CN207369132U - Sound optionally gets communication signal device ready - Google Patents

Abstract

More particularly to a kind of sound of the utility model optionally gets communication signal device ready, including explosion-proof chamber and intrinsic safety chamber, the explosion-proof chamber is made of explosion-proof type body, protecgulum and rear cover, intrinsic safety chamber is made of intrinsic safety housing and intrinsic safety lid, and it is gray cast iron HT250 that explosion-proof type body and intrinsic safety housing, which are integrated cast structure and both materials,；Transformer, power circuit and sound circuit are provided with explosion-proof chamber；Intrinsic safety intracavitary is provided with called functional circuit and functional circuit of giving orders or instructions, and called functional circuit and functional circuit of giving orders or instructions realize the communication respectively got ready between communication signal device.By setting integrated explosion-proof chamber and intrinsic safety chamber, ensure that the present apparatus can be applicable in various environment, transformer and power circuit are integrated with the present apparatus, intrinsic safety electric source is additionally configured without producer, directly using ore deposit side's power supply can, it is very easy to use, quick；Meanwhile called functional circuit is set and functional circuit of giving orders or instructions can realize multiple on-line communication functions of getting ready between communication signal device.

Description

Sound optionally gets communication signal device ready

Technical field

Mining technical field of communication equipment is the utility model is related to, more particularly to a kind of sound optionally gets communication signal ready Device.

Background technology

Get the important equipment that communication signal device is colliery and the safety in production of other non-coal mines, domestic many producer's lifes ready Production, but it is substantially following several features：(1) product is powered：The friendship such as 1140V, 660V, 380V, 127V is generally provided in colliery Galvanic electricity source, but the product of most of producers cannot be directly using ore deposit side's power supply, it is necessary to which ore deposit side buys intrinsic safety electric source again.(2) report Alert display function：Common product all can only a kind of state language of alarm indication, it is impossible to reaches the need of a tractor serves several purposes in actual production Ask.(3) job site：Common product job site is single, is such as used in well head, or is used in air door, or is used in bend, Need to buy again if necessary to replace use environment.(4) communication function：Common product does not possess online Language Communication function.

Utility model content

Optionally get communication letter ready the purpose of this utility model is to provide a kind of sound of applicable a variety of use environments Number device.

In order to achieve the above object, the technical solution adopted in the utility model is：A kind of sound optionally gets communication signal ready Device, including explosion-proof chamber and intrinsic safety chamber, the explosion-proof chamber are made of explosion-proof type body, protecgulum and rear cover, and intrinsic safety chamber is by intrinsic safety It is gray cast iron HT250 that housing and intrinsic safety lid composition, explosion-proof type body and intrinsic safety housing, which are integrated cast structure and both materials,； Transformer, power circuit and sound circuit are provided with explosion-proof chamber, transformer is used for the voltage for reducing mine power resource, power circuit For the alternating voltage after decompression to be converted into intrinsic safety electric source, sound circuit is used to set voice；Intrinsic safety intracavitary is provided with called Functional circuit and functional circuit of giving orders or instructions, called functional circuit are used for the voice carrier signal that other are got ready communication signal device and are sent It is converted into sound and is sent by loudspeaker, functional circuit of giving orders or instructions is used to the sound of operating personnel being converted into electric signal output extremely Other are got ready on communication signal device.

Further, the alternating voltage of transformer output successively by the rectifier bridge rectification of four diodes compositions, 24V DC voltages are exported after capacitor filtering, 24V DC voltages are protected by the dual overcurrent-overvoltage of chip LM317 and LM393 composition 10V intrinsic safety electric sources are exported after protection circuit as called functional circuit, functional circuit power supply of giving orders or instructions.

Further, the sound circuit includes chip AP8942A, four kinds of language built in chip AP8942A.

Further, the called functional circuit includes chip LM567, chip LM386 and loudspeaker, other are got ready The voice carrier signal that communication signal device is sent is exported to chip by four high_voltage isolation capacitances and coupling amplification coil LM567 carries out carrier wave and detection, and the stiff signal of chip LM567 outputs promotes loudspeaker sounding by chip LM386.

Further, the functional circuit of giving orders or instructions includes chip LM567, chip LM386 and microphone MIC, operator The sound of member is sent into exports audio signal after chip LM386 amplifies by microphone MIC, which is closed by chip LM567 Through overcoupling amplify coil and four high voltage capacitor couplings after into CF signal and sent to power cord to other and get communication ready Signalling means.

