CN207977703U - A kind of fracture automatic alarm type water proof bus bar slot - Google Patents
A kind of fracture automatic alarm type water proof bus bar slot Download PDFInfo
- Publication number
- CN207977703U CN207977703U CN201820404921.8U CN201820404921U CN207977703U CN 207977703 U CN207977703 U CN 207977703U CN 201820404921 U CN201820404921 U CN 201820404921U CN 207977703 U CN207977703 U CN 207977703U
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- China
- Prior art keywords
- bus duct
- connector
- oeuveres
- bors
- busbar
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Abstract
The utility model discloses a kind of fracture automatic alarm type water proof bus bar slots, including the first bus duct, the second bus duct, third bus duct, the 4th bus duct and slip lid, it is provided with the first Two bors d's oeuveres connector between the bottom and the top of the second bus duct of first bus duct, it is provided with the second Two bors d's oeuveres connector between the bottom and the top of the 4th bus duct of the third bus duct, the first antidetonation connector is installed between the one side and the one side of third bus duct of first bus duct.The fracture automatic alarm type water proof bus bar slot, compact-sized while disclosure satisfy that electricity consumption end diversified demand, shared installation space is small easy for installation, intensity is big, no magnetic hysteresis vortex generates, good heat dissipation effect fruit, and can prevent bus duct from shaking suddenly causes busbar to loosen or be damaged by hitting, with excellent water resistance, when fracture or short circuit occurs, so as to be vigilant staff, security risk can be effectively reduced excessively.
Description
Technical field
The utility model is related to bus duct technical field, specially a kind of fracture automatic alarm type water proof bus bar slot.
Background technology
Bus duct is a kind of closed metal device being made of copper, aluminium busbar column, is used for being each element of decentralized system
Relatively high power is distributed, indoors more and more instead of electric wire in the power Transmission trunk project project of low pressure,
Hong Kong, the Macao etc. of external developed country and China have popularized.Guangzhou Guangdong in China, all 12 layers or more Building Power Distributions
Room outlet leads to 90% bus duct used above of backbone of floor, 630KVA transformers to power distribution cabinet will use bus duct,
And it is this need increased trend year by year, bus duct has the safety that it runs severe as a kind of electrical equipment
It is required that in the process of running, once infiltration, which occurs, will lead to short circuit, power demand is influenced, it is serious even to cause fire etc. great
Safety accident endangers the person and property safety, therefore the waterproof problem of bus duct has been a concern, currently on the market anti-jellyfish
Wire casing also has very much, but cost is relatively high, and the bus duct of continuous developing low-cost high sealing water proofing property becomes bus duct city
An important need direction, and when bus duct short circuit or fracture, when staff fails to find in time, then can cause relatively tight
The security risk of weight.
Utility model content
The purpose of this utility model is to provide a kind of fracture automatic alarm type water proof bus bar slots, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions：A kind of fracture automatic alarm type waterproof bus
Slot, including the first bus duct, the second bus duct, third bus duct, the 4th bus duct and slip lid, the bottom of first bus duct
And second bus duct top between be provided with the first Two bors d's oeuveres connector, the bottom of the third bus duct and the 4th bus duct
It is provided with the second Two bors d's oeuveres connector between top, pacifies between the one side and the one side of third bus duct of first bus duct
Equipped with the first antidetonation connector, the one side of second bus duct and the one side of the 4th bus duct are equipped with the second antidetonation company
Fitting is separately installed with the first rigid silk ribbon and the second rigid silk between the first Two bors d's oeuveres connector and the second Two bors d's oeuveres connector
Band, the described first rigid silk ribbon and the second rigid silk ribbon cross arrangement, one end of the described first rigid silk ribbon connect with the first Two bors d's oeuveres
Fitting side is fixedly connected, and the other end of the first rigid silk ribbon is fixedly connected with the second Two bors d's oeuveres connector side, and described the
