrared sensor, and should from controlling power circuit by single-valve amplification circuit, the secondary amplification circuit be connected with single-valve amplification circuit, the filtering circuit be connected with secondary amplification circuit, the signal trigger circuit be connected with filtering circuit, and the power control circuit be connected with signal trigger circuit forms; At accumulator and from controlling also to be provided with mu balanced circuit between power circuit.
Described single-valve amplification circuit is by triode VT1, the electric capacity C1 that minus earth, positive pole are connected with the base stage of triode VT1 after electric capacity C2, and the resistance R1 that one end is connected with the collector of triode VT1, the other end is connected with the base stage of triode VT1 after slide rheostat RP1 forms; The grounded emitter of described triode VT1, the tie point of resistance R1 and slide rheostat RP1 connects+5V power supply, and positive pole and the negative pole of electric capacity C1 form from controlling the signal input part of power circuit and being connected with infrared sensor.
Described secondary amplification circuit is by operational amplifier P1, the electric capacity C3 that positive pole is connected with the collector of triode VT1, negative pole is connected with the negative input end of operational amplifier P1, the resistance R2 that one end ground connection, the other end are connected with the positive input terminal of operational amplifier P1, the electric capacity C4 that positive pole is connected with the positive input terminal of operational amplifier P1, negative pole is connected with the output terminal of operational amplifier P1, and form with the resistance R3 that electric capacity C4 is arranged in parallel.
Filtering circuit is by minus earth, positive pole in turn through the electric capacity C5 that resistance R6 is connected with the output terminal of operational amplifier P1 after resistance R4, and the electric capacity C6 that minus earth, positive pole are connected with the positive pole of electric capacity C5 after resistance R5 through resistance R7 in turn forms.
Described signal trigger circuit are by triode VT2, triode VT3, time-base integrated circuit IC1, one end is connected with pin 8 with the pin 4 of time-base integrated circuit IC1 simultaneously, the other end is connected with the pin one of time-base integrated circuit IC1 after resistance R8, the slide rheostat RP2 that sliding end is connected with the base stage of triode VT2, one end is connected with the collector of triode VT3, the resistance R9 that the other end is connected with the pin 8 of time-base integrated circuit IC1, one end is connected with the emitter of triode VT3, the resistance R10 that the other end is connected with the pin one of time-base integrated circuit IC1, positive pole is connected with the pin 5 of time-base integrated circuit IC1, the electric capacity C7 that negative pole is connected with the pin one of time-base integrated circuit IC1, and P pole is connected with the pin 3 of time-base integrated circuit IC1, the diode D1 that N pole is connected with the negative pole of electric capacity C7 forms, wherein, the emitter of triode VT2 is connected with the base stage of triode VT3, and the collector of triode VT2 is connected with pin 6 with the pin two of time-base integrated circuit IC1 simultaneously, and the pin 8 of time-base integrated circuit IC1 is connected with the tie point of resistance R7 with resistance R5.
Described power control circuit is by triode VT4, triode VT5, the resistance R11 that one end is connected with the emitter of triode VT4, the other end is connected with the emitter of triode VT5, the diode D2 that P pole is connected with the collector of triode VT5, N pole is connected with the pin 4 of time-base integrated circuit IC1, and form with the relay K that diode D2 is arranged in parallel; Wherein, the base stage of triode VT4 is connected with the P pole of diode D1, the emitter of triode VT5 is connected with the N pole of diode D1, the N pole of diode D2 and the emitter of triode VT5 form from controlling the input end of power circuit and being connected with the output terminal of mu balanced circuit, and the N pole of diode D2 forms with the emitter of triode VT5 from controlling the output terminal of power circuit and being connected with the power input of sender unit after the normally opened contact K-1 of relay K.
