CN205621247U - Gaseous under -voltage attention device of SF6 switch - Google Patents
Gaseous under -voltage attention device of SF6 switch Download PDFInfo
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- CN205621247U CN205621247U CN201620245616.XU CN201620245616U CN205621247U CN 205621247 U CN205621247 U CN 205621247U CN 201620245616 U CN201620245616 U CN 201620245616U CN 205621247 U CN205621247 U CN 205621247U
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Abstract
The utility model relates to a gaseous under -voltage attention device of SF6 switch, include photoelectric detection switch unit, display driver unit and do the electrical unit of photoelectric detection switch unit and the power supply of display driver unit, the display driver unit include drive circuit and with the pilot lamp that drive circuit connects, the photoelectric detection switch unit is used for make contact when the manometer pointer is in under -voltage position, makes the circuit conduction of display driver unit and makes the pilot lamp sends under -voltage warning. The utility model discloses a make contact when the photoelectric detection switch unit is in under -voltage position at the manometer pointer makes the circuit conduction of display driver unit and makes the pilot lamp sends under -voltage warning convenience directly perceived to the realization is to the gaseous under -voltage alarm function of SF6 switch.
Description
Technical field
The utility model belongs to breaker technical field, is specifically related to a kind of under-voltage attention device of SF6 switching gas.
Background technology
SF6 killer switch is mainly used in mesohigh equipment, stable and reliable for performance.Its arc extinguishing mainly utilizes SF6 gas, and has certain pressure.Without pressure, breaker can not use.
At present, the pressure detecting of SF6 killer switch gas is mainly pointer pressure, is checked by professional's regular visit, and the equipment that especially installation position sets high is patrolled and examined relatively difficult, it is impossible to pinpoint the problems in time, caused serious consequence.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem and provides a kind of under-voltage attention device of SF6 switching gas.
For achieving the above object, the utility model adopts the following technical scheme that
A kind of under-voltage attention device of SF6 switching gas, including photoelectric detection switch unit, display driver element and the power subsystem powered with display driver element for described photoelectric detection switch unit；Described display driver element includes drive circuit and the indicator lamp being connected with described drive circuit；Described photoelectric detection switch unit, for closing contact when gauge hand is in under-voltage position, makes the circuit turn-on of display driver element make described indicator lamp luminescence send under-voltage warning.
Described display driver element connects relay circuit, for after described gauge hand leaves the Guan Bi contact disconnection that under-voltage position makes described photoelectric detection switch unit, makes described display driver element remain powered on conducting state.
Described drive circuit includes triode T1, triode T2, triode T3, and described indicator lamp is light emitting diode D；Described photoelectric detection switch unit includes photoelectric detection switch JK；Photoelectric detection switch JK one end connects positive source wiring, the other end divides two-way to connect resistance R1 respectively, one end of R2, another termination power cathode of resistance R1, the base stage of the other end connecting triode T1 of resistance R2, the base stage of the emitter stage connecting triode T2 of triode T1, the colelctor electrode connecting triode T2 colelctor electrode of triode T1 is followed by positive source wiring, the base stage of triode T2 emitter stage connecting triode T3 simultaneously connects power cathode wiring by electrode R3, the emitter stage of triode T3 connects power cathode wiring, the colelctor electrode of triode T3 is followed by positive source wiring through the light emitting diode D and resistance R4 of concatenation successively.
Described relay circuit includes relay K A, relay K A normally opened contact one end be connected to resistance R2 and photoelectric detection switch JK connect on branch road, the other end is connected on triode T2 and between the tie point of photoelectric detection switch JK and positive source wiring；Relay K A coil one terminates triode T3 colelctor electrode, the other end is connected with positive source wiring.
Described power subsystem includes power-supply battery and power switch.
Described photoelectric detection switch unit is arranged on optoelectronic switch support.
Described SF6 switching gas is under-voltage, and attention device includes box body, and described optoelectronic switch support, photoelectric detection switch unit, power-supply battery and display driver element, relay circuit are arranged in described box body；Described power switch, indicator lamp are fixed on the surface of described box body.
The utility model SF6 switching gas is under-voltage attention device, by including photoelectric detection switch unit, display driver element and for described photoelectric detection switch unit and the power subsystem showing that driver element is powered；Described display driver element includes drive circuit and the indicator lamp being connected with described drive circuit；Described photoelectric detection switch unit for closing contact when gauge hand is in under-voltage position, the circuit turn-on of display driver element is made to make described indicator lamp luminescence send under-voltage warning intuitive and convenient, thus realize the alarm function under-voltage to SF6 switching gas, the pressure detecting solving current SF6 killer switch gas is mainly pointer pressure, checked by professional's regular visit, the equipment that especially installation position sets high, patrol and examine relatively difficult, can not pinpoint the problems in time, the problem causing serious consequence.
