CN111969472B - Normal-pressure environment-friendly sealed insulating ring main unit - Google Patents
Normal-pressure environment-friendly sealed insulating ring main unit Download PDFInfo
- Publication number
- CN111969472B CN111969472B CN202010854835.9A CN202010854835A CN111969472B CN 111969472 B CN111969472 B CN 111969472B CN 202010854835 A CN202010854835 A CN 202010854835A CN 111969472 B CN111969472 B CN 111969472B
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- main unit
- ring main
- pipe
- looped netowrk
- rubber sleeve
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention provides a normal-pressure environment-friendly sealed insulating ring main unit, which comprises a ring main unit, a cabinet door and a motor, wherein a top plate is welded on the inner side of the ring main unit, a filter screen is welded on the top plate, an inlet pipe and an outlet pipe are welded on one side of the ring main unit, the inlet pipe is connected with the outlet pipe through a cooling pipe, an outlet is formed in one side of the ring main unit, a ground wire is welded at the bottom of the outlet pipe, a temperature control switch is mounted at the bottom of the top plate through a bolt, the normal-pressure environment-friendly sealed insulating ring main unit can cool mechanical energy in the ring main unit, the working safety of equipment in the ring main unit is guaranteed, the damaged cooling pipe can be sealed through closing a valve, the working of the ring main unit is prevented from being influenced due to the damage of the cooling pipe, external air is prevented from entering the inner side of the ring main unit, the rubber sleeve is guaranteed to be separated from a clamping plate through glass cement, the rubber sleeve is prevented from being pulled apart, and the sealing effect is improved, the work safety of guarantee rubber sleeve is applicable to the safe delivery of electric power and uses.
Description
Technical Field
The invention relates to the technical field of sealed and insulated ring main units, in particular to a normal-pressure environment-friendly sealed and insulated ring main unit.
Background
The invention discloses an outdoor ring main unit convenient to install, which can gradually replace SF6 ring main unit and is a patent application publication No. CN201911395119.2, and the conventional ring main unit basically has the advantages of convenient installation, firm structure, good environmental protection effect, high safety, small volume, compact structure, maintenance-free and the like, and can meet the use requirement of safe distribution of electric power to a power grid, however, for the conventional ring main unit, on one hand, when in use, because the current distributed by the ring main unit is larger, more heat is generated when in use, the temperature in the ring main unit is easy to rise, the aging of internal electric elements is accelerated, and the work safety is not guaranteed, on the other hand, when the cooling operation, when a department of cooling tube takes place the damage because of external force, and then causes the looped netowrk cabinet to lose the leakproofness, be unfavorable for the work safety of guarantee looped netowrk cabinet, on the one hand again, current seal structure often bonds the rubber strip on the cabinet door and seals, when opening, because of long-time subsides together for the rubber strip is easily stuck by the cabinet body and takes place the fracture, need regularly change, and the rubber strip can't recover after being shriveled easily, and then reduce its leakproofness.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the normal-pressure environment-friendly sealed insulating ring main unit to solve the problems in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the normal-pressure environment-friendly sealed insulating ring main unit comprises a ring main unit, a cabinet door and a motor, wherein the cabinet door is arranged on one side of the ring main unit, the motor is arranged on the top of the ring main unit through bolts, a top plate is welded on the inner side of the ring main unit, a filter screen is welded on the top plate, a turbofan is arranged on the top of the filter screen, a feeding pipe and a discharging pipe are welded on one side of the ring main unit, the feeding pipe is connected with the discharging pipe through a cooling pipe, an outlet is formed in one side of the ring main unit, a grounding wire is welded at the bottom of the discharging pipe, a temperature control switch is arranged at the bottom of the top plate through bolts, a clamping plate is welded on the inner wall of the ring main unit, a plug board is welded on the cabinet door, a rubber sleeve is bonded on the inner side of the plug board, a partition plate is bonded on the inner side of the rubber sleeve, a pore is formed in one side of the rubber sleeve, glass cement is arranged on the inner side of the rubber sleeve, the inlet pipe and the outlet pipe are both provided with valves, and the inner wall of the cooling pipe is welded with metal wires.
