Low-voltage solid-state soft start device

Abstract

The utility model discloses a low-voltage solid-state soft starting device which comprises a fixed back plate and a soft starter body fixedly installed on the fixed back plate, and fixing holes and vertical fixing grooves are formed in the positions, corresponding to the two corners of the top and the two corners of the bottom, of the fixed back plate respectively. A hanging plate which is of an integrated structure and bent backwards is arranged on the top of the fixing back plate, and the top of the hanging plate is perpendicularly in threaded connection with an adjusting bolt. The hanging plate and the adjusting bolt are arranged on the fixing back plate, the hanging plate is hung on the fixing frame in the starting cabinet, the height of the fixing back plate can be adjusted by screwing the adjusting bolt so as to adjust the height position of the fixing hole, the fixing hole in the fixing frame in the starting cabinet can be aligned conveniently, lifting is not needed, one person can complete operation independently, time and labor are saved in operation, and installation is convenient. By arranging the upper baffle plate, the lower baffle plate and the side baffle plate around the low-voltage soft starter, the heat dissipation spacing not less than 100mm is forcibly reserved, the heat dissipation space is prevented from being occupied by installing other components around, the sufficient heat dissipation is ensured, and the use safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor control device technical field, concretely is a kind of low-voltage solid-state soft start device. BACKGROUND

[0002] Low-voltage solid-state soft starter is a kind of motor control device used in non-speed-regulating drag control of motor.Soft start is non-full voltage start, also called under-voltage start, it is a kind of way relative to full voltage hard start.The starting current of large load electrical appliance is very large, this not only requires high starting equipment, and the impact on circuit is also very large, so large equipment usually adopts soft start mode.

[0003] Low-voltage solid-state soft starter is heavy, the fixing back plate and the fixing frame in the starting cabinet of existing low-voltage solid-state soft starter are directly connected by bolt and nut, if single person holds up low-voltage solid-state soft starter and aligns installation bolt during installation, it is very laborious to hold up with one hand and install with one hand, needs to be completed by two people cooperation, but starting cabinet is usually small in space, difficult to accommodate two people to operate simultaneously, so installation is inconvenient;

[0004] In addition, low-voltage solid-state soft starter usually requires installation, and the heat dissipation spacing around is not less than 100mm, and the heat dissipation spacing around is not less than 150mm in part, but in actual use, because of the space limitation of starting cabinet, installation layout limitation and the risk of engineer installation is neglected, the heat dissipation spacing around of many low-voltage solid-state soft starters cannot be guaranteed, which brings great risk to low-voltage solid-state soft start circuit, light circuit damage, heavy electrical fire, there is security risk. INVENTION CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a kind of low-voltage solid-state soft start device, to solve the problems of inconvenient installation and the heat dissipation spacing around cannot be guaranteed of existing low-voltage solid-state soft starter.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A kind of low-voltage solid-state soft start device, including fixed back plate and soft starter main body fixedly installed on fixed back plate, the fixed back plate is respectively provided with fixed hole and vertical fixed slot at the position of two corners of top and two corners of bottom, the top of the fixed back plate is provided with the hanging plate of one-piece structure and bending back, the hanging plate top is vertically screw-threaded connection with adjusting bolt;

[0008] The upper portion of the soft starter main body is provided with the upper baffle parallel to the top of soft starter main body, L-shaped connecting plate one is supported on the top of hanging plate and screw-threaded sleeve on adjusting bolt on the upper baffle;

[0009] The lower baffle parallel to the bottom of the soft starter body is provided below the soft starter body, and the connecting plate two connected with the fixed groove through the bolt is arranged on the lower baffle.

[0010] The side baffle parallel to the side of the soft starter body is arranged on both sides of the soft starter body, and the connecting plate three and the connecting plate four connected with the fixed hole and the fixed groove through the bolt are respectively arranged on the two side baffles.

[0011] The heat dissipation grooves are arranged on the upper baffle, the lower baffle and the side baffle, and the vertical distance between the upper baffle, the lower baffle and the side baffle and the soft starter body is not less than 100 mm.

[0012] Preferably, the adjusting bolt and the connecting plate one are both two groups and are respectively arranged left-right symmetrically.

