CN208707553U - A kind of High-reliability large-power soft starter for motor power of controlled silicon module - Google Patents

Abstract

The utility model discloses a kind of High-reliability large-power soft starter for motor power of controlled silicon modules, including crossover, controlled silicon chip, module copper soleplate, first tabletting, potsherd, first insulation sleeve, first pressing plate, second insulation sleeve, fixed screw, the pole G lead-out wire, the pole K leading point, second tabletting, first through hole, second through-hole, fixture nut, shell and third through-hole, the crossover is symmetrically fixed on the top two sides of module copper soleplate, corresponding second through-hole of the headstage ground of the crossover is by being welded with fixed screw, the utility model is a kind of High-reliability large-power soft starter for motor power of controlled silicon module, three groups of six high-power high voltages are silicon-controlled to be placed in a module cavity, six each parameters of controlled silicon chip are consistent, six high-power silicon controlled rectifier chips are being loaded on just in cavity block body by special crossover, module volume Less than three individual modules of same specification, product structure is reasonable, compact dimensions, installs simpler.

Description

A kind of High-reliability large-power soft starter for motor power of controlled silicon module

Technical field

The utility model relates to heavy-duty motor fittings equipment technical field, specially a kind of High-reliability large-power motor is soft Start power of controlled silicon module.

Background technique

With the fast development of motor control industry, soft starter for motor is for silicon controlled module reliability used and compactedness (motor soft start controller especially with bypass contactor type) and the requirement of service life are also higher and higher, currently on the market Soft starter for motor high-power silicon controlled rectifier module triplets are in parallel to be mounted in casing radiator simultaneously, two in each module One of them is anti-cartridge chip to a controlled silicon chip, and anti-cartridge chip heat dissipation performance is worse than positive cartridge chip, counter in the case of high current to fill Chip, which will cause chip overheating and voluntarily be connected, there is uncontrollable phenomenon, and six controlled silicon chip parameters in three modules are very It is difficult to guarantee unanimously, size of current different phenomenon inconsistent so as to cause three groups of opening time angles causes whole equipment to use the longevity Order it is short, exist simultaneously installation trouble problem.

Utility model content

The purpose of this utility model is to provide a kind of High-reliability large-power soft starter for motor power of controlled silicon modules, with solution Certainly the problems mentioned above in the background art.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions: a kind of High-reliability large-power motor Soft start power of controlled silicon module, including crossover, controlled silicon chip, module copper soleplate, the first tabletting, potsherd, the first insulation Set, the first pressing plate, the second insulation sleeve, the second pressing plate, fixed screw, the pole G lead-out wire, the pole K leading point, the second tabletting, first are led to Hole, the second through-hole, fixture nut, shell and third through-hole, the crossover are symmetrically fixed on the top two sides of module copper soleplate, institute The top for stating crossover opens up the second through-hole, and corresponding second through-hole of the headstage ground of the crossover is by being welded with fixed spiral shell The bottom end top side of crossover is arranged in silk, the controlled silicon chip, and first tabletting is fixed on the top side of controlled silicon chip, described Second insulation sleeve is covered on the top of the first tabletting, and the pole G lead-out wire is mounted on the inside of the first tabletting, second pressing plate It is fixed on the top of the second insulation sleeve, second pressing plate runs through the quadrangle of the second pressing plate, and fit module by fixed screw Screw hole inside copper soleplate is coupled, and the controlled silicon chip is mounted on the upside of the other side bottom end of crossover, second pressure Piece is fixed on the top side of controlled silicon chip, and first insulation sleeve is covered on the top of the second tabletting, the setting of the pole K leading point In the side of the second tabletting, first pressing plate is fixed on the top of the first insulation sleeve, and the fixed screw runs through the first pressing plate Quadrangle, and the screw hole inside fit module copper soleplate is coupled, and the outside of crossover is arranged in the shell, and is located at module The top side of copper soleplate, the bottom margin of the shell is equidistant to be uniformly provided with 8 first through hole, and the third through-hole is provided with The bottom of module copper soleplate.

Further, the shell is internally provided with 6 controlled silicon chips, and the controlled silicon chip combination of two passes through Crossover connects inverse parallel SCR AC switch in groups.