Described mu balanced circuit is by triode VT6, triode VT7, triode VT8, positive pole is connected with the collector of triode VT7 with the collector of triode VT6 simultaneously, the electric capacity C8 that negative pole is connected with the base stage of triode VT7 after resistance R13, the resistance R12 be arranged in parallel with electric capacity C8, positive pole is connected with the negative pole of electric capacity C9, the electric capacity C9 that negative pole is connected with the emitter of triode VT7 with the base stage of triode VT6 after resistance R14 simultaneously, positive pole is connected with the positive pole of electric capacity C9, the electric capacity C10 that negative pole is connected with the negative pole of electric capacity C9, positive pole is connected with the base stage of triode VT7, the electric capacity C11 that negative pole is connected with the negative pole of electric capacity C10, one end is connected with the base stage of triode VT7, the resistance R16 that the other end is connected with the collector of triode VT8, one end is connected with the emitter of triode VT6, the resistance R15 that the other end is connected with the emitter of triode VT8, N pole is connected with the emitter of triode VT8, the voltage stabilizing diode D3 that P pole is connected with the negative pole of electric capacity C11, positive pole is connected with the emitter of triode VT6, the electric capacity C12 that negative pole is connected with the base stage of triode VT8, and one end is connected with the positive pole of electric capacity C12, the other end is connected with the P pole of voltage stabilizing diode D3, the slide rheostat RP3 that sliding end is connected with the base stage of triode VT8 forms, wherein, positive pole and the negative pole of electric capacity C9 of electric capacity C8 form the input end of this circuit and are connected with the output terminal of accumulator, and the positive pole of electric capacity C12 and the P pole of voltage stabilizing diode D3 form the output terminal of this circuit.
As preferably, the model of described operational amplifier P1 is LM324, and the model of time-base integrated circuit IC1 is NE555.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention can open and close power supply to sender unit automatically according to infrared signal, when not having infrared signal, sender unit does not run, product only needs consumption and a small amount of electricity to support sensor and the operation certainly controlling power circuit, just powering to sender unit from control power circuit after sensor captures infrared signal makes it information of infrared sensor gained be transmitted, so just well can save the electricity that equipment consumes, can be good at the transmission capacity reducing invalid information simultaneously.
(2) the present invention is provided with from controlling power circuit, the power supply of control signal transmitter can be carried out according to the signal of infrared sensor, substantially increase the intelligent of product, it is made can demand to be had to be just run in use, save power consumption unnecessary in a large number, greatly reduce the invalid information that remote receiver arrives.
(3) the present invention is provided with mu balanced circuit; by voltage stabilization in the process can powered to oneself control power circuit at accumulator; the normal operation from controlling power circuit is affected when avoiding voltage fluctuation fluctuation; ensure the use accuracy of product; simultaneously also can better element in protection circuit, further increase the serviceable life of product.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is the circuit diagram from controlling power circuit of the present invention.
Fig. 3 is the circuit diagram of mu balanced circuit of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, based on the infrared fire prevention system of type voltage regulation forest from control power circuit, comprise power supply, what be connected with power supply respectively controls power circuit and infrared sensor certainly, power input with from controlling the sender unit that power circuit is connected, signal input part is connected with infrared sensor, and the remote receiver be connected by wireless network with this sender unit; Described power supply is the accumulator being provided with solar panels; The described power circuit that certainly controls also is connected with infrared sensor, and should from controlling power circuit by single-valve amplification circuit, the secondary amplification circuit be connected with single-valve amplification circuit, the filtering circuit be connected with secondary amplification circuit, the signal trigger circuit be connected with filtering circuit, and the power control circuit be connected with signal trigger circuit forms; At accumulator and from controlling also to be provided with mu balanced circuit between power circuit.
During work, infrared sensor continues to catch infrared signal, does not power from controlling power circuit when it does not capture infrared signal to sender unit; After infrared sensor captures infrared signal, then send signal to from controlling power circuit, then sender unit is powered upon receipt of the signals from control power circuit, sender unit obtain electric after just the infrared signal of infrared sensor is thought that remote receiver sends, so just well can use the present invention.
As shown in Figure 2, single-valve amplification circuit is by triode VT1, and electric capacity C1, electric capacity C2, resistance R1, slide rheostat RP1 form.
During connection, minus earth, the positive pole of electric capacity C1 are connected with the base stage of triode VT1 after electric capacity C2, and one end of resistance R1 is connected with the collector of triode VT1, the other end is connected with the base stage of triode VT1 after slide rheostat RP1; The grounded emitter of described triode VT1, the tie point of resistance R1 and slide rheostat RP1 connects+5V power supply, and positive pole and the negative pole of electric capacity C1 form from controlling the signal input part of power circuit and being connected with infrared sensor.
Secondary amplification circuit is by operational amplifier P1, and electric capacity C3, electric capacity C4, resistance R2, resistance R3 form.
During connection, the positive pole of electric capacity C3 is connected with the collector of triode VT1, negative pole is connected with the negative input end of operational amplifier P1, one end ground connection, the other end of resistance R2 are connected with the positive input terminal of operational amplifier P1, the positive pole of electric capacity C4 is connected with the positive input terminal of operational amplifier P1, negative pole is connected with the output terminal of operational amplifier P1, and resistance R3 and electric capacity C4 is arranged in parallel.
