CN114725868B - Dense insulating plug bus duct with expansion self-adaptive structure - Google Patents
Dense insulating plug bus duct with expansion self-adaptive structure Download PDFInfo
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- CN114725868B CN114725868B CN202210408547.XA CN202210408547A CN114725868B CN 114725868 B CN114725868 B CN 114725868B CN 202210408547 A CN202210408547 A CN 202210408547A CN 114725868 B CN114725868 B CN 114725868B
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- locking
- bus duct
- busbar
- shell
- expansion
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- 230000006978 adaptation Effects 0.000 claims abstract description 6
- 230000003044 adaptive effect Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
-
- 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
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The invention relates to a bus duct, in particular to a dense insulating plug-in bus duct with an expansion self-adaptive structure, which comprises a shell, wherein a plurality of bus bars are arranged in the shell, the bus bars are separated by insulating layers, and an elastic shrinkage and deformation self-adaptive structure is arranged between the outermost bus bar and the inner wall of the shell. When the busbar works, no matter the local insulating layer is thermally expanded or the whole insulating layer is thermally expanded, the deformation of the busbar can lead the compression connecting rod to retract into the sliding sleeve, the first spring is compressed to store the force of the first spring, so that a temporary adaptation space is provided for the thermal expansion of the insulating layer, after the temperature is recovered to be normal, the elastic force of the first spring can push and press the position which is just thermally expanded inwards after the insulating layer is contracted, so that the busbar at the thermal expansion part can be recovered to the original state in time, and the deformation is avoided.
Description
Technical Field
The invention relates to a bus duct, in particular to a dense insulating plug-in bus duct with an expansion self-adaptive structure.
Background
In high-rise and super high-rise buildings, dense plug-in bus ducts are widely used because of a series of advantages. At present, at the consumer, no cable duct or buried threading pipe is needed, and the power supply can be conveniently led out from the bus duct jack through the plug-in switch box, so that the building structure can be not damaged or less damaged. This is useful for applications where it is desirable to adjust the position of the power distribution and consumer without affecting the building facility. However, the dense bus duct is separated by filling insulating materials between the bus bars, and under the working of the bus bars, the generated high temperature often causes thermal expansion and cold contraction of the materials, and the outer shells around the bus bars are in a close fit state, so that the local expansion deformation easily causes the outer shells to be broken to cause potential safety hazards such as electric leakage in the past for a long time. After expansion and contraction, the toughness of the busbar is insufficient to enable the busbar to be restored to the original position, so that the busbar is deformed and damaged.
Disclosure of Invention
It is an object of the present invention to solve the above-mentioned drawbacks of the prior art by providing a dense insulated plug bus duct with an expansion adaptive structure.
The technical scheme adopted by the invention is as follows: the novel solar cell module comprises a shell, wherein a plurality of busbar are arranged in the shell, each busbar is separated by an insulating layer, and an elastically contractible and deformable self-adaptive structure is arranged between the outermost busbar and the inner wall of the shell.
As a preferred technical scheme of the invention: the self-adaptive structure comprises an elastic telescopic mechanism and a contact plate positioned at one end of the elastic telescopic mechanism, one surface of the contact plate is contacted with the outer wall of the busbar, and a plurality of contact balls are arranged on one surface of the contact plate contacted with the busbar.
As a preferred technical scheme of the invention: the contact plate is provided with a plurality of hemispherical ball grooves with diameters larger than those of the contact balls, the inner wall of each ball groove is uniformly provided with a plurality of first round grooves, the spherical surface of each contact ball is provided with a plurality of second round grooves corresponding to the first round grooves one by one, a second spring is arranged between each first round groove and the corresponding second round groove, and two ends of each second spring are respectively clamped in the first round grooves and the second round grooves.
As a preferred technical scheme of the invention: the elastic telescopic mechanism comprises a connecting rod and a sliding sleeve, wherein the inside of the sliding sleeve is a cavity with a hollow structure, one end of the connecting rod is provided with a limiting piece matched with the diameter of the cavity, the limiting piece is slidably embedded in the cavity, a round hole connected with the outside is formed in the end part of the cavity, the round hole is matched with the diameter of the connecting rod, a baffle is arranged on the outer circumferential wall of the connecting rod, a first spring is arranged between the baffle and the sliding sleeve, and the first spring is sleeved outside the connecting rod.
As a preferred technical scheme of the invention: the back center department of contact plate is equipped with the cylinder piece, the cylinder piece end is equipped with the ball cover, it has spherical inner chamber to open in the ball cover, the one end of connecting rod is equipped with the universal ball, the universal ball movably inlay locate inside the spherical inner chamber.
As a preferred technical scheme of the invention: the busbar comprises a middle section and connecting ends at two ends of the middle section, wherein one connecting end is connected with a bulge, the other connecting end is provided with a slot, and when the bus duct is spliced for use, the bulge at the connecting end of one bus duct is inserted into the slot at the end of the other bus duct.
As a preferred technical scheme of the invention: the end part of the bulge is provided with a clamping edge with the width larger than that of the bulge, clamping blocks are symmetrically arranged on the inner wall of the slot, and the width of the clamping edge is larger than the interval between the two clamping blocks.
As a preferred technical scheme of the invention: the locking arm is installed to the one end of shell, the other end of shell install be used for with locking box of locking arm joint locking.
As a preferred technical scheme of the invention: one end of the locking arm is arranged on the shell through the hinged support, and the locking arm is hinged with the hinged support.
As a preferred technical scheme of the invention: the locking box is of a hollow structure with an opening at the top, a lock rod is horizontally arranged between the inner walls of the top end of the locking box, the tail ends of the locking arms are bent towards the inner sides of the lower parts to form arc-shaped pits, and when the bus ducts are spliced for use, the locking arms of one bus duct are tightly held on the lock rod of the locking box of the other bus duct through the arc-shaped pits for locking.
Compared with the prior art, the invention has the beneficial effects that:
1. when the busbar works, no matter the local insulating layer is thermally expanded or the whole insulating layer is thermally expanded, the deformation of the busbar can lead the compression connecting rod to retract into the sliding sleeve, the first spring is compressed to store the force of the first spring, so that a temporary adaptation space is provided for the thermal expansion of the insulating layer, after the temperature is recovered to be normal, the elastic force of the first spring can push and press the position which is just thermally expanded inwards after the insulating layer is contracted, so that the busbar at the thermal expansion part can be recovered to the original state in time, and the deformation is avoided. In addition, when the bus is in local thermal expansion, the local expansion of the bus is not planar expansion, but is in a local expansion state, and in order to adapt to the changeable expansion structure, a plurality of contact balls which are uniformly arranged are arranged on the contact plate, all parts of the surface of the contact balls are elastically contacted with the ball grooves through second springs, and at the moment, the contact plate is matched with the universal movable connection of the universal ball at one end of the connecting rod and the ball sleeve, so that the contact plate can adapt to the angle change caused by the local expansion deformation of any shape. And the bending of the contact plate caused by local expansion is avoided, and the deformation or breakage of the connecting rod caused by the bending of the contact plate is avoided.
2. When the locking arm of one bus duct is tightly held on the lock rod of the other bus duct locking box through the arc-shaped recess to lock, particularly, the corner position of the end part of the locking arm is slightly protruded from the position of the lock rod, so that the lock rod is pressed by a large force to slightly deform when the locking arm rotates and moves downwards, at the moment, the corner protruded position of one end of the locking arm can cross the slightly deformed lock rod, the arc-shaped recess is only held on the lock rod to complete locking, the alignment insertion of the protrusion and the slot is ensured in the whole locking process, and the clamping edge at the front end of the protrusion is also clamped in front of the clamping block, so that the bus bars of the two bus ducts are tightly contacted, and the conduction of electric energy is ensured.
Drawings
FIG. 1 is a schematic view of a splice state structure according to a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the overall structure of the preferred embodiment of the present invention;
FIG. 3 is a schematic view of a busbar according to a preferred embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to the preferred embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the structure at B in FIG. 3 according to the preferred embodiment of the present invention;
FIG. 6 is a schematic view showing the structure of a locking arm in a preferred embodiment of the present invention;
FIG. 7 is a schematic view showing the structure of a locking box according to a preferred embodiment of the present invention;
FIG. 8 is a schematic diagram of the adaptive structure according to the preferred embodiment of the present invention;
FIG. 9 is a cross-sectional view taken along the A-A direction in FIG. 8 in accordance with a preferred embodiment of the present invention;
FIG. 10 is a second schematic diagram of the adaptive structure according to the preferred embodiment of the present invention;
FIG. 11 is a third schematic structural view of the adaptive structure according to the preferred embodiment of the present invention;
FIG. 12 is a schematic view showing the structure of a contact plate according to a preferred embodiment of the present invention;
fig. 13 is an enlarged schematic view of the structure at a in fig. 12 according to the preferred embodiment of the present invention.
