CN216774056U - Novel low-voltage switch cabinet - Google Patents

Novel low-voltage switch cabinet Download PDF

Info

Publication number
CN216774056U
CN216774056U CN202220149019.2U CN202220149019U CN216774056U CN 216774056 U CN216774056 U CN 216774056U CN 202220149019 U CN202220149019 U CN 202220149019U CN 216774056 U CN216774056 U CN 216774056U
Authority
CN
China
Prior art keywords
cavity
ring
communicated
annular
cabinet body
Prior art date
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.)
Active
Application number
CN202220149019.2U
Other languages
Chinese (zh)
Inventor
谢兴敏
刘显华
郑元忠
杨大万
邓勇
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.)
Sichuan Defeng Electric Co ltd
Original Assignee
Sichuan Defeng Electric 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.)
Filing date
Publication date
Application filed by Sichuan Defeng Electric Co ltd filed Critical Sichuan Defeng Electric Co ltd
Priority to CN202220149019.2U priority Critical patent/CN216774056U/en
Application granted granted Critical
Publication of CN216774056U publication Critical patent/CN216774056U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model provides a novel low-voltage switch cabinet, which comprises: the bottom of the cabinet body is provided with a cavity; the motor is arranged in the cavity; the impeller is connected with the motor; the first annular frame is arranged in the side wall of the cabinet body; a ring-shaped cavity and a middle cavity are arranged in the first ring-shaped frame, the middle cavity is positioned at the inner ring of the ring-shaped cavity, the middle cavity is provided with two symmetrical openings, one opening is communicated with the interior of the cabinet body, and the other opening is communicated with the outside; the annular cavity is communicated with the middle cavity, the communicated part of the annular cavity and the middle cavity forms an annular structure cavity, the opening of the annular structure cavity faces the inside of the cabinet body, the annular cavity, the annular structure cavity and the middle cavity form an air flowing structure of the bladeless fan, one end of the cavity is communicated with the annular cavity, and the other end of the cavity is communicated with the outside. The motor and the impeller suck outside air and guide the air into the annular cavity, so that high-speed air is formed by using the Bernoulli principle and is discharged into the cabinet body, the air flowing speed in the cabinet body is accelerated, and the heat dissipation efficiency and the heat dissipation effect are improved.

