CN110165589B - Bottom air supply type heat dissipation power distribution cabinet for electrical engineering - Google Patents
Bottom air supply type heat dissipation power distribution cabinet for electrical engineering Download PDFInfo
- Publication number
- CN110165589B CN110165589B CN201910384193.8A CN201910384193A CN110165589B CN 110165589 B CN110165589 B CN 110165589B CN 201910384193 A CN201910384193 A CN 201910384193A CN 110165589 B CN110165589 B CN 110165589B
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- shell
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- heat dissipation
- power distribution
- cabinet
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 32
- 238000004870 electrical engineering Methods 0.000 title claims abstract description 14
- 229920000742 Cotton Polymers 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 12
- 238000001816 cooling Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a bottom air supply type heat dissipation power distribution cabinet for electrical engineering, which comprises a shell, an air cavity and a top dustproof cotton net, wherein the shell is provided with a plurality of air holes; the front and the back of the right end surface of the shell are hinged with a group of cabinet doors; six rows of the mounting plates are uniformly arranged inside the shell and axially connected, and four groups of the mounting plates are arranged in each row; six groups of top dustproof cotton nets are uniformly distributed and fixedly connected on the inner side of the top of the shell; the shell and the two groups of cabinet doors are locked by the two groups of door locks; the door lock is composed of the lock shaft and a handle. Through setting up the heat dissipation fan in the bottom, inhale wind from the bottom to set up the mounting panel into structure that can rotate, the slope mounting panel has increased the face that receives the wind of mounting panel, has improved the cooling effect of mounting panel, carries out the water conservancy diversion to wind simultaneously, makes wind form the whirl, improves the mobility of wind, utilizes the principle that the hot-air rises to improve the mobility of wind simultaneously, reaches good cooling effect, and the cooling effect is good.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to a bottom air supply type heat dissipation power distribution cabinet for electrical engineering.
Background
The switch board is generally used for installing electrical component and connects the electrical equipment that realizes controlling corresponding equipment, facility through electric circuit, because electrical component generates heat easily generally needs to install heat-radiating equipment to the switch board in the use of switch board, and current switch board generally adopts the side to set up cooling arrangement and cools off.
For example, application No.: the invention discloses a power distribution cabinet, which comprises a cabinet body with an opening at the front end and a cabinet door connected to the front end of the cabinet body through a hinge, wherein the cabinet body is provided with a front opening; a slope plate with a high middle part and low two sides is formed at the bottom in the cabinet body; a stepping motor is arranged at the lower part of a rear cabinet plate positioned at the rear side of the cabinet body and positioned above the middle position of the slope plate, and an output shaft of the stepping motor is connected with a refrigerating sheet assembly horizontally arranged along the front and rear directions of the cabinet body; a front baffle is arranged at the lower part of the front side of the cabinet body, and a first guide plate is fixedly connected to the left upper part of the refrigerating sheet assembly in the cabinet body; a baffle is fixedly connected to the right side of the refrigerating sheet assembly in the cabinet body, an upper air inlet is formed between the first guide plate and the second guide plate on the left side of the cabinet body, and an upper fan is installed in the upper air inlet; an upper air inlet plate is connected to the outer wall of the left side of the cabinet body above the upper air inlet, and air outlets are formed on the left side and the right side of the upper part of the cabinet body; the invention has simple and compact structure and is suitable for being used in various complex working condition environments.
Moreover, as another application No.: the invention discloses a power distribution cabinet, which comprises a cabinet body, wherein the cabinet body is fixedly arranged on the ground, a cabinet body door is movably connected to the edge of the front surface of the cabinet body, a fingerprint encryption mechanism is arranged on the edge of the inner surface of the cabinet body door, a liquid crystal display pressing device is arranged on the cabinet body door, a heat dissipation mechanism is arranged in the cabinet body, a controller is arranged on the surface of the outer side of the cabinet body, and the controller is respectively and electrically connected with the liquid crystal display pressing device, the fingerprint encryption mechanism, the heat dissipation mechanism and a single-line automatic induction lighting and camera device. The invention has the advantages of simple structure and strong practicability. .
