CN207764941U - A kind of sea-freight naval vessel automatic alarm system - Google Patents

Abstract

The utility model provides a kind of sea-freight naval vessel automatic alarm system, including alarm and receiver；The alarm is installed on multiple positions of naval vessel nacelle, and the receiver is installed on warship safety duty room, and the alarm is communicatively coupled with the receiver by warship marinet telephone exchange network.The utility model uses the remote controlled manner of naval vessel telephone network, utilize existing wired telephone line resource, it need not carry out special wiring, when there is alarm signal, the priority that telephone line uses can be enjoyed, and acquired data can be clearly seen from host computer, the warning function of realization system, its is simple in structure, of low cost, and stability and reliability are high, it responds sensitive, it can fast and effeciently solve the problems, such as the security protections such as the anti-terrorism on naval vessel, antitheft, fire prevention, reliable guarantee is provided to the safety of sea-freight transport, is with a wide range of applications.

Description

A kind of sea-freight naval vessel automatic alarm system

Technical field

The utility model is related to logistics transportation security technology area, more particularly to a kind of sea-freight naval vessel automatic alarm system.

Background technology

With the deep development of economic globalization, demand of the international trade to sea-freight constantly increases.But in face of emerging one after another, The piracy being becoming increasingly rampant, our security precautions also must constantly enhance.Therefore, research and development towards naval vessels and Ship for civil use, autoalarm at low cost, reliable for operation have become current naval vessel anti-terrorism, the task of top priority of burglar alarm. This improves the quick-reaction capability on convoy naval vessel, has highly important existing for the security of the lives and property of guarantee freighter crewman Sincere justice.

Utility model content

(1) the technical issues of solving

To solve the above-mentioned problems, the utility model provides a kind of sea-freight naval vessel automatic alarm system, can be fast and effective Ground solves the problems, such as the security protections such as the anti-terrorism on naval vessel, antitheft, fire prevention, and reliable guarantee is provided to the safety of sea-freight transport.

(2) technical solution

A kind of sea-freight naval vessel automatic alarm system, including alarm and receiver；The alarm is installed on naval vessel nacelle Multiple positions, the receiver is installed on warship safety duty room, and the alarm passes through naval vessel electricity consumption with the receiver Words exchange network is communicatively coupled.

Further, the alarm includes fire alarm unit, nacelle water inlet prewarning unit, trespasses early warning list Member, signal condition unit, first singlechip unit, dtmf dialing unit and coding unit；The fire alarm unit, the cabin Body water inlet prewarning unit and the forcible entry prewarning unit monitor nacelle fire, water inlet and trespass dangerous situation respectively, output Faint analog electrical signal is sent into the signal condition unit；The signal condition unit carries out the ultra-weak electronic signal of feeding whole The A/D ALT-CH alternate channels of the first singlechip unit are sent into shape filter and amplification, output；The first singlechip unit is to the mould Quasi- electric signal carries out A/D conversions, and controls the dtmf dialing unit and generate corresponding dtmf signal；The dtmf dialing unit The functions such as auto dialing, busy tone identification, the tinkle of bells identification, the identification of remote key-press digital signal are realized, to warship safety duty room institute It states receiver and transfers to the dtmf signal；The coding unit will be pre-stored in the first singlechip unit internal storage Voice signal is converted to PCM signal, and the receiver is transferred to by the telephone-switching network.

Further, the receiver includes that TSIU time slot interchange unit, second singlechip unit, decoding unit, DTMF collect the digits Unit, third single machine unit, serial communication unit and host computer；The TSIU time slot interchange unit exchanges to voice PCM signal The DTMF collects the digits the assigned timeslot of unit；The second singlechip unit controls the TSIU time slot interchange unit and completes time slot friendship It changes；The decoding unit is decoded the DTMF voice PCM signals that unit receives that collect the digits, and is sent into described Three single machine units；The DTMF units that collect the digits receive the dtmf signal that the alarm is transferred to, row decoding of going forward side by side reduction It is sent into the third single machine unit for digital signal；Number of the third single machine unit to decoded voice signal and decoding Word signal is handled, and sends the host computer to by the serial communication unit；The loud speaker of the host computer is to institute Predicate sound signal plays out, while the host computer carries out curve fitting to digital signal and real-time display.