One end of two rigid silk ribbons is fixedly connected with the first Two bors d's oeuveres connector side, the other end of the second hardness silk ribbon and second pair
It joins fitting side to be fixedly connected, first bus duct, the second bus duct, third bus duct and the 4th busbar slot structure phase
Together, first bus duct includes that cover board, insulative water-proof cushion block, busbar, insulating waterproof layer, flame-retardant layer, beam, sealing are filled out
Material and beep alarm device, the busbar is equidistantly positioned in the inside of the first bus duct, and the both sides of the busbar are set
It is equipped with insulating waterproof layer, the both sides of the insulating waterproof layer are equipped with flame-retardant layer, and the both sides of the flame-retardant layer are equipped with beam,
Airtight and watertight padding is provided on the outside of the beam, the beep alarm device is fixedly mounted on the outside of the first bus duct, institute
It states and is fixedly connected with cover board at the top of the first bus duct, and insulative water-proof cushion block is installed between the cover board and busbar, institute
The basal sliding at the top and slip lid of stating cover board connects, and the first antidetonation connector and the second antidetonation connecting-piece structure are identical,
The first antidetonation connector includes sealing ring, pressing plate and spring, and the both ends of the spring are fixedly connected with pressing plate, described in two
Side of the pressing plate far from spring is fixedly connected with the first bus duct and third bus duct by sealing ring respectively, the buzzing report
Alarm device includes current sensor, microprocessor, alarm and power supply, the output end of the current sensor and microprocessor
Input terminal is electrically connected, and the output end of the microprocessor is electrically connected with the input terminal of alarm, the output end of the power supply with it is micro-
The input terminal of processor is electrically connected, and the busbar is electrically connected with current sensor.
Preferably, the bottom of the slip lid offers sliding slot, is fixedly connected at the top of the cover board and is adapted with sliding slot
Sliding block, and the sliding block of the cover board is slidably connected in the sliding slot of slip lid.
Preferably, the insulating waterproof layer and insulative water-proof cushion block are made of the cruel epoxy resin insulation material of poly- ammonia.
Preferably, the busbar outer surface is also laid with insulating layer, and insulating layer is poly- phthalimide thin-film composite membrane, silica gel
Cloth, alumina substrate, Teflon periosteum, poly- phthalimide casing tube film or high-temperature resistance plastice film.
Preferably, it is uniformly arranged inside first bus duct, the second bus duct, third bus duct and the 4th bus duct
There is busbar, it is anti-that each one end of the busbar far from the first Two bors d's oeuveres connector and the second Two bors d's oeuveres connector is both provided with insulation
One end of water cushion block, each insulative water-proof cushion block is mounted on cover board, and the two sides of each busbar are both provided with
The one side of insulating waterproof layer, the separate busbar of each insulating waterproof layer is both provided with flame-retardant layer, each described fire-retardant
One side of the layer far from each insulating waterproof layer is mounted on beam, and the one side of each beam is mounted on sealing
Filler.
Compared with prior art, the utility model has the beneficial effects that：
1, the fracture automatic alarm type water proof bus bar slot is connected using the sandwich of intensive busbar by the first Two bors d's oeuveres
Fitting and the second Two bors d's oeuveres connector connect each bus duct unit, and multiple combinations use, it is thus possible to it is various to meet electricity consumption end
Compact-sized while change demand, shared installation space is small easy for installation.
2, the fracture automatic alarm type water proof bus bar slot, bus duct shell are specifically as follows almag shell, and intensity is big,
No magnetic hysteresis vortex generates, good heat dissipation effect fruit, and by the way that beam is arranged, can prevent bus duct from shaking suddenly causes busbar loose
It is dynamic or impaired by hitting.
3, the fracture automatic alarm type water proof bus bar slot, by install the first antidetonation connector, the second antidetonation connector and
First rigid silk ribbon, it is impaired because shaking or hitting to enhance bus duct, takes multiple waterproof structure to protect bus duct, makes
Obtaining bus duct has excellent water resistance.