Filtered electrical routing resistance R4, resistance R5, resistance R6, resistance R7 electric capacity C5, electric capacity C6 forms.
During connection, the filtering circuit of electric capacity C5 is connected with the output terminal of operational amplifier P1 after resistance R4 through resistance R6 in turn by minus earth, positive pole, and minus earth, the positive pole of electric capacity C6 are connected with the positive pole of electric capacity C5 after resistance R5 through resistance R7 in turn.
Signal trigger circuit are by triode VT2, and triode VT3, time-base integrated circuit IC1, resistance R8, resistance R9, resistance R10, electric capacity C7, diode D1, slide rheostat RP2 form.
During connection, one end of slide rheostat RP2 is connected with pin 8 with the pin 4 of time-base integrated circuit IC1 simultaneously, the other end is connected with the pin one of time-base integrated circuit IC1 after resistance R8, sliding end is connected with the base stage of triode VT2, one end of resistance R9 is connected with the collector of triode VT3, the other end is connected with the pin 8 of time-base integrated circuit IC1, one end of resistance R10 is connected with the emitter of triode VT3, the other end is connected with the pin one of time-base integrated circuit IC1, the positive pole of electric capacity C7 is connected with the pin 5 of time-base integrated circuit IC1, negative pole is connected with the pin one of time-base integrated circuit IC1, the P pole of diode D1 is connected with the pin 3 of time-base integrated circuit IC1, N pole is connected with the negative pole of electric capacity C7, wherein, the emitter of triode VT2 is connected with the base stage of triode VT3, and the collector of triode VT2 is connected with pin 6 with the pin two of time-base integrated circuit IC1 simultaneously, and the pin 8 of time-base integrated circuit IC1 is connected with the tie point of resistance R7 with resistance R5.
Power control circuit is by triode VT4, and triode VT5, relay K, diode D2, resistance R11 form.
During connection, one end of resistance R11 is connected with the emitter of triode VT4, the other end is connected with the emitter of triode VT5, the P pole of diode D2 is connected with the collector of triode VT5, N pole is connected with the pin 4 of time-base integrated circuit IC1, and relay K and diode D2 are arranged in parallel; Wherein, the base stage of triode VT4 is connected with the P pole of diode D1, the emitter of triode VT5 is connected with the N pole of diode D1, the N pole of diode D2 and the emitter of triode VT5 form from controlling the input end of power circuit and being connected with the output terminal of mu balanced circuit, and the N pole of diode D2 forms with the emitter of triode VT5 from controlling the output terminal of power circuit and being connected with the power input of sender unit after the normally opened contact K-1 of relay K.
During use, the signal of infrared sensor is inputted by signal input part, and first time amplification is carried out at single-valve amplification circuit place, signal complete first time amplify after again through secondary amplification circuit again amplify with stable after enter filtering circuit, the filtering process of complete pair signals in filtering circuit, improve the precision of signal, avoiding clutter affects product and normally runs.When there being infrared signal to input, filtering circuit output voltage signal, the current potential at the base stage place of triode VT2 raises, the now composite amplifier saturation conduction of triode VT2 and triode VT3 composition, the current potential of collector place of triode VT2 is lower than the trigger end pin two of time-base integrated circuit IC1, and then make the output terminal pin 3 of time-base integrated circuit IC1 export high level and the composite amplifier of turn-on transistor VT4 and triode VT5 composition, relay K is obtained electric, the normally opened contact K-1 of relay K closes the output terminal of turning circuit, thus the power supply completed sender unit.Otherwise, if infrared sensor does not have signal input, the composite amplifier that triode VT2 and triode VT3 forms is saturated to be blocked, the current potential of collector place of triode VT2 is higher than the trigger end pin two of time-base integrated circuit IC1, the composite amplifier that output terminal pin 3 output low level of time-base integrated circuit IC1 makes triode VT4 and triode VT5 form blocks, relay K must not be electric, the normally opened contact K-1 of relay K does not close, and power supply is not powered to sender unit.
The multiple amplified can be adjusted by slide rheostat RP1 at single-valve amplification circuit place, so that a greater variety of sensor can be adapted to, substantially increase the adaptive faculty of this circuit.
As shown in Figure 3, described mu balanced circuit by triode VT6, triode VT7, triode VT8, slide rheostat RP3, resistance R12, resistance R13, resistance R14, resistance R15, resistance R6, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12, voltage stabilizing diode D3 form.
