CN216850539U

CN216850539U - Wiring structure and soft starter

Info

Publication number: CN216850539U
Application number: CN202122780050.4U
Authority: CN
Inventors: 张向伟; 阮冬华; 乔焕英; 陈伟孟
Original assignee: Noark Electrics Shanghai Co Ltd
Current assignee: Noark Electrics Shanghai Co Ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-28
Anticipated expiration: 2031-11-12

Abstract

A wiring structure comprises a shell and a circuit board arranged in the shell, wherein a wiring terminal and a supporting piece are respectively arranged at one end of the circuit board, a wiring opening corresponding to the wiring terminal is arranged on the shell, the wiring terminal comprises an installation part connected with the circuit board and a wiring part penetrating through the wiring opening and extending to the outer side of the shell, an operation hole is arranged at the top side of the wiring part, the supporting piece comprises a fixing part connected with the circuit board and a supporting part penetrating through the wiring opening and extending to the outer side of the shell, the supporting part is matched with the bottom side of the wiring part, the supporting piece connected with the circuit board is matched with the bottom side of the wiring part of the wiring terminal, when the wiring part is connected through the wiring hole at the top side, or when external force impact is borne, the wiring terminal can effectively bear pressure through the supporting piece, and the structure of the existing circuit board does not need to be changed, and the transverse length of the existing circuit board can be reduced, and the structure is more compact.

Description

Wiring structure and soft starter

Technical Field

The utility model relates to the field of low-voltage electric appliances, in particular to a wiring structure and a soft starter.

Background

The soft starter is commonly used for stepless speed regulation of the alternating current motor, and is also suitable for various industrial fields along with continuous extension of the application field of the power electronic technology, so that the market has higher and higher requirements on the performance of the soft starter. However, the terminal of the conventional soft starter is easily damaged, and since the terminal is usually directly inserted into the circuit board, when the terminal is connected to a lead, the terminal is screwed by using a tool such as a screwdriver, and if the operating force is too large, the terminal is easily cracked and broken, and the connection is poor. In addition, when the wiring is not needed, the wiring terminal is also easily damaged by external impact.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a wiring structure capable of effectively supporting a wiring terminal.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a wiring structure, its includes the casing and sets up the circuit board in the casing, is equipped with binding post and support piece respectively in the one end of circuit board, is equipped with the wiring opening that corresponds with binding post on the casing, binding post include with the installation department that the circuit board is connected, and pass the wiring portion in the casing outside is stretched to the wiring opening, is equipped with the handle hole in the top side of wiring portion, support piece includes the fixed part of being connected with the circuit board, and passes the supporting part in the casing outside is stretched to the wiring opening, the supporting part with the bottom side cooperation of wiring portion.

Preferably, the supporting piece and/or the circuit board are/is provided with a sliding groove structure, and the supporting piece is inserted in the circuit board through the sliding groove structure.

Preferably, an extension plate is provided at an outer side of the housing, and the extension plate is engaged with a bottom side of the supporting portion of the supporting member.

Preferably, the supporting part is provided with a dustproof cavity on one side far away from the wiring terminal, and the dustproof cavity is reversely buckled on the top side of the extension plate.

Preferably, the height of the fixing part of the supporting part is lower than that of the supporting part, a limit groove is arranged on one side, close to the fixing part, of the supporting part, and a limit step matched with the limit groove in a propping mode is arranged on the bottom side of the circuit board.

Preferably, one side of the fixed part, which is far away from the supporting part, is provided with an avoiding groove, and the avoiding groove is used for avoiding the circuit board.

Preferably, the tray is arranged below the circuit board, the second avoidance groove is formed in at least one end, in the avoidance groove, of the fixing part, and the second avoidance groove is used for avoiding the supporting column on the tray.

Preferably, the width of circuit board is greater than binding post's width, the circuit board corresponds and is equipped with the stiff end respectively at binding post's both ends, the both ends of support piece's fixed part are equipped with the fixed block respectively, the top side of fixed block is equipped with the spigot surface of slope respectively, the spout structure is including setting up the inboard spout of fixed block at both ends respectively, interference fit in the spout can be inserted respectively to the stiff end at circuit board both ends.

