CN106210480A - A kind of network camera device with detection function - Google Patents

Abstract

The invention discloses a kind of network camera device with detection function, including microprocessor with for the power supply powered, microprocessor communication connects image sensing module, audio processing modules, memory module and wireless communication module, microprocessor also communication link is connected to Mars sensor, concrete, Mars sensor is connected with filtering and amplifying circuit, A/D change-over circuit in turn, and is connected to microprocessor by A/D change-over circuit；Wireless communication module connects home gateway, and is connected to intelligent extinguisher by home gateway communication link.Present invention preserves the function of original IP Camera and add Mars sensor, alarm and corresponding filtering and amplifying circuit, A/D change-over circuit on this basis, enable fire detection and alarm, solve the problem that in prior art, IP Camera does not have detection function.

Description

A kind of network camera device with detection function

Technical field

The invention belongs to Smart Home technical field, particularly relate to a kind of photographic head.

Background technology

At present, photographic head is a kind of equipment of monitoring inside and outside high residential building, mansion.It with dependable performance, make Type is attractive in appearance, easy to install and is popular in users, and is also widely used in safe residence district. Common photographic head does not the most have detection function, the detection range fire-prone of existing detection ground farther out, fire Detection instability, is unfavorable for carrying out in time detection.

Summary of the invention

It is an object of the invention to: a kind of network camera device with detection function is provided, to solve existing skill In art, IP Camera does not have the problem of detection function, and its scheme is simple, and low cost easily realizes.

The technical solution used in the present invention is as follows:

A kind of network camera device with detection function, including microprocessor with for the power supply powered, micro-place Reason device communication link is connected to image sensing module, audio processing modules, memory module and wireless communication module, and microprocessor also communicates Connecting and have Mars sensor and alarm, concrete, Mars sensor is connected with filtering and amplifying circuit, A/D change-over circuit in turn, And it is connected to microprocessor by A/D change-over circuit；Wireless communication module connects home gateway, and is communicated by home gateway Connect and have intelligent extinguisher.

Further, power supply is accumulator, and accumulator connects charge control module, and is connected by charge control module In external power source.

Further, charge control module includes current conversion unit and the detecting unit being connected to external power source；Detecting Unit is connected with microcontroller, digital variable resistance in turn, and is connected to current conversion unit, electric current by digital variable resistance The outfan of converting unit is connected to power supply.

Further, microprocessor connects LED lamp drive circuit, and LED lamp drive circuit connects relay, relay Connect and have LED；Microprocessor also communication link is connected to ambient brightness detector, in outfan and the relay of LED lamp drive circuit Connect between device and have brightness regulating circuit, and brightness regulating circuit is connected to power supply.

Further, brightness regulating circuit includes the first resistance R1 to the 14th resistance R14, the first electric capacity C1 to the 6th electricity Hold C6, the first audion VT1 to the 4th audion VT4, photoconductive resistance RW, potentiometer RP, the first amplifier IC1, the second amplification Device IC2, time base chip IC 3, diode D, LED and bidirectional thyristor SCR, the first resistance R1 the first end respectively Being connected with positive pole and the positive source of LED, second end of the first resistance R1 and first end of the second resistance R2 are even Connecing, second end of the second resistance R2 is connected with the base stage of the first audion VT1 and the emitter stage of the second audion VT2 respectively, the The colelctor electrode of one audion VT1 respectively with first end of the 6th resistance R6, first end of the 3rd resistance R3, the 3rd audion VT3 Emitter stage and the 4th audion VT4 base stage connect, the colelctor electrode of the second audion VT2 respectively with the second of the 6th resistance R6 The base stage of end and the 3rd audion VT3 connects, the emitter stage of the first audion VT1 respectively with the base stage of the second audion VT2, the The colelctor electrode of three audion VT3, the emitter stage of the 4th audion VT4, first end of the second electric capacity C2, the first of photoconductive resistance RW After the first end connection of end and the 9th resistance R9, also ground connection, second end of the 3rd resistance R3 and first end of the 4th resistance R4 connect And connect cathode voltage, second end of the 4th resistance R4 respectively with first end of the first electric capacity C1, first end of the 5th resistance R5, electricity First end of position first end of device RP and the 8th resistance R8 connects, the second end ground connection of the first electric capacity C1, the of the 5th resistance R5 Two ends respectively with colelctor electrode, first end of the second electric capacity C2 and the in-phase input end of the second amplifier IC2 of the 4th audion VT4 Connect, second end of potentiometer RP respectively with sliding end, first end of the 7th resistance R7 and the photoconductive resistance RW of potentiometer RP Second end connects, and second end of the 8th resistance R8 is defeated with the positive of second end of the 9th resistance R9 and the first amplifier IC1 respectively Enter end to connect, second end of the 7th resistance R7 respectively with the inverting input and the first of the 3rd electric capacity C3 of the first amplifier IC1 End connects, second end of the 3rd electric capacity C3 respectively with outfan and the anti-phase input of the second amplifier IC2 of the first amplifier IC1 End connect, the outfan of the second amplifier IC2 with time base chip IC 3 clear terminal be connected, time base chip IC 3 earth terminal distinguish After being connected with first end of the first end, first end of the 5th electric capacity C5 and the 12nd resistance R12 of the 4th electric capacity C4 and ground connection, the Second end of five electric capacity C5 with time base chip IC 3 voltage controling end be connected, second end of the 4th electric capacity C4 respectively with time base core The low triggering end of sheet IC3, time the high-triggering end of base chip IC 3, first end of the 13rd resistance R13 and diode D negative pole even Connect, the positive pole of diode D respectively with second end of the 13rd resistance R13, time the discharge end of base chip IC 3 and the tenth resistance R10 The first end connect, second end of the tenth resistance R10 with time base chip IC 3 power end be connected and connect positive voltage, the 12nd is electric Second end of resistance R12 is connected with first end of the 11st resistance R11 and the gate pole of bidirectional thyristor SCR respectively, the 11st resistance Second end of R11 with time base chip IC 3 outfan be connected, the first anode of bidirectional thyristor SCR respectively with light emitting diode The negative pole of LED and first end of the 6th electric capacity C6 connect, and second end of the 6th electric capacity C6 and first end of the 14th resistance R14 are even Connecing, second end of the 14th resistance R14 is connected with second plate and the power cathode of bidirectional thyristor SCR respectively.