During connection, the positive pole of electric capacity C8 is connected with the collector of triode VT7 with the collector of triode VT6 simultaneously, negative pole is connected with the base stage of triode VT7 after resistance R13, resistance R12 and electric capacity C8 is arranged in parallel, the positive pole of electric capacity C9 is connected with the negative pole of electric capacity C9, negative pole is connected with the emitter of triode VT7 with the base stage of triode VT6 after resistance R14 simultaneously, the positive pole of electric capacity C10 is connected with the positive pole of electric capacity C9, negative pole is connected with the negative pole of electric capacity C9, the positive pole of electric capacity C11 is connected with the base stage of triode VT7, negative pole is connected with the negative pole of electric capacity C10, one end of resistance R16 is connected with the base stage of triode VT7, the other end is connected with the collector of triode VT8, one end of resistance R15 is connected with the emitter of triode VT6, the other end is connected with the emitter of triode VT8, the N pole of voltage stabilizing diode D3 is connected with the emitter of triode VT8, P pole is connected with the negative pole of electric capacity C11, the positive pole of electric capacity C12 is connected with the emitter of triode VT6, negative pole is connected with the base stage of triode VT8, one end of slide rheostat RP3 is connected with the positive pole of electric capacity C12, the other end is connected with the P pole of voltage stabilizing diode D3, sliding end is connected with the base stage of triode VT8, wherein, positive pole and the negative pole of electric capacity C9 of electric capacity C8 form the input end of this circuit and are connected with the output terminal of accumulator, and the positive pole of electric capacity C12 and the P pole of voltage stabilizing diode D3 form the output terminal of this circuit.
During use; mu balanced circuit carries out voltage stabilizing process by the output voltage of accumulator; avoid the impact of its voltage fluctuation on follow-up use circuit and equipment; can be good at the false judgment avoiding causing because of voltage fluctuation from control power circuit; improve the accuracy that it controls; better improve the result of use of product, each can also be protected simultaneously by the safety of electrical component, further increase the serviceable life of product.
The model of described operational amplifier P1 is LM324, and the model of time-base integrated circuit IC1 is NE555.
As mentioned above, just well the present invention can be realized.
Claims (8)
1. based on the infrared fire prevention system of type voltage regulation forest from control power circuit, it is characterized in that: comprise power supply, what be connected with power supply respectively controls power circuit and infrared sensor certainly, power input with from controlling the sender unit that power circuit is connected, signal input part is connected with infrared sensor, and the remote receiver be connected by wireless network with this sender unit; Described power supply is the accumulator being provided with solar panels; The described power circuit that certainly controls also is connected with infrared sensor, and should from controlling power circuit by single-valve amplification circuit, the secondary amplification circuit be connected with single-valve amplification circuit, the filtering circuit be connected with secondary amplification circuit, the signal trigger circuit be connected with filtering circuit, and the power control circuit be connected with signal trigger circuit forms; At accumulator and from controlling also to be provided with mu balanced circuit between power circuit.
2. according to claim 1 based on the infrared fire prevention system of type voltage regulation forest from control power circuit, it is characterized in that: described single-valve amplification circuit is by triode VT1, the electric capacity C1 that minus earth, positive pole are connected with the base stage of triode VT1 after electric capacity C2, and the resistance R1 that one end is connected with the collector of triode VT1, the other end is connected with the base stage of triode VT1 after slide rheostat RP1 forms; The grounded emitter of described triode VT1, the tie point of resistance R1 and slide rheostat RP1 connects+5V power supply, and positive pole and the negative pole of electric capacity C1 form from controlling the signal input part of power circuit and being connected with infrared sensor.
3. according to claim 2 based on the infrared fire prevention system of type voltage regulation forest from control power circuit, it is characterized in that: described secondary amplification circuit is by operational amplifier P1, positive pole is connected with the collector of triode VT1, the electric capacity C3 that negative pole is connected with the negative input end of operational amplifier P1, one end ground connection, the resistance R2 that the other end is connected with the positive input terminal of operational amplifier P1, positive pole is connected with the positive input terminal of operational amplifier P1, the electric capacity C4 that negative pole is connected with the output terminal of operational amplifier P1, and form with the resistance R3 that electric capacity C4 is arranged in parallel.
4. according to claim 3 based on the infrared fire prevention system of type voltage regulation forest from control power circuit, it is characterized in that: described filtering circuit is by minus earth, positive pole in turn through the electric capacity C5 that resistance R6 is connected with the output terminal of operational amplifier P1 after resistance R4, and the electric capacity C6 that minus earth, positive pole are connected with the positive pole of electric capacity C5 after resistance R5 through resistance R7 in turn forms.
5. according to claim 4 based on the infrared fire prevention system of type voltage regulation forest from control power circuit, it is characterized in that: described signal trigger circuit are by triode VT2, triode VT3, time-base integrated circuit IC1, one end is connected with pin 8 with the pin 4 of time-base integrated circuit IC1 simultaneously, the other end is connected with the pin one of time-base integrated circuit IC1 after resistance R8, the slide rheostat RP2 that sliding end is connected with the base stage of triode VT2, one end is connected with the collector of triode VT3, the resistance R9 that the other end is connected with the pin 8 of time-base integrated circuit IC1, one end is connected with the emitter of triode VT3, the resistance R10 that the other end is connected with the pin one of time-base integrated circuit IC1, positive pole is connected with the pin 5 of time-base integrated circuit IC1, the electric capacity C7 that negative pole is connected with the pin one of time-base integrated circuit IC1, and P pole is connected with the pin 3 of time-base integrated circuit IC1, the diode D1 that N pole is connected with the negative pole of electric capacity C7 forms, wherein, the emitter of triode VT2 is connected with the base stage of triode VT3, and the collector of triode VT2 is connected with pin 6 with the pin two of time-base integrated circuit IC1 simultaneously, and the pin 8 of time-base integrated circuit IC1 is connected with the tie point of resistance R7 with resistance R5.
6. according to claim 5 based on the infrared fire prevention system of type voltage regulation forest from control power circuit, it is characterized in that: described power control circuit is by triode VT4, triode VT5, the resistance R11 that one end is connected with the emitter of triode VT4, the other end is connected with the emitter of triode VT5, the diode D2 that P pole is connected with the collector of triode VT5, N pole is connected with the pin 4 of time-base integrated circuit IC1, and form with the relay K that diode D2 is arranged in parallel; Wherein, the base stage of triode VT4 is connected with the P pole of diode D1, the emitter of triode VT5 is connected with the N pole of diode D1, the N pole of diode D2 and the emitter of triode VT5 form from controlling the input end of power circuit and being connected with the output terminal of mu balanced circuit, and the N pole of diode D2 forms with the emitter of triode VT5 from controlling the output terminal of power circuit and being connected with the power input of sender unit after the normally opened contact K-1 of relay K.
7. according to claim 6 based on the infrared fire prevention system of type voltage regulation forest from control power circuit, it is characterized in that: described mu balanced circuit is by triode VT6, triode VT7, triode VT8, positive pole is connected with the collector of triode VT7 with the collector of triode VT6 simultaneously, the electric capacity C8 that negative pole is connected with the base stage of triode VT7 after resistance R13, the resistance R12 be arranged in parallel with electric capacity C8, positive pole is connected with the negative pole of electric capacity C9, the electric capacity C9 that negative pole is connected with the emitter of triode VT7 with the base stage of triode VT6 after resistance R14 simultaneously, positive pole is connected with the positive pole of electric capacity C9, the electric capacity C10 that negative pole is connected with the negative pole of electric capacity C9, positive pole is connected with the base stage of triode VT7, the electric capacity C11 that negative pole is connected with the negative pole of electric capacity C10, one end is connected with the base stage of triode VT7, the resistance R16 that the other end is connected with the collector of triode VT8, one end is connected with the emitter of triode VT6, the resistance R15 that the other end is connected with the emitter of triode VT8, N pole is connected with the emitter of triode VT8, the voltage stabilizing diode D3 that P pole is connected with the negative pole of electric capacity C11, positive pole is connected with the emitter of triode VT6, the electric capacity C12 that negative pole is connected with the base stage of triode VT8, and one end is connected with the positive pole of electric capacity C12, the other end is connected with the P pole of voltage stabilizing diode D3, the slide rheostat RP3 that sliding end is connected with the base stage of triode VT8 forms, wherein, positive pole and the negative pole of electric capacity C9 of electric capacity C8 form the input end of this circuit and are connected with the output terminal of accumulator, and the positive pole of electric capacity C12 and the P pole of voltage stabilizing diode D3 form the output terminal of this circuit.
8. according to claim 7 based on the infrared fire prevention system of type voltage regulation forest from control power circuit, it is characterized in that: the model of described operational amplifier P1 is LM324, the model of time-base integrated circuit IC1 is NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510885631.0A CN105488937A (en) | 2015-12-07 | 2015-12-07 | Voltage-stabilizing forest infrared fire prevention system based on self-control power circuit |
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| CN201510885631.0A CN105488937A (en) | 2015-12-07 | 2015-12-07 | Voltage-stabilizing forest infrared fire prevention system based on self-control power circuit |
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| CN (1) | CN105488937A (en) |
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