CN205212370U - Low pressure bus duct with quick cooling function - Google Patents
Low pressure bus duct with quick cooling function Download PDFInfo
- Publication number
- CN205212370U CN205212370U CN201520892855.XU CN201520892855U CN205212370U CN 205212370 U CN205212370 U CN 205212370U CN 201520892855 U CN201520892855 U CN 201520892855U CN 205212370 U CN205212370 U CN 205212370U
- Authority
- CN
- China
- Prior art keywords
- bus duct
- boss
- parts
- bus
- length direction
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a low pressure bus duct with quick cooling function, first bus duct and second bus duct including two parallel arrangement, first bus duct is located the second bus duct directly over, lower terminal surface downwardly extending along first bus duct length direction has the boss, prolong its length direction and seted up the water cavity inside the boss, and the constant head tank of a plurality of equidistant settings is offered to the terminal surface under the boss, install busbar conductor in the constant head tank, be equipped with the import along boss length direction one end, the other end is equipped with the export, second bus duct up end is equipped with the boss with first bus duct looks isostructure, the utility model is not only simple in structure, the installation is convenient with the dismantlement, and heat dispersion is good, reduces the busbar conductor temperature in the bus duct rapidly, makes it work under the stationary temperature, increases life to the current -carrying capacity is big, and work efficiency is high, and is with low costs, safe and reliable, and suitable operating temperature can be selected according to the operating mode needs to the flexible operation.
Description
Technical field
The utility model relates to bus duct, specifically a kind of low voltage bus bar groove with quick cooling function.
Background technology
Current low voltage bus bar groove uses with industrial production in a large number, and use general, but in use owing to being arranged in airtight space, heat dispersion is poor, when causing work, temperature is too high and greatly reduce useful life, cause short circuit, and ampacity is low, the normal work of impact, increases cost.
Utility model content
Technical problem to be solved in the utility model is, for the shortcoming of above prior art, proposes a kind of low voltage bus bar groove with quick cooling function, not only structure is simple, and installation and removal are convenient, perfect heat-dissipating, bus-bars conductor temperature in rapid reduction bus duct, makes it work at a constant temperature, increases useful life, and ampacity is large, operating efficiency is high, and cost is low, safe and reliable, flexible operation, can need to select applicable working temperature according to operating mode.
In order to solve the problems of the technologies described above, the technical solution of the utility model is achieved in the following ways: a kind of low voltage bus bar groove with quick cooling function, comprise two the first bus ducts and the second bus duct be arranged in parallel, first bus duct is positioned at directly over the second bus duct, lower surface along the first busduct length direction is extended with boss downwards, prolong its length direction in boss inside and offer water cavity, and boss lower surface offers the location notch of multiple spaced set, in location notch, bus-bars conductor is installed, import is provided with along one end, land length direction, the other end is provided with outlet, second bus duct upper surface is provided with the boss with the first bus duct same structure.
Like this, pass through the technical program, in the first bus duct and the second bus duct, water cavity is set, and import and outlet are set, when when bus-bars conductor works, temperature is too high, in water cavity, pass into cryogenic liquid or Cryogenic air, effectively can reduce rapidly the temperature of bus-bars conductor, radiating effect is remarkable, also can inject certain water continued down in water cavity simultaneously, increase the useful life of bus-bars conductor, and ampacity is large, operating efficiency is high, cost is low, safe and reliable, flexible operation, can need to select applicable working temperature according to operating mode.
The technical scheme that the utility model limits further is:
The aforesaid low voltage bus bar groove with quick cooling function, the both sides being positioned at boss in the first bus duct lower surface are provided with the first joint pin, first joint pin lower surface offers the first counterbore, second bus duct upper surface is provided with the second joint pin matched with the first joint pin, second joint pin upper end is provided with the backstay for being set in the first counterbore, backstay is set like this and can makes the first bus duct and the second bus duct location fast, improve installation rate and installation accuracy, coordinate close and firm.
