CN103762967B - Delay switch circuit and the double power supply converting switch device using the delay switch circuit - Google Patents
Delay switch circuit and the double power supply converting switch device using the delay switch circuit Download PDFInfo
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- CN103762967B CN103762967B CN201410024901.4A CN201410024901A CN103762967B CN 103762967 B CN103762967 B CN 103762967B CN 201410024901 A CN201410024901 A CN 201410024901A CN 103762967 B CN103762967 B CN 103762967B
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Abstract
A kind of delay switch circuit, including the first connection end, delays time to control module, rectifier bridge, controllable switch module, the second connection end, rectifier bridge are used to for the alternating current of the first connection end to be converted into DC current.Delays time to control module is used to carry out charging time delay according to DC current, and control electric signal is sent when preset charged condition is reached to controllable switch module.Controllable switch module is used for response control electric signal, and the first connection end and the second connection end are connected as into path.The present invention also provides a kind of double power supply converting switch device of use delay switch circuit.Above-mentioned delay switch circuit realizes switch by the effect after current hysteresis by rectifier bridge, electric capacity and controllable switch module, it is to avoid electric arc is produced during contact, so as to become safer.
Description
Technical field
The present invention relates to a kind of on-off circuit, more particularly to a kind of delay switch circuit and the delay switch circuit is used
Double power supply converting switch device.
Background technology
In circuit, connect loaded path and often control switching on and off for load and power supply using switching device,
Particularly a kind of double power supply converting switch device, due to closer to the distance between contact and contact in switching device, disconnects wherein
A kind of moment of power supply can produce arcing, and the arcing can be by two contact electrical communications, so as to cause converting switch device or electricity
Source occurs badly damaged.
The content of the invention
Based on this, it is necessary to provide a kind of safer delay switch circuit and the dual power supply using the delay switch circuit
Converting switch device.
A kind of delay switch circuit, including：First connection end, delays time to control module, rectifier bridge, controllable switch module and
Two connection ends,
The rectifier bridge is used to for the alternating current of first connection end to be converted into DC current；
The delays time to control module is used to carry out charging time delay according to the DC current, and is reaching preset charged condition
When send control electric signal to the controllable switch module；
The controllable switch module is used to respond the control electric signal, by first connection end and second connection
End is connected as path；
The control end of the controllable switch module is connected with the electric bridge, the other two ends difference of the controllable switch module
Connect first connection end and second connection end；
The controllable switch module is bidirectional triode thyristor T2,
The anode of the bidirectional triode thyristor T2 is connected with first connection end, and negative electrode is connected with second connection end；
The delays time to control module includes：Resistance R6, resistance R7 and electric capacity C3,
One ac input end of the rectifier bridge is connected by the resistance R6 with first connection end, at the same also with institute
The control end connection of bidirectional triode thyristor T2 is stated, another ac input end of the rectifier bridge is connected with second connection end；
The resistance R7 is connected in parallel with the electric capacity C3, and the positive pole of the electric capacity C3 is just defeated with the direct current of the rectifier bridge
Go out end connection, the negative pole of the electric capacity C3 is connected with the direct current negative output terminal of the rectifier bridge.
In one of embodiment, the controllable switch module also includes voltage-stabiliser tube Z1 and voltage-stabiliser tube Z2,
The voltage-stabiliser tube Z1 and the voltage-stabiliser tube Z2 are reversely concatenated, in addition the two poles of the earth respectively with the control of the bidirectional triode thyristor T2
The one ac input end connection of end processed and the rectifier bridge.
In one of embodiment, the controllable switch module also includes bidirectional trigger diode, the two-way triggering two
The two ends of pole pipe are connected with the control end of the bidirectional triode thyristor T2 and an ac input end of the rectifier bridge respectively.
A kind of double power supply converting switch device, including：The delay switch circuit, switch S, the first power access end, the
Two power access ends, load connection end,
The not moved end of the switch S is connected with the load connection end, and first moved end of the switch S is opened with the time delay
Second connection end connection in powered-down road, first connection end and first power supply in the delay switch circuit
Incoming end is connected, and second moved end of the switch S is connected with the second source incoming end；
The control end of the controllable switch module is connected with the rectifier bridge, the other two ends point of the controllable switch module
First connection end and second connection end are not connected；
The controllable switch module is bidirectional triode thyristor T2, the anode of the bidirectional triode thyristor T2 and first connection end
Connection, negative electrode is connected with second connection end, and the delays time to control module includes：Resistance R6, resistance R7 and electric capacity C3, it is described
One ac input end of rectifier bridge is connected by the resistance R6 with first connection end, at the same also with the bidirectional triode thyristor
The control end connection of T2, another ac input end of the rectifier bridge is connected with second connection end, the resistance R7 and institute
State electric capacity C3 to be connected in parallel, the positive pole of the electric capacity C3 is connected with the direct current positive output end of the rectifier bridge, the electric capacity C3's
Negative pole is connected with the direct current negative output terminal of the rectifier bridge.
