CN210156755U - Drawout type low-voltage switch cabinet with good heat dissipation performance - Google Patents
Drawout type low-voltage switch cabinet with good heat dissipation performance Download PDFInfo
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- CN210156755U CN210156755U CN201921352964.7U CN201921352964U CN210156755U CN 210156755 U CN210156755 U CN 210156755U CN 201921352964 U CN201921352964 U CN 201921352964U CN 210156755 U CN210156755 U CN 210156755U
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Abstract
The utility model provides a pull-out type low-voltage switchgear that heat dispersion is good, including the low-voltage switchgear cabinet body and set up a plurality of cubical switchboard drawers at the internal portion of low-voltage switchgear cabinet, the rear of a plurality of cubical switchboard drawers is provided with a plurality of heat dissipation air inlets that are located on the lateral wall behind the low-voltage switchgear cabinet body, the rear of every heat dissipation air inlet all is provided with the shielding plate, the shielding plate is the same with the quantity of heat dissipation air inlet and corresponds the setting with the heat dissipation air inlet, a plurality of shielding plates all with set up spacing track sliding connection on the lateral wall behind the low-voltage switchgear cabinet body and reciprocate under the restriction of spacing track, a plurality of shielding plates interconnect and be provided with stop device in the upper end of the shielding plate of top, the rear end of the shielding plate of top among a plurality of shielding plates is connected with admission line, admission line's inlet end and the air-blower that sets up in low-voltage switchgear cabinet body lower extreme, Energy saving, good heat dissipation effect and suitability for various heat dissipation conditions.
Description
Technical Field
The utility model relates to a cubical switchboard equipment technical field especially relates to a pull-out type low-voltage switchgear that heat dispersion is good.
Background
At present, the low-voltage switch cabinet is applicable to industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, is used for power transmission, power distribution and electric energy conversion, and structurally comprises a fixed low-voltage switch cabinet and a draw-out low-voltage switch cabinet, wherein the draw-out low-voltage switch cabinet consists of a fixed cabinet body and a movable device part provided with main electrical components such as switches and the like, the draw-out device is more portable when being moved and replaced, and is reliably moved and positioned, and the draw-out devices of the same type and specification can be reliably exchanged, so that the draw-out low-voltage switch cabinet is widely applied to various low-voltage power distribution systems such as power plants, transformer substations, industrial and mining enterprises, hotels of buildings, municipal construction and the like, and has.
But compare in fixed low-voltage switchgear, pull-out type low-voltage switchgear structure is compacter, and is very easy to lead to the inside heat of pull-out type low-voltage switchgear to pile up because of electrical components's generating heat at the in-service use in-process, if these heats can not in time spill out, long-time accumulation can make the temperature in the pull-out type low-voltage switchgear very high, influences electrical components's life, accelerates electrical components's ageing, increases user's cost. The traditional heat dissipation facilities of the draw-out type low-voltage switch cabinet are generally heat dissipation holes, the heat dissipation is passive heat dissipation, the heat dissipation efficiency is low, although the effect can be generated when the internal temperature of the draw-out type low-voltage switch cabinet is low, the heat in the low-voltage switch cabinet cannot be timely discharged when the internal temperature of the low-voltage switch cabinet is high, the draw-out type low-voltage switch cabinet partially adopting the exhaust fan can cause that air enters the low-voltage switch cabinet from the middle part of the draw-out type low-voltage switch cabinet in the operation process of the exhaust fan, convection can be formed between the heat dissipation holes and the outlet position of the exhaust fan, the heat dissipation can not be carried out on all positions in the whole draw-out type low-voltage switch cabinet, the existing draw-out type low-voltage switch cabinet is provided with the heat dissipation holes of the low-voltage switch cabinet, the air inlet holes are arranged at, be provided with the venthole bottom pull-out type low-voltage switchgear to guarantee that the route of air from the inlet port to the venthole passes through whole pull-out type low-voltage switchgear, though solved the internal heat accumulational problem when low-voltage switchgear internal temperature is higher, but owing to there is not the louvre, if the air-blower stops, pull-out type low-voltage switchgear's cooling system will close completely, so the air-blower need the operation always even when the internal heat temperature of pull-out type low-voltage switchgear is not too high, can cause the waste of the equipment energy.
