CN111740324A - But real time monitoring's switch board - Google Patents
But real time monitoring's switch board Download PDFInfo
- Publication number
- CN111740324A CN111740324A CN202010451874.4A CN202010451874A CN111740324A CN 111740324 A CN111740324 A CN 111740324A CN 202010451874 A CN202010451874 A CN 202010451874A CN 111740324 A CN111740324 A CN 111740324A
- Authority
- CN
- China
- Prior art keywords
- power distribution
- distribution cabinet
- sliding groove
- protection casing
- real time
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims description 4
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 238000005728 strengthening Methods 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction 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
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—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
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Distribution Board (AREA)
Abstract
The invention belongs to the field of power distribution cabinets, and particularly discloses a power distribution cabinet capable of being monitored in real time, which comprises a power distribution cabinet main body, a protective cover, a connecting device and a camera. Install the protection casing at switch board main part top, play certain guard action to the switch board main part, at the inside a plurality of strengthening ribs that are provided with of protection casing, improve the compressive strength of protection casing, prolong its life, the equal threaded connection of check lock lever and protection casing and switch board main part, the dismantlement and the change of the protection casing of being convenient for.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet capable of being monitored in real time.
Background
The comprehensive distribution box is a low-voltage distribution box formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement.
The existing comprehensive distribution box is mostly placed outdoors, because the electric circuit in the comprehensive distribution box is very important for the normal operation of a company or a factory, once the circuit in the comprehensive distribution box breaks down, huge influence is caused to an enterprise, and therefore, the real-time monitoring of the interior of the comprehensive distribution box is very important.
Disclosure of Invention
The invention aims to provide a power distribution cabinet capable of being monitored in real time, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a power distribution cabinet capable of being monitored in real time comprises a power distribution cabinet main body, a protective cover, a connecting device and a camera, wherein the protective cover is covered on the top of the power distribution cabinet main body, the protective cover is of a hemispherical structure, and the top of the protective cover is connected with the top of the power distribution cabinet main body through a vertically arranged locking rod; the camera passes through the interior wall connection of connecting device and switch board main part, connecting device is including installing the inserting groove on switch board main part inner wall, and with inserting groove about second sliding tray and the protruding board of both ends intercommunication, the inboard one end of second sliding tray communicates with curved first sliding tray, the one end of camera is inserted in the inserting groove, the both sides limit of camera one end is connected with protruding board perpendicularly, protruding board slides to first sliding tray along the second sliding tray inside that corresponds in, protruding board slides along the shape of first sliding tray, the lower extreme is provided with the connecting hole on the inserting groove, the inserted link passes the connecting hole and is connected with protruding board.
Preferably, the first sliding groove is in a shape of a quarter of a circular arc, the first sliding groove is arranged around the periphery of the insertion groove, and the first sliding groove is perpendicular to the second sliding groove.
Preferably, the inboard align to grid of protection casing has a plurality of strengthening ribs, and the strengthening rib disperses the range to the edge of protection casing along the central point at protection casing top with the inboard shape phase-match of protection casing, and the thickness of strengthening rib increases along the edge of protection casing central point to protection casing in proper order.
Preferably, one end of the camera inserted into the insertion groove is provided with a second conducting block, the first conducting block is installed inside the insertion groove and electrically connected with the second conducting block, and one end of the first conducting block is electrically connected with a small storage battery installed on the inner wall of the power distribution cabinet main body through an electric wire.
Preferably, the length and width of the second sliding groove match the corresponding length and width of the protruding plate.
Preferably, the distance between the edge of the first sliding groove and the edge of the inserting groove is matched with the length of the protruding plate, and the thickness of the first sliding groove is the same as that of the protruding plate.
Preferably, the locking lever is T font pole, and the locking lever passes the center department at protection casing top, locking lever and protection casing threaded connection, the terminal of locking lever and the center department threaded connection at switch board main part top.
Preferably, one end of the conductive block is located at the outer side of the camera, and the side edge of the camera is aligned with the inner side edge of the protruding plate.
Preferably, the edge of the bottom of the protective cover is positioned on the periphery of the top of the power distribution cabinet main body.
Compared with the prior art, the invention has the beneficial effects that:
1. during the protruding board through with the camera both sides inserts the second sliding tray that corresponds, then anticlockwise rotation camera for protruding board is rotatory along first sliding tray inside, and rotatory upper and lower end that is located the inserting groove to protruding board, protruding then inserts the inserted bar along the connecting hole, until the inserted bar inserts protruding inboard and be connected, can fix the camera, and operation is simple, and the people of being convenient for install or maintain.
2. Install the protection casing at switch board main part top, play certain guard action to the switch board main part, at the inside a plurality of strengthening ribs that are provided with of protection casing, improve the compressive strength of protection casing, prolong its life, the equal threaded connection of check lock lever and protection casing and switch board main part, the dismantlement and the change of the protection casing of being convenient for.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic structural diagram of a camera according to the present invention;
fig. 3 is a schematic diagram of the structure of the inner wall of the power distribution cabinet main body.
In the figure: 1. a power distribution cabinet main body; 2. a protective cover; 3. a connecting device; 31. inserting grooves; 32. connecting holes; 33. a raised plate; 34. a plug rod; 35. a first sliding groove; 36. a second sliding groove; 4. a camera; 5. reinforcing ribs; 6. a locking lever; 7. a first conductive block; 8. a second conductive block; 9. a small-sized secondary battery.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing 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 present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-3, the present invention provides a technical solution: a power distribution cabinet capable of being monitored in real time comprises a power distribution cabinet main body 1, a protective cover 2, a connecting device 3 and a camera 4, wherein the protective cover 2 covers the top of the power distribution cabinet main body 1, the protective cover 2 is of a hemispherical structure, and the top of the protective cover 2 is connected with the top of the power distribution cabinet main body 1 through a vertically arranged locking rod 6; camera 4 passes through connecting device 3 and switch board main part 1's interior wall connection, connecting device 3 is including installing inserting groove 31 on switch board main part 1 inner wall, and with inserting groove 31 about second sliding tray 36 and the protruding board 33 of both ends intercommunication, the inboard one end of second sliding tray 36 communicates with curved first sliding tray 35, inserting groove 31 is inserted to camera 4's one end, the both sides limit of camera 4 one end is connected with protruding board 33 perpendicularly, protruding board 33 slides to first sliding tray 35 along the second sliding tray 36 inside that corresponds in, protruding board 33 slides along the shape of first sliding tray 35, inserting groove 31 upper and lower extreme is provided with connecting hole 32, peg rod 34 passes connecting hole 32 and is connected with protruding board 33.
Further, the first sliding groove 35 is a quarter arc shape, the first sliding groove 35 is disposed around the periphery of the insertion groove 31, and the first sliding groove 35 is perpendicular to the second sliding groove 36.
Further, 2 inboard align to grid of protection casing have a plurality of strengthening ribs 5, and the shape phase-match of strengthening rib 5 and 2 inboards of protection casing, strengthening rib 5 along the central point at 2 tops of protection casing to the edge of protection casing 2 scatter the range, and the thickness of strengthening rib 5 increases along 2 central points of protection casing to the edge of protection casing 2 in proper order.
Furthermore, one end of the camera 4 inserted into the insertion groove 31 is provided with a second conducting block 8, the first conducting block 7 is installed inside the insertion groove 31, the first conducting block 7 is electrically connected with the second conducting block 8, and one end of the first conducting block 7 is electrically connected with the small storage battery 9 installed on the inner wall of the power distribution cabinet main body 1 through an electric wire.
Further, the length and width of the second sliding groove 36 match the corresponding length and width of the protruding plate 33.
Further, the distance between the first sliding groove 35 and the edge of the insertion groove 31 is matched with the length of the protruding plate 33, and the thickness of the first sliding groove 35 is the same as that of the protruding plate 33.
Further, the locking lever 6 is a T-shaped lever, the locking lever 6 penetrates through the center of the top of the protective cover 2, the locking lever 6 is in threaded connection with the protective cover 2, and the tail end of the locking lever 6 is in threaded connection with the center of the top of the power distribution cabinet main body 1.
Furthermore, one end of the second conductive block 8 is located at the outer side of the camera 4, and the side edge of the camera 4 is aligned with the inner side edge of the convex plate 33.
Further, the edge of the bottom of the protective cover 2 is positioned at the periphery of the top of the power distribution cabinet main body 1.
The working principle is as follows:
when the camera 4 is installed, the convex plates 33 on two sides of the camera 4 are inserted into the corresponding second sliding grooves 36, the camera 4 is inserted into the insertion groove 31, the camera 4 is pushed into the insertion groove 31 until the convex plates 33 slide to the inner side of the second sliding grooves 36, at the moment, the camera 4 is rotated anticlockwise, the convex plates 33 rotate along the inner part of the first sliding grooves 35, when the convex plates rotate to ninety degrees, the convex plates 33 are positioned at the upper end and the lower end of the insertion groove 31, the convex plates 33 and the first sliding grooves 35 are not in contact with one ends of the second sliding grooves 36, then the insertion rods 34 are inserted along the connecting holes 32 until the insertion rods 34 are inserted into the convex plates 33 and connected with the convex plates, the camera 4 can be fixed, the operation mode is simple, and people can install or maintain the camera.
When the protruding plate 33 is located inside the first sliding groove 35, the first conducting block 7 is in contact connection with the second conducting block 8, after connection, the small-sized storage battery 9 supplies power to the camera 4 through the first conducting block 7 and the second conducting block 8, and the small-sized storage battery 9, the first conducting block 7, the second conducting block 8 and the camera 4 belong to the mature technology in the field and are not described in detail herein.