In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:

Present invention preserves the function of original IP Camera and add Mars sensor, alarm on this basis And corresponding filtering and amplifying circuit, A/D change-over circuit, enable fire detection and alarm, solve prior art Middle IP Camera does not have the problem of detection function, owing to the installation site of IP Camera is usually located at computer desk etc. Distance fire-prone ground is closer to, it is easier to detection fire condition, it is to avoid Mars probes are due to apart from long and can not effectively visit The problem surveyed；Further, it is connected to home gateway by original wireless communication module, and is communicated to connect by home gateway There is intelligent extinguisher, to carry out intelligent fire fighting, the problem that during to prevent family no one, fire can not effectively be contained.

Accompanying drawing explanation

Fig. 1 is the schematic block circuit diagram of the present invention；

Fig. 2 is the brightness regulating circuit schematic diagram of the present invention；

Fig. 3 is the circuit diagram of the current rectifying and wave filtering circuit of the present invention；

Fig. 4 is the structured flowchart of a kind of charge control module that the present invention uses；

Fig. 5 is solar panels output voltage of the present invention and charging current curve figure；

Fig. 6 is the flow chart of microcontroller of the present invention regulation charging current

Fig. 7 is the circuit diagram of a kind of charge control module of the present invention.

Detailed description of the invention

All features disclosed in this specification, in addition to mutually exclusive feature and/or step, all can be with any Mode combines.

Below in conjunction with Fig. 1～Fig. 7, the present invention is elaborated.

Embodiment 1

A kind of network camera device with detection function, including microprocessor with for the power supply powered, power supply For accumulator, accumulator connects charge control module, and is connected to external power source by charge control module, and external power source is 220V civil power, is used for charging a battery；Microprocessor communication connects image sensing module, audio processing modules, storage mould Block and wireless communication module, microprocessor connects LED lamp drive circuit, and LED lamp drive circuit connects relay, relay Connect and have LED.

Accumulator connects current rectifying and wave filtering circuit, and is connected to microprocessor by current rectifying and wave filtering circuit.

Current rectifying and wave filtering circuit includes being released by two commutation diode D12, D22, two filter capacitors C12, C22 and one The full-wave voltage doubler of resistance R composition, two filter capacitor C12, C22 series connection, two commutation diode D12, D22 series connection, string Two commutation diode D12, D22 of connection are in parallel with two filter capacitor C12, the C22 connected, and bleeder resistance R is connected in parallel on the two of series connection The two ends of filter capacitor C12, C12, constitute a full-wave voltage doubler.Bleeder resistance R is for filter capacitor C12, C22 There is provided a path of releasing, in order to after filter capacitor C12, C22 quit work, the electric energy of its two ends storage of releasing.Circuit During work, the friendship to input of the full-wave voltage doubler of two commutation diodes D12, D22 and two electric capacity C12, C22 compositions Stream voltage carries out rectification, filtering, obtains a smooth DC voltage and exports.

