CN206077061U - Relay protection outlet loop automatic switching control equipment - Google Patents

Relay protection outlet loop automatic switching control equipment Download PDF

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Publication number
CN206077061U
CN206077061U CN201621129925.7U CN201621129925U CN206077061U CN 206077061 U CN206077061 U CN 206077061U CN 201621129925 U CN201621129925 U CN 201621129925U CN 206077061 U CN206077061 U CN 206077061U
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CN
China
Prior art keywords
protective relaying
loop
relaying device
relay
control
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Active
Application number
CN201621129925.7U
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Chinese (zh)
Inventor
吴勇海
郑建芳
林斌
苏松鸿
苏文远
贾景隽
马骁
祝秀波
毛敏鑫
林隽乾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Longyan Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Longyan Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Fujian Electric Power Co Ltd, Longyan Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201621129925.7U priority Critical patent/CN206077061U/en
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Publication of CN206077061U publication Critical patent/CN206077061U/en
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Abstract

The utility model discloses a kind of relay protection outlet loop automatic switching control equipment,By arranging switching device、First protective relaying device、Second protective relaying device、3rd protective relaying device and breaker mechanism,Any judge for the operation power of set protective relaying device to access breaker mechanism by operation circuit using switching device,Normally closed contact as voltage relay is in series with operation circuit,Therefore ensure that the operation power of only a set of protective relaying device simultaneously accesses breaker mechanism,Using the relay protection outlet loop automatic switching control equipment,When different protective relaying devices need outlet transmission and an actual only breaker mechanism,Using switching device automatically switching operation power supply,Prevent different protective relaying device operation powers from mutually going here and there,The information transmission of which set protective relaying device will be switched to monitoring backstage simultaneously,It is easy to training instruction teacher that on-site training personnel are done with the control of whole group transmission test.

