CN105742997A - Low-voltage power distribution cabinet - Google Patents
Low-voltage power distribution cabinet Download PDFInfo
- Publication number
- CN105742997A CN105742997A CN201610117253.6A CN201610117253A CN105742997A CN 105742997 A CN105742997 A CN 105742997A CN 201610117253 A CN201610117253 A CN 201610117253A CN 105742997 A CN105742997 A CN 105742997A
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- CN
- China
- Prior art keywords
- water
- cabinet
- pressure release
- inner cabinet
- low
- 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.)
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Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A low-voltage power distribution cabinet comprises an outer cabinet body, an inner cabinet body and a cooling sandwiched layer, wherein the inner cabinet body is fixedly connected with the outer cabinet body, the cooling sandwiched layer is arranged between the outer cabinet body and the inner cabinet body, cooling water flows through the cooling sandwiched layer, a pressure relief valve is connected to the upper end of the inner cabinet body, a water collection groove is further formed above the inner cabinet body and is arranged at the periphery of a bulge on the inner cabinet body, the water collection groove is communicated with the cooling sandwiched layer through a water inlet I in the outer cabinet body, the low-voltage power distribution cabinet also comprises a water supply box, the water supply box comprises a water collection cavity and a water outlet cavity which are communicated, a water outlet I is communicated with the water collection cavity through a water outlet pump, and the water outlet cavity is communicated with the water supply pump and the water collection groove through a pipeline.
Description
Technical field
The present invention relates to the technical field of low pressure equipment for power transmission and distribution, particularly a kind of low-voltage distribution cabinet, is particularly suited for the place that rainwater is more.
Background technology
Low-voltage distribution cabinet is commonly installed out of doors, place particularly in long-term rainy weather, owing to the construction packages of common electrical distribution case is poor, rainwater can enter distribution intracavity, the electrical equipment of distribution intracavity is drenched, thus causing that power distribution cabinet cannot be properly functioning, also bring along serious potential safety hazard simultaneously.
In order to avoid the problems referred to above, if adopting the power distribution cabinet sealed, the electrical equipment of distribution intracavity operationally, can produce substantial amounts of heat, it is impossible to realizes effectively heat radiation；And distribution intracavity is short-circuited during arcing fault, high temperature, high pressure can be produced in distribution intracavity moment；If when power distribution cabinet degree of protection is higher, then this pressure cannot be discharged into outside cabinet smoothly, it is possible to causing distribution cabinet permanent deformation, even cabinet door is blown up, and can there is bigger potential safety hazard.Here it is the weak point existing for prior art.
Summary of the invention
The technical problem to be solved, it is simply that the deficiency existing for prior art, and a kind of low-voltage distribution cabinet is provided, it is possible to effectively carry out dispelling the heat and pressure release.
nullThis programme is achieved by the following technical measures: a kind of low-voltage distribution cabinet，Including outer cabinet、The inner cabinet being connected and the cooling sandwith layer being arranged between outer cabinet and inner cabinet is fixed with outer cabinet，The cross section of described cooling sandwith layer is U-shaped，Circulation cooling water in described cooling sandwith layer，The upper end of described inner cabinet is connected to relief valve，Described relief valve includes the connection valve body being connected with the raised thread on inner cabinet，Described connection valve body is provided with pressure release passage I，Described pressure release passage I connects with distribution chamber，Described distribution intracavity is used for mounting arrangements electrical equipment，The spool mated with pressure release passage I it is provided with in described connection valve body，Described spool be provided above spring，Described spring is by making spool coordinate with pressure release passage I with the block being connected valve body screw thread connection，Described block is provided with the pressure release passage II connected with pressure release passage I，Described inner cabinet be arranged above water leg，Described water leg is arranged on the protruding periphery on inner cabinet，The liquid level of described water leg is consistently less than the protruding height on inner cabinet，Drainage screen I and liquid level sensor it is provided with in described water leg，Described water leg is connected with cooling sandwith layer by the water inlet I on outer cabinet，Described cooling sandwith layer is connected to temperature sensor，The lower end of described cooling sandwith layer is provided with outlet I and sewage draining exit I；Also include water supply tank, described water supply tank includes be connected collect cavity and water chamber, described collect cavity is connected to water inlet II, described water chamber is connected to outlet II, drainage screen II it is provided with between described collect cavity and water chamber, described outlet I is connected with collect cavity with going out water pump by pipeline, described water chamber is connected with water leg with small pump by pipeline, the side of described outer cabinet is provided with control chamber, it is provided with controller in described control chamber, described water supply tank is arranged on the top of control chamber, described temperature sensor, liquid level sensor, small pump, go out water pump to be all electrically connected with the controller.
