CN102013725B - Time delay switching circuit - Google Patents
Time delay switching circuit Download PDFInfo
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- CN102013725B CN102013725B CN 201010516623 CN201010516623A CN102013725B CN 102013725 B CN102013725 B CN 102013725B CN 201010516623 CN201010516623 CN 201010516623 CN 201010516623 A CN201010516623 A CN 201010516623A CN 102013725 B CN102013725 B CN 102013725B
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- contactor
- energy
- saving
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- bypass
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Abstract
The invention discloses a time delay switching circuit comprising a main loop and a control loop which are mutually connected, wherein the control loop comprises a time delay relay (J7), the time delay relay (J7) comprises diodes (D1, D2, D3, D4), a triode (T1), resistors (R1, R2), a capacitor (C1) and a voltage-stabilized power supply (V1), the main loop comprises a total breaker (L0), a total contactor (J1), an energy conservation coil protective circuit breaker (L1), an energy conservation coil (L2), a first energy conservation contactor (J2) and a first bypass contactor (J3) which are successively serially connected to each other. Compared with the prior art, in the invention, the matching between all elements of a circuit of the time delay relay (J7) of the time delay switching circuit can achieve the effect of time delay of 0.1 second, thereby solving the problems that devices of the main loop are in short circuit due to excessive short time delay and loads connected with the circuit continuously flicker due to excessive long time delay in the prior art.
Description
Technical field
The present invention relates to the delay protection technical field of electric equipment products, relate in particular to a kind of delayed switching circuit.
Background technology
21 century is that the electric energy that is be unable to do without in an energy serious epoch in short supply, particularly people's daily life seems more in short supply.Therefore, in existing electronic and electrical equipment, generally all be provided with power save circuit.Simultaneously energy-conservation in order to realize better, also be provided with delayed switching circuit, when described power save circuit broke down, described delayed switching circuit was started working and is made load operate as normal with described energy-saving circuit and delayed switching circuit.
But the delay effect that existing delayed switching circuit reached is not good.The delayed switching circuit time-delay that has is long, can cause described load the situation of glimmering constantly to occur, thereby influence the use of whole electronic and electrical equipment; The delayed switching circuit time-delay that has is too short, then can cause described power save circuit the situation of short circuit to occur, thereby causes the damage of the components and parts that constitute described power save circuit.
Therefore, be necessary to provide a kind of improved delayed switching circuit to reach preferable delay effect.
Summary of the invention
The purpose of this invention is to provide a kind of delayed switching circuit, described delayed switching circuit can reach delay effect preferably, thereby has prevented that delayed switching circuit of the prior art from damaging components and parts because of long or too short load flicker or the short circuit of causing of delaying time.
For achieving the above object, the invention provides a kind of delayed switching circuit, comprise interconnective major loop and control loop.Wherein, described control loop comprises time-delay relay J 7, the circuit of described time-delay relay J 7 comprises diode D1, D2, D3, D4, triode T1, resistance R 1, R2, capacitor C 1 and stabilized voltage power supply V1, the input of described diode D1 is connected with the output of diode D4, the output of described diode D1 is connected with described resistance R 1 with the collector electrode of triode T1, the end of described stabilized voltage power supply V1 is connected with the base stage of described triode T1, the other end of described stabilized voltage power supply V1 and described resistance R 1, R2 and capacitor C 1 connect, described resistance R 2 and 1 parallel connection of described capacitor C, and the end after the parallel connection is connected with described stabilized voltage power supply V1 with described resistance R 1, the emitter of the other end after the parallel connection and described triode T1 and described diode D3, D4 connects, the input of described diode D3 is connected with the input of diode D4, and the output of described diode D 3 is connected the back external power supply with the input of diode D2; Described major loop comprises successively the main breaker L0 of series connection mutually; total contactor J1; Energy-saving coil protective circuit breaker L1; the Energy-saving coil L2 and the first energy-saving contactor J2; and the first bypass contactor J3; the input of the described first bypass contactor J3 is connected with described Energy-saving coil protective circuit breaker L1 with described total contactor J1; the output of the described first bypass contactor J3 is connected the back external load with the described first energy-saving contactor J2; the input external power supply of described control loop; one output of described control loop is connected with described Energy-saving coil protective circuit breaker L1 with described total contactor J1, and another output of described control loop is connected with described Energy-saving coil L2.