Further, it is provided with explosion-proof type on the protecgulum and gets button ready, gets button ready and be made of H62 materials；It is anxious Stop button, communication button, indicator light, Mike, waterproof speaker are arranged at intrinsic safety and cover.

Compared with prior art, there are following technique effect for the utility model：By setting integrated explosion-proof chamber and this Pacify chamber, ensure that the present apparatus can be applicable in various environment, transformer and power circuit are integrated with the present apparatus, without producer Extra configuration intrinsic safety electric source, directly use ore deposit side's power supply can, it is very easy to use, quick；Meanwhile called work(is set Energy circuit and functional circuit of giving orders or instructions can realize multiple on-line communication functions of getting ready between communication signal device.

Brief description of the drawings

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the front view of the utility model；

Fig. 3 is the circuit diagram set in explosion-proof chamber；

Fig. 4 is the circuit diagram of the setting of intrinsic safety intracavitary.

Embodiment

With reference to Fig. 1 to Fig. 4, the utility model is described in further detail.

Refering to Fig. 1, Fig. 2, a kind of sound optionally gets communication signal device, including explosion-proof chamber and intrinsic safety chamber ready, and described is anti- Blast chamber is made of explosion-proof type body 11, protecgulum 12 and rear cover 13, and intrinsic safety chamber is made of intrinsic safety housing 21 and intrinsic safety lid 22, explosion-proof It is gray cast iron HT250 that type body 11 and intrinsic safety housing 21, which are integrated cast structure and both materials,；Change is provided with explosion-proof chamber Depressor, power circuit and sound circuit, transformer are used for the voltage for reducing mine power resource, and power circuit is used for the friendship after decompression Galvanic electricity pressure is converted into intrinsic safety electric source, and sound circuit is used to set voice；Intrinsic safety intracavitary is provided with called functional circuit and work(of giving orders or instructions Can circuit, called functional circuit, which is used to getting other ready voice carrier signal that communication signal device sends, to be converted into sound and passes through Loudspeaker is sent, and functional circuit of giving orders or instructions is used to the sound of operating personnel being converted into electric signal output getting communication signal ready to other On device.By setting integrated explosion-proof chamber and intrinsic safety chamber, ensure that the present apparatus can be applicable in various environment, by transformer and power supply Circuit is integrated with the present apparatus, and intrinsic safety electric source is additionally configured without producer, directly using ore deposit side's power supply can, using rise Come very convenient, quick；Meanwhile called functional circuit is set and functional circuit of giving orders or instructions can be realized and multiple get communication signal device ready Between on-line communication function.

Refering to Fig. 3, Fig. 4, the specific implementation of power circuit, sound circuit, called functional circuit and functional circuit of giving orders or instructions Mode has many kinds, provides a kind of more preferable scheme here for reference.

Preferably, power unit exchange 36V (or 127V) power supply correspond to access " 0,36V, 127V " ends, via can recover to protect Dangerous silk is sent to transformer, and transformer output exchange 19V voltages are defeated after the rectifier bridge rectification, capacitor filtering through 4 diode compositions Go out direct current 24V voltages, then be allowed to the stable DC24V of output by power module and give the element such as chip LM317 and chip LM393 The dual overcurrent-overvoltage protecting circuit of composition, exports the intrinsic safety electric source of 10V, and intrinsic safety intracavitary is supplied through wire connection terminal " 10V, ground connection " Circuit board.

A, B is external power supply binding post, and C is intermediate connection column.When AB accesses 127/36 power supply of external power supply, power panel Final output DC10V direct currents are used for other circuits, press " getting ready " button (red), the optocoupler of the power strip module of the machine P521 circuits turn on, and block of speech AP8942A obtains electric, and power amplifier of the exports audio signal to intrinsic safety intracavitary, the machine sends voice, Block of speech AP8942A dispatches from the factory built-in 4 kinds of voices, is selected by SW1, can be all at this time online according to customer requirement recorded speech Each C binding posts and B binding posts form electric power loop by high-performance sealed relay, ring module start ring and LED1, LED2 shines.Bell signal gives chip LM386 by C11 and promotes loudspeaker Y to send the tinkle of bells.Joined in the past in such product circuit Each the C binding posts and B binding posts of machine form electric power loop by bidirectional triode thyristor, and bidirectional triode thyristor is small but allows load electricity Flow small, isolation performance is not so good as sealed relay.

