CN207392492U - A kind of subway station is electromagnetically shielded faraday cup - Google Patents
A kind of subway station is electromagnetically shielded faraday cup Download PDFInfo
- Publication number
- CN207392492U CN207392492U CN201721139603.5U CN201721139603U CN207392492U CN 207392492 U CN207392492 U CN 207392492U CN 201721139603 U CN201721139603 U CN 201721139603U CN 207392492 U CN207392492 U CN 207392492U
- Authority
- CN
- China
- Prior art keywords
- faraday cup
- main reinforcement
- lacing wire
- frame
- subway station
- 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
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a kind of subway stations to be electromagnetically shielded faraday cup, the gauze screen connected including the shielding frame that main reinforcement is combined into lacing wire；Main ribs are arranged along beam, the boundary line of column and wallboard inside station, and fixation is welded to each other between adjacent main reinforcement, and the main reinforcement at top is reliably connected with the lighting proof strip inside station floor, and main reinforcement and the grounded screen of bottom are reliably connected；The lacing wire is laid on the gauze screen that closing is formed in the frame mesh between main reinforcement, is welded and fixed between the lacing wire and main reinforcement and between the lacing wire of intersection.The faraday cup of the utility model plays an important role of to make electromagnetic field to cancel out each other in cage weakening, the interference of electromagnetic field strength reduction generated to thunder and lightning, effectively avoid damage of the electromagnetic field that thunder and lightning generates to station inside electromechanical equipment, can use and high construction site is required to lightning protection in subway station or other communications equipment rooms etc., have the advantages that installation simply, it is functional, easy for construction.
Description
Technical field
The utility model belongs to the electromangnetic spectrum in building construction process, and in particular to a kind of subway station electromagnetic screen
Cover faraday cup.
Background technology
In lightning protection work progress, particularly subway station is when communications equipment rooms main structure construction, using beam, column
The means such as the reserved splice being connected with gauze screen, reserved ground terminal daughter board, the number of terminals reserved according to drawing requirement and
The position number of reserving ground terminal, far from ground 0.1m, should ensure that between the earth plate of all interior (outdoor) extractions can for earth plate leading point
By electrical connection, since communications equipment room requires lightning protection high, equipment ground reliability requirement is high, therefore gauze screen is applied
Work is extremely complex harsh.
Faraday cup can prevent electromagnetic field from entering or escaping, and can meet and the shielding in subway communication computer room is applied to want
It asks, but how to be combined the building structure in faraday cup and room, and ensure the shield effectiveness of faraday cup and apply
Work efficiency rate, at present still without the preferable scheme of effect.
Utility model content
The utility model solve the technical issues of be：It perfect can not be tied between current faraday cup and building structure
The defects of conjunction, provides one kind securely and reliably, and ground resistance is low, the high subway station electromagnetic shielding faraday of electrical connection reliability
Cage.
The utility model adopts the following technical solution realizes：
A kind of subway station is electromagnetically shielded faraday cup, the shielding that the shielding frame being combined into including main reinforcement 1 and lacing wire 2 connect
Net；Main ribs 1 are arranged along beam, the boundary line of column and wallboard inside station, and fixation is welded to each other between adjacent main reinforcement, and
And the main reinforcement at top is reliably connected with the lighting proof strip inside station floor, main reinforcement and the grounded screen of bottom are reliably connected；The drawing
Muscle 2 is laid on the gauze screen that closing is formed in the frame mesh between main reinforcement, between the lacing wire 2 and main reinforcement 1 and intersect
It is welded and fixed between lacing wire 2.
Further, the shielding frame further includes the metal door frame 11 being combined by main reinforcement and window frame of metal 12, the gold
Belong in doorframe 11 and window frame of metal 12 and metallic shield door and metallic shield window, the metallic shield door and metallic shield are installed respectively
Window bolts respectively with metal door frame 11 and window frame of metal 12.
Further, the size of mesh opening for the shielding frame that main ribs 1 are combined into is not more than 5m*5m.
Further, taken and be welded and fixed by the bridge piece 13 of corresponding main reinforcement angle between main ribs 1.
Further, the size of mesh opening for the gauze screen that the lacing wire 2 is combined into is not more than 0.6m*0.6m.
Further, the metal embedded part set at the top of the faraday cup that main ribs 1 and lacing wire 2 are formed with floor slab tops
41 overlap weldings, the metal embedded part 41 realize that reliable electric is connected by floor bar with lighting proof strip.
