CN202039900U - Flameproof and intrinsically safe sound acousticoptical signal box for mine - Google Patents
Flameproof and intrinsically safe sound acousticoptical signal box for mine Download PDFInfo
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- CN202039900U CN202039900U CN2011200243274U CN201120024327U CN202039900U CN 202039900 U CN202039900 U CN 202039900U CN 2011200243274 U CN2011200243274 U CN 2011200243274U CN 201120024327 U CN201120024327 U CN 201120024327U CN 202039900 U CN202039900 U CN 202039900U
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Abstract
The utility model discloses a flameproof and intrinsically safe sound acousticoptical signal box for a mine, which comprises a shell body, wherein a power supply sound amplifier board is arranged in the shell body; a loudspeaker which is connected with the power supply sound amplifier board is arranged at the outer side of the shell body; a rotary lamp board which is connected with the power supply sound amplifier board is arranged on the top of the shell body; a rotary lamp circuit is arranged on the rotary lamp board; a voltage-regulator power supply, an intrinsically safe power supply protection circuit, a programmable sound circuit and a sound amplifying circuit which are connected in turn are integrated on the power supply sound amplifier board; and because the programmable sound circuit can generate and store a plurality of sound alarm signals and chooses one sound alarm signal to output, and the rotary lamp circuit can output circularly flickering light alarm signals or constantly bright light alarm signals, different acousticoptical alarm manners can be adopted by people in different situations, consequently the acousticoptical alarm function of the flameproof and intrinsically safe sound acousticoptical signal box for the mine disclosed by the utility model is strengthened.
Description
Technical field
The utility model relates to a kind of signal box, relates in particular to a kind of flame-proof mine intrinsic safety type voice sound and light signal case.
Background technology
The sound and light signal device that use for a long time workplaces such as the lifting of China's coal-mine down-hole, transportation carries out security warning, present sound and light signal device generally comprises a housing, circuit board is installed in the housing, be integrated with sound light alarming circuit on the circuit board, the loudspeaker of sound light alarming circuit and optical signal light are installed on the sidewall of housing, handle is installed on the housing, so that hang the sound and light signal device, yet the sound and light of alarm of existing sound and light signal device is single, can only export single visual alarm and single audible ringing signal.
The utility model content
The flame-proof mine intrinsic safety type voice sound and light signal case that provides a kind of sound and light of alarm various is provided the purpose of this utility model.
For achieving the above object; the utility model provides a kind of flame-proof mine intrinsic safety type voice sound and light signal case; comprise housing; power supply voice power board is installed in the described housing; described hull outside is equipped with the loudspeaker that is connected with described power supply voice power board; described case top is equipped with the rotation lamp plate that is connected with described power supply voice power board; described rotation lamp plate is provided with the revolving light circuit; be integrated with the voltage-stabilized power supply that connects successively on the described power supply voice power board; the essential safety power protecting circuit; sound circuit able to programme and voice power amplifier; wherein
Described voltage-stabilized power supply is used for 36V or 127V alternating current are transformed into the 12V direct current;
Described essential safety power protecting circuit is used for that described 12V direct current is carried out over-current over-voltage protection and handles, and the 12V direct current after will handling is to described revolving light circuit, described sound circuit able to programme and the power supply of described voice power amplifier;
Described sound circuit able to programme is used to generate and store several audio alert signals, selects one of them audio alert signal output;
Described voice power amplifier, the audio alert signal that is used for selecting carry out exporting described loudspeaker to after power amplifier is handled;
Described revolving light circuit is used to export circulation passage of scintillation light alarm signal or Chang Liangguang alarm signal.
The current rectifying and wave filtering circuit that flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model, described voltage-stabilized power supply comprise successively the attaching plug that connects, fuse, step-down transformer, be made of diode D1～D4 and electrochemical capacitor C1 and be the switching mode voltage stabilizing chip of LM2467 and the mu balanced circuit that peripheral circuit constitutes thereof by model.
Flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model, described sound circuit able to programme comprises that voltage-stabiliser tube, 4-bit DIP switch, model are speech chip able to programme and the peripheral circuit thereof of WT558D.
Flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model, described voice power amplifier comprises that model is voice power amplifier chip and the peripheral circuit thereof of TDA2004.
Flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model, described revolving light circuit comprise that model is that the trigger of NE555P and peripheral circuit thereof, model are counter and peripheral circuit, triode QA, QB and QF and several the compound light emitting diodes that is connected of HCF4017.
Flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model; described essential safety power protecting circuit comprises by PMOS FET Q5 and Q7; transistor Q1～Q4 and Q6; Zener diode DW1 and DW2; and the overcurrent of sampling resistor R3～R5 formation; overvoltage; short-circuit protection circuit, and by being used to control the light emitting diode circulation flicker of compound connection or the 3rd switch of Chang Liang; being installed in being used on the described housing side controls first switch of single audio alert signal output and is installed in the control circuit that the second switch that is used for the output of continuous speech alarm signal on the described housing side constitutes.
Flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model, the bottom of described housing is equipped with mounting base, and the bottom of described mounting base is equipped with handle.
Flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model, described rotation lamp plate are provided with the tempered glass translucent cover that the rotation lamp plate is stated in the housing residence.
Flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model, described tempered glass translucent cover is provided with protection net outward.
In the flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model, because sound circuit able to programme can generate and store several audio alert signals, and select one of them audio alert signal to export, and the revolving light circuit can be exported circulation passage of scintillation light alarm signal or Chang Liangguang alarm signal, under the different application occasion, can select to use different sound and light alarm modes, thereby strengthen the sound and light of alarm of flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model for people.
Description of drawings
Fig. 1 is the structure sectional view of flame-proof mine intrinsic safety type voice sound and light signal case of the present utility model;
Fig. 2 is the circuit theory diagrams of voltage-stabilized power supply, essential safety power protecting circuit, sound circuit able to programme and voice power amplifier in the power supply voice power board of the present utility model;
Fig. 3 is the circuit theory diagrams of revolving light circuit in the rotation lamp plate of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail:
With reference to shown in Figure 1, the flame-proof mine intrinsic safety type voice sound and light signal case of present embodiment, comprise housing 1, power supply voice power board (not drawing among the figure) is installed in the housing 1, housing 1 outside is equipped with the loudspeaker 9 that is connected with power supply voice power board, housing 1 top is equipped with the rotation lamp plate 5 that is connected with power supply voice power board by flange, rotation lamp plate 5 is provided with the tempered glass translucent cover 7 that housing firmly rotates lamp plate 5, the tempered glass translucent cover 7 outer protection nets 9 that are provided with, the bottom of housing 1 is equipped with mounting base 2, the bottom of mounting base 2 is equipped with handle 3, make the flame-proof mine intrinsic safety type voice sound and light signal case of present embodiment both can hang on the equipment such as elevator, also can be installed on the equipment such as elevator by mounting base 2.
In conjunction with shown in Figure 3, rotation lamp plate 5 is provided with the revolving light circuit that is used to export circulation passage of scintillation light alarm signal or Chang Liangguang alarm signal, this revolving light circuit comprises that model is trigger U5 and the peripheral circuit thereof of NE555P, model is counter U6 and the peripheral circuit thereof of HCF4017, triode QA, QB and QF, and the light emitting diode A1～A3 of several compound connections, A1 '～A3 ', B1～B3, B1 '～B3 ', C1～C3, C1 '～C3 ', it is double-deck annular array at rotation lamp plate 5,360 ° of light visual ranges, high-visible in the light visibility 30m, and LED 1～LED3 is a power supply indicator in the revolving light circuit, at light emitting diode A1～A3, A1 '～A3 ', B1～B3, B1 '～B3 ', C1～C3, it extinguished when C1 '～C3 ' worked.
In conjunction with shown in Figure 2, be integrated with the voltage-stabilized power supply 11, essential safety power protecting circuit 12, sound circuit able to programme 13 and the voice power amplifier 14 that connect successively on the power supply voice power board.Wherein:
Voltage-stabilized power supply 11 is used for 36V or 127V alternating current are transformed into the 12V direct current, the current rectifying and wave filtering circuit that it comprises successively the attaching plug P1, the fuse F1 that connect, step-down transformer T, be made of diode D1～D4 and electrochemical capacitor C1 and be the switching mode voltage stabilizing chip U1 of LM2467 and the mu balanced circuit that peripheral circuit constitutes thereof by model.The secondary voltage of step-down transformer T is AC17V; through diode D1～D4, electrochemical capacitor C1 rectifying and wave-filtering; switching mode voltage stabilizing chip U1 voltage stabilizing is DC12V, because switching mode voltage stabilizing chip U1 is the monolithic integrated optical circuit of paster encapsulation, can drive the load of 3A; excellent linearity and load adjustment capability are arranged; its Adjustable Output Voltage joint, its internal oscillator frequency is 150KHz, does not need outer radiation fin; outer member is few, and current-limiting protection and hot turn-off protection are arranged.
