CN102182514B - Mining alarm - Google Patents
Mining alarm Download PDFInfo
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- CN102182514B CN102182514B CN 201110082706 CN201110082706A CN102182514B CN 102182514 B CN102182514 B CN 102182514B CN 201110082706 CN201110082706 CN 201110082706 CN 201110082706 A CN201110082706 A CN 201110082706A CN 102182514 B CN102182514 B CN 102182514B
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Abstract
The invention discloses a mining alarm. The mining alarm comprises a direct-current control circuit, an alternating-current control circuit, a singlechip, a function selection switch, an intrinsic safety power supply and a power supply, wherein the direct-current control circuit sends a direct-current trigger signal to the singlechip; the alternating-current control circuit sends an alternating-current trigger signal to the singlechip; the singlechip controls an audible and visual alarm circuit to perform audible and visual alarm according to the direct-current trigger signal or the alternating-current trigger signal; a plurality of different voice alarm contents are preset in the audible and visual alarm circuit; the function selection switch is used for providing a function of selectingone of the plurality of different voice alarm contents; the intrinsic safety power supply is used for converting 36-volt or 127-volt alternating-current power into 12-volt direct-current power; and the power supply is used for converting the 12-volt direct-current power into 5-volt direct-current power and supplying the power to the singlechip and the audible and visual alarm circuit. Therefore, by the mining alarm two alarm modes of voice and light can be realized; the voice alarm contents can be selected; and the mining alarm has various functions.
Description
Technical field
The present invention relates to a kind of warning device, relate in particular to a kind of mine alarm.
Background technology
Mine alarm is a kind of mining security device, often is installed on the mine car front portion, is used for having under the coal mine occasions such as each track step, air door, inclined shaft winch and upper and lower parking lot of gas and coal dust explosion hazard.When mine car is passed by each step of underground rails of coal mine slope, bend or upper and lower parking lot along track, the mine car human pilot powers on to mine alarm, mine alarm will send alarm signal and remind near staff to avoid mine car, take care, the mine car driver is again with its outage after mine car is passed by above-mentioned place, the mine alarm stop alarm.Yet present known mine alarm function singleness.
Summary of the invention
The object of the present invention is to provide a kind of mine alarm of diverse in function.
For achieving the above object, the invention provides a kind of mine alarm, comprising:
DC control circuit is used for sending dc trigger signal to single-chip microcomputer;
AC control circuit is used for sending the interchange triggering signal to described single-chip microcomputer;
Single-chip microcomputer is used for carrying out sound and light alarm according to described dc trigger signal or described interchange triggering signal guide sound optical alarm circuit, wherein, presets several different audio alert contents in the described sound light alarming circuit;
Functional select switch is used for providing the function of selecting one audio alert content from described several different audio alert contents;
Intrinsic safety electric source is used for 36V or 127V alternating current are transformed into the 12V direct current;
Power supply is used for described 12V direct current is transformed into 5V to described single-chip microcomputer and the power supply of described sound light alarming circuit.
Mine alarm of the present invention, described single-chip microcomputer is that PIC single-chip microcomputer and the peripheral circuit thereof of PIC16F628A consists of by model, described sound light alarming circuit comprises voice alarm circuit and optical alarm circuit, described voice alarm circuit is that the speech chip of ISD1720 and power amplifier thereof and loudspeaker consist of by model, described optical alarm circuit is by led drive circuit, LED display circuit with several dual-colored LED lamps consists of, wherein, the 4th of described speech chip, 5,6,7 pins correspondence and the 18th of described PIC single-chip microcomputer, 17,16,15 pins link to each other, described functional select switch is 4-bit DIP switch, the the 1st to the 4th selecting side correspondence and the 8th of the described PIC single-chip microcomputer of described 4-bit DIP switch, 7,6,3 pins link to each other, the the 5th to the 8th selecting side ground connection of described 4-bit DIP switch, the 10th of the input of described led drive circuit and described PIC single-chip microcomputer, 11 pins link to each other.