In a further embodiment, the temperature control switch is connected with the motor through a wire, and the top of the turbofan penetrates through the ring main unit and is mounted on an output shaft of the motor.
In a further embodiment, a clamping sleeve is sleeved on the outer side of the turbofan, and the bottom of the clamping sleeve is sleeved on the outer side of the filter screen.
In a further embodiment, an opening is opened at one side of the clamping sleeve, the inlet pipe is communicated with the clamping sleeve through the opening, and the bottom of the clamping sleeve is communicated with the ring main unit through a filter screen.
In a further embodiment, the inlet pipe is installed at the top of the ring main unit through a bolt, and the outlet pipe is installed at the bottom of the ring main unit through a bolt.
In a further embodiment, the inlet pipe is communicated with the outlet pipe through a cooling pipe, and one side of the outlet pipe is communicated with the ring main unit through an outlet.
In a further embodiment, the cooling pipes are uniformly distributed on one side of the ring main unit, and the valves are respectively clamped at the top and the bottom of the cooling pipes.
In a further embodiment, the glass cement is disposed on one side of a separator plate, the other side of the separator plate being filled with air.
In a further embodiment, the clamping plates are distributed around the inner side of the ring main unit, the inserting plates are distributed around one side of the cabinet door, and one side of the inserting plate is clamped on the inner side of the clamping plates.
In a further embodiment, the metal wires are uniformly distributed on the inner side of the cooling pipe, and the inlet pipe, the outlet pipe and the cooling pipe are all aluminum pipes.
Compared with the prior art, the invention has the beneficial effects that:
1. when the normal-pressure environment-friendly sealed insulating ring main unit is used, when the temperature in the ring main unit is higher, so that the temperature control switch is closed, the motor is turned on through the temperature control switch, the motor drives the turbofan to rotate in the cutting sleeve, so that the gas in the clamping sleeve generates centrifugal force to suck out the high-temperature gas of the ring main unit through the filter screen to perform heat dissipation operation on the ring main unit, the air driven by the turbofan to generate centrifugal force enters the inlet pipe through the through hole and then enters the outlet pipe through the cooling pipe, when hot gas flows downwards in the cooling pipe, energy generates heat exchange through the outer wall of the cooling pipe, the temperature of the hot gas is reduced, and the gas enters the bottom of the ring main unit through the outlet, the temperature in the ring main unit is absorbed and then rises, the flow velocity of the gas is improved by utilizing the expansion with heat and the contraction with cold of the gas, the mechanical energy in the ring main unit can be effectively cooled, and the working safety of equipment in the ring main unit is ensured.
2. This sealed insulating looped netowrk cabinet of ordinary pressure environmental protection when using, cooling tube homodisperse improves the radiating efficiency to when a certain cooling tube takes place the damage, can seal this cooling tube through the valve that closes this cooling tube both ends, avoid influencing the work of looped netowrk cabinet because of the cooling tube damage, prevent effectively that external air from getting into the inboard of looped netowrk cabinet through damaged cooling tube, guarantee looped netowrk cabinet's leakproofness.
3. This insulating looped netowrk cabinet of ordinary pressure environmental protection is when using, along with closing of cabinet door, make in the rubber sleeve the gas of baffle opposite side in by the compression, press close to cardboard and picture peg completely with the rubber sleeve, the glass of baffle one side is glued and is extruded through the pore, seal between cardboard and the rubber sleeve, when opening the cabinet door again through very long period, utilize the incoherence that glass glued, make the rubber sleeve glue through glass and cardboard separation, avoid the rubber sleeve to be broken, the rubber sleeve is outwards extrudeed by the air and is recovered, when closing the cabinet door once more, can repeat above-mentioned process, improve sealed effect, guarantee the work safety of rubber sleeve.