Based on the retrieval of above-mentioned two patents to and combine the equipment discovery among the prior art, above-mentioned equipment is when using, and current switch board sets up heat abstractor through the side, dispels the heat, and air mobility is poor, is difficult to form the convection current, can't directly carry out abundant wind-blowing to electric elements, and cooling capacity is limited, only sets up a distribution mounting panel simultaneously, carries out the distribution, and space utilization is lower.
Disclosure of Invention
In order to solve the technical problems, the invention provides a bottom air supply type heat dissipation power distribution cabinet for electrical engineering, which aims to solve the problems that the existing power distribution cabinet is poor in air fluidity, difficult to form convection, incapable of directly blowing air to electrical elements and limited in cooling capacity because a heat dissipation device is arranged on the side surface of the existing power distribution cabinet for heat dissipation, and low in space utilization rate because only one power distribution mounting plate is arranged for power distribution.
The invention is used for the purpose and the effect of a bottom air supply type heat dissipation power distribution cabinet of electrical engineering, and is achieved by the following specific technical means:
a bottom air supply type heat dissipation power distribution cabinet for electrical engineering comprises a shell, an air cavity, a sliding chute, a locking groove, a mounting plate, a cabinet door, a door lock, a locking shaft, a handle, a heat dissipation fan, a bottom dustproof cotton net and a top dustproof cotton net; the front and the back of the right end surface of the shell are hinged with a group of cabinet doors; six rows of the mounting plates are uniformly arranged inside the shell and axially connected, and four groups of the mounting plates are arranged in each row; six groups of top dustproof cotton nets are uniformly distributed and fixedly connected on the inner side of the top of the shell; six groups of heat dissipation fans are uniformly distributed and fixedly connected on the inner side of the bottom of the shell; six groups of bottom dustproof cotton nets are uniformly arranged and inserted on the inner side of the bottom of the shell; the bottom dustproof cotton net is positioned right below the heat dissipation fan; the shell and the two groups of cabinet doors are locked by the two groups of door locks; the door lock is composed of the lock shaft and a handle.
Further, the shell is of a prism structure with a regular hexagon section, and the mounting plate is installed on the side opposite to the regular hexagon;
furthermore, the middle of the shell is of a hollow cylinder structure, the mounting plate is axially connected to the hollow cylinder structure, a group of cavities are formed in the middle of the right side of the mounting plate, and the cavities are communicated with the inside of the hollow cylinder structure;
furthermore, the mounting plate is a hollow cylinder structure with the upper end and the lower end provided with electric elements and the middle provided with wires, an electric circuit enters the middle of the shell from a cavity on the right side of the mounting plate, and then the electric circuit is led out of the power distribution cabinet;
furthermore, six groups of independent air cavities are arranged at the bottom of the shell, the outer sides of the air cavities are communicated with the outside through a group of protective nets, the air cavities are located right below the mounting plate, and the heat dissipation fan is located right above the air cavities;
furthermore, a group of sliding grooves is formed in the top of the air cavity, and the bottom dustproof cotton net is inserted into the shell through the sliding grooves;
furthermore, the lock shaft is hinged with the cabinet door, the handle is hinged with the lock shaft, and the hinge end of the handle is of a cam structure;
furthermore, a group of lock grooves are formed in the left sides of the shell and the cabinet door;
compared with the prior art, the invention has the following beneficial effects:
by adopting the power distribution cabinet with the regular-hexagon prism mechanism and arranging six rows of mounting plates in the power distribution cabinet, the power distribution capacity of the power distribution cabinet is improved, and the space occupation is reduced; the heat dissipation fan is arranged at the bottom, so that wind is sucked from the bottom, the mounting plate is arranged to be of a rotatable structure, the mounting plate is inclined, the wind receiving surface of the mounting plate is increased, the cooling effect of the mounting plate is improved, the wind is guided, the wind forms a rotational flow, the flowability of the wind is improved by utilizing the hot air rising principle, the good cooling effect is achieved, and the cooling effect is good; the dustproof cotton net is arranged to be in sliding insertion connection, so that the dustproof cotton net is convenient to disassemble, and even if the dustproof cotton net is cleaned, the dustproof cotton net at the bottom is prevented from being blocked to influence heat dissipation; through setting up the lock that has the cam structure, lock the cabinet door, it is effectual to lock simultaneously, has good dust that prevents to get into, convenient operation simultaneously.
