CN207718776U - A kind of online failure warning system of LED display device - Google Patents

Abstract

A kind of online failure warning system of LED display device, it include the LED display device being cascaded as working power, several LED lamp beads using 110V DC power supplies, also there is Switching Power Supply, light-operated circuit, one-chip computer module, GPRS module, connected and be mounted in subassembly wrapper by conducting wire between Switching Power Supply, light-operated circuit, one-chip computer module, GPRS module.When the utility model is used, under light-operated circuit effect, evening LED display device automatic can obtain electroluminescence, accomplished to automatically control, saved electric energy.The utility model can be and GPRS module finished product establishes the manager connected, just turn oscillogram display APP by pre-installing existing mature technology, digital signal in mobile phone, after the digital signal of dynamic change is converted to oscillogram, it is whether normal that the work of distal end LED display device is grasped in time, can be repaired in time after discovery failure and be provided technical support.Based on above-mentioned, so the application prospect that the utility model has had.

Description

A kind of online failure warning system of LED display device

Technical field

The utility model is related to electrical control equipment field, the online fault alarm system of especially a kind of LED display device System.

Background technology

LED display device due to energy saving, good appearance, compact be widely used in the first-class use of decorative lighting.Existing mainstream The LED lamp bead of LED display device is generally powered using parallel operation mode, the Switching Power Supply output of LED display device when work The low voltage power supply of enough high currents is the LED lamp bead power supply that parallel connection LED shows equipment, and there are Switching Power Supplies in such use certainly The disadvantage that body loss is big, Low-voltage Line Loss is big, if in illumination after the damage of LED display device some of them LED lamp bead, remaining Electric current suffered by the LED lamp bead of LED display device will increase, since the electric current suffered by remaining LED lamp bead increases, LED light Pearl is limited self by electric current, is easy to cause remaining intact LED lamp bead damage.The lamp bead of LED display device is supplied using series connection Electricity efficiently solves parallel operation mode LED display device due to causing line loss big, opposite using low-voltage, high current power supply The shortcomings that remaining LED lamp bead is easily damaged after not energy-efficient, some LED lamp beads damage, still, the lamp bead of LED display device is adopted It having one disadvantage in that with series-fed, the wholly off work of remaining LED lamp bead can be led to after damaging by being exactly a wherein LED lamp bead, It, can be to the use of LED display device when LED display device application is broken down outdoors, administrative staff do not have found in time Effect impacts.

Utility model content

In order to overcome the LED lamp bead of existing LED display device to use various drawbacks, this practicality existing for series-fed mode It is novel to provide when LED display device is not damaged and is damaged, under one-chip computer module effect, GPRS module Digital signal can be sent through mobile radio network, to establish the manager of connection with GPRS module, pass through mobile phone Interior existing mature technology, the digital signal pre-installed just turns oscillogram display APP, and the digital signal of dynamic change is converted to wave Whether after shape figure, it is normal to grasp the work of distal end LED display device in time, finds to repair in time after failure to provide skill A kind of online failure warning system of LED display device of art support.

Technical solution adopted by the utility model to solve its technical problems is：

A kind of online failure warning system of LED display device, if including using 110V DC power supplies as working power, The LED display device that dry LED lamp bead is cascaded, it is characterised in that also there is Switching Power Supply, light-operated circuit, microcontroller mould Block, GPRS module, Switching Power Supply, light-operated circuit, one-chip computer module, GPRS module are mounted in subassembly wrapper, subassembly wrapper front side end There are one trepanning, the power inputs of Switching Power Supply to be connected by conducting wire with 220V AC powers at middle part, and Switching Power Supply has three First via power output end anode and light-operated circuit the control power input of road power output end, Switching Power Supply are connected by conducting wire It connects, light-operated circuit control power output end is connected with the power input anode of LED display device by conducting wire, Switching Power Supply First via power output end cathode is connected with the power input cathode of LED display device by conducting wire, and the second of Switching Power Supply Positive and negative polarities power input of the power output end positive and negative the two poles of the earth in road respectively with one-chip computer module, GPRS module is connected by conducting wire It connects, the anode connection of last LED lamp bead of 1 foot of one-chip computer module input end of analog signal and LED display device, microcontroller 2 foot of module by signal input terminal is connected with the first via power output end cathode of Switching Power Supply by conducting wire, one-chip computer module RS485 output ports are connected with the RS485 input ports of GPRS module by RS485 data lines, the third road electricity of Switching Power Supply The positive and negative the two poles of the earth of source output terminal are connected with the positive and negative polarities power input of light-operated circuit by conducting wire respectively.

The Switching Power Supply is to export 110V DC power supplies with first via power output end, and the second road power output end is defeated Go out 24V DC power supplies, third road power output end exports the switch power module finished product of 5V DC power supplies.

The light-operated circuit include adjustable resistance, photo resistance, resistance, polar capacitor, NPN triode, PNP triode and Relay is connected by circuit board wiring therebetween, adjustable resistance one end and resistance one end, polar capacitor anode, PNP triode hair Emitter-base bandgap grading connects, and the adjustable resistance other end is connected with photo resistance one end, NPN transistor base, NPN triode collector and resistance The other end, polar capacitor cathode, the connection of PNP triode base stage, PNP triode collector and relay cathode power supply input terminal connect It connects, the photo resistance other end and NPN triode emitter, relay negative power supply input end grounding, the light-receiving surface of photo resistance On the outside of trepanning in the middle part of subassembly wrapper front side end, in favor of the light outside reception.

The one-chip computer module is the one-chip computer module finished product that main control chip is STC12C5A60S2, one-chip computer module finished product Operating voltage is direct current 24V, there is one group of 1 foot of analog signal incoming end and 2 feet, one-chip computer module finished product on one-chip computer module finished product It is upper that there are one the analog voltages that RS485 data-out ports, one-chip computer module can input 1 foot of analog signal incoming end and 2 feet Signal is converted to digital signal and is exported through RS485 data-out ports.

The GPRS module is the GPRS module finished product of model Air202T, and Air202T modules have four road working frequency range, Working frequency range is respectively：GSM850MHz, GSM900MHz, DCS1800MHz and PCS1900MHz have on GPRS module finished product RS485 data-in ports.

The utility model advantageous effect is：When the utility model is used, Switching Power Supply first via power output end exports After 110V DC power supplies, under light-operated circuit effect, evening LED display device automatic can obtain electroluminescence, accomplish to automatically control, Save electric energy.In work, when evening LED display device work once electrified shines, last LED lamp bead of LED display device The analog current signal exported at anode can enter 1 foot of one-chip computer module signal input part, make in one-chip computer module internal circuit Under, one-chip computer module signal output end output digit signals enter GPRS module signal input part；When its of LED display device In after the damage of LED lamp bead, whole LED lamp beads can dead electricity stop shining, this moment, last LED light of LED display device The analog current signal exported at the anode of pearl is zero, and no current signal enters 1 foot of one-chip computer module signal input part.Work as list After the RS485 data-out port output digit signals of piece machine module enter GPRS module signal input part, GPRS module at Under the effect of product internal circuit, GPRS module finished product launches the digital signal of input through mobile radio network；With GPRS moulds Block finished product establishes the manager of connection, and by pre-installing existing mature technology in mobile phone, digital signal height turns oscillogram and shows APP, whether after the digital signal of dynamic change is converted to oscillogram, it is normal to grasp the work of distal end LED display device in time, When LED display device does not have lamp bead damage, GPRS module can launch digital signal, and this moment, administrative staff's cell phone application is shown Oscillogram wave crest be high level, then, administrative staff can intuitively know that LED display device is in normal operating conditions；Work as LED When display equipment has lamp bead damage, GPRS module will not launch digital signal, this moment, the wave that administrative staff's cell phone application is shown Shape figure wave crest is minimum, then, administrative staff can intuitively know that LED display device is in malfunction, to carry out in time Repair.In actual use, existing mature technology, digital signal are pre-installed in mobile phone and is just turned under oscillogram display APP effects, Administrative staff can manage several place's LED display devices simultaneously.The utility model can be and GPRS module finished product establishes the manager connected, Turn oscillogram display APP by pre-installing existing digital signal height in mobile phone, the digital signal of dynamic change is converted into wave After shape figure, whether the work of grasp distal end LED display device is normal in time, and the technology of providing can be repaired in time after finding failure Support.Based on above-mentioned, so the application prospect that the utility model has had.

