CN109888645A - A kind of electrical equipment cabinet and frequency converter - Google Patents
A kind of electrical equipment cabinet and frequency converter Download PDFInfo
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- CN109888645A CN109888645A CN201910198094.0A CN201910198094A CN109888645A CN 109888645 A CN109888645 A CN 109888645A CN 201910198094 A CN201910198094 A CN 201910198094A CN 109888645 A CN109888645 A CN 109888645A
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- cabinet
- electrical equipment
- heat dissipation
- center
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Abstract
The invention proposes a kind of electrical equipment cabinet and frequency converters, wherein electrical equipment cabinet includes center cabinet, cover and heat dissipation base；Center cabinet includes the first accommodating chamber equipped with the first opening, for installing the component of electrical equipment；Cover lid is located in the first opening of center cabinet with the first opening of closing；Heat dissipation base is removably mounted on the side or bottom surface of center cabinet, for providing heat sinking function for component.Beneficial effects of the present invention: when user needs to clean heat dissipation base, heat dissipation base being removed, and can easily and quickly clean heat dissipation base, is reduced user and is cleared up difficulty, improves the experience sense of user.
Description
Technical field
The present invention relates to electrical equipments, and in particular to a kind of electrical equipment cabinet and frequency converter.
Background technique
Electrical equipment (Electrical Equipment) is in the power system to frequency converter, controller, generator, change
The general designation of the equipment such as depressor, power circuit, breaker.In practical applications, some electrical equipments need under rugged environment
Work is radiated when electrical equipment works under rugged environment for the reliability for guaranteeing electric equipment operation, electrical equipment
Position needs often cleaning dust, impurity etc..In the prior art, the position of electrical equipment heat dissipation is generally arranged at cabinet inside,
And cabinet is welded, cleaning difficulty is larger, reduces the experience sense of user.
Summary of the invention
Based on problem of the prior art, the present invention provides a kind of electrical equipment cabinet and frequency converter.
The present invention proposes that a kind of electrical equipment cabinet, the electrical equipment cabinet include:
Center cabinet comprising the first accommodating chamber equipped with the first opening, for installing the component of electrical equipment；
Cover, lid are located in the first opening of the center cabinet to close first opening；And
Heat dissipation base is removably mounted on the side or bottom surface of the center cabinet, scattered for providing for the component
Heat function.
Further, the heat dissipation base includes:
Bottom plate；And
Multiple side plates, multiple side plates are sequentially connected and are enclosed the second appearance with the second opening with the bottom plate
Receive chamber；Wherein,
When the heat dissipation base is installed on the center cabinet, the center cabinet covers second opening, Duo Gesuo
It states at least two side plates in side plate and offers ventilation opening so that forming air channel structure inside the heat dissipation base.
Further, support portion is additionally provided on the center cabinet, the support portion is open around being arranged in described first
Surrounding；The first security bar is equipped on the cover at position corresponding with the support portion；Wherein,
The cover and first security bar being pressed on the support portion of the center cabinet with the center
Cabinet, which is formed, to be tightly connected.
Further, the cover includes:
Upper cover body, lid are located on the center cabinet and middle part hollow out formation operation hole, the handle hole connection described the
One accommodating chamber and exterior space are operated with will pass through the handle hole to the component of the electrical equipment；
Lower cover is removably mounted in the handle hole；And
Second security bar, around set on the lower cover side；Wherein,
When the lower cover is mounted in the handle hole, second security bar is pressed on the behaviour by the lower cover
Make on the hole wall in hole so that the upper cover body and the lower cover are tightly connected.
Further, the electrical equipment cabinet further includes the keyboard structure for being mounted on the cover, the keyboard structure packet
It includes:
Bracket is pressed on the inner surface of the cover and is formed with through-hole；Wherein, the cover is formed with relief hole, institute
The outer surface of bracket is stated towards the relief hole；
Silica gel push-button is covered on the outer surface of the bracket by the relief hole；And
Finger-board is mounted on the inner surface of the bracket and has key contacts；Wherein,
The key contacts are corresponding with the silica gel push-button by the through-hole, described when pressing the silica gel push-button
Silica gel push-button is contacted with the key contacts.
Further, the heat dissipation base includes:
Heat-radiating substrate, including the first radiating surface and the second radiating surface being oppositely arranged, second radiating surface is hermetically solid
Due on the center cabinet, wherein offer installation at position corresponding with the heat-radiating substrate on the center cabinet
Hole for the intracorporal component of center case directly with first cooling surface contacts；And
Multiple radiating fins extend out and are spaced apart from the second radiating surface of the heat-radiating substrate.
The present invention also proposes that a kind of frequency converter, the frequency converter include electrical equipment cabinet described in above-mentioned any one.
Further, the frequency converter includes radiator, and the radiator is sealingly fixed on the center cabinet, and is set
In in the heat dissipation base；Wherein,
Mounting hole is offered on the center cabinet at position corresponding with the radiator for the center cabinet
Interior component is directly contacted with the radiator.
Further, the frequency converter includes reactor assemblies；
The reactor assemblies are sealingly fixed on the center cabinet, and are placed in the heat dissipation base.
Further, the frequency converter includes capacitor board, and the capacitor board is fixed on the center cabinet and the capacitor
Capacitor on plate extends in the heat dissipation base；Wherein, the capacitor is arranged with protective jacket to be formed with the center cabinet
It is tightly connected.
Beneficial effects of the present invention: when user needs to clean heat dissipation base, heat dissipation base being removed, can conveniently, fastly
Heat dissipation base is cleaned fastly, is reduced user and is cleared up difficulty, improves the experience sense of user.
In addition, the component of electrical equipment is usually only integrated on center cabinet, can make in this way the volume of electrical equipment compared with
It is small, and since component is usually only integrated on center cabinet, when dismounting heat dissipation base, it generally will not influence the normal of electrical equipment
Function, in no professional in the case where field, user can also Dismountable, reduce maintenance cost.
In the present embodiment, heat dissipation base removably cooperates with center cabinet, and user is not only facilitated to clean heat dissipation base,
It ensure that the heat dissipation effect of the component of electrical equipment, and then ensure that the stability and reliability of electrical equipment.
Detailed description of the invention
Fig. 1 is a kind of explosive view of electrical equipment cabinet in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the heat dissipation base in electrical equipment cabinet shown in Fig. 1；
Fig. 3 is the structural schematic diagram of the center cabinet in electrical equipment cabinet shown in Fig. 1；
Fig. 4 is another structural schematic diagram of center cabinet shown in Fig. 3；
Fig. 5 is the enlarged drawing of part A in Fig. 4；
Fig. 6 is the schematic diagram that the keyboard structure in electrical equipment cabinet shown in Fig. 1 is mounted on cover；
Fig. 7 a is another schematic diagram that the keyboard structure in electrical equipment cabinet shown in Fig. 1 is mounted on cover；
Fig. 7 b is schematic diagram when Fig. 7 a is fitted without lower cover and the second security bar；
Fig. 8 is that the keyboard structure in electrical equipment cabinet shown in Fig. 1 is mounted on the explosive view after cover；
Fig. 9 is the structural schematic diagram of the bracket in keyboard structure shown in Fig. 6；
Figure 10 is that cover lid is located at the partial sectional view after center cabinet in the embodiment of the present invention；
Figure 11 is the structural schematic diagram of the heat dissipation base in another embodiment of the present invention electrical equipment cabinet；
Figure 12 is a kind of explosive view of frequency converter in the embodiment of the present invention；
Figure 13 is the structural schematic diagram of radiator and reactor assemblies in frequency converter shown in Figure 12；
Figure 14 is that capacitor board is mounted on the partial sectional view after center cabinet in frequency converter shown in Figure 12.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
(such as up, down, left, right, before and after, level, vertical it is to be appreciated that the directional instruction of institute in the embodiment of the present invention
Deng) be only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each device,
If the particular pose changes, directionality instruction is also correspondingly changed correspondingly, and " connection " can be directly
It connects in succession, is also possible to be indirectly connected with, " setting ", " being set to ", " being set to " can be and be directly arranged in, between being also possible to
It is arranged in.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
Referring to Fig. 1 to Figure 14, there is disclosed an a kind of embodiments of electrical equipment cabinet of the present invention, in the present embodiment,
The electrical equipment cabinet includes center cabinet 20, cover 10 and heat dissipation base 30；Center cabinet 20 includes being equipped with the first opening
210 the first accommodating chamber 21, for installing the component of electrical equipment；Cover 10 covers the first opening 210 for being located at center cabinet 20
On with closing first opening 210；Heat dissipation base 30 is removably mounted on the side or bottom surface of center cabinet 20, for being electrical
The component of equipment provides heat sinking function.