Embodiment 2

Difference with embodiment 1 is:

The present embodiment has additional infrared human body sensor, and infrared human body sensor is connected with amplification filtered electrical in turn Road, A/D change-over circuit, and it is connected to microprocessor by A/D change-over circuit.When infrared ray human body sensor senses desk seat When having people on Wei, the signal detected is carried out is delivered to microprocessor after A/D change-over circuit carries out analog digital conversion and is analyzed Judging, microprocessor carries out action according to the judged result of plug-in, i.e. during presence of people, and the microprocessor point of relay at once Bright LED, it is to avoid user oneself is difficult to find that and opens the trouble of desk lamp in dark environment.

Embodiment 3

Difference with embodiment 1,2 is:

Microprocessor also communication link is connected to Mars sensor, and wireless communication module connects home gateway, and passes through family Gateway communication connects intelligent extinguisher.Mars sensor is ultraviolet Mars sensor.

Mars sensor is connected with filtering and amplifying circuit, A/D change-over circuit in turn, and is connected to by A/D change-over circuit Microprocessor.

Home gateway also communication link is connected to the mobile terminal that controls, and the mobile terminal that controls includes mobile phone, panel computer so that hands Machine or panel computer are building up in a LAN with LED, intelligent extinguisher, in order to carry out long-range Based Intelligent Control.

The Mars sensor of present invention employing and wireless communication module, add the function of desk lamp, is allowed to examine with Mars Brake, and obtain communication by wireless communication module with home gateway, desk lamp is building up in the LAN of family, it is simple to intelligence Can the application of household, using desk lamp as detection instrument according to being, compared to traditional fire detector, desk lamp distance fire The place that calamity is easily sent out closer to, it is easier to find naked light, in order to put out a fire in time.

Embodiment 4

Difference with embodiment 1,2,3 is:

Microprocessor also communication link is connected to ambient brightness detector, adapts with this, in the output of LED lamp drive circuit End has brightness regulating circuit with being connected between relay, and brightness regulating circuit is connected to accumulator, so increases The inducing function of ambient brightness, then by brightness regulating circuit, voltage, electric current are being adjusted, to control the brightness of LED.

Ambient brightness detector is connected with filtering and amplifying circuit, A/D change-over circuit in turn, and is connected by A/D change-over circuit It is connected to microprocessor.

The induction end of above-mentioned infrared human body sensor is towards often having on the seat of people, and as generally, desk lamp should Being placed on desk, at this moment, the induction end of infrared human body sensor is towards on the seat of desk, when infrared ray human body sensor sense Should carry out the signal detected being delivered to micro-process after A/D change-over circuit carries out analog digital conversion to when having people on desk seat Device is analyzed judging, microprocessor carries out action according to the judged result of plug-in, and i.e. during presence of people, microprocessor stands Carve relay lightening LED lamp, it is to avoid user oneself is difficult to find that and opens the trouble of desk lamp in dark environment.

Ambient brightness detector, for induced environment brightness, is converted to numeral by A/D change-over circuit by ambient brightness and believes Number, and be sent in microprocessor, microprocessor can carry out contrast by built-in control program and judge, then according to judgement Output control；In the case of ambient brightness detector detects that ambient brightness meets built-in condition, microprocessor receives After the signal of infrared human body sensor, then control relay lightening LED lamp.

Brightness regulating circuit, is formed zero cross detection circuit by multiple audions, by photoconductive resistance RW and potentiometer RP, the 7th Resistance R7, the 9th resistance R9 form environment lighting detecting circuit, intensity of illumination changes when, amplifier exporting change Electric current then base chip IC 3, time base chip IC 3 output signal control the angle of flow of gate pole of bidirectional thyristor SCR, control The voltage at Light-Emitting Diode two ends, thus reach to automatically control the function of lamplight brightness.

