CN205681092U - A kind of mobile substation outlet protection circuit - Google Patents
A kind of mobile substation outlet protection circuit Download PDFInfo
- Publication number
- CN205681092U CN205681092U CN201620631245.9U CN201620631245U CN205681092U CN 205681092 U CN205681092 U CN 205681092U CN 201620631245 U CN201620631245 U CN 201620631245U CN 205681092 U CN205681092 U CN 205681092U
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- pin
- switch
- protection circuit
- normally closed
- mobile substation
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Abstract
A kind of mobile substation outlet protection circuit, including input, inductive switch, grid system integrated protector, auxiliary switch FK1, direct current takes off mouth coil TQ, input, auxiliary switch FK1, direct current takes off mouth coil TQ three series connection and is followed by the first pin ZB10 and the second pin ZB20 of grid system integrated protector, protection circuit also includes relay, relay Z controls one group of normally closed contact Z1, inductive switch includes outside normally closed contact J2, outside normally closed contact J2 is in parallel with input after connecting with relay Z, the two ends of the normally closed contact Z1 of relay Z are connected with the first pin ZB10 and the second pin ZB20 respectively.This technical scheme is that after setting up one group of the outlet normally closed point of tripping operation, transformation on the premise of guarantee does not affect original electric, the defencive function in this mobile substation and explosion insulation performance, the contacts that trip outlet contact (normally opened and normally closed) can be the most optionally suitable for by output two are used for exporting tripping operation by shifting change, greatly facilitates and uses electric unit.
Description
Technical field
This utility model relates to the circuit of mobile substation, particularly relates to a kind of mobile substation outlet protection circuit.
Background technology
Mobile substation is to aim at the remote work surface in down-hole to provide electrical source of power, collection high-low pressure and the one of transformator one
Plant the electric equipment that function admirable is safe and reliable.
In the prior art, as described in Fig. 1-2, mobile substation outlet protection circuit includes input, inductive switch, height
Voltage electric grid general protective circuit, auxiliary switch FK1, direct current take off mouth coil TQ, and input, auxiliary switch FK1, direct current take off mouth coil
TQ three's series connection is followed by the first pin ZB10 and the second pin ZB20 of grid system integrated protector, also includes electric capacity C1
With electric capacity C2, electric capacity C1 is in parallel with input, and it is in parallel that electric capacity C2 takes off mouth coil TQ with direct current.Inductive switch includes normally opened switch
J3, normally opened some switch J3 two ends are connected with the 3rd pin ZB2 and the 4th pin ZB4 of grid system integrated protector；High-tension electricity
Net comprehensive protection device include two-way switch J1, described two-way switch J1 control described first pin ZB10 and the second pin ZB20 it
Between break-make.The break-make of the 3rd pin ZB2 and the 4th pin ZB4 controls two-way switch.Described inductive switch is firedamp sensor
Or wind-powered electricity generation sensor.Wherein input be biphase unidirectional current pass sequentially through urban electric power switch, voltage transformer, rectifier bridge obtain straight
The two ends of stream electricity, voltage transformer rear end respectively with the 7th pin ZB8 and the 6th pin ZB19 of grid system integrated protector
Connecting, one of them exchange end of described rectifier bridge and the 7th pin ZB8 connect, and the 7th pin ZB8 passes sequentially through normal opened contact
ZJ1, motor, latch buttons are connected with the 5th pin ZB9 of grid system integrated protector, another exchange end and the 6th pin
ZB19 connects.
The operation principle of foregoing circuit is: under normal circumstances, and normally opened switch J3 is in open mode, and now auxiliary is opened
Close FK1 be attracting state, two-way switch J1 be electricity condition, cause the 5th pin ZB9 and the 6th pin ZB19 be connection, and
It is off between first pin ZB10 and the second pin ZB20.