Disclosure of Invention
The utility model aims to provide a: the problem that the heat dissipation condition that exists is not good and the radiating equipment energy consumption is higher to above-mentioned pull-out type low-voltage switchgear, the utility model provides a pull-out type low-voltage switchgear that heat dispersion is good.
The utility model adopts the technical scheme as follows: a draw-out type low-voltage switch cabinet with good heat dissipation performance comprises a low-voltage switch cabinet body and a plurality of switch cabinet drawers arranged inside the low-voltage switch cabinet body, wherein a plurality of heat dissipation air inlets are arranged behind the switch cabinet drawers, the number of the heat dissipation air inlets is the same as that of the switch cabinet drawers, the heat dissipation air inlets are arranged corresponding to the switch cabinet drawers, a shielding plate is arranged behind each heat dissipation air inlet, the number of the shielding plate is the same as that of the heat dissipation air inlets, the shielding plate corresponds to that of the heat dissipation air inlets, the shielding plates are in sliding connection with limiting rails arranged on the rear side wall of the low-voltage switch cabinet body and move up and down under the limitation of the limiting rails, the area of each shielding plate is larger than that of each heat dissipation air inlet, the upper and lower heights of the shielding plates are smaller than the distance between adjacent heat dissipation air inlets, the shielding plates are connected with each other, and a, thereby restrict the shielding plate in the position that covers the heat dissipation air inlet or with the shielding plate restriction in the position that spills the heat dissipation air inlet respectively, the rear end of the shielding plate of the top is connected with the admission line among a plurality of shielding plates, the inlet end of admission line is connected with the air-blower that sets up in low-voltage switch cabinet body lower extreme rear, the bottom of the low-voltage switch cabinet body is provided with the heat dissipation chamber, the heat dissipation chamber passes through the heating panel and is connected with the low-voltage switch cabinet body, be provided with front end open-ended heat dissipation gas outlet on the heat dissipation chamber, the inside in heat dissipation chamber is provided with radiator fan.
Furthermore, the limiting device comprises a connecting buckle, a limiting pin, a first fixing buckle and a second fixing buckle, the shielding plate positioned at the top in the shielding plates is the first shielding plate, the connecting buckle is arranged on the upper end face of the first shielding plate, the limiting pin is positioned inside the fixing buckle, the second fixing buckle is arranged above the first fixing buckle, and the first fixing buckle and the second fixing buckle are both arranged on the rear side wall of the cabinet body of the low-voltage switch cabinet; when the shielding plate moves to the position completely covering the heat dissipation air inlet, the limiting pin penetrates through the connecting buckle and the first fixing buckle to fix the shielding plate to the position covering the heat dissipation air inlet, and when the shielding plate moves to the position completely leaking the heat dissipation air inlet, the limiting pin penetrates through the connecting buckle and the second fixing buckle to fix the shielding plate to the position leaking the heat dissipation air inlet.
Furthermore, the shielding plate is connected with a lifting handle, so that the lifting handle can be conveniently and manually pushed to drive the shielding plate to move up and down.
Furthermore, the shielding plate that is located the top among a plurality of shielding plates is first shielding plate, and the up end of first shielding plate is connected with vertical decurrent telescopic cylinder, the preceding lateral wall of telescopic cylinder stiff end and the back lateral wall fixed connection of low-voltage switchgear cabinet body, telescopic cylinder's removal end and the up end fixed connection of first shielding plate, telescopic cylinder's maximum stroke and minimum stroke correspond the shielding plate respectively and remove to the position that covers the heat dissipation air inlet completely and the position that the shielding plate removed to spill the heat dissipation air inlet completely.
