CN219937732U - Dampproofing mechanism and dampproofing electrical control cabinet - Google Patents

Abstract

The utility model relates to the technical field of protection of electric element control pieces, in particular to a moistureproof mechanism and a moistureproof electric control cabinet, which comprise an exhaust assembly, a first air exhaust assembly, a second air exhaust assembly and a third air exhaust assembly, wherein the support comprises two rectangular frames which are symmetrical front and back and are internally provided with cavities, communicating pipes which are fixedly arranged at four corner positions of the rectangular frames and are used for realizing the communication of the cavities in the two rectangular frames, and a placing plate which is arranged at the upper end position of the rectangular frames and is used for realizing the fixation of the two rectangular frames; and, air supply assembly, it includes first wind-guiding box and air pump, first wind-guiding box fixed connection is in the inlet port group outside place on the board bottom surface, the end of giving vent to anger of air pump communicates with first wind-guiding box through first gas-supply pipe, and this kind of dampproofing mechanism can be under the circumstances of circulating the circulation to inside air when using, realizes drying dehumidification to the air to play certain guard action to electrical components.

Description

Dampproofing mechanism and dampproofing electrical control cabinet

Technical Field

The utility model relates to the technical field of protection of electrical element control parts, in particular to a moistureproof mechanism and a moistureproof electrical control cabinet.

Background

The power plant mainly burns through the fuel, thereby finally converts the chemical energy of fuel into electric energy and realizes the electricity generation, can all use electrical equipment at the crushing of the fuel of power plant, carry and control combustion's in-process, and in order to realize electrical equipment's centralized control, the staff can place the electrical equipment who is used for controlling electrical equipment in the switch board, but current switch board does not possess dampproofing function, after the switch board is inside to wet, influence the normal operation of equipment easily, can appear the condition of electrical equipment short circuit even, and then shortened the life of the inside electrical equipment of switch board, the security has been reduced simultaneously.

In addition, the prior control cabinet can generate a large amount of heat in long-time use, and the effective heat dissipation is difficult to be carried out only through the heat dissipation fan, so that the service life of the electrical element is reduced.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The utility model is provided in view of the problem that the prior electrical control cabinet has poor dampproof effect when in use and affects the normal use of electrical elements.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a dampproofing mechanism, includes, exhaust subassembly, including support frame and right-angle plate, the support frame includes two rectangular frames that are fore-and-aft symmetry and inside are the cavity, sets firmly at four corner positions of rectangular frame and realizes the communicating pipe of the cavity intercommunication in two rectangular frames and sets up in rectangular frame upper end position and realizes the fixed standing board of two rectangular frames, set up the standing groove of upper end opening and communicating with the cavity in the standing board, the inlet port group has been seted up in the middle part of the bottom surface of standing groove, just the inlet port group both sides all have placed the dry layer in the standing groove, be provided with the outlet duct with the cavity intercommunication along vertical direction array on the side of the vertical pole of rectangular frame; and the air supply assembly comprises a first air guide box and an air pump, wherein the first air guide box is fixedly connected to the bottom surface of the placing plate at the outer side of the air inlet hole group, and the air outlet end of the air pump is communicated with the first air guide box through a first air conveying pipe.

As a preferred embodiment of the moisture-proof mechanism of the present utility model, wherein: and a sealing plate is arranged above the drying layer and is fixedly connected with the placing plate through a screw.

As a preferred embodiment of the moisture-proof mechanism of the present utility model, wherein: the air pump is fixedly connected to the bottom surface of the placement plate, the air inlet end of the air pump is fixedly connected with a second air pipe, a third air pipe is fixedly connected to the side wall of the second air pipe in a communicated mode, and a first electromagnetic valve is fixedly installed on the third air pipe.

As a preferred embodiment of the moisture-proof mechanism of the present utility model, wherein: a flow guide pipe is arranged between the front and back aligned air outlet pipes on the two rectangular frames, and air outlet holes are arranged on one side surface of the flow guide pipe, which is close to the inner wall of the rectangular frame, along the axial direction in an array manner.

As a preferred embodiment of the moisture-proof mechanism of the present utility model, wherein: the two ends of the guide pipe are both in sliding sleeve connection with the locking cap, a limiting ring is fixedly arranged on the outer side wall of the guide pipe on the inner side of the locking cap, an inner thread is arranged on the inner wall of the locking cap, and meanwhile, an outer thread for screw fit with the inner thread is arranged on the outer side wall of the air outlet pipe.

