CN212412930U - Wiring structure in outlet box of double-voltage rapid conversion generator - Google Patents
Wiring structure in outlet box of double-voltage rapid conversion generator Download PDFInfo
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- CN212412930U CN212412930U CN202021049204.1U CN202021049204U CN212412930U CN 212412930 U CN212412930 U CN 212412930U CN 202021049204 U CN202021049204 U CN 202021049204U CN 212412930 U CN212412930 U CN 212412930U
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Abstract
The utility model discloses a wiring structure in a wire outlet box of a double-voltage rapid conversion generator, wherein the middle part of a wire outlet box body is divided into an upper box and a lower box through a horizontal supporting plate; three L-shaped long copper bars are arranged on the supporting plate, and three leads led out from the starting ends of the U-phase, V-phase and W-phase first windings are fixed on the three L-shaped long copper bars in a one-to-one correspondence manner; four L-shaped short copper bars are arranged on the front panel of the upper box, and three leads led out from the starting ends of the U-phase, V-phase and W-phase second windings are correspondingly fixed on the first to third L-shaped short copper bars from the left; a linear copper bar is horizontally and upwardly arranged on a bottom plate of the lower box, and three leads led out from the tail ends of the U-phase, V-phase and W-phase second windings are fixed in the first, second, fourth and sixth rows of front-row mounting holes on the left side of the linear copper bar in a one-to-one corresponding mode; and a zero line is connected between the mounting hole of the front row in the seventh row from the left and the L-shaped short copper bar on the rightmost side. The utility model discloses can change the mode of connection of lead-out wire in a flexible way, realize changing the purpose of voltage.
Description
Technical Field
The utility model relates to a wiring structure in double-voltage quick switching generator's the outlet box.
Background
With the development of modern economy, the generator leasing market and the overseas export market are rapidly developed, and different regions and different load devices have different requirements on the rated output voltage of the generator. The wiring mode of the generator when leaving the factory has uniqueness, the generator can only be ensured to operate under a definite rated voltage, and if the output voltage needs to be changed, a customer is required to realize the operation by changing the wiring mode of the outgoing line. At present, the common method in domestic and foreign markets is that the U-phase, V-phase and W-phase windings of the generator are all composed of the same first winding and second winding, so that the outgoing lines are customized into twelve, namely, a lead is respectively led out from the starting ends T1, T2 and T3 of the U-phase, V-phase and W-phase first windings; one lead is led out from the tail ends T4, T5 and T6 of the U-phase, V-phase and W-phase first windings respectively; one lead is led out from the starting ends T7, T8 and T9 of the U-phase, V-phase and W-phase second windings respectively; one lead is led out from the tail ends T10, T11 and T12 of the U-phase, V-phase and W-phase second windings respectively; the tail ends of the U-phase, V-phase and W-phase second windings are connected together, and a zero line is led out. When delivering customers, the wiring mode is changed according to the requirements, the wiring principle is as shown in fig. 1a and fig. 1b, fig. 1a is a single-circuit fire-inlet high-voltage wiring principle diagram, the first winding and the second winding of each phase are connected in series, and the obtained output voltage is as follows: 60 HZ/380V-480V and 50 HZ/380V-440V, which are shown in the following table 1 specifically; FIG. 1b is a two-way firing low voltage wiring diagram, where the first winding and the second winding of each phase are connected in parallel, and the resulting output voltages are 60 HZ/110V-240V and 50 HZ/110V-220V, as shown in Table 2 below.
However, the arrangement positions of the wiring copper bars 21 and 22 in the current outlet box are all on the same plane (as shown in fig. 2a and fig. 2b), and there are several defects if the wiring mode is changed: 1. the diameter of the outgoing line cable along with the increase of power is difficult to arrange in a limited box body space; 2. the change of the wiring mode needs professional knowledge, and the efficiency is low; 3. the outgoing line cable needs to reserve a longer length to ensure that each wiring terminal is reached; 4. the customer is not convenient to wire.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a wiring structure in double-voltage quick change generator's the outlet box, it can change the mode of connection of lead-out wire in a flexible way, realizes the purpose that changes voltage.
