CN105490171A - High-voltage frequency-conversion one-for-one manual bypass cabinet - Google Patents
High-voltage frequency-conversion one-for-one manual bypass cabinet Download PDFInfo
- Publication number
- CN105490171A CN105490171A CN201510857569.4A CN201510857569A CN105490171A CN 105490171 A CN105490171 A CN 105490171A CN 201510857569 A CN201510857569 A CN 201510857569A CN 105490171 A CN105490171 A CN 105490171A
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- CN
- China
- Prior art keywords
- conductive plate
- isolating switch
- cabinet
- moving contact
- conversion
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a high-voltage frequency-conversion one-for-one manual bypass cabinet. The bypass cabinet comprises a cabinet body, wherein a single-pole disconnecting switch, a double-pole disconnecting switch, an upper beam and a lower beam are arranged in the cabinet body; a mounting frame is arranged between the upper beam and the lower beam; the double-pole disconnecting switch is mounted on the mounting frame; the single-pole disconnecting switch is mounted on a top plate of the cabinet body; the single-pole disconnecting switch comprises a first stationary contact, a first moving contact and a first disconnecting link; the double-pole disconnecting switch comprises a second stationary contact, a second moving contact, a third moving contact, a second disconnecting link and a third disconnecting link; the cabinet body is provided with a first conductive plate and a second conductive plate; the upper end of the first conductive plate is connected with the first moving contact; the upper end of the second conductive plate is connected with the second moving contact; the second moving contact is connected with the first stationary contact through a third conductive plate; the third moving contact is connected with a fourth conductive plate connected with the output end of a frequency converter; and the second stationary contact is connected with a fifth conductive plate connected with a motor. The bypass cabinet has the advantages of simple and compact structure, convenient maintenance and the like.
Description
Technical field
The present invention relates generally to electrical equipment technical field, refers in particular to a kind of high-pressure frequency-conversion one-to-one manual bypass cabinet.
Background technology
The fast development of current domestic frequency conversion industry, needs bypass cabinet supporting with it, to meet the switching of power delivery.But the most complex structure of bypass cabinet used at present, maintenance cycle are long and volume is large, Operation and Maintenance is inconvenient.
Summary of the invention
The technical problem to be solved in the present invention is just: for prior art exist technical problem, the invention provides a kind of simple and compact for structure, take the little high-pressure frequency-conversion one-to-one manual bypass cabinet of volume.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is:
A kind of high-pressure frequency-conversion one-to-one manual bypass cabinet, comprise cabinet, hilted broadsword isolating switch is provided with in described cabinet, double-pole isolating switch, upper beam and underbeam, right vertical between described upper beam and underbeam is provided with installing rack, the two ends of described installing rack are connected with underbeam with upper beam respectively, described double-pole isolating switch is installed on described installing rack, described hilted broadsword isolating switch is installed on the left of the top board of described cabinet, described hilted broadsword isolating switch comprises the first fixed contact, first moving contact and the first disconnecting link, described double-pole isolating switch comprises the second fixed contact, second moving contact, 3rd moving contact, second disconnecting link and the 3rd disconnecting link, the left side vertical of described cabinet is provided with the first conductive plate and the second conductive plate, the lower end of described first conductive plate is for connecting the input of frequency converter, upper end connects the first moving contact of hilted broadsword isolating switch, the lower end of described second conductive plate is for connecting power supply, upper end connects the second moving contact of double-pole isolating switch, described second moving contact is connected with the first fixed contact of hilted broadsword isolating switch by the 3rd conductive plate vertically arranged, 3rd moving contact of described double-pole isolating switch is connected with the 4th conductive plate for being connected with inverter output terminal vertically arranged, second fixed contact of described double-pole isolating switch is connected with the 5th conductive plate for being connected with motor vertically arranged.
Further improvement as technique scheme:
The lower end of described first conductive plate, the second conductive plate, the 4th conductive plate and the 5th conductive plate is all positioned on the same level line of cabinet bottom.
Described first conductive plate is connected with the left plate of described cabinet is fastening by more than one insulated column.
Described second conductive plate is positioned at the right side of described first conductive plate, and is provided with more than one insulated column between the first conductive plate and the second conductive plate.
Described double-pole isolating switch is installed on the left side of described installing rack, and the second fixed contact of described double-pole isolating switch is positioned at the right side of described installing rack, and described 5th conductive plate is fastened on described installing rack by insulated column.
On the right side of the top board of described cabinet, lightning arrester is installed.
Described first conductive plate, the second conductive plate, the 3rd conductive plate, the 4th conductive plate and the 5th conductive plate are copper bar.
The lower end of described first conductive plate, the second conductive plate, the 3rd conductive plate, the 4th conductive plate and the 5th conductive plate all offers the wiring hole for connecing cable.
Compared with prior art, the invention has the advantages that:
High-pressure frequency-conversion one-to-one manual bypass cabinet of the present invention, arranged by the rational position of hilted broadsword isolating switch, double-pole isolating switch and each conductive plate, simple and compact for structure, the very big space reducing cabinet, also make the length of each conductive plate the shortest simultaneously, improve the reliability of each element manipulation in cabinet.The lower end of each conductive plate is all positioned on the same level line of cabinet bottom in addition, facilitates wiring and maintenance.
Accompanying drawing explanation
Fig. 1 is internal structure schematic diagram of the present invention.
Fig. 2 is the main TV structure schematic diagram of cabinet of the present invention.
Fig. 3 is cabinet backsight structural representation of the present invention.
Fig. 4 is the partial enlarged drawing at X place in Fig. 2.
Fig. 5 is circuit theory diagrams of the present invention.
Number in the figure represents: 1, cabinet; 11, top board; 12, left plate; 13, right plate; 14, upper beam; 15, underbeam; 16, installing rack; 2, hilted broadsword isolating switch; 21, the first fixed contact; 22, the first moving contact; 23, the first disconnecting link; 3, double-pole isolating switch; 31, the second fixed contact; 32, the second moving contact; 33, the 3rd moving contact; 34, the second disconnecting link; 35, the 3rd disconnecting link; 41, the first conductive plate; 42, the second conductive plate; 43, the 3rd conductive plate; 44, the 4th conductive plate; 45, the 5th conductive plate; 46, wiring hole; 5, insulated column; 6, lightning arrester.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figures 1 to 5, the high-pressure frequency-conversion one-to-one manual bypass cabinet of the present embodiment, comprise cabinet 1, hilted broadsword isolating switch 2 is provided with in cabinet 1, double-pole isolating switch 3, upper beam 14 and underbeam 15, right vertical between upper beam 14 and underbeam 15 is provided with installing rack 16, the two ends of installing rack 16 are connected with underbeam 15 with upper beam 14 respectively, double-pole isolating switch 3 is installed on installing rack 16, hilted broadsword isolating switch 2 is installed on the left of the top board 11 of cabinet 1, hilted broadsword isolating switch 2 comprises the first fixed contact 21, first moving contact 22 and the first disconnecting link 23, double-pole isolating switch 3 comprises the second fixed contact 31, second moving contact 32, 3rd moving contact 33, second disconnecting link 34 and the 3rd disconnecting link 35, the left side vertical of cabinet 1 is provided with the first conductive plate 41 and the second conductive plate 42, the lower end of the first conductive plate 41 is for connecting the input of frequency converter, upper end connects the first moving contact 22 of hilted broadsword isolating switch 2, the lower end of the second conductive plate 42 is for connecting power supply, upper end connects the second moving contact 32 of double-pole isolating switch 3, second moving contact 32 is connected with the first fixed contact 21 of hilted broadsword isolating switch 2 by the 3rd conductive plate 43 vertically arranged, 3rd moving contact 33 of double-pole isolating switch 3 is connected with the 4th conductive plate 44 for being connected with inverter output terminal vertically arranged, second fixed contact 31 of double-pole isolating switch 3 is connected with the 5th conductive plate 45 for being connected with motor vertically arranged.High-pressure frequency-conversion one-to-one manual bypass cabinet of the present invention, arranged by the rational position of hilted broadsword isolating switch 2, double-pole isolating switch 3 and each conductive plate, greatly reduce the space of cabinet 1, also make the length of each conductive plate the shortest simultaneously, improve the reliability of each element manipulation in cabinet 1.
In the present embodiment, first conductive plate 41, second conductive plate 42, the 4th conductive plate 44 and the 5th conductive plate 45 are vertical setting, reduce the width of cabinet 1, thus reduce the volume of cabinet 1, the lower end of each conductive plate is all positioned on the same level line of cabinet 1 bottom in addition, thus convenient unified wiring and maintenance process.
In the present embodiment, first conductive plate 41 is connected with the left plate 12 of cabinet 1 is fastening by more than one insulated column 5, first conductive plate 41 is less and be fastened on left plate 12 by insulated column 5 with left side distance, further reduces the width of cabinet 1 and improves the tautness of the first conductive plate 41.Second conductive plate 42 is positioned at the right side of the first conductive plate 41 and adjacent first conductive plate 41, and be provided with more than one insulated column 5 between the first conductive plate 41 and the second conductive plate 42, also further reduce the volume of cabinet 1, improve the tautness of the second conductive plate 42 simultaneously.
In the present embodiment, double-pole isolating switch 3 is installed on the left side of installing rack 16, and its side is positioned at immediately below hilted broadsword isolating switch 2, thus shorten the length of the 3rd conductive plate 43, facilitate wiring and compact conformation, second fixed contact 31 of double-pole isolating switch 3 is positioned at the right side of installing rack 16, and the 5th conductive plate 45 is fastened on installing rack 16 or by insulated column 5 by insulated column 5 and is fastened on the right plate 13 of cabinet 1.
As shown in Figure 1, in the present embodiment, on the right side of the top board 11 of cabinet 1, lightning arrester 6 is installed, for lightning protection, improves the security reliability of cabinet work.
As shown in Figure 4, in the present embodiment, first conductive plate 41, second conductive plate 42, the 3rd conductive plate 43, the 4th conductive plate 44 and the 5th conductive plate 45 are copper bar, and the lower end of each conductive plate (terminals) all offer the wiring hole 46 for wiring, thus conveniently carry out wiring work.
Operation principle: as shown in Figure 5, wherein QS2 and QS3 has electrical interlocks and mechanical interlocked, and QS1 corresponds to hilted broadsword isolating switch 2, QS2 and QS3 then corresponds to double-pole isolating switch 3, and when frequency conversion being switched to power frequency operation, first QS2 first divides, QS1 divides again, and then QS3 closes, and completes switching; When power frequency is switched to converting operation by needs, QS3 first divides, and QS1 first closes, and then QS2 closes, and switching completes.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (8)
1. a high-pressure frequency-conversion one-to-one manual bypass cabinet, comprise cabinet (1), it is characterized in that, hilted broadsword isolating switch (2) is provided with in described cabinet (1), double-pole isolating switch (3), upper beam (14) and underbeam (15), right vertical between described upper beam (14) and underbeam (15) is provided with installing rack (16), the two ends of described installing rack (16) are connected with underbeam (15) with upper beam (14) respectively, described double-pole isolating switch (3) is installed on described installing rack (16), described hilted broadsword isolating switch (2) is installed on top board (11) left side of described cabinet (1), described hilted broadsword isolating switch (2) comprises the first fixed contact (21), first moving contact (22) and the first disconnecting link (23), described double-pole isolating switch (3) comprises the second fixed contact (31), second moving contact (32), 3rd moving contact (33), second disconnecting link (34) and the 3rd disconnecting link (35), the left side vertical of described cabinet (1) is provided with the first conductive plate (41) and the second conductive plate (42), the lower end of described first conductive plate (41) is for connecting the input of frequency converter, upper end connects first moving contact (22) of hilted broadsword isolating switch (2), the lower end of described second conductive plate (42) is for connecting power supply, upper end connects second moving contact (32) of double-pole isolating switch (3), described second moving contact (32) is connected with first fixed contact (21) of hilted broadsword isolating switch (2) by the 3rd conductive plate (43) vertically arranged, 3rd moving contact (33) of described double-pole isolating switch (3) is connected with the 4th conductive plate (44) for being connected with inverter output terminal vertically arranged, second fixed contact (31) of described double-pole isolating switch (3) is connected with the 5th conductive plate (45) for being connected with motor vertically arranged.
2. high-pressure frequency-conversion one-to-one manual bypass cabinet according to claim 1, it is characterized in that, the lower end of described first conductive plate (41), the second conductive plate (42), the 4th conductive plate (44) and the 5th conductive plate (45) is all positioned on the same level line of cabinet (1) bottom.