Mine alarm of the present invention, described intrinsic safety electric source comprises the first wiring terminal, double-point double-throw switch, transformer and voltage-stabilized power supply, wherein, the A of described the first wiring terminal links to each other with the upper end on the former limit of described transformer, the B of described the first wiring terminal overcurrent fuse that communicates links to each other with No. 1 common port of described double-point double-throw switch, No. 2 selecting sides of described double-point double-throw switch link to each other with the centre tap of described transformer primary side, No. 3 selecting sides of described double-point double-throw switch link to each other with the lower end of described transformer primary side, the secondary of described transformer links to each other with the input of described voltage-stabilized power supply, described voltage-stabilized power supply comprises current rectifying and wave filtering circuit and reference voltage-stabilizing circuit, described current rectifying and wave filtering circuit is by four diode D701, D701, D701, D701 and capacitor C 701 and C702 consist of, and described reference voltage-stabilizing circuit is mainly by voltage-stabiliser tube, comparator consists of.
Mine alarm of the present invention, the input of described power supply links to each other with the output of described reference voltage-stabilizing circuit, described power supply comprises filter circuit and secondary pressure circuit, described filter circuit is made of capacitor C 1, C2, C3 and inductance L 1, described secondary pressure circuit is that 7805 voltage-stabiliser tube and peripheral circuit thereof consist of by model, the output of described filter circuit links to each other with the input of described secondary pressure circuit, described secondary pressure circuit output 5V direct current.
Mine alarm of the present invention, described AC control circuit comprises diode D1, D2, D3, D4, resistance R 50, R51, R52, R53, capacitor C 50 and model are the first optocoupler of PC357, wherein, the output of the input of diode D1 and diode D3 links to each other with the A of described the first wiring terminal, the output of the input of diode D2 and diode D4 links to each other with the C of described the first wiring terminal, the output of the output of diode D1 and diode D2 links to each other with an end of resistance R 50, the input of the input of diode D3 and diode D4 links to each other with the 2nd pin of the first optocoupler, the other end of resistance R 50 respectively with No. 5 selecting sides of double-point double-throw switch, one end of resistance R 51 links to each other, the other end of resistance R 51 respectively with No. 6 selecting sides of double-point double-throw switch, one end of resistance R 52 links to each other, the other end of resistance R 52 links to each other with the 2nd pin of the first optocoupler, No. 4 common ports of double-point double-throw switch respectively with an end of resistance R 53, the positive pole of capacitor C 50 links to each other, the other end of resistance R 53 links to each other with the 1st pin of the first optocoupler, the negative pole of capacitor C 50 links to each other with the 2nd pin of the first optocoupler, the 3rd pin ground connection of the first optocoupler, the 4th pin of the first optocoupler links to each other with described PIC single-chip microcomputer the 4th pin.
Mine alarm of the present invention, described DC control circuit comprises that two models are the second optocoupler and the 3rd wiring terminal of PC357, the 1st pin of each the second optocoupler links to each other with the output of described reference voltage-stabilizing circuit by the resistance of a 4.7K Ω respectively, the 2nd pin correspondence of each the second optocoupler links to each other with K1, the K2 of the 3rd wiring terminal end, the 3rd pin ground connection of each the second optocoupler, the 4th pin correspondence of each the second optocoupler links to each other with described PIC single-chip microcomputer the 9th, 13 pins.
Mine alarm of the present invention comprises for the DC control circuit that sends dc trigger signal to single-chip microcomputer; Be used for sending the AC control circuit that exchanges triggering signal to single-chip microcomputer; Be used for carrying out according to dc trigger signal or described interchange triggering signal guide sound optical alarm circuit the single-chip microcomputer of sound and light alarm; Be used for providing the functional select switch of selecting the function of one audio alert content from described several different audio alert contents; Wherein, preset several different audio alert contents in the sound light alarming circuit.As seen, mine alarm of the present invention can be realized voice and two kinds of type of alarms of light, and the audio alert content selectable, therefore, and mine alarm diverse in function of the present invention.