4, the fracture automatic alarm type water proof bus bar slot further increases the waterproof of bus duct by the way that airtight and watertight padding is arranged
Effect, when fracture or short circuit occur for bus duct, so as to be vigilant staff, can have been crossed by installing beep alarm device
Effect reduces security risk, and two springs of setting make each bus duct by uniform spring force.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of the first bus duct of the utility model；
Fig. 3 is the structural schematic diagram of the utility model the first antidetonation connector；
Fig. 4 is the utility model partial structural diagram；
Fig. 5 the utility model control system figures.
In figure：1 second bus duct, 2 cover boards, 3 the 4th bus ducts, 4 slip lids, 5 beep alarm devices, 6 busbars, 7 insulation
Waterproof layer, 8 flame-retardant layers, 9 beams, 10 airtight and watertight paddings, 11 insulative water-proof cushion blocks, 12 sealing rings, 13 springs, 14 pressing plates, 15
One rigid silk ribbon, 16 first Two bors d's oeuveres connectors, 17 first bus ducts, 18 third bus ducts, 19 first antidetonation connectors, 20 second
Antidetonation connector, 21 second Two bors d's oeuveres connectors, 22 second rigid silk ribbons, 23 current sensors, 24 power supplys, 25 microprocessors, 26
Alarm.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of fracture automatic alarm type water proof bus bar slot,
Specifically may be used including the first bus duct 17, the second bus duct 1, third bus duct 18, the 4th bus duct 3 and slip lid 4, bus duct shell
Think almag shell, intensity is big, and no magnetic hysteresis vortex generates, good heat dissipation effect fruit, the bottom and second of the first bus duct 17
The first Two bors d's oeuveres connector 16, the top of the bottom of third bus duct 18 and the 4th bus duct 3 are provided between the top of bus duct 1
Between be provided with the second Two bors d's oeuveres connector 21, installed between the one side and the one side of third bus duct 18 of the first bus duct 17
There are the first antidetonation connector 19, the one side of the second bus duct 1 and the one side of the 4th bus duct 3 that the connection of second antidetonation is installed
Part 20 is separately installed with 15 and second hardness of the first rigid silk ribbon between first Two bors d's oeuveres connector 16 and the second Two bors d's oeuveres connector 21
Silk ribbon 22,15 and second 22 cross arrangement of rigid silk ribbon of the first rigid silk ribbon, one end of the first rigid silk ribbon 15 and the first Two bors d's oeuveres
16 side of connector is fixedly connected, and the other end of the first rigid silk ribbon 15 is fixedly connected with 21 side of the second Two bors d's oeuveres connector, the
One end of two rigid silk ribbons 22 is fixedly connected with 16 side of the first Two bors d's oeuveres connector, passes through the first Two bors d's oeuveres connector 16 and second pair
It joins fitting 21 to connect each bus duct unit, refers to the splicing construction for connecting each bus duct unit, it is specific to tie
Structure can not be limited according to actual use situation, and multiple combinations use, it is thus possible to meet the same of electricity consumption end diversified demand
When, compact-sized, shared installation space is small easy for installation, the other end and the second Two bors d's oeuveres connector 21 1 of the second rigid silk ribbon 22
Side is fixedly connected, and the first bus duct 17, the second bus duct 1, third bus duct 18 are identical with 3 structure of the 4th bus duct, and first is female
Wire casing 17 includes cover board 2, insulative water-proof cushion block 11, busbar 6, insulating waterproof layer 7, flame-retardant layer 8, beam 9, airtight and watertight padding 10
With beep alarm device 5, busbar 6 is equidistantly positioned in the inside of the first bus duct 17, and 6 outer surface of busbar is also laid with absolutely
Edge layer, insulating layer be poly- phthalimide thin-film composite membrane, silica gel cloth, alumina substrate, Teflon periosteum, poly- phthalimide casing tube film or
High-temperature resistance plastice film, and the both sides of busbar 6 are provided with insulating waterproof layer 7 so that bus duct has excellent water resistance, absolutely
The both sides of edge waterproof layer 7 are equipped with flame-retardant layer 8, and the both sides of flame-retardant layer 8 are equipped with beam 9, can be with by the way that beam 9 is arranged
Preventing bus duct from shaking suddenly causes busbar 6 to loosen or be damaged by hitting, and the outside of beam 9 is provided with airtight and watertight padding
10, the waterproof effect of bus duct is further increased, beep alarm device 5 is fixedly mounted on the outside of the first bus duct 17, in mother
When fracture or short circuit occur for wire casing, so as to be vigilant staff, security risk, the top of the first bus duct 17 can be effectively reduced excessively
Portion is fixedly connected with cover board 2, and insulative water-proof cushion block 11 is equipped between cover board 2 and busbar 6, insulating waterproof layer 7 and insulation
Waterproof pad 11 is made of the cruel epoxy resin insulation material of poly- ammonia, and the top of cover board 2 is connect with the basal sliding of slip lid 4, sliding
The bottom of lid 4 offers sliding slot, and the top of cover board 2 is fixedly connected with sliding block compatible with sliding slot, and the sliding block sliding of cover board 2
Be connected in the sliding slot of slip lid 4, the first antidetonation connector 19 is identical with 20 structure of the second antidetonation connector, enhance bus duct because
Concussion or shock are impaired, and the first antidetonation connector 19 includes sealing ring 12, pressing plate 14 and spring 13, and the both ends of spring 13, which are fixed, to be connected
It is connected to pressing plate 14, two sides of the pressing plate 14 far from spring 13 are female with the first bus duct 17 and third respectively by sealing ring 12
Wire casing 18 is fixedly connected, the first bus duct 17, the second bus duct 1, third bus duct 18 and the 4th bus duct 3 the inside uniformly set
It is equipped with busbar 6, the one end of each busbar 6 far from the first Two bors d's oeuveres connector 16 and the second Two bors d's oeuveres connector 21 is both provided with absolutely
One end of edge waterproof pad 11, each insulative water-proof cushion block 11 is mounted on cover board 2, and the two sides of each busbar 6 are respectively provided with
There are insulating waterproof layer 7, the one side of the separate busbar 6 of each insulating waterproof layer 7 to be both provided with flame-retardant layer 8, each flame-retardant layer 8
One side far from each insulating waterproof layer 7 is mounted on beam 9, and the one side of each beam 9 is mounted on sealing and fills out
Material 10, beep alarm device 5 include current sensor 23, microprocessor 25, alarm 26 and power supply 24, current sensor 23
Output end is electrically connected with the input terminal of microprocessor 25, and the output end of microprocessor 25 is electrically connected with the input terminal of alarm 26,
The output end of power supply 24 is electrically connected with the input terminal of microprocessor 25, and busbar 6 is electrically connected with current sensor 23.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating currents, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control, involved in this article to correlation module be hardware system module or be existing
The function module that technology Computer Software program or agreement are combined with hardware, the computer involved by the function module are soft
The technology of part program or agreement being well known to those skilled in the art in itself is not the improvements of this system；This system
Be improved to the interaction relationship between each module or connection relation, as the whole construction of system is improved, with
Solve the problems, such as this system relevant art to be solved.
Operation principle：The connection of the first Two bors d's oeuveres is provided between the bottom of first bus duct 17 and the top of the second bus duct 1
Part 16 is provided with the second Two bors d's oeuveres connector 21, the first busbar between the bottom of third bus duct 18 and the top of the 4th bus duct 3
First antidetonation connector 19 is installed between the one side and the one side of third bus duct 18 of slot 17, the one of the second bus duct 1
The one side of side and the 4th bus duct 3 is equipped with the second antidetonation connector 20, and the first Two bors d's oeuveres connector 16 and the second Two bors d's oeuveres connect
15 and second rigid silk ribbon 22 of the first rigid silk ribbon, 15 and second rigid silk of the first rigid silk ribbon are separately installed between fitting 21
One end of 22 cross arrangement of band, the first rigid silk ribbon 15 is fixedly connected with 16 side of the first Two bors d's oeuveres connector, the first rigid silk ribbon
15 other end is fixedly connected with two Two bors d's oeuveres connectors, 21 side, one end of the second rigid silk ribbon 22 and the first Two bors d's oeuveres connector 16
Side is fixedly connected, and the other end of the second rigid silk ribbon 22 is fixedly connected with 21 side of the second Two bors d's oeuveres connector, the first bus duct
17, the second bus duct 1, third bus duct 18 are identical with 3 structure of the 4th bus duct, and the first bus duct 17 includes cover board 2, insulate and prevent
Water cushion block 11, busbar 6, insulating waterproof layer 7, flame-retardant layer 8, beam 9, airtight and watertight padding 10 and beep alarm device 5, busbar
6 are equidistantly positioned in the inside of the first bus duct 17, and the both sides of busbar 6 are provided with insulating waterproof layer 7, insulating waterproof layer 7
Both sides flame-retardant layer 8 is installed, the both sides of flame-retardant layer 8 are equipped with beam 9, and the outside of beam 9 is provided with airtight and watertight padding 10,
The top of first bus duct 17 is fixedly connected with cover board 2, and insulative water-proof cushion block 11 is equipped between cover board 2 and busbar 6, lid
The top of plate 2 is connect with the basal sliding of slip lid 4, two sides of the pressing plate 14 far from spring 13 by sealing ring 12 respectively with
First bus duct 17 is fixedly connected with third bus duct 18, and bus duct fracture, busbar electric current 6 interrupts, and signal is transmitted to electric current biography
Sensor 23, current sensor 23 transmit a signal to microprocessor 25 again, and microprocessor 25 is again passed signal by alarm 26
Broadcast is gone.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of fracture automatic alarm type water proof bus bar slot, including the first bus duct (17), the second bus duct (1), third busbar
Slot (18), the 4th bus duct (3) and slip lid (4), it is characterised in that：The bottom of first bus duct (17) and the second bus duct
(1) the first Two bors d's oeuveres connector (16), the bottom of the third bus duct (18) and the 4th bus duct (3) are provided between top
Top between be provided with the second Two bors d's oeuveres connector (21), the one side and third bus duct (18) of first bus duct (17)
One side between the first antidetonation connector (19), the one side and the 4th bus duct (3) of second bus duct (1) are installed
One side the second antidetonation connector (20) is installed, the first Two bors d's oeuveres connector (16) and the second Two bors d's oeuveres connector (21) it
Between be separately installed with the first rigid silk ribbon (15) and the second rigid silk ribbon (22), the described first rigid silk ribbon (15) and second rigid
One end of silk ribbon (22) cross arrangement, the described first rigid silk ribbon (15) is fixedly connected with first Two bors d's oeuveres connector (16) side,
The other end of described first rigid silk ribbon (15) is fixedly connected with second Two bors d's oeuveres connector (21) side, the described second rigid silk ribbon
(22) one end is fixedly connected with first Two bors d's oeuveres connector (16) side, the other end and second of the described second rigid silk ribbon (22)
Two bors d's oeuveres connector (21) side is fixedly connected, first bus duct (17), the second bus duct (1), third bus duct (18) and
4th bus duct (3) structure is identical, and first bus duct (17) includes cover board (2), insulative water-proof cushion block (11), busbar
(6), insulating waterproof layer (7), flame-retardant layer (8), beam (9), airtight and watertight padding (10) and beep alarm device (5), the conduction
Row (6) is equidistantly positioned in the inside of the first bus duct (17), and the both sides of the busbar (6) are provided with insulating waterproof layer
(7), the both sides of the insulating waterproof layer (7) are equipped with flame-retardant layer (8), and the both sides of the flame-retardant layer (8) are equipped with beam
(9), airtight and watertight padding (10) is provided on the outside of the beam (9), the beep alarm device (5) is fixedly mounted on the first mother
The outside of wire casing (17) is fixedly connected with cover board (2), and the cover board (2) and conduction at the top of first bus duct (17)
Insulative water-proof cushion block (11) is installed between row (6), the top of the cover board (2) is connect with the basal sliding of slip lid (4), described
First antidetonation connector (19) is identical with the second antidetonation connector (20) structure, and the first antidetonation connector (19) includes sealing
Circle (12), pressing plate (14) and spring (13), the both ends of the spring (13) are fixedly connected with pressing plate (14), two pressing plates
(14) side far from spring (13) is solid with the first bus duct (17) and third bus duct (18) respectively by sealing ring (12)
Fixed connection, the beep alarm device (5) includes current sensor (23), microprocessor (25), alarm (26) and power supply
(24), the output end of the current sensor (23) is electrically connected with the input terminal of microprocessor (25), the microprocessor (25)
Output end be electrically connected with the input terminal of alarm (26), the input terminal of the output end and microprocessor (25) of the power supply (24)
Electrical connection, the busbar (6) are electrically connected with current sensor (23).