Drawings
FIG. 1 is a schematic axial side view of the present invention.
Fig. 2 is a schematic view of the structure of the shaft side in the expanded state of the present invention.
Fig. 3 is a schematic view of the housing axial side structure of the present invention.
Fig. 4 is a schematic view of the present invention at a part enlarged in fig. 3.
Fig. 5 is a schematic view of the present invention at a part B in fig. 1.
Fig. 6 is a schematic view of the door lock shaft side structure of the present invention.
Fig. 7 is a schematic bottom sectional view of the wind chamber of the present invention.
Fig. 8 is a schematic side view of the bottom dust screen shaft of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-shell, 101-wind cavity, 102-sliding groove, 103-locking groove, 2-mounting plate, 3-cabinet door, 4-door lock, 401-locking shaft, 402-handle, 5-heat dissipation fan, 6-bottom dustproof cotton net and 7-top dustproof cotton net.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a bottom air supply type heat dissipation power distribution cabinet for electrical engineering, which comprises: the air conditioner comprises a shell 1, an air cavity 101, a sliding groove 102, a locking groove 103, a mounting plate 2, a cabinet door 3, a door lock 4, a lock shaft 401, a handle 402, a heat dissipation fan 5, a bottom dustproof cotton net 6 and a top dustproof cotton net 7; a group of cabinet doors 3 are hinged in front of and behind the right end face of the shell 1; six rows of mounting plates 2 are uniformly arranged inside the shell 1 and axially connected, and four groups of mounting plates 2 are arranged in each row; six groups of top dustproof cotton nets 7 are uniformly distributed and fixedly connected on the inner side of the top of the shell 1; six groups of heat dissipation fans 5 are uniformly distributed and fixedly connected on the inner side of the bottom of the shell 1; six groups of bottom dustproof cotton nets 6 are uniformly distributed and inserted on the inner side of the bottom of the shell 1; the bottom dustproof cotton net 6 is positioned right below the heat dissipation fan 5; the shell 1 and the two groups of cabinet doors 3 are locked by two groups of door locks 4; the door lock 4 is constituted by a lock shaft 401 and a handle 402.
Wherein, casing 1 is the prismatic structure of regular hexagon for the cross-section, and the installation of mounting panel 2 is just to regular hexagon's limit, makes things convenient for mounting panel 2 to carry out the rotation of certain range.
Wherein, the centre of casing 1 is hollow cylinder structure, and 2 axiality of mounting panel are connected in hollow cylinder structure, and 2 right side middle parts of mounting panel are provided with a set of cavities, and the cavity is linked together with hollow cylinder structure is inside, conveniently walks the line.
Wherein, the mounting panel 2 is for installing electrical component at upper and lower both ends, and the line is walked to the centre, and the hollow cylinder structure in the centre of casing 1 is got into from the cavity on mounting panel 2 right side to electric circuit, then draws forth the switch board, makes things convenient for mounting panel 2 to carry out the rotation of certain range, realizes concentrating simultaneously and walks the line.
The bottom of the shell 1 is provided with six groups of independent air cavities 101, the outer sides of the air cavities 101 are communicated with the outside through a group of protective nets, the air cavities 101 are located under the mounting plate 2, the heat dissipation fan 5 is located over the air cavities 101, and air of the heat dissipation fan 5 directly blows electric elements to dissipate heat.
Wherein, the top in wind chamber 101 is provided with a set of spout 102, and bottom dust screen 6 passes through spout 102 and pegs graft with casing 1, conveniently in time pulls down bottom dust screen 6 and washs.
The lock shaft 401 is hinged to the cabinet door 3, the handle 402 is hinged to the lock shaft 401, the hinge end of the handle 402 is of a cam structure, the cabinet door 3 is locked through the cam structure, the locking effect is good, and the operation is simple and convenient.
Wherein, the left sides of casing 1 and cabinet door 3 all are provided with a set of locked groove 103, and lock 4 passes locked groove 103, locks casing 1 and cabinet door 3.