Description of drawings
Fig. 1 is the structured flowchart of mine alarm of the present invention;
Fig. 2 is the circuit theory diagrams of the main circuit of mine alarm of the present invention;
Fig. 3 is the circuit theory diagrams of the LED display circuit of mine alarm of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail:
With reference to shown in Figure 1, mine alarm of the present invention comprises DC control circuit, is used for sending dc trigger signal to single-chip microcomputer; AC control circuit is used for sending the interchange triggering signal to single-chip microcomputer; Single-chip microcomputer is used for according to dc trigger signal or exchanges triggering signal guide sound optical alarm circuit carrying out sound and light alarm, wherein, presets several different audio alert contents in the sound light alarming circuit; Functional select switch is used for providing the function of selecting one audio alert content from several different audio alert contents; Intrinsic safety electric source is used for 36V or 127V alternating current are transformed into the 12V direct current; Power supply is used for the 12V direct current is transformed into 5V to single-chip microcomputer and sound light alarming circuit power supply.
In conjunction with shown in Figure 2 and shown in Figure 3, single-chip microcomputer in the mine alarm of the present invention is that PIC single-chip microcomputer and the peripheral circuit thereof of PIC16F628A consists of by model, sound light alarming circuit comprises voice alarm circuit and optical alarm circuit, voice alarm circuit is that the speech chip of ISD1720 and power amplifier thereof and loudspeaker SP consist of by model, optical alarm circuit is by led drive circuit, LED display circuit with several dual-colored LED lamps consists of, wherein, the 4th of speech chip, 5,6,7 pins correspondence and the 18th of PIC single-chip microcomputer, 17,16,15 pins link to each other, (by bend, the pedestrian please notes such as locomotive to store predefined several different audio alert contents in the speech chip; Drive a vehicle inaccurate pedestrian; The pedestrian passes through, and closes air door; Locomotive passes through bend, the pedestrian please notes etc.), functional select switch is 4-bit DIP switch, the the 1st to the 4th selecting side correspondence of 4-bit DIP switch links to each other with the 8th, 7,6,3 pins of PIC single-chip microcomputer, the the 5th to the 8th selecting side ground connection of 4-bit DIP switch, the input of led drive circuit links to each other with the 10th, 11 pins of PIC single-chip microcomputer.
Wherein, intrinsic safety electric source comprises the first wiring terminal J1, double-point double-throw switch SK, transformer T1 and voltage-stabilized power supply, wherein, the A of the first wiring terminal J1 links to each other with the upper end on the former limit of transformer T1, the B of the first wiring terminal J1 overcurrent fuse F1 that communicates links to each other with No. 1 common port of double-point double-throw switch SK, No. 2 selecting sides of double-point double-throw switch SK link to each other with the centre tap on the former limit of transformer T1, No. 3 selecting sides of double-point double-throw switch SK link to each other with the lower end on the former limit of transformer T1, the secondary of transformer T1 links to each other with the input of voltage-stabilized power supply, voltage-stabilized power supply comprises current rectifying and wave filtering circuit and reference voltage-stabilizing circuit, current rectifying and wave filtering circuit is by four diode D701, D701, D701, D701 and capacitor C 701 and C702 consist of, and reference voltage-stabilizing circuit is mainly by voltage-stabiliser tube U701, U702, comparator U704A, U704B consists of.
Wherein, the input of power supply links to each other with the output of reference voltage-stabilizing circuit, power supply comprises filter circuit and secondary pressure circuit, filter circuit is made of capacitor C 1, C2, C3 and inductance L 1, the secondary pressure circuit is that 7805 voltage-stabiliser tube and peripheral circuit thereof consist of by model, the output of filter circuit links to each other with the input of secondary pressure circuit, secondary pressure circuit output 5V direct current.
