CN201810351U - Mine bend alarm - Google Patents
Mine bend alarm Download PDFInfo
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- CN201810351U CN201810351U CN 201020577076 CN201020577076U CN201810351U CN 201810351 U CN201810351 U CN 201810351U CN 201020577076 CN201020577076 CN 201020577076 CN 201020577076 U CN201020577076 U CN 201020577076U CN 201810351 U CN201810351 U CN 201810351U
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Abstract
The utility model discloses a mine bend alarm. The mine bend alarm comprises a power supply unit, voltage stabilizing unit, a sound alarm unit and a light alarm unit, wherein the power supply unit is used for performing step-down treatment and alternating-current-to-direct-current conversion on alternating current from an external power supply in turn to output direct current; the voltage stabilizing unit is used for stabilizing voltage of the direct current output by the power supply unit and outputting stable direct current; the sound alarm unit is used for performing voice amplification and power amplification on the stable direct current output by the voltage stabilizing unit in turn to output a sound alarm signal; and the light alarm unit is used for performing photoelectric conversion on the stable direct current output by the voltage stabilizing unit to output a light alarm signal. Thus, the mine bend alarm can realize simultaneous audible and visual alarm after the power supply unit is electrified by mine trolley driving personnel, so working personnel nearby can be prompted by light emitted by the light alarm unit to immediately dodge a mine trolley and pay attention to safety even though the underground environment is noisy; and thus, the alarm effect of the mine bend alarm is enhanced and safe production underground is guaranteed.
Description
Technical field
The utility model relates to a kind of mining security protection equipment, relates in particular to a kind of mining bend alarm.
Background technology
Mining bend alarm is a kind of mining security protection equipment, often is installed on the mine car front portion.When mine car when track is passed by each step of coal mine lower railway slope, bend or upper and lower parking lot, the mine car human pilot powers on for mining bend alarm, mining bend alarm will send alarm signal and remind near staff to avoid mine car, take care, treat mine car pass by above-mentioned place after the mine car driver again with its outage, mining bend alarm stops to report to the police.What yet at present known mining bend alarm adopted all is audio alert, and when the sound that produces when underground work was very noisy, near staff may can't hear alarm sound, and production brings hidden danger to mine safety for this.
The utility model content
The purpose of this utility model is to provide a kind of mining bend alarm that can carry out sound and light alarm simultaneously, to strengthen mining bend alarm equipment alarm effect, guarantees the safety in production of mine.
For achieving the above object, the utility model provides a kind of mining bend alarm, comprising:
Power subsystem is used for the alternating current from external power supply is carried out step-down, AC-DC processing, output DC successively;
Voltage regulation unit is used for the direct current of described power subsystem output being carried out the voltage stabilizing processing, the output galvanic current;
The audible alarm unit is used for the galvanic current of described voltage regulation unit output is carried out voice and power amplification processing, output sound alarm signal successively;
Also comprise the light alarm unit, be used for described voltage regulation unit output galvanic current is carried out the electric light conversion, the output visual alarm.
Mining bend alarm of the present utility model, described power subsystem comprise that model is that first wiring terminal, fuse, the model of JX1 is step-down transformer, AC/DC converter, the capacitor C 1 of KB1, wherein:
The 1st terminals of first wiring terminal are connected with the 7th terminals of step-down transformer by fuse, the 3rd terminals of first wiring terminal are connected with the 1st terminals of step-down transformer, the 4th terminals ground connection of first wiring terminal, the the 9th, the 13rd terminals of step-down transformer are corresponding to be connected with the 1st, the 3rd input of AC/DC converter, the the 2nd, the 4th output of AC/DC converter is connected with described voltage regulation unit, connects by capacitor C 1 between the 2nd, the 4th output of AC/DC converter.