Furthermore, the upper end of the air inlet pipeline is a hard bent pipe, the lower end of the air inlet pipeline is a hard straight pipe, and the middle of the air inlet pipeline is a flexible hose.
Further, the hard bent pipe is sleeved with a bent pipe limiting support ring, the bent pipe limiting support ring is connected with the hard bent pipe in a sliding mode and is connected with the rear side wall of the low-voltage switch cabinet body through an upper support rod, the hard straight pipe is sleeved with a straight pipe limiting support ring, and the straight pipe limiting support ring is fixedly connected with the hard straight pipe and is connected with the rear side wall of the switch cabinet body through a lower support rod.
Furthermore, the shielding plate is a rectangular plate, the left end and the right end of the shielding plate are respectively connected with a guide rod horizontally extending along the left-right direction, and the guide rod penetrates into the limiting track.
Furthermore, the limiting track is an L-shaped track extending along the vertical direction, and the end parts of the guide rods are respectively connected with two inner side walls of the limiting track and the rear side wall of the cabinet body of the low-voltage switch cabinet in a sliding manner.
Furthermore, the heat dissipation air inlet comprises a plurality of uniformly arranged heat dissipation air inlets, and the plurality of heat dissipation air inlets are arranged in a rectangular shape and are arranged in the coverage range of the corresponding shielding plate.
Further, two adjacent shielding plates are connected through two vertically arranged connecting rods, the two connecting rods are respectively arranged at the leftmost end and the rightmost end of each shielding plate, and a heat dissipation air inlet between the two adjacent shielding plates is arranged between the two connecting rods.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a heat dissipation air inlet and a plurality of align to grid's of constituteing the heat dissipation air inlet that dispels the heat, it is not the conventional heat dissipation that carries out under too many circumstances to store up at the inside heat of low-voltage switchgear, and the heat dissipation air inlet that lies in the top among a plurality of heat dissipation air inlets simultaneously plays the effect of admitting air under the inside heat of low-voltage switchgear stores up more circumstances, pours into the inside of low-voltage switchgear into through the heat dissipation air inlet with the gas that the air-blower provided.
2. The utility model discloses an air-blower, admission line, heat dissipation gas outlet and cooling fan guarantee that the inside heat of low-voltage switchgear stores up under the more condition, and the air-blower pours into the inside of low-voltage switchgear with cold air from the admission line, then carries the inside that the heat enters into the heat dissipation chamber in the inside of low-voltage switchgear to discharge from the heat dissipation gas outlet under cooling fan's effect, accomplish whole radiating process.
3. The utility model discloses a shielding plate, spacing track and stop device, can the shielding plate reciprocate under spacing orbital restriction, thereby make the heat dissipation gas outlet store up less condition at the inside heat of low-voltage switchgear and carry out the conventional heat dissipation, seal other heat dissipation gas outlets except the top heat dissipation gas outlet under the inside heat of low-voltage switchgear stores up great condition, prevent that the air in the admission line can not discharge from these heat dissipation gas outlets, thereby guarantee to get into the inside cold air of low-voltage switchgear and can pass through a plurality of cubical switchboard drawers of whole low-voltage switchgear inside, discharge through the heat dissipation chamber at last.
4. The limiting device of the utility model is divided into a manual limiting device and a cylinder driving device, wherein the manual limiting device adopts a lifting handle to drive the shielding plate to move up and down, the shielding plate is limited to different positions through a connecting buckle, a limiting pin, a first fixing buckle and a second fixing buckle, the cylinder driving limiting device adopts a driving cylinder to move up and down, and the shielding plate is limited to different positions through the maximum stroke and the minimum stroke of a telescopic cylinder; through the L type track that adopts along vertical direction extension with spacing track to with the tip of guide bar respectively with two inside walls of spacing track and the back lateral wall sliding connection of the low-voltage switch cabinet body, make the shielding plate when sheltering from the heat dissipation air inlet, can guarantee that the shielding plate is inseparable with the back lateral wall contact of the low-voltage switch cabinet body, play good gas seal effect.