The beneficial effects of the utility model are as follows: this dampproofing mechanism sets up inside the switch board body when using, through the work of air pump, the inside air of switch board body loops through third gas-supply pipe, second gas-supply pipe and first wind-guiding box, and finally get into the standing groove through the inlet port group, the dry layer in the standing groove dries the moisture in the air, the air rethread cavity after the drying is accomplished is discharged from each outlet duct position, get into inside the switch board body, so can realize the circulation drying of the inside air of switch board body, such dry mode can effectively avoid the switch board body because of the setting of itself leak or entrance hole leads to steam to get into inside the switch board body and causes the influence to electrical components.

In view of the problems that in the prior art, the control cabinet body only dissipates heat to the inside through the heat dissipation fan, so that the heat dissipation effect is poor, and the service life of an electrical element is indirectly reduced, the moistureproof electrical control cabinet is provided.

In order to solve the technical problems, the utility model also provides the following technical scheme: the dampproof electrical control cabinet comprises a dampproof mechanism; and the control cabinet body comprises a box body used for placing an exhaust component and a box door hinged on one side of the front end of the box body through a hinge, an air vent group is arranged at the upper end position of the box door, a rotating track surface taking the hinge as a shaft of the air vent group is positioned on the inner side of a second air guide box, the second air guide box is fixedly connected with one end of a second air pipe in a communicating manner, and a second electromagnetic valve is fixedly arranged on the second air pipe at the position between the second air guide box and a third air pipe.

As a preferable scheme of the moistureproof electrical control cabinet, the moistureproof electrical control cabinet comprises the following components: the edge of the opening end of the second air guide box is sleeved with a rubber sealing frame, and the rubber sealing frame is bonded with the second air guide box through an adhesive.

As a preferable scheme of the moistureproof electrical control cabinet, the moistureproof electrical control cabinet comprises the following components: the connecting pipe is fixedly sleeved with a mounting sleeve, the mounting sleeve is integrally formed and arranged on the inner side of the right-angle plate, and the right-angle plate is fixedly connected to the inner wall of the box body through screws.

As a preferable scheme of the moistureproof electrical control cabinet, the moistureproof electrical control cabinet comprises the following components: the lower extreme position of chamber door has seted up the convex slot, clearance fit has the fly leaf in the convex slot small-size one end, four corner positions of fly leaf are all connected in same fixed frame through the telescopic column, just the telescopic column slip cup joints on the chamber door.

As a preferable scheme of the moistureproof electrical control cabinet, the moistureproof electrical control cabinet comprises the following components: the refrigerator door is close to one side of the refrigerator body, the telescopic column is sleeved with a reset spring in a sliding mode, and the refrigerator door at the convex groove position is fixedly provided with an electromagnetic plate for carrying out magnetic adsorption on the fixed frame.

The utility model has the following beneficial effects: when the control cabinet body is used, when the temperature of the inside is too high, the second electromagnetic valve is opened, the first electromagnetic valve is closed, so that under the operation of the air pump, outside air can enter the placing groove through the air vent group and the second air guide box, and after the air is dried through the drying layer, the air is discharged into the inside of the control cabinet body, so that the effect of avoiding the influence of the too high internal temperature on the service life of the electrical element is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic view of the overall structure of the moistureproof mechanism.

Fig. 2 is a vertical cross-sectional view of the structure of fig. 1.

Fig. 3 is a schematic view of the whole structure of the support frame.

Fig. 4 is a view of the draft tube and locking cap to be mated.

Fig. 5 is a schematic diagram of the overall structure of the air supply assembly.

Fig. 6 is a schematic diagram of the overall structure of the moisture-proof electrical control cabinet.

Fig. 7 is a schematic diagram of the cooperation of the door, the movable plate and the electromagnetic plate.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1 to 6, in a first embodiment of the present utility model, a moisture-proof mechanism is provided, which is detachably installed on the inner side of a control cabinet body 300, and electrical components can be arranged on the inner side of an air exhaust assembly 100 according to actual situations, and air circulation drying inside the control cabinet body 300 is achieved under the cooperation of the air exhaust assembly 100 and an air supply assembly 200.

