CN201424962Y - High-voltage sensing mining alarm - Google Patents
High-voltage sensing mining alarm Download PDFInfo
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- CN201424962Y CN201424962Y CN2009201031872U CN200920103187U CN201424962Y CN 201424962 Y CN201424962 Y CN 201424962Y CN 2009201031872 U CN2009201031872 U CN 2009201031872U CN 200920103187 U CN200920103187 U CN 200920103187U CN 201424962 Y CN201424962 Y CN 201424962Y
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- travel switch
- integrated chip
- power supply
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Abstract
The utility model relates to a high-voltage sensing mining alarm, which belongs to an alarm device for the safe use of an underground power-supply system in mine. The utility model mainly overcomes the technical difficulty in the traditional equipment that a maintainer is in high risk of being shocked by electricity and injured when carrying out inspections. The utility model adopts the technicalscheme as follows: the high-voltage sensing mining alarm comprises a sounding alarm, a travel switch and a power supply and further comprises a probe, a field-effect tube (BG1), three triodes (BG2), (BG3) and (BG4), an integrated chip (IC), a light emitting diode (LED), resistors (R1), (R2) (R3), (R4), and (R5), and adjustable resistors (RP1) and (RP2), one end of the probe is connected with a grid electrode of the field-effect tube (BG1), and a drain electrode of the field-effect tube (BG1) is connected with one end of the first resistor (R1) and the base electrode of the first triode (BG2).The utility model has the advantages of safety insurance of operating personnel in working, simple circuit and the like.
Description
Technical field
The utility model relates to a kind of mining high-voltage induction alarm device, and it belongs to the warning device of the electric power system safe handling of down-hole, a kind of mine.
Background technology
In the electric power system of down-hole, mine, high-voltage switch gear and low tension switch are a kind of common electric fixturess, often are used in places such as down-hole central substation, distributor point at present.For conserve space, the rear portion of high-voltage switch gear and low tension switch is closer apart from the body of wall distance, is no more than 0.8m, and the maintainer is hurt because of maloperation gets shocked when maintenance easily.
Summary of the invention
The purpose of this utility model is to solve that maintainer that existing equipment exists gets shocked easily and the technological difficulties that are hurt when maintenance, and provides a kind of as long as the maintainer opens the mining high-voltage induction alarm device that the wire connection cavity lid is reported to the police when the high and low voltage switch wire connection cavity is charged.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts to be: mining high-voltage induction alarm device, comprise sonic alarm, travel switch and power supply, wherein: it also comprises probe, FET (BG1), three triodes (BG2), (BG3), (BG4), integrated chip (IC), light emitting diode (LED), five resistance (R1), (R2), (R3), (R4), (R5) and two adjustable resistances (RP1), (RP2), one end of probe is connected with the grid of FET (BG1), the drain electrode of FET (BG1) is connected with end of first resistance (R1) and the base stage of first triode (BG2), the source electrode of FET (BG1) is connected with a fixed end of first adjustable resistance (RP1), the other end of first resistance (R1) is connected with an end of travel switch, the movable contact of first adjustable resistance (RP1) is connected the back and is connected with the negative pole of power supply with another fixed end, the emitter stage of first triode (BG2) is connected with a fixed end of second adjustable resistance (RP2), the colelctor electrode of first triode (BG2) is connected with an end of second resistance (R2) and the base stage of second triode (BG3), the other end of second resistance (R2) is connected with an end of travel switch, the movable contact of second adjustable resistance (RP2) is connected the back and is connected with 2 pin of integrated chip (IC) with another fixed end, the emitter stage of second triode (BG3) is connected with the positive pole of light emitting diode (LED), the negative pole of light emitting diode (LED) is connected with the negative pole of power supply, the colelctor electrode of second triode (BG3) is connected with an end of the 3rd resistance (R3), the other end of the 3rd resistance (R3) is connected with an end of travel switch, 3 pin of integrated chip (IC) are connected with an end of the 4th resistance (R4), the other end of the 4th resistance (R4) is connected with an end of travel switch, 1 pin of integrated chip (IC) is connected with the negative pole of power supply, 4 pin of integrated chip (IC) are connected with the base stage of the 3rd triode (BG4), the emitter stage of the 3rd triode (BG4) is connected with the negative pole of power supply, the colelctor electrode of the 3rd triode (BG4) is connected with an end of the 5th resistance (R5) and an end of sonic alarm, the other end of the 5th resistance (R5) is connected with an end of travel switch, the other end of sonic alarm is connected with an end of travel switch, and the other end of travel switch is connected with the positive pole of power supply.
Described integrated chip (IC) is any one among NFC5212, BA08, KD-9561, the CW9561.
Because the utility model has adopted technique scheme, under the negligent situation, can in time point out wire connection cavity whether charged in unmanned monitoring or because of the operating personnel, ensured operating personnel's personal safety.Therefore.Compare with background technology, the utlity model has following advantage:
1, ensured the personal safety of operating personnel when work;
2, circuit is simple, the reliability height, and operating current is little, does not change the explosion insulation performance of former switch.
Description of drawings
Accompanying drawing is circuit theory diagrams of the present utility model.
The specific embodiment
The utility model will be further described below in conjunction with drawings and Examples.
As shown in drawings, mining high-voltage induction alarm device in the present embodiment, comprise sonic alarm (HA), travel switch (XK) and power supply (VC), wherein: it also comprises probe (A), FET (BG1), three triodes (BG2), (BG3), (BG4), model is the integrated chip (IC) of NFC5212, light emitting diode (LED), five resistance (R1), (R2), (R3), (R4), (R5) and two adjustable resistances (RP1), (RP2), one end of probe (A) is connected with the grid of FET (BG1), the drain electrode of FET (BG1) is connected with end of first resistance (R1) and the base stage of first triode (BG2), the source electrode of FET (BG1) is connected with a fixed end of first adjustable resistance (RP1), the other end of first resistance (R1) is connected with an end of travel switch (XK), the movable contact of first adjustable resistance (RP1) is connected the back and is connected with the negative pole of power supply (VC) with another fixed end, the emitter stage of first triode (BG2) is connected with a fixed end of second adjustable resistance (RP2), the colelctor electrode of first triode (BG2) is connected with an end of second resistance (R2) and the base stage of second triode (BG3), the other end of second resistance (R2) is connected with an end of travel switch (XK), the movable contact of second adjustable resistance (RP2) is connected the back and is connected with 2 pin of integrated chip (IC) with another fixed end, the emitter stage of second triode (BG3) is connected with the positive pole of light emitting diode (LED), the negative pole of light emitting diode (LED) is connected with the negative pole of power supply (VC), the colelctor electrode of second triode (BG3) is connected with an end of the 3rd resistance (R3), the other end of the 3rd resistance (R3) is connected with an end of travel switch (XK), 3 pin of integrated chip (IC) are connected with an end of the 4th resistance (R4), the other end of the 4th resistance (R4) is connected with an end of travel switch (XK), 1 pin of integrated chip (IC) is connected with the negative pole of power supply (VC), 4 pin of integrated chip (IC) are connected with the base stage of the 3rd triode (BG4), the emitter stage of the 3rd triode (BG4) is connected with the negative pole of power supply (VC), the colelctor electrode of the 3rd triode (BG4) is connected with an end of the 5th resistance (R5) and an end of sonic alarm (HA), the other end of the 5th resistance (R5) is connected with an end of travel switch (XK), the other end of sonic alarm (HA) is connected with an end of travel switch (XK), and the other end of travel switch (XK) is connected with the positive pole of power supply (VC).
Integrated chip in the foregoing description (IC) can also use among BA08, KD-9561, the CW9561 any one to substitute.
Operating principle of the present utility model is: when opening enclosing cover, travel switch XK is closed, when if exploring electrode A does not sense electrical body, resistance between leakage-source electrode of FET BG1 is less, the base stage of triode BG2 is in by state because of current potential is lower, and the base stage of triode BG3 is in conducting state because of current potential is high, and LED gets electroluminescence, expression " all are normal, can work "; And integrated chip IC does not work because of Triggerless, and corresponding sonic alarm HA is sounding not.