The purpose of the utility model is realized like this: a wiring structure in an outlet box of a double-voltage rapid conversion generator comprises an outlet box body, wherein the middle part of the outlet box body is divided into an upper box and a lower box through a horizontal supporting plate; wherein the content of the first and second substances,
three L-shaped long copper bars are arranged in a row from left to right in the longitudinal middle of the top surface of the supporting plate, and four wiring holes are respectively arranged on the horizontal plane of each L-shaped long copper bar in a horizontal row; three wires led out from the starting end of the U-phase first winding, the starting end of the V-phase first winding and the starting end of the W-phase first winding of the generator are fixed in the third wiring holes from the upper left of the three L-shaped long copper bars from left to right in a one-to-one correspondence manner;
four L-shaped short copper bars are arranged in a line from left to right on the front panel of the upper box, four wiring holes are respectively arranged on the vertical surface of each L-shaped short copper bar in a parallel manner, and the distance between two adjacent L-shaped short copper bars is the same as that between the wiring holes on each L-shaped short copper bar; three wires led out from the starting end of the U-phase second winding, the starting end of the V-phase second winding and the starting end of the W-phase second winding of the generator are fixed in a one-to-one correspondence manner through a left third wiring hole on a left first L-shaped short copper bar, a left third wiring hole on a left second L-shaped short copper bar and a left third wiring hole on a left third L-shaped short copper bar;
a linear copper bar is horizontally arranged in the middle of the top surface of the bottom plate of the lower box in the longitudinal direction, sixteen mounting holes are formed in the surface of the linear copper bar in a mode of two rows and eight columns, and the distance between every two rows of mounting holes is the same as that between wiring holes in every L-shaped short copper bar; three leads led out from the tail end of a U-phase second winding, the tail end of a V-phase second winding and the tail end of a W-phase second winding of the generator are fixed in a one-to-one correspondence manner through the mounting holes in the front row of the second column from the left, the mounting holes in the front row of the fourth column from the left and the mounting holes in the front row of the sixth column from the left; one end of a zero line is fixed in a mounting hole of the front row of the seventh row from the left, and the other end of the zero line passes through a through hole formed in the right side of the supporting plate and then is fixed in a first wiring hole formed in the left side of the L-shaped short copper bar on the rightmost side;
when a single-circuit fire-inlet high-voltage connection is carried out, three leads led out from the tail end of a U-phase first winding, the tail end of a V-phase first winding and the tail end of a W-phase first winding of the generator are fixed in a first wiring hole which is arranged on a first L-shaped short copper bar from the left, a first wiring hole which is arranged on a second L-shaped short copper bar from the left and a first wiring hole which is arranged on a third L-shaped short copper bar from the left in a one-to-one correspondence manner;
when two-way fire feeding high-voltage wiring is carried out, three leads led out from the tail end of a U-phase first winding, the tail end of a V-phase first winding and the tail end of a W-phase first winding of the generator are fixed in first wiring holes from the left to the right of three L-shaped long copper bars in a one-to-one correspondence mode, and then four L-shaped short copper bars are connected into a whole through one connecting copper bar.
In the wiring structure in the outlet box of the double-voltage rapid conversion generator, three L-shaped long copper bars are respectively installed on the supporting plate through a pair of vertical insulating columns.
In the wiring structure in the outlet box of the double-voltage rapid conversion generator, four L-shaped short copper bars are respectively installed on the front panel of the upper box through a pair of longitudinal insulating columns.
The wiring structure in the wire outlet box of the double-voltage rapid conversion generator is characterized in that a vertical insulating column is respectively installed in a mounting hole in a first row of rear rows on the left side of the linear copper bar and a mounting hole in a second row of rear rows on the left side of the linear copper bar, a vertical insulating column is respectively installed in a mounting hole in a first row of rear rows on the right side of the linear copper bar and a mounting hole in a second row of rear rows on the right side of the linear copper bar, and the four vertical insulating columns are all fixed on the bottom plate of the lower box.
The utility model discloses a wiring structure in double-voltage quick switching generator's the outlet box has following characteristics:
1) cables arranged on the same plane in the outlet box body in the prior art are changed, and wiring copper bars are arranged in three-dimensional positions, namely the upper position, the middle position and the lower position of the outlet box according to wiring requirements;
2) three wires led out from the tail end of a U-phase first winding, the tail end of a V-phase first winding and the tail end T4, T5 and T6 of a W-phase first winding of the generator are turned over up and down at 90 degrees to realize the change of the wiring modes of single-path fire feeding and double-path fire feeding;
3) neutral point connection of a double-circuit fire feeding wiring mode is achieved through two groups of L-shaped wiring copper bars and one universal plane copper bar (0 line), and the purpose of changing voltage is achieved.
