CN205070194U - Multi -functional low -voltage switchgear - Google Patents
Multi -functional low -voltage switchgear Download PDFInfo
- Publication number
- CN205070194U CN205070194U CN201520716805.6U CN201520716805U CN205070194U CN 205070194 U CN205070194 U CN 205070194U CN 201520716805 U CN201520716805 U CN 201520716805U CN 205070194 U CN205070194 U CN 205070194U
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- China
- Prior art keywords
- inlet wire
- outgoing line
- unit
- capacitance compensation
- competitions
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- Expired - Fee Related
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Abstract
The utility model provides a multi -functional low -voltage switchgear, includes the cubical switchboard body, characterized by still includes by two insulation board divided inlet wire measurement units, be qualified for the next round of competitions unit and capacitance compensation unit, incoming line breaker is installed to inlet wire measurement unit, and incoming line breaker inlet wire side is connected with metering mutual inductor, the side of being qualified for the next round of competitions is connected with burden accuse terminal, and metering mutual inductor is connected with the strapping table, load isolator is installed to the unit of being qualified for the next round of competitions, and load isolator inlet wire side and incoming line breaker are qualified for the next round of competitions the side and are connected, and load isolator is qualified for the next round of competitions the side and is connected with a plurality of electric leakage circuit breakers through female arranging, the connection supply cable that inclines of being qualified for the next round of competitions of the circuit breaker that leaks electricity, the condenser of a plurality of capacitance compensation functions is installed to the capacitance compensation unit. This multi -functional low -voltage switchgear, compact structure, it is convenient to install, and the practicality is strong, and occupation space is little, and investment cost is low, every unit mutual independence separates, makes things convenient for routine maintenance and maintenance, has the function that the inlet wire measured, was qualified for the next round of competitions and capacitance compensation is integrated.
Description
Technical field
The utility model belongs to switch cubicle field, is specifically related to a kind of multifunctional low-voltage switch cubicle.
Background technology
Low-tension switch cabinet is applicable to the industries such as power plant, oil, chemical industry, metallurgy, weaving, skyscraper, as the use of transmission of electricity, distribution and electric energy conversion, metering cabinet, incoming line cabinet, outgoing line cabinet and capacitor compensation cabinet is divided into by function, but for some small capacity transformers, the low-tension switch cabinet of configuration four kinds of functions, not only increase the cost of investment, and require that switchgear house must have enough spaces, also cause the waste of resource simultaneously.
Summary of the invention
For the problem that the function solving existing low-tension switch cabinet is few, take up room large, cost of investment is high, the utility model provides a kind of multifunctional low-voltage switch cubicle.
The utility model is realized by subordinate's technical scheme.
A kind of multifunctional low-voltage switch cubicle, comprises switch cabinet body, it is characterized in that, also comprise separated by two pieces of insulation boards the inlet wire metering units on top, the outgoing line unit at middle part and bottom capacitance compensation unit; Described inlet wire metering units is provided with lead-in circuit breaker, and lead-in circuit breaker inlet wire side is connected with metering instrument transformer, outgoing line side is connected with negative control terminal, and metering instrument transformer is connected with gauge table; Described outgoing line unit is provided with load-break switch, and load-break switch inlet wire side is connected with lead-in circuit breaker outgoing line side, and load-break switch outgoing line side is connected with some residual current circuit breaker by busbar, and the outgoing line side of residual current circuit breaker connects service cable; Described capacitance compensation cellular installation has the capacitor of some capacitance compensation functions.
Described multifunctional low-voltage switch cubicle, wherein, described each functional unit door is connected with framework by rotary shaft hinges, and flanging place is embedded with a mountain type rubber-plastic strip.
Described multifunctional low-voltage switch cubicle, wherein, inlet wire metering units door is provided with lead sealing and locked, and installs organic glass observation window.
Described multifunctional low-voltage switch cubicle, wherein, capacitor is dry intelligent type shunt capacitor.
Described multifunctional low-voltage switch cubicle, wherein, switch cabinet body is general cabinet, and top cover is releasable, and suspension ring are equipped with in corner, top, and framework is 8MF cold-rolled forming section.