Description of the drawings

The utility model is described further with reference to the accompanying drawings and examples.

Fig. 1 is the utility model structure diagram.

Fig. 2 is the circuit diagram of the utility model.

Specific implementation mode

Shown in Fig. 1, a kind of online failure warning system of LED display device, including use 110V DC power supply conducts The LED display device that working power, several LED lamp beads are cascaded also has Switching Power Supply 1, light-operated circuit 2, monolithic Machine module 3, GPRS module 4, Switching Power Supply 1, light-operated circuit 2, one-chip computer module 3, GPRS module 4 are mounted in subassembly wrapper 5, member There are one trepanning 5-1 in the middle part of 5 front side end of part box.

Shown in Fig. 2, Switching Power Supply A1 is to export 110V DC power supplies, the second road power supply with first via power output end Output end exports 24V DC power supplies, and third road power output end exports the switch power module finished product of 5V DC power supplies.Light-operated electricity Road includes adjustable resistance RP1, photo resistance RL, resistance R1, polar capacitor C1, NPN triode Q1, PNP triode Q2 and relay Device J1, is connected by circuit board wiring therebetween, one ends RP1 of adjustable resistance and the one end resistance R1, polar capacitor C1 anodes, PNP tri- Pole pipe Q2 emitters connect, and the adjustable resistance RP1 other ends are connected with the one end photo resistance RL, NPN triode Q1 base stage, NPN tri- Pole pipe Q1 collectors are connected with the resistance R1 other ends, polar capacitor C1 cathode, PNP triode Q2 base stages, PNP triode Q2 current collections Pole is connected with relay J1 cathode power supply input terminals, and the photo resistance RL other ends and NPN triode Q1 emitter, relay J1 are negative The light-receiving surface of pole power input ground connection, photo resistance RL is located in the middle part of subassembly wrapper front side end on the outside of trepanning, outer in favor of receiving The light in portion.One-chip computer module A2 is the one-chip computer module finished product that main control chip is STC12C5A60S2, one-chip computer module finished product A2 operating voltages are direct current 24V, there is one group of 1 foot of analog signal incoming end and 2 feet, one-chip computer module on one-chip computer module finished product A2 RS485 data-out ports there are one on finished product A2, what one-chip computer module A2 can input 1 foot of analog signal incoming end and 2 feet Analog voltage signal is converted to digital signal and is exported through RS485 data-out ports.GPRS module A3 is model Air202T There are four road working frequency range, working frequency range to be respectively for GPRS module finished product, Air202T modules：GSM850MHz, GSM900MHz, DCS1800MHz and PCS1900MHz has RS485 data-in ports on GPRS module finished product.