Brief description
Fig. 1 show the structural representation of the under-voltage attention device of SF6 switching gas that the utility model embodiment provides；
Fig. 2 show the appearance schematic diagram of the under-voltage attention device of SF6 switching gas；
The circuit theory diagrams of the under-voltage attention device of SF6 switching gas that Fig. 3 provides for the utility model embodiment；
In figure, 1-optoelectronic switch support, 2-Pressure gauge is under-voltage position, 3-optoelectronic switch installation site, 4-gauge hand, 5 Pressure gauge locations of high pressure, 6-Pressure gauge, 7--power switch 8-indicator lamp 9-box body.
Detailed description of the invention
Below, in conjunction with example, substantive distinguishing features of the present utility model and advantage are further described, but the utility model is not limited to listed embodiment.
See shown in Fig. 1-2, a kind of under-voltage attention device of SF6 switching gas, including the 3rd, the photoelectric detection switch unit for the position of the gauge hand 4 that detects Pressure gauge 6 connects the display driver element of described detection switch element 3 and for described photoelectric detection switch unit and the power subsystem showing that driver element is powered；Described display driver element includes drive circuit and the indicator lamp 8 being connected with described drive circuit；Described photoelectric detection switch unit is for when gauge hand 4 is in the under-voltage position 2 of Pressure gauge, and Guan Bi connects two switch contacts of described display driver element, makes the circuit turn-on of display driver element make the luminescence of described indicator lamp 8 send under-voltage warning.
The utility model is by including photoelectric detection switch unit, display driver element, the power subsystem powered for described photoelectric detection switch unit with display driver element；Display driver element includes drive circuit and the indicator lamp being connected with described drive circuit；Close contact by photoelectric detection switch unit when gauge hand is in under-voltage position, the circuit turn-on of display driver element is made to make described indicator lamp luminescence send under-voltage warning intuitive and convenient, thus realize the alarm function under-voltage to SF6 switching gas, the pressure detecting solving current SF6 killer switch gas is mainly pointer pressure, checked by professional's regular visit, the equipment that especially installation position sets high, patrol and examine relatively difficult, can not pinpoint the problems in time, the problem causing serious consequence.
Implementing, described indicator lamp 8 can be with light emitting diode, it is also possible to be common luminous indicating lamp.Described photoelectric detection switch unit can use photoelectric detection switch, when gauge hand is positioned at correspondence position, can make two closings of contact of photoelectric detection switch, so that showing driver element and switching on power, thus realizes that indicator lamp luminescence indicates.
Concrete, described photoelectric detection switch unit 3 may be installed on optoelectronic switch support 1 realizing detecting the position of the gauge hand of Pressure gauge 6, thus realizes that the power supply connecting display driver element is allowed to light-emitting caution.
Wherein, described power subsystem includes power-supply battery and for being switched on or switched off the power switch 7 of electric power loop.Power switch 7 is mainly used in being switched on or switched off display driver circuit, makes display driver circuit energising work or power-off not work.
Further; described display driver element is also connected with relay circuit; after causing the Guan Bi contact of described photoelectric detection switch unit to disconnect for leaving under-voltage position at described gauge hand, described display driver element is made to remain powered on conducting state by relay normally open contact protection attracting state.
Concrete, as an embodiment, shown in Figure 3, described drive circuit can be to include triode T1, triode T2, triode T3, and described indicator lamp 8 is light emitting diode D；Described photoelectric detection switch unit uses photoelectric detection switch JK；Photoelectric detection switch JK one end connects positive source wiring, the other end divides two-way to connect resistance R1 respectively, one end of R2, another termination power cathode of resistance R1, the base stage of the other end connecting triode T1 of resistance R2, the base stage of the emitter stage connecting triode T2 of triode T1, the colelctor electrode connecting triode T2 colelctor electrode of triode T1 is followed by positive source wiring, the base stage of triode T2 emitter stage connecting triode T3 simultaneously connects power cathode wiring by electrode R3, the emitter stage of triode T3 connects power cathode wiring, the colelctor electrode of triode T3 is followed by positive source wiring through the light emitting diode D and resistance R4 of concatenation successively.
When gauge hand forwards the under-voltage position 1 of Pressure gauge to, the photoelectric detection switch JK closing of contact, resistance R1 upper end is high level, makes compound transistor T1 and T2 turn on by resistance R2, and resistance R3 upper end is high level simultaneously, triode T3 is made to turn on, light emitting diode D sends alarm signal, and R4 is light emitting diode current-limiting resistance, so that the power on of drive circuit, indicator lamp light emitting diode D is energized and sends alarm signal, such that it is able to intuitively discover whether under-voltage in inspection.
Concrete, as an embodiment, shown in Figure 3, described relay circuit includes relay K A, relay K A normally opened contact one end be connected to resistance R2 and photoelectric detection switch JK connect on branch road, the other end is connected on triode T2 and between the tie point of photoelectric detection switch JK and positive source wiring；Relay K A coil one terminates triode T3 colelctor electrode, the other end is connected with positive source wiring.
Owing to relay circuit uses the above scheme connecting, when gauge hand forwards under-voltage position to, the photoelectric detection switch JK closing of contact, resistance R1 upper end is high level, compound transistor T1 and T2 is made to turn on by resistance R2, resistance R3 upper end is high level simultaneously, makes triode T3 turn on, and light emitting diode D sends alarm signal, R4 is light emitting diode current-limiting resistance, relay K A obtains electric simultaneously, and its normally opened contact closes, and keeps under-voltage condition；And when gauge hand leaves under-voltage position, photoelectric detection switch JK contact disconnects, but relay K A normally opened contact still closes, drive circuit still with electrical power contacts, thus keep alert status, provide alarm signal for patrol officer.Only deenergization, alarm signal just disconnects.
Further, in the utility model, described SF6 switching gas is under-voltage, and attention device includes box body 9, and described optoelectronic switch support, photoelectric detection switch unit, power-supply battery and display driver element, relay circuit are arranged in described box body；Described power switch, indicator lamp are fixed on the surface of described box body.
The utility model SF6 switching gas is under-voltage attention device, by including Pressure gauge, photoelectric detection switch unit, display driver element；Display driver element includes drive circuit and the indicator lamp being connected with drive circuit；The position of photoelectric detection switch unit detection gauge hand can be effectively utilized, close contact when gauge hand is in under-voltage position, the circuit turn-on of display driver element is made to make described indicator lamp luminescence send under-voltage warning intuitive and convenient, thus realize the alarm function under-voltage to SF6 switching gas, the pressure detecting solving current SF6 killer switch gas is mainly pointer pressure, checked by professional's regular visit, the equipment that especially installation position sets high, patrol and examine relatively difficult, can not pinpoint the problems in time, the problem causing serious consequence.
The above is only preferred embodiment of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. the under-voltage attention device of a SF6 switching gas, it is characterised in that include photoelectric detection switch unit, display driver element and for described photoelectric detection switch unit and the power subsystem showing that driver element is powered；Described display driver element includes drive circuit and the indicator lamp being connected with described drive circuit；Described photoelectric detection switch unit, for closing contact when gauge hand is in under-voltage position, makes the circuit turn-on of display driver element make described indicator lamp luminescence send under-voltage warning.
2. the under-voltage attention device of SF6 switching gas according to claim 1, it is characterized in that, described display driver element connects relay circuit, for after described gauge hand leaves the Guan Bi contact disconnection that under-voltage position makes described photoelectric detection switch unit, described display driver element is made to remain powered on conducting state.
3. the under-voltage attention device of SF6 switching gas according to claim 2, it is characterised in that described drive circuit includes triode T1, triode T2, triode T3, and described indicator lamp is light emitting diode D；Described photoelectric detection switch unit includes photoelectric detection switch JK；Photoelectric detection switch JK one end connects positive source wiring, the other end divides two-way to connect resistance R1 respectively, one end of R2, another termination power cathode of resistance R1, the base stage of the other end connecting triode T1 of resistance R2, the base stage of the emitter stage connecting triode T2 of triode T1, the colelctor electrode connecting triode T2 colelctor electrode of triode T1 is followed by positive source wiring, the base stage of triode T2 emitter stage connecting triode T3 simultaneously connects power cathode wiring by electrode R3, the emitter stage of triode T3 connects power cathode wiring, the colelctor electrode of triode T3 is followed by positive source wiring through the light emitting diode D and resistance R4 of concatenation successively.
4. the under-voltage attention device of SF6 switching gas according to claim 3, it is characterized in that, described relay circuit includes relay K A, relay K A normally opened contact one end be connected to resistance R2 and photoelectric detection switch JK connect on branch road, the other end is connected on triode T2 and between the tie point of photoelectric detection switch JK and positive source wiring；Relay K A coil one terminates triode T3 colelctor electrode, the other end is connected with positive source wiring.
5. the under-voltage attention device of SF6 switching gas according to claim 4, it is characterised in that described power subsystem includes power-supply battery and power switch.
6. the under-voltage attention device of SF6 switching gas according to claim 5, it is characterised in that described photoelectric detection switch unit is arranged on optoelectronic switch support.
7. the under-voltage attention device of SF6 switching gas according to claim 6, it is characterized in that, described SF6 switching gas is under-voltage, and attention device includes box body, and described optoelectronic switch support, photoelectric detection switch unit, power-supply battery and display driver element, relay circuit are arranged in described box body；Described power switch, indicator lamp are fixed on the surface of described box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620245616.XU CN205621247U (en) | 2016-03-28 | 2016-03-28 | Gaseous under -voltage attention device of SF6 switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620245616.XU CN205621247U (en) | 2016-03-28 | 2016-03-28 | Gaseous under -voltage attention device of SF6 switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205621247U true CN205621247U (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620245616.XU Expired - Fee Related CN205621247U (en) | 2016-03-28 | 2016-03-28 | Gaseous under -voltage attention device of SF6 switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205621247U (en) |
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2016
- 2016-03-28 CN CN201620245616.XU patent/CN205621247U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 |
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| CF01 | Termination of patent right due to non-payment of annual fee |