Described multifunctional low-voltage switch cubicle, wherein, some heat radiation slotted eyes are established at the described upper and lower two ends of each functional unit respectively.
The beneficial effects of the utility model are: this multifunctional low-voltage switch cubicle, and compact conformation is firm, and installing/dismounting is convenient, practical, and take up room little, cost of investment is low; Each functional unit is separate to be separated, and facilitates regular maintenance and maintenance, has the function of inlet wire metering, outlet and capacitance compensation integration; Each cell gate is installed, convenient disassembly, and the application of mountain type rubber-plastic strip, can prevent door and cabinet direct collision, improve the degree of protection of door; Organic glass observation window is set, facilitates metrological personnel to check meter, check; Heat radiation slotted eye is set, good heat dissipation effect.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is end view of the present utility model.
In accompanying drawing: 1, inlet wire metering units, 2, gauge table, 3, metering instrument transformer, 4, load-break switch, 5, outgoing line unit, 6, busbar, 7, residual current circuit breaker, 8, capacitance compensation unit, 9, capacitor, 10, negative control terminal, 11, lead-in circuit breaker, 12, switch cabinet body, 13, insulation board.
Specific embodiments
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
A kind of multifunctional low-voltage switch cubicle, comprises switch cabinet body 12, also comprises the capacitance compensation unit 8 of the inlet wire metering units 1 on the top of being separated by two pieces of insulation boards 13, the outgoing line unit 5 at middle part and bottom.
Described each functional unit establishes independently cell gate, each cell gate is connected with framework by rotary shaft hinges, installation, convenient disassembly, the flanging place of each cell gate is embedded with a mountain type rubber-plastic strip respectively, at closing time, filler rod between door and framework has certain compression travel, can prevent door and cabinet direct collision, also improve the degree of protection of door.
Described inlet wire metering units 1 is provided with the lead-in circuit breaker 11 matched with transformer capacity, and lead-in circuit breaker 11 inlet wire side is connected with metering instrument transformer 3, outgoing line side is connected with negative control terminal 10 according to capacity, and metering instrument transformer 3 is connected with gauge table 2; Inlet wire metering units 1 adds lead sealing and locked, and except line (primary line and secondary line) necessary passage, the condition not having other can make external object to enter, inlet wire metering units 1 establishes organic glass observation window, facilitates metrological personnel to check meter, check.
Described outgoing line unit 5 is provided with dielectric property and the high load-break switch 4 of protective capacities, load-break switch 4 inlet wire side is connected with lead-in circuit breaker 11 outgoing line side in inlet wire metering units 1, load-break switch 4 outgoing line side is connected with 4 high breaking automatic recloser residual current circuit breakers 7 by busbar 6, the outgoing line side of residual current circuit breaker 7 connects service cable, feeds out to customer power supply by cable; Residual current circuit breaker 7 integrates protection and the automatic reclosings such as overload, short circuit, off zero, phase shortage, under-voltage, overvoltage, gradual electric leakage, sudden change electric leakage, ensure that the normal operation of circuit and equipment.
Described capacitance compensation unit 8 is provided with 3 dry intelligent type shunt capacitors 9, realize operating passing zero, temperature controls, the functions such as Background communication, realize mending altogether, divide and mend and mixed compensation, compensation capacity can compensate by transformer capacity 30%-50%, there is three-phase load unbalance adjustment and no-power compensation function, with reactive current, three-phase load electric current, three-phase voltage is criterion, by zero-sequence current, negative-sequence current compensates to minimum, power factor is greatly improved simultaneously, both unsymmetrical current was compensated, compensating reactive power electric current again, reduce current in middle wire greatly, tri-phase unbalance factor is lower than 10%, reduce transformer neutral point skew, reduce the iron loss of transformer, copper loss, improve power supply quality, intelligent shunt capacitor 9 has complete preservation function.
Described switch cabinet body 12 is general cabinet, and top cover is releasable, and suspension ring are equipped with in corner, top, and be convenient to lifting and shipment, framework is 8MF cold-rolled forming section, and safety is firm.