Wherein, AC control circuit comprises diode D1, D2, D3, D4, resistance R 50, R51, R52, R53, capacitor C 50 and model are the first optocoupler of PC357, wherein, the output of the input of diode D1 and diode D3 links to each other with the A of the first wiring terminal J1, the output of the input of diode D2 and diode D4 links to each other with the C of the first wiring terminal J1, the output of the output of diode D1 and diode D2 links to each other with an end of resistance R 50, the input of the input of diode D3 and diode D4 links to each other with the 2nd pin of the first optocoupler, the other end of resistance R 50 respectively with No. 5 selecting sides of double-point double-throw switch SK, one end of resistance R 51 links to each other, the other end of resistance R 51 respectively with No. 6 selecting sides of double-point double-throw switch SK, one end of resistance R 52 links to each other, the other end of resistance R 52 links to each other with the 2nd pin of the first optocoupler, No. 4 common ports of double-point double-throw switch SK respectively with an end of resistance R 53, the positive pole of capacitor C 50 links to each other, the other end of resistance R 53 links to each other with the 1st pin of the first optocoupler, the negative pole of capacitor C 50 links to each other with the 2nd pin of the first optocoupler, the 3rd pin ground connection of the first optocoupler, the 4th pin of the first optocoupler links to each other with PIC single-chip microcomputer the 4th pin.
Wherein, DC control circuit comprises that two models are the second optocoupler and the 3rd wiring terminal J3 of PC357, the 1st pin of each the second optocoupler links to each other with the output of reference voltage-stabilizing circuit by the resistance of a 4.7K Ω respectively, the 2nd pin correspondence of each the second optocoupler links to each other with K1, the K2 of the 3rd wiring terminal J3 end, the 3rd pin ground connection of each the second optocoupler, the 4th pin correspondence of each the second optocoupler links to each other with PIC single-chip microcomputer the 9th, 13 pins.
In addition, in order to ensure safety, mine alarm of the present invention can also comprise by resistance 4R7, model is the 3rd optocoupler of PC357, resistance R 17, capacitor C 13, triode BG3, the locking control circuit that the relay executive circuit that links to each other with the mine car power supply etc. consist of, the input of this circuit is connected with the 12nd pin of PIC single-chip microcomputer, cooperate again the sensor that is used for detecting in real time distance between people and the mine car that links to each other with the PIC single-chip microcomputer during use, when the PIC single-chip microcomputer receive that sensor transmits when the distance between forefathers and the mine car less than predefined safe distance the time, send blocking order, relay outage locking, the Braking mode mine car.
The course of work of mine alarm of the present invention is roughly as follows:
The 127V alternating current enters mutually through A phase, the B of the first wiring terminal J1, after passing through fuse F1, double-point double-throw switch SK, enter transformer T1, can select the former limit input voltage of transformer T1 by double-point double-throw switch SK is 36V or 127V, the secondary output AC 18V of transformer T1 enters the intrinsically safe circuit output 12V direct current that is comprised of U701, U702 etc., is the power supply of the devices such as LED display circuit, power amplifier.And this 12V power supply is also behind the filter circuit with anti-interference function by compositions such as C1,1L1, C2, is that to become the 5V power supply be PIV single-chip microcomputer, speech chip power supply for secondary pressure circuit that 7805 voltage-stabiliser tube forms by model again.When needs are reported to the police, operating personnel input the AC/DC triggering signal, the PIC single-chip microcomputer reads the address information of 4-bit DIP switch, and from speech chip, inquire about the first and last address of audio alert content corresponding to this address information according to this address information, then, send play instruction according to the first and last address to speech chip, speech chip is then play corresponding audio alert content according to the first and last address, meanwhile, the PIC single-chip microcomputer also sends light warning pulse command to led drive circuit, the bi-colour light of LED display circuit is the evergreen chromatic flicker that reddens (under the normal operating conditions then, the bi-colour light of LED display circuit is evergreen lighting), concrete sound and light alarm duration can by the PIC single-chip microcomputer set by.