The aforesaid low voltage bus bar groove with quick cooling function, water cavity surface scribbles anti-corrosion and high strength ceramic layer, the component of this anti-corrosion and high strength ceramic layer is counted by weight: phyllite: 12-15 part, lime alkali glaze: 12-15 part, tourmaline: 10-12 part, cupric oxide: 5-7 part, alundum (Al2O3): 1-3 part, purple clay: 2-3 part, kaolin: 20-25 part, rutile: 17-19 part, graphite powder: 2-4 part, aluminium powder: 1-3 part, paraffin: 1-2 part, auxiliary agent: 5-7 part, talcum powder: 5-8 part, clay: 40-44 part;
The component of auxiliary agent is counted by weight: forsterite: 15-17 part, aluminium oxide: 13-15 part, deionized water: 40-45 part, nano zircite: 28-30 part, cerium oxide: 20-25 part, zinc powder: 5-8 part;
The preparation method of auxiliary agent is: by forsterite, aluminium oxide, cerium oxide, zinc powder co-grinding, crosses 40 mesh sieves, obtains powders A, then by powders A and the nano zircite ratio co-grinding in 10:1, cross 70 mesh sieves, obtain powder B, then add deionized water and stirring reaction 35-55 minute, then filter, dry, pulverize, cross 100 mesh sieves, under nitrogen atmosphere, after calcining 2-3 hour at being heated to 800-820 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
The aforesaid low voltage bus bar groove with quick cooling function, wherein the preparation technology of anti-corrosion and high strength ceramic layer carries out according to the following steps:
Step (1): by phyllite, lime alkali glaze, tourmaline, cupric oxide, alundum (Al2O3) mixing, then ball mill abrasive dust is put into, cross 40 mesh sieves, again purple clay, kaolin, rutile, graphite powder are sent into ball milling 8-10 hour in ball mill, then temperature is increased to 420-430 DEG C, insulation 1-3 hour, and then add aluminium powder, paraffin, talcum powder, clay, and temperature is increased to 670-680 DEG C, calcining 2-4 hour, then with the speed air cooling of 5-8 DEG C/s to 220-230 DEG C, then pulverize, cross 100 mesh sieves, obtain powder particle A;
Step (2): by powder particle A using nitrogen as protective gas, calcines 1-3 hour at 960-1050 DEG C, then with 10-12 DEG C/s speed air cooling to room temperature, send into ball mill abrasive dust, cross 120 mesh sieves, obtain powder particle B;
Step (3): the powder particle B that auxiliary agent and step (2) obtain is mixed and stirs, is heated to 1000-1020 DEG C, and calcines 1-3 hour, then with the speed water-cooled of 15-18 DEG C/s to 440-460 DEG C, pulverize, cross 120 mesh sieves, obtain powder particle C;
Step (4): the powder particle C that step (3) obtains is applied to water cavity surface uniformly, thickness is 0.5-0.8mm, and to its surface heating to 230-240 DEG C, insulation 1-3 hour, then 320-340 DEG C is being heated to, insulation 5-8 hour, then air-cooled to room temperature with the speed of 5-8 DEG C/s.
The beneficial effects of the utility model are: in the first bus duct and the second bus duct, arrange water cavity, and import and outlet are set, when when bus-bars conductor works, temperature is too high, cryogenic liquid or Cryogenic air is passed in water cavity, effectively can reduce rapidly the temperature of bus-bars conductor, radiating effect is remarkable, also can inject certain water continued down in water cavity simultaneously, increase the useful life of bus-bars conductor, and ampacity is large, operating efficiency is high, cost is low, safe and reliable, flexible operation, can need to select applicable working temperature according to operating mode;
And in water cavity, scribble anti-corrosion and high strength ceramic layer, ceramic layer not only intensity is high, resistance to corrosion and oxidation resistance extremely strong, and the rub resistance ability on its surface improves greatly, reduces its wearing and tearing, increase its useful life, ceramic layer excellent adsorption, and preparation technology is provided, method is simple, cost is low, and production efficiency is high; Wherein add phyllite, lime alkali glaze, tourmaline in ceramic layer, the intensity of pottery can not only be increased, can also be improved it corrosion-resistant, the performance of high temperature resistant and rub resistance, and increase its useful life, and add purple clay, kaolin, rutile, the effect of catalyst can be played in process of production, and intensity and the corrosion resistance of ceramic layer can be improved, and in auxiliary agent, have cerium oxide and zinc powder, increase intensity and the resistance to elevated temperatures of ceramic layer.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the cutaway view of B-B in Fig. 1;
Fig. 3 is the cutaway view of D-D in Fig. 1
Fig. 4 is structural representation of the present utility model;
Wherein: 1-first bus duct, 2-second bus duct, 3-boss, 4-water cavity, 5-location notch, 6-import, 7-exports, 8-bus-bars conductor, 9-first joint pin, 10-first counterbore, 11-second joint pin, 12-backstay.
