CN104600667A - Multifunctional protection and measurement integrated device - Google Patents
Multifunctional protection and measurement integrated device Download PDFInfo
- Publication number
- CN104600667A CN104600667A CN201510042737.4A CN201510042737A CN104600667A CN 104600667 A CN104600667 A CN 104600667A CN 201510042737 A CN201510042737 A CN 201510042737A CN 104600667 A CN104600667 A CN 104600667A
- Authority
- CN
- China
- Prior art keywords
- protection
- module
- unit
- integrated device
- metering
- 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.)
- Pending
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a multifunctional protection and measurement integrated device. The multifunctional protection and measurement integrated device comprises an MCU(Micro Controller Unit) module, a protection module and a measurement module which serve as signal input ends and are connected with the MCU module and a protection execution module which serves as a signal output end and is connected with the MCU module; the protection module comprises a line protection unit, a transformer protection unit and a spare power automatic switching protection unit; the metering module comprises an input current loop and a high-accuracy current sampling loop which is used for achieving integration of protection and measurement of a microprocessor, and meanwhile line protection, transformer protection and spare power automatic switching protection are integrated into a whole.
Description
Technical field
The present invention relates to a kind of microcomputer protecting device.
Background technology
At present, the power distribution protective device of below 35KV on the market, be all based on simple function substantially, namely single model can only realize certain distribution defencive function environmentally, and major part cannot realize protection and metering integrated simultaneously.
Meanwhile, current power distribution automation is more and more higher to integration level necessitates, also gets more and more to the monitoring of distribution links simultaneously, better to analyze the fault point of distribution link.
Various reasons makes client when purchasing, and needs to place an order according to the quantity of each model of reality, causes often occurring mistaking, causing the phenomenons such as goods return and replacement, brings the delay of time of delivery and the cost of goods return and replacement to client.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art; the invention provides a kind of microcomputer protecting device; it, except the conventional microcomputer protecting device function of tool, also has the information function of measuring of integration, and can realize the multi-protective functions such as route protection, tranformer protection and prepared auto restart protection simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of multi-functional protection metering integrated device; comprise MCU module; what be connected with described MCU module as signal input part comprises protection module and metering module; what be connected with described MCU module as signal output part comprises protection Executive Module; wherein said protection module comprises route protection unit, tranformer protection unit and prepared auto restart protected location, the high-precision current sampling circuit that described metering module comprises input current loop and establishes for realizing protecting metering integrated.
As the improvement of technique scheme, described current sampling circuit is specially that 3 drive test accuracies of measurement are high and measuring range is the current sampling circuit of 0.01A ~ 6A.
As the improvement of technique scheme, described tranformer protection unit comprises high temperature protection unit, overtemperature prote unit, grave gas protected location, light gas protecting unit and enabling protected location.
As the improvement of technique scheme, described prepared auto restart protected location comprise locking prepared auto restart unit, bus connection switch state cell, another on off state unit and another have pressure signal element.
As the improvement of technique scheme, what be connected with described MCU module two-way communication comprises communication module, and it comprises LCDs, memory, clock, key-press input scanning, 485 communication interfaces and ethernet interface.
As the improvement of technique scheme, described ethernet interface comprises DM9000 ethernet controller chip and auxiliary circuit.
As the improvement of technique scheme, described prepared auto restart protected location working method comprises mother prepared auto restart mode and circuit backup power automatic switching mode.
The beneficial effect that the present invention brings has:
The present invention is directed to metering module to make improvements; pass through can measure the various parameters of electric power of the ammeter satisfied the demands after increased high-precision current sampling circuit measures current/voltage; thus realize the protection metering integrated of microcomputer protecting device; present invention achieves route protection, tranformer protection, prepared auto restart protects three kinds of protections to be integrated simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the invention will be further described,
Accompanying drawing 1 is apparatus structure schematic diagram of the present invention;
Accompanying drawing 2 is tranformer protection schematic flow sheets of the present invention;
Accompanying drawing 3 is one of prepared auto restart of the present invention protection wiring schematic diagrams;
Accompanying drawing 4 is prepared auto restart of the present invention protection wiring schematic diagrams two.
Embodiment
With reference to accompanying drawing 1; the present invention is a kind of multi-functional protection metering integrated device; comprise the MCU module 1 as control core, protection module and metering module are connected with MCU module 1 as signal input part, protect Executive Module 4 to be connected with MCU module 1 as signal output part simultaneously.