5. The utility model discloses an inlet duct's upper end is the stereoplasm return bend, and inlet duct's lower extreme is the stereoplasm straight tube, and inlet duct's middle part is flexible hose, and the cover is equipped with the spacing support ring of return bend on the stereoplasm return bend, and the cover is equipped with the spacing support ring of straight tube on the stereoplasm straight tube, makes inlet duct also can guarantee intact effect of admitting air at the in-process that whole shielding plate reciprocated, can not make inlet duct reciprocate and take place to damage because of following the shielding plate.
Drawings
Fig. 1 is a schematic structural view of a low-voltage switchgear according to embodiment 1, in which high-temperature heat dissipation is performed;
fig. 2 is a schematic view of the connection between the shielding plate and the limiting device in the high temperature heat dissipation of the present invention in embodiment 1;
fig. 3 is a schematic view of the connection between the shielding plate and the limiting device in the conventional heat dissipation of the present invention in embodiment 1;
FIG. 4 is a schematic view showing the internal structure of the limiting device in high temperature heat dissipation of the present invention in embodiment 1
Fig. 5 is a schematic view of the connection between the shielding plate and the limiting device in the high temperature heat dissipation of the present invention in embodiment 2;
FIG. 6 is a schematic view showing the position relationship between the shielding plate and the heat dissipation air inlet during conventional heat dissipation;
fig. 7 is a schematic view of the connection between the air inlet duct and the cabinet body of the low-voltage switch cabinet of the present invention.
Labeled as: 1-a low-voltage switch cabinet body, 2-a switch cabinet drawer, 3-a heat dissipation cavity, 4-a heat dissipation plate, 5-a heat dissipation air outlet, 6-a heat dissipation fan, 7-a heat dissipation air inlet, 8-a heat dissipation air inlet, 9-a shielding plate, 10-a limiting track, 11-a guide rod, 12-a connecting rod, 13-a first shielding plate, 14-a limiting device, 15-a lifting handle, 16-a first left side buckle, 17-a first right side buckle, 18-a first left side pin, 19-a second left side buckle, 20-a third left side buckle, 21-a first right side pin, 22-a second right side buckle, 23-a third right side buckle, 24-an air inlet pipeline, 25-a hard bent pipe, 26-a hard straight pipe, 27-a flexible hose, 28-blower, 29-bent pipe limit support ring, 30-straight pipe limit support ring, 31-upper support rod, 32-lower support rod and 33-telescopic cylinder.
Detailed Description
All features disclosed in this specification may be combined in any combination, except features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 7.