Faraday cup is electromagnetically shielded in a kind of subway station of the utility model, main ribs 1 use the hot dip of φ 12mm
Zinc round steel, the lacing wire 2 use the galvanizing round steel of φ 8mm.
Further, the gauze screen medial surface that the shielding frame and lacing wire 2 that main ribs 1 are combined into connect is equipped with gauze screen
Protect surface layer 5.
The basic role of the faraday cup of the utility model be for the electromagnetic shielding to the electromechanical equipment in subway station,
Shielding mainly electromagnetic shielding and magnetic screen.Faraday cup is using benign conductor metal materials such as steel, iron, in reflection electromagnetic wave
Generate larger loss.Iron and its alloy are the optimal materials that magnetic screen uses, and especially have stronger absorption and loss to magnetic field.
Under the action of inductive lightning or direct attack, the electric current and electric field strength that faraday cup metal layer generates are all very big.It is this
In the case of, faraday cup that package station is set to by electric current and electric field be no longer attenuation or reflex, but flow
With the effect of shunting.The current-symmetrical that faraday cup metal screen layer generates is flowed into according to thunder, makes electromagnetic field mutual in cage
The effect weakened is offset, to the interference of electromagnetic field strength reduction that thunder and lightning generates, effectively avoids the electromagnetic field that thunder and lightning generates to station
The damage of internal electromechanical equipment.
In conclusion the utility model can use it is high to lightning protection requirement in subway station or other communications equipment rooms etc.
Construction site, there is installation simple, functional, easy for construction.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Description of the drawings
Fig. 1 is the shielding frame schematic diagram of the faraday cup main reinforcement connection in embodiment.
Fig. 2 is the connection diagram between the faraday cup main reinforcement in embodiment.
Fig. 3 is the schematic diagram of the frame mesh connection of the faraday cup lacing wire and main reinforcement in embodiment.
Fig. 4 is main reinforcement/lacing wire top and the connection diagram of floor metal embedded part in embodiment.
Figure label：1- main reinforcements, 11- metal door frames, 12- window frame of metal, 13- bridge pieces, 2- lacing wires, 3- solder joints, 4- buildings
Plate, 41- metal embedded parts, 42- floor bars, 5- gauze screens protection surface layer.
Specific embodiment
Embodiment
Referring to Fig. 1 to Fig. 4, it is illustrated that in faraday cup be for subway station be electromagnetically shielded construction and installation preferred side
Case, specifically includes the shielding frame being overlapped to form by main reinforcement 1 and gauze screen that lacing wire 2 connects, wherein, shielding frame is close to subway station
The inner wall arrangement in room, main reinforcement 1 is arranged along station wallboard, floor and the boundary line on floor, in order to ensure shield effectiveness, main reinforcement 1
The size of mesh opening for the shielding frame being spliced into should be not more than 5m*5m, therefore inside the larger station of some areas, it is also necessary to
Beam in station, column position supplement set main reinforcement 1, are formed between the adjacent main reinforcement of shielding frame and are welded to each other fixation, such as Fig. 2 institutes
Show, taken and be welded and fixed by the bridge piece 13 of corresponding main reinforcement angle between main reinforcement 1, shielding frame top and the station floor of formation
Internal lighting proof strip is reliably connected, and shielding frame bottom is then reliably connected with the grounded screen of station, the shielding frame of main reinforcement connection
Form the continuous electric path between lighting proof strip and grounded screen.
It is specific as shown in figure 3, lacing wire 2 forms gauze screen by the way of being then laid with using Box junction, the gauze screen is along main reinforcement
The shielding frame grid of formation is laid with, and the faraday cup entirety of closing, the grid of gauze screen are finally formed together with shielding frame
Size is not more than 0.6m*0.6m.Solder joint 3 is formed by spot-welded between the lacing wire 2 of intersection between lacing wire 2 and main reinforcement 1,
The shielding frame that the gauze screen and main reinforcement 1 that lacing wire 2 is formed are formed connects into the electric path of closure, in inductive lightning or direct lightning strike
Under effect, the electric current and electric field strength that faraday cup metal layer generates are all very big.In this case, the faraday to play a leading role
Cage shielded layer is no longer attenuation or reflex, but the effect flowed and shunted, according to thunder to faraday cup metal screen layer
The current-symmetrical of generation flows into, and electromagnetic field is made to cancel out each other in cage the effect of weakening, and the interference of electromagnetic field generated to thunder and lightning is strong
Degree reduces, and effectively protects the electromechanical equipment inside subway station.
Subway station is additionally provided with door and window, and in order to ensure shield effectiveness herein, the shielding frame of the present embodiment further includes
The metal door frame 11 and window frame of metal 12 be combined by main reinforcement, as shown in Figure 1, being installed respectively in metal door frame 11 and window frame of metal 12
Metallic shield door and metallic shield window, metallic shield door and metallic shield window are same with the installation of the building frame of subway station
When, also bolted respectively with metal door frame 11 and window frame of metal 12.Shield door and shielding windows use section 9mm2Aluminium alloy net covers,
Aluminium alloy grid is at the bolt between 80mm × 80mm, shield door and shielding windows and shielding frame with multiply section 10mm2's
Insulated copper wire is bolted.
When specifically constructing to the present embodiment, main reinforcement 1 is using the galvanizing round steel of φ 12mm, and lacing wire 2 is using φ 8mm
Galvanizing round steel.In view of the building structure to subway station and the property easy for construction of faraday cup, the present embodiment is in subway
Metal embedded part 41 is set on the floor 4 of station, and the top at the top of the faraday cup formed in main reinforcement 1 and lacing wire 2 with floor 4 is set
41 overlap welding of metal embedded part put, metal embedded part 41 realize that reliable electric is connected by floor bar 42 with lighting proof strip, should
The steel plate being embedded in floor can be used in metal embedded part 41.
After completing to the construction of faraday cup, on the inside of the gauze screen of the shielding frame being combined into main reinforcement 1 and the connection of lacing wire 2
Face is equipped with gauze screen protection surface layer 5, and one is used as the hidden protection of faraday cup, avoids between external staff and faraday cup
Formation contacts directly, and two are alternatively arranged as the decorative layer in subway station interior wall face.
The technical solution provided above the utility model embodiment is described in detail, used herein specifically
A example is set forth the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to help
Assistant solves the principle of the utility model embodiment；Meanwhile for those of ordinary skill in the art, implement according to the utility model
Example, the there will be changes in specific embodiment and application range, to sum up, this specification content should not be construed as to this
The limitation of utility model.
Claims (8)
1. a kind of subway station is electromagnetically shielded faraday cup, it is characterised in that：The shielding frame being combined into including main reinforcement (1) and lacing wire
(2) gauze screen of connection；Main ribs (1) are arranged along beam, the boundary line of column and wallboard inside station, between adjacent main reinforcement
Fixation is welded to each other, and the main reinforcement at top is reliably connected with the lighting proof strip inside station floor, the main reinforcement and grounded screen of bottom
It is reliably connected；The lacing wire (2) is laid on the gauze screen that closing is formed in the frame mesh between main reinforcement, the lacing wire (2) and
It is welded and fixed between main reinforcement (1) and between the lacing wire (2) of intersection.
2. a kind of subway station electromagnetic shielding faraday cup according to claim 1, the shielding frame are further included by leading
Installation is golden respectively in the metal door frame (11) and window frame of metal (12) that muscle is combined into, the metal door frame (11) and window frame of metal (12)
Belong to shield door and metallic shield window, the metallic shield door and metallic shield window respectively with metal door frame (11) and window frame of metal
(12) bolt.
3. a kind of subway station electromagnetic shielding faraday cup according to claim 2, the mask frame that main ribs (1) are combined into
The size of mesh opening of frame is not more than 5m*5m.
4. a kind of subway station electromagnetic shielding faraday cup according to claim 3, main ribs pass through correspondence between (1)
The bridge piece (13) of main reinforcement angle, which is taken, to be welded and fixed.
5. a kind of subway station electromagnetic shielding faraday cup according to claim 1, the gauze screen that the lacing wire (2) is combined into
Size of mesh opening be not more than 0.6m*0.6m.
6. a kind of subway station electromagnetic shielding faraday cup according to claim 1, main ribs (1) and lacing wire (2) shape
Into faraday cup at the top of metal embedded part (41) overlap welding for being set with floor slab tops, the metal embedded part (41) passes through building
Slab muscle realizes that reliable electric is connected with lighting proof strip.
7. a kind of subway station electromagnetic shielding faraday cup according to any one of claim 1-6, main ribs (1) are adopted
With the galvanizing round steel of Φ 12mm, the lacing wire (2) uses the galvanizing round steel of φ 8mm.
8. a kind of subway station electromagnetic shielding faraday cup according to claim 7, the mask frame that main ribs (1) are combined into
Frame and the gauze screen medial surface of lacing wire (2) connection are equipped with gauze screen protection surface layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721139603.5U CN207392492U (en) | 2017-09-06 | 2017-09-06 | A kind of subway station is electromagnetically shielded faraday cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721139603.5U CN207392492U (en) | 2017-09-06 | 2017-09-06 | A kind of subway station is electromagnetically shielded faraday cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207392492U true CN207392492U (en) | 2018-05-22 |
Family
ID=62416984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721139603.5U Expired - Fee Related CN207392492U (en) | 2017-09-06 | 2017-09-06 | A kind of subway station is electromagnetically shielded faraday cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207392492U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048724A (en) * | 2020-09-11 | 2020-12-08 | 张兴莉 | Cathode protection system with external power supply |
| CN112555105A (en) * | 2020-12-10 | 2021-03-26 | 江苏常友环保科技股份有限公司 | Wind-powered electricity generation cabin cover connects dodge ware |
| CN113056184A (en) * | 2021-03-15 | 2021-06-29 | 上海应用技术大学 | Shielding net simulation design method based on optimized interference signal and whole framework |
-
2017
- 2017-09-06 CN CN201721139603.5U patent/CN207392492U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048724A (en) * | 2020-09-11 | 2020-12-08 | 张兴莉 | Cathode protection system with external power supply |
| CN112048724B (en) * | 2020-09-11 | 2023-02-28 | 李涛 | Cathode protection system with external power supply |
| CN112555105A (en) * | 2020-12-10 | 2021-03-26 | 江苏常友环保科技股份有限公司 | Wind-powered electricity generation cabin cover connects dodge ware |
| CN113056184A (en) * | 2021-03-15 | 2021-06-29 | 上海应用技术大学 | Shielding net simulation design method based on optimized interference signal and whole framework |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207392492U (en) | A kind of subway station is electromagnetically shielded faraday cup | |
| US7576289B2 (en) | Electromagnetic shielding | |
| CN102635240B (en) | Construction method of indoor anti-static shielding mesh system | |
| CN102412514A (en) | Box-type substation shell possessing electromagnetic shielding function | |
| CN204131417U (en) | A kind of flexible DC power transmission engineering current conversion station | |
| CN105386630A (en) | Microwave anechoic chamber and shielding case assembly structure thereof | |
| CN101339818A (en) | Electromagnetic radiation shielding method | |
| CN207219192U (en) | Outdoor cabinet and its top structure | |
| CN206976912U (en) | A kind of transforming plant assembly type builds the new breaking of contact tank mounting structure of lightning protection | |
| CN207063304U (en) | Radiation shield wall harden structure and radiation proof cabin | |
| CN206195165U (en) | Low voltage side of main transformer generating line bridging ground clamp | |
| CN202866322U (en) | Underground upper cover property complex grounding system | |
| CN209981724U (en) | Lightning arrester for power equipment | |
| CN205811496U (en) | Lay the radioprotective subway tunnel structure of high tension cable | |
| CN107771019A (en) | A kind of comprehensive integrated computer room basement | |
| CN203589374U (en) | A TN-S system which is used for a steel structure workshop cable and which can be without a protective ground wire | |
| CN208257143U (en) | A kind of switchgear and its cabinet body | |
| CN216277380U (en) | Three-door interlocking equipment for electric gate of prison station | |
| CN107620259A (en) | Construction protection method for bridge under a kind of high-voltage line | |
| CN206091406U (en) | Adopt assembled transformer substation steel construction factory building of new ground connection form | |
| CN205487456U (en) | HPVC -C power cable protection tube | |
| CN206472445U (en) | Far control the electromagnetic screen of box in a kind of power station | |
| CN220580342U (en) | Faraday cage of core machine room of comprehensive transportation hub for airport | |
| CN217631509U (en) | Shielding comprehensive wiring room | |
| CN207991379U (en) | A kind of electromagnetic shielding square cabin |
Legal Events
| 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: 20180522 |