CN218940466U - Configuration power cabinet with heat dissipation and dust filtering cleaning structure - Google Patents
Configuration power cabinet with heat dissipation and dust filtering cleaning structure Download PDFInfo
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- CN218940466U CN218940466U CN202223512882.9U CN202223512882U CN218940466U CN 218940466 U CN218940466 U CN 218940466U CN 202223512882 U CN202223512882 U CN 202223512882U CN 218940466 U CN218940466 U CN 218940466U
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- 239000000428 dust Substances 0.000 title claims abstract description 54
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 39
- 238000001914 filtration Methods 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 12
- 238000004880 explosion Methods 0.000 claims description 10
- 230000008093 supporting effect Effects 0.000 claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000004696 Poly ether ether ketone Substances 0.000 abstract description 4
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 abstract description 4
- 229920002530 polyetherether ketone Polymers 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 6
- 238000007791 dehumidification Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses a configuration power cabinet with a heat dissipation, filtration and dust cleaning structure, which relates to the technical field of power cabinets and comprises an insulation cabinet body and a dust removal and heat dissipation group, wherein an upper cabinet is arranged at the top of the insulation cabinet body, the dust removal and heat dissipation group is horizontally arranged in the upper cabinet, a lower cabinet is arranged at the bottom of the insulation cabinet body, a dehumidifying and air supply group is arranged in the center of the inside of the lower cabinet, and a closing door shaft is vertically arranged at the left side and the right side of the insulation cabinet body. This configuration power cabinet with heat dissipation filters dust clearance structure utilizes the dust removal heat dissipation group can be with the inside of the insulating cabinet body concentrated filtration dust when continuing the heat dissipation, utilizes simultaneously to remove damp air supply group and makes the air circulation flow in the upper cabinet when avoiding outside moisture to pass through the base transmission to the upper cabinet inside, avoids the subsidence of dust, and the insulating cabinet body adopts PEEK material preparation, can produce the isolation to outside electric current, avoids leading to the inside electrical components damage of equipment, this life that is favorable to promoting equipment.
Description
Technical Field
The utility model relates to the technical field of power cabinets, in particular to a configuration power cabinet with a heat dissipation and dust filtration cleaning structure.
Background
The power cabinet is a generic term of a motor control center, and is used in the occasions with more dispersed loads and fewer loops to provide protection, monitoring and control for the loads in the circuit. The power supply is convenient to configure in a slicing (or classifying) way, when a circuit fails, the fault range is controlled conveniently and rapidly, the fault point is found out in time to be removed, the circuit is convenient to overhaul in a slicing way, a large-area power failure is not needed, various protection devices such as a fuse (fuse) for preventing short circuit, an air switch for preventing overload and the like are conveniently placed in the power supply cabinet.
The utility model of application number CN201921639534.3 discloses a power cabinet, wherein a plurality of battery modules and a plurality of main control modules are stacked on the base, and the battery modules are electrically connected with the main control modules so as to be controlled by the main control modules; wherein, the main control module includes: a body having an interior cavity; a panel mounted to the body for opening and closing the cavity; the micro switch is arranged on the main body; when the panel is in a state of opening the inner cavity, the micro switch is triggered or released, so that the power cabinet is powered off. The power cabinet according to the embodiment of the utility model can avoid the occurrence of high-voltage electric shock, thereby improving the safety, but is similar to the power cabinet in the document, dust can be gradually accumulated on the surfaces of internal components under the condition of unmanned treatment in the power cabinet in long-term use, the surface heat dissipation of the components can be influenced for a long time, and meanwhile, classical propagation can be caused by the increase of dust in the air, so that the components are further damaged.
Accordingly, in view of the above, an arrangement power cabinet having a heat-dissipating and dust-filtering cleaning structure is proposed, which is improved in view of the existing structure and the drawbacks.
Disclosure of Invention
The utility model aims to provide a configuration power cabinet with a heat dissipation, filtration and dust cleaning structure, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a configuration power cabinet with heat dissipation filters dust clearance structure, includes the insulating cabinet body and removes dust heat and put up, the top of the insulating cabinet body is provided with the cabinet, remove dust heat and put up horizontal installation in the inside of cabinet, insulating cabinet body bottom is provided with down the cabinet, and the inside central authorities of cabinet install down and remove damp air supply group down, the vertical closed door axle of installing in the left and right sides of the insulating cabinet body, and the one end connection of closed door axle installs the explosion-proof door, remove dust heat and put up including central unit, fan group, gomphosis filter screen, the fan group is installed to the upper and lower both sides horizontal installation of central unit, and the surface of fan group is provided with the gomphosis filter screen.
