High voltage power distributing cabinet
Technical field
The present invention relates to a kind of high voltage power distributing cabinet, belong to electrical equipment technical field.
Background technology
High voltage power distributing cabinet refers to for electric power system generating, transmission of electricity, distribution, electric energy conversion and plays the effects such as break-make, control or protection in consuming; electric pressure is in the electric equipment products of 3.6kV ~ 550kV; mainly comprise primary cut-out, high voltage isolator and earthed switch, high voltage load switch, high pressure automatic reclosing and sectionalizer, several large classes such as high-voltage actuating mechanism, high-voltage explosion-proof power distribution equipment and high-tension switch cabinet.High-voltage switch gear manufacturing industry is the manufacturing important component part of power transmission and transforming equipment, in whole power industry, occupy very important status.High voltage power distributing cabinet is often unavoidably subject to the invasion and attack of water, if water instills from the plan vertical of power distribution cabinet or tilts to enter power distribution cabinet inside, the element of power distribution cabinet will be soaked in water, thus cause electric equipment short circuit normally to run.Instilling or instillation of tilting from the plan vertical of power distribution cabinet to solve rainwater, in prior art, the whole body of power distribution cabinet being designed to hermetically-sealed construction, although to some extent solve the waterproof problem of power distribution cabinet, but ignoring the heat dissipation problem of power distribution cabinet.Also have a very scabrous problem to be: work as rainstorm weather, the ponding on ground is a lot, enter into the inside of power distribution cabinet easily via the ventilating heat dissipating hole of power distribution cabinet or cabinet door gap, cause the short circuit of power distribution cabinet inside.
So high voltage power distributing cabinet seems to be difficult to solve for heat radiation and waterproof two problems simultaneously, solve heat radiation and be just difficult to accomplish good waterproof, and solve waterproof problem and seem just to be difficult to solution heat dissipation problem.
Existing high voltage power distributing cabinet, the height of each chamber is equally high, some components and parts height are very high, and some components and parts height are very low, in order to the height can putting next higher that chamber of components and parts just must be greater than the height of those higher components and parts, the space availability ratio of this chamber is very low like this.
Summary of the invention
The technical problem to be solved in the present invention is: first, existing high voltage power distributing cabinet, the height of each chamber is equally high, some components and parts height are very high, and some components and parts height are very low, in order to the height can putting next higher that chamber of components and parts just must be greater than the height of those higher components and parts, the space availability ratio of this chamber is very low like this.The second, current high voltage power distributing cabinet internal temperature height holds fire hazardous, and power distribution cabinet is whole network system fire place occurred frequently, and power distribution cabinet internal temperature height more easily causes component aging, reduces useful life.3rd, it is very dark that rainstorm weather carrys out interim excess surface water, and excess surface water easily enters into power distribution cabinet inside by the cabinet crack between a door and its frame gap of power distribution cabinet or ventilating heat dissipating hole.
In order to realize solving above technical problem, the technical solution adopted in the present invention is: high voltage power distributing cabinet, comprises cabinet, and cabinet front portion arranges cabinet door; Cabinet inside arranges the first lateral partitions and the second lateral partitions, forms chamber between the first lateral partitions and the second lateral partitions, forms chamber between the first lateral partitions and the upper surface of cabinet, forms chamber between the second lateral partitions and the lower surface of cabinet; First lateral partitions and the second lateral partitions are all hollow structures, and the upper and lower surface of the first lateral partitions and the second lateral partitions all arranges multiple gas outlet, and the side of the first lateral partitions and the second lateral partitions all arranges an air inlet;
The centre position of the first lateral partitions upper surface raises up, and the first lateral partitions lower surface corresponds to upper surface bossing and upwards caves in;
The centre position of the second lateral partitions upper surface is to lower recess, and the second lateral partitions lower surface corresponds to upper surface sunk part to lower convexity;
Also comprise temperature sensor, controller, blower fan, flexible ajutage;
Temperature sensor is arranged at cabinet inside, and the temperature signal of temperature sensor collection is input to controller, and controller controls the start and stop of blower fan;
Flexible ajutage comprises an input port and two delivery outlets, and the air outlet of blower fan connects the input port of flexible ajutage, and the delivery outlet of flexible ajutage connects the air inlet of two lateral partitions respectively;
Also comprise circle to keep off the rain ceiling, barrel-shaped water-tight device;
Cabinet is arranged at the centre of barrel-shaped water-tight device, and the circle ceiling that keeps off the rain is arranged at the top of cabinet;
The circle ceiling that keeps off the rain covers the projection of barrel-shaped water-tight device perpendicular to ground perpendicular to the projection on ground;
Distance between the cabinet door of described cabinet and the side of barrel-shaped water-tight device is all greater than the width of cabinet door;
Bottom surface and the side of described barrel-shaped water-tight device all have water resistance;
The bottom surface of described barrel-shaped water-tight device is parallel to ground.