Further, the fire alarm unit selects smoke sensor device, the smoke sensor device to select gas sensitive tube HQ- 2；The nacelle water inlet prewarning unit selects pressure sensor, the pressure sensor to select diffusion silicon hydraulic pressure sensor；It is described It trespasses prewarning unit and selects infrared sensor.

Further, the first singlechip unit, the second singlechip unit and the third single machine unit Select 16 microcontroller MC95S12DJ128.

Further, the dtmf dialing unit and the DTMF collect the digits unit circuit structure having the same, including / digit receiver, quartz crystal oscillator, the first~the 5th resistance and the first~the 4th capacitance are dialled in simulation, wherein/digit receiver choosing is dialled in the simulation Integrated chip MT8880 is transmitted/received with DTMF is two-way.

Further, the coding unit and decoding unit circuit structure having the same, including coding/decoding Device, the 6th~the 8th resistance and the 5th capacitance, wherein the coder/decoder selects 8 bits serial As to restrain companding codec TP3057。

Further, the TSIU time slot interchange unit selects the time slot digital exchange chip MT8980 of 8 lines × 32.

Further, the serial communication unit includes serial port level conversion core piece, connector, the 6th~the tenth electricity Hold, wherein the serial port level conversion core piece is standard RS232 interface chip MAX232, the connector is 9 needle connectors.

(3) advantageous effect

The utility model provides a kind of sea-freight naval vessel automatic alarm system, uses the remote control of naval vessel telephone network Mode need not carry out special wiring using existing wired telephone line resource, when there is alarm signal, can enjoy electricity The priority that words circuit uses, and acquired data can be clearly seen from host computer, realize the warning function of system, structure Simply, of low cost, stability and reliability are high, and response is sensitive, can fast and effeciently solve the anti-terrorism on naval vessel, antitheft, fire prevention Equal security protections problem provides reliable guarantee to the safety of sea-freight transport, is with a wide range of applications.

Description of the drawings

Fig. 1 is a kind of structure diagram of sea-freight naval vessel automatic alarm system involved by the utility model.

Fig. 2 is that a kind of DTMF of sea-freight naval vessel automatic alarm system involved by the utility model dial/collects the digits element circuit Schematic diagram.

Fig. 3 is a kind of coding/decoding element circuit principle of sea-freight naval vessel automatic alarm system involved by the utility model Figure.

Fig. 4 is a kind of TSIU time slot interchange unit circuit theory of sea-freight naval vessel automatic alarm system involved by the utility model Figure.

Fig. 5 is a kind of serial communication unit circuit theory of sea-freight naval vessel automatic alarm system involved by the utility model Figure.

Specific implementation mode

The embodiment involved by the utility model is described in further details below in conjunction with the accompanying drawings.

As shown in Figure 1, a kind of sea-freight naval vessel automatic alarm system, including alarm and receiver；Alarm is installed on warship Multiple positions of cabin body, receiver are installed on warship safety duty room, and alarm is exchanged with receiver by warship marinet telephone Network is communicatively coupled.

Alarm includes fire alarm unit, nacelle water inlet prewarning unit, trespasses prewarning unit, signal condition list Member, first singlechip unit, dtmf dialing unit and coding unit；Fire alarm unit, nacelle water inlet prewarning unit and illegal Intrusion prewarning unit monitors nacelle fire, water inlet and trespasses dangerous situation respectively, exports faint analog electrical signal, is sent into signal tune Manage unit；Signal condition unit carries out shaping filter amplification to the ultra-weak electronic signal of feeding, and first singlechip unit is sent into output A/D ALT-CH alternate channels；First singlechip unit carries out A/D conversions to analog electrical signal, and controls dtmf dialing unit and generate phase The dtmf signal answered；Dtmf dialing unit realizes auto dialing, busy tone identification, the tinkle of bells identification, the identification of remote key-press digital signal Etc. functions, to warship safety duty room receiver transfer to dtmf signal；Coding unit will be pre-stored in inside first singlechip unit Voice signal in memory is converted to PCM signal, and receiver is transferred to by telephone-switching network.