Mining bend alarm of the present utility model, described voltage regulation unit comprises that two models number are first Voltage stabilizing module of LM317 and second Voltage stabilizing module, triode, first operational amplifier, second operational amplifier, capacitor C 2, capacitor C 3, capacitor C 4, resistance R 20, resistance R 21, resistance R 22, resistance R 23, resistance R 24, resistance R 25, resistance R 26, resistance R 27, resistance R 28, resistance R 29, resistance R 30, wherein:
The 3rd pin of first Voltage stabilizing module, the 8th pin of first operational amplifier, the 8th pin of second operational amplifier respectively with the 2nd output of AC/DC converter, one end of capacitor C 2 connects, one end of resistance R 22, the 4th pin of first operational amplifier, the 4th pin of second operational amplifier, one end of resistance R 27, one end of resistance R 28 respectively with the 4th output of AC/DC converter, the other end of capacitor C 2 connects, the 2nd pin of first Voltage stabilizing module respectively with the emitter stage of triode, the 3rd pin of second Voltage stabilizing module connects, the 1st pin of first Voltage stabilizing module respectively with an end of resistance R 21, the other end of resistance R 22, the 7th pin of first operational amplifier connects, the 1st of second Voltage stabilizing module, connect by resistance R 20 between the 2nd pin, the other end of resistance R 21 is connected with the colelctor electrode of triode, the 2nd pin of second Voltage stabilizing module respectively with an end of resistance R 24, one end of resistance R 26, the positive pole of capacitor C 3, described audible alarm unit, described smooth alarm unit connects, the 1st of described second Voltage stabilizing module, connect by resistance R 23 between the 2nd pin, the other end of resistance R 24 is connected with the base stage of triode, the negative pole of capacitor C 3 is connected with the other end of resistance R 28, the other end of resistance R 26 respectively with the other end of resistance R 27, one end of capacitor C 4, the 5th pin of first operational amplifier, the 5th pin of second operational amplifier connects, the 1st pin of second Voltage stabilizing module respectively with the 7th pin of second operational amplifier, one end of resistance R 25 connects, the 6th pin of first operational amplifier is connected with an end of resistance R 29, the 6th pin of second operational amplifier is connected the other end of capacitor C 3 with an end of resistance R 30, the other end of capacitor C 4, the other end of resistance R 30, the other end ground connection of the other end of resistance R 25 and resistance R 29.
Mining bend alarm of the present utility model, described audible alarm unit comprises that model is the speech processing module of BMP5008, the 3rd Voltage stabilizing module that model is LM317, power amplifier, potentiometer, loudspeaker, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, capacitor C 5, capacitor C 6, capacitor C 7, capacitor C 8, capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, capacitor C 13, the capacitor C 14 that model is TDA2004A, wherein:
The 1st pin of the 3rd Voltage stabilizing module is connected with the 2nd pin of second Voltage stabilizing module, the 3rd pin of the 3rd Voltage stabilizing module respectively with the input of speech processing module, the positive pole of capacitor C 5, one end of capacitor C 6 connects, the 2nd pin of the 3rd Voltage stabilizing module, the equal ground connection of the other end of the negative pole of capacitor C 5 and capacitor C 6, the common end grounding of speech processing module, the output of speech processing module is connected with first terminals of potentiometer, second terminals of potentiometer, adjustable terminals respectively with an end of capacitor C 8, one end of capacitor C 7, one end of resistance R 3 connects, the other end of capacitor C 8 is connected with the 1st pin of power amplifier, the other end ground connection of the other end of capacitor C 7 and resistance R 3, the 9th pin of power amplifier is connected with the 2nd pin of second Voltage stabilizing module, the 2nd pin of power amplifier is connected with the positive pole of capacitor C 9, the negative pole of capacitor C 9 respectively with an end of resistance R 4, one end of resistance R 5, one end of resistance R 6 connects, the other end ground connection of resistance R 4, the 5th pin of power amplifier is connected with the positive pole of capacitor C 10, the minus earth of capacitor C 10, the 4th pin of power amplifier is connected with the negative pole of capacitor C 11, the positive pole of capacitor C 11 respectively with the other end of resistance R 6, one end of resistance R 7 connects, the 3rd pin of power amplifier is connected with the positive pole of capacitor C 12, the minus earth of capacitor C 12, the 6th pin ground connection of power amplifier, the 8th pin of power amplifier respectively with the other end of resistance R 7, one end of resistance R 9, one end of resistance R 11 connects, the 10th pin of power amplifier respectively with the other end of resistance R 5, one end of resistance R 8, one end of resistance R 10 connects, the other end of resistance R 10 is that the 2nd terminals of second wiring terminal of JX2 are connected with the electrode input end of loudspeaker by model, the other end of resistance R 11 is connected with the negative input of loudspeaker by the 1st terminals of second wiring terminal, the other end of resistance R 8 is by capacitor C 13 ground connection, and the other end of resistance R 9 is by electric capacity 14 ground connection.