Brightness regulating circuit, specifically includes the first resistance R1 to the 14th resistance R14, the first electric capacity C1 to the 6th electric capacity C6, the first audion VT1 to the 4th audion VT4, photoconductive resistance RW, potentiometer RP, the first amplifier IC1, the second amplifier IC2, time base chip IC 3, diode D, LED and bidirectional thyristor SCR, first end of the first resistance R1 respectively with The positive pole of LED and battery positive voltage connect, and second end of the first resistance R1 and first end of the second resistance R2 are even Connecing, second end of the second resistance R2 is connected with the base stage of the first audion VT1 and the emitter stage of the second audion VT2 respectively, the The colelctor electrode of one audion VT1 respectively with first end of the 6th resistance R6, first end of the 3rd resistance R3, the 3rd audion VT3 Emitter stage and the 4th audion VT4 base stage connect, the colelctor electrode of the second audion VT2 respectively with the second of the 6th resistance R6 The base stage of end and the 3rd audion VT3 connects, the emitter stage of the first audion VT1 respectively with the base stage of the second audion VT2, the The colelctor electrode of three audion VT3, the emitter stage of the 4th audion VT4, first end of the second electric capacity C2, the first of photoconductive resistance RW After the first end connection of end and the 9th resistance R9, also ground connection, second end of the 3rd resistance R3 and first end of the 4th resistance R4 connect And connect cathode voltage, second end of the 4th resistance R4 respectively with first end of the first electric capacity C1, first end of the 5th resistance R5, electricity First end of position first end of device RP and the 8th resistance R8 connects, the second end ground connection of the first electric capacity C1, the of the 5th resistance R5 Two ends respectively with colelctor electrode, first end of the second electric capacity C2 and the in-phase input end of the second amplifier IC2 of the 4th audion VT4 Connect, second end of potentiometer RP respectively with sliding end, first end of the 7th resistance R7 and the photoconductive resistance RW of potentiometer RP Second end connects, and second end of the 8th resistance R8 is defeated with the positive of second end of the 9th resistance R9 and the first amplifier IC1 respectively Enter end to connect, second end of the 7th resistance R7 respectively with the inverting input and the first of the 3rd electric capacity C3 of the first amplifier IC1 End connects, second end of the 3rd electric capacity C3 respectively with outfan and the anti-phase input of the second amplifier IC2 of the first amplifier IC1 End connect, the outfan of the second amplifier IC2 with time base chip IC 3 clear terminal be connected, time base chip IC 3 earth terminal distinguish After being connected with first end of the first end, first end of the 5th electric capacity C5 and the 12nd resistance R12 of the 4th electric capacity C4 and ground connection, the Second end of five electric capacity C5 with time base chip IC 3 voltage controling end be connected, second end of the 4th electric capacity C4 respectively with time base core The low triggering end of sheet IC3, time the high-triggering end of base chip IC 3, first end of the 13rd resistance R13 and diode D negative pole even Connect, the positive pole of diode D respectively with second end of the 13rd resistance R13, time the discharge end of base chip IC 3 and the tenth resistance R10 The first end connect, second end of the tenth resistance R10 with time base chip IC 3 power end be connected and connect positive voltage, the 12nd is electric Second end of resistance R12 is connected with first end of the 11st resistance R11 and the gate pole of bidirectional thyristor SCR respectively, the 11st resistance Second end of R11 with time base chip IC 3 outfan be connected, the first anode of bidirectional thyristor SCR respectively with light emitting diode The negative pole of LED and first end of the 6th electric capacity C6 connect, and second end of the 6th electric capacity C6 and first end of the 14th resistance R14 are even Connecing, second end of the 14th resistance R14 is connected with second plate and the battery terminal negative of bidirectional thyristor SCR respectively.

Embodiment 5

Can not work in order to avoid electricity is not enough, the difference with embodiment 1～3 is, external power source is solar panels, Solar panels are arranged at sun-drenched position, as outside window, and even roof.

Charge control module is specifically configured to:

Charge control module is connected between solar panels 101 and accumulator 103, and these solar panels 101 provide output electricity Pressure, this charge control module is for being charged this accumulator 103 according to this output voltage.Wherein, this accumulator 103 is can The battery of discharge and recharge, such as, rechargeable battery built-in in current Mobile portable product.Alternating current power supply is turned by these solar panels 101 It is changed to DC source, this accumulator 103 to be charged by this charge control module.Such as, these solar panels 101 are connected to city Electricity, civil power is carried out transformation and rectification by these solar panels 101, to provide DC source.As it is shown in figure 5, be solar panels 101 The performance diagram of UI.As can be seen from Figure 5 the output voltage U of these solar panels 101 with the characteristic of charging current I is, defeated Go out voltage U to be inversely proportional to charging current I, and the output voltage U of these solar panels 101 can subtract along with the increase of charging current I Little.When this output voltage U is reduced to lowest critical value Vmin, charging current I now is in maximum charge value Imax.And work as When charging current I is in maximum charge value Imax, these solar panels 101 are in the output state of peak power.Utilize this special Property, this charge control module, by detecting the output voltage of these solar panels 101, dynamically regulates this charging current, until this is defeated Go out voltage and be reduced to lowest critical value Vmin.When this output voltage is in lowest critical value Vmin, this means that now Charging current is in maximum charge value.The solar panels of different size, the lowest critical value of its output voltage is different, thus this fills Electric control module is suitable for the solar panels of different size, and uses different maximums to fill according to the solar panels of different size Electricity current versus cell (accumulator that i.e. present invention uses) is charged.