Above embodiment is described preferred embodiment of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (3)
1. a mine alarm is characterized in that, comprising:
DC control circuit is used for sending dc trigger signal to single-chip microcomputer;
AC control circuit is used for sending the interchange triggering signal to described single-chip microcomputer;
Single-chip microcomputer is used for carrying out sound and light alarm according to described dc trigger signal or described interchange triggering signal guide sound optical alarm circuit, wherein, presets several different audio alert contents in the described sound light alarming circuit;
Functional select switch is used for providing the function of selecting one audio alert content from described several different audio alert contents;
Intrinsic safety electric source is used for 36V or 127V alternating current are transformed into the 12V direct current;
Power supply is used for described 12V direct current is transformed into the 5V direct current to described single-chip microcomputer and the power supply of described sound light alarming circuit; Wherein, described single-chip microcomputer is that PIC single-chip microcomputer and the peripheral circuit thereof of PIC16F628A consists of by model, described sound light alarming circuit comprises voice alarm circuit and optical alarm circuit, described voice alarm circuit is speech chip and power amplifier and loudspeaker (SP) formation of ISD1720 by model, described optical alarm circuit is by led drive circuit, LED display circuit with several dual-colored LED lamps consists of, wherein, the 4th of described speech chip, 5,6,7 pins correspondence and the 18th of described PIC single-chip microcomputer, 17,16,15 pins link to each other, described functional select switch is 4-bit DIP switch, the the 1st to the 4th selecting side correspondence and the 8th of the described PIC single-chip microcomputer of described 4-bit DIP switch, 7,6,3 pins link to each other, the the 5th to the 8th selecting side ground connection of described 4-bit DIP switch, the 10th of the input of described led drive circuit and described PIC single-chip microcomputer, 11 pins link to each other;
Described intrinsic safety electric source comprises the first wiring terminal (J1), double-point double-throw switch (SK), transformer (T1) and voltage-stabilized power supply, wherein, the A phase of described the first wiring terminal (J1) links to each other with the upper end on the former limit of described transformer (T1), the B of described the first wiring terminal (J1) overcurrent fuse (F1) that communicates links to each other with No. 1 common port of described double-point double-throw switch (SK), No. 2 selecting sides of described double-point double-throw switch (SK) link to each other with the centre tap on the former limit of described transformer (T1), No. 3 selecting sides of described double-point double-throw switch (SK) link to each other with the lower end on the former limit of described transformer (T1), the secondary of described transformer (T1) links to each other with the input of described voltage-stabilized power supply, described voltage-stabilized power supply comprises current rectifying and wave filtering circuit and reference voltage-stabilizing circuit, described current rectifying and wave filtering circuit is by four diode (D701, D701, D701, D701) and two electric capacity (C701, C702) consist of, described reference voltage-stabilizing circuit is mainly by two voltage-stabiliser tube (U701, U702) and two comparator (U704A, U704B) consist of;
Described AC control circuit comprises four diode (D1, D2, D3, D4), four resistance (R50, R51, R52, R53), electric capacity (C50) and model are the first optocoupler of PC357, wherein, the output of the input of first diode (D1) and the 3rd diode (D3) links to each other with the A of described the first wiring terminal (J1), the output of the input of second diode (D2) and the 4th diode (D4) links to each other with the C of described the first wiring terminal (J1), the output of the output of first diode (D1) and second diode (D2) links to each other with an end of first resistance (R50), the input of the input of the 3rd diode (D3) and the 4th diode (D4) links to each other with the 2nd pin of the first optocoupler, the other end of first resistance (R50) respectively with No. 5 selecting sides of double-point double-throw switch (SK), one end of second resistor (R51) links to each other, the other end of second resistor (R51) respectively with No. 6 selecting sides of double-point double-throw switch (SK), one end of the 3rd resistance (R52) links to each other, the other end of the 3rd resistance (R52) links to each other with the 2nd pin of the first optocoupler, No. 4 common ports of double-point double-throw switch (SK) respectively with an end of the 4th resistance (R53), the positive pole of electric capacity (C50) links to each other, the other end of the 4th resistance (R53) links to each other with the 1st pin of the first optocoupler, the negative pole of electric capacity (C50) links to each other with the 2nd pin of the first optocoupler, the 3rd pin ground connection of the first optocoupler, the 4th pin of the first optocoupler links to each other with described PIC single-chip microcomputer the 4th pin.