Drawings
FIG. 1a is a schematic diagram of a single-circuit fired high voltage connection for a dual voltage fast switching generator;
FIG. 1b is a schematic diagram of a two-way firing high voltage wiring for a dual voltage fast switching generator;
FIG. 2a is a schematic structural diagram of a prior art dual voltage fast switching generator with a single hot high voltage connection in the outlet box;
FIG. 2b is a schematic diagram of a prior art dual-pass hot high voltage connection in the outlet box of a dual voltage fast switching generator;
fig. 3 is a layout diagram of the wiring copper bar in the outlet box of the dual-voltage rapid switching generator of the present invention;
FIG. 4 is a schematic structural view of the double-voltage fast switching generator of the present invention when a single-circuit high-voltage wiring is performed in the outlet box;
fig. 5 is a schematic structural diagram of the double-circuit line-feeding high-voltage connection in the line-outgoing box of the double-voltage fast-conversion generator of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 3 to 5 in combination with fig. 1A and 1B, the wiring structure in the outlet box of the dual-voltage fast switching generator of the present invention is used for switching between different wiring modes of the three-phase brushless ac generator and includes an outlet box 1, wherein the middle of the outlet box 1 is divided into an upper box 1A and a lower box 1B by a horizontal supporting plate 2; wherein the content of the first and second substances,
three L-shaped long copper bars 31, 32 and 33 are arranged in a row from left to right in the longitudinal middle of the top surface of the supporting plate 2, and the three L-shaped long copper bars 31, 32 and 33 are respectively arranged on the supporting plate 2 through a pair of vertical insulating columns 30; four wiring holes are respectively arranged on the horizontal plane of each L-shaped long copper bar in a parallel manner; three leads 51, 52 and 53 led out from the starting end T1 of the U-phase first winding, the starting end T2 of the V-phase first winding and the starting end T3 of the W-phase first winding of the generator are fixed in the third wiring holes from the upper left of the three L-shaped long copper bars from left to right in a one-to-one correspondence manner;
four L-shaped short copper bars 41, 42, 43 and 44 are arranged in a row from left to right on the front panel 11 of the upper box 1A, and the four L-shaped short copper bars 41, 42, 43 and 44 are respectively arranged on the front panel 11 of the upper box 1A through a pair of longitudinal insulating columns; four wiring holes are respectively arranged on the vertical surface of each L-shaped short copper bar in a parallel manner, and the distance between two adjacent L-shaped short copper bars is the same as that between the wiring holes on each L-shaped short copper bar; three lead wires 61, 62 and 63 led out from the starting end T7 of the U-phase second winding, the starting end T8 of the V-phase second winding and the starting end T9 of the W-phase second winding of the generator are fixed on the left third wiring hole on the left first L-shaped short copper bar 41, the left third wiring hole on the left second L-shaped short copper bar 42 and the left third wiring hole on the left third L-shaped short copper bar 43 in a one-to-one correspondence manner;
a linear copper bar 5 is horizontally arranged in the middle of the top surface of the bottom plate 12 of the lower box 1B in the longitudinal direction, sixteen mounting holes are formed in the surface of the linear copper bar 5 in a mode of two rows and eight columns, and the distance between every two rows of mounting holes is the same as that between wiring holes in every L-shaped short copper bar; the mounting holes of the first rear row from the left and the mounting holes of the second rear row from the left are respectively provided with a vertical insulating column 50, the mounting holes of the first rear row from the right and the mounting holes of the second rear row from the right are respectively provided with a vertical insulating column 50, and the four vertical insulating columns are all fixed on the bottom plate of the lower box; three lead wires 64, 65 and 66 led out from the tail end T10 of the U-phase second winding, the tail end T11 of the V-phase second winding and the tail end T12 of the W-phase second winding of the generator are fixed in a one-to-one correspondence manner through the mounting hole of the front row of the second column from the left, the mounting hole of the front row of the fourth column from the left and the mounting hole of the front row of the sixth column from the left; one end of a zero line 6 is fixed in a mounting hole of the front row of the seventh row from the left, and the other end of the zero line 6 passes through a through hole formed in the right side of the supporting plate 2 and then is fixed in a first wiring hole of the L-shaped short copper bar 44 at the rightmost side;
when a single-circuit fire-inlet high-voltage connection is carried out, three leads 54, 55 and 56 led out from the tail end T4 of a U-phase first winding, the tail end T5 of a V-phase first winding and the tail end T6 of a W-phase first winding of the generator are fixed in a first left wiring hole on a first L-shaped short copper bar 41, a first left wiring hole on a second L-shaped short copper bar 42 and a first left wiring hole on a third L-shaped short copper bar 43 in a one-to-one correspondence manner;
when two-way fire feeding high-voltage wiring is carried out, three leads 54, 55 and 56 led out from the tail end T4 of a U-phase first winding, the tail end T5 of a V-phase first winding and the tail end T6 of a W-phase first winding of the generator are fixed in first wiring holes from the left to the right of three L-shaped long copper bars 31, 32 and 33 in a one-to-one correspondence mode, and then four L-shaped short copper bars are connected into a whole through one connecting copper bar 7.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (4)