Description

Relay protection outlet loop automatic switching control equipment
Technical field
This utility model is related to electric relay protection field, more particularly to a kind of relay protection outlet loop is automatically switched Device.
Background technology
In recent years, developing rapidly with power grid construction, the quantity of transformer station sharply increase, and personnel are newly entered in relay protection Gradually increase, simultaneously because improving to grid equipment maintenance requirement, the requirement to the training of relay protection practitioner is also higher, Need to be more nearly equipment regular maintenance equipment and give training, current relay protection training majority uses mimic-disconnecting switch, It is rarely employed actual chopper to give training, and rare many set protections uses a chopper simultaneously, protect when different relays are needed When protection unit is driven, realize often by artificial rewiring, at present when different protective relaying devices need outlet transmission And during an actual only chopper, need manually to remodify loop to realize, simultaneously because the personnel for participating in training are New registration employee, is unfamiliar with to loop, so often results in loop and changes imperfect and cause different control power supplys mutually to go here and there or connect Line imperfection leads to not realize transmission
Utility model content
In order to solve the above-mentioned problems in the prior art, this utility model provides a kind of automatically switching operation power supply, The relay protection outlet loop automatic switching control equipment for preventing different protection device operation powers from mutually going here and there.
The technical scheme that this utility model is provided is as follows:A kind of relay protection outlet loop automatic switching control equipment, including cutting Changing device and the first protective relaying device being connected in independent loop with switching device respectively, the second protective relaying device, the 3rd Protective relaying device and breaker mechanism, and the monitoring backstage of monitoring switching state, are provided with control in the switching device Module, first protective relaying device, the second protective relaying device and the 3rd protective relaying device and the control module it Between be respectively arranged with the first control loop, the second control loop and the 3rd control loop, first protective relaying device, second Be also respectively provided between protective relaying device and the 3rd protective relaying device and the control module first voltage measure loop, Second voltage measure loop and tertiary voltage measure loop, first protective relaying device, the second protective relaying device and Three protective relaying devices are connected with the breaker mechanism by circuit, between the control module and the breaker mechanism It is provided with operation circuit, the control module is electric according to the first voltage measure loop or second voltage measure loop or the 3rd Press the feedback that measure loop detection voltage whether there is to judge whether to corresponding first protective relaying device or the second relay Protection device or the 3rd protective relaying device send the control instruction of conducting, so that the first relay protection dress switched on Put or the operation power of the second protective relaying device or the 3rd protective relaying device accesses the open circuit by the operation circuit Device mechanism.
In preferred embodiment of the present utility model, on the operation circuit, be provided with voltage relay, the voltage after The normally closed contact of electrical equipment turns on first protective relaying device or the second protective relaying device in being connected on the operation circuit Or the 3rd protective relaying device loop in so that cannot exist in the operation circuit and come from first relay protection dress Put or the second protective relaying device or the 3rd protective relaying device two-way power supply while accessing the breaker mechanism.
In preferred embodiment of the present utility model, the first voltage measure loop, second voltage measure loop and Light coupling relay is provided with three voltage detection circuits.
In preferred embodiment of the present utility model, first control loop, the second control loop and the 3rd are controlled back PhotoMOS relay is provided with road.
In preferred embodiment of the present utility model, also including a measure and control device, the measure and control device is connected to described Between one control loop, the second control loop and the 3rd control loop and the monitoring backstage, for described first is controlled back The switched conductive signal transmission on road, the second control loop and the 3rd control loop is to monitoring backstage.
In preferred embodiment of the present utility model, three display lamps on the measure and control device, are additionally provided with, described three Display lamp is respectively electrically connected to leading for first protective relaying device, the second protective relaying device and the 3rd protective relaying device On logical loop, the correspondence when first protective relaying device or the second protective relaying device or the 3rd protective relaying device are turned on Display lamp light.
In preferred embodiment of the present utility model, the display lamp is set to light emitting diode, the light emitting diode It is electrically connected with the PhotoMOS relay.
In preferred embodiment of the present utility model, the control module is set to single-chip microcomputer.
In preferred embodiment of the present utility model, in the switching device, also include power module.
This utility model produce beneficial effect be:The relay protection outlet loop automatic switching control equipment is cut by arranging Changing device, the first protective relaying device, the second protective relaying device, the 3rd protective relaying device and breaker mechanism, using cutting Changing device is whether there is according to first voltage measure loop or second voltage measure loop or tertiary voltage measure loop detection voltage Feed back to judge whether to corresponding first protective relaying device or the second protective relaying device or the 3rd protective relaying device to send out Go out the control instruction of conducting, so that the first protective relaying device switched on or the second protective relaying device or the 3rd relay are protected The operation power of protection unit accesses breaker mechanism by operation circuit, as voltage relay is in series with operation circuit Normally closed contact, therefore ensure that the operation power of only a set of protective relaying device simultaneously accesses breaker mechanism, using the relay Protection exit loop automatic switching control equipment, when different protective relaying devices need outlet transmission and an actual only chopper machine During structure, using switching device automatically switching operation power supply, prevent different protective relaying device operation powers from mutually going here and there, while will switching Information transmission to which set protective relaying device is easy to training instruction teacher to do whole group to on-site training personnel to monitoring backstage The control of transmission test.
Description of the drawings
System communication charts of the Fig. 1 for the relay protection outlet loop automatic switching control equipment in this utility model;
Fig. 2 is the module contact in switching device in the relay protection outlet loop automatic switching control equipment in this utility model Figure;
Fig. 3 is filled for switching device in the relay protection outlet loop automatic switching control equipment in this utility model and relay protection Control drawing between putting;
