CN112670872B - High-low voltage power distribution cabinet - Google Patents
High-low voltage power distribution cabinet Download PDFInfo
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- CN112670872B CN112670872B CN202110133053.0A CN202110133053A CN112670872B CN 112670872 B CN112670872 B CN 112670872B CN 202110133053 A CN202110133053 A CN 202110133053A CN 112670872 B CN112670872 B CN 112670872B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention discloses a high-low voltage power distribution cabinet, which comprises a cabinet body, wherein a partition plate is arranged in the cabinet body, the partition plate divides the cabinet body into a transition cavity at the top and an installation cavity at the bottom, and a high-pressure air bag inflated and expanded is arranged in the transition cavity; more than one electric box is arranged in the installation cavity side by side, a module installation plate and an electric module arranged on the module installation plate are arranged in the electric box, an electric cavity is arranged in the electric box, a transparent inner door plate is arranged outside the electric cavity, the middle position of each electric box is provided with a hollow heat conduction pipe in a penetrating way, and an expansion air bag is arranged in the middle of each heat conduction pipe in a butt joint mode. The power distribution cabinet disclosed by the invention has very good heat dissipation capability, and meanwhile, under the condition of increasing the heat dissipation capability, the purpose of quickly extinguishing a fire is achieved by using the heat dissipation structure, and the fireproof safety in the power distribution cabinet is increased.
Description
Technical Field
The invention relates to a power distribution cabinet, in particular to a high-low voltage power distribution cabinet.
Background
The distribution cabinet (case) is a final-stage device of a distribution system and is a general name of a motor control center.
Because the switch board is a power equipment, receive external environment influence, circuit ageing, short circuit etc. the spontaneous combustion condition can appear rather easily, leads to the electric power to break, and economic loss is serious. Present switch board to quick warning is given first place to, generally can not make the action of putting out a fire when the conflagration takes place. And because the particularity of the power distribution cabinet, the fire can not be extinguished by using media such as water, and the like, so that how to quickly extinguish the fire source becomes a big problem.
In addition, because the interval is closely between the inside electric module of switch board, the flame transfer is quick, more dangerous, and because interval is closely between the electric module, so the heat is concentrated, and cold wind that cooling fan sent into is hardly close to each electric module, and the cold air contact is insufficient, so traditional radiating mode hardly satisfies the heat dissipation demand, leads to the inside heat transition of switch board to concentrate, influences the use.
Disclosure of Invention
The invention aims to solve the technical problem that all electrical modules are separately arranged, heat concentration is reduced, flame is prevented from being rapidly transmitted, the heat dissipation performance of the electrical modules is better by utilizing the heat conducting rod to be matched with more than one air guide micro-tube, and meanwhile, when a fire disaster occurs in the power distribution cabinet, the peripheral air of the electrical modules is extruded by utilizing the rapidly-expanded expansion air bag by utilizing the heat dissipation structure, so that the purpose of rapidly extinguishing the fire is achieved, and the fire safety is improved.
The invention is realized by the following technical scheme: a high-low voltage power distribution cabinet comprises a cabinet body, wherein a partition plate is arranged in the cabinet body, the partition plate divides the cabinet body into a transition cavity at the top and an installation cavity at the bottom, and a high-pressure air bag inflated and expanded is arranged in the transition cavity;
more than one electric box is arranged in the installation cavity side by side, a module installation plate and an electric module arranged on the module installation plate are arranged in the electric box, an electric cavity is formed in the electric box, a transparent inner door plate is arranged outside the electric cavity, a hollow heat conduction pipe penetrates through the middle of each electric box, an expansion airbag is arranged in the middle of each heat conduction pipe in a butt joint mode, joints at two ends of each expansion airbag are in butt joint conduction with an airflow channel inside the corresponding heat conduction pipe, one end of each heat conduction pipe penetrates through the electric box and is fixedly connected with the bottom surface of the cabinet body, and the other end of each heat conduction pipe penetrates through the partition plate, the high-voltage airbag and the cabinet body and extends out of the cabinet body to guide heat to the outside;
the input end of the high-pressure air bag is connected with an air pump, air is supplied and expanded through the air pump, the output end of the high-pressure air bag is in butt joint conduction with the heat conduction pipe through a transmission pipe, the air pump is provided with an air pump controller, the air pump is started to work at regular time through the air pump controller, and an air pump power supply is connected to a cabinet power supply;
the expansion air bag comprises an expansion air bag, a heat conduction pipe and an expansion sealing plug, wherein the heat conduction pipe is arranged at the top of the expansion air bag, more than one air outlet micro-hole is formed in the heat conduction pipe at the top of the expansion sealing plug, the output end of each air outlet micro-hole is connected with one air guide micro-pipe, the air outlet end of each air guide micro-pipe extends towards an electrical module, the expansion sealing plug blocks the upper end and the lower end of an air flow channel, the expansion sealing plug is connected with an external extension pipe through a guide pipe, one end of the extension pipe extends towards the electrical module, and the external end of the extension pipe is sealed.
