CN202026515U

CN202026515U - Dimming device of filament lamp and low-voltage halogen lamp based on electric link bus

Info

Publication number: CN202026515U
Application number: CN2011201554213U
Authority: CN
Inventors: 吴亮
Original assignee: BEIJING HAOTIAN RONGZHI ELECTRICAL TECHNOLOGY Co Ltd
Current assignee: BEIJING HAOTIAN RONGZHI ELECTRICAL TECHNOLOGY Co Ltd
Priority date: 2011-05-16
Filing date: 2011-05-16
Publication date: 2011-11-02
Anticipated expiration: 2021-05-16

Abstract

The utility model relates to a dimming device of a filament lamp and a low-voltage halogen lamp based on an electric link bus, comprising a bus interface module, a main control chip (MC9S08AW32), a power switching circuit, a zero-cross detection circuit, two trigger control circuits and a dimming executive circuit, wherein the bus interface module takes charge of communicating with a system bus, receives a dimming message from the bus, transfers the dimming message to the main control chip and returns response signals of the main control chip to a bus network; the main control chip regulates and controls an illumination device through the dimming circuit according to a command; the power switching circuit takes charge of switching an external direct current 24V power into a bus power supply and a data power supply which are needed by the system bus and a work power supply of each chip; and the dimming executive circuit respectively regulates and controls circuits of the filament lamp and the low-voltage halogen lamp. In the utility model, one device can control and regulate different light medium simultaneously and effectively through an electric link bus platform; and the dimming device of the filament lamp and the low-voltage halogen lamp based on the electric link bus has the advantages of steady dimming and easy control.

Description

Incandescent lamp and low pressure halogen lamp dimming device based on electric thing connection bus

Technical field

The utility model relates to the light modulating device of a kind of incandescent lamp and low pressure halogen lamp, especially a kind of incandescent lamp and low pressure halogen lamp dimming device based on electric thing connection bus.

Background technology

Electric thing connection bus (Electric Link Bus) is a kind of field bus technique.It integrates equipment such as the central air conditioning equipment in the building, electric switch equipment, lighting equipment, energy conservation, video monitoring, security protection, environmental monitoring, by unified network bus structure and controlling platform, realize centralized monitor and management to these equipment.

Wherein, in lighting equipment, the incandescent lamp that relates to and low pressure halogen lamp etc. has range of application very widely, especially for the needs of energy-saving and emission-reduction and scene environment, the brightness adjustment control of the said equipment is seemed even more important.

Existing light modulating device generally all is to be realized by two different devices respectively to the brightness adjustment control of incandescent lamp and low pressure halogen lamp.And because the electromagnetic interference difference of line voltage instability and different power utilization environments, occasion, light modulation has flicker or the unsettled situation of light modulation to a lot of light modulating devices to the low pressure halogen lamp, makes that the consistency of two kinds of light fixtures is relatively poor.

The utility model content

The purpose of this utility model is to provide problems such as the complex structure of a kind of light modulating device that is used for control is regulated in the brightness of all incandescent lamps on the electric thing connection bus platform and low pressure halogen lamp simultaneously to solve existing light modulating device, consistency difference.

The technical solution of the utility model is to realize like this, should mainly comprise bus interface module, main control chip (MC9S08AW32), power-switching circuit, zero cross detection circuit and two-way trigger control circuit and light modulation executive circuit based on the incandescent lamp and the low pressure halogen lamp dimming device of electric thing connection bus.

Wherein, bus interface module is connected with system bus network and main control chip communication; Main control chip and zero cross detection circuit and two-way trigger control circuit and the communication of light modulation executive circuit are connected; Power-switching circuit is electrically connected with bus network, bus interface module and main control chip respectively; Two-way trigger control circuit and light modulation executive circuit are connected with incandescent lamp circuit and low pressure halogen circuit for lamp respectively.

Described bus interface module is responsible for and the system bus communication, receives from the light modulation message transmissions of bus and gives main control chip (MC9S08AW32), and the response signal of main control chip (MC9S08AW32) is sent on the bus network.

Described main control chip (MC9S08AW32) receives the communication command from bus, issues two-way trigger control circuit and light modulation executive circuit after resolving, and two-way trigger control circuit and light modulation executive circuit come lighting apparatus is regulated and control according to communication command.

Described power-switching circuit, the direct current 24V power source conversion of being responsible for the outside is inserted is needed bus power source of system bus and data power supply, and the working power of each chip.

Described zero cross detection circuit, the zero crossing of detection 220VAC voltage with this time reference as light modulation, can effectively be eliminated the interference signal in the AC signal, has guaranteed the stability of light modulation.

Described two-way trigger control circuit and light modulation executive circuit realize that isolation triggers main control chip to silicon controlled, reaches the light modulation purpose.And this circuit can be eliminated the electromagnetic interference that produces when controllable silicon is worked, and has guaranteed the power supply quality of electrical network.

The beneficial effects of the utility model are: can realize by a device to two kinds of different light media of incandescent lamp and Halogen lamp LED of being connected simultaneously and regulate and control effectively by electric thing connection bus platform, and light modulation is stablized.In addition, will control by electric thing connection bus and integrate not only simple in structure with the power supply supply but also control is simple, maintenance is convenient.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a schematic block circuit diagram of the present utility model

Fig. 2 is bus interface module pin definitions figure of the present utility model

Fig. 3 is the application drawing that bus interface module of the present utility model is connected with main control chip

Among the figure

1 bus network

2 power-switching circuits

3 bus interface modules

4 main control chips

5 zero cross detection circuits

6 two-way trigger control circuit and light modulation executive circuit.

