CN202145565U - Modular system structure used in distribution network terminal - Google Patents
Modular system structure used in distribution network terminal Download PDFInfo
- Publication number
- CN202145565U CN202145565U CN201120273355U CN201120273355U CN202145565U CN 202145565 U CN202145565 U CN 202145565U CN 201120273355 U CN201120273355 U CN 201120273355U CN 201120273355 U CN201120273355 U CN 201120273355U CN 202145565 U CN202145565 U CN 202145565U
- Authority
- CN
- China
- Prior art keywords
- distribution network
- network terminal
- unit
- plug
- modular system
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a modular system structure used in a distribution network terminal, comprising a power module, a central processor module and at least a distribution network terminal submodule; the power module is respectively electrically connected with the central processor module and the distribution network terminal submodule through a power bus; the central processor module is connected with at least one distribution network terminal submodule through a communication bus; each distribution network terminal submodule is composed of an AC input plug-in, a unit processor plug-in and a switch volume output plug-in; the AC input plug-in and the switch volume output plug-in are respectively connected with the unit processor plug-in; the AC input plug-in, the unit processor plug-in and the switch volume output plug-in are respectively connected with the power module through the power bus; and the unit processor plug-in is connected with the central processor module through the communication bus. The modular system structure used in a distribution network terminal adopts the modular design to increase reliability, generality and flexibility of the system, and greatly reduces research and development cost.
Description
Technical field
The utility model relates to the distribution network technical field, is specifically related to a kind of modular system architecture that automatically is used for distribution network terminal.
Background technology
In the distribution network terminal product, current exemplary systems structure has two kinds of structures: a kind of is monolithic construction, and promptly a covering device can be accomplished the protection of many circuits, and all calculation process all concentrate on the protection logic and accomplish (as shown in Figure 1) in the primary module; Another kind is the single line list apparatus structure of simple type, and promptly a covering device is only realized the protection of a circuit.Yet this dual mode all comes with some shortcomings.
1), each plug-in unit can not work alone the shortcoming that monolithic construction exists:, all data operations and processing concentrate on a primary module.When primary module breaks down, then all defencive functions at this terminal all lost efficacy, and promptly possibly cause the tripping or the malfunction of circuit; 2) though the protection of many circuits can be realized in the terminal of this system configuration; Demand for difference in functionality can be equipped with different plug-in units; But primary module can not be accomplished unified; At least can not be unique on the software, user's distribution network systems maybe be varied, and producer must be to every kind of specific a terminal of situation design; 3), when protection circuit more for a long time, the live load of central processing unit can be quite big, is difficult to carry out function expansion again; 4) thus the consequence that produces of this system configuration then be the maintenance that is difficult to carry out product, also can cause many difficulties for user's use.
The shortcoming that the single line list apparatus structure of simple type exists:, then can not adapt to for the situation of many circuits of distribution though that the protection of a circuit appears to is exquisite simple.Protect 8 circuits if desired, need splice 8 table apparatus so, certainly will cause user's cost significantly to rise.In the practice of actual distribution network terminal, the installing space of equipment is extremely limited.If many circuits are equipped with many station terminals, can cause the significant wastage of installing space, when many circuits of reply, be infeasible fully.
For solving above-mentioned deficiency of the prior art, the utility model provides a kind of new solution.
Summary of the invention
The technical problem that the utility model will solve is: the deficiency that is directed to prior art; A kind of modular system architecture that is used for distribution network terminal is provided; This modular system architecture that is used for distribution network terminal adopts modularized design to improve system reliability, versatility and flexibility, greatly reduces R&D costs.
For reaching the foregoing invention purpose, the technical scheme that the utility model adopted is: a kind of modular system architecture that is used for distribution network terminal is provided, it is characterized in that: comprise power module, CPU module and at least one distribution network terminal submodule; Said power module is electrically connected with CPU module and at least one distribution network terminal submodule respectively through power bus; Said CPU module is connected with at least one distribution network terminal submodule respectively through communication bus; Each said distribution network terminal submodule is all formed by exchanging input plug-in unit, Cell processor plug-in unit and switching value output inserter; Said interchange input plug-in unit is connected with the Cell processor plug-in unit respectively with the switching value output inserter; Interchange input plug-in unit, Cell processor plug-in unit are connected with power module through power bus respectively with the switching value output inserter, and the Cell processor plug-in unit is connected with CPU module through communication bus.