Further, the dust removal cooling group still includes support frame, blast pipe and air outlet, the support frame is installed in the left and right sides at fan group top, and the blast pipe is connected in the left and right sides of fan group, the one end that the blast pipe kept away from fan group is provided with the air outlet.
Further, the insulating cabinet body comprises a protection cabinet, a sealing frame, a base and cabinet legs, wherein the sealing frame is arranged in the middle of the protection cabinet, the base is arranged at the bottom of the protection cabinet, and the cabinet legs are arranged at the left end and the right end of the bottom of the base.
Further, the dehumidification air supply group comprises an installation bin, a dehumidification machine, a filter plate and an air inlet window, the dehumidification machine is installed in the center of the installation bin, the filter plate is horizontally arranged at the top of the installation bin, and the air inlet window is arranged on the left side and the right side of the installation bin.
Further, the closed door shaft comprises a door shaft, movable connecting rods, pneumatic rods and sliding bearings, the movable connecting rods are arranged at the upper end and the lower end of the door shaft, the pneumatic rods are arranged at one sides of the movable connecting rods, and the sliding bearings are arranged at the upper side and the lower side of the door shaft.
Further, the explosion-proof door comprises a reinforced door plate, a supporting frame, reinforced glass and sealing strips, wherein the supporting frame is coated on the periphery of the reinforced door plate, the reinforced glass is arranged in the center of the reinforced door plate, and the sealing strips are filled between the reinforced door plate and the reinforced glass.
Further, the closing door shaft is installed in a bilateral symmetry mode by taking the vertical central axis of the insulating cabinet body as a symmetry axis, and the explosion-proof door is installed in a bilateral symmetry mode by taking the vertical central axis of the insulating cabinet body as a symmetry axis.
Further, the fan group is installed in an up-down symmetry mode by taking the horizontal central axis of the central unit as a symmetry axis, and the exhaust pipe is installed in a left-right symmetry mode by taking the vertical central axis of the fan group as a symmetry axis.
The utility model provides a configuration power cabinet with a heat dissipation and dust filtration cleaning structure, which has the following beneficial effects: utilize the dust removal cooling group can be with the inside of insulating cabinet body concentrated filtration dust when lasting the heat dissipation, make the air circulation flow in the upper cabinet when utilizing the moisture removal air supply group to avoid outside moisture to pass through the base transmission to the upper cabinet inside simultaneously, avoid the subsidence of dust, the insulating cabinet body adopts PEEK material preparation, can produce the isolation to outside electric current, avoid leading to the inside electrical components of equipment to damage, this life that is favorable to promoting equipment.
1. According to the utility model, the insulation cabinet body can insulate and protect internal electronic equipment, and plays a role in supporting and protecting the internal electronic equipment while avoiding damage caused by external high-voltage current, wherein the protection cabinet is made of PEEK material, has good high-temperature resistance, corrosion resistance, ageing resistance and solubility resistance, has high-temperature high-frequency high-voltage performance conditions, has toughness and rigidity, can still maintain excellent characteristics under high temperature and high pressure, has good antistatic electrical insulation performance, and is beneficial to improving the working stability and the service life of the equipment.
2. According to the utility model, the dust removal heat dissipation group arranged in the upper cabinet can effectively dissipate heat generated by the internal electronic equipment of the insulating cabinet body during operation, so that the influence of excessive temperature on the performance of the equipment is avoided, meanwhile, the detachable embedded filter screen can be used for intensively filtering dust while continuously dissipating heat and exhausting air so as to facilitate regular maintenance and treatment, and the moisture removal air supply group in the lower cabinet is matched, so that on one hand, the internal air of the insulating cabinet body can be circularly pushed to assist the dust removal heat dissipation group to dissipate heat of the electronic equipment, and on the other hand, the dust in the air is prevented from sedimentation and inconvenient to be filtered by the embedded filter screen.
3. The structure of the explosion-proof door is manufactured by using the same material as the insulating cabinet, the center of the reinforced door plate is provided with the window, and the reinforced glass is arranged, so that the operation condition of the internal electronic equipment of the protective cabinet can be observed in real time, and meanwhile, the structure of the sealing frame is matched, so that the whole explosion-proof door has a good sealing effect after being closed.