Drawings
Fig. 1 is a schematic structural diagram of a normal-pressure environment-friendly sealed insulating ring main unit according to the present invention;
fig. 2 is a sectional view of a normal pressure environment-friendly sealed insulating ring main unit according to the present invention;
fig. 3 is a side sectional view of the normal pressure environment-friendly sealed insulating ring main unit according to the present invention;
fig. 4 is a cross-sectional view of a cooling pipe of the normal-pressure environment-friendly sealed insulating ring main unit according to the invention;
FIG. 5 is a side sectional view of a steel bushing of the normal pressure environmental protection sealing insulation ring main unit according to the present invention;
in the figure: 1. a ring main unit; 2. a cabinet door; 3. a motor; 4. a top plate; 5. filtering with a screen; 6. a turbofan; 7. feeding a pipe; 8. discharging a pipe; 9. a cooling tube; 10. an outlet; 11. a ground line; 12. a temperature control switch; 13. clamping a plate; 14. inserting plates; 15. a rubber sleeve; 16. a partition plate; 17. fine pores; 18. glass cement; 19. a valve; 20. a wire.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
Referring to fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: the utility model provides an insulating looped netowrk cabinet of ordinary pressure environmental protection which characterized in that: including looped netowrk cabinet 1, cabinet door 2 and motor 3, cabinet door 2 installs the one side at looped netowrk cabinet 1, motor 3 passes through the bolt and installs the top at looped netowrk cabinet 1, the inboard welding of looped netowrk cabinet 1 has roof 4, the welding has filter screen 5 on roof 4, turbofan 6 is installed at the top of filter screen 5, the welding of one side of looped netowrk cabinet 1 has into pipe 7 and exit tube 8, it is connected with exit tube 8 through cooling tube 9 to advance pipe 7, export 10 has been seted up to one side of looped netowrk cabinet 1, the welding of the bottom of exit tube 8 has earth connection 11, temperature detect switch 12 is installed through the bolt in the bottom of roof 4, the welding has cardboard 13 on the inner wall of looped netowrk cabinet 1, the welding has picture peg 14 on cabinet door 2, the inboard bonding of picture peg 14 has rubber sleeve 15, the inboard bonding of rubber sleeve 15 has baffle 16, pore 17 has been seted up to one side of rubber sleeve 15, glass cement 18 is arranged on the inner side of the rubber sleeve 15, valves 19 are arranged on the inlet pipe 7 and the outlet pipe 8, metal wires 20 are welded on the inner wall of the cooling pipe 9, the grounding wire 11 is connected with a ground wire, static electricity can be effectively eliminated through the grounding wire 11, damage caused by static electricity is reduced, and working safety of the ring main unit 1 is guaranteed.
Example 2
Referring to fig. 2, the difference from example 1 is: temperature detect switch 12 passes through the electric wire and is connected with motor 3, ring main unit 1 is passed and installs on motor 3's output shaft at turbofan 6's top, turbofan 6's outside side cover is equipped with the cutting ferrule, the outside side at filter screen 5 is established to the bottom cover of cutting ferrule for when the temperature in ring main unit 1 is higher, make temperature detect switch 12 closed, open motor 3 through temperature detect switch 12, motor 3 drives turbofan 6 at the cutting ferrule internal rotation, and then makes the gas in the cutting ferrule produce centrifugal force, passes through filter screen 5 suction with ring main unit 1's high-temperature gas, for ring main unit 1 carries out the heat dissipation operation.