Relevant connection get ready language carrier signal that communication signal device sends by four high_voltage isolation capacitances 103 and Coupling amplification coil L1, L2 give chip LM567, and gained voice signal gives chip LM386 promotions by D10 and raises one's voice after detection Device sounding.

" call " button (green) is pressed, chip LM386 has electricity, and sound is sent into chip LM386 through microphone MIC and is amplified.Put Audio signal after big, the coupled amplification coil L2 of CF signal and L1 and four high-voltage capacitance are synthesized by chip LM567 It is coupled on power cord A, B, is sent to other each, realizes function of giving orders or instructions.

Preferably, it is provided with explosion-proof type on the protecgulum 12 and gets button ready, gets button ready and be made of H62 materials；It is anxious Stop button, communication button, indicator light, microphone MIC, loudspeaker to be arranged on intrinsic safety by soket head cap screw and cover, scram button Push piece joint is provided with communication button, can be with waterproof.The circuit board of circuit board and intrinsic safety intracavitary in explosion-proof chamber passes through Explosion-proof wiring terminal, which is formed, to be electrically connected, and clamp nut, rubber ring, baffle are provided with explosion-proof wiring terminal, and centre passes through eight cores Flame retardant cable.

Claims (6)

1. a kind of sound optionally gets communication signal device ready, it is characterised in that：Including explosion-proof chamber and intrinsic safety chamber, the explosion-proof chamber It is made of explosion-proof type body (11), protecgulum (12) and rear cover (13), intrinsic safety chamber is by intrinsic safety housing (21) and intrinsic safety lid (22) structure The material that cast structure and both are integrated into, explosion-proof type body (11) and intrinsic safety housing (21) is gray cast iron HT250；Explosion-proof chamber Transformer, power circuit and sound circuit are inside provided with, transformer is used for the voltage for reducing mine power resource, and power circuit is used for will Alternating voltage after decompression is converted into intrinsic safety electric source, and sound circuit is used to set voice；Intrinsic safety intracavitary is provided with called function electricity Road and give orders or instructions functional circuit, called functional circuit, which is used to getting other ready voice carrier signal that communication signal device sends, to be converted into Sound is simultaneously sent by loudspeaker, and functional circuit of giving orders or instructions is used to the sound of operating personnel being converted into electric signal output to other dozens On point communication signal device.

2. sound as claimed in claim 1 optionally gets communication signal device ready, it is characterised in that：The friendship of the transformer output Galvanic electricity pressure successively the rectifier bridge rectification by four diodes composition, 24V DC voltages, 24V direct currents are exported after capacitor filtering Press and 10V intrinsic safety electric sources are exported after the dual overcurrent-overvoltage protecting circuit of chip LM317 and LM393 composition as called function electricity Road, functional circuit power supply of giving orders or instructions.

3. sound as claimed in claim 2 optionally gets communication signal device ready, it is characterised in that：The sound circuit includes Four kinds of language built in chip AP8942A, chip AP8942A.

4. sound as claimed in claim 3 optionally gets communication signal device ready, it is characterised in that：The called functional circuit Include the loudspeaker of chip LM567, chip LM386 and waterproof, other get the voice carrier signal that communication signal device is sent ready Exported by four high_voltage isolation capacitances and coupling amplification coil defeated to chip LM567 progress carrier waves and detection, chip LM567 The stiff signal gone out promotes loudspeaker sounding by chip LM386.

5. sound as claimed in claim 4 optionally gets communication signal device ready, it is characterised in that：The functional circuit of giving orders or instructions Including chip LM567, chip LM386 and microphone MIC, the sound of operating personnel is sent into chip LM386 amplifications by microphone MIC Exports audio signal afterwards, the audio signal through overcoupling after chip LM567 synthesis CF signals by amplifying coil and four High voltage capacitor coupling gets communication signal device ready to sending to other on power cord.

6. sound as claimed in claim 5 optionally gets communication signal device ready, it is characterised in that：Set on the protecgulum (12) It is equipped with explosion-proof type and gets button ready, gets button ready and be made of H62 materials；Scram button, communication button, indicator light, microphone MIC, Loudspeaker is arranged at intrinsic safety and covers.