CN220964674U - Handcart type high-voltage soft starter - Google Patents
Handcart type high-voltage soft starter Download PDFInfo
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- CN220964674U CN220964674U CN202323031527.4U CN202323031527U CN220964674U CN 220964674 U CN220964674 U CN 220964674U CN 202323031527 U CN202323031527 U CN 202323031527U CN 220964674 U CN220964674 U CN 220964674U
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- 239000007858 starting material Substances 0.000 title claims abstract description 35
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model belongs to the field of motor control, and discloses a handcart type high-voltage soft starter, which comprises a frame; a plurality of support plates are arranged inside the frame; a panel is arranged in the top end of the frame, a voltage transformer with a suspended bottom is arranged on the back surface of the panel, and a high-voltage explosion-proof main board and a high-voltage explosion-proof power board are fixedly arranged on the front surface of the panel; the three-phase thyristor module, the network measuring contactor, the bypass contactor and the zero sequence current transformer are sequentially and fixedly arranged on the supporting plate, and the three-phase thyristor module is positioned under the voltage transformer; a three-phase current transformer is arranged on the lower surface of a cross beam at the top end of the frame, a pin mounting beam is arranged on a vertical beam of the frame, and an incoming wire pin and an outgoing wire pin are arranged on the pin mounting beam; an electric control cabin is arranged on the outer surface of one side of the frame; the bottom of the frame is provided with a moving device; the miniature design of the high-voltage soft starter is realized, the structural size of the explosion-proof bin is greatly reduced, the cost is effectively reduced, and the network measurement contactor is increased, so that the soft start starting process is safe and reliable.
Description
Technical Field
The utility model belongs to the field of motor control, and relates to a handcart type high-voltage soft starter.
Background
The high-voltage antiriot soft starter is a motor control device integrating soft start, soft stop and multifunctional protection of a motor and is widely applied to the fields of mine, chemical industry, mechanical manufacturing and the like.
At present, the general high-voltage soft starter has large integral size, inconvenient movement, high cost, unreasonable arrangement position of internal components of the device, and easy electromagnetic interference generated by overlapping and crossing between a main circuit and an auxiliary circuit, thereby not only affecting control signals, but also increasing the maintenance difficulty.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide a handcart type high-voltage soft starter.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
A handcart type high-voltage soft starter comprises a frame; a plurality of support plates are arranged inside the frame; a panel is arranged in the top end of the frame, a voltage transformer with a suspended bottom is arranged on the back surface of the panel, and a high-voltage explosion-proof main board and a high-voltage explosion-proof power board are fixedly arranged on the front surface of the panel; the three-phase thyristor module, the network measuring contactor, the bypass contactor and the zero sequence current transformer are sequentially and fixedly arranged on the supporting plate, and the three-phase thyristor module is positioned under the voltage transformer; a three-phase current transformer is arranged on the lower surface of a cross beam at the top end of the frame, a pin mounting beam is arranged on a vertical beam of the frame, and an incoming wire pin and an outgoing wire pin are arranged on the pin mounting beam; an electric control cabin is arranged on the outer surface of one side of the frame; the bottom of the frame is provided with a moving device; the high-voltage fusing fuse is arranged at the upper right of the network measuring contactor and is positioned at the lower left of the voltage transformer; the wire inlet contact pin is sequentially connected with a three-phase current transformer, a network measurement contactor, a bypass contactor and a high-voltage fusing fuse; the high-voltage fusing fuse is sequentially connected with the voltage transformer and the bypass contactor; the network measurement contactor is sequentially connected with the three-phase thyristor module, the bypass contactor, the zero sequence current transformer and the outlet contact pin; the electric control cabin is sequentially connected with the secondary side of the three-phase current transformer, the secondary side of the network measuring contactor, the secondary side of the bypass contactor, the secondary side of the voltage transformer and the high-voltage explosion-proof main board; the high-voltage explosion-proof power panel is sequentially connected with the three-phase thyristor module and the high-voltage explosion-proof main board.
Optionally, the moving device comprises a plurality of transfer wheels arranged at the bottom of the frame.
Optionally, a plurality of mounting holes are formed in the bottom of the frame; the transfer wheels are connected with the mounting holes through bolts respectively.
Optionally, the frame is a sheet metal shell frame.
Optionally, a U-shaped groove is formed in the vertical beam of the frame, and the pin mounting beam is slidably arranged in the U-shaped groove.
Optionally, the electrical control cabin is slidably connected to the frame.
Optionally, a gap is reserved between the zero sequence current transformer and a vertical beam of the frame.
Optionally, the bottom of voltage transformer sets up metal base, metal base and panel back bolted connection, and high-voltage explosion-proof mainboard and high-voltage explosion-proof power supply board pass through the screw and are connected with the panel front.
Optionally, the three-phase current transformer, the network measurement contactor and the bypass contactor are connected by adopting cables, the high-voltage fusing fuse is connected with the voltage transformer by copper bars, and the network measurement contactor is sequentially connected with the three-phase thyristor module, the bypass contactor and the zero sequence current transformer by cables.
Compared with the prior art, the utility model has the following beneficial effects:
The handcart type high-voltage soft starter is based on the position layout of a voltage transformer, a three-phase thyristor module network measuring contactor, a bypass contactor, a zero sequence current transformer, a three-phase current transformer, a high-voltage fusing fuse, an electric control cabin, a high-voltage explosion-proof main board and a high-voltage explosion-proof power board, fully utilizes the internal space of a frame, realizes the miniaturization design of the high-voltage soft starter, greatly reduces the structural size of the explosion-proof cabin and effectively reduces the cost. Through setting up mobile device in the frame bottom, compare in traditional mode that adopts the slip propulsion, can make things convenient for the propulsion operation of high-pressure soft starter in explosion-proof storehouse and take out to overhaul, very big promotion flexibility and portability. In addition, each part of the high-voltage soft starter is subjected to modularization distinction, so that the scheme is optimized and upgraded at a later stage, and the structure of the high-voltage soft starter is improved. In addition, a network measurement contactor is added, so that the starting process of soft start is safe and reliable.
Drawings
FIG. 1 is a schematic diagram of a handcart type high-voltage soft starter according to the present utility model;
FIG. 2 is a schematic side view of a high voltage soft starter of the present utility model;
fig. 3 is a schematic top view of the handcart type high-voltage soft starter of the present utility model.
Fig. 4 is a schematic front view of the handcart type high-voltage soft starter of the present utility model.
Wherein: 1-a transfer wheel; 2-a frame; 3-supporting plates; 4-a voltage transformer; 5-panels; 6-a metal base; 7-a three-phase thyristor module; 8-a network measurement contactor; 9-bypass contactor; 10-zero sequence current transformer; 11-a three-phase current transformer; 12-vertical beams; 13-a cross beam; 14-pin mounting beams; 15-an electrical control cabin; 16-a high-voltage explosion-proof main board; 17-a high-voltage explosion-proof power panel; 18-high voltage fusing the fuse; 19-copper plate; 20-a cable; 21-insulating struts; 22-a protective baffle; 23-cross beam.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model is described in further detail below with reference to the attached drawing figures:
Referring to fig. 1 to 4, in one embodiment of the present utility model, a cart type high voltage soft starter is provided, which enables rational layout of internal components and reduces the overall size.
The handcart type high-voltage soft starter comprises a frame 2; a plurality of support plates 3 are arranged inside the frame 2; a panel 5 is arranged in the top end of the frame 2, a voltage transformer 4 with a suspended bottom is arranged on the back surface of the panel 5, and a high-voltage explosion-proof main board 16 and a high-voltage explosion-proof power board 17 are fixedly arranged on the front surface; the three-phase thyristor module 7, the network measuring contactor 8, the bypass contactor 9 and the zero sequence current transformer 10 are sequentially and fixedly arranged on the supporting plate 3, and the three-phase thyristor module 7 is positioned under the voltage transformer 4; a three-phase current transformer 11 is arranged on the lower surface of a cross beam 13 at the top end of the frame 2, a pin mounting beam 14 is arranged on a vertical beam 12 of the frame 2, and an incoming wire pin and an outgoing wire pin are arranged on the pin mounting beam 14; an electric control cabin 15 is arranged on the outer surface of one side of the frame 2; the bottom of the frame 2 is provided with a moving device; the high voltage fuse 18 is disposed above and to the right of the net contactor 8 and below and to the left of the voltage transformer 4.