Further, the crossover realizes elastic connection by elastic bend part with controlled silicon chip.

Further, the pole welding ends of the pole K leading point is provided on the crossover, the pole G lead-out wire passes through the first pressure Lead is drawn in piece.

Further, group inverse parallel SCR AC switch is isolated added with multilayer in the shell, and silica gel is perfused.

Compared with prior art, the utility model beneficial effect achieved is: the utility model is a kind of highly reliable big Power motor soft start power of controlled silicon module, three groups of six high-power high voltages are silicon-controlled to be placed in a module cavity, and six Each parameter of controlled silicon chip is consistent, is being loaded on six high-power silicon controlled rectifier chips just in cavity block body by special crossover, module Volume is less than three individual modules of same specification, and product structure is reasonable, compact dimensions, installs simpler.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.

In the accompanying drawings:

Fig. 1 is the whole interior structural schematic diagram of the utility model；

Fig. 2 is the whole overlooking structure diagram of the utility model；

Fig. 3 is the circuit principle structure schematic diagram of the utility model；

In figure: 1, crossover；2, controlled silicon chip；3, module copper soleplate；4, the first tabletting；5, potsherd；6, the first insulation Set；7, the first pressing plate；8, the second insulation sleeve；9, the second pressing plate；10, fixed screw；11, the pole G lead-out wire；12, the pole K leading point； 13, the second tabletting；14, first through hole；15, the second through-hole；16, fixture nut；17, shell；18, third through-hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of High-reliability large-power soft starter for motor is controllable Silicon power module, including crossover 1, controlled silicon chip 2, module copper soleplate 3, the first tabletting 4, potsherd 5, the first insulation sleeve 6, One pressing plate 7, the second insulation sleeve 8, the second pressing plate 9, fixed screw 10, the pole G lead-out wire 11, the pole K leading point 12, the second tabletting 13, First through hole 14, the second through-hole 15, fixture nut 16, shell 17 and third through-hole 18, crossover 1 are symmetrically fixed on module copper soleplate 3 top two sides, the top of crossover 1 open up the second through-hole 15, and corresponding second through-hole 15 of the headstage ground of crossover 1 is solid by welding Surely there is fixed screw 10, the bottom end top side of crossover 1 is arranged in controlled silicon chip 2, and crossover 1 is curved by elasticity with controlled silicon chip 2 Pars convoluta realizes elastic connection, and the first tabletting 4 is fixed on the top side of controlled silicon chip 2, and the second insulation sleeve 8 is covered on the first tabletting 4 Top, the pole G lead-out wire 11 is mounted on the inside of the first tabletting 4, and the second pressing plate 9 is fixed on the top of the second insulation sleeve 8, second Pressing plate 9 runs through the quadrangle of the second pressing plate 9 by fixed screw 10, and the screw hole inside fit module copper soleplate 3 is coupled, can Control silicon chip 2 is mounted on the upside of the other side bottom end of crossover 1, and the second tabletting 13 is fixed on the top side of controlled silicon chip 2, and first absolutely Edge set 6 is covered on the top of the second tabletting 13, and the side of the second tabletting 13 is arranged in the pole K leading point 12, and the first pressing plate 7 is fixed on The top of first insulation sleeve 6, the pole welding ends of the pole K leading point 12 is provided on crossover 1, and the pole G lead-out wire 11 passes through the first tabletting 4 In lead draw, fixed screw 10 runs through the quadrangle of the first pressing plate 7, and the screw hole inside fit module copper soleplate 3 is coupled, The outside of crossover 1 is arranged in shell 17, and is located at the top side of module copper soleplate 3, and the bottom margin of shell 17 is equidistant uniformly to be opened Equipped with 8 first through hole 14, third through-hole 18 is provided with the bottom of module copper soleplate 3, and shell 17 is internally provided with 6 controllably Silicon chip 2,2 combination of two of controlled silicon chip connect into 3 groups of inverse parallel SCR AC switch by crossover 1,3 groups in shell 17 Inverse parallel SCR AC switch is isolated added with multilayer, and silica gel is perfused；6 controlled silicon chips 2 being arranged in shell 17, every two A controlled silicon chip 2 connects into 3 groups of inverse parallel SCR AC switch by crossover 1, and the pole K leading point 12 is provided on crossover 1 It contacts hair pole welding ends, crossover 1 and controlled silicon chip 2 and elastic connection is realized by elastic bend part, the pole G lead-out wire 11 passes through The inner lead of first tabletting 4 is drawn, the independent positive installation of each controlled silicon chip 2 in shell 17, and two is silicon-controlled in every group in this way 2 working condition temperature of chip is uniform, high reliablity, and crossover 1 is fixed with outside using combined screw, contact resistance less reliable Higher, the pole G lead-out wire 11 and the pole K leading point 12 are drawn using high temperature insulated wire, can flexible and convenient external various control equipment, 3 groups of inverse parallel SCR AC switch are isolated added with multilayer in shell 17, and be perfused silica gel carry out it is moisture-proof it is shockproof it is dust-proof it is equal protect, There are certain spaces in shell 17 places control equipment to facilitate, which can be realized Fast Installation and multiple combinations application, And there is smaller volume and higher reliability.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of High-reliability large-power soft starter for motor power of controlled silicon module, including crossover (1), controlled silicon chip (2), module Copper soleplate (3), the first tabletting (4), potsherd (5), the first insulation sleeve (6), the first pressing plate (7), the second insulation sleeve (8), second Pressing plate (9), fixed screw (10), the pole G lead-out wire (11), the pole K leading point (12), the second tabletting (13), first through hole (14), Two through-holes (15), fixture nut (16), shell (17) and third through-hole (18), it is characterised in that: the crossover (1) is symmetrically fixed It is opened up the second through-hole (15) on the top of the top two sides of module copper soleplate (3), the crossover (1), the top of the crossover (1) By being welded with fixed screw (10), the controlled silicon chip (2) is arranged in crossover (1) for bottom corresponding second through-hole (15) Bottom end top side, first tabletting (4) is fixed on the top side of controlled silicon chip (2), and second insulation sleeve (8) is covered on The top of one tabletting (4), the pole G lead-out wire (11) are mounted on the inside of the first tabletting (4), and second pressing plate (9) is fixed In the top of the second insulation sleeve (8), second pressing plate (9) runs through the quadrangle of the second pressing plate (9) by fixed screw (10), and The internal screw hole of fit module copper soleplate (3) is coupled, and the controlled silicon chip (2) is mounted on the other side bottom of crossover (1) End upside, second tabletting (13) are fixed on the top side of controlled silicon chip (2), and first insulation sleeve (6) is covered on second The top of tabletting (13), in the side of the second tabletting (13), first pressing plate (7) is fixed for the pole K leading point (12) setting In the top of the first insulation sleeve (6), the fixed screw (10) runs through the quadrangle of the first pressing plate (7), and fit module copper soleplate (3) internal screw hole is coupled, and the shell (17) is arranged in the outside of crossover (1), and is located at the top of module copper soleplate (3) Side, the bottom margin of the shell (17) is equidistant to be uniformly provided with 8 first through hole (14), and the third through-hole (18) opens up In the bottom of module copper soleplate (3).

2. a kind of High-reliability large-power soft starter for motor power of controlled silicon module according to claim 1, it is characterised in that: The shell (17) is internally provided with 6 controlled silicon chips (2), and controlled silicon chip (2) combination of two passes through crossover (1) Connect into 3 groups of inverse parallel SCR AC switch.

3. a kind of High-reliability large-power soft starter for motor power of controlled silicon module according to claim 1, it is characterised in that: The crossover (1) and controlled silicon chip (2) pass through elastic bend part elastic connection.

4. a kind of High-reliability large-power soft starter for motor power of controlled silicon module according to claim 1, it is characterised in that: The pole welding ends of the pole K leading point (12) is provided on the crossover (1), the pole G lead-out wire (11) is inner by the first tabletting (4) Lead is drawn.

5. a kind of High-reliability large-power soft starter for motor power of controlled silicon module according to claim 1, it is characterised in that: 3 groups of inverse parallel SCR AC switch are isolated added with multilayer in the shell (17), and silica gel is perfused.