CN115003070A - Communication cabinet voltage-stabilizing power supply - Google Patents
Communication cabinet voltage-stabilizing power supply Download PDFInfo
- Publication number
- CN115003070A CN115003070A CN202210523004.2A CN202210523004A CN115003070A CN 115003070 A CN115003070 A CN 115003070A CN 202210523004 A CN202210523004 A CN 202210523004A CN 115003070 A CN115003070 A CN 115003070A
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- power supply
- groove
- side wall
- support bar
- gear
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- 238000004891 communication Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 239000002250 absorbent Substances 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims 9
- 238000003780 insertion Methods 0.000 claims 3
- 230000037431 insertion Effects 0.000 claims 3
- 230000000630 rising effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 3
- 229910000365 copper sulfate Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- 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
-
- 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
- B01D53/28—Selection of materials for use as drying agents
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a communication cabinet voltage-stabilizing power supply, which comprises a power supply body and a protective frame, wherein the power supply body is arranged in the protective frame, a working cavity is formed in the side wall of the protective frame, a moving groove is formed in the top wall of the protective frame, the moving groove is communicated with the working cavity, a limiting mechanism is arranged in the working cavity, a placing groove is formed in the bottom wall of the protective frame, a plurality of limiting grooves are formed in the side wall of the placing groove, a plurality of lifting mechanisms are arranged in the placing groove, a sliding groove is formed in the side wall of the bottom of the protective frame, and a damp-proof mechanism is arranged in the sliding groove; the invention can help the power supply to be more firmly fixed in the cabinet, and can lead the power supply to be far away from the ground, thereby preventing the power supply from being corroded by moisture from the ground.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a communication cabinet voltage-stabilized power supply.
Background
The communication cabinet is used for protecting storage equipment, shielding electromagnetic interference, orderly arranging the equipment, facilitating later maintenance of the equipment and playing a key role in forming and normally operating a communication network. Many communication cabinets are typically set up outdoors and are referred to as outdoor communication cabinets. An outdoor communication cabinet is one of outdoor cabinets, and refers to a cabinet body which is directly under the influence of natural climate and is made of metal or nonmetal materials, and does not allow an operator without permission to enter the cabinet body for operation.
Because the communication cabinet is set up in the open air, the moisture that comes from ground in the external environment is great, and the power often sets up the bottom at the cabinet again, and the power just is corroded by the moisture more easily, and the cabinet that is in the external world often can stand to blow by wind and rain and beat, and the cabinet that rocks can strike the power surface for the security of power receives the threat, for this reason, we provide a communication cabinet constant voltage power supply to solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the power supply at the bottom of the cabinet is easily corroded by moisture from the ground, the power supply can not be completely matched with a power supply empty part reserved at the bottom of the cabinet, and when the cabinet is blown by rain, the power supply can be impacted by the inner wall of the cabinet, so that the communication cabinet voltage-stabilizing power supply is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a communication cabinet constant voltage power supply, includes power body and fender bracket, the power body is installed inside the fender bracket, the inside working chamber of having seted up of fender bracket lateral wall, the motion groove has been seted up to the fender bracket roof, motion groove and working chamber intercommunication, stop gear has been installed to the working chamber inside, the standing groove has been seted up to the fender bracket diapire, a plurality of restriction slots have been seted up to the standing groove lateral wall, a plurality of mechanisms that rise and fall have been installed in the standing groove, the spout has been seted up to fender bracket bottom lateral wall, dampproofing mechanism has been installed in the spout.
The invention further defines the technical scheme that:
preferably, stop gear includes rack, gear, nut, screw rod and stopper, the ring channel has been seted up to the working chamber inner wall, the annular block has been installed to the gear lateral wall, the annular block embedding ring channel, rack and gear engagement, the rack is kept away from gear one end lateral wall and is installed the shifting block, the shifting block stretches out from the motion groove, the nut is installed inside the gear, the screw rod runs through fender bracket both sides lateral wall, the screw rod meshes with the nut, the stopper is installed and is kept away from power supply body one end lateral wall at the screw rod.
Preferably, two gaskets are respectively installed on the side walls of two sides of the power supply body, and the positions of the plurality of gaskets respectively correspond to the positions of the screws.
Preferably, the lifting mechanism comprises a first supporting rod, a second supporting rod and a stop lever, the first supporting rod is connected with the bottom wall of the placing groove in a rotating mode, one end, far away from the placing groove, of the first supporting rod is connected with one end of the second supporting rod in a rotating mode, and the stop lever transversely penetrates through the second supporting rod and is far away from one end of the first supporting rod.
