CN204720702U - A kind of voltage fluctuation protection alarm socket - Google Patents
A kind of voltage fluctuation protection alarm socket Download PDFInfo
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- CN204720702U CN204720702U CN201520421696.5U CN201520421696U CN204720702U CN 204720702 U CN204720702 U CN 204720702U CN 201520421696 U CN201520421696 U CN 201520421696U CN 204720702 U CN204720702 U CN 204720702U
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Abstract
The utility model discloses a kind of voltage fluctuation protection alarm socket; comprise over-voltage detection circuit, undervoltage detection circuit and protection warning circuit; described over-voltage detection circuit comprises chip U1, chip U2 and potentiometer RP1; described undervoltage detection circuit comprises chip U3, potentiometer RP2 and diode D9, and described protection warning circuit comprises triode VT1, relay J and loudspeaker B.The utility model socket circuit structure is simple, reasonable in design; voltage fluctuation in real-time detection of grid; in time response is made to the under-voltage of line voltage and overpressure situation, disconnects socket power supply circuits on the one hand, thus disconnect power consumption equipment; sound and light alarm is carried out on the other hand by red, green light-emitting diode and loudspeaker; person easy to use understands protection information, adopts an effective measure in time, reduces the loss; this circuit production cost is low, control is accurate, debugging is convenient, has certain market prospects.
Description
Technical field
The utility model relates to a kind of socket, specifically a kind of voltage fluctuation protection alarm socket.
Background technology
Socket is the most common electric component arrived in daily life, household electrical appliance all can be equipped with socket when electricity consumption, electric energy enters electrical network after exporting from power station, shunt to user by electrical network again, but there is fluctuation in electrical network, such as there will be undervoltage condition during peak of power consumption, and the spike fluctuation in electrical network can cause overvoltage phenomenon, be in overvoltage and under-voltage environment very large to the damage of electrical equipment for a long time, much novel household electrical appliance have overvoltage and under-voltage protection function, but the electrical equipment of some old moneys does not but have this function, the socket with power network fluctuation protection can be good at coordinating this kind of electrical work, but the most complex structure of existing protection socket on market, price is high, therefore popularity rate is very low.
Utility model content
The purpose of this utility model be to provide a kind of cheap, control the protection of voltage fluctuation accurately alarm socket, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of voltage fluctuation protection alarm socket, comprise over-voltage detection circuit, undervoltage detection circuit and protection warning circuit, described over-voltage detection circuit comprises chip U1, chip U2 and potentiometer RP1, described undervoltage detection circuit comprises chip U3, potentiometer RP2 and diode D9, and described protection warning circuit comprises triode VT1, relay J and loudspeaker B;
A stiff end contact resistance R2 of described potentiometer RP1, a stiff end of electric capacity C1 and potentiometer RP2, another stiff end contact resistance R5 of potentiometer RP1, loudspeaker B, 220VAC, 2 pin of socket A, another stiff end of potentiometer RP2 and the emitter of triode VT1, the sliding end of potentiometer RP1 connects 1 pin of chip U1, 2 pins of chip U1 connect the negative electrode of diode D1 and 1 pin of chip U2, 2 pins of chip U2 connect the anode of diode D6, the sliding end of potentiometer RP2 connects 1 pin of chip U3, 2 pins of chip U3 connect the anode of diode D9 and the anode of diode D10, the negative electrode contact resistance R5 of diode D10, the negative electrode of diode D9 connects negative electrode and the resistance R4 of diode D6, the base stage of the other end connecting triode VT1 of resistance R4, the collector electrode of triode VT1 connects the anode of diode D7, 1 pin of relay K and chip U4, the negative electrode of diode D7 connects the other end of relay K and a stiff end of potentiometer RP2, the other end ground connection of electric capacity C1, the other end of resistance R2 connects the negative electrode of diode D2, the anode of diode D2 connects the contact K-1 of relay K, the anode contact resistance R1 of diode D1, the other end of resistance R1 connects electric capacity C2, the negative electrode of diode D3, the negative electrode of diode D4, the sliding end of potentiometer RP2 and another stiff end of potentiometer RP2, the other end of electric capacity C2 connects the anode of diode D4 and the anode of diode D5, the anode contact resistance R3 of diode D3, the negative electrode of electric capacity C3 and diode D5, the other end of resistance R3 connects the other end of electric capacity C3 and the other end of 220AC, 2 negative electrodes of chip U4 connect the negative electrode of diode D8, the anode resistance R6 of diode D8, 1 negative electrode of electric capacity C4 and chip U5, the other end of 2 negative electrode contact resistance R6 of chip U5 and 1 negative electrode of chip U6, 2 negative electrodes of chip U6 connect the other end of electric capacity C4 and the other end of loudspeaker B, 1 pin of the other end gang socket A of relay K-1, the 3 pin ground connection of socket A.
