Distribution box cooling system
Technical field
The present invention relates to electric fittings technical fields, and in particular to distribution box cooling system.
Background technique
Distribution box application field is extensive, and relating to various aspects, the distribution boxs such as industry, agricultural, traffic and people's lives is
Switchgear, measuring instrumentss, protection electric appliance and ancillary equipment are assembled in metal safe or screen width by electrical wiring requirement, to close
Reason distribution electric energy, the convenient switching action to circuit.
At work, internal electric elements work can give out heat makes temperature inside the box liter to existing distribution box
Height influences electric elements work, it is common that carries out fan heat by fan, fan transfers out heat from the heat release hole on distribution box
It goes, is arranged in heat release hole louvered.But part distribution box installs field, when rainy, rainwater it is easy from shutter into
Enter in distribution box, influences the work of electrical component in distribution box.
Summary of the invention
The invention is intended to provide a kind of distribution box for not influencing heat dissipation and can also preventing rainwater from entering distribution box from heat release hole to dissipate
Hot systems.
Distribution box cooling system in this programme, including cabinet, offer heat release hole on the cabinet, in the heat release hole
Multiple partitions are provided with, the partition is tilted down-set towards cabinet outside cabinet, and the heat release hole top is hinged with
The baffle that can be automatically reset, the gradient of the baffle and the gradient of partition are identical, and the width of the baffle is greater than partition
Width, is equipped with the water pocket for collecting rainwater between the baffle and cabinet, the water pocket offers at bottom for water logging
Immersion hole out, the partition adjacent with the baffle is equipped with photo resistance, and photo resistance is located at partition and stretches out outside cabinet
One end;
It further include controller, the controller is used to receive the resistance value of photo resistance, opens up on the bottom plate of the cabinet
There are multiple air holes, openable mounting is equipped in the air hole, the mounting is beaten by controller according to resistance value control
It opens.
The working principle and beneficial effect of this programme is, in fine day, cabinet internal fan carries out heat by heat release hole scattered
Hair, bore closure of breathing freely avoid opening the air hole of the bottom of box for a long time and making the intracorporal electric elements dampness of case;When rainy,
Rainwater, which can be gradually collected in water pocket, increases the weight of water pocket, is pressed downward baffle after water pocket weight increase, with water pocket weight
The increase of amount is in a horizontal position baffle, and since the width of baffle is greater than the width of partition, baffle covers the partition of lower section,
Baffle carries out rain cover to the heat release hole of lower section, and rainwater is avoided to enter in cabinet from heat release hole, and electric elements are being just in guard box body
Often work.
When baffle is in a horizontal position it is upper when because the width of baffle be greater than partition width, baffle can shelter from photosensitive
The some light of resistance increases the resistance value of photo resistance, controller control mounting open, due to baffle covered close on every
Piece, baffle and partition gap can not heating load give out, the intracorporal heat of case can be distributed from air hole, will not be because of rain cover
And influence heat dissipation effect.
After rain stops, the rainwater in water pocket is slowly leached from immersion hole, and baffle is gradually reduced by the gravity of water pocket, works as rain
After rolling, the gravity for the water pocket that baffle is subject to is cancelled, and baffle is made to automatically reset for water logging, is reopened between baffle and adjacent partition
Heat dissipation channel, while the light of photo resistance is no longer blocked, the recovery initial value of photo resistance, controller controls mounting and closes
It closes, avoiding the moisture of wet ground after rain from entering influences electric elements in cabinet.
Since the moisture after raining on ground will not form vapor immediately, so will not be because of air hole when rainy
It opens and makes the intracorporal electric elements dampness of case.
It explains: slowly referring to that water is less than the speed that rainwater is collected in water pocket from the speed that immersion hole is flowed out.
Further, the top of the heat release hole is equipped with shaft, and the shaft upper sleeve through has torsional spring, and one of the torsional spring is straight
Torsion arm is connected on cabinet, another straight torsion arm of the torsional spring is connect with baffle.
When baffle is pressed downward it is flat when, torsional spring by baffle pulling force and elastic deformation occurs, when the water in water pocket gradually
After leaching, the stress of baffle is cancelled, and the pulling force that torsional spring is subject to also is cancelled, and torsional spring restores elastic deformation and baffle is allowed to automatically reset,
It can continue to use when raining next time after reset, conveniently be used for multiple times.