Preferably, the restriction groove has the same size as a stopper rod, which is cylindrical in shape.
Preferably, a plurality of the lifting mechanisms are distributed on the bottom wall of the protection frame in a rectangular shape, and the length of the placement groove is greater than the sum of the lengths of the first supporting rod and the first supporting rod.
Preferably, dampproofing mechanism includes picture peg and water-absorbent resin, the spout sliding connection of picture peg and fender bracket bottom lateral wall, the picture peg is kept away from power supply body one side lateral wall and is seted up flutedly, water-absorbent resin places inside the recess.
Preferably, the fender bracket lateral wall has installed the indicator panel, the measuring terminal of indicator panel stretches into in the recess, the transparent plate has been seted up to the indicator panel lateral wall, the inside chromogenic material of having placed of indicator panel.
Preferably, the chromogenic material is anhydrous copper sulfate.
Preferably, one end of the sliding groove is designed to be an opening, and a handle is arranged on the side wall of the inserting plate close to the opening end of the sliding groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the limit blocks arranged on the two sides of the power supply body can support against the space inside the cabinet, so that the power supply body can be firmly fixed inside the cabinet, the adjustable screw rod can enable the body with the energy source to adapt to cabinets with different reserved spaces, the screw rod has the self-locking characteristic, the screw rod cannot move even if the cabinet shakes, and meanwhile, the gasket arranged on the side wall of the power supply body can also protect the safety of the power supply body;
2. the lifting mechanism can lift the power supply body by a distance, so that the power supply body is separated from the bottom of the cabinet, and the moisture corrosion of the ground is effectively prevented;
3. the dampproofing mechanism that power body bottom set up can absorb the vapor that comes on those evaporates, and owing to place water absorbent resin's recess and set up in keeping away from power body one side, consequently absorptive vapor can not influence power body, the absorbent vapor of water absorbent resin also can be instructed to the indicator board of fender lateral wall, when observing the chromogenic material in the indicator board and discolour, just explain in time to change dampproofing mechanism, the spout of fender bottom is for conveniently changing the dampproofing mechanism and setting.
Drawings
Fig. 1 is a schematic structural diagram of a communication cabinet voltage-stabilized power supply according to the present invention;
FIG. 2 is a schematic structural view of a limiting mechanism;
FIG. 3 is a schematic view of the bottom of the protective frame;
FIG. 4 is an enlarged view of portion A of FIG. 3;
in the figure: the device comprises a power supply body 1, a protection frame 2, a motion groove 3, a 400 limiting mechanism, a 401 rack, a 402 gear, a 403 nut, a 404 screw rod, a 405 limiting block, a 5 placing groove, a 6 limiting groove, a 700 lifting mechanism, a 701 first supporting rod, a 702 second supporting rod, a 703 stop lever, an 8 sliding groove, a 900 damp-proof mechanism, a 901 inserting plate, 902 water-absorbent resin, a 10 annular groove, 11 annular blocks, 12 shifting blocks, 13 gaskets, 14 grooves, 15 indicating plates, 16 transparent plates, 17 color development materials and 18 handles.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a communication cabinet voltage-stabilizing power supply comprises a power supply body 1 and a protection frame 2, wherein the power supply body 1 is arranged inside the protection frame 2, a working cavity is formed in the side wall of the protection frame 2, a moving groove 3 is formed in the top wall of the protection frame 2, the moving groove 3 is communicated with the working cavity, a limiting mechanism 400 is arranged inside the working cavity, the limiting mechanism 400 comprises a rack 401, a gear 402, a nut 403, a screw 404 and a limiting block 405, two gaskets 13 are respectively arranged on the side walls of two sides of the power supply body 1, the positions of the gaskets 13 respectively correspond to the positions of the screw 404, and the gaskets 13 arranged on the side walls of the power supply body 1 can protect the power supply body 1 from being collided by the screw 404;
the inner wall of the working cavity is provided with an annular groove 10, the side wall of the gear 402 is provided with an annular block 11, the annular block 11 is embedded into the annular groove 10, the rack 401 is meshed with the gear 402, the side wall of the rack 401, which is far away from the gear 402, is provided with a shifting block 12, the shifting block 12 extends out of the motion groove 3, the nut 403 is arranged inside the gear 402, the screw 404 penetrates through the side walls of two sides of the protective frame 2, the screw 404 is meshed with the nut 403, the limiting block 405 is arranged on the side wall of the screw 404, which is far away from the power supply body 1, and the limiting block 405 is mainly used for abutting against the inner wall of the cabinet, so that the power supply body 1 is fixed relative to the cabinet, and the inner wall of the cabinet is effectively prevented from impacting the power supply body 1;
