CN111725754A - High-protection pouring bus duct - Google Patents
High-protection pouring bus duct Download PDFInfo
- Publication number
- CN111725754A CN111725754A CN202010502769.9A CN202010502769A CN111725754A CN 111725754 A CN111725754 A CN 111725754A CN 202010502769 A CN202010502769 A CN 202010502769A CN 111725754 A CN111725754 A CN 111725754A
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- Prior art keywords
- bus duct
- plate
- spring
- casing
- shell
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Classifications
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- 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
Abstract
The invention discloses a high-protection pouring bus duct which comprises a bus duct body, a lower shell, a heat dissipation assembly, a first damping assembly and a second damping assembly, wherein the lower shell is fixedly connected with the bus duct body; bus duct: buses are equidistantly arranged in the bus duct, uniformly distributed cavities are arranged in the bus duct, the cavities of the bus duct are positioned between the adjacent buses, and a protection plate is arranged on the outer surface of the bus duct; a lower housing: the upper end of the protective plate is provided with an upper shell, and the outer surface of the protective plate is respectively connected with the inner wall surfaces of the upper shell and the lower shell in a sliding way; a heat dissipation assembly: the cavity is arranged in the bus duct; a first dampening assembly: the protective plate is arranged at the bottom end of the protective plate and the upper end of the bottom plate of the lower shell respectively; a second dampening member: the symmetry sets up in the lower surface of guard plate and the bottom plate upper surface of casing down, and this high protection pouring bus duct has extremely strong anti-seismic performance, and good heat dissipation has delayed ageing rate, has increased life, has fire-retardant damp-proofing effect, has improved practicality, convenient to use.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a high-protection pouring bus duct.
Background
The bus is made of high-conductivity copper and aluminum materials and used for transmitting electric energy, a product with the capacity of collecting and distributing electric power and a main lead for transmitting electric energy by a power station or a transformer substation, the cast bus duct is made of high-performance insulating resin and can be suitable for various severe and high-cleanness environments, and the cast bus duct is widely applied to various places such as shipbuilding, papermaking, power plants, transformer substations, petrochemical engineering, ferrous metallurgy, mechanical electronics, large buildings and the like, and in the prior art, a patent with the authorized public number of CN207251136U discloses a cast bus duct, which comprises a conductor and is characterized in that: the conductor is encapsulated in epoxy resin, and the end part of the conductor is supported by the insulating clamp; the bus joint department of conductor tip is equipped with waterproof boss, it is not enough to bus protection degree, the structure is complicated, the installation is inconvenient, it is fixed unstable, very big trouble has been brought for user's use, and can not realize the high-efficient moisture absorption dampproofing to bus operational environment according to the service environment demand, can't realize the quick heat dissipation cooling to bus operational environment, the anticorrosive measure of bus carrier is done not enough to target in place, and then can't accomplish the all-round high-efficient protection to the bus, personnel's maintenance burden has been increased in the intangible, the life discount greatly of bus, cause the availability factor of pouring bus low, for this reason, we propose a high protection pouring bus duct and solve above-mentioned defect.
Disclosure of Invention
The invention aims to overcome the existing defects, provides a high-protection pouring bus duct which has strong anti-seismic performance, good heat dissipation, aging rate delay, service life prolonging, flame-retardant and moisture-proof effects, improved practical performance and convenient use, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a high-protection pouring bus duct comprises a bus duct body, a lower shell, a heat dissipation assembly, a first damping assembly and a second damping assembly;
bus duct: buses are equidistantly arranged in the bus duct, uniformly distributed cavities are arranged in the bus duct, the cavities of the bus duct are positioned between the adjacent buses, and a protection plate is arranged on the outer surface of the bus duct;
a lower housing: the upper end of the protective plate is provided with an upper shell, and the outer surface of the protective plate is respectively connected with the inner wall surfaces of the upper shell and the lower shell in a sliding way;
a heat dissipation assembly: the cavity is arranged in the bus duct;
a first dampening assembly: the protective plate is arranged at the bottom end of the protective plate and the upper end of the bottom plate of the lower shell respectively;
a second dampening member: the lower surface of the protection plate and the upper surface of the bottom plate of the lower shell are symmetrically arranged;
wherein: still including the installation ear, the installation ear symmetry sets up in the left and right sides face bottom of casing down, has extremely strong anti-seismic performance, can effectively provide the protection for the bus duct in adverse circumstances, and heat dispersion is good moreover, has delayed ageing rate, has increased life, has fire-retardant damp-proofing effect, has improved practicality, convenient to use.
Further, the guard plate includes non-woven fabrics, pottery and flame retardant coating, ceramic surface fixed connection has the non-woven fabrics, the surface of non-woven fabrics respectively with last casing and the internal face sliding connection of casing down, porcelainous internal surface is equipped with the flame retardant coating, the internal surface of flame retardant coating and the surface fixed connection of bus duct increase the dampproofing of bus duct, fire behavior, improve heat conduction rate.
Furthermore, the ceramic is beryllium oxide ceramic, the beryllium oxide has high heat conductivity coefficient and good heat conductivity, the heat of the bus duct can be timely led out, and the heat dissipation efficiency is improved.
Further, the radiating assembly comprises a connecting plate, heat conducting fins and a dustproof net, the connecting plate is fixedly connected with the upper surface and the middle of the lower surface of the cavity of the bus duct respectively, the heat conducting fins are symmetrically arranged on the left side surface and the right side surface of the connecting plate, the outer side surface of the dustproof net is fixedly connected with the inner wall surface of the cavity of the bus duct, the dustproof net is symmetrically arranged at the front end and the rear end of the cavity of the bus duct, the contact area of the bus duct and air is increased, and.
Further, first damper unit includes cooperation groove, connecting rod, slider, first spring and spout, cooperation groove symmetry sets up in the lower extreme of guard plate, and the spout symmetry sets up in the bottom plate upper surface of casing down, and the inside sliding connection of spout has the slider, and the left and right sides face of slider all is provided with first spring, and the side fixed connection that the one end and the spout of slider correspond is kept away from to first spring, and the upper end of slider is connected with the connecting rod through the round pin axle rotation, and the top of connecting rod is connected through the lateral wall rotation of round pin axle with the cooperation groove, improves the anti-seismic performance of bus duct, avoids the generating line to rock, increase of service life.
Further, second damper assembly includes sleeve, stem and second spring, sleeve fixed connection is in the bottom plate upper surface of casing down, and telescopic internal face sliding connection has the stem, and telescopic last fixed surface is connected with the second spring, the top of stem and second spring all with the lower fixed surface of non-woven fabrics be connected, the stem is located the inside of second spring, plays the effect of spacing buffering to the bus duct, avoids the relative casing back-and-forth movement down of bus duct.
Further, the upper surface of casing is equipped with the plugboard down, and the plugboard is pegged graft inside the slot that sets up in last casing lateral wall lower surface, and the plugboard passes through bolt fixed connection with the lateral wall lower extreme of casing, prevents that water from getting into the inside of casing down, improves the stability of connecting.
Furthermore, the installation structure further comprises an installation hole, the installation hole is formed in the installation lug, and the installation hole is of a notch-shaped structure, so that the lower shell can be fixedly installed conveniently.
Compared with the prior art, the invention has the beneficial effects that: this high protection pouring bus duct has following benefit:
1. heat conduction fin and connecting plate have increased the area of contact of bus duct with the outside air, pass through heat conduction fin and connecting plate with the heat that the generating line produced and transmit to the outside fast, the improvement of very big degree the radiating efficiency, inside the dust screen effectively avoided outside dust particle to get into the cavity of bus duct, played dustproof effect, avoided influencing the heat dissipation function.
2. The lower shell drives the slider to move upwards, the slider moves upwards in the process, the slider slides towards the inner side, the first spring on the inner side face of the slider is extruded, the first spring on the outer side face of the slider is stretched, the first spring buffers the vibration of the lower shell, and therefore the vibration amplitude of the protection plate is reduced to the minimum, the vibration of the bus duct and the bus is reduced to the minimum, the anti-seismic performance of the bus duct is improved, the bus is prevented from shaking, and the service life is prolonged.
3. The casing drives the sleeve rebound down, and the sleeve slides at the surface of stem, and the second spring is compressed, and the second spring all cushions the vibration of casing down, further improves the shock-absorbing capacity, avoids the relative casing back-and-forth movement down of bus duct simultaneously, plays limiting displacement.
4. The ceramic is beryllium oxide ceramic, has very high coefficient of heat conductivity, can further improve the heat transfer efficiency to the bus duct, makes bus duct heat spread fast, and the non-woven fabrics of ceramic surface can absorb moisture on every side, has effectively guaranteed the drying of air around the bus duct, has played the dampproofing effect, and the flame retardant coating is the phenolic resin flame retardant coating, and insulating properties is good, and fire-retardant thermal-insulated effect is showing, and mechanical properties is good, can provide effectual support to the bus duct.
5. This high protection pouring bus duct has extremely strong anti-seismic performance, can effectively provide the protection for the bus duct in adverse circumstances, and heat dispersion is good moreover, has delayed ageing rate, has increased life, has fire-retardant damp-proofing effect, has improved practicality, convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
fig. 3 is a schematic structural view of the bolt of the present invention.
In the figure: the heat dissipation module comprises a bus duct 1, a bus bar 2, an upper shell 3, a lower shell 4, a plug board 41, a protection board 5, a non-woven fabric 51, ceramic 52, a fireproof layer 53, a heat dissipation component 6, a connecting board 61, a heat conduction fin 62, a dustproof net 63, a first damping component 7, a matching groove 71, a connecting rod 72, a slider 73, a first spring 74, a sliding groove 75, a second damping component 8, a sleeve 81, a core column 82, a second spring 83, a bolt 9, a mounting hole 10 and a mounting lug 11.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a high-protection pouring bus duct comprises a bus duct 1, a lower shell 4, a heat dissipation assembly 6, a first damping assembly 7 and a second damping assembly 8;
bus duct 1: the bus bar 2 is equidistantly arranged in the bus bar slot 1, uniformly distributed cavities are arranged in the bus bar slot 1, the cavities in the bus bar slot 1 are positioned between the adjacent bus bars 2, a protection plate 5 is arranged on the outer surface of the bus bar slot 1, the protection plate 5 comprises a non-woven fabric 51, a ceramic 52 and a fireproof layer 53, the non-woven fabric 51 is fixedly connected to the outer surface of the ceramic 52, the outer surface of the non-woven fabric 51 is respectively in sliding connection with the inner wall surfaces of the upper shell 3 and the lower shell 4, the fireproof layer 53 is arranged on the inner surface of the ceramic 52, the inner surface of the fireproof layer 53 is fixedly connected with the outer surface of the bus bar slot 1, the moisture resistance and the fireproof performance of the bus bar slot 1 are improved, the heat conduction rate is improved, the ceramic 52 is beryllium oxide ceramic, the ceramic has a high heat conduction, the drying of air around the bus duct 1 is effectively guaranteed, the moisture-proof effect is achieved, the fireproof layer 53 is a phenolic resin fireproof layer, the insulating property is good, the flame-retardant and heat-insulation effects are achieved, the mechanical property is good, and effective support can be provided for the bus duct 1;
the lower shell 4: the upper end of the protective plate is provided with an upper shell 3, the outer surface of the protective plate 5 is respectively connected with the inner wall surfaces of the upper shell 3 and the lower shell 4 in a sliding manner, the upper surface of the lower shell 4 is provided with a plugboard 41, the plugboard 41 is plugged into a slot arranged on the lower surface of the side wall of the upper shell 3, the plugboard 41 is fixedly connected with the lower end of the side wall of the shell 3 through a bolt 9, water is prevented from entering the inner part of the lower shell 4, and the sealing performance is;
the heat dissipation assembly 6: the heat dissipation assembly 6 comprises a connecting plate 61, heat conduction fins 62 and a dustproof net 63, the connecting plate 61 is fixedly connected with the middle of the upper surface and the middle of the lower surface of a cavity of the bus duct 1 respectively, the heat conduction fins 62 are symmetrically arranged on the left side surface and the right side surface of the connecting plate 61, the outer side surface of the dustproof net 63 is fixedly connected with the inner wall surface of the cavity of the bus duct 1, the dustproof net 63 is symmetrically arranged at the front end and the rear end of the cavity of the bus duct 1, the heat conduction fins 62 and the connecting plate 61 increase the contact area of the bus duct 1 and outside air, heat generated by the bus 2 is rapidly transferred to the outside through the heat conduction fins 62 and the connecting plate 61, the heat dissipation efficiency is greatly improved, the dustproof net 63 effectively prevents outside dust particles from entering;
first damper assembly 7: the first shock absorption assembly 7 comprises a matching groove 71, a connecting rod 72, a sliding block 73, a first spring 74 and a sliding groove 75, the matching groove 71 is symmetrically arranged at the lower end of the protection plate 5, the sliding groove 75 is symmetrically arranged on the upper surface of the bottom plate of the lower shell 4, the sliding block 73 is connected inside the sliding groove 75 in a sliding manner, the first spring 74 is arranged on each of the left side surface and the right side surface of the sliding block 73, one end, far away from the sliding block 73, of the first spring 74 is fixedly connected with the side surface corresponding to the sliding groove 75, the connecting rod 72 is rotatably connected to the upper end of the sliding block 73 through a pin shaft, the top end of the connecting rod 72 is rotatably connected with the side wall of the matching groove 71 through a pin shaft, when vibration occurs outside, the lower shell 4 drives the sliding block 73 to move upwards, the sliding block 73 slides inwards in the upward movement process, the first spring 74 on the inner side, the first spring 74 buffers the vibration of the lower shell 4, so that the vibration amplitude of the protection plate 5 is minimized, the vibration of the bus duct 1 and the bus 2 is minimized, the anti-seismic performance of the bus duct 1 is improved, the bus 2 is prevented from shaking, and the service life is prolonged;