According to the modular system architecture that is used for distribution network terminal that the utility model provided; It is characterized in that: said power module input is connected with the external direct current power supply of 48V; Output is divided into two-way, and one the tunnel is direct current 5V output, and another road is direct current 24V output.
The modular system architecture that is used for distribution network terminal according to the utility model provided is characterized in that: said CPU module comprises CPLD, internal memory, ether communication controller, microprocessor, communication controler, real-time clock unit and electric erazable programmable memory block; Said internal memory, real-time clock unit and electric erazable programmable memory block are connected with microprocessor respectively; Microprocessor is connected with human-computer interaction device through CPLD; Microprocessor is connected with the remote scheduling end through the ether communication controller, and microprocessor is connected with each distribution network terminal submodule through communication controller.
The modular system architecture that is used for distribution network terminal according to the utility model provided is characterized in that: said human-computer interaction device comprises keyboard, LCD, indicator light and/or buzzer.
The modular system architecture that is used for distribution network terminal according to the utility model provided is characterized in that: said interchange input plug-in unit is made up of current transformer and/or voltage transformer.
The modular system architecture that is used for distribution network terminal according to the utility model provided is characterized in that: said Cell processor plug-in unit comprises that second-order low-pass filter, analog to digital converter, digital signal processor, microprocessor, communication controller, internal memory, CPLD, remote signalling open incoming interface circuit, real-time clock and electric erazable programmable memory block; Said digital signal processor, internal memory, CPLD, real-time clock and electric erazable programmable memory block are connected with microprocessor respectively, and microprocessor is connected with CPU module through communication controller; Said second-order low-pass filter, analog to digital converter and digital signal processor are serially connected successively, the input of second-order low-pass filter with exchange the input plug-in unit be connected; The input that the incoming interface circuit is opened in said remote signalling inserts outside remote signalling amount, and output is connected with CPLD; Said CPLD output is connected with the switching value output inserter.
The modular system architecture that is used for distribution network terminal according to the utility model provided is characterized in that: said switching value output inserter is made up of photoelectrical coupler and relay; The signal input part of said photoelectrical coupler is connected with the Cell processor plug-in unit, and output is connected with the input of relay; The output of said relay is connected with the external circuit.
In sum; This practical modular system architecture that is used for distribution network terminal that provides has following characteristics: 1, modularized design, independence are strong: each distribution network terminal submodule is accomplished functions peculiar task; Be independent of each other; Certain distribution network terminal submodule breaks down, and other module is shone and still worked alone, so can not cause the paralysis of whole distribution network after the protection of certain the bar circuit inefficacy.2, also separate between distribution network terminal submodule and the CPU module; Both have only communication to connect, aspect defencive function dereliction from branch, CPU card breaks down; Only influence extraneous communication, and do not influence the normal operation of other distribution network terminal submodule function.What 3, CPU module received is the data after the distribution network terminal submodule is handled, so the load of CPU module is lighter relatively, for the function expansion surplus that still has greatly improved.CPU module is also shouldered external communication task, and the inner management role of configuration automatically, and this makes the internal structure at terminal stash to the user fully, and the user only needs the terminal is regarded as a single operation of equipment.This interface encapsulating structure has greatly been simplified user's workload, has also played the fool proof effect of module.4, applying flexible, applied widely: many assembly network termination submodule is installed in a cover distribution network terminal support, and distribution network terminal submodule model reaches 5 sections.The installation site of distribution network terminal submodule has no Compulsory Feature, therefore in theory can combination in any.This flexibility is very big has adapted to the protection requirement of all kinds distribution network system.
Description of drawings
Fig. 1 is the existing theory diagram that is used for the system configuration of distribution network terminal;
Fig. 2 is the theory diagram that is used for the modular system architecture of distribution network terminal;
Fig. 3 is the connection sketch map that is used for the modular system architecture of distribution network terminal;
Fig. 4 is the theory diagram of power module;
Fig. 5 is the theory diagram of CPU module;
Fig. 6 is for exchanging the theory diagram of input plug-in unit;
Fig. 7 is the theory diagram of Cell processor plug-in unit;
Fig. 8 is the theory diagram of switching value output inserter.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done and to be described in detail:
As shown in Figures 2 and 3, this modular system architecture that is used for distribution network terminal comprises power module, CPU module and 4 distribution network terminal submodules; Said power module is electrically connected with CPU module and 4 distribution network terminal submodules respectively through power bus; Said CPU module is connected with 4 distribution network terminal submodules respectively through communication bus; Each said distribution network terminal submodule is all formed by exchanging input plug-in unit, Cell processor plug-in unit and switching value output inserter; Said interchange input plug-in unit is connected with the Cell processor plug-in unit respectively with the switching value output inserter; Interchange input plug-in unit, Cell processor plug-in unit are connected with power module through power bus respectively with the switching value output inserter, and the Cell processor plug-in unit is connected with CPU module through communication bus.