Further, the cabinet door of described cabinet is provided with louvre, in order to better get rid of the high temperature air of cabinet inside.
Further, described louvre is provided with the outward extending cover edge that keeps off the rain.
Further, left surface and the right flank of described cabinet are provided with louvre.
Further, described controller adopts MSP430 single-chip microcomputer.
Further, the quantity of the delivery outlet of described flexible ajutage equals the quantity of lateral partitions.
Further, described flexible ajutage adopts thin-film material to make.
Compared with prior art, the invention has the advantages that: present invention employs special design structure, effectively solve the problem of power distribution cabinet internal heat dissipating, radiating effect is very good.The power distribution cabinet with good water resistance provided by the invention, when rainstorm weather arrives, when excess surface water is a lot, also can not enter into power distribution cabinet inside by the cabinet crack between a door and its frame gap of power distribution cabinet or ventilating heat dissipating hole; Traditional power distribution cabinet considers necessity of waterproof, the louvre of power distribution cabinet is not a lot, due to the structure that the present invention is special, excess surface water can not enter into the inside of power distribution cabinet, therefore the present invention can arrange more louvre, more be conducive to the heat radiation of power distribution cabinet internal circuit, extend the useful life of power distribution cabinet electric equipment.The circle ceiling that keeps off the rain covers the projection of barrel-shaped water-tight device perpendicular to ground perpendicular to the projection on ground, thus ensures that rainwater that sky falls can not drop into the inside of barrel-shaped water-tight device; Distance between the cabinet door of cabinet and the side of barrel-shaped water-tight device is all greater than the width of cabinet door, thus ensures that cabinet door can normally be opened.The space availability ratio of high voltage power distributing cabinet of the present invention is very high, the height of each chamber is different, and the height in same chamber is also different, both can the higher components and parts of placing height in same chamber, also can the lower components and parts of placing height, cabinet inner space utilance is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of power distribution cabinet of the present invention.
Fig. 2 is the structural representation of power distribution cabinet part of the present invention.
Fig. 3 is lateral partitions schematic diagram of the present invention.
Fig. 4 is schematic top plan view of the present invention.
Wherein, 1 is cabinet, and 21 is first lateral partitions, and 22 is second lateral partitions, and 3 is air inlets, and 4 is gas outlets, and 5 is cabinets, and 6 is barrel-shaped water-tight devices, and 7 is that circle is kept off the rain ceiling.
Embodiment
Below in conjunction with accompanying drawing, invention is described in further detail.