Mining bend alarm of the present utility model, described smooth alarm unit comprises several light emitting diodes, the positive pole of each light emitting diode is connected with the 2nd pin of second Voltage stabilizing module by the 3rd terminals of second wiring terminal, and the negative electrode of each light emitting diode is by the 4th terminals ground connection of second wiring terminal.
Mining bend alarm of the present utility model comprises power subsystem, voltage regulation unit and sound alarm unit, also comprise the light alarm unit, be used for that voltage regulation unit is exported galvanic current and carry out the electric light conversion, the output visual alarm, thereby mining bend alarm just can realize that acousto-optic reports to the police simultaneously after the mine car human pilot powers on to power subsystem, even downhole acoustic is very noisy like this, near can also reminding by the light that the light alarm unit sends staff in time hides mine car, take care, thereby strengthened mining bend alarm equipment alarm effect, guaranteed the safety in production of mine.
Description of drawings
Fig. 1 is the circuit theory diagrams of mining bend alarm 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 mining bend alarm of present embodiment comprises: power subsystem 1 is used for the alternating current from external power supply is carried out step-down, AC-DC processing, output DC successively; Voltage regulation unit 2 is used for the direct current of power subsystem 1 output being carried out the voltage stabilizing processing, the output galvanic current; Audible alarm unit 4 is used for the galvanic current of voltage regulation unit 2 outputs is carried out voice and power amplification processing, output sound alarm signal successively; Also comprise light alarm unit 3, be used for voltage regulation unit 2 output galvanic currents are carried out the electric light conversion, the output visual alarm.
The mining bend alarm of present embodiment, power subsystem 1 comprises that specifically model is first wiring terminal of JX1, fuse, model is the step-down transformer of KB1, the AC/DC converter, capacitor C 1, wherein, the 1st terminals of first wiring terminal are connected with the 7th terminals of step-down transformer by fuse, the 3rd terminals of first wiring terminal are connected with the 1st terminals of step-down transformer, the 4th terminals ground connection of first wiring terminal, the 9th of step-down transformer, the 13rd terminals correspondence and the 1st of AC/DC converter, the 3rd input connects, the 2nd of AC/DC converter, connect by capacitor C 1 between the 4th output.
The mining bend alarm of present embodiment, voltage regulation unit 2 comprises that two models number are first Voltage stabilizing module of LM317 and second Voltage stabilizing module, triode, first operational amplifier, second operational amplifier, capacitor C 2, capacitor C 3, capacitor C 4, resistance R 20, resistance R 21, resistance R 22, resistance R 23, resistance R 24, resistance R 25, resistance R 26, resistance R 27, resistance R 28, resistance R 29, resistance R 30, wherein, the 3rd pin of first Voltage stabilizing module, the 8th pin of first operational amplifier, the 8th pin of second operational amplifier respectively with the 2nd output of AC/DC converter, one end of capacitor C 2 connects, one end of resistance R 22, the 4th pin of first operational amplifier, the 4th pin of second operational amplifier, one end of resistance R 27, one end of resistance R 28 respectively with the 4th output of AC/DC converter, the other end of capacitor C 2 connects, the 2nd pin of first Voltage stabilizing module respectively with the emitter stage of triode, the 3rd pin of second Voltage stabilizing module connects, the 1st pin of first Voltage stabilizing module respectively with an end of resistance R 21, the other end of resistance R 22, the 7th pin of first operational amplifier connects, the 1st of second Voltage stabilizing module, connect by resistance R 20 between the 2nd pin, the other end of resistance R 21 is connected with the colelctor electrode of triode, the 2nd pin of second Voltage stabilizing module respectively with an end of resistance R 24, one end of resistance R 26, the positive pole of capacitor C 3 connects, the 1st of second Voltage stabilizing module, connect by resistance R 23 between the 2nd pin, the other end of resistance R 24 is connected with the base stage of triode, the negative pole of capacitor C 3 is connected with the other end of resistance R 28, the other end of resistance R 26 respectively with the other end of resistance R 27, one end of capacitor C 4, the 5th pin of first operational amplifier, the 5th pin of second operational amplifier connects, the 1st pin of second Voltage stabilizing module respectively with the 7th pin of second operational amplifier, one end of resistance R 25 connects, the 6th pin of first operational amplifier is connected with an end of resistance R 29, the 6th pin of second operational amplifier is connected the other end of capacitor C 3 with an end of resistance R 30, the other end of capacitor C 4, the other end of resistance R 30, the other end ground connection of the other end of resistance R 25 and resistance R 29.