second damper assembly 8: the symmetry sets up in the lower surface of guard plate 5 and the bottom plate upper surface of casing 4 down, second damper 8 includes sleeve 81, stem 82 and second spring 83, sleeve 81 fixed connection is in casing 4's bottom plate upper surface down, sleeve 81's internal face sliding connection has stem 82, sleeve 81's last fixed surface is connected with second spring 83, stem 82 and second spring 83's top all is connected with non-woven fabrics 51's lower fixed surface, stem 82 is located the inside of second spring 83, casing 4 drives sleeve 81 rebound down, sleeve 81 slides at the surface of stem 82, second spring 83 is compressed, second spring 83 all cushions casing 4's vibration down, further improve shock-absorbing capacity, avoid bus duct 1 casing 4 back-and-forth movement down relatively simultaneously, play limiting displacement.
Wherein: still include installation ear 11, installation ear 11 symmetry sets up in the left and right sides face bottom of casing 4 down, still includes mounting hole 10, and mounting hole 10 sets up in the inside of installation ear 11, and mounting hole 10 is notch type structure, the fixed mounting of casing 4 down of being convenient for.
When in use: the lower shell 4 is fixedly installed through the installation hole 10 of the installation lug 11, when vibration occurs outside, the lower shell 4 drives the sliding block 73 and the sleeve 81 to move upwards, the sliding block 73 slides inwards in the upward movement process, the first spring 74 on the inner side surface of the sliding block 73 is extruded, the first spring 74 on the outer side surface of the sliding block 73 is stretched, the sleeve 81 slides on the outer surface of the core column 82, the second spring 83 is compressed, the first spring 74 and the second spring 83 buffer the vibration of the lower shell 4, so that the vibration amplitude of the protection plate 5 is minimized, the vibration of the bus duct 1 and the bus bar 2 is minimized, the contact area between the bus duct 1 and outside air is increased by the heat conduction fins 62 and the connection plate 61, the heat generated by the bus bar 2 is rapidly transferred to the outside through the heat conduction fins 62 and the connection plate 61, the heat dissipation efficiency is greatly improved, the ceramic 52 is beryllium oxide ceramic, have very high coefficient of heat conductivity, can further improve the heat transfer efficiency to bus duct 1, make bus duct 1 heat spread fast, the non-woven fabrics 51 of pottery 52 surface can absorb moisture on every side, the drying of air has effectively guaranteed bus duct 1 on every side, the dampproofing effect has been played, flame retardant coating 53 is the phenolic resin flame retardant coating, it is good to have insulating properties, has fire-retardant thermal-insulated effect, mechanical properties is good, can provide effectual support to bus duct 1.
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 (8)
1. The utility model provides a high protection pouring bus duct which characterized in that: the heat dissipation device comprises a bus duct (1), a lower shell (4), a heat dissipation assembly (6), a first damping assembly (7) and a second damping assembly (8);
bus duct (1): buses (2) are equidistantly arranged in the bus duct (1), uniformly distributed cavities are arranged in the bus duct (1), the cavities of the bus duct (1) are positioned between the adjacent buses (2), and a protection plate (5) is arranged on the outer surface of the bus duct (1);
a lower case (4): the upper end of the protective plate is provided with an upper shell (3), and the outer surface of the protective plate (5) is respectively connected with the inner wall surfaces of the upper shell (3) and the lower shell (4) in a sliding way;
heat dissipation assembly (6): the cavity is arranged in the bus duct (1);
first damping assembly (7): are respectively arranged at the bottom end of the protection plate (5) and the upper end of the bottom plate of the lower shell (4);
second damping assembly (8): are symmetrically arranged on the lower surface of the protection plate (5) and the upper surface of the bottom plate of the lower shell (4)
Wherein: the novel shell is characterized by further comprising mounting ears (11), wherein the mounting ears (11) are symmetrically arranged at the bottom ends of the left side surface and the right side surface of the lower shell (4).
2. A high protection pouring bus duct of claim 1, characterized in that: protection plate (5) include non-woven fabrics (51), pottery (52) and flame retardant coating (53), the fixed surface of pottery (52) is connected with non-woven fabrics (51), the surface of non-woven fabrics (51) respectively with the internal surface sliding connection of last casing (3) and lower casing (4), the internal surface of pottery (52) is equipped with flame retardant coating (53), the internal surface of flame retardant coating (53) is connected with the fixed surface of bus duct (1).
3. A high protection pouring bus duct of claim 2, characterized in that: the ceramic (52) is beryllium oxide ceramic.
4. A high protection pouring bus duct of claim 1, characterized in that: radiating component (6) are including connecting plate (61), heat conduction fin (62) and dust screen (63), connecting plate (61) respectively with the cavity upper surface and the lower surface middle part fixed connection of bus duct (1), heat conduction fin (62) symmetry sets up in the left and right sides face of connecting plate (61), the lateral surface of dust screen (63) and the cavity internal face fixed connection of bus duct (1), both ends around dust screen (63) symmetry sets up the cavity of bus duct (1).
5. A high protection pouring bus duct of claim 1, characterized in that: first damper unit (7) are including cooperation groove (71), connecting rod (72), slider (73), first spring (74) and spout (75), cooperation groove (71) symmetry sets up in the lower extreme of guard plate (5), spout (75) symmetry sets up in the bottom plate upper surface of casing (4) down, the inside sliding connection of spout (75) has slider (73), the left and right sides face of slider (73) all is provided with first spring (74), the side fixed connection that one end and spout (75) that slider (73) were kept away from in first spring (74) correspond, the upper end of slider (73) is connected with connecting rod (72) through the round pin axle rotation, the top of connecting rod (72) is connected through the round pin axle and the lateral wall rotation of cooperation groove (71).
6. A high protection pouring bus duct of claim 2, characterized in that: second damper (8) include sleeve (81), stem (82) and second spring (83), sleeve (81) fixed connection has stem (82) in the bottom plate upper surface of casing (4) down, the internal face sliding connection of sleeve (81), and the last fixed surface of sleeve (81) is connected with second spring (83), and the top of stem (82) and second spring (83) all is connected with the lower fixed surface of non-woven fabrics (51), and stem (82) are located the inside of second spring (83).
7. A high protection pouring bus duct of claim 1, characterized in that: the upper surface of lower casing (4) is equipped with plugboard (41), and plugboard (41) are pegged graft inside the slot that sets up in upper casing (3) lateral wall lower surface, and plugboard (41) pass through bolt (9) fixed connection with the lateral wall lower extreme of casing (3).
8. A high protection pouring bus duct of claim 1, characterized in that: still include mounting hole (10), mounting hole (10) set up in the inside of installation ear (11), and mounting hole (10) are notch type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502769.9A CN111725754A (en) | 2020-06-05 | 2020-06-05 | High-protection pouring bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502769.9A CN111725754A (en) | 2020-06-05 | 2020-06-05 | High-protection pouring bus duct |
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| Publication Number | Publication Date |
|---|---|
| CN111725754A true CN111725754A (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010502769.9A Pending CN111725754A (en) | 2020-06-05 | 2020-06-05 | High-protection pouring bus duct |
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| CN (1) | CN111725754A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336473A (en) * | 2021-12-30 | 2022-04-12 | 江苏苏电电气科技有限公司 | Bus duct based on surface coating protection |
| CN114914866A (en) * | 2022-03-11 | 2022-08-16 | 江苏冠卓电气有限公司 | Sealing jig for intensive bus duct and using method thereof |
| CN115986654A (en) * | 2023-03-22 | 2023-04-18 | 四川西高电气有限公司 | Bus duct connecting equipment |
-
2020
- 2020-06-05 CN CN202010502769.9A patent/CN111725754A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114336473A (en) * | 2021-12-30 | 2022-04-12 | 江苏苏电电气科技有限公司 | Bus duct based on surface coating protection |
| CN114336473B (en) * | 2021-12-30 | 2024-02-23 | 江苏苏电电气科技有限公司 | Bus duct based on surface coating protection |
| CN114914866A (en) * | 2022-03-11 | 2022-08-16 | 江苏冠卓电气有限公司 | Sealing jig for intensive bus duct and using method thereof |
| CN114914866B (en) * | 2022-03-11 | 2023-10-20 | 江苏冠卓电气有限公司 | Sealing jig for intensive bus duct and application method of sealing jig |
| CN115986654A (en) * | 2023-03-22 | 2023-04-18 | 四川西高电气有限公司 | Bus duct connecting equipment |
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