Install protection casing 2 at 1 top of switch board main part, play certain guard action to switch board main part 1, at 2 inside a plurality of strengthening ribs 5 that are provided with of protection casing, improve the compressive strength of protection casing 2, prolong its life, the equal threaded connection of check lock lever 6 and protection casing 2 and switch board main part 1, the dismantlement and the change of the protection casing 2 of being convenient for.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a but real time monitoring's switch board which characterized in that: the power distribution cabinet comprises a power distribution cabinet main body (1), a protective cover (2), a connecting device (3) and a camera (4), wherein the protective cover (2) is covered on the top of the power distribution cabinet main body (1), the protective cover (2) is of a hemispherical structure, and the top of the protective cover (2) is connected with the top of the power distribution cabinet main body (1) through a vertically arranged locking rod (6); the camera (4) is connected with the inner wall of the power distribution cabinet main body (1) through the connecting device (3), the connecting device (3) comprises an inserting groove (31) arranged on the inner wall of the power distribution cabinet main body (1), a second sliding groove (36) communicated with the left end and the right end of the inserting groove (31) and a convex plate (33), one end of the inner side of the second sliding groove (36) is communicated with the arc-shaped first sliding groove (35), one end of the camera (4) is inserted into the inserting groove (31), two side edges at one end of the camera (4) are vertically connected with convex plates (33), the convex plates (33) slide to the first sliding groove (35) along the inner part of the corresponding second sliding groove (36), the convex plate (33) slides along the shape of the first sliding groove (35), the upper end and the lower end of the insertion groove (31) are provided with connecting holes (32), and the insertion rod (34) penetrates through the connecting holes (32) to be connected with the convex plate (33).
2. The power distribution cabinet capable of being monitored in real time according to claim 1, wherein: the first sliding groove (35) is in a quarter arc shape, the first sliding groove (35) is arranged around the periphery of the inserting groove (31), and the first sliding groove (35) is perpendicular to the second sliding groove (36).
3. The power distribution cabinet capable of being monitored in real time according to claim 1, wherein: protection casing (2) inboard align to grid has a plurality of strengthening ribs (5), and strengthening rib (5) and the inboard shape phase-match of protection casing (2), and strengthening rib (5) are dispersed along the central point at protection casing (2) top to the edge of protection casing (2) and are arranged, and the thickness of strengthening rib (5) increases along the edge of protection casing (2) central point to protection casing (2) in proper order.
4. The power distribution cabinet capable of being monitored in real time according to claim 1, wherein: one end of the camera (4) inserted into the inside of the insertion groove (31) is provided with a second conducting block (8), a first conducting block (7) is installed inside the insertion groove (31), the first conducting block (7) is electrically connected with the second conducting block (8), and one end of the first conducting block (7) is electrically connected with a small storage battery (9) installed on the inner wall of the power distribution cabinet main body (1) through an electric wire.
5. The power distribution cabinet capable of being monitored in real time according to claim 1, wherein: the length and width of the second sliding groove (36) are matched with the corresponding length and width of the convex plate (33).
6. The power distribution cabinet capable of being monitored in real time according to claim 1, wherein: the distance between the first sliding groove (35) and the edge of the inserting groove (31) is matched with the length of the protruding plate (33), and the thicknesses of the first sliding groove (35) and the protruding plate (33) are the same.
7. The power distribution cabinet capable of being monitored in real time according to claim 1, wherein: the locking rod (6) is a T-shaped rod, the locking rod (6) penetrates through the center of the top of the protective cover (2), the locking rod (6) is in threaded connection with the protective cover (2), and the tail end of the locking rod (6) is in threaded connection with the center of the top of the power distribution cabinet main body (1).
8. The power distribution cabinet capable of being monitored in real time according to claim 1, wherein: one end of the second conductive block (8) is positioned on the outer side of the camera (4), and the side edge of the camera (4) is aligned with the inner side edge of the convex plate (33).
