CN218941581U - Soft starter with strong anti-interference - Google Patents
Soft starter with strong anti-interference Download PDFInfo
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- CN218941581U CN218941581U CN202223028670.3U CN202223028670U CN218941581U CN 218941581 U CN218941581 U CN 218941581U CN 202223028670 U CN202223028670 U CN 202223028670U CN 218941581 U CN218941581 U CN 218941581U
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- soft starter
- electromagnetic shielding
- seat
- baffle ring
- fixedly connected
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Abstract
The utility model discloses a soft starter with strong anti-interference, which belongs to the field of soft starters and comprises an installation frame seat, wherein an anti-interference mechanism is arranged on the top surface of the installation frame seat, the installation frame seat driving an electromagnetic shielding seat is installed in a power distribution room or a power distribution cabinet in advance, when the soft starter body is required to be used, the soft starter body is installed on the electromagnetic shielding seat, an electromagnetic shielding shell is installed on the electromagnetic shielding seat through a connecting mechanism and covers the soft starter body, so that the anti-electromagnetic interference characteristic of the electromagnetic shielding shell is utilized to prevent the soft starter body from being subjected to electromagnetic interference when the soft starter body is used, the aim of improving the anti-electromagnetic interference strength of the soft starter body is fulfilled, finally, a radiating fin is installed in the electromagnetic shielding seat, the heat in the soft starter body can be rapidly led out according to the self heat conduction characteristic, and the heat dissipation performance of the soft starter body is further improved, and the normal use state of the soft starter body is ensured by improving the anti-interference performance and the heat dissipation performance of the soft starter body.
Description
Technical Field
The utility model relates to the field of soft starters, in particular to a soft starter with strong interference resistance.
Background
Soft starter refers generally to soft starter. The soft starter is a motor control device integrating the functions of soft start, soft stop, light load energy saving and various protection of the current collector. Not only is a smooth starting motor realized without impact during the whole starting process, but also parameters during the starting process, such as a current limiting value, starting time and the like, can be adjusted according to the characteristics of the motor load. The low voltage soft starter is a non-full voltage start, also known as an under-voltage start.
In the prior art, because the low-voltage soft starter is generally installed in a power distribution room or a power distribution cabinet, and more electronic and electric elements in the power distribution room and the power distribution cabinet, a plurality of electronic devices can form a strong electromagnetic interference field between the electronic devices in the running process, and a vacuum contactor and a vacuum circuit breaker used for the low-voltage soft starter can generate a large amount of electromagnetic interference in the breaking and closing processes of the vacuum contactor and the vacuum circuit breaker, so that the normal use of the soft starter can be seriously influenced under the electromagnetic interference.
Disclosure of Invention
The utility model mainly aims to provide a soft starter with strong interference resistance, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a soft starter that anti-interference is strong, includes the installing frame seat, the top surface of installing frame seat is equipped with anti-interference mechanism, and anti-interference mechanism includes electromagnetic shield seat, inside casing, fin and electromagnetic shield shell, electromagnetic shield seat fixed connection is at the top surface of installing frame seat, and inside casing fixed connection is in the inside of electromagnetic shield seat, fin fixed connection is at the top surface of inside casing, the top surface of electromagnetic shield seat still fixedly connected with soft starter body, and electromagnetic shield shell passes through the coupling mechanism fixed connection of both sides at the top surface of installing frame seat and is located the outside of soft starter body, and coupling mechanism includes connecting plate, first baffle ring, movable block, connecting rod, extension spring and second baffle ring, connecting plate fixed connection is in the both sides of electromagnetic shield shell, and the first baffle ring of fixedly connected with a set of symmetry in the left side wall of connecting plate, and the movable block passes through the slider swing joint of upper and lower extreme between first baffle ring and second baffle ring, connecting rod fixed connection is on the inside wall of connecting plate fixed connection and the extension spring, and C fixed connection.
Preferably, the electromagnetic shielding seat is fixedly installed on the top surface of the installation frame seat, the top surface of the electromagnetic shielding seat is provided with a heat dissipation opening, an inner frame is fixedly installed in the heat dissipation opening, the top surface of the inner frame is fixedly provided with heat dissipation fins, and a group of symmetrical clamping grooves are respectively formed in the side walls of two sides of the electromagnetic shielding seat.
Preferably, the front end wall and the rear end wall of the electromagnetic shielding shell are respectively provided with a wiring port, and the left side wall and the right side wall of the electromagnetic shielding shell are respectively provided with a group of symmetrical through holes.
Preferably, the connecting plate is fixedly arranged on the side walls of the left side and the right side of the electromagnetic shielding shell, a group of symmetrical through grooves are formed in the side walls of the connecting plate, and sliding grooves are respectively formed in the upper end and the lower end of the through grooves.