When in use: when the device is installed, the upper side and the lower side of the installation plate 2 are provided with electric elements, the middle of the installation plate is wired, an electric circuit enters the hollow cylindrical structure in the middle of the shell 1 from the cavity on the right side of the installation plate 2, and then the electric circuit is led out of the power distribution cabinet; when the cabinet doors 3 are opened and closed, the two cabinet doors 3 are closed, the lock shaft 401 penetrates through the lock groove 103, the handle 402 is rotated, the two cabinet doors 3 are locked by means of the cam mechanism, and meanwhile, a good sealing effect is achieved; when the heat dissipation, can be with the rotatory certain angle of mounting panel 2, the heat dissipation fan 5 of bottom is with wind through bottom dustproof cotton net 6 from wind chamber 101 in with wind suction switch board, wind is met the mounting panel 2 of slope toward the in-process that rises, cool off mounting panel 2, form the cyclone under mounting panel 2's water conservancy diversion effect simultaneously, blow every mounting panel 2 in proper order, cool off mounting panel 2, simultaneously, utilize to increase air velocity under the effect that the hot-air rises, improve the cooling effect, it accomplishes the cooling through top dustproof cotton net 7 discharge switch board after the top to rise as wind.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. A bottom air feed formula heat dissipation switch board for electrical engineering, its characterized in that: this a bottom air feed formula heat-dissipation power distribution cabinet for electrical engineering includes: the air conditioner comprises a shell (1), an air cavity (101), a sliding groove (102), a locking groove (103), a mounting plate (2), a cabinet door (3), a door lock (4), a lock shaft (401), a handle (402), a heat dissipation fan (5), a bottom dustproof cotton net (6) and a top dustproof cotton net (7); a group of cabinet doors (3) are hinged in front of and behind the right end face of the shell (1); six rows of the mounting plates (2) are uniformly distributed and axially connected in the shell (1), and four groups of the mounting plates (2) are arranged in each row; six groups of top dustproof cotton nets (7) are uniformly distributed and fixedly connected on the inner side of the top of the shell (1); six groups of heat dissipation fans (5) are uniformly distributed and fixedly connected on the inner side of the bottom of the shell (1); six groups of bottom dustproof cotton nets (6) are uniformly arranged and inserted on the inner side of the bottom of the shell (1); the bottom dustproof cotton net (6) is positioned right below the heat dissipation fan (5); the shell (1) and the two groups of cabinet doors (3) are locked by two groups of door locks (4); the door lock (4) is composed of the lock shaft (401) and a handle (402);
the shell (1) is of a prismatic structure with a regular hexagonal section, and the mounting plate (2) is mounted right opposite to the edge of the regular hexagon;
the middle of the shell (1) is of a hollow cylinder structure, the mounting plate (2) is axially connected to the hollow cylinder structure, a group of cavities are formed in the middle of the right side of the mounting plate (2), and the cavities are communicated with the interior of the hollow cylinder structure;
the mounting plate (2) is provided with electrical elements at the upper end and the lower end, the middle of the mounting plate is wired, an electrical circuit enters the hollow cylinder structure in the middle of the shell (1) from the cavity on the right side of the mounting plate (2), and then the power distribution cabinet is led out.
2. The bottom-fed heat-dissipating power distribution cabinet for electrical engineering of claim 1, wherein: the bottom of casing (1) is provided with six groups of independence wind chamber (101), the outside in wind chamber (101) is linked together through a set of protection network and external world, wind chamber (101) are located under mounting panel (2), heat dissipation fan (5) are located directly over wind chamber (101).
3. The bottom-fed heat-dissipating power distribution cabinet for electrical engineering of claim 1, wherein: the top of wind chamber (101) is provided with a set of spout (102), bottom dust screen (6) pass through spout (102) with casing (1) grafting.
4. The bottom-fed heat-dissipating power distribution cabinet for electrical engineering of claim 1, wherein: the lock shaft (401) is hinged with the cabinet door (3), the handle (402) is hinged with the lock shaft (401), and the hinged end of the handle (402) is of a cam structure.
