CN114899779A - High-strength air intensive enclosed bus duct - Google Patents
High-strength air intensive enclosed bus duct Download PDFInfo
- Publication number
- CN114899779A CN114899779A CN202210397265.4A CN202210397265A CN114899779A CN 114899779 A CN114899779 A CN 114899779A CN 202210397265 A CN202210397265 A CN 202210397265A CN 114899779 A CN114899779 A CN 114899779A
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- CN
- China
- Prior art keywords
- shell
- fixed
- bus duct
- heat
- air
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 238000000605 extraction Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction 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
- H02G5/00—Installations of bus-bars
- H02G5/10—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
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a high-strength air-intensive enclosed bus duct which comprises a shell, wherein a conductive bar is arranged in the shell, a fastener is connected to the surface of the conductive bar, glue injection sealing pieces are arranged between the two ends of the conductive bar and the shell, a heat exhaust opening and an air inlet are respectively formed in the two symmetrical sides of the shell, a heat exhaust mechanism is arranged at the heat exhaust opening, and sealing mechanisms are arranged on the inner surfaces of the heat exhaust opening and the air inlet. The heat extraction mechanism can automatically open the heat extraction port and the air inlet when the element is electrified for heat dissipation so as to discharge hot air accumulated in the shell, the heat extraction mechanism can automatically intake air through the air inlet after discharging hot air in the shell, and cold air precooled and dehumidified by the cooling mechanism can be directly contacted with the conductive bar, so that the heat exchange efficiency is improved, and meanwhile, the heat extraction port and the air inlet are automatically closed when high-strength heat dissipation is not needed so as to carry out normal sealing protection and improve the use safety of the bus duct.
Description
Technical Field
The invention relates to the technical field of bus ducts, in particular to a high-strength air-intensive enclosed bus duct.
Background
The bus duct is a closed metal device formed from copper and aluminium bus posts, and is used for distributing large power for every element of dispersion system. Wire and cable have been increasingly replaced in indoor low voltage power transmission mains engineering projects. The intensive closed bus duct is one of bus ducts, and due to the closed structure of the bus duct, the overall temperature rise of the bus duct is high due to the intensive placement of bus conductors, the resistance of the bus is easily influenced by high temperature, and the too fast aging of the bus duct is easily caused; when the conventional bus duct is used, heat dissipation is only carried out through the aluminum substrate, the heat dissipation effect is not good enough, and the effect of rapid heat dissipation cannot be achieved when the load of the bus duct is increased and the temperature is sharply increased.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-strength air-intensive enclosed bus duct, which solves the problems that the existing intensive enclosed bus duct only radiates heat through an aluminum substrate when in use, the radiating effect is not good enough, and the quick radiating effect cannot be achieved when the load of the bus duct is increased and the temperature is sharply increased.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a intensive enclosed bus groove of high-strength air, includes the shell, the internally mounted of shell has electrically conductive row, electrically conductive row's surface is connected with the fastener, and all has the injecting glue sealing member between electrically conductive row's both ends and the shell, heat extraction mouth and air inlet have been seted up respectively to the symmetry both sides of shell, heat extraction mouth department is provided with heat extraction mechanism, sealing mechanism is all installed to the internal surface of heat extraction mouth and air inlet, sealing mechanism department is connected with drive closing mechanism, and the air inlet on the shell bisymmetry lateral wall is connected with U type pipe jointly, the blow vent has been seted up to the bottom of U type pipe, the inside of U type pipe is provided with cooling mechanism.
Preferably, the heat exhausting mechanism comprises a mounting frame installed at the heat exhausting opening, and a heat exhausting fan is installed inside the mounting frame.
Preferably, sealing mechanism is including fixing the fixed frame on the shell inner wall, the inside sliding connection of fixed frame has the pull board, the one end of pull board extends to the outside of fixed frame and fixedly connected with fixed plate.
Preferably, drive closing mechanism is including fixing the first magnet piece on the fixed plate, the both sides of first magnet piece are provided with the guide arm respectively, one side of first magnet piece is provided with the second magnet piece, the second magnet piece is fixed with the inner wall of shell, the one end and the fixed plate of guide arm are fixed, and the other end and the second magnet piece of guide arm run through sliding connection, the surface cover of guide arm is equipped with the spring, the both ends of spring are fixed with the lateral wall of fixed plate, second magnet piece respectively.
Preferably, drive closing mechanism is including fixing the fixed block on the pull board surface, the one end of fixed block is provided with magnetic telescopic rod, magnetic telescopic rod's flexible end is fixed with the fixed block, and magnetic telescopic rod keeps away from the one end fixedly connected with mount pad of flexible end, the mount pad is fixed with the inner wall of shell.
Preferably, the cooling mechanism comprises a semiconductor refrigeration piece fixedly embedded on the lower surface of the U-shaped guide pipe, a radiating fin is fixed at the hot end of the semiconductor refrigeration piece, a cold guide piece is fixed at the cold end of the semiconductor refrigeration piece, and the cold guide piece is located inside the U-shaped guide pipe.
Preferably, a filter screen plate is arranged at the air vent.
Preferably, the air inlet is provided with a moisture absorption plate, and the surface of the moisture absorption plate is provided with a plurality of moisture absorption air holes.
Preferably, a temperature sensor is arranged inside the shell, and a control switch is arranged outside the shell.
(III) advantageous effects
The invention provides a high-strength air-intensive enclosed bus duct. The method has the following beneficial effects:
according to the invention, through the arrangement of the heat extraction mechanism, the sealing mechanism, the opening and closing mechanism and the cooling mechanism, the heat extraction port and the air inlet can be automatically opened when the element is electrified for heat dissipation, so that hot air accumulated in the shell can be discharged through the heat extraction mechanism, hot air in the shell can be automatically fed through the air inlet after being discharged by the heat extraction mechanism, cold air precooled and dehumidified by the cooling mechanism can be directly contacted with the conductive bar, the heat exchange efficiency is improved, meanwhile, the heat extraction port and the air inlet are automatically closed when high-strength heat dissipation is not needed, so that normal sealing protection is conveniently carried out, and the use safety of the bus duct is improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a main sectional view of a first embodiment of the present invention;
FIG. 3 is an enlarged view of A in the first embodiment of the present invention;
FIG. 4 is a side cross-sectional view of the present invention;
FIG. 5 is a cross-sectional view of the second embodiment of the present invention.
Wherein, 1, a shell; 2. a conductive bar; 3. a fastener; 4. injecting glue to seal the piece; 5. a heat exhaust port; 6. an air inlet; 7. a heat removal mechanism; 701. a mounting frame; 702. a heat exhausting fan; 8. a U-shaped conduit; 9. a cooling mechanism; 901. a semiconductor refrigeration sheet; 902. a cold conducting sheet; 903. a heat sink; 10. driving the opening and closing mechanism; 1001. a first electromagnet block; 1002. a guide bar; 1003. a spring; 1004. a second electromagnet block; 1011. a fixed block; 1012. a magnetic telescopic rod; 1013. a mounting seat; 11. a temperature sensor; 12. a control switch; 13. a moisture absorption plate; 14. a vent; 15. a filter screen plate; 16. a sealing mechanism; 161. a fixing frame; 162. a drawing plate; 163. and (7) fixing the plate.
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.
The first embodiment is as follows:
as shown in fig. 1-2, an embodiment of the present invention provides a high-strength air-intensive enclosed bus duct, which includes a housing 1, a conductive bar 2 installed inside the housing 1, a fastening member 3 connected to a surface of the conductive bar 2, and all there is injecting glue sealing member 4 between electrically conductive both ends of arranging 2 and the shell 1, heat extraction mouth 5 and air inlet 6 have been seted up respectively to the symmetry both sides of shell 1, heat extraction mouth 5 department is provided with heat extraction mechanism 7, sealing mechanism 16 is all installed to the internal surface of heat extraction mouth 5 and air inlet 6, sealing mechanism 16 department is connected with drive closing mechanism 10, air inlet 6 on the 1 bisymmetry lateral wall of shell is connected with U type pipe 8 jointly, vent 14 has been seted up to the bottom of U type pipe 8, the inside of U type pipe 8 is provided with cooling mechanism 9, the inside of shell 1 is provided with temperature sensor 11, the externally mounted of shell 1 has control switch 12.
As shown in fig. 2, heat exhausting mechanism 7 includes a mounting frame 701 installed at heat exhausting opening 5, a heat exhausting fan 702 is installed inside mounting frame 701, sealing mechanism 16 includes a fixed frame 161 fixed on the inner wall of housing 1, the inside sliding connection of fixed frame 161 has a pull plate 162, one end of pull plate 162 extends to the outside of fixed frame 161 and fixedly connected with fixing plate 163, heat exhausting mechanism 7 can be opened at heat exhausting opening 5, one side is made to generate negative pressure to exhaust the heat inside housing 1 through rotation, sealing mechanism 16 set up simultaneously has the effect of sealing heat exhausting opening 5 and air inlet 6, make the whole bus duct be in a sealed state when high-intensity heat dissipation is not needed.
As shown in fig. 3, the driving opening and closing mechanism 10 includes a first electromagnet block 1001 fixed to the fixing plate 163, guide rods 1002 are respectively provided at both sides of the first electromagnet block 1001, a second electromagnet block 1004 is provided at one side of the first electromagnet block 1001, the second electromagnet block 1004 is fixed to the inner wall of the case 1, one end of the guide rod 1002 is fixed to the fixing plate 163, and the other end and the second magnet piece 1004 of guide arm 1002 run through sliding connection, the surface cover of guide arm 1002 is equipped with spring 1003, the both ends of spring 1003 respectively with fixed plate 163, the lateral wall of second magnet piece 1004 is fixed, guide arm 1002 plays the effect of direction, can be under the adsorption of first magnet piece 1001 and second magnet piece 1004, drive the steady removal of pull board 162 and open heat extraction mouth 5 and air inlet 6 to one side, only need the circular telegram to open promptly fast, do not need other control operation, simple structure convenient to use.
As shown in fig. 4, the cooling mechanism 9 includes a semiconductor chilling plate 901 fixedly embedded on the lower surface of the U-shaped duct 8, a heat sink 903 is fixed on the hot end of the semiconductor chilling plate 901, a cold guide plate 902 is fixed on the cold end of the semiconductor chilling plate 901, the cold guide plate 902 is located inside the U-shaped duct 8, the U-shaped duct 8 can increase the channel of air intake to pre-cool the air better, be provided with simultaneously and lead cold fin 902 and set up for L shape, cooperation U type pipe 8 can make the air pass between the cold fin 902, better cools off the air, vent 14 department is provided with filter plate 15, filter plate 15 can block the entering of dust, 6 departments of air inlet install moisture absorption plate 13, a plurality of moisture absorption bleeder vents have been seted up on moisture absorption plate 13's surface, the inside moisture of cold air can be seen through moisture absorption plate 13 and adsorbed, it carries out the inside heat transfer that carries out the bus duct to leave dry cold air.
The working principle is as follows: during the use, when the temperature in the bus duct rapidly rises when the load of the bus duct becomes high temperature, and the temperature sensor 11 detects that the temperature reaches a preset high temperature value, the first electromagnet block 1001, the second electromagnet block 1004, the heat exhausting fan 702 and the semiconductor refrigerating sheet 901 are electrified when the control switch 12 is controlled, the first electromagnet block 1001 and the second electromagnet block 1004 attract and drive the drawing plate 162 to move to one side when the electricity is electrified, the heat exhausting opening 5 and the air inlet 6 are opened, meanwhile, the heat of the inside of the shell 1 is extracted by the heat of the heat exhausting fan 702, after the heat is extracted for a period of time, the semiconductor refrigerating sheet 901 gradually plays a role, the inside of the U-shaped pipeline 8 is cooled, so that the air entering the inside of the U-shaped pipeline 8 from the air vent 14 becomes cold, and enters the inside of the shell 1 to realize heat exchange after being dehumidified by the moisture absorption plate 13, and the heat dissipation speed is accelerated.
Example two:
as shown in fig. 5, a high-strength air-intensive enclosed bus duct has a structure substantially the same as that of the first embodiment, and the difference is that the driving opening and closing mechanism 10 is disposed, in this embodiment, the driving opening and closing mechanism 10 includes a fixing block 1011 fixed on the surface of the pull-out plate 162, a magnetic telescopic rod 1012 is disposed at one end of the fixing block 1011, a telescopic end of the magnetic telescopic rod 1012 is fixed to the fixing block 1011, and an installation seat 1013 is fixedly connected to one end of the magnetic telescopic rod 1012, which is far away from the telescopic end, the installation seat 1013 is fixed to the inner wall of the housing 1, when the magnetic telescopic rod 1012 is powered on, the magnetic telescopic rod 1012 retracts, and drives the pull-out plate 162 to move through the fixing block 1011, and the pull-out plate 162 is pulled to one side to open the heat exhaust port 5 and the air inlet 6.
In summary, when heat dissipation is needed, the heat discharging mechanism 7, the cooling mechanism 9 and the driving opening and closing mechanism 10 are electrified to dissipate heat, the heat discharging port 5 and the air inlet 6 are automatically opened, so that hot air gathered in the shell 1 is discharged through the heat discharging mechanism 7, hot air in the shell 1 is discharged through the heat discharging mechanism 7 and then automatically enters air through the air inlet 6, cold air precooled and dehumidified by the cooling mechanism 9 can directly contact with the conductive bar 2, heat exchange efficiency is improved, meanwhile, the heat discharging port 5 and the air inlet 6 are automatically closed when high-strength heat dissipation is not needed, so that normal sealing protection is performed, and use safety of the bus duct is improved.
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 intensive enclosed bus duct of high strength air, includes shell (1), the internally mounted of shell (1) has electrically conductive row (2), the surface connection of electrically conductive row (2) has fastener (3), and all has injecting glue sealing member (4), its characterized in that between the both ends of electrically conductive row (2) and shell (1): heat extraction mouth (5) and air inlet (6) have been seted up respectively to the symmetry both sides of shell (1), heat extraction mouth (5) department is provided with heat extraction mechanism (7), sealing mechanism (16) are all installed to the internal surface of heat extraction mouth (5) and air inlet (6), sealing mechanism (16) department is connected with drive closing mechanism (10), and air inlet (6) on shell (1) the bisymmetry lateral wall are connected with U type pipe (8) jointly, blow vent (14) have been seted up to the bottom of U type pipe (8), the inside of U type pipe (8) is provided with cooling mechanism (9).
2. A high strength air intensive enclosed bus duct as set forth in claim 1, wherein: the heat exhaust mechanism (7) comprises an installation frame (701) installed at the heat exhaust opening (5), and a heat exhaust fan (702) is installed inside the installation frame (701).
3. A high strength air intensive enclosed bus duct as set forth in claim 2, wherein: sealing mechanism (16) is including fixing fixed frame (161) on shell (1) inner wall, the inside sliding connection of fixed frame (161) has pull board (162), the one end of pull board (162) extends to the outside of fixed frame (161) and fixedly connected with fixed plate (163).
4. A high-strength air-intensive enclosed bus duct according to claim 3, wherein: the driving opening and closing mechanism (10) comprises a first electromagnet block (1001) fixed on a fixing plate (163), guide rods (1002) are arranged on two sides of the first electromagnet block (1001) respectively, a second electromagnet block (1004) is arranged on one side of the first electromagnet block (1001), the second electromagnet block (1004) is fixed to the inner wall of the shell (1), one end of each guide rod (1002) is fixed to the fixing plate (163), the other end of each guide rod (1002) is connected with the second electromagnet block (1004) in a penetrating and sliding mode, a spring (1003) is sleeved on the outer surface of each guide rod (1002), and two ends of each spring (1003) are fixed to the side walls of the fixing plate (163) and the second electromagnet block (1004) respectively.
5. A high strength air intensive enclosed bus duct as set forth in claim 2, wherein: drive closing mechanism (10) is including fixing fixed block (1011) on pull board (162) surface, the one end of fixed block (1011) is provided with magnetic telescopic rod (1012), the flexible end of magnetic telescopic rod (1012) is fixed with fixed block (1011), and magnetic telescopic rod (1012) keep away from one end fixedly connected with mount pad (1013) of flexible end, mount pad (1013) are fixed with the inner wall of shell (1).
6. A high strength air intensive enclosed bus duct as set forth in claim 1, wherein: the cooling mechanism (9) comprises a semiconductor refrigeration sheet (901) fixedly embedded on the lower surface of the U-shaped guide pipe (8), a radiating fin (903) is fixed at the hot end of the semiconductor refrigeration sheet (901), a cold guide sheet (902) is fixed at the cold end of the semiconductor refrigeration sheet (901), and the cold guide sheet (902) is positioned inside the U-shaped guide pipe (8).
