CN110518476B - Safety high-low voltage power distribution cabinet - Google Patents
Safety high-low voltage power distribution cabinet Download PDFInfo
- Publication number
- CN110518476B CN110518476B CN201910830859.8A CN201910830859A CN110518476B CN 110518476 B CN110518476 B CN 110518476B CN 201910830859 A CN201910830859 A CN 201910830859A CN 110518476 B CN110518476 B CN 110518476B
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- power distribution
- cavity
- sealing
- cabinet
- cabinet body
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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
- H02B1/28—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
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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)
- Patch Boards (AREA)
Abstract
The invention discloses a safe high-low voltage power distribution cabinet, which comprises a cabinet body, wherein an installation cavity with an open front end face is arranged in the cabinet body, more than one power distribution device is suspended in the installation cavity, power distribution modules in each power distribution device are connected through more than one flat cable, more than one supporting leg is arranged at the bottom of the cabinet body to support the whole cabinet body, a safety protection mechanism is arranged in each power distribution device, and the power distribution cavities in the whole power distribution devices are sealed through the safety protection mechanisms. The power distribution cabinet disclosed by the invention has very good ventilation and heat dissipation performance, heat transfer cannot occur among the power distribution modules, a fire source cannot be transferred in case of fire, and meanwhile, the power distribution cabinet has very good waterproof and fireproof performance, can seal the whole power distribution cavity in case of fire or accumulated water, protects the power distribution modules in the power distribution cavity, and increases the use safety of the power distribution cabinet.
Description
Technical Field
The invention relates to a power distribution cabinet, in particular to a safe high-low voltage power distribution cabinet.
Background
The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.
The structure of present switch board is single relatively all, it has included the switch board body and has installed in the internal distribution module of switch board, the switch board body is in order to increase waterproof nature, so generally all can set up waterproof circle in door plant department for increase waterproof nature, but waterproof nature is done fine, nevertheless can appear intaking in the position of cooling fan and air intake, whole distribution chamber can not be sealed, sealed setting can seriously influence heat dispersion moreover, lead to life to reduce.
In addition, because all the distribution modules all set up in a distribution cavity, if one of them distribution module can lead to inside the whole distribution cavity to be lighted fast because ageing or short circuit spontaneous combustion like this, take place more serious accident, cause serious economic loss, heat transfer is also very serious moreover, influences the life of distribution module. In addition, the current power distribution cabinet only depends on a fan to dissipate heat, has a common heat dissipation effect and cannot be applied to a complex environment.
Disclosure of Invention
The invention aims to solve the technical problem that a safety high-low voltage power distribution cabinet adopts a special suspension structure, and when a fire disaster occurs and water is accumulated in the special case, the whole power distribution cavity can be sealed, so that the purpose of protecting a power distribution module is finally achieved, and the damage degree of the power distribution cabinet is reduced.
The invention is realized by the following technical scheme: the utility model provides a safe type high-low voltage distribution cabinet, includes the cabinet body, and the inside of this cabinet body has the open installation cavity of terminal surface before one, and the open end installation cabinet door of installation cavity has suspended in midair more than one distribution device in the installation cavity, connects through the winding displacement more than one between the inside distribution module of every distribution device, and the bottom of the cabinet body is provided with the supporting legs more than one and supports whole cabinet body, all be provided with a safety protection mechanism in the distribution device, through the inside distribution cavity of safety protection mechanism sealed whole distribution device.
As the preferred technical scheme, distribution device all includes a distribution shell, and distribution shell inside has a distribution chamber of the equal open-ended of upper and lower extreme, a negative-pressure air fan is installed at the top in distribution chamber, and the bottom open end in distribution chamber installs a filter plate, and a through-hole is seted up in the middle of the filter plate, safety protection mechanism passes this through-hole, and its one end stretches into in distribution chamber, and the other end stretches out in distribution shell's bottom, and more than one distribution module is all installed on a mounting panel of reassembling type.