5. The bottom-fed heat-dissipating power distribution cabinet for electrical engineering of claim 1, wherein: the left sides of the shell (1) and the cabinet door (3) are provided with a group of locking grooves (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384193.8A CN110165589B (en) | 2019-05-09 | 2019-05-09 | Bottom air supply type heat dissipation power distribution cabinet for electrical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384193.8A CN110165589B (en) | 2019-05-09 | 2019-05-09 | Bottom air supply type heat dissipation power distribution cabinet for electrical engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110165589A CN110165589A (en) | 2019-08-23 |
| CN110165589B true CN110165589B (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910384193.8A Active CN110165589B (en) | 2019-05-09 | 2019-05-09 | Bottom air supply type heat dissipation power distribution cabinet for electrical engineering |
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| Country | Link |
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| CN (1) | CN110165589B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725710B (en) * | 2020-06-24 | 2022-06-17 | 重庆华美电力设备有限责任公司 | Auxiliary air intake device for internal ventilation of power distribution cabinet |
| CN112423570B (en) * | 2020-12-03 | 2022-07-22 | 沈海军 | Electrical engineering is with switch board that has water conservancy diversion heat radiation structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0823195B1 (en) * | 1995-04-25 | 1998-11-25 | Rittal-Werk Rudolf Loh GmbH & Co. KG | Housing structure for electrical and/or electronic devices for outdoor installation |
| CN107221866A (en) * | 2017-08-10 | 2017-09-29 | 赵秀波 | A kind of temperature adjustment waterproof electric power cabinet |
| CN207149919U (en) * | 2017-08-14 | 2018-03-27 | 深圳市创兴建设股份有限公司 | A kind of power distribution cabinet |
| CN207368561U (en) * | 2017-10-26 | 2018-05-15 | 长沙花明成套电器设备有限公司 | Voltage whole set switch cabinet |
| CN207442277U (en) * | 2017-06-26 | 2018-06-01 | 帝凯（厦门）电力成套设备有限公司 | A kind of complete power distribution cabinet of high pressure with moisture-proof function |
| CN108695716A (en) * | 2018-06-26 | 2018-10-23 | 南京恒众机械有限公司 | A kind of cylinder cabinet |
| CN208257138U (en) * | 2018-04-11 | 2018-12-18 | 徐州润泽电气有限公司 | A kind of novel incoming line cabinet mechanism equipped with embedded cabinet door |
-
2019
- 2019-05-09 CN CN201910384193.8A patent/CN110165589B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0823195B1 (en) * | 1995-04-25 | 1998-11-25 | Rittal-Werk Rudolf Loh GmbH & Co. KG | Housing structure for electrical and/or electronic devices for outdoor installation |
| CN207442277U (en) * | 2017-06-26 | 2018-06-01 | 帝凯（厦门）电力成套设备有限公司 | A kind of complete power distribution cabinet of high pressure with moisture-proof function |
| CN107221866A (en) * | 2017-08-10 | 2017-09-29 | 赵秀波 | A kind of temperature adjustment waterproof electric power cabinet |
| CN207149919U (en) * | 2017-08-14 | 2018-03-27 | 深圳市创兴建设股份有限公司 | A kind of power distribution cabinet |
| CN207368561U (en) * | 2017-10-26 | 2018-05-15 | 长沙花明成套电器设备有限公司 | Voltage whole set switch cabinet |
| CN208257138U (en) * | 2018-04-11 | 2018-12-18 | 徐州润泽电气有限公司 | A kind of novel incoming line cabinet mechanism equipped with embedded cabinet door |
| CN108695716A (en) * | 2018-06-26 | 2018-10-23 | 南京恒众机械有限公司 | A kind of cylinder cabinet |
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| CN110165589A (en) | 2019-08-23 |
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Effective date of registration: 20201118 Address after: No.1, LingHang Road, Yangzhong high tech Industrial Development Zone, Zhenjiang City, Jiangsu Province Applicant after: DAHANG YOUNENG ELECTRICAL Co.,Ltd. Address before: 324307 No. 6 Shiyadi, Pantaoshan Village, Chengguan Town, Kaihua County, Quzhou City, Zhejiang Province Applicant before: Yu Shuimei |
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Denomination of invention: Bottom air supply type heat dissipation distribution cabinet for electrical engineering Effective date of registration: 20221221 Granted publication date: 20201204 Pledgee: Zhenjiang Branch of Zheshang Bank Co.,Ltd. Pledgor: DAHANG YOUNENG ELECTRICAL CO.,LTD. Registration number: Y2022980028505 |