CN104503334B - Mine digital encodes remote control voice acousto-optic case circuit - Google Patents
Mine digital encodes remote control voice acousto-optic case circuit Download PDFInfo
- Publication number
- CN104503334B CN104503334B CN201410837134.9A CN201410837134A CN104503334B CN 104503334 B CN104503334 B CN 104503334B CN 201410837134 A CN201410837134 A CN 201410837134A CN 104503334 B CN104503334 B CN 104503334B
- Authority
- CN
- China
- Prior art keywords
- resistance
- pin
- electric capacity
- circuit
- voice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
Abstract
The invention discloses a kind of mine digital to encode remote control voice acousto-optic case circuit, including coding-control output circuit, power module, control signal split circuit, master cpu, address controlling switch, voice recording and playing circuit, light alarm driving and display circuit, voice playing device.The present invention is with alarm voice is variable, circuit reliability is high, device communication response is flexible, the beneficial effect of automatic identification two-wire system polarity.
Description
Technical field
The present invention relates to a kind of mining voice acousto-optic case, more particularly to a kind of mining language with digital coding remote control
Speech light box circuit, belongs to mining equipment technical field.
Background technology
The phonetic alarm of underground voice acousto-optic case is all the single voice of content at present, for example：Gas exceeding limit, danger
No through traffic, ventilating fan stopped etc., and each voice acousto-optic case can not convert alarm content, lacks the feature flexibly used,
Again because voice acousto-optic case is wire controlled, circuit is alarmed after connecting, and lacks remote control means.
The content of the invention
It is an object of the invention to provide a kind of mine digital to encode remote control voice acousto-optic case circuit, two cored wires of powering
Road superposition manipulation coding, has holographic broadcast remote multi-path control function, and device is independently differentiated and responded control by address
Signal processed, realize audio alert content-variable.
The purpose of the present invention is achieved by the following technical programs：
A kind of mine digital encodes remote control voice acousto-optic case circuit, including coding-control output circuit 1, power module
2nd, control signal split circuit 3, master cpu 4, address controlling switch 5, voice recording and playing circuit 6, light alarm driving
With display circuit 7, voice playing device 8, wherein coding-control output circuit 1 is connected with power module 2, coding-control output electricity
Road 1 is connected with control signal split circuit 3, and power module 2 is connected with master cpu 4, and power module 2 is with light alarm driving with showing
Show that circuit 7 connects, power module 2 is connected with voice playing device 8, and control signal split circuit 3 is connected with master cpu 4, communication
Address controlling switch 5 is connected with master cpu 4, and master cpu 4 is connected with voice recording and playing circuit 6, voice recording and broadcasting
Circuit 6 is driven with light alarm and is connected with display circuit 7, and voice recording and playing circuit 6 are connected with voice playing device 8.
The purpose of the present invention can also further be realized by following technical measures：
Foregoing mine digital encodes remote control voice acousto-optic case circuit, wherein control signal split circuit 3 by resistance R1,
Resistance R3, diode D5, resistance R30, half adder CD4070 compositions, the output end of coding-control output circuit 1 and resistance R1 one end
Connection, 1 another output end of coding-control output circuit are connected with diode D5 negative pole, diode D5 positive pole and resistance R30
One end connects, and the resistance R1 other ends are connected in parallel in resistance R3 one end, the resistance R3 other ends and half adder with the resistance R30 other ends
CD4070 1 pin connection, half adder CD4070 2 pin are connected with VCC power supplys, half adder CD4070 3 pin and half adder
CD4070 9 pin connection, half adder CD4070 8 pin are connected with an I/O of master cpu 4, half adder CD4070 10 pin and
The I/O mouth connection of master cpu 4.