In the present invention, the high-precision current sampling circuit 32 that above-mentioned metering module comprises input current loop 31 and establishes for realizing protecting metering integrated.Usually, protective current input current loop 31 measuring range wider (0.1A ~ 100A) of microcomputer protecting device, the CT of primary side protection simultaneously precision is low, and is not suitable for metering.In order to the required precision of satisfied metering, increase by 3 drive test accuracies of measurement herein high, measuring range is that the current sampling circuit 32 of 0.01A ~ 6A solves problem.After measuring electric current and voltage by high-precision current sampling circuit 32, the various parameters of electric power of the ammeter meeting metering requirements can be drawn by software algorithm, realize protection metering integrated function.
Meanwhile, above-mentioned protection module comprises route protection unit 21, tranformer protection unit 22 and prepared auto restart protected location 23.Usually; microcomputer protecting device only can realize a certain distinctive defencive function; as modal route protection function, can be realized a distant place on the spot by route protection unit 21, on off state, the position of the switch, energy storage state, the protection of cutter position, external interface etc.And the present invention in addition, also possess tranformer protection and prepared auto restart defencive function.Wherein, tranformer protection unit 22 can be divided into again high temperature protection unit, overtemperature prote unit, grave gas protected location, light gas protecting unit and enabling protected location; prepared auto restart protected location 23 can be divided into locking prepared auto restart unit, bus connection switch state cell, another on off state unit and another have pressure signal element; by concrete functional unit; all can realize the protected effect of its correspondence, this device can be existed simultaneously and play a role by three kinds of defencive functions.
In addition, what the present invention was connected with MCU module 1 two-way communication comprises communication module 5, and it comprises LCDs, memory, clock, key-press input scanning, 485 communication interfaces and ethernet interface etc.Wherein ethernet interface comprises DM9000 ethernet controller chip and relevant auxiliary circuit, makes apparatus of the present invention possess ethernet communication function.
Specific in practical application, accompanying drawing 2 is tranformer protection schematic flow sheet of the present invention, can form a strong protective barrier in conjunction with three large protection modules.Accompanying drawing 3 and accompanying drawing 4 are prepared auto restart of the present invention protection wiring schematic diagram, and in the present invention, prepared auto restart protected location 23 working method comprises mother prepared auto restart mode and circuit backup power automatic switching mode, and mode of connections corresponding different respectively.When adopting the mother sectional power supply mode shown in accompanying drawing 3, block switch disconnects, and two working powers are powered respectively, simultaneously for subsequent use each other, is now mother prepared auto restart working method; When adopting the two inlet wires shown in accompanying drawing 4 to single busbar connection supply power mode, 1# inlet wire (left incoming line) works, and 2# inlet wire (right incoming line), then as subsequent use, is now circuit backup power automatic switching working method.For mother prepared auto restart mode wherein, when PT is loaded on bus bar side, device of the present invention also can realize the function of alternate power autocast, when PT is loaded on inlet wire side, this device, except having the function of above-mentioned alternate power autocast, also has working power auto restore facility.
It should be noted that, the above is preferred embodiment of the present invention, and the present invention is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (7)
1. a multi-functional protection metering integrated device, it is characterized in that: comprise MCU module (1), what be connected with described MCU module (1) as signal input part comprises protection module and metering module, comprising of being connected with described MCU module (1) Executive Module (4) is protected as signal output part, wherein said protection module comprises route protection unit (21), tranformer protection unit (22) and prepared auto restart protected location (23), the high-precision current sampling circuit (32) that described metering module comprises input current loop (31) and establishes for realizing protecting metering integrated.
2. one according to claim 1 multi-functional protection metering integrated device, is characterized in that: described current sampling circuit (32) is specially the current sampling circuit (32) that the high and measuring range of 3 drive test accuracies of measurement is 0.01A ~ 6A.
3. one according to claim 1 multi-functional protection metering integrated device, is characterized in that: described tranformer protection unit (22) comprises high temperature protection unit, overtemperature prote unit, grave gas protected location, light gas protecting unit and enabling protected location.
4. one according to claim 1 multi-functional protection metering integrated device, is characterized in that: described prepared auto restart protected location (23) comprise locking prepared auto restart unit, bus connection switch state cell, another on off state unit and another have pressure signal element.
5. one according to claim 1 multi-functional protection metering integrated device; it is characterized in that: what be connected with described MCU module (1) two-way communication comprises communication module (5), it comprises LCDs, memory, clock, key-press input scanning, 485 communication interfaces and ethernet interface.
6. one according to claim 5 multi-functional protection metering integrated device, is characterized in that: described ethernet interface comprises DM9000 ethernet controller chip and auxiliary circuit.