Drawings
FIG. 1 is a schematic side view of a power cabinet with a heat dissipation and dust filtering structure;
FIG. 2 is a schematic diagram of a dust removal heat dissipation assembly with a power cabinet with a heat removal and dust filtration structure according to the present utility model;
fig. 3 is a schematic perspective view of a central unit and a fan unit with a power cabinet with a heat dissipation, dust filtration and cleaning structure.
In the figure: 1. an insulating cabinet; 101. a protective cabinet; 102. a sealing frame; 103. a base; 104. a cabinet leg; 2. a cabinet is arranged; 3. a dust removal heat dissipation group; 301. a central unit; 302. a fan set; 303. embedding a filter screen; 304. a support frame; 305. an exhaust pipe; 306. an air outlet; 4. lower a cabinet; 5. a dehumidifying air supply set; 501. a mounting bin; 502. a moisture removing machine; 503. a filter plate; 504. an air inlet window; 6. closing the door shaft; 601. a door spindle; 602. a movable connecting rod; 603. a pneumatic lever; 604. a sliding bearing; 7. an explosion door; 701. strengthening the door plate; 702. a support frame; 703. strengthening glass; 704. and (5) a sealing strip.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 2, a configuration power cabinet with heat dissipation and dust filtration cleaning structure, including insulating cabinet body 1 and dust removal and heat dissipation group 3, the top of insulating cabinet body 1 is provided with cabinet 2 on, dust removal and heat dissipation group 3 horizontal installation is in the inside of cabinet 2 on, insulating cabinet body 1 bottom is provided with cabinet 4 down, and the inside central authorities of cabinet 4 down install the dehumidification air supply group 5, the left and right sides of insulating cabinet body 1 are vertical installs closed door axle 6, and the one end connection of closed door axle 6 installs explosion vent 7, insulating cabinet body 1 includes protection cabinet 101, sealing frame 102, base 103 and cabinet foot 104, the middle part of protection cabinet 101 is provided with sealing frame 102, and the bottom of protection cabinet 101 is provided with base 103, the cabinet foot 104 is installed to the bottom left and right sides of base 103, wherein in order to avoid the lower cabinet 4 of insulating cabinet body 1 bottom to contact ground for a long time, lead to the direct entering equipment inside on ground, utilize base 103 and cabinet foot 104 to raise whole power supply to raise can carry out the high frequency manufacturing to a certain degree of resistance to ground, wherein protection cabinet 101 is by PEEK material, good electrical insulation performance is good, high temperature and high-temperature resistance, high-voltage stability, high-voltage resistance and high-temperature stability, high-temperature resistance, high-performance is good stability, high-temperature resistance and high-temperature stability, high-performance is maintained, and high-temperature stability, and high-temperature resistance performance is good at the same performance, and high-temperature stability, and high-frequency stability
As shown in fig. 1 to 2, the dust removal and heat dissipation unit 3 comprises a central unit 301, a fan unit 302 and a jogged filter screen 303, wherein the fan unit 302 is horizontally arranged at the upper side and the lower side of the central unit 301, the jogged filter screen 303 is arranged on the surface of the fan unit 302, the dust removal and heat dissipation unit 3 further comprises a support frame 304, an exhaust pipe 305 and an air outlet 306, the support frame 304 is arranged at the left side and the right side of the top of the fan unit 302, the exhaust pipe 305 is connected at the left side and the right side of the fan unit 302, the air outlet 306 is arranged at one end of the exhaust pipe 305 far away from the fan unit 302, the dehumidifying air supply unit 5 comprises a mounting bin 501, a dehumidifying machine 502, a filter plate 503 and an air inlet window 504, the dehumidifying machine 502 is arranged at the center of the mounting bin 501, the filter plate 503 is horizontally arranged at the top of the mounting bin 501, the air inlet window 504 at the left side and the right side of the mounting bin 501, the fan set 302 is installed symmetrically from top to bottom with the horizontal central axis of the central unit 301 as a symmetry axis, the exhaust pipe 305 is installed symmetrically from left to right with the vertical central axis of the fan set 302 as a symmetry axis, firstly, the central unit 301 will drive the fan set 302 to operate, hot air in the protection cabinet 101 is discharged, when the hot air is filtered through the embedded filter screen 303 on the surface of the fan set 302, thereby collecting dust intensively, so as to facilitate the concentrated cleaning in the later stage, the filtered hot air can be finally discharged from the air outlet 306 through the exhaust pipe 305, the moisture removing machine 502 in the installation bin 501 will pump outside air into the protection cabinet 101 through the air inlet window 504, and meanwhile, before the air enters the protection cabinet 101, the dust in the air can be filtered by the filter plate 503 at the top of the installation bin 501.
