CN201437615U - Electromagnetic shielding novel profiled steel sheet enclosure structure - Google Patents
Electromagnetic shielding novel profiled steel sheet enclosure structure Download PDFInfo
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- CN201437615U CN201437615U CN2009200557984U CN200920055798U CN201437615U CN 201437615 U CN201437615 U CN 201437615U CN 2009200557984 U CN2009200557984 U CN 2009200557984U CN 200920055798 U CN200920055798 U CN 200920055798U CN 201437615 U CN201437615 U CN 201437615U
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Abstract
The utility model relates to an electromagnetic shielding novel profiled steel sheet enclosure structure, which is characterized by comprising a vertical wall enclosure layer (1), a roof enclosure layer (2) and a ground shielding layer (3), which are electrically connected, wherein the vertical wall enclosure layer (1) comprises a plurality of profiled wall steel sheets (1-1) which are electrically connected by riveted structures, and the roof enclosure layer (2) comprises a plurality of profiled roofing steel sheets (2-1) which are electrically connected by riveted structures; and the vertical wall enclosure layer (1) and the roof enclosure layer (2) as well as the vertical wall enclosure layer (1) and the ground shielding layer (3) are respectively electrically connected by riveted structures. The utility model is suitable for buildings adopting profiled steel sheet enclosure structures, and uses wall and roofing internal profiled steel sheets as the shielding layer; and compared with the method that a galvanized steel mesh (or copper mesh) is specially arranged as the shielding layer between two layers of profiled steel sheets, the utility model has the advantages of good shielding effectiveness, short construction period, low construction cost, low construction difficulty, easy maintenance and the like.
Description
Technical field
The utility model relates to the novel profiled sheet space enclosing structure of a kind of electromagnetic shielding formula, be widely used in the power engineering constructions such as transformer station, current conversion station, booster stations, power plant adopting profiled sheet as space enclosing structure and need carry out the buildings such as the valve Room, relay bungalow, main control building, communication room, DC distribution chamber, electrical control building of electromagnetic shielding, perhaps be applied to adopt in other Industrial and Civil Engineering profiled sheet as space enclosing structure and need carry out the building of electromagnetic shielding.The electromangnetic spectrum field that belongs to power engineering.
Background technology
At present, when the electric fixtures of electric power facilities such as transformer station, current conversion station, booster stations, power plant is worked in the same space simultaneously, always around it, produce the electromagnetic field of certain intensity, these electromagnetic fields are coupled energy to other equipment by certain approach, make other equipment cisco unity malfunctions.Particularly in the current conversion station except the existing electric fixtures of conventional AC Substation or power plant, AC-DC conversion equipment, dc switch equipment have been increased, in commutation course, can produce a large amount of harmonic wave and electromagnetic interference, along with DC voltage raises, electric current increases, the electromagnetic interference that secondary circuit is caused threatens also just bigger., electronic equipment electric for guaranteeing can operate as normal in the current conversion station complex electromagnetic environments, need carry out necessary electromagnetic shielding to the capital equipment room of transformer station, booster stations, power plant especially current conversion station.
Electromagnetic shielding is exactly to control electromagnetic interference by the method for a zone to another zone induction and radiation propagation with the principle that metal is isolated.Electromagnetic shielding not only requires good ground connection, and requires shield to have the favorable conductive continuity, and shielding is to suppress the basic way that radiation field disturbs with ground connection.According to the characteristics of principle of electromagnetic shield-ing and shielding material, comparatively ideal shield is the metal sheet hexahedron building of ground connection.
In the prior art, for buildings such as the relay bungalow on the spot that adopts masonry structure or reinforced concrete frame structure (brickwork filling), main control room, communication room, electrical control buildings, the shielding measure of taking generally is to fix zinc-plated steel mesh (or copper mesh) as special-purpose screen layer in metope, smallpox floated coat and ground cushion.The mesh size of zinc-plated steel mesh (or copper mesh) and steel wire (or copper wire) diameter, each engineering way and disunity, but, no matter adopt the steel mesh (or copper mesh) of which kind of specification according to the result who puts into practice for many years, its shield effectiveness is generally all undesirable, is difficult to reach instructions for use.Zinc-plated steel mesh (or copper mesh) need be welded into electric path simultaneously, and the welding job amount is big especially, and quality also is difficult to guarantee.Adopt steel work for agent structure, buildings such as the relay bungalow on the spot of space enclosing structure employing profiled sheet, main control room, communication room, electrical control building, in the engineering of having implemented, because the designer understands inadequately to the character and the node way of profiled sheet, worry the conduction continuity problem of lap-joint between plate, still adopt the method that zinc-plated steel mesh (or copper mesh) private mask layer is set between wall, the two-layer profiled sheet space enclosing structure of roofing to manage to reach the purpose of electromagnetic shielding.But according to numerous practices, its shield effectiveness is equally also undesirable, is difficult to reach instructions for use.
The utility model content
The purpose of this utility model is that time-consuming that existing zinc-plated steel mesh (or copper mesh) private mask layer exists taken a lot of work in order to overcome, cost height, long in time limit and shield effectiveness defect of bad, provides a kind of electromagnetic shielding formula novel profiled sheet space enclosing structure.
The purpose of this utility model can reach by taking following technical scheme:
The novel profiled sheet space enclosing structure of electromagnetic shielding formula, its design feature is: go along with sb. to guard him layer, roof by vertical plane wall and go along with sb. to guard him layer and ground screen layer and be electrically connected and form; Vertical plane wall is gone along with sb. to guard him layer and is formed by the riveted structure electrical connection by some blocks of die mould metope steel plates, and the roof is gone along with sb. to guard him layer and formed by the riveted structure electrical connection by some die mould roof panels; Vertical plane wall is gone along with sb. to guard him layer and junction, the vertical plane wall of roofing enclosure layer and is gone along with sb. to guard him to be electrically connected by riveted structure respectively layer with the junction of ground screen layer and form.
The purpose of this utility model can also reach by taking following technical scheme:
A kind of embodiment of the present utility model is: described riveted structure is meant in the lap-joint between the die mould metope steel plate, the lap-joint of lap-joint, die mould metope steel plate and die mould roof panel between the die mould roof panel and the lap-joint of die mould metope steel plate and ground screen layer, the rivet syndeton is set, penetrate the profiled sheet that overlaps by rivet, form electric path, the spacing between the rivet is less than or equal to 200mm.
A kind of embodiment of the present utility model is: the die mould roof panel of roofing enclosure layer ridge cover plate in ridge lap-joint is provided with, be connected with rivet between ridge cover plate and the die mould roof panel, rivet penetrates die mould aspect steel plate and the ridge cover plate that overlaps, and forms electric path.Best mode is that each trough of die mould roof panel adopts two rivets, and rivet pitch is less than or equal to 200mm.
A kind of embodiment of the present utility model is: the corner of going along with sb. to guard him layer in vertical plane wall is provided with metope inner corner trim flashing plate, described metope inner corner trim flashing plate is connected with rivet with lap-joint between the die mould metope steel plate, penetrate die mould metope steel plate and the metope inner corner trim flashing plate that overlaps by rivet, form electric path.Best mode is that each trough of die mould metope steel plate adopts two rivets, and rivet pitch is less than or equal to 200mm.
A kind of embodiment of the present utility model is: the corner of going along with sb. to guard him between layer and the roofing enclosure layer in vertical plane wall is provided with roofing inner corner trim flashing plate, described roofing inner corner trim flashing plate is gone along with sb. to guard him between layer, the roofing enclosure layer with vertical plane wall and is connected with rivet, and rivet penetrates the profiled sheet and the roofing inner corner trim flashing plate that overlap and forms electric path.Best mode is that each trough of profiled sheet adopts two rivets, and rivet pitch is less than or equal to 200mm.
A kind of embodiment of the present utility model is: go along with sb. to guard him layer in vertical plane wall and with the junction of ground screen layer the rising wall purlin is set, described ground screen layer is connected by tapping screw with the junction, junction that vertical plane wall is gone along with sb. to guard him layer, ground screen layer, forms the continuity conductive path.Best mode is that two in each trough is encrypted tapping screw, and the tapping screw spacing is less than or equal to 200mm, makes the wall purlin on metope inner plating and ground form reliable electric path.