7. one according to claim 1 multi-functional protection metering integrated device, is characterized in that: described prepared auto restart protected location (23) working method comprises mother prepared auto restart mode and circuit backup power automatic switching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042737.4A CN104600667A (en) | 2015-01-28 | 2015-01-28 | Multifunctional protection and measurement integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042737.4A CN104600667A (en) | 2015-01-28 | 2015-01-28 | Multifunctional protection and measurement integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104600667A true CN104600667A (en) | 2015-05-06 |
Family
ID=53126277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042737.4A Pending CN104600667A (en) | 2015-01-28 | 2015-01-28 | Multifunctional protection and measurement integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104600667A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910855A (en) * | 2017-11-23 | 2018-04-13 | 国网山东省电力公司烟台供电公司 | A kind of connection applied to intelligent substation cuts small power supply device and connection blanking method |
| CN109933428A (en) * | 2019-02-22 | 2019-06-25 | 南京电研电力自动化股份有限公司 | The whole station relaying configuration device and method of centralization based on multi-core CPU |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667525U (en) * | 2009-03-19 | 2010-12-08 | 上海浦元自动化科技有限公司 | Intelligent relay protective unit with wireless networking function |
| CN202817728U (en) * | 2011-12-20 | 2013-03-20 | 陕西银河网电科技有限公司 | Multifunctional switch cabinet intelligent protection measurement and control apparatus |
| CN103178501A (en) * | 2011-12-20 | 2013-06-26 | 陕西银河网电科技有限公司 | Multifunctional intelligent protection measurement and control system for switch cabinet |
-
2015
- 2015-01-28 CN CN201510042737.4A patent/CN104600667A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667525U (en) * | 2009-03-19 | 2010-12-08 | 上海浦元自动化科技有限公司 | Intelligent relay protective unit with wireless networking function |
| CN202817728U (en) * | 2011-12-20 | 2013-03-20 | 陕西银河网电科技有限公司 | Multifunctional switch cabinet intelligent protection measurement and control apparatus |
| CN103178501A (en) * | 2011-12-20 | 2013-06-26 | 陕西银河网电科技有限公司 | Multifunctional intelligent protection measurement and control system for switch cabinet |
Non-Patent Citations (2)
| Title |
|---|
| HTTP://WENKU.BAIDU.COM: ""珠海欧力微机保护装置CSP2000-B"", 《百度文库》 * |
| 欧阳军: ""变电站微机综合自动化保护***的设计与实现"", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910855A (en) * | 2017-11-23 | 2018-04-13 | 国网山东省电力公司烟台供电公司 | A kind of connection applied to intelligent substation cuts small power supply device and connection blanking method |
| CN109933428A (en) * | 2019-02-22 | 2019-06-25 | 南京电研电力自动化股份有限公司 | The whole station relaying configuration device and method of centralization based on multi-core CPU |
| CN109933428B (en) * | 2019-02-22 | 2023-07-18 | 南京电研电力自动化股份有限公司 | Centralized whole station protection configuration device and method based on multi-core CPU |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102280864A (en) | Post-failure live treatment method for protection device of distribution network system and portable protection device | |
| CN102447298A (en) | Mobile intelligent direct current power supply device | |
| CN104600667A (en) | Multifunctional protection and measurement integrated device | |
| CN205229404U (en) | AMP integrated circuit board is used in wafer test | |
| CN204681157U (en) | A kind of intelligent double-power control system | |
| CN202206125U (en) | Portable protection device for electrification process after distribution system protection device failure | |
| CN204330898U (en) | A kind of bypass mobile box substation emergency repair vehicle low pressure kernel phase system | |
| CN202183058U (en) | Multifunctional automobile voltage regulator capable of realizing two functions by single external module | |
| CN103916070A (en) | Three-phase asynchronous motor minimum input power energy saving device and application method thereof | |
| CN103227630B (en) | A kind of hot-plug method and circuit being applicable to large operating current | |
| CN204408027U (en) | A kind of Intelligent power distribution system | |
| CN202488200U (en) | Mobile intelligent DC power supply device | |
| CN201044348Y (en) | Microcomputer type synthetic protection monitoring apparatus | |
| CN205141621U (en) | Protective circuit | |
| CN205265247U (en) | Low pressure distribution lines protection device based on cooperation of many singlechips | |
| CN220855624U (en) | Input combining module, server power supply and server | |
| CN212965198U (en) | Calibration device for relay protection device | |
| CN205139685U (en) | Components of a whole that can function independently module formula drive controller based on silicon controlled rectifier | |
| CN204391905U (en) | A kind of power electronics automation control system | |
| CN204422700U (en) | A kind of proving installation for Large Copacity IGBT power cell | |
| CN203705535U (en) | Transformer station metering device voltage circuit alarm | |
| CN215494671U (en) | Quick terminal board adapted to supertribute PLC digital output module | |
| CN204304617U (en) | Power monitoring circuit protective device | |
| CN219145004U (en) | Online protection device of power transformer | |
| CN202384746U (en) | Overload protecting device of portable generator set with small power section |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150506 |