9. The power distribution cabinet capable of being monitored in real time according to claim 1, wherein: the edge of the bottom of the protective cover (2) is positioned at the periphery of the top of the power distribution cabinet main body (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311128109.9A CN117220153A (en) | 2020-05-25 | 2020-05-25 | Power distribution cabinet capable of being monitored in real time |
| CN202010451874.4A CN111740324A (en) | 2020-05-25 | 2020-05-25 | But real time monitoring's switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010451874.4A CN111740324A (en) | 2020-05-25 | 2020-05-25 | But real time monitoring's switch board |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311128109.9A Division CN117220153A (en) | 2020-05-25 | 2020-05-25 | Power distribution cabinet capable of being monitored in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111740324A true CN111740324A (en) | 2020-10-02 |
Family
ID=72648183
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010451874.4A Pending CN111740324A (en) | 2020-05-25 | 2020-05-25 | But real time monitoring's switch board |
| CN202311128109.9A Pending CN117220153A (en) | 2020-05-25 | 2020-05-25 | Power distribution cabinet capable of being monitored in real time |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311128109.9A Pending CN117220153A (en) | 2020-05-25 | 2020-05-25 | Power distribution cabinet capable of being monitored in real time |
Country Status (1)
| Country | Link |
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| CN (2) | CN111740324A (en) |
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| CN2798261Y (en) * | 2005-05-13 | 2006-07-19 | 石家庄科环电器有限公司 | High voltage insulator flashover proofing apparatus |
| CN201038552Y (en) * | 2007-01-29 | 2008-03-19 | 黄国豪 | Guiding type lamp holder and lamp base cooperation structure of spot type reflector lamp |
| CN104076469A (en) * | 2014-07-01 | 2014-10-01 | 宁波天韵通信设备有限公司 | Novel sun-prevention commuting case |
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| CN207064795U (en) * | 2017-08-25 | 2018-03-02 | 中石化川气东送天然气管道有限公司 | Ball valve gear-box rain cover |
| CN108566755A (en) * | 2018-04-28 | 2018-09-21 | 郑州易通众联电子科技有限公司 | A kind of communication box of waterproof |
| CN208590042U (en) * | 2018-09-21 | 2019-03-08 | 吴文斌 | A kind of CCD camera of cranial nerve cell Calcium imaging |
| CN208634699U (en) * | 2018-08-08 | 2019-03-22 | 深圳市博威创新技术有限公司 | A kind of packaged type intelligent network camera |
| CN209055576U (en) * | 2018-11-13 | 2019-07-02 | 河南锐盛电力科技有限公司 | A kind of Phase of Electric Power Projects three-phase power meter box |
| CN210016756U (en) * | 2019-05-20 | 2020-02-04 | 苏州市易路交通科技有限公司 | Box body for traffic controller |
| CN210092675U (en) * | 2019-07-04 | 2020-02-18 | 安徽蓝润自动化仪表有限公司 | Outdoor high-low voltage control cabinet with shock-absorbing function |
| CN210319811U (en) * | 2019-07-22 | 2020-04-14 | 青岛四机工业有限公司 | Novel head lamp holder for rail vehicle |
-
2020
- 2020-05-25 CN CN202010451874.4A patent/CN111740324A/en active Pending
- 2020-05-25 CN CN202311128109.9A patent/CN117220153A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2654455A1 (en) * | 1989-11-15 | 1991-05-17 | Frouin Daniel | WATER AND ELECTRICITY DISTRIBUTION STATION. |
| CN2798261Y (en) * | 2005-05-13 | 2006-07-19 | 石家庄科环电器有限公司 | High voltage insulator flashover proofing apparatus |
| CN201038552Y (en) * | 2007-01-29 | 2008-03-19 | 黄国豪 | Guiding type lamp holder and lamp base cooperation structure of spot type reflector lamp |
| CN104076469A (en) * | 2014-07-01 | 2014-10-01 | 宁波天韵通信设备有限公司 | Novel sun-prevention commuting case |
| CN204011914U (en) * | 2014-07-16 | 2014-12-10 | 浙江捷诺电器有限公司 | The wall socket housing of convenient disassembly |
| CN204089982U (en) * | 2014-10-16 | 2015-01-07 | 宁波通视电子科技有限公司 | Fast assembling-disassembling camera |
| CN104917017A (en) * | 2015-06-03 | 2015-09-16 | 上海应用技术学院 | Rotary type single-contact bayonet lamp holder |
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| CN207009938U (en) * | 2017-05-20 | 2018-02-13 | 江苏迈科道环境科技有限公司 | A kind of Novel control cabinet |
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| CN208590042U (en) * | 2018-09-21 | 2019-03-08 | 吴文斌 | A kind of CCD camera of cranial nerve cell Calcium imaging |
| CN209055576U (en) * | 2018-11-13 | 2019-07-02 | 河南锐盛电力科技有限公司 | A kind of Phase of Electric Power Projects three-phase power meter box |
| CN210016756U (en) * | 2019-05-20 | 2020-02-04 | 苏州市易路交通科技有限公司 | Box body for traffic controller |
| CN210092675U (en) * | 2019-07-04 | 2020-02-18 | 安徽蓝润自动化仪表有限公司 | Outdoor high-low voltage control cabinet with shock-absorbing function |
| CN210319811U (en) * | 2019-07-22 | 2020-04-14 | 青岛四机工业有限公司 | Novel head lamp holder for rail vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117220153A (en) | 2023-12-12 |
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Application publication date: 20201002 |