Embodiment
Below the utility model is described in further detail:
embodiment 1
A kind of low voltage bus bar groove with quick cooling function that the present embodiment provides, comprise two the first bus duct 1 and the second bus ducts 2 be arranged in parallel, first bus duct 1 is positioned at directly over the second bus duct 2, lower surface along the first bus duct 1 length direction is extended with boss 3 downwards, prolong its length direction in boss 3 inside and offer water cavity 4, and boss 3 lower surface offers the location notch 5 of four spaced sets, bus-bars conductor 8 is installed in location notch 5, import 6 is provided with along boss 3 length direction one end, the other end is provided with outlet 7, second bus duct 2 upper surface is provided with the boss 3 with the first bus duct 1 same structure,
The both sides being positioned at boss 3 in the first bus duct 1 lower surface are provided with the first joint pin 9, first joint pin 9 lower surface offers the first counterbore 10, second bus duct 2 upper surface is provided with second joint pin 11, second joint pin 11 upper end of matching with the first joint pin 9 and is provided with backstay 12 for being set in the first counterbore 10;
Water cavity surface scribbles anti-corrosion and high strength ceramic layer, and the component of this anti-corrosion and high strength ceramic layer is counted by weight: phyllite: 12 parts, lime alkali glaze: 12 parts, tourmaline: 10 parts, cupric oxide: 5 parts, alundum (Al2O3): 1 part, purple clay: 2 parts, kaolin: 20 parts, rutile: 17 parts, graphite powder: 2 parts, aluminium powder: 1 part, paraffin: 1 part, auxiliary agent: 5 parts, talcum powder: 5 parts, clay: 40-44 part;
The component of auxiliary agent is counted by weight: forsterite: 15 parts, aluminium oxide: 13 parts, deionized water: 40 parts, nano zircite: 28 parts, cerium oxide: 20 parts, zinc powder: 5 parts;
The preparation method of auxiliary agent is: by forsterite, aluminium oxide, cerium oxide, zinc powder co-grinding, crosses 40 mesh sieves, obtains powders A, then by powders A and the nano zircite ratio co-grinding in 10:1, cross 70 mesh sieves, obtain powder B, then add deionized water and stirring and react 35 minutes, then filter, dry, pulverize, cross 100 mesh sieves, under nitrogen atmosphere, calcine after 2 hours at being heated to 800 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained;
Wherein the preparation technology of anti-corrosion and high strength ceramic layer carries out according to the following steps:
Step (1): by phyllite, lime alkali glaze, tourmaline, cupric oxide, alundum (Al2O3) mixing, then ball mill abrasive dust is put into, cross 40 mesh sieves, again purple clay, kaolin, rutile, graphite powder to be sent in ball mill ball milling 8 hours, then temperature is increased to 420 DEG C, be incubated 1 hour, and then add aluminium powder, paraffin, talcum powder, clay, and temperature is increased to 670 DEG C, calcine 2 hours, then with the speed air cooling to 220 DEG C of 5 DEG C/s, then pulverize, cross 100 mesh sieves, obtain powder particle A;
Step (2): by powder particle A using nitrogen as protective gas, calcines 1 hour at 960 DEG C, then with 10 DEG C/s speed air cooling to room temperature, send into ball mill abrasive dust, cross 120 mesh sieves, obtain powder particle B;
Step (3): the powder particle B that auxiliary agent and step (2) obtain is mixed and stirred, is heated to 1000 DEG C, and calcines 1 hour, then with the speed water-cooled to 440 DEG C of 15 DEG C/s, pulverizes, crosses 120 mesh sieves, obtain powder particle C;
Step (4): the powder particle C that step (3) obtains is applied to water cavity surface uniformly, and thickness is 0.5mm, and to its surface heating to 230 DEG C, be incubated 1 hour, then be heated to 320 DEG C, be incubated 5 hours, then air-cooled to room temperature with the speed of 5 DEG C/s.
embodiment 2
A kind of low voltage bus bar groove with quick cooling function that the present embodiment provides, this structure with the low voltage bus bar groove of quick cooling function is identical with the structure of embodiment 1;
Wherein water cavity surface scribbles anti-corrosion and high strength ceramic layer, and the component of this anti-corrosion and high strength ceramic layer is counted by weight: phyllite: 13 parts, lime alkali glaze: 14 parts, tourmaline: 11 parts, cupric oxide: 6 parts, alundum (Al2O3): 2 parts, purple clay: 2 parts, kaolin: 24 parts, rutile: 18 parts, graphite powder: 3 parts, aluminium powder: 2 parts, paraffin: 2 parts, auxiliary agent: 6 parts, talcum powder: 7 parts, clay: 42 parts;
The component of auxiliary agent is counted by weight: forsterite: 16 parts, aluminium oxide: 14 parts, deionized water: 42 parts, nano zircite: 29 parts, cerium oxide: 24 parts, zinc powder: 6 parts;
The preparation method of auxiliary agent is: by forsterite, aluminium oxide, cerium oxide, zinc powder co-grinding, crosses 40 mesh sieves, obtains powders A, then by powders A and the nano zircite ratio co-grinding in 10:1, cross 70 mesh sieves, obtain powder B, then add deionized water and stirring and react 40 minutes, then filter, dry, pulverize, cross 100 mesh sieves, under nitrogen atmosphere, calcine after 2.6 hours at being heated to 810 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained;
Wherein the preparation technology of anti-corrosion and high strength ceramic layer carries out according to the following steps:
Step (1): by phyllite, lime alkali glaze, tourmaline, cupric oxide, alundum (Al2O3) mixing, then ball mill abrasive dust is put into, cross 40 mesh sieves, again purple clay, kaolin, rutile, graphite powder to be sent in ball mill ball milling 10 hours, then temperature is increased to 430 DEG C, be incubated 3 hours, and then add aluminium powder, paraffin, talcum powder, clay, and temperature is increased to 680 DEG C, calcine 4 hours, then with the speed air cooling to 230 DEG C of 8 DEG C/s, then pulverize, cross 100 mesh sieves, obtain powder particle A;
Step (2): by powder particle A using nitrogen as protective gas, calcines 3 hours at 1050 DEG C, then with 12 DEG C/s speed air cooling to room temperature, send into ball mill abrasive dust, cross 120 mesh sieves, obtain powder particle B;
Step (3): the powder particle B that auxiliary agent and step (2) obtain is mixed and stirred, is heated to 1020 DEG C, and calcines 3 hours, then with the speed water-cooled to 460 DEG C of 18 DEG C/s, pulverizes, crosses 120 mesh sieves, obtain powder particle C;
Step (4): the powder particle C that step (3) obtains is applied to water cavity surface uniformly, and thickness is 0.8mm, and to its surface heating to 240 DEG C, be incubated 3 hours, then be heated to 340 DEG C, be incubated 8 hours, then air-cooled to room temperature with the speed of 8 DEG C/s.