Specifically, the exhaust assembly 100 comprises a support frame 101 and a right angle plate 103, wherein the support frame 101 comprises two rectangular frames 101a which are symmetrical front and back and are internally provided with a cavity 101a-1, a communicating pipe 101d which is fixedly arranged at four corner positions of the rectangular frames 101a and is used for realizing the communication of the cavities 101a-1 in the two rectangular frames 101a, and a placing plate 101b which is arranged at the upper end position of the rectangular frames 101a and is used for realizing the fixation of the two rectangular frames 101a, a placing groove 101b-1 with an opening at the upper end and communicated with the cavities 101a-1 is formed in the placing plate 101b, an air inlet hole group 101b-3 is formed in the middle of the bottom surface of the placing groove 101b-1, drying layers 101c are respectively placed in the placing grooves 101b-1 at two sides of the air inlet hole group 101b-3, and an air outlet pipe 101e communicated with the cavities 101a-1 is arranged on one side surface of a vertical rod of the rectangular frames 101a in an array along the vertical direction; and, the air supply assembly 200 comprises a first air guiding box 201 and an air pump 202, wherein the first air guiding box 201 is fixedly connected to the bottom surface of the placing plate 101b-1 outside the air inlet hole group 101b-3, and the air outlet end of the air pump 202 is communicated with the first air guiding box 201 through a first air pipe 201 a.

The sealing plate 101b-2 is arranged above the drying layer 101c, the sealing plate 101b-2 is fixedly connected with the placing plate 101b through screws, and the sealing plate 101b-2 can be conveniently detached and installed, so that workers can conveniently replace the drying layer 101 c.

The air pump 202 is fixedly connected to the bottom surface of the placing plate 101b, the air inlet end of the air pump 202 is fixedly connected with a second air pipe 203a, a third air pipe 203b-1 is fixedly connected to the side wall of the second air pipe 203a in a communicated mode, and a first electromagnetic valve 203b is fixedly installed on the third air pipe 203b-1 and used for controlling on-off of the third air pipe 203 b-1.

In summary, when the moisture-proof mechanism is in use, the first electromagnetic valve 203b is opened, under the operation of the air pump 202, the air in the control cabinet body 300 sequentially passes through the first air pipe 201a and the first air guiding box 201, and enters the placing groove 101b-1 through the air inlet hole group 101b-3, and after the air entering the placing groove 101b-1 is dried by the drying layer 101c, the air enters the cavity 101a-1 on the rectangular frame 101a for circulation, and finally is discharged from the air outlet pipe 101e, so that the circulation of the air in the control cabinet body 300 is realized, and the effect of drying and moisture-proof of the air is achieved through the circulation.

In addition, in order to play dampproofing while can save energy, the staff can be inside at the switch board body 300 according to humidity detection sensor, monitor the humidity of the inside air of switch board body 300 through humidity detection sensor to whether control air pump 202 work is carried out as required, carries out certain energy-conservation when realizing dampproofing dry.

Example 2

Referring to fig. 3 and 4, a second embodiment of the present utility model is based on the previous embodiment, except that the present embodiment is proposed in order to achieve precise and efficient handling of electrical components in moisture and heat dissipation.

Specifically, a flow guiding pipe 102 is arranged between the front and back aligned air outlet pipes 101e on the two rectangular frames 101a, and air outlet holes 102a are arranged on one side surface of the flow guiding pipe 102, which is close to the inner wall of the rectangular frames 101a, along the axial direction in an array manner.

The locking cap 102c is sleeved at both ends of the flow guide pipe 102 in a sliding manner, the limiting ring 102b is fixedly arranged on the outer side wall of the flow guide pipe 102 on the inner side of the locking cap 102c, one end of the locking cap 102c can be limited, the inner wall of the locking cap 102c is provided with the inner thread 102c-1, and meanwhile the outer side wall of the air outlet pipe 101e is provided with the outer thread 101e-1 for screw fit of the inner thread 102c-1, so that detachable connection between the flow guide pipe 102 and the air outlet pipe 101e is realized.

In summary, the air after the drying treatment is not discharged through the air outlet pipe 101e, the air conveyed from the air outlet pipe 101e enters the guide pipe 102 and finally is discharged from the air outlet hole 102a, and the arrangement mode can directly aim the air discharged after the treatment at the electrical components, so that the air after the treatment is distributed to the control cabinet body 300 more uniformly.

Example 3

Referring to fig. 1, 5, 6 and 7, a third embodiment of the present utility model provides a moisture-proof electrical control cabinet, so as to solve the problem that the interior of the existing control cabinet body 300 only dissipates heat through a heat dissipation fan, which results in unsatisfactory internal heat dissipation effect and higher temperature.

Specifically, the control cabinet body 300 includes a box 301 for placing the exhaust assembly 100 and a box door 302 hinged at one side of the front end of the box 301 through a hinge, so as to realize that the box door 302 opens and closes relative to the box 301, an air vent group 302a is opened at the upper end position of the box door 302, the air vent group 302a uses a rotation track surface of the hinge as a shaft to be positioned at the inner side of the second air guiding box 203, the second air guiding box 203 is fixedly connected with one end of the second air guiding pipe 203a, and the second air guiding pipe 203a at a position between the second air guiding box 203 and the third air guiding pipe 203b-1 is fixedly provided with a second electromagnetic valve 203a-1 so as to control on-off of the second air guiding pipe 203 a.

The rubber sealing frame 203c is sleeved on the edge of the opening end of the second air guiding box 203, the rubber sealing frame 203c is bonded with the second air guiding box 203 through an adhesive, and the arrangement of the rubber sealing frame 203c can improve the contact tightness between the second air guiding box 203 and the box door 302.

The communicating pipe 101d is fixedly sleeved with the mounting sleeve 103a, the mounting sleeve 103a is integrally formed on the inner side of the rectangular plate 103, and the rectangular plate 103 is fixedly connected to the inner wall of the box 301 through screws, so that the detachable connection of the moistureproof mechanism in the box 301 is realized.

In summary, when the door 302 and the box 301 are closed in a matching manner, the ventilation hole set 302a is located inside the second air guiding box 203, the second electromagnetic valve 203a-1 is opened, the first electromagnetic valve 203b is closed, the air pump 202 works to enable air outside the control cabinet body 300 to enter the second air guiding box 203 through the ventilation hole set 302a, and after being processed and guided by the air supply assembly 200 and the air exhaust assembly 100, the air enters the box 301 to dissipate heat of electrical components.

In actual use, in order to accurately control the switching between the first electromagnetic valve 203b and the second electromagnetic valve 203a-1, thereby realizing effective heat dissipation, a worker can install a temperature sensor in the box 301, and can control the heat dissipation when the temperature in the box 301 reaches a predetermined value;

in addition, in order to realize automatic control of each electric element in the device, the device also comprises a controller which is fixedly arranged in the box 301.

Example 4

Referring to fig. 5 to 7, in order to provide a fourth embodiment of the present utility model, which is based on the previous embodiment, except that an embodiment is proposed in order to prevent an increase in internal air pressure due to an untimely air discharge inside the control cabinet body 300 when external air is sucked into the control cabinet body 300, thereby resulting in a decrease in the operation efficiency of the air pump 202.

Specifically, a protruding groove 302b is formed at the lower end of the box door 302, a movable plate 304 is clearance-fitted in one small-sized end of the protruding groove 302b, four corner positions of the movable plate 304 are all connected in the same fixed frame 304b through telescopic columns 304a, and the telescopic columns 304a are in sliding sleeve connection with the box door 302.

A return spring 304c is sleeved on a telescopic column 304a of the box door 302, which is close to one side of the box body 301, in a sliding manner, so that automatic resetting of the telescopic column 304a is realized, and an electromagnetic plate 303 for magnetically adsorbing the fixed frame 304b is fixedly arranged on the box door 302 at the position of the convex groove 302 b.

In summary, when the device radiates heat, the controller controls the electromagnetic plate 303 to be electrified so as to magnetically adsorb the fixed frame 304b, and under the action of the magnetic adsorption, the telescopic column 304a can be realized to drive the movable plate 304 to move towards the outer side of the box door 302, so that the movable plate 304 is separated from the convex groove 302b, the convex groove 302b is completely opened, and the original air with higher heat can be extruded through the convex groove 302b by the air entering the control cabinet body 300 through the air supply assembly 200;

after the heat dissipation is completed, the controller controls the electromagnetic plate 303 to be powered off, and under the condition of power failure, the reset spring 304c resets, so that the movable plate 304 can be matched in the convex groove 302b again, and sealing and moisture prevention are realized.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A dampproofing mechanism, its characterized in that: comprising the steps of (a) a step of,

the exhaust assembly (100) comprises a supporting frame (101), wherein the supporting frame (101) comprises two rectangular frames (101 a) which are symmetrical front and back and are internally provided with a cavity (101 a-1), a communicating pipe (101 d) used for communicating the cavity (101 a-1) and a placing plate (101 b) which is arranged at the upper end position of the rectangular frames (101 a) and used for fixing the two rectangular frames (101 a), a placing groove (101 b-1) with an opening at the upper end and communicated with the cavity (101 a-1) is formed in the placing plate (101 b), and an air inlet hole group (101 b-3) is formed in the middle of the bottom surface of the placing groove (101 b-1); the method comprises the steps of,

the air supply assembly (200) comprises a first air guide box (201) fixed on the bottom surface of the placement plate (101 b), a first air pipe (201 a) arranged at one end of the first air guide box (201) and an air pump (202) arranged at one side of the first air pipe (201 a).

2. The moisture resistant mechanism of claim 1, wherein: drying layers (101 c) are respectively placed in the placing grooves (101 b-1) on two sides of the air inlet hole group (101 b-3), air outlet pipes (101 e) communicated with the cavities (101 a-1) are arranged on one side face of the vertical rods of the rectangular frame (101 a) in an array mode along the vertical direction, the air exhaust assembly (100) further comprises right angle plates (103) sleeved in the middle of the communicating pipes (101 d), sealing plates (101 b-2) are arranged above the drying layers (101 c), and the sealing plates (101 b-2) are fixedly connected with the placing plates (101 b) through screws.

3. The moisture barrier mechanism of claim 2, wherein: the air pump (202) is fixedly connected to the bottom surface of the placement plate (101 b), a second air pipe (203 a) is fixedly connected to the air inlet end of the air pump (202), a third air pipe (203 b-1) is fixedly connected to the side wall of the second air pipe (203 a) in a communicated mode, and a first electromagnetic valve (203 b) is fixedly installed on the third air pipe (203 b-1).

4. A moisture barrier mechanism as claimed in claim 2 or claim 3 wherein: a flow guide pipe (102) is arranged between the air outlet pipes (101 e) which are aligned front and back on the two rectangular frames (101 a), and air outlet holes (102 a) are formed in an array mode on one side face, close to the inner wall of the rectangular frames (101 a), of the flow guide pipe (102) along the axis direction.

5. The moisture resistant mechanism of claim 4, wherein: locking cap (102 c) has all been cup jointed in the slip of both ends of honeycomb duct (102), locking cap (102 c) inboard stop collar (102 b) have been set firmly on honeycomb duct (102) lateral wall, internal thread (102 c-1) have been seted up on locking cap (102 c)'s the inner wall, simultaneously offer on the lateral wall of outlet duct (101 e) be used for internal thread (102 c-1) screw-fit's external screw thread (101 e-1).

6. A dampproofing electric control cabinet, its characterized in that: a moisture barrier comprising the mechanism of any one of claims 1 to 5; the method comprises the steps of,

the control cabinet body (300) comprises a box body (301) used for placing the exhaust assembly (100) and a box door (302) hinged on one side of the front end of the box body (301) through a hinge, an air vent group (302 a) is arranged at the upper end position of the box door (302), a rotating track surface taking the hinge as a shaft of the air vent group (302 a) is positioned on the inner side of a second air guide box (203), the second air guide box (203) is fixedly connected with one end of a second air pipe (203 a), and a second electromagnetic valve (203 a-1) is fixedly arranged on the second air pipe (203 a) at the position between the second air guide box (203) and a third air pipe (203 b-1).

7. The moisture resistant electrical control cabinet of claim 6 wherein: the edge of the opening end of the second air guide box (203) is sleeved with a rubber sealing frame (203 c), and the rubber sealing frame (203 c) is bonded with the second air guide box (203) through an adhesive.

8. The moisture resistant electrical control cabinet of claim 7 wherein: the connecting pipe (101 d) is fixedly sleeved with the mounting sleeve (103 a), the mounting sleeve (103 a) is integrally formed and arranged on the inner side of the right-angle plate (103), and the right-angle plate (103) is fixedly connected to the inner wall of the box body (301) through screws.

9. The moisture resistant electrical control cabinet of claim 8 wherein: the lower extreme position of chamber door (302) has seted up protruding groove (302 b), clearance fit has fly leaf (304) in protruding groove (302 b) small-size one end, four corner positions of fly leaf (304) all are connected in same fixed frame (304 b) through flexible post (304 a), just flexible post (304 a) sliding sleeve connects on chamber door (302).

10. A moisture resistant electrical control cabinet in accordance with claim 9 wherein: the telescopic column (304 a) on one side of the box door (302) close to the box body (301) is sleeved with a reset spring (304 c) in a sliding mode, and an electromagnetic plate (303) for magnetically adsorbing the fixed frame (304 b) is fixedly arranged on the box door (302) at the position of the convex groove (302 b).