Preferably, the left notch of the through groove is internally and fixedly provided with a first baffle ring, and the right notch of the through groove is internally and fixedly provided with a second baffle ring.
Preferably, the movable block is located between the first baffle ring and the second baffle ring, the upper end and the lower end of the movable block are respectively fixedly provided with a sliding block, the sliding blocks are movably arranged in the sliding grooves, the left side wall of the movable block is fixedly provided with a connecting rod, the connecting rod sequentially penetrates through the first baffle ring and the through hole and extends into the clamping groove, the stretching spring is sleeved on the connecting rod and is fixedly arranged between the first baffle ring and the second baffle ring, the right side wall of the symmetrical movable block is fixedly provided with the second baffle ring, and the second baffle ring penetrates through the second baffle ring.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the mounting frame seat for driving the electromagnetic shielding seat is arranged in the power distribution room or the power distribution cabinet in advance, when the soft starter body is required to be used, the soft starter body is arranged on the electromagnetic shielding seat, the electromagnetic shielding shell is arranged on the electromagnetic shielding seat through the connecting mechanism and covers the soft starter body, so that the electromagnetic interference of the soft starter body is avoided when the soft starter body is used by utilizing the electromagnetic interference resistance of the electromagnetic shielding shell, the purpose of improving the electromagnetic interference resistance of the soft starter body is achieved, finally, the radiating fin is arranged in the electromagnetic shielding seat, the heat in the soft starter body can be rapidly led out according to the heat conduction characteristic of the soft starter body, and the heat dissipation performance of the soft starter body is improved, and the normal use state of the soft starter body is ensured by improving the anti-interference performance and the heat dissipation performance of the soft starter body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram illustrating the structural disassembly of the anti-interference mechanism of the present utility model;
fig. 3 is a schematic view illustrating the structure of the soft starter body according to the present utility model.
In the figure: 1. installing a frame seat; 2. an anti-interference mechanism; 3. a soft starter body; 4. an electromagnetic shielding seat; 5. a heat radiation port; 6. an inner frame; 7. a clamping groove; 8. a heat sink; 9. an electromagnetic shield case; 10. a wiring port; 11. a through hole; 12. a connecting mechanism; 13. a connecting plate; 14. a through groove; 15. a chute; 16. a first baffle ring; 17. a movable block; 18. a slide block; 19. a connecting rod; 20. a tension spring; 21. a second baffle ring; 22. c-shaped rod.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, a soft starter with strong anti-interference comprises a mounting frame seat 1, the top surface of the mounting frame seat 1 is provided with an anti-interference mechanism 2, and the anti-interference mechanism 2 comprises an electromagnetic shielding seat 4, an inner frame 6, cooling fins 8 and an electromagnetic shielding shell 9, wherein the electromagnetic shielding seat 4 is fixedly connected to the top surface of the mounting frame seat 1, the inner frame 6 is fixedly connected to the inside of the electromagnetic shielding seat 4, the cooling fins 8 are fixedly connected to the top surface of the inner frame 6, the top surface of the electromagnetic shielding seat 4 is fixedly connected with a soft starter body 3, the electromagnetic shielding shell 9 is fixedly connected to the top surface of the mounting frame seat 1 through a connecting mechanism 12 on two sides and is positioned outside the soft starter body 3, the connecting mechanism 12 comprises a connecting plate 13, a first baffle ring 16, a movable block 17, a connecting rod 19, a tension spring 20 and a second baffle ring 21, the connecting plate 13 is fixedly connected to two sides of the electromagnetic shielding shell 9, a set of symmetrical first baffle rings 16 are fixedly connected to the left side wall of the connecting plate 13, a set of symmetrical second baffle rings 21 are fixedly connected to the right side wall of the connecting plate 13, and the movable block 17 is fixedly connected to the first baffle ring 16 and the second baffle ring 17 through a movable block 17 and a movable block 17 through a movable block 18, and a movable block 17 is fixedly connected to the second baffle ring 17 and a movable block 16.
