CN222214837U - High-low voltage switch cabinet with good safety - Google Patents

Abstract

The utility model belongs to the technical field of switch cabinets, in particular to a high-low voltage switch cabinet with good safety, which comprises a cabinet body, wherein the front surface of the cabinet body is hinged with a cabinet door, the cabinet is characterized in that the two sides of the cabinet body are fixedly connected with the shell, the support is fixedly arranged in the shell, and the tank body is fixedly arranged on the inner wall of the bottom of the support. According to the high-low voltage switch cabinet, in the process of using the high-low voltage switch cabinet, after a fire disaster occurs in the high-low voltage switch cabinet, the temperature sensor and the smoke sensor can simultaneously send signals to the PLC, then the PLC can control the blocking mechanism to block a through hole, then the electromagnetic valve on the connecting pipe can be opened, and carbon dioxide in the tank can be sprayed out into the cabinet, so that fire extinguishing operation on the inside of the high-low voltage switch cabinet is realized.

Description

High-low voltage switch cabinet with good safety

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a high-low voltage switch cabinet with good safety.

Background

The high-low voltage switch cabinet is the equipment for connecting high voltage or low voltage cables, the power supply office and the power substation generally use the high voltage cabinet, then step down through a transformer and then go to the low voltage cabinet, the low voltage cabinet goes to the distribution box of each power, the inside is not the electrical equipment for assembling some protection devices such as switch breakers into a whole, electric elements and circuits in the current high-low voltage switch cabinet are easy to generate electric sparks due to short circuit, electric sparks can cause the electric elements and circuits to generate fire, smoke sensors are generally arranged in the high-low voltage switch cabinet to perform early warning, but the current high-low voltage switch cabinet does not have the function of automatically extinguishing fire in the use process, and after the fire happens in the current high-low voltage switch cabinet, workers cannot reach the vicinity of the high-low voltage switch cabinet immediately, so that the electric elements and circuits in the high-low voltage switch cabinet can cause larger damage and possibly cause larger fire, and therefore, the high-low voltage switch cabinet with good safety is provided to solve the problems.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a high-low voltage switch cabinet with good safety, and solves the problems in the prior art.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides a high-low voltage switch cabinet that security is good, includes the cabinet body, the front of the cabinet body articulates there is the cabinet door, the both sides of the cabinet body all communicate and are fixed with the casing, the inside of casing all is fixed with the support, the bottom inner wall of support all is fixed with the jar body, the top of jar body all communicates and is fixed with the connecting pipe, all install the solenoid valve on the connecting pipe, all be fixed with the blast pipe on the support, the connecting pipe is fixed with corresponding blast pipe intercommunication respectively, two openings have all been seted up to one side of casing, and wherein the inside of two openings is fixed with the air discharge fan, the top inner wall of the cabinet body is fixed with temperature sensor and smoke transducer, the top of the cabinet body is fixed with the box, the inside of box is fixed with battery and PLC controller, battery and PLC controller electric connection, PLC controller electric connection solenoid valve, temperature sensor and smoke transducer, a side wall of casing all is provided with the shutoff mechanism that is used for sheltering from the opening.

Further, the shutoff mechanism is including fixing two gag levers on a casing lateral wall, and sliding connection has two baffles between two gag levers, a lateral wall of casing is connected with the pivot through the bearing rotation, the fixed surface gear of pivot, a lateral wall of baffle all is fixed with the rack, the rack all is connected with gear engagement, a lateral wall of casing is fixed with the motor, the output of motor and the one end fixed connection of pivot, PLC controller electric connection motor.

Further, a protective cover for shielding the motor is fixed on one side wall of the two limiting rods.

Further, the inside of the cabinet body is fixed with a drainage plate, and ventilation grooves are formed in the top of the drainage plate at equal intervals.

Further, dustproof nets are fixed inside the through holes.

Further, the front of the cabinet door is provided with a visual observation window.