7. A high strength air intensive enclosed bus duct as set forth in claim 1, wherein: and a filter screen plate (15) is arranged at the air vent (14).
8. A high strength air intensive enclosed bus duct as set forth in claim 1, wherein: the air inlet (6) is provided with a moisture absorption plate (13), and the surface of the moisture absorption plate (13) is provided with a plurality of moisture absorption air holes.
9. A high strength air intensive enclosed bus duct as set forth in claim 1, wherein: the temperature sensor (11) is arranged in the shell (1), and the control switch (12) is arranged outside the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210397265.4A CN114899779A (en) | 2022-04-15 | 2022-04-15 | High-strength air intensive enclosed bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210397265.4A CN114899779A (en) | 2022-04-15 | 2022-04-15 | High-strength air intensive enclosed bus duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114899779A true CN114899779A (en) | 2022-08-12 |
Family
ID=82717336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210397265.4A Pending CN114899779A (en) | 2022-04-15 | 2022-04-15 | High-strength air intensive enclosed bus duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114899779A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110050124A (en) * | 2009-11-06 | 2011-05-13 | 주식회사 근옥 | Heat exchanging ventilation device |
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| CN205901232U (en) * | 2016-05-20 | 2017-01-18 | 重庆赛普电器有限公司 | Bus slot |
| CN107888504A (en) * | 2017-10-20 | 2018-04-06 | 郑州微驿家电子科技有限公司 | A kind of wireless router for being easy to radiating |
| CN109038261A (en) * | 2018-07-31 | 2018-12-18 | 合肥尚强电气科技有限公司 | A kind of electric power cabinet with self moisture-proof function |
| CN111009836A (en) * | 2019-12-30 | 2020-04-14 | 太仓德纳森机电工程有限公司 | Internal adjusting type electrical control cabinet |
| CN211930209U (en) * | 2020-05-21 | 2020-11-13 | 镇江西门子母线有限公司 | Intelligent bus duct system for power supply |
| CN112165262A (en) * | 2020-10-14 | 2021-01-01 | 李孟钟 | From waterproof heat dissipation type power adapter of open-close type |
| CN112260090A (en) * | 2020-11-01 | 2021-01-22 | 黄国兴 | Electric power cabinet that heat dispersion is good |
| CN212811231U (en) * | 2021-02-23 | 2021-03-26 | 贵州长宇电力电气有限公司 | Intensive bus duct |
| CN213243472U (en) * | 2020-10-26 | 2021-05-18 | 孟凡雷 | Be used for case enclosed bus apron seal assembly altogether |
-
2022
- 2022-04-15 CN CN202210397265.4A patent/CN114899779A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110050124A (en) * | 2009-11-06 | 2011-05-13 | 주식회사 근옥 | Heat exchanging ventilation device |
| CN205543912U (en) * | 2016-03-01 | 2016-08-31 | 陈昊 | Box -type substation with automatic fire extinguishing function |
| CN205901232U (en) * | 2016-05-20 | 2017-01-18 | 重庆赛普电器有限公司 | Bus slot |
| CN107888504A (en) * | 2017-10-20 | 2018-04-06 | 郑州微驿家电子科技有限公司 | A kind of wireless router for being easy to radiating |
| CN109038261A (en) * | 2018-07-31 | 2018-12-18 | 合肥尚强电气科技有限公司 | A kind of electric power cabinet with self moisture-proof function |
| CN111009836A (en) * | 2019-12-30 | 2020-04-14 | 太仓德纳森机电工程有限公司 | Internal adjusting type electrical control cabinet |
| CN211930209U (en) * | 2020-05-21 | 2020-11-13 | 镇江西门子母线有限公司 | Intelligent bus duct system for power supply |
| CN112165262A (en) * | 2020-10-14 | 2021-01-01 | 李孟钟 | From waterproof heat dissipation type power adapter of open-close type |
| CN213243472U (en) * | 2020-10-26 | 2021-05-18 | 孟凡雷 | Be used for case enclosed bus apron seal assembly altogether |
| CN112260090A (en) * | 2020-11-01 | 2021-01-22 | 黄国兴 | Electric power cabinet that heat dispersion is good |
| CN212811231U (en) * | 2021-02-23 | 2021-03-26 | 贵州长宇电力电气有限公司 | Intensive bus duct |
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