Receiver includes that TSIU time slot interchange unit, second singlechip unit, decoding unit, DTMF collect the digits unit, third monolithic Machine unit, serial communication unit and host computer；Voice PCM signal is exchanged to DTMF and collected the digits the specified of unit by TSIU time slot interchange unit Time slot；Second singlechip unit controls TSIU time slot interchange unit and completes time gas exchange；Decoding unit receives the DTMF units that collect the digits Voice PCM signal be decoded, and be sent into third single machine unit；DTMF collect the digits unit receive alarm transfer to DTMF letter Number, row decoding of going forward side by side is reduced to digital signal and is sent into third single machine unit；Third single machine unit is to decoded voice signal It is handled with the digital signal of decoding, and host computer is sent to by serial communication unit；The loud speaker of host computer is to voice Signal plays out, while host computer carries out curve fitting to digital signal and real-time display.

Fire alarm unit selects smoke sensor device, smoke sensor device to select gas sensitive tube HQ-2.By gas sensitive tube HQ- when debugging 2 are put into certain density smog gas sample detection bottle or sample sack, adjust sensitivity, are at criticality alarm state.Nacelle Prewarning unit of intaking selects pressure sensor, pressure sensor to select diffusion silicon hydraulic pressure sensor.When nacelle is intake, hydraulic pressure Pressure directly acts on the diaphragm of sensor, and diaphragm generates the micro-displacement directly proportional to hydraulic pressure, and the resistance value of sensor is made to send out Changing, the canonical measure signal of conversion one corresponding pressure of output.It trespasses prewarning unit and selects infrared sensor, Electric signal is exported when detecting that nacelle has mobile object.

First singlechip unit, which is mainly responsible for the collected analog signal of sensor received by conditioning and carries out A/D, to be turned It is changed to digital signal, then goes to corresponding interrupt processing process, judgement is what situation where naval vessel have occurred, and It controls dtmf dialing unit and generates corresponding dtmf signal, complete the calling to warship safety duty room receiver.Second monolithic Machine unit mainly controls TSIU time slot interchange unit and carries out time gas exchange, by audio alert signal exchange to safe duty room receiver Assigned timeslot.Third single machine unit is mainly completed at the audio alert signal of reception and the digital signal of gathered data It manages and is uploaded to host computer.First singlechip unit, second singlechip unit and third single machine unit select 16 monolithics The EEPROM of the RAM and 2KB of machine MC95S12DJ128, Flash, 8KB of built-in 128KB.With 5V input and driving capability, CPU working frequencies can reach 50MHz.The independent number I/O interfaces in 29 tunnels, 20 road bands interrupt and the digital I/O of arousal function connects Mouthful, 10 A/D converters in 28 channels, input capture/output with 8 channels is compared, and also has 8 programmable PWM logical Road.With 2 serial asynchronous communication interface SCI, 2 synchronous serial Peripheral Interface SPI, I2C buses and CAN function modules etc.. System power dissipation is extremely low, and function is very powerful.

DTMF dial/collect the digits unit be realize telephone wire telecommunication alarm key component, it need realize auto dialing, The functions such as busy tone identification, the tinkle of bells identification, the identification of remote key-press digital signal.As shown in Fig. 2, dtmf dialing unit includes simulation / digit receiver U1, quartz crystal oscillator X1, resistance R1~R5 and capacitance C1~C4 are dialled, wherein simulation group/digit receiver U1 selects DTMF two-way Transmit/receive integrated chip MT8880.MT8880 is low in energy consumption, and reliability is high, designs, can generate exclusively for the transmitting-receiving of dtmf signal Dtmf signal is sent, and reception decoding can be carried out to dtmf signal, moreover it is possible to judge various signal sound (dialing tone, ring-back tone, busy tones Deng).MT8880 can control and receive state and transmission state by different orders, with three classes register：Data are posted Storage, transmitting-receiving control register and reiving/transmitting state register are controlled by three control foot RSI, R/W and CP feet respectively.The Prestore safe duty room receiver number in the internal storage of one single machine unit, once fire occurs, nacelle is intake, illegal The dangerous situations such as intrusion, MT8880 generate corresponding dtmf signal, complete the calling that duty room receiver is installed to naval vessel, moreover it is possible to effectively Ground judges the state of current line.

As shown in figure 3, coding/decoding unit includes encoder U2, resistance R6~R8 and capacitance C5, wherein coder/decoder U2 Select 8 bits serial As rule companding codec TP3057.TP3057 is included one and is compiled using the A rule pulses of D/A, A/D transformational structure The codec circuit and a serial pcm interface of code modulation, by what is pre-saved in first singlechip unit internal storage The audio alert signal recorded is converted to 8 A rule PCM codes outputs.