(III) beneficial effects

Compared with the prior art, the utility model provides the high-low voltage switch cabinet with good safety, which has the following beneficial effects:

According to the utility model, the cabinet body, the shell, the bracket, the tank body, the connecting pipe, the electromagnetic valve, the exhaust pipe, the temperature sensor, the smoke sensor, the storage battery, the PLC and the plugging mechanism are arranged, when a fire disaster occurs in the high-low voltage switch cabinet in the using process, the temperature sensor and the smoke sensor can simultaneously send signals to the PLC, then the PLC can control the plugging mechanism to plug the through hole, then the electromagnetic valve on the connecting pipe can be opened, and carbon dioxide in the tank body can be sprayed into the cabinet body, so that fire extinguishing operation on the inside of the high-low voltage switch cabinet is realized.

Drawings

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

FIG. 2 is a schematic diagram of the structure of the cabinet of the utility model;

fig. 3 is a schematic view of the structure of the housing of the present utility model.

The device comprises a cabinet body 1, a cabinet door 2, a cabinet door 3, a shell 4, a bracket 5, a tank body 6, a connecting pipe 7, an electromagnetic valve 8, an exhaust pipe 9, a through hole 10, an exhaust fan 11, a temperature sensor 12, a smoke sensor 13, a cabinet body 14, a storage battery 15, a PLC controller 16, a plugging mechanism 1601, a limiting rod 1602, a baffle plate 1603, a rotating shaft 1604, a gear 1605, a rack 1606, a motor 1607, a protective cover 17, a drainage plate 18, a ventilation groove 19 and a dustproof screen.

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.

Examples

As shown in fig. 1, fig. 2 and fig. 3, the high-low voltage switch cabinet with good safety according to one embodiment of the utility model comprises a cabinet body 1, a cabinet door 2 is hinged on the front surface of the cabinet body 1, a visual observation window is arranged on the front surface of the cabinet door 2, so that the condition inside the cabinet body 1 can be conveniently checked outside, two sides of the cabinet body 1 are communicated and fixed with a shell 3, a bracket 4 is fixed inside the shell 3, a tank body 5 is fixed on the inner wall of the bottom of the bracket 4, a connecting pipe 6 is communicated and fixed on the top end of the tank body 5, an electromagnetic valve 7 is arranged on the connecting pipe 6, an exhaust pipe 8 is fixed on the bracket 4, the connecting pipe 6 is respectively communicated and fixed with the corresponding exhaust pipe 8, two through holes 9 are formed on one side of the shell 3, a dustproof net 19 is fixed inside the through holes 9, and effects on electric elements inside the cabinet body 1 caused by dust and floccules can be prevented from entering the inside the cabinet body through the through holes 9, wherein the inside of two through openings 9 is fixed with air discharge fan 10, the top inner wall of cabinet 1 is fixed with temperature sensor 11 and smoke sensor 12, the top of cabinet 1 is fixed with box 13, the inside of box 13 is fixed with battery 14 and PLC controller 15, battery 14 and PLC controller 15 electric connection, PLC controller 15 electric connection solenoid valve 7, temperature sensor 11 and smoke sensor 12, one lateral wall of casing 3 all is provided with the shutoff mechanism 16 that is used for sheltering from through opening 9, use this high low switch cabinet in-process, can set up the inside highest temperature early warning of cabinet 1 through temperature sensor 11, when the inside temperature of cabinet 1 is too high, temperature sensor 11 can give the signal transmission to PLC controller 15 this moment, then PLC controller 15 can control air discharge fan 10 to start, thereby dispel the heat to the inside of cabinet body 1, simultaneously when the inside conflagration that takes place of cabinet body 1, when temperature sensor 11 can feel the temperature unusual, then behind smoke sensor 12 feel smog, both can send the signal simultaneously to PLC controller 15, PLC controller 15 can control shutoff mechanism 16 and carry out the shutoff to opening 9 then, and after control solenoid valve 7 opens, the inside carbon dioxide of jar body 5 just can carry blast pipe 8 through connecting pipe 6 and blow out to the inside of cabinet body 1 this moment, can reduce its inside oxygen concentration when carbon dioxide gas distributes in the inside of cabinet body 1, thereby can carry out stifling fire extinguishing to the inside flame of cabinet body 1.