2. mine alarm according to claim 1, it is characterized in that, the input of described power supply links to each other with the output of described reference voltage-stabilizing circuit, described power supply comprises filter circuit and secondary pressure circuit, described filter circuit is made of three electric capacity (C1, C2, C3) and inductance (L1), described secondary pressure circuit is that 7805 voltage-stabiliser tube and peripheral circuit thereof consist of by model, the output of described filter circuit links to each other with the input of described secondary pressure circuit, described secondary pressure circuit output 5V direct current.
3. mine alarm according to claim 2, it is characterized in that, described DC control circuit comprises that two models are the second optocoupler and the 3rd wiring terminal (J3) of PC357, the 1st pin of each the second optocoupler links to each other with the output of described reference voltage-stabilizing circuit by the resistance of a 4.7K Ω respectively, the 2nd pin of each the second optocoupler is corresponding to link to each other with K1, the K2 end of the 3rd wiring terminal (J3), the 3rd pin ground connection of each the second optocoupler, the 4th pin correspondence of each the second optocoupler links to each other with described PIC single-chip microcomputer the 9th, 13 pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110082706 CN102182514B (en) | 2011-04-01 | 2011-04-01 | Mining alarm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110082706 CN102182514B (en) | 2011-04-01 | 2011-04-01 | Mining alarm |
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| CN102182514A CN102182514A (en) | 2011-09-14 |
| CN102182514B true CN102182514B (en) | 2013-10-23 |
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| CN 201110082706 Active CN102182514B (en) | 2011-04-01 | 2011-04-01 | Mining alarm |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797505A (en) * | 2012-09-07 | 2012-11-28 | 衡水立德科技发展有限责任公司 | Mining alarm |
| CN104503334B (en) * | 2014-12-29 | 2017-11-28 | 镇江中煤电子有限公司 | Mine digital encodes remote control voice acousto-optic case circuit |
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| DE2851289A1 (en) * | 1977-12-02 | 1979-06-07 | Os Bad Rozwojowy Syst Mech | DEVICE FOR COMMUNICATING WITH TELEMETRIC LINES USING A DIGITAL COMPUTER |
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| CN102080571A (en) * | 2011-01-25 | 2011-06-01 | 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 |
| CN202007691U (en) * | 2011-04-01 | 2011-10-12 | 淮南市智能电器厂 | Mining alarm |
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2011
- 2011-04-01 CN CN 201110082706 patent/CN102182514B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2648162A1 (en) * | 1975-10-28 | 1977-05-12 | Consolidation Coal Co | ELECTRICAL CIRCUIT FOR DETECTING A COMBUSTIBLE GAS MIXTURE IN A PIT ATMOSPHERE |
| DE2851289A1 (en) * | 1977-12-02 | 1979-06-07 | Os Bad Rozwojowy Syst Mech | DEVICE FOR COMMUNICATING WITH TELEMETRIC LINES USING A DIGITAL COMPUTER |
| CN2771650Y (en) * | 2005-01-27 | 2006-04-12 | 刘宏儒 | LED lgiht-source mine-lamp with portable gas detecting-alarming device |
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| CN202007691U (en) * | 2011-04-01 | 2011-10-12 | 淮南市智能电器厂 | Mining alarm |
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