A kind of embodiment of the present utility model is: the ground screen layer is made of zinc-plated steel mesh or copper mesh.Best mode is that the mesh size of described zinc-plated steel mesh or copper mesh is 50 * 50, guarantees that simultaneously each the weld welding of zinc-plated steel mesh is firm, forms the reliable electric path.Gauze screen does not cut off at the concrete floor tapping, and the cable between cable floor and switch board passes between the gauze screen mesh.Because rising wall purlin (zinc-plated C shaped steel) thickness generally more than 2.5mm, can form the reliable electric path with the welding of ground screen net.
Advantage that the utlity model has and beneficial effect
1, the utility model patent is according to the electromagnetic shielding basic principle, cancelled zinc-plated steel mesh (or copper mesh) the private mask layer between wall, the two-layer profiled sheet of roofing, make full use of monolithic profiled sheet good electrical conductivity, carrying out multiple mode by the overlap joint node to building internal layer metope (roofing) profiled sheet handles, guarantee favorable conductive continuity between the building internal layer profiled sheet, and reliably be connected to form desirable metal sheet hexahedron building with the ground screen net, and reliably be connected, thereby reach good shield effectiveness with earth mat.
2, the utility model is applicable to the building that adopts the profiled sheet space enclosing structure, utilize wall, roofing internal layer profiled sheet as screen layer, compare the way that zinc-plated steel mesh (or copper mesh) private mask layer is set in addition between two-layer profiled sheet, have advantages such as shield effectiveness is good, short construction period, construction costs is low, difficulty of construction is little, easy maintenance
Description of drawings
Fig. 1 is the bridging arrangement schematic diagram of profiled sheet of the present utility model.
Fig. 2 is an internal layer ridge cover plate bridging arrangement schematic diagram of the present utility model.
Fig. 3 is an internal layer shingle nail bridging arrangement schematic diagram of the present utility model.
Fig. 4 is the utility model internal layer shingle nail and first kind of bridging arrangement schematic diagram of roof panel.
Fig. 5 is the utility model internal layer shingle nail and second kind of bridging arrangement schematic diagram of roof panel.
The specific embodiment
Specific embodiment 1:
Fig. 1 to Fig. 4 constitutes specific embodiment of the utility model 1.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, present embodiment is gone along with sb. to guard him layer 1, roof by vertical plane wall and is gone along with sb. to guard him layer 2 and ground screen layer 3 and be electrically connected and form; Vertical plane wall is gone along with sb. to guard him layer 1 and is formed by the riveted structure electrical connection by some die mould metope steel plate 1-1, and the roof is gone along with sb. to guard him layer 2 and formed by the riveted structure electrical connection by some die mould roof panel 2-1; Vertical plane wall is gone along with sb. to guard him layer 1 and junction, the vertical plane wall of roofing enclosure layer 2 and is gone along with sb. to guard him layer 1 and be electrically connected by riveted structure respectively with the junction of ground screen layer 3 and form.
With reference to Fig. 1, in the present embodiment, described riveted structure is meant in the lap-joint between the die mould metope steel plate 1-1, the lap-joint of lap-joint, die mould metope steel plate 1-1 and die mould roof panel 2-1 between the die mould roof panel 2-1 and the lap-joint of die mould metope steel plate 1-1 and ground screen layer 3, rivet is set to be connected, penetrate the profiled sheet that overlaps by described rivet, form electric path, the spacing between the rivet is less than or equal to 200mm.
With reference to Fig. 2, roofing enclosure layer 2 is positioned at the below of outer roofing layer 8, at the die mould roof panel 2-1 of roofing enclosure layer 2 ridge cover plate 4 in ridge lap-joint is provided with, between ridge cover plate 4 and die mould roof panel 2-1, be connected with rivet 7, rivet 7 penetrates profiled sheet 2-1 and the ridge cover plate 4 that overlaps, and forms electric path.Best mode is that each trough of profiled sheet adopts two rivets, and rivet pitch is less than or equal to 200mm.
With reference to Fig. 3, vertical plane wall is gone along with sb. to guard him the inboard that layer 1 is positioned at outer vertical plane wall 9, the corner of going along with sb. to guard him layer 1 in vertical plane wall is provided with metope inner corner trim flashing plate 5, described metope inner corner trim flashing plate 5 is connected with rivet 7 with lap-joint between the die mould metope steel plate 1-1, rivet 7 penetrates profiled sheet 1-1 and the metope inner corner trim flashing plate 5 that overlaps, and forms electric path.Best mode is that each trough of profiled sheet adopts two rivets, and rivet pitch is less than or equal to 200mm.
With reference to Fig. 4, the corner of going along with sb. to guard him between layer 1 and the roofing enclosure layer 2 in vertical plane wall is provided with roofing inner corner trim flashing plate 6, described roofing inner corner trim flashing plate 6 is gone along with sb. to guard him between layer 1, the roofing enclosure layer 2 with vertical plane wall and is connected with rivet, and rivet penetrates the profiled sheet and the roofing inner corner trim flashing plate 6 that overlap and forms electric path.Best mode is that each trough of profiled sheet adopts two rivets, and rivet pitch is less than or equal to 200mm.
In the present embodiment, can go along with sb. to guard him layer 1 in vertical plane wall and with the junction of ground screen layer 3 the rising wall purlin is set, described ground screen layer 3 is connected by tapping screw with the junction, junction that vertical plane wall is gone along with sb. to guard him layer 1, ground screen layer 3, formation continuity conductive path.Best mode is that two in each trough is encrypted tapping screw, and the tapping screw spacing is less than or equal to 200mm, makes the wall purlin on metope inner plating and ground form reliable electric path.
Ground screen layer 3 is made of zinc-plated steel mesh or copper mesh.Best mode is that the mesh size of described zinc-plated steel mesh or copper mesh is 50 * 50, guarantees that simultaneously each the weld welding of zinc-plated steel mesh is firm, forms the reliable electric path.Gauze screen does not cut off at the concrete floor tapping, and the cable between cable floor and switch board passes between the gauze screen mesh.Because rising wall purlin (zinc-plated C shaped steel) thickness generally more than 2.5mm, can form the reliable electric path with the welding of ground screen net.Choose two points in diagonal angle, house, ground connection band steel and ground purlin are welded into electric path, make shielding hexahedron reliable ground.
By vertical plane wall go along with sb. to guard him layer 1, layer 2 is gone along with sb. to guard him on the roof and six shielding spaces being electrically connected to form of ground screen layer 3 are positioned at the space that is made of outer roofing layer 8 and outer vertical plane wall 9.
Operating principle of the present utility model is as follows:
According to the electromagnetic shielding basic principle, make wall, roofing internal layer profiled sheet have advantages of favorable electromagnetic shielding effect, just require the internal layer profiled sheet to have the favorable conductive continuity, and with the constructure ground bed course in the gauze screen (zinc-plated steel mesh or copper mesh) that is provided with reliably connect into electric path, to form good shielding hexahedron.But because it is too thin to be used for the profiled sheet of space enclosing structure, its thickness is generally between 0.4mm～1.0mm, can't weld in the junction, be that each connected node place is (between profiled sheet and the profiled sheet so solve the key of profiled sheet space enclosing structure shield effectiveness, between profiled sheet and wall, the roof purline, between the gauze screen on purlin and ground) must take other reliable and feasible measure, guarantee its favorable conductive continuity.If it is bad that these nodes are handled, just may cause electromagnetic leakage, do not reach the shield effectiveness of electric requirement, influence the stable operation of equipment.The utility model patent is mainly taked following measure, has the favorable conductive continuity to guarantee the internal layer profiled sheet, reaches good shield effectiveness.
The utility model is by the careful processing of above each connected node, and the internal layer profiled sheet and the zinc-plated steel mesh of ground screen of building reliably connected into electric path, guaranteed the continuity of conduction, formed the shielding hexahedron.Take after the above-mentioned measure, building has been realized good shield effectiveness, through detecting, through the equipment side after the processing of this patent method, its shield effectiveness all satisfies low-frequency range, and (14kHz～100kHz) is not less than 20dB, (100kHz～10MHz) is not less than 30dB to Mid Frequency, and (10MHz～500MHz) is not less than the technical requirements of 40dB to high band.