Example 1:
the utility model provides a pull-out type low-voltage switchgear that heat dispersion is good, includes the low-voltage switchgear cabinet body 1 and sets up a plurality of cubical switchboard drawers 2 at the low-voltage switchgear cabinet body 1 inside, and the bottom of the low-voltage switchgear cabinet body 1 is provided with heat dissipation chamber 3, and heat dissipation chamber 3 is connected with the low-voltage switchgear cabinet body 1 through heating panel 4, is provided with front end open-ended heat dissipation gas outlet 5 on the heat dissipation chamber 3, and the inside in heat dissipation chamber 3 is provided with cooling fan 6. The rear of a plurality of cubical switchboard drawers 2 is provided with a plurality of heat dissipation air inlets 7 that are located on the lateral wall behind the low-voltage switchgear cabinet body 1, and heat dissipation air inlets 7 are the same with cubical switchboard drawer 2 figure and correspond the setting with cubical switchboard drawer 2, and a plurality of heat dissipation air inlets 7 are a straight line distribution in vertical direction. Each heat dissipation air inlet 7 comprises a plurality of uniformly arranged heat dissipation air inlets 8, the plurality of heat dissipation air inlets 8 are distributed in a rectangular arrangement mode, a shielding plate 9 is arranged behind each heat dissipation air inlet 7, all the shielding plates 9 are rectangular plates, the area of each shielding plate 9 is larger than that of each heat dissipation air inlet 7, the upper height and the lower height of each shielding plate 9 are smaller than the distance between adjacent heat dissipation air inlets 7, and therefore the shielding plates 9 can be limited at positions covering the heat dissipation air inlets 7 or the shielding plates 9 can be limited at positions leaking out of the heat dissipation air inlets 7; the shielding plates 9 are slidably connected with the rear side wall of the low-voltage switch cabinet body 1 through the limiting rails 10, the limiting rails 10 are L-shaped rails extending in the vertical direction, the left end and the right end of each shielding plate 9 are respectively connected with the guide rods 11 horizontally extending in the left-right direction, the guide rods 11 penetrate into the limiting rails 10, and the end parts of the guide rods 11 are respectively slidably connected with the two inner side walls of the limiting rails 10 and the rear side wall of the low-voltage switch cabinet body 1, so that when the shielding plates 9 shield the heat dissipation air inlet 7, the shielding plates 9 can be guaranteed to be tightly contacted with the rear side wall of the low-voltage switch cabinet body 1, and a good gas sealing effect is achieved; the shielding plates 9 are the same as the heat dissipation air inlets 7 in number and are arranged corresponding to the heat dissipation air inlets 7, the adjacent shielding plates 9 are connected through two connecting rods 12 which are vertically arranged, the two connecting rods 12 are respectively arranged at the leftmost end and the rightmost end of the shielding plates 9, the heat dissipation air inlets 7 between the two adjacent shielding plates 9 are arranged between the two connecting rods 12, and the connecting rods 12 are prevented from influencing the heat dissipation of the heat dissipation air inlets 7 and the air intake of the heat dissipation air inlets 7.
The shielding plate 9 positioned at the top among the plurality of shielding plates 9 is a first shielding plate 13, the upper end of the first shielding plate 13 is provided with a limiting device 14, the first shielding plate 13 limits the shielding plate 9 at a position covering the heat dissipation air inlet 7 or limits the shielding plate 9 at a position leaking out of the heat dissipation air inlet 7 through the limiting device 14, and the shielding plate 9 is connected with a lifting handle 15, so that the lifting handle 15 is conveniently pushed manually to drive the shielding plate 9 to move up and down; the limiting device 14 comprises a first left side buckle 16 and a first right side buckle 17 connected with the upper end face of the first shielding plate 13, the first left side buckle 16 is positioned at the left end of the first shielding plate 13, the first right side buckle 17 is positioned at the right end of the first shielding plate 13, a first left side pin 18 is arranged inside the first left side buckle 16, a second left side buckle 19 and a third left side buckle 20 which are fixedly connected with the rear side wall of the low-voltage switch cabinet body 1 are arranged at the left side of the first left side buckle 16, the second left side buckle 19 and the third left side buckle 20 are in a straight line in the vertical direction, a first right side pin 21 is arranged inside the first right side buckle 17, a second right side buckle 22 which is fixedly connected with the rear side wall of the low-voltage switch cabinet body 1 is arranged at the right side of the first right side buckle 17, the third right-side buckle 23, the second right-side buckle 22 and the third right-side buckle 23 are in a straight line in the vertical direction; when the shielding plate 9 is moved to the position completely covering the heat dissipation air inlet 7 through the lifting handle 15, the first left pin 18 penetrates through the first left buckle 16 and the second left buckle 19, the first right pin 21 penetrates through the first right buckle 17 and the second right buckle 22, and the shielding plate 9 is limited to the position completely covering the heat dissipation air inlet 7, so that heat dissipation is facilitated under the condition that a large amount of heat is accumulated in the low-voltage switch cabinet; when the shielding plate 9 is moved to the position where the heat dissipation air inlet 7 is completely leaked through the lifting handle 15, the first left pin 18 penetrates through the first left buckle 16 and the third left buckle 20, the first right pin 21 penetrates through the first right buckle 17 and the third right buckle 23, the shielding plate 9 is limited to the position where the heat dissipation air inlet 7 is completely leaked, and heat dissipation is performed conveniently under the condition that the heat in the low-voltage switch cabinet is small in accumulation.
The rear end of the first shielding plate 13 is connected with an air inlet pipeline 24, the upper end of the air inlet pipeline 24 is a hard bent pipe 25, the lower end of the air inlet pipeline 24 is a hard straight pipe 26, the middle part of the air inlet pipeline 24 is a flexible hose 27, the upper end of the air inlet pipeline 24 penetrates through the shielding plate 9 to be communicated with the interior of the low-voltage switch cabinet body 1, the lower end of the air inlet pipeline 24 is communicated with an air blower 28 arranged behind the lower end of the low-voltage switch cabinet body 1, cold air is filled into the low-voltage switch cabinet body 1 from the air inlet pipeline 24, the cold air carries heat in the low-voltage switch cabinet body 1 to enter the heat dissipation cavity 3 and is discharged from the heat dissipation cavity 3, and when the air inlet pipeline 24 moves to the lowest position along with the first shielding plate 13, the lower end of the hard bent pipe 25 is still located above the hard straight pipe 26, and the function of protecting the flexible hose; the cover is equipped with the spacing support ring 29 of return bend on the stereoplasm return bend 25, the spacing support ring 29 of return bend and stereoplasm return bend 25 sliding connection just are connected with the back lateral wall of the low-voltage switchgear cabinet body 1 through upper portion bracing piece 31, the cover is equipped with the spacing support ring 30 of straight tube on the stereoplasm straight tube 26, the spacing support ring 30 of straight tube and stereoplasm straight tube 26 fixed connection just are connected with the back lateral wall of the low-voltage switchgear cabinet body 1 through lower part bracing piece 32, upper portion bracing piece 31 and lower part bracing piece 32 all set up the both sides at shielding plate 9 and heat dissipation air inlet 7, can not influence the motion of shielding plate 9, can not make inlet duct 24 reciprocate and take.
Example 2:
the structure of embodiment 2 is similar to that of embodiment 1, and the difference is that the limiting device 14 is different, the limiting device 14 in embodiment 2 is a vertically downward telescopic cylinder 33, a front side wall of a fixed end of the telescopic cylinder 33 is fixedly connected with a rear side wall of the low-voltage switch cabinet body 1, a moving end of the telescopic cylinder 33 is fixedly connected with an upper end face of the first shielding plate 13, and a maximum stroke and a minimum stroke of the telescopic cylinder 33 respectively correspond to a position where the shielding plate 9 moves to completely cover the heat dissipation air inlet 7 and a position where the shielding plate 9 moves to completely leak out of the heat dissipation air inlet 7.
The utility model adjusts the position of the shielding plate 9 according to the different heat storage accumulation states in the low-voltage switch cabinet body 1 during the use, when the heat accumulation in the low-voltage switch cabinet body 1 is less and the heat dissipation pressure is lower, the shielding plate 9 is limited to the position of leaking the heat dissipation air inlet 7 through the limiting device 14, the conventional heat dissipation of the low-voltage switch cabinet body 1 is carried out, when the heat accumulation in the low-voltage switch cabinet body 1 is more and the heat dissipation pressure is higher, the shielding plate 9 is limited to the position covering the heat dissipation air inlet 7 through the limiting device 14, then the air blower 28 and the heat dissipation fan 6 are opened, the air blower 28 extracts cold air and enters the upper part of the low-voltage switch cabinet body 1 through the air inlet pipe 24, then the cold air enters the heat dissipation cavity 3 after heat alternation downwards through a plurality of switch cabinet drawers 2, and then the cold air is discharged out of the low-voltage switch cabinet body 1 through the heat dissipation air outlet 5 in front of the heat dissipation cavity 3, the blower 28 and the heat dissipation fan 6 provide power for the air flow in the whole process; in the specific use process of embodiment 2, a temperature sensor may be arranged inside the low-voltage switch cabinet body 1, and then the temperature sensor is connected with the control device, the signal of the temperature sensor is transmitted to the control device for processing, and the control switches of the blower 28, the telescopic cylinder 33 and the cooling fan 6 are connected with the control device, the height of the internal temperature of the low-voltage switch cabinet body 1 is checked according to the temperature sensor, the telescopic cylinder 33 is controlled to drive the shielding plate 9 to switch two cooling states, and meanwhile, under the condition that the internal heat of the low-voltage switch cabinet body 1 is accumulated more and the cooling pressure is higher, the blower 28 and the telescopic cylinder 33 are simultaneously controlled to automatically operate, so that the automation degree of the equipment is increased, and the use by a user is more convenient; in a word, the utility model has the advantages of convenient use, energy saving, good heat dissipation effect and being suitable for various heat dissipation conditions.
Claims (10)
1. The utility model provides a pull-out type low-voltage switchgear that heat dispersion is good which characterized in that: the low-voltage switch cabinet comprises a low-voltage switch cabinet body and a plurality of switch cabinet drawers arranged inside the low-voltage switch cabinet body, wherein a plurality of heat dissipation air inlets are arranged behind the switch cabinet drawers and are positioned on the rear side wall of the low-voltage switch cabinet body, the number of the heat dissipation air inlets is the same as that of the switch cabinet drawers and are arranged corresponding to the switch cabinet drawers, a shielding plate is arranged behind each heat dissipation air inlet, the number of the shielding plate is the same as that of the heat dissipation air inlets and is arranged corresponding to the heat dissipation air inlets, the shielding plates are in sliding connection with limiting rails arranged on the rear side wall of the low-voltage switch cabinet body and move up and down under the limitation of the limiting rails, the area of each shielding plate is larger than that of each heat dissipation air inlet, the upper and lower heights of the shielding plates are smaller than the distance between adjacent heat dissipation air inlets, the shielding plates are, thereby restrict the shielding plate in the position that covers the heat dissipation air inlet or with the shielding plate restriction in the position that spills the heat dissipation air inlet respectively, the rear end of the shielding plate of the top is connected with the admission line among a plurality of shielding plates, and the inlet end of admission line is connected with the air-blower that sets up in low-voltage switch cabinet body lower extreme rear, the bottom of the low-voltage switch cabinet body is provided with the heat dissipation chamber, and the heat dissipation chamber passes through heating panel and low-voltage switch cabinet body coupling, is provided with front end open-ended heat dissipation gas outlet on the heat dissipation chamber, and the inside in heat dissipation chamber is provided with radiator fan.
2. The draw-out low-voltage switchgear with good heat dissipation performance according to claim 1, wherein: the limiting device comprises a connecting buckle, a limiting pin, a first fixing buckle and a second fixing buckle, the shielding plate positioned at the top in the shielding plates is a first shielding plate, the connecting buckle is arranged on the upper end face of the first shielding plate, the limiting pin is positioned inside the fixing buckle, the second fixing buckle is arranged above the first fixing buckle, and the first fixing buckle and the second fixing buckle are both arranged on the rear side wall of the low-voltage switch cabinet body; when the shielding plate moves to the position completely covering the heat dissipation air inlet, the limiting pin penetrates through the connecting buckle and the first fixing buckle to fix the shielding plate to the position covering the heat dissipation air inlet, and when the shielding plate moves to the position completely leaking the heat dissipation air inlet, the limiting pin penetrates through the connecting buckle and the second fixing buckle to fix the shielding plate to the position leaking the heat dissipation air inlet.