In the present embodiment, when user needs to clean heat dissipation base 30, heat dissipation base 30 is removed, it can be easily and fast
Ground cleans heat dissipation base 30, reduces user and clears up difficulty, improves the experience sense of user.
In the present embodiment, the component of electrical equipment is usually only integrated on center cabinet 20, can make electrical equipment in this way
Small volume when dismounting heat dissipation base 30, generally will not influence electricity and since component is usually only integrated on center cabinet 20
The normal function of gas equipment, in no professional in the case where field, user can also Dismountable, reduce maintenance cost.
In the present embodiment, heat dissipation base 30 removably cooperates with center cabinet 20, and user is not only facilitated to clean heat dissipation bottom
Seat 30, also ensures the heat dissipation effect of the component of electrical equipment, and then ensure that the stability and reliability of electrical equipment.
Wherein, electrical equipment includes frequency converter, controller, generator, transformer, power circuit, breaker etc., this implementation
Example is illustrated by taking frequency converter as an example.
In the present embodiment, the component of electrical equipment includes electronic component, such as wiring board 40, reactor assemblies 60, capacitor board
50 etc., it further include structure member, such as radiator 70.
In the present embodiment, according to different service conditions, cube, cuboid, column can be set by center cabinet 20
The regular shapes such as body or other irregular shapes, to facilitate the component of installation electrical equipment.
In the present embodiment, according to different service conditions, cube, cuboid, column can be set by heat dissipation base 30
The regular shapes such as body or other irregular shapes, so that the effect of heat dissipation is more preferable.
Referring again to Fig. 2 and Fig. 3, in an alternative embodiment, such as in the present embodiment, heat dissipation base 30 includes bottom plate
37 and multiple side plates 35；Multiple side plates 35 are sequentially connected and are enclosed the second accommodating chamber with the second opening 33 with bottom plate 37
31；Wherein, when heat dissipation base 30 is installed on center cabinet 20, center cabinet 20 covers the second opening 33, in multiple side plates 35
At least two side plates 35 offer ventilation opening so that forming air channel structure inside heat dissipation base 30, as being mounted on center
Component on cabinet 20 radiates, and the heat that the component on center cabinet 20 gives out enters second by the second opening 33 and holds
It receives chamber 31, and flows away from ventilation opening to realize heat dissipation effect.In addition, component can also extend to the second appearance by the second opening 33
It receives in chamber 31, to further strengthen heat dissipation effect.
In an alternative embodiment, such as in the present embodiment, there are two ventilation openings, respectively the second ventilation opening 356 and
One ventilation opening 352, the second ventilation opening 356 and the first ventilation opening 352 are oppositely arranged, so that the second receiving can be quickly discharged in heat
Chamber 31.In other implementations, the second ventilation opening 356 and the first ventilation opening 352 can not also be oppositely arranged, for example, the second ventilation
The opening direction of mouth 356 is vertical with the opening direction of the first ventilation opening 352.In other implementations, ventilation opening can also have multiple,
Multiple ventilation openings are respectively arranged on different side plates 35.