On the basis of technique scheme, it is also possible to have further technical scheme:
Preferably, the protruding top on described inner cabinet is provided with external screw thread, and the raised thread on described inner cabinet is connected to the relief tube connected with pressure release passage II, and Open Side Down for described relief tube.
Preferably, the thickness of described cooling sandwith layer is more than 6cm.
Preferably, the liquid level in described water leg is more than 6cm.
Preferably, the outer surface of described low-voltage distribution cabinet is provided with insulating barrier.
Beneficial effects of the present invention is appreciated that from above-mentioned technical scheme: normal operating conditions, spring by making spool closure pressure release passage I with the block being connected valve body screw thread connection, when distribution intracavity is short-circuited arcing fault, at the high temperature that distribution intracavity moment produces, high pressure overcomes acting force of the spring to be opened by spool, make the high temperature of distribution intracavity, high pressure is discharged into outside distribution chamber, this low-voltage distribution cabinet is applied in the place that rainwater is more, described water leg and water supply tank can be collected rainwater and be dispelled the heat in distribution chamber, described inner cabinet degree of protection is higher, rainwater can be avoided to enter distribution intracavity, drainage screen I is set and the rainwater collected can be filtered by drainage screen II.When the temperature of cooling sandwith layer inner cooling water is higher than highest setting value, described go out water pump and small pump start, make cooling water at cooling sandwith layer, water leg and water supply tank internal circulation flow, when the temperature of cooling sandwith layer inner cooling water reaches minimum setting value, described in go out water pump and small pump is out of service；When the liquid level in water leg is less than minimum setting value, described small pump starts, and the cooling water in water supply tank is filled into water leg, until when the liquid level in water leg reaches highest setting value, small pump is out of service.
As can be seen here, the present invention compared with prior art, has prominent substantive distinguishing features and significant progressive, and the beneficial effect of its enforcement is also apparent from.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, the accompanying drawing used required in describing will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the enlarged drawing in A portion in Fig. 1；
Fig. 3 is the structural representation of water supply tank.
nullIn figure: 1-inner cabinet，1.1-is protruding，2-distribution chamber，3-outer cabinet，4-cooling sandwith layer，5-relief valve，5.1-connects valve body，5.1.1-pressure release passage I，5.2-spool，5.3-spring，5.4-block，5.4.1-pressure release passage II，5.5-sealing ring，6-relief tube，7-water leg，8-water inlet I，9-outlet I，10-water supply tank，10.1-collect cavity，10.1.1-water inlet II，10.2-water chamber，10.2.2-outlet II，10.3-drainage screen II，10.4-sewage draining exit II，11-goes out water pump，12-outlet valve，13-small pump，14-control chamber，15-temperature sensor，16-liquid level sensor，17-insulating barrier，18-drainage screen I.
Detailed description of the invention
For making the goal of the invention of the present invention, feature, the advantage can be more obvious and understandable; specific embodiment and accompanying drawing will be used below; the technical scheme of present invention protection is clearly and completely described; obviously; the embodiments described below are only a part of embodiment of the present invention, and not all embodiment.Based on the embodiment in this patent, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this patent protection.