Embodiment

Below, describe preferred embodiment of the present utility model in detail with reference to accompanying drawing.Need to prove before this, employed term or word can not limited interpretation be common implication or the implication in the dictionary in this specification and claims book, and should be based in order to illustrate that in the best way principle that its practical novel inventor can suitably define the notion of term is interpreted as meeting the implication and the notion of the utility model technological thought.Thereupon, the structure of representing in embodiment that this specification is put down in writing and the accompanying drawing is one of the utility model most preferred embodiment, can not represent technological thought of the present utility model fully, therefore should be understood that for the utility model, to have various equivalents and the variation that to replace.

As Fig. 1, shown in Figure 3, incandescent lamp and low pressure halogen lamp dimming device based on electric thing connection bus of the present utility model mainly comprise bus interface module 3, main control chip 4, power-switching circuit 2, zero cross detection circuit 5 and two-way trigger control circuit and light modulation executive circuit 6.

Wherein, bus interface module 3 is responsible for carrying out communication with bus network 1, and the communication signal biography that receives from bus network 1 sends to main control chip 4, and the response signal of main control chip 4 is sent on the bus network 1.

The microprocessor MC9S08AW32 that main control chip 4 adopts Freescale Semiconductor (FREESCALE) to produce, the dimmer command that it receives from bus network 1 by bus interface module 3, after converting the light modulation parameter to, cooperate zero cross detection circuit 5, calculate sinusoidal wave control angle, convert the corresponding time to, the time is to then sending trigger impulse by trigger control circuit, bidirectional triode thyristor conducting in the control light modulation executive circuit makes incandescent lamp or Halogen lamp LED obtain certain alternating voltage.Because the difference of thyristor operating angle degree, incandescent lamp or Halogen lamp LED can obtain different alternating voltages, and then make the brightness of incandescent lamp or Halogen lamp LED change with the difference of voltage, realize dimming function.

The effect of zero cross detection circuit 5 is the zero crossings that detect 220VAC voltage, with this time reference as light modulation, can effectively eliminate the interference signal in the AC signal, has guaranteed the stability of light modulation.

Two-way trigger control circuit and light modulation executive circuit 6 realize that 4 pairs of silicon controlleds isolation of main control chip trigger, and reach the light modulation purpose.And this circuit can be eliminated the electromagnetic interference that produces when controllable silicon is worked, and has guaranteed the power supply quality of electrical network.

Simultaneously, DC power supply of the present utility model is provided by bus network 1, direct current 24V power supply through power-switching circuit 2 be converted to+supply with this device use behind the 5V power supply.

To control by electric thing connection bus and to integrate not only simple in structure with the power supply supply but also control is simple, maintenance is convenient.

As Fig. 2, shown in Figure 3, bus interface module 3 is being born the communication function of this device and bus network 1, and each pin definitions of this module is as follows:

1-TE: send Enable Pin, high level is effective;

2-TXD: data sending terminal;

3-RXD: data receiver;

4-GND: power supply ground;

5-BUSY: bus busy condition indication end, high level represent that bus is busy, and low level is represented the bus free time;

6-NC: do not have connection;

7-R/T-S: bus data reception/transmitting terminal, 0 ~ 24V level;

8-VCC: positive source, 5V.

Be described and illustrate with reference to embodiment although it should be noted that the utility model, and provided based on the incandescent lamp of electric thing connection bus and the concrete structure of low pressure halogen lamp dimming device.But and do not mean that the utility model is limited to the execution mode of these descriptions, those skilled in the art can therefrom derive many different variants, they all will be covered in the true spirit and scope of the utility model claim.

Claims

1. incandescent lamp and low pressure halogen lamp dimming device based on an electric thing connection bus, comprise power-switching circuit (2), bus interface module (3), main control chip (4), zero cross detection circuit (5) and two-way trigger control circuit and light modulation executive circuit (6), it is characterized in that:

Described bus interface module (3) is connected with system bus network (1) and main control chip (4) communication, the communication signal that will be received from bus network (1) sends to main control chip (4), and the response signal of main control chip (4) is sent on the bus network (1);

Described main control chip (4) and zero cross detection circuit (5) and two-way trigger control circuit and light modulation executive circuit (6) communication are connected, main control chip (4) is according to the regulation and control order that is received from bus network (1), the time reference that cooperates zero cross detection circuit (5) to provide is controlled two-way trigger control circuit and light modulation executive circuit (6);

Described power-switching circuit (2) is electrically connected with bus network (1), bus interface module (3) and main control chip (4) respectively, the direct current 24V power source conversion of being responsible for the outside is inserted is needed bus power source of system bus and data power supply, and the working power of each chip;

Described two-way trigger control circuit and light modulation executive circuit (6) are connected with incandescent lamp circuit and low pressure halogen circuit for lamp respectively.

2. incandescent lamp and low pressure halogen lamp dimming device based on electric thing connection bus according to claim 1 is characterized in that: the microprocessor MC9S08AW32 that described main control chip (4) adopts Freescale Semiconductor to produce.