CN201435852Y

CN201435852Y - Address code writer for writing address information into lamp based on primary function mode

Info

Publication number: CN201435852Y
Application number: CN2009200575037U
Authority: CN
Inventors: 李韬; 王前
Original assignee: South China University of Technology SCUT
Current assignee: South China University of Technology SCUT
Priority date: 2009-05-31
Filing date: 2009-05-31
Publication date: 2010-03-31
Anticipated expiration: 2019-05-31

Abstract

The utility model provides an address code writer for writing address information into a lamp based on a primary function mode. The address code writer comprises a bus interface circuit, a memory circuit, a keyboard interface circuit, a lamp detection circuit and data processor; the bus interface circuit is provided with a bus interface, and is used to receive and transmit data via a bus; the memory circuit is used to store data; the keyboard interface circuit is provided with a keyboard interface, and is used to receive address data containing the address of the lamp based on the primary function mode inputted by a connected keyboard; the lamp detection circuit is used to detect whether the bus interface circuit is connected with the lamp based on the primary function mode; the data processor is used to send the received address data into the memory circuit for storage, read the stored address data from the memory circuit when the connection of the lamp based on the primary function mode is detected, and then send the address data to the bus interface circuit after converting the format of the address data, the lamp based on the primary function mode parses the address data and then uses the address data as the own address, and thereby the address code writer implements the function of writing address information into the lamp.

Description

Write a yard device to address based on the light fixture write address information of primary function mode

Technical field

The utility model relates to a kind of address and writes a yard device, particularly a kind ofly writes a yard device to the address based on the light fixture write address information of primary function mode.

Background technology

At present, be applied to the LED of lighting field, no matter, all be better than traditional lighting at luminous efficiency, environmental protection power saving, illumination color harmony rich color, useful life, shatter-proof aspect such as shock-resistant.Though also there is the problem that cost is higher and system effectiveness remains to be improved in LED illumination at present, along with overcoming of LED technical bottleneck, LED illumination application market scale will be grown up continuously and healthily, wherein the desirable of the application of LED in architectural lighting.In the construction landscape illumination, LED is mainly used in aspects such as building decoration, interior decoration, tourist attractions decoration, LED also is used for the decorative lighting in important building, commercial center, the scenic spots and historical sites, bridge, household, amusement and recreation place, and collection is decorated and advertisement is the commercial lighting of one.

The control protocol of main flow is the DMX512 control protocol in the industry of LED light control at present.The DMX512 agreement designs for light of stage control the earliest, and it is a physical layer with the RS-485 industrial bus.Common lighting effects can be divided into a plurality of pictures, each picture is called a frame, frame data comprise 512 bytes at most in the DMX512 agreement, and a pixel is 3 bytes (red, green, blue), so DMX512 can only support about 170 pixels; If picture is excessive, then needing main controller is the unit with 512 bytes, and data are delivered to respectively respectively from the control device.Because the simplicity and the practicality of DMX512 agreement, and the reliability of RS-485 bus make the DMX512 agreement be used widely in LED light control field.

But because the RS-485 bus transfer rate is 250Kbps, be difficult to independent make up large-scale lighting system and be applied in the landscape light in city such as external wall, therefore, adopt spi bus transmission control mode mostly in the domestic LED lamp light control system that is applied to external wall etc., wherein, product with the little digital device of celebrating in Beijing development corporation, Ltd. is representative, has occupied most of market share in this field.Adopt the spi bus transmission means can realize that large-scale exterior wall shows control, for the DMX512 system, it controls cost lower, but stability is poorer than the DMX system, and if the problem that exists a LED lamp damage will cause the light fixture of back to work in the SPI series system.Therefore, present domestic LED light control field middle and small scale LED system almost is the DMX512 system all, the spi bus systems that adopt of extensive LED system (the above pixel of 5K) more.

