CN220139440U

CN220139440U - Soft start cabinet

Info

Publication number: CN220139440U
Application number: CN202321646505.6U
Authority: CN
Inventors: 秦士军; 潘斌辉; 余纯伟
Original assignee: Wuhan Tianli Switch Complete Electrical Equipment Co ltd
Current assignee: Wuhan Tianli Switch Complete Electrical Equipment Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-12-05
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a soft start cabinet in the technical field of soft starters, which comprises: the cabinet body assembly comprises a cabinet body and a mounting plate, and the cabinet body is fixedly connected with the mounting plate; the cabinet door assembly is movably connected with the cabinet body assembly, the cabinet door assembly comprises a cabinet door and an electric mounting plate, and the cabinet door is fixedly connected with the electric mounting plate; the driving mechanism is respectively connected with the cabinet body assembly and the cabinet door assembly and comprises a translation driving mechanism, a connecting rod and a mounting plate, wherein the translation driving mechanism and the mounting plate are respectively arranged at two ends of the connecting rod. Can hide or shift out the inside at the cabinet body with electric mounting panel, be convenient for maintain the electric component of installing on electric mounting panel, improve maintenance efficiency, reduce the potential safety hazard simultaneously.

Description

Soft start cabinet

Technical Field

The utility model relates to the technical field of soft starters, in particular to a soft start cabinet.

Background

The soft starter is a novel motor control device integrating soft start, soft stop and various protection functions of a current collector, is called SoftStarter abroad, mainly comprises a three-phase anti-parallel thyristor connected in series between a power supply and a controlled motor and an electronic control circuit thereof, controls the conduction angle of the three anti-parallel thyristors by using different methods, changes the input voltage of the controlled motor according to different requirements, and can realize different functions; the soft starter is actually a voltage regulator, when the motor is started, the output only changes the voltage and does not change the frequency, and the frequency converter has all the functions of the soft starter, but the cost of the frequency converter is much more expensive than that of the soft starter, and the structure of the frequency converter is much more complex.

The soft starter for motor is characterized by that it utilizes a soft starter connected in series between power supply and controlled motor to control conduction angle of internal thyristor, and makes the motor input voltage gradually raise from zero to end of starting, and gives full voltage to motor, i.e. soft start, and in the course of soft start, the motor starting torque is gradually raised, and its rotating speed is also gradually raised, and the soft starter adopts three-phase anti-parallel thyristor as voltage regulator, and makes it be connected between power supply and motor stator.

The soft start cabinet is mainly used for starting various high-power motors, the soft start is utilized to replace a traditional starting mode, smooth starting is achieved, starting current is reduced, mechanical impact of large current to the motor and impact to a power grid are reduced when the motor is started, power quality is improved, energy is saved, the motor is prevented from being overheated and burnt due to mechanical failure or blocking caused by blocking of the blocking rotation by utilizing blocking rotation protection and rapid protection, voltage drop caused by large current is reduced, other electric appliances are affected, abrasion is reduced, the service life of the motor is prolonged, maintenance cost of the machine is saved, when the soft start cabinet is used for a long time, an electric element mounted in the cabinet is aged or the electric element is damaged due to other reasons, workers are required to maintain and replace the electric element, the cabinet door is opened by the workers, the upper body is detected into the cabinet body, the electric element is maintained and replaced due to limited internal space of the cabinet body, after different electric elements and cables are mounted, the internal space is narrower, the internal space of the cabinet body is further reduced after the workers detect the body into the cabinet body, the movable space of the workers is severely limited, the movable space of the workers is greatly limited, the working efficiency of the workers is greatly limited, and meanwhile, the potential safety hazards of the workers are caused to the workers are easy to work and the working efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a soft start cabinet, which aims to solve the problems that the existing maintenance and replacement mode proposed in the background technology is that a cabinet door is opened by a worker, the upper body is inserted into the cabinet body to maintain and replace electric elements, the internal space of the cabinet body is limited, after different electric elements and cables are installed, the internal space is narrower, the internal space of the cabinet body is further reduced after the worker inserts the body into the cabinet body, the movable space of the worker is severely limited, the working efficiency of the worker is greatly influenced, and meanwhile, misoperation of the worker is easily caused by the narrow space, so that potential safety hazards are caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a soft start cabinet comprising:

the cabinet body assembly comprises a cabinet body and a mounting plate, and the cabinet body is fixedly connected with the mounting plate;

the cabinet door assembly is movably connected with the cabinet body assembly, the cabinet door assembly comprises a cabinet door and an electric mounting plate, and the cabinet door is fixedly connected with the electric mounting plate;

the driving mechanism is respectively connected with the cabinet body assembly and the cabinet door assembly and comprises a translation driving mechanism, a connecting rod and a mounting disc, and the translation driving mechanism and the mounting disc are respectively mounted at two ends of the connecting rod.

Preferably, the cabinet body assembly further comprises supporting blocks, the supporting blocks are arranged at four corners of the inner cavity of the cabinet body, and the supporting blocks correspond to the mounting plates.

Preferably, the cabinet door assembly further comprises an upper plate, a lower plate and a sealing frame, wherein the upper plate is arranged at the top of the side wall of the cabinet door and is in contact with the top of the electric mounting plate, the lower plate is arranged at the bottom of the side wall of the cabinet door and is in contact with the bottom of the electric mounting plate, the sealing frame is arranged at the edge of the side wall of the cabinet door and is arranged outside the upper plate and the lower plate, and the sealing frame is in contact with the inner side wall of the cabinet body.

Preferably, the top of the cabinet body is uniformly provided with ventilation holes, and the ventilation holes are communicated with the inner cavity of the cabinet body.

Preferably, the cooling mechanism is installed at the top of the cabinet body assembly, the cooling mechanism comprises a cooling box assembly and an air extraction mechanism, and the air extraction mechanism is arranged on the side wall of the inner cavity of the cooling box assembly.

Preferably, the cooling box assembly comprises a cooling box, an air inlet, a mounting groove, a connecting plate, a heat conducting plate and air holes, wherein the cooling box is arranged at the top of the cabinet body and is communicated with the inner cavity of the cabinet body through the air holes, the air inlet is formed in the side wall of the cooling box and is communicated with the inner cavity of the cooling box, the mounting groove is uniformly formed in the top of the cooling box and is communicated with the inner cavity of the cooling box, the connecting plate is arranged in the inner cavity of the cooling box and is arranged at the lower end of the air inlet, the heat conducting plate is arranged at the top of the connecting plate and is in contact with the top of the inner cavity of the cooling box, and the air holes are uniformly formed in the side wall of the heat conducting plate and penetrate through the other side of the heat conducting plate.

Preferably, a refrigerating sheet is installed on the inner side of the installation groove, and a cold end on the refrigerating sheet is in contact with the temperature guide plate.

Preferably, a supporting plate is arranged at the bottom of the cabinet body.

Compared with the prior art, the utility model has the beneficial effects that: the soft start cabinet drives the electric installation plate to move through the translation driving mechanism. Can hide or shift out the inside at the cabinet body with electric mounting panel, be convenient for maintain the electric component of installing on electric mounting panel, improve maintenance efficiency, reduce the potential safety hazard simultaneously.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the mounting of the cabinet assembly and drive mechanism of the present utility model;

FIG. 3 is a schematic view of the cabinet door assembly of the present utility model;

FIG. 4 is a schematic view of the cabinet and vent arrangement of the present utility model;

FIG. 5 is a schematic diagram of a cooling mechanism according to the present utility model;

FIG. 6 is a schematic diagram of a cooling box assembly according to the present utility model;

FIG. 7 is a schematic diagram of the cooling box assembly and the air extraction mechanism of the present utility model.