Compared with prior art, cooperation between each element of the time-delay relay J7 circuit of delayed switching circuit of the present invention can reach 0.1 second effect of time-delay, thereby can solve in the prior art because of the problem that short circuit damages components and parts appears in the too short device of major loop that causes of delaying time, also solve the continuous problem of glimmering of the load that is connected because of long and feasible and the described circuit of delaying time in the prior art simultaneously.
In a preferred embodiment of the present invention, described control loop also comprises node button L3, the second energy-saving contactor J4, the second bypass contactor J5, economize on electricity indicator light L4 and bypass indicator light L5, described node button L3 is in the normally-closed contact of described first bypass contactor J3 and the described second energy-saving contactor J4, between the normally opened contact of the second bypass contactor J5, the end of described time-delay relay J7 is in parallel with described second bypass contactor J5 and described bypass indicator light L5, the normally-closed contact of the described second bypass contactor J5 is between described Energy-saving coil L2 and the described second energy-saving contactor J4, the coils from parallel connection of coils of described economize on electricity indicator light L4 and the described second energy-saving contactor J4.
By following description also in conjunction with the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used to explain embodiments of the invention.
Description of drawings
Fig. 1 is the schematic diagram that the major loop of delayed switching circuit one embodiment of the present invention is connected with control loop.
Fig. 2 is the schematic diagram of major loop shown in Figure 1.
Fig. 3 is the schematic diagram of control loop shown in Figure 1, wherein is illustrated as the schematic diagram when not switching on.
Fig. 4 is the internal circuit diagram of time-delay relay J7 shown in Figure 3, wherein also shows the coil of described time-delay relay J7.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, the similar elements label is represented similar elements in the accompanying drawing.As mentioned above, the invention provides a kind of delayed switching circuit, cooperation between each element of the time-delay relay J7 circuit of described delayed switching circuit can reach 0.1 second effect of time-delay, thereby can solve in the prior art because of problem of short-circuit appears in the too short device of major loop that causes of delaying time, also solve the continuous problem of glimmering of the load that is connected because of long and feasible and the described circuit of delaying time in the prior art simultaneously.
Please refer to Fig. 1 and Fig. 2, described delayed switching circuit comprises interconnective major loop 100 and control loop 200.As shown in Figure 2; described major loop 100 comprises successively the main breaker L0 of series connection mutually; total contactor J1; Energy-saving coil protective circuit breaker L1; the Energy-saving coil L2 and the first energy-saving contactor J2; and the first bypass contactor J3; the input of the described first bypass contactor J3 is connected with described Energy-saving coil protective circuit breaker L1 with described total contactor J1; the output of the described first bypass contactor J3 is connected the back external load with the described first energy-saving contactor J2; the input external power supply of described control loop; one output of described control loop is connected with described Energy-saving coil protective circuit breaker L1 with described total contactor J1, and another output of described control loop is connected with described Energy-saving coil L2.What it should be noted that described main breaker L0 input is the three phase mains of 380v.
Particularly, as shown in Figure 3, described control loop 200 comprises node button L3, the second energy-saving contactor J4, the second bypass contactor J5, economize on electricity indicator light L4 and bypass indicator light L5, described node button L3 is in the normally-closed contact of described first bypass contactor J3 and the described second energy-saving contactor J4, between the normally opened contact of the second bypass contactor J5, the end of described time-delay relay J7 is in parallel with described second bypass contactor J5 and described bypass indicator light L5, the normally-closed contact of the described second bypass contactor J5 is between described Energy-saving coil L2 and the described second energy-saving contactor J4, the coils from parallel connection of coils of described economize on electricity indicator light L4 and the described second energy-saving contactor J4.