Time gas exchange is a kind of asynchronous time division signal, and exchange is called asynchronous time division exchange.In digital SPC exchange, Voice signal from different user or analog trunk is first converted to digital signal, and it is multiple to be multiplexed to different PCM With on line, internal digital exchange network is then accessed.For the call for realizing between different user, digital switching network must be completed The content exchange of certain time slot arrives on the exchange of different time-gap between different multiplexing lines, i.e. digital switching network input multiplexing line Assigned timeslot on specified output multiplexing line.

The audio alert signal of 8 A rule PCM codes of TP3057 outputs, warship safety value is exchanged to through TSIU time slot interchange unit The assigned timeslot of class's room receiver, host computer loud speaker plays the voice signal after circuit is connected, and realizes audio alert.Time slot Crosspoint selects the time slot digital exchange chip MT8980 of 8 lines × 32, is a kind of Low-Power CMOS chip of function admirable.In it Portion includes string-and converter, data storage, frame counter, control interface, contiguous memory, control register, output The functional units such as multiplex circuit and paralled to serial converter.Input and output are all connected with 8 PCM group data lines, in control signal function Under, realize that the clog-free number of most 256 railway digital voices or data exchanges.Channel speed 64Kb/s, connects with microprocessor Mouthful, as shown in figure 4, the wiring of MT8980 and MC95S12DJ128 and uncomplicated, but wherein DS feet and DTA feet is more crucial.DS The synchronizing signal of foot and DTA feet as data exchange between MC95S12DJ128 and MT8980, in the rising of DS foot gating signals Edge, if the chip selection signal of MT8980, data/address line and read-write are effective, MC95S12DJ128 starts to MT8980 It is written and read operation, after completing corresponding data transmission between MT8980 and MC95S12DJ128 or receiving, MT8980's Data answering signal DAT feet send out a failing edge, indicate that current data exchange is completed, can carry out next operation.It can be with MT8980 is directly controlled with the I/O mouths of MC95S12DJ128, when reading and writing MT8980, need to judge whether DAT feet are low effective.

After third single machine unit handles the audio alert signal of reception and the digital signal of gathered data, pass through Serial communication unit is uploaded to host computer.It is Transistor-Transistor Logic level with input and output since host computer serial ports is RS232 standard interfaces MC95S12DJ128 it is inconsistent on interface specification, therefore the serial communication between MC95S12DJ128 and host computer need into The level conversion of row TTL-RS232.As shown in figure 5, serial communication unit include serial port level conversion core piece U4, connector J1, Capacitance C6~C10, wherein serial port level conversion core piece U4 are that standard RS232 interface chip MAX232, connector J1 connect for 9 needles Device.MAX232 can use the level of univoltage+5V realization RS232 interface logical ones (- 15~3V) and logical zero (3~15V) Conversion.The RXD mouths of MC95S12DJ128 are serial input terminal, and TXD mouthfuls are serial output terminal.9 needle connector J1 connection host computers Serial ports, RS232 standard for serial communication interfaces are easy to use, and wiring is few and transmission range is up to 15m.

Alarm is in parallel with warship marine telephone set using warship marinet telephone exchange network as transmission medium, is only alarming Period occupies telephone line, is detached from telephone line after alarm, does not influence the normal use of telephone set.Actual use When, can alarm be installed in multiple positions of naval vessel nacelle as needed, once fire, water inlet, non-occurs for some position The dangerous situations such as method intrusion, are issued by alarm level signal after Sensor monitoring to fortuitous event, dtmf dialing unit is on duty to safety Room receiver transfers to dtmf signal, and the loud speaker of host computer plays the voice signal recorded in advance after circuit is connected, and realizes Audio alert, and host computer carries out curve fitting to the data of acquisition and real-time display, is clearly visible acquired data, To realize the warning function of system.

The utility model provides a kind of sea-freight naval vessel automatic alarm system, uses the remote control of naval vessel telephone network Mode need not carry out special wiring using existing wired telephone line resource, when there is alarm signal, can enjoy electricity The priority that words circuit uses, and acquired data can be clearly seen from host computer, realize the warning function of system, structure Simply, of low cost, stability and reliability are high, and response is sensitive, can fast and effeciently solve the anti-terrorism on naval vessel, antitheft, fire prevention Equal security protections problem provides reliable guarantee to the safety of sea-freight transport, is with a wide range of applications.

Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality With novel claimed technology contents, all record in detail in the claims.

Claims (7)

1. a kind of sea-freight naval vessel automatic alarm system, it is characterised in that：Including alarm and receiver；The alarm is installed on Multiple positions of naval vessel nacelle, the receiver are installed on warship safety duty room, and the alarm passes through with the receiver Warship marinet telephone exchange network is communicatively coupled；

The alarm includes fire alarm unit, nacelle water inlet prewarning unit, trespasses prewarning unit, signal condition list Member, first singlechip unit, dtmf dialing unit and coding unit；The fire alarm unit, nacelle water inlet early warning list The first and described forcible entry prewarning unit monitors nacelle fire, water inlet and trespasses dangerous situation respectively, exports faint analog telecommunications Number, it is sent into the signal condition unit；The signal condition unit carries out shaping filter amplification to the ultra-weak electronic signal of feeding, defeated Go out the A/D ALT-CH alternate channels for being sent into the first singlechip unit；The first singlechip unit carries out the analog electrical signal A/D is converted, and is controlled the dtmf dialing unit and generated corresponding dtmf signal；The dtmf dialing unit realizes automatic poking Number, busy tone identification, the tinkle of bells identification, remote key-press digital signal identification function, to receiver described in warship safety duty room dial Go out the dtmf signal；The coding unit will be pre-stored in the voice signal in the first singlechip unit internal storage and turn It is changed to PCM signal, the receiver is transferred to by the telephone-switching network；

The receiver includes that TSIU time slot interchange unit, second singlechip unit, decoding unit, DTMF collect the digits unit, third monolithic Machine unit, serial communication unit and host computer；Voice PCM signal is exchanged to the DTMF and collected the digits list by the TSIU time slot interchange unit The assigned timeslot of member；The second singlechip unit controls the TSIU time slot interchange unit and completes time gas exchange；The decoding unit The DTMF voice PCM signals that unit receives that collect the digits are decoded, and are sent into the third single machine unit；Institute It states the DTMF units that collect the digits and receives the dtmf signal that the alarm is transferred to, row decoding of going forward side by side is reduced to digital signal and is sent into institute State third single machine unit；The third single machine unit handles the digital signal of decoded voice signal and decoding, And the host computer is sent to by the serial communication unit；The loud speaker of the host computer broadcasts the voice signal It puts, while the host computer carries out curve fitting to digital signal and real-time display.

2. a kind of sea-freight naval vessel automatic alarm system according to claim 1, it is characterised in that：The fire alarm unit Smoke sensor device, the smoke sensor device is selected to select gas sensitive tube HQ-2；The nacelle water inlet prewarning unit selects pressure sensing Device, the pressure sensor select diffusion silicon hydraulic pressure sensor；The forcible entry prewarning unit selects infrared sensor.

3. a kind of sea-freight naval vessel automatic alarm system according to claim 1, it is characterised in that：The first singlechip list First, the described second singlechip unit and the third single machine unit select 16 microcontroller MC95S12DJ128.

4. a kind of sea-freight naval vessel automatic alarm system according to claim 1, it is characterised in that：The dtmf dialing unit Collect the digits unit circuit structure having the same with the DTMF, including simulation dial/digit receiver, quartz crystal oscillator, the first~the 5th electricity Resistance and the first~the 4th capacitance, wherein the simulation group/digit receiver is selected, DTMF is two-way to transmit/receive integrated chip MT8880.

5. a kind of sea-freight naval vessel automatic alarm system according to claim 1, it is characterised in that：The coding unit and institute Decoding unit circuit structure having the same, including coder/decoder, the 6th~the 8th resistance and the 5th capacitance are stated, wherein described Coder/decoder selects 8 bits serial As rule companding codec TP3057.

6. a kind of sea-freight naval vessel automatic alarm system according to claim 1, it is characterised in that：The TSIU time slot interchange unit Select the time slot digital exchange chip MT8980 of 8 lines × 32.

7. a kind of sea-freight naval vessel automatic alarm system according to claim 1, it is characterised in that：The serial communication unit Including serial port level conversion core piece, connector, the 6th~the tenth capacitance, wherein the serial port level conversion core piece is standard RS232 interface chip MAX232, the connector are 9 needle connectors.