the bottom wall of the protection frame 2 is provided with a placing groove 5, the side wall of the placing groove 5 is provided with a plurality of limiting grooves 6, a plurality of lifting mechanisms 700 are arranged in the placing groove 5, each lifting mechanism 700 comprises a first supporting rod 701, a second supporting rod 702 and a stop rod 703, the plurality of lifting mechanisms 700 are distributed on the bottom wall of the protection frame 2 in a rectangular mode, the length of the placing groove 5 is larger than the sum of the lengths of the first supporting rod 701 and the first supporting rod 701, and the length of the placing groove 5 is long so that the first supporting rod 701 and the second supporting rod 702 can be placed in the placing groove 5 to facilitate transportation of a power supply;
the first supporting rod 701 is rotatably connected with the bottom wall of the placing groove 5, one end, far away from the placing groove 5, of the first supporting rod 701 is rotatably connected with one end, far away from the placing groove 5, of the second supporting rod 702, the stop rod 703 transversely penetrates through one end, far away from the first supporting rod 701, of the second supporting rod 702, the size of the limiting groove 6 is the same as that of the stop rod 703, the stop rod 703 is cylindrical, and the cylindrical stop rod 703 enables the stop rod 703 to be more stably abutted against the inside of the limiting groove 6, so that the power supply body 1 is lifted more stably;
the side wall of the bottom of the protection frame 2 is provided with a sliding groove 8, a moisture-proof mechanism 900 is arranged in the sliding groove 8, the moisture-proof mechanism 900 comprises an inserting plate 901 and water-absorbent resin 902, the inserting plate 901 is in sliding connection with the sliding groove 8 of the side wall of the bottom of the protection frame 2, one end of the sliding groove 8 is in an open design, a handle 18 is arranged on the side wall of the inserting plate 901 close to the open end of the sliding groove 8, and the handle 18 is mainly arranged to facilitate replacement of the moisture-proof mechanism 900, so that the power supply body 1 is protected from being corroded by water vapor from the ground;
the side wall of the inserting plate 901, which is far away from the power supply body 1, is provided with the groove 14, the water-absorbent resin 902 is placed in the groove 14, and the groove 14 for placing the water-absorbent resin 902 is arranged on the side wall of the side wall which is far away from the power supply body 1, so that the absorbed water vapor cannot influence the power supply body 1;
According to the invention, after the power supply body 1 is placed in a cabinet, the shifting block 12 is shifted along the moving groove 3, the rack 401 fixedly connected with the shifting block 12 drives the gear 402 to rotate, the nut 403 arranged inside the gear 402 rotates along with the gear, and the screw 404 meshed with the nut 403 also drives the limiting block 405 to move, so that the limiting block 405 is abutted against the inner wall of the cabinet, the power supply body 1 is static relative to the cabinet, and the cabinet is prevented from being impacted on the power supply body 1 when being blown by strong wind;
the second supporting rod 702 at the bottom of the protection frame 2 can be pulled according to the local ground humidity, the second supporting rod 702 and the first supporting rod 701 can rotate, a stop rod 703 at one end of the second supporting rod 702 is embedded into a limiting groove 6, so that the landing gear 700 is fixed, and the four landing gear 700 distributed at the bottom of the protection frame 2 move according to the step, so that the power supply body 1 can be stably lifted, and is separated from the bottom of the cabinet by a certain distance;
the water-absorbent resin 902 of fender bracket 2 bottom can be with the vapor absorption from ground to the safety of protection power supply body 1, and the color development material 17 in the indicator panel 15 of fender bracket 2 lateral wall also can clearly show the condition of absorbing water of water-absorbent resin 902, after color development material 17 discolours, the staff just needs to stimulate handle 18, thereby takes picture peg 901 out and changes dampproofing mechanism 900, makes power supply body 1's safety obtain guaranteeing all the time.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a communication cabinet constant voltage power supply, includes power supply body (1) and fender bracket (2), its characterized in that, power supply body (1) is installed inside fender bracket (2), the working chamber has been seted up to fender bracket (2) lateral wall inside, motion groove (3) have been seted up to fender bracket (2) roof, motion groove (3) and working chamber intercommunication, stop gear (400) have been installed to working chamber inside, standing groove (5) have been seted up to fender bracket (2) diapire, a plurality of restrictive groove (6) have been seted up to standing groove (5) lateral wall, a plurality of rising and falling mechanism (700) have been installed in standing groove (5), spout (8) have been seted up to fender bracket (2) bottom lateral wall, dampproofing mechanism (900) have been installed in spout (8).
