The photovoltaic module anti-theft device
Technical field
The utility model relates to the photovoltaic module field, particularly relates to a kind of photovoltaic module anti-theft device.
Background technology
Along with developing rapidly of photovoltaic industry, all kinds of photovoltaic module ranges of application constantly enlarge, and that photovoltaic module is installed in usually is outdoor, and the incident of theft photovoltaic module happens occasionally, and often causes user's property loss.Stolen for fear of photovoltaic module, anti-theft device need be installed on photovoltaic module, when photovoltaic module is stolen, send warning, remind the user in time to stop the generation of thievery.
The utility model content
The utility model provides a kind of photovoltaic module anti-theft device, can when photovoltaic module is stolen, send warning.
The utility model provides a kind of photovoltaic module anti-theft device, comprises power supply, testing circuit module, control circuit module and warning circuit module, wherein,
Whether said testing circuit module is used to detect the antitheft wire that is connected photovoltaic module and breaks off, and the output testing result is to said control circuit module;
Said control circuit module is used to receive the testing result that said testing circuit module is exported, and breaks off said control circuit module output alarm signal to said warning circuit module if said testing result is said antitheft wire;
Said warning circuit module is used to receive the alerting signal of said control circuit module output, and reports to the police;
Said testing circuit module, control circuit module and warning circuit module are connected in parallel on said both ends of power.
Preferably, said testing circuit module comprises detecting unit and resistance, wherein,
Said detecting unit comprises four connectivity ports at least, and wherein first connectivity port is connected with the two ends of said antitheft wire respectively with second connectivity port, and the 3rd connectivity port is connected with said positive source, and the 4th connectivity port is connected with power cathode through resistance;
When between said the 3rd connectivity port and said the 4th connectivity port during not conducting, said testing result is that antitheft wire breaks off; When between said the 3rd connectivity port and said the 4th connectivity port during conducting, said testing result is the antitheft wire conducting.
Preferably, said control circuit module comprises NPN type triode and relay coil, wherein,
The collector of NPN type triode is connected with an end of said relay coil, and emitter is connected with said positive source, and base stage is connected said the 4th connectivity port of said testing circuit module, and the other end of said relay coil is connected with power cathode.
Preferably, said the 4th connectivity port is connected with power cathode through two resistance in seriess, and said control circuit module comprises NPN type triode and relay coil, wherein,
The collector of NPN type triode is connected with an end of said relay coil, and emitter is connected with said positive source, and base stage is connected between said two resistance in seriess of said testing circuit module, and the other end of said relay coil is connected with power cathode.
Preferably, said warning circuit module comprises normal open switch and alarm, and wherein, an end of said normal open switch is connected with positive source, and the other end is connected with said power cathode through said alarm.
Preferably, said testing circuit module adopts the IC circuit.
Preferably, it is characterized in that said alarm adopts hummer.
The photovoltaic module anti-theft device that the utility model proposes; Comprise power supply, testing circuit module, control circuit module and warning circuit module; Testing circuit module, control circuit module and warning circuit module are connected in parallel on both ends of power; When the antitheft wire that is connected photovoltaic module was destroyed, testing circuit module output testing result was to control circuit module; Control circuit module is according to testing result output alarm signal to the warning circuit module of testing circuit module output; The warning circuit module is sent warning according to alerting signal.The photovoltaic module anti-theft device of the utility model can give the alarm when photovoltaic module is stolen.
Description of drawings
Fig. 1 is the synoptic diagram of the photovoltaic module anti-theft device of the utility model;
Fig. 2 is the circuit diagram that the photovoltaic module anti-theft device of the utility model adopts a resistance;
Fig. 3 is the circuit diagram that the photovoltaic module anti-theft device of the utility model adopts two resistance.
Embodiment
Stolen in order to prevent photovoltaic module; The utility model proposes a kind of photovoltaic module anti-theft device; Comprise power supply, testing circuit module, control circuit module and warning circuit module, referring to Fig. 1, testing circuit module, control circuit module and warning circuit module are connected in parallel on both ends of power; Whether the testing circuit module is used to detect the antitheft wire 100 that is connected photovoltaic module breaks off, and the output testing result is to control circuit module; Control circuit module is used to receive the testing result of said testing circuit module output, breaks off control circuit module output alarm signal to said warning circuit module if testing result is an antitheft wire 100; The warning circuit module is used for the alerting signal of reception control circuit module output, and sends warning.
Concrete; The testing circuit module comprises detecting unit and a resistance; Control circuit module comprises NPN type triode and relay coil, and the warning circuit module comprises normal open switch and alarm, and detecting unit wherein can be the IC circuit; Alarm can be can sounding or luminous element, for example hummer.The circuit diagram of the photovoltaic module anti-theft device of the utility model is seen Fig. 2; IC circuit 11 comprises four connectivity port A, B, C and D, and wherein, connectivity port A and B are connected the two ends of antitheft wire 10 respectively; Connectivity port C and 17 anodal connections of power supply; Connectivity port D is connected with power supply 17 negative poles through resistance 12, when antitheft wire 10 is destroyed and when breaking off, and not conducting between connectivity port C and the connectivity port D; When the antitheft wire conducting, conducting between connectivity port C and the connectivity port D.The collector of NPN type triode 13 is communicated with an end of relay coil 14, emitter and 17 anodal connections of power supply, and base stage is connected the connectivity port D of IC circuit, and the other end of relay coil 14 is connected with power supply 17 negative poles; One end of normal open switch 16 and 17 anodal connections of power supply, the other end is connected with power supply 17 negative poles through alarm 15.
Under the situation that the antitheft wire 10 that is connected photovoltaic module does not have to damage, conducting between the connectivity port C of testing circuit and the connectivity port D, connectivity port D exports high level, and NPN type triode ends, and relay is in release conditions, and alarm is not worked.When the antitheft wire that is connected photovoltaic module is damaged; Not conducting between connectivity port C and the connectivity port D; Connectivity port D output low level, the conducting of NPN type triode, thus make its normal open switch 16 closures of relay coil 14 excitation adhesives; Connect alarm 15 and power supply 17, so alarm 15 sends chimes of doom.Present embodiment gives the alarm after stolen at photovoltaic module, thereby reduces the loss of property.
Referring to Fig. 3, can comprise 2 resistance in the testing circuit module of the photovoltaic module anti-theft device of the utility model, IC circuit 21 comprises four connectivity port E, F, G and H; Wherein, Connectivity port E and F are connected the two ends of antitheft wire 20 respectively, and connectivity port G and 28 anodal connections of power supply, connectivity port H passes through two resistance in seriess 22 and is connected with power supply 28 negative poles with 23; When antitheft wire 10 is destroyed and breaks off, not conducting between connectivity port C and the connectivity port D; When the antitheft wire conducting, conducting between connectivity port G and the connectivity port H.The collector of NPN type triode 24 is communicated with an end of relay coil 25, emitter and 28 anodal connections of power supply, and base stage is connected the connectivity port H of IC circuit, and the other end of relay coil 25 is connected with power supply 28 negative poles; One end of normal open switch 27 and 28 anodal connections of power supply, the other end is connected with power supply 28 negative poles through alarm 26.
When the antitheft wire that is connected photovoltaic module is damaged; Not conducting between connectivity port G and the connectivity port H; Connectivity port H output low level, the conducting of NPN type triode, thus make relay coil excitation adhesive normal open switch 27 closures; Connect alarm 26 and power supply 28, so alarm sends chimes of doom.Present embodiment gives the alarm after stolen at photovoltaic module, thereby reduces the loss of property.
The utility model photovoltaic module anti-theft device when using, can on the frame of photovoltaic module, get through the hole, antitheft wire is connected on the testing circuit after from this through hole, passing.
The above only is the preferred embodiment of the utility model, is not the utility model is done any pro forma restriction.
Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art; Do not breaking away under the utility model technical scheme scope situation; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to the utility model technical scheme, or are revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from the utility model technical scheme, all still belongs in the scope of the utility model technical scheme protection any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.