This charge control module farther includes detecting unit 105, current conversion unit 104, microcontroller 106 and numeral Variable resistance 107.Detecting unit 105 is connected to this solar panels 101, and this detecting unit 105 detects the defeated of these solar panels 101 Go out voltage, and the output voltage detected is transferred to microcontroller 106.Current conversion unit 104 is connected to this solar panels 101, this current conversion unit 104, according to this output voltage, provides charging current to this accumulator 103.This charging current along with The reduction of this output voltage and increase, when this output voltage is in lowest critical value, this charging current is in maximum charge value.Micro- Controller 106 is connected to this detecting unit 105 and numeral variable resistance 107, and this microcontroller 106 regulates according to this output voltage This charging current.This digital variable resistance 107 is connected between this current conversion unit 104 and this microcontroller 106, this micro-control Device 106 processed is by regulating this digital variable resistance 107, so that this current conversion unit 104 regulates this charging current.Wherein, As long as this detecting unit 105 can produce response signal to change in voltage.This current conversion unit 104 can be independent filling Being electrically integrated chip (IC, integrated circuit), the integrated chip of this charging is include high-power FET linear Charger (linear charger), this linear charger is by controlling the field effect transistor channel sized in linear zone, Jin Erda To the purpose controlling charging current.Such as, this linear charger is integrated chip BQ24075.This linear charger has electric current Configuration pin, this digital variable resistance is connected to this electric current configuration pin, then this microcontroller 106 is by controlling this digital variable Resistance 107, can be by electric current configuration pin, so that this linear charger regulates this charging current.In conjunction with shown in Fig. 5 too The output voltage of sun energy plate and charging current curve figure, when this accumulator 103 is charged by this charge control module, this is micro- This output voltage that controller 106 detects according to this detecting unit 105, regulates this digital variable resistance 107, so that this electricity Stream-converting unit 104 improves this charging current.When this charging current raises, the output voltage of these solar panels 101 drops therewith Low, detecting unit 105 detects the output voltage after change, and is transferred to this microcontroller 106, this microcontroller 106 basis Output voltage after this change continues to regulate this digital variable resistance 107, until making at the output voltage of these solar panels 101 In this lowest critical value, now, this accumulator 103 is persistently charged by this charging current with this maximum charge value.Charging controls mould Block can dynamically regulate the charging current of solar panels 101, is charged accumulator 103 with peak power.It addition, in the present invention Another embodiment in, this digital variable resistance include at least two configure resistance, this microcontroller also includes on-off circuit, should Microcontroller selects different configuration resistance to be connected to this current conversion unit by this on-off circuit, so that the conversion of this electric current is single Unit regulates this charging current.Wherein, this on-off circuit can specifically use field effect transistor (MOSFET) to realize, and microcontroller passes through Control the grid of field effect transistor, to control conducting and the cut-off of field effect transistor, to realize the function of switch.Further, this is micro- Controller is also by the connection in series-parallel relation changed between multiple configuration resistance, to regulate this charging current.This digital variable i.e. Resistance both can realize modulation by being selectively coupled to different configuration resistance, it is possible between multiple configuration resistance Combination realizes modulation.

For the function of this microcontroller 106 of clearer description, shown in Figure 6, for microcontroller 106 of the present invention Regulating the flow chart of this charging current, in combination with shown in Fig. 4, the process that this microcontroller 106 regulates this charging current includes:

Step S1, according to this output voltage, regulates this digital variable resistance 107.When detecting unit 105 is defeated by detect Going out after voltage is transferred to this microcontroller 106, this digital variable resistance 107 is entered by this microcontroller 106 according to this output voltage Row regulation.Owing to this digital variable resistance 107 is connected to the charging current configuration end of this current conversion unit 104, thus this counts The change of word variable resistance 107 is the most corresponding with this charging current.Such as this current conversion unit is integrated circuit BQ24075, microcontroller 106 is by reducing the resistance of this digital variable resistance 107, so that this charging current increases, this fills Electricity electric current increases, thus the output voltage of these solar panels 101 decreases.Wherein, this digital variable resistance 107 is predeterminable puts One initial default value, this initial default value can to should a smaller value of charging current, such as this smaller value is at 10mA to 100mA Between, thus during this digital variable resistance 107 of subsequent adjustment, so that this charging current is gradually increased.When solar panels 101 connect When entering to this charge control module, this microcontroller 106 starts to regulate this digital variable resistance 107 from this initial default value.Separately Outward, this digital variable resistance 107 can be adjusted by this microcontroller 106 according to certain difference, i.e. this microcontroller 106 Change this digital variable resistance 107 1 fixed resistance value every time.Such as this microcontroller 106 gradually increases this digital variable resistance The resistance of 107 100 ohm.Certainly this microcontroller 106 also can make this charging current (or this output voltage) with a fixing change Value is changed, so that finally this charging current (this output voltage) is adjusted to maximum charge value (lowest critical value).