Example 3
Referring to fig. 2, the difference from example 2 is: an opening is formed in one side of the clamping sleeve, the inlet pipe 7 is communicated with the clamping sleeve through the opening, the bottom of the clamping sleeve is communicated with the ring main unit 1 through the filter screen 5, the inlet pipe 7 is installed at the top of the ring main unit 1 through a bolt, the outlet pipe 8 is installed at the bottom of the ring main unit 1 through a bolt, the inlet pipe 7 is communicated with the outlet pipe 8 through the cooling pipe 9, one side of the outlet pipe 8 is communicated with the ring main unit 1 through an outlet 10, air which generates centrifugal force is driven by the turbofan 6 enters the inlet pipe 7 through the opening and then enters the outlet pipe 8 through the cooling pipe 9, when hot gas flows downwards in the cooling pipe 9, energy generates heat exchange through the outer wall of the cooling pipe 9, the temperature of the hot gas is reduced and enters the bottom of the ring main unit 1 through the outlet 10, the hot gas rises after absorbing the temperature in the ring main unit 1, and the flow rate of the gas is improved by utilizing the thermal expansion and contraction of the gas, the mechanical energy cooling in the ring main unit 1 can be effectively realized, and the working safety of equipment in the ring main unit 1 is guaranteed.
Example 4
Referring to fig. 3 and 4, the difference from embodiment 3 is: cooling tube 9 evenly distributed is in one side of looped netowrk cabinet 1, valve 19 blocks respectively at the top and the bottom of cooling tube 9, and cooling tube 9 homodisperse improves the radiating efficiency to when a certain cooling tube 9 takes place the damage, can seal this cooling tube 9 through closing the valve 19 at this cooling tube 9 both ends, avoid influencing looped netowrk cabinet 1's work because of cooling tube 9 is damaged, prevent effectively that external air from getting into looped netowrk cabinet 1's inboard through damaged cooling tube 9, ensure looped netowrk cabinet 1's leakproofness.
Example 5
Referring to fig. 5, the difference from example 4 is: the glass cement 18 is arranged on one side of the partition plate 16, air is filled on the other side of the partition plate 16, the clamping plates 13 are distributed on the periphery of the inner side of the ring main unit 1, the inserting plates 14 are distributed on the periphery of one side of the cabinet door 2, one side of the inserting plate 14 is clamped on the inner side of the clamping plates 13, when the cabinet door 2 is closed, the inserting plates 14 are firstly inserted into the inner side of the clamping plates 13, then one side of the rubber sleeve 15 is extruded on one side of the clamping plates 13, along with the closing of the cabinet door 2, the air on the other side of the partition plate 16 in the rubber sleeve 15 is compressed, the rubber sleeve 15 is completely close to the clamping plates 13 and the inserting plates 14, the glass cement 18 on one side of the partition plate 16 is extruded through the fine holes 17, the space between the clamping plates 13 and the rubber sleeve 15 is sealed, when the cabinet door 2 is opened for a long time, the non-drying property of the glass cement 18 is utilized, so that the rubber sleeve 15 is separated from the clamping plates 13 through the glass cement 18, avoid rubber sleeve 15 to be broken by the stretch-break, rubber sleeve 15 is outwards extrudeed by the air and is recovered, when closing cabinet door 2 once more, can repeat above-mentioned process, improves sealed effect, ensures rubber sleeve 15's work safety.
Example 6
Referring to fig. 4, the difference from example 5 is: the metal wires 20 are uniformly distributed on the inner side of the cooling pipe 9, the inlet pipe 7, the outlet pipe 8 and the cooling pipe 9 are all aluminum pipes, the heat dissipation efficiency is improved by utilizing the characteristics of aluminum, and when gas flows through the inner side of the cooling pipe, charges in the air are effectively absorbed by the cooling pipe and the metal wires, so that static electricity is effectively reduced, and the working safety of equipment in the ring main unit 1 is guaranteed.
Working principle of examples 1 to 6: the device provides electric energy for all electric equipment through an external power supply, when in use, after a circuit is connected, along with the closing of a cabinet door 2, the gas on the other side of a partition plate 16 in a rubber sleeve 15 is compressed, the rubber sleeve 15 is completely close to a clamping plate 13 and an inserting plate 14, glass cement 18 on one side of the partition plate 16 is extruded out through a pore 17, the clamping plate 13 and the rubber sleeve 15 are sealed, when the cabinet door 2 is opened for a long time, the rubber sleeve 15 is separated from the clamping plate 13 through the glass cement 18 by utilizing the non-drying property of the glass cement 18, the rubber sleeve 15 is prevented from being broken, the rubber sleeve 15 is prevented from being extruded outwards by air to restore, when the cabinet door 2 is closed again, the process can be repeated, the sealing effect is improved, the working safety of the rubber sleeve 15 is ensured, when in work, when the temperature in the ring main unit 1 is higher, the temperature control switch 12 is closed, the motor 3 is opened through the temperature control switch 12, the motor 3 drives the turbofan 6 to rotate in the cutting sleeve, so that gas in the cutting sleeve generates centrifugal force, high-temperature gas of the ring main unit 1 is sucked out through the filter screen 5 to carry out heat dissipation operation on the ring main unit 1, air with the generated centrifugal force is driven by the turbofan 6 to enter the inlet pipe 7 through the through hole and then enter the outlet pipe 8 through the cooling pipe 9, when the hot gas flows downwards in the cooling pipe 9, energy generates heat exchange through the outer wall of the cooling pipe 9, the temperature of the hot gas is reduced and enters the bottom of the ring main unit 1 through the outlet 10, the temperature in the ring main unit 1 is absorbed and then rises, the flow velocity of the gas is improved by utilizing the expansion and contraction of the gas, mechanical energy in the ring main unit 1 can be effectively cooled, the working safety of equipment in the ring main unit 1 is ensured, the cooling pipes 9 are uniformly dispersed, the heat dissipation efficiency is improved, and when one cooling pipe 9 is damaged, can seal this cooling tube 9 through closing the valve 19 at this cooling tube 9 both ends, avoid influencing looped netowrk cabinet 1's work because of the cooling tube 9 is damaged, prevent effectively that external air from getting into looped netowrk cabinet 1's inboard through damaged cooling tube 9, ensure looped netowrk cabinet 1's leakproofness.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an insulating looped netowrk cabinet of ordinary pressure environmental protection which characterized in that: including looped netowrk cabinet (1), cabinet door (2) and motor (3), one side at looped netowrk cabinet (1) is installed in cabinet door (2), the top at looped netowrk cabinet (1) is installed through the bolt in motor (3), the inboard welding of looped netowrk cabinet (1) has roof (4), the welding has filter screen (5) on roof (4), turbofan (6) are installed at the top of filter screen (5), one side welding of looped netowrk cabinet (1) has into pipe (7) and exit tube (8), it is connected with exit tube (8) through cooling tube (9) to advance pipe (7), export (10) have been seted up to one side of looped netowrk cabinet (1), the bottom welding of exit tube (8) has earth connection (11), temperature detect switch (12) are installed through the bolt in the bottom of roof (4), the welding has cardboard (13) on the inner wall of looped netowrk cabinet (1), the welding has picture peg (14) on cabinet door (2), the inboard bonding of picture peg (14) has rubber sleeve (15), the inboard bonding of rubber sleeve (15) has baffle (16), pore (17) have been seted up to one side of rubber sleeve (15), the inboard of rubber sleeve (15) is equipped with glass and glues (18), all install valve (19) on advancing pipe (7) and exit tube (8), the welding has wire (20) on the inner wall of cooling tube (9), temperature detect switch (12) are connected with motor (3) through the electric wire, the top of turbofan (6) is passed looped netowrk cabinet (1) and is installed on the output shaft of motor (3), one side of exit tube (8) is linked together through export (10) and looped netowrk cabinet (1), glass glues (18) and sets up the one side at baffle (16), the opposite side of baffle (16) is equipped with the air, the ring main unit is characterized in that the clamping plates (13) are distributed on the periphery of the inner side of the ring main unit (1), the inserting plates (14) are distributed on the periphery of one side of the cabinet door (2), and one side of each inserting plate (14) is clamped on the inner side of each clamping plate (13).
2. The normal-pressure environment-friendly sealed and insulated ring main unit according to claim 1, characterized in that: the outer side of the turbofan (6) is sleeved with a clamping sleeve, and the bottom of the clamping sleeve is sleeved on the outer side of the filter screen (5).
3. The normal-pressure environment-friendly sealed and insulated ring main unit according to claim 2, characterized in that: an opening is formed in one side of the clamping sleeve, the inlet pipe (7) is communicated with the clamping sleeve through the opening, and the bottom of the clamping sleeve is communicated with the ring main unit (1) through the filter screen (5).
4. The normal-pressure environment-friendly sealed and insulated ring main unit according to claim 1, characterized in that: the inlet pipe (7) is installed at the top of the ring main unit (1) through a bolt, and the outlet pipe (8) is installed at the bottom of the ring main unit (1) through a bolt.
5. The normal pressure environment-friendly sealed insulating ring main unit according to claim 1, characterized in that: the cooling pipes (9) are uniformly distributed on one side of the ring main unit (1), and the valves (19) are respectively clamped at the top and the bottom of the cooling pipes (9).
6. The normal-pressure environment-friendly sealed and insulated ring main unit according to claim 1, characterized in that: the metal wires (20) are uniformly distributed on the inner side of the cooling pipe (9), and the inlet pipe (7), the outlet pipe (8) and the cooling pipe (9) are all aluminum pipes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010854835.9A CN111969472B (en) | 2020-08-24 | 2020-08-24 | Normal-pressure environment-friendly sealed insulating ring main unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010854835.9A CN111969472B (en) | 2020-08-24 | 2020-08-24 | Normal-pressure environment-friendly sealed insulating ring main unit |
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| CN111969472A CN111969472A (en) | 2020-11-20 |
| CN111969472B true CN111969472B (en) | 2022-06-21 |
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| CN118174182B (en) * | 2024-04-11 | 2024-08-13 | 湖南天威电气股份有限公司 | Environment-friendly gas-insulated fully-sealed ring main unit with good sealing performance |
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| CN106786057A (en) * | 2017-01-04 | 2017-05-31 | 杭州金知科技有限公司 | A kind of power distribution cabinet, the temperature control system of power distribution cabinet and method |
| CN210694755U (en) * | 2019-10-28 | 2020-06-05 | 甘肃钢铁职业技术学院 | Control cabinet for electronic engineering |
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| CN201006802Y (en) * | 2006-11-28 | 2008-01-16 | 郭云飞 | Vacuum safekeeping locker for household valuable article |
| US8164901B2 (en) * | 2008-04-16 | 2012-04-24 | Julius Neudorfer | High efficiency heat removal system for rack mounted computer equipment |
| CN203839763U (en) * | 2014-02-21 | 2014-09-17 | 浙江联能电气有限公司 | Adjustment heat radiation distribution box |
| CN106207842B (en) * | 2016-08-31 | 2018-06-19 | 江苏亿能电气有限公司 | A kind of all-insulation inflation looped network cabinet cabinet |
| CN209526670U (en) * | 2019-01-24 | 2019-10-22 | 青岛惠尔节能科技有限公司 | A kind of heat dissipation channel for frequency-conversion control cabinet |
| CN209434704U (en) * | 2019-03-21 | 2019-09-24 | 河北玖鑫电气设备科技有限公司 | A kind of ring network cabinet |
| CN210443924U (en) * | 2019-09-02 | 2020-05-01 | 徐牛盅 | Environment-friendly gas chamber structure of gas insulated switchgear |
| CN210986739U (en) * | 2019-12-06 | 2020-07-10 | 华北电力大学（保定） | Multifunctional electrical control cabinet |
| CN110752519B (en) * | 2019-12-16 | 2021-02-02 | 株洲瑞尔泰机电科技有限公司 | Electric cabinet for railway power transmission and distribution |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786057A (en) * | 2017-01-04 | 2017-05-31 | 杭州金知科技有限公司 | A kind of power distribution cabinet, the temperature control system of power distribution cabinet and method |
| CN210694755U (en) * | 2019-10-28 | 2020-06-05 | 甘肃钢铁职业技术学院 | Control cabinet for electronic engineering |
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