CN206685875U - A kind of portable emergency protection device - Google Patents
A kind of portable emergency protection device Download PDFInfo
- Publication number
- CN206685875U CN206685875U CN201720378068.2U CN201720378068U CN206685875U CN 206685875 U CN206685875 U CN 206685875U CN 201720378068 U CN201720378068 U CN 201720378068U CN 206685875 U CN206685875 U CN 206685875U
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- Prior art keywords
- microcomputer
- emergency
- protection device
- protecting
- electric wire
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- 230000005611 electricity Effects 0.000 claims description 9
- 230000005856 abnormality Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
It the utility model is related to a kind of portable emergency protection device; including microcomputer protecting device; breaker, current transformer, voltage transformer and the microcomputer control device being connected respectively with microcomputer protecting device by electric wire; card has the clamp on amperemeter for reading current signal on electric wire between the current transformer and microcomputer protecting device; the clamp on amperemeter connects emergency protecting equipment, and the emergency protecting equipment connects through electric wire difference connected with computer protection device, breaker, voltage transformer, microcomputer control device by electric wire respectively.The utility model realizes the portability of emergency protecting equipment, improves power supply reliability.
Description
Technical field
It the utility model is related to Protector for electric appliances technical field, and in particular to a kind of portable emergency protection device.
Background technology
Existing below 220kV microcomputer protecting devices all use single Analysis of Nested Design scheme.When the Microcomputer Protection as secondary device
When exception or failure occur for device, it is protected and the primary equipment of control generally requires involvement and is forced to have a power failure, and directly results in power supply
The reduction of reliability.
Utility model content
To solve the above problems, the utility model is considered in the case where not increasing a set of microcomputer protecting device additionally, make
The microcomputer protecting device to go wrong is substituted with a kind of portable emergency protection device, ensures the microcomputer protecting device run originally
During troubleshooting, protected primary equipment, which does not lose protection, need not be forced to have a power failure, and improve power supply reliability.
The technical solution of the utility model：
A kind of portable emergency protection device, including microcomputer protecting device, by electric wire respectively with microcomputer protecting device phase
Breaker, current transformer, voltage transformer and microcomputer control device even, the current transformer and microcomputer protecting device it
Between electric wire on card have a clamp on amperemeter for reading current signal, the clamp on amperemeter connects emergency protecting equipment, it is described should
Anxious protection device connects through electric wire difference connected with computer protection device, breaker, voltage transformer, microcomputer by electric wire respectively
Measure and control device.
Further, the emergency protecting equipment includes CPU card, and the CPU card connects AD plug-in units respectively, outlet is inserted
Part and signal plug-in unit, the AD plug-in units connection clamp on amperemeter and the pressure-wire for accessing terminal block.
Further, described outlet plug-in unit includes control positive electricity, tripping operation line, closing line and relay；The signal is inserted
Part includes remote signals and signal positive electricity.
The beneficial effects of the utility model：
The utility model portable emergency protection device key technology is to employ clamp on amperemeter collection current signal, is protected
Electric current in the case that current transformer is not opened a way is demonstrate,proved and has been directly accessed device, simultaneously as greatly being reduced using clamp on amperemeter
As the volume and weight of the AD plug-in units of ac signal acquisition part, the portability of emergency protecting equipment is realized, improves and supplies
Electric reliability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of emergency protecting equipment.
In accompanying drawing, 1- microcomputer protecting devices, 2- breakers, 3- current transformers, 4- voltage transformers, 5- microcomputer measuring and controllings dress
Put, 6- clamps on amperemeter, 7- emergency protecting equipments, 7-1-CPU plug-in units, 7-2-AD plug-in units, 7-3- outlet plug-in unit, 7-4- signals are inserted
Part, 7-3-1- control positive electricity, 7-3-2- tripping operation line, 7-3-3- closing lines, 7-3-4- relays, 7-4-1- include remote signals,
7-4-2- signal positive electricity.
Embodiment
As depicted in figs. 1 and 2, a kind of portable emergency protection device, including microcomputer protecting device 1, are distinguished by electric wire
Breaker 2, current transformer 3, voltage transformer 4 and the microcomputer control device 5 being connected with microcomputer protecting device 1, the electric current
Card has the clamp on amperemeter 6 for reading current signal, the pincerlike electric current on electric wire between transformer 3 and microcomputer protecting device 1
Table 6 connects emergency protecting equipment 7, the emergency protecting equipment 7 by electric wire distinguish connected with computer protection device 1, breaker 2,
Voltage transformer 4, microcomputer control device 5.
Further, the emergency protecting equipment 7 connects AD plug-in units respectively including CPU card 7-1, the CPU card 7-1
The voltage of 7-2, outlet plug-in unit 7-3 and signal plug-in unit 7-4, the AD plug-in units 7-2 connections clamp on amperemeter 6 and access terminal block
Line.
Further, described outlet plug-in unit 7-3 include control positive electricity 7-3-1, tripping operation line 7-3-2, closing line 7-3-3 and
Relay 7-3-4；The signal plug-in unit 7-4 includes remote signals 7-4-1 and signal positive electricity 7-4-2.
Microcomputer protecting device 1 mainly obtains the current signal of primary equipment operation by current transformer 3, mutual by voltage
Sensor 4 obtains the voltage signal of operational outfit.Then calculated by the CPU card 7-1 of itself, driving outlet plug-in unit 7-3
Control breaker open operation or combined floodgate, drive signal plug-in unit 7-4 send various signals.
The operation characteristic of current transformer 3 can not be opened a way in running, and the operation characteristic of voltage transformer 4 is
Can not occur short circuit in running.A kind of portable emergency protection device of the utility model, is considered as clamp on amperemeter 6 and exists
Not changing the existing secondary circuit of current transformer 3 does not make it former electric by the way that clamp on amperemeter 6 is directly clamped among on the basis of opening a way
Current signal is read on the secondary line of current transformer 3 and is supplied to emergency protecting equipment 7.And for voltage signal, can directly it pass through
Secondary line draws access emergency set 7 in the terminal block of existing protection device.
The emergency protecting equipment 7 also is provided with protecting CPU card 7-1, is connect by analyzing and processing clamp on amperemeter 6 and secondary line
The AC signal entered carries out logic function judgement.It is also configured with adaptive outlet plug-in unit 7-3, when the event of microcomputer protecting device 1
When barrier needs to exit, by the power line of control loop, tripping operation line, closing line are directly accessed the emergency protecting equipment 7.Control loop
Access realized also by terminal block.Simultaneously the portable emergency protection device also have circuit breaker closing lock signal access loop and
Emergency protecting equipment outputs signal circuit.Wherein signal outputs loop and accesses former comprehensive automation system of transformer substation.Circuit breaker closing
Lock signal access loop is primarily referred to as when the breaker of protection device control is in abnormality（Mainly SF6 gas pressures
Reduction or spring unstored energy state）, breaker quiescing, now breaker send block signal to protection device, forbid
Protection device operates the breaker.Emergency protecting equipment is outputed signal circuit access comprehensive automation system of transformer substation and is primarily referred to as
Emergency protecting equipment integrates the signal of self-operating state certainly by the transformer station that is sent in form of hard contact or soft message
Dynamicization system, it is the running status that a distant place can monitor the protection device.The signal for reacting protection device running status is main
Have, the signal such as operation exception, device dead electricity, device locking, protection act.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (3)
1. a kind of portable emergency protection device, including microcomputer protecting device（1）, by electric wire respectively with microcomputer protecting device
（1）Connected breaker（2）, current transformer（3）, voltage transformer（4）And microcomputer control device（5）, it is characterised in that institute
State current transformer（3）With microcomputer protecting device（1）Between electric wire on card have read current signal clamp on amperemeter（6）,
The clamp on amperemeter（6）Connect emergency protecting equipment（7）, the emergency protecting equipment（7）Connected with computer is distinguished by electric wire
Protection device（1）, breaker（2）, voltage transformer（4）, microcomputer control device（5）.
A kind of 2. portable emergency protection device according to claim 1, it is characterised in that the emergency protecting equipment
（7）Including CPU card（7-1）, the CPU card（7-1）AD plug-in units are connected respectively（7-2）, outlet plug-in unit（7-3）Inserted with signal
Part（7-4）, the AD plug-in units（7-2）Connect clamp on amperemeter（6）With the pressure-wire of access terminal block.
A kind of 3. portable emergency protection device according to claim 2, it is characterised in that described outlet plug-in unit（7-
3）Including controlling positive electricity（7-3-1）, tripping operation line（7-3-2）, closing line（7-3-3）And relay（7-3-4）；The signal plug-in unit
（7-4）Including remote signals（7-4-1）With signal positive electricity（7-4-2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720378068.2U CN206685875U (en) | 2017-04-12 | 2017-04-12 | A kind of portable emergency protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720378068.2U CN206685875U (en) | 2017-04-12 | 2017-04-12 | A kind of portable emergency protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685875U true CN206685875U (en) | 2017-11-28 |
Family
ID=60399622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720378068.2U Active CN206685875U (en) | 2017-04-12 | 2017-04-12 | A kind of portable emergency protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206685875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848995A (en) * | 2017-04-12 | 2017-06-13 | 国家电网公司 | A kind of portable emergency protection device |
-
2017
- 2017-04-12 CN CN201720378068.2U patent/CN206685875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848995A (en) * | 2017-04-12 | 2017-06-13 | 国家电网公司 | A kind of portable emergency protection device |
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