As shown in fig. 1-3, in this embodiment, in order to enhance electromagnetic anti-interference performance of the soft starter body 3 in use by the anti-interference mechanism 2, and to facilitate mounting of the electromagnetic shield shell 9 to the outside of the soft starter body 3 by the connection mechanism 12 to cover the soft starter body 3, the electromagnetic shield seat 4 is fixedly mounted on the top surface of the mounting frame seat 1, the top surface of the electromagnetic shield seat 4 is provided with a heat dissipation opening 5, the inside of the heat dissipation opening 5 is fixedly mounted with an inner frame 6, the top surface of the inner frame 6 is fixedly mounted with a heat dissipation fin 8, two side walls of the electromagnetic shield seat 4 are respectively provided with a set of symmetrical clamping grooves 7, two front and rear end walls of the electromagnetic shield shell 9 are respectively provided with a wiring opening 10, two side walls of the electromagnetic shield shell 9 are respectively provided with a set of symmetrical through holes 11, the connection plate 13 is fixedly mounted on two side walls of the electromagnetic shield shell 9, a group of symmetrical through grooves 14 are formed in the side wall of the connecting plate 13, sliding grooves 15 are respectively formed in the upper end and the lower end of the groove of the through groove 14, a first baffle ring 16 is fixedly arranged in a left notch of the through groove 14, a second baffle ring 21 is fixedly arranged in a right notch of the through groove 14, a movable block 17 is positioned between the first baffle ring 16 and the second baffle ring 21, a sliding block 18 is respectively fixedly arranged at the upper end and the lower end of the movable block 17, the sliding block 18 is movably arranged in the sliding grooves 15, a connecting rod 19 is fixedly arranged on the left side wall of the movable block 17, the connecting rod 19 sequentially passes through the first baffle ring 16 and the through hole 11 and extends into the clamping groove 7, a tension spring 20 is sleeved on the connecting rod 19 and is fixedly arranged between the first baffle ring 16 and the second baffle ring 21, a second baffle ring 21 is fixedly arranged between the right side wall of the symmetrical movable block 17, the second stopper ring 21 passes through the second stopper ring 21;
the specific operation of the tamper resistant mechanism 2 and the soft starter body 3 is as follows: firstly, the mounting frame seat 1 is mounted in advance in a power distribution room or a power distribution cabinet where the soft starter body 3 needs to be mounted, when the soft starter body 3 needs to be used, the soft starter body 3 is fixedly mounted on the top surface of the electromagnetic shielding seat 4, the bottom surface is tightly attached to the top surface of the cooling fins 8 mounted on the inner frame 6 in the cooling hole 5 formed in the top surface of the electromagnetic shielding seat 4, heat generated by the soft starter body 3 during use is accelerated and exported through the heat conducting property of the cooling fins 8, then, the C-shaped rods 22 outside the connecting plates 13 mounted on two sides of the electromagnetic shielding shell 9 are manually pulled in opposite directions, at the moment, two ends of the C-shaped rods 22 penetrate through the second baffle rings 21 mounted in the through grooves 14 formed in the side walls of the connecting plates 13 and enable the movable blocks 17 to move outwards in the through grooves 14, and in the moving process of the movable blocks 17, the sliding blocks 18 arranged at the upper and lower ends of the movable block 17 are arranged in the sliding grooves 15 formed in the through grooves 14, the extension spring 20 arranged between the first baffle ring 16 and the second baffle ring 21 is forced to perform extension operation, the C-shaped rod 22 is continuously pulled until the front end part of the connecting rod 19 protruding from the inner side of the electromagnetic shielding shell 9 is retracted into the holes of the through holes 11 formed at the two sides of the electromagnetic shielding shell 9, then the electromagnetic shielding shell 9 is covered outside the soft starter body 3 and is arranged on the top surface of the mounting frame seat 1, the hand pulling the C-shaped rod 22 is released, the extension spring 20 at the moment is used for performing recovery retraction operation to drive the movable block 17 to move towards the inner side, the movable block 17 is used for gradually penetrating the connecting rod 19 arranged on the inner side wall through the first baffle ring 16 and inserting into the clamping groove 7 through the through holes 11 in the moving process, so that the electromagnetic shielding shell 9 is arranged outside the soft starter body 3, the connection port 10 formed on the electromagnetic shielding shell 9 is used for connecting the device to be connected with the soft starter body 3 in advance, and because the electromagnetic shielding shell 9 is covered outside the soft starter body 3, when the soft starter body 3 is used and an electromagnetic interference field appears outside, the electromagnetic shielding shell 9 can appear three different attenuation mechanisms according to the material characteristics of the electromagnetic shielding shell when the electromagnetic wave reaches the surface of the shielding material after passing through the propagation: one of which is the reflection attenuation at the entrance surface; secondly, the attenuation generated by electromagnetic waves which are absorbed by the electromagnetic wave material and enter the shielding body without being reflected; and thirdly, attenuation caused by multiple reflections of electromagnetic waves in the shielding body is achieved, so that electromagnetic interference resistance of the soft starter body 3 is enhanced.
