CN202003463U - Personal portable alarm apprizing terminal equipment - Google Patents

Abstract

The utility model discloses personal portable alarm apprizing terminal equipment. The terminal equipment comprises a shell, wherein a circuit device is arranged in the shell, and comprises a radio frequency (RF) receiving module, a central processing unit (CPU) processing module, a liquid crystal display (LCD) module, a data voice and analogue voice converting module, an audio amplifying module and a loudspeaker; the output of the RF receiving module is connected to the CPU processing module; the output of the CPU processing module is connected to the LCD module and the input of the data voice and analogue voice converting module respectively; the output of the data voice and analogue voice converting module is connected to the input of the audio amplifying module; and the output of the audio amplifying module is connected to the loudspeaker. Multiple kinds of alarm and early warning information can be displayed in the form of sound and characters by the terminal equipment, and the terminal equipment is convenient to take along personally for alarm apprizing and has the characteristic of small size.

Description

Terminal device is reported in a kind of portable personal alarm

Technical field

The utility model relates to a kind of terminal device that receives various alarms, information warning and digital speech, particularly relates to a kind of terminal device of being convenient to the with oneself portable various alarms of reception, information warning and digital speech of individual.

Background technology

Typical existing equipment is the alarm terminal opertaing device that existing manufacturer production is arranged, and this equipment receives only single format alarm early warning signal, and volume is big simultaneously, and Heavy Weight is not easy to the individual and carries.

The utility model content

The purpose of this utility model is to overcome the deficiency of prior art, provide a kind of portable personal alarm to report terminal device, this terminal device can not only be showed all kinds of alarm early warning information with sound equipment, written form, is convenient to simultaneously the individual again and carries and carry out alarm and report.

The technical scheme that its technical matters that solves the utility model adopts is: terminal device is reported in a kind of portable personal alarm, comprises a housing, in this housing circuit arrangement is housed, and this circuit arrangement comprises:

One RF receiver module is used for the receiving lines signal;

One CPU processing module is used for the line signal that receives is handled and other parts are managed control;

One LCD display module is used for display text and image information;

One data voice and simulated voice conversion module are used for digital audio signal is processed into simulating signal;

One audio frequency amplification module is used for sound signal power is amplified;

One loudspeaker is used for sending sound equipment;

The output of RF receiver module is connected to the CPU processing module, the CPU processing module is connected with the simulated voice conversion module with data voice with the LCD display module respectively, the output of data voice and simulated voice conversion module is connected to the input of audio frequency amplification module, and the output of audio frequency amplification module is connected to loudspeaker.

Described housing is a square casing, and its volume size is less than 200mm*100mm*2mm.

Terminal device is reported in a kind of portable personal alarm of the present utility model, when message need receive processing, at first carry out demodulation to received signal through the RF receiver module, through the CPU processing module line signal is carried out channel-decoding, data decode then, to message information, various alarm early warning information, show by the LCD display module.To the data voice signal that receives, after process data voice and simulated voice conversion module are varied to analogue voice signal with the data voice signal, amplify by the audio frequency amplification module, send the sound equipment that people's ear can be heard by loudspeaker then.

The beneficial effects of the utility model are, report terminal device owing to adopted a RF receiver module, a LCD display module, a data voice and the simulated voice conversion module, an audio frequency amplification module and the loudspeaker that install in a housing and the housing to constitute the portable personal alarm, this terminal device can not only be showed all kinds of alarm early warning information with sound equipment, written form, be convenient to simultaneously the individual again and carry and carry out alarm and report, but also have the little characteristics of volume.

Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of portable personal alarm of the present utility model is reported terminal device and is not limited to embodiment.

Description of drawings

Fig. 1 is a theory diagram of the present utility model;

Fig. 2 is a RF receiver module circuit diagram of the present utility model;

Fig. 3 is a CPU processor module circuit diagram of the present utility model;

Fig. 4 is data voice of the present utility model and simulated voice conversion module block diagram;

Fig. 5 is a speech D/A circuit diagram of the present utility model;

Fig. 6 is speech coding of the present utility model/decoding circuit figure;

Fig. 7 is data voice I/O control circuit figure of the present utility model;

Fig. 8 is a voice data frame assumption diagram of the present utility model.

Embodiment

Embodiment, referring to shown in Figure 1, terminal device is reported in a kind of portable personal alarm of the present utility model, comprises a housing (not shown), in this housing circuit arrangement is housed, and this circuit arrangement comprises:

One RF receiver module 1 is used for the receiving lines signal;

One CPU processing module 2 is used for the line signal that receives is handled and other parts are managed control;

One LCD display module 3 is used for display text and image information;

One data voice and simulated voice conversion module 4 are used for digital audio signal is processed into simulating signal;

One audio frequency amplification module 5 is used for sound signal power is amplified;

One loudspeaker 6 is used for sending sound equipment;

One power supply 7;

The output of RF receiver module 1 is connected to CPU processing module 2, CPU processing module 2 is connected with simulated voice conversion module 4 with data voice with LCD display module 3 respectively, the output of data voice and simulated voice conversion module 4 is connected to the input of audio frequency amplification module 5, and the output of audio frequency amplification module 5 is connected to loudspeaker 6.

Described housing is a square casing, and its volume size is less than 200mm*100mm*2mm.

Terminal device is reported in a kind of portable personal alarm of the present utility model, when message need receive processing, at first carry out demodulation to received signal through RF receiver module 1, carry out channel-decoding, data decode through 2 pairs of line signals of CPU processing module then, to message information, various alarm early warning information, show by LCD display module 3.To the data voice signal that receives, after process data voice and simulated voice conversion module 4 are varied to analogue voice signal with the data voice signal, amplify by audio frequency amplification module 5, send the sound equipment that people's ear can be heard by loudspeaker 6 then.

Referring to shown in Figure 2, RF receiver module 1 is used for finishing the demodulation of circuit received signal.The radio-frequency (RF) receiving circuit core adopts the SI4432 chip design, and satisfies following essential characteristic:

1.FSK, GFSK, OOK transceiver

2. operating frequency range 240～930MHz

3. receiving sensitivity-115dBm@9.6Kbps

4. the maximum 128Kbps of transfer rate

5.FSK frequency deviation able to programme (1～160KHz)

6. receive bandwidth able to programme (10.6～230.4KHz)

7. low-power consumption duty cycle pattern carries and wakes timer up, low cut-off current (1UA)

8.2.7～3.6V power supply power supply

9. low received current (typical 18.5mA)

10. temperature range-40-+85

After having antenna to receive the various alarms and information warning that control center sends out, after the SI4432 demodulation process, be sent to CPU processing module 2.

Referring to shown in Figure 3, CPU processing module 2 is CPU microprocessor modules, finishes channel-decoding, data decode and data voice change module to simulated voice control by software.Microprocessor can be selected the 89C52AH single-chip microcomputer for use, among the Flash of the curable portion within it of control program.Control program is pressed main program module, radio frequency trace routine module, channel-decoding mould control program module, data decode control program module, is received data processing job sequence module, alarm signal handling procedure, Word message received processing program module, digital speech control program module, audio alert attention program module, decryption software program module structure.Wherein, chnnel coding adopts the RS coding method, and the utility model has compared various RS coding methods, has revised deficiency and mistake wherein, has adopted the method for the RS encoding and decoding that realize with software.

For (message polynomial is m (x) for n, k) RS sign indicating number, and a is a primitive element, and RS sign indicating number generator polynomial is:

G (x)=(x ten is (x+a a) ²) (x+a ³) ... (x+a ^2t)

r(x)＝[x ^n-k·m(x)modg(x)]

Code polynomial behind the coding is:

c(x)＝x ^n-k·m(x)+r(x)

To the decoding of transmission data, adopt information stacking pseudorandom code encryption and deciphering.

To shown in Figure 7, data voice and simulated voice conversion module 4 are used for finishing the data-voice conversion referring to Fig. 4.The channel width that this data voice and simulated voice conversion module 4 provide according to circuit and to the basic demand of voice coding, voice coding employing sound sign indicating number words technology, Fig. 4 is simulated voice and data voice conversion module block diagram, and 3 parts are arranged, and Fig. 5, Fig. 6, Fig. 7 are the circuit diagrams of its 3 parts.Form and mainly comprise voice D/A circuit, tone decoding circuit, data voice input control circuit.The interface of data voice input control circuit and tone decoding circuit adopts parallel port frame structure mode, with the interface employing serial communication mode of CPU processing module 2.

