CN113066648B - Noise reduction protection device and method for extra-high voltage transformer - Google Patents
Noise reduction protection device and method for extra-high voltage transformer Download PDFInfo
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- CN113066648B CN113066648B CN202110326046.2A CN202110326046A CN113066648B CN 113066648 B CN113066648 B CN 113066648B CN 202110326046 A CN202110326046 A CN 202110326046A CN 113066648 B CN113066648 B CN 113066648B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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Abstract
The invention discloses an extra-high voltage transformer noise reduction protection device and a method thereof, belonging to the technical field of electric power operation and maintenance, and comprising four noise reduction protection units arranged around an extra-high voltage transformer, wherein each noise reduction protection unit comprises a slide rail, an electric slide block, a rotating wheel and a sound insulation sheet; the slide rail both sides all set up and are used for driving a plurality of runner pivoted actuating mechanism, and be used for controlling actuating mechanism keeps away from or is close to the telescopic machanism of runner. The invention can play the roles of noise reduction and protection on the extra-high voltage transformer, and has the characteristics of good heat dissipation and convenient maintenance.
Description
Technical Field
The invention relates to the technical field of electric power operation and maintenance, in particular to an extra-high voltage transformer noise reduction protection device and an extra-high voltage transformer noise reduction protection method.
Background
In recent years, due to the advantages of an extra-high voltage alternating current and direct current power grid in long-distance power transmission, cross-regional networking, flexible scheduling and the like, the extra-high voltage alternating current and direct current project is rapidly developed, and the requirements on environmental protection are higher and higher along with the development of power grid construction; the extra-high voltage alternating current and direct current project must guarantee the environment, but in the new problem that the direct current transmission project that has already run appears, extra-high voltage converter station noise source includes converter transformer, smoothing reactor, alternating current filter group and valve cooling equipment etc. wherein converter transformer is the most important noise source, and transformer body noise mainly comes from the iron core vibration that silicon steel sheet magnetostriction arouses during the iron core excitation, and 2 times of power frequency is the fundamental frequency, and the work and the life of staff and the resident around it are influenced seriously to the noise that produces.
The traditional noise reduction method is to install a sound barrier on the outer side of the extra-high voltage transformer body, is simple and easy to implement, is applied to partial transformers, but is poor in noise reduction effect of a single sound barrier, and wastes time and labor as the whole sound barrier needs to be removed when the extra-high voltage transformer is replaced. Patent document for CN 106013865A discloses a protector of making an uproar falls in outdoor power transformer, including lateral wall, roof and a supporting beam, the lateral wall from interior to exterior includes foam concrete wall body and PVC board in proper order, the lateral surface coating transparent waterproof material of foam concrete wall body, the medial surface coating of PVC board is inhaled the sound coating, the clearance has between foam concrete wall body and the PVC board, the roof lid is established the upper portion of lateral wall, with the lateral wall constitutes jointly power transformer's protection cavity, the lateral wall set up the door opening and with door opening complex door plant. The device has good sound insulation effect, effectively reduces outward transmission of noise and reduces noise pollution. However, this invention affects heat dissipation and is inconvenient to overhaul. Also, for example, patent document No. CN 201893227U discloses a ventilation and noise reduction device for an extra-high voltage converter transformer, which includes a sound insulation cover composed of a firewall disposed at both sides of the converter transformer, an outer wall of a valve hall at the rear side of the converter transformer, a sound insulation door disposed at both sides of a heat dissipation fan, and a sound insulation plate disposed above the converter transformer, a sound absorption plate disposed below the sound insulation plate and spaced from the sound insulation plate by a cavity, a first exhaust silencer disposed in front of the heat dissipation fan, an air intake silencer disposed at a proper position of the top of the sound insulation cover near the outer wall of the valve hall, emergency exhaust fans disposed at the left and right sides of the top of the sound insulation cover at a middle front position, and a second exhaust silencer disposed above the emergency exhaust fans, and a temperature control system connected to the heat dissipation fans and the emergency fans. The utility model discloses a, can fall making an uproar to converter transformer and cooling fan effectively to converter transformer's ventilation cooling effect has been guaranteed. However, this patent document also has a problem that it is inconvenient to detach during maintenance, and cannot solve the above-mentioned technical problem.
Disclosure of Invention
In view of this, the invention provides a noise reduction protection device and a method thereof for an extra-high voltage transformer, which are capable of noise reduction protection, good in heat dissipation and convenient to maintain, and aims to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an extra-high voltage transformer noise reduction protection device comprises four noise reduction protection units arranged around an extra-high voltage transformer, wherein each noise reduction protection unit comprises a slide rail, an electric slide block, a rotating wheel and a sound insulation sheet; the slide rail both sides all set up and are used for driving a plurality of runner pivoted actuating mechanism, and be used for controlling actuating mechanism keeps away from or is close to the telescopic machanism of runner.
Further, actuating mechanism includes chassis, driving motor, drive gear and double-tooth belt, set up two on the chassis driving motor, two driving motor's output shaft all sets up one drive gear, two drive gear all with the internal tooth intermeshing of double-tooth belt is a plurality of the runner all with the external tooth intermeshing of double-tooth belt.
Furthermore, telescopic machanism is including being fixed in a plurality of telescopic links of slide rail side, and is a plurality of the tip of telescopic link all is fixed in the support horizontal pole, set up a plurality of support montants on the support horizontal pole perpendicularly, it is a plurality of the upper end of supporting the montant all with chassis fixed connection.
Furthermore, the telescopic mechanism comprises a screw rod and a motor, the threads of the left part and the right part of the screw rod are opposite, screw holes are formed in two ends of the underframe, the two underframe are connected through the two screw rods, and the two screw rods are driven by the motor; two pulleys are arranged below the bottom frame, two sliding grooves are formed in the outer sides of the sliding rails, and the pulleys are located in the sliding grooves.
Furthermore, two driving motor is located respectively the chassis both ends, two set up a plurality of driven gear between the drive gear, it is a plurality of driven gear all with the internal gearing of double-tooth belt.
Furthermore, the telescopic links are hydraulic telescopic links or electric telescopic links, and the number of telescopic links is two, is located respectively the both ends of slide rail.
Furthermore, the intelligent noise reduction device further comprises a noise sensor, a control system and an intelligent terminal, wherein the noise sensor, the electric sliding block, the driving motor and the telescopic rod are connected with the control system through signal lines, and the control system is connected with the intelligent terminal through wireless signals.
An extra-high voltage transformer noise reduction protection method is characterized by comprising the following steps:
s1: four noise reduction protection units are distributed around the extra-high voltage transformer, and a plurality of sound insulation sheets are uniformly distributed;
s2: the noise sensor monitors noise emitted by the ultra-high voltage transformer in real time, when the noise is higher than a preset value, the control system controls the driving motor to rotate for a certain angle, so that the plurality of sound insulation sheets are in mutual contact to form a closed sound insulation wall, and when the noise is lower than the preset value, the control system controls the driving motor to rotate reversely for a certain angle, so that a gap is reserved between every two adjacent sound insulation sheets, and heat dissipation is performed;
s3: when the extra-high voltage transformer is overhauled, the control system controls the driving motor to rotate, so that the plurality of sound insulation sheets are in a vertical state, then the telescopic mechanism is controlled, the driving mechanism is far away from the rotating wheel, the electric sliding block is controlled to move, so that the plurality of sound insulation sheets move to one end of the sliding rail, and an overhauling surface is formed for an inspector to overhaul;
s4: and after the overhaul is finished, sequentially controlling the electric sliding block, the telescopic mechanism and the driving mechanism to reset the plurality of sound insulation sheets.
Compared with the prior art, the invention has the following beneficial effects:
according to the noise reduction protection device for the extra-high voltage transformer, the noise reduction protection units are respectively arranged on the periphery of the extra-high voltage transformer, the four noise reduction protection units jointly form a comprehensive sound insulation protection barrier, noise emitted by the extra-high voltage transformer can be effectively reduced, the four noise reduction protection units are mutually independent, when any one surface of the extra-high voltage transformer is overhauled, only the noise reduction protection unit on the surface needs to be controlled to be overlapped, the convenience is high, the overhaul is timely, and the safe and stable operation of a transformer substation is effectively maintained.
According to the noise reduction protection unit, the sliding rail is provided with the plurality of electric sliding blocks in a sliding mode, the electric sliding blocks are provided with the rotating wheels in a rotating mode, the rotating wheels are driven by the driving mechanism, the sound insulation sheets are fixedly arranged on the rotating wheels and rotate along with the rotating wheels, when the noise emitted by the extra-high voltage transformer is large, the sound insulation sheets are controlled to rotate, the edges of the sound insulation sheets are made to contact with one another, and the noise reduction protection effect is improved; when the noise emitted by the extra-high voltage transformer is small, the sound insulation sheets are controlled to rotate reversely, so that gaps are reserved among the sound insulation sheets, air circulation is accelerated, and heat dissipation is prevented from being influenced; when a certain face of extra-high voltage needs to be overhauled, the plurality of sound insulation pieces controlling the face rotate, the straight line where the bottom edge of the sound insulation pieces is located is perpendicular to the horizontal line, then the rotating wheel is controlled to be far away from through the telescopic mechanism, the plurality of sound insulation pieces are controlled to be moved to one side of the sliding rail through the electric sliding block, at the moment, the space occupied by the sound insulation pieces of the face is minimum, and therefore the largest overhauling face is reserved for operation and maintenance personnel to overhaul.
According to the driving mechanism, the two driving motors on the underframe drive the double-tooth belt to rotate so as to drive the plurality of sound insulation sheets to rotate, and the driving mechanism is good in synchronism, stable in structure and good in energy saving property; the chassis is connected with the slide rail through the telescopic mechanism, so that the driving mechanism is far away from the rotating wheel when the transformer needs to be overhauled, and the electric sliding block is not influenced to move the sound insulation sheet to one side of the slide rail.
The noise reduction protection device for the ultra-high voltage transformer is characterized in that a noise reduction protection unit, a driving mechanism, a telescopic mechanism, a noise sensor and a control system are matched with each other, the control system automatically controls a plurality of sound insulation sheets of the noise reduction protection unit to act according to real-time monitoring data of the noise sensor, noise reduction and heat dissipation are both considered, in addition, when maintenance is needed, an intelligent terminal of operation and maintenance personnel sends an instruction to the control system, the noise reduction protection unit is overlapped and maintained, the noise reduction protection unit is prevented from being opened by other personnel through misoperation, and therefore a protection effect is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a top view of the drive mechanism in accordance with one embodiment of the present invention;
FIG. 3 is a front view of a telescoping mechanism in accordance with one embodiment of the invention;
FIG. 4 is a front view of a telescoping mechanism in a second embodiment of the invention;
FIG. 5 is a top view of a telescoping mechanism according to a second embodiment of the invention;
fig. 6 is a circuit connection block diagram of the third embodiment of the present invention.
The system comprises a 1-extra-high voltage transformer, a 2-sliding rail, a 3-electric sliding block, a 4-rotating wheel, a 5-sound insulation sheet, a 6-underframe, a 7-driving motor, a 8-driving gear, a 9-double-tooth belt, a 10-driven gear, a 11-telescopic rod, a 12-supporting cross rod, a 13-supporting vertical rod, a 14-screw rod, a 15-first belt pulley, a 16-supporting fixed rod, a 17-second bearing, a 41-rotating shaft, a 42-wheel body and a 43-first bearing.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example one
As shown in fig. 1 to 3, an extra-high voltage transformer noise reduction protection device includes four noise reduction protection units disposed around an extra-high voltage transformer 1, where each noise reduction protection unit includes a slide rail 2, an electric slider 3, a rotating wheel 4 and a sound insulation sheet 5, the slide rail 2 is slidably disposed with a plurality of electric sliders 3, each electric slider 3 is rotatably connected with one rotating wheel 4, and each rotating wheel 4 is fixedly disposed with one sound insulation sheet 5; the two sides of the sliding rail 2 are provided with a driving mechanism for driving the rotating wheels 4 to rotate and a telescopic mechanism for controlling the driving mechanism to be far away from or close to the rotating wheels 4.
The rotating wheel 4 comprises a rotating shaft 41 and a wheel body 42, the wheel body 42 is fixed in the middle of the rotating shaft 41, the lower part of the rotating shaft 41 is arranged on the electric sliding block 3 through a first bearing 43, and the sound insulation sheet 5 is fixed on the top of the rotating shaft 41.
Actuating mechanism includes chassis 6, driving motor 7, drive gear 8 and double-tooth belt 9, set up two on the chassis 6 driving motor 7, two driving motor 7's output shaft all sets up one drive gear 8, two drive gear 8 all with the internal tooth intermeshing of double-tooth belt 9 is a plurality of runner 4 all with the external tooth intermeshing of double-tooth belt 9. The two driving motors 7 are respectively positioned at two ends of the bottom frame 6, a plurality of driven gears 10 are arranged between the driving gears 8, and the driven gears 10 are all meshed with the inner teeth of the double-tooth belt 9.
Telescopic machanism is including being fixed in a plurality of telescopic links 11 of 2 sides of slide rail, it is a plurality of the tip of telescopic link 11 all is fixed in and supports horizontal pole 12, support and set up a plurality of support montants 13 on the horizontal pole 12 perpendicularly, it is a plurality of the upper end of supporting montant 13 all with 6 fixed connection of chassis. The telescopic rods 11 are hydraulic telescopic rods, and the number of the telescopic rods 11 is two and the two telescopic rods are respectively positioned at two ends of the slide rail 2.
In the embodiment of the invention, because the driving mechanism only rotates a certain angle each time, the double-tooth belt is adopted, so that the plurality of rotating wheels adopt a tooth connection transmission mode, the slipping problem of a common belt under the condition of short rotating distance can not occur, thereby ensuring the consistent action of each sound insulation board and ensuring the noise reduction protection effect.
Example two
As shown in fig. 4 to 5, the extra-high voltage transformer noise reduction protection device according to the embodiment of the present invention is different from the first embodiment in that:
the telescopic mechanism comprises a screw rod 14 and a motor, the threads of the left part and the right part of the screw rod 14 are opposite, screw holes are formed in two ends of the underframe 6, the two underframe 6 are connected through the two screw rods 14, and the two screw rods 14 are driven by the motor; two pulleys are arranged below the underframe 6, two sliding grooves are formed in the outer sides of the sliding rails, and the pulleys are located in the sliding grooves.
Two the one end of screw rod 14 all sets up second bearing 17, and the tip all sets up first belt pulley 15, two second bearing 17 lower part sets up support fixed lever 16, set up the second belt pulley on the output shaft of motor, the second belt pulley with two first belt pulley 15 passes through the belt and connects the transmission.
In the embodiment of the invention, the two driving mechanisms on the two sides of the sliding rail are connected through the two screw rods, when the driving mechanisms are required to be far away from the rotating wheel, the switch of the motor is turned on to drive the screw rods to rotate, and because the threads of the two parts of the screw rods are opposite, the two driving mechanisms are far away from each other, when the driving mechanisms are required to be close to the rotating wheel, the motor is controlled to rotate reversely, and the two driving mechanisms are close to each other.
The length of the bottom frame is larger than that of the sliding rail, and the two screw rods are arranged at two ends of the bottom frame, so that the sliding of the electric sliding blocks on the sliding rail is not influenced.
EXAMPLE III
As shown in fig. 6, the extra-high voltage transformer noise reduction protection device according to the embodiment of the present invention is different from the first embodiment in that:
the telescopic link is electric telescopic link. The intelligent telescopic rod type electric car is characterized by further comprising a noise sensor, a control system and an intelligent terminal, wherein the noise sensor, the electric sliding block, the driving motor and the telescopic rod are connected with the control system through signal lines, and the control system is connected with the intelligent terminal through wireless signals. The intelligent terminal is an intelligent mobile phone. The control system comprises a controller and a signal receiving and transmitting module, the noise sensor is connected with the input end of the controller, the electric slider, the driving motor and the telescopic rod are connected with the output end of the controller, and the controller is connected with the wireless information of the smart phone through the signal receiving and transmitting module.
In the embodiment of the invention, the noise sensor arranged between the ultra-high voltage transformer and the noise reduction protection unit transmits noise information to the control system in real time, when the noise is higher than a preset value, the control system automatically controls the driving motor to rotate, so that the plurality of sound insulation sheets are mutually contacted, the sound insulation effect is improved, and when the noise is lower than the preset value, the control system controls the driving motor to reversely rotate, so that a gap is reserved between every two adjacent sound insulation sheets, and the heat dissipation is accelerated.
Example four
As shown in fig. 1, 2, 3 and 6, an extra-high voltage transformer noise reduction protection device comprises four noise reduction protection units arranged around an extra-high voltage transformer, wherein each noise reduction protection unit comprises a slide rail, an electric slide block, a rotating wheel and a sound insulation sheet, the slide block on the slide rail is provided with a plurality of electric slide blocks, each electric slide block is rotatably connected with one rotating wheel, and each rotating wheel is fixedly provided with one sound insulation sheet; the slide rail both sides all set up and are used for driving a plurality of runner pivoted actuating mechanism, and be used for controlling actuating mechanism keeps away from or is close to the telescopic machanism of runner.
The runner includes pivot and wheel body, the wheel body is fixed in the middle part of pivot, the lower part of pivot is passed through the bearing and is set up on the electronic slider, the upper portion of pivot passes the wheel body, the sound insulation piece is fixed in the top of pivot.
Actuating mechanism includes chassis, driving motor, drive gear and double-tooth belt, set up two on the chassis driving motor, two driving motor's output shaft all sets up one drive gear, two drive gear all with the internal tooth intermeshing of double-tooth belt, it is a plurality of the runner all with the external tooth intermeshing of double-tooth belt. Two driving motor is located respectively the chassis both ends, two set up a plurality of driven gear between the drive gear, it is a plurality of driven gear all with the internal gearing of double-tooth belt.
Telescopic machanism is including being fixed in a plurality of telescopic links of slide rail side, it is a plurality of the tip of telescopic link all is fixed in and supports the horizontal pole, support and set up a plurality of support montants on the horizontal pole perpendicularly, it is a plurality of support montant and upper end all with chassis fixed connection. The telescopic links are hydraulic telescopic links, and the number of telescopic links is two, is located respectively the both ends of slide rail.
The telescopic rod is an electric telescopic rod. The intelligent telescopic rod type electric car is characterized by further comprising a noise sensor, a control system and an intelligent terminal, wherein the noise sensor, the electric sliding block, the driving motor and the telescopic rod are connected with the control system through signal lines, and the control system is connected with the intelligent terminal through wireless signals. The intelligent terminal is an intelligent mobile phone. The control system comprises a controller and a signal receiving and transmitting module, the noise sensor is connected with the input end of the controller, the electric slider, the driving motor and the telescopic rod are connected with the output end of the controller, and the controller is connected with the wireless information of the smart phone through the signal receiving and transmitting module.
The embodiment of the invention is different from the third embodiment in that: the method for protecting the noise reduction of the extra-high voltage transformer is characterized by comprising the following steps:
S1: four noise reduction protection units are distributed around the extra-high voltage transformer, and a plurality of sound insulation sheets are uniformly distributed;
s2: the noise sensor monitors the noise emitted by the extra-high voltage transformer in real time, when the noise is higher than a preset value, the control system controls the driving motor to rotate for a certain angle, so that the sound insulation sheets are in mutual contact to form a closed sound insulation wall, and when the noise is lower than the preset value, the control system controls the driving motor to rotate reversely for a certain angle, so that a gap is reserved between every two adjacent sound insulation sheets, and heat dissipation is performed;
s3: when the extra-high voltage transformer is overhauled, an intelligent terminal of an operation and maintenance person sends an instruction to a control system, the control system controls a driving motor to rotate, so that the sound insulation sheets are in a vertical state, then controls the telescopic mechanism to enable the driving mechanism to be far away from the rotating wheel, and then controls the electric sliding block to move, so that the sound insulation sheets move to one end of the sliding rail to form an overhaul surface for the operation and maintenance person to overhaul;
s4: and after the overhaul is finished, sequentially controlling the electric sliding block, the telescopic mechanism and the driving mechanism to enable the sound insulation pieces to be reset to the initial state.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The utility model provides an extra-high voltage transformer protector of making an uproar falls which characterized in that: the ultra-high voltage transformer noise reduction protection device comprises four noise reduction protection units arranged around an ultra-high voltage transformer, wherein each noise reduction protection unit comprises a slide rail, an electric slide block, a rotating wheel and a sound insulation sheet; both sides of the sliding rail are provided with a driving mechanism for driving the rotating wheels to rotate and a telescopic mechanism for controlling the driving mechanism to be far away from or close to the rotating wheels; the driving mechanism comprises a chassis, driving motors, driving gears and a double-tooth belt, wherein the chassis is provided with two driving motors, output shafts of the two driving motors are respectively provided with one driving gear, the two driving gears are respectively meshed with inner teeth of the double-tooth belt, and a plurality of rotating wheels are respectively meshed with outer teeth of the double-tooth belt;
The telescopic mechanism comprises a plurality of telescopic rods fixed on the side surface of the sliding rail, the end parts of the telescopic rods are all fixed on a supporting cross rod, a plurality of supporting vertical rods are vertically arranged on the supporting cross rod, and the upper ends of the supporting vertical rods are all fixedly connected with the underframe;
or the telescopic mechanism comprises a screw rod and a motor, the threads of the left part and the right part of the screw rod are opposite, screw holes are formed in two ends of the underframe, the two underframe are connected through the two screw rods, and the two screw rods are driven by the motor; two pulleys are arranged below the underframe, two sliding grooves are arranged on the outer sides of the sliding rails, and the pulleys are located in the sliding grooves;
the noise reduction protection method of the extra-high voltage transformer noise reduction protection device comprises the following steps:
s1: four noise reduction protection units are distributed around the extra-high voltage transformer, and a plurality of sound insulation sheets are uniformly distributed;
s2: the noise sensor monitors noise emitted by the ultra-high voltage transformer in real time, when the noise is higher than a preset value, the control system controls the driving motor to rotate for a certain angle, so that the plurality of sound insulation sheets are in mutual contact to form a closed sound insulation wall, and when the noise is lower than the preset value, the control system controls the driving motor to rotate reversely for a certain angle, so that a gap is reserved between every two adjacent sound insulation sheets, and heat dissipation is performed;
S3: when the extra-high voltage transformer is overhauled, the control system controls the driving motor to rotate, so that the plurality of sound insulation sheets are in a vertical state, then the telescopic mechanism is controlled, the driving mechanism is far away from the rotating wheel, the electric sliding block is controlled to move, so that the plurality of sound insulation sheets move to one end of the sliding rail, and an overhauling surface is formed for an inspector to overhaul;
s4: and after the overhaul is finished, sequentially controlling the electric sliding block, the telescopic mechanism and the driving mechanism to reset the plurality of sound insulation sheets.
2. The extra-high voltage transformer noise reduction protection device of claim 1, wherein: two driving motor is located respectively the chassis both ends, two set up a plurality of driven gear between the drive gear, it is a plurality of driven gear all with the internal tooth meshing of double-tooth belt.
3. The extra-high voltage transformer noise reduction protection device of claim 1, wherein: the telescopic link is hydraulic telescoping rod or electric telescopic handle, the quantity of telescopic link is two, is located respectively the both ends of slide rail.
4. The extra-high voltage transformer noise reduction protection device of claim 2, wherein: the intelligent telescopic rod type electric car is characterized by further comprising a noise sensor, a control system and an intelligent terminal, wherein the noise sensor, the electric sliding block, the driving motor and the telescopic rod are connected with the control system through signal lines, and the control system is connected with the intelligent terminal through wireless signals.
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| CN210039893U (en) * | 2019-04-16 | 2020-02-07 | 中国电力工程顾问集团中南电力设计院有限公司 | Transformer noise reduction barrier device capable of being quickly disassembled and assembled |
| CN110233021A (en) * | 2019-06-20 | 2019-09-13 | 许昌中天宇光电气技术有限公司 | A kind of stable transformer-cabinet with heat sinking function of installation |
| CN110726313A (en) * | 2019-10-28 | 2020-01-24 | 南京常荣声学股份有限公司 | Device that can be used to ventilation cooling tower energy-conservation carries effect in coordination to fall and makes an uproar |
| CN211479843U (en) * | 2020-04-28 | 2020-09-11 | 河北万庆电力器材科技有限公司 | Transformer with noise reduction function |
| CN212694938U (en) * | 2020-07-30 | 2021-03-12 | 武汉创蒲电子有限公司 | Transformer safety device |
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| CN113066648A (en) | 2021-07-02 |
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