As shown in fig. 1, the closed door shaft 6 includes a door shaft 601, a movable connecting rod 602, a pneumatic rod 603 and a sliding bearing 604, the upper and lower ends of the door shaft 601 are provided with the movable connecting rod 602, one side of the movable connecting rod 602 is provided with the pneumatic rod 603, the upper and lower sides of the door shaft 601 are provided with the sliding bearing 604, the explosion vent 7 includes a reinforced door plate 701, a supporting frame 702, reinforced glass 703 and a sealing strip 704, the periphery of the reinforced door plate 701 is covered with the supporting frame 702, the reinforced glass 703 is arranged in the center of the reinforced door plate 701, the sealing strip 704 is filled between the reinforced door plate 701 and the reinforced glass 703, the closed door shaft 6 is installed in a bilateral symmetry manner by taking the vertical central axis of the insulating cabinet 1 as a symmetry axis, the explosion vent 7 is installed in a bilateral symmetry manner by taking the vertical central axis of the insulating cabinet 1 as a symmetry axis, the door shaft 601 rotates by taking the sliding bearing 604 as a center, and the pneumatic rod 603 connected to the surface of the door shaft 601 can prevent the closed explosion vent 7 from automatically opening and closing, the supporting frame 702 and the periphery of the reinforced door plate is combined with the sealing frame 102, so that the front face 7 of the insulating cabinet 1 can form a closed electronic door plate structure after the electronic door plate is closed, and the electronic door plate is formed in a real-time operation state.
In summary, as shown in fig. 1 to 3, when the power cabinet with the heat dissipation and dust filtration cleaning structure is used, firstly, the explosion door 7 on the front surface of the insulating cabinet body 1 is closed left and right, the door shaft 601 rotates by taking the sliding bearing 604 as the center of a circle, wherein the sealing frame 102 is made of flexible rubber material, the sealing frame 102 can fill up the connection gap between the insulating cabinet body 1 and the explosion door 7 after the protective cabinet 101 is attached to the supporting frame 702 around the reinforced door plate 701, the inside of the power cabinet can be in a closed state after the explosion door 7 is closed, so that the dust and sundries outside are prevented from entering the inside of the power cabinet, meanwhile, the movable connecting rod 602 and the pneumatic rod 603 connected to the surface of the door shaft 601 can prevent the closed explosion door 7 from automatically opening and closing, and in order to prevent the lower cabinet 4 at the bottom of the insulating cabinet body 1 from contacting the ground for a long time, so that the moisture on the ground directly enters the inside of the equipment, and the whole power cabinet is lifted by the base 103 and the cabinet legs 104 to block the moisture on the ground to a certain extent;
the dedusting and heat dissipation set 3 and the dehumidifying and air supplying set 5 are started, the central unit 301 drives the fan set 302 to operate, hot air in the protective cabinet 101 is discharged, when the hot air is filtered through the embedded filter screen 303 on the surface of the fan set 302, dust is collected intensively so as to be cleaned intensively in the later period, the filtered hot air is finally discharged from the air outlet 306 through the air outlet pipe 305, the dehumidifying machine 502 in the installation bin 501 can pump outside air into the protective cabinet 101 through the air inlet window 504, and meanwhile, before the air enters the protective cabinet 101, the dust in the air is filtered by the filter plate 503 at the top of the installation bin 501, and the reinforced glass 703 in the center of the reinforced door plate 701 can enable workers to observe the running state of electronic equipment in the interior in real time.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a configuration power cabinet with dust clearance structure is filtered in heat dissipation, includes insulating cabinet body (1) and dust removal heat dissipation group (3), its characterized in that: the top of the insulating cabinet body (1) is provided with the upper cabinet (2), dust removal heat dissipation group (3) horizontal installation is in the inside of upper cabinet (2), insulating cabinet body (1) bottom is provided with cabinet (4) down, and installs in the inside central authorities of cabinet (4) down and remove damp air supply group (5), closed door axle (6) are vertically installed to the left and right sides of insulating cabinet body (1), and the one end connection of closed door axle (6) installs explosion-proof door (7), dust removal heat dissipation group (3) are including central unit (301), fan group (302), gomphosis filter screen (303), fan group (302) are installed to the upper and lower both sides horizontal installation of central unit (301), and the surface of fan group (302) is provided with gomphosis filter screen (303).