As preferred version of the present utility model: described chip U1 ~ U6 is TOSHIBA type inverter.
As preferred version of the present utility model: described diode D1 is red light-emitting diode, diode D10 is green light LED.
As preferred version of the present utility model: described relay K is normally-closed contact relay.
Compared with prior art; the beneficial effects of the utility model are: the utility model socket circuit structure is simple, reasonable in design; voltage fluctuation in real-time detection of grid; in time response is made to the under-voltage of line voltage and overpressure situation; disconnect socket power supply circuits on the one hand; thus disconnection power consumption equipment; sound and light alarm is carried out on the other hand by red, green light-emitting diode and loudspeaker; person easy to use understands protection information; adopt an effective measure in time; reduce the loss, this circuit production cost is low, control is accurate, debug conveniently, have certain market prospects.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of voltage fluctuation protection alarm socket.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of voltage fluctuation protection alarm socket, comprise over-voltage detection circuit, undervoltage detection circuit and protection warning circuit, described over-voltage detection circuit comprises chip U1, chip U2 and potentiometer RP1, described undervoltage detection circuit comprises chip U3, potentiometer RP2 and diode D9, and described protection warning circuit comprises triode VT1, relay J and loudspeaker B;
A stiff end contact resistance R2 of described potentiometer RP1, a stiff end of electric capacity C1 and potentiometer RP2, another stiff end contact resistance R5 of potentiometer RP1, loudspeaker B, 220VAC, 2 pin of socket A, another stiff end of potentiometer RP2 and the emitter of triode VT1, the sliding end of potentiometer RP1 connects 1 pin of chip U1, 2 pins of chip U1 connect the negative electrode of diode D1 and 1 pin of chip U2, 2 pins of chip U2 connect the anode of diode D6, the sliding end of potentiometer RP2 connects 1 pin of chip U3, 2 pins of chip U3 connect the anode of diode D9 and the anode of diode D10, the negative electrode contact resistance R5 of diode D10, the negative electrode of diode D9 connects negative electrode and the resistance R4 of diode D6, the base stage of the other end connecting triode VT1 of resistance R4, the collector electrode of triode VT1 connects the anode of diode D7, 1 pin of relay K and chip U4, the negative electrode of diode D7 connects the other end of relay K and a stiff end of potentiometer RP2, the other end ground connection of electric capacity C1, the other end of resistance R2 connects the negative electrode of diode D2, the anode of diode D2 connects the contact K-1 of relay K, the anode contact resistance R1 of diode D1, the other end of resistance R1 connects electric capacity C2, the negative electrode of diode D3, the negative electrode of diode D4, the sliding end of potentiometer RP2 and another stiff end of potentiometer RP2, the other end of electric capacity C2 connects the anode of diode D4 and the anode of diode D5, the anode contact resistance R3 of diode D3, the negative electrode of electric capacity C3 and diode D5, the other end of resistance R3 connects the other end of electric capacity C3 and the other end of 220AC, 2 negative electrodes of chip U4 connect the negative electrode of diode D8, the anode resistance R6 of diode D8, 1 negative electrode of electric capacity C4 and chip U5, the other end of 2 negative electrode contact resistance R6 of chip U5 and 1 negative electrode of chip U6, 2 negative electrodes of chip U6 connect the other end of electric capacity C4 and the other end of loudspeaker B, 1 pin of the other end gang socket A of relay K-1, the 3 pin ground connection of socket A.
Chip U1 ~ U6 is TOSHIBA type inverter.
Diode D1 is red light-emitting diode, and diode D10 is green light LED.
Relay K is normally-closed contact relay.
Operation principle of the present utility model is: circuit is accessed 220V line voltage, and 220V alternating current divides two-way to run, a road through electric capacity C2, electric capacity C3, diode D4, D6, D7, after export 12V galvanic current pressure.After another route diode D2 rectification, resistance R1 step-down, electric capacity C1 filtering, potentiometer RP1 and RP2 produces about 10.5V voltage detecting line voltage change input signal.Diode D1 is overvoltage indicator light, and diode D10 is under-voltage instruction.When civil power is normal, inverter U1 exports high level, therefore the equal output low level of U2 and U3, and diode D1 and D10 all ends not luminous, now triode VT1 ends, relay K is failure to actuate, electrical equipment normal power supply, now U4 output low level, diode D8 conducting, U5, U6 and loudspeaker B form tonepulse oscillator, and tonepulse oscillator is injustice, loudspeaker B not sounding.When mains supply over-voltage, inverter U2 exports high level, make triode VT1 saturation conduction, relay K is energized, it is often opened electric shock K-1 and disconnects socket A, simultaneously diode D1 sends ruddiness and reports to the police, and loudspeaker B sounds warning, when civil power is under-voltage, inverter U3 exports high level, after diode D9 and resistance R4, make triode VT1 saturation conduction, trigger relay K works, and disconnects socket A, diode D10 sends green glow warning simultaneously, loudspeaker B sends the sound, reminds user to adopt an effective measure in time, reduces the loss.