As preferred technical scheme, the outside end welded fastening closing plate of mounting panel, the closing plate is the arch shape, and the columniform distribution shell setting of its laminating, the assembly that the mounting panel was seted up on passing the distribution shell is led to the groove and is stretched into in the distribution intracavity, all wraps up one side silica gel sealing layer on the outer wall of mounting panel, mounting panel and the sealed assembly of the logical inslot face of assembly.
As the preferred technical scheme, safety protection mechanism includes a portion of floating, middle heat conduction pole and a sealing, and the whole circular shape distribution chamber of sealing, and sealing sets up in being close to negative-pressure air fan one side, the portion of floating sets up in the outside end bottom of distribution shell, and middle heat conduction pole one end is connected with the portion of floating, and the other end is connected with sealing, and middle heat conduction pole is the metal heat conduction pole, and it is located between each distribution module and absorbs the heat of each distribution module, and the bottom of middle heat conduction pole stretches out in the outside of distribution shell.
Preferably, the floating part is made of a hollow plastic material, a gas storage cavity is formed in the floating part, a floating body is formed by the gas storage cavity, and the buoyancy of the floating part is larger than the friction force between the sealing part and the power distribution cavity, so that the sealing part is jacked up by the floating part when water exists at the bottom.
As the preferred technical scheme, the top surface bonding one side silica gel sealing layer of portion that floats, the sealing is provided with more than one air guide rod near inserting on the excircle face of sealing, and sealing divides into two independent upper and lower cavities with whole distribution chamber, and air guide rod switches on two upper and lower cavities, and distribution chamber's open-top end is provided with a spacing ring, when sealing rises and when contacting with the spacing ring, utilizes the lower terminal surface of spacing ring to seal each air guide rod.
Preferably, when the top of the sealing part is in sealing contact with the lower end face of the limiting ring, the upper end face of the floating part is just in sealing contact with the lower end face of the power distribution shell.
As the preferred technical scheme, assemble through the screw-thread engagement between negative-pressure air fan and the distribution intracavity wall, negative-pressure air fan's top has a triangular fixed bolster, and department is provided with the first engaging lug of integral type in the middle of the top of fixed bolster, be provided with the second engaging lug that corresponds on the installation cavity top surface of the cabinet body, all tie in the earhole of first engaging lug and second engaging lug and adorn a lifting rope of low ignition point.
The invention has the beneficial effects that: when the heat dissipation device is normally used, air convection is realized by using the negative pressure fan, the purpose of rapid heat dissipation is achieved, and internal heat can be rapidly guided to the outside by matching with the middle heat conduction rod, so that the heat dissipation performance is further improved;
the power distribution modules are arranged in the independent sub-chambers, so that heat cannot be mutually transferred, and when the power distribution module in one power distribution chamber spontaneously ignites, flame cannot be transferred to other power distribution modules, so that the safety is higher;
when flame or water exists, the power distribution cavity can be automatically sealed after reaching a certain degree, a power distribution module in the power distribution cavity is protected, and the safety is improved to the maximum.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of one of the power distribution devices of the present invention;
FIG. 3 is a top view of the negative pressure air blower of the present invention;
fig. 4 is a view showing a state in which the hoist rope of the present invention is broken.
Detailed Description
As shown in fig. 1, this safe type high-low voltage power distribution cabinet, including a cabinet body 3, the inside of this cabinet body 3 has the open installation cavity 13 of a preceding terminal surface, the open end installation cabinet door (not shown) of installation cavity 13, it has more than one distribution device to suspend in midair in installation cavity 13, connect through more than one winding displacement 12 between the inside distribution module of every distribution device, the bottom of cabinet body 3 is provided with more than one supporting legs and supports whole cabinet body, all be provided with a safety protection mechanism in the distribution device, through the inside distribution cavity 7 of safety protection mechanism sealed whole distribution device.
