CN203968094U - Energy-saving safe switch - Google Patents
Energy-saving safe switch Download PDFInfo
- Publication number
- CN203968094U CN203968094U CN201320563303.5U CN201320563303U CN203968094U CN 203968094 U CN203968094 U CN 203968094U CN 201320563303 U CN201320563303 U CN 201320563303U CN 203968094 U CN203968094 U CN 203968094U
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- switch
- thyristor
- bidirectional triode
- connects
- bridge rectifier
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Abstract
A kind of energy-saving safe switch, comprises self-lock switch, point driving switch, voltage stabilizing circuit and photoelectrical coupler, it is characterized in that: also comprise inverter, thyristor, bidirectional triode thyristor, bridge rectifier and zero cross detection circuit; Wherein: voltage stabilizing circuit is used to photoelectrical coupler that operating voltage is provided; After photoelectrical coupler, contact Power Generation Road; Inverter is for controlling the conducting of thyristor and bidirectional triode thyristor; Bidirectional triode thyristor is connected with load; Zero cross detection circuit is for overvoltage protection.Advantage is: can realize low-power consumption, the coefficient of stability is high, because there is no relay, so noise is little, life-span length, highly sensitive; Use element is simple, and cost is low, easy of integration; There is protective tube inside, and protection user and electrical appliance safety prevent electric leakage; When normal work, there is the function of regular tap; After power supply disconnects suddenly, then the circuit of sending a telegram here also do not work, and applying light switch just can recover normally, easy and simple to handle.The utility model is applicable to do the switch of various electrical equipment.
Description
Technical field
The utility model relates to a kind of appliance switch, is specifically related to a kind of switch with safety, power saving function.
Background technology
Every kind of electrical appliance all needs to be connected with power supply through switch, in the process using, may have a power failure suddenly, if do not close swap switch, while again incoming call, can work on, cause waste or potential safety hazard, while power failure such as evening, illuminating lamp is bright, if there is no closing switch, to continue bright second day daytime after incoming call, close the waste that will cause electric energy if unmanned on the scene, for another example, while heating up water with electric heater, if powered-down not after having a power failure, after incoming call, can continue heating, but at this moment may nobody find, water heater can dryout water, then burn out water heater, even cause that short circuit causes fire, common switch can not be avoided above-mentioned hidden danger, and in the time of electric voltage exception, do not have yet protection electrical appliance function.The favourable power-off restoration switch of making by the mechanical structure of electromagnet, relay in prior art, weak point is that noise is large, the life-span is generally lower.Utilize in addition capacitor charging, trigger silicon controlled circuit, its coefficient of safety is low, easily gets an electric shock, and inner member is fragile, and rated current is high, waste energy, and sensitivity is low.
Summary of the invention
Problem to be solved in the utility model is to provide after a kind of power failure can open circuit, and has the circuit of electric voltage exception defencive function.
In order to solve the problems of the technologies described above, the utility model provides a kind of energy-saving safe switch, comprise self-lock switch, point driving switch, voltage stabilizing circuit and photoelectrical coupler, it is characterized in that: also comprise inverter, thyristor, bidirectional triode thyristor, bridge rectifier and zero cross detection circuit; Wherein:
--voltage stabilizing circuit is used to photoelectrical coupler that operating voltage is provided;
--after photoelectrical coupler, contact Power Generation Road;
--inverter is for controlling the conducting of thyristor and bidirectional triode thyristor;
--bidirectional triode thyristor is connected with load;
--zero cross detection circuit is for overvoltage protection.
Further design of the present utility model, described self-lock switch J1 one end connects the lower end of AC power V1 by fuse U1, the other end is connected with the left side of point driving switch J2, the upper end of a termination AC power V1 of load X1, the other end connects the right side of point driving switch J2, and voltage stabilizing circuit is in parallel with load X1.
Described inverter comprises switch triode Q1, the output upside of photoelectrical coupler OPTO connects the positive pole of bridge rectifier by current-limiting resistance R2, this output connects the base stage of switch triode Q1 simultaneously, the collector electrode of switch triode Q1 connects the trigger end of thyristor D4, and the both positive and negative polarity of thyristor D4 connects respectively the both positive and negative polarity of bridge rectifier; The two ends of bidirectional triode thyristor D9 are connected on respectively the two ends of point driving switch J2, and its trigger end is connected on the negative pole of bridge rectifier, the trigger end of the upper termination bidirectional triode thyristor D9 of divider resistance R8, the right side of the moving switch J2 of lower tip node.