Step S2, receives this output voltage now.After regulating this digital variable resistance 107 by step S1, this is detectd Survey unit 105 and detect output voltage now again.This microcontroller 106 receives the output voltage after regulation again.And by now Whether this output voltage continues to regulate the foundation of this digital variable resistance 107 as next time.

Step S3, it is judged that whether this output voltage now is equal to this lowest critical value.Judge in above-mentioned steps S2 is defeated Go out whether voltage is lowest critical value.If in this step S3, if this output voltage now is not equal to this minimum critical Value, then return above-mentioned steps S1, continues to regulate this digital variable resistance 107, continues the output voltage after detecting regulation, until This output voltage is equal to this lowest critical value.If this output voltage now is equal to this lowest critical value, then perform follow-up Step.It should be noted that due to this digital variable resistance 107 regulation may not necessarily continuous print, thus, this output Can allow between voltage and lowest critical value to there is certain allowable error, as long as i.e. this output voltage is at this lowest critical value This output voltage can be given tacit consent to equal to this lowest critical value in range of allowable error.This allowable error can be this output voltage and be somebody's turn to do The difference of lowest critical value and the ratio of this lowest critical value, when this allowable error is less than 5%, can give tacit consent to this output voltage Through equal to this lowest critical value.Or, this allowable error can be also directly the difference between this output voltage and this lowest critical value Value, if lowest critical value is 5V, then this allowable error should be less than 0.25V.It addition, also can be further such that this output voltage It is in and is charged slightly larger than the second marginal value of this lowest critical value, the purpose of do so, it is possible to decrease this charge control module Persistently operate with full load and destroy the danger of charge control module.

Step S4, maintains this output voltage to be in this lowest critical value, so that this charging current is entered with this maximum charge value Row charging.Through the regulation of above-mentioned steps, this microcontroller 106, by regulating this digital variable resistance 107, has made this defeated Go out voltage and be in lowest critical value.Then this microcontroller 106 stops regulating this digital variable resistance 107, keeps this digital variable The resistance of resistance 107 is constant, to maintain this charging current to be persistently charged accumulator 103 with maximum charge value.By this The regulation of microcontroller 106 so that this charge control module can use not according to the solar panels 101 of the different size inserted Accumulator 103 is charged by same current value, it is ensured that the maximum power transfer of these solar panels 101.

It should be noted that during one of ordinary skill in the art will appreciate that the regulation of above-mentioned microcontroller 106 All or part of step can instruct related hardware by program and complete, and described program can be stored in computer-readable storage medium In matter, such as read only memory, disk or CD etc..Alternatively, above-mentioned all or part of step can also use one or more Integrated circuit realizes.The present invention is not restricted to the combination of the hardware and software of any particular form.

