CN114449859A - Pre-buried formula stable form medium voltage converter for wind-powered electricity generation - Google Patents

Pre-buried formula stable form medium voltage converter for wind-powered electricity generation Download PDF

Info

Publication number
CN114449859A
CN114449859A CN202210122959.7A CN202210122959A CN114449859A CN 114449859 A CN114449859 A CN 114449859A CN 202210122959 A CN202210122959 A CN 202210122959A CN 114449859 A CN114449859 A CN 114449859A
Authority
CN
China
Prior art keywords
air
voltage converter
embedded
medium
box
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.)
Withdrawn
Application number
CN202210122959.7A
Other languages
Chinese (zh)
Inventor
程海玉
文晓刚
戴婷
应宇佳
姬红旭
檀宗正
王璇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Nanhu University
Original Assignee
Jiaxing Nanhu University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiaxing Nanhu University filed Critical Jiaxing Nanhu University
Priority to CN202210122959.7A priority Critical patent/CN114449859A/en
Publication of CN114449859A publication Critical patent/CN114449859A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20145Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/28Selection of materials for use as drying agents
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/14Mounting supporting structure in casing or on frame or rack
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20409Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
    • H05K7/20418Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Patch Boards (AREA)

Abstract

The invention discloses a pre-embedded stable medium-voltage converter for wind power, which comprises a protective box body and an inner box, wherein an embedded plate is embedded and installed on the inner side of the bottom of the protective box body, a floor pasting plate is installed at the bottom of the embedded plate, and the inner box is installed at the top of the floor pasting plate through bolts; the dampproof course is installed to the inboard of inner box, the install bin is installed to the inboard of dampproof course, install the gomphosis draw-in groove on the both sides inner wall of install bin, and is two sets of spacing card strip is installed to the inboard gomphosis of gomphosis draw-in groove, and is two sets of install the backup pad between the spacing card strip, medium voltage current transformer is installed at the top of backup pad. According to the invention, the overload protector is arranged, in the operation process of the medium-voltage converter, electric power can pass through the overload protector, the overload protector monitors the electric charge of the circuit, when the electric charge exceeds a specified value, the overload protector operates to disconnect the circuit, the electric appliances on the circuit are prevented from being influenced and damaged by the electric charge, and the safety of the circuit is ensured.

Description

Pre-buried formula stable form medium voltage converter for wind-powered electricity generation
Technical Field
The invention relates to the technical field of converters, in particular to a pre-embedded stable medium-voltage converter for wind power.
Background
Wind power generation is more and more widely applied, in the process of wind power generation, a medium-voltage converter is needed to rectify current of wind power generation into direct current, then the direct current is inverted into alternating current through an inverter, the current is set into electric energy capable of being connected to the internet, and the direct current and the alternating current are matched with each other to finish conversion of natural wind power resources into electric power resources.
The current transformer in the prior art has the following defects:
1. patent document CN209748421U discloses a rectifier with dual heat dissipation, which comprises a machine body, wherein an indicator lamp is arranged on the upper surface of the machine body, a third interface is arranged on the lower surface of the machine body close to the second interface, a fixing frame is arranged on the outer surface of the machine body, a fixing strip is fixedly connected to one end of the fixing frame, a motor is arranged at one end of the fixing strip, a connecting block is arranged on the outer surface of the fixing frame, and a fixing screw is arranged inside the connecting block, so that the rectifier with dual heat dissipation can rotate the fan blade by matching the fan blade, a rotating ring, a heat dissipation fan switch, a first ventilation network and a second ventilation network, thereby discharging internal hot air, sucking external air through the first ventilation network and the second ventilation network, and greatly preventing the device from damaging equipment due to overheating of the internal air, the service life of the device is prolonged. "traditional device can't adapt to the environment of burying deeply underground, and the device is installed and is taken up a large amount of spaces on ground.
2. Patent document CN215580929U discloses a rectifier with a terminal protection structure, which comprises a main body mechanism, a connection mechanism, a protection mechanism and a buckle mechanism, wherein the connection mechanism is fixed on the surface of the upper end of the main body mechanism, the protection mechanism is installed outside the connection mechanism, and the buckle mechanism is installed on two sides of the lower end of the connection mechanism; the guard mechanism includes: and the insulating sleeve wraps the outside of the connecting mechanism. This rectifier with end protective structure, the main part mechanism of setting comes to dispel the heat to whole rectifier through the radiating groove piece, avoid coupling mechanism to receive the influence of high temperature and the condition of breaking down, come to protect coupling mechanism through the insulating cover that sets up, protect the human body simultaneously, avoid the user in the condition of touching the appearance of connecting block and electrocute, buckle insulating cover is fixed to buckle mechanism through setting up, make it be difficult for droing under the effect that does not have the external force, can increase the connection steadiness between the two, the inside overload protection structure that lacks of traditional device, the device electric charge causes the damage to equipment easily.
3. The patent document CN113572373B discloses a rectifier with a heat dissipation structure, which comprises a rectifier end shell, wherein two bent arc plates are fixedly connected to the side surface of the rectifier end shell, installation folded plates are arranged on the inner sides of the bent arc plates, the installation folded plates are fixedly connected with the rectifier end shell, reinforcing cross bars which are distributed at equal intervals are fixedly connected to the top end of the rectifier end shell, an air exhaust end shell for extracting air to form an air duct is installed at the bottom end of the rectifier end shell, two air exhaust rotating shafts are rotatably connected to the surface of the air exhaust end shell, radiating fins which are distributed at equal intervals are fixedly connected to the side surface of the air exhaust end shell, and an arc winding plate is arranged on the inner side of the air exhaust end shell of the radiating fins. The energy is saved and the environment is protected. "the moisture in the device can not be pumped out by the traditional device, and the situation that the electronic parts in the device are easy to short circuit is caused.
4. Patent document CN213043599U discloses a rectifier structure with good heat dissipation effect, which comprises a casing, a bracket, a rectifier main body, a wiring observation frame structure, a moisture filtering frame structure, an L-shaped bent pipe, a water cooling frame structure, a small refrigerator, a connecting pipe, a mounting frame, a connecting frame, a motor and fan blades, wherein the bracket is respectively bolted on the left side and the right side of the lower part of the casing; the rectifier main body is connected to the lower part of the inner side of the shell through a bolt; the wiring observation frame structure is arranged at the lower part of the front end of the shell; the moisture filter frame structures are respectively arranged at the left side and the right side of the shell. The utility model has the advantages that: through the setting of sponge net and the net that absorbs water, be favorable to conveniently filtering the moisture in the air, prevent that the moisture from falling the outside of rectifier main part, or on falling the terminal of rectifier main part, lead to the rectifier main part to appear damaging to improve the protecting effect to the rectifier main part, traditional device lacks the malfunction alerting structure, and the workman can't in time know the condition of device, causes easily that can't in time maintain equipment.
Disclosure of Invention
The invention aims to provide a pre-embedded stable medium-voltage converter for wind power, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a pre-buried stable medium-voltage converter for wind power comprises a protective box body and an inner box, wherein an embedded plate is embedded and installed on the inner side of the bottom of the protective box body, a floor pasting plate is installed at the bottom of the embedded plate, and the inner box is installed at the top of the floor pasting plate through bolts;
the inner side of the inner box is provided with a damp-proof layer, the inner side of the damp-proof layer is provided with an installation box, the inner walls of two sides of the installation box are provided with embedded clamping grooves, the inner sides of two groups of embedded clamping grooves are embedded and provided with limiting clamping strips, a support plate is arranged between the two groups of limiting clamping strips, and the top of the support plate is provided with a medium-voltage converter;
the ventilation pipe is installed at the top of protection box, the vacuum pump is installed to the one end of ventilation pipe, rain-proof box is installed in the outside of vacuum pump, install the air-blower through the bolt on the inboard diapire of rain-proof box, and the air-blower is located one side of vacuum pump.
Preferably, the outer side of the protection box body is provided with an anticorrosive coating.
Preferably, the bottom of the floor attaching plate is provided with a ground embedding nail, the inner side thread of the embedded plate is provided with a fixing screw in a penetrating manner, and the embedded plate is arranged on the inner side of the protective box body through the fixing screw.