Preferably, in the present embodiment, described Energy-saving coil L2 is the SPL Energy-saving coil, so just can reach better energy-saving effect.
Particularly, as shown in Figure 4, the internal circuit of described time-delay relay J7 is connected with the coil of described time-delay relay J7.The internal circuit of described time-delay relay J7 comprises diode D1, D2, D3, D4, triode T1, resistance R 1, R2, capacitor C 1 and stabilized voltage power supply V1, the input of described diode D1 is connected with the output of diode D4, the output of described diode D1 is connected with described resistance R 1 with the collector electrode of triode T1, the end of described stabilized voltage power supply V1 is connected with the base stage of described triode T1, the other end of described stabilized voltage power supply V1 and described resistance R 1, R2 and capacitor C 1 connect, described resistance R 2 and 1 parallel connection of described capacitor C, and the end after the parallel connection is connected with described stabilized voltage power supply V1 with described resistance R 1, the emitter of the other end after the parallel connection and described triode T1 and described diode D3, D4 connects, the input of described diode D3 is connected with the input of diode D4, and the output of described diode D3 is connected the back external power supply with the input of diode D2.Wherein, described resistance R 1 is 120 kilo-ohms, and described resistance R 2 is 12 kilo-ohms, and described capacitor C 1 is 10uf, and described stabilized voltage power supply is 3.9v.
Again with reference to figure 3, when described delayed switching circuit is not switched on, the normally-closed contact of the described second bypass contactor J5 is between described Energy-saving coil L2 and the described second energy-saving contactor J4, the coils from parallel connection of coils of described economize on electricity indicator light L4 and the described second energy-saving contactor J4.The normally opened contact of the described second bypass contactor J5 is between described node button L3 and the described bypass indicator light L5, coil one end of described time-delay relay J7 is connected with the normally opened contact of the normally-closed contact of the described second energy-saving appliance J4 and described time-delay relay J7, and the other end of the coil of described time-delay relay J7 is connected with the described second bypass contactor J5, bypass indicator light L5 and economize on electricity indicator light L4.After energising, the normally-closed contact adhesive of the described second bypass contactor J5 has electric current to pass through on the described economize on electricity indicator light L4, enters electricity-saving state.And when the loop at described economize on electricity indicator light L4 place goes wrong, described economize on electricity indicator light L4 extinguishes, the normally opened contact adhesive of the described second bypass contactor J5, the automatic conducting of bypass of promptly economizing on electricity, this moment, described bypass indicator light L5 was shinny, and described time-delay relay J7 enters operating state.
In conjunction with Fig. 3 and Fig. 4, the delay working principle of described time-delay relay J7 is as follows: the alternating current component of electric current drives the coil of described time-delay relay J7, described alternating current component is subjected to the control of DC component, electric current is through described diode D1 and flow to described resistance R 1, flow to described capacitor C 1 and resistance R 2 again with to described capacitor C 1 charging, make the current potential of described capacitor C 1 anode slowly raise; When the voltage at described capacitor C 1 two ends is higher than family of power and influence's voltage of described stabilized voltage power supply V1+0.7v, the base voltage that is described triode T1 reaches+0.7v, described triode T1 saturation conduction, electric current flows out from the emitter of described triode T1, pass through described diode D4 afterwards, make the normally opened contact adhesive of described electric current by described time-delay relay J7 to reach the purpose of time-delay.
Above invention has been described in conjunction with most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.