As it is shown in fig. 7, the input of this charge control module is connected to solar panels (not shown), these solar panels Thering is provided output voltage to this charge control module, battery P01 can be charged by this charge control module.These solar panels also may be used It is that system (i.e. the photovoltaic gate system of the present invention) provides power supply by this charge control module.This charge control module includes: Detecting unit M2013, microcontroller IC2013, current conversion unit BQ24075 and numeral variable resistance R34.This detecting unit M2013 is connected to the input of this charge control module to detect the output voltage of these solar panels.This microcontroller IC2013 It is connected to this detecting unit M2013, to receive the output voltage that this detecting unit M2013 detects.This microcontroller IC2013 According to this output voltage to control the resistance of this digital variable resistance R34.This current conversion unit BQ24075 is for including big merit Rate field effect transistor (is not drawn in figure), and this current conversion unit BQ24075 is big by controlling the field effect transistor passage in linear zone Little, and then reach to control the purpose of charging current.This current conversion unit has input pin 21 (IN), voltage ground pin 22 (VSS), system controls pin 23 (SYSOFF, system enable input), charging activates pin 24 (CE, charge Enable active-low input), intervalometer programming pin 25 (TMR, timer programming input), first electricity Ductility limit configuration pin 26 (EN1, input current limit configuration input), adjustable current limit to be compiled Journey pin 27 (ILIM, adjustable current limit programming input), charging current configuration pin 28 (ISET, fast charge current programming input), external negative temperature coefficient (NTC, Negative Temperature Coefficient) critesistor input pin 29 (TS, external NTC thermistor input), Battery charging pins 30 (BAT, charger power stage output and battery voltage sense Input), the second electric current limitation arrangement pin 11 (EN2, input current limit configuration input), defeated Go out pin 12 (OUT, system supply output), charged state instruction pin 13 (CHG, open-drain charging Status indication output), power supply kilter instruction pin 14 (PGOOD, open-drain power good Status indication output), this input pin 21 is connected to the input of this charge control module, to receive the sun The output voltage of energy plate.This input pin 21 is by electric capacity 31 ground connection simultaneously, and this electric capacity 31 plays the effect of filtering.This voltage connects Ground pin 22 ground connection, using by the earthing potential of this charge control module as electronegative potential.This system control pin 23 is connected to System control signal, with according to the control signal of this system optionally to this system power supply.This charging activates pin 24 ground connection, When this charging activation pin 24 is set to electronegative potential, battery can be charged by this charge control module；When this charging activates pin 24 when being set to high potential, and battery is not charged by this charge control module, but this charge control module and battery can be system confession Electricity.Intervalometer programming pin 25 ground connection, this intervalometer programming pin 25 can control the charging interval, to protect this rechargeable battery.When When this intervalometer editor's pin 25 is set to electronegative potential, the charging interval is not defined by this charge control module.First electric current Limitation arrangement pin 26 ground connection, this first electric current limitation arrangement pin 26 in order to limit the upper limit maximum of this charging current, with Protect this charge control module and battery.Adjustable current limits programming pin 27 by resistance R33 ground connection.The resistance of this resistance R33 Value generally 1100 ohm to 8000 ohm, this adjustable current limits programming pin 27 in order to limit the total of system load and battery Upper current limit.This charging current configuration pin 28, by digital variable resistance R34 ground connection, regulates this digital variable resistance R34 i.e. This charging current can be controlled by this charging current configuration pin 28.It is micro-that the adjustable side of this digital variable resistance R34 is connected to this Controller IC 2013, to receive the regulation of this microcontroller IC2013.This charging current configuration pin 28 can according to numeral The different resistances of power transformation resistance R34 determine charging current, thus reach quick charge and the purpose of design of protection battery.Need Bright, in the present embodiment, this digital variable resistance R34 is as a example by swept resistance, but is not limited to this.The present invention another In embodiment, this digital variable resistance R34 may also include at least two configuration resistance, and this microcontroller IC2013 also includes switch Circuit, this microcontroller IC2013 selects different configuration resistance to be connected to this current conversion unit by this on-off circuit The charging current configuration pin 28 of BQ24075, so that this current conversion unit BQ24075 regulates this charging current.Wherein, this is opened Close circuit can specifically use field effect transistor (MOSFET) to realize, microcontroller IC2013 by control field effect transistor grid, To control conducting and the cut-off of field effect transistor, to realize the function of switch.Further, this microcontroller IC2013 also by Change the connection in series-parallel relation between multiple configuration resistance, to regulate this charging current.I.e. this digital variable resistance R34 both can lead to Cross and be selectively coupled to different configuration resistance to realize modulation, it is possible to realize adjusting by the combination between multiple configuration resistance Become.Charge control module of the present invention is according to digital variable resistance to charging current configuration pin 28 of the solar panels of different size R34 is adjusted, so that this charge control module is adapted to the solar panels of different size.Meanwhile, by electric current Arranging digital variable resistance R34 in the charging current configuration pin 28 of converting unit, microcontroller IC2013 is according to output voltage Change the resistance being connected in electric current configuration pin 28, to reach to use different size according to external charger specification difference Charging current battery is charged, and then protection charger purpose of design, improve the maximum of charge control module Power conversion efficiency.There is in this battery P01 NTC (negative temperature coefficient, Negative Temperature Coefficient) Critesistor R35, this external NTC thermistor input pin 29 is connected to NTC thermistor R35 in this battery P01, to detect Survey the temperature of this battery P01, to play the effect of overtemperature protection.Battery charging pins 30 is connected to the positive pole of battery P01, and leads to Cross the minus earth of this battery P01, this charge control module by this battery charging pins 30 with to this battery P01 charge.With Time this battery charging pins 30 by electric capacity 33 ground connection, this electric capacity 33 plays the effect of filtering.Second electric current limitation arrangement pin 11 are connected to this system, and this second electric current limitation arrangement pin 11 supplies the upper limit of this system power in order to limit, should with protection System.System power supply pin 12 is connected to this system, this charge control module by this system power supply pin 12 with to this system Power supply.This system power supply pin 12 is simultaneously by electric capacity 32 ground connection, and this electric capacity 32 plays the effect of filtering.Charged state instruction is drawn Foot 13 is connected to light emitting diode Q2 and resistance R32, this light emitting diode Q2 in order to indicate the charging shape of this charge control module State.Power supply kilter instruction pin 14 is connected to light emitting diode Q1 and resistance R331, and this light emitting diode Q1 is in order to indicate Power supply kilter.

Claims (5)

1. there is a network camera device for detection function, including microprocessor with for the power supply powered, micro-process Device communication link is connected to image sensing module, audio processing modules, memory module and wireless communication module, it is characterised in that micro-place Reason device also communication link is connected to Mars sensor and alarm, and concrete, Mars sensor is connected with filtering and amplifying circuit, A/ in turn D change-over circuit, and it is connected to microprocessor by A/D change-over circuit；Wireless communication module connects home gateway, and passes through house Front yard gateway communication connects intelligent extinguisher.