Preferably, an air inlet pipe is installed on the inner wall of one side of the inner box and the installation box in a penetrating manner, a first blower is installed on the inner side of the air inlet pipe through a support piece, a filter screen is installed at the input end of the air inlet pipe, an air outlet pipe is installed on the inner wall of the other side of the inner box and the installation box in a penetrating manner, a second blower is installed on the inner side of the air outlet pipe through a support piece, an intercepting net is installed at the air inlet end of the air outlet pipe, a temperature and humidity sensor is installed on the inner side top wall of the installation box, a smoke sensor is installed on the inner side top wall of the installation box and located on one side of the temperature and humidity sensor, a controller is installed on the inner side bottom wall of the installation box through a bolt, an overload protector is installed on the inner side bottom wall of the installation box through a bolt and located on one side of the controller, an assembling seat is installed on the front side of the inner box, the front of the assembling seat is provided with a sealing cover through a bolt, the rear end of the sealing cover is provided with an embedded ring, and the embedded ring is embedded and arranged on the inner side of the mounting box.
Preferably, the outer walls of the two sides of the medium-voltage converter are provided with penetrating plates, the penetrating plates are fixed above the supporting plate through bolts, the top of the medium-voltage converter is provided with cooling fins, and the front surface of the medium-voltage converter is provided with a connector.
Preferably, install the vent on the both sides outer wall of rain-proof case, the installation casing is installed in the front of rain-proof case, there is the dodge gate in the front of installation casing through hinge movable mounting, install the controller on the inboard back wall of rain-proof case, the siren is installed in the front of controller, the top of installation casing is run through and is installed the wireless transmission antenna.
Preferably, the top of the vacuum pump is provided with an air outlet.
Preferably, the output of air-blower is installed and is docked the pipe, the dehumidification layer is installed to the output that docks the pipe, the equipment shell is installed through the screw thread to the output that docks the pipe, and the equipment shell is located the outside on dehumidification layer, the gas-supply pipe is installed to the output of equipment shell, and the roof of protection box is run through to the bottom of gas-supply pipe.
Preferably, the operation steps of the medium voltage converter are as follows:
s1, digging out the space where the device needs to be embedded at the position where the device needs to be installed by a worker, horizontally placing the laminate board in a pit in advance by the worker, installing the buried nails at the bottom of the laminate board in the soil, fixing the laminate board at the top by the buried nails, ensuring the stability of the laminate board, supporting the top equipment by the laminate board conveniently, installing the inner box at the top of the laminate board by the worker, embedding the support board at the inner side of the embedding clamping groove through the limiting clamping strip, facilitating the worker to fix the support board, facilitating the worker to assemble the device, placing the penetrating board on the medium voltage converter at the top of the support board by the worker, fixing the penetrating board through the bolt, ensuring the stability of the medium voltage converter, enabling the medium voltage converter to run stably, embedding the embedding ring on the sealing cover at the inner side of the installation box, and fixing the sealing cover through the bolt, the sealing cover is convenient for workers to install, the protective box body is fixed at the top of the floor, and the embedded plate at the top of the floor fixes the protective box body at the top through the fixing screw, so that the stability of the protective box body is ensured;
s2, in the operation process of the medium-voltage converter, electric power passes through the overload protector, the overload protector monitors the electric charge of the circuit, and when the electric charge exceeds a specified value, the overload protector operates to disconnect the circuit, so that electric appliances on the circuit are prevented from being damaged by the influence of the electric charge, and the safety of the circuit is ensured;
s3, when the overload protector breaks the circuit, the controller operates, the alarm is sent out through the alarm, meanwhile, the controller controls the wireless transmission antenna to send the alarm to a worker, the worker stops the site, the equipment is damaged, maintenance is needed, the worker is requested to restore the equipment to be normal, and the worker can conveniently know the condition of the equipment;
s4, when the medium voltage converter operates, a large amount of heat is generated, the medium voltage converter conducts heat to the radiating fins, the contact area of the radiating fins and air is large, the heat is conveniently transmitted to the air through the radiating fins, the temperature and humidity sensor detects the temperature and the humidity inside the device when the medium voltage converter operates, when the temperature and the humidity inside the device exceed the specified range, the first blower operates to drive the air to move towards the inner side of the installation box, the air is guided by the air inlet pipe, in the process that the air enters the air inlet pipe, the moisture and the moisture in the air are filtered by the filter screen, the situation that the moisture enters the inside of the device and causes the short circuit of electronic parts inside the medium voltage converter is avoided, the second blower operates to generate suction force to draw out the air inside the installation box, so that airflow is formed inside the installation box, and the radiating speed in the medium voltage converter is accelerated, avoid the condition that medium voltage converter appearance high temperature, radiating in-process, the vacuum pump operation produces suction when first blower and second blower operation, make the ventilation pipe produce suction, the control valve on the ventilation pipe is opened, the ventilation pipe is taken the inside air of protection box out, the air is discharged from the gas outlet, the air-blower operation is with the inside of external air water delivery to butt joint pipe, the air enters into the inside on dehumidification layer under the guide to butt joint pipe, intercept the moisture in the air by dehumidification layer, make the comparatively dry air of process, the air enters into the inside of equipment shell, transmit the air to the air delivery pipe by the equipment shell, the air delivery pipe is inside with gaseous transport protection box, realize the replacement of air, with moist air suction, inhale dry air, guarantee the inside drying of device.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the protection box body is arranged, the embedded plate attached to the top of the floor fixes the protection box body at the top through the fixing screw, so that the stability of the protection box body is ensured, a relatively closed space is formed by the protection box body and the floor, internal equipment is conveniently separated from external soil after the device is embedded into the ground, the floor area of the device can be reduced by arranging the device underground, the influence on people on the ground can not be caused, the anticorrosive coating is arranged on the outer side of the protection box body and is made of anticorrosive materials, the corrosion of the device by the soil is reduced, and the service life of the device is prolonged.
2. According to the invention, the overload protector is arranged, in the operation process of the medium-voltage converter, electric power can pass through the overload protector, the overload protector monitors the electric charge of the circuit, when the electric charge exceeds a specified value, the overload protector operates to disconnect the circuit, the electric appliances on the circuit are prevented from being influenced and damaged by the electric charge, and the safety of the circuit is ensured.
3. According to the invention, the vacuum pump and the air blower are installed, the vacuum pump operates to generate suction force, so that the ventilation pipe generates suction force, the control valve on the ventilation pipe is opened, the ventilation pipe pumps out air in the protective box body, the air is discharged from the air outlet, the air blower operates to convey water from the outside into the butt joint pipe, the air enters the inside of the dehumidification layer under the guidance of the butt joint pipe, the dehumidification layer intercepts moisture in the air, so that the passing air is drier, the air enters the inside of the assembly shell, the air is conveyed into the air conveying pipe by the assembly shell, the air conveying pipe conveys the air into the protective box body, the replacement of the air is realized, the moist air is sucked out, the dry air is sucked in, and the dryness in the device is ensured.
4. According to the invention, the rain-proof box is arranged on the outer side of the gas transmission structure, so that external rainwater is isolated, the rainwater is prevented from approaching the device, the safety of equipment in the rain-proof box is ensured, when the baffle equipment is damaged, the controller senses the damage and sends out an alarm through the alarm, and meanwhile, the controller controls the wireless transmission antenna to send the alarm to a worker, so that the worker stops the damage of the equipment, needs maintenance, and is required to restore the equipment to be normal, the worker can conveniently know the condition of the equipment, and the equipment can be maintained in time.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the inner box structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the inner box of the present invention;
fig. 5 is a schematic perspective view of a medium voltage converter according to the present invention;
FIG. 6 is a schematic view of the vacuum pump of the present invention;
FIG. 7 is a schematic view of the structure of the rain-proof box of the present invention;
fig. 8 is a schematic view of the blower of the present invention.
In the figure: 1. a protective box body; 101. an anticorrosive layer; 2. sticking a floor; 201. a tabling plate; 202. burying ground nails; 203. a set screw; 3. an inner box; 301. a moisture barrier; 302. installing a box; 303. embedding the clamping groove; 304. limiting clamping strips; 305. a support plate; 306. a controller; 307. an overload protector; 308. an air inlet pipe; 309. a first blower; 3010. a filter screen; 3011. a temperature and humidity sensor; 3012. an air outlet pipe; 3013. a second blower; 3014. an intercepting net; 3015. assembling a seat; 3016. a smoke sensor; 4. a medium voltage converter; 401. penetrating the plate; 402. a connector; 403. a heat sink; 5. a rain-proof box; 501. a vent; 502. installing a shell; 503. a wireless transmission antenna; 504. a movable door; 505. a manipulator; 506. an alarm; 6. a vacuum pump; 601. a vent pipe; 602. an air outlet; 7. a blower; 701. Butt-joint pipes; 702. a dehumidification layer; 703. assembling the shell; 704. a gas delivery pipe; 8. a closure cap; 801. and (4) embedding a ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, an embodiment of the present invention: a pre-buried stable medium voltage converter for wind power;
in the first embodiment, the protective box comprises a protective box body 1 and an inner box 3, an anticorrosive layer 101 is installed on the outer side of the protective box body 1, an embedded plate 201 attached to the top of a floor 2 fixes the protective box body 1 on the top through a fixing screw 203, so that the stability of the protective box body 1 is ensured, a relatively closed space is formed between the protective box body 1 and the floor 2, internal equipment and external soil are conveniently separated after the device is embedded into the ground, the device is installed underground, the occupied area of the device can be reduced, and people on the ground cannot be affected, the anticorrosive layer 101 is installed on the outer side of the protective box body 1, the anticorrosive layer 101 is made of anticorrosive materials, the device is prevented from being corroded by the soil, the service life of the device is prolonged, the embedded plate 201 is installed on the inner side of the bottom of the protective box body 1 in an embedded mode, the floor 2 is installed at the bottom of the embedded plate 201, ground embedding nails 202 are installed at the bottom of the floor 2, the inboard screw thread of gomphosis board 201 runs through and installs set screw 203, and the gomphosis board 201 passes through set screw 203 to be installed in the inboard of protection box 1, will paste floor 2 and keep flat in the hole in advance, and the nail 202 that buries of 2 bottoms on pasting the floor is installed in earth, and is fixed to the subsides floor 2 at top through burying the nail 202, guarantees to paste the stability on floor 2, conveniently pastes floor 2 and supports top equipment.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention: a pre-buried stable medium voltage converter for wind power;
embodiment two, inner box 3 is installed through the bolt in the top of subsides floor 2, dampproof course 301 is installed to the inboard of inner box 3, install bin 302 in the inboard of dampproof course 301, install gomphosis draw-in groove 303 on the both sides inner wall of install bin 302, spacing card strip 304 is installed in the inboard gomphosis of two sets of gomphosis draw-in groove 303, backup pad 305 is installed in the inboard of gomphosis draw-in groove 303 through spacing card strip 304 gomphosis, make things convenient for the workman to fix backup pad 305, run through on the inner wall of one side of inner box 3 and install bin 302 and install intake pipe 308, first blower 309 is installed through support piece to the inboard of intake pipe 308, filter screen 3010 is installed to the input of intake pipe 308, run through on the inner wall of the opposite side of inner box 3 and install bin 302 and install outlet duct 3012, second blower 3013 is installed through support piece to the inboard of outlet duct 3012, an intercepting net 3014 is installed at the air inlet end of the air outlet pipe 3012, the first blower 309 operates to drive air to move towards the inner side of the installation box 302, the air is guided by the air inlet pipe 308, in the process that the air enters the air inlet pipe 308, moisture and moisture in the air are filtered by the filter screen 3010 to prevent the moisture from entering the inside of the device and causing short circuit of electronic parts inside the medium voltage converter 4, the second blower 3013 operates to generate suction to draw out the air inside the installation box 302, so that air flow is formed inside the installation box 302, the heat dissipation speed in the medium voltage converter 4 is accelerated, and the situation that the temperature of the medium voltage converter 4 is too high is avoided, the temperature and humidity sensor 3011 is installed on the top wall of the inner side of the installation box 302, and a temperature sensing element and a humidity sensing element are installed inside the temperature and humidity sensor 3011 to detect temperature and humidity, smoke sensor 3016 is installed to the inboard roof of install bin 302, and smoke sensor 3016 is used for detecting the inside smog condition of inner box 3, and smoke sensor 3016 is located one side of temperature and humidity sensor 3011, controller 306 is installed through the bolt to the inboard diapire of install bin 302, through the operation of controller 306 control medium voltage converter 4, overload protector 307 is installed through the bolt to the inboard diapire of install bin 302, and overload protector 307 is located one side of controller 306, and in the in-process of medium voltage converter 4 operation, electric power can be through overload protector 307, monitors the electric charge of circuit by overload protector 307, and when electric charge surpassed appointed numerical value, overload protector 307 operation breaks off the circuit, avoids the electrical apparatus on the circuit to receive the influence damage of electric charge, guarantees the safety of circuit, assembly seat 3015 is installed to the front of inner box 3, the front of the assembling seat 3015 is provided with a sealing cover 8 through bolts, the rear end of the sealing cover 8 is provided with an embedding ring 801, the embedding ring 801 is embedded in the inner side of the installation box 302, the embedding ring 801 on the sealing cover 8 is embedded in the inner side of the installation box 302, the sealing cover 8 is fixed through bolts, and the front of the assembling seat 3015 is convenient for workers to install the sealing cover 8.
Referring to fig. 2, fig. 3 and fig. 5, an embodiment of the present invention: a pre-buried stable medium voltage converter for wind power;
in the third embodiment, a supporting plate 305 is installed between two sets of the limiting clamping strips 304, a medium voltage converter 4 is installed on the top of the supporting plate 305, the outer walls of the two sides of the medium voltage converter 4 are provided with through plates 401, the through plates 401 are fixed above the supporting plate 305 through bolts, the top of the medium voltage transformer 4 is provided with a heat sink 403, the front of the medium voltage transformer 4 is provided with a connector 402, a through plate 401 on the medium voltage transformer 4 is placed on the top of the support plate 305, the penetration plate 401 is fixed by bolts, so that the stability of the medium voltage converter 4 is ensured, the medium voltage converter 4 can be stably operated, when the medium voltage converter 4 operates, a large amount of heat is generated, the medium voltage converter 4 is conducted to the radiating fins 403, the contact area between the radiating fins 403 and the air is large, and the heat is conveniently transmitted to the air through the radiating fins 403;
referring to fig. 1, fig. 2, fig. 6, fig. 7 and fig. 8, an embodiment of the present invention: a pre-buried stable medium voltage converter for wind power;
in the fourth embodiment, a vent pipe 601 is installed at the top of the protective box body 1, a vacuum pump 6 is installed at one end of the vent pipe 601, an air outlet 602 is installed at the top of the vacuum pump 6, a rain-proof box 5 is installed on the outer side of the vacuum pump 6, vent holes 501 are installed on the outer walls of two sides of the rain-proof box 5, an installation shell 502 is installed on the front of the rain-proof box 5, a movable door 504 is movably installed on the front of the installation shell 502 through hinges, a controller 505 is installed on the inner rear wall of the rain-proof box 5, an alarm 506 is installed on the front of the controller 505, a wireless transmission antenna 503 is installed at the top of the installation shell 502 in a penetrating manner, the rain-proof box 5 is installed on the outer side of an air conveying structure to isolate external rainwater, so as to prevent rainwater from approaching the device and ensure the safety of equipment inside the rain-proof box 5, and when the baffle equipment is damaged, the controller 505 senses the rainwater, the alarm 506 gives an alarm, the controller 505 controls the wireless transmission antenna 503 to send the alarm to a worker, the worker stops to damage the equipment, the maintenance is needed, the worker returns the equipment to normal, the worker can conveniently know the condition of the equipment and maintain the equipment in time, the inner bottom wall of the rain-proof box 5 is provided with the air blower 7 through a bolt, the air blower 7 is positioned on one side of the vacuum pump 6, the output end of the air blower 7 is provided with the butt joint pipe 701, the output end of the butt joint pipe 701 is provided with the dehumidification layer 702, the output end of the butt joint pipe 701 is provided with the assembly shell 703 through a thread, the assembly shell 703 is positioned on the outer side of the dehumidification layer 702, the output end of the assembly shell 703 is provided with the air pipe 704, the bottom end of the air pipe 704 penetrates through the top wall of the protection box body 1, and the vacuum pump 6 generates suction when the first air blower 309 and the second air blower 3013 run, the ventilation pipe 601 generates suction, the control valve on the ventilation pipe 601 is opened, the ventilation pipe 601 pumps out air inside the protective box body 1, the air is discharged from the air outlet 602, the air blower 7 operates to convey outside air into the butt joint pipe 701, the air enters the inside of the dehumidification layer 702 under the guide of the butt joint pipe 701, moisture in the air is intercepted by the dehumidification layer 702, the passing air is relatively dry, the air enters the inside of the assembly shell 703, the air is conveyed into the air conveying pipe 704 by the assembly shell 703, the air conveying pipe 704 conveys the air into the protective box body 1, air replacement is achieved, moist air is sucked out, dry air is sucked in, and the dryness inside of the device is guaranteed.
The working steps of the medium voltage converter are as follows:
s1, digging out the space needing to be embedded with the device at the position needing to be installed by a worker, then horizontally placing the laminate board 2 in a pit in advance by the worker, installing the embedded nail 202 at the bottom of the laminate board 2 in the soil, fixing the laminate board 2 at the top by the embedded nail 202, ensuring the stability of the laminate board 2, facilitating the support of top equipment by the laminate board 2, installing the inner box 3 at the top of the laminate board 2 by the worker, then embedding the support plate 305 at the inner side of the embedding clamping groove 303 by the limiting clamping strip 304, facilitating the fixation of the support plate 305 by the worker, facilitating the assembly of the device by the worker, placing the penetration plate 401 on the medium voltage converter 4 at the top of the support plate 305 by the worker, fixing the penetration plate 401 by bolts, ensuring the stability of the medium voltage converter 4, leading the medium voltage converter 4 to run stably, and embedding the embedding ring 801 on the sealing cover 8 at the inner side of the installation box 302, the sealing cover 8 is fixed through bolts, so that workers can conveniently install the sealing cover 8, the workers fix the protection box body 1 on the top of the floor 2, and the embedded plate 201 on the top of the floor 2 fixes the protection box body 1 on the top through the fixing screw 203, so that the stability of the protection box body 1 is ensured;
s2, in the operation process of the medium voltage converter 4, the electric power passes through the overload protector 307, the overload protector 307 monitors the electric charge of the circuit, when the electric charge exceeds a specified value, the overload protector 307 operates to disconnect the circuit, the electric appliances on the circuit are prevented from being influenced and damaged by the electric charge, and the safety of the circuit is ensured;
s3, when the overload protection device 307 is disconnected from the circuit, the controller 505 operates to send an alarm through the alarm 506, and the controller 505 controls the wireless transmission antenna 503 to send the alarm to the worker, so that the worker stops the damage of the equipment, and the worker is required to repair the damaged equipment, and the worker is required to restore the equipment to normal, thereby facilitating the worker to know the condition of the equipment;
s4, when the medium voltage converter 4 operates, a large amount of heat is generated, the medium voltage converter 4 is conducted to the radiating fins 403, the contact area between the radiating fins 403 and the air is large, heat can be conveniently transmitted to the air through the radiating fins 403, when the medium voltage converter 4 operates, the temperature and humidity inside the device are detected by the temperature and humidity sensor 3011, when the temperature and humidity inside the device exceed a specified range, the first blower 309 operates to drive the air to move towards the inner side of the installation box 302, the air is guided by the air inlet pipe 308, in the process that the air enters the air inlet pipe 308, the filter screen 3010 filters moisture and water in the air, the situation that the moisture enters the inside of the device and causes short circuit of electronic parts inside the medium voltage converter 4 is avoided, the second blower 3013 operates to generate suction force to extract the air inside the installation box 302, so that an air flow is formed inside the installation box 302, therefore, the heat dissipation speed in the medium voltage converter 4 is accelerated, the situation that the temperature of the medium voltage converter 4 is too high is avoided, in the heat dissipation process, when the first blower 309 and the second blower 3013 operate, the vacuum pump 6 operates to generate suction, the ventilation pipe 601 generates suction, the control valve on the ventilation pipe 601 is opened, the ventilation pipe 601 pumps out air in the protective box body 1, the air is discharged from the air outlet 602, the blower 7 operates to convey outside air into the butt joint pipe 701, the air enters the inside of the dehumidifying layer 702 under the guidance of the butt joint pipe 701, the dehumidifying layer 702 intercepts moisture in the air, the passing air is dry, the air enters the inside of the assembling shell 703, the air is conveyed into the assembling shell 704, the air conveying pipe 704 conveys the air into the protective box body 1, the replacement of the air is realized, and the moist air is sucked out, dry air is sucked in to ensure the dryness of the interior of the device.