Further, the mounting rack of harpoon type is sliding combined in the bottom plate of the cabinet, the mounting is arranged in mounting rack
On, the through-hole that can be aligned with air hole is offered on the mounting rack, the mounting rack is equipped with the company for pulling mounting rack
Extension bar.
Connecting rod is pulled, is located at mounting in air hole, covers air hole, avoids the intracorporal electric elements dampness of case;Again
Connecting rod is back pulled, is aligned through-hole with air hole, air hole is not blocked, and air hole and through-hole form the channel radiated,
Guard box body heat content can distribute, and the folding of air hole is by pulling connecting rod to change the position of mounting rack, using more convenient.
It further, further include telescopic cylinder, the telescopic cylinder is controlled by controller to be started, and the connecting rod, which is connected to, stretches
On the piston rod of contracting cylinder.
The shift in position of mounting rack is realized by telescopic cylinder, and is controlled with controller according to the resistance value of photo resistance
System is not necessarily to manual operation, more intelligent, using more convenient.
Further, the mounting is the sheet rubber of elasticity, and the mounting is shuttle shape.
Due to the mounting both ends point thick middle of shuttle shape, and sheet rubber has certain elasticity, makes when in pulling mounting rack
When mounting opens and closes air hole, mounting and the resistance that cabinet relatively moves are smaller, guarantee the mobile smoothness of mounting rack, also guarantee envelope
Piece can seal air hole.
Further, sliding slot is offered on the roof of the heat release hole, and sliding block, the width of the sliding slot are combined in the sliding slot
Degree is greater than the thickness of sliding block, and the sliding block is fixedly connected with baffle, and the tie point of the sliding block and baffle is located at baffle and torsional spring
Tie point is towards side outside cabinet.
Sliding block is when baffle is pressed downward and is in a horizontal position by water pocket, since sliding block is fixedly connected with baffle, slide plate meeting
Rainwater is stopped to enter in cabinet from baffle and cabinet hinged place, and because baffle, which will drive sliding block when being pressed downward, moves down one
Segment distance, and the width of sliding slot is greater than the thickness of sliding block, it is flat that sliding block will not hinder baffle to be pressed downward, when baffle resets,
Baffle promotes sliding block in sliding slot again.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention;
Fig. 2 is the enlarged diagram in Fig. 1 at A;
Fig. 3 is the connection structure diagram of baffle and cabinet in Fig. 1;
Fig. 4 is the functional block diagram controlled in the embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
Appended drawing reference in Figure of description includes: cabinet 1, heat release hole 2, water pocket 3, photo resistance 4, mounting rack 5, stretches
Cylinder 6, sliding block 7, shaft 8, torsional spring 9, air hole 11, sliding slot 12, partition 21, baffle 22, mounting 51, through-hole 52.
Distribution box cooling system, as shown in Figure 1, Figure 2 and Figure 3, including cabinet 1, electric elements are installed in cabinet 1,
A heat release hole 2 is offered on cabinet 1, multiple partitions 21 are provided in heat release hole 2, and four partitions are arranged in the present embodiment
21, partition 21 is outer towards being arranged in cabinet 1 in a manner of diagonally downward from cabinet 1, and 2 top of heat release hole is hinged with and can answer automatically
The baffle 22 of position, the gradient of baffle 22 is identical as the gradient of partition 21, and the space between baffle 22 and partition 21 forms scattered
The passage of heat, the space between multiple baffles 22 also form heat dissipation channel, the width of baffle 22 are set greater than to the width of partition 21
Degree, adjacent 21 end of partition of baffle 22 are equipped with photo resistance 4, and photo resistance 4 is located at 1 outside of cabinet.
Sliding slot 12 is offered in the cabinet 1 on 2 top of heat release hole, sliding block 7 is combined in sliding slot 12, and the width of sliding slot 12 is greater than
The thickness of sliding block 7, sliding block 7 are fixedly connected with baffle 22, and sliding block 7 is located at baffle 22 with the tie point of baffle 22 and connect with torsional spring 9
Point is equipped with shaft 8 towards the outer side of cabinet 1, the top of heat release hole 2, and shaft 8 is located at the inner wall of the side in cabinet 1 of sliding slot 12
On, 8 upper sleeve through of shaft has torsional spring 9, and the straight torsion arm of one of torsional spring 9 is connected on cabinet 1, another straight torsion arm of torsional spring 9
It is connect with baffle 22, after baffle 22 is depressed by water pocket 3 elastic deformation occurs for torsional spring 9, after there is no water in water pocket 3, baffle 22
Pressure by water pocket 3 is cancelled, and torsional spring 9 restores elastic deformation, and baffle 22 is allowed to automatically reset.
The water pocket 3 for collecting rainwater is equipped between baffle 22 and cabinet 1, water pocket 3 is fixed on baffle 22, in baffle 22
When inclination, water pocket 3 touches cabinet 1, and water pocket 3 offers the immersion hole supplied water and slowly flowed out, after rain stops, water at bottom
Rainwater in capsule 3 is slowly leached from immersion hole, and baffle 22 is gradually reduced by the gravity of water pocket 3, when rainwater leaching after rolling, baffle
The gravity of 22 water pockets 3 being subject to is cancelled, and baffle 22 is made to automatically reset, and the heat dissipation reopened between baffle 22 and adjacent partition 21 is logical
Road, while the light of photo resistance 4 is no longer blocked, baffle 22 makes sliding block 7 come back to cunning because when torsional spring 9 automatically resets
In slot 12.
Offer multiple air holes 11 on the bottom plate of cabinet 1, the number of air hole 11 according to the size of 1 bottom plate of cabinet and
Actual demand is designed, and the present embodiment is arranged 12, is arranged respectively to three column, four air holes 11 of each column, air hole 11
It is inside equipped with the mounting 51 of openable shuttle shape, mounting 51 is the sheet rubber of elasticity, is sliding combined with fish in the bottom plate of cabinet 1
The mounting rack 5 of forked type, mounting rack 5 have three branch forks, and three branch of mounting rack 5 pitch, mounting 51 corresponding with three column air holes 11
It is arranged on mounting rack 5, the position of mounting 51 and air hole 11 correspond, and offering on mounting rack 5 can be right with air hole 11
Neat through-hole 52, mounting rack 5 are equipped with the connecting rod for pulling mounting rack 5, and connecting rod is connected to the piston rod of telescopic cylinder 6
On.
As shown in figure 4, the resistance value of photo resistance 4 increases, control when the photo resistance 4 on partition 21 is blocked by baffle 22
Device processed control telescopic cylinder 6 starts, and telescopic cylinder 6 is allowed to pull mounting rack 5 mobile, allows through-hole 52 and air hole on mounting rack 5
11 alignment form heat release hole 2, when photo resistance is not blocked by baffle 22, the recovery initial value of photo resistance 4, and controller control
Mounting rack 5 is mobile, and mounting 51 is allowed to get lodged at air hole 11, and avoiding the moisture of wet ground after rain from entering influences electric appliance in cabinet 1
Element.
When raining, rainwater, which can be gradually collected in water pocket 3, increases the weight of water pocket 3, by baffle after 3 weight increase of water pocket
22 are pressed downward, and the increase with 3 weight of water pocket is in a horizontal position baffle 22, since the width of baffle 22 is greater than partition
Width, baffle 22 cover the partition 21 of lower section, and the heat release hole 2 of 22 pairs of baffle lower section carries out rain cover, avoid rainwater from heat release hole 2 into
Enter in cabinet 1, guarantees the normal work of electric elements in cabinet 1.
When baffle 22 is in a horizontal position upper, because the width of baffle 22 is greater than the width of partition 21, baffle 22 can be hidden
The some light for blocking photo resistance 4 increases the resistance value of photo resistance 4, and controller controls mounting 51 and opens, due to baffle 22
Covered neighbouring partition 21, baffle 22 and 21 gap of partition can not heating load give out, the heat in cabinet 1 can be from air hole
11 distribute, and will not influence heat dissipation effect because of rain cover.
Air hole 11 is aligned the heat dissipation channel to be formed with through-hole 52, can increase new heat dissipation channel, in 22 pairs of lower sections of baffle
Heat release hole 2 carry out rain cover while, do not influence the heat dissipation of cabinet 1.
The width that baffle 22 is located at the outer one end of cabinet 1 is greater than the width for being located at one end in cabinet 1, and baffle 22 is with hinge joint
Fulcrum can form a lever, when having accumulated a certain amount of water in water pocket 3, from lever principle it is found that baffle 22 fixes water
One end of capsule 3 makes baffle 22 be easy to be pressed downward by water pocket 3, can allow when water pocket 3 has accumulated less water than other end weight
Baffle 22 moves down, and carries out rain cover to the heat release hole 2 of 22 lower section of baffle in time.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.