Fig. 4 is the wiring in protective relaying device in the relay protection outlet loop automatic switching control equipment in this utility model Figure;
Fig. 5 is filled for switching device in the relay protection outlet loop automatic switching control equipment in this utility model and relay protection Voltage detection circuit figure between putting;
Fig. 6 outputs loop diagram for single-chip microcomputer in the relay protection outlet loop automatic switching control equipment in this utility model.
Specific embodiment
Referring to Fig. 1 to Fig. 6, a kind of relay protection outlet loop automatic switching control equipment, including switching device and with switching dress Put protection device one (the first protective relaying device), two (the first relay protection dress of protection device for connecting in independent loop respectively Put), protection device three (the first protective relaying device) and breaker mechanism, and the monitoring backstage of monitoring switching state, switching Control module (single-chip microcomputer in Fig. 2) is provided with device, in switching device, also includes power module (as shown in Figure 2), protection The first control loop is respectively arranged between device one, protection device two and protection device three and control module, second is controlled back Road and the 3rd control loop, are provided with light MOS relays in the first control loop, the second control loop and the 3rd control loop Device, is also respectively provided with first voltage between protection device one, protection device two and protection device three and control module and detects back Road, second voltage measure loop and tertiary voltage measure loop, first voltage measure loop, second voltage measure loop and the 3rd Light coupling relay is provided with voltage detection circuit, protection device one, protection device two and protection device three pass through circuit It is connected with breaker mechanism, between control module and breaker mechanism, is provided with operation circuit, control module is according to first voltage The feedback that measure loop or second voltage measure loop or tertiary voltage measure loop detection voltage whether there is is judging whether to right The protection device one answered or protection device two or protection device three send the control instruction of conducting, so that protection dress switched on Put one or the operation power of protection device two or protection device three breaker mechanism is accessed by operation circuit.Set on operation circuit Voltage relay is equipped with, the normally closed contact of voltage relay turns on protection device one or protection device two in being connected on operation circuit Or in the loop of protection device three so that cannot exist in operation circuit and come from protection device one or protection device two or protection The two-way power supply of device three accesses breaker mechanism simultaneously.Also include a measure and control device, measure and control device is connected to the first control and returns Between road, the second control loop and the 3rd control loop and monitoring backstage, for by the first control loop, the second control loop and The switched conductive signal transmission of the 3rd control loop is additionally provided with three display lamps to monitoring backstage, on measure and control device, and (figure is not Show), three display lamps are respectively electrically connected on the conducting loop of protection device one, protection device two and protection device three, work as guarantor When protection unit one or protection device two or protection device three are turned on, corresponding display lamp is lighted, and display lamp is set to light-emitting diodes Pipe, light emitting diode are electrically connected with PhotoMOS relay.
Referring to Fig. 1, the relay protection outlet loop automatic switching control equipment, by three protection devices (protection device one, protection Three) operation circuit is connected to automatic switching control equipment to device two, protection device, there was only one group of operation circuit and chopper after switching Operating mechanism is connected, and the connection of three protection devices is sent to monitoring backstage by measure and control device.
Referring to Fig. 2, during the connection of each module in inside of the switching device is as shown in Fig. 2 protection device operation circuit is connected to Between relay front end have a potentiometric detection loop, each auxiliary reclay has an electricity after also having a control loop, and switching Potential relay, only after switching, voltage relay does not have voltage and only one group of auxiliary reclay front end operation circuit has voltage When from scratch, when single-chip microcomputer can send instruction relay conducting, when relay front voltage from have to without when, then single-chip microcomputer meeting Sending instruction disconnects relay, is so automatically engaged and is exited with the different protection device operation powers of realization.
Referring to Fig. 3, control loop such as Fig. 3 of relay, due to making voltage relay of having connected in the loop of relay conducting The normally closed contact of device, when there is voltage relay rear end, normally closed contact disconnects, and so allows for having had a protection device Operation power is served, then when having a protection device to send installation's power source again, then the relay is not turned on, it is to avoid two groups of operation electricity Mutually go here and there in source.
Referring to Fig. 4, each contact of auxiliary reclay as shown in figure 4, when contact 1 receives single-chip microcomputer signal, relay 3-4 contacts, 5-6 contacts, 9-10 contacts, 11-12 junction closures, then now operation circuit is conducted to chopper, while 7- Action signal is sent to monitoring backstage by measure and control device by 8 junction closures, when middle relay tip 13 receives single-chip microcomputer signal When, then these contacts are all off.
Referring to Fig. 5, voltage detection circuit is as shown in figure 5, pass through light coupling relay by 1 in operation circuit and 2 voltage differences It is linked into single-chip microcomputer to open into just establish by cable fashionable when having, judge that there is voltage in the loop.
Referring to Fig. 6, single-chip microcomputer outputs loop as shown in fig. 6, when single-chip microcomputer is outputed, PhotoMOS relay light-emitting diode When pipe is luminous+,-junction closure, for controlling contact-relay.
In sum, the relay protection outlet loop automatic switching control equipment is by arranging switching device, three sets of relay protections Device and breaker mechanism, judge the operation power of which set protective relaying device is connect by operation circuit using switching device Enter breaker mechanism, the normally closed contact as voltage relay is in series with operation circuit, therefore ensure simultaneously only a set of The operation power of protective relaying device accesses breaker mechanism, using the relay protection outlet loop automatic switching control equipment, when not When needing outlet transmission and an actual only breaker mechanism with protective relaying device, using switching device automatically switching operation Power supply, prevents different protective relaying device operation powers from mutually going here and there, while the information for switching to which set protective relaying device is passed Monitoring backstage is delivered to, is easy to training instruction teacher that on-site training personnel are done with the control of whole group transmission test.
A specific embodiment of the present utility model is above are only, but design concept of the present utility model is not limited to This, all changes for carrying out unsubstantiality using this design to this utility model all should belong to infringement this utility model protection domain Behavior.

Claims (9)

1. a kind of relay protection outlet loop automatic switching control equipment, it is characterised in that:Divide including switching device and with switching device Cheng not the first protective relaying device of independent loop connection, the second protective relaying device, the 3rd protective relaying device and chopper Mechanism, and the monitoring backstage of monitoring switching state, are provided with control module, first relay protection in the switching device It is respectively arranged with the first control to return between device, the second protective relaying device and the 3rd protective relaying device and the control module Road, the second control loop and the 3rd control loop, first protective relaying device, the second protective relaying device and the 3rd relay First voltage measure loop, second voltage measure loop and the 3rd are also respectively provided between protection device and the control module Voltage detection circuit, first protective relaying device, the second protective relaying device and the 3rd protective relaying device pass through line Road is connected with the breaker mechanism, and operation circuit, the control are provided between the control module and the breaker mechanism Molding tuber has according to the first voltage measure loop or second voltage measure loop or tertiary voltage measure loop detection voltage The feedback of nothing is judging whether to corresponding first protective relaying device or the second protective relaying device or the 3rd relay to protect Protection unit sends the control instruction of conducting, so that first protective relaying device switched on or the second protective relaying device Or the 3rd the operation power of protective relaying device the breaker mechanism is accessed by the operation circuit.
2. relay protection outlet loop according to claim 1 automatic switching control equipment, it is characterised in that:The operation circuit On be provided with voltage relay, the normally closed contact of the voltage relay turn in being connected on the operation circuit described first after In the loop of electrical protective device or the second protective relaying device or the 3rd protective relaying device so that cannot in the operation circuit Presence comes from the two-way power supply of first protective relaying device or the second protective relaying device or the 3rd protective relaying device Access the breaker mechanism simultaneously.
3. relay protection outlet loop according to claim 1 automatic switching control equipment, it is characterised in that:The first voltage Light coupling relay is provided with measure loop, second voltage measure loop and tertiary voltage measure loop.
4. relay protection outlet loop according to claim 1 automatic switching control equipment, it is characterised in that:First control PhotoMOS relay is provided with loop, the second control loop and the 3rd control loop.
5. relay protection outlet loop according to claim 4 automatic switching control equipment, it is characterised in that:Also include an observing and controlling Device, the measure and control device are connected to first control loop, the second control loop and the 3rd control loop and the monitoring Between backstage, for by the switched conductive signal transmission of first control loop, the second control loop and the 3rd control loop To monitoring backstage.
6. relay protection outlet loop according to claim 5 automatic switching control equipment, it is characterised in that:The measure and control device On be additionally provided with three display lamps, three display lamps are respectively electrically connected to first protective relaying device, the second relay On the conducting loop of protection device and the 3rd protective relaying device, when first protective relaying device or the second relay protection are filled Put or the 3rd protective relaying device turn on when corresponding display lamp light.
7. relay protection outlet loop according to claim 6 automatic switching control equipment, it is characterised in that:The display lamp sets Light emitting diode is set to, the light emitting diode is electrically connected with the PhotoMOS relay.
8. relay protection outlet loop according to claim 1 automatic switching control equipment, it is characterised in that:The control module It is set to single-chip microcomputer.
9. relay protection outlet loop according to claim 1 automatic switching control equipment, it is characterised in that:The switching device In also include power module.
CN201621129925.7U 2016-10-18 2016-10-18 Relay protection outlet loop automatic switching control equipment Active CN206077061U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621129925.7U CN206077061U (en) 2016-10-18 2016-10-18 Relay protection outlet loop automatic switching control equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621129925.7U CN206077061U (en) 2016-10-18 2016-10-18 Relay protection outlet loop automatic switching control equipment

Publications (1)

Publication Number Publication Date
CN206077061U true CN206077061U (en) 2017-04-05

Family

ID=58442728

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621129925.7U Active CN206077061U (en) 2016-10-18 2016-10-18 Relay protection outlet loop automatic switching control equipment

Country Status (1)

Country Link
CN (1) CN206077061U (en)

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