Preferably, the supporting part includes the top cover plate and is equipped with two side cover plates of relative setting in top cover plate bottom side, and two side cover plates are kept away from the one end of fixed part links to each other through the cowl respectively, and two side cover plates and cowl press respectively the top side of extension board, the last a plurality of operation holes that are equipped with of binding post, the length direction of top cover plate with the line direction parallel arrangement of a plurality of operation holes.

According to the wiring structure, the supporting piece connected with the circuit board is matched with the bottom side of the wiring part of the wiring terminal, when the wiring part is used for wiring through the wiring hole on the top side or bears external force impact, the wiring terminal can effectively bear pressure through the supporting piece, the structure of the existing circuit board does not need to be changed, even the transverse length of the existing circuit board can be reduced, and the structure is more compact.

In addition, support piece cooperates on the extension board through dustproof cavity back-off, not only can make the casing provide the supporting effect for support piece, and then for binding post provides better pressure-bearing effect, but also can improve the leakproofness of casing, prevent that particles such as dust from support piece entering casing inboard.

The utility model also provides a soft starter which comprises the wiring structure, wherein the shell comprises two side plates which are oppositely arranged, and a front baffle and a rear baffle which are respectively connected between the two ends of the two side plates, a fan is arranged below the front baffle, and the wiring opening is arranged on the front baffle; the radiator is characterized in that a control panel and a thyristor mechanism are further arranged in the shell, the thyristor mechanism is arranged on the radiator, an output copper bar and an input copper bar are respectively arranged at two ends of the thyristor mechanism, and a copper bar opening matched with the output copper bar is formed in the front baffle.

Drawings

Fig. 1 is a schematic structural view of a casing of the soft starter of the present invention;

FIG. 2 is a schematic view of the front baffle of the present invention in cooperation with a fan;

fig. 3 is a schematic structural diagram of the soft starter with the upper cover hidden according to the present invention;

FIG. 4 is a schematic view of the circuit board and front shield of the present invention;

FIG. 5 is a cross-sectional view of the circuit board of the present invention mated with a front shield;

FIG. 6 is an enlarged view of a portion of FIG. 5 of the present invention;

FIG. 7 is a schematic view of the circuit board and the support member of the present invention;

FIG. 8 is a schematic view of the top side of the support of the present invention;

FIG. 9 is a schematic structural view from another perspective of the top side of the support member of the present invention;

FIG. 10 is a schematic structural view of the tray of the present invention;

fig. 11 is a schematic structural view of the thyristor mechanism of the utility model.

Detailed Description

The following describes the embodiments of the wiring structure of the present invention with reference to the embodiments shown in fig. 1 to 11. The wiring structure of the present invention is not limited to the description of the following embodiments.

As shown in fig. 1 to 6, the wiring structure of the present invention includes a housing 1 and a wiring board 2 disposed in the housing 1, a wiring terminal 3 and a support member 4 are respectively disposed at one end of the wiring board 2, a wiring opening 30 corresponding to the wiring terminal 3 is disposed on the housing 1, the wiring terminal 3 includes a mounting portion 31 connected to the wiring board 2 and a wiring portion 32 extending to the outside of the housing 1 through the wiring opening 30, an operation hole 33 is disposed at the top side of the wiring portion 32, the support member 4 includes a fixing portion 41 connected to the wiring board 2 and a support portion 42 extending to the outside of the housing 1 through the wiring opening 30, and the support portion 42 is engaged with the bottom side of the wiring portion 32.

According to the wiring structure, the supporting piece 4 connected with the circuit board 2 is matched with the bottom side of the wiring part 32 of the wiring terminal 3, when the wiring part 32 is connected through the operation hole 33 on the top side or bears external force impact, the wiring terminal 3 can effectively bear pressure through the supporting piece 4, the structure of the existing circuit board 2 does not need to be changed, even the transverse length of the existing circuit board 2 can be reduced, and the structure is more compact.

As shown in fig. 1-4, the present invention further provides a soft starter, wherein the casing 1 comprises two side plates 11 arranged oppositely, and a front barrier 12 and a rear barrier 13 respectively connected between both ends of the two side plates 11, a fan 14 is arranged below the front baffle 12, an upper cover 15 is arranged on the top sides of the two side plates 11, the front baffle 12 and the rear baffle 13, the upper cover 15 is provided with a control panel 16, a control board (not shown in the figure) and a thyristor mechanism (fig. 11) are also arranged in the casing 1, the circuit board 2 of the embodiment is a power supply board for supplying power to the control board, the thyristor mechanism is arranged on the radiator 17, two ends of the thyristor mechanism are respectively provided with an output copper bar 18 and an input copper bar 19, the front baffle 12 is provided with the wiring opening 30, and the copper bar opening 10 is matched with the output copper bar 18, and the wiring terminal 3 and the supporting piece 4 respectively penetrate through the wiring opening 30 from the inner side of the front baffle 12 and extend to the outer side of the front baffle 12. Of course, the circuit board 2 may also be other circuit boards requiring wiring.

