CN202475870U

CN202475870U - LED (Light Emitting Diode) streetlamp

Info

Publication number: CN202475870U
Application number: CN2012200449549U
Authority: CN
Inventors: 李子平; 曾颖; 邹海
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-13
Filing date: 2012-02-13
Publication date: 2012-10-03
Anticipated expiration: 2022-02-13

Abstract

The utility model relates to an LED (Light Emitting Diode) streetlamp, belonging to the technical field of lighting equipment. The LED streetlamp comprises a 36V constant voltage power supply module, a regulating and control module, a timing and counting module and a lamp set inserting and pulling module, and is characterized in that the output end of the 36V constant voltage power supply module is connected with the regulating and control module, the timing and counting module and the lamp set inserting and pulling module respectively; and a constant working voltage can be provided; a counting display module is connected with a switch of the 36V constant voltage power supply module and an oscillating circuit A point, thereby ensuring that the 36V constant voltage power supply module can work stably and reliably. A control chip of the regulating and control module is connected with a level control end B point of the lamp set inserting and pulling module, thereby realizing the remote monitoring and regulating the brightness of the streetlamp and the number of the streetlamps which are powered on. Both a RC (Remote Control) time delay circuit of the timing and counting module and each lamp set of the lamp set inserting and pulling module can be inserted or pulled out, thereby being convenient to set different on-off periods according to the different seasons. The LED streetlamp is less in electricity consumption, convenient to install, long in service life, good in illumination effect and is applicable to LED streetlamps of 36V under 400W.

Description

A kind of LED street lamp

Technical field

The utility model relates to a kind of LED street lamp, belongs to technical field of lighting fixtures.

Background technology

Along with the quickening of Urbanization in China, the relation of road lighting and people's productive life is more and more closer, and street lamp becomes the important component part that illuminates city, beautifying city.The normal luminous high-pressure sodium lamp of 360 degree that adopts of traditional street lamp, the lamp body of high-pressure sodium lamp is fragile, installs, changes trouble, and can not regulate and control the number of lamplight brightness and bright lamp as required, and light loss is big, causes the significant wastage of the energy.In addition, owing to must adopt high voltage supply to keep illumination, use high-pressure sodium lamp to have serious Electrical Safety hidden danger.

Summary of the invention

The purpose of the utility model is, a kind of employing modularized design is provided, and volume is little, and area of dissipation is big, but the number of remote monitoring, free adjustment lamplight brightness and bright lamp; Little power consumption, light efficiency are high, the life-span is long, simple to operate, safe and reliable; Solve prior art and install, change trouble; Brightness and bright lamp number can not be regulated and control; Because of causing energy waste and high voltage supply greatly, light loss uses the LED street lamp of unsafe problems.

The utility model is to realize above-mentioned purpose through following technical scheme:

This LED street lamp is made up of 36 volts of constant voltage supply modules, regulation and control module, timer counter module, lamp group plug-in module; It is characterized in that: the output of 36 volts of constant voltage supply modules is connected with regulation and control module, timer counter module, lamp group plug-in module respectively, and its input connects ac-dc converter circuit; The regulation and control module comprises that control chip, data serial ports, protocol converter, button K1～K5, seven segment digital tubes, five couchers make power supply; The data serial ports is connection protocol transducer, computer respectively; 9 pin of protocol converter, 10 pin connect 10 pin, 11 pin of control chip respectively, the corresponding button K1～K5 that connects of 1～5 pin of control chip, and 9 pin of control chip, button K1～K5 and five couchers are connected in parallel as power supply; 17 pin of control chip are that P3.7 is connected with the control of Electric potentials end B point of lamp group plug-in module, and its 33～39 pin is connected seven segment digital tubes respectively with 21～27 pin; The timer counter module comprise 555 timing chips, the counting display module, ten second of the three ten-day periods of the hot season working power; 6 pin, 7 pin of 555 timing chips are connected in parallel to the RC delay circuit, and the RC delay circuit can plug; The counting display module is made up of 74LS121, two 74LS160, two 74LS48, two seven segment digital tubes, and 5 pin of the 74LS121 of counting display module are connected with 3 pin of 555 timing chips; 11～14 pin of two 74LS160 of counting display module connect 6 pin, 2 pin, 1 pin, 7 pin of two 74LS48 respectively; 9～15 pin of two 74LS48 connect seven segment digital tubes respectively, and output pin 4 pin of 74LS48 are connected with the control of Electric potentials end A point of the switch oscillating circuit of 36 volts of constant voltage supply modules; 14 pin of 4 pin of 555 timing chips and 8 pin, counting display module 74LS121 and 16 pin of 9 pin, 74LS160 be connected respectively ten second of the three ten-day periods of the hot season working power; Lamp group plug-in module carries six LED lamp pearls that constant-current source chip for driving, power equate lamp group that forms that is connected in series by 1～30 group to be formed, and the circuit connection of every group of lamp group is identical, and every group of lamp group all can plug; The emitter e of the triode T2 of constant-current source chip for driving is connected with the positive pole of LED lamp pearl, and 17 pin that its base stage b control of Electric potentials end is the B point through lead and the control chip of regulation and control module are that P3.7 is connected.

The utility model beneficial effect compared with prior art is:

This LED street lamp adopts 36 volts of constant voltage supply modules that stable operating voltage is provided, and is safe and reliable, and the LED street lamp that is fit to all the 36V power supplies below the 400W uses.The modularized design of regulation and control, timer counter, the plug of lamp group makes that this LED street lamp volume is little, and the light divergence is little, is equipped with aluminum grid type fin, and area of dissipation is big, and radiating effect is obvious.Through the data-interface and the control chip of regulation and control module, can realize the group number of the brightness of remote monitoring and free adjustment street lamp, bright lamp.The RC delay circuit of timer counter module can directly plug, and according to the difference in season, can be provided with and different light and extinguish the cycle.Solve the prior art installation, changed trouble; Brightness and bright lamp number can not be regulated and control; Because of causing energy waste and high voltage supply greatly, light loss uses unsafe problem; Each lamp group of lamp group plug-in module is 6 LED lamp pearls of 1W compositions that are serially connected by carrying constant-current source chip for driving, power, same brightness, and power consumption has only the half the of common energy-saving lamp, has effectively saved the energy.Simple to operation, long service life, good illumination effect.

Description of drawings

Fig. 1 is a kind of operation principle sketch map of LED street lamp;

Fig. 2 is a kind of fundamental diagram of 36 volts of constant voltage supply modules of LED street lamp;

Fig. 3 is a kind of fundamental diagram of regulation and control module of LED street lamp;

Fig. 4 is a kind of fundamental diagram of timer counter module of LED street lamp;

Fig. 5 is a kind of fundamental diagram of lamp group plug-in module of LED street lamp.

Among the figure: 1,36 volts of constant voltage supply modules, 2, the regulation and control module, 3, the timer counter module, 4, lamp group plug-in module, 5, ac-dc converter circuit; 6, switch oscillating circuit, 7, control chip, 8, the data serial ports, 9, protocol converter, 10, button K1～K5; 11, seven segment digital tubes, 12,555 timing chips, 13, the RC delay circuit, 14 counting display modules; 15, five couchers are made power supply, 16, ten second of the three ten-day periods of the hot season working power, 17, computer, 18, the constant-current source chip for driving.

Embodiment

Be described in detail below in conjunction with the execution mode of accompanying drawing the utility model:

This LED street lamp is made up of 36 volts of constant voltage supply modules 1, regulation and control module 2, timer counter module 3, lamp group plug-in module 4; The output of 36 volts of constant voltage supply modules 1 is connected with regulation and control module 2, timer counter module 3, lamp group plug-in module 4 respectively, and its input connects ac-dc converter circuit 5; Regulation and control module 2 comprises that control chip 7, data serial ports 8, protocol converter 9, button K1～K510, two seven segment digital tubes 11, five couchers make power supply 15; Data serial ports 8 is connection protocol transducer 9, computer 17 respectively; 9 pin of

protocol converter

9,10 pin connect 10 pin, 11 pin of control chip 7 respectively, the corresponding button K1～K510 that connects of 1～5 pin of

