CN104158142A - Intelligent remote automatic reclosing lock controller - Google Patents
Intelligent remote automatic reclosing lock controller Download PDFInfo
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- CN104158142A CN104158142A CN201410385867.3A CN201410385867A CN104158142A CN 104158142 A CN104158142 A CN 104158142A CN 201410385867 A CN201410385867 A CN 201410385867A CN 104158142 A CN104158142 A CN 104158142A
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- microcontroller
- intelligent remote
- reclosing
- communication device
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Abstract
The invention discloses an intelligent remote automatic reclosing lock controller. The intelligent remote automatic reclosing lock controller mainly comprises a current sensor, a filter amplifier circuit, an A/D (analog/digital) converter, a microcontroller and an output controller which are sequentially connected, wherein the output controller is connected with a reclosing switch; the microcontroller is connected with a proximity switch sensor; the proximity switch sensor is connected with the reclosing switch; the microcontroller is connected with a monitoring center through a communication device; the communication device uses MAX1480; the microcontroller is connected with the communication device through an RS485 interface. The intelligent remote automatic reclosing lock controller is simple in structure; in the system, a closed-loop feedback loop capable of automatic detection is designed, so that automatic detection and control can be achieved; at the same time, the remote communication device is arranged for remote control over the reclosing switch, so that the workload of working staff is reduced.
Description
Technical field
The present invention relates to power domain, specifically refer to intelligent remote automatic reclosing controller.
Background technology
Auto recloser is a kind of automatics that the circuit breaker because of after fault trip is dropped into as required automatically.The overhead transmission line overwhelming majority's fault is all instantaneity, after relaying protection action excision short trouble, electric arc is by automatic distinguishing, the insulation of in most cases short circuit place can recover automatically, but due to transmission line load, radius of electricity supply is long, line upkeep workload is large, especially overhead distribution should be struck by lightning, bird pest, the impact of the external force such as strong wind and trees, cause transient fault probability high, power supply reliability is poor, therefore, automatically circuit breaker is overlapped, not only can improve the reliability of power supply, reduce loss of outage, and can improve the Transient Stability Level of electric power system.Legacy equipment lacks detection automatically and controls function, makes reclosing be difficult to realize Based Intelligent Control.
Summary of the invention
The object of the present invention is to provide a kind of intelligent remote automatic reclosing controller, this system can improve the reliability of the reclosing course of work, and has communication function, can realize remote measurement, the remote control of equipment.
The present invention is achieved through the following technical solutions:
Intelligent remote automatic reclosing controller, mainly by the current sensor being connected successively, filter amplification circuit, A/D converter, microcontroller, o controller, formed, described o controller is connected with reclosing switch, described microcontroller is also connected with approach switch sensor, and described approach switch sensor is connected with reclosing switch.Described microcontroller is connected with Surveillance center by communication device, and described communication device is selected MAX1480, and described microcontroller is connected by RS485 Interface and Communication device.Current sensor sends to filter amplification circuit by sampled signal to carry out filtering and signal and sends to A/D converter after amplifying and carry out analog-to-digital conversion, microcontroller obtains after digital signal signal by the long-range Surveillance center that sends to of communication device, Surveillance center transmits control signal to microcontroller, thereby microcontroller sends to o controller by control signal and controls reclosing switch, approach switch sensor sense switch is opened situation, and signal feedback is arrived to microcontroller, and then feed back to Surveillance center.By communication device is set, the address of each microcontroller can arrange, and is convenient to realize the unified management of monitoring network, and its function comprises and realizes that parameter setting, controller current state, on/off switch are controlled and fault message reads etc.
Further, for realizing better the present invention, described microcontroller is selected 89C51 single-chip microcomputer.Described microcontroller is also connected with display with keyboard.89C51 is a kind of low-voltage, high-performance CMOS 8-bit microprocessor with 4K byte flicker programmable and erasable read-only memory, is commonly called as single-chip microcomputer.The erasable read-only memory of single-chip microcomputer can be wiped 100 times repeatedly.This device adopts ATMEL high density nonvolatile storage manufacturing technology to manufacture, compatible mutually with MCS-51 instruction set and the output pin of industrial standard.Due to multi-functional 8 bit CPUs and flash memory are combined in one single chip, the 89C51 of ATMEL is a kind of efficient microcontroller.Microcontroller sends to display by reclosing switching signal and shows, for field personnel, checks, field personnel also can pass through keyboard input operation order simultaneously.
Further, for realizing better the present invention, described o controller is selected relay.Relay is a kind of electric control device, is when the variation of input variable (energizing quantity) reaches regulation requirement, makes controlled volume that a kind of electrical equipment that predetermined step changes occurs in electric output circuit.It has control system and by the interactive relationship between control system.Conventionally be applied in the control circuit of automation, it is actually a kind of " automatic switch " that goes to control large electric current running with little electric current.Therefore play the effects such as automatic adjusting, safeguard protection, change-over circuit in circuit.
Further, for realizing better the present invention, described approach switch sensor is selected linear proximity transducer.Linear proximity transducer is a kind of linear unit that belongs to metal induction, after switching on power, sensitive surface at transducer will produce an alternating magnetic field, when metal object approaches this sensitive surface, in metal, produce eddy current and drawn the energy of oscillator, make the linear attenuation of oscillator output amplitude, then according to the variation of attenuation, complete the object of contactless inspected object.This proximity transducer has fricton-tight contact, is not subject to the impact of the nonmetal factors such as dust during work, and low-power consumption, the long-life, can use under various mal-conditions.Linear transducer is mainly used in the Based Intelligent Control of automated arm production line to analog quantity.
The present invention compared with prior art, has following beneficial effect:
(1) the present invention is simple in structure, and closed feedback loop that can automatically detect of system can realize automation and detect and control;
(2) the present invention arranges telecommunication devices, can realize the Long-distance Control of counterweight closing switch, the workload reducing a staff.
Accompanying drawing explanation
Fig. 1 is system global structure block diagram.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1, intelligent remote automatic reclosing controller, mainly by the current sensor being connected successively, filter amplification circuit, A/D converter, microcontroller, o controller, formed, described o controller is connected with reclosing switch, described microcontroller is also connected with approach switch sensor, and described approach switch sensor is connected with reclosing switch.Described microcontroller is connected with Surveillance center by communication device, and described communication device is selected MAX1480, and described microcontroller is connected by RS485 Interface and Communication device.Current sensor sends to filter amplification circuit by sampled signal to carry out filtering and signal and sends to A/D converter after amplifying and carry out analog-to-digital conversion, microcontroller obtains after digital signal signal by the long-range Surveillance center that sends to of communication device, Surveillance center transmits control signal to microcontroller, thereby microcontroller sends to o controller by control signal and controls reclosing switch, approach switch sensor sense switch is opened situation, and signal feedback is arrived to microcontroller, and then feed back to Surveillance center.By communication device is set, the address of each microcontroller can arrange, and is convenient to realize the unified management of monitoring network, and its function comprises and realizes that parameter setting, controller current state, on/off switch are controlled and fault message reads etc.
Embodiment 2:
For realizing better the present invention, the present embodiment further limits described microcontroller and selects 89C51 single-chip microcomputer on the basis of embodiment 1.Described microcontroller is also connected with display with keyboard.89C51 is a kind of low-voltage, high-performance CMOS 8-bit microprocessor with 4K byte flicker programmable and erasable read-only memory, is commonly called as single-chip microcomputer.The erasable read-only memory of single-chip microcomputer can be wiped 100 times repeatedly.This device adopts ATMEL high density nonvolatile storage manufacturing technology to manufacture, compatible mutually with MCS-51 instruction set and the output pin of industrial standard.Due to multi-functional 8 bit CPUs and flash memory are combined in one single chip, the 89C51 of ATMEL is a kind of efficient microcontroller.Microcontroller sends to display by reclosing switching signal and shows, for field personnel, checks, field personnel also can pass through keyboard input operation order simultaneously.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
For realizing better the present invention, the present embodiment further limits described o controller and selects relay on the basis of embodiment 1.Relay is a kind of electric control device, is when the variation of input variable (energizing quantity) reaches regulation requirement, makes controlled volume that a kind of electrical equipment that predetermined step changes occurs in electric output circuit.It has control system and by the interactive relationship between control system.Conventionally be applied in the control circuit of automation, it is actually a kind of " automatic switch " that goes to control large electric current running with little electric current.Therefore play the effects such as automatic adjusting, safeguard protection, change-over circuit in circuit.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 4:
For realizing better the present invention, the present embodiment further limits described approach switch sensor and selects linear proximity transducer on the basis of embodiment 1.Linear proximity transducer is a kind of linear unit that belongs to metal induction, after switching on power, sensitive surface at transducer will produce an alternating magnetic field, when metal object approaches this sensitive surface, in metal, produce eddy current and drawn the energy of oscillator, make the linear attenuation of oscillator output amplitude, then according to the variation of attenuation, complete the object of contactless inspected object.This proximity transducer has fricton-tight contact, is not subject to the impact of the nonmetal factors such as dust during work, and low-power consumption, the long-life, can use under various mal-conditions.Linear transducer is mainly used in the Based Intelligent Control of automated arm production line to analog quantity.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, equivalent variations that every foundation technical spirit of the present invention is done above embodiment, within all falling into protection scope of the present invention.
Claims (6)
1. intelligent remote automatic reclosing controller, it is characterized in that: mainly by the current sensor being connected successively, filter amplification circuit, A/D converter, microcontroller, o controller, formed, described o controller is connected with reclosing switch, described microcontroller is also connected with approach switch sensor, and described approach switch sensor is connected with reclosing switch.
2. intelligent remote automatic reclosing controller according to claim 1, is characterized in that: described microcontroller is also connected with display with keyboard.
3. intelligent remote automatic reclosing controller according to claim 1, it is characterized in that: described microcontroller is connected with Surveillance center by communication device, described communication device is selected MAX1480, and described microcontroller is connected by RS485 Interface and Communication device.
4. intelligent remote automatic reclosing controller according to claim 1, is characterized in that: described microcontroller is selected 89C51 single-chip microcomputer.
5. intelligent remote automatic reclosing controller according to claim 1, is characterized in that: described o controller is selected relay.
6. intelligent remote automatic reclosing controller according to claim 1, is characterized in that: described approach switch sensor is selected linear proximity transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385867.3A CN104158142A (en) | 2014-08-07 | 2014-08-07 | Intelligent remote automatic reclosing lock controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385867.3A CN104158142A (en) | 2014-08-07 | 2014-08-07 | Intelligent remote automatic reclosing lock controller |
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| Publication Number | Publication Date |
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| CN104158142A true CN104158142A (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410385867.3A Pending CN104158142A (en) | 2014-08-07 | 2014-08-07 | Intelligent remote automatic reclosing lock controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556922A (en) * | 2019-09-27 | 2019-12-10 | 国网河北省电力有限公司沧州供电分公司 | knife switch for power dispatching management |
| CN110690759A (en) * | 2019-09-27 | 2020-01-14 | 国网河北省电力有限公司沧州供电分公司 | Power dispatching management system |
-
2014
- 2014-08-07 CN CN201410385867.3A patent/CN104158142A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556922A (en) * | 2019-09-27 | 2019-12-10 | 国网河北省电力有限公司沧州供电分公司 | knife switch for power dispatching management |
| CN110690759A (en) * | 2019-09-27 | 2020-01-14 | 国网河北省电力有限公司沧州供电分公司 | Power dispatching management system |
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Application publication date: 20141119 |