Be converted into the alternating current that first connection end receives directly by the rectifier bridge by above-mentioned delay switch circuit
Stream electric current, and charging time delay is carried out to the delays time to control module, when the turn-on condition of the controllable switch module is reached, institute
State controllable switch module and first connection end and second connection end are connected as path, it is achieved thereby that Delayed conducting
Effect, it is to avoid the electric current of switch contact Contact produces electric arc and spark, improves security performance.
A kind of double power supply converting switch device of use delay switch circuit, is capable of achieving external load and passes through the switch S
The function of switching and Delayed conducting between two external power supplys.
Brief description of the drawings
Fig. 1 is the delay switch circuit functional block diagram of a preferred embodiment of the present invention；
Fig. 2 is a kind of physical circuit figure of the delay switch circuit shown in Fig. 1；
Fig. 3 is another physical circuit figure of the delay switch circuit shown in Fig. 1；
Fig. 4 is another another the physical circuit figure of delay switch circuit shown in Fig. 1；
Fig. 5 is the structural representation of the double power supply converting switch device using the delay switch circuit shown in Fig. 1.
Specific embodiment
Fig. 1 is referred to, it is the functional block diagram of the delay switch circuit 10 of present pre-ferred embodiments, including：First
Connection end 100, delays time to control module 200, rectifier bridge 300, the connection end 500 of controllable switch module 400 and second.
The rectifier bridge 300 is used to for the alternating current of first connection end 100 to be converted into DC current.The time delay
Control module 200 is used to carry out charging time delay according to the DC current, and control electricity is sent when preset charged condition is reached
Signal gives the controllable switch module 400.The controllable switch module 400 is used to respond the control electric signal, by described the
One connection end 100 and second connection end 500 are connected as path.
Specific the controllable switch module 400 is three-terminal element in the present embodiment, and wherein one end is control end, is used for
Control the conducting and disconnection at the other two ends of the controllable switch module 400.The preset charged condition that reaches is for the time delay
Control module 200 increases over time constantly charging, and the voltage for being carried in the control end of the controllable switch module 400 is continuous
Raise, and then cause the other two ends conducting of the controllable switch module 400.
Fig. 2 is referred to, in a kind of specific embodiment, the delays time to control module 200 includes：Resistance R1, resistance R2 and
Electric capacity C1.Two respectively with the rectifier bridge 300 of first connection end 100 and second connection end 500 exchange input
End connection.The resistance R2 is connected in parallel with the electric capacity C1.The positive pole of the electric capacity C1 is whole with described by the resistance R1
The direct current positive output end connection of bridge 300, the negative pole of the electric capacity C1 is flowed to be connected with the direct current negative output terminal of the rectifier bridge 300.
The control end of the controllable switch module 400 is connected with the positive pole of the electric capacity C1, and other the two of the controllable switch module 400
End is connected with the direct current positive output end of the rectifier bridge 300 and the direct current negative output terminal of the rectifier bridge 300 respectively.
The controllable switch module 400 is anode and the rectifier bridge of one-way SCR Q1, the one-way SCR Q1
300 direct current positive output end connection, the negative electrode of the one-way SCR Q1 connects with the direct current negative output terminal of the rectifier bridge 300
Connect.
The rectifier bridge 300 is used to receive the external power supply signal of the input of the first connection end 100, and AC power is believed
Number be converted to direct current signal and export.The electric capacity C1 receives the direct current signal and charges, when the electricity at the electric capacity C1 two ends
When pressure reaches the turn-on voltage of the one-way SCR Q1, the one-way SCR Q1 realizes constant conduction, so that institute
The direct current signal for stating the output of the direct current positive output end of rectifier bridge 300 flows through negative pole, Jin Erliu from the anode of the one-way SCR Q1
Enter the direct current negative output terminal of the rectifier bridge 300.The ac supply signal eventually flows to second connection end 500, realizes prolonging
When the effect that turns on.In actual applications, the parameter value of adjustment resistance R1 and electric capacity C1 can change the delays time to control module
200 delay time, so as to control the Delayed conducting of electric current between first connection end 100 and second connection end 500
Time.When the no current of the first connection end 100 is flowed into, the electric charge stored in electric capacity C1 is discharged by resistance R2.
Fig. 3 is referred to, in another specific embodiment, the delays time to control module 200 includes：One-way SCR Q2,
Resistance R3, resistance R4 and electric capacity C2.
The resistance R4 is connected in parallel with the electric capacity C2, and the positive pole of the electric capacity C2 is whole with described by the resistance R3
The direct current positive output end connection of bridge 300 is flowed, the negative pole of the electric capacity C2 is connected with the direct current negative output terminal of the rectifier bridge 300,
The anode of the one-way SCR Q2 is connected with the direct current positive output end of the rectifier bridge 300, the moon of the one-way SCR Q2
Pole is connected with the direct current negative output terminal of the rectifier bridge 300, and the control end of the one-way SCR Q2 is with the electric capacity C2 just
Pole connects, and the one-way SCR Q2 can also be the triple-pole switches such as triode, FET, insulated gate bipolar transistor unit
Part, wherein one extremely control end of triple-pole switch element.
Two ac input ends of the rectifier bridge 300 respectively with first connection end 100 and the gate-controlled switch mould
The control end connection of block 400, the other two ends of the controllable switch module 400 respectively with first connection end 100 and described
Second connection end 500 connects.
The preferably bidirectional controllable silicon T1 of controllable switch module.
After the delays time to control module 200 realizes Delayed conducting, exported from an ac output end of the rectifier bridge 300
Current signal flows to the control end of the bidirectional triode thyristor T1 so that the bidirectional triode thyristor T1 realizes conducting, i.e., from described the
The external power supply signal that one connection end 100 flows into directly flows to second connection end 500, phase by the bidirectional triode thyristor T1
Than flowing through the rectifier bridge 300 and the one-way SCR Q2 in the external power supply signal, the external power supply signal is flowed through
The bidirectional triode thyristor T1 cause circuit consume power it is relatively low, and flow through electric current can be bigger.
The controllable switch module 400 also including resistance R5, the resistance R5 two ends respectively with first connection end
100 and the ac input end connection of the rectifier bridge 300, the resistance R5 are used for metering function, prevent from flowing into described double
To the electric current of the control end of controllable silicon T1 it is excessive and to the bidirectional triode thyristor T1 cause damage.
Fig. 4 is referred to, in still another embodiment, the delays time to control module 200 includes：Resistance R6, resistance R7 and
Electric capacity C3 a, ac input end of the rectifier bridge 300 is connected by the resistance R6 with first connection end 100, while
Control end also with the controllable switch module 400 is connected, and another ac input end of the rectifier bridge 300 connects with described second
Connect end 500 to connect, the other two ends of the controllable switch module 400 connect first connection end 100 and described second respectively
Connection end 500.
The resistance R7 is connected in parallel with the electric capacity C3, and the positive pole of the electric capacity C3 is just defeated with the direct current of the rectifier bridge
Go out end connection, the negative pole of the electric capacity C3 is connected with the direct current negative output terminal of the rectifier bridge.
The controllable switch module 400 is bidirectional triode thyristor T2, and the anode of the bidirectional triode thyristor T2 connects with described first
End connection is connect, negative electrode is connected with second connection end.
First connection end 100 receives external power supply signal, resistance R6 is flowed through, then by the rectifier bridge 300
Rectification, is converted into direct current signal and is charged to electric capacity C3, when the voltage at electric capacity C3 two ends reaches the control of the bidirectional triode thyristor T2
During the conducting voltage at end processed, the external power supply signal flows directly into second connection end by the bidirectional triode thyristor T2
500.In the present embodiment, the resistance R6 is used to coordinate with the electric capacity C3, when adjusting the time delay of the delays time to control module 200
Between length, the resistance R7 is used to discharge the electric charge at the electric capacity C3 two ends.
The controllable switch module 400 also include voltage-stabiliser tube Z1 and voltage-stabiliser tube Z2, the positive pole of the voltage-stabiliser tube Z1 with it is described
The positive pole connection of voltage-stabiliser tube Z2, the negative pole of the voltage-stabiliser tube Z1 is connected with the control end of the bidirectional triode thyristor T2, the voltage stabilizing
The negative pole of pipe Z2 is connected with an ac input end of the rectifier bridge 300；Or the negative pole of the voltage-stabiliser tube Z1 and the voltage stabilizing
The negative pole connection of pipe Z2, the positive pole of the voltage-stabiliser tube Z1 is connected with the control end of the bidirectional triode thyristor T2, the voltage-stabiliser tube Z2
Positive pole be connected with an ac input end of the rectifier bridge 300.The voltage-stabiliser tube Z1 is reversely serially connected in the voltage-stabiliser tube Z2
The control end of the bidirectional triode thyristor T2, it is to avoid it is two-way during the overtension of the control end for being carried in the bidirectional triode thyristor T2 can
Control silicon T2 is not closed.In other embodiment, the voltage-stabiliser tube Z1 is reversely concatenated with the voltage-stabiliser tube Z2 and can be used one pair
Replace to diac.
As shown in figure 5, it is the double power supply converting switch device of the delay switch circuit shown in use Fig. 1 of an embodiment
20, including delay switch circuit 10, switch S, the first power access end 600, second source incoming end 700, load connection end
800。
The not moved end S10 of the switch S is connected with the load connection end 800, the first moved end S20 of the switch S with
Second connection end 500 in the delay switch circuit 10 connects, and described first in the delay switch circuit 10 connects
Connect end 100 to be connected with first power access end 600, the second moved end S30 and the second source incoming end of the switch S
700 connections.S is switched described in the present embodiment and is preferably single-pole double-throw switch (SPDT), or relay.The load connection end
800 are used to connect external load, and it is external that the first power access end 600 and the second source incoming end 700 are used for connection two
Power supply so that the external load can switch power supply by the switch S between two external power supplys.
The alternating current that above-mentioned delay switch circuit 10 is received first connection end 100 by the rectifier bridge 300
DC current is converted into, and charging time delay is carried out to the delays time to control module 200, when reaching the controllable switch module 400
Turn-on condition when, be connected as first connection end 100 and second connection end 500 by the controllable switch module 400
Path, it is achieved thereby that the effect of Delayed conducting.A kind of double power supply converting switch device of use delay switch circuit 10, realizes
External load switched between two external power supplys by the switch S and Delayed conducting function.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (4)
1. a kind of delay switch circuit, it is characterised in that including：First connection end, delays time to control module, rectifier bridge, controllable open
Module and the second connection end are closed,
The rectifier bridge is used to for the alternating current of first connection end to be converted into DC current；
The delays time to control module is used to carry out charging time delay according to the DC current, and is sent out when preset charged condition is reached
Control electric signal is sent to the controllable switch module；
The controllable switch module is used to respond the control electric signal, and first connection end and second connection end are connected
It is connected in path；
The control end of the controllable switch module is connected with the rectifier bridge, and the other two ends of the controllable switch module connect respectively
Connect first connection end and second connection end；
The controllable switch module is bidirectional triode thyristor T2, and the anode of the bidirectional triode thyristor T2 connects with first connection end
Connect, negative electrode is connected with second connection end, the delays time to control module includes：Resistance R6, resistance R7 and electric capacity C3, it is described whole
The ac input end for flowing bridge is connected by the resistance R6 with first connection end, while an exchange of the rectifier bridge is defeated
Enter control end of the end also with the bidirectional triode thyristor T2 to be connected, another ac input end of the rectifier bridge is connected with described second
End connection, the resistance R7 is connected in parallel with the electric capacity C3, and the positive pole of the electric capacity C3 is just defeated with the direct current of the rectifier bridge
Go out end connection, the negative pole of the electric capacity C3 is connected with the direct current negative output terminal of the rectifier bridge.
2. delay switch circuit according to claim 1, it is characterised in that the controllable switch module also includes voltage-stabiliser tube
Z1 and voltage-stabiliser tube Z2,
The voltage-stabiliser tube Z1 and the voltage-stabiliser tube Z2 are reversely concatenated, in addition the two poles of the earth respectively with the control end of the bidirectional triode thyristor T2
An ac input end with the rectifier bridge is connected.
3. delay switch circuit according to claim 1, it is characterised in that the controllable switch module also includes two-way touching
Hair diode, the two ends of the bidirectional trigger diode respectively with the control end of the bidirectional triode thyristor T2 and the rectifier bridge
One ac input end is connected.