Foregoing mine digital encodes remote control voice acousto-optic case circuit, and wherein voice recording and playing circuit 6 is by voice
Process chip U1, switch J1, Audio input jack J2, resistance R4, resistance R5, resistance R8, resistance R10, resistance R11, resistance
R12, resistance R14, electric capacity C6, electric capacity C8, electric capacity C11, electric capacity c12, electric capacity c16, electric capacity c17, electrochemical capacitor c18, electrolysis electricity
Hold C20, LED 1 to form, 8 I/O delivery outlets of master cpu 4 respectively with pronounciation processing chip U1 1,2,3,4,
5th, 6,9,10 pin are connected, and the control output end I/O mouths of master cpu 4 are connected with pronounciation processing chip U1 24 pin, switch J1 one end
It is connected to ground, the switch J1 other ends are connected with pronounciation processing chip U1 27 pin, pronounciation processing chip U1 25 pin and luminous two
Pole pipe LED1 negative poles are connected, and the positive pole of LED 1 is connected with resistance R12 one end, the resistance R12 other ends and power supply VCC
Connection, pronounciation processing chip U1 26 pin are connected to ground, and pronounciation processing chip U1 16,28 pin are in parallel to be connected with power supply VCC, language
Sound process chip U1 12,13 pin parallel connections are connected with electric capacity c8 one end, electric capacity c11 one end and ground respectively, the electric capacity c8 other ends and
The electric capacity c11 other ends are connected with power supply VCC, and pronounciation processing chip U1 14 pin are connected with electric capacity c6 one end, the electric capacity C16 other ends
It is connected with resistance R10 one end, the resistance R10 other ends are connected with voice playing device 8, pronounciation processing chip U1 20 pin and electric capacity
C12 one end is connected, and the electric capacity C12 other ends are connected with resistance R8 one end, 21 pin of the resistance R8 other ends and pronounciation processing chip U1
Connection, pronounciation processing chip U1 18 pin are connected with electric capacity c16 one end, the electric capacity c16 other ends respectively with resistance R4 one end and sound
Frequency input socket J2 2 pin connection, the resistance R4 other ends are connected with electrochemical capacitor c18 positive poles and resistance R11 one end, are electrolysed respectively
Electric capacity c18 negative poles are connected with Audio input jack J2 1 pin, and the resistance R11 other ends are connected with power supply VCC, pronounciation processing chip
U1 17 pin are connected with electric capacity c17 one end, the electric capacity c17 other ends respectively with resistance R15 one end and Audio input jack J2 3 pin
Connection, the resistance R5 other end is connected to ground, pronounciation processing chip U1 19 pin respectively with resistance R14 one end and electrochemical capacitor
C20 positive poles are connected, and the resistance R14 other ends and electrochemical capacitor C20 negative poles are connected to ground respectively.
Foregoing mine digital encodes remote control voice acousto-optic case circuit, and wherein voice playing device 8 is by speech amplifier
Module and loudspeaker module composition.
Foregoing mine digital encodes remote control voice acousto-optic case circuit, the voice amplification wherein in voice playing device 8
Device module is made up of audio integrated power amplifier U2, electric capacity c13, electric capacity c14, electrochemical capacitor c19, electric capacity C15, resistance R13, audio
Integrated power amplifier U2 1 pin is connected with electric capacity c14 one end, and the electric capacity c14 other ends are connected with audio integrated power amplifier U2 8 pin,
Audio integrated power amplifier U2 2 pin are connected to ground, voice recording and the output end of playing circuit 6 and the 3 of audio integrated power amplifier U2
Pin connects, and audio integrated power amplifier U2 4 pin are connected to ground, electrochemical capacitor c19 one end respectively with audio integrated power amplifier U2 5
Pin is connected with electric capacity c15 one end, and the electrochemical capacitor c19 other ends are connected with the loudspeaker module in voice playing device 8, electric capacity
The C15 other ends are connected with resistance R13 one end, and the resistance R13 other ends are connected to ground, audio integrated power amplifier U2 6 pin and power supply
VCC connections, audio integrated power amplifier U2 7 pin are connected with electric capacity C13-end, and the electric capacity c13 other ends are connected to ground.
Foregoing mine digital encodes remote control voice acousto-optic case circuit, and wherein address controlling switch 5 is that dial-up is opened
Close.
Foregoing mine digital encodes remote control voice acousto-optic case circuit, wherein the loudspeaker mould in voice playing device 8
Block is waterproof intrinsic safety loudspeaker.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention uses the technical scheme of voice recording and playing circuit, to obtain the skill that can independently edit alarm content
Art effect, the present invention are also combined using power supply two coring circuits superposition manipulation coding, broadcast communication mode, address controlling switch
Use, each device sets the address of device and address itself that can be by and behaviour by address controlling switch
The subsidiary address code of control-register code relatively judges whether accordingly, can control multiple devices so as to obtain a bus, device can be certainly
The technique effect of main response control.The control signal split circuit of the present invention coordinates master control cPU simultaneously, and two-wire system can be avoided defeated
The problem of entering polarity connection error, the also technique effect with automatic identification two-wire system polarity
Brief description of the drawings
Fig. 1 is the circuit diagram of the present invention.
Fig. 2 is the circuit diagram of control signal split circuit of the present invention.
Fig. 3 is the circuit diagram of present invention control drive device.
Fig. 4 is the circuit diagram of the speech amplifier module in voice playing device of the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of heretofore described mine digital coding remote control voice acousto-optic case circuit, including compile
Code control output circuit 1, power module 2, control signal split circuit 3, master control cPU4, address controlling switch 5, voice
Record and playing circuit 6, light alarm drive and display circuit 7, voice playing device 8, wherein coding-control output circuit 1 and electricity
Source module 2 is connected, and coding-control output circuit 1 is connected with control signal split circuit 3, and power module 2 is connected with master cpu 4,
Power module 2 is driven with light alarm and is connected with display circuit 7, and power module 2 is connected with voice playing device 8, control signal point
It is connected from circuit 3 with master cpu 4, address controlling switch 5 is connected with master cpu 4, master cpu 4 and voice recording and is broadcast
Electric discharge road 6 connects, and voice recording and playing circuit 6 drive with light alarm and be connected with display circuit 7, voice recording and playing circuit
6 are connected with voice playing device 8.
As shown in Fig. 2 heretofore described control signal split circuit 3 is by resistance R1, resistance R3, diode D5, electricity
R30, half adder CD4070 composition are hindered, the output end of coding-control output circuit 1 is connected with resistance R1 one end, coding-control output electricity
1 another output end of road is connected with diode D5 negative pole, and diode D5 positive pole is connected with resistance R30 one end, and resistance R1 is another
End is connected in parallel in resistance R3 one end with the resistance R30 other ends, and the resistance R3 other ends are connected with half adder CD4070 1 pin, and half
Device CD4070 2 pin are added to be connected with VCC power supplys, half adder CD4070 3 pin are connected with half adder CD4070 9 pin, half adder
CD4070 8 pin are connected with an I/O of master cpu 4, and half adder CD4070 10 pin connect with an I/O mouth of master cpu 4
Connect.
As shown in figure 3, heretofore described voice recording and playing circuit 6 are by pronounciation processing chip ISD1110, switch
J1, Audio input jack J2, resistance R4, resistance R5, resistance R8, resistance R10, resistance R11, resistance R12, resistance R14, electric capacity
C6, electric capacity c8, electric capacity c11, electric capacity c12, electric capacity c16, electric capacity c17, electrochemical capacitor c18, electrochemical capacitor C20, light emitting diode
LED1 is formed, 8 I/O delivery outlets of master cpu 4,1,2,3,4,5,6,9,10 pin with pronounciation processing chip ISD1110 respectively
Connection, the control output end I/O mouths of master cpu 4 are connected with pronounciation processing chip ISD1110 24 pin, switch J1 one end and ground
Connection, switch the J1 other ends be connected with pronounciation processing chip ISD1110 27 pin, pronounciation processing chip ISD1110 25 pin and
The negative pole of LED 1 connects, and the positive pole of LED 1 is connected with resistance R12 one end, the resistance R12 other ends and
Power supply VCC connections, pronounciation processing chip ISD1110 26 pin are connected to ground, and pronounciation processing chip ISD1110 16,28 pin are simultaneously
Connection is connected with power supply VCC, pronounciation processing chip ISD1110 12,13 pin parallel connections respectively with electric capacity c8 one end, electric capacity C11 one end
Connected with ground, the electric capacity c8 other ends and the electric capacity c11 other ends are connected with power supply VCC, pronounciation processing chip ISD1110 14 pin with
Electric capacity c6 one end is connected, and the electric capacity c16 other ends are connected with resistance R10 one end, and the resistance R10 other ends connect with voice playing device 8
Connecing, pronounciation processing chip ISD1110 20 pin are connected with electric capacity C12 one end, and the electric capacity C12 other ends are connected with resistance R8 one end,
The resistance R8 other ends are connected with pronounciation processing chip ISD1110 21 pin, pronounciation processing chip ISD1110 18 pin and electric capacity
C16 one end is connected, and 2 pin of the electric capacity c16 other ends respectively with resistance R4 one end and Audio input jack J2 are connected, and resistance R4 is another
End is connected with electrochemical capacitor c18 positive poles and resistance R11 one end respectively, 1 pin of electrochemical capacitor c18 negative poles and Audio input jack J2
Connection, the resistance R11 other ends are connected with power supply VCC, and pronounciation processing chip ISD1110 17 pin are connected with electric capacity c17 one end, electricity
Holding 3 pin of the c17 other ends respectively with resistance R15 one end and Audio input jack J2 to be connected, the resistance R5 other end is connected to ground,
Pronounciation processing chip ISD1110 19 pin are connected with resistance R14 one end and electrochemical capacitor C20 positive poles respectively, the resistance R14 other ends
It is connected to ground respectively with electrochemical capacitor C20 negative poles.
