CN211267323U - Smoke prevention and exhaust control cabinet - Google Patents

Abstract

The utility model discloses a smoke-proof and smoke-discharging control cabinet, which comprises a cabinet body, a smoke-discharging structure, a smoke-proof and ventilating structure, a wire arranging structure and a bottom support structure, wherein the front side of the cabinet body is of an open structure, the left side of the front end opening of the cabinet body is hinged with a cabinet door through a hinge, four corners of the inner rear wall surface of the cabinet body are provided with evenly distributed pillars, the front ends of the pillars are fixedly connected with the rear wall surface of a mounting plate, the smoke-proof and smoke-discharging control cabinet provides stable and safe bottom support, simultaneously, the installation of an electrical appliance management control element is convenient, the wire arranging classification of cables in the cabinet body is realized, the smoke condition in the cabinet body is detected in real time, the high-efficiency smoke-proof and smoke-discharging and heat-dissipating operation can be realized according to the smoke and heat-dissipating conditions, the working efficiency of the internal management element is improved, thereby the normal smoke, provides a safe environment for personnel in the building and managing electrical components in the cabinet body.

Description

Smoke prevention and exhaust control cabinet

Technical Field

The utility model relates to a distribution management equipment technical field specifically is a smoke protection and exhaust control cabinet.

Background

In the security protection of buildings, a smoke prevention and exhaust system is a key safety guarantee and comprises an air supply and exhaust pipeline, a pipe well, a fire prevention valve, door switching equipment, an air supply, an exhaust fan and other equipment, the smoke prevention system is arranged in a positive pressure manner between stairs, the smoke discharge amount of the mechanical smoke exhaust system is in direct relation with a smoke prevention subarea, the smoke prevention facilities of a high-rise building are divided into smoke prevention facilities for mechanical pressurization air supply and natural smoke exhaust facilities for opening an external window, special control elements are required to regulate and control in the operation of the air supply and smoke exhaust equipment, the control elements need special cabinet bodies as placing and supporting places, but the traditional smoke prevention and exhaust control cabinet has a plurality of defects, the cabinet bodies cannot realize stable and safe bottom support, and is not convenient for installation of electrical appliance management and control elements and cannot realize cable management and classification of the cabinet bodies, the emergence of the chaotic condition that can't avoid the cable to drop, the internal smog of cabinet can't accomplish timely processing with the heat dissipation condition, can't real-time detection cabinet internal smog condition, consequently can't realize carrying out high-efficient smoke protection and discharging fume and heat dissipation operation to cabinet internal environment according to smog and heat condition, can't guarantee inside operational environment, cause the work efficiency of inside management component to be low, forced draught blower and exhaust fan operation in can't rationally adjusting the building effectively, and then can't guarantee that the normal smoking of wind channel is discharged fume in the building, can't carry out remote management and control, personnel's work burden has invisibly been increased, personnel and the internal management electrical components's of cabinet security environment in the building security environment is more indiscriminate, consequently, the realization that can solve a kind of smoke protection and discharge control cabinet of this type of problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, a smoke protection and exhaust control cabinet is provided, a stable and safe bottom sprag is provided, the installation of the electrical apparatus management control component of being convenient for simultaneously, it is categorised to realize the reason line of the internal cable of cabinet, the internal smog condition of real-time detection cabinet, can realize carrying out high-efficient smoke protection and exhaust and the radiating operation to the internal environment of cabinet according to smog and heat dissipation condition, suitable operational environment has been guaranteed, forced draught blower and exhaust fan operation in can rationally adjusting building effectively, guarantee that the normal smoking of wind channel in the building is discharged fume, the long-range management and control of being convenient for, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a smoke prevention and exhaust control cabinet comprises a cabinet body, a smoke exhaust structure, a smoke prevention and ventilation structure, a wire arrangement structure and a bottom support structure;

the cabinet body: the front side of the cabinet body is of an open structure, the left side of the opening at the front end of the cabinet body is hinged with a cabinet door through a hinge, four corners of the inner rear wall surface of the cabinet body are provided with uniformly distributed support columns, the front ends of the support columns are fixedly connected with the rear wall surface of the mounting plate, and the front side plate body of the mounting plate is provided with uniformly distributed mounting holes;

the smoke exhaust structure comprises: the smoke exhaust structure is arranged at a left round hole of the cabinet body in a matching manner;

smoke prevention structure of taking a breath: the smoke-proof ventilation structure is uniformly arranged on the right wall body of the cabinet body;

the wire arrangement structure comprises: the wire arranging structure is arranged on the rear side face of the cabinet door in a matched mode;

the bottom bracing structure: the bottom support structure is arranged at the bottom end of the cabinet body in a matching manner;

wherein: the multifunctional cabinet door is characterized by further comprising a PLC, a GPRS data transmitter, a key-in panel, a transparent protective cover, a handle, a wire hole and a smoke sensor, wherein the smoke sensor, the PLC and the GPRS data transmitter are sequentially arranged on the left wall surface of the interior of the cabinet body from top to bottom, the key-in panel is arranged at the upper end of the front side of the cabinet door, the transparent protective cover is hinged to the upper end of the front side of the cabinet door through a hinge and is matched with the key-in panel, the handle is arranged at the right end of the front side of the transparent protective cover, the wire hole is arranged in the middle of the cabinet body of the cabinet door, the output ends of the key-in panel and the smoke sensor are electrically connected with the input end of the PLC, the GPRS data transmitter and the PLC are electrically connected in a two-way manner, the output end of the PLC is electrically connected with an external power supply, stable, the internal smog condition of real-time detection cabinet, can realize carrying out high-efficient smoke protection to cabinet internal environment according to smog and heat dissipation condition and discharge fume and the heat dissipation operation, the suitable operational environment has been guaranteed, the work efficiency of inside management component has been promoted, personnel can key the instruction through typing the panel, forced draught blower and exhaust fan operation in can rationally adjusting the building effectively, guarantee that the normal smoking of wind channel in the building is discharged fume, also can be under wireless network's support, realize data sharing through GPRS data transmitter, be convenient for remote management and control, personnel's work burden has been alleviateed, personnel and the internal management electrical components of cabinet provide the secure environment in the building.

Further, the fume exhaust structure includes external pipe, axial fan, connecting pipe, small opening plectane, active carbon filter pulp, spiral cotton piece and filter screen, external pipe cooperation sets up in the left side round hole outside of the cabinet body, and axial fan cooperation sets up in the inside of external pipe, and the left end threaded connection of connecting pipe and external pipe, small opening plectane cooperation set up in the inside right side of connecting pipe, and the active carbon filter pulp cooperation sets up in the right side of small opening plectane, and the cooperation of spiral cotton piece sets up in the intraductal middle part of connecting pipe, and the filter screen passes through the bolt to be connected with the left end cooperation of connecting pipe, and the output of PLC controller is connected to axial fan's input electricity, realizes the thorough smog filtration.

Further, smoke-proof structure of taking a breath is including taking a breath bar mouth, air filter, smoking cotton and protection arc cover, the bar mouth of taking a breath evenly sets up on the right wall body of the cabinet body, and the air filter sets up inside the bar mouth of taking a breath that corresponds, and the smoking cotton sets up in the inboard of air filter, and the protection arc cover cooperation sets up on the right wall body of the cabinet body, and sets up with the bar mouth cooperation of taking a breath that corresponds, and smog when realizing gas exchange filters.

Further, the wire arrangement structure comprises a wire arrangement plate, a wire arrangement groove and a sealing cover plate, the wire arrangement plate is arranged on the rear side face of the cabinet door in a matched mode, the wire arrangement groove is evenly formed in the rear side of a plate body of the wire arrangement plate, the sealing cover plate is connected with the wire arrangement plate through bolts, and the wire arrangement classification of cables in the cabinet body is achieved.

Further, the bottom bracing structure includes insulation board, end fagging and fixed orifices, the insulation board sets up in the bottom of the cabinet body, and the cooperation of end fagging sets up in the bottom of insulation board, and the fixed orifices symmetry cooperation sets up in the upper end both sides of end fagging, realizes the bottom sprag of temperature.

Compared with the prior art, the beneficial effects of the utility model are that: this smoke protection and exhaust switch board has following benefit:

1. smoke sensor real-time detection cabinet is internal smog data, and present data and give PLC controller integrated analysis for passing by the hand, be higher than the specified value after smog data, axial fan operation, inhale external gas, the gas before inhaling filters through the filter screen dust, it inhales smog efficiency to improve through spiral cotton piece increase area of contact, filter the cotton through active carbon and realize further thorough smoke abatement operation, the internal inside smog of the gas input cabinet that removes clean smog is accelerated and is discharged through the bar mouth of taking a breath, the heat that produces in the cabinet body also can be dispelled through above-mentioned mode in the use at ordinary times, and then realize the high-efficient smoke prevention and exhaust fume and the heat dissipation operation to cabinet body internal environment, the suitable operational environment has been guaranteed, the work efficiency of internal management component has been promoted.

2. At the out of work of axial fan and need carry out gas exchange or when needing to strain the cigarette to cabinet body inside, the smoking cotton on the air filter screen, the filtration of smog in the gaseous all can be guaranteed to spiral cotton piece and active carbon filter cotton, personnel can enter the instruction through typing the panel, under the management and control of PLC controller, adjust forced draught blower and exhaust fan operation in the building, guarantee that the normal smoking of wind channel in the building is discharged fume, transparent visor can prevent to type the panel and bump the emergence of maloperation condition by mistake when not using, personnel also can be under wireless network's support, realize data sharing through GPRS data transmission ware, be convenient for long-range management and control.

3. The fixing holes in the two sides of the upper end of the bottom supporting plate are connected with the installation part through the bolts, so that the cabinet body can be quickly installed and firmly fixed, the insulation plate is used for insulating the cabinet body when being connected with the bottom end structure, the use safety is guaranteed, the required electrical appliance management control elements are placed in the installation holes in the installation plate through the insulation bolts, the stable and safe bottom support is realized, and the electrical appliance management control elements can be conveniently installed.

4. The cable arranging grooves which are evenly distributed on the rear side of the cable arranging plate are used for arranging and arranging cables of the same type, the sealing cover plate is connected with the cable arranging plate through bolts, the cable arranging grooves are closed, cable arranging classification of the cables is achieved, and the occurrence of the disordered situation that the cables fall is avoided.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic view of the inside of the cabinet body of the structure of the present invention;

FIG. 3 is a schematic view of the inside cross section of the smoke exhausting structure of the present invention;

FIG. 4 is a schematic plan view of the inner section of the smoke-proof ventilation structure of the present invention;

fig. 5 is a schematic plan view of the internal section of the structure wire arrangement structure of the present invention.

In the figure: 1 cabinet body, 2 pillars, 3 mounting plates, 4 mounting holes, 5 smoke exhaust structures, 51 external pipes, 52 axial flow fans, 53 connecting pipes, 54 leak hole circular plates, 55 activated carbon filter cotton, 56 spiral cotton sheets, 57 filter screens, 6 smoke prevention and air exchange structures, 61 air exchange strip-shaped openings, 62 air filter screens, 63 smoke absorption cotton, 64 protection arc covers, 7 cabinet doors, 8 wire arrangement structures, 81 wire arrangement plates, 82 wire arrangement grooves, 83 sealing plates, 9PLC (programmable logic controller), 10 GPRS (general packet radio service) data transmitters, 11 bottom support structures, 111 insulating plates, 112 bottom support plates, 113 fixing holes, 12 key-in panels, 13 transparent protective covers, 14 handles, 15 wire holes and 16 smoke sensors.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a smoke prevention and exhaust control cabinet comprises a cabinet body 1, a smoke exhaust structure 5, a smoke prevention and ventilation structure 6, a wire arrangement structure 8 and a bottom support structure 11;

the cabinet body 1: the front side of the cabinet body 1 is of an open structure, the cabinet body 1 provides an installation space for electrical management control elements, the left side of the front end opening of the cabinet body 1 is hinged with a cabinet door 7 through a hinge, the cabinet door 7 realizes the opening and closing of the front end opening of the cabinet body 1, four corners of the inner rear wall surface of the cabinet body 1 are provided with uniformly distributed support columns 2, the support columns 2 provide support, the front ends of the support columns 2 are fixedly connected with the rear wall surface of the mounting plate 3, uniformly distributed mounting holes are formed in the front side plate body of the mounting plate 3, and the required electrical management control elements are placed on the mounting holes 4 in the mounting;

and (5) a smoke exhaust structure: the smoke exhaust structure 5 is arranged at a left circular hole of the cabinet body 1 in a matching manner, the smoke exhaust structure 5 comprises an external pipe 51, an axial flow fan 52, a connecting pipe 53, a leak circular plate 54, activated carbon filter cotton 55, a spiral cotton sheet 56 and a filter screen 57, the external pipe 51 is arranged outside the left circular hole of the cabinet body 1 in a matching manner, the axial flow fan 52 is arranged inside the external pipe 51 in a matching manner, the connecting pipe 53 is in threaded connection with the left end of the external pipe 51, the leak circular plate 54 is arranged on the right side inside the connecting pipe 53 in a matching manner, the activated carbon filter cotton 55 is arranged on the right side of the leak circular plate 54 in a matching manner, the spiral cotton sheet 56 is arranged in the middle of the connecting pipe 53 in a matching manner, the filter screen 57 is connected with the left end of the connecting pipe 53 in a matching manner through a bolt, the axial flow fan 52 operates, the further and thorough smoke removal operation is realized through the activated carbon filter cotton 55;

smoke-proof ventilation structure 6: the smoke-proof ventilation structure 6 is uniformly arranged on the right wall body of the cabinet body 1, the smoke-proof ventilation structure 6 comprises ventilation bar-shaped openings 61, air filter screens 62, smoking cotton 63 and protective arc covers 64, the ventilation bar-shaped openings 61 are uniformly arranged on the right wall body of the cabinet body 1, the air filter screens 62 are arranged inside the corresponding ventilation bar-shaped openings 61, the smoking cotton 63 is arranged on the inner sides of the air filter screens 62, the protective arc covers 64 are arranged on the right wall body of the cabinet body 1 in a matched mode and are matched with the corresponding ventilation bar-shaped openings 61, the ventilation bar-shaped openings 61 guarantee normal ventilation and heat dissipation, the air filter screens 62 play a role in dust filtration, smoke is sucked and removed when the smoking cotton 63 realizes gas exchange, the protective arc covers 64 play a role in protecting the outer portions of the ventilation;

the wire arranging structure 8: the cable arranging structure 8 is arranged on the rear side face of the cabinet door 7 in a matched mode, the cable arranging structure 8 comprises a cable arranging plate 81, a cable arranging groove 82 and a sealing plate 83, the cable arranging plate 81 is arranged on the rear side face of the cabinet door 7 in a matched mode, the cable arranging grooves 82 are uniformly arranged on the rear side of a plate body of the cable arranging plate 81, the sealing plate 83 is connected with the cable arranging plate 81 through bolts, cables of the same type are arranged and arranged in the cable arranging grooves 82 uniformly distributed on the rear side of the cable arranging plate 81, the sealing plate 83 is connected with the cable arranging plate 81 through bolts, the opening of the cable arranging groove 82 is closed, and cables classified by arranging are prevented from falling;

the bottom bracing structure 11: the bottom bracing structure 11 is arranged at the bottom end of the cabinet body 1 in a matching manner, the bottom bracing structure 11 comprises an insulating plate 111, bottom bracing plates 112 and fixing holes 113, the insulating plate 111 is arranged at the bottom end of the cabinet body 1, the bottom bracing plates 112 are arranged at the bottom end of the insulating plate 111 in a matching manner, the fixing holes 113 are symmetrically arranged at two sides of the upper end of the bottom bracing plates 112 in a matching manner, the fixing holes 113 at two sides of the upper end of the bottom bracing plates 112 are connected with an installation part through bolts, so that the cabinet body 1 is quickly installed and firmly fixed, the insulating plate 111 plays a role in insulating when the cabinet body 1 is connected with the bottom end;

wherein: the intelligent household air conditioner also comprises a PLC (programmable logic controller) 9, a GPRS (general packet radio service) data transmitter 10, a key-in panel 12, a transparent protective cover 13, a handle 14, a wire hole 15 and a smoke sensor 16, wherein the PLC 9 regulates the normal operation of each device, personnel can also realize data sharing through the GPRS data transmitter 10 under the support of a wireless network, and remote control is facilitated, instructions can be input through the key-in panel 12, the operation of a blower and an exhaust fan in a building is regulated through the control of the PLC 9, so as to ensure the smoking and smoke discharge of an air duct in the building, the transparent protective cover 13 can prevent the key-in panel 12 from mistakenly touching and being mistakenly operated when not in use, the handle 14 facilitates the opening and closing of the transparent protective cover 13, the wire hole 15 realizes the penetration and penetration of a cable, the smoke sensor 16 detects the smoke data in the cabinet body 1 in real time, and the smoke sensor 16, the PLC 9, key-in panel 12 sets up in the front side upper end of cabinet door 7, transparent visor 13 articulates in the front side upper end of cabinet door 7 through the hinge, and set up with key-in panel 12 cooperation, handle 14 sets up in the front side right-hand member of transparent visor 13, line hole 15 sets up in the cabinet body middle part of cabinet door 7, the input of PLC controller 9 is all connected to key-in panel 12 and smoke transducer 16's output electricity, GPRS data transmission ware 10 and PLC controller 9 two-way electricity are connected, external power source is connected to PLC controller 9's output electricity, PLC controller 9's output electricity is connected to axial fan 52's input electricity.

When in use: the fixing holes 113 on the two sides of the upper end of the bottom supporting plate 112 are connected with the mounting part through bolts, so that the cabinet body 1 is quickly mounted and firmly fixed, the insulating plate 111 plays a role in insulating when the cabinet body 1 is connected with a bottom structure, the use safety is ensured, required electrical appliance management control elements are placed on the mounting holes 4 on the mounting plate 3 through the insulating bolts, cables of the same type are arranged and managed through the cable management grooves 82 uniformly distributed on the rear side of the cable management plate 81, the cable management grooves 82 are connected with the cable management plate 81 through bolts through the sealing cover plate 83, the closing of the cable management grooves 82 is realized, the cable management classification is realized, the occurrence of the disordered cable falling is avoided, the smoke sensor 16 detects the smoke data in the cabinet body 1 in real time and transmits the data to the PLC 9 for integration and analysis, when the smoke data is higher than a specified value, the axial flow fan 52 operates to suck the outside air, the air before suction is, the contact area is increased by the spiral cotton piece 56 to improve the smoke absorbing and removing efficiency, the smoke removing operation is further thoroughly realized by the activated carbon filter cotton 55, the gas for removing the smoke is input into the cabinet body 1 to accelerate the discharge of the internal smoke through the ventilation strip-shaped port 61, the heat generated in the cabinet body 1 can be dissipated by the above mode in normal use, when the axial flow fan 52 does not work for gas exchange or needs to filter the smoke, the smoke absorbing cotton 63 on the air filter net 62, the spiral cotton piece 56 and the activated carbon filter cotton 55 can ensure the filtration of the smoke in the gas, the instruction can be input by the key-in panel 12, the operation of the blower and the exhaust fan in the building can be adjusted under the control of the PLC 9 to ensure the smoke absorption of the air duct in the building, the transparent protective cover 13 can prevent the key-in panel 12 from mistakenly touching the misoperation when not in use, and the personnel can also be supported by, data sharing is realized through the GPRS data transmitter 10, and remote control is facilitated.

It should be noted that the specific model of the PLC controller 9 disclosed in this embodiment is siemens S7-200, the smoke sensor 16 may be a JTY-LZ-1424 smoke sensor, the axial flow fan 52 may be a siemens W2D250-GA04-09 axial flow fan, the PLC controller 9 controls the axial flow fan 52 to operate by a method commonly used in the prior art, and the smoke sensor 16, the GPRS data transmitter 10, and the axial flow fan 52 are all common elements of a power distribution management device in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a smoke prevention and exhaust switch board which characterized in that: comprises a cabinet body (1), a smoke exhaust structure (5), a smoke prevention and air exchange structure (6), a wire arrangement structure (8) and a bottom support structure (11);