Some heat radiation slotted eyes are established at the described upper and lower two ends of each functional unit respectively, and when after electric elements heating in cabinet, heat rises, discharged by upper end slotted eye, and cold wind constantly supplements into cabinet by lower end slotted eye, make the cabinet of sealing form a natural ventilation channel from bottom to top, reach the object of heat radiation.
Claims (6)
1. a multifunctional low-voltage switch cubicle, comprises switch cabinet body (12), it is characterized in that, also comprises the capacitance compensation unit (8) of the inlet wire metering units (1) on the top of being separated by two pieces of insulation boards (13), the outgoing line unit (5) at middle part and bottom; Described inlet wire metering units (1) is provided with lead-in circuit breaker (11), and lead-in circuit breaker (11) inlet wire side is connected with metering instrument transformer (3), outgoing line side is connected with negative control terminal (10), and metering instrument transformer (3) is connected with gauge table (2); Described outgoing line unit (5) is provided with load-break switch (4), load-break switch (4) inlet wire side is connected with lead-in circuit breaker (11) outgoing line side, load-break switch (4) outgoing line side is connected with some residual current circuit breaker (7) by busbar (6), and the outgoing line side of residual current circuit breaker (7) connects service cable; Described capacitance compensation unit (8) is provided with the capacitor (9) of some capacitance compensation functions.
2. multifunctional low-voltage switch cubicle according to claim 1, it is characterized in that, described inlet wire metering units (1), outgoing line unit (5) and capacitance compensation unit (8) all establish independently cell gate, each cell gate is connected with framework by rotary shaft hinges, and flanging place is embedded with a mountain type rubber-plastic strip.
3. multifunctional low-voltage switch cubicle according to claim 1 and 2, is characterized in that, inlet wire metering units (1) door is provided with lead sealing and locked, and installs organic glass observation window.
4. multifunctional low-voltage switch cubicle according to claim 1, is characterized in that, capacitor (9) is dry intelligent type shunt capacitor.
5. multifunctional low-voltage switch cubicle according to claim 1, is characterized in that, switch cabinet body (12) is general cabinet, and top cover is releasable, and suspension ring are equipped with in corner, top, and framework is 8MF cold-rolled forming section.
6. multifunctional low-voltage switch cubicle according to claim 1, is characterized in that, described inlet wire metering units (1), outgoing line unit (5) and capacitance compensation unit (8) establish some heat radiation slotted eyes in two ends up and down respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716805.6U CN205070194U (en) | 2015-09-17 | 2015-09-17 | Multi -functional low -voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520716805.6U CN205070194U (en) | 2015-09-17 | 2015-09-17 | Multi -functional low -voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070194U true CN205070194U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520716805.6U Expired - Fee Related CN205070194U (en) | 2015-09-17 | 2015-09-17 | Multi -functional low -voltage switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205070194U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336194A (en) * | 2019-07-05 | 2019-10-15 | 海鸿电气有限公司 | Low-voltage cabinet and miniaturization preassembled transformer station |
| CN110829215A (en) * | 2019-12-05 | 2020-02-21 | 山东泰开成套电器有限公司 | Cover plate with inspection window, high-safety low-voltage cabinet and cover plate installation method |
-
2015
- 2015-09-17 CN CN201520716805.6U patent/CN205070194U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336194A (en) * | 2019-07-05 | 2019-10-15 | 海鸿电气有限公司 | Low-voltage cabinet and miniaturization preassembled transformer station |
| CN110829215A (en) * | 2019-12-05 | 2020-02-21 | 山东泰开成套电器有限公司 | Cover plate with inspection window, high-safety low-voltage cabinet and cover plate installation method |
| CN110829215B (en) * | 2019-12-05 | 2024-02-02 | 山东泰开成套电器有限公司 | Cover plate with inspection window, high-safety low-voltage cabinet and cover plate mounting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 272100 East Head of Zhang Shi Road, Rencheng District, Jining City, Shandong Province (Sanyao Village, Li Ying Town) Patentee after: Shandong Jingchuang Switchgear Co., Ltd. Address before: 272100 East Head of Zhang Shi Road, Liying Street, Rencheng District, Jining City, Shandong Province Patentee before: JINING JINGCHUANG SWITCH ELECTRIC APPLIANCE CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20200917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |