CN112086914A - Electrical engineering cable protection device - Google Patents
Electrical engineering cable protection device Download PDFInfo
- Publication number
- CN112086914A CN112086914A CN202010804133.XA CN202010804133A CN112086914A CN 112086914 A CN112086914 A CN 112086914A CN 202010804133 A CN202010804133 A CN 202010804133A CN 112086914 A CN112086914 A CN 112086914A
- Authority
- CN
- China
- Prior art keywords
- protective shell
- cable
- distributed
- cables
- arc
- 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
- 238000004870 electrical engineering Methods 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 100
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 18
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
- H02G3/045—Channels provided with perforations or slots permitting introduction or exit of wires
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses an electrical engineering cable protection device, which comprises a protective shell, wherein supporting legs are arranged on two sides of the bottom of the protective shell, the protective shell is of a frame structure with an opening at the top end, and the inner cavity of the protective shell is provided with fixing plates which are distributed at equal intervals, the upper surface of each fixing plate is provided with at least three limiting grooves, the two ends of the protective shell are respectively provided with a U-shaped groove which is distributed corresponding to the limiting groove, the left side wall and the right side wall of the protective shell are respectively provided with a vent, the invention divides the cables through the plurality of limiting grooves arranged on the fixed plate, thereby preventing the cables from being mutually wound and contacted, avoiding the influence on the heat dissipation of the cables caused by the extrusion of a plurality of cables, and then prevent that the cable from producing great heat, avoid the scaling loss of cable, make the cable range neat orderly simultaneously to be favorable to the maintenance in later stage to overhaul.
Description
Technical Field
The invention relates to the technical field of electrical engineering, in particular to an electrical engineering cable protection device.
Background
At present, along with the more and more general and mature of electrification engineering technology, great convenience is brought to people's life, and the cable can appear certainly in electrical engineering, and these cables are often and disorderly, because the device that does not have external protection can accelerate the damage time of cable when using, the installation of cable is also too troublesome, and the cable circular telegram can produce the vibration, and the damage of cable can be accelerated in the vibration. Most of the existing electrical engineering cable devices only mount and simply protect cables.
Current electrical engineering cable protection device in the existing market adopts cylindrical sleeve to protect the cable, and direct contact between the cable leads to the cable to produce great heat, leads to the scaling loss of cable easily, brings adverse effect.
Disclosure of Invention
The present invention provides a cable protection device for electrical engineering to solve the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an electrical engineering cable protection device comprises a protective shell, wherein supporting legs are arranged on two sides of the bottom of the protective shell, the protective shell is of a frame structure with an opening at the top end, fixing plates are arranged in an inner cavity of the protective shell and are distributed at equal intervals, at least three limiting grooves are formed in the upper surface of each fixing plate, U-shaped grooves which are distributed corresponding to the limiting grooves are formed in two ends of the protective shell, ventilation openings are formed in the left side wall and the right side wall of the protective shell, a protective cover is fixedly connected to the upper surface of the protective shell, pressing plates which are distributed in a one-to-one correspondence manner with the fixing plates are arranged at the bottom of the protective cover, second arc-shaped grooves which are distributed in a one-to-one correspondence manner with the limiting grooves are formed in the bottom of each pressing plate, arc-shaped plates are connected to the inner walls of the second arc-shaped grooves, the size of the insertion block is matched with that of the U-shaped groove, the heat dissipation holes are uniformly distributed on the upper surface of the protective cover, when the cable protective cover is used, cables are correspondingly clamped in the limiting grooves, the cables are separated through the limiting grooves formed in the fixed plate, so that the cables cannot be wound and contacted with each other, the situation that the heat dissipation of the cables is influenced due to the fact that a plurality of cables are extruded together is avoided, the cables are prevented from generating large heat, the burning loss of the cables is avoided, the cables are arranged orderly, later-stage maintenance and repair are facilitated, two ends of the cables penetrate through the U-shaped groove, the protective cover is covered on the protective shell and fixed, the pressing plate covers the upper surface of the fixed plate, the arc-shaped plate is contacted with the cables, the cables are pressed and fixed, and the phenomenon that the cables shake occurs in the operation process is effectively prevented, simultaneously, under the effect of elastic rubber pad, reduce the vibrations that produce when the cable moves to the effect of protection has been played the cable, through the vent that the protective housing both sides set up, make the protective housing inner chamber produce the convection current air, thereby be favorable to the inside ventilation cooling of protective housing, simultaneously, because steam is ascending, the heat that the cable produced then can be via the louvre fast effluvium, thereby has played fine radiating effect to the cable, thereby be favorable to the operation of cable, improved the security simultaneously.
As a further scheme of the invention patent: one side that protective housing bottom inner wall is located the fixed plate all is provided with the guiding gutter, the bottom inner wall of guiding gutter is by both sides to middle slope setting, and the bottommost position is provided with leads the mouth of a river, through the cooperation between guiding gutter and the guiding gutter, make in the protective housing long-pending rainwater of staying owing to raining, the protective housing flows out fast from the guiding gutter via the inclined plane of guiding gutter, thereby can not make long-pending rainwater of staying in the protective housing and make the cable soak in the rainwater, further play the guard action to the cable, simultaneously under the effect of early vent, be favorable to the inside quick air-dry of protective housing.
As a still further scheme of the invention patent: the bottom in U type groove sets up to semi-circular structure, just the bottom of inserted block is provided with first arc wall, first arc wall constitutes the circular port with U type groove, through the circular port that first arc wall and U type groove constitute, is favorable to the cable to wear out the protective housing.
As a still further scheme of the invention patent: the protective housing upper surface both sides all are provided with the draw-in groove, the bottom both sides of visor correspond with the draw-in groove and are provided with the card limit, the size of card limit is identical with the size of draw-in groove, through the cooperation between card limit and the draw-in groove, are favorable to the butt joint between visor and the protective housing.
As a still further scheme of the invention patent: the four corners department of protective housing and visor all is provided with fixed ear, just through screw fixed connection between protective housing and the visor, through the fixed ear that sets up, be favorable to the fixed between protective housing and the visor.
As a still further scheme of the invention patent: the limiting groove is of a semicircular structure, a circular hole is formed between the limiting groove and the second arc-shaped groove, and the circular hole is formed between the limiting groove and the second arc-shaped groove, so that the limiting groove is beneficial to limiting and fixing the cable.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention divides the cables through a plurality of limiting grooves arranged on the fixing plate, thereby preventing the cables from being mutually wound and contacted, avoiding the influence on the heat dissipation of the cables caused by the extrusion of a plurality of cables, thereby preventing the cable from generating larger heat, avoiding the burning loss of the cable, simultaneously enabling the cable to be arranged orderly, being beneficial to the later maintenance and repair, leading out the two ends of the cable through the U-shaped groove, then the protective cover is covered on the protective shell and fixed, at the moment, the pressing plate is covered on the upper surface of the fixed plate, thereby the arc-shaped plate is contacted with the cable, the cable is pressed and fixed, the phenomenon that the cable shakes in the running process is effectively prevented, and meanwhile, under the action of the elastic rubber pad, the vibration generated during the operation of the cable is reduced, so that the cable is protected.
2. Through the vent that the protective housing both sides set up for the protective housing inner chamber produces the convection current air, thereby is favorable to the inside ventilation cooling of protective housing, simultaneously, because steam is ascending, the heat that the cable produced then can be via the louvre fast effluvium, thereby has played fine radiating effect to the cable, thereby is favorable to the operation of cable, has improved the security simultaneously.
3. Through the cooperation between guiding gutter and the water guide mouth for long-pending rainwater of staying because raining in the protective housing flows out the protective housing fast from the water guide mouth via the inclined plane of guiding gutter, thereby can not make long-pending rainwater of staying in the protective housing and make the cable soak in the rainwater, has further played the guard action to the cable, and under the effect of early vent simultaneously, be favorable to the inside quick air-dry of protective housing.
Drawings
Fig. 1 is a schematic structural diagram of an electrical engineering cable protection device.
Fig. 2 is a schematic structural diagram of a protective shell in an electrical engineering cable protection device.
Fig. 3 is a schematic structural diagram of a protective cover in an electrical engineering cable protection device.
Fig. 4 is a front view of an electrical engineering cable protection device.
In the figure: 1. a protective shell; 2. supporting legs; 3. a protective cover; 4. a vent; 5. heat dissipation holes; 6. a U-shaped groove; 7. inserting a block; 8. a fixing plate; 9. a limiting groove; 10. a card slot; 11. a water chute; 12. a water guide port; 13. pressing a plate; 14. an arc-shaped plate; 15. a first arc-shaped slot; 17. edge clamping; 18. a second arc-shaped groove.
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, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.
Referring to fig. 1 to 4, in the embodiment of the present invention, an electrical engineering cable protection device includes a protective casing 1, two sides of the bottom of the protective casing 1 are provided with support legs 2, the protective casing 1 is a frame structure with an open top end, an inner cavity of the protective casing 1 is provided with fixing plates 8 distributed at equal intervals, the upper surface of the fixing plate 8 is provided with at least three limiting grooves 9, two ends of the protective casing 1 are provided with U-shaped grooves 6 distributed corresponding to the limiting grooves 9, two sides of the left and right sides of the protective casing 1 are provided with vent holes 4, the upper surface of the protective casing 1 is fixedly connected with a protective cover 3, the bottom of the protective cover 3 is provided with pressing plates 13 distributed corresponding to the fixing plates 8 one by one, the bottom of the pressing plates 13 is provided with second arc-shaped grooves 18 distributed corresponding to the limiting grooves 9 one by one, inner walls of the second, the elastic rubber pads are distributed on the inner wall of the second arc-shaped groove 18 in a circumferential array mode, the two ends of the bottom of the protective cover 3 are provided with inserting blocks 7 which are distributed in a one-to-one correspondence mode with the U-shaped grooves 6, the size of each inserting block 7 is matched with that of each U-shaped groove 6, and the upper surface of the protective cover 3 is provided with heat dissipation holes 5 which are uniformly distributed.
When in use, the cables are clamped in the limiting grooves 9 correspondingly, the limiting grooves 9 arranged on the fixing plate 8 are used for separating the cables, so that the cables are not mutually wound and contacted, the situation that the heat dissipation of the cables is influenced by the extrusion of multiple cables is avoided, the cables are prevented from generating larger heat, the burning loss of the cables is avoided, meanwhile, the cables are arranged orderly, the later maintenance and overhaul are facilitated, two ends of the cables penetrate out through the U-shaped grooves 6, then the protective covers 3 are covered on the protective shells 1 and fixed, at the moment, the pressing plate 13 is covered on the upper surface of the fixing plate 8, so that the arc-shaped plates 14 are contacted with the cables, the cables are pressed and fixed, the phenomenon that the cables shake in the operation process is effectively prevented, and meanwhile, the shake generated in the operation of the cables is reduced under the action of the elastic rubber pads, thereby having played the effect of protection to the cable, through vent 4 that protective housing 1 both sides set up for 1 inner chamber of protective housing produces the convection current air, thereby is favorable to the ventilation cooling of 1 inside of protective housing, simultaneously, because steam is ascending, the heat that the cable produced then can be via louvre 5 quick effluvium, thereby has played fine radiating effect to the cable, thereby is favorable to the operation of cable, has improved the security simultaneously.
The inner wall of the bottom of the protective shell 1 is provided with water guide grooves 11 on one side of the fixed plate 8, the inner wall of the bottom of the water guide grooves 11 is obliquely arranged from two sides to the middle, and the bottommost position of the inner wall is provided with a water guide opening 12.
Through the cooperation between guiding gutter 11 and the water guide mouth 12 for long-pending rainwater of staying because raining in the protective housing 1, the inclined plane via guiding gutter 11 flows out protective housing 1 fast from guiding mouth 12, thereby can not make long-pending rainwater of staying in protective housing 1 and make the cable soak in the rainwater, has further played the guard action to the cable, and under the effect of early vent 4 simultaneously, be favorable to the inside quick air-dry of protective housing 1.
The bottom of U type groove 6 sets up to semi-circular structure, just the bottom of inserted block 7 is provided with first arc wall 15, first arc wall 15 constitutes the circular port with U type groove 6.
Through the circular port that first arc wall 15 and U type groove 6 constitute, be favorable to the cable to wear out protective housing 1.
The protective housing 1 upper surface both sides all are provided with draw-in groove 10, the bottom both sides of visor 3 correspond with draw-in groove 10 and are provided with card limit 17, the size of card limit 17 is identical with the size of draw-in groove 10.
Through the cooperation between card limit 17 and draw-in groove 10, be favorable to the butt joint between visor 3 and the protective housing 1.
The four corners department of protective housing 1 and visor 3 all is provided with fixed ear, just pass through screw fixed connection between protective housing 1 and the visor 3.
Through the fixed ear that sets up, be favorable to fixed between protective housing 1 and visor 3.
The limiting groove 9 is of a semicircular structure, and a circular hole is formed between the limiting groove 9 and the second arc-shaped groove 18.
Constitute the circular port through with between spacing groove 9 and the second arc wall 18, be favorable to carrying on spacing fixedly to the cable.
The working principle of the invention patent is as follows:
when in use, the cables are clamped in the limiting grooves 9 correspondingly, the limiting grooves 9 arranged on the fixing plate 8 are used for separating the cables, so that the cables are not mutually wound and contacted, the situation that the heat dissipation of the cables is influenced by the extrusion of multiple cables is avoided, the cables are prevented from generating larger heat, the burning loss of the cables is avoided, meanwhile, the cables are arranged orderly, the later maintenance and overhaul are facilitated, two ends of the cables penetrate out through the U-shaped grooves 6, then the protective covers 3 are covered on the protective shells 1 and fixed, at the moment, the pressing plate 13 is covered on the upper surface of the fixing plate 8, so that the arc-shaped plates 14 are contacted with the cables, the cables are pressed and fixed, the phenomenon that the cables shake in the operation process is effectively prevented, and meanwhile, the shake generated in the operation of the cables is reduced under the action of the elastic rubber pads, thereby protecting the cable, generating convection air in the inner cavity of the protective shell 1 through the ventilation openings 4 arranged at the two sides of the protective shell 1, facilitating the ventilation and heat dissipation in the protective shell 1, and simultaneously, because the hot air rises, the heat generated by the cable can be quickly dissipated through the heat dissipation holes 5, thereby having good heat dissipation effect on the cable, thereby being beneficial to the operation of the cable and improving the safety, the rainwater accumulated in the protective shell 1 due to rain can be prevented through the matching between the water chute 11 and the water guide port 12, the water rapidly flows out of the protective shell 1 from the water guide opening 12 through the inclined surface of the water chute 11, so that rainwater cannot be accumulated in the protective shell 1 and the cable cannot be soaked in the rainwater, further played the guard action to the cable, simultaneously under the effect of early vent 4, be favorable to the inside quick air-dry of protective housing 1.
The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention, the technical solutions and the inventive concepts of the present invention, which are equivalent to or changed by the technical solutions and the inventive concepts of the present invention, within the technical scope of the present invention.
Claims (6)
1. The electric engineering cable protection device comprises a protective shell (1) and is characterized in that supporting legs (2) are arranged on two sides of the bottom of the protective shell (1), the protective shell (1) is of a frame structure with an opening at the top end, fixing plates (8) are arranged in the inner cavity of the protective shell (1) and distributed at equal intervals, at least three limiting grooves (9) are formed in the upper surface of each fixing plate (8), U-shaped grooves (6) distributed corresponding to the limiting grooves (9) are formed in two ends of the protective shell (1), ventilation openings (4) are formed in two side walls of the left side wall and the right side wall of the protective shell (1), a protective cover (3) is fixedly connected to the upper surface of the protective shell (1), pressing plates (13) distributed in one-to-one correspondence with the fixing plates (8) are arranged at the bottom of the protective cover (3), second arc-shaped grooves (18) distributed in one-, the inner wall of the second arc-shaped groove (18) is connected with an arc-shaped plate (14) through an elastic rubber pad, the elastic rubber pad is distributed in a circumferential array mode and is distributed on the inner wall of the second arc-shaped groove (18), the two ends of the bottom of the protective cover (3) are provided with inserting blocks (7) distributed in a U-shaped groove (6) in a one-to-one mode, the size of each inserting block (7) is identical to that of the U-shaped groove (6), and heat dissipation holes (5) are evenly distributed in the upper surface of the protective cover (3).
2. The electrical engineering cable protection device according to claim 1, wherein the inner bottom wall of the protective shell (1) is provided with water chutes (11) on one side of the fixing plate (8), the inner bottom wall of the water chutes (11) is inclined from two sides to the middle, and the bottom is provided with water guide ports (12).
3. The electrical engineering cable protection device according to claim 1, wherein the bottom of the U-shaped groove (6) is configured as a semicircular structure, and the bottom of the insertion block (7) is provided with a first arc-shaped groove (15), and the first arc-shaped groove (15) and the U-shaped groove (6) form a circular hole.
4. The electrical engineering cable protection device according to claim 1, wherein clamping grooves (10) are formed in two sides of the upper surface of the protective shell (1), clamping edges (17) are formed in two sides of the bottom of the protective cover (3) and correspond to the clamping grooves (10), and the size of each clamping edge (17) is matched with that of each clamping groove (10).
5. The electrical engineering cable protection device according to claim 1, wherein fixing lugs are arranged at four corners of the protective shell (1) and the protective cover (3), and the protective shell (1) and the protective cover (3) are fixedly connected through screws.
6. An electrical engineering cable protection device according to claim 1, wherein the limiting groove (9) is of a semicircular structure, and a circular hole is formed between the limiting groove (9) and the second arc-shaped groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010804133.XA CN112086914A (en) | 2020-08-12 | 2020-08-12 | Electrical engineering cable protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010804133.XA CN112086914A (en) | 2020-08-12 | 2020-08-12 | Electrical engineering cable protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112086914A true CN112086914A (en) | 2020-12-15 |
Family
ID=73735498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010804133.XA Pending CN112086914A (en) | 2020-08-12 | 2020-08-12 | Electrical engineering cable protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112086914A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212623A (en) * | 2022-01-18 | 2022-03-22 | 华能青海发电有限公司新能源分公司 | Electrical engineering accomodates protective apparatus with naked electric wire |
| CN114825204A (en) * | 2022-04-11 | 2022-07-29 | 湖北理工学院 | New construction electrical engineering cable protection device |
-
2020
- 2020-08-12 CN CN202010804133.XA patent/CN112086914A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212623A (en) * | 2022-01-18 | 2022-03-22 | 华能青海发电有限公司新能源分公司 | Electrical engineering accomodates protective apparatus with naked electric wire |
| CN114825204A (en) * | 2022-04-11 | 2022-07-29 | 湖北理工学院 | New construction electrical engineering cable protection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112086914A (en) | Electrical engineering cable protection device | |
| CN211456558U (en) | Electrical engineering cable protection device | |
| CN111490466A (en) | Electrical equipment with protection function | |
| CN115087276A (en) | Intelligent equipment interface part protection device and use method thereof | |
| CN212935398U (en) | Electrical engineering cable protection device | |
| CN115833333B (en) | Portable outdoor energy storage power supply and waterproof method | |
| CN216531371U (en) | Improved generation heat dissipation switch that prevents dust | |
| CN213755404U (en) | Protection device for computer network safety control equipment | |
| CN213243848U (en) | Alternating current variable frequency speed regulation system | |
| CN210091076U (en) | Computer network integration interface | |
| CN213905960U (en) | High-efficient radiating comprehensive block terminal | |
| CN213214225U (en) | Electronic engineering is with good heat dissipation's multi-functional communication box | |
| CN217406562U (en) | Silk screen printing plastic router shell spare | |
| CN219286589U (en) | Power battery protective cover | |
| CN218300627U (en) | Suspension type switch board | |
| CN210721344U (en) | Novel computer dustproof device | |
| CN214669742U (en) | Communication three-network-in-one optical cross-connecting box | |
| CN213521503U (en) | Motor heat dissipation protector that water conservancy water and electricity was used | |
| CN218276285U (en) | High-efficient heat dissipation type motor | |
| CN213043815U (en) | Regulator for sound effect and audio processing | |
| CN211152599U (en) | PCM access equipment | |
| CN221427588U (en) | Switch panel bottom box | |
| CN215498176U (en) | Air type bus duct jack box mounting structure | |
| CN212649038U (en) | High-protection bus duct | |
| CN218549260U (en) | Novel power distribution cabinet for power distribution system of factory building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201215 |