When firedamp sensor or wind-powered electricity generation working sensor, normally opened some switch J3 is in connected state, thus controls two-way
Switch J1 is power failure state, and when two-way switch J1 dead electricity, the 5th pin ZB9 and the 6th pin ZB19 is off, and first draws
Connect between foot ZB10 and the second pin ZB20, constitute logical so that input, auxiliary switch FK1, direct current take off mouth coil TQ
Road, after de-mouth coil TQ connects, drives machinery to make phase shifting transformer circuit breaker trip, causes auxiliary switch FK1 to open so that
Input, auxiliary switch FK1, direct current take off the path of mouth coil TQ composition and are again off, thus protect going out of mobile substation
Mouthful.
Producing in the middle of actual, it is desirable to this equipment must have the blocking functions such as wind-powered electricity generation, gas electricity.Existing mobile substation
Protection exit only have a pair normal opened contact J3, it is impossible to the function meeting various low tension switch and carrying out locking, (some switchs needs
Want a pair normally closed point).Therefore a certain model switch can only be selected in preparation transmission line.
Utility model content
Technical problem to be solved of the present utility model is that in the circuit of mobile substation some switchs needs one
To normally closed point.
This utility model solves above-mentioned technical problem by the following technical solutions:
A kind of mobile substation outlet protection circuit, including input, inductive switch, grid system integrated protector, auxiliary
Helping switch FK1, direct current to take off mouth coil TQ, described input, auxiliary switch FK1, direct current take off mouth coil TQ three series connection and are followed by
On the first pin ZB10 and the second pin ZB20 of grid system integrated protector, described protection circuit also includes relay Z, institute
Stating relay Z and control one group of normally closed contact Z1, described inductive switch includes outside normally closed contact J2, described outside normally closed contact J2
After connecting with relay Z in parallel with input, the two ends of one group of normally closed contact Z1 of described relay Z respectively with the first pin
ZB10 and the second pin ZB20 connects.
Described inductive switch also includes normally opened switch J3, described normally opened switch J3 two ends and high-voltage fence integrated protection
3rd pin ZB2 of device and the 4th pin ZB4 connects；
Described grid system integrated protector includes that two-way switch J1, described two-way switch J1 control described first pin
Break-make between ZB10 and the second pin ZB20；
The break-make of described 3rd pin ZB2 and the 4th pin ZB4 controls two-way switch.
Circuit also includes electric capacity C1 and electric capacity C2, and electric capacity C1 is in parallel with input, and described electric capacity C2 and direct current take off mouth coil
TQ is in parallel.
Described input is the two ends of the direct current output of rectifier bridge.
Described inductive switch controls two-way switch.
Described inductive switch is firedamp sensor or wind-powered electricity generation sensor.
One of them exchange end of described rectifier bridge passes sequentially through normal opened contact ZJ1, motor, latch buttons and high-voltage fence
5th pin ZB9 of comprehensive protection device connects, and another exchange end connects with the 6th pin Z19 of grid system integrated protector
Connect.
Described two-way switch controls the 5th pin ZB9 and the 6th pin 19 connects, and meanwhile, the first pin ZB10 and second draws
Foot ZB20 disconnects；
Described two-way switch controls the 5th pin ZB9 and the 6th pin 19 disconnects, and meanwhile, the first pin ZB10 and second draws
Foot ZB20 connects.
Described mobile substation includes nine core binding posts, and the interface of described outside normally closed contact J2 and nine core binding posts is even
Connect.
The utility model has the advantage of: this utility model has a pair normally opened point and a pair normally closed point, will after transformation
Increasing by a pair normally-closed contact of output, for the switch of the most normally closed point protection, thus need not prepare can only in transmission line again
Select a certain model switch.This technical scheme be ensureing not affect that this mobile substation is original electrically, defencive function and
Set up one group of outlet on the premise of explosion insulation performance to trip to move after normally closed point, transformation and become two (normally opened to trip outlet contact for output
With normally closed) contact that can the most optionally be suitable for is used for exporting tripping operation, greatly facilitates and use electric unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model prior art.
Fig. 2 is the structural representation of this utility model prior art grid system integrated protector.
Fig. 3 is the structural representation that this utility model includes normally closed contact.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
As described in Fig. 2-3, mobile substation outlet protection circuit includes that input, inductive switch, high-voltage fence are comprehensively protected
Protection circuit, auxiliary switch FK1, direct current take off mouth coil TQ, after input, auxiliary switch FK1, direct current take off mouth coil TQ three series connection
Being connected on the first pin ZB10 and the second pin ZB20 of grid system integrated protector, protection circuit also includes relay Z, continues
Electrical equipment Z controls one group of normally closed contact Z1, and described inductive switch includes outside normally closed contact J2, described outside normally closed contact J2 and continues
Electrical equipment Z control end Z series connection after in parallel with input, the two ends of described relay Z controlled terminal Z1 respectively with the first pin ZB10 and
Second pin ZB20 connects.Also including electric capacity C1 and electric capacity C2, electric capacity C1 is in parallel with input, and electric capacity C2 and direct current take off mouth coil
TQ is in parallel.Inductive switch includes that normally opened switch J3, normally opened some switch J3 two ends draw with the 3rd of grid system integrated protector
Foot ZB2 and the 4th pin ZB4 connects；Grid system integrated protector includes that two-way switch J1, described two-way switch J1 control institute
State the break-make between the first pin ZB10 and the second pin ZB20.The break-make of the 3rd pin ZB2 and the 4th pin ZB4 controls two-way
Switch.Described inductive switch is firedamp sensor and or wind-powered electricity generation sensor.Wherein input is that biphase unidirectional current passes sequentially through city
The galvanic two ends that electric switch, voltage transformer, rectifier bridge obtain, voltage transformer rear end is comprehensively protected with high-voltage fence respectively
The 7th pin ZB8 and the 6th pin ZB19 that protect device connect, and one of them exchange end of described rectifier bridge and the 7th pin ZB8 are even
Connecing, the 7th pin ZB8 passes sequentially through the 5th pin of normal opened contact ZJ1, motor, latch buttons and grid system integrated protector
ZB9 connects, and another exchange end and the 6th pin ZB19 connect.
The operation principle of foregoing circuit is:
When external sensor needs normal opened contact, working method is: normally opened switch J3 is in open mode, the most auxiliary
Help switch FK1 be attracting state, two-way switch J1 be electricity condition, cause the 5th pin ZB9 and the 6th pin ZB19 be connection
, and be off between the first pin ZB10 and the second pin ZB20.Relay Z obtains electric, and the normally closed contact Z1 of relay Z beats
Open.
When firedamp sensor or wind-powered electricity generation working sensor, normally opened some switch J3 is in connected state, thus controls two-way
Switch J1 is power failure state, and when two-way switch J1 dead electricity, the 5th pin ZB9 and the 6th pin ZB19 is off, and first draws
Connect between foot ZB10 and the second pin ZB20, constitute logical so that input, auxiliary switch FK1, direct current take off mouth coil TQ
Road, after de-mouth coil TQ connects, drives machinery to make phase shifting transformer circuit breaker trip, causes auxiliary switch FK1 to open so that
Input, auxiliary switch FK1, direct current take off the path of mouth coil TQ composition and are again off, thus protect going out of mobile substation
Mouthful.
When external sensor needs normally closed contact, working method is: outside normally closed contact J2 is in closure state, now
Auxiliary switch FK1 is attracting state, and relay Z obtains electric, and the normally closed contact Z1 of relay Z opens.
When firedamp sensor or wind-powered electricity generation working sensor, outside normally closed contact J2 is off, and relay Z loses
Electricity, the normally closed contact Z1 Guan Bi of relay Z, so that input, auxiliary switch FK1, direct current take off mouth coil TQ constitutes path,
After de-mouth coil TQ connects, drive machinery to make phase shifting transformer circuit breaker trip, cause auxiliary switch FK1 to open so that defeated
Enter end, auxiliary switch FK1, direct current take off the path that mouth coil TQ constitutes and are again off, thus protect the outlet of mobile substation.
The foregoing is only the preferred embodiment that this utility model is created, not in order to limit this utility model wound
Make, any amendment, equivalent and the improvement etc. made within all spirit in this utility model creation and principle, all should comprise
Within the protection domain that this utility model is created.