Fig. 5 is speech D/A figure of the present utility model, this circuit core chip adopts CSP1027, CSP1027 is a μ/A rule PCM chip, synchro control partly be mainly used in control frame synchronously and bit synchronous, the control pin is mainly used in the selection that μ/A restrains and the selection of low-power consumption mode.Realize the coupling of sequential between CSP1027 and Fig. 6 speech decoding acp chip AMBE21000 by clock synchronization circuit, the key of this interface circuit is that the frame synchronization of PCM speech data and bit are synchronous.It is synchronous that the 8kHz clock source of input is used for bit, and 2.048MHz clock source is used for frame synchronization.The speech sample rate of AMBE-1000 and A/D or D/A interface all is 8kHz, the speech data of this 8kHz comes input and output by serial ports, method is exactly to the command frame that demoder is imported a frame ID=0x03 these control signals to be set, and can carry out whole configurations to SIOC.Because the CSP1027 chip is programmable, programming information also can transmit by command frame.In order to simplify the configuration of A/D-D/A chip, one group of default Configuration Values can dispose by pin.The Configuration Values that these are default has indicated the order of the program word of the direction of interface and programming device.

Fig. 6 is speech coding of the present utility model/decoding figure, and the core codec chip adopts AMBE-1000, and AMBE-1000 is duplexing vocoder chip, adopts the AMBE speech coding algorithm, and code rate is 2.4～9.6kb/s.The most basic ingredient of MBE-1000 is exactly a scrambler and a demoder, and both are separate.The audio data stream of scrambler reception 8KHz sampling (the 16bit linearity, 8bit A restrains, 8bit u restrains) and with certain speed delivery channel data.On the contrary, demoder receive channel merging becomes audio data stream.The sequential of encoder interface is fully asynchronous.AMBE-1000 adopts the interface of A/D-D/A chip as voice signal.The form of the audio data stream of input and output is identical, and channel interface adopts 8 or 16 s' microcontroller.

Fig. 7 is a data voice I/O control chart, adopt the 89C51 single-chip microcomputer to constitute control system and finish control from the compression bit stream of scrambler output be input to the compression bit stream of demoder, when initialization, coder/decoder is carried out voice and the selection of error correcting code speed, the device control of A/D-D/A chip simultaneously.The AX232 effect of changing of flatting turn that electrifies.Circuit is finished the transmission of vocoded information and control information, carries out data input, output by P0 mouth and AMBE-1000, carries out interface by serial communication port and channel circuit.AMBE-1000 selects pin to link to each other by pull-up resistor with DIP switch and corresponding interface, so that select corresponding work mode.Between 2400～9600b/s and 50～4750b/s, freely select voice rate and error correcting code speed by selector switch.Adopt the parallel port passive mode, the clock of CHS_O_CLK is set, this clock need satisfy the data (i.e. 1 frame data) that can read 34 bytes in 20ms; The parallel port takies more interface resource simultaneously, and application program is comparatively simple.

Fig. 8 is the voice data frame assumption diagram, and it is by 17 16 data layouts that word is formed, and every 20ms scrambler is exported 17 words, and same demoder will receive this 17 words.The frame format of input and output will give detailed introduction in following content.5 words are frame head, represent locating information and control information, by header, and ID, these 3 parts of status are formed.12 remaining words are made up of coded data bit.These 12 words (192) and if only if when AMBE-1000 is operated in 9600bps whole representative voice data, otherwise the data bit of not using will be filled (voice data begins to fill from most significant digit) by 0.When AMBE-1000 did not work in 9600bps, whole 272 also were transferred to demoder from scrambler.

Loudspeaker 6 is loudspeaker, is used for sending sound equipment;

Power supply 7 is power modules, for each module provides 3.3V power supply.

The foregoing description only is used for further specifying a kind of portable personal alarm of the present utility model and reports terminal device; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection domain of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims (2)

1. terminal device is reported in a portable personal alarm, comprises a housing, in this housing circuit arrangement is housed, and it is characterized in that: this circuit arrangement comprises:

One RF receiver module is used for the receiving lines signal;

One CPU processing module is used for the line signal that receives is handled and other parts are managed control;

One LCD display module is used for display text and image information;

One data voice and simulated voice conversion module are used for digital audio signal is processed into simulating signal;

One audio frequency amplification module is used for sound signal power is amplified;

One loudspeaker is used for sending sound equipment;

The output of RF receiver module is connected to the CPU processing module, the CPU processing module is connected with the simulated voice conversion module with data voice with the LCD display module respectively, the output of data voice and simulated voice conversion module is connected to the input of audio frequency amplification module, and the output of audio frequency amplification module is connected to loudspeaker.

2. terminal device is reported in portable personal alarm according to claim 1, it is characterized in that: described housing is a square casing, and its volume size is less than 200mm*100mm*2mm.

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