As shown in fig. 7 to 8, a sliding groove structure is provided on the supporting member 4 and/or the circuit board 2, and the supporting member 4 is inserted into the circuit board 2 through the sliding groove structure. Specifically, the width of circuit board 2 is greater than binding post 3's width, circuit board 2 correspond and are equipped with stiff end 21 respectively at binding post 3's both ends, the both ends of support piece 4's fixed part 41 are equipped with fixed block 22 respectively, the top side of fixed block 22 is equipped with the spigot surface 23 of slope respectively, the spout structure is including setting up respectively at the inboard spout 24 of both ends fixed block 22, interference fit in spout 24 can be inserted respectively to the stiff end 21 at circuit board 2 both ends.

It is understood that the fixing block 22 may also be disposed on the circuit board 2 to limit the position of the supporting member 4 inserted into the sliding groove 24. In addition, the fixed end 21 can also replace interference fit through other modes after being inserted into the sliding groove 24, for example, a buckle structure is arranged on the inner side of the sliding groove 24 to limit the position of the fixed end and the circuit board 2. Alternatively, the fixing block 22 is directly replaced by a snap structure, and the supporting member 4 is directly clamped on the circuit board 2 for limiting through the snap structure, which all belong to the protection scope of the present invention.

As shown in fig. 5 to 8, the extension plate 5 is disposed outside the front baffle 12 of the housing 1, and the extension plate 5 is engaged with the bottom side of the supporting portion 42 of the supporting member 4, so that the housing 1 distributes the pressure on the supporting member 4, thereby improving the strength of the supporting member 4 and providing a more excellent pressure-bearing effect.

Further, the supporting portion 42 is half box-shaped, the supporting portion 42 is provided with a dustproof cavity 6 on one side far away from the wiring terminal 3, and the dustproof cavity 6 is buckled on the top side of the extending plate 5. Support piece 4 cooperates on extension board 5 through 6 back-offs of dust cavity, not only can make casing 1 provide the supporting effect for support piece 4, and then for binding post 3 provides better pressure-bearing effect, but also can improve casing 1's leakproofness, prevent that particles such as dust from support piece 4 entering casing 1 inboard.

Specifically, the support portion 42 includes a top cover plate 61 and two side cover plates 62 oppositely disposed at the bottom side of the top cover plate 61, one ends of the two side cover plates 62 far away from the fixing portion 41 are respectively connected through a front cover plate 63, and the two side cover plates 62 and the front cover plate 63 are respectively pressed on the top sides of three sides of the extension plate 5 far away from the front baffle 12.

Preferably, a plurality of operation holes 33 are formed in the connecting terminal 3, the length direction of the top cover plate 61 is parallel to the connecting line direction of the plurality of operation holes 33, and the support member 4 of the flat plate structure can be in full contact with the connecting terminal 3, so that a better pressure bearing effect is provided. It is understood that the supporting members 4 may have other numbers and structures, for example, two supporting members 4 supporting both ends of the connecting terminal 3, and fall within the scope of the present invention.

Further, the height of the fixing portion 41 of the supporting member 4 is lower than that of the supporting portion 42, a limiting groove 43 is disposed on one side of the supporting portion 42 close to the fixing portion 41, and a limiting step 44 matched with the limiting groove 43 is disposed on the bottom side of the circuit board 2. The limiting direction of the limiting step 44 matched with the limiting groove 43 is perpendicular to the limiting direction of the sliding groove 24, so that the supporting piece 4 can be more reliably limited, and the supporting piece 4 is more firmly mounted on the circuit board 2.

Further, one side of the fixing portion 41, which is far away from the supporting portion 42, is provided with an avoiding groove 45, the avoiding groove 45 is used for avoiding the circuit board 2, the avoiding groove 45 can avoid interfering with the pins 20 of the plug connector used for connecting the external terminal on the circuit board 2 and other electronic components, and the fixing portion 41 connected between the fixing blocks 22 is ensured to have sufficient width and strength.

As shown in fig. 9 to 10, a tray 7 is disposed below the circuit board 2, a second avoiding groove 46 is disposed at least one end of the avoiding groove 45 of the fixing portion 41, the second avoiding groove 46 is used for avoiding a pillar 70 on the tray 7, the embodiment includes two symmetrically disposed second avoiding grooves 46, and the second avoiding grooves 46 are in a semicircular structure.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. A wiring structure characterized in that: including casing (1) and circuit board (2) of setting in casing (1), be equipped with binding post (3) and support piece (4) respectively in the one end of circuit board (2), be equipped with wiring opening (30) that correspond with binding post (3) on casing (1), binding post (3) include with installation department (31) that circuit board (2) are connected, and pass wiring portion (32) in casing (1) outside are stretched in wiring opening (30), are equipped with handle hole (33) on the top side of wiring portion (32), support piece (4) include fixed part (41) of being connected with circuit board (2), and pass supporting part (42) in casing (1) outside are stretched in wiring opening (30), supporting part (42) with the bottom side cooperation of wiring portion (32).

2. The wiring structure according to claim 1, wherein: the supporting piece (4) and/or the circuit board (2) are/is provided with a sliding groove structure, and the supporting piece (4) is inserted into the circuit board (2) through the sliding groove structure.

3. The wiring structure according to claim 1, wherein: an extension plate (5) is arranged on the outer side of the shell (1), and the extension plate (5) is matched with the bottom side of the supporting part (42) of the supporting part (4).

4. The wiring structure according to claim 3, wherein: the supporting portion (42) is provided with a dustproof cavity (6) on one side far away from the wiring terminal (3), and the dustproof cavity (6) is reversely buckled on the top side of the extension plate (5).

5. The wiring structure according to claim 1, wherein: the height of the fixing part (41) of the supporting part (4) is lower than that of the supporting part (42), one side of the supporting part (42) close to the fixing part (41) is provided with a limiting groove (43), and the bottom side of the circuit board (2) is provided with a limiting step (44) which abuts against the limiting groove (43) and is matched with the limiting step.

6. The wiring structure according to claim 1, wherein: one side that supporting part (42) was kept away from in fixed part (41) is equipped with dodges groove (45), dodge groove (45) and be used for dodging circuit board (2).

7. The wiring structure according to claim 6, wherein: the below of circuit board (2) is equipped with tray (7) fixed part (41) is equipped with the second in the at least one end of dodging groove (45) and dodges groove (46), and the second dodges groove (46) and is used for dodging pillar (70) on tray (7).

8. The wiring structure according to claim 2, wherein: the width of circuit board (2) is greater than the width of binding post (3), circuit board (2) correspond and are equipped with stiff end (21) respectively at the both ends of binding post (3), the both ends of fixed part (41) of support piece (4) are equipped with fixed block (22) respectively, the top side of fixed block (22) is equipped with spigot surface (23) of slope respectively, the spout structure is including setting up spout (24) at both ends fixed block (22) inboard respectively, interference fit in spout (24) can be inserted respectively in stiff end (21) at circuit board (2) both ends.

9. The wiring structure according to claim 4, wherein: supporting part (42) are including top cover plate (61) and be equipped with two side cover plate (62) of relative setting at top cover plate (61) bottom side, and two side cover plate (62) are kept away from the one end of fixed part (41) links to each other through cowl-top board (63) respectively, and two side cover plate (62) and cowl-top board (63) press respectively the top side of extension board (5), be equipped with a plurality of handle holes (33) on binding post (3), the length direction of top cover plate (61) with the line direction parallel arrangement of a plurality of handle holes (33).

10. A soft starter comprising the wiring structure of any one of claims 1 to 9, wherein: the shell (1) comprises two side plates (11) which are oppositely arranged, and a front baffle plate (12) and a rear baffle plate (13) which are respectively connected between the two ends of the two side plates (11), wherein a fan (14) is arranged below the front baffle plate (12), and the wiring opening (30) is arranged on the front baffle plate (12); still be equipped with control panel and thyristor mechanism in casing (1), thyristor mechanism sets up on radiator (17), and the both ends of thyristor mechanism are equipped with output copper bar (18) and input copper bar (19) respectively, be equipped with on preceding baffle (12) and with output copper bar (18) complex copper bar opening (10).