Shown in Fig. 2,1 and 2 feet and 220V alternating currents of the power input switch power module finished product A1 of Switching Power Supply Source is connected by conducting wire.Switch power module finished product A1 have three-way power output end, the first of switch power module finished product A1 Positive 3 feet of road power output end and light-operated circuit control power input relay J1 control power inputs are connected by conducting wire It connects.Light-operated circuit controls the power input LED1 anodes of power output end relay J1 normally opened contacts end and LED display device It is connected by conducting wire.4 foot of first via power output end cathode of switch power module finished product A1 and the power supply of LED display device are defeated Enter cathode is held to connect by conducting wire.Positive and negative 5 and 6 foot of the two poles of the earth difference of the second road power output end of switch power module finished product A1 Pass through with one-chip computer module A2 positive and negative polarities power input 1 and 2 feet, the positive and negative polarities power input 1 of GPRS module and 2 feet Conducting wire connects.1 foot of one-chip computer module A2 input end of analog signal and last LED lamp bead LEDN of LED display device are just Pole connects, and 4 foot of first via power output end cathode of 2 foot of one-chip computer module A2 signal input parts and Switching Power Supply is connected by conducting wire It connects.The RS485 output ports of one-chip computer module A2 are connected with the RS485 input ports of GPRS module A3 by RS485 data lines. Positive and negative 7 and 8 foot of the two poles of the earth of third road power output end of switch power module finished product A1 is electric with the positive and negative polarities of light-operated circuit respectively Source one end input terminal adjustable resistance RP1, NPN triode Q1 emitter are connected by conducting wire.

Shown in Fig. 2, in light-operated circuit：When daytime, photo resistance RL is illuminated by the light resistance value reduction, photo resistance RL partial pressures Voltage is high, and the base voltage that NPN triode Q1 is entered through adjustable resistance RP1 is less than 0.7V starting voltages, and NPN triode Q1 is in Cut-off state, PNP triode Q2 is in cut-off state, relay J1 is in power failure state, the power input of LED display device LED1 anodes are in power failure state, LED display device on daytime does not work；When evening, photo resistance RL is illuminated by the light intensity low resistance Value is got higher, and photo resistance RL branch pressure voltages are lower, and the base voltage that NPN triode Q1 is entered through adjustable resistance RP1 is higher than 0.7V Starting voltage, then, under peripheral component resistance R1, polar capacitor C1 collective effects, NPN triode Q1, PNP triode Q2 phases Obtaining electric actuation after conducting, relay J1, it controls power input and normally opened contact end closure；Due to relay J1 normally opened contacts End is connected with the power input anode of LED display device by conducting wire, so evening LED display device automatic can obtain electric hair Light, daytime are automatically stopped work, have accomplished to automatically control, and save electric energy.In work, evening LED display device work once electrified hair Light time, last LED lamp bead LEDN of LED display device anode place output analog current signal can enter microcontroller mould 1 foot of block A2 signal input parts, under the effect of one-chip computer module A2 internal circuits, one-chip computer module A2 signal output ends output number Signal enters GPRS module A3 signal input part RS485 data-in ports through RS485 data lines；When its of LED display device In after the damage of LED lamp bead, whole LED lamp beads can dead electricity stop shining, this moment, last LED light of LED display device The analog current signal exported at the anode of pearl LEDN is zero, and no current signal enters one-chip computer module A2 signal input parts 1 Foot.After the RS485 data-out port output digit signals of one-chip computer module A2 enter GPRS module A3 signal input parts, Under the effect of GPRS module finished product A3 internal circuits, GPRS module finished product A3 emits the digital signal of input through mobile radio network It goes out；The manager that connection is established with GPRS module finished product, by pre-installing existing mature technology, digital signal height in mobile phone Turn oscillogram and show APP, after the digital signal of dynamic change is converted to oscillogram, distal end LED display device can be grasped in time Whether work is normal, and when LED display device does not have lamp bead damage, GPRS module A3 can launch digital signal, this moment, administrator The oscillogram wave crest that member's cell phone application is shown is high level, then, administrative staff can intuitively know that LED display device is in normal Working condition；When LED display device has lamp bead damage, GPRS module A3 will not launch digital signal, this moment, administrative staff The oscillogram wave crest that cell phone application is shown is minimum, then, administrative staff can intuitively know that LED display device is in failure shape State, to repair in time.In actual use, existing mature technology is pre-installed in mobile phone, digital signal height turns waveform Figure shows under APP effects that administrative staff can manage several place's LED display devices simultaneously.The utility model can be and GPRS module finished product A3 establishes the manager of connection, turns oscillogram display APP by pre-installing existing digital signal height in mobile phone, by dynamic change Digital signal be converted to oscillogram after, in time grasp distal end LED display device work it is whether normal, find failure after can in time It repairs and provides technical support.

Shown in Fig. 2, Switching Power Supply A1 is that alternating current 220V turns direct current 6V switch power module finished products, and model is SM- DLK17A, output current are 1A.In light-operated circuit：Adjustable resistance RP1 specifications are 470K；Photo resistance RL models are G44-03； Resistance R1 resistance values are 10K；Polar capacitor C1 models are 4.7 μ F/25V；NPN triode Q1 model is 9013；PNP triode Q2 types Number it is 9012；Relay J1 is DC6V4123 type miniature relays.

The present embodiment is the utility model preferred embodiments, is not intended to limit the utility model, all in the present embodiment principle Any modification, equivalent substitution, improvement and etc. are done in range, should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of online failure warning system of LED display device, including using 110V DC power supplies as working power, several The LED display device that LED lamp bead is cascaded, it is characterised in that also there is Switching Power Supply, light-operated circuit, microcontroller mould Block, GPRS module, Switching Power Supply, light-operated circuit, one-chip computer module, GPRS module are mounted in subassembly wrapper, the electricity of Switching Power Supply Source input terminal is connected with 220V AC powers by conducting wire, the first via power output end anode of Switching Power Supply and light-operated circuit control Power input processed is connected by conducting wire, and light-operated circuit controls power output end and the power input anode of LED display device It is connected by conducting wire, the first via power output end cathode of Switching Power Supply and the power input cathode of LED display device pass through Conducting wire connects, second positive and negative the two poles of the earth of road power output end of Switching Power Supply respectively with one-chip computer module, GPRS module positive and negative two Pole power input is connected by conducting wire, 1 foot of one-chip computer module input end of analog signal and LED display device last The first via power output end cathode of the anode connection of LED lamp bead, 2 foot of one-chip computer module signal input part and Switching Power Supply passes through Conducting wire connects, and the RS485 output ports of one-chip computer module and the RS485 input ports of GPRS module are connected by RS485 data lines It connects, third road positive and negative the two poles of the earth of power output end of Switching Power Supply pass through with the positive and negative polarities power input of light-operated circuit respectively Conducting wire connects.

2. a kind of online failure warning system of LED display device according to claim 1, it is characterised in that Switching Power Supply First via power output end exports 110V DC power supplies, and the second road power output end exports 24V DC power supplies, and three-way power is defeated Outlet exports 5V DC power supplies.

3. a kind of online failure warning system of LED display device according to claim 1, it is characterised in that light-operated circuit Including adjustable resistance, photo resistance, resistance, polar capacitor, NPN triode, PNP triode and relay, pass through circuit therebetween Plate wiring connection, adjustable resistance one end and resistance one end, polar capacitor anode, PNP triode emitter connect, and adjustable resistance is another One end is connected with photo resistance one end, NPN transistor base, and NPN triode collector and the resistance other end, polar capacitor are negative Pole, the connection of PNP triode base stage, PNP triode collector are connected with relay cathode power supply input terminal, the photo resistance other end It is located in subassembly wrapper front side end with the light-receiving surface of NPN triode emitter, relay negative power supply input end grounding, photo resistance On the outside of portion's trepanning.

4. a kind of online failure warning system of LED display device according to claim 1, it is characterised in that microcontroller mould Block main control chip is STC12C5A60S2.

5. a kind of online failure warning system of LED display device according to claim 1, it is characterised in that GPRS module Model is Air202T.