2. The regulated power supply of claim 1, wherein the limiting mechanism (400) comprises a rack (401), a gear (402), a nut (403), a screw (404) and a limiting block (405), an annular groove (10) is formed in the inner wall of the working cavity, an annular block (11) is arranged on the side wall of the gear (402), the annular block (11) is embedded into the annular groove (10), the rack (401) is meshed with the gear (402), a shifting block (12) is arranged on the side wall of one end of the rack (401) far away from the gear (402), the shifting block (12) extends out of the motion groove (3), the nut (403) is arranged inside the gear (402), the screw rod (404) penetrates through the side walls of the two sides of the protection frame (2), the screw rod (404) is meshed with the nut (403), the limiting block (405) is arranged on the side wall of one end, far away from the power supply body (1), of the screw rod (404).
3. The regulated power supply of claim 1, wherein two gaskets (13) are respectively arranged on two side walls of the power supply body (1), and the positions of the gaskets (13) respectively correspond to the positions of the screws (404).
4. A regulated power supply for a communication cabinet according to claim 1, wherein the lifting mechanism (700) comprises a first support bar (701), a second support bar (702) and a stop bar (703), the first support bar (701) is rotatably connected with the bottom wall of the placement slot (5), one end of the first support bar (701) far away from the placement slot (5) is rotatably connected with one end of the second support bar (702), and the stop bar (703) transversely penetrates through one end of the second support bar (702) far away from the first support bar (701).
5. A regulated power supply for a telecommunications cabinet according to claim 4 wherein the restriction slot (6) is the same size as the stop (703), the stop (703) being cylindrical in shape.
6. A regulated power supply for a telecommunications cabinet according to claim 4, wherein a plurality of said lifters (700) are disposed in a rectangular shape on the bottom wall of the protective frame (2), and the length of said placement slot (5) is greater than the sum of the lengths of the first support bar (701) and the first support bar (701).
7. The regulated power supply of claim 1, wherein the moisture-proof mechanism (900) comprises an insertion plate (901) and water-absorbent resin (902), the insertion plate (901) is slidably connected with the sliding groove (8) on the side wall of the bottom of the protection frame (2), a groove (14) is formed in the side wall of the insertion plate (901) far away from the power supply body (1), and the water-absorbent resin (902) is placed in the groove (14).
8. A regulated power supply according to claim 7, characterized in that an indicator plate (15) is mounted on the side wall of the protective frame (2), the measuring end of the indicator plate (15) extends into the groove (14), a transparent plate (16) is opened on the side wall of the indicator plate (15), and a color developing material (17) is placed inside the indicator plate (15).
9. A regulated power supply according to claim 8 wherein the chromogenic material (17) is anhydrous copper sulphate.
10. A regulated power supply according to claim 7, wherein one end of the chute (8) is open, and the plug board (901) is provided with a handle (18) near the side wall of the open end of the chute (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210523004.2A CN115003070B (en) | 2022-05-13 | 2022-05-13 | Communication cabinet voltage-stabilized source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210523004.2A CN115003070B (en) | 2022-05-13 | 2022-05-13 | Communication cabinet voltage-stabilized source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115003070A true CN115003070A (en) | 2022-09-02 |
| CN115003070B CN115003070B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210523004.2A Active CN115003070B (en) | 2022-05-13 | 2022-05-13 | Communication cabinet voltage-stabilized source |
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| CN (1) | CN115003070B (en) |
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| CN215872874U (en) * | 2021-06-04 | 2022-02-22 | 广东胜天农业工程有限公司 | Novel greenhouse structure of windowing |
| CN113339659A (en) * | 2021-07-05 | 2021-09-03 | 江苏金信恒科技信息有限公司 | Remote communication thing networking device convenient to carry |
| CN216055825U (en) * | 2021-10-22 | 2022-03-15 | 重庆泊津科技有限公司 | Wall-hanging DC power supply cabinet protection machanism |
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