Claims (2)
1. delayed switching circuit, comprise interconnective major loop and control loop, it is characterized in that: described control loop comprises time-delay relay J7, the circuit of described time-delay relay J7 comprises diode D1, D2, D3, D4, triode T1, resistance R 1, R2, capacitor C 1 and stabilized voltage power supply V1, the input of described diode D1 is connected with the output of diode D4, the output of described diode D1 is connected with described resistance R 1 with the collector electrode of triode T1, the end of described stabilized voltage power supply V1 is connected with the base stage of described triode T1, the other end of described stabilized voltage power supply V1 and described resistance R 1, R2 and capacitor C 1 connect, described resistance R 2 and 1 parallel connection of described capacitor C, and the end after the parallel connection is connected with described stabilized voltage power supply V1 with described resistance R 1, the emitter of the other end after the parallel connection and described triode T1 and described diode D3, D4 connects, the input of described diode D3 is connected with the input of diode D4, and the output of described diode D3 is connected the back external power supply with the input of diode D2;
Described major loop comprises successively the main breaker L0 of series connection mutually; total contactor J1; Energy-saving coil protective circuit breaker L1; the Energy-saving coil L2 and the first energy-saving contactor J2; and the first bypass contactor J3; the input of the described first bypass contactor J3 is connected with described Energy-saving coil protective circuit breaker L1 with described total contactor J1; the output of the described first bypass contactor J3 is connected the back external load with the described first energy-saving contactor J2; the input external power supply of described control loop; one output of described control loop is connected with described Energy-saving coil protective circuit breaker L1 with described total contactor J1, and another output of described control loop is connected with described Energy-saving coil L2.
2. delayed switching circuit as claimed in claim 1, it is characterized in that: described control loop also comprises node button L3, the second energy-saving contactor J4, the second bypass contactor J5, economize on electricity indicator light L4 and bypass indicator light L5, described node button L3 is in the normally-closed contact of described first bypass contactor J3 and the described second energy-saving contactor J4, between the normally opened contact of the second bypass contactor J5, the end of described time-delay relay J7 is in parallel with described second bypass contactor J5 and described bypass indicator light L5, the normally-closed contact of the described second bypass contactor J5 is between described Energy-saving coil L2 and the described second energy-saving contactor J4, the coils from parallel connection of coils of described economize on electricity indicator light L4 and the described second energy-saving contactor J4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010516623 CN102013725B (en) | 2010-10-22 | 2010-10-22 | Time delay switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010516623 CN102013725B (en) | 2010-10-22 | 2010-10-22 | Time delay switching circuit |
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| Publication Number | Publication Date |
|---|---|
| CN102013725A CN102013725A (en) | 2011-04-13 |
| CN102013725B true CN102013725B (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010516623 Expired - Fee Related CN102013725B (en) | 2010-10-22 | 2010-10-22 | Time delay switching circuit |
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| CN (1) | CN102013725B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3440435A (en) * | 1966-12-12 | 1969-04-22 | Westinghouse Electric Corp | Electrical power supply apparatus |
| CN85201253U (en) * | 1985-04-01 | 1986-08-20 | 中国科学院上海冶金研究所 | Timing switch for electric appliances |
| CN2052934U (en) * | 1988-12-02 | 1990-02-14 | 董惠鹏 | Multi-function controller for ac electromagnet brake |
| CN2796242Y (en) * | 2005-01-14 | 2006-07-12 | 李有华 | Electric control and saving device |
| CN201860165U (en) * | 2010-10-22 | 2011-06-08 | 东莞市华胜展鸿电子科技有限公司 | Delay switching circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041861U (en) * | 1987-08-26 | 1989-07-26 | 李京生 | Reaction type multifunction magnitude of current safety appliances |
-
2010
- 2010-10-22 CN CN 201010516623 patent/CN102013725B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3440435A (en) * | 1966-12-12 | 1969-04-22 | Westinghouse Electric Corp | Electrical power supply apparatus |
| CN85201253U (en) * | 1985-04-01 | 1986-08-20 | 中国科学院上海冶金研究所 | Timing switch for electric appliances |
| CN2052934U (en) * | 1988-12-02 | 1990-02-14 | 董惠鹏 | Multi-function controller for ac electromagnet brake |
| CN2796242Y (en) * | 2005-01-14 | 2006-07-12 | 李有华 | Electric control and saving device |
| CN201860165U (en) * | 2010-10-22 | 2011-06-08 | 东莞市华胜展鸿电子科技有限公司 | Delay switching circuit |
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| CN102013725A (en) | 2011-04-13 |
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