3. high-pressure frequency-conversion one-to-one manual bypass cabinet according to claim 1, is characterized in that, described first conductive plate (41) is connected with the left plate (12) of described cabinet (1) is fastening by more than one insulated column (5).
4. high-pressure frequency-conversion one-to-one manual bypass cabinet according to claim 3, it is characterized in that, described second conductive plate (42) is positioned at the right side of described first conductive plate (41), and is provided with more than one insulated column (5) between the first conductive plate (41) and the second conductive plate (42).
5. high-pressure frequency-conversion one-to-one manual bypass cabinet as claimed in any of claims 1 to 4, it is characterized in that, described double-pole isolating switch (3) is installed on the left side of described installing rack (16), second fixed contact (31) of described double-pole isolating switch (3) is positioned at the right side of described installing rack (16), and described 5th conductive plate (45) is fastened on described installing rack (16) by insulated column (5).
6. high-pressure frequency-conversion one-to-one manual bypass cabinet as claimed in any of claims 1 to 4, is characterized in that, top board (11) right side of described cabinet (1) is provided with lightning arrester (6).
7. high-pressure frequency-conversion one-to-one manual bypass cabinet as claimed in any of claims 1 to 4, it is characterized in that, described first conductive plate (41), the second conductive plate (42), the 3rd conductive plate (43), the 4th conductive plate (44) and the 5th conductive plate (45) are copper bar.
8. high-pressure frequency-conversion one-to-one manual bypass cabinet according to claim 7, it is characterized in that, the lower end of described first conductive plate (41), the second conductive plate (42), the 3rd conductive plate (43), the 4th conductive plate (44) and the 5th conductive plate (45) all offers the wiring hole (46) for connecing cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510857569.4A CN105490171B (en) | 2015-11-30 | 2015-11-30 | A kind of high-pressure frequency-conversion one-to-one manual bypass cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510857569.4A CN105490171B (en) | 2015-11-30 | 2015-11-30 | A kind of high-pressure frequency-conversion one-to-one manual bypass cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105490171A true CN105490171A (en) | 2016-04-13 |
| CN105490171B CN105490171B (en) | 2017-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510857569.4A Active CN105490171B (en) | 2015-11-30 | 2015-11-30 | A kind of high-pressure frequency-conversion one-to-one manual bypass cabinet |
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| Country | Link |
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| CN (1) | CN105490171B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038961A (en) * | 2020-08-25 | 2020-12-04 | 安徽得润电气技术有限公司 | Manual bypass cabinet of many isolator high pressure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2595030Y (en) * | 2002-12-27 | 2003-12-24 | 北京利德华福技术有限公司 | Bypass switching cabinet for high voltage frequency conversion speed regulating system |
| US8134323B2 (en) * | 2009-02-18 | 2012-03-13 | Toshiba International Corporation | Bypass and synchronous transfer arrangement for a medium voltage drive control system |
| CN203596506U (en) * | 2013-10-29 | 2014-05-14 | 浙江中能博瑞电器集团有限公司 | High voltage frequency conversion bypass cabinet |
| CN204145062U (en) * | 2014-09-25 | 2015-02-04 | 浙江中能博瑞电器集团有限公司 | Full high pressure manual frequency conversion bypass cabinet |
-
2015
- 2015-11-30 CN CN201510857569.4A patent/CN105490171B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2595030Y (en) * | 2002-12-27 | 2003-12-24 | 北京利德华福技术有限公司 | Bypass switching cabinet for high voltage frequency conversion speed regulating system |
| US8134323B2 (en) * | 2009-02-18 | 2012-03-13 | Toshiba International Corporation | Bypass and synchronous transfer arrangement for a medium voltage drive control system |
| CN203596506U (en) * | 2013-10-29 | 2014-05-14 | 浙江中能博瑞电器集团有限公司 | High voltage frequency conversion bypass cabinet |
| CN204145062U (en) * | 2014-09-25 | 2015-02-04 | 浙江中能博瑞电器集团有限公司 | Full high pressure manual frequency conversion bypass cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038961A (en) * | 2020-08-25 | 2020-12-04 | 安徽得润电气技术有限公司 | Manual bypass cabinet of many isolator high pressure |
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| Publication number | Publication date |
|---|---|
| CN105490171B (en) | 2017-12-05 |
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