A kind of network camera device with detection function, it is characterised in that power supply is for storing Battery, accumulator connects charge control module, and is connected to external power source by charge control module.

A kind of network camera device with detection function, it is characterised in that charging controls Module includes current conversion unit and the detecting unit being connected to external power source；Detecting unit is connected with microcontroller, number in turn Word variable resistance, and it is connected to current conversion unit by digital variable resistance, the outfan of current conversion unit is connected to electricity Source.

A kind of network camera device with detection function, it is characterised in that microprocessor Connecting and have LED lamp drive circuit, LED lamp drive circuit connects relay, and relay connects LED；Microprocessor is the most logical Letter connection has ambient brightness detector, and being connected between the outfan and relay of LED lamp drive circuit has brightness regulating circuit, And brightness regulating circuit is connected to power supply.

A kind of network camera device with detection function, it is characterised in that brightness regulation Circuit includes the first resistance R1 to the 14th resistance R14, the first electric capacity C1 to the 6th electric capacity C6, the first audion VT1 to the 4th Audion VT4, photoconductive resistance RW, potentiometer RP, the first amplifier IC1, the second amplifier IC2, time base chip IC 3, diode D, LED and bidirectional thyristor SCR, first end of the first resistance R1 respectively with the positive pole of LED and Positive source connects, and second end of the first resistance R1 and first end of the second resistance R2 connect, and second end of the second resistance R2 divides Not being connected with the base stage of the first audion VT1 and the emitter stage of the second audion VT2, the colelctor electrode of the first audion VT1 is respectively The first end, first end of the 3rd resistance R3, the emitter stage of the 3rd audion VT3 and the 4th audion VT4 with the 6th resistance R6 Base stage connect, the colelctor electrode of the second audion VT2 respectively with the second end and the base stage of the 3rd audion VT3 of the 6th resistance R6 Connect, the emitter stage of the first audion VT1 respectively with the base stage of the second audion VT2, the colelctor electrode of the 3rd audion VT3, the The emitter stage of four audion VT4, first end of the second electric capacity C2, first end of photoconductive resistance RW and first end of the 9th resistance R9 After connection and ground connection, second end of the 3rd resistance R3 and first end of the 4th resistance R4 connect and connect cathode voltage, the 4th resistance Second end of R4 respectively with first end of the first electric capacity C1, first end of the 5th resistance R5, first end and the 8th of potentiometer RP Resistance R8 first end connect, the second end ground connection of the first electric capacity C1, second end of the 5th resistance R5 respectively with the 4th audion The in-phase input end of the colelctor electrode of VT4, first end of the second electric capacity C2 and the second amplifier IC2 connects, the second of potentiometer RP End the second end with sliding end, first end of the 7th resistance R7 and the photoconductive resistance RW of potentiometer RP respectively is connected, the 8th resistance Second end of R8 is connected with second end of the 9th resistance R9 and the normal phase input end of the first amplifier IC1 respectively, the 7th resistance R7 The second end be connected with the inverting input of the first amplifier IC1 and first end of the 3rd electric capacity C3 respectively, the 3rd electric capacity C3's Second end is connected with the outfan of the first amplifier IC1 and the inverting input of the second amplifier IC2 respectively, the second amplifier The outfan of IC2 with time base chip IC 3 clear terminal be connected, time base chip IC 3 earth terminal respectively with the of the 4th electric capacity C4 One end, first end of the 5th electric capacity C5 and the 12nd resistance R12 first end connect after and ground connection, second end of the 5th electric capacity C5 With time base chip IC 3 voltage controling end be connected, second end of the 4th electric capacity C4 respectively with time base chip IC 3 low triggering end, Time the high-triggering end of base chip IC 3, the negative pole of first end of the 13rd resistance R13 and diode D connect, the positive pole of diode D Respectively with second end of the 13rd resistance R13, time the discharge end of base chip IC 3 and first end of the tenth resistance R10 be connected, the tenth Second end of resistance R10 with time base chip IC 3 power end be connected and connect positive voltage, second end of the 12nd resistance R12 is respectively Be connected with first end of the 11st resistance R11 and the gate pole of bidirectional thyristor SCR, second end of the 11st resistance R11 with time base The outfan of chip IC 3 connects, and the first anode of bidirectional thyristor SCR is electric with the negative pole of LED and the 6th respectively The first end holding C6 connects, and second end of the 6th electric capacity C6 and first end of the 14th resistance R14 connect, the 14th resistance R14 The second end be connected with second plate and the power cathode of bidirectional thyristor SCR respectively.