2. a kind of fracture automatic alarm type water proof bus bar slot according to claim 1, it is characterised in that：The slip lid (4)
Bottom offer sliding slot, sliding block compatible with sliding slot, and the cover board (2) are fixedly connected at the top of the cover board (2)
Sliding block be slidably connected in the sliding slot of slip lid (4).
3. a kind of fracture automatic alarm type water proof bus bar slot according to claim 1, it is characterised in that：The insulative water-proof
Layer (7) and insulative water-proof cushion block (11) are made of the cruel epoxy resin insulation material of poly- ammonia.
4. a kind of fracture automatic alarm type water proof bus bar slot according to claim 1, it is characterised in that：The busbar
(6) outer surface is also laid with insulating layer, and insulating layer is poly- phthalimide thin-film composite membrane, silica gel cloth, alumina substrate, Teflon pipe
Film, poly- phthalimide casing tube film or high-temperature resistance plastice film.
5. a kind of fracture automatic alarm type water proof bus bar slot according to claim 1, it is characterised in that：First busbar
It is evenly arranged with busbar (6) inside slot (17), the second bus duct (1), third bus duct (18) and the 4th bus duct (3),
The each one end of the busbar (6) far from the first Two bors d's oeuveres connector (16) and the second Two bors d's oeuveres connector (21) is both provided with insulation
One end of waterproof pad (11), each insulative water-proof cushion block (11) is mounted on cover board (2), each busbar (6)
Two sides be both provided with insulating waterproof layer (7), the one side of the separate busbar (6) of each insulating waterproof layer (7) is equal
It is provided with flame-retardant layer (8), each one side of the flame-retardant layer (8) far from each insulating waterproof layer (7) is mounted on beam
(9), the one side of each beam (9) is mounted on airtight and watertight padding (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404921.8U CN207977703U (en) | 2018-03-25 | 2018-03-25 | A kind of fracture automatic alarm type water proof bus bar slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404921.8U CN207977703U (en) | 2018-03-25 | 2018-03-25 | A kind of fracture automatic alarm type water proof bus bar slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207977703U true CN207977703U (en) | 2018-10-16 |
Family
ID=63764699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820404921.8U Expired - Fee Related CN207977703U (en) | 2018-03-25 | 2018-03-25 | A kind of fracture automatic alarm type water proof bus bar slot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207977703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145995A (en) * | 2019-12-10 | 2020-05-12 | 南昌顺景科技有限公司 | Voltage unit body structure of combined transformer |
| CN111987676A (en) * | 2020-08-25 | 2020-11-24 | 镇江市美盛母线有限公司 | Modular multistage bus duct structure |
-
2018
- 2018-03-25 CN CN201820404921.8U patent/CN207977703U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145995A (en) * | 2019-12-10 | 2020-05-12 | 南昌顺景科技有限公司 | Voltage unit body structure of combined transformer |
| CN111987676A (en) * | 2020-08-25 | 2020-11-24 | 镇江市美盛母线有限公司 | Modular multistage bus duct structure |
| CN111987676B (en) * | 2020-08-25 | 2021-09-14 | 镇江市美盛母线有限公司 | Modular multistage bus duct structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20190325 |