Described self-lock switch J1 and point driving switch J2 make the integrative-structure of interlock, press after switch panel, and self-lock switch J1 and point driving switch J2 connect simultaneously, unclamp rear self-lock switch J1 and still connect, and point driving switch J2 return disconnects.
Described zero cross detection circuit comprises divider resistance R3, lower divider resistance R4, link resistance R 5, transistor Q2 and thyristor D4, after upper divider resistance R3 and lower divider resistance R4 series connection, be connected on the two ends of bridge rectifier, the base stage of transistor Q2 is connected between divider resistance R3 and lower divider resistance R4, the collector electrode of transistor Q2 connects the collector electrode of switch triode Q1, and connect the positive pole of bridge rectifier by link resistance R 5, in the time that voltage is higher, transistor Q2 conducting, thereby make thyristor D4 cut-off, bidirectional triode thyristor D9 also ends, circuit disconnects, play the effect of protective circuit and electrical appliance.
Compared with prior art, advantage is the utility model: by capacitance decompression, and diode rectification, voltage stabilizing didoe and electric capacity burning voltage, ensure safety; Utilize photoelectrical coupler to carry out the control to follow-up thyristor control end, play the effect of instruction; Utilize thyristor and bidirectional triode thyristor control, can realize low-power consumption, the coefficient of stability is high, because there is no relay, so noise is little, life-span length, highly sensitive; Use element is simple, and cost is low, easy of integration; There is protective tube inside, and protection user and electrical appliance safety prevent electric leakage; When normal work, there is the function of regular tap; After power supply disconnects suddenly, then the circuit of sending a telegram here also do not work, and applying light switch just can recover normally, easy and simple to handle.The utility model is applicable to do the switch of various electrical equipment.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of energy-saving safe switch.
Embodiment
As shown in Figure 1, the utility model comprises self-lock switch J1, point driving switch J2, voltage stabilizing circuit and photoelectrical coupler, also comprises inverter, thyristor D4, bidirectional triode thyristor D9, bridge rectifier and zero cross detection circuit.
Self-lock switch J1 one end connects the lower end of AC power V1 by fuse U1, the other end is connected with the left side of point driving switch J2, the upper end of a termination AC power V1 of load X1, and the other end connects the right side of point driving switch J2, and voltage stabilizing circuit is in parallel with load X1; Described voltage stabilizing circuit comprises dividing potential drop capacitor C 1, electric capacity of voltage regulation C2, voltage-stabiliser tube D1, diode D2 and resistance R 1, and resistance R 1 is for current limliting, connects the input of photoelectrical coupler OPTO, and the input that meets photoelectrical coupler OPTO takes back stream diode D3.Described inverter comprises switch triode Q1, the output upside of photoelectrical coupler OPTO connects the positive pole of bridge rectifier by current-limiting resistance R2, this output connects the base stage of switch triode Q1 simultaneously, the collector electrode of switch triode Q1 connects the trigger end of thyristor D4, and the both positive and negative polarity of thyristor D4 connects respectively the both positive and negative polarity of bridge rectifier; The two ends of bidirectional triode thyristor D9 are connected on respectively the two ends of point driving switch J2, and its trigger end is connected on the negative pole of bridge rectifier, the trigger end of the upper termination bidirectional triode thyristor D9 of divider resistance R8, the right side of the moving switch J2 of lower tip node; As priority scheme of the present utility model, described self-lock switch J1 and point driving switch J2 make the integrative-structure of interlock, press after switch panel, and self-lock switch J1 and point driving switch J2 connect simultaneously.
Described zero cross detection circuit comprises divider resistance R3, lower divider resistance R4, link resistance R 5, transistor Q2 and thyristor D4, after upper divider resistance R3 and lower divider resistance R4 series connection, be connected on the two ends of bridge rectifier, the base stage of transistor Q2 is connected between divider resistance R3 and lower divider resistance R4, the collector electrode of transistor Q2 connects the collector electrode of switch triode Q1, and connect the positive pole of bridge rectifier by link resistance R 5, in the time that voltage is higher, transistor Q2 conducting, thereby make thyristor D4 cut-off, bidirectional triode thyristor D9 also ends, circuit disconnects, play the effect of protective circuit and electrical appliance.Described bridge rectifier comprises D5, D6, D7 and D8.
Switch Q2 in the time of normal work or not, and can make the base stage of Q2 be less than 0.7V according to the resistance that upper and lower divider resistance R3, R4 are set, preferably R3:R4=40:1, and R4 gets below 100 ohm, and R3 gets several kilohms.