2. The power cabinet with the heat dissipation, filtration and dust cleaning structure according to claim 1, wherein the dust removal and heat dissipation group (3) further comprises a support frame (304), an exhaust pipe (305) and an air outlet (306), the support frame (304) is installed on the left side and the right side of the top of the fan group (302), the exhaust pipe (305) is connected on the left side and the right side of the fan group (302), and the air outlet (306) is arranged at one end, far away from the fan group (302), of the exhaust pipe (305).
3. The power cabinet with the heat dissipation, filtration and dust cleaning structure is characterized in that the insulation cabinet body (1) comprises a protection cabinet (101), a sealing frame (102), a base (103) and cabinet legs (104), the sealing frame (102) is arranged in the middle of the protection cabinet (101), the base (103) is arranged at the bottom of the protection cabinet (101), and the cabinet legs (104) are arranged at the left end and the right end of the bottom of the base (103).
4. The power cabinet with the heat dissipation, filtration and dust cleaning structure according to claim 1, wherein the dehumidifying and air supplying set (5) comprises a mounting bin (501), a dehumidifying machine (502), a filter plate (503) and an air inlet window (504), the dehumidifying machine (502) is mounted in the center of the mounting bin (501), the filter plate (503) is horizontally arranged at the top of the mounting bin (501), and the air inlet window (504) on the left side and the right side of the mounting bin (501).
5. The power cabinet with the heat dissipation and dust cleaning structure is characterized in that the closed door shaft (6) comprises a door shaft (601), a movable connecting rod (602), a pneumatic rod (603) and sliding bearings (604), the movable connecting rod (602) is installed at the upper end and the lower end of the door shaft (601), the pneumatic rod (603) is installed at one side of the movable connecting rod (602), and the sliding bearings (604) are installed at the upper side and the lower side of the door shaft (601).
6. The power cabinet with the heat dissipation, filtration and dust cleaning structure according to claim 1, wherein the explosion door (7) comprises a reinforced door plate (701), a supporting frame (702), reinforced glass (703) and a sealing strip (704), the supporting frame (702) is wrapped around the reinforced door plate (701), the reinforced glass (703) is arranged in the center of the reinforced door plate (701), and the sealing strip (704) is filled between the reinforced door plate (701) and the reinforced glass (703).
7. The power supply cabinet with the heat dissipation, filtration and dust cleaning structure is characterized in that the closed door shaft (6) is installed in a bilateral symmetry mode by taking the vertical central axis of the insulating cabinet body (1) as a symmetry axis, and the explosion-proof door (7) is installed in a bilateral symmetry mode by taking the vertical central axis of the insulating cabinet body (1) as a symmetry axis.
8. The power supply cabinet with the heat dissipation, filtration and dust cleaning structure according to claim 2, wherein the fan group (302) is installed symmetrically up and down by taking a horizontal central axis of the central unit (301) as a symmetry axis, and the exhaust pipe (305) is installed symmetrically left and right by taking a vertical central axis of the fan group (302) as a symmetry axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223512882.9U CN218940466U (en) | 2022-12-28 | 2022-12-28 | Configuration power cabinet with heat dissipation and dust filtering cleaning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223512882.9U CN218940466U (en) | 2022-12-28 | 2022-12-28 | Configuration power cabinet with heat dissipation and dust filtering cleaning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218940466U true CN218940466U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223512882.9U Active CN218940466U (en) | 2022-12-28 | 2022-12-28 | Configuration power cabinet with heat dissipation and dust filtering cleaning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218940466U (en) |
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2022
- 2022-12-28 CN CN202223512882.9U patent/CN218940466U/en active Active
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Effective date of registration: 20240407 Address after: No. 24-1 (37), zhidingyuan Laoshan Creative Park, No. 9, Xinbei Road, Pukou District, Nanjing, Jiangsu 210000 Patentee after: Nanjing Hangli Technology Co.,Ltd. Country or region after: China Address before: 518000, Zone B-510, Yingfu Jiayuan, Jinniu West Road, Pingshan Street, Pingshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Ainos Huada Power System Co.,Ltd. Country or region before: China |