As shown in Figure 1,2,3, 4, high voltage power distributing cabinet, comprises cabinet, and cabinet front portion arranges cabinet door; Cabinet inside arranges the first lateral partitions and the second lateral partitions, forms chamber between the first lateral partitions and the second lateral partitions, forms chamber between the first lateral partitions and the upper surface of cabinet, forms chamber between the second lateral partitions and the lower surface of cabinet; First lateral partitions and the second lateral partitions are all hollow structures, and the upper and lower surface of the first lateral partitions and the second lateral partitions all arranges multiple gas outlet, and the side of the first lateral partitions and the second lateral partitions all arranges an air inlet;
The centre position of the first lateral partitions upper surface raises up, and the first lateral partitions lower surface corresponds to upper surface bossing and upwards caves in; The centre position of the second lateral partitions upper surface is to lower recess, and the second lateral partitions lower surface corresponds to upper surface sunk part to lower convexity; Also comprise temperature sensor, controller, blower fan, flexible ajutage; Temperature sensor is arranged at cabinet inside, and the temperature signal of temperature sensor collection is input to controller, and controller controls the start and stop of blower fan; Flexible ajutage comprises an input port and 2 delivery outlets, and the air outlet of blower fan connects the input port of flexible ajutage, and the delivery outlet of flexible ajutage connects the air inlet of 2 lateral partitions respectively; Also comprise circle to keep off the rain ceiling, barrel-shaped water-tight device; Cabinet is arranged at the centre of barrel-shaped water-tight device, and the circle ceiling that keeps off the rain is arranged at the top of cabinet; The circle ceiling that keeps off the rain covers the projection of barrel-shaped water-tight device perpendicular to ground perpendicular to the projection on ground; Distance between the cabinet door of described cabinet and the side of barrel-shaped water-tight device is all greater than the width of cabinet door; Bottom surface and the side of described barrel-shaped water-tight device all have water resistance; The bottom surface of described barrel-shaped water-tight device is parallel to ground.Further, the cabinet door of described cabinet is provided with louvre, in order to better get rid of the high temperature air of cabinet inside with the left surface of cabinet and right flank.And louvre is provided with the outward extending cover edge that keeps off the rain.Controller adopts MSP430 single-chip microcomputer.Flexible ajutage adopts thin-film material to make.
Space availability ratio part of the present invention illustrates: the structure of lateral partitions of the present invention, make the height in each chamber in cabinet 3 chambers from top to bottom different, can the higher components and parts of placing height in each chamber, also can the lower components and parts of placing height, space availability ratio is very high, unlike each chamber of traditional cabinet do very high, if conventional electrical distribution cabinet comprises 3 chambers, the height of so whole power distribution cabinet is very high, although power distribution cabinet of the present invention contains 3 chambers, the height of power distribution cabinet is much smaller than the height of conventional electrical distribution cabinet.
Radiator portion principle of the present invention illustrates: because lateral partitions is hollow structure, when temperature sensor detects cabinet internal temperature higher than the Temperature numerical pre-set, controller controls fan starting, at this time the air of cabinet outside is sent to the inside of lateral partitions by blower fan by flexible ajutage, because lateral partitions upper and lower surface is provided with multiple gas outlet, at this moment the air of lateral partitions inside can enter cabinet inside by gas outlet, thus reaches the effect of cooling.
Water-proof part principle of the present invention illustrates: the ponding on ground and cabinet completely cut off by barrel-shaped water-tight device to be opened, even if so rainstorm weather excess surface water also can not enter into cabinet inside; The circular ceiling that keeps off the rain effectively prevents the aerial rainwater in sky from entering cabinet simultaneously, because the circle ceiling that keeps off the rain covers the projection of barrel-shaped water-tight device perpendicular to ground perpendicular to the projection on ground, it aerial rainwater also can not enter into the inside of barrel-shaped water-tight device, therefore cabinet is positioned in the middle of barrel-shaped water-tight device very safe, does not have any rainwater and enters.It is emphasized that the distance between the cabinet door of cabinet and the side of barrel-shaped water-tight device is all greater than the width of cabinet door, only in this way the cabinet door of guarantee power distribution cabinet can normally be opened smoothly.Also have the circular ceiling that keeps off the rain to cover the projection of barrel-shaped water-tight device perpendicular to ground perpendicular to the projection on ground, the rainwater that only in this way guarantee sky falls can not enter the inside of barrel-shaped water-tight device.