1. A wiring structure in an outlet box of a double-voltage rapid conversion generator comprises an outlet box body, wherein the middle part of the outlet box body is divided into an upper box and a lower box through a horizontal supporting plate; it is characterized in that the preparation method is characterized in that,
three L-shaped long copper bars are arranged in a row from left to right in the longitudinal middle of the top surface of the supporting plate, and four wiring holes are respectively arranged on the horizontal plane of each L-shaped long copper bar in a horizontal row; three wires led out from the starting end of the U-phase first winding, the starting end of the V-phase first winding and the starting end of the W-phase first winding of the generator are fixed in the third wiring holes from the upper left of the three L-shaped long copper bars from left to right in a one-to-one correspondence manner;
four L-shaped short copper bars are arranged in a line from left to right on the front panel of the upper box, four wiring holes are respectively arranged on the vertical surface of each L-shaped short copper bar in a parallel manner, and the distance between two adjacent L-shaped short copper bars is the same as that between the wiring holes on each L-shaped short copper bar; three wires led out from the starting end of the U-phase second winding, the starting end of the V-phase second winding and the starting end of the W-phase second winding of the generator are fixed in a one-to-one correspondence manner through a left third wiring hole on a left first L-shaped short copper bar, a left third wiring hole on a left second L-shaped short copper bar and a left third wiring hole on a left third L-shaped short copper bar;
a linear copper bar is horizontally arranged in the middle of the top surface of the bottom plate of the lower box in the longitudinal direction, sixteen mounting holes are formed in the surface of the linear copper bar in a mode of two rows and eight columns, and the distance between every two rows of mounting holes is the same as that between wiring holes in every L-shaped short copper bar; three leads led out from the tail end of a U-phase second winding, the tail end of a V-phase second winding and the tail end of a W-phase second winding of the generator are fixed in a one-to-one correspondence manner through the mounting holes in the front row of the second column from the left, the mounting holes in the front row of the fourth column from the left and the mounting holes in the front row of the sixth column from the left; one end of a zero line is fixed in a mounting hole of the front row of the seventh row from the left, and the other end of the zero line passes through a through hole formed in the right side of the supporting plate and then is fixed in a first wiring hole formed in the left side of the L-shaped short copper bar on the rightmost side;
when a single-circuit fire-inlet high-voltage connection is carried out, three leads led out from the tail end of a U-phase first winding, the tail end of a V-phase first winding and the tail end of a W-phase first winding of the generator are fixed in a first wiring hole which is arranged on a first L-shaped short copper bar from the left, a first wiring hole which is arranged on a second L-shaped short copper bar from the left and a first wiring hole which is arranged on a third L-shaped short copper bar from the left in a one-to-one correspondence manner;
when two-way fire feeding high-voltage wiring is carried out, three leads led out from the tail end of a U-phase first winding, the tail end of a V-phase first winding and the tail end of a W-phase first winding of the generator are fixed in first wiring holes from the left to the right of three L-shaped long copper bars in a one-to-one correspondence mode, and then four L-shaped short copper bars are connected into a whole through one connecting copper bar.
2. The wiring structure in the outlet box of a dual-voltage rapid-switching generator as claimed in claim 1, wherein three L-shaped long copper bars are mounted on the supporting plate through a pair of vertical insulating columns respectively.
3. The wiring structure in the outlet box of a dual voltage fast switching generator as claimed in claim 1, wherein four L-shaped short copper bars are each mounted on the front panel of said upper box by a pair of longitudinal insulating posts.
4. The wiring structure in the outlet box of the double-voltage rapid-conversion generator as claimed in claim 1, wherein the mounting holes of the first row from the left and the second row from the left of the I-shaped copper bar are respectively provided with a vertical insulating column, the mounting holes of the first row from the right and the second row from the right of the I-shaped copper bar are respectively provided with a vertical insulating column, and four vertical insulating columns are fixed on the bottom plate of the lower box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049204.1U CN212412930U (en) | 2020-06-09 | 2020-06-09 | Wiring structure in outlet box of double-voltage rapid conversion generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049204.1U CN212412930U (en) | 2020-06-09 | 2020-06-09 | Wiring structure in outlet box of double-voltage rapid conversion generator |
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| CN212412930U true CN212412930U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021049204.1U Active CN212412930U (en) | 2020-06-09 | 2020-06-09 | Wiring structure in outlet box of double-voltage rapid conversion generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113765260A (en) * | 2021-09-26 | 2021-12-07 | 河北新四达电机股份有限公司 | Stator wiring method and stator structure |
| CN114244001A (en) * | 2021-11-02 | 2022-03-25 | 镇江中船现代发电设备有限公司 | Multi-voltage output device of twelve-phase rectifier generator |
-
2020
- 2020-06-09 CN CN202021049204.1U patent/CN212412930U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113765260A (en) * | 2021-09-26 | 2021-12-07 | 河北新四达电机股份有限公司 | Stator wiring method and stator structure |
| CN113765260B (en) * | 2021-09-26 | 2023-11-24 | 河北新四达电机股份有限公司 | Stator wiring method and stator structure |
| CN114244001A (en) * | 2021-11-02 | 2022-03-25 | 镇江中船现代发电设备有限公司 | Multi-voltage output device of twelve-phase rectifier generator |
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