Description

Novel low-voltage switch cabinet
Technical Field
The utility model relates to the technical field of switch cabinets, in particular to a novel low-voltage switch cabinet.
Background
The low-voltage switch cabinet is applicable to trades such as power plant, petroleum, chemical industry, metallurgy, weaving, high-rise building, and as the usefulness of transmitting electricity, distribution and electric energy conversion, the structure of low-voltage switch cabinet is comparatively compact, and electrical components work in the in-process that uses produces heat for heat is piled up in the low-voltage switch cabinet, leads to the high temperature, influences electrical components's life, so all can dispel the heat to the switch cabinet usually.
The existing low-voltage switch cabinet usually performs heat dissipation through cooperation of heat dissipation holes and fans, but the flow speed of internal gas of the low-voltage switch cabinet is still slow, so that the heat dissipation efficiency is low and the heat dissipation effect is poor; therefore, there is a need for a new type of low voltage switchgear.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel low-voltage switch cabinet, which aims to accelerate the flow speed of internal gas of the low-voltage switch cabinet and improve the heat dissipation efficiency and the heat dissipation effect.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a novel low-voltage switchgear, comprising: a cabinet body, the bottom of which is provided with a cavity; a motor disposed within the cavity; the impeller is connected with the motor; the first annular frame is arranged in the side wall of the cabinet body; the first annular frame is internally provided with an annular cavity and a middle cavity, the middle cavity is positioned at the inner ring of the annular cavity, the middle cavity is provided with two symmetrical openings at two ends, one opening is communicated with the inside of the cabinet body, and the other opening is used for being communicated with the outside; the annular cavity is communicated with the middle cavity, a communicated part of the annular cavity and the middle cavity forms an annular structure cavity, the opening of the annular structure cavity faces the inside of the cabinet body, the annular cavity, the annular structure cavity and the middle cavity form an air flowing structure of the bladeless fan, one end of the cavity is communicated with the annular cavity, and the other end of the cavity is communicated with the outside.
In one embodiment of the disclosure, the plurality of first ring frames are uniformly distributed along the sidewall of the cabinet body, the ring-shaped cavities adjacent to the first ring frames are communicated through a pipeline, and the cavity is communicated with the ring-shaped cavity of the first ring frame located at the lowest position through a pipeline.
In one embodiment of the utility model, the first annular frames in the two symmetrical side walls of the cabinet body are arranged oppositely or in a staggered mode.
In one embodiment of the utility model, a second annular frame is arranged in the top of the cabinet body, the structure of the second annular frame is consistent with that of the first annular frame, one end opening of the middle cavity of the second annular frame is communicated with the inside of the cabinet body, the other end opening of the middle cavity of the second annular frame is used for being communicated with the outside, the opening of the annular structure cavity of the second annular frame faces the outside, and the annular cavity of the second annular frame is communicated with the annular cavity of the first annular frame through a pipeline.
In one embodiment of the disclosure, the second ring frames are uniformly distributed in the top of the cabinet body, and the ring-shaped cavities adjacent to the second ring frames are communicated through a pipeline.
In one embodiment disclosed by the utility model, a fan and a third annular frame are arranged in the top of the cabinet body, the structure of the third annular frame is consistent with that of the first annular frame, one end opening of the middle cavity of the third annular frame is communicated with the inside of the cabinet body, the other end opening is used for being communicated with the outside, the opening of the annular structure cavity of the third annular frame faces the outside, one end of the fan is communicated with the annular structure cavity of the third annular frame through a pipeline, and the other end of the fan is used for being communicated with the outside.
In one embodiment of the disclosure, the third ring frames are uniformly distributed in the top of the cabinet body, and the ring-shaped cavities adjacent to the third ring frames are communicated through a pipeline.
In one embodiment of the disclosure, the plurality of third ring frames are divided into 2 groups, the 2 groups of third ring frames are vertically distributed in the top of the cabinet body, the middle cavities of the vertically corresponding third ring frames are communicated through a pipeline, the middle cavity of the lower third ring frame is communicated with the inside of the cabinet body, the middle cavity of the upper third ring frame is communicated with the outside, and the ring cavities of the adjacent third ring frames in the same group are communicated through a pipeline.
In one embodiment of the utility model, a first air filter screen is arranged at the communication position of the cavity and the outside, and a second air filter screen is arranged at the communication position of the middle cavity of the first annular frame and the outside.
