CN203352272U - Drive circuit of ATE switching mechanism - Google Patents
Drive circuit of ATE switching mechanism Download PDFInfo
- Publication number
- CN203352272U CN203352272U CN 201320333692 CN201320333692U CN203352272U CN 203352272 U CN203352272 U CN 203352272U CN 201320333692 CN201320333692 CN 201320333692 CN 201320333692 U CN201320333692 U CN 201320333692U CN 203352272 U CN203352272 U CN 203352272U
- Authority
- CN
- China
- Prior art keywords
- drive circuit
- switching mechanism
- power supply
- atse
- controllable silicon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
Provided is a drive circuit of an ATE switching mechanism. An output terminal of the drive circuit is connected with an input terminal of a rotary mechanism. The drive circuit comprises a control power supply, a capacitor E1, a photoelectric coupler P, a silicon controlled (SC) and a direct-current excitation coil CNE. An output terminal of the control power supply is connected with an positive pole of the capacitor E1, a negative pole of the capacitor E1 is connected with a T1 pole of the silicon controlled (SC), and a T2 pole of the silicon controlled (SC) is connected with an input terminal of the direct-current excitation coil CNE. One end of an output terminal of the photoelectric coupler P is connected with a G pole of the silicon controlled (SC), and the other end of the output terminal of the photoelectric coupler P is connected with the T2 pole of the silicon controlled (SC). An input terminal of the photoelectric coupler P is connected with a control signal input source IN. The characteristics of zero-crossing stopping of the silicon controlled and counter electromotive force generated instantly after the powered-up direct-current excitation coil is cut off are utilized, so that external zero flashover of a drive part of an ATSE switching mechanism is achieved, currents of the direct-current excitation coil are controlled through a control signal, the fault rate of the drive part of a switch is reduced, service life of the switch is greatly prolonged, and meanwhile good economic and social benefits are achieved.
Description
Technical field
It is automatic transfer switching electric appliance that the utility model relates to a kind of ATSE(Automatic Transfer Switching Equipment) drive circuit of switching mechanism, particularly relate to a kind of drive circuit that drives the switching mechanism of ATSE with electric capacity.
Background technology
Existing similar ATSE, the driving that is the switching mechanism of automatic transfer switching electric appliance is by sensitive switch and rectifier bridge, direct-flow magnet exciting coil to be switched on to control automatic transfer switching electric appliance to change between normal power supply and stand-by power supply, be by the two-way power supply by rectification after directly to direct-flow magnet exciting coil power supply, open by fine motion the power supply that cuts off direct-flow magnet exciting coil after conversion puts in place.In magnet exciting coil, " excitation " is exactly the meaning that excites generation.In coil, by the electric current changed, along the coil center, just have the magnetic line of force to pass through, electric current is larger, and the magnetic line of force is also more, until saturated, turn-off current, the magnetic line of force disappears, and this just is magnet exciting coil.As shown in Figure 2, NA, NN and RA, RN gets respectively the voltage of power supply commonly used and stand-by power supply; Relay and Relay1 are the auxiliary relay contact; SW1, SW2 and SW3, SW4 are sensitive switch; S1 is rectifier bridge; CNE is direct-flow magnet exciting coil; Fig. 2 switches on to control automatic transfer switching electric appliance by sensitive switch and rectifier bridge to direct-flow magnet exciting coil and changes between normal power supply and stand-by power supply, in transfer process, wherein scaling loss is caused because of arcing in the contact of sensitive switch inside, cause automatic transfer switching electric appliance to change reliably between power supply commonly used and stand-by power supply, this is the fatal problem of switch, remains those skilled in the art's solution and improvement.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of drive circuit of ATSE switching mechanism is provided, and has improved switch useful life, and cost is low.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of drive circuit of ATSE switching mechanism, the output of described drive circuit is connected with the input of rotating mechanism, described drive circuit comprises controls power supply, electric capacity E1, photoelectrical coupler P, controllable silicon SC and direct-flow magnet exciting coil CNE, the output of controlling power supply connects the anode of electric capacity E1, the negative electrode of electric capacity E1 connects the T1 utmost point of controllable silicon SC, and the T2 utmost point of controllable silicon SC connects the input of direct-flow magnet exciting coil CNE; Output one end of described photoelectrical coupler P connects the G utmost point of controllable silicon SC, and the other end connects the T2 utmost point of controllable silicon SC.
The input of described photoelectrical coupler P connects a control signal input source IN; The resistance R 2 of connecting between the input of described photoelectrical coupler P and control signal input source IN.
Be provided with resistance R 3, the R4 connected successively between the T2 utmost point of the output of described photoelectrical coupler P and controllable silicon SC; Be connected a capacitor C between the T1 utmost point of described resistance R 3 outputs and controllable silicon SC.
Described control power supply comprises power supply commonly used and stand-by power supply; Between described power output end commonly used and electric capacity E1, rectifier bridge S1 and the resistance R 1 of connecting is set; Between described stand-by power supply output and electric capacity E1, isolating transformer T, rectifier bridge S2 and the resistance R 1 of connecting is set.Described rectifier bridge S1, S2 are constituted by a diode.
Compared with prior art, the beneficial effects of the utility model are: utilize the characteristic of silicon control zero-cross cut-off and the direct-flow magnet exciting coil back electromotive force that produce breaking moment after energising to reach the externally zero arcing of driving part of the switching mechanism of automatic transfer switching electric appliance, and control the direct-flow magnet exciting coil electric current by control signal, reduced the failure rate of switch drive part, greatly improve the useful life of switch, also there is good economic benefit and social benefit simultaneously.
The accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model;
fig. 2 is the prior art circuits structural representation.
Embodiment
Below in conjunction with embodiment, with reference to accompanying drawing, be elaborated, in order to technical characterictic of the present utility model and advantage are interpretated more in-depth.
Electrical block diagram of the present utility model as shown in Figure 1, a kind of drive circuit of ATSE switching mechanism, the output of described drive circuit is connected with the input of rotating mechanism, described drive circuit comprises controls power supply, electric capacity E1, photoelectrical coupler P, controllable silicon SC and direct-flow magnet exciting coil CNE, the output of controlling power supply connects the anode of electric capacity E1, the negative electrode of electric capacity E1 connects the T1 utmost point of controllable silicon SC, and the T2 utmost point of controllable silicon SC connects the input of direct-flow magnet exciting coil CNE; Output one end of described photoelectrical coupler P connects the G utmost point of controllable silicon SC, and the other end connects the T2 utmost point of controllable silicon SC.
The input of described photoelectrical coupler P connects a control signal input source IN; The resistance R 2 of connecting between the input of described photoelectrical coupler P and control signal input source IN.Control signal input source IN is generally a control circuit, every some cycles, sends a control signal IN to photoelectrical coupler.Cycle herein specifically needs to set according to the user.
Be provided with resistance R 3, the R4 connected successively between the T2 utmost point of the output of described photoelectrical coupler P and controllable silicon SC; Be connected a capacitor C between the T1 utmost point of described resistance R 3 outputs and controllable silicon SC.
Described control power supply comprises power supply commonly used and stand-by power supply; Between described power output end commonly used and electric capacity E1, rectifier bridge S1 and the resistance R 1 of connecting is set; Between described stand-by power supply output and electric capacity E1, isolating transformer T1, rectifier bridge S2 and the resistance R 1 of connecting is set.Described rectifier bridge S1, S2 are constituted by a diode.
The T1 utmost point ground connection of electric capacity E1, capacitor C and controllable silicon SC.
Operation principle of the present utility model is as follows: by isolating transformer T, the control power supply of taking from power supply commonly used (NA and NN interface access supply voltage commonly used) and stand-by power supply (RA and RN interface access backup power source voltage) is isolated (through isolating transformer T, rectifier bridge S1, charged to the S2 rectification) electric capacity E1, when the control signal source, IN(control signal IN is small-signal) arrive, through photoelectrical coupler P to control signal of controllable silicon SC, control controllable silicon SC conducting, then further control direct-flow magnet exciting coil CNE conducting, the conversion between power supply and stand-by power supply is commonly used in the switching mechanism that drives automatic transfer switching electric appliance after direct-flow magnet exciting coil CNE conducting, after the switch transition of automatic transfer switching electric appliance puts in place, cut-off after zero crossing under the back electromotive force effect that controllable silicon SC produces at direct-flow magnet exciting coil, then cut off the direct-flow magnet exciting coil power supply, switch has completed once conversion, completed the conversion between power supply commonly used and stand-by power supply, the front end power supply continues to capacitor charging, wait for afterwards the arrival of control signal next time.Control signal IN described in the utility model is pulse signal, only has and when switch need to be changed, just has signal to arrive.
The utility model is in conjunction with the characteristic of silicon control zero-cross cut-off and the direct-flow magnet exciting coil back electromotive force that produce breaking moment after energising, reach the externally zero arcing of driving part of the switching mechanism of automatic transfer switching electric appliance, and (be control signal by small-signal, IN input in Fig. 1, be control signal) control large electric current (the direct-flow magnet exciting coil electric current can reach tens peaces), compare the failure rate that has reduced the switch drive part with traditional control method, greatly improve the useful life of switch, also there is good economic benefit and social benefit simultaneously.
By the technical scheme in above embodiment, the utility model is carried out to clear, complete description, the embodiment that obvious described embodiment is the utility model part, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
Claims (9)
1. the drive circuit of an ATSE switching mechanism, the output of described drive circuit is connected with the input of rotating mechanism, it is characterized in that: described drive circuit comprises controls power supply, electric capacity E1, photoelectrical coupler P, controllable silicon SC and direct-flow magnet exciting coil CNE, the output of controlling power supply connects the anode of electric capacity E1, the negative electrode of electric capacity E1 connects the T1 utmost point of controllable silicon SC, and the T2 utmost point of controllable silicon SC connects the input of direct-flow magnet exciting coil CNE; Output one end of described photoelectrical coupler P connects the G utmost point of controllable silicon SC, and the other end connects the T2 utmost point of controllable silicon SC.
2. the drive circuit of ATSE switching mechanism according to claim 1, it is characterized in that: the input of described photoelectrical coupler P connects a control signal input source IN.
3. the drive circuit of ATSE switching mechanism according to claim 2 is characterized in that: the resistance R 2 of connecting between the input of described photoelectrical coupler P and control signal input source IN.
4. the drive circuit of ATSE switching mechanism according to claim 3 is characterized in that: between the T2 utmost point of the output of described photoelectrical coupler P and controllable silicon SC, be provided with resistance R 3, the R4 connected successively.
5. the drive circuit of ATSE switching mechanism according to claim 4 is characterized in that: between the T1 utmost point of described resistance R 3 outputs and controllable silicon SC, be connected a capacitor C.
6. according to the drive circuit of the described ATSE switching mechanism of any one in claim 1-5, it is characterized in that: described control power supply comprises power supply commonly used and stand-by power supply.
7. the drive circuit of ATSE switching mechanism according to claim 6 is characterized in that: between described power output end commonly used and electric capacity E1, rectifier bridge S1 and the resistance R 1 of connecting is set.
8. the drive circuit of ATSE switching mechanism according to claim 6 is characterized in that: between described stand-by power supply output and electric capacity E1, isolating transformer T, rectifier bridge S2 and the resistance R 1 of connecting is set.
9. according to the drive circuit of the described ATSE switching mechanism of claim 7 or 8, it is characterized in that: described rectifier bridge S1, S2 are constituted by a diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320333692 CN203352272U (en) | 2013-06-09 | 2013-06-09 | Drive circuit of ATE switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320333692 CN203352272U (en) | 2013-06-09 | 2013-06-09 | Drive circuit of ATE switching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203352272U true CN203352272U (en) | 2013-12-18 |
Family
ID=49752122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320333692 Expired - Fee Related CN203352272U (en) | 2013-06-09 | 2013-06-09 | Drive circuit of ATE switching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203352272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280883A (en) * | 2013-06-09 | 2013-09-04 | 广东雅达电子股份有限公司 | Drive circuit of ATE conversion mechanism |
-
2013
- 2013-06-09 CN CN 201320333692 patent/CN203352272U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280883A (en) * | 2013-06-09 | 2013-09-04 | 广东雅达电子股份有限公司 | Drive circuit of ATE conversion mechanism |
| CN103280883B (en) * | 2013-06-09 | 2015-08-19 | 广东雅达电子股份有限公司 | A kind of drive circuit of ATSE switching mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201845250U (en) | Intelligent digital control non-contact voltage stabilizer | |
| CN100517541C (en) | Bistable contactor drive circuit | |
| CN201327782Y (en) | Surgeless contactor arc extinguisher | |
| CN203799965U (en) | Pulse polarity conversion module of composite switch | |
| CN203895364U (en) | Double-coil energy-saving type contactor power source switch | |
| CN203352272U (en) | Drive circuit of ATE switching mechanism | |
| CN205407276U (en) | Electric capacity zero passage switching module | |
| CN203261305U (en) | Novel electronic type alternating-current contactor | |
| CN101295593A (en) | AC power switch for power-off near current zero point | |
| CN103248349B (en) | Electronic AC contactor | |
| CN101252059B (en) | Bistable state permanent magnetism alternating current contactor with rapid charging and discharging control characteristics | |
| CN103280883B (en) | A kind of drive circuit of ATSE switching mechanism | |
| CN103578803A (en) | Driving control device of double-way permanent magnetic mechanism | |
| CN104466974B (en) | Combined synchronous based on individual-phase control technology switchs | |
| CN202997952U (en) | Power supply module of power distribution terminal | |
| CN201936818U (en) | Energy-saving arc-free electromagnetic contactor | |
| CN205489544U (en) | Reactor switching module | |
| CN105680456A (en) | Capacitor zero-crossing switching module | |
| CN201985532U (en) | Intelligent composite integrated switch | |
| CN206332630U (en) | A kind of switched reluctance machines and its braking circuit | |
| CN104816755A (en) | Power assisted steering system for dual-source trackless trolley | |
| CN104124102A (en) | Novel alternating-current high-voltage vacuum circuit breaker for electrified railway | |
| CN210007402U (en) | fast phase-change switch circuit | |
| CN202059324U (en) | Starting device of frequency converter | |
| CN204651912U (en) | A kind of control circuit of high-speed circuit breaker |
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: 20131218 Termination date: 20210609 |