embodiment 3
A kind of low voltage bus bar groove with quick cooling function that the present embodiment provides, this structure with the low voltage bus bar groove of quick cooling function is identical with the structure of embodiment 1;
Wherein water cavity surface scribbles anti-corrosion and high strength ceramic layer, and the component of this anti-corrosion and high strength ceramic layer is counted by weight: phyllite: 13 parts, lime alkali glaze: 14 parts, tourmaline: 11 parts, cupric oxide: 6 parts, alundum (Al2O3): 2 parts, purple clay: 2 parts, kaolin: 24 parts, rutile: 18 parts, graphite powder: 3 parts, aluminium powder: 2 parts, paraffin: 2 parts, auxiliary agent: 6 parts, talcum powder: 7 parts, clay: 42 parts;
The component of auxiliary agent is counted by weight: forsterite: 16 parts, aluminium oxide: 14 parts, deionized water: 42 parts, nano zircite: 29 parts, cerium oxide: 24 parts, zinc powder: 6 parts;
The preparation method of auxiliary agent is: by forsterite, aluminium oxide, cerium oxide, zinc powder co-grinding, crosses 40 mesh sieves, obtains powders A, then by powders A and the nano zircite ratio co-grinding in 10:1, cross 70 mesh sieves, obtain powder B, then add deionized water and stirring and react 40 minutes, then filter, dry, pulverize, cross 100 mesh sieves, under nitrogen atmosphere, calcine after 2.6 hours at being heated to 810 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained;
Wherein the preparation technology of anti-corrosion and high strength ceramic layer carries out according to the following steps:
Step (1): by phyllite, lime alkali glaze, tourmaline, cupric oxide, alundum (Al2O3) mixing, then ball mill abrasive dust is put into, cross 40 mesh sieves, again purple clay, kaolin, rutile, graphite powder to be sent in ball mill ball milling 9 hours, then temperature is increased to 425 DEG C, be incubated 2 hours, and then add aluminium powder, paraffin, talcum powder, clay, and temperature is increased to 675 DEG C, calcine 3 hours, then with the speed air cooling to 228 DEG C of 6 DEG C/s, then pulverize, cross 100 mesh sieves, obtain powder particle A;
Step (2): by powder particle A using nitrogen as protective gas, calcines 2 hours at 980 DEG C, then with 11 DEG C/s speed air cooling to room temperature, send into ball mill abrasive dust, cross 120 mesh sieves, obtain powder particle B;
Step (3): the powder particle B that auxiliary agent and step (2) obtain is mixed and stirred, is heated to 1010 DEG C, and calcines 2 hours, then with the speed water-cooled to 448 DEG C of 17 DEG C/s, pulverizes, crosses 120 mesh sieves, obtain powder particle C;
Step (4): the powder particle C that step (3) obtains is applied to water cavity surface uniformly, and thickness is 0.7mm, and to its surface heating to 238 DEG C, be incubated 2 hours, then be heated to 330 DEG C, be incubated 7 hours, then air-cooled to room temperature with the speed of 6 DEG C/s.
Like this by the technical solution of the utility model, not only structure is simple, and installation and removal are convenient, perfect heat-dissipating, bus-bars conductor temperature in rapid reduction bus duct, makes it work at a constant temperature, increases useful life, and ampacity is large, operating efficiency is high, and cost is low, safe and reliable, flexible operation, can need to select applicable working temperature according to operating mode.
Above embodiment is only and technological thought of the present utility model is described; protection range of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technical scheme basis is done, all falls within the utility model protection range.
Claims (2)
1. one kind has the low voltage bus bar groove of quick cooling function, comprise two the first bus ducts (1) and the second bus duct (2) be arranged in parallel, it is characterized in that: described first bus duct (1) is positioned at directly over the second bus duct (2), lower surface along described first bus duct (1) length direction is extended with boss (3) downwards, prolong its length direction in described boss (3) inside and offer water cavity (4), and described boss (3) lower surface offers the location notch (5) of multiple spaced set, bus-bars conductor (8) is installed in described location notch (5), import (6) is provided with along described boss (3) length direction one end, the other end is provided with outlet (7), described second bus duct (2) upper surface is provided with the boss (3) with the first bus duct (1) same structure.