In the figure: 100 cabinet body assemblies, 110 cabinet bodies, 111 air holes, 120 mounting plates, 130 supporting blocks, 200 cabinet door assemblies, 210 cabinet doors, 220 electric mounting plates, 230 upper plates, 240 lower plates, 250 sealing frames, 300 cooling mechanisms, 310 cooling box assemblies, 311 cooling boxes, 312 air inlets, 313 mounting grooves, 314 connecting plates, 315 heat-conducting plates, 316 air holes, 320 air extraction mechanisms, 330 refrigerating sheets, 400 supporting plates, 500 driving mechanisms, 510 translation driving mechanisms, 520 connecting rods and 530 mounting plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a soft start cabinet, which drives an electric installation plate to move through a translation driving mechanism. Can hide or shift out the inside at the cabinet body with electric mounting panel, be convenient for maintain the electric component of installing on electric mounting panel, improve maintenance efficiency, reduce the potential safety hazard simultaneously, please refer to fig. 1, include: the cabinet body assembly 100, the cabinet door assembly 200 and the driving mechanism 500;

referring to fig. 1-3, the cabinet assembly 100 includes a cabinet 110 and a mounting plate 120, the cabinet 110 is fixedly connected with the mounting plate 120, the cabinet door assembly 200 is movably connected with the cabinet assembly 100, the cabinet door assembly 200 includes a cabinet door 210 and an electrical mounting plate 220, the cabinet door 210 is fixedly connected with the electrical mounting plate 220, the driving mechanism 500 is respectively connected with the cabinet assembly 100 and the cabinet door assembly 200, the driving mechanism 500 includes a translational driving mechanism 510, a connecting rod 520 and a mounting plate 530, the translational driving mechanism 510 and the mounting plate 530 are respectively mounted at two ends of the connecting rod 520, the mounting plate 120 is disposed at a position where an inner cavity of the cabinet 110 is far away from an opening of the cabinet 110, the number of the mounting plates 120 is four, four inner cavity corners of the cabinet 110 are welded, the translational driving mechanism 510 is detachably mounted on one side of the mounting plate 120 far away from the opening of the cabinet 110 through bolts, a telescopic end of the translational driving mechanism 510 penetrates the mounting plate 120, the translation driving mechanism 510 includes, but is not limited to, an air cylinder, a hydraulic cylinder and an electric push rod, preferably an electric push rod, wherein a connecting rod 520 is installed on a telescopic end of the translation driving mechanism 510 through a spline or a flat key connection, the connecting rod 520 is arranged on one side of the mounting plate 120 facing the opening of the cabinet body 110, the connecting rod 520 is driven to move along a horizontal plane through the telescopic end on the translation driving mechanism 510, a mounting plate 530 is detachably installed on one end of the connecting rod 520 far away from the translation driving mechanism 510 through a bolt, the translation driving mechanism 510 is driven to horizontally move through the connecting rod 520, when the telescopic end on the translation driving mechanism 510 is in an initial state, the mounting plate 530 can be moved out of the inner cavity of the cabinet body 110 when the translation driving mechanism 510 is in an operating state, the cabinet door 210 is detachably installed on one end of the mounting plate 530 far away from the connecting rod 520 through a bolt, the cabinet door 210 can be driven to move along the horizontal plane through the mounting plate 530, the electric mounting plate 220 is arranged on one side of the cabinet door 210 facing the cabinet body 110, the electric mounting plate 220 and the cabinet door 210 are integrally processed, the electric mounting plate 220 is perpendicular to the cabinet door 210, the electric mounting plate 220 can be driven to move along the horizontal plane through the cabinet door 210, when the telescopic end on the translational driving mechanism 510 is in an initial state, the cabinet door 210 covers the cabinet body 110, the electric mounting plate 220 is hidden in the inner cavity of the cabinet body 110, all electric elements used in soft start are arranged on the side wall of the electric mounting plate 220, the electric elements are hidden in the inner cavity of the cabinet body 110 through the electric mounting plate 220, when a soft start system fails, only the electric mounting plate 210 is required to move towards one side far away from the cabinet body 110 through the translational driving mechanism 510, the electric mounting plate 220 is required to move out of the inner cavity of the cabinet body 110, the electric elements are required to be maintained or replaced through the translational driving mechanism 510 after the electric mounting plate 220 is completed, the electric elements installed on the electric mounting plate 220 are required to be moved to the inner cavity of the cabinet body 110, the inner cavity of the cabinet body 110 is not required to be maintained, and the work space is not required to be reduced, the work space is avoided, and the potential safety hazards of workers are avoided;

referring to fig. 1-2, the supporting blocks 130 are disposed at four corners of an inner cavity of the cabinet body 110, the supporting blocks 130 correspond to the mounting plates 120, the supporting blocks 130 are disposed at one side of the inner cavity of the cabinet body 110 far away from the mounting plates 120, the supporting blocks 130 and the cabinet body 110 are integrally processed, guide holes are formed in the supporting blocks 130, the connecting rods 520 are connected with the supporting blocks 130 through linear bearings, the connecting rods 520 are supported through the supporting blocks 130, the structural strength of the connecting rods 520 is improved, and structural instability caused by the increase of force arms after the electric mounting plates 220 move out of the inner cavity of the cabinet body 110 is avoided;

referring to fig. 1-3, an upper plate 230 is disposed on top of a side wall of a cabinet door 210 and contacts with top of an electric mounting plate 220, a lower plate 240 is disposed on bottom of a side wall of the cabinet door 210 and contacts with bottom of the electric mounting plate 220, a sealing frame 250 is disposed at edge of the side wall of the cabinet door 210 and outside of the upper plate 230 and the lower plate 240, the sealing frame 250 contacts with inner side walls of a cabinet body 110, the upper plate 230 and the lower plate 240 are welded on one side of the cabinet door 210 facing the cabinet body 110, the upper plate 230 and the lower plate 240 are respectively welded at two ends of the electric mounting plate 220, the upper plate 230 and the lower plate 240 form an i-shaped structure, top of the upper plate 230 contacts with bottom of a mounting plate 120 and a supporting block 130 disposed at the upper end, bottom of the lower plate 240 contacts with top of the mounting plate 120 and the supporting block 130 disposed at the lower end, the upper plate 230 and the lower plate 240 can move on the mounting plate 120 and the supporting block 130, when the electric mounting plate 220 is hidden in an inner cavity of the cabinet body 110, the upper plate 230 and the lower plate 240 uniformly contacts with the supporting block 130, and when the electric mounting plate 220 moves out of the inner cavity of the cabinet body 110, the upper plate 230 and the lower plate 230 and the supporting block 240 are not contacted with the mounting plate 130, or the upper plate 230 and the supporting block 130 can not contact with the mounting plate 130 stably, or the upper plate 520 and the supporting plate 520 can not contact with the upper plate 130, which forms a stable connecting rod structure;