Heretofore described voice playing device 8 is made up of speech amplifier module and loudspeaker module.
As shown in figure 4, the speech amplifier module in heretofore described voice playing device 8 is by audio integrated amplifier
Device LM386, electric capacity C13, electric capacity C14, electrochemical capacitor C19, electric capacity C15, resistance R13 compositions, audio integrated power amplifier LM386's
1 pin is connected with electric capacity c14 one end, and the electric capacity c14 other ends are connected with audio integrated power amplifier LM386 8 pin, audio integrated amplifier
Device LM386 2 pin are connected to ground, and voice recording and the output end of playing circuit 6 are connected with audio integrated power amplifier LM386 3 pin,
Audio integrated power amplifier LM386 4 pin are connected to ground, electrochemical capacitor c19 one end respectively with audio integrated power amplifier LM386 5
Pin is connected with electric capacity c15 one end, and the electrochemical capacitor c19 other ends are connected with the loudspeaker module in voice playing device 8, electric capacity
The c15 other ends are connected with resistance R13 one end, and the resistance R13 other ends are connected to ground, audio integrated power amplifier LM386 6 pin and electricity
Source VCC connections, audio integrated power amplifier LM386 7 pin are connected with electric capacity c13 one end, and the electric capacity c13 other ends are connected to ground.
Wherein address controlling switch 5 is toggle switch；Loudspeaker module in voice playing device 8 is waterproof intrinsic safety
Loudspeaker.
Before erecting device, due to that can access multiple devices in a bus, control signal is sent with the forms of broadcasting, often
Individual device can all receive control signal, can adjust each voice acousto-optic case apparatus by address controlling switch according to demand
Address, address can be with identical, and identical address represents to move simultaneously when several devices receive control signal
Make.
No matter in normal work or when sending control signal, coding-control output circuit 1 can provide continuously not device
Disconnected power supply supply.
When needing alarm, coding-control output circuit 1 exports the polarity of a succession of positive and negative 18V voltages according to control instruction
Skip signal, the skip signal are sent in the form of broadcasting.
Skip signal enters control signal split circuit, is therefrom stripped out control signal by control signal split circuit
Being changed into 1 or 0 coding formed, (positive 18V represents 1, and 0) negative 18V is represented, then pass to master cpu, due to the two-wire system mode of connection
The possibility of 50% wiring error occurs, false wiring can cause control signal to monitor control by " phasing back ", master cpu
The beginning identifier for each field signal that demultiplexing circuit transmission processed comes, when the beginning identifier for finding signal starts with regulation
During identifier opposite in phase, then control signal split circuit is controlled to be always maintained at the phase of inverted receiver skip signal until receiving
Correctly stop reverse controls after beginning identifier, ensures that master cpu receives the letter that the transmission of control signal split circuit comes with this
Number correctness.
Due to that can access multiple devices in a bus, control signal is sent with the forms of broadcasting, and each device can be received
To control signal, when master control cPU receives control signal, address code that can be in control signal judges whether and address
Address set by controlling switch is identical, if the same drives voice recording and playing circuit 6 to carry out audio alert, and
Drive light alarm driving to carry out light instruction with display circuit 7 to alarm.
When needing to change alarm content, operating personnel can press the recording switch in voice recording and playing circuit 6
J1, and the alarm content needed for the microphone records by being plugged on Audio input jack J2, after the completion of recording, unclamp and record
Switch J1.
