CN219999835U - Protection device for electrical control cabinet - Google Patents
Protection device for electrical control cabinet Download PDFInfo
- Publication number
- CN219999835U CN219999835U CN202223487210.7U CN202223487210U CN219999835U CN 219999835 U CN219999835 U CN 219999835U CN 202223487210 U CN202223487210 U CN 202223487210U CN 219999835 U CN219999835 U CN 219999835U
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- CN
- China
- Prior art keywords
- control cabinet
- electrical control
- outer shell
- drying agent
- positive
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002274 desiccant Substances 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000005485 electric heating Methods 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 238000007791 dehumidification Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Drying Of Gases (AREA)
Abstract
The utility model relates to the technical field of electrical control cabinets, and discloses a protection device for an electrical control cabinet, which comprises an outer shell; an opening is formed in one end of the outer shell, and the open end of the outer shell is connected with the upper part of the electrical control cabinet and is communicated with the interior of the electrical control cabinet; the drying agent, the filter plate, the heating wire and the positive and negative rotating fan are sequentially arranged in the outer shell from the opening end to the opening end; the side wall of the outer shell is provided with a filter screen corresponding to the drying agent; the utility model can absorb moisture in the outside air while radiating the electric control cabinet, prevents moist air from entering the inside of the electric control cabinet, and has good dust removal effect; through positive and negative rotation fan, can the blowback drier, cooperation heating wire, can the quick drying drier, make drier repetitious usage, it is more convenient to overhaul and maintain.
Description
Technical Field
The utility model relates to the technical field of electrical control cabinets, in particular to a protection device for an electrical control cabinet.
Background
The electrical control cabinet is to assemble the switch equipment, the measuring instrument, the protection electrical appliance and the auxiliary equipment in the metal cabinet according to the electrical wiring requirement, and can switch on or off the circuit by means of a manual or automatic switch, and cut off the circuit or alarm by means of the protection electrical appliance when in fault or abnormal operation.
Because a plurality of electrical control devices are installed in the electrical control cabinet, the electrical control cabinet is required to have better heat dissipation, dehumidification and dust prevention performances. The utility model patent with publication number of CN215497681U relates to an outdoor electrical control cabinet protection device, which utilizes a movable fan to promote the ventilation of air inside an electrical control cabinet and promote heat dissipation, and simultaneously utilizes the cooperation of the fan and a heating resistance wire to dehumidify the bottom of the electrical control cabinet. However, during use, at least the following disadvantages exist: the dehumidification cannot be performed simultaneously while the heat is dissipated, and the heat dissipation is required in the normal working state of the electrical control cabinet, so that part of moist air containing moisture enters the electrical control cabinet; the contact surface between the cavity where the heating resistance wire is located and the upper part of the electrical control cabinet, namely the area of the partition plate is large, and although the partition plate can block most of heat, part of heat enters the upper part of the electrical control cabinet, so that heat dissipation is not facilitated. In addition, the protection structure of the electrical control cabinet in the prior art realizes dampproofing and dehumidifying through the desiccant, and the dampproofing electrical control cabinet is required to be regularly overhauled and maintained, namely, the moisture absorption box is disassembled, and the desiccant in the moisture absorption box is replaced or dried, so that certain workload and time are required.
Disclosure of Invention
The utility model aims to solve the problems that a protection device for an electrical control cabinet in the prior art is poor in dehumidification effect and inconvenient to maintain due to drying agents, and provides the protection device for the electrical control cabinet.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a protection device for an electrical control cabinet comprises an outer shell; an opening is formed in one end of the outer shell, and the open end of the outer shell is connected with the upper part of the electrical control cabinet and is communicated with the interior of the electrical control cabinet; the drying agent, the filter plate, the heating wire and the positive and negative rotating fan are sequentially arranged in the outer shell from the opening end to the opening end; the lateral wall of the outer shell is provided with a filter screen corresponding to the drying agent.
The beneficial effects are that: the positive and negative fan promotes the circulation of air, guarantees that electrical control cabinet during normal operating, ventilation and heat dissipation that can be good, and the filter screen is dustproof, adds the drier in ventilation structure, can detach the moisture in the humid air, guarantees the inside dry environment of electrical control cabinet, promotes dampproofing dehumidification effect. The positive and negative rotation fan can positively and negatively rotate, and air is blown to the electrical control cabinet during positive rotation, and the air is extracted during reverse rotation, and the electric heating wire is matched during reverse rotation, so that the drying agent can be quickly dried, disassembly is not needed, and the maintenance can be quickly and efficiently performed, and the labor intensity is reduced.
Further, the edge of the filter plate is connected with the inner wall of the outer shell; the drying agent is filled at one side of the filter plate, which is opposite to the open end of the outer shell; the desiccant is a physical desiccant.
The beneficial effects are that: the physical drying agent physically adsorbs moisture and can be quickly separated from the moisture after being heated, so that the physical drying agent can be used for multiple times.
Further, the filter screen is annular in shape, and surrounds the drying agent.
The beneficial effects are that: the air can comprehensively and uniformly pass through the drying agent, and the drying effect of the drying agent is fully exerted.
Further, a first bracket is arranged in the middle of the outer shell, and the electric heating wire is arranged on one side, facing the filter plate, of the first bracket.
The beneficial effects are that: the first bracket is used for supporting the electric heating wire, so that the electric heating wire, the filter plate and the positive and negative rotating fan keep a certain gap.
Further, the filter plate is a punched screen plate.
The beneficial effects are that: the filter plate supports the drying agent and limits the drying agent, so that the drying agent is prevented from moving along with air, and meanwhile, the filter plate can enable the dried air to pass through smoothly.
Further, a second bracket is arranged in the outer shell, and a motor of the positive and negative rotating fan is connected with the second bracket.
The beneficial effects are that: the second bracket supports the positive and negative rotating fan, so that the positive and negative rotating fan is arranged at the center of the inner part of the outer shell.
Further, the lower part of the cabinet body of the electrical control cabinet is provided with a vent hole.
The beneficial effects are that: the shell body and the internal structure thereof are connected to the upper part of the electrical control cabinet, and the vent holes are arranged at the lower part of the electrical control cabinet, so that the air in the electrical control cabinet circulates more comprehensively.
Drawings
Fig. 1 is an external schematic view of the installation state of the present utility model.
Fig. 2 is a schematic front view of the internal structure of the present utility model.
Fig. 3 is a schematic perspective view of the internal structure of the present utility model.
In the figure: 1. an outer housing; 2. a filter plate; 3. a drying agent; 4. a filter screen; 5. heating wires; 6. a first bracket; 7. a positive and negative rotation fan; 8. a second bracket; 9. a cabinet body; 10. and (3) a vent hole.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present utility model, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "provided" may be interpreted broadly, and for example, an object "provided" may be a part of a body, may be separately disposed from the body, and may be connected to the body, where the connection may be a detachable connection or an undetachable connection. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.
The present utility model is described in further detail below with reference to examples.
The utility model provides a specific embodiment of a protective device for an electrical control cabinet, which comprises the following components:
referring to fig. 1 to 3, a protection device for an electrical control cabinet includes an outer housing 1; an opening is formed in one end of the outer shell 1, and the opening end of the outer shell 1 is downward connected with the middle part of the upper wall of the electrical control cabinet and communicated with the interior of the electrical control cabinet; the inside of the outer shell 1 is provided with a drying agent 3, a filter plate 2, an electric heating wire 5 and a positive and negative rotating fan 7 in sequence from top to bottom; the side wall of the outer shell 1 is provided with a filter screen 4 corresponding to the drying agent 3.
In this embodiment, the desiccant 3 is a desiccant 3 that physically adsorbs moisture, and in this embodiment, a silica gel desiccant is used. The silica gel drier absorbs moisture in a physical adsorption mode, and can be separated from the moisture after being heated, so that the silica gel drier can be dried for multiple times.
In this embodiment, the outer casing 1 is in the shape of a hollow cylinder, the filter screen 4 is in the shape of a circular ring, and the filter screen 4 surrounds the drying agent 3. Under the drive of the positive and negative rotating fan 7, air passes through the filter screen 4 and the drying agent 3, and the air passes through the drying agent 3 comprehensively and uniformly from the periphery, so that the drying effect of the drying agent 3 is fully exerted.
The middle part of the outer shell 1 is provided with a first bracket 6, and the electric heating wire 5 is arranged on one side of the first bracket 6 facing the filter plate 2. The first support 6 is used for supporting the electric heating wire 5, the electric heating wire 5 is connected with a power line, the power line penetrates through the outer shell 1, the electric heating wire 5 is heated after being electrified and gradually stops heating after being powered off, and gaps are reserved between the electric heating wire 5 and the filter plate 2 and between the electric heating wire 5 and the positive and negative rotating fan 7.
The edge of the filter plate 2 is connected with the inner wall of the outer shell 1; the drying agent 3 is filled on the upper side of the filter plate 2; the filter plate 2 is a punched screen plate. The inner diameter of the mesh is smaller than the outer diameter of silica gel particles, the filter plate 2 supports the drying agent 3 and limits the drying agent 3, so that the drying agent 3 is prevented from moving along with air, and meanwhile, the filter plate 2 can enable the dried air to pass through smoothly.
The inside of the outer shell 1 is provided with a second bracket 8, and a motor of the positive and negative rotation fan 7 is connected with the second bracket 8. The second bracket 8 supports the forward and reverse rotation blower 7, so that the forward and reverse rotation blower 7 is positioned at the inner center of the outer shell 1.
This embodiment is suitable for an electrical control cabinet with ventilation holes 10 in the lower part of the cabinet body 9. The outer casing 1 and its internal ventilation driving structure are connected to the upper side of the electrical control cabinet. The ventilation hole 10 is located at the lower part of the electrical control cabinet, so that the air in the electrical control cabinet can circulate more comprehensively.
The working process comprises the following steps: in the working state of the electrical control cabinet, the positive and negative rotating fan 7 rotates positively, the positive and negative rotating fan 7 enables air in the outer shell 1 to flow downwards from top to bottom and enter the interior of the electrical control cabinet, external air passes through the filter screen 4 and is supplemented into the interior of the outer shell 1, and then the air passes through the drying agent 3, the filter plate 2 and the electric heating wire 5, and the electric heating wire 5 is not electrified. Moisture in the air passing through the drying agent 3 is absorbed by the drying agent 3, the dried air enters the inside of the electrical control cabinet, moisture prevention and dehumidification of the inside of the electrical control cabinet are realized, the air is discharged from the vent hole 10 at the lower part of the cabinet body 9, heat in the cabinet body 9 is taken away, and heat dissipation is realized.
When the electric control cabinet is maintained regularly, the positive and negative rotating fan 7 is reversed, the positive and negative rotating fan 7 enables air in the outer shell body 1 to flow upwards from below, so that air in the electric control cabinet is pumped out, the air passes through the electric heating wire 5, the filter plate 2, the drying agent 3 and the filter screen 4 to be discharged, when the positive and negative rotating fan 7 is reversed, the electric heating wire 5 is powered on, the electric heating wire 5 heats the air in the outer shell body 1, the positive and negative rotating fan 7 blows the heated air to the drying agent 3, high-temperature quick drying of the physical adsorption moisture drying agent 3 is realized, and moisture adsorbed in the drying agent 3 is released and discharged from the filter screen 4. When the positive and negative rotation fan 7 rotates reversely, part of dust attached to the outer side of the filter screen 4 can be blown away, and the back blowing cleaning of the filter screen 4 is realized.
It should be noted that the above description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some 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 (7)
1. The protection device for the electrical control cabinet comprises an outer shell (1); the method is characterized in that: an opening is formed in one end of the outer shell (1), and the opening end of the outer shell (1) is connected with the upper part of the electrical control cabinet and communicated with the interior of the electrical control cabinet; a drying agent (3), a filter plate (2), an electric heating wire (5) and a positive and negative rotating fan (7) are sequentially arranged in the outer shell (1) from the opening end to the opening end; the side wall of the outer shell (1) is provided with a filter screen (4) corresponding to the drying agent (3).
2. The protective device for an electrical control cabinet according to claim 1, wherein: the edge of the filter plate (2) is connected with the inner wall of the outer shell (1); the drying agent (3) is filled at one side of the filter plate (2) which is away from the open end of the outer shell (1); the desiccant (3) is a physical desiccant.
3. The protective device for an electrical control cabinet according to claim 1, wherein: the filter screen (4) is annular in shape, and the filter screen (4) surrounds the drying agent (3).
4. The protective device for an electrical control cabinet according to claim 1, wherein: the middle part of the outer shell (1) is provided with a first bracket (6), and the heating wire (5) is arranged on one side of the first bracket (6) facing the filter plate (2).
5. The protective device for an electrical control cabinet according to claim 1, wherein: the filter plate (2) is a punched screen plate.
6. The protective device for an electrical control cabinet according to claim 1, wherein: the inside of the outer shell (1) is provided with a second bracket (8), and a motor of the positive and negative rotating fan (7) is connected with the second bracket (8).
7. The protective device for an electrical control cabinet according to any one of claims 1 to 6, wherein: the lower part of the cabinet body (9) of the electrical control cabinet is provided with a vent hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223487210.7U CN219999835U (en) | 2022-12-27 | 2022-12-27 | Protection device for electrical control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223487210.7U CN219999835U (en) | 2022-12-27 | 2022-12-27 | Protection device for electrical control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219999835U true CN219999835U (en) | 2023-11-10 |
Family
ID=88610401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223487210.7U Active CN219999835U (en) | 2022-12-27 | 2022-12-27 | Protection device for electrical control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219999835U (en) |
-
2022
- 2022-12-27 CN CN202223487210.7U patent/CN219999835U/en active Active
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