In an alternative embodiment, such as in the present embodiment, side plate 35 has four pieces, respectively the first side plate 351, second side
Plate 354, third side plate 353 and the 4th side plate 355；First side plate 351 and the second side plate 354 are oppositely arranged；353 He of third side plate
4th side plate 355 is oppositely arranged；The side of first side plate 351, the side of the second side plate 354, third side plate 353 side and
The side connection bottom plate 37 of 4th side plate 355 is to be enclosed the second accommodating chamber 31 with bottom plate 37；First side plate 351 it is another
Side, the other side of the second side plate 354, the other side of third side plate 353 and the 4th side plate 355 the other side be connected in center case
So that the second opening 33 is towards center cabinet 20 on body 20；First ventilation opening 352 is provided on the first side plate 351；Second ventilation
Mouth 356 is provided on the second side plate 354；The opening direction of second opening 33 respectively with the opening direction of the first ventilation opening 352, the
The opening direction of two ventilation openings 356 is vertical.
In an alternative embodiment, such as in the present embodiment, the first side plate 351, the second side plate 354, third side plate 353,
4th side plate 355 and bottom plate 37 are made of metal material, and outer surface has zinc coat, and the first side plate 351, the second side plate
354, fixed-type in a manner of riveting rivet between third side plate 353, the 4th side plate 355 and bottom plate 37, it avoids making
It causes the zinc coat of welding position to fall off with the mode of welding and gets rusty.
In an alternative embodiment, such as in the present embodiment, third side plate 353 and the 4th side plate 355 are to the second opening 33
It is inside convexly equipped with connection wall 357, third side plate 353 and the 4th side plate 355 join by the way that connection wall 357 and center cabinet 20 are fixed respectively
It connects.In other embodiments, connection wall 357 can also be convexly equipped in the first side plate 351 and the second side plate 354, or projection simultaneously
In the first side plate 351, the second side plate 354, third side plate 353 and the 4th side plate 355.
In an alternative embodiment, such as in the present embodiment, electrical equipment cabinet further includes screw and water-proof nut, waterproof
Nut is mounted on center cabinet 20, and screw is threadedly coupled after passing through connection wall 357 with water-proof nut, and connection wall 357 is locked
It invests on center cabinet 20.
Referring again to Fig. 4 to Figure 10, in an alternative embodiment, such as in the present embodiment, also set on center cabinet 20
It is equipped with support portion 360, support portion 360 is around the surrounding for being arranged in the first opening 210；It is corresponding with support portion 360 on cover 10
Position at be equipped with the first security bar 14；Wherein, the first security bar 14 by being pressed on the support of center cabinet 20 by cover 10
In portion 360 and with center cabinet 20 formed be tightly connected so that the first accommodating chamber 21 have the effects that it is good dust-proof, moisture-proof.
It needs high protecting component to be installed in the first accommodating chamber 21 for wiring board 40 is equal, the stability of electrical equipment and reliable can be promoted
Property, extend electrical equipment service life.
In an alternative embodiment, such as in the present embodiment, center cabinet 20 includes bottom wall 34, the first side wall 341, second
Sidewall 34 2, third sidewall 34 3 and the 4th sidewall 34 4, the side of the first side wall 341, the side of second sidewall 342, third side wall
343 side and the side of the 4th sidewall 34 4 connection bottom wall 34 are to be enclosed the first accommodating chamber 21, the first side wall with bottom wall 34
The other side support of 341 other side, the other side of second sidewall 342, the other side of third sidewall 34 3 and the 4th sidewall 34 4
Cover 10, wherein the first side wall 341 and third sidewall 34 3 are oppositely arranged；Second sidewall 342 and the 4th sidewall 34 4 are set relatively
It sets；First side plate 351, the second side plate 354, third side plate 353 and the 4th side plate 355 are connected on bottom wall 34.
In an alternative embodiment, such as in the present embodiment, the first side wall 341, second sidewall 342, third sidewall 34 3,
It is fixed-type by the welding manner being fully welded between 4th sidewall 34 4 and bottom wall 34, so that the closed effect of the first accommodating chamber 21
Fruit is more preferable.In other embodiments, the first side wall 341, second sidewall 342, third sidewall 34 3, the 4th sidewall 34 4 and bottom wall 34
It can also be integrally formed and be made.
In an alternative embodiment, