CN106771656B - Substation electromagnetic radiation monitoring device based on GIS - Google Patents
Substation electromagnetic radiation monitoring device based on GIS Download PDFInfo
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- CN106771656B CN106771656B CN201611008500.5A CN201611008500A CN106771656B CN 106771656 B CN106771656 B CN 106771656B CN 201611008500 A CN201611008500 A CN 201611008500A CN 106771656 B CN106771656 B CN 106771656B
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- noise
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0835—Testing shielding, e.g. for efficiency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
Abstract
The invention discloses a transformer substation electromagnetic radiation monitoring device based on a GIS (geographic information system), which comprises a transformer arranged on a base, a steel frame platform arranged on the periphery of the transformer and a shielding device arranged on the steel frame platform in a lifting manner, wherein a circle of lifting grooves are formed in the steel frame platform around the transformer, a bottom frame matched with the lifting grooves is arranged below the lifting grooves, an electromagnetic shielding mechanism and a noise shielding mechanism are arranged on the bottom frame, and a lifting mechanism is arranged on the bottom frame. The invention realizes the shielding and absorption of noise and radiation of the transformer through the lifting surrounding type shielding device, is flexible and convenient to use, does not influence the upper circuit of the transformer and the work of staff on the steel frame platform, has simple structure, does not need complex and expensive equipment, is easy to popularize, and can effectively reduce the environmental influence of the staff and surrounding residents of the transformer substation.
Description
Technical Field
The invention relates to the technical field of electromagnetic radiation and noise suppression of substations, in particular to a GIS-based substation electromagnetic radiation monitoring device.
Background
The electromagnetic radiation and noise sources of the transformer substation are greatly caused by the transformer, the transformer in the transformer substation is a main noise source of a power grid system, in order to reduce the noise emission of the transformer and avoid the sound pollution of the transformer substation to surrounding residents, a large amount of funds are invested in power grid enterprises for treatment, but the treatment measures for the noise of the transformer in China are single at present, the investment is huge, and the daily operation and maintenance of the transformer are inconvenient after the noise reduction facilities are built, so the noise reduction device is not popularized in the transformer substation.
The invention with the application number of 201610005517.9 discloses a box-type transformer substation box body. This box-type substation box includes: a foamed aluminum base; the foam aluminum box body is arranged on the foam aluminum base; the metal plate shell is arranged outside the foamed aluminum box body; and the top of the metal plate is arranged at the upper part of the foamed aluminum box body, wherein a cavity is arranged among the foamed aluminum base, the foamed aluminum box body and the top of the metal plate. By the aid of the method, the shielding effect of the box body structure of the box-type transformer substation on electromagnetic radiation and electromagnetic and mechanical noise is improved. However, the invention can only be used for a box-type small transformer, but cannot reduce noise and prevent magnetism for an outdoor large transformer, and has the problem of larger use limitation.
The invention of application number 201610129814.4 discloses a noise control system of an urban transformer, which comprises a sound insulation barrier arranged below and a composite barrier arranged above; the sound insulation barrier comprises a plurality of layers of V-shaped ventilation channels with intervals arranged in the middle; the composite barrier comprises a sound absorption demagnetizing layer and an active control system embedded on the inner wall of the sound absorption demagnetizing layer; the active control system includes a controller, a plurality of stage microphones, a secondary sound source, and an error microphone, each connected to the controller. The invention has good noise reduction performance for medium and high frequency and medium and low frequency, and simultaneously realizes good ventilation, solves the contradiction problem between traditional ventilation and sound insulation, and in addition, solves the electromagnetic radiation problem. The invention is also suitable for small transformers in cities, and the maintenance and the overhaul of the transformers are very inconvenient to use.
Disclosure of Invention
The invention aims to solve the problem of providing a GIS-based transformer substation electromagnetic radiation monitoring device, which realizes the shielding and absorption of noise and radiation of a transformer through a lifting surrounding type shielding device, is flexible and convenient to use, and does not influence the upper line of the transformer and the work of staff on a steel frame platform.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a transformer substation electromagnetic radiation monitoring devices based on GIS, includes the transformer of setting on the base the steelframe platform of the peripheral setting of transformer and the shield assembly of steelframe platform upper lift setting, around on the steelframe platform the transformer sets up round lift groove, lift groove below set up with lift groove shape matched with bottom frame, shield assembly is including setting up electromagnetic shielding mechanism and the noise shielding mechanism at bottom frame, set up elevating system on the bottom frame, the transformer surface with the outside of vertical support sets up electromagnetic radiation monitor, noise monitor, electromagnetic radiation monitor and noise monitor pass through communication unit and control center connection, the transformer surface sets up piezoelectric cantilever beam, piezoelectric cantilever beam top sets up the balancing weight, piezoelectric cantilever beam passes through the rectifier and is connected with the battery, the battery pass through DC/DC power module with electromagnetic radiation monitor, noise monitor, communication unit connection, be equipped with the pipe on the transformer, be equipped with the pillar on the steel frame platform, be equipped with on the pillar with pipe sealing connection's baffle, the bottom frame is for the frame combination, set up for vertical cross bar between the vertical cross bar sets up for the vertical cross bar, vertical cross bar sets up for the vertical cross bar between the vertical support, vertical cross bar sets up.
Further, the lifting mechanism comprises a hydraulic lifting column corresponding to each section of the cross rod.
Further, the magnetism isolating sealing mechanism comprises a groove arranged on the vertical support and a rubber hose arranged in the groove, the rubber hose is coated with magnetism isolating materials, and one end of the rubber hose is sealed while the other end of the rubber hose is connected with the air pump.
The rubber hose is provided with an air pressure sensor, and the air pressure sensor is connected with the air pump.
Further, the noise shielding mechanism comprises a substrate arranged on the iron plate, a silencing hole and a silencing cavity communicated with the silencing hole are arranged on the substrate corresponding to the transformer, and the width of the vertical section of the silencing cavity is gradually increased along with the deepening of the depth.
Further, the top end of the vertical support is provided with a cover plate matched with the lifting groove structure.
Further, the magnetism isolating material adopts zinc.
Further, the baffle is hinged with the support, an electric telescopic rod is arranged between the cover plate and the support, and the electric telescopic rod is connected with a controller, and the controller is connected with a photosensitive sensor.
The communication unit adopts GPRS wireless communication module, and control center adopts the industrial computer, the industrial computer is connected with display device, display device adopts wall-hanging public display screen, set up on the display device with the audible alarm ware that the industrial computer is connected, set up alarm module in the GIS system module, transformer electromagnetic monitoring information passes through wireless communication module and gives the industrial computer with trouble information transmission, and the staff inquires the trouble transformer position through geographic information system (GIS system module).
Further, the magnetism isolating material comprises the following components in parts by mass: iron oxide powder: 30-40 parts of talcum powder: 10-15 parts of chloroprene rubber: 22-28 parts of black-bone tobacco powder and 10-20 parts of black-bone tobacco powder.
The invention provides a GIS-based transformer substation electromagnetic radiation monitoring device, an outdoor transformer is usually arranged on a base, a sand is arranged around the base, a steel frame platform is paved above the sand, a shielding device in the invention is a lifting hidden device which is arranged by means of the steel frame platform, in the daily operation of the transformer, the shielding device lifts the steel frame platform to shield electromagnetic radiation and noise of the transformer, and when the transformer is required to be overhauled and maintained, the shielding device is lowered, the space on the steel frame platform is not influenced, and the overhauling and maintenance work of staff is facilitated. The shielding device is lifted or falls in the lifting groove through the lifting mechanism, and in order to ensure the shielding effect, the shielding device is required to be designed into a structure which surrounds the transformer in a three hundred sixty-degree dead angle-free mode, so that the shielding device comprises a bottom frame with a shape which is matched with that of the lifting groove, and the bottom frame is provided with an electromagnetic shielding mechanism and a noise shielding mechanism which can shield and absorb noise and electromagnetic radiation of the transformer through the lifting groove.
The bottom frame does not set up to a whole, but constitutes through a plurality of sections horizontal poles, and every section horizontal pole both ends set up vertical support, set up the iron plate between the vertical support of same section horizontal pole, and shield assembly still is an integer like this, can surround the transformer, but because the segmentation sets up, every section horizontal pole can go up and down respectively, can go up and down the operation to every section horizontal pole according to the condition like this when using, also need not drop to the steelframe platform below with whole shield assembly when needing to overhaul the transformer maintenance, and the operation is got up more nimble. The noise shielding mechanism is realized by arranging a silencing cavity on a substrate arranged on an iron plate, the substrate can be a foam plate, the mass is lighter, a silencing hole for absorbing noise and the silencing cavity connected with the silencing hole are arranged on one side of the transformer, when sound waves are transmitted from the transformer to the periphery, a part of sound waves directly enter the silencing cavity, most of the noise is consumed through reflection in the cavity, the whole structure surrounded by the substrate also locks most of the noise in the surrounding environment of the transformer, the noise is eliminated through repeated reflection or is reflected to enter the silencing cavity, the silencing cavity is wide in inside and narrow in opening, the structure is preferably a truncated cone-shaped structure, the top end of the truncated cone-shaped top is just the silencing hole, and the sound waves are difficult to go out because of the narrow silencing hole after entering the silencing hole, so that the energy of the sound waves is eliminated through reflection in the silencing cavity, and noise reduction is realized. Because be provided with on the steelframe platform with shield assembly matched with lift groove, after shield assembly descends, the lift groove can cause the influence to staff's action, and the apron sets up on the top of vertical support, and shield assembly descends the back, and the apron covers the lift groove for steelframe platform upper surface is level and smooth.
The electromagnetic radiation monitor and the noise monitor are arranged on the outer surface of the transformer and the outer side of the iron plate, so that the electromagnetic radiation and noise monitoring structure can have a good contrast effect, the electromagnetic and radiation shielding effect of the shielding device can be monitored by comparing the radiation and the noise on the surface of the transformer with the radiation and the noise on the outer side of the shielding device, and the electromagnetic and radiation shielding effect can be timely found and overhauled quickly when the shielding device has a problem. The power supply of electromagnetic radiation monitor and noise monitor can rely on the vibration energy conversion on transformer surface to realize, and the piezoelectric cantilever beam that the transformer surface set up can take place distortion and vibration under the vibration condition of transformer to change mechanical energy into the electric energy, the rethread rectifier is rectified the electric current that produces, and in storing the electric energy to the battery at last, the battery is through DC/DC power module right electromagnetic radiation monitor, noise monitor, communication unit supply power.
The shielding device forms a surrounding for the transformer, and the ventilation and heat dissipation problems can be caused, so that the influence is large in summer, the air inlet pipeline is arranged below the steel frame platform, and outside air directly enters the inner side of the shielding device through the air inlet pipeline to cool the transformer. If the flow speed of the air is too small, the air can be pressurized by the ventilating fan in the air inlet pipeline, so that the entering of external wind power is quickened, and the cooling effect is quickened.
The invention realizes the shielding and absorption of noise and radiation of the transformer through the lifting surrounding type shielding device, is flexible and convenient to use, does not influence the upper circuit of the transformer and the work of staff on the steel frame platform, has simple structure, does not need complex and expensive equipment, is easy to popularize, and can effectively reduce the environmental influence of the staff and surrounding residents of the transformer substation.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic top view of the present invention without a cover plate installed;
FIG. 3 is a schematic view of the sound deadening mechanism of the present invention;
FIG. 4 is a schematic view of the cross bar and vertical support connection of the present invention;
FIG. 5 is a schematic view of the structure of the deck plate and hydraulic lifting column of the present invention;
FIG. 6 is a schematic diagram of the structure of the monitoring mechanism of the present invention;
FIG. 7 is a schematic diagram of the connection of the monitoring mechanism modules according to the present invention.
Detailed Description
The following technical solutions of the present invention are further illustrated in conjunction with fig. 1 to 7, and specific embodiments are as follows:
example 1
As shown in fig. 1-7: the embodiment provides a transformer substation electromagnetic radiation monitoring device based on GIS, including setting up transformer 2 on base 7 the steelframe platform 1 that transformer 2 periphery set up and the shield assembly who goes up and down to set up on the steelframe platform, around on the steelframe platform the transformer sets up round lift groove 6, the lift groove below set up with lift groove shape matched with bottom frame 5, shield assembly is including setting up electromagnetic shielding mechanism and the noise shielding mechanism at bottom frame, set up elevating system on the bottom frame, transformer 2 surface with the outside of vertical support 11 sets up electromagnetic radiation monitor 18, noise monitor 19, electromagnetic radiation monitor 18 and noise monitor 19 pass through communication unit 20 and are connected with control center 23.
The outer surface of the transformer 2 is provided with a piezoelectric cantilever beam 26, the top end of the piezoelectric cantilever beam 26 is provided with a balancing weight 22, the piezoelectric cantilever beam 26 is connected with a storage battery 24 through a rectifier 21, and the storage battery 24 is connected with the electromagnetic radiation monitor 18, the noise monitor 19 and the communication unit 20 through a DC/DC power supply module 25.
Be equipped with pipe 28 on the transformer, be equipped with the pillar on the steelframe platform, be equipped with on the pillar with pipe sealing connection's baffle 27, the bottom frame is the combination, comprises a plurality of sections horizontal poles, electromagnetic shielding mechanism includes vertical support 11 that set up perpendicularly on the horizontal pole both ends, same section on the horizontal pole 10 set up the iron plate between the vertical support, be equipped with magnetism isolating seal mechanism between the vertical support.
Further, the lifting mechanism comprises a hydraulic lifting column corresponding to each section of the cross rod.
Further, the magnetism isolating sealing mechanism comprises a groove 35 arranged on the vertical support and a rubber hose 32 arranged in the groove 35, wherein magnetism isolating materials are coated outside the rubber hose, and one end of the rubber hose is sealed while the other end of the rubber hose is connected with the air pump. When the air pressure is lower than a set value, the programmable controller controls the air pump to work, air is supplied to the rubber hose to pressurize, and the air pressure in the rubber hose is constant, so that the sealing effect of the joint of the two brackets is good.
The rubber hose is provided with an air pressure sensor 33 which is connected with an air pump 34.
Further, the noise shielding mechanism comprises a substrate arranged on the iron plate, a silencing hole and a silencing cavity communicated with the silencing hole are arranged on the substrate corresponding to the transformer, and the width of the vertical section of the silencing cavity is gradually increased along with the deepening of the depth.
Further, the top end of the vertical support is provided with a cover plate matched with the lifting groove structure.
Further, the magnetism isolating material adopts zinc.
Further, the baffle is hinged with the support, an electric telescopic rod 29 is arranged between the cover plate and the support, the electric telescopic rod is connected with a controller, a programmable controller 31 and a photosensitive sensor 30 are arranged on the baffle in daytime, and the baffle is closed at night, so that rest of residents is not affected.
The inner side of the cross rod is connected with the base 7 in a sealing way through a rubber ring 9.
The communication unit adopts GPRS wireless communication module, and control center adopts the industrial computer, the industrial computer is connected with display device, display device adopts wall-hanging public display screen, set up on the display device with the audible alarm ware that the industrial computer is connected, set up alarm module in the GIS system module, transformer electromagnetic monitoring information passes through wireless communication module and gives the industrial computer with trouble information transmission, and the staff inquires the trouble transformer position through geographic information system (GIS system module).
The outdoor transformer is usually arranged on the base, a steel frame platform is paved around the base on the basis of cement land or soil or sand, and the shielding device is a lifting hidden device arranged by the steel frame platform. The shielding device is lifted or falls in the lifting groove through the lifting mechanism, and in order to ensure the shielding effect, the shielding device is required to be designed into a structure which surrounds the transformer in a three hundred sixty-degree dead angle-free mode, so that the shielding device comprises a bottom frame with a shape which is matched with that of the lifting groove, and the bottom frame is provided with an electromagnetic shielding mechanism and a noise shielding mechanism which can shield and absorb noise and electromagnetic radiation of the transformer through the lifting groove.
The lifting mechanism 8 comprises a hydraulic lifting column corresponding to each section of the cross rod 10;
the electromagnetic shielding mechanism 4 comprises vertical brackets 11 vertically arranged at two ends of the cross rod 10, and iron plates 12 are arranged between the vertical brackets 11 on the same section of the cross rod 10; the noise shielding mechanism 3 comprises a substrate 13 arranged on the iron plate 12, and the substrate 13 corresponds to the transformer 2
A silencing hole 15 and a silencing cavity 14 communicated with the silencing hole 15 are arranged, and the vertical section width of the silencing cavity 14 is gradually increased along with the deepening of the depth; the silencing cavity 14 is in a truncated cone shape; the top end of the vertical bracket 11 is provided with a cover plate 16 matched with the structure of the lifting groove 6.
The bottom frame does not set up to a whole, but constitutes through a plurality of sections horizontal poles, and every section horizontal pole both ends set up vertical support, set up the iron plate between the vertical support of same section horizontal pole, and shield assembly still is an integer like this, can surround the transformer, but because the segmentation sets up, every section horizontal pole can go up and down respectively, can go up and down the operation to every section horizontal pole according to the condition like this when using, also need not drop to the steelframe platform below with whole shield assembly when needing to overhaul the transformer maintenance, and the operation is got up more nimble. The noise shielding mechanism is realized by arranging a silencing cavity on a substrate arranged on an iron plate, the substrate can be a foam plate, the mass is lighter, a silencing hole for absorbing noise and the silencing cavity connected with the silencing hole are arranged on one side of the transformer, when sound waves are transmitted from the transformer to the periphery, a part of sound waves directly enter the silencing cavity, most of the noise is consumed through reflection in the cavity, the whole structure surrounded by the substrate also locks most of the noise in the surrounding environment of the transformer, the noise is eliminated through repeated reflection or is reflected to enter the silencing cavity, the silencing cavity is wide in inside and narrow in opening, the structure is preferably a truncated cone-shaped structure, the top end of the truncated cone-shaped top is just the silencing hole, and the sound waves are difficult to go out because of the narrow silencing hole after entering the silencing hole, so that the energy of the sound waves is eliminated through reflection in the silencing cavity, and noise reduction is realized. Because be provided with on the steelframe platform with shield assembly matched with lift groove, after shield assembly descends, the lift groove can cause the influence to staff's action, and the apron sets up on the top of vertical support, and shield assembly descends the back, and the apron covers the lift groove for steelframe platform upper surface is level and smooth.
The electromagnetic radiation monitor and the noise monitor are arranged on the outer surface of the transformer and the outer side of the iron plate, so that the electromagnetic radiation and noise monitoring structure can have a good contrast effect, the electromagnetic and radiation shielding effect of the shielding device can be monitored by comparing the radiation and the noise on the surface of the transformer with the radiation and the noise on the outer side of the shielding device, the shielding device can be found out timely when the shielding device has a problem, the rapid maintenance can be realized, and the communication unit can adopt a GPRS communication module and is easier to realize through wireless transmission. The power supply of electromagnetic radiation monitor and noise monitor can rely on the vibration energy conversion on transformer surface to realize, and the piezoelectric cantilever beam that the transformer surface set up can take place distortion and vibration under the vibration condition of transformer to change mechanical energy into the electric energy, the rethread rectifier is rectified the electric current that produces, and in storing the electric energy to the battery at last, the battery is through DC/DC power module right electromagnetic radiation monitor, noise monitor, communication unit supply power.
The second embodiment differs from the first embodiment in that: the magnetism isolating material consists of the following components in parts by mass: iron oxide powder: 30 parts of talcum powder: 10 parts of chloroprene rubber: 22 parts of black tobacco powder and 10 parts of black tobacco powder.
Embodiment three differs from embodiment one in that: the magnetism isolating material consists of the following components in parts by mass: iron oxide powder: 40 parts of talcum powder: 15 parts of chloroprene rubber: 28 parts of black tobacco powder and 20 parts of black tobacco powder.
Embodiment IV differs from embodiment I in that:
the magnetism isolating material consists of the following components in parts by mass: iron oxide powder: 35 parts of talcum powder: 12 parts of chloroprene rubber: 25 parts of black-bone tobacco powder and 15 parts of black-bone tobacco powder.
The electromagnetic detector is placed at a position which is 2 meters away from the iron plate by using the magnetic isolation material, the electromagnetic radiation is smaller than that of a fixed telephone, and the electromagnetic radiation is larger than that of 10 mobile telephones by using the magnetic isolation material in the prior art.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (8)
1. GIS-based substation electromagnetic radiation monitoring device is characterized in that: the transformer comprises a transformer arranged on a base, a steel frame platform arranged on the periphery of the transformer and a shielding device arranged on the steel frame platform in a lifting manner, wherein a circle of lifting grooves are formed on the steel frame platform around the transformer, a bottom frame matched with the lifting grooves is arranged below the lifting grooves, the shielding device comprises an electromagnetic shielding mechanism and a noise shielding mechanism which are arranged on the bottom frame, the bottom frame is provided with a lifting mechanism, the electromagnetic shielding mechanism comprises vertical supports which are vertically arranged at two ends of a cross rod, an iron plate is arranged between the vertical supports on the same section of the cross rod, and a magnetism isolating sealing mechanism is arranged between the vertical supports; the transformer is characterized in that an electromagnetic radiation monitor and a noise monitor are arranged on the outer side of the vertical support, the electromagnetic radiation monitor and the noise monitor are connected with a control center through a communication unit, a piezoelectric cantilever beam is arranged on the outer surface of the transformer, a balancing weight is arranged on the top end of the piezoelectric cantilever beam, the piezoelectric cantilever beam is connected with a storage battery through a rectifier, the storage battery is connected with the electromagnetic radiation monitor, the noise monitor and the communication unit through a DC/DC power module, a guide pipe is arranged on the transformer, a support column is arranged on a steel frame platform, a baffle plate connected with the guide pipe in a sealing mode is arranged on the support column, and the bottom frame is composed of a plurality of sections of cross bars.
2. The GIS-based substation electromagnetic radiation monitoring device of claim 1, wherein: the lifting mechanism comprises a hydraulic lifting column corresponding to each section of the cross rod.
3. The GIS-based substation electromagnetic radiation monitoring device of claim 2, wherein: the magnetism isolating sealing mechanism comprises a groove arranged on the vertical support and a rubber hose arranged in the groove, wherein magnetism isolating materials are coated outside the rubber hose, and one end of the rubber hose is sealed while the other end of the rubber hose is connected with the air pump.
4. A GIS-based substation electromagnetic radiation monitoring device according to claim 3, wherein: the rubber hose is provided with an air pressure sensor, and the air pressure sensor is connected with the air pump.
5. The GIS-based substation electromagnetic radiation monitoring device of claim 4, wherein: the noise shielding mechanism comprises a substrate arranged on the iron plate, a silencing hole and a silencing cavity communicated with the silencing hole are arranged on the substrate corresponding to the transformer, and the width of the vertical section of the silencing cavity is gradually increased along with the deepening of the depth.
6. The GIS-based substation electromagnetic radiation monitoring device of claim 5, wherein: and the top end of the vertical support is provided with a cover plate matched with the lifting groove structure.
7. The GIS-based substation electromagnetic radiation monitoring device of claim 6, wherein: the magnetism isolating material adopts zinc.
8. The GIS-based substation electromagnetic radiation monitoring device of claim 7, wherein: the baffle is hinged with the support, an electric telescopic rod is arranged between the cover plate and the support, and the electric telescopic rod is connected with a controller, and the controller is connected with a photosensitive sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611008500.5A CN106771656B (en) | 2016-11-16 | 2016-11-16 | Substation electromagnetic radiation monitoring device based on GIS |
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| CN201611008500.5A CN106771656B (en) | 2016-11-16 | 2016-11-16 | Substation electromagnetic radiation monitoring device based on GIS |
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| CN106771656B true CN106771656B (en) | 2023-09-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107578899B (en) * | 2017-09-14 | 2019-02-12 | 浙江东电变压器有限公司 | A kind of transformer is automatic every magnetic device with cooling function |
| CN107578884B (en) * | 2017-09-14 | 2019-03-12 | 国网河南省电力公司周口供电公司 | A kind of anti-tidal rip magnetic device of transformer |
| CN107424802B (en) * | 2017-09-14 | 2019-04-16 | 江苏天利机电有限公司 | A kind of transformer is every magnetic device |
| CN107464676B (en) * | 2017-09-14 | 2019-03-12 | 国网河南省电力公司周口供电公司 | A kind of transformer is automatically every magnetic device |
| CN107622859B (en) * | 2017-09-14 | 2019-04-19 | 浙江欧霖涂料有限公司 | A kind of anti-toy transformer is every magnetic device |
| CN108729703A (en) * | 2018-08-31 | 2018-11-02 | 国网河南省电力公司方城县供电公司 | A kind of ground level transformer auxiliary system |
| CN109065341A (en) * | 2018-08-31 | 2018-12-21 | 国网河南省电力公司方城县供电公司 | A kind of substation's high-power transformer is every magnetic noise reduction system |
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