control chip

7, and 9 pin of control chip 7, button K1～K510 and five couchers are made power supply 15 and are connected in parallel; 17 pin of control chip 7 are that P3.7 is connected with the control of Electric potentials end B point of lamp group plug-in module 4, and its 33～39 pin is connected seven segment digital tubes 11 respectively with 21～27 pin; Timer counter module 3 comprise 555 timing chips 12, counting display module 13, ten second of the three ten-day periods of the hot season working power 16; 6 pin, 7 pin of 555 timing chips 12 are connected in parallel to RC delay circuit 14, and RC delay circuit 14 can plug; Counting display module 13 is made up of 74LS121, two 74LS160, two 74LS48, two seven segment digital tubes, and 5 pin of the 74LS121 of counting display module 13 are connected with 3 pin of 555 timing chips; 11～14 pin of two 74LS160 of counting display module 13 connect 6 pin, 2 pin, 1 pin, 7 pin of two 74LS48 respectively; 9～15 pin of two 74LS48 connect seven segment digital tubes 11 respectively, and output pin 4 pin of 74LS48 are connected with the control of Electric potentials end A point of the switch oscillating circuit 6 of 36 volts of constant voltage supply modules 1; 14 pin of the 74LS121 of 4 pin of 555

timing chips

12 and 8 pin, counting

display module

13 and 16 pin of 9 pin, 74LS160 be connected respectively ten second of the three ten-day periods of the hot season working power 16; Lamp group plug-in module 4 carries six LED lamp pearls that constant-current source chip for driving 18, power equate lamp group that forms that is connected in series by 1～30 group to be formed, and the circuit connection of every group of lamp group is identical, and every group of lamp group all can plug; The emitter e of the triode T2 of constant-current source chip for driving 18 is connected with the positive pole of LED lamp pearl, and 17 pin that the base stage b control of Electric potentials end of triode T2 is the B point through lead and the control chip 7 of regulation and control module 2 are that P3.7 is connected.(referring to accompanying drawing 1～5)

Lamp group on the lamp group plug-in module 4 can be done corresponding increase and decrease adjustment through inserting or extracting to the lamp group according to the configuring condition of street lamp kerve.

Regulation and control module 2: the K1～K510 that pushes button, change the current potential of 1～5 pin of 8031 control chips 7, the input binary code after handling through 8031 control chips 7, is that P3.7 output analog signal is come bright time of Control Allocation lamp and brightness through its 17 pin.The concrete numeral of seven segment digital tubes bright time of 11 display lamps.The data serial ports 8 (D connector) that disposes RS485 is connected with computer 17; Protocol converter 9 (model MAX232D) transfers to 8031 control chips 7 with the control signal conversion of the computer 17 that data serial ports 8 inserts, and realizes remote monitoring and the brightness of free adjustment street lamp and the group number of bright lamp.

36 volts of constant voltage supply modules 1: its power output can reach 400W, and ripple coefficient provides 36 volts of reliable and stable input service voltages can for regulation and control module 2, timer counter module 3, lamp group plug-in module 4 less than 100mv.After regulation and control module 2, timer counter module 3 power supply reduction voltage circuit is separately handled, its obtain respectively five stable couchers do power supply 15, ten second of the three ten-day periods of the hot season working power 16.

Timer counter module 3: adopt LM555 timing chip 12, the RC delay circuit 14 that its 6 pin, 7 pin connect is designed to connect-disconnect structure, through plug RC delay circuit 14 may command timing cycles.4 pin of the 74LS48 of counting display module 13 are control voltage output pins; The control voltage of the 4 pin output of 74LS48 inserts the A point of the switch oscillating circuit 6 of 36 volts of constant voltage supply modules 1; Height with the switch current potential of control switch oscillating circuit 6; And then control oscillation circuit work, guarantee the normal output of 36 volts of constant voltage sources.

Lamp group plug-in module 4: be made up of 1～30 lamp group, each lamp group all carries constant-current driven chip 18, and is formed by the LED lamp pearl serial connection that six power are 1W; The circuit structure of 30 lamp groups, connected mode, identical, interchangeable, the alternative use of operation principle; Can pull out the lamp group that increases or reduce on the lamp group plug-in module 4 through insertion simultaneously.But maximum 30 lamp groups of attaching on the lamp group plug-in module 4.The emitter e of the triode T2 of constant-current driven chip 18 is connected with the positive pole of the LED lamp pearl that six polyphones connect, and the supply current of every group of lamp pearl is 300～310mA.Its base stage b is that control of Electric potentials end B is P3.7 through 17 pin that lead is connected to the control chip 7 of regulation and control module 2; Through 17 pin is the output current of the triode T2 of the current potential of the P3.7 lamp group of just controlling lamp group plug-in module 4; With the brightness of control break lamp pearl or turn off the light; Simultaneously, 15,16,17 pin through control chip 7 are the internal signal jumper connection between P3.5, P3.6, P3.7, can control the brightness of single group or several groups of lamp groups flexibly or turn off the light.(referring to accompanying drawing 1～5)

The seven segment digital tubes 11 of assembling on regulation and control module 2 and the timer counter module 3, model, structure are identical, interchangeable use.

Aluminum grid type fin is adopted in the heat radiation of this LED street lamp, and area of dissipation is big, and radiating effect is obvious.

The above is the embodiment of this utility model; The above-mentioned flesh and blood that illustrates not the utility model constitutes restriction; Under the those of ordinary skill of technical field after having read this specification, can make an amendment or be out of shape above-mentioned embodiment, and do not deviate from the essence and the scope of the utility model.

Claims

1. LED street lamp; It is made up of 36 volts of constant voltage supply modules (1), regulation and control module (2), timer counter module (3), lamp group plug-in module (4); It is characterized in that: the output of 36 volts of constant voltage supply modules (1) is connected with regulation and control module (2), timer counter module (3), lamp group plug-in module (4) respectively, and its input connects ac-dc converter circuit (5); Regulation and control modules (2) comprise that control chip (7), data serial ports (8), protocol converter (9), button K1～K5 (10), seven segment digital tubes (11), five couchers make power supply (15); Data serial ports (8) is connection protocol transducer (9), computer (17) respectively; 9 pin of protocol converter (9), 10 pin connect 10 pin, 11 pin of control chip (7) respectively; The corresponding button K1～K5 (10) that connects of 1～5 pin of control chip (7), 9 pin of control chip (7), button K1～K5 (10) make power supply (15) with five couchers and are connected in parallel; 17 pin of control chip (7) are that P3.7 is connected with the control of Electric potentials end B point of lamp group plug-in module (4), and its 33～39 pin is connected seven segment digital tubes (11) respectively with 21～27 pin; Timer counter module (3) comprises 555 timing chips (12), counting display module (13), ten working powers second of the three ten-day periods of the hot season (16); 6 pin of 555 timing chips (12), 7 pin are connected in parallel to RC delay circuit (14), and RC delay circuit (14) can plug; Counting display module (13) is made up of 74LS121, two 74LS160, two 74LS48, two seven segment digital tubes (11), and 5 pin of the 74LS121 of counting display module (13) are connected with 3 pin of 555 timing chips (12); 11～14 pin of two 74LS160 of counting display module (13) connect 6 pin, 2 pin, 1 pin, 7 pin of two 74LS48 respectively; 9～15 pin of two 74LS48 connect seven segment digital tubes (11) respectively, and output pin 4 pin of 74LS48 are connected with the control of Electric potentials end A point of the switch oscillating circuit (6) of 36 volts of constant voltage supply modules (1); 4 pin of 555 timing chips (12) are connected ten working powers second of the three ten-day periods of the hot season (16) respectively with 8 pin, 14 pin of counting display module (13) 74LS121 and 16 pin of 9 pin, 74LS160; Lamp group plug-in module (4) carries six LED lamp pearls that constant-current source chip for driving (18), power equate lamp group that forms that is connected in series by 1～30 group to be formed, and the circuit connection of every group of lamp group is identical, and every group of lamp group all can plug; The emitter e of the triode T2 of constant-current source chip for driving (18) is connected with the positive pole of LED lamp pearl, and 17 pin that its base stage b control of Electric potentials end is the B point through lead and the control chip (7) of regulation and control modules (2) are that P3.7 is connected.