The electromagnetic shielding that the utility model constitutes fed back in ± 500kV Guizhou～Guangdong second electrical engineering Bao'an current conversion station the valve Room, relay bungalow successfully uses on the spot, its shield effectiveness satisfies design and operational requirement fully after testing.The construction of this method is simple, saves cost, and the reduction of erection time, the shield effectiveness assurance that is easy to get is worthy of popularization.Specifically relatively see Table 1.
Shielding of table 1 profiled sheet and zinc-plated steel mesh (copper mesh) shielding comparison sheet
| The shielding way | Effectiveness | Construction costs | Construction period | Difficulty of construction |
| The profiled sheet shielding | Good | Low | Short | Easily |
| Zinc-plated steel mesh (copper mesh) shielding | Difference | Higher | Longer | Difficult |
Specific embodiment 2:
Fig. 1, Fig. 2, Fig. 3 and Fig. 5 constitute specific embodiment of the utility model 2.
With reference to Fig. 5, the characteristics of other specific embodiments of the utility model are: by vertical plane wall go along with sb. to guard him layer 1, layer 2 is gone along with sb. to guard him on the roof and six shielding spaces being electrically connected to form of ground screen layer 3 are positioned at the space that is made of outer roofing layer 8 and outer vertical plane wall 9, constitutes the shielding to architectural space 10.All the other are with specific embodiment 1.
Buildings such as the transformer station of the novel suitable employing profiled sheet space enclosing structure of the utility model, current conversion station, booster stations, power plant directly utilize internal layer wall, roofing profiled sheet as screen layer, have remarkable economic efficiency and social benefit.At first save the zinc-plated steel mesh of private mask (or copper mesh) between the two-layer profiled sheet, saved construction costs.Next has accelerated the engineering construction progress, and the welding of zinc-plated steel mesh and copper mesh is time-consuming takes a lot of work, and quality is not easy to be guaranteed.Adopt the internal layer profiled sheet as electro-magnetic screen layer in addition, all connected nodes all expose outside, and whether naked eyes promptly can be observed connection reliable, the convenient inspection, as detected electromagnetic leakage, adopting remedial measures also is easier to.Overcome the zinc-plated steel mesh of prior art (or copper mesh) screen layer and be clipped between the inside and outside two-layer profiled sheet, be prone to electromagnetic leakage, be not easy to find problem place and the difficult defective that adopts remedial measures of giving.
Claims (7)
1. the novel profiled sheet space enclosing structure of electromagnetic shielding formula is characterized in that: by vertical plane wall go along with sb. to guard him layer (1), layer (2) is gone along with sb. to guard him on the roof and ground screen layer (3) electrical connection forms; Vertical plane wall is gone along with sb. to guard him layer (1) and is formed by the riveted structure electrical connection by some blocks of die mould metope steel plates (1-1), and the roof is gone along with sb. to guard him layer (2) and formed by the riveted structure electrical connection by some die mould roof panels (2-1); Vertical plane wall is gone along with sb. to guard him layer (1) and junction, the vertical plane wall of roofing enclosure layer (2) and is gone along with sb. to guard him layer (1) and be electrically connected by riveted structure respectively with the junction of ground screen layer (3) and form.
2. the novel profiled sheet space enclosing structure of electromagnetic shielding formula according to claim 1, it is characterized in that: described riveted structure is meant lap-joint, the die mould metope steel plate (1-1) and the lap-joint of die mould roof panel (2-1) and the lap-joint of die mould metope steel plate (1-1) and ground screen layer (3) between the lap-joint between the die mould metope steel plate (1-1), die mould roof panel (2-1), the rivet syndeton is set, penetrate the profiled sheet that overlaps by rivet (7), form electric path, the spacing between the rivet (7) is less than or equal to 200mm.