In order to reduce the voltage that resistance R 8 is got in the time that D4 does not work, bidirectional triode thyristor D9 is not also worked, resistance R 5, R6 need to meet R8/ (R5+R6+R7+R8) * 220 < 0.5, preferably R5=10K, R6=5K, R7=10K, R8=50, R8 divides to such an extent that voltage can not be excessive, preferably R7:R8=200:1.
After resistance R 9 and capacitor C 3 series connection, more in parallel with bidirectional triode thyristor D9, for the protection of bidirectional triode thyristor D9.
Claims (5)
1. an energy-saving safe switch, comprise self-lock switch (J1), point driving switch (J2), voltage stabilizing circuit and photoelectrical coupler, it is characterized in that: also comprise inverter, thyristor (D4), bidirectional triode thyristor (D9), bridge rectifier and zero cross detection circuit; Wherein:
--voltage stabilizing circuit is used to photoelectrical coupler (OPTO) that operating voltage is provided;
--contact Power Generation Road after photoelectrical coupler (OPTO);
--inverter is used for controlling the conducting of thyristor (D4) and bidirectional triode thyristor (D9);
--bidirectional triode thyristor (D9) is connected with load (X1);
--zero cross detection circuit is for overvoltage protection.
2. energy-saving safe switch according to claim 1, it is characterized in that: described self-lock switch (J1) one end connects the lower end of AC power (V1) by fuse (U1), the other end is connected with the left side of point driving switch (J2), the upper end of one termination AC power (V1) of load (X1), the other end connects the right side of point driving switch (J2), and voltage stabilizing circuit is in parallel with load (X1).
3. energy-saving safe switch according to claim 1, it is characterized in that: described inverter comprises switch triode (Q1), the output upside of photoelectrical coupler (OPTO) connects the positive pole of bridge rectifier by current-limiting resistance (R2), this output connects the base stage of switch triode (Q1) simultaneously, the collector electrode of switch triode (Q1) connects the trigger end of thyristor (D4), and the both positive and negative polarity of thyristor (D4) connects respectively the both positive and negative polarity of bridge rectifier; The two ends of bidirectional triode thyristor (D9) are connected on respectively the two ends of point driving switch (J2), its trigger end is connected on the negative pole of bridge rectifier, the trigger end of the upper termination bidirectional triode thyristor (D9) of divider resistance (R8), the right side of the moving switch (J2) of lower tip node.
4. energy-saving safe switch according to claim 1, is characterized in that: described self-lock switch (J1) and point driving switch (J2) are made the integrative-structure of interlock.
5. energy-saving safe switch according to claim 1, it is characterized in that: described zero cross detection circuit comprises divider resistance (R3), lower divider resistance (R4), chain connecting resistance (R5), transistor (Q2) and thyristor (D4), after upper divider resistance (R3) and lower divider resistance (R4) series connection, be connected on the two ends of bridge rectifier, the base stage of transistor (Q2) is connected between divider resistance (R3) and lower divider resistance (R4), the collector electrode of transistor (Q2) connects the collector electrode of switch triode (Q1), and connect the positive pole of bridge rectifier by chain connecting resistance (R5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563303.5U CN203968094U (en) | 2013-09-06 | 2013-09-06 | Energy-saving safe switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563303.5U CN203968094U (en) | 2013-09-06 | 2013-09-06 | Energy-saving safe switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203968094U true CN203968094U (en) | 2014-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320563303.5U Expired - Fee Related CN203968094U (en) | 2013-09-06 | 2013-09-06 | Energy-saving safe switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203968094U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346914A (en) * | 2017-05-31 | 2017-11-14 | 毛思杰 | AC power PLC switching devices free of discontinuities |
| CN108512540A (en) * | 2017-02-27 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Silicon-controlled driving circuit and the water heater with it |
-
2013
- 2013-09-06 CN CN201320563303.5U patent/CN203968094U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512540A (en) * | 2017-02-27 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Silicon-controlled driving circuit and the water heater with it |
| CN108512540B (en) * | 2017-02-27 | 2024-04-02 | 芜湖美的厨卫电器制造有限公司 | Driving circuit of silicon controlled rectifier and water heater with same |
| CN107346914A (en) * | 2017-05-31 | 2017-11-14 | 毛思杰 | AC power PLC switching devices free of discontinuities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: North China Electric Power University Document name: Notification to Make Rectification |
|
| 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: 20141126 Termination date: 20150906 |
|
| EXPY | Termination of patent right or utility model | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: North China Electric Power University Document name: Notification of Termination of Patent Right |