The working principle is as follows: the method is characterized in that a worker digs out a space where a device needs to be embedded at a position where the device needs to be installed, then the worker puts a floor tile 2 in a pit horizontally in advance, buried nails 202 at the bottom of the floor tile 2 are installed in soil, the floor tile 2 at the top is fixed through the buried nails 202, the stability of the floor tile 2 is guaranteed, the floor tile 2 is convenient to support top equipment, the worker installs an inner box 3 at the top of the floor tile 2, then a support plate 305 is embedded and installed at the inner side of an embedding clamping groove 303 through a limiting clamping strip 304, the worker is convenient to fix the support plate 305, the worker is convenient to assemble the device, the worker puts a through plate 401 on a medium voltage converter 4 at the top of the support plate 305, the through plate 401 is fixed through bolts, the stability of the medium voltage converter 4 is guaranteed, the medium voltage converter 4 can stably operate, then an embedding ring 801 on a closed cover 8 is embedded and installed at the inner side of an installation box 302, the sealing cover 8 is fixed through bolts, a worker can conveniently install the sealing cover 8, the worker fixes the protection box body 1 on the top of the floor 2, the embedded plate 201 on the top of the floor 2 fixes the protection box body 1 on the top through the fixing screw 203 to ensure the stability of the protection box body 1, in the running process of the medium-voltage converter 4, electric power passes through the overload protector 307, the overload protector 307 monitors the electric charge of the circuit, when the electric charge exceeds a specified value, the overload protector 307 runs to disconnect the circuit, electric appliances on the circuit are prevented from being damaged by the electric charge, the safety of the circuit is ensured, when the overload protector 307 disconnects the circuit, the controller 505 runs to send an alarm through the alarm 506, the controller 505 controls the wireless transmission antenna 503 to send the alarm to the worker, the worker stops the worker, the equipment is damaged, the worker needs to maintain, and the worker is required to restore the equipment to be normal, the condition of the equipment can be conveniently known by workers, when the medium voltage converter 4 operates, a large amount of heat can be generated, the medium voltage converter 4 is conducted to the radiating fins 403, the contact area between the radiating fins 403 and air is large, heat can be conveniently transmitted to the air through the radiating fins 403, the temperature and humidity sensor 3011 detects the temperature and humidity inside the device while the medium voltage converter 4 operates, when the temperature and humidity inside the device exceed a specified range, the first blower 309 operates to drive the air to move towards the inner side of the installation box 302, the air is guided by the air inlet pipe 308, when the air enters the air inlet pipe 308, the filter screen 3010 filters the moisture and water in the air, the situation that the moisture enters the inside of the device to cause short circuit of electronic parts inside the medium voltage converter 4 is avoided, the second blower 3013 operates to generate suction force to draw out the air inside the installation box 302 is avoided, so that air flow is formed inside the installation box 302, thereby increasing the heat dissipation speed in the medium voltage converter 4 and avoiding the situation that the temperature of the medium voltage converter 4 is too high, in the heat dissipation process, the suction force is generated by the operation of the vacuum pump 6 while the first blower 309 and the second blower 3013 are operated, so that the ventilation pipe 601 generates the suction force, the control valve on the ventilation pipe 601 is opened, the ventilation pipe 601 pumps out the air inside the protection box body 1, the air is discharged from the air outlet 602, the blower 7 operates to convey the outside air into the butt joint pipe 701, the air enters the inside of the dehumidification layer 702 under the guide of the butt joint pipe 701, the dehumidification layer 702 intercepts the moisture in the air, so that the passing air is dry, the air enters the inside of the assembly shell, the air is conveyed into the air conveying pipe 704 by the assembly shell 703, and the air is conveyed into the protection box body 1 by the air conveying pipe 704, the air replacement is realized, moist air is sucked out, and dry air is sucked in, so that the drying inside the device is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a pre-buried formula stable form medium voltage converter for wind-powered electricity generation, includes protection box (1) and inner box (3), its characterized in that: an embedded plate (201) is embedded and installed on the inner side of the bottom of the protective box body (1), a floor attaching plate (2) is installed at the bottom of the embedded plate (201), and an inner box (3) is installed at the top of the floor attaching plate (2) through bolts;
the inner side of the inner box (3) is provided with a moisture-proof layer (301), the inner side of the moisture-proof layer (301) is provided with an installation box (302), the inner walls of two sides of the installation box (302) are provided with embedded clamping grooves (303), the inner sides of two groups of embedded clamping grooves (303) are embedded and provided with limiting clamping strips (304), a support plate (305) is arranged between the two groups of limiting clamping strips (304), and the top of the support plate (305) is provided with a medium-voltage converter (4);
ventilation pipe (601) are installed at the top of protection box (1), vacuum pump (6) are installed to the one end of ventilation pipe (601), rain proof box (5) are installed in the outside of vacuum pump (6), install air-blower (7) through the bolt on the inboard diapire of rain proof box (5), and air-blower (7) are located one side of vacuum pump (6).
2. The medium-voltage converter for the pre-embedded stable wind power generator as claimed in claim 1, wherein: and an anticorrosive layer (101) is arranged on the outer side of the protective box body (1).
3. The medium-voltage converter for the pre-embedded stable wind power generator as claimed in claim 1, wherein: the bottom of the floor attaching plate (2) is provided with a ground embedding nail (202), the inner side threads of the embedded plate (201) are provided with fixing screws (203) in a penetrating mode, and the embedded plate (201) is arranged on the inner side of the protective box body (1) through the fixing screws (203).
4. The medium-voltage converter for the pre-embedded stable wind power generator as claimed in claim 1, wherein: an air inlet pipe (308) is installed on the inner wall of one side of the inner box (3) and the installation box (302) in a penetrating mode, a first air blower (309) is installed on the inner side of the air inlet pipe (308) through a supporting piece, a filter screen (3010) is installed at the input end of the air inlet pipe (308), an air outlet pipe (3012) is installed on the inner wall of the other side of the inner box (3) and the installation box (302) in a penetrating mode, a second air blower (3013) is installed on the inner side of the air outlet pipe (3012) through the supporting piece, an intercepting net (3014) is installed at the air inlet end of the air outlet pipe (3012), a temperature and humidity sensor (3011) is installed on the top wall of the inner side of the installation box (302), a smoke sensor (3016) is installed on the top wall of the inner side of the installation box (302), the smoke sensor (3016) is located on one side of the temperature and humidity sensor (3011), a controller (306) is installed on the bottom wall of the inner side of the installation box (302) through bolts, overload protection ware (307) are installed through the bolt to the inboard diapire of install bin (302), and overload protection ware (307) are located one side of controller (306), equipment seat (3015) are installed in the front of interior case (3), closing cap (8) are installed through the bolt in the front of equipment seat (3015), the rear end of closing cap (8) is installed and is inlayed ring (801), and the inboard at install bin (302) is installed in the gomphosis of inlaying ring (801).
5. The medium-voltage converter for the pre-embedded stable wind power generator as claimed in claim 1, wherein: install on the both sides outer wall of medium voltage converter (4) and run through board (401), run through board (401) and pass through the top of bolt fastening in backup pad (305), fin (403) are installed at the top of medium voltage converter (4), connector (402) are installed in the front of medium voltage converter (4).
6. The medium-voltage converter for the pre-embedded stable wind power generator as claimed in claim 1, wherein: install vent (501) on the both sides outer wall of rain-proof case (5), installation casing (502) are installed in the front of rain-proof case (5), there is dodge gate (504) in the front of installation casing (502) through hinge movable mounting, install controller (505) on the inboard back wall of rain-proof case (5), siren (506) are installed in the front of controller (505), wireless transmission antenna (503) are installed in the top of installation casing (502) through.
7. The medium-voltage converter for the pre-embedded stable wind power generator as claimed in claim 1, wherein: and the top of the vacuum pump (6) is provided with an air outlet (602).
8. The medium voltage converter for the pre-embedded stable type wind power generation according to claim 1, wherein: butt joint pipe (701) is installed to the output of air-blower (7), dehumidification layer (702) is installed to the output of butt joint pipe (701), equipment shell (703) is installed through the screw thread to the output of butt joint pipe (701), and equipment shell (703) is located the outside on dehumidification layer (702), gas-supply pipe (704) are installed to the output of equipment shell (703), and the roof of protection box (1) is run through to the bottom of gas-supply pipe (704).
9. The pre-buried stable medium voltage converter for wind power generation according to any one of claims 1 to 8, wherein the medium voltage converter is operated as follows:
s1, a worker digs out a space needing to be embedded into the device at a position needing to be installed, then the worker puts the floor attaching plate (2) in a pit horizontally in advance, the ground embedding nail (202) at the bottom of the floor attaching plate (2) is installed in soil, the floor attaching plate (2) at the top is fixed through the ground embedding nail (202), the stability of the floor attaching plate (2) is guaranteed, the floor attaching plate (2) is convenient to support top equipment, the worker installs the inner box (3) at the top of the floor attaching plate (2), then the support plate (305) is installed on the inner side of the embedding clamping groove (303) in an embedding mode through the limiting clamping strip (304) in an embedding mode, the worker can fix the support plate (305) conveniently, the worker can assemble the device conveniently, the worker puts the penetrating plate (401) on the medium-voltage current transformer (4) at the top of the support plate (305), the penetrating plate (401) is fixed through bolts, and the stability of the medium-voltage current transformer (4) is guaranteed, the medium-voltage converter (4) can stably run, then an embedding ring (801) on the sealing cover (8) is embedded on the inner side of the installation box (302), the sealing cover (8) is fixed through a bolt, workers can conveniently install the sealing cover (8), the workers fix the protection box body (1) on the top of the floor (2), the embedding plate (201) on the top of the floor (2) fixes the protection box body (1) on the top through a fixing screw (203), and the stability of the protection box body (1) is guaranteed;
s2, in the operation process of the medium voltage converter (4), electric power passes through the overload protector (307), the overload protector (307) monitors the electric charge of the circuit, and when the electric charge exceeds a specified value, the overload protector (307) operates to disconnect the circuit, so that electric appliances on the circuit are prevented from being influenced and damaged by the electric charge, and the safety of the circuit is ensured;
s3, when the overload protector (307) is disconnected with the circuit, the controller (505) operates, the alarm (506) gives an alarm, meanwhile, the controller (505) controls the wireless transmission antenna (503) to send the alarm to a worker, the worker stops, the equipment is damaged and needs to be maintained, the worker is required to restore the equipment to be normal, and the worker can know the condition of the equipment conveniently;
s4, when the medium voltage converter (4) operates, a large amount of heat is generated, the medium voltage converter (4) is conducted to the radiating fins (403), the contact area of the radiating fins (403) and air is large, heat can be conveniently transmitted to the air through the radiating fins (403), when the medium voltage converter (4) operates, the temperature and humidity inside the device are detected by the temperature and humidity sensor (3011), when the temperature and humidity inside the device exceed a specified range, the first blower (309) operates to drive the air to move towards the inner side of the installation box (302), the air is guided by the air inlet pipe (308), in the process that the air enters the air inlet pipe (308), the moisture and the moisture in the air are filtered by the filter screen (3010), the situation that the moisture enters the inside of the device and causes short circuit of electronic parts inside the medium voltage converter (4) is avoided, the second blower (3013) operates to generate suction to draw out the air inside the installation box (302), the inside of the installation box (302) forms airflow, so that the heat dissipation speed in the medium-voltage converter (4) is accelerated, the condition that the temperature of the medium-voltage converter (4) is overhigh is avoided, in the heat dissipation process, when a first blower (309) and a second blower (3013) operate, a vacuum pump (6) operates to generate suction, a ventilation pipe (601) generates suction, a control valve on the ventilation pipe (601) is opened, the ventilation pipe (601) extracts air in the protection box body (1), the air is exhausted from an air outlet (602), an air blower (7) operates to convey outside air to the inside of a butt joint pipe (701), the air enters the inside of a dehumidification layer (702) under the guide of the butt joint pipe (701), moisture in the air is intercepted by the dehumidification layer (702), the passing air is relatively dry, and the air enters the inside of an assembly shell (703), air is transmitted into the air conveying pipe (704) through the assembling shell (703), the air conveying pipe (704) conveys air into the protective box body (1), air replacement is achieved, moist air is sucked out, dry air is sucked in, and drying inside the device is guaranteed.
CN202210122959.7A 2022-02-09 2022-02-09 Pre-buried formula stable form medium voltage converter for wind-powered electricity generation Withdrawn CN114449859A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210122959.7A CN114449859A (en) 2022-02-09 2022-02-09 Pre-buried formula stable form medium voltage converter for wind-powered electricity generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210122959.7A CN114449859A (en) 2022-02-09 2022-02-09 Pre-buried formula stable form medium voltage converter for wind-powered electricity generation

Publications (1)

Publication Number Publication Date
CN114449859A true CN114449859A (en) 2022-05-06

Family

ID=81371458

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210122959.7A Withdrawn CN114449859A (en) 2022-02-09 2022-02-09 Pre-buried formula stable form medium voltage converter for wind-powered electricity generation

Country Status (1)

Country Link
CN (1) CN114449859A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115133660A (en) * 2022-06-28 2022-09-30 江苏富士特电气技术有限公司 Industrial and commercial energy storage equipment with protection function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115133660A (en) * 2022-06-28 2022-09-30 江苏富士特电气技术有限公司 Industrial and commercial energy storage equipment with protection function
CN115133660B (en) * 2022-06-28 2023-11-21 江苏富士特电气技术有限公司 Industrial and commercial energy storage equipment with protection function

Similar Documents

Publication Publication Date Title
KR102079182B1 (en) Waterproofing distributing box
CN105652931B (en) Transformer station's armouring central switch cabinet intelligent regulating system and its adjusting method
CN103582397B (en) integrated cabinet
CN108880281A (en) A kind of photovoltaic DC-to-AC converter is with preventing fire-retardant case
CN114449859A (en) Pre-buried formula stable form medium voltage converter for wind-powered electricity generation
CN219693510U (en) Exhaust system of refrigerator room
CN207603052U (en) A kind of electric automatization power distribution cabinet
CN208797838U (en) A kind of photovoltaic DC-to-AC converter is with preventing fire-retardant case
CN209133883U (en) A kind of distribution box of open air sealing waterproof
CN108933404A (en) A kind of energy-saving landscape type imbededd case change
CN205946433U (en) Top has protector's that dispels heat electrical control cabinet
CN210430447U (en) Waterproof distribution box
CN111799685A (en) Constant-temperature constant-humidity dustproof electrical cabinet
CN107196217A (en) A kind of self-ventilation structure of buried power equipment
CN208767655U (en) A kind of energy-saving landscape type imbededd case change
CN207381811U (en) A kind of waterproof and dampproof electric power box with heat sinking function
CN107706792A (en) A kind of power equipment case
CN207516853U (en) Ring main unit high wind recycles condensation-preventing device
CN209413370U (en) More cabin computer rooms
CN216291795U (en) Electrical control cabinet with dampproofing structure
CN220531177U (en) Drying and dehumidifying device capable of being used for photovoltaic combiner box
CN220605266U (en) Waterproof power distribution cabinet
CN216122095U (en) Excitation AC/DC bus insulation lifting system
CN106505435A (en) A kind of refrigeration system for the cooling of intelligent substation outdoor intelligent case
CN108808520A (en) A kind of JXF distribution boxs of dehumidifying heat dissipation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20220506