3. the novel profiled sheet space enclosing structure of electromagnetic shielding formula according to claim 1 and 2, it is characterized in that: the die mould roof panel (2-1) of roofing enclosure layer (2) ridge cover plate (4) in ridge lap-joint is provided with, be connected with rivet (7) between ridge cover plate (4) and the die mould roof panel (2-1), rivet (7) penetrates die mould aspect steel plate (2-1) and the ridge cover plate (4) that overlaps, and forms electric path.
4. the novel profiled sheet space enclosing structure of electromagnetic shielding formula according to claim 1 and 2, it is characterized in that: the corner of going along with sb. to guard him layer (1) in vertical plane wall is provided with metope inner corner trim flashing plate (5), described metope inner corner trim flashing plate (5) is connected with rivet (7) with lap-joint between the die mould metope steel plate (1-1), penetrate die mould metope steel plate (1-1) and the metope inner corner trim flashing plate (5) that overlaps by rivet (7), form electric path.
5. the novel profiled sheet space enclosing structure of electromagnetic shielding formula according to claim 1 and 2, it is characterized in that: the corner of going along with sb. to guard him between layer (1) and the roofing enclosure layer (2) in vertical plane wall is provided with roofing inner corner trim flashing plate (6), described roofing inner corner trim flashing plate (6) is gone along with sb. to guard him layer (1) with vertical plane wall, the roofing enclosure layer is connected with rivet between (2), and rivet penetrates the profiled sheet and the roofing inner corner trim flashing plate (6) that overlap and forms electric path.
6. the novel profiled sheet space enclosing structure of electromagnetic shielding formula according to claim 1 and 2, it is characterized in that: the junction of going along with sb. to guard him layer (1) and ground screen layer (3) in vertical plane wall is provided with the rising wall purlin, described ground screen layer (3) is connected by tapping screw with the junction, junction that vertical plane wall is gone along with sb. to guard him layer (1), ground screen layer (3), forms the continuity conductive path.
7. the novel profiled sheet space enclosing structure of electromagnetic shielding formula according to claim 1 and 2, it is characterized in that: ground screen layer 3 is made of zinc-plated steel mesh or copper mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200557984U CN201437615U (en) | 2009-04-30 | 2009-04-30 | Electromagnetic shielding novel profiled steel sheet enclosure structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200557984U CN201437615U (en) | 2009-04-30 | 2009-04-30 | Electromagnetic shielding novel profiled steel sheet enclosure structure |
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| Publication Number | Publication Date |
|---|---|
| CN201437615U true CN201437615U (en) | 2010-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200557984U Expired - Fee Related CN201437615U (en) | 2009-04-30 | 2009-04-30 | Electromagnetic shielding novel profiled steel sheet enclosure structure |
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| CN (1) | CN201437615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049270A (en) * | 2020-08-31 | 2020-12-08 | 常州第一建筑集团有限公司 | Construction method of steel structure workshop color plate and aluminum foil laminated shielding system |
-
2009
- 2009-04-30 CN CN2009200557984U patent/CN201437615U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049270A (en) * | 2020-08-31 | 2020-12-08 | 常州第一建筑集团有限公司 | Construction method of steel structure workshop color plate and aluminum foil laminated shielding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC Free format text: FORMER NAME: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE Owner name: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC Free format text: FORMER NAME: GUANGDONG ELECTRIC POWER DESIGN INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 510080 No. 846 Dongfeng East Road, Guangdong, Guangzhou Patentee after: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Address before: 510080 No. 846 Dongfeng East Road, Guangdong, Guangzhou Patentee before: GUANGDONG ELECTRIC POWER DESIGN INSTITUTE OF CHINA ENERGY ENGINEERING GROUP Co.,Ltd. Address after: 510080 No. 846 Dongfeng East Road, Guangdong, Guangzhou Patentee after: GUANGDONG ELECTRIC POWER DESIGN INSTITUTE OF CHINA ENERGY ENGINEERING GROUP Co.,Ltd. Address before: 510080 No. 846 Dongfeng East Road, Guangdong, Guangzhou Patentee before: Guangdong Electric Power Design Institute |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 510670 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee after: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Address before: 510080 No. 846 Dongfeng East Road, Guangdong, Guangzhou Patentee before: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. |
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| 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: 20100414 Termination date: 20170430 |