As shown in fig. 1 and 3, in some embodiments, the plugging mechanism 16 includes two stop rods 1601 fixed on a side wall of the housing 3, two baffles 1602 are slidably connected between the two stop rods 1601, a side wall of the housing 3 is rotatably connected with a rotating shaft 1603 through a bearing, a surface fixed gear 1604 of the rotating shaft 1603, racks 1605 are fixed on a side wall of the baffles 1602, the racks 1605 are engaged with the gears 1604, a motor 1606 is fixed on a side wall of the housing 3, an output end of the motor 1606 is fixedly connected with one end of the rotating shaft 1603, and the PLC controller 15 is electrically connected with the motor 1606.

As shown in fig. 1 and 2, in some embodiments, a protective cover 1607 for shielding the motor 1606 is fixed to one side wall of the two stop bars 1601, so as to protect the motor 1606 and components outside the housing 3.

As shown in fig. 2, in some embodiments, a drainage plate 17 is fixed inside the cabinet body 1, and ventilation slots 18 are formed at the top of the drainage plate 17 at equal intervals, so that air entering from the outside can uniformly flow on the surface of an electrical element inside the cabinet body 1, so as to enhance the heat dissipation effect inside the cabinet body 1.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The high-low voltage switch cabinet with good safety comprises a cabinet body (1) and is characterized in that the front of the cabinet body (1) is hinged with a cabinet door (2), two sides of the cabinet body (1) are communicated and fixed with a shell (3), a support (4) is fixed in the shell (3), a tank body (5) is fixed on the inner wall of the bottom of the support (4), a connecting pipe (6) is fixedly connected with the top of the tank body (5), an electromagnetic valve (7) is arranged on the connecting pipe (6), exhaust pipes (8) are fixedly arranged on the support (4), the connecting pipe (6) is fixedly communicated with the corresponding exhaust pipes (8) respectively, two through holes (9) are formed in one side of the shell (3), an exhaust fan (10) is fixedly arranged in the two through holes (9), a temperature sensor (11) and a smoke sensor (12) are fixedly arranged on the inner wall of the top of the cabinet body (1), a box (13) is fixedly arranged on the top of the cabinet body (1), an exhaust fan (13) is fixedly arranged in the inner wall of the box (13), a storage battery controller (15), an electric controller (15) and a power supply (15) are electrically connected with the electromagnetic valve (15), one side wall of the shell (3) is provided with a blocking mechanism (16) for blocking the through hole (9).

2. The high-low voltage switch cabinet with good safety according to claim 1, wherein the blocking mechanism (16) comprises two limiting rods (1601) fixed on one side wall of the shell (3), two baffle plates (1602) are slidably connected between the two limiting rods (1601), one side wall of the shell (3) is rotatably connected with a rotating shaft (1603) through a bearing, a gear (1604) is fixed on one side wall of the baffle plates (1602), racks (1605) are fixed on one side wall of the baffle plates (1602), the racks (1605) are meshed with the gear (1604), a motor (1606) is fixed on one side wall of the shell (3), an output end of the motor (1606) is fixedly connected with one end of the rotating shaft (1603), and the PLC (15) is electrically connected with the motor (1606).

3. The high-low voltage switch cabinet with good safety as claimed in claim 2, wherein a protective cover (1607) for shielding the motor (1606) is fixed on one side wall of the two limiting rods (1601).

4. The high-low voltage switch cabinet with good safety according to claim 1 is characterized in that a drainage plate (17) is fixed in the cabinet body (1), and ventilation grooves (18) are formed in the top of the drainage plate (17) at equal intervals.

5. The high-low voltage switch cabinet with good safety according to claim 1 is characterized in that dustproof nets (19) are fixed in the through holes (9).

6. The high-low voltage switch cabinet with good safety according to claim 1 is characterized in that a visual observation window is arranged on the front surface of the cabinet door (2).