3. The draw-out low-voltage switchgear with good heat dissipation performance according to claim 2, wherein: the baffle plate is connected with a lifting handle, so that the lifting handle can be conveniently and manually pushed to drive the baffle plate to move up and down.
4. The draw-out low-voltage switchgear with good heat dissipation performance according to claim 1, wherein: the shielding plate that is located the top among a plurality of shielding plates is first shielding plate, and the up end of first shielding plate is connected with vertical decurrent telescopic cylinder, the preceding lateral wall of telescopic cylinder stiff end and the back lateral wall fixed connection of the low-voltage switchgear cabinet body, telescopic cylinder's removal end and the up end fixed connection of first shielding plate, telescopic cylinder's maximum stroke and minimum stroke correspond the shielding plate respectively and remove to the position that covers the heat dissipation air inlet completely and the position that the shielding plate removed to spill the heat dissipation air inlet completely.
5. The draw-out low-voltage switchgear with good heat dissipation performance according to claim 1, wherein: the upper end of the air inlet pipeline is a hard bent pipe, the lower end of the air inlet pipeline is a hard straight pipe, and the middle of the air inlet pipeline is a flexible hose.
6. The draw-out low-voltage switchgear with good heat dissipation performance according to claim 5, wherein: the hard bent pipe is sleeved with a bent pipe limiting support ring, the bent pipe limiting support ring is connected with the hard bent pipe in a sliding mode and is connected with the rear side wall of the low-voltage switch cabinet body through an upper support rod, a straight pipe limiting support ring is sleeved on the hard straight pipe, and the straight pipe limiting support ring is fixedly connected with the hard straight pipe and is connected with the rear side wall of the switch cabinet body through a lower support rod.
7. The draw-out low-voltage switchgear with good heat dissipation performance according to claim 1, wherein: the shielding plate is a rectangular plate, the left end and the right end of the shielding plate are respectively connected with a guide rod horizontally extending along the left-right direction, and the guide rod penetrates into the limiting rail.
8. The draw-out low-voltage switchgear with good heat dissipation performance according to claim 7, wherein: the limiting rail is an L-shaped rail extending along the vertical direction, and the end parts of the guide rods are respectively connected with two inner side walls of the limiting rail and the rear side wall of the low-voltage switch cabinet body in a sliding mode.
9. The draw-out low-voltage switchgear with good heat dissipation performance according to claim 7, wherein: the heat dissipation air inlet comprises a plurality of uniformly arranged heat dissipation air inlets, and the plurality of heat dissipation air inlets are arranged in a rectangular shape and are located in the coverage range of the corresponding shielding plates.
10. The draw-out low-voltage switchgear with good heat dissipation performance according to claim 7, wherein: the adjacent shielding plates are connected through two vertically arranged connecting rods, the two connecting rods are respectively arranged at the leftmost end and the rightmost end of each shielding plate, and a heat dissipation air inlet between the two adjacent shielding plates is arranged between the two connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352964.7U CN210156755U (en) | 2019-08-20 | 2019-08-20 | Drawout type low-voltage switch cabinet with good heat dissipation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352964.7U CN210156755U (en) | 2019-08-20 | 2019-08-20 | Drawout type low-voltage switch cabinet with good heat dissipation performance |
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| Publication Number | Publication Date |
|---|---|
| CN210156755U true CN210156755U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921352964.7U Active CN210156755U (en) | 2019-08-20 | 2019-08-20 | Drawout type low-voltage switch cabinet with good heat dissipation performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210156755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313292A (en) * | 2020-04-11 | 2020-06-19 | 温州市森脉电力设备有限公司 | Multifunctional low-voltage draw-out type switch cabinet |
-
2019
- 2019-08-20 CN CN201921352964.7U patent/CN210156755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313292A (en) * | 2020-04-11 | 2020-06-19 | 温州市森脉电力设备有限公司 | Multifunctional low-voltage draw-out type switch cabinet |
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