Yet, no matter be present DMX512 system or SPI system, all be to belong to the plane animation system, be applied to mostly in the planar applications such as external wall.For the application of lines types such as road, bridge, riverside, adopt existing DMX system and SPI system to be difficult to realize.Because 170 pixels of the maximum may command of each controller output port of standard DMX512 system, many producers also become standard DMX512 system extension the DMX1024 system makes 340 pixels of system's may command, but cost is that the highest refresh rate of system is reduced to 22Hz from 44Hz; Also can only reach 256 pixels and the control ability of each output port of spi bus system is the highest.Just because of existing DMX system and the controllable pixel of SPI system are few, when being applied to the control of lines type LED light such as road, bridge, needing a plurality of data distributors or constitute the line style system from the control device.

In order to control more light fixture, the research staff develops a kind of light fixture based on primary function mode, its structure as shown in Figure 1, it comprises: a plurality of LED lamps, control module, and the LED lamp drive circuit etc. that can form a plurality of pixels.Wherein, described control module comprises again: a plurality of basic function memory cell, address storaging unit, data parsing unit, and basic function extraction unit, in each basic function memory cell, store a basic function respectively, as at the basic function of storage shown in Fig. 2 a in the basic function memory cell, promptly having stored formed each the pixel color of described a plurality of LED lamp all be the information of redness; The information that to have stored the formed pixel color of described a plurality of LED lamp in the basic function memory cell 2 be the alternate color of red indigo plant ...After the data parsing unit receives data from bus, after will the data extract relevant from the data that receive going out according to address storaging unit provided self address, therefrom parse corresponding basic function with self address.The basic function extraction unit extracts each pixel colouring information so that the described a plurality of LED lamps of LED lamp drive unit drives show corresponding lighting effects according to the basic function that described data parsing unit is parsed from corresponding basic function memory cell.

Because this kind connects by bus based on the light fixture of primary function mode, therefore, when practical application, often need write different address codes for each light fixture based on primary function mode, so that each self energy is according to the accurate instructions that receives from bus in the address of self, therefore how to write the address, become those skilled in the art's problem demanding prompt solution to the novel LED light fixture of this kind based on primary function mode.

The utility model content

The purpose of this utility model is to provide a kind of and writes a yard device to the address based on the light fixture write address information of primary function mode.

Reach other purposes in order to achieve the above object, a yard device is write in the address to based on the light fixture write address information of primary function mode that the utility model provides, and comprising: have bus interface and be used for bus interface circuit by the bus transceive data; Be used to store the memory of data circuit; Have keyboard interface and be used to receive that the keyboard of access imports comprises keyboard interface circuit based on the address date of the light fixture address of primary function mode; Be used to detect described bus interface circuit and whether be connected with light fixture testing circuit based on the light fixture of primary function mode; And, the address date that is used for that described keyboard interface circuit is received is sent into described memory circuitry and is stored, and when described light fixture testing circuit detects light fixture based on primary function mode and has connected, read address stored data from described memory circuitry, and be converted into the form that the light fixture based on primary function mode that inserted can be discerned, deliver to described bus interface circuit again, it is resolved the data processor of back as self address by described light fixture based on primary function mode.

Preferable, described bus interface can be the RS485 bus interface; Described memory circuitry can comprise EEPROM; Described data processor can be microprocessor.

In addition, also can comprise to writing yard device: have display interface device and the display interface device circuit of the display that the data-driven that is used for providing according to described data processor inserts based on the address of the light fixture write address information of primary function mode, wherein, described display can be LCD.

In sum, of the present utility model to writing yard device based on the address of the light fixture write address information of primary function mode by will being converted to the form that can discern based on the light fixture of primary function mode from the address information that keyboard interface circuit is imported, thus can realize to function based on the light fixture write address information of primary function mode.

Description of drawings

Fig. 1 is for having the structural representation based on the LED light fixture of primary function mode now.

The basic function schematic diagram that Fig. 2 a-2b is stored for the basic function memory cell of existing LED light fixture based on primary function mode.

Fig. 3 writes a yard device structural representation for of the present utility model to the address based on the light fixture write address information of primary function mode.

Embodiment

See also Fig. 3, of the present utility modelly comprise at least: memory circuitry, keyboard interface circuit, bus interface circuit, display interface device circuit, light fixture testing circuit, and data processor etc. to writing a yard device based on the address of the light fixture write address information of primary function mode.

Described keyboard interface circuit has keyboard interface, is used to receive that the keyboard of access imports comprises address date based on the light fixture address of primary function mode.The keyboard that is inserted can be QWERTY keyboard, and corresponding keyboard interface is the keyboard interface of standard.

Described memory circuitry is used to store data, and it can comprise EEPROM.

Described bus interface circuit has bus interface, is used for by the bus transceive data, and the bus of employing can be the RS485 bus, and the respective bus interface is the RS485 bus interface.

Described display interface device circuit has display interface device, the display that the data-driven that is used for providing according to described data processor inserts, and the display that is inserted can be LCD etc.

Described light fixture testing circuit is used to detect described bus interface circuit and whether is connected with light fixture based on primary function mode.

The address date that described data processor is used for that described keyboard interface circuit is received is sent into described memory circuitry and is stored, and when described light fixture testing circuit detects light fixture based on primary function mode and has connected, read address stored data from described memory circuitry, and be converted into the form that the light fixture based on primary function mode that inserted can be discerned, deliver to described bus interface circuit again, it is resolved the back as self address by described light fixture based on primary function mode.Described data processor can be microprocessor.

It is noted that, above-mentioned memory circuitry, keyboard interface circuit, bus interface circuit, display interface device circuit, light fixture testing circuit, and the internal structure of data processor all be familiar with by those skilled in the art, so be not described in detail in this.

In sum, of the present utility model to writing yard device based on the address of the light fixture write address information of primary function mode by the key information data that keyboard interface circuit received being converted to the form that can discern based on the light fixture of primary function mode, thus can realize to function based on the light fixture write address information of primary function mode.

The foregoing description just lists expressivity principle of the present utility model and effect is described, but not is used to limit the utility model.Any personnel that are familiar with this technology all can make amendment to the foregoing description under spirit of the present utility model and scope.Therefore, rights protection scope of the present utility model should be listed as claims.

Claims

1. write a yard device to address for one kind, it is characterized in that comprising based on the light fixture write address information of primary function mode:

Have bus interface and be used for bus interface circuit by the bus transceive data;

Be used to store the memory of data circuit;

Have keyboard interface and be used to receive that the keyboard of access imports comprises keyboard interface circuit based on the address date of the light fixture address of primary function mode;

Be used to detect described bus interface circuit and whether be connected with light fixture testing circuit based on the light fixture of primary function mode;

The address date that is used for that described keyboard interface circuit is received is sent into described memory circuitry and is stored, and when described light fixture testing circuit detects light fixture based on primary function mode and has connected, read address stored data from described memory circuitry, and be converted into the form that the light fixture based on primary function mode that inserted can be discerned, deliver to described bus interface circuit again, it is resolved the data processor of back as self address by described light fixture based on primary function mode.

2. as claimed in claim 1ly write a yard device to the address based on the light fixture write address information of primary function mode, it is characterized in that: described bus interface is the RS485 bus interface.

3. as claimed in claim 1ly write a yard device to the address based on the light fixture write address information of primary function mode, it is characterized in that: described memory circuitry comprises EEPROM.

4. as claimed in claim 1ly write a yard device to the address based on the light fixture write address information of primary function mode, it is characterized in that: described data processor is a microprocessor.

5. as claimed in claim 1ly write a yard device, it is characterized in that also comprising: have display interface device and the display interface device circuit of the display that the data-driven that is used for providing according to described data processor inserts to address based on the light fixture write address information of primary function mode.

6. as claimed in claim 5ly write a yard device to the address based on the light fixture write address information of primary function mode, it is characterized in that: described display is a LCD.