CN202374040U - Modular DC (direct current) split electric screen - Google Patents
Modular DC (direct current) split electric screen Download PDFInfo
- Publication number
- CN202374040U CN202374040U CN2011205169658U CN201120516965U CN202374040U CN 202374040 U CN202374040 U CN 202374040U CN 2011205169658 U CN2011205169658 U CN 2011205169658U CN 201120516965 U CN201120516965 U CN 201120516965U CN 202374040 U CN202374040 U CN 202374040U
- Authority
- CN
- China
- Prior art keywords
- modularization
- modular
- circuit breaker
- miniature circuit
- feeds out
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a modular DC (direct current) split electric screen, which comprises a screen body (1) and the like. The modular DC split electric screen is characterized in that at least one modular feeding unit (2), at least one modular maintenance bypass unit (3), at least one feeder terminal block (4) and an input terminal (5) are arranged in the screen body (1); each modular feeding unit (2) comprises module bodies (2-6), at least four feeder miniature circuit breakers (2-1), at least four insulated monitoring current transformers (2-4), at least eight voltage/current transmitter interface terminals (2-5), an indicator lamp (2-2) and a digital voltage meter (2-3); each modular maintenance bypass unit (3) comprises one inspection switch (3-1) and experiment feeder terminals (3-2); and the number of the experiment feeder terminals (3-2) is twice of that of the feeder miniature circuit breakers (2-1). The modular DC split electric screen is simple and practical, convenient, time-saving and safe.
Description
Technical field:
The utility model relates to a kind of modularized dc and divides electric screen, belongs to electric power system substation equipment maintenance and repair technical field.
Background technology:
At present; There are following problem in the feed panel that transformer station direct current system adopts, branch electric screen on structure and electric wiring; If change circuit breaker or insulating monitoring device transducer (CT), must have a power failure by corresponding circuit, but be the chance that does not almost have power failure for the DC power supply that moves.Even if the chance of power failure is arranged, change a circuit breaker and insulating monitoring device transducer also needs the time more than 4 hours, and adjacent equipment charging operation, abnormally dangerous.
The utility model content:
The purpose of the utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of simple and practical, makes things convenient for, saves time, the modularized dc of safety divides electric screen.
The purpose of the utility model can reach through following measure: a kind of modularized dc divides electric screen; It comprises the screen body; The front and back of screen body are respectively equipped with button fly front and back pullout (BPO); It is characterized in that shielding and be provided with at least 1 modularization feed element, at least 1 modularization maintenance by-pass unit, at least 1 feed line terminals row and input terminal in the body, input terminal is link block feed element, modularization maintenance by-pass unit respectively, and modularization feed element, modularization maintenance by-pass unit all connect feed line terminals row; Each modularization feed element comprises module body; Module body is provided with at least 4 and feeds out miniature circuit breaker, at least 4 insulating monitoring current transformers and at least 8 voltage/current transmitter Interface Terminals, and each feeds out miniature circuit breaker and connects an insulating monitoring current transformer and an indicator light, and each insulating monitoring current transformer connects two voltage/current transmitter Interface Terminals; Voltage/current transmitter Interface Terminal connects feed line terminals row; Input terminal connects respectively and feeds out miniature circuit breaker, digital voltmeter, and each modularization maintenance by-pass unit comprises 1 inspection switch, and inspection switch connects input terminal respectively and experiment feeds out terminal; Experiment feeds out terminal and connects feed line terminals row, and the quantity that experiment feeds out terminal is to feed out 2 times of miniature circuit breaker.
In order further to realize the purpose of the utility model, be provided with 1-7 modularization feed element, a 1-7 modularization maintenance by-pass unit, a 1-7 feed line terminals row in the described screen body.
In order further to realize the purpose of the utility model, the described quantity that feeds out miniature circuit breaker is 4-8, and the quantity of insulating monitoring current transformer is 4-8, and the quantity of voltage/current transmitter Interface Terminal is 8-16.