The wire inlet contact pin is sequentially connected with a three-phase current transformer 11, a network measurement contactor 8, a bypass contactor 9 and a high-voltage fusing fuse 18; the high-voltage fusing fuse 18 is sequentially connected with the voltage transformer 4 and the bypass contactor 9; the network measurement contactor 8 is sequentially connected with the three-phase thyristor module 7, the bypass contactor 9, the zero sequence current transformer 10 and the outlet contact pin; the electric control cabin 15 is sequentially connected with the secondary side of the three-phase current transformer 11, the secondary side of the network measuring contactor 8, the secondary side of the bypass contactor 9, the secondary side of the voltage transformer 4 and the high-voltage explosion-proof main board 16; the high-voltage explosion-proof power board 17 is sequentially connected with the three-phase thyristor module 7 and the high-voltage explosion-proof main board 16.
In a possible embodiment, the moving means comprise several transfer wheels 1 arranged at the bottom of the frame 2. Optionally, a plurality of mounting holes are formed in the bottom of the frame 2; the transfer wheels 1 are respectively connected with the mounting holes through bolts.
Specifically, the transfer wheel 1 is fixed at the bottom of the frame 2 through nuts, and then the holes reserved on the left side and the right side of the two support plates 3 at the bottom are matched with the holes on the side beams of the frame 2 and the nuts are tightened, so that the foundation of the high-voltage soft starter is built and can be pushed back and forth.
In one possible embodiment, the frame 2 is a sheet metal housing frame.
In one possible embodiment, the vertical beam 12 of the frame 2 is provided with a U-shaped groove, and the pin mounting beam 14 is slidably disposed in the U-shaped groove.
Specifically, based on the sliding design of the pin installation beam 14, the pin cross beam 14 can be adjusted back and forth up and down and left and right, so that the wire inlet pins and the wire outlet pins arranged on the pin installation beam 14 can be in seamless butt joint with jacks in an explosion-proof bin of the high-voltage soft starter.
In one possible embodiment, the electrical control pod 15 is slidingly coupled to the frame 2.
In one possible embodiment, a gap is reserved between the zero sequence current transformer 10 and the vertical beam 12 of the frame 2, so as to facilitate the routing of the zero sequence current transformer 10.
In a possible implementation manner, the bottom of the voltage transformer 4 is provided with a metal base 6, the metal base 6 is connected with the back of the panel 5 through bolts, and the high-voltage explosion-proof main board 16 and the high-voltage explosion-proof power board 17 are connected with the front of the panel 5 through screws, so that stable fixing of all components is ensured.
In one possible implementation manner, the three-phase current transformer 11, the network measurement contactor 8 and the bypass contactor 9 are connected by adopting a cable 20, the high-voltage fusing fuse 18 and the voltage transformer 4 are connected by a copper bar 19, and the network measurement contactor 8 is sequentially connected with the three-phase thyristor module 7, the bypass contactor 9 and the zero sequence current transformer 10 by adopting the cable 20.
Specifically, a power supply is introduced into the wire inlet pin, and the wire inlet pin is connected with a current transformer 11 through a cable 20 to measure the current in a loop and then connected with the wire inlet terminals of the main contacts of the network measurement contactor 8 and the bypass contactor 9, meanwhile, the voltage transformer 4 is connected with the high-voltage fuse 18 and the wire inlet terminals of the main contacts of the bypass contactor 9 through a copper bar 19, and the secondary side of the voltage transformer 4 can be used as a power supply of a control part and also can be used as a synchronous signal of main board sampling; the main contact outgoing line connection terminal of the network measurement contactor 8 is connected with the incoming line connection terminal of the thyristor module 7, and then the outgoing line connection terminal of the thyristor module 7 and the main contact outgoing line connection terminal of the bypass contactor 9 are connected to an outgoing line contact pin together through a cable 20. Wherein, the copper bar can adopt TMY-5 x 40mm 2 or TMY-3 x 30mm 2, and the cable line can adopt JFEYH-10 120mm 2.