The mining bend alarm of present embodiment, audible alarm unit 4 comprises that model is the speech processing module of BMP5008, model is the 3rd Voltage stabilizing module of LM317, model is the power amplifier of TDA2004A, potentiometer, loudspeaker, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, capacitor C 5, capacitor C 6, capacitor C 7, capacitor C 8, capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, capacitor C 13, capacitor C 14, wherein, the 1st pin of the 3rd Voltage stabilizing module is connected with the 2nd pin of second Voltage stabilizing module, the 3rd pin of the 3rd Voltage stabilizing module respectively with the input of speech processing module, the positive pole of capacitor C 5, one end of capacitor C 6 connects, the 2nd pin of the 3rd Voltage stabilizing module, the equal ground connection of the other end of the negative pole of capacitor C 5 and capacitor C 6, the common end grounding of speech processing module, the output of speech processing module is connected with first terminals of potentiometer, second terminals of potentiometer, adjustable terminals respectively with an end of capacitor C 8, one end of capacitor C 7, one end of resistance R 3 connects, the other end of capacitor C 8 is connected with the 1st pin of power amplifier, the other end ground connection of the other end of capacitor C 7 and resistance R 3, the 9th pin of power amplifier is connected with the 2nd pin of second Voltage stabilizing module, the 2nd pin of power amplifier is connected with the positive pole of capacitor C 9, the negative pole of capacitor C 9 respectively with an end of resistance R 4, one end of resistance R 5, one end of resistance R 6 connects, the other end ground connection of resistance R 4, the 5th pin of power amplifier is connected with the positive pole of capacitor C 10, the minus earth of capacitor C 10, the 4th pin of power amplifier is connected with the negative pole of capacitor C 11, the positive pole of capacitor C 11 respectively with the other end of resistance R 6, one end of resistance R 7 connects, the 3rd pin of power amplifier is connected with the positive pole of capacitor C 12, the minus earth of capacitor C 12, the 6th pin ground connection of power amplifier, the 8th pin of power amplifier respectively with the other end of resistance R 7, one end of resistance R 9, one end of resistance R 11 connects, the 10th pin of power amplifier respectively with the other end of resistance R 5, one end of resistance R 8, one end of resistance R 10 connects, the other end of resistance R 10 is that the 2nd terminals of second wiring terminal of JX2 are connected with the electrode input end of loudspeaker by model, the other end of resistance R 11 is connected with the negative input of loudspeaker by the 1st terminals of second wiring terminal, the other end of resistance R 8 is by capacitor C 13 ground connection, and the other end of resistance R 9 is by electric capacity 14 ground connection.
The mining bend alarm of present embodiment, light alarm unit 3 comprises a lot of light emitting diodes, the corresponding literal of these light emitting diodes one-tenth capable of being combined is as " driving a vehicle; no through traffic ", the positive pole of each light emitting diode is connected with the 2nd pin of second Voltage stabilizing module by the 3rd terminals of second wiring terminal, and the negative electrode of each light emitting diode is by the 4th terminals ground connection of second wiring terminal.