In one embodiment disclosed by the utility model, an activated carbon cavity is arranged between the cavity and the first air filter screen, and air purification activated carbon is arranged in the activated carbon cavity.
In conclusion, the utility model has the following beneficial effects: according to the utility model, the motor and the impeller are arranged in the cavity at the bottom of the cabinet body, so that outside air is sucked and guided into the annular cavity of the first annular frame, and the annular cavity, the annular structure cavity and the middle cavity form an air flowing structure of the bladeless fan, so that high-speed air is formed by using the Bernoulli principle and is discharged into the cabinet body, the air flowing speed in the cabinet body is accelerated, and the heat dissipation efficiency and the heat dissipation effect are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments 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 some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a novel low-voltage switchgear cabinet according to some embodiments of the present invention.
Fig. 2 is a schematic diagram of a first ring frame according to some embodiments of the present invention.
FIG. 3 is a schematic diagram of a second torus in accordance with some embodiments of the present invention.
Fig. 4 is a schematic diagram of a third ring frame according to some embodiments of the present invention.
Fig. 5 is another schematic structural diagram of the novel low-voltage switch cabinet according to some embodiments of the utility model.
Reference numerals:
1. a cabinet body; 11. a cavity;
2. a motor; 21. an impeller;
3. a first ring frame; 31. a ring-shaped cavity; 32. a middle cavity; 321. an air inlet; 322. an air outlet; 33. a ring-shaped structure cavity;
4. a second annular frame;
5. a third annular frame; 51. a fan;
61. a first air filter; 62. a second air filter; 63. an active carbon cavity.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the utility model. To simplify the disclosure of embodiments of the utility model, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the utility model. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the present embodiment provides a novel low voltage switch cabinet, including: the cabinet body 1 is provided with a cavity 11 at the bottom; the motor 2 is arranged in the cavity 11; an impeller 21 connected to the motor 2; the first annular frame 3 is arranged in the side wall of the cabinet body 1; a ring-shaped cavity 31 and a middle cavity 32 are arranged in the first ring-shaped frame 3, the middle cavity 32 is located at the inner ring of the ring-shaped cavity 31, the middle cavity 32 has two symmetrical openings, one opening is communicated with the inside of the cabinet body 1, and the other opening is used for being communicated with the outside; the annular cavity 31 is communicated with the middle cavity 32, a communicating part of the annular cavity 33 forms an annular structure cavity 33, an opening of the annular structure cavity 33 faces the inside of the cabinet body 1, the annular cavity 31, the annular structure cavity 33 and the middle cavity 32 form an air flowing structure of a bladeless fan, one end of the cavity 11 is communicated with the annular cavity 31, and the other end of the cavity is communicated with the outside.
It should be understood that the motor 2 is disposed at the bottom of the cavity 11, the impeller 21 is driven by the motor 2 to rotate, external air is sucked into the cavity 11 to form wind, the wind enters the annular cavity 31 of the first annular frame 3 through the cavity 11, and then is forced to enter the intermediate cavity 32 through the annular structure cavity 33, so as to form high-speed wind, two openings of the intermediate cavity 32 are respectively an air inlet 321 and an air outlet 322, the air inlet 321 is communicated with the outside, the air outlet 322 is communicated with the inside of the cabinet 1, the high-speed wind enters the inside of the cabinet 1 through the air outlet 322 and drives the external air at the air inlet 321 to enter the intermediate cavity 32, thereby increasing the air flow entering the inside of the cabinet 1, i.e. increasing the air flow speed in the cabinet 1, thereby improving the heat dissipation efficiency and the heat dissipation effect.
It is understood that the ring-shaped cavity 31, the ring-shaped structure cavity 33 and the middle cavity 32 constitute a gas flow structure of the bladeless fan, and reference can be made to the existing bladeless fan structure and the bernoulli principle.
In some embodiments, there are a plurality of the first ring frames 3, the plurality of the first ring frames 3 are uniformly distributed along the sidewall of the cabinet 1, the ring-shaped cavities 31 adjacent to the first ring frames 3 are communicated through a pipe, and the cavity 11 is communicated with the ring-shaped cavity 31 of the first ring frame 3 located at the lowest position through a pipe. In this scheme, this setting can further improve the entering the inside airflow of the cabinet body 1 for the gas flow speed in the cabinet body 1 is accelerated, thereby improves radiating efficiency, radiating effect.
In some embodiments, the first annular frames 3 in the two symmetrical side walls of the cabinet 1 are arranged oppositely or in a staggered manner. In this scheme, this setting can further improve the entering the inside airflow of the cabinet body 1 for the gas flow speed in the cabinet body 1 is accelerated, thereby improves radiating efficiency, radiating effect.