Claims (4)
1. a voltage fluctuation protection alarm socket, comprises over-voltage detection circuit, undervoltage detection circuit and protection warning circuit, it is characterized in that, described over-voltage detection circuit comprises chip U1, chip U2 and potentiometer RP1, and described undervoltage detection circuit comprises chip U3, potentiometer RP2 and diode D9, and described protection warning circuit comprises triode VT1, relay J and loudspeaker B, a stiff end contact resistance R2 of described potentiometer RP1, a stiff end of electric capacity C1 and potentiometer RP2, another stiff end contact resistance R5 of potentiometer RP1, loudspeaker B, 220VAC, 2 pin of socket A, another stiff end of potentiometer RP2 and the emitter of triode VT1, the sliding end of potentiometer RP1 connects 1 pin of chip U1, 2 pins of chip U1 connect the negative electrode of diode D1 and 1 pin of chip U2, 2 pins of chip U2 connect the anode of diode D6, the sliding end of potentiometer RP2 connects 1 pin of chip U3, 2 pins of chip U3 connect the anode of diode D9 and the anode of diode D10, the negative electrode contact resistance R5 of diode D10, the negative electrode of diode D9 connects negative electrode and the resistance R4 of diode D6, the base stage of the other end connecting triode VT1 of resistance R4, the collector electrode of triode VT1 connects the anode of diode D7, 1 pin of relay K and chip U4, the negative electrode of diode D7 connects the other end of relay K and a stiff end of potentiometer RP2, the other end ground connection of electric capacity C1, the other end of resistance R2 connects the negative electrode of diode D2, the anode of diode D2 connects the contact K-1 of relay K, the anode contact resistance R1 of diode D1, the other end of resistance R1 connects electric capacity C2, the negative electrode of diode D3, the negative electrode of diode D4, the sliding end of potentiometer RP2 and another stiff end of potentiometer RP2, the other end of electric capacity C2 connects the anode of diode D4 and the anode of diode D5, the anode contact resistance R3 of diode D3, the negative electrode of electric capacity C3 and diode D5, the other end of resistance R3 connects the other end of electric capacity C3 and the other end of 220AC, 2 negative electrodes of chip U4 connect the negative electrode of diode D8, the anode resistance R6 of diode D8, 1 negative electrode of electric capacity C4 and chip U5, the other end of 2 negative electrode contact resistance R6 of chip U5 and 1 negative electrode of chip U6, 2 negative electrodes of chip U6 connect the other end of electric capacity C4 and the other end of loudspeaker B, 1 pin of the other end gang socket A of relay K-1, the 3 pin ground connection of socket A.
2. a kind of voltage fluctuation protection alarm socket according to claim 1, it is characterized in that, described chip U1 ~ U6 is TOSHIBA type inverter.
3. a kind of voltage fluctuation protection alarm socket according to claim 1, it is characterized in that, described diode D1 is red light-emitting diode, and diode D10 is green light LED.
4. a kind of voltage fluctuation protection alarm socket according to claim 1, it is characterized in that, described relay K is normally-closed contact relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421696.5U CN204720702U (en) | 2015-06-18 | 2015-06-18 | A kind of voltage fluctuation protection alarm socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421696.5U CN204720702U (en) | 2015-06-18 | 2015-06-18 | A kind of voltage fluctuation protection alarm socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204720702U true CN204720702U (en) | 2015-10-21 |
Family
ID=54319670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520421696.5U Expired - Fee Related CN204720702U (en) | 2015-06-18 | 2015-06-18 | A kind of voltage fluctuation protection alarm socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204720702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229771A (en) * | 2016-08-15 | 2016-12-14 | 北海市深蓝科技发展有限责任公司 | A kind of socket |
| CN106450961A (en) * | 2016-12-07 | 2017-02-22 | 郑州天舜电子技术有限公司 | Socket for effectively preventing computer voltage fluctuation |
-
2015
- 2015-06-18 CN CN201520421696.5U patent/CN204720702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229771A (en) * | 2016-08-15 | 2016-12-14 | 北海市深蓝科技发展有限责任公司 | A kind of socket |
| CN106450961A (en) * | 2016-12-07 | 2017-02-22 | 郑州天舜电子技术有限公司 | Socket for effectively preventing computer voltage fluctuation |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20160618 |