According to the preferable technical scheme, the air guide micro-tube is a flexible metal tube with shaping capacity, the extension tube is a plastic tube or a hard rubber tube without deformation capacity, and one end of the extension tube close to the electric element is thinned.
As a preferable technical scheme, the expansion sealing plug is made of elastic rubber materials, the expansion sealing plug expands after being inflated and is arranged in a sealing plate, the sealing plate is provided with a through hole, and the expansion sealing plug blocks the through hole after being inflated.
As the preferred technical scheme, a connecting pipe is arranged between the air pump and the high-pressure air bag, and a one-way air inlet valve is arranged on the connecting pipe.
As the preferred technical scheme, the outside of electric box is provided with the bracing piece, through bracing piece welded fastening in the inside of the cabinet body.
As a preferred technical scheme, the bottom of the electrical box is provided with more than one air outlet, the high-pressure air bag and the expansion air bag are both made of elastic rubber materials, and the elastic force of the high-pressure air bag is greater than that of the expansion air bag.
The invention has the beneficial effects that: the invention utilizes more than one air guide micro-tube to closely contact each electric module, so that the electric modules can be in heavy contact with cold air, and the heat conduction performance of the heat conduction tubes is matched, thereby greatly increasing the heat dissipation performance in the power distribution cabinet, and the use is more stable and safe;
secondly, the expansion airbag is arranged on the heat conduction pipe by means of the structure of the heat conduction pipe, so that when a fire disaster happens in the electric box, the expansion airbag is used for rapidly expanding to contact air, the purpose of rapidly extinguishing the fire is achieved by using a physical mode, and the fire prevention safety in the power distribution cabinet is greatly improved.
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 internal structure of the present invention;
FIG. 2 is a schematic view of the interior of the electrical box of the present invention;
FIG. 3 is a schematic view of the interior of the electrical box after expansion of the inflatable bladder of the present invention;
FIG. 4 is a partial internal view of the heat pipe of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, the high-low voltage power distribution cabinet of the invention comprises a cabinet body 1, wherein a partition plate 6 is arranged in the cabinet body 1, the cabinet body is divided by the partition plate 6 into a transition cavity 7 at the top and an installation cavity 10 at the bottom, and a high-pressure air bag 5 inflated and expanded is arranged in the transition cavity 7;
more than one electric box 2 is arranged in the installation cavity 10 side by side, a module installation plate and an electric module 15 arranged on the module installation plate are arranged in the electric box 2, an electric cavity 17 is arranged in the electric box 2, a transparent inner door plate 4 is arranged outside the electric cavity 17, a hollow heat conduction pipe 11 penetrates through the middle of each electric box 2, an expansion airbag 16 is arranged in the middle of each heat conduction pipe 11 in a butt joint mode, joints at two ends of the expansion airbag 16 are in butt joint and communicated with an airflow channel 112 in the heat conduction pipe 11, one end of each heat conduction pipe 11 penetrates through the electric box 2 to be fixedly connected with the bottom surface of the cabinet body 1, and the other end of each heat conduction pipe 11 penetrates through the partition plate 6, the high-pressure airbag 5 and the cabinet body 1 to stretch out of the cabinet body to guide heat to the outside;
the input end of the high-pressure air bag 5 is connected with an air pump 9, air is supplied and expanded through the air pump 9, the output end of the high-pressure air bag 5 is in butt joint conduction with the heat conduction pipe 11 through a transmission pipe 12, the air pump 9 is provided with an air pump controller 8, the air pump 9 is started to work at regular time through the air pump controller 8, and the power supply of the air pump 9 is connected to the power supply of the cabinet body and is arranged on the top surface of the transition cavity 7;
an expansion sealing plug 22 is arranged in the heat conduction pipe at the top of the expansion airbag 16, more than one air outlet micro-hole 23 is arranged on the heat conduction pipe 11 at the top of the expansion sealing, the output ends of the air outlet micro-holes 23 are connected with an air guide micro-pipe 13, the air outlet end of each air guide micro-pipe 13 extends towards the electric module 15, the expansion sealing plug 22 blocks the upper end and the lower end of an air flow channel, the expansion sealing plug 22 is connected with an external extension pipe 14 through a guide pipe 24, one end of the extension pipe 14 extends towards the electric module 15, and the external end of the extension pipe 14 is closed.
In this embodiment, the air guide micro-tubes 13 are flexible metal tubes with shaping capability, the extension tubes 14 are plastic tubes or hard rubber tubes without deformation capability, one ends of the extension tubes, which are close to the electrical elements, are thinned, the air guide micro-tubes 13 are used for continuously inputting air flow to each electrical module, so as to achieve the purpose of heat dissipation, and the number of the air guide micro-tubes can be set as many as required.
The purpose of the thinned end of the extension 14 is to make it more easily damaged by fire so that the inflated plug will leak and become unexpanded.
As shown in fig. 4, the expandable sealing plug 22 is made of elastic rubber material, and expands after being inflated and is installed in a sealing plate 21, the sealing plate 21 is provided with a through hole, the expandable sealing plug 22 blocks the through hole after being inflated, when the tail end of the extension pipe is damaged by the flame cup, the gas filled in the expandable sealing plug 22 can run out, the volume of the expandable sealing plug becomes small after being leaked, so that the through hole is communicated, and thus, the gas side in the high-pressure airbag can quickly pass through the through hole through the heat conduction pipe and enter the expandable airbag, so that the expandable airbag expands, as shown in fig. 3, the gas inside the electrical cavity is extruded by the expandable airbag, and the purpose of physical fire extinguishing is achieved by utilizing the friction contact force of the expandable airbag.
Wherein, a connecting pipe 99 is arranged between the air pump 9 and the high-pressure air bag 5, and a one-way air inlet valve is arranged on the connecting pipe 99, because the air pump works intermittently, when the air pump does not work, the air in the high-pressure air bag can continuously input into each heat conducting pipe, and can not flow back outwards.
In this embodiment, the support rod 3 is disposed outside the electrical box 2, and is welded and fixed inside the cabinet 1 through the support rod 3.
The bottom of the electrical box 2 is provided with more than one air outlet 18, hot air flows out through the air outlet to achieve the purpose of heat dissipation, the high-pressure air bag 5 and the expansion air bag 16 are both made of elastic rubber materials, and the elastic force of the high-pressure air bag 5 is greater than that of the expansion air bag. Because the elastic force of the high-pressure air bag 5 is greater than that of the expansion air bag, once the through holes on the sealing plate are communicated, the gas in the high-pressure air bag is quickly filled into the expansion air bag, so that the expansion air bag is quickly expanded.
In this embodiment, the high-pressure airbag 5 needs to be always in an inflated state, when the air pump is turned off, the gas in the high-pressure airbag is continuously discharged through the gas guide microtube 13, and at this time, the volume of the high-pressure airbag is continuously reduced, for example, after discharging for 3 hours (the set time is adjusted according to the field discharging speed), the air pump is turned on again to charge the gas into the high-pressure airbag 5, so that the volume of the high-pressure airbag is increased, so that continuous discharging is realized, and the purpose that the high-pressure airbag is always in the inflated state is to ensure that the high-pressure airbag can be rapidly inflated under high pressure, so that the fire extinguishing effect is better, and therefore the turning-on time of the air pump is generally set to be turned on when the high-pressure airbag is still in the inflated state.
The invention has the beneficial effects that: the invention utilizes more than one air guide micro-tube to closely contact each electric module, so that the electric modules can be in heavy contact with cold air, and the heat conduction performance of the heat conduction tubes is matched, thereby greatly increasing the heat dissipation performance in the power distribution cabinet, and the use is more stable and safe;
secondly, the expansion airbag is arranged on the heat conduction pipe by means of the structure of the heat conduction pipe, so that when a fire disaster happens in the electric box, the expansion airbag is used for rapidly expanding to contact air, the purpose of rapidly extinguishing the fire is achieved by using a physical mode, and the fire prevention safety in the power distribution cabinet is greatly improved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a high-low voltage power distribution cabinet which characterized in that: the cabinet comprises a cabinet body, wherein a partition plate is arranged in the cabinet body, the partition plate divides the cabinet body into a transition cavity at the top and an installation cavity at the bottom, and a high-pressure air bag inflated and expanded is arranged in the transition cavity;
more than one electric box is arranged in the installation cavity side by side, a module installation plate and an electric module arranged on the module installation plate are arranged in the electric box, an electric cavity is formed in the electric box, a transparent inner door plate is arranged outside the electric cavity, a hollow heat conduction pipe penetrates through the middle of each electric box, an expansion airbag is arranged in the middle of each heat conduction pipe in a butt joint mode, joints at two ends of each expansion airbag are in butt joint conduction with an airflow channel inside the corresponding heat conduction pipe, one end of each heat conduction pipe penetrates through the electric box and is fixedly connected with the bottom surface of the cabinet body, and the other end of each heat conduction pipe penetrates through the partition plate, the high-voltage airbag and the cabinet body and extends out of the cabinet body to guide heat to the outside;
the input end of the high-pressure air bag is connected with an air pump, air is supplied and expanded through the air pump, the output end of the high-pressure air bag is in butt joint conduction with the heat conduction pipe through a transmission pipe, the air pump is provided with an air pump controller, the air pump is started to work at regular time through the air pump controller, and an air pump power supply is connected to a cabinet power supply;
the expansion air bag comprises an expansion air bag, a heat conduction pipe and an expansion sealing plug, wherein the heat conduction pipe is arranged at the top of the expansion air bag and is provided with more than one air outlet micropore, the output ends of the air outlet micropores are connected with an air guide micropipe, the air outlet end of each air guide micropipe extends towards an electric module, the expansion sealing plug blocks the upper end and the lower end of an air flow channel, the expansion sealing plug is connected with an external extension pipe through a guide pipe, one end of the extension pipe extends towards the electric module, the external end of the extension pipe is sealed, when the tail end of the extension pipe is damaged by flame, the gas filled in the expansion sealing plug can escape out, the volume of the expansion sealing plug is reduced after air leakage, a through hole is communicated, and the gas in the high-pressure air bag quickly passes through the through hole to enter the expansion air bag through the heat conduction pipe so that the expansion air bag expands;
the air guide micro-tube adopts a flexible metal tube with shaping capacity, and the extension tube adopts a plastic tube or a hard rubber tube without deformation capacity;
the expansion sealing plug is made of elastic rubber materials, expands after being inflated and is arranged in a sealing plate, the sealing plate is provided with a through hole, and the expansion sealing plug blocks the through hole after being inflated.