When conductor had electricity near if exploring electrode A sensed, this moment FET BG1 leakage-source electrode between resistance become big, the base stage of triode BG2 improves conducting because of current potential, corresponding integrated chip IC gets triggering signal and sends the music alarm signal, this signal promotes sonic alarm HA and sends chimes of doom after triode BG4 amplifies, the prompting operating personnel, " have electricity dangerous, Keep off ".
Claims (2)
1, a kind of mining high-voltage induction alarm device, comprise sonic alarm, travel switch and power supply, it is characterized in that: further comprising probe, FET (BG1), three triodes (BG2), (BG3), (BG4), integrated chip (IC), light emitting diode (LED), five resistance (R1), (R2), (R3), (R4), (R5) and two adjustable resistances (RP1), (RP2), one end of probe is connected with the grid of FET (BG1), the drain electrode of FET (BG1) is connected with end of first resistance (R1) and the base stage of first triode (BG2), the source electrode of FET (BG1) is connected with a fixed end of first adjustable resistance (RP1), the other end of first resistance (R1) is connected with an end of travel switch, the movable contact of first adjustable resistance (RP1) is connected the back and is connected with the negative pole of power supply with another fixed end, the emitter stage of first triode (BG2) is connected with a fixed end of second adjustable resistance (RP2), the colelctor electrode of first triode (BG2) is connected with an end of second resistance (R2) and the base stage of second triode (BG3), the other end of second resistance (R2) is connected with an end of travel switch, the movable contact of second adjustable resistance (RP2) is connected the back and is connected with 2 pin of integrated chip (IC) with another fixed end, the emitter stage of second triode (BG3) is connected with the positive pole of light emitting diode (LED), the negative pole of light emitting diode (LED) is connected with the negative pole of power supply, the colelctor electrode of second triode (BG3) is connected with an end of the 3rd resistance (R3), the other end of the 3rd resistance (R3) is connected with an end of travel switch, 3 pin of integrated chip (IC) are connected with an end of the 4th resistance (R4), the other end of the 4th resistance (R4) is connected with an end of travel switch, 1 pin of integrated chip (IC) is connected with the negative pole of power supply, 4 pin of integrated chip (IC) are connected with the base stage of the 3rd triode (BG4), the emitter stage of the 3rd triode (BG4) is connected with the negative pole of power supply, the colelctor electrode of the 3rd triode (BG4) is connected with an end of the 5th resistance (R5) and an end of sonic alarm, the other end of the 5th resistance (R5) is connected with an end of travel switch, the other end of sonic alarm is connected with an end of travel switch, and the other end of travel switch is connected with the positive pole of power supply.
2, mining high-voltage induction alarm device according to claim 1 is characterized in that: described integrated chip (IC) is any one among NFC5212, BA08, KD-9561 and the CW9561.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201031872U CN201424962Y (en) | 2009-06-03 | 2009-06-03 | High-voltage sensing mining alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201031872U CN201424962Y (en) | 2009-06-03 | 2009-06-03 | High-voltage sensing mining alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201424962Y true CN201424962Y (en) | 2010-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201031872U Expired - Fee Related CN201424962Y (en) | 2009-06-03 | 2009-06-03 | High-voltage sensing mining alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201424962Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104778813A (en) * | 2015-03-31 | 2015-07-15 | 苏州华徕光电仪器有限公司 | High-voltage induction alarm |
| CN107315124A (en) * | 2017-06-13 | 2017-11-03 | 韩通振 | A kind of farmland insert row rupture of line suggestion device |
-
2009
- 2009-06-03 CN CN2009201031872U patent/CN201424962Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104778813A (en) * | 2015-03-31 | 2015-07-15 | 苏州华徕光电仪器有限公司 | High-voltage induction alarm |
| CN107315124A (en) * | 2017-06-13 | 2017-11-03 | 韩通振 | A kind of farmland insert row rupture of line suggestion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20110603 |