CN203279295U

CN203279295U - Light intensity adjustable LED home lamp using CPLD to realize bluetooth remote control

Info

Publication number: CN203279295U
Application number: CN2013202985102U
Authority: CN
Inventors: 戴朝卿; 郑军; 樊艳
Original assignee: Zhejiang A&F University ZAFU
Current assignee: Zhejiang A&F University ZAFU
Priority date: 2013-05-24
Filing date: 2013-05-24
Publication date: 2013-11-06
Anticipated expiration: 2023-05-24

Abstract

Provided is a light intensity adjustable LED home lamp using a CPLD to realize bluetooth remote control. The LED home lamp comprises a control circuit (1) and an LED lamp (2). The control circuit (1) is formed by connecting an AC rectification circuit (1-1), a DC voltage converting circuit (1-2), a bluetooth transmitter-receiver circuit (1-3), and a CPLD control circuit (1-4). The LED lamp (2) comprises white light LEDs, and the LEDs are connected in series firstly and then are connected in parallel to form a rectangular LED array. Using the LED home lamp, the LED home lamp can be effectively controlled in a long distance, and anti-interference is good, and various functions of switching, timing switch, light intensity adjustment of the LED lamp can be realized. Various control devices can be used, a single remote control device can control a plurality of lamps, and a conventional switch is not needed, and meanwhile, the LED lamp is advantaged by energy conservation, environmental protection, and long life.

Description

Realize the light intensity adjustable LED household lamp of Bluetooth remote control with CPLD

Technical field

The utility model relates to a kind of household lamp, particularly relates to a kind of light intensity adjustable LED household lamp of realizing Bluetooth remote control with CPLD.

Background technology

The home lighting light fixture generally uses fluorescent lamp or electricity-saving lamp at present, compares with incandescent lamp, and their luminous efficiency is high, long service life, but the mercury of contaminated environment is contained in these two kinds of fluorescent tube inside, is unfavorable for environmental protection, and the fluorescent lamp energy consumption is higher, and two kinds of lamps all can not be regulated light intensity in addition.The utility model adopts CPLD to realize that bluetooth to the remote control of white light LEDs household lamp, has the following advantages, and utilizes the control program that writes the CPLD chip to realize abundant flexibly control function, need not other chips such as ROM, and peripheral circuit is simple, and monolithic stability is reliable; Bluetooth remote control mode strong interference immunity is not subject to other equipment and disturbs, and is difficult for disturbing other equipment yet; Remote control distance far reaches 10～100m; Can control single or multiple light fixtures by single remote, also can control single light fixture by a plurality of remote controllers; The remote controller equipment abundant species can be special-purpose blue Tooth remote controller, can be also any apparatus such as computer, the mobile phone etc. with bluetooth transceiver therein; The advantage of LED lamp is not mercurous, environmental protection; Energy consumption is low, and single white light LEDs power is generally 30～70mW; Luminous efficiency is high, and comprehensive light efficiency can reach 1001m/W; Long service life generally can reach 10,000 hours.The household lamp that adopts white light LEDs to make can pass through its operating voltage of change and electric current realization to the control of its light intensity, thereby changes the illumination light intensity of LED lamp; Can also realize regularly Push And Release of LED lamp, use more flexible.

The utility model content

The technical problems to be solved in the utility model is to provide a kind of light intensity adjustable LED household lamp of realizing Bluetooth remote control with CPLD.

The technical scheme that solves the problems of the technologies described above employing is:

this realizes the light intensity adjustable LED household lamp of Bluetooth remote control with CPLD, include control circuit and LED lamp, control circuit is by ac rectifier, DC voltage converting circuit, bluetooth transmission circuit and CPLD control circuit connect into, wherein ac rectifier is by transformer Tr, diode D4-D7, capacitor C 10-C13 and chip U3 form, DC voltage converting circuit is by capacitor C 14, C15 and chip U4 form, the bluetooth transmission circuit is by crystal oscillator X1, resistance R 1, R2, capacitor C 1-C9, inductance L 1, L2, chip U1 and antenna RF form, the CPLD control circuit is by crystal oscillator X2, resistance R 3-R10, diode D1-D3, triode Q1-Q3, relay K A1-KA3 and chip U2 form.

Described LED lamp is comprised of white light LEDs, and LED first connects and composes in parallel the strip LED array again.

The beneficial effects of the utility model are to adopt CPLD to realize control circuit, need not other chips such as ROM, and peripheral circuit is simple, and monolithic stability is reliable, utilize the control program that writes the CPLD chip to realize abundant flexibly control function; Adopt the blue teeth wireless signal as remote signal, its advantage is strong interference immunity, is not subject to other equipment and disturbs, and also is difficult for disturbing other equipment; Remote control distance far reaches 10～100m; Can control single or multiple light fixtures by single remote, also can control single light fixture by a plurality of remote controllers; The remote controller equipment abundant species can be special-purpose blue Tooth remote controller, can be also any apparatus such as computer, the mobile phone etc. with bluetooth transceiver therein; The advantage of LED lamp is that energy-conserving and environment-protective, luminous efficiency are high, long service life etc.; The utility model also has LED light adjustable, the function such as Push And Release regularly by force, uses more flexible.

Description of drawings

Fig. 1 is the utility model structure chart.

Fig. 2 is the utility model ac rectifier schematic diagram.

Fig. 3 is the utility model DC voltage converting circuit schematic diagram.

Fig. 4 is the utility model bluetooth transmission circuit schematic diagram.