The insulating support column 21 is positioned right below the cross beam 23, and is mainly used for connecting the copper bars 19 between the fixed devices, so that the trolley is prevented from swinging back and forth in the pushing process, and the copper bars 19 are subjected to torsion so as to damage the net measuring contactor 8 and the high-voltage fuse wire 18; the protective baffle 22 is disposed right in front of the high-voltage explosion-proof main board 16 and the high-voltage explosion-proof power board 17, and mainly protects the high-voltage explosion-proof main board 16 and the high-voltage power board 17.
In one possible embodiment, the handcart type high-voltage soft starter is installed as follows:
Firstly, the transfer wheel 1 is fixed at the bottom of the frame 2 through nuts, and then holes reserved on the left side and the right side of two support plates 3 at the bottom are aligned with holes on side beams of the frame 2, and the nuts are tightened. Thus, the foundation of the high-voltage soft starter is built, and the high-voltage soft starter can be pushed back and forth. And then the voltage transformer 4 is vertically and vertically arranged on the back of the panel 5 in a hanging way, the metal base 6 at the bottom of the voltage transformer 4 is aligned with the back reserved hole of the panel 5 and passes through a screw rod to tighten nuts, and the high-voltage explosion-proof main board 16 and the high-voltage explosion-proof power board 17 are respectively fixed on the front of the panel 5 through screws. The three-phase thyristor module 7 is arranged right below the voltage transformer 4 and fixed on the supporting plate 3, then the network measuring contactor 8 and the bypass contactor 9 are sequentially arranged from right to left on the left side of the thyristor module 7, the bottom of the thyristor module is fixed on the supporting plate 3 through screws, the base of the zero-sequence current transformer 10 is also fixed with the supporting plate 3 through screws, and the zero-sequence current transformer is kept at a distance from the vertical beam 12 on the rear side to facilitate wiring. The three-phase current transformer 11 is arranged on a beam 13 on the upper side of the frame 2; the contact pin mounting beam 14 is placed into the washed U-shaped groove of the vertical beam 12 at the rear side of the frame 2, and the contact pin cross beam 14 can be adjusted back and forth up and down and left and right, so that the wire inlet contact pin and the wire outlet contact pin on the contact pin can be in seamless butt joint with the insertion holes in the explosion-proof bin. An electric control cabin 15 (components of the electric control section) is mounted on the left side of the frame 2 so as to be movable and fixed on the frame 2.
In the soft start of the handcart type high-voltage soft starter, an incoming contact pin and an outgoing contact pin are connected with a main power supply and a load respectively, a coil of a network measurement contactor 8 is electrified with a main contact closed main loop firstly in the start process, and then the thyristor module 7 is controlled to conduct the load to start slowly; when the load reaches full voltage, the bypass contactor 9 is closed, the bypass contactor 9 coil is electrified, the bypass main contact is closed, the load normally operates, and after a while, the thyristor module 7 stops conducting. During soft stop, the coil of the bypass contactor 9 is firstly deenergized, then the thyristor module 7 is controlled to output voltage so as to slowly slow down the load until the cut-off voltage load stops, and then the network contactor 8 is disconnected.
The above is only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the claims of the present utility model.
Claims (9)
1. A handcart type high-voltage soft starter, which is characterized by comprising a frame (2);
A plurality of support plates (3) are arranged inside the frame (2); a panel (5) is arranged inside the top end of the frame (2), a voltage transformer (4) with a suspended bottom is arranged on the back surface of the panel (5), and a high-voltage explosion-proof main board (16) and a high-voltage explosion-proof power board (17) are fixedly arranged on the front surface of the panel; a three-phase thyristor module (7), a network measurement contactor (8), a bypass contactor (9) and a zero sequence current transformer (10) are sequentially and fixedly arranged on the supporting plate (3), and the three-phase thyristor module (7) is positioned under the voltage transformer (4); a three-phase current transformer (11) is arranged on the lower surface of a cross beam (13) at the top end of the frame (2), a pin mounting beam (14) is arranged on a vertical beam (12) of the frame (2), and an incoming pin and an outgoing pin are arranged on the pin mounting beam (14); an electric control cabin (15) is arranged on the outer surface of one side of the frame (2); the bottom of the frame (2) is provided with a moving device; the high-voltage fusing fuse (18) is arranged at the upper right of the network measuring contactor (8) and is positioned at the lower left of the voltage transformer (4);
the wire inlet contact pin is sequentially connected with a three-phase current transformer (11), a network measurement contactor (8), a bypass contactor (9) and a high-voltage fusing fuse (18);
The high-voltage fusing fuse (18) is sequentially connected with the voltage transformer (4) and the bypass contactor (9);
The network measurement contactor (8) is sequentially connected with the three-phase thyristor module (7), the bypass contactor (9), the zero sequence current transformer (10) and the outlet contact pin;
The electric control cabin (15) is sequentially connected with the secondary side of the three-phase current transformer (11), the secondary side of the network measurement contactor (8), the secondary side of the bypass contactor (9), the secondary side of the voltage transformer (4) and the high-voltage explosion-proof main board (16);
The high-voltage explosion-proof power panel (17) is sequentially connected with the three-phase thyristor module (7) and the high-voltage explosion-proof main board (16).
2. The trolley type high-voltage soft starter according to claim 1, characterized in that the moving means comprise a number of transfer wheels (1) arranged at the bottom of the frame (2).
3. The handcart type high-voltage soft starter according to claim 2, characterized in that the bottom of the frame (2) is provided with a plurality of mounting holes; the transfer wheels (1) are respectively connected with the mounting holes through bolts.
4. The trolley type high-voltage soft starter according to claim 1, characterized in that the frame (2) is a sheet metal housing frame.
5. The handcart-type high-voltage soft starter according to claim 1, wherein the vertical beam (12) of the frame (2) is provided with a U-shaped groove, and the contact pin mounting beam (14) is slidably arranged in the U-shaped groove.
6. The trolley type high-voltage soft starter according to claim 1, characterized in that the electric control cabin (15) is slidingly connected to the frame (2).
7. The handcart-type high-voltage soft starter according to claim 1, characterized in that a gap is reserved between the zero sequence current transformer (10) and a vertical beam (12) of a frame (2).
8. The handcart-type high-voltage soft starter according to claim 1, wherein a metal base (6) is arranged at the bottom of the voltage transformer (4), the metal base (6) is connected with the back of the panel (5) through bolts, and the high-voltage explosion-proof main board (16) and the high-voltage explosion-proof power board (17) are connected with the front of the panel (5) through screws.
9. The handcart-type high-voltage soft starter according to claim 1, characterized in that the three-phase current transformer (11), the network measurement contactor (8) and the bypass contactor (9) are connected by adopting a cable (20), the high-voltage fusing fuse (18) and the voltage transformer (4) are connected by a copper bar (19), and the network measurement contactor (8) is sequentially connected with the three-phase thyristor module (7), the bypass contactor (9) and the zero sequence current transformer (10) by the cable (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323031527.4U CN220964674U (en) | 2023-11-09 | 2023-11-09 | Handcart type high-voltage soft starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323031527.4U CN220964674U (en) | 2023-11-09 | 2023-11-09 | Handcart type high-voltage soft starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220964674U true CN220964674U (en) | 2024-05-14 |
Family
ID=91021464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323031527.4U Active CN220964674U (en) | 2023-11-09 | 2023-11-09 | Handcart type high-voltage soft starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220964674U (en) |
-
2023
- 2023-11-09 CN CN202323031527.4U patent/CN220964674U/en active Active
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