[0013] Preferably, the connecting plate two is two groups and is arranged left-right symmetrically, and the connecting plate two, the connecting plate three and the connecting plate four are parallel to the fixed back plate.

[0014] Preferably, the connecting plate two and the connecting plate three are respectively provided with the through hole corresponding to the fixed groove and the fixed hole, and the connecting plate four is L-shaped and is provided with the through groove corresponding to the fixed groove on the surface.

[0015] Preferably, the connecting plate one is an integral structure with the upper baffle, the connecting plate two is an integral structure with the lower baffle, and the connecting plate three and the connecting plate four are integral structures with the side baffle.

[0016] Preferably, the longitudinal width of the upper baffle, the lower baffle and the side baffle is not less than half of the longitudinal width of the soft starter body.

[0017] Compared with the prior art, the soft starter has the following beneficial effects:

[0018] The utility model discloses a fixing back plate, an adjusting bolt and a connecting plate one are arranged on the fixed back plate, the connecting plate one is connected with the fixed groove through the adjusting bolt, the fixed back plate is hung on the fixed frame in the starting cabinet, and the height of the fixed back plate is adjusted by screwing the adjusting bolt to adjust the height position of the fixed hole, so that the mounting hole on the fixed frame in the starting cabinet is conveniently aligned, the soft starter does not need to be lifted, and one person can independently complete the operation, which is time-saving and labor-saving and convenient to install. ACCURACY OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2The utility model discloses a fixed backplate and soft starter body front view;

[0021] Figure 3 The utility model discloses an upper baffle front view;

[0022] Figure 4 The utility model discloses a fixed backplate, soft starter body and upper baffle side view;

[0023] Figure 5 The utility model discloses an upper baffle bottom view;

[0024] Figure 6 The utility model discloses a lower baffle front view;

[0025] Figure 7 The utility model discloses a side baffle front view;

[0026] Figure 8 The utility model discloses a side baffle side view.

[0027] In the drawing: 1, fixed backplate;101, fixed hole;102, fixed groove;103, hanging plate;2, soft starter body;3, adjusting bolt;4, upper baffle;401, connecting plate one;5, lower baffle;501, connecting plate two;6, side baffle;601, connecting plate three;602, connecting plate four;7, heat dissipation groove;8, through -hole;9, through groove. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] As Figures 1-8 The utility model provides a kind of technical scheme: a low-voltage solid-state soft starting device, including fixed backplate 1 and the soft starter body 2 of fixed installation on fixed backplate 1, fixed backplate 1 is respectively provided with fixed hole 101 and vertical fixed groove 102 at corresponding top two corners and bottom two corners position, the top of fixed backplate 1 is provided with the hanging plate 103 of one body structure and bending back, and the top of hanging plate 103 is vertically connected with adjusting bolt 3;

[0030] The upper part of the soft starter body 2 is provided with an upper baffle plate 4 parallel to the top of the soft starter body 2, and the upper baffle plate 4 is provided with an L-shaped connecting plate one 401 supported on the top of the hanging plate 103 and screwed on the adjusting bolt 3, the connecting plate one 401 is an integral structure with the upper baffle plate 4, and the adjusting bolt 3 and the connecting plate one 401 are both provided with two groups and are both left-right symmetrical;

[0031] The lower part of the soft starter body 2 is provided with a lower baffle plate 5 parallel to the bottom of the soft starter body 2, and the lower baffle plate 5 is provided with a connecting plate two 501 connected to the fixed groove 102 through a bolt, the connecting plate two 501 is an integral structure with the lower baffle plate 5, and the connecting plate two 501 is provided with two groups and is left-right symmetrical;

[0032] Both sides of the soft starter body 2 are provided with side baffle plates 6 parallel to the side of the soft starter body 2, and the two side baffle plates 6 are respectively provided with a connecting plate three 601 and a connecting plate four 602 connected to the fixed hole 101 and the fixed groove 102 through a bolt, the connecting plate three 601 and the connecting plate four 602 are integral structures with the side baffle plate 6;