2. High-low voltage power distribution cabinet according to claim 1, characterized in that: a connecting pipe is arranged between the air pump and the high-pressure air bag, and a one-way air inlet valve is arranged on the connecting pipe.
3. High-low voltage power distribution cabinet according to claim 1, characterized in that: the outside of electric box is provided with the bracing piece, through bracing piece welded fastening in the inside of the cabinet body.
4. High-low voltage power distribution cabinet according to claim 1, characterized in that: the bottom of the electric box is provided with more than one air outlet, the high-pressure air bag and the expansion air bag are both made of elastic rubber materials, and the elastic force of the high-pressure air bag is greater than that of the expansion air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110133053.0A CN112670872B (en) | 2021-02-01 | 2021-02-01 | High-low voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110133053.0A CN112670872B (en) | 2021-02-01 | 2021-02-01 | High-low voltage power distribution cabinet |
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| Publication Number | Publication Date |
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| CN112670872A CN112670872A (en) | 2021-04-16 |
| CN112670872B true CN112670872B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110133053.0A Active CN112670872B (en) | 2021-02-01 | 2021-02-01 | High-low voltage power distribution cabinet |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6252167B1 (en) * | 1999-02-03 | 2001-06-26 | Elmer Algin Rose | System and method for suppressing fire in electrical boxes |
| CN106683939A (en) * | 2017-02-10 | 2017-05-17 | 孙光明 | Solid-sealed polar pole with high tightness for gas-insulated metal-enclosed switchgear |
| EP3409556A1 (en) * | 2017-05-31 | 2018-12-05 | Bombardier Transportation GmbH | Fastening system, fire protection cabinet and transport means comprising a fire protection cabinet |
| CN111525404A (en) * | 2020-05-08 | 2020-08-11 | 廖计英 | Heat dissipation type high-low voltage electric power cabinet |
| CN112054387A (en) * | 2019-06-05 | 2020-12-08 | 二工防爆科技股份有限公司 | High-efficient heat dissipation fire prevention explosion-proof cabinet |
-
2021
- 2021-02-01 CN CN202110133053.0A patent/CN112670872B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6252167B1 (en) * | 1999-02-03 | 2001-06-26 | Elmer Algin Rose | System and method for suppressing fire in electrical boxes |
| CN106683939A (en) * | 2017-02-10 | 2017-05-17 | 孙光明 | Solid-sealed polar pole with high tightness for gas-insulated metal-enclosed switchgear |
| EP3409556A1 (en) * | 2017-05-31 | 2018-12-05 | Bombardier Transportation GmbH | Fastening system, fire protection cabinet and transport means comprising a fire protection cabinet |
| CN112054387A (en) * | 2019-06-05 | 2020-12-08 | 二工防爆科技股份有限公司 | High-efficient heat dissipation fire prevention explosion-proof cabinet |
| CN111525404A (en) * | 2020-05-08 | 2020-08-11 | 廖计英 | Heat dissipation type high-low voltage electric power cabinet |
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| CN112670872A (en) | 2021-04-16 |
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Effective date of registration: 20220427 Address after: 201315 first floor, No. 38, Lane 555, huanqiao Road, Pudong New Area, Shanghai Applicant after: ELECTRIC POWER KEEPER ENERGY MANAGEMENT (SHANGHAI) CO.,LTD. Address before: 515071 No.3, Qiheng, Qinglan Baogong Road, DAHAO street, Haojiang District, Shantou City, Guangdong Province Applicant before: Yang Yuxian |
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