2. the low voltage bus bar groove with quick cooling function according to claim 1, it is characterized in that: the both sides being positioned at boss (3) in described first bus duct (1) lower surface are provided with the first joint pin (9), described first joint pin (9) lower surface offers the first counterbore (10), described second bus duct (2) upper surface is provided with the second joint pin (11) matched with the first joint pin (9), and described second joint pin (11) upper end is provided with the backstay (12) for being set in the first counterbore (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520892855.XU CN205212370U (en) | 2015-11-10 | 2015-11-10 | Low pressure bus duct with quick cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520892855.XU CN205212370U (en) | 2015-11-10 | 2015-11-10 | Low pressure bus duct with quick cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205212370U true CN205212370U (en) | 2016-05-04 |
Family
ID=55850062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520892855.XU Expired - Fee Related CN205212370U (en) | 2015-11-10 | 2015-11-10 | Low pressure bus duct with quick cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205212370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512168A (en) * | 2018-05-16 | 2018-09-07 | 孟静 | A kind of transformer bus protective device |
-
2015
- 2015-11-10 CN CN201520892855.XU patent/CN205212370U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512168A (en) * | 2018-05-16 | 2018-09-07 | 孟静 | A kind of transformer bus protective device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102951898B (en) | A kind of anode steel claw protection ring and preparation method thereof | |
| CN104341156A (en) | Silicon carbide based composite microwave-absorbing heating body composition and preparation method thereof | |
| CN101817066B (en) | Covering agent for smelting copper alloy | |
| CN103642096B (en) | A kind of anti-aging rubber gasket material and preparation method thereof | |
| CN109536771A (en) | A kind of preparation method of dispersion strengthened copper oxygen sheet alloy | |
| CN105218128B (en) | A kind of High-Alumina heat-insulation and heat-preservation castable | |
| CN103570370A (en) | Hot-pressed ceramic refractory material for thin-strip continuous casting side sealing plate and preparation method of hot-pressed ceramic refractory material | |
| CN110194673A (en) | A kind of energy-saving mullite zirconium oxide multiple phase refractory material and preparation method thereof | |
| CN103304221A (en) | Method for preparing inert porcelain ball by using aluminum oxide dust-recovery powder | |
| CN107555817A (en) | A kind of graphene denatured conductive cement and preparation method thereof | |
| CN102618773B (en) | Method for preparing Ag/La1-xSrxCoO3 electric contact composite material | |
| CN101293317B (en) | Preparation technique for high-strength high conductivity integral dispersion copper spot-welding electrode | |
| CN205212370U (en) | Low pressure bus duct with quick cooling function | |
| CN109332941B (en) | Corrosion-resistant high-conductivity exothermic welding flux | |
| CN106067391A (en) | Stratiform silver-bearing copper pricker three-layer composite electric contact material prepared by a kind of atomization | |
| CN102775172A (en) | Magnesium-carbon composite material and preparation method thereof | |
| CN105244828A (en) | Low-voltage busway with rapid cooling function | |
| CN103642189B (en) | A kind of modified EPT rubber composite gland bush material and preparation method thereof | |
| CN105418095B (en) | A kind of lightweight refractory for glass smelting kiln of low heat conduction | |
| CN108484161B (en) | Aluminum titanate composite material and preparation method thereof | |
| CN205212371U (en) | Low pressure bus duct with function of dispelling heat fast | |
| CN103030387A (en) | NiFe2O4 ceramic substrate and preparation method thereof | |
| CN104402470B (en) | A kind of combined high temperature refractory materials and manufacture method thereof | |
| CN104108940A (en) | High-emissivity high-temperature ceramic coating suitable for metal and non-metal substrates | |
| CN109928619A (en) | A kind of insulating ceramics self-cleaning glaze |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 212213 Jiangsu city of Zhenjiang province Yangzhong City three Street North Mao Technology Industrial Park Yuxing Road No. 988 Patentee after: DINGSHENG GROUP CO.,LTD. Address before: 212213 Jiangsu city of Zhenjiang province Yangzhong City three street Mao Hong Yang Lu Patentee before: DINGSHENG ELECTRICAL Co.,Ltd. |
|
| 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: 20160504 Termination date: 20211110 |