As shown in fig. 2, the power distribution devices all include a power distribution housing 8, the power distribution housing 8 is internally provided with a power distribution chamber 7 with an upper end and a lower end both open, a negative pressure fan 1 is installed at the top of the power distribution chamber 7, a filter screen 6 is installed at the bottom opening end of the power distribution chamber 7, a through hole is formed in the middle of the filter screen 6, the safety protection mechanism penetrates through the through hole, one end of the safety protection mechanism extends into the power distribution chamber 7, the other end of the safety protection mechanism extends out of the bottom of the power distribution housing 8, and more than one power distribution module is installed on a detachable installation plate 15.
The outside end welded fastening closing plate 9 of mounting panel 15, closing plate 9 is hunch shape, the columniform distribution shell 8 setting of its laminating, mounting panel 15 passes the assembly that sets up on the distribution shell 8 and leads to the groove and stretch into in distribution chamber 7, all wrap up one side silica gel sealing layer on mounting panel 15's the outer wall, mounting panel 15 and the sealed assembly of the logical inslot face of assembly, when overhauing, the maintainer can outwards take the mounting panel out, and then each distribution module of pull play overhauls, unusual convenience.
Wherein, safety protection mechanism includes one portion of floating 5, middle heat conduction rod 4 and a sealing portion 2, sealing portion 2 seals whole circular shape distribution chamber 7, and sealing portion 2 sets up in being close to 1 one side of negative-pressure air fan, floating portion 5 sets up in the outside end bottom of distribution shell 8, 4 one end of middle heat conduction rod are connected with portion of floating 5, the other end is connected with sealing portion 2, middle heat conduction rod 4 is the metal heat conduction rod, it is located between each distribution module and absorbs the heat of each distribution module, the bottom of middle heat conduction rod 4 stretches out in the outside of distribution shell 8.
The portion 5 that floats adopts a hollow plastic material, its inside has a gas storage chamber, and form a body through the gas storage chamber, this buoyancy of portion 5 that floats is greater than the frictional force between sealing 2 and the distribution chamber, make and utilize the portion jack-up sealing of floating when there is water in the bottom, when intaking in the distribution shell like this, the buoyancy of water can make the portion of floating float, the buoyancy of the portion of floating this moment is utilized and is come jack-up middle heat conduction pole, the middle heat conduction pole of recycling is with the sealing jack-up, utilize the portion of floating and sealing to block the both sides open end in distribution chamber, outside water just can not enter into the distribution chamber like this, play water-tight effect.
Wherein, the top surface bonding one side silica gel sealing layer (not shown) of portion 5 floats, increase the leakproofness between portion 5 and the distribution shell 8 bottom of floating, seal portion 2 inserts on the excircle face near seal portion 2 and is provided with more than one air guide rod 53, seal portion 2 divides into two independent upper and lower cavities with whole distribution chamber 7, air guide rod 53 switches on two upper and lower cavities, the open-top end of distribution chamber 7 is provided with a spacing ring 54, when seal portion 2 rises and contacts with spacing ring 54, utilize the lower terminal surface of spacing ring 54 to seal each air guide rod 53, because air guide rod 53 is blocked, that is to say, be in a encapsulated situation this moment in distribution chamber 7, can not get into outside water and air, can realize fine fire prevention and waterproof function this moment.
When the top of sealing part and the lower terminal surface sealing contact of spacing ring, the up end of the portion that floats just in time and the lower terminal surface sealing contact of distribution shell utilize the structure of this linkage, no matter be because the upper and lower open end in dead weight sealing distribution chamber, still because buoyancy comes the sealing distribution chamber, all can seal whole distribution chamber under the special circumstances, unusual safety can effectively use in more complex environment.
As shown in fig. 3, the negative pressure fan 1 and the inner wall of the power distribution cavity 7 are assembled by thread engagement, the top of the negative pressure fan 1 is provided with a triangular fixing support 55, the middle of the top of the fixing support 55 is provided with an integrated first connecting lug 56, the top surface of the mounting cavity of the cabinet body 3 is provided with a corresponding second connecting lug (not shown), and a low-ignition-point lifting rope 11, which can be a nylon rope, is tied in the lug holes of the first connecting lug and the second connecting lug. When one of them distribution device is inside or when the outside has flame, the lifting rope can fuse fast to the flame, make distribution device drop naturally under the action of gravity, the decline in-process can earlier with the contact of portion of floating, the top seal portion in the portion of floating, make the top open end in the sealed distribution chamber of sealing, utilize the bottom open end of the sealed distribution shell of portion of floating this moment, the top open end in the sealed distribution chamber of utilization sealing, as shown in figure 4, distribution chamber inside can not get into the air again this moment, so under the environment of oxygen-free, flame can not continue the burning, treat the oxygen after burning out, alright put out a fire fast, reach the purpose of putting out a fire fast.
The invention has the beneficial effects that: when the heat dissipation device is normally used, air convection is realized by using the negative pressure fan, the purpose of rapid heat dissipation is achieved, and internal heat can be rapidly guided to the outside by matching with the middle heat conduction rod, so that the heat dissipation performance is further improved;
the power distribution modules are arranged in the independent sub-chambers, so that heat cannot be mutually transferred, and when the power distribution module in one power distribution chamber spontaneously ignites, flame cannot be transferred to other power distribution modules, so that the safety is higher;
when flame or water exists, the power distribution cavity can be automatically sealed after reaching a certain degree, a power distribution module in the power distribution cavity is protected, and the safety is improved to the maximum.
Claims (5)
1. The utility model provides a safe type high-low voltage distribution cabinet which characterized in that: the intelligent cabinet comprises a cabinet body, wherein an installation cavity with an open front end face is formed in the cabinet body, more than one power distribution device is suspended in the installation cavity, power distribution modules in each power distribution device are connected through more than one flat cable, more than one supporting leg is arranged at the bottom of the cabinet body to support the whole cabinet body, a safety protection mechanism is arranged in each power distribution device, and the power distribution cavities in the whole power distribution devices are sealed through the safety protection mechanisms;
the power distribution devices comprise power distribution shells, each power distribution shell is internally provided with a power distribution cavity with openings at the upper end and the lower end, the top of each power distribution cavity is provided with a negative pressure fan, the bottom opening end of each power distribution cavity is provided with a filter screen plate, the middle of each filter screen plate is provided with a through hole, the safety protection mechanism penetrates through the through hole, one end of the safety protection mechanism extends into the power distribution cavity, the other end of the safety protection mechanism extends out of the bottom of each power distribution shell, and more than one power distribution module is arranged on a detachable mounting plate;
the outer side end of the mounting plate is fixedly welded with a sealing plate, the sealing plate is in an arch shape and is arranged by being attached to a cylindrical power distribution shell, the mounting plate penetrates through an assembly through groove formed in the power distribution shell and extends into a power distribution cavity, the outer wall surface of the mounting plate is wrapped with a silica gel sealing layer on one side, and the mounting plate is assembled with the inner wall surface of the assembly through groove in a sealing mode;
the safety protection mechanism comprises a floating part, an intermediate heat conducting rod and a sealing part, wherein the sealing part seals the whole circular power distribution cavity, the sealing part is arranged on one side close to the negative pressure fan, the floating part is arranged at the bottom of the outer side end of the power distribution shell, one end of the intermediate heat conducting rod is connected with the floating part, the other end of the intermediate heat conducting rod is connected with the sealing part, the intermediate heat conducting rod is a metal heat conducting rod, the intermediate heat conducting rod is positioned between the power distribution modules and absorbs the heat of the power distribution modules, and the bottom of the intermediate heat conducting rod stretches out of the power distribution shell.
2. The safety high-low voltage power distribution cabinet according to claim 1, characterized in that: the floating part is made of hollow plastic materials, a gas storage cavity is formed in the floating part, a floating body is formed through the gas storage cavity, the buoyancy of the floating part is larger than the friction force between the sealing part and the power distribution cavity, and the sealing part is jacked up by the floating part when water exists at the bottom.
3. The safety high-low voltage power distribution cabinet according to claim 2, characterized in that: the top surface bonding one side silica gel sealing layer of the portion that floats, the seal portion inserts on being close to the outer disc of seal portion and is provided with the pole of leading gas more than one, and two independent upper and lower cavities are cut apart into with whole distribution chamber to the seal portion, and two upper and lower cavities are switched on to the pole of leading gas, and the open-top end in distribution chamber is provided with a spacing ring, when the seal portion rises and when contacting with the spacing ring, utilizes the sealed each pole of leading of lower terminal surface of spacing ring.
4. The safety high-low voltage power distribution cabinet according to claim 3, characterized in that: when the top of the sealing part is in sealing contact with the lower end face of the limiting ring, the upper end face of the floating part is just in sealing contact with the lower end face of the power distribution shell.
5. The safety high-low voltage power distribution cabinet according to claim 1, characterized in that: the negative-pressure air blower is assembled with the inner wall of the power distribution cavity through threaded engagement, the top of the negative-pressure air blower is provided with a triangular fixing support, a first connecting lug of an integrated type is arranged in the middle of the top of the fixing support, a corresponding second connecting lug is arranged on the top surface of the mounting cavity of the cabinet body, and a low-ignition-point lifting rope is arranged in each lug hole of the first connecting lug and the second connecting lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910830859.8A CN110518476B (en) | 2019-09-04 | 2019-09-04 | Safety high-low voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910830859.8A CN110518476B (en) | 2019-09-04 | 2019-09-04 | Safety high-low voltage power distribution cabinet |
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| CN110518476A CN110518476A (en) | 2019-11-29 |
| CN110518476B true CN110518476B (en) | 2020-08-18 |
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| CN201910830859.8A Active CN110518476B (en) | 2019-09-04 | 2019-09-04 | Safety high-low voltage power distribution cabinet |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244803A (en) * | 2020-03-30 | 2020-06-05 | 吴洪明 | Power box |
| CN111555131A (en) * | 2020-05-13 | 2020-08-18 | 韦洁琳 | Electric power cabinet |
| CN112436386B (en) * | 2020-10-26 | 2022-08-16 | 滁州市朝友精密制造有限公司 | Self-moving anti-seepage outdoor power distribution cabinet |
| CN112909797B (en) * | 2021-02-23 | 2023-05-02 | 南京伯凯成电气有限公司 | Self-moving type anti-seepage outdoor power distribution cabinet |
| CN113241611B (en) * | 2021-06-14 | 2022-03-08 | 开平市任达电器实业有限公司 | Intelligent integrated cabinet body for uninterruptible power supply |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160041468A (en) * | 2014-10-07 | 2016-04-18 | 강은진 | Air conditioning apparatus having waterproof function |
| CN204966480U (en) * | 2015-10-10 | 2016-01-13 | 惠州智科实业有限公司 | Pipeline heat dissipation module |
| CN205565361U (en) * | 2016-04-23 | 2016-09-07 | 象山搏远智能科技有限公司 | Ponding switch board is prevented in outdoor lightning protection rain -proof |
| CN107387849B (en) * | 2016-05-14 | 2020-03-10 | 郑开省 | Double-control-chamber double-floating-body exhaust valve |
| KR20180025497A (en) * | 2016-08-31 | 2018-03-09 | 주식회사 이천엔지니어링 | Distributing board that can dissipate heat inside |
| CN208589690U (en) * | 2018-08-02 | 2019-03-08 | 河北莱森特电气有限公司 | A kind of wall-mounted distribution box |
| CN209104627U (en) * | 2018-12-28 | 2019-07-12 | 武汉远大电气制造有限公司 | A kind of heat dissipation power distribution box of protected against the effects of immersion |
| CN209183981U (en) * | 2018-12-29 | 2019-07-30 | 国网北京市电力公司 | A kind of floated distribution net equipment |
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Effective date of registration: 20200706 Address after: 433124 No. 57, 20 Avenue, Guanghua office, Qianjiang, Hubei Applicant after: JIANGHAN OIL FIELD RUI TENGDA ENGINEERING QIANJIANG Co.,Ltd. Address before: 322105 Shenzhen Gancun 1-179, Geshan Town, Dongyang City, Jinhua City, Zhejiang Province Applicant before: Yu Zhengyao |
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