The utility model is compared with prior art can produce following good effect: the utility model adopts modularized design; Circuit breaker and insulating monitoring current transformer are placed in the module; When its damage needs maintenance or changes; Through the maintenance bypass operation of leading the way, take off corresponding module, replacing circuit breaker or insulating monitoring current transformer.Each output of modularization maintenance by-pass unit can feed out the by-pass switch of unit separately as a modularization, this module is at ordinary times in off-state, if certain module feeds out the unit need overhaul the time, ability is closed corresponding switch.Ensureing under the state that load does not have a power failure, corresponding trouble unit is withdrawed from maintenance like this.The utility model is accomplished the not branch electric screen of interruption maintenance direct current operative power source fully, changes approximately needs of a circuit breaker or insulating monitoring current transformer at present
4 hoursTime, the utility model can be accomplished
20Change in minute.The utility model makes things convenient for, saves time, safety, has improved the reliability of direct current system power supply greatly, has effectively solved the problem that existing equipment exists.
Description of drawings:
Fig. 1 is the front view of the utility model;
Fig. 2 is the rearview of the utility model.
Fig. 3 is the structural representation of the modularization feed element of the utility model;
Fig. 4 is the utility model
SupplyThe electricity theory diagram;
Fig. 5 is the electric theory diagram of the modularization feed element of the utility model;
The electric theory diagram of the modularization maintenance by-pass unit of Fig. 6 the utility model;
Embodiment: elaborate below in conjunction with the embodiment of accompanying drawing to the utility model:
Embodiment: a kind of modularized dc divides electric screen (referring to Fig. 1-Fig. 6); It comprises screen body 1; The front and back of screen body 1 are respectively equipped with button fly front 6 and back pullout (BPO) 7; Front portion in the screen body 1 is provided with 1-7 modularization feed element 2 (present embodiment is 6); Rear portion in the screen body 1 is provided with 1-7 modularization maintenance by-pass unit 3 (present embodiment is 6), 1-7 feed line terminals row 4 (present embodiment is 6) and an input terminal 5, and modularization feed element 2, modularization maintenance by-pass unit 3 and feed line terminals row's 4 quantity is identical.Input terminal 5 is link block feed element 2, modularization maintenance by-pass unit 3 respectively, and modularization feed element 2, modularization maintenance by-pass unit 3 all connect feed line terminals row 4.Each modularization feed element 2 comprises module body 2-6, module body 2-6's
BeforeFace is provided with 4-8 and feeds out miniature circuit breaker 2-1 (present embodiment is 8), a 4-8 insulating monitoring current transformer 2-4 (present embodiment is 8) and 8-16 voltage/current transmitter Interface Terminal 2-5 (present embodiment is 16); Each feeds out miniature circuit breaker 2-1 and connects an insulating monitoring current transformer 2-4 and an indicator light 2-2; Each insulating monitoring current transformer 2-4 connects two voltage/current transmitter Interface Terminal 2-5; Voltage/current transmitter Interface Terminal 2-5 connects feed line terminals row 4; Input terminal 5 connects respectively and feeds out miniature circuit breaker 2-1, digital voltmeter 2-3, and digital voltmeter 2-3 makes things convenient for the operating voltage and the state of Observation Blocks feed element 2.Indicator light 2-2 is located on the module body 2-6.Each modularization maintenance by-pass unit 3 comprises 1 inspection switch 3-1; Inspection switch 3-1 connects input terminal 5 respectively and feeds out terminal 3-2 with experiment; Experiment feeds out terminal 3-2 and connects feed line terminals row 4, and the quantity that experiment feeds out terminal 3-2 is 2 times (present embodiment is 16) that feed out miniature circuit breaker 2-1.