The foregoing is only illustrative of the preferred embodiments of the present utility model and, although the present utility model has been described in detail with reference to the foregoing embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and equivalents of the features may be substituted for elements thereof without departing from the true spirit and scope of the utility model.
Claims (6)
1. The utility model provides a soft starter that interference immunity is strong, includes installing frame seat (1), its characterized in that: the top surface of the installation frame seat (1) is provided with an anti-interference mechanism (2), and the anti-interference mechanism (2) comprises an electromagnetic shielding seat (4), an inner frame (6), radiating fins (8) and an electromagnetic shielding shell (9), the electromagnetic shielding seat (4) is fixedly connected to the top surface of the installation frame seat (1), the inner frame (6) is fixedly connected to the inside of the electromagnetic shielding seat (4), the radiating fins (8) are fixedly connected to the top surface of the inner frame (6), the top surface of the electromagnetic shielding seat (4) is fixedly connected with a soft starter body (3), the electromagnetic shielding shell (9) is fixedly connected to the top surface of the installation frame seat (1) through connecting mechanisms (12) at two sides and is positioned outside the soft starter body (3), the connecting mechanisms (12) comprise connecting plates (13), first baffle rings (16), movable blocks (17), connecting rods (19), tension springs (20) and second baffle rings (21), the connecting plates (13) are fixedly connected to two sides of the electromagnetic shielding shell (9), the first baffle rings (16) are fixedly connected to the first baffle rings (13) in the left side walls of the connecting plates (13) respectively, the first baffle rings (13) are fixedly connected to the second baffle rings (21) through the connecting plates, and the movable block (17) is movably connected between the first baffle ring (16) and the second baffle ring (21) through the sliding blocks (18) at the upper end and the lower end, the connecting rod (19) is fixedly connected on the inner side wall of the movable block (17), the first baffle ring (16) and the movable block (17) are fixedly connected with the extension springs (20), and the symmetrical movable blocks (17) are fixedly connected through the C-shaped rods (22).
2. The tamper resistant soft starter of claim 1, wherein: the electromagnetic shielding seat (4) is fixedly arranged on the top surface of the installation frame seat (1), the top surface of the electromagnetic shielding seat (4) is provided with a heat dissipation opening (5), an inner frame (6) is fixedly arranged in the heat dissipation opening (5), the top surface of the inner frame (6) is fixedly provided with heat dissipation fins (8), and a group of symmetrical clamping grooves (7) are respectively formed in the side walls of the two sides of the electromagnetic shielding seat (4).
3. A tamper resistant soft starter as defined in claim 2, wherein: the front end wall and the rear end wall of the electromagnetic shielding shell (9) are respectively provided with a wiring port (10), and the left side wall and the right side wall of the electromagnetic shielding shell (9) are respectively provided with a group of symmetrical through holes (11).
4. A tamper resistant soft starter according to claim 3, wherein: the connecting plate (13) is fixedly arranged on the side walls of the left side and the right side of the electromagnetic shielding shell (9), a group of symmetrical through grooves (14) are formed in the side walls of the connecting plate (13), and sliding grooves (15) are respectively formed in the upper end and the lower end of the through grooves (14).
5. The tamper resistant soft starter of claim 4, wherein: a first baffle ring (16) is fixedly arranged in a left notch of the through groove (14), and a second baffle ring (21) is fixedly arranged in a right notch of the through groove (14).
6. The tamper resistant soft starter of claim 5, wherein: the movable block (17) is located between the first baffle ring (16) and the second baffle ring (21), the upper end and the lower end of the movable block (17) are respectively fixedly provided with a sliding block (18), the sliding blocks (18) are movably arranged in the sliding grooves (15), connecting rods (19) are fixedly arranged on the left side walls of the movable block (17), the connecting rods (19) sequentially penetrate through the first baffle ring (16) and the through holes (11) and extend into the clamping grooves (7), the extension springs (20) are sleeved on the connecting rods (19) and fixedly arranged between the first baffle ring (16) and the second baffle ring (21), the second baffle ring (21) is fixedly arranged between the right side walls of the symmetrical movable block (17), and the second baffle ring (21) penetrates through the second baffle ring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223028670.3U CN218941581U (en) | 2022-11-14 | 2022-11-14 | Soft starter with strong anti-interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223028670.3U CN218941581U (en) | 2022-11-14 | 2022-11-14 | Soft starter with strong anti-interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218941581U true CN218941581U (en) | 2023-04-28 |
Family
ID=86063156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223028670.3U Active CN218941581U (en) | 2022-11-14 | 2022-11-14 | Soft starter with strong anti-interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218941581U (en) |
-
2022
- 2022-11-14 CN CN202223028670.3U patent/CN218941581U/en active Active
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