nullA kind of low-voltage distribution cabinet，Including outer cabinet 3、With the fixing inner cabinet 1 being connected of outer cabinet 3 and the cooling sandwith layer 4 being arranged between outer cabinet 3 and inner cabinet 1，The cross section of described cooling sandwith layer 4 is U-shaped，Circulation cooling water in described cooling sandwith layer 4，The upper end of described inner cabinet 1 is connected to relief valve 5，Described relief valve 5 includes the connection valve body 5.1 threadeded with the projection 1.1 on inner cabinet 1，Described connection valve body 5.1 is provided with pressure release passage I 5.1.1，Described pressure release passage I 5.1.1 connects with distribution chamber 2，For mounting arrangements electrical equipment in described distribution chamber 2，It is provided with in described connection valve body 5.1 and the pressure release passage I 5.1.1 spool 5.2 mated，Described spool 5.2 be provided above spring 5.3，Described spring 5.3 makes spool 5.2 coordinate with pressure release passage I 5.1.1 by the block 5.4 threaded with being connected valve body 5.1，Described block 5.4 is provided with pressure release passage II 5.4.1 connected with pressure release passage I 5.1.1，Described inner cabinet 1 be arranged above water leg 7，The periphery of the projection 1.1 that described water leg 7 is arranged on inner cabinet 1，The liquid level of described water leg 7 is consistently less than the protruding height on inner cabinet 1，Drainage screen I 18 and liquid level sensor 16 it is provided with in described water leg 7，Described water leg 7 is connected with cooling sandwith layer 4 by the water inlet I 8 on outer cabinet 3，Described cooling sandwith layer 4 is connected to temperature sensor 15，The lower end of described cooling sandwith layer 4 is provided with outlet I 9 and sewage draining exit I (not shown)；nullAlso include water supply tank 10，Described water supply tank 10 includes be connected collect cavity 10.1 and water chamber 10.2，Described collect cavity 10.1 is connected to water inlet II 10.1.1，Described water chamber 10.2 is connected to outlet II 10.2.2，It is provided with drainage screen II 10.3 between described collect cavity 10.1 and water chamber 10.2，Described outlet I 9 is connected with collect cavity 10.1 with going out water pump 11 by pipeline，Described water chamber 10.2 is connected with water leg 7 with small pump 13 by pipeline，The side of described outer cabinet 3 is provided with control chamber 14，It is provided with controller in described control chamber 14，Described water supply tank 10 is arranged on the top of control chamber 14，Described temperature sensor 15、Liquid level sensor 16、Small pump 13、Go out water pump 11 to be all electrically connected with the controller，When the temperature of cooling sandwith layer 4 inner cooling water is higher than highest setting value，Described go out water pump 11 and small pump 13 start，Make cooling water at cooling sandwith layer 4、Water leg 7 and water supply tank 10 internal circulation flow，When the temperature of cooling sandwith layer 4 inner cooling water reaches minimum setting value，Described go out water pump 11 and small pump 13 out of service；When the liquid level in water leg 7 is less than minimum setting value, described small pump 13 starts, and the cooling water in water supply tank 10 is filled into water leg 7, until when the liquid level in water leg 7 reaches highest setting value, small pump 13 is out of service.
In this programme, the top of the projection 1.1 on described inner cabinet 1 is provided with external screw thread, and projection 1.1 on described inner cabinet 1 is threaded to be had and the pressure release passage II 5.4.1 relief tube 6 connected, and Open Side Down for described relief tube 6.
In this programme, the thickness of described cooling sandwith layer 4 is more than 6cm.
In this programme, the liquid level in described water leg 7 is more than 6cm.
In this programme, the outer surface of described low-voltage distribution cabinet is provided with insulating barrier 17.
Under normal operating conditions, spring 5.3 makes spool 5.2 block pressure release passage I 5.1.1 by the block 5.4 threaded with being connected valve body 5.1, when be short-circuited in distribution chamber 2 arcing fault time, the high temperature that moment produces in distribution chamber 2, high pressure overcomes spring 5.3 active force to be opened by spool 5.2, make the high temperature in distribution chamber 2, high pressure is discharged into outside distribution chamber 2, this low-voltage distribution cabinet is applied in the place that rainwater is more, described water leg 7 and water supply tank 10 can be collected rainwater and be dispelled the heat in distribution chamber 2, described inner cabinet 1 degree of protection is higher, rainwater can be avoided to enter in distribution chamber 2, drainage screen I 18 is set and the rainwater collected can be filtered by drainage screen II 10.3.
Additionally, when rainwater deficiency, it is possible to manually in water supply tank 10, fill into cooling water, it is achieved cooling sandwith layer 4 is to the cooling in distribution chamber 2, heat radiation.
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, identical similar portion reference mutually between each embodiment.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty, creationary feature.
Claims (5)
- null1. a low-voltage distribution cabinet，It is characterized in that: include outer cabinet、The inner cabinet being connected and the cooling sandwith layer being arranged between outer cabinet and inner cabinet is fixed with outer cabinet，The cross section of described cooling sandwith layer is U-shaped，Circulation cooling water in described cooling sandwith layer，The upper end of described inner cabinet is connected to relief valve，Described relief valve includes the connection valve body being connected with the raised thread on inner cabinet，Described connection valve body is provided with pressure release passage I，Described pressure release passage I connects with distribution chamber，Described distribution intracavity is used for mounting arrangements electrical equipment，The spool mated with pressure release passage I it is provided with in described connection valve body，Described spool be provided above spring，Described spring is by making spool coordinate with pressure release passage I with the block being connected valve body screw thread connection，Described block is provided with the pressure release passage II connected with pressure release passage I，Described inner cabinet be arranged above water leg，Described water leg is arranged on the protruding periphery on inner cabinet，The liquid level of described water leg is consistently less than the protruding height on inner cabinet，Drainage screen I and liquid level sensor it is provided with in described water leg，Described water leg is connected with cooling sandwith layer by the water inlet I on outer cabinet，Described cooling sandwith layer is connected to temperature sensor，The lower end of described cooling sandwith layer is provided with outlet I and sewage draining exit I；Also include water supply tank, described water supply tank includes be connected collect cavity and water chamber, described collect cavity is connected to water inlet II, described water chamber is connected to outlet II, drainage screen II it is provided with between described collect cavity and water chamber, described outlet I is connected with collect cavity with going out water pump by pipeline, described water chamber is connected with water leg with small pump by pipeline, the side of described outer cabinet is provided with control chamber, it is provided with controller in described control chamber, described water supply tank is arranged on the top of control chamber, described temperature sensor, liquid level sensor, small pump, go out water pump to be all electrically connected with the controller.
- 2. low-voltage distribution cabinet according to claim 1, it is characterised in that: the protruding top on described inner cabinet is provided with external screw thread, and the raised thread on described inner cabinet is connected to the relief tube connected with pressure release passage II, and Open Side Down for described relief tube.
- 3. low-voltage distribution cabinet according to claim 2, it is characterised in that: the thickness of described cooling sandwith layer is more than 6cm.
- 4. low-voltage distribution cabinet according to claim 3, it is characterised in that: the liquid level in described water leg is more than 6cm.
- 5. the low-voltage distribution cabinet according to claim 1 or 2 or 3 or 4, it is characterised in that: the outer surface of described low-voltage distribution cabinet is provided with insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117253.6A CN105742997B (en) | 2016-03-02 | 2016-03-02 | A kind of low-voltage distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117253.6A CN105742997B (en) | 2016-03-02 | 2016-03-02 | A kind of low-voltage distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105742997A true CN105742997A (en) | 2016-07-06 |