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 (5)
1. mining bend alarm comprises:
Power subsystem is used for the alternating current from external power supply is carried out step-down, AC-DC processing, output DC successively;
Voltage regulation unit is used for the direct current of described power subsystem output being carried out the voltage stabilizing processing, the output galvanic current;
The audible alarm unit is used for the galvanic current of described voltage regulation unit output is carried out voice and power amplification processing, output sound alarm signal successively;
It is characterized in that, also comprise the light alarm unit, be used for described voltage regulation unit output galvanic current is carried out the electric light conversion, the output visual alarm.
2. mining bend alarm according to claim 1 is characterized in that, described power subsystem comprises that model is that first wiring terminal, fuse, the model of JX1 is step-down transformer, AC/DC converter, the capacitor C 1 of KB1, wherein:
The 1st terminals of first wiring terminal are connected with the 7th terminals of step-down transformer by fuse, the 3rd terminals of first wiring terminal are connected with the 1st terminals of step-down transformer, the 4th terminals ground connection of first wiring terminal, the the 9th, the 13rd terminals of step-down transformer are corresponding to be connected with the 1st, the 3rd input of AC/DC converter, the the 2nd, the 4th output of AC/DC converter is connected with described voltage regulation unit, connects by capacitor C 1 between the 2nd, the 4th output of AC/DC converter.
3. mining bend alarm according to claim 2, it is characterized in that, described voltage regulation unit comprises that two models are first Voltage stabilizing module of LM317 and second Voltage stabilizing module, triode, first operational amplifier, second operational amplifier, capacitor C 2, capacitor C 3, capacitor C 4, resistance R 20, resistance R 21, resistance R 22, resistance R 23, resistance R 24, resistance R 25, resistance R 26, resistance R 27, resistance R 28, resistance R 29, resistance R 30, wherein:
The 3rd pin of first Voltage stabilizing module, the 8th pin of first operational amplifier, the 8th pin of second operational amplifier respectively with the 2nd output of AC/DC converter, one end of capacitor C 2 connects, one end of resistance R 22, the 4th pin of first operational amplifier, the 4th pin of second operational amplifier, one end of resistance R 27, one end of resistance R 28 respectively with the 4th output of AC/DC converter, the other end of capacitor C 2 connects, the 2nd pin of first Voltage stabilizing module respectively with the emitter stage of triode, the 3rd pin of second Voltage stabilizing module connects, the 1st pin of first Voltage stabilizing module respectively with an end of resistance R 21, the other end of resistance R 22, the 7th pin of first operational amplifier connects, the 1st of second Voltage stabilizing module, connect by resistance R 20 between the 2nd pin, the other end of resistance R 21 is connected with the colelctor electrode of triode, the 2nd pin of second Voltage stabilizing module respectively with an end of resistance R 24, one end of resistance R 26, the positive pole of capacitor C 3, described audible alarm unit, described smooth alarm unit connects, the 1st of described second Voltage stabilizing module, connect by resistance R 23 between the 2nd pin, the other end of resistance R 24 is connected with the base stage of triode, the negative pole of capacitor C 3 is connected with the other end of resistance R 28, the other end of resistance R 26 respectively with the other end of resistance R 27, one end of capacitor C 4, the 5th pin of first operational amplifier, the 5th pin of second operational amplifier connects, the 1st pin of second Voltage stabilizing module respectively with the 7th pin of second operational amplifier, one end of resistance R 25 connects, the 6th pin of first operational amplifier is connected with an end of resistance R 29, the 6th pin of second operational amplifier is connected the other end of capacitor C 3 with an end of resistance R 30, the other end of capacitor C 4, the other end of resistance R 30, the other end ground connection of the other end of resistance R 25 and resistance R 29.
4. mining bend alarm according to claim 3, it is characterized in that, described audible alarm unit comprises that model is the speech processing module of BMP5008, the 3rd Voltage stabilizing module that model is LM317, power amplifier, potentiometer, loudspeaker, resistance R 3, resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, capacitor C 5, capacitor C 6, capacitor C 7, capacitor C 8, capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, capacitor C 13, the capacitor C 14 that model is TDA2004A, wherein:
The 1st pin of the 3rd Voltage stabilizing module is connected with the 2nd pin of second Voltage stabilizing module, the 3rd pin of the 3rd Voltage stabilizing module respectively with the input of speech processing module, the positive pole of capacitor C 5, one end of capacitor C 6 connects, the 2nd pin of the 3rd Voltage stabilizing module, the equal ground connection of the other end of the negative pole of capacitor C 5 and capacitor C 6, the common end grounding of speech processing module, the output of speech processing module is connected with first terminals of potentiometer, second terminals of potentiometer, adjustable terminals respectively with an end of capacitor C 8, one end of capacitor C 7, one end of resistance R 3 connects, the other end of capacitor C 8 is connected with the 1st pin of power amplifier, the other end ground connection of the other end of capacitor C 7 and resistance R 3, the 9th pin of power amplifier is connected with the 2nd pin of second Voltage stabilizing module, the 2nd pin of power amplifier is connected with the positive pole of capacitor C 9, the negative pole of capacitor C 9 respectively with an end of resistance R 4, one end of resistance R 5, one end of resistance R 6 connects, the other end ground connection of resistance R 4, the 5th pin of power amplifier is connected with the positive pole of capacitor C 10, the minus earth of capacitor C 10, the 4th pin of power amplifier is connected with the negative pole of capacitor C 11, the positive pole of capacitor C 11 respectively with the other end of resistance R 6, one end of resistance R 7 connects, the 3rd pin of power amplifier is connected with the positive pole of capacitor C 12, the minus earth of capacitor C 12, the 6th pin ground connection of power amplifier, the 8th pin of power amplifier respectively with the other end of resistance R 7, one end of resistance R 9, one end of resistance R 11 connects, the 10th pin of power amplifier respectively with the other end of resistance R 5, one end of resistance R 8, one end of resistance R 10 connects, the other end of resistance R 10 is that the 2nd terminals of second wiring terminal of JX2 are connected with the electrode input end of loudspeaker by model, the other end of resistance R 11 is connected with the negative input of loudspeaker by the 1st terminals of second wiring terminal, the other end of resistance R 8 is by capacitor C 13 ground connection, and the other end of resistance R 9 is by electric capacity 14 ground connection.
5. mining bend alarm according to claim 4, it is characterized in that, described smooth alarm unit comprises several light emitting diodes, the positive pole of each light emitting diode is connected with the 2nd pin of second Voltage stabilizing module by the 3rd terminals of second wiring terminal, and the negative electrode of each light emitting diode is by the 4th terminals ground connection of second wiring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020577076 CN201810351U (en) | 2010-10-25 | 2010-10-25 | Mine bend alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020577076 CN201810351U (en) | 2010-10-25 | 2010-10-25 | Mine bend alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201810351U true CN201810351U (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020577076 Expired - Lifetime CN201810351U (en) | 2010-10-25 | 2010-10-25 | Mine bend alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201810351U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975091A (en) * | 2010-10-25 | 2011-02-16 | 淮南润成科技有限公司 | Mine curve alarm |
| CN103051211A (en) * | 2012-12-24 | 2013-04-17 | 天津三星电子有限公司 | Power adapter |
-
2010
- 2010-10-25 CN CN 201020577076 patent/CN201810351U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975091A (en) * | 2010-10-25 | 2011-02-16 | 淮南润成科技有限公司 | Mine curve alarm |
| CN101975091B (en) * | 2010-10-25 | 2013-02-27 | 淮南润成科技股份有限公司 | Mine curve alarm |
| CN103051211A (en) * | 2012-12-24 | 2013-04-17 | 天津三星电子有限公司 | Power adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUAI NAN RUNCHENG TECHNOLOGY SHARES CO., LTD. Free format text: FORMER NAME: HUAI NAN RUNCHENG TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 232008 LITE-ON Road, Huainan economic and Technological Development Zone, Anhui Patentee after: Huainan Runcheng Technology Co., Ltd. Address before: 232008 LITE-ON Road, Huainan economic and Technological Development Zone, Anhui Patentee before: Huainan Runcheng Technology Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20110427 Effective date of abandoning: 20130227 |
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| RGAV | Abandon patent right to avoid regrant |