Claims (9)
1. a mobile substation outlet protection circuit, including input, inductive switch, grid system integrated protector, auxiliary
Switch FK1, direct current take off mouth coil TQ, and described input, auxiliary switch FK1, direct current take off mouth coil TQ three series connection and be followed by height
On the first pin ZB10 and the second pin ZB20 of voltage electric grid comprehensive protection device, it is characterised in that described protection circuit also includes
Relay Z, described relay Z control one group of normally closed contact Z1, and described inductive switch includes outside normally closed contact J2, described outside
Normally closed contact J2 is in parallel with input after connecting with relay Z, the two ends of one group of normally closed contact Z1 of described relay Z respectively with
First pin ZB10 and the second pin ZB20 connects.
A kind of mobile substation outlet protection circuit the most according to claim 1, it is characterised in that described inductive switch is also
Including normally opened switch J3, described normally opened switch J3 two ends and the 3rd pin ZB2 and the 4th of grid system integrated protector
Pin ZB4 connects；
Described grid system integrated protector include two-way switch J1, described two-way switch J1 control described first pin ZB10 and
Break-make between second pin ZB20；
The break-make of described 3rd pin ZB2 and the 4th pin ZB4 controls two-way switch.
A kind of mobile substation outlet protection circuit the most according to claim 1, it is characterised in that also include electric capacity C1 and
Electric capacity C2, electric capacity C1 is in parallel with input, and it is in parallel that described electric capacity C2 takes off mouth coil TQ with direct current.
A kind of mobile substation outlet protection circuit the most according to claim 2, it is characterised in that described input is whole
The two ends of the direct current output of stream bridge.
A kind of mobile substation outlet protection circuit the most according to claim 1, it is characterised in that described inductive switch control
Two-way switch processed.
A kind of mobile substation outlet protection circuit the most according to claim 1, it is characterised in that described inductive switch is
Firedamp sensor or wind-powered electricity generation sensor.
A kind of mobile substation outlet protection circuit the most according to claim 4, it is characterised in that its of described rectifier bridge
In exchange end pass sequentially through the 5th pin of normal opened contact ZJ1, motor, latch buttons and grid system integrated protector
ZB9 connects, and another exchange end is connected with the 6th pin Z19 of grid system integrated protector.
A kind of mobile substation outlet protection circuit the most according to claim 7, it is characterised in that described two-way switch control
Making the 5th pin ZB9 and the 6th pin 19 connects, meanwhile, the first pin ZB10 and the second pin ZB20 disconnects；
Described two-way switch controls the 5th pin ZB9 and the 6th pin 19 disconnects, meanwhile, and the first pin ZB10 and the second pin
ZB20 connects.
A kind of mobile substation outlet protection circuit the most according to claim 1, it is characterised in that described mobile substation
Including nine core binding posts, the interface of described outside normally closed contact J2 and nine core binding posts connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631245.9U CN205681092U (en) | 2016-06-21 | 2016-06-21 | A kind of mobile substation outlet protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631245.9U CN205681092U (en) | 2016-06-21 | 2016-06-21 | A kind of mobile substation outlet protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205681092U true CN205681092U (en) | 2016-11-09 |
Family
ID=57429072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620631245.9U Withdrawn - After Issue CN205681092U (en) | 2016-06-21 | 2016-06-21 | A kind of mobile substation outlet protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205681092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099834A (en) * | 2016-06-21 | 2016-11-09 | 淮南矿业(集团)有限责任公司 | A kind of mobile substation outlet protection circuit |
-
2016
- 2016-06-21 CN CN201620631245.9U patent/CN205681092U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099834A (en) * | 2016-06-21 | 2016-11-09 | 淮南矿业(集团)有限责任公司 | A kind of mobile substation outlet protection circuit |
| CN106099834B (en) * | 2016-06-21 | 2018-12-25 | 淮南矿业(集团)有限责任公司 | A kind of mobile substation outlet protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161109 Effective date of abandoning: 20181225 |