| CN105742997B CN105742997B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610117253.6A Active CN105742997B (en) | 2016-03-02 | 2016-03-02 | A kind of low-voltage distribution cabinet |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253272A (en) * | 2016-08-24 | 2016-12-21 | 国网山东省电力公司滨州供电公司 | A kind of power dispatch data network fault quick examination device |
| CN106253475A (en) * | 2016-08-24 | 2016-12-21 | 国网山东省电力公司滨州供电公司 | A kind of comprehensive analysis of fault system based on EMS system |
| CN107069490A (en) * | 2017-05-04 | 2017-08-18 | 江苏能电器成套设备有限公司 | A kind of power distribution cabinet of perfect heat-dissipating |
| CN109038270A (en) * | 2018-08-20 | 2018-12-18 | 国网河北省电力有限公司沧州供电分公司 | A kind of releasing pressure automatically power distribution cabinet |
| CN109861089A (en) * | 2018-12-28 | 2019-06-07 | 杭州简弈科技有限公司 | A kind of coal mine power supply system high voltage power distributing cabinet |
| CN112103806A (en) * | 2020-08-28 | 2020-12-18 | 国网江苏省电力有限公司泰州供电分公司 | Block terminal is from pressure release protection architecture |
| CN112188801A (en) * | 2020-09-25 | 2021-01-05 | 杭州一鸣惊人网络科技有限公司 | 5G basic station heat dissipation shell |
| CN117438925A (en) * | 2023-10-23 | 2024-01-23 | 宁波开诚生态技术股份有限公司 | Intelligent heat dissipation control cabinet with high protection level |
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| JPH02148891A (en) * | 1988-11-30 | 1990-06-07 | Nec Corp | Structure for cooling power source module of electronic equipment |
| CN203940062U (en) * | 2014-06-23 | 2014-11-12 | 于贵彬 | Explosion-proof electrification pressure relief system |
| CN204668754U (en) * | 2015-06-23 | 2015-09-23 | 渤海大学 | A kind of outdoor electric box |
| CN105071253A (en) * | 2015-08-07 | 2015-11-18 | 国网山东博兴县供电公司 | Low-voltage power distribution cabinet for power system |
| CN105356338A (en) * | 2015-12-14 | 2016-02-24 | 国家电网公司 | Multifunctional electric power equipment protection box |
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2016
- 2016-03-02 CN CN201610117253.6A patent/CN105742997B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02148891A (en) * | 1988-11-30 | 1990-06-07 | Nec Corp | Structure for cooling power source module of electronic equipment |
| CN203940062U (en) * | 2014-06-23 | 2014-11-12 | 于贵彬 | Explosion-proof electrification pressure relief system |
| CN204668754U (en) * | 2015-06-23 | 2015-09-23 | 渤海大学 | A kind of outdoor electric box |
| CN105071253A (en) * | 2015-08-07 | 2015-11-18 | 国网山东博兴县供电公司 | Low-voltage power distribution cabinet for power system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253272A (en) * | 2016-08-24 | 2016-12-21 | 国网山东省电力公司滨州供电公司 | A kind of power dispatch data network fault quick examination device |
| CN106253475A (en) * | 2016-08-24 | 2016-12-21 | 国网山东省电力公司滨州供电公司 | A kind of comprehensive analysis of fault system based on EMS system |
| CN107069490A (en) * | 2017-05-04 | 2017-08-18 | 江苏能电器成套设备有限公司 | A kind of power distribution cabinet of perfect heat-dissipating |
| CN109038270A (en) * | 2018-08-20 | 2018-12-18 | 国网河北省电力有限公司沧州供电分公司 | A kind of releasing pressure automatically power distribution cabinet |
| CN109861089A (en) * | 2018-12-28 | 2019-06-07 | 杭州简弈科技有限公司 | A kind of coal mine power supply system high voltage power distributing cabinet |
| CN112103806A (en) * | 2020-08-28 | 2020-12-18 | 国网江苏省电力有限公司泰州供电分公司 | Block terminal is from pressure release protection architecture |
| CN112103806B (en) * | 2020-08-28 | 2022-04-15 | 国网江苏省电力有限公司泰州供电分公司 | Block terminal is from pressure release protection architecture |
| CN112188801A (en) * | 2020-09-25 | 2021-01-05 | 杭州一鸣惊人网络科技有限公司 | 5G basic station heat dissipation shell |
| CN117438925A (en) * | 2023-10-23 | 2024-01-23 | 宁波开诚生态技术股份有限公司 | Intelligent heat dissipation control cabinet with high protection level |
| CN117438925B (en) * | 2023-10-23 | 2024-04-05 | 宁波开诚生态技术股份有限公司 | Intelligent heat dissipation control cabinet with high protection level |
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| Publication number | Publication date |
|---|---|
| CN105742997B (en) | 2017-08-29 |
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