4. a kind of double power supply converting switch device, it is characterised in that opened including the time delay any one of claims 1 to 3
Powered-down road, switch S, the first power access end, second source incoming end and load connection end,
The not moved end of the switch S is connected with the load connection end, the first moved end and the delay switch electricity of the switch S
Second connection end connection in road, first connection end and first plant-grid connection in the delay switch circuit
End connection, second moved end of the switch S is connected with the second source incoming end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024901.4A CN103762967B (en) | 2013-11-29 | 2014-01-20 | Delay switch circuit and the double power supply converting switch device using the delay switch circuit |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802439 | 2013-11-29 | ||
| CN2013208024397 | 2013-11-29 | ||
| CN201320802439.7 | 2013-11-29 | ||
| CN201410024901.4A CN103762967B (en) | 2013-11-29 | 2014-01-20 | Delay switch circuit and the double power supply converting switch device using the delay switch circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103762967A CN103762967A (en) | 2014-04-30 |
| CN103762967B true CN103762967B (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410024901.4A Active CN103762967B (en) | 2013-11-29 | 2014-01-20 | Delay switch circuit and the double power supply converting switch device using the delay switch circuit |
| CN201420032618.1U Expired - Lifetime CN203775173U (en) | 2013-11-29 | 2014-01-20 | Time delay switch circuit and dual-power-source selector switch device with same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420032618.1U Expired - Lifetime CN203775173U (en) | 2013-11-29 | 2014-01-20 | Time delay switch circuit and dual-power-source selector switch device with same |
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| CN (2) | CN103762967B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762967B (en) * | 2013-11-29 | 2017-05-31 | 惠州莫思特科技有限公司 | Delay switch circuit and the double power supply converting switch device using the delay switch circuit |
| CN106714395A (en) * | 2015-07-27 | 2017-05-24 | 常州明石晶电科技有限公司 | Electric arc protection circuit for LED lighting device and LED lighting device |
| CN105098970A (en) * | 2015-09-18 | 2015-11-25 | 施耐德万高（天津）电气设备有限公司 | Automatic change-over switch for electric-arc-free fast switching |
| CN110941319B (en) * | 2018-09-21 | 2021-04-27 | 凌宇科技（北京）有限公司 | Automatic starting circuit of equipment and equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051028U (en) * | 1988-03-19 | 1990-01-10 | 邓涛 | Short time-delay electronic switch |
| CN2065804U (en) * | 1990-05-02 | 1990-11-14 | 陈光裕 | Non-power consumption energy-saving time delay switch for filament lamp |
| CN2229732Y (en) * | 1993-12-17 | 1996-06-19 | 田博彦 | Multi-purpose electronic time-delay switch with synchronous starting terminal |
| CN101013825A (en) * | 2007-01-31 | 2007-08-08 | 天津市百利电气有限公司 | Method and apparatus for controlling PC automatic change-over and controller thereof |
| CN101453106A (en) * | 2007-11-30 | 2009-06-10 | 北京市电力公司 | Solid converting switch, thyristor valve body and reinforced switching method |
| CN201260153Y (en) * | 2008-06-03 | 2009-06-17 | 胡英男 | Electronic time-delay switch |
| CN203775173U (en) * | 2013-11-29 | 2014-08-13 | 王晓元 | Time delay switch circuit and dual-power-source selector switch device with same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI405408B (en) * | 2009-04-14 | 2013-08-11 | Novatek Microelectronics Corp | Switching control method capable of continuously providing power and related apparatus and power supply system |
-
2014
- 2014-01-20 CN CN201410024901.4A patent/CN103762967B/en active Active
- 2014-01-20 CN CN201420032618.1U patent/CN203775173U/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051028U (en) * | 1988-03-19 | 1990-01-10 | 邓涛 | Short time-delay electronic switch |
| CN2065804U (en) * | 1990-05-02 | 1990-11-14 | 陈光裕 | Non-power consumption energy-saving time delay switch for filament lamp |
| CN2229732Y (en) * | 1993-12-17 | 1996-06-19 | 田博彦 | Multi-purpose electronic time-delay switch with synchronous starting terminal |
| CN101013825A (en) * | 2007-01-31 | 2007-08-08 | 天津市百利电气有限公司 | Method and apparatus for controlling PC automatic change-over and controller thereof |
| CN101453106A (en) * | 2007-11-30 | 2009-06-10 | 北京市电力公司 | Solid converting switch, thyristor valve body and reinforced switching method |
| CN201260153Y (en) * | 2008-06-03 | 2009-06-17 | 胡英男 | Electronic time-delay switch |
| CN203775173U (en) * | 2013-11-29 | 2014-08-13 | 王晓元 | Time delay switch circuit and dual-power-source selector switch device with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103762967A (en) | 2014-04-30 |
| CN203775173U (en) | 2014-08-13 |
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Effective date of registration: 20170209 Address after: No. 63 building B Hui Taiwan Industrial Zone 516000 in Guangdong province Huizhou City Zhongkai high tech Zone Applicant after: HUIZHOU MOSITE TECHNOLOGY CO., LTD. Address before: The adjacent Garden Road in Qingshan District of Baotou 014000 the Inner Mongolia Autonomous Region 1 Building No. 27 Applicant before: Wang Xiaoyuan |
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