In addition to the implementation, the present invention can also have other embodiment, all to use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (2)
1. a kind of mine digital encodes remote control voice acousto-optic case circuit, including coding-control output circuit, power module, control
Demultiplexing circuit, master cpu, address controlling switch, voice recording and playing circuit processed, light alarm driving and display electricity
Road, voice playing device, wherein coding-control output circuit are connected with power module, coding-control output circuit and control signal
Split circuit is connected, and power module is connected with master cpu, and power module drives with light alarm and is connected with display circuit, power supply mould
Block is connected with voice playing device, and control signal split circuit is connected with master cpu, address controlling switch and master cpu
Connection, master cpu are connected with voice recording and playing circuit, voice recording and playing circuit and light alarm driving and display circuit
Connection, voice recording and playing circuit are connected with voice playing device；Characterized in that, the control signal split circuit is by electricity
Hinder R1, resistance R3, diode D5, resistance R30, half adder CD4070 composition, an output end of coding-control output circuit with
Resistance R1 one end is connected, and another output end of coding-control output circuit is connected with diode D5 negative pole, diode D5 positive pole
It is connected with resistance R30 one end, the resistance R1 other ends are connected in parallel in resistance R3 one end with the resistance R30 other ends, and resistance R3 is another
End be connected with half adder CD4070 1 pin, half adder CD4070 2 pin are connected with VCC power supplys, half adder CD4070 3 pin and
Half adder CD4070 9 pin connection, an I/O connection of half adder CD4070 8 pin and master cpu, half adder CD4070's
One I/O mouth of 10 pin and master cpu connects；
Characterized in that, the voice recording and playing circuit by pronounciation processing chip U1, switch J1, Audio input jack J2,
Resistance R4, resistance R5, resistance R8, resistance R10, resistance R11, resistance R12, resistance R14, electric capacity C6, electric capacity C8, electric capacity C11, electricity
Hold C12, electric capacity C16, electric capacity C17, electrochemical capacitor C18, electrochemical capacitor C20, LED 1 to form, 8 of master cpu
1,2,3,4,5,6,9,10 pin of the I/0 delivery outlets respectively with pronounciation processing chip U1 are connected, the control output end I/O of master cpu
Mouth is connected with pronounciation processing chip U1 24 pin, and switch J1 one end is connected to ground, the switch J1 other ends and pronounciation processing chip U1
The connection of 27 pin, pronounciation processing chip U1 25 pin are connected with the negative pole of LED 1, the positive pole of LED 1
It is connected with resistance R12 one end, the resistance R12 other ends are connected with power supply VCC, and pronounciation processing chip U1 26 pin are connected to ground, language
Sound process chip U1 16,28 pin are in parallel to be connected with power supply VCC, pronounciation processing chip U1 12,13 pin parallel connections respectively with electric capacity
C8 one end, electric capacity C11 one end are connected with ground, and the electric capacity C8 other ends and the electric capacity C11 other ends are connected with power supply VCC, speech processes
Chip U1 14 pin are connected with electric capacity C6 one end, and the electric capacity C16 other ends are connected with resistance R10 one end, the resistance R10 other ends and language
Sound playing device is connected, and pronounciation processing chip U1 20 pin are connected with electric capacity C12 one end, the electric capacity C12 other ends and resistance R8 mono-
End connection, the resistance R8 other ends are connected with pronounciation processing chip U1 21 pin, pronounciation processing chip U1 18 pin and electric capacity C16 mono-
End connection, 2 pin of the electric capacity C16 other ends respectively with resistance R4 one end and Audio input jack J2 are connected, the resistance R4 other ends point
It is not connected with electrochemical capacitor C18 positive poles and resistance R11 one end, 1 pin of electrochemical capacitor C18 negative poles and Audio input jack J2 connects
Connect, the resistance R11 other ends are connected with power supply VCC, and pronounciation processing chip U1 17 pin are connected with electric capacity C17 one end, and electric capacity C17 is another
3 pin of the one end respectively with resistance R15 one end and Audio input jack J2 are connected, and the resistance R5 other end is connected to ground, at voice
Reason chip U1 19 pin are connected with resistance R14 one end and electrochemical capacitor C20 positive poles respectively, the resistance R14 other ends and electrochemical capacitor
C20 negative poles are connected to ground respectively.