referring to fig. 1 and 4-7, the top of the cabinet 110 is uniformly provided with ventilation holes 111, the ventilation holes 111 are communicated with the inner cavity of the cabinet 110, the cooling mechanism 300 comprises a cooling box assembly 310 and an air extraction mechanism 320, the air extraction mechanism 320 is arranged on the side wall of the inner cavity of the cooling box assembly 310, the cooling box assembly 310 comprises a cooling box 311, an air inlet 312, a mounting groove 313, a connecting plate 314, a heat conducting plate 315 and an air hole 316, the cooling box 311 is arranged at the top of the cabinet 110 and communicated with the inner cavity of the cabinet 110 through the ventilation holes 111, the air inlet 312 is arranged on the side wall of the cooling box 311 and communicated with the inner cavity of the cooling box 311, the mounting groove 313 is uniformly arranged at the top of the cooling box 311 and communicated with the inner cavity of the cooling box 311, the connecting plate 314 is arranged at the lower end of the air inlet 312, the heat conducting plate 315 is arranged at the top of the connecting plate 314 and contacted with the top of the inner cavity of the cooling box 311, the air holes 316 are uniformly formed on the side wall of the temperature guide plate 315 and penetrate through the other side of the temperature guide plate 315, the refrigerating sheet 330 is mounted on the inner side of the mounting groove 313, the cold end of the refrigerating sheet 330 is in contact with the temperature guide plate 315, the cooling box 311 is detachably mounted on the top of the cabinet 110 through bolts, the inner cavity of the cooling box 311 is communicated with the inner cavity of the cabinet 110 through the air holes 111, the air extraction mechanism 320 is detachably mounted on the wide edge of the inner cavity of the cooling box 311 through bolts, the air extraction mechanism 320 corresponds to the air inlet 312, external air is extracted into the inner cavity of the cooling box 311 through the air extraction mechanism 320, the refrigerating sheet 330 is detachably mounted on the inner side of the mounting groove 313 through bolts, the refrigerating sheet 330 is a thermoelectric refrigerating sheet, the price is low, the refrigerating effect is excellent, compared with an air conditioner, the required cost is lower and the maintenance is convenient, the top of the refrigerating sheet 330 is flush with the top of the cooling box 311, the bottom of the refrigerating sheet 330 is flush with the top of the inner cavity of the cooling box 311, the cold end on the refrigerating sheet 330 is arranged in the inner cavity of the cooling box 311, the hot end on the refrigerating sheet 330 is arranged outside the cooling box 311 to be in contact with external air for heat exchange, the connecting plate 314 is welded in the inner cavity of the cooling box 311, the connecting plate 314 is arranged at the lower end of the air extraction mechanism 320 but is not in contact with the air extraction mechanism 320, three sides around the connecting plate 314 are welded with the three sides of the inner cavity of the cooling box 311 together, an air permeable groove is reserved between the rest side on the connecting plate 314 and the side wall of the inner cavity of the cooling box 311, the air permeable groove is arranged at one side of the round air inlet 312, the top of the connecting plate 314 is welded with the air extraction mechanism 320 correspondingly, the number of the heat conducting plates 315 is multiple, one end of the part of the heat conducting plates 315 far away from the connecting plate 314 is in contact with the cold end on the cooling sheet 330, the heat conducting plates 315 are made of high temperature conducting materials, the temperature guide plate 315 is cooled by the refrigerating sheet 330, the air holes 316 are uniformly formed on the temperature guide plate 315 and penetrate through the temperature guide plate 315, external air is pumped into the inner cavity of the cooling box 311 by the air pumping mechanism 320, the air entering the inner cavity of the cooling box 311 moves towards the temperature guide plate 315 and contacts with the temperature guide plate 315 under the driving of the air pumping mechanism 320, the air is cooled by heat exchange between the temperature guide plate 315 and the air, the air after heat exchange moves to the other side of the temperature guide plate 315 through the air holes 316 on the temperature guide plate 315, the flow rate of the air is slowed down by the temperature guide plate 315, the air can fully exchange heat with the temperature guide plate 315, the cooled air enters into the lower end space of the connecting plate 314 through the ventilation groove between the connecting plate 314 and the cooling box 311, and enters into the inner cavity of the cabinet 110 through the ventilation hole 111 formed on the cabinet 110 to cool the inner cavity of the cabinet 110, compared with the traditional natural ventilation and heat dissipation mode, the cooling effect is better, meanwhile, compared with the cooling of an air conditioner, the cooling effect is lower, the inner cavity of the cabinet body 110 can be cooled better and effectively under the condition of guaranteeing low cost, the damage of electric elements caused by high temperature is effectively avoided, the service life of the electric elements is guaranteed, in order to avoid the damage of the electric elements caused by dust impurities in the air, the air inlet 312 is provided with a filter screen for filtering the dust impurities in the air, and the service life of the electric elements is further guaranteed, so that the service life of a soft start system is guaranteed;

referring to fig. 1-2, a support plate 400 is installed at the bottom of the cabinet 110, the support plate 400 is detachably installed at the bottom of the cabinet 110 through bolts, the support plate 400 is arranged on the ground, the contact between the cabinet 110 and the ground is isolated through the support plate 400, the damage of electric elements in the inner cavity of the cabinet 110 caused by erosion of the inner cavity of the cabinet 110 due to water on the ground is avoided, and the service life of the soft start system is further ensured.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A soft start cabinet, characterized in that: comprising the following steps:

the cabinet body assembly (100), the cabinet body assembly (100) comprises a cabinet body (110) and a mounting plate (120), and the cabinet body (110) is fixedly connected with the mounting plate (120);

the cabinet door assembly (200) is movably connected with the cabinet body assembly (100), the cabinet door assembly (200) comprises a cabinet door (210) and an electric mounting plate (220), and the cabinet door (210) is fixedly connected with the electric mounting plate (220);

the driving mechanism (500), driving mechanism (500) respectively with cabinet body assembly (100) with cabinet door assembly (200), driving mechanism (500) are including translation actuating mechanism (510), connecting rod (520) and mounting disc (530), translation actuating mechanism (510) with mounting disc (530) are installed respectively connecting rod (520) both ends.

2. A soft start cabinet according to claim 1, wherein: the cabinet body assembly (100) further comprises supporting blocks (130), the supporting blocks (130) are arranged at four corners of an inner cavity of the cabinet body (110), and the supporting blocks (130) correspond to the mounting plates (120).

3. A soft start cabinet according to claim 2, wherein: the cabinet door assembly (200) further comprises an upper plate (230), a lower plate (240) and a sealing frame (250), wherein the upper plate (230) is arranged at the top of the side wall of the cabinet door (210) and is in contact with the top of the electric mounting plate (220), the lower plate (240) is arranged at the bottom of the side wall of the cabinet door (210) and is in contact with the bottom of the electric mounting plate (220), the sealing frame (250) is arranged at the edge of the side wall of the cabinet door (210) and is arranged outside the upper plate (230) and the lower plate (240), and the sealing frame (250) is in contact with the inner side wall of the cabinet body (110).

4. A soft start cabinet according to claim 3, wherein: the top of the cabinet body (110) is uniformly provided with ventilation holes (111), and the ventilation holes (111) are communicated with the inner cavity of the cabinet body (110).

5. A soft start cabinet according to claim 4, wherein: the cooling mechanism (300) is installed at the top of the cabinet body assembly (100), the cooling mechanism (300) comprises a cooling box assembly (310) and an air extraction mechanism (320), and the air extraction mechanism (320) is arranged on the side wall of the inner cavity of the cooling box assembly (310).

6. A soft start cabinet according to claim 5, wherein: the cooling box assembly (310) comprises a cooling box (311), an air inlet (312), a mounting groove (313), a connecting plate (314), a heat conducting plate (315) and an air hole (316), wherein the cooling box (311) is arranged at the top of the cabinet body (110) and is communicated with the inner cavity of the cabinet body (110) through the air hole (111), the air inlet (312) is formed in the side wall of the cooling box (311) and is communicated with the inner cavity of the cooling box (311), the mounting groove (313) is uniformly formed in the top of the cooling box (311) and is communicated with the inner cavity of the cooling box (311), the connecting plate (314) is arranged in the inner cavity of the cooling box (311) and is arranged at the lower end of the air inlet (312), the heat conducting plate (315) is arranged at the top of the connecting plate (314) and is in contact with the top of the inner cavity of the cooling box (311), and the air hole (316) is uniformly formed in the side wall of the heat conducting plate (315) and penetrates through the other side of the heat conducting plate (315).

7. A soft start cabinet according to claim 6, wherein: and a refrigerating sheet (330) is arranged on the inner side of the mounting groove (313), and the cold end on the refrigerating sheet (330) is contacted with the heat conducting plate (315).

8. A soft start cabinet according to claim 7, wherein: the bottom of the cabinet body (110) is provided with a supporting plate (400).