CN202334543U

CN202334543U - Multi-path information publish terminal structure

Info

Publication number: CN202334543U
Application number: CN2011204801674U
Authority: CN
Inventors: 陈淑琼; 卢琼辉; 陈建旺
Original assignee: FUJIAN ERLING ELECTRONIC Co Ltd
Current assignee: FUJIAN ERLING ELECTRONIC Co Ltd
Priority date: 2011-11-25
Filing date: 2011-11-25
Publication date: 2012-07-11
Anticipated expiration: 2021-11-25

Abstract

The utility model discloses a multi-path information publish terminal structure, which is characterized by comprising a control core, an addressing communication module, a telephone input module, a frequency modulation receiving module, an alarm module, an audio switching module and a control input module, wherein a central processing unit (CPU) is arranged in the control core; the control core comprises a first serial port, a second serial port, a first eight-bit input/output (I/O) port, a second eight-bit I/O port, a third eight-bit I/O port, a fourth eight-bit I/O port and a fifth eight-bit I/O port; and various modules are in star-shaped distribution by taking the control core as the center. Due to the double-serial port CPU, the scheme is used for receiving a remote control signal and can exchange data with a telephone control board, the multi-path information publish terminal structure is simplified, the cost of a circuit is saved, and a small-volume terminal is realized.

Description

A kind of structure of multiline message issue terminal

Technical field

The device structure in the utility model design broadcasting control system field specifically is a kind of structure of multiline message issue terminal.

Background technology

Basic unit's government affairs information distribution platform is to be used to relay radio programmes at different levels and the culture and propaganda action of managing program by oneself, disaster accident early warning etc.So the terminal of its information issue often need switch between the multichannel input signal, such as broadcasting or the like from FM broadcasting, cable/radio telephone set, interior lines.Consider the difference of various places condition; How on the basis of lower cost; Realize the information release terminal of small-volume and multifunctional; Be practical scheme, also want simultaneously to realize to cooperate the expansion of realization function that this is the inevitable demand of this category information issue terminal product design with other multiple intelligent Broadcast Control technology.

The utility model content

To the inevitable demand of above information release terminal product design, the utility model discloses a kind of structure of multiline message issue terminal, its technical scheme is following:

A kind of structure of multiline message issue terminal, it comprises:

One control core, this control core includes central processing unit, and this control core comprises the first and second common dual serial mouths, first to the 5th totally five eight I/O mouths;

One addressing communication module is connected in said first serial, has one and can be connected the USB of accomplishing serial communication with PC;

One phone input module is connected in said second serial, has one and can be connected the phone plate interface that is used for the control information of receiving remote phone with the standard telephone plate;

One FM reception module has the reception head that can receive and export FM FM broadcasting information, and it is connected in said the 4th I/O mouth,

One alarm module, the circuit with exportable voice alarm signal is connected in a said I/O mouth;

One audio frequency handover module is connected in said the 2nd I/O mouth, has the switching Enable Pin that is connected to said phone input module, FM reception module and alarm module; And

One control input module is connected in said the 3rd I/O mouth.

Wherein, said the 5th I/O mouth and said phone input module and the audio frequency handover module control line that has the single line form respectively.

Preferred person as the present technique scheme can have the improvement of following mode:

In one preferred embodiment, it is characterized in that: also comprise: a real-time clock module, this real-time clock module comprise clock chip resonant loop, and are connected in a said I/O mouth, have two control lines with said the 5th I/O mouth simultaneously.

In one preferred embodiment, it is characterized in that: also comprise: a volume adjusting module, this volume adjusting module comprise digital volume adjusting process chip, and are communicated with a said I/O mouth through three control lines.

In one preferred embodiment, also comprise: a display module, this display module are communicated with three pins of said the 3rd I/O mouth, and are communicated with said control core through a control line.

In one preferred embodiment, also comprise: a microphone amplification module, this microphone amplification module is connected in said audio frequency handover module.

In one preferred embodiment, said central processing unit is 8051 series monolithic central processing units.In one preferred embodiment, said central processing unit comprises the SRAM of 4K byte and the EEPROM memory cell of 4K byte at least.

The beneficial effect that the present technique scheme is brought is:

1. through the form of two serial ports central processing units, make this programme both be used for the receiving remote control signal, can carry out exchanges data with the phone control board again, simplified the structure of multiline message issue terminal, practiced thrift circuit cost, realized the terminal form of small size;

2. the Y-connection form of single control core makes circuit be prone to expansion, and applicability is strong.

Description of drawings

Embodiment is described further the utility model below in conjunction with accompanying drawing:

Fig. 1 is the utility model embodiment one sketch map;

Fig. 2 is the utility model embodiment two circuit diagrams.

Embodiment

Embodiment one:

Like Fig. 1, the utility model embodiment one sketch map; Control core 10 includes central processing unit, first serial port 11, second serial port, 12, the one I/O mouths 21, the 2nd I/O mouth 22, the 3rd I/O mouth 23, the 4th I/O mouth 24 and the 5th I/O mouth 25, and this first to the 5th I/O mouth all is eight parallel-by-bit data-interfaces.

Addressing communication module 20 is connected in first serial 11, and its inside has one can be connected the USB of accomplishing serial communication with PC; This addressing communication module 20 can externally show a unique address that identifies, and accomplishes whole communication and controlled function with main frame, to reach the control to this programme terminal, can realize the function of this serial communication with the integrated processing scheme of standard serial port.

Phone input module 30 is connected in second serial 12, has one and can be connected the phone plate interface that is used for the control information of receiving remote phone with the standard telephone plate; On entity this be one can be docked with phone plate 5 line interfaces, comprise the RXD2 and the RXD2 end of phone plate.

FM reception module 40 is general FM tunable receiver, has the reception head that can receive and export FM FM broadcasting information in it, is connected in the 4th I/O mouth through its SCL and SDA end and break-make Enable Pin,

The circuit of alarm module 60 for having exportable voice alarm signal is connected in an I/O mouth; Alarm signal by 10 outputs of control core can directly produce warning information through alarm module 60.

Audio frequency handover module 50; Be connected in said the 2nd I/O mouth 22; Under the control of control core 10, enable the switching Enable Pin of above-mentioned phone input module 30, FM reception module 40 and alarm module 60 with switching, draw and be connected in the lead-in wire of above-mentioned module respectively like audio frequency handover module 50; Because arbitrary moment, all receive only one tunnel input signal usually and broadcast output.

Control input module 70 is connected in the 3rd I/O mouth 23, and as its name suggests, the function of this module is the operating state of controlling above-mentioned module predeterminablely, as the mutual Man Machine Interface in the present technique scheme.

Wherein, the 5th I/O mouth 25 and said phone input module and audio frequency handover module have the control line (indicating) of single line form respectively, because the 5th I/O mouth 25 is as the part control signal line of control core 10 with each functional module.

More than, through the form of two serial ports central processing units, make this programme both be used for the receiving remote control signal; Can carry out exchanges data with the phone control board again; Simplify the structure of multiline message issue terminal, practiced thrift circuit cost, realized the terminal form of small size; Simultaneously, the Y-connection form of single control core makes circuit be prone to expansion, and applicability is strong.

Embodiment two:

Like Fig. 2, the utility model embodiment two circuit diagrams.Control core 10 is 8051 series monolithic STC12C5A56S2, has P0-P4 five eight parallel I/O interface in order; Except addressing communication module 20, phone input module 30, FM reception module 40, audio frequency handover module 50, alarm module 60 and control input module 70, this example is also integrated several extra functional modules to be had respectively:

One real-time clock module 90, this real-time clock module comprise clock chip U1 with its 2,, the resonant tank that 3 pin connect, this real-time clock module 90 is connected in an I/O mouth, has two control line P4.1 and P4.6 with said the 5th I/O mouth simultaneously; This real-time clock module 80 can generate the real-time clock data in this locality.

Three pins that one display module 80, this display module are communicated with the 3rd I/O mouth are respectively P2.0, and P2.1 and P2.2 are communicated with the P4.0 that controls core 10 through a control line in addition.

One volume adjusting module 100, this volume adjusting module 100 comprise digital volume adjusting process chip U9, and this U9 is an X9313 digitlization volume control chip; U9 is communicated with an I/O mouth P0 through three control lines, is respectively P0.1, P0.2 and P0.3.

One microphone amplification module 110, this microphone amplification module 110 adopts chip TL082, is connected in the output of audio frequency handover module U2.

In addition, in central processing unit U8, comprise the 4K byte SRAM and 4K byte the EEPROM memory cell just, therefore, present embodiment can adopt the more jumbo program of C language design, expands multiple function easily.

The above; Be merely the utility model preferred embodiment; So can not limit the scope that the utility model is implemented according to this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.

Claims

1. the structure of a multiline message issue terminal, it is characterized in that: it comprises:

One control input module is connected in said the 3rd I/O mouth;

2. according to the structure of the said a kind of multiline message issue terminal of claim 1; It is characterized in that: also comprise: a real-time clock module; This real-time clock module comprises clock chip resonant loop, and is connected in a said I/O mouth, has two control lines with said the 5th I/O mouth simultaneously.

3. according to the structure of the said a kind of multiline message issue terminal of claim 1, it is characterized in that: also comprise: a volume adjusting module, this volume adjusting module comprise digital volume adjusting process chip, and are communicated with a said I/O mouth through three control lines.

4. according to the structure of the said a kind of multiline message issue terminal of claim 1, it is characterized in that: also comprise: a display module, this display module are communicated with three pins of said the 3rd I/O mouth, and are communicated with said control core through a control line.

5. according to the structure of the said a kind of multiline message issue terminal of claim 1, it is characterized in that: also comprise: a microphone amplification module, this microphone amplification module is connected in said audio frequency handover module.

6. according to the structure of the said a kind of multiline message issue terminal of claim 1, it is characterized in that: said central processing unit is 8051 series monolithic central processing units.

7. according to the structure of the said a kind of multiline message issue terminal of claim 1, it is characterized in that: said central processing unit comprises the SRAM of 4K byte and the EEPROM memory cell of 4K byte at least.