Reference numerals illustrate:
1. a housing; 11. a cover plate; 12. a side plate; 2. a busbar; 21. an intermediate section; 22. a connection end; 221. a protrusion; 222. clamping edges; 223. a slot; 224. a clamping block; 3. an insulating layer; 4. locking the box; 41. a lock lever; 5. a hinged support; 6. a locking arm; 61. arc-shaped concave; 7. an adaptive structure; 71. a contact plate; 710. a ball sleeve; 711. a cylindrical block; 712. a ball groove; 713. a first circular groove; 72. a contact ball; 720. a second circular groove; 73. an elastic telescopic mechanism; 730. a connecting rod; 731. a universal ball; 732. a baffle; 733. a first spring; 734. a sliding sleeve; 735. a limiting piece; 736. a connecting plate; 737. a round hole; 74. and a second spring.
Detailed Description
It should be noted that, under the condition of no conflict, the embodiments and features in the embodiments may be combined with each other, and 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 some embodiments, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-13, a dense insulation plugging bus duct with an expansion adaptive structure is provided in a preferred embodiment of the present invention, which comprises a housing 1, wherein the housing 1 is assembled by an upper cover plate 11, a lower cover plate 11 and two side plates 12 on both sides through screws, a plurality of bus bars 2 are installed in the housing 1, each bus bar 2 is separated by an insulation layer 3, and an adaptive structure 7 capable of elastically shrinking and deforming is provided between the outermost bus bar 2 and the inner wall of the housing 1.
Specifically, the adaptive structure 7 includes an elastic telescopic mechanism 73 and a contact plate 71 located at one end of the elastic telescopic mechanism 73, one surface of the contact plate 71 contacts with the outer wall of the busbar 2, and a plurality of contact balls 72 are disposed on the surface of the contact plate 71 contacting with the busbar 2. The contact plate 71 is provided with a plurality of hemispherical ball grooves 712 with diameters larger than those of the contact balls 72, the inner wall of each ball groove 712 is uniformly provided with a plurality of first round grooves 713, the spherical surface of each contact ball 72 is provided with a plurality of second round grooves 720 corresponding to the first round grooves 713 one by one, a second spring 74 is arranged between each first round groove 713 and the corresponding second round groove 720, and two ends of each second spring 74 are respectively clamped in the first round groove 713 and the corresponding second round groove 720. The elastic telescopic mechanism 73 comprises a connecting rod 730 and a sliding sleeve 734, one end of the sliding sleeve 734 is connected with a connecting plate 736, the connecting plate 736 is fixed on the inner wall of the side plate 12, the inside of the sliding sleeve 734 is a cavity with a hollow structure, one end of the connecting rod 730 is provided with a limiting plate 735 which is matched with the diameter of the cavity, the limiting plate 735 is slidably embedded in the cavity, the end of the cavity is provided with a round hole 737 which is connected with the outside, the round hole 737 is matched with the diameter of the connecting rod 730, the circumferential outer wall of the connecting rod 730 is provided with a baffle 732, a first spring 733 is arranged between the baffle 732 and the sliding sleeve 734, and the first spring 733 is sleeved outside the connecting rod 730. The center of the back of the contact plate 71 is provided with a cylindrical block 711, the tail end of the cylindrical block 711 is provided with a ball sleeve 710, a spherical inner cavity is formed in the ball sleeve 710, one end of the connecting rod 730 is provided with a universal ball 731, and the universal ball 731 is movably embedded in the spherical inner cavity. In one embodiment of the present invention, the adaptive structures 7 are uniformly and equidistantly arranged on two sides of the busbar 2, when the busbar 2 works, no matter the local insulating layer 3 is thermally expanded or the whole insulating layer 3 is thermally expanded, the deformation of the adaptive structures can cause the compression connecting rod 730 to retract into the sliding sleeve 734, meanwhile, the first spring 733 is compressed to store the force of the first spring 733, so that a temporary adaptation space is provided for the thermal expansion of the insulating layer 3, and after the temperature is recovered to be normal, the elastic force of the first spring 733 can push and squeeze the position just thermally expanded inwards after the insulating layer 3 is contracted, so that the busbar 2 at the thermal expansion part can be recovered to be the original state in time. Deformation is avoided. In addition, since the busbar 2 may not be expanded in a plane but in a locally expanded state during the local thermal expansion, in order to adapt to the changeable expansion structure, the contact plate 71 is provided with a plurality of uniformly arranged contact balls 72, each part of the surface of the contact balls 72 is elastically contacted with the ball groove 712 through the second spring 74, and at this time, the contact plate 71 is adapted to the angle change caused by the local expansion deformation of any shape by being in universal movable connection with the universal ball 731 at one end of the connecting rod 730 and the ball sleeve 710. And the bending of the contact plate caused by local expansion is avoided, and the deformation or breakage of the connecting rod caused by the bending of the contact plate is avoided.
Secondly, in order to ensure that the bus duct is suitable for various lengths, a multi-section splicing mode is adopted, the busbar 2 comprises a middle section 21 and connecting ends 22 at two ends of the middle section 21, wherein one connecting end 22 is connected with a protrusion 221, the end of the other connecting end 22 is provided with a slot 223, and when the bus duct is spliced for use, the protrusion 221 at the end of one bus duct connecting end 22 is inserted into the slot 223 at the end of the other bus duct. The end of the protrusion 221 is provided with a clamping edge 222 with a width larger than that of the protrusion 221, clamping blocks 224 are symmetrically arranged on the inner wall of the slot 223, and the width of the clamping edge 222 is larger than the interval between the two clamping blocks 224. A locking arm 6 is arranged at one end of the shell 1, and a locking box 4 which is used for being clamped and locked with the locking arm 6 is arranged at the other end of the shell 1. One end of the locking arm 6 is mounted on the housing 1 through the hinge support 5, and the locking arm 6 is hinged with the hinge support 5. The locking box 4 has a hollow structure with an open top, a lock lever 41 is horizontally arranged between the inner walls of the top end of the locking box 4, and the tail end of the locking arm 6 is bent towards the inner side of the lower part to form an arc-shaped concave 61. The hinge seat 5 and the locking box 4 are both installed at the top surface bending part of the bus duct side plate 12 through screws, when the bus ducts are spliced and used, the locking arm 6 of one bus duct is tightly held on the locking rod 41 of the other bus duct locking box 4 through the arc-shaped concave 61, when multi-section splicing is performed, the locking arm 6 of one bus duct is tightly held on the locking rod 41 of the other bus duct locking box 4 through the arc-shaped concave 61, specifically, the corner position of the end part of the locking arm 6 is slightly protruded at the position of the locking rod 41, so that when the locking arm 6 rotates and moves downwards, the locking rod 41 is slightly deformed, at the moment, the corner protruded position of one end of the locking arm 6 can be beyond the slightly deformed locking rod 41, so that the arc-shaped concave 61 is only held on the locking rod 41 to complete locking, in the whole locking process, the alignment insertion of the protrusions 221 and the slots 223 is ensured, and the clamping edges 222 at the front ends of the protrusions 221 are also clamped at the front of the clamping blocks 224, so that the bus ducts 2 of the two bus ducts can be tightly contacted, and the conduction of electric energy is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a dense insulating grafting bus duct with inflation self-adaptation structure, includes the shell, install a plurality of female arranging in the shell, each separate through the insulating layer between the female row, its characterized in that: an adaptive structure capable of elastically contracting and deforming is arranged between the outermost busbar and the inner wall of the shell;
the self-adaptive structure comprises an elastic telescopic mechanism and a contact plate positioned at one end of the elastic telescopic mechanism, one surface of the contact plate is contacted with the outer wall of the busbar, and a plurality of contact balls are arranged on the surface of the contact plate contacted with the busbar;
the contact plate is provided with a plurality of hemispherical ball grooves with diameters larger than those of the contact balls, the inner wall of each ball groove is uniformly provided with a plurality of first round grooves, the spherical surface of each contact ball is provided with a plurality of second round grooves corresponding to the first round grooves one by one, a second spring is arranged between each first round groove and the corresponding second round groove, and two ends of each second spring are respectively clamped in the first round grooves and the second round grooves.
2. The dense insulated patch busway with expansion adaptation structure of claim 1, wherein: the elastic telescopic mechanism comprises a connecting rod and a sliding sleeve, wherein the inside of the sliding sleeve is a cavity with a hollow structure, one end of the connecting rod is provided with a limiting piece matched with the diameter of the cavity, the limiting piece is slidably embedded in the cavity, a round hole connected with the outside is formed in the end part of the cavity, the round hole is matched with the diameter of the connecting rod, a baffle is arranged on the outer circumferential wall of the connecting rod, a first spring is arranged between the baffle and the sliding sleeve, and the first spring is sleeved outside the connecting rod.
3. The dense insulated patch busway with expansion adaptation structure of claim 2, wherein: the back center department of contact plate is equipped with the cylinder piece, the cylinder piece end is equipped with the ball cover, it has spherical inner chamber to open in the ball cover, the one end of connecting rod is equipped with the universal ball, the universal ball movably inlay locate inside the spherical inner chamber.
4. The dense insulated patch busway with expansion adaptation structure of claim 1, wherein: the busbar comprises a middle section and connecting ends at two ends of the middle section, wherein one connecting end is connected with a bulge, the other connecting end is provided with a slot, and when the bus duct is spliced for use, the bulge at the connecting end of one bus duct is inserted into the slot at the end of the other bus duct.
5. The dense insulated patch busway with expansion adaptive structure of claim 4, wherein: the end part of the bulge is provided with a clamping edge with the width larger than that of the bulge, clamping blocks are symmetrically arranged on the inner wall of the slot, and the width of the clamping edge is larger than the interval between the two clamping blocks.
6. The dense insulated patch busway with expansion adaptive structure of claim 5, wherein: the locking arm is installed to the one end of shell, the other end of shell install be used for with locking box of locking arm joint locking.
7. The dense insulated patch busway with expansion adaptive structure of claim 6, wherein: one end of the locking arm is arranged on the shell through the hinged support, and the locking arm is hinged with the hinged support.
8. The dense insulated patch busway with expansion adaptive structure of claim 6, wherein: the locking box is of a hollow structure with an opening at the top, a lock rod is horizontally arranged between the inner walls of the top end of the locking box, the tail ends of the locking arms are bent towards the inner sides of the lower parts to form arc-shaped pits, and when the bus ducts are spliced for use, the locking arms of one bus duct are tightly held on the lock rod of the locking box of the other bus duct through the arc-shaped pits for locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210408547.XA CN114725868B (en) | 2022-04-19 | 2022-04-19 | Dense insulating plug bus duct with expansion self-adaptive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210408547.XA CN114725868B (en) | 2022-04-19 | 2022-04-19 | Dense insulating plug bus duct with expansion self-adaptive structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114725868A CN114725868A (en) | 2022-07-08 |
| CN114725868B true CN114725868B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210408547.XA Active CN114725868B (en) | 2022-04-19 | 2022-04-19 | Dense insulating plug bus duct with expansion self-adaptive structure |
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| Country | Link |
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| CN (1) | CN114725868B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0735616A2 (en) * | 1995-03-31 | 1996-10-02 | F. Wieland Elektrische Industrie GmbH | Electric connector, especially for circuit boards |
| CN210224886U (en) * | 2019-09-02 | 2020-03-31 | 镇江苏海电力科技有限公司 | Anticreep insulation protection device for bus duct |
| CN112018695A (en) * | 2020-09-15 | 2020-12-01 | 青岛东山集团母线智造有限公司 | Intensive bus duct with heat conducting fins |
| CN212366762U (en) * | 2020-07-19 | 2021-01-15 | 苏正智能电气有限公司 | Environment-friendly heat-resistant high-temperature fireproof bus duct convenient for dust cleaning |
| CN212676843U (en) * | 2020-07-29 | 2021-03-09 | 湖北睿能电气有限公司 | High-insulation anti-deformation bus duct |
-
2022
- 2022-04-19 CN CN202210408547.XA patent/CN114725868B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0735616A2 (en) * | 1995-03-31 | 1996-10-02 | F. Wieland Elektrische Industrie GmbH | Electric connector, especially for circuit boards |
| CN210224886U (en) * | 2019-09-02 | 2020-03-31 | 镇江苏海电力科技有限公司 | Anticreep insulation protection device for bus duct |
| CN212366762U (en) * | 2020-07-19 | 2021-01-15 | 苏正智能电气有限公司 | Environment-friendly heat-resistant high-temperature fireproof bus duct convenient for dust cleaning |
| CN212676843U (en) * | 2020-07-29 | 2021-03-09 | 湖北睿能电气有限公司 | High-insulation anti-deformation bus duct |
| CN112018695A (en) * | 2020-09-15 | 2020-12-01 | 青岛东山集团母线智造有限公司 | Intensive bus duct with heat conducting fins |
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| Publication number | Publication date |
|---|---|
| CN114725868A (en) | 2022-07-08 |
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Address after: 266000 No. 13, Yuyuan Third Road, Chengyang District, Qingdao City, Shandong Province Applicant after: Xilang Electric Industry Group Co.,Ltd. Address before: 266000 No. 13, Yuyuan Third Road, Jihongtan street, Chengyang District, Qingdao, Shandong Province Applicant before: Shandong Xilang Holding Group Co.,Ltd. |
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