Fig. 5 is the utility model CPLD control circuit and LED lamp schematic diagram.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing: referring to Fig. 2, after ac rectifier (1-1) passes through transformer Tr step-down with the 220V alternating voltage, carry out rectification by diode D4-D7, after capacitor C 10-C13 filtering and chip LM78H48 voltage stabilizing, output 48V direct voltage.

Referring to Fig. 3, DC voltage converting circuit (1-2) with the 48V direct voltage of ac rectifier (1-1) output after capacitor C 14, C15 filtering and chip AS1117-3.3 voltage stabilizing, output 3.3V direct voltage.

referring to Fig. 4, bluetooth transmission circuit (1-3) consists of take Bluetooth RF chip nRF2401 as core, its operating voltage is provided by the 3.3V direct voltage of DC voltage converting circuit (1-2) output, for preventing the high frequency noise jamming, 3.3V voltage is connected with three VDD pins after capacitor C 1 and C2 filtering, four VSS pin ground connection, for guaranteeing chip nRF2401 normal operation, pin IREF is through resistance R 2 ground connection, pin VSS_PA ground connection, pin DVDD is through capacitor C 3 ground connection, pin VDD_PA is through capacitor C 6 and C7 ground connection, pin XC1 and XC2 connect respectively crystal oscillator X1 and resistance R 1 two ends, simultaneously, pin XC1 is through capacitor C 5 ground connection, pin XC2 is through capacitor C 4 ground connection, for effectively receiving and dispatching the blue teeth wireless signal, antenna RF meets pin ANT1 through capacitor C 8, pin ANT2 is through capacitor C 9 ground connection, connect inductance L 1 between pin ANT1 and ANT2, connect inductance L 2 between pin ANT1 and VDD_PA, for with CPLD control circuit (1-4) efficient communication, pin PWR_UP, CE, CS, DR1, CLK1, DATA respectively with the pin 2 of CPLD control circuit (1-4) chips EPM7032AE, 3, 5, 6, 10, 11 connect.

referring to Fig. 5, CPLD control circuit (1-4) consists of take chip EPM7032AE as core, its operating voltage provides and is connected to four VCC pins by the 3.3V direct voltage of output in DC voltage converting circuit (1-2), four GND pin ground connection, pin EN and the VCC of crystal oscillator X2 connect 3.3V voltage, the pin GND ground connection of crystal oscillator X2, the output OUT of crystal oscillator X2 connects chip EPM7032AE pin 37 through resistance R 4, pin 39 connects 3.3V voltage through resistance R 3,

28, 27, 26 respectively through resistance R 5, R6, R7 meets triode Q1, Q2, the Q3 base stage, the Q1-Q3 grounded emitter, the Q1-Q3 collector electrode is connected with relay K A1-KA3 light current contact one end with diode D1-D3 is anodal respectively, diode D1-D3 negative pole all is connected with 3.3V voltage with the relay K A1-KA3 light current contact other end, relay K A1-KA3 forceful electric power contact one end ground connection, the forceful electric power contact other end is connected with the LED array negative pole through resistance R 8-R10 respectively, the anodal output 48V direct voltage that connects ac rectifier (1-1) of LED array.

Referring to Fig. 5, LED lamp (2) is comprised of white light LED array, and 12 LEDs series connection are one group, and three groups of series LEDs compose in parallel the strip LED array again.

Control of the present utility model can realize by any equipment with bluetooth transceiver therein, as special-purpose blue Tooth remote controller, or has equipment such as computer, the mobile phone etc. of bluetooth transceiver therein.If adopt the equipment such as computer, mobile phone to control, the control software by the Java language exploitation need to be installed in equipment, control step and comprise following:

(a) control appliance is searched the bluetooth equipment in light fixture;

(b) control appliance is selected to need the light fixture of remote control to match in the result of searching;

(c) control appliance selection function option " unlatching ", the LED lamp is bright;

(d) control appliance is regulated the light intensity of LED lamp, selects corresponding light intensity option " high light " (or " moderate ", " low light level "), the corresponding change of the light intensity of LED lamp on control appliance;

(e) control appliance selection function option " is closed ", and the LED lamp is closed;

(f) control appliance selection function option " time opening " (or " regularly closing "), after setting-up time, the LED lamp is regularly opened (or timed-shutoff).

Claims

1. light intensity adjustable LED household lamp of realizing Bluetooth remote control with CPLD, include control circuit (1) and LED lamp (2), it is characterized in that control circuit (1) is by ac rectifier (1-1), DC voltage converting circuit (1-2), bluetooth transmission circuit (1-3) and CPLD control circuit (1-4) connect into, wherein ac rectifier (1-1) is by transformer Tr, diode D4-D7, capacitor C 10-C13 and chip U3 form, DC voltage converting circuit (1-2) is by capacitor C 14, C15 and chip U4 form, bluetooth transmission circuit (1-3) is by crystal oscillator X1, resistance R 1, R2, capacitor C 1-C9, inductance L 1, L2, chip U1 and antenna RF form, CPLD control circuit (1-4) is by crystal oscillator X2, resistance R 3-R10, diode D1-D3, triode Q1-Q3, relay K A1-KA3 and chip U2 form.

2. the light intensity adjustable LED household lamp of realizing Bluetooth remote control with CPLD as claimed in claim 1, is characterized in that described LED lamp (2) is comprised of white light LEDs, and LED first connects and composes in parallel the strip LED array again.