In some embodiments, as shown in fig. 1 and 3, a second ring frame 4 is disposed inside the top of the cabinet body 1, the structure of the second ring frame 4 is the same as that of the first ring frame 3, an opening of one end of the middle cavity 32 of the second ring frame 4 is communicated with the inside of the cabinet body 1, an opening of the other end of the middle cavity is used for communicating with the outside, an opening of the ring structure cavity 33 of the second ring frame 4 faces the outside, and the ring cavity 31 of the second ring frame 4 is communicated with the ring cavity 31 of the first ring frame 3 through a pipeline. In this scheme, the second annular frame 4 also has the annular cavity 31, the annular structure cavity 33 and the intermediate cavity 32, and the second annular frame 4 is arranged in the top of the cabinet body 1 to accelerate the outward exhaust speed of the internal air of the cabinet body 1, so as to accelerate the air flowing speed in the cabinet body 1, thereby improving the heat dissipation efficiency and the heat dissipation effect.
In some embodiments, the second annular frame 4 is distributed in the top of the cabinet 1, and the annular cavities 31 adjacent to the second annular frame 4 are communicated through a pipeline. In this scheme, this setting can further accelerate the inside gas of the cabinet body 1 outwards exhaust speed to accelerate the gas flow speed in the cabinet body 1, thereby improve radiating efficiency, radiating effect.
In some embodiments, as shown in fig. 4 and 5, a blower 51 and a third annular frame 5 are disposed in the top of the cabinet body 1, the structure of the third annular frame 5 is the same as that of the first annular frame 3, one end of the middle cavity 32 of the third annular frame 5 is open and communicated with the inside of the cabinet body 1, the other end of the middle cavity is open and communicated with the outside, the opening of the annular structure cavity 33 of the third annular frame 5 faces the outside, one end of the blower 51 is communicated with the annular structure cavity 33 of the third annular frame 5 through a pipeline, and the other end of the blower is communicated with the outside. In this solution, the third ring frame 5 also has the ring-shaped cavity 31, the ring-shaped structure cavity 33 and the middle cavity 32, the third ring frame 5 is matched with the blower 51, the blower 51 draws outside air into the ring-shaped cavity 31 of the third ring frame 5 to form wind, the wind is then forced to enter the middle cavity 32 of the third ring frame 5 through the ring-shaped structure cavity 33 of the third ring frame 5, so as to form high-speed wind, the high-speed wind is discharged to the outside through the air outlet 322 of the middle cavity 32 of the third ring frame 5, and drives the inside air of the cabinet 1 at the air inlet 321 of the middle cavity 32 of the third ring frame 5 to flow to the outside, so as to accelerate the speed of discharging the inside air of the cabinet 1 to the outside, thereby accelerating the air flowing speed in the cabinet 1, thereby improving the heat dissipation efficiency and the heat dissipation effect; the third ring frame 5 and the second ring frame 4 may be used simultaneously or separately.
In some embodiments, the third ring frames 5 are distributed uniformly in the top of the cabinet 1, and the ring-shaped cavities 31 adjacent to the third ring frames 5 are communicated through a pipeline. In this scheme, this setting can further accelerate the inside gas of the cabinet body 1 outwards exhaust speed to accelerate the gas flow speed in the cabinet body 1, thereby improve radiating efficiency, radiating effect.
In some embodiments, the third ring frames 5 are divided into 2 groups, the 2 groups of the third ring frames 5 are vertically distributed in the top of the cabinet 1, the middle cavities 32 of the third ring frames 5 corresponding vertically are communicated through a pipeline, the middle cavity 32 of the third ring frame 5 located below is communicated with the inside of the cabinet 1, the middle cavity 32 of the third ring frame 5 located above is communicated with the outside, and the ring cavities 31 of adjacent third ring frames 5 in the same group are communicated through a pipeline. In this scheme, this setting can further accelerate the inside gas of the cabinet body 1 outwards exhaust speed to accelerate the gas flow speed in the cabinet body 1, thereby improve radiating efficiency, radiating effect.
In some embodiments, a first air filter 61 is disposed at a communication position of the cavity 11 and the outside, and a second air filter 62 is disposed at a communication position of the middle cavity 32 of the first ring frame 3 and the outside. In this scheme, first air cleaner screen 61 with second air cleaner screen 62 can improve the entering the inside air quality of cabinet 1 avoids influencing the normal work of the electronic component of cabinet 1 inside.
In some embodiments, an activated carbon cavity 63 is disposed between the cavity 11 and the first air filtering net 61, and air purification activated carbon is disposed in the activated carbon cavity 63. In this scheme, air purification active carbon can improve the entering the inside air quality of the cabinet body 1 avoids influencing the normal work of the electronic component of the cabinet body 1 inside.
The above embodiments describe a plurality of specific embodiments of the present invention, but it should be understood by those skilled in the art that various changes or modifications may be made to these embodiments without departing from the principle and spirit of the present invention, and these changes and modifications fall within the scope of the present invention.

Claims (10)

1. A novel low-voltage switch cabinet is characterized by comprising:
a cabinet body, the bottom of which is provided with a cavity;
a motor disposed within the cavity;
the impeller is connected with the motor;
the first annular frame is arranged in the side wall of the cabinet body;
the first annular frame is internally provided with an annular cavity and a middle cavity, the middle cavity is positioned at the inner ring of the annular cavity, the middle cavity is provided with two symmetrical openings, one opening is communicated with the inside of the cabinet body, and the other opening is used for being communicated with the outside; the annular cavity is communicated with the middle cavity, a communicated part of the annular cavity and the middle cavity forms an annular structure cavity, an opening of the annular structure cavity faces the inside of the cabinet body, the annular cavity, the annular structure cavity and the middle cavity form an air flowing structure of the bladeless fan, one end of the cavity is communicated with the annular cavity, and the other end of the cavity is communicated with the outside.
2. The novel low-voltage switch cabinet according to claim 1, wherein the number of the first ring frames is multiple, the multiple first ring frames are evenly distributed along the side wall of the cabinet body from top to bottom, the ring-shaped cavities adjacent to the first ring frames are communicated through a pipeline, and the cavity is communicated with the ring-shaped cavity of the first ring frame located at the lowest position through a pipeline.
3. The novel low-voltage switch cabinet according to claim 2, characterized in that the first annular frames in the two symmetrical side walls of the cabinet body are arranged oppositely or in a staggered manner.
4. The novel low-voltage switch cabinet according to claim 1, wherein a second ring-shaped frame is arranged in the top of the cabinet body, the structure of the second ring-shaped frame is consistent with that of the first ring-shaped frame, one end opening of the middle cavity of the second ring-shaped frame is communicated with the inside of the cabinet body, the other end opening is used for being communicated with the outside, the opening of the ring-shaped structure cavity of the second ring-shaped frame faces the outside, and the ring-shaped cavity of the second ring-shaped frame is communicated with the ring-shaped cavity of the first ring-shaped frame through a pipeline.
5. The novel low-voltage switch cabinet as claimed in claim 4, wherein the second annular frame is distributed in the top of the cabinet body uniformly, and the annular cavities adjacent to the second annular frame are communicated through a pipeline.
6. The novel low-voltage switch cabinet according to claim 1, wherein a fan and a third annular frame are arranged in the top of the cabinet body, the structure of the third annular frame is consistent with that of the first annular frame, one end opening of the middle cavity of the third annular frame is communicated with the inside of the cabinet body, the other end opening is used for being communicated with the outside, the opening of the annular structure cavity of the third annular frame faces the outside, one end of the fan is communicated with the annular structure cavity of the third annular frame through a pipeline, and the other end of the fan is used for being communicated with the outside.
7. The novel low-voltage switch cabinet as claimed in claim 6, wherein the third ring-shaped frames are distributed uniformly in the top of the cabinet body, and the ring-shaped cavities adjacent to the third ring-shaped frames are communicated through a pipeline.
8. The novel low-voltage switch cabinet according to claim 6, wherein the third ring frames are divided into 2 groups, the 2 groups of the third ring frames are vertically distributed in the top of the cabinet body, the middle cavities of the vertically corresponding third ring frames are communicated through a pipeline, the middle cavity of the lower third ring frame is communicated with the inside of the cabinet body, the middle cavity of the upper third ring frame is communicated with the outside, and the ring cavities of the adjacent third ring frames in the same group are communicated through a pipeline.
9. The novel low-voltage switch cabinet according to claim 1, wherein a first air filter screen is arranged at a communication position of the cavity and the outside, and a second air filter screen is arranged at a communication position of the middle cavity of the first annular frame and the outside.
10. The novel low-voltage switch cabinet according to claim 9, wherein an activated carbon cavity is arranged between the cavity and the first air filter screen, and air purification activated carbon is placed in the activated carbon cavity.
CN202220149019.2U 2022-01-20 2022-01-20 Novel low-voltage switch cabinet Active CN216774056U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220149019.2U CN216774056U (en) 2022-01-20 2022-01-20 Novel low-voltage switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220149019.2U CN216774056U (en) 2022-01-20 2022-01-20 Novel low-voltage switch cabinet

Publications (1)

Publication Number Publication Date
CN216774056U true CN216774056U (en) 2022-06-17

Family

ID=81979397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220149019.2U Active CN216774056U (en) 2022-01-20 2022-01-20 Novel low-voltage switch cabinet

Country Status (1)

Country Link
CN (1) CN216774056U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115249562A (en) * 2022-09-22 2022-10-28 保定市龙跃电力器材制造有限公司 Heat-resistant high-grade energy-saving transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115249562A (en) * 2022-09-22 2022-10-28 保定市龙跃电力器材制造有限公司 Heat-resistant high-grade energy-saving transformer

Similar Documents

Publication Publication Date Title
CN216774056U (en) Novel low-voltage switch cabinet
CN208539422U (en) A kind of Multifunctional power distribution cabinet
CN201985650U (en) Double-fed wind driven generator
CN208675101U (en) A kind of ventilation cooling system applied on frequency converter
CN104645914B (en) A kind of self-purifying system for confined reaction room
CN214315714U (en) Gas cooling thermal plasma efficient arc generating device and waste gas treatment equipment
CN213627871U (en) Cooling and ventilating device for wind driven generator
CN201869028U (en) Air-to-air cooler of double-fed wind driven generator
CN114336368A (en) Indoor interchange metal armor withdrawable switchgear cabinet
CN210895282U (en) Computer mainframe capable of quickly radiating
CN113115571A (en) Heat dissipation mechanism of textile electrical controller
CN203722487U (en) Off-grid inverter device
CN215667852U (en) Biomass gas gasification producer with positive and negative pressure devices
CN218940924U (en) Fire control inspection converter
CN212109339U (en) Feather air dryer
CN215672897U (en) Noise reduction device for cooling tower axial flow fan
CN219085768U (en) Power transformer with high heat dissipation efficiency
CN217062279U (en) Small-size energy storage container
CN210180038U (en) Rice seed drying equipment
CN218020091U (en) Novel forming module of high-voltage power tube
CN219868813U (en) Drying tank and silicon wafer cleaning equipment
CN215191234U (en) Handheld dust collector
CN209045630U (en) Power battery box air-duct apparatus
CN214279749U (en) Electronic transformer with good heat dissipation effect
CN215109583U (en) Efficient kiln tail exhaust fan

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant