CN206077061U - Relay protection outlet loop automatic switching control equipment - Google Patents
Relay protection outlet loop automatic switching control equipment Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- protective relaying
- loop
- relaying device
- relay
- control
- 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.)
- Active
Links
- 230000004224 protection Effects 0.000 title claims abstract description 88
- 230000001681 protective effect Effects 0.000 claims abstract description 81
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000012549 training Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
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
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.
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) |
-
2016
- 2016-10-18 CN CN201621129925.7U patent/CN206077061U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103488159B (en) | A kind of distribution box type smart home terminal and integrated protection controller | |
CN102974061B (en) | Modularized ship fire-fighting control system | |
CN108270092A (en) | A kind of subway contact net visualizes earthed system | |
CN203479951U (en) | Channel switching testing device | |
CN204065311U (en) | The aobvious device of switch behaviour of monitoring switch control loop template | |
CN104283313B (en) | A kind of far-end for launching control equipment exchange power distribution control circuit and control method thereof | |
CN206077061U (en) | Relay protection outlet loop automatic switching control equipment | |
CN205304405U (en) | Intelligent remote control panel of power distribution terminal equipment | |
CN201663360U (en) | Switch cabinet intelligent measurement and control instrument | |
CN202550688U (en) | Feeder automation (FA) function test simulation simulator under condition of being power-outage-free | |
CN106211493A (en) | A kind of lighting control module | |
CN106451745A (en) | Relay protection outlet loop automatic switching system | |
CN207036969U (en) | A kind of prepared auto restart action logic test accessory | |
CN104251530B (en) | A kind of air-conditioning communication bus distribution protection device and method | |
CN205983758U (en) | Ground wire suggestion device | |
CN205983968U (en) | Analog circuit of this mimic -disconnecting switch screen is shielded and is used for to many functional simulation circuit breaker | |
CN107329007A (en) | A kind of universal secondary nuclear phase instrument for transformer station | |
CN104505823B (en) | Stop repair method electric power wink and stop in wink to select reclosing circuit | |
CN105977858A (en) | Intelligent and safe distribution box | |
CN204037592U (en) | Track switch control box is used in a kind of switch machine debugging | |
CN104020713B (en) | The output of a kind of quickly distribution and input module | |
CN109743829A (en) | A kind of cabinet rear side switch lighting system | |
CN207557431U (en) | Fuse switch melting fault monitoring device | |
CN204304612U (en) | A kind of intelligent substation power distribution control system | |
CN206358023U (en) | A kind of subway visualizes automatic grounding system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |