CN219123790U

CN219123790U - Low-voltage complete switch cabinet with external protection structure

Info

Publication number: CN219123790U
Application number: CN202223445627.7U
Authority: CN
Inventors: 闫开放
Original assignee: Henan Zhonghui Electric Co ltd
Current assignee: Henan Zhonghui Electric Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-02
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a low-voltage complete switch cabinet with an external protection structure, which comprises a cabinet shell and an external dustproof mechanism; cabinet shell: the front side opening is hinged with a cabinet door through a hinge, the inside of the cabinet shell is provided with uniformly distributed mounting plates, the bottom end of the inside of the cabinet shell is provided with a partition plate, the upper ends of the left side and the right side of the cabinet shell are respectively provided with uniformly distributed air outlets, the air outlets are obliquely arranged from inside to outside, and the four corners of the bottom surface of the cabinet shell are symmetrically provided with supporting legs; an external dust-proof mechanism: the cabinet is arranged at the bottom end of the cabinet shell; wherein: the left side surface of the cabinet shell is provided with a control switch group; this low pressure complete set cubical switchboard with outside protection architecture can prevent outside dust entering cabinet shell inside when realizing heat dissipation ventilation function to the electric element of cabinet shell inside receives the interference of outside dust and appears short circuit or overload's condition, can also ensure the effect of heat dissipation work simultaneously, and the practicality is better.

Description

Low-voltage complete switch cabinet with external protection structure

Technical Field

The utility model relates to the technical field of power distribution engineering, in particular to a low-voltage complete switch cabinet with an external protection structure.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet, then enters the sub-control switch, and each shunt is arranged according to the requirement. Such as meters, automatic control, motor magnetic switches, various ac contactors, etc., and high-voltage and low-voltage switchgear, high-voltage buses, such as power plants, etc., and low-cycle relief for protecting major equipment.

The switch cabinets can be divided into low-voltage switch cabinets and high-voltage switch cabinets according to practical application scenes, wherein the low-voltage switch cabinets are suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textiles, high-rise buildings and the like and serve as power transmission, power distribution and electric energy conversion.

In order to prevent the electrical components inside the existing low-voltage switchgear from being down due to high temperature during use, a cooling fan is often required to be equipped to realize a cooling and ventilating function, but in the process, dust in the external environment easily enters the interior of the switchgear along with cooling airflow to influence the operation of the electrical components, so we propose the low-voltage switchgear with an external protection structure.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the low-voltage complete switch cabinet with the external protection structure, which can prevent external dust from entering the cabinet shell while realizing the heat dissipation and ventilation functions, so that the condition that electric elements in the cabinet shell are short-circuited or overloaded due to the interference of the external dust can be avoided, meanwhile, the heat dissipation working effect can be ensured, the practicability is better, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a low-voltage complete switch cabinet with an external protection structure comprises a cabinet shell and an external dustproof mechanism;

cabinet shell: the front side opening is hinged with a cabinet door through a hinge, the inside of the cabinet shell is provided with uniformly distributed mounting plates, the bottom end of the inside of the cabinet shell is provided with a partition plate, the upper ends of the left side and the right side of the cabinet shell are respectively provided with uniformly distributed air outlets, the air outlets are obliquely arranged from inside to outside, and the four corners of the bottom surface of the cabinet shell are symmetrically provided with supporting legs;

an external dust-proof mechanism: set up in the inside bottom of cabinet shell, can prevent outside dust entering cabinet shell inside when realizing heat dissipation ventilation function to the electric element of cabinet shell inside receives the interference of outside dust and appears the condition of short circuit or overload, can also ensure the effect of heat dissipation work simultaneously, and the practicality is better.

Furthermore, the left side face of the cabinet shell is provided with a control switch group, and the input end of the control switch group is electrically connected with an external power supply, so that the running state of each electric appliance can be freely regulated and controlled.

Further, the inside bottom of cabinet shell is equipped with bilateral symmetry's frame plate, and the upper surface middle part of frame plate all is equipped with radiator fan, and radiator fan's input electricity is connected the output of control switch group, can realize the heat dissipation ventilation function to the electric elements who installs in advance on the mounting disc receives high temperature influence and impaired.

Further, the outside dustproof mechanism includes the dust screen, the dust screen sets up respectively in the air inlet of seting up in the left and right sides face bottom of cabinet shell, can prevent that outside dust from getting into cabinet shell inside and leading to the condition that electrical component appears short circuit or overload to this protects this cubical switchboard from the influence of external factor.

Further, outside dustproof mechanism still includes tie rod, slide, ejector pin and spring, the tie rod sets up in the left and right sides inner wall lower extreme of cabinet shell in every two a set of bilateral symmetry, fixedly connected with slide between two tie rods of vertical same group, the inside of slide all sliding connection has the ejector pin, the inside of slide all is equipped with the spring, the inside end of spring respectively with the ejector pin middle part step board fixed connection of homonymy, can promote the dust that the dust screen attached to drop to the dust screen is stopped up and influence the effect of heat dissipation work.

Further, outside dustproof mechanism still includes motor, bull stick and cam, motor bilateral symmetry sets up in the rear side inner wall lower extreme of cabinet shell, and the output shaft front end of motor all is equipped with the bull stick, and the front end of bull stick all rotates with the front side inner wall of cabinet shell through the bearing to be connected, and the equal fixed cover of extrados of bull stick is equipped with two cams, and the inboard end of ejector pin contacts with the cam extrados that corresponds with the homonymy respectively, and the output of control switch group can drive the ejector pin and carry out reciprocating motion automatically to the input electricity of motor.

Furthermore, the number of the cams is four, and the two cams positioned on the same rotating rod face opposite directions, so that the two ejector rods on the same side can alternately perform dust brushing.

Compared with the prior art, the utility model has the beneficial effects that: the low-voltage complete switch cabinet with the external protection structure has the following advantages:

1. in the working process of the switch cabinet, through the regulation and control of the control switch group, the cooling fan can generate traction air flow to drive external air to enter the cabinet shell through the dust screen, and meanwhile, original hot air in the cabinet shell is discharged through the air outlet, so that electric elements mounted on the mounting plate in advance are prevented from being damaged due to the influence of high temperature.

2. When the outside air passes through the dustproof net, the dust and other impurities wrapped in the outside air can be isolated outside the cabinet shell and attached to the dustproof net, so that the situation that the outside dust enters the cabinet shell to cause short circuit or overload of electric elements on the mounting plate is avoided, and the switch cabinet is protected from being influenced by external factors.

3. Through the regulation and control of control switch group, when the motor operation drives bull stick and cam rotation, when the centre of a circle cambered surface of cam and ejector pin contact, the ejector pin can overcome the elasticity of spring and take place to remove towards the direction that the dust screen is located to apply the reciprocal top of continuation to the dust screen and shake, make dust that the dust screen is attached drop, in order to avoid the dust screen to be stopped up and influence the effect of heat dissipation work, the practicality is better.

Drawings

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

FIG. 2 is a schematic view of the present utility model in an inner cross-section;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 4 is a schematic view of the slide of the present utility model in plan view in cross section.

In the figure: 1 cabinet shell, 2 cabinet door, 3 mounting disc, 4 baffle, 5 gas outlets, 6 stabilizer blades, 7 outside dustproof mechanism, 71 dust screen, 72 connecting rod, 73 slide cylinder, 74 ejector pin, 75 spring, 76 motor, 77 bull stick, 78 cam, 8 control switch group, 9 frame plate, 10 radiator fan.

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.

Referring to fig. 1-4, the present embodiment provides a technical solution: a low-voltage complete switch cabinet with an external protection structure comprises a cabinet shell 1 and an external dustproof mechanism 7;

cabinet shell 1: the front side opening of the cabinet is hinged with a cabinet door 2 through a hinge, an evenly-distributed mounting plate 3 is arranged in the cabinet shell 1, a partition plate 4 is arranged at the bottom end of the interior of the cabinet shell 1, evenly-distributed air outlets 5 are formed in the upper ends of the left side and the right side of the cabinet shell 1, the air outlets 5 are all obliquely arranged from inside to outside, supporting legs 6 are symmetrically arranged at four corners of the bottom surface of the cabinet shell 1, a laterally-symmetrical frame plate 9 is arranged at the bottom end of the interior of the cabinet shell 1, a cooling fan 10 is arranged in the middle of the upper surface of the frame plate 9, the input end of the cooling fan 10 is electrically connected with the output end of a control switch group 8, in the working process of the switch cabinet, traction air flow can be generated by the operation of the cooling fan 10 through the regulation and control of the control switch group 8, external air is promoted to enter the interior of the cabinet shell 1 through a dustproof net 71, and meanwhile original hot air in the interior of the cabinet shell 1 is discharged through the air outlets 5, so that electric elements which are arranged in advance on the mounting plate 3 are prevented from being damaged by high temperature influence;

external dustproof mechanism 7: the external dustproof mechanism 7 comprises dustproof nets 71, the dustproof nets 71 are respectively arranged in air inlets formed in the bottoms of the left side surface and the right side surface of the cabinet shell 1, the external dustproof mechanism 7 also comprises connecting rods 72, sliding drums 73, ejector rods 74 and springs 75, the connecting rods 72 are symmetrically arranged at the lower ends of the left inner wall and the right inner wall of the cabinet shell 1 in pairs, the sliding drums 73 are fixedly connected between the two connecting rods 72 of the same vertical group, the ejector rods 74 are respectively and slidably connected in the sliding drums 73, the springs 75 are respectively arranged in the sliding drums 73, the inner ends of the springs 75 are respectively and fixedly connected with step plates in the middle of the ejector rods 74 on the same side, the external dustproof mechanism 7 also comprises a motor 76, a rotating rod 77 and a cam 78, the motor 76 is symmetrically arranged at the lower ends of the inner walls of the rear side of the cabinet shell 1 in a left-right mode, the front ends of output shafts of the motor 76 are respectively provided with the rotating rods 77, the front end of the rotating rod 77 is rotationally connected with the front inner wall of the cabinet shell 1 through bearings, two cams 78 are fixedly sleeved on the outer cambered surface of the rotating rod 77, the inner side ends of the push rods 74 are respectively contacted with the outer cambered surfaces of the cams 78 corresponding to the same side, the input end of the motor 76 is electrically connected with the output end of the control switch group 8, the number of the cams 78 is four, the two cams 78 positioned on the same rotating rod 77 face opposite directions, when outside air passes through the dust screen 71, dust and other impurities wrapped in the outside air can be isolated outside the cabinet shell 1 and attached to the dust screen 71, so as to prevent the situation that the outside dust enters the cabinet shell 1 to cause short circuit or overload of electrical elements on the mounting plate 3, thereby protecting the switch cabinet from being influenced by external factors, the ejector rod 74 overcomes the elasticity of the spring 75 and moves towards the direction where the dust screen 71 is located, so that continuous reciprocating pushing vibration is applied to the dust screen 71, dust attached to the dust screen 71 is caused to fall, the dust screen 71 is prevented from being blocked, the heat dissipation effect is affected, and the practicability is better.

Wherein: the left side of cabinet shell 1 is equipped with control switch group 8, and the input of control switch group 8 electricity is connected external power source.

The working principle of the low-voltage complete switch cabinet with the external protection structure provided by the utility model is as follows: in the working process of the switch cabinet, through the regulation and control of the control switch group 8, the cooling fan 10 can generate traction air flow to enable external air to enter the cabinet shell 1 through the dustproof net 71, meanwhile, when the motor 76 is operated to drive the rotary rod 77 and the cam 78 to rotate, the original hot air in the cabinet shell 1 is discharged through the air outlet 5, so that electric elements mounted on the mounting plate 3 in advance are prevented from being damaged due to the influence of high temperature, when the external air passes through the dustproof net 71, dust and other impurities wrapped in the external air can be isolated outside the cabinet shell 1 and attached to the dustproof net 71, so that the external dust enters the cabinet shell 1 to cause the situation that the electric elements on the mounting plate 3 are short-circuited or overloaded, and the switch cabinet is protected from being influenced by external factors.

It should be noted that, in the above embodiment, the motor 76 is a GNB2118A motor, the radiator fan 10 is a KYT-2501a fan, and the control switch group 8 is provided with switch buttons corresponding to the motor 76 and the radiator fan 10 one by one for controlling the switching operation.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a low pressure switchgear set with external protection structure which characterized in that: comprises a cabinet shell (1) and an external dustproof mechanism (7);

cabinet shell (1): the front side opening part of the cabinet is hinged with a cabinet door (2) through a hinge, an evenly-distributed mounting plate (3) is arranged in the cabinet shell (1), a partition plate (4) is arranged at the bottom end in the cabinet shell (1), evenly-distributed air outlets (5) are formed in the upper ends of the left side surface and the right side surface of the cabinet shell (1), the air outlets (5) are obliquely arranged from inside to outside, and supporting legs (6) are symmetrically arranged at four corners of the bottom surface of the cabinet shell (1);

external dust-proof mechanism (7): is arranged at the bottom end of the cabinet shell (1).

2. A low voltage switchgear assembly having an external protection structure according to claim 1, characterized in that: the left side face of the cabinet shell (1) is provided with a control switch group (8), and the input end of the control switch group (8) is electrically connected with an external power supply.

3. A low voltage switchgear assembly having an external protection structure according to claim 2, characterized in that: the inside bottom of cabinet shell (1) is equipped with bilateral symmetry's frame plate (9), and the upper surface middle part of frame plate (9) all is equipped with radiator fan (10), and the output of control switch group (8) is connected to the input electricity of radiator fan (10).

4. A low voltage switchgear assembly having an external protection structure according to claim 1, characterized in that: the external dustproof mechanism (7) comprises dustproof nets (71), and the dustproof nets (71) are respectively arranged in air inlets formed in the bottom ends of the left side surface and the right side surface of the cabinet shell (1).

5. A low voltage switchgear assembly having an external protection structure according to claim 2, characterized in that: the external dustproof mechanism (7) further comprises connecting rods (72), sliding drums (73), ejector rods (74) and springs (75), the connecting rods (72) are symmetrically arranged at the lower ends of the left inner wall and the right inner wall of the cabinet shell (1) in a front-back mode, the sliding drums (73) are fixedly connected between the two connecting rods (72) of the same vertical mode, the ejector rods (74) are slidably connected in the sliding drums (73), the springs (75) are arranged in the sliding drums (73), and inner ends of the springs (75) are fixedly connected with middle step plates of the ejector rods (74) on the same side respectively.

6. A low voltage switchgear assembly having an external protection structure according to claim 5, characterized in that: the outside dustproof mechanism (7) still includes motor (76), bull stick (77) and cam (78), motor (76) bilateral symmetry sets up in the rear side inner wall lower extreme of cabinet shell (1), and the output shaft front end of motor (76) all is equipped with bull stick (77), and the front end of bull stick (77) all rotates with the front side inner wall of cabinet shell (1) through the bearing to be connected, and the outer cambered surface of bull stick (77) all is fixed the cover and is equipped with two cams (78), and the inboard end of ejector pin (74) respectively with the cam (78) outer cambered surface contact that corresponds of homonymy, the output of control switch group (8) is connected to the input electricity of motor (76).

7. A low voltage switchgear assembly having an external protection structure according to claim 6, characterized in that: the number of the cams (78) is four, and the two cams (78) positioned on the same rotating rod (77) face opposite directions.