Essential safety power protecting circuit 12 is used for that the 12V direct current is carried out over-current over-voltage protection to be handled; and the 12V direct current after will handling is to the revolving light circuit; sound circuit 13 able to programme and 14 power supplies of voice power amplifier; it comprises by PMOS FET Q5 and Q7; transistor Q1～Q4 and Q6; Zener diode DW1 and DW2; and the overcurrent of sampling resistor R3～R5 formation; overvoltage; short-circuit protection circuit; and by the light emitting diode A1～A3 that is used to control compound connection; A1 '～A3 '; B1～B3; B1 '～B3 '; C1～C3; the 3rd K switch 2 (the K2 closed circulation flicker of C1 '～C3 ' circulation flicker or Chang Liang; K2 disconnects Chang Liang); being installed in being used on housing 1 side controls first switch S 1 of single audio alert signal output and is installed in the control circuit that the second switch K1 that is used for the output of continuous speech alarm signal on housing 1 side constitutes, and presses first switch S 1 or closed second switch K1 circuit gets final product operate as normal.Wherein, overcurrent protection is to control triode Q2, Q3 according to the voltage swing of sampling resistor R3, R4, R5; sampling resistor voltage and load current size are proportional; sampling resistor voltage made triode Q2, Q3 conducting when electric current rose to the protection value, thereby control PMOS FET Q5 and Q7 end and reduce load current and realize dualization overcurrent protection.It is that its output voltage 12V can rise to suddenly more than the 16V when switching mode voltage stabilizing chip U1 damages that overvoltage protection protects; at this moment Zener diode DW1 in the essential safety power protecting circuit and DW2 can puncture; lead system triode Q4, Q6 conducting, thereby make PMOS FET Q5 and triode Q6 realize dualization overvoltage protection by cutting off output current.Short-circuit protection is when short circuit appears in load end; triode Q1 is connected on load end because of resistance R 2, diode D6, D7; so triode Q1 base stage forms current loop by resistance R 2, diode D6, D7; triode Q1 conducting makes PMOS FET Q5 and triode Q6 realize short-circuit protection by cutting off output current like this.PMOS FET Q5 and Q7 operate as normal are at the saturation conduction state, and its conduction voltage drop is less than 0.1V, and power consumption is little, do not need outer radiation fin.
And the audio alert signal that voice power amplifier 14 is used for selecting carries out exporting loudspeaker 9 to after power amplifier is handled, and it comprises that model is voice power amplifier chip U4 and the peripheral circuit thereof of TDA2004.This voice power amplifier chip U4 efficient height, power consumption are little, and peak power output 20W can promote 8 Ω 15W horn speakers, and sound is clear loud and clear, sound loudness 〉=90dB.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (9)
1. flame-proof mine intrinsic safety type voice sound and light signal case; comprise housing (1); it is characterized in that; power supply voice power board is installed in the described housing (1); described housing (1) outside is equipped with the loudspeaker (9) that is connected with described power supply voice power board; described housing (1) top is equipped with the rotation lamp plate (5) that is connected with described power supply voice power board; described rotation lamp plate (5) is provided with the revolving light circuit; be integrated with the voltage-stabilized power supply (11) that connects successively on the described power supply voice power board; essential safety power protecting circuit (12); sound circuit able to programme (13) and voice power amplifier (14); wherein
Described voltage-stabilized power supply (11) is used for 36V or 127V alternating current are transformed into the 12V direct current;
Described essential safety power protecting circuit (12), be used for that described 12V direct current is carried out over-current over-voltage protection and handle, and the 12V direct current after will handling is to described revolving light circuit, described sound circuit able to programme (13) and described voice power amplifier (14) power supply;
Described sound circuit able to programme (13) is used to generate and store several audio alert signals, selects one of them audio alert signal output;
Described voice power amplifier (14), the audio alert signal that is used for selecting carry out exporting described loudspeaker (9) to after power amplifier is handled;
Described revolving light circuit is used to export circulation passage of scintillation light alarm signal or Chang Liangguang alarm signal.
2. flame-proof mine intrinsic safety type voice sound and light signal case according to claim 1, it is characterized in that the current rectifying and wave filtering circuit that described voltage-stabilized power supply (11) comprises successively the attaching plug (P1) that connects, fuse (F1), step-down transformer (T), be made of diode D1～D4 and electrochemical capacitor C1 and be the switching mode voltage stabilizing chip (U1) of LM2467 and the mu balanced circuit that peripheral circuit constitutes thereof by model.