2. mine digital as claimed in claim 1 encodes remote control voice acousto-optic case circuit, it is characterised in that the voice
Playing device is made up of speech amplifier module and loudspeaker module, and the speech amplifier module is by audio integrated power amplifier
U2, electric capacity C13, electric capacity C14, electrochemical capacitor C19, electric capacity C15, resistance R13 compositions, audio integrated power amplifier U2 1 pin and electricity
Hold the connection of C14 one end, the electric capacity C14 other ends are connected with audio integrated power amplifier U2 8 pin, audio integrated power amplifier U2 2 pin
It is connected to ground, voice recording and playing circuit output end are connected with audio integrated power amplifier U2 3 pin, audio integrated power amplifier U2
4 pin be connected to ground, electrochemical capacitor C19 one end is connected with audio integrated power amplifier U2 5 pin and electric capacity C15 one end respectively, electricity
The solution electric capacity C19 other ends are connected with the loudspeaker module in voice playing device, and the electric capacity C15 other ends connect with resistance R13 one end
Connect, the resistance R13 other ends are connected to ground, and audio integrated power amplifier U2 6 pin are connected with power supply VCC, audio integrated power amplifier U2
7 pin be connected with electric capacity C13 one end, the electric capacity C13 other ends are connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837134.9A CN104503334B (en) | 2014-12-29 | 2014-12-29 | Mine digital encodes remote control voice acousto-optic case circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837134.9A CN104503334B (en) | 2014-12-29 | 2014-12-29 | Mine digital encodes remote control voice acousto-optic case circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104503334A CN104503334A (en) | 2015-04-08 |
| CN104503334B true CN104503334B (en) | 2017-11-28 |
Family
ID=52944738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410837134.9A Active CN104503334B (en) | 2014-12-29 | 2014-12-29 | Mine digital encodes remote control voice acousto-optic case circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104503334B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI96650C (en) * | 1994-07-11 | 1996-07-25 | Nokia Telecommunications Oy | Method and apparatus for transmitting speech in a telecommunication system |
| CN102080571B (en) * | 2011-01-25 | 2012-11-21 | 淮南市新光源特种照明器材有限公司 | Flameproof and intrinsically safe voice acousto-optic signal box for coal mine |
| CN202039900U (en) * | 2011-01-25 | 2011-11-16 | 淮南市新光源特种照明器材有限公司 | Flameproof and intrinsically safe sound acousticoptical signal box for mine |
| CN102182514B (en) * | 2011-04-01 | 2013-10-23 | 淮南市智能电器厂 | Mining alarm |
| CN204347526U (en) * | 2014-12-29 | 2015-05-20 | 镇江中煤电子有限公司 | Mine digital coding Long-distance Control voice acousto-optic case circuit |
-
2014
- 2014-12-29 CN CN201410837134.9A patent/CN104503334B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104503334A (en) | 2015-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102904734A (en) | Network-based all-digital broadcasting system | |
| CN104503334B (en) | Mine digital encodes remote control voice acousto-optic case circuit | |
| CN204795748U (en) | Intelligence LED music lamp | |
| CN204347526U (en) | Mine digital coding Long-distance Control voice acousto-optic case circuit | |
| CN204993389U (en) | DCI digit multitone source broadcasting system | |
| CN102568459A (en) | External KTV guiding/antiphonal singing switching device, system and communication protocol | |
| CN111148008A (en) | Detection system and method for cable broadcasting system | |
| CN204349583U (en) | Mine digital coding Long-distance Control breaker device | |
| CN205390156U (en) | Solar bird dispeller | |
| CN203849596U (en) | Stage television entertainment system controlled by bluetooth | |
| CN104468241B (en) | Base band communication bus partial short-circuit failure automatic cut-off device | |
| CN105306992A (en) | Network remote controller with monitoring capability in networkenvironment and control method | |
| CN202856758U (en) | Network-type all-digital broadcasting system | |
| CN204350024U (en) | Base band communication bus partial short-circuit fault automatic cut-off device | |
| CN207008824U (en) | A kind of fire acousto-optic alarm with sound prompt function | |
| CN204029076U (en) | A kind of printing press voice prompt alarm system | |
| CN204515160U (en) | Offshore shooting instrument towing cable DC constant current power supply is powered and is gone up electric system step by step | |
| CN205304821U (en) | Urgent broadcasting multichannel adapter device | |
| CN208189003U (en) | A kind of fire-fighting display device of floor | |
| CN104284487A (en) | Set-card separation single lamp controller and single lamp control method | |
| CN205787750U (en) | A kind of K with power management function sings system | |
| CN103345217A (en) | Method for rapidly setting communication address and group control fan filtering unit system | |
| CN202190349U (en) | Audio and video monitoring system using power line for transmitting signal | |
| CN202663418U (en) | Ethernet power supply network digital amplification system | |
| CN102777211B (en) | Acousto-optic voice alarm device for mine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 101, Nanxu Avenue, Zhenjiang City, Jiangsu Province, 212000 Patentee after: ZHENJIANG ZHONGMEI ELECTRON Co.,Ltd. Address before: 212016 Zhongmei building, 161 Guyang Road, Zhenjiang City, Jiangsu Province Patentee before: ZHENJIANG ZHONGMEI ELECTRON Co.,Ltd. |