[0033] The upper baffle plate 4, the lower baffle plate 5 and the side baffle plate 6 are all provided with heat dissipation grooves 7, and the vertical distance between the upper baffle plate 4, the lower baffle plate 5 and the side baffle plate 6 and the soft starter body 2 is not less than 100mm, and the longitudinal width of the upper baffle plate 4, the lower baffle plate 5 and the side baffle plate 6 is not less than half of the longitudinal width of the soft starter body 2;

[0034] The connecting plate two 501 and the connecting plate three 601 are respectively provided with through holes 8 corresponding to the fixed groove 102 and the fixed hole 101, the connecting plate four 602 is L-shaped and is provided with a through groove 9 corresponding to the fixed groove 102 on the surface, and the connecting plate two 501, the connecting plate three 601 and the connecting plate four 602 are all parallel to the fixed back plate 1.

[0035] Working principle:

[0036] By setting the hanging plate 103 and the adjusting bolt 3 on the fixed back plate 1, hanging the hanging plate 103 on the fixed frame in the starting cabinet, and turning the adjusting bolt 3, the height of the fixed back plate 1 can be adjusted to adjust the height position of the fixed hole 101, which is convenient for aligning the mounting hole on the fixed frame in the starting cabinet, does not need to be lifted, and one person can complete it independently, which is time-saving and labor-saving, and convenient to install; By setting the upper baffle plate 4, the lower baffle plate 5 and the side baffle plate 6 around the low-voltage soft starter, a heat dissipation space not less than 100mm is forcibly reserved to prevent other components from occupying the heat dissipation space around, to ensure sufficient heat dissipation and safety in use.

[0037] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A low-voltage solid-state soft starter, comprising a fixed backplate (1) and a soft starter body (2) fixedly mounted on the fixed backplate (1), characterized in that: The fixed back plate (1) is provided with fixing holes (101) and vertical fixing grooves (102) at the two top corners and the two bottom corners respectively. The top of the fixed back plate (1) is provided with an integral structure and a backward-curved hanging plate (103). The top of the hanging plate (103) is vertically threaded with an adjusting bolt (3). The soft starter body (2) is provided with an upper baffle (4) parallel to the top of the soft starter body (2), and the upper baffle (4) is provided with an L-shaped connecting plate (401) supported on the top of the hanging plate (103) and threaded onto the adjusting bolt (3). The soft starter body (2) is provided with a lower baffle (5) parallel to the bottom of the soft starter body (2), and the lower baffle (5) is provided with a connecting plate two (501) that can be connected to the fixing groove (102) by bolts; Both sides of the soft starter body (2) are provided with side baffles (6) parallel to the side of the soft starter body (2). Each of the two side baffles (6) is provided with a connecting plate three (601) and a connecting plate four (602) that can be connected to the fixing hole (101) and the fixing groove (102) by bolts. The upper baffle (4), lower baffle (5) and side baffle (6) are all provided with heat dissipation grooves (7), and the vertical distance between the upper baffle (4), lower baffle (5) and side baffle (6) and the soft starter body (2) is not less than 100mm.

2. The low-voltage solid-state soft-start device according to claim 1, characterized in that: The adjusting bolt (3) and the connecting plate (401) are both in two sets and are symmetrically arranged on the left and right sides respectively.

3. The low-voltage solid-state soft-start device according to claim 1, characterized in that: There are two sets of connecting plates (501) arranged symmetrically on the left and right. Connecting plates (501), (601) and (602) are all parallel to the fixed back plate (1).

4. The low-voltage solid-state soft-start device according to claim 1, characterized in that: The second connecting plate (501) and the third connecting plate (601) are respectively provided with through holes (8) corresponding to the fixing groove (102) and the fixing hole (101), and the fourth connecting plate (602) is L-shaped and has through grooves (9) corresponding to the fixing groove (102) on its surface.

5. A low-voltage solid-state soft-start device according to claim 1, characterized in that: The first connecting plate (401) and the upper baffle (4) are an integral structure, the second connecting plate (501) and the lower baffle (5) are an integral structure, and the third connecting plate (601) and the fourth connecting plate (602) and the side baffle (6) are an integral structure.

6. The low-voltage solid-state soft-start device according to claim 1, characterized in that: The longitudinal width of the upper baffle (4), lower baffle (5) and side baffle (6) is not less than half the longitudinal width of the soft starter body (2).

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