As shown in Figure 4, the power module input is connected with the external direct current power supply of 48V, and output is divided into two-way, and one the tunnel is direct current 5V output, and another road is direct current 24V output.As shown in Figure 5, CPU module comprises CPLD, internal memory, ether communication controller, microprocessor, communication controler, real-time clock unit and electric erazable programmable memory block; Said internal memory, real-time clock unit and electric erazable programmable memory block are connected with microprocessor respectively; Microprocessor is connected with human-computer interaction device through CPLD; Microprocessor is connected with the remote scheduling end through the ether communication controller, and microprocessor is connected with each distribution network terminal submodule through communication controller.Said human-computer interaction device comprises keyboard, LCD, indicator light and/or buzzer.As shown in Figure 6, exchange the input plug-in unit and form by current transformer and/or voltage transformer.As shown in Figure 7, the Cell processor plug-in unit comprises that second-order low-pass filter, analog to digital converter, digital signal processor, microprocessor, communication controller, internal memory, CPLD, remote signalling open incoming interface circuit, real-time clock and electric erazable programmable memory block; Said digital signal processor, internal memory, CPLD, real-time clock and electric erazable programmable memory block are connected with microprocessor respectively, and microprocessor is connected with CPU module through communication controller; Said second-order low-pass filter, analog to digital converter and digital signal processor are serially connected successively, the input of second-order low-pass filter with exchange the input plug-in unit be connected; The input that the incoming interface circuit is opened in said remote signalling inserts outside remote signalling amount, and output is connected with CPLD; Said CPLD output is connected with the switching value output inserter.As shown in Figure 8, the switching value output inserter is made up of photoelectrical coupler and relay; The signal input part of said photoelectrical coupler is connected with the Cell processor plug-in unit, and output is connected with the input of relay; The output of said relay is connected with the external circuit.
But said interchange input plug-in unit, Cell processor plug-in unit and switching value output inserter have constituted the distribution network terminal submodule of a cover independent operating, exchange common measurement and the protection that realizes distribution line of input plug-in unit, Cell processor plug-in unit and switching value output inserter.
To the user function of some distribution line is not quite similar, has designed 5 and can carry out the modules that combination in any is used, the combination of above-mentioned 5 modules almost can adapt to present distribution network systems the situation that might occur.This configuration flexibility is the elite place of modular system architecture design just.Carry out an introduction respectively with regard to each concrete module below:
Inlet wire four unification protection control modules, its function is following:
◆ can select direction overcurrent protection (two-phase formula) for three sections through pressing off lock again
◆ three sections zero sequence overcurrent protection/small current earthing wire-selectings;
◆ the three-phase single shot reclosing;
◆ the overcurrent after accelerated protection, zero sequence overcurrent after accelerated protection, overload detects, the negative phase sequence measuring ability;
Outlet four unification protection control modules, its function is following:
◆ can select direction overcurrent protection (two-phase formula) for three sections through pressing off lock again
◆ three sections zero sequence overcurrent protection/small current earthing wire-selectings;
◆ the three-phase single shot reclosing;
◆ the overcurrent after accelerated protection, zero sequence overcurrent after accelerated protection, overload detects, the negative phase sequence measuring ability;
Inlet wire prepared auto restart module, its function is following:
◆ can select direction overcurrent protection (two-phase formula) for three sections through pressing off lock again;
◆ three sections zero sequence overcurrent protection/small current earthing wire-selectings;
◆ inlet wire prepared auto restart function;
◆ the three-phase single shot reclosing;
◆ the overcurrent after accelerated protection, zero sequence overcurrent after accelerated protection, overload detects, the negative phase sequence measuring ability;
Segmentation prepared auto restart module, its function is following:
◆ the inlet wire of dual mode is hauled oneself willingly into function;
◆ the segmentation of dual mode (bridge) switch is hauled oneself willingly into function;
◆ press off two sections specified time overcurrent protections (three-phase type) of lock again to the warp of block switch;
◆ press off the combined floodgate after accelerated protection of lock again to the warp of block switch;
◆ to one section zero sequence overcurrent protection of block switch;
The circuit control module, its function is following:
◆ phase voltage of two sections buses (Ua, Ub, Uc) and line voltage (Uab, Ubc, Uca), 2 road protective currents (BIa and BIc), 2 drive test amount electric currents (MIa and MIc are mutually), 2 road zero-sequence current (Io1; Io2), the active power of 2 circuits (P), reactive power (Q), power factor (PF) (
) and frequency (f);
◆ 20 tunnel remote signalling are opened into collection, device remote signalling displacement, accident remote signalling;
◆ the output of 10 way switch amounts;
Describe with regard to its application example below:
Example 1:Object of protection has two inlet wires; Requirement possesses segmentation prepared auto restart function; Inlet wire is protected measurement, then can dispose as follows: from work and the right side sets gradually an inlet wire four unification protection control modules, segmentation prepared auto restart module, inlet wire four unification protection control module, inlet wire four unification protection control module or circuit control module totally 4 distribution network terminal submodules.
Example 2:2 advance 6 goes out circuit defencive function and two inlet wires to haul oneself willingly into functional device as follows configurable: from work and the right side sets gradually an inlet wire prepared auto restart module and three outlets four unification protection control modules.
Concerning exploitation manufacturer, the updating maintenance of product and the upgrading simple and feasible that becomes.The designer can be directed against changeable customer requirements, develops corresponding product rapidly.As far as the user, use the distribution network terminal product that possesses this system configuration to have more security reliability, simultaneously simple to operate.Especially when running into distribution network and transform, the user can recombinate original distribution network terminal module or changes the position and just can realize new system protection function through the mode of similar " playing with building blocks ".This has also practiced thrift fund and resource for country for the distribution user undoubtedly greatly.What this novel system configuration was brought is the situation of manufacturer and user's doulbe-sides' victory, and the distribution product of modular system architecture must obtain popularizing in an all-round way in use from now on.
The utility model is not limited to above-mentioned instance, in claims institute restricted portion of the utility model, and various distortion that those skilled in the art can make without creative work or revise the protection that all receives this patent.
Claims (7)
1. a modular system architecture that is used for distribution network terminal is characterized in that: comprise power module, CPU module and at least one distribution network terminal submodule; Said power module is electrically connected with CPU module and at least one distribution network terminal submodule respectively through power bus; Said CPU module is connected with at least one distribution network terminal submodule respectively through communication bus; Each said distribution network terminal submodule is all formed by exchanging input plug-in unit, Cell processor plug-in unit and switching value output inserter; Said interchange input plug-in unit is connected with the Cell processor plug-in unit respectively with the switching value output inserter; Interchange input plug-in unit, Cell processor plug-in unit are connected with power module through power bus respectively with the switching value output inserter, and the Cell processor plug-in unit is connected with CPU module through communication bus.
2. the modular system architecture that is used for distribution network terminal according to claim 1 is characterized in that: said power module input is connected with the external direct current power supply of 48V, and output is divided into two-way, and one the tunnel is direct current 5V output, and another road is direct current 24V output.
3. the modular system architecture that is used for distribution network terminal according to claim 1 is characterized in that: said CPU module comprises CPLD, internal memory, ether communication controller, microprocessor, communication controler, real-time clock unit and electric erazable programmable memory block; Said internal memory, real-time clock unit and electric erazable programmable memory block are connected with microprocessor respectively; Microprocessor is connected with human-computer interaction device through CPLD; Microprocessor is connected with the remote scheduling end through the ether communication controller, and microprocessor is connected with each distribution network terminal submodule through communication controller.
4. the modular system architecture that is used for distribution network terminal according to claim 3 is characterized in that: said human-computer interaction device comprises keyboard, LCD, indicator light and/or buzzer.
5. the modular system architecture that is used for distribution network terminal according to claim 1 is characterized in that: said interchange input plug-in unit is made up of current transformer and/or voltage transformer.
6. the modular system architecture that is used for distribution network terminal according to claim 1 is characterized in that: said Cell processor plug-in unit comprises that second-order low-pass filter, analog to digital converter, digital signal processor, microprocessor, communication controller, internal memory, CPLD, remote signalling open incoming interface circuit, real-time clock and electric erazable programmable memory block; Said digital signal processor, internal memory, CPLD, real-time clock and electric erazable programmable memory block are connected with microprocessor respectively, and microprocessor is connected with CPU module through communication controller; Said second-order low-pass filter, analog to digital converter and digital signal processor are serially connected successively, the input of second-order low-pass filter with exchange the input plug-in unit be connected; The input that the incoming interface circuit is opened in said remote signalling inserts outside remote signalling amount, and output is connected with CPLD; Said CPLD output is connected with the switching value output inserter.
7. the modular system architecture that is used for distribution network terminal according to claim 1 is characterized in that: said switching value output inserter is made up of photoelectrical coupler and relay; The signal input part of said photoelectrical coupler is connected with the Cell processor plug-in unit, and output is connected with the input of relay; The output of said relay is connected with the external circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120273355U CN202145565U (en) | 2011-07-29 | 2011-07-29 | Modular system structure used in distribution network terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120273355U CN202145565U (en) | 2011-07-29 | 2011-07-29 | Modular system structure used in distribution network terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202145565U true CN202145565U (en) | 2012-02-15 |
Family
ID=45581492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120273355U Expired - Fee Related CN202145565U (en) | 2011-07-29 | 2011-07-29 | Modular system structure used in distribution network terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202145565U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904228A (en) * | 2012-10-17 | 2013-01-30 | 南京因泰莱配电自动化设备有限公司 | Protection method and protection device of power distribution network |
| CN103607041A (en) * | 2013-05-02 | 2014-02-26 | 国家电网公司 | Grid line protecting and monitoring device |
| CN109193952A (en) * | 2018-11-15 | 2019-01-11 | 湖南长高思瑞自动化有限公司 | A kind of techniques of feeder terminal unit in power distribution network and fault detection guard method based on GPRS communication |
-
2011
- 2011-07-29 CN CN201120273355U patent/CN202145565U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904228A (en) * | 2012-10-17 | 2013-01-30 | 南京因泰莱配电自动化设备有限公司 | Protection method and protection device of power distribution network |
| CN102904228B (en) * | 2012-10-17 | 2016-02-24 | 南京因泰莱配电自动化设备有限公司 | A kind of guard method of power distribution network and protective device |
| CN103607041A (en) * | 2013-05-02 | 2014-02-26 | 国家电网公司 | Grid line protecting and monitoring device |
| CN109193952A (en) * | 2018-11-15 | 2019-01-11 | 湖南长高思瑞自动化有限公司 | A kind of techniques of feeder terminal unit in power distribution network and fault detection guard method based on GPRS communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10568232B2 (en) | Modular uninterruptible power supply apparatus and methods of operating same | |
| US9899867B2 (en) | DC power server for a DC microgrid | |
| US9995768B2 (en) | Interconnection meter socket adapters | |
| McGranaghan et al. | Technical and system requirements for advanced distribution automation | |
| US9772347B2 (en) | Interconnection meter socket adapters | |
| CN102640388B (en) | I/o module | |
| CN202145565U (en) | Modular system structure used in distribution network terminal | |
| CN104685758A (en) | UPS systems with modular block architectures | |
| CN102931661A (en) | Alternating-current distribution method and power supply wiring device compatible to various power grid patterns | |
| CN103151754B (en) | A kind of low-voltage cable junction box line connected mode and device | |
| CN107154630B (en) | Hybrid power electronic transformer substation | |
| CN203205793U (en) | Low voltage cable branch case inlet wire module | |
| EP3989394A1 (en) | Split-bus electrical panel with homeowner selectable partial or full back-up from pv/battery systems | |
| CN211377569U (en) | Outdoor installation full voltage level integration transformer protection device | |
| CN205283129U (en) | Can realize that intelligent substation that voltage parallels enlarges interior bridging line system | |
| CN209029871U (en) | Jack box | |
| CN208343973U (en) | A kind of electric automobile charging station | |
| CN107276422A (en) | One kind matches somebody with somebody electric adapter | |
| CN208589923U (en) | A kind of novel bidirectional high-pressure DC/DC converter topology | |
| WO2017011339A1 (en) | Interconnection meter socket adapters | |
| CN202737364U (en) | 35 kV no-one-entering modularization transformer station | |
| CN206211632U (en) | Vehicle power all-in-one numerical control device and control system | |
| CN100401611C (en) | Four-way power supply equalization switched transformer station wiring method | |
| CN205610336U (en) | Combination formula distribution system for data center | |
| CN110661176A (en) | Emergency power supply device for nuclear power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120215 Termination date: 20180729 |