CN215818866U - Electrical equipment protector and electrical screen cabinet - Google Patents
Electrical equipment protector and electrical screen cabinet Download PDFInfo
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- CN215818866U CN215818866U CN202121356247.9U CN202121356247U CN215818866U CN 215818866 U CN215818866 U CN 215818866U CN 202121356247 U CN202121356247 U CN 202121356247U CN 215818866 U CN215818866 U CN 215818866U
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Abstract
The utility model discloses an electrical equipment protection device and an electrical screen cabinet, which comprise a cabinet body structure, an air inlet pipe, an exhaust pipe and a threading hole; the cabinet body structure is formed by connecting the sealing plates in a seamless manner, so that the sealing performance of the cabinet body structure is improved, particles such as soil and dust are prevented from entering the cabinet body structure, the working environment of the electrical equipment is ensured to be clean, the problems of misoperation, arc discharge, failure and the like of contacts of the electrical equipment are reduced, the influence on the operation of a train caused by the failure of the electrical equipment due to environmental factors is prevented, and the driving safety is ensured; the working environment of the electrical equipment is cooled and cooled by utilizing the fresh air of the air conditioner, so that the temperature of the electrical equipment is reduced, and the damage or fire hazard of the electrical equipment caused by local high temperature of the electrical equipment is prevented; the air inlet pipe and the exhaust pipe are arranged diagonally, so that the air circulation inside the cabinet structure is ensured to flow, the temperature inside the cabinet structure is favorably reduced, and the problem of electrical equipment is further reduced.
Description
Technical Field
The utility model belongs to the field of electrical cabinets, and particularly relates to an electrical equipment protection device and an electrical cabinet.
Background
With the rapid development of electrification and the large increase of electric devices, the number of failures caused by electric devices is increasing. In the rail transit industry, although the screen cabinet is arranged outside the electrical equipment, the screen cabinet is usually in an open structure, so that the electrical equipment is in an environment communicated with the atmosphere, the environment where the electrical equipment is located is complex and changeable, the quantity of particles such as dust is large, and after the particles such as dust are accumulated on the surface of the electrical equipment, the problems such as misoperation and arc discharge of the electrical equipment can be caused, the normal operation of the equipment is influenced, and serious dangerous events such as train deceleration and parking and fire disasters can be caused seriously. Too many train stops even fire accidents caused by electrical equipment result in line stop, and huge economic loss and casualties are caused. Due to the variety of the types of the electrical equipment and the limitation of the installation environment, the complete heat dissipation, dust prevention and fire prevention capabilities of all the electrical equipment can not be guaranteed. Therefore, the method has more practicability for improving the working environment of the electrical equipment.
At present, most of electrical equipment on a train is arranged in a screen cabinet on the train, although the screen cabinet is provided with internal plates or a train body for protection, so that personnel can be prevented from approaching the screen cabinet. But because the built-in boards can not be sealed completely, and all the built-in boards are connected through bolts or hinges, the passenger can take the particulate matters such as soil, dust and the like in the environment and enter the working environment of the electrical equipment through the gaps of the built-in boards. After long-term accumulation, the problems of misoperation, arc discharge, failure and the like of the contact of the electrical equipment can be caused, and the driving safety is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electrical equipment protection device and an electrical screen cabinet, and aims to solve the problems that particulate matters such as soil and dust are accumulated in the working environment of electrical equipment for a long time, so that the electrical equipment generates phenomena such as contact misoperation, arc discharge, failure and the like.
The utility model solves the technical problems through the following technical scheme: a protective device for electrical equipment comprises a cabinet body structure which is arranged outside the electrical equipment and is formed by seamlessly connecting sealing plates, an air inlet pipe, an air outlet pipe and a threading hole which are arranged on the cabinet body structure;
the air inlet pipe is communicated with the fresh air pipe of the air conditioner.
Furthermore, a water absorption coating is sprayed on the inner wall of the cabinet body structure.
Furthermore, a filter screen is arranged in the air inlet pipe.
Furthermore, the air inlet pipe is positioned at the bottom of the cabinet body structure, the exhaust pipe is positioned at the top of the cabinet body structure, and the air inlet pipe and the exhaust pipe are arranged in a diagonal manner;
or the air inlet pipe is positioned at the top of the cabinet body structure, the exhaust pipe is positioned at the bottom of the cabinet body structure, and the air inlet pipe and the exhaust pipe are arranged diagonally;
or, the air inlet pipe is located the first lateral part of cabinet body structure, the exhaust pipe is located the second lateral part of cabinet body structure, and air inlet pipe and exhaust pipe are the diagonal angle setting.
Further, the sealing plates are welded seamlessly and/or provided with sealing strips.
Further, the sealing plate is made of a material having high heat insulation properties.
Further, the electrical equipment is located in the screen cabinet, and the screen cabinet is located in the cabinet body structure.
The utility model also provides an electrical cabinet, which comprises a cabinet main body and the electrical equipment protection device arranged outside the cabinet main body.
Advantageous effects
Compared with the prior art, the utility model has the advantages that:
according to the utility model, the cabinet body structure is formed by connecting the sealing plates in a seamless manner, so that the sealing property of the cabinet body structure is improved, particles such as soil and dust are prevented from entering the cabinet body structure, the working environment of the electrical equipment is ensured to be clean, the problems of misoperation, arc discharge, failure and the like of contacts of the electrical equipment are reduced, the influence on the operation of a train caused by the failure of the electrical equipment due to environmental factors is prevented, and the driving safety is ensured; the long-term clean working environment improves the service life of the electrical equipment and reduces the maintenance cost;
the working environment of the electrical equipment is cooled and cooled by utilizing the fresh air of the air conditioner, so that the temperature of the electrical equipment is reduced, and the damage or fire hazard of the electrical equipment caused by local high temperature of the electrical equipment is prevented; the air inlet pipe and the air outlet pipe are arranged diagonally, so that the air circulation flow in the cabinet body structure is ensured, the temperature in the cabinet body structure is favorably reduced, and the problem of electrical equipment is further reduced;
the water absorption coating has high-efficiency moisture absorption and water absorption performance, prevents moisture mixed in fresh air of the air conditioner from condensing on the surface of the electrical equipment, and ensures that the working environment of the electrical equipment is dry;
the special threading hole is arranged on the cabinet body structure, the problem that the sealing performance is reduced due to too large holes in the cabinet body structure is avoided, the threading hole is sealed by gluing, and the threading hole is free of unnecessary gaps.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an electrical equipment protection device according to an embodiment of the present invention;
wherein, the cabinet comprises 1-an air inlet pipe, 2-a filter screen, 3-an exhaust pipe, 4-a cabinet body structure, 5-a water absorption coating, 6-a cabinet body and 7-threading holes.
Detailed Description
The technical solutions in the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the protection device for electrical equipment provided in this embodiment includes a cabinet structure 4, an air inlet pipe 1, an air outlet pipe 3, and a threading hole 7; the cabinet body structure 4 comprises a bottom sealing plate, a top sealing plate, a front sealing plate, a back sealing plate and two side sealing plates, and the bottom sealing plate, the top sealing plate, the front sealing plate, the back sealing plate and the two side sealing plates are connected in a seamless mode to form the cabinet body structure 4; the electrical equipment is positioned in the cabinet body structure 4, so that the working environment of the electrical equipment is clean; air-supply line 1, exhaust pipe 3 and through wires hole 7 all locate cabinet body structure 4 on, and air-supply line 1 and the fresh air pipe intercommunication of the air conditioner on the train, exhaust pipe 3 and the exhaust pipe 3 intercommunication on the train.
The sealing plates forming the cabinet body structure 4 are connected in a seamless mode, namely the sealing plates are welded in a seamless mode, sealing strips are laid at the joints with gaps, for example, an access door is arranged on the front sealing plate according to the size of a screen cabinet, the access door and the front sealing plate are sealed through the sealing strips, the full tightness of the whole cabinet body structure 4 is guaranteed, the working environment of electrical equipment is clean, particles such as soil and dust are prevented from entering the cabinet body structure 4, the problems of misoperation of contacts, arc drawing, failure and the like of the electrical equipment are reduced, and the condition that the operation of a train is influenced due to the fact that the electrical equipment breaks down due to environmental factors is prevented.
Each sealing plate is made of a material with high heat insulation performance, so that even if an electrical fire disaster occurs, the fire disaster can be blocked or delayed to a certain extent, and the time is saved for escaping.
The electrical equipment on the train is usually arranged in an open screen cabinet, and the open design can ensure that all the electrical equipment can be overhauled by arranging an access door on any side. In principle, when the electrical equipment is arranged, the electrical equipment with large temperature rise is arranged above the interior of the screen cabinet, and the electrical equipment with low heat dissipation temperature during working is arranged below the interior of the screen cabinet. In order to avoid the situation that the temperature of the electric equipment in the sealed cabinet body structure 4 is increased due to operation and fire disasters are caused, fresh air of the train air conditioner is introduced through the air inlet pipe 1 to reduce the temperature in the cabinet body structure 4, and then high-temperature air flow is discharged through the exhaust pipe 3, so that the air circulation flowing in the cabinet body structure 4 is ensured, the temperature of the electric equipment is reduced, and the electric equipment is prevented from being damaged or having fire disasters due to local temperature increase.
In order to improve the circulation flow of air in the cabinet structure 4, the air inlet pipe 1 and the air outlet pipe 3 are arranged diagonally, and the first embodiment of diagonal arrangement is as follows: the air inlet pipe 1 is arranged on one side of the bottom of the cabinet body structure 4, the exhaust pipe 3 is arranged on the other side of the top of the cabinet body structure 4 (as shown in figure 1), fresh air of the air conditioner enters from one side of the bottom, hot air is discharged from the other side of the top after air heat exchange to form convection, the diagonal arrangement is favorable for air circulation flow, and the heat dissipation or cooling effect is improved.
The second embodiment of diagonal setting is: the air inlet pipe 1 is arranged at the lower part of the left side of the cabinet body structure 4, and the exhaust pipe 3 is arranged at the upper part of the right side of the cabinet body structure 4; or the air inlet pipe 1 is arranged at the lower part of the right side of the cabinet body structure 4, and the exhaust pipe 3 is arranged at the upper part of the left side of the cabinet body structure 4.
A third embodiment of diagonal placement is: the air inlet pipe 1 is arranged at one side of the top of the cabinet body structure 4, and the exhaust pipe 3 is arranged at the other side of the bottom of the cabinet body structure 4.
The fourth embodiment of diagonal placement is: the air inlet pipe 1 is arranged at the upper part of the left side of the cabinet body structure 4, and the exhaust pipe 3 is arranged at the lower part of the right side of the cabinet body structure 4; or the air inlet pipe 1 is arranged at the upper part of the right side of the cabinet body structure 4, and the exhaust pipe 3 is arranged at the lower part of the left side of the cabinet body structure 4.
Usually, the electrical equipment with large temperature rise is arranged above the screen cabinet, the electrical equipment with low heat dissipation temperature is arranged below the screen cabinet during working, in order to avoid the influence of the heat emitted by the electrical equipment with large temperature rise on the electrical equipment with low heat dissipation temperature, the first and second implementation modes are preferentially selected by the diagonal arrangement of the air inlet pipe 1 and the air outlet pipe 3, so that the heat emitted by the electrical equipment with large temperature rise is directly discharged out of the cabinet body structure 4 under the action of fresh air of the air conditioner without passing through the electrical equipment with low heat dissipation temperature.
In order to further guarantee that the working environment of the electrical equipment is clean, a filter screen 2 is arranged in the air inlet pipe 1, impurities in the air conditioner fresh air are filtered by the filter screen 2, the air conditioner fresh air is used for cooling or cleaning cooled air, and clean air conditioner fresh air can be continuously provided for the closed cabinet body structure 4. In order to prevent the moisture mixed with the fresh air of the air conditioner from condensing on the surface of the electrical equipment, the dehumidifying agent is laid on the filter screen 2, and the fresh air of the air conditioner flowing into the cabinet body structure 4 is ensured to be clean and dry, so that the working environment of the electrical equipment is clean and dry, the service life of the electrical equipment is prolonged, and the failure rate of the electrical equipment is reduced.
In order to further prevent moisture from condensing on the surface of the electrical equipment, the inner wall of the cabinet body structure 4 is sprayed with the water absorption coating 5, and the water absorption coating 5 has high-efficiency moisture absorption and water absorption performance and can be repeatedly used.
The through wires hole 7 is used for electrical equipment to walk the line, and in order to guarantee cabinet body structure 4's leakproofness, electrical equipment debugs the back that targets in place, beats gluey the sealing in through wires hole 7.
The embodiment further provides an electrical cabinet, which comprises a cabinet main body 6 and the electrical equipment protection device arranged outside the cabinet main body 6.
The protective device for the electrical equipment, provided by the utility model, has the functions of dust prevention, fire prevention, cooling and drying, so that the probability of accidental faults of the electrical equipment is reduced when the electrical equipment is in a clean, dry and low-temperature working environment, the service life of the electrical equipment is prolonged, the condition that the operation of a train is influenced due to the fault of the electrical equipment caused by environmental factors is prevented, and the driving safety is ensured.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or modifications within the technical scope of the present invention, and shall be covered by the scope of the present invention.
Claims (8)
1. An electrical equipment protector characterized in that: the cabinet structure is arranged outside the electrical equipment and is formed by seamlessly connecting sealing plates, and an air inlet pipe, an air outlet pipe and a threading hole are arranged on the cabinet structure;
the air inlet pipe is communicated with the fresh air pipe of the air conditioner.
2. The electrical equipment protection device of claim 1, wherein: and a water absorption coating is sprayed on the inner wall of the cabinet body structure.
3. The electrical equipment protection device of claim 1, wherein: a filter screen is arranged in the air inlet pipe.
4. An electrical equipment protection device as claimed in any one of claims 1 to 3 wherein: the air inlet pipe is positioned at the bottom of the cabinet body structure, the exhaust pipe is positioned at the top of the cabinet body structure, and the air inlet pipe and the exhaust pipe are arranged in a diagonal manner;
or the air inlet pipe is positioned at the top of the cabinet body structure, the exhaust pipe is positioned at the bottom of the cabinet body structure, and the air inlet pipe and the exhaust pipe are arranged diagonally;
or, the air inlet pipe is located the first lateral part of cabinet body structure, the exhaust pipe is located the second lateral part of cabinet body structure, and air inlet pipe and exhaust pipe are the diagonal angle setting.
5. The electrical equipment protection device of claim 1, wherein: and the sealing plates are welded seamlessly and/or provided with sealing strips.
6. The electrical equipment protection device of claim 1, wherein: the sealing plate is made of a material having high heat insulation properties.
7. An electrical equipment protection device as claimed in any one of claims 1 to 3 wherein: the electrical equipment is located in the screen cabinet, and the screen cabinet is located in the cabinet body structure.
8. An electrical screen cabinet, includes the screen cabinet main part, its characterized in that: the electrical equipment protection device is characterized by further comprising an electrical equipment protection device which is arranged outside the cabinet main body and is defined in any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121356247.9U CN215818866U (en) | 2021-06-18 | 2021-06-18 | Electrical equipment protector and electrical screen cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121356247.9U CN215818866U (en) | 2021-06-18 | 2021-06-18 | Electrical equipment protector and electrical screen cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215818866U true CN215818866U (en) | 2022-02-11 |
Family
ID=80177391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121356247.9U Active CN215818866U (en) | 2021-06-18 | 2021-06-18 | Electrical equipment protector and electrical screen cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215818866U (en) |
-
2021
- 2021-06-18 CN CN202121356247.9U patent/CN215818866U/en active Active
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