When normally moving, power supply to modularization power supply unit 2 and modularization maintenance by-pass unit 3, feeds out miniature circuit breaker 2-1 closure through input terminal 5, modularization is overhauled by-pass unit (contain experiment and feed out terminal) 3 and broken off, and supplies power to loading through feed line terminals row 4.When one of needs replacing feeds out miniature circuit breaker 2-1 or insulating monitoring current transformer 2-4; At first modularization is overhauled unit 3 (contain experiment and feed out terminal) and get to closed position, this moment, load was simultaneously by feeding out 3 power supplies of miniature circuit breaker 2-1 and modularization maintenance unit.Break off then and feed out miniature circuit breaker 2-1; Load changes by 3 power supplies of modularization maintenance unit; So just can modularization power supply unit 2 be pulled out, change and feed out miniature circuit breaker 2-1 or insulating monitoring current sensor 2-4, thereby guarantee the uninterrupted of direct current supply between the stage of replacement.
Claims (3)
1. a modularized dc divides electric screen; It comprises screen body (1); The front and back of screen body (1) are respectively equipped with button fly front (6) and back pullout (BPO) (7); It is characterized in that shielding and be provided with at least 1 modularization feed element (2), at least 1 modularization maintenance by-pass unit (3), at least 1 feed line terminals row (4) and input terminal (5) in the body (1); Input terminal (5) is link block feed element (2), modularization maintenance by-pass unit (3) respectively; Modularization feed element (2), modularization maintenance by-pass unit (3) all connect feed line terminals row (4); Each modularization feed element (2) comprises module body (2-6); Module body (2-6) is provided with at least 4 and feeds out miniature circuit breaker (2-1), at least 4 insulating monitoring current transformers (2-4) and at least 8 voltage/current transmitter Interface Terminals (2-5), and each feeds out miniature circuit breaker (2-1) and connects an insulating monitoring current transformer (2-4) and an indicator light (2-2), and each insulating monitoring current transformer (2-4) connects two voltage/current transmitter Interface Terminals (2-5); Voltage/current transmitter Interface Terminal (2-5) connects feed line terminals row (4); Input terminal (5) connects respectively and feeds out miniature circuit breaker (2-1), digital voltmeter (2-3), and each modularization maintenance by-pass unit (3) comprises 1 inspection switch (3-1), and inspection switch (3-1) connects input terminal (5) respectively and experiment feeds out terminal (3-2); Experiment feeds out terminal (3-2) and connects feed line terminals row (4), and the quantity that experiment feeds out terminal (3-2) is for feeding out 2 times of miniature circuit breaker (2-1).
2. a kind of modularized dc according to claim 1 divides electric screen, it is characterized in that being provided with in the described screen body (1) 1-7 modularization feed element (2), a 1-7 modularization maintenance by-pass unit (3), a 1-7 feed line terminals row (4).
3. a kind of modularized dc according to claim 1 divides electric screen; It is characterized in that the described quantity that feeds out miniature circuit breaker (2-1) is 4-8; The quantity of insulating monitoring current transformer (2-4) is 4-8, and the quantity of voltage/current transmitter Interface Terminal (2-5) is 8-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205169658U CN202374040U (en) | 2011-12-13 | 2011-12-13 | Modular DC (direct current) split electric screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205169658U CN202374040U (en) | 2011-12-13 | 2011-12-13 | Modular DC (direct current) split electric screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202374040U true CN202374040U (en) | 2012-08-08 |
Family
ID=46597731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205169658U Withdrawn - After Issue CN202374040U (en) | 2011-12-13 | 2011-12-13 | Modular DC (direct current) split electric screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202374040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386677A (en) * | 2011-12-13 | 2012-03-21 | 山东电力集团公司烟台供电公司 | Modular direct current power distribution screen |
-
2011
- 2011-12-13 CN CN2011205169658U patent/CN202374040U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386677A (en) * | 2011-12-13 | 2012-03-21 | 山东电力集团公司烟台供电公司 | Modular direct current power distribution screen |
| CN102386677B (en) * | 2011-12-13 | 2013-05-29 | 山东电力集团公司烟台供电公司 | Modular direct current power distribution screen |
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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 |
Granted publication date: 20120808 Effective date of abandoning: 20130529 |
|
| RGAV | Abandon patent right to avoid regrant |