3. flame-proof mine intrinsic safety type voice sound and light signal case according to claim 2, it is characterized in that described sound circuit able to programme (13) comprises that voltage-stabiliser tube (U2), 4-bit DIP switch (SW1), model are speech chip able to programme (U3) and the peripheral circuit thereof of WT558D.
4. flame-proof mine intrinsic safety type voice sound and light signal case according to claim 3 is characterized in that, described voice power amplifier (14) comprises that model is voice power amplifier chip (U4) and the peripheral circuit thereof of TDA2004.
5. flame-proof mine intrinsic safety type voice sound and light signal case according to claim 4, it is characterized in that described revolving light circuit comprises that model is that the trigger (U5) of NE555P and peripheral circuit thereof, model are counter (U6) and peripheral circuit, triode QA, QB and QF and several the compound light emitting diodes that is connected (A1～A3, A1 '～A3 ', B1～B3, B1 '～B3 ', C1～C3, C1 '～C3 ') of HCF4017.
6. flame-proof mine intrinsic safety type voice sound and light signal case according to claim 5; it is characterized in that; described essential safety power protecting circuit (12) comprises by PMOS FET Q5 and Q7; transistor Q1～Q4 and Q6; Zener diode DW1 and DW2; and the overcurrent of sampling resistor R3～R5 formation; overvoltage; short-circuit protection circuit, and by the light emitting diode (A1～A3 that is used to control compound connection; A1 '～A3 '; B1～B3; B1 '～B3 '; C1～C3; C1 '～C3 ') the 3rd switch (K2) of circulation flicker or Chang Liang; be installed in the control circuit that being used on described housing (1) side control first switch (S1) of single audio alert signal output and be installed in second switch (K1) formation that is used for the output of continuous speech alarm signal on described housing (1) side.
7. flame-proof mine intrinsic safety type voice sound and light signal case according to claim 6 is characterized in that the bottom of described housing (1) is equipped with mounting base (2), and the bottom of described mounting base (2) is equipped with handle (3).
8. flame-proof mine intrinsic safety type voice sound and light signal case according to claim 7 is characterized in that, described rotation lamp plate (5) is provided with the tempered glass translucent cover (7) that rotation lamp plate (5) is stated in the housing residence.
9. flame-proof mine intrinsic safety type voice sound and light signal case according to claim 8 is characterized in that, the outer protection net (9) that is provided with of described tempered glass translucent cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200243274U CN202039900U (en) | 2011-01-25 | 2011-01-25 | Flameproof and intrinsically safe sound acousticoptical signal box for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200243274U CN202039900U (en) | 2011-01-25 | 2011-01-25 | Flameproof and intrinsically safe sound acousticoptical signal box for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202039900U true CN202039900U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200243274U Expired - Lifetime CN202039900U (en) | 2011-01-25 | 2011-01-25 | Flameproof and intrinsically safe sound acousticoptical signal box for mine |
Country Status (1)
| Country | Link |
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| CN (1) | CN202039900U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102536322A (en) * | 2011-12-26 | 2012-07-04 | 枣庄联创实业有限责任公司 | Mining acousto-optic alarm |
| CN102797505A (en) * | 2012-09-07 | 2012-11-28 | 衡水立德科技发展有限责任公司 | Mining alarm |
| CN104503334A (en) * | 2014-12-29 | 2015-04-08 | 镇江中煤电子有限公司 | Mining digital coding remotely controlled voice acoustic optical box circuit |
| CN107103977A (en) * | 2017-06-20 | 2017-08-29 | 浙江德力西电器有限公司 | A kind of power transformer |
-
2011
- 2011-01-25 CN CN2011200243274U patent/CN202039900U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN102536322A (en) * | 2011-12-26 | 2012-07-04 | 枣庄联创实业有限责任公司 | Mining acousto-optic alarm |
| CN102797505A (en) * | 2012-09-07 | 2012-11-28 | 衡水立德科技发展有限责任公司 | Mining alarm |
| CN104503334A (en) * | 2014-12-29 | 2015-04-08 | 镇江中煤电子有限公司 | Mining digital coding remotely controlled voice acoustic optical box circuit |
| CN107103977A (en) * | 2017-06-20 | 2017-08-29 | 浙江德力西电器有限公司 | A kind of power transformer |
| CN107103977B (en) * | 2017-06-20 | 2019-08-13 | 浙江德力西电器有限公司 | A kind of power transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111116 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |