CN115377819B - Damp-proof oil well frequency conversion cabinet - Google Patents

Damp-proof oil well frequency conversion cabinet Download PDF

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Publication number
CN115377819B
CN115377819B CN202211314890.4A CN202211314890A CN115377819B CN 115377819 B CN115377819 B CN 115377819B CN 202211314890 A CN202211314890 A CN 202211314890A CN 115377819 B CN115377819 B CN 115377819B
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CN
China
Prior art keywords
shell
cavity
frequency conversion
air inlet
conversion cabinet
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Active
Application number
CN202211314890.4A
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Chinese (zh)
Other versions
CN115377819A (en
Inventor
梁京伟
蒋云凯
李本卿
于维杰
李鑫
成志
曲玉瑶
李海波
王岩
杨子豪
高瑞
王燕
王元元
孙宏君
管硕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongying Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Dongying Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Dongying Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Dongying Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority to CN202211314890.4A priority Critical patent/CN115377819B/en
Publication of CN115377819A publication Critical patent/CN115377819A/en
Application granted granted Critical
Publication of CN115377819B publication Critical patent/CN115377819B/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24—Circuit arrangements for boards or switchyards
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32—Mounting of devices therein
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to the technical field of electric power, and provides a moistureproof oil well frequency conversion cabinet which comprises a frequency conversion cabinet shell assembly, a ventilation shell, an electric power equipment installation assembly and an exhaust fan, wherein the frequency conversion cabinet shell assembly comprises a protective shell, the exhaust fan is connected with the ventilation shell through an exhaust pipe, the electric power equipment installation assembly comprises a bottom shell and a sealing cover, a central cavity and a peripheral cavity are arranged in the bottom shell, electric power equipment is installed in the peripheral cavity, a first one-way valve and a second one-way valve are arranged between the central cavity and the peripheral cavity, a plurality of partition plates are arranged in the central cavity, a first cavity is formed between the outer sides of the plurality of partition plates and the bottom shell, a second cavity is formed between the inner sides of the partition plates and the bottom shell, the first one-way valve is located in the second cavity, the second one-way valve is located in the first cavity, an air inlet portion is arranged on the surface of the bottom shell in the first cavity, and a water absorption layer is arranged in the air inlet portion, and the moistureproof effect is good.

Description

Damp-proof oil well frequency conversion cabinet
Technical Field
The invention relates to the technical field of electric power, in particular to a damp-proof oil well frequency conversion cabinet.
Background
Oil well frequency conversion cabinet is comparatively common in the oil development trade, installs the electronic components or power equipment of different grade type in the oil well frequency conversion cabinet, and when meetting rainy weather, the humidity ratio of air is bigger, and electronic components or power equipment in the oil well frequency conversion cabinet damage of weing very easily.
Electronic components or power equipment in traditional oil well frequency conversion cabinet are generally all direct to be exposed in the frequency conversion cabinet casing, and although the sealing door of frequency conversion cabinet casing is generally in the closure state, moist air still can pass the gap between sealing door and the frequency conversion cabinet casing or the louvre on frequency conversion cabinet casing surface gets into inside, and electronic components or power equipment still can meet the problem of weing.
Disclosure of Invention
The invention aims to provide a moistureproof oil well frequency conversion cabinet, and aims to solve the problem that the existing oil well frequency conversion cabinet is unsatisfactory in moistureproof effect.
In order to achieve the purpose, the invention provides the following technical scheme that the moistureproof oil well frequency conversion cabinet comprises a frequency conversion cabinet shell assembly, a ventilation shell, an electrical equipment installation assembly and an exhaust fan, wherein the frequency conversion cabinet shell assembly comprises a protection shell, the ventilation shell is installed in the protection shell, the exhaust fan is connected with the ventilation shell through an exhaust pipe, the number of the electrical equipment installation assemblies is a plurality, and the plurality of the electrical equipment installation assemblies are all installed on the surface of the ventilation shell;
the power equipment installation assembly comprises a bottom shell and a sealing cover, the sealing cover is attached to the upper surface of the bottom shell, a central cavity and a plurality of edge cavities are arranged in the bottom shell, power equipment is installed in the edge cavities, the number of the edge cavities is a plurality, the edge cavities are centrosymmetric about the central cavity, a first check valve and a second check valve are arranged between the central cavity and the edge cavities, a plurality of partition plates are arranged in the central cavity, a first cavity is formed between the outer sides of the partition plates and the bottom shell, a second cavity is formed between the inner sides of the partition plates and the bottom shell, the first check valve is located in the second cavity, and the second check valve is located in the first cavity;
the bottom shell is characterized in that an air inlet part is arranged at a position, located in a first cavity, on the surface of the bottom shell, the air inlet part is fixedly connected to the surface of the ventilation shell, one end of the air inlet part is communicated with the ventilation shell, the other end of the air inlet part is communicated with the first cavity, a water absorbing layer is arranged in the air inlet part, and a second vent hole is formed in the position, corresponding to a second cavity, on the surface of the sealing cover.
The device further comprises a humidity sensor, a temperature sensor and a circulating heating device, wherein the humidity sensor and the temperature sensor are arranged on the surface of the ventilation shell, the circulating heating device is connected with a medium circulating pipe, the medium circulating pipe is embedded in the ventilation shell, the humidity sensor and the temperature sensor are in communication connection with a remote computer, and the remote computer is in communication connection with the circulating heating device.
As a further aspect of the present invention, the sealing cover includes a central sealing area and an edge sealing area, the central sealing area is used for sealing the central cavity, the edge sealing area is used for sealing the edge cavity, and the sealing cover is made of a transparent material.
As a further scheme of the invention, the air inlet part further comprises an air inlet pipe, one end of the air inlet pipe is fixedly connected with the bottom shell, the other end of the air inlet pipe is fixedly connected with the ventilation shell, and one end of the air inlet pipe, which is positioned in the central cavity, is provided with a first vent hole.
As a further scheme of the invention, a threaded rod is fixedly connected to the inner surface of the sealing cover, a knob is fixedly connected to the outer surface of the sealing cover, a threaded pipe is fixedly connected to the surface of the bottom shell, and the threaded rod is in threaded connection with the inside of the threaded pipe.
As a further scheme of the invention, the frequency conversion cabinet shell assembly further comprises a base, a wiring seat and a ceiling, wherein the base is connected to the bottom of the protective shell, the ceiling and the exhaust fan are installed at the top of the protective shell, the circulating heating equipment is installed on the surface of the base, the wiring seat is installed on the inner wall of the protective shell, and the wiring seat is electrically connected with an external power supply.
As a further scheme of the invention, the outer side of the bottom shell is connected with an installation block, the installation block is connected to the surface of the ventilation shell through a screw, an installation seat is arranged in the edge cavity, the power equipment is installed on the installation seat, and the installation seat is connected with a wire holder through a wire.
The invention has the beneficial effects that: when the sealed drain pan of lid sealed, the outside air can only one-wayly pass through the air discharge fan, the ventilation casing, air inlet portion, first cavity and second check valve and get into in the marginal cavity, and then one-wayly outwards discharge along first check valve, second cavity and sealed lid, and moisture in the air is absorbed by the layer that absorbs water in the air inlet portion for the gas that gets into marginal cavity is dry, makes the power equipment who is located marginal cavity enough keep dry can ventilate the heat dissipation again, possesses the effectual characteristics of dampproofing.
Drawings
Fig. 1 is a schematic structural diagram of a moisture-proof oil well frequency conversion cabinet according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a frequency conversion cabinet housing assembly in an embodiment of the present invention.
Fig. 3 is a schematic view showing the connection of the ventilation housing, the exhaust fan and the circulation heating apparatus in the embodiment of the present invention.
FIG. 4 is a schematic diagram of the connection of the electrical equipment mounting assembly and the ventilation housing in an embodiment of the invention.
Fig. 5 is a schematic structural diagram of an electrical equipment mounting assembly according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a bottom case according to an embodiment of the invention.
Fig. 7 is a plan view of a sealing cover in an embodiment of the present invention.
Fig. 8 is a sectional view of an electrical equipment mounting assembly in an embodiment of the invention.
Reference numerals: 1-frequency conversion cabinet shell assembly, 11-protective shell, 12-base, 13-wire holder, 14-ceiling, 2-ventilation shell, 3-power equipment installation assembly, 31-bottom shell, 311-central cavity, 312-edge cavity, 313-installation base, 314-first one-way valve, 315-second one-way valve, 316-air inlet part, 3161-air inlet pipe, 3162-water absorption layer, 3163-first vent hole, 317-partition plate, 318-threaded pipe, 319-installation block, 32-sealing cover, 321-central sealing area, 322-edge sealing area, 323-second vent hole, 324-knob, 325-threaded rod, 4-exhaust fan, 41-exhaust pipe, 5-circulation heating equipment, 51-medium circulation pipe, 6-humidity sensor and 7-temperature sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to 8, the moisture-proof oil well frequency conversion cabinet provided by the embodiment of the invention comprises a frequency conversion cabinet shell assembly 1, and further comprises a ventilation shell 2, an electrical equipment installation assembly 3 and an exhaust fan 4, wherein the frequency conversion cabinet shell assembly 1 comprises a protection shell 11, the ventilation shell 2 is installed in the protection shell 11, the exhaust fan 4 is connected with the ventilation shell 2 through an exhaust pipe 41, the number of the electrical equipment installation assemblies 3 is several, and the several electrical equipment installation assemblies 3 are all installed on the surface of the ventilation shell 2;
the power equipment installation assembly 3 comprises a bottom shell 31 and a sealing cover 32, the sealing cover 32 is attached to the upper surface of the bottom shell 31, a central cavity 311 and a plurality of edge cavities 312 are arranged in the bottom shell 31, power equipment is installed in the edge cavities 312, the number of the edge cavities 312 is several, the edge cavities 312 are centrosymmetric with respect to the central cavity 311, a first one-way valve 314 and a second one-way valve 315 are arranged between the central cavity 311 and the edge cavities 312, a plurality of partition plates 317 are arranged in the central cavity 311, a first cavity is formed between the outer sides of the partition plates 317 and the bottom shell 31, a second cavity is formed between the inner side of the partition plate 317 and the bottom shell 31, the first one-way valve 314 is located in the second cavity, the second one-way valve 315 is located in the first cavity, when the bottom shell 31 is sealed by the sealing cover 32, the first cavity and the second cavity are relatively sealed, gas in the first cavity can only enter the edge cavity 312 through the second one-way valve 315 in one way, and gas in the edge cavity 312 can only enter the second cavity through the first one-way valve 314 in one way, so that direct contact between power equipment in the edge cavity 312 and outside air can be avoided, meanwhile, air can flow through the edge cavity 312, and moisture prevention and heat dissipation can be realized;
an air inlet portion 316 is installed on the surface of the bottom shell 31 at a position in the first cavity, the air inlet portion 316 is fixedly connected to the surface of the ventilation shell 2, one end of the air inlet portion 316 is communicated with the ventilation shell 2, the other end of the air inlet portion is communicated with the first cavity, a water absorbing layer 3162 is arranged in the air inlet portion 316, a second air vent 323 is formed in the surface of the sealing cover 32 corresponding to the second cavity, and the water absorbing layer 3162 is used for absorbing moisture in air to ensure that the air entering the edge cavity 312 is dry.
In the embodiment of the present invention, when the bottom case 31 is sealed by the sealing cover 32, the external air can only enter the edge cavity 312 through the exhaust fan 4, the ventilation casing 2, the air inlet part 316, the first cavity and the second one-way valve 315 in one way, and then is discharged outwards along the first one-way valve 314, the second cavity and the sealing cover 32 in one way, and the moisture in the air is absorbed by the water absorbing layer 3162 in the air inlet part 316, so that the air entering the edge cavity 312 is dry, and the power equipment located in the edge cavity 312 can maintain dry and ventilate and radiate, and has a characteristic of good moisture-proof effect.
Referring to fig. 1 to 8, in an embodiment of the present invention, the sealing cover 32 includes a central sealing area 321 and an edge sealing area 322, the central sealing area 321 is used for sealing the central cavity 311, the edge sealing area 322 is used for sealing the edge cavity 312, the sealing cover 32 is made of a transparent material, and a worker can directly observe the working parameters displayed on the surface of the power equipment through the transparent sealing cover 32.
Further, a threaded rod 325 is fixedly connected to the inner surface of the sealing cover 32, a knob 324 is fixedly connected to the outer surface of the sealing cover 32, a threaded pipe 318 is fixedly connected to the surface of the bottom shell 31, and the threaded rod 325 is screwed in the threaded pipe 318.
Further, frequency conversion cabinet housing assembly 1 still includes base 12, wire holder 13 and ceiling 14, base 12 is connected in protective housing 11 bottom, ceiling 14 and air discharge fan 4 are installed at protective housing 11 top, and circulation heating equipment 5 is installed on base 12 surface, wire holder 13 is installed at protective housing 11 inner wall, wire holder 13 and external power supply electric connection.
Further, an installation block 319 is connected to the outer side of the bottom shell 31, the installation block 319 is connected to the surface of the ventilation housing 2 through a screw, an installation seat 313 is arranged in the edge cavity 312, the power equipment is installed on the installation seat 313, and the installation seat 313 is connected to the wire holder 13 through a wire.
In the embodiment of the present invention, when the power equipment needs to be repaired or disassembled, the knob 324 drives the sealing cover 32 and the threaded rod 325 to rotate, the threaded rod 325 can make a spiral motion in the threaded pipe 318, and when the edge sealing area 322 on the sealing cover 32 is separated from the upper side of the edge cavity 312 in the bottom shell 31, there are two operation modes, one is to detach the whole sealing cover 32 from the bottom shell 31, and the other is to rotate the edge sealing area 322 to a position between two adjacent edge cavities 312, both of which will expose the power equipment in the edge cavity 312, so that the power equipment can be disassembled or repaired by a worker, which has the characteristic of being convenient for disassembly and assembly.
Referring to fig. 1 to 8, in one embodiment of the present invention, the present invention further includes a humidity sensor 6, a temperature sensor 7, and a circulation heating device 5, wherein the humidity sensor 6 and the temperature sensor 7 are mounted on the surface of the ventilation housing 2, the circulation heating device 5 is connected to a medium circulation pipe 51, the medium circulation pipe 51 is embedded in the ventilation housing 2, the humidity sensor 6 and the temperature sensor 7 are in communication connection with a remote computer, and the remote computer is in communication connection with the circulation heating device 5.
Further, the air inlet portion 316 further includes an air inlet pipe 3161, one end of the air inlet pipe 3161 is fixedly connected to the bottom shell 31, the other end of the air inlet pipe 3161 is fixedly connected to the ventilation housing 2, and a first vent hole 3163 is disposed at one end of the air inlet pipe 3161 located in the central cavity 311.
In the embodiment of the present invention, when the humidity sensor 6 detects that the humidity in the protective housing 11 is relatively high, the remote computer can send the signal to the remote computer, the remote computer turns on the exhaust fan 4 and the circulation heating device 5, the circulation heating device 5 can circulate the medium with relatively high temperature in the medium circulation pipe 51, the exhaust fan 4 exhausts the outside air into the ventilation housing 2 through the exhaust pipe 41, the air entering the ventilation housing 2 can be heated by the medium circulation pipe 51, the heated air passes through the water absorption layer 3162 in the air inlet pipe 3161 to remove moisture, and then the dried hot air is exhausted to the first cavity in the central cavity 311 through the first vent 3163, the dried hot air entering the first cavity can only enter the edge cavity 312 from the second one-way valve 315, the dried hot air entering the edge cavity 312 can dry the water beads attached to the surfaces of the electric power equipment and the mounting seat 313, the hot air with moisture enters the second cavity from the first one-way valve, and finally is exhausted to the second vent 323 corresponding to the outside from the surface of the sealing cover 32, when the temperature sensor is monitored, the temperature of the remote computer can be raised, and the remote computer can raise the temperature of the remote computer 11.
The working principle of the invention is as follows: when the exhaust fan 4 works, the outside air becomes dry air after passing through the water absorption layer 3162, the dry air circulates among the first cavity, the second one-way valve 315, the edge cavity 312, the first one-way valve 314 and the second cavity, and is finally discharged from the second vent hole 323, so that the temperature of the power equipment in the edge cavity 312 can be reduced, and the exhaust fan has the characteristic of good heat dissipation effect.
When the humidity sensor 6 detects that the humidity in the protective shell 11 is high, the signal can be sent to a remote computer, the remote computer opens the exhaust fan 4 and the circulation heating device 5, the circulation heating device 5 can circulate the medium with high temperature in the medium circulation pipe 51, the exhaust fan 4 exhausts outside air into the ventilation shell 2 through the exhaust pipe 41, the air entering the ventilation shell 2 can be heated by the medium circulation pipe 51, the heated air firstly passes through the water absorption layer 3162 in the air inlet pipe 3161 to remove moisture, then the dried hot air is exhausted to the first cavity in the central cavity 311 through the first vent hole 3163, the dried hot air entering the first cavity can enter the edge cavity 312 from the second one-way valve 315, the dried hot air entering the edge cavity 312 can dry water beads attached to the surfaces of the power equipment and the mounting seat 313, the hot air with moisture enters the second cavity from the first one-way valve 314, and finally the hot air is exhausted to the outside from the second vent hole corresponding to the first cavity on the surface of the sealing cover 32, the characteristic of good humidity effect is achieved, when the temperature sensor 323 monitors that the water in the protection shell 11 is raised, and the remote computer can raise the temperature, and the remote computer can heat the remote computer 7.
Although several embodiments and examples of the present invention have been described for those skilled in the art, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A damp-proof oil well frequency conversion cabinet comprises a frequency conversion cabinet shell assembly and is characterized by further comprising a ventilation shell, power equipment installation assemblies and an exhaust fan, wherein the frequency conversion cabinet shell assembly comprises a protective shell, the ventilation shell is installed in the protective shell, the exhaust fan is connected with the ventilation shell through an exhaust pipe, the number of the power equipment installation assemblies is a plurality, and the power equipment installation assemblies are all installed on the surface of the ventilation shell;
the power equipment installation assembly comprises a bottom shell and a sealing cover, the sealing cover is attached to the upper surface of the bottom shell, a central cavity and a plurality of edge cavities are arranged in the bottom shell, power equipment is installed in the edge cavities, the number of the edge cavities is a plurality, the edge cavities are centrosymmetric about the central cavity, a first check valve and a second check valve are arranged between the central cavity and the edge cavities, a plurality of partition plates are arranged in the central cavity, a first cavity is formed between the outer sides of the partition plates and the bottom shell, a second cavity is formed between the inner sides of the partition plates and the bottom shell, the first check valve is located in the second cavity, and the second check valve is located in the first cavity;
the bottom shell is characterized in that an air inlet part is arranged at a position, located in a first cavity, on the surface of the bottom shell, the air inlet part is fixedly connected to the surface of the ventilation shell, one end of the air inlet part is communicated with the ventilation shell, the other end of the air inlet part is communicated with the first cavity, a water absorbing layer is arranged in the air inlet part, and a second vent hole is formed in the position, corresponding to a second cavity, on the surface of the sealing cover.
2. The moisture-proof oil well frequency conversion cabinet according to claim 1, further comprising a humidity sensor, a temperature sensor and a circulation heating device, wherein the humidity sensor and the temperature sensor are mounted on the surface of the ventilation shell, the circulation heating device is connected with a medium circulation pipe, the medium circulation pipe is embedded in the ventilation shell, the humidity sensor and the temperature sensor are in communication connection with a remote computer, and the remote computer is in communication connection with the circulation heating device.
3. The moisture-proof oil well frequency conversion cabinet according to claim 1, wherein the sealing cover comprises a central sealing area and an edge sealing area, the central sealing area is used for sealing the central cavity, the edge sealing area is used for sealing the edge cavity, and the sealing cover is made of transparent material.
4. The moisture-proof oil well frequency conversion cabinet according to claim 2, wherein the air inlet part further comprises an air inlet pipe, one end of the air inlet pipe is fixedly connected with the bottom shell, the other end of the air inlet pipe is fixedly connected with the ventilation shell, and a first air vent is arranged at one end of the air inlet pipe, which is positioned in the central cavity.
5. The moisture-proof oil well frequency conversion cabinet according to claim 3, wherein a threaded rod is fixedly connected to the inner surface of the sealing cover, a knob is fixedly connected to the outer surface of the sealing cover, a threaded pipe is fixedly connected to the surface of the bottom shell, and the threaded rod is in threaded connection with the threaded pipe.
6. The damp-proof oil well frequency conversion cabinet according to claim 2, wherein the frequency conversion cabinet shell assembly further comprises a base, a wiring seat and a ceiling, the base is connected to the bottom of the protection shell, the ceiling and the exhaust fan are installed on the top of the protection shell, the circulation heating equipment is installed on the surface of the base, the wiring seat is installed on the inner wall of the protection shell, and the wiring seat is electrically connected with an external power supply.
7. The moisture-proof oil well frequency conversion cabinet according to claim 6, wherein a mounting block is connected to the outer side of the bottom shell, the mounting block is connected to the surface of the ventilation shell through screws, a mounting seat is arranged in the edge cavity, the electric equipment is mounted on the mounting seat, and the mounting seat is connected with a wiring seat through a wire.
CN202211314890.4A 2022-10-26 2022-10-26 Damp-proof oil well frequency conversion cabinet Active CN115377819B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211314890.4A CN115377819B (en) 2022-10-26 2022-10-26 Damp-proof oil well frequency conversion cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211314890.4A CN115377819B (en) 2022-10-26 2022-10-26 Damp-proof oil well frequency conversion cabinet

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CN115377819A CN115377819A (en) 2022-11-22
CN115377819B true CN115377819B (en) 2023-01-24

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210866945U (en) * 2019-12-03 2020-06-26 杭州华尚电气有限公司 Power distribution cabinet
CN211089457U (en) * 2020-02-02 2020-07-24 湖南威图机电有限公司 Dampproofing inverter cabinet
CN215772211U (en) * 2021-09-29 2022-02-08 河南省嵩阳电力工程有限公司 Electric power cabinet convenient to dampproofing heat dissipation
CN217182720U (en) * 2022-01-04 2022-08-12 南京港龙潭集装箱有限公司 Intelligent low-voltage ship shore power box for port
CN217036467U (en) * 2022-03-28 2022-07-22 江苏镍盛电气设备有限公司 Ammeter case with dry dampproofing structure
CN115051264B (en) * 2022-08-12 2022-10-28 江苏广识电气有限公司 High-efficient radiating regulator cubicle

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