cabinet (1): the front side of the cabinet body (1) is of an open structure, the left side of the front end opening of the cabinet body (1) is hinged with a cabinet door (7) through a hinge, four corners of the inner rear wall surface of the cabinet body (1) are provided with uniformly distributed pillars (2), the front ends of the pillars (2) are fixedly connected with the rear wall surface of the mounting plate (3), and the front side plate body of the mounting plate (3) is provided with uniformly distributed mounting holes (4);

smoke evacuation structure (5): the smoke exhaust structure (5) is arranged at a left round hole of the cabinet body (1) in a matching manner;

smoke-proof ventilation structure (6): the smoke-proof ventilation structure (6) is uniformly arranged on the right wall body of the cabinet body (1);

wire management structure (8): the wire arranging structure (8) is arranged on the rear side face of the cabinet door (7) in a matched mode;

bottom support structure (11): the bottom support structure (11) is arranged at the bottom end of the cabinet body (1) in a matching manner;

wherein: the multifunctional cabinet is characterized by further comprising a PLC (programmable logic controller) (9), a GPRS data transmitter (10), a key-in panel (12), a transparent protective cover (13), a handle (14), a line hole (15) and a smoke sensor (16), wherein the smoke sensor (16), the PLC (9) and the GPRS data transmitter (10) are sequentially arranged on the left wall surface in the cabinet body (1) from top to bottom, the key-in panel (12) is arranged at the upper end of the front side of the cabinet door (7), the transparent protective cover (13) is hinged to the upper end of the front side of the cabinet door (7) through a hinge and is matched with the key-in panel (12), the handle (14) is arranged at the right end of the front side of the transparent protective cover (13), the line hole (15) is arranged in the middle of the cabinet body of the cabinet door (7), the output ends of the key-in panel (12) and the smoke sensor (16) are electrically connected with the input end of the PLC (9, the output end of the PLC (9) is electrically connected with an external power supply.

2. The smoke and smoke control cabinet according to claim 1, wherein: the smoke exhaust structure (5) comprises an external pipe (51), an axial flow fan (52), a connecting pipe (53), a leak circular plate (54), activated carbon filter cotton (55), a spiral cotton sheet (56) and a filter screen (57), external pipe (51) cooperation sets up in the left side round hole outside of the cabinet body (1), axial fan (52) cooperation sets up in the inside of external pipe (51), the left end threaded connection of connecting pipe (53) and external pipe (51), leak plectane (54) cooperation sets up in the inside right side of connecting pipe (53), activated carbon filter pulp (55) cooperation sets up in the right side of leak plectane (54), spiral pulp piece (56) cooperation sets up in the intraductal middle part of connecting pipe (53), filter screen (57) are connected through the left end cooperation of bolt with connecting pipe (53), the output of PLC controller (9) is connected to the input electricity of axial fan (52).

3. The smoke and smoke control cabinet according to claim 1, wherein: the smoke-proof ventilation structure (6) comprises a ventilation bar-shaped opening (61), an air filter screen (62), smoking cotton (63) and a protection arc-shaped cover (64), the ventilation bar-shaped opening (61) is uniformly arranged on the right wall body of the cabinet body (1), the air filter screen (62) is arranged inside the corresponding ventilation bar-shaped opening (61), the smoking cotton (63) is arranged on the inner side of the air filter screen (62), and the protection arc-shaped cover (64) is arranged on the right wall body of the cabinet body (1) in a matched manner and is matched with the corresponding ventilation bar-shaped opening (61).

4. The smoke and smoke control cabinet according to claim 1, wherein: reason line structure (8) are including reason line board (81), reason line groove (82) and closing plate (83), reason line board (81) cooperation sets up on the trailing flank of cabinet door (7), and reason line groove (82) evenly set up in the plate body rear side of reason line board (81), and closing plate (83) are connected with reason line board (81) through the bolt.

5. The smoke and smoke control cabinet according to claim 1, wherein: the bottom bracing structure (11) comprises an insulating plate (111), a bottom bracing plate (112) and fixing holes (113), the insulating plate (111) is arranged at the bottom end of the cabinet body (1), the bottom bracing plate (112) is matched and arranged at the bottom end of the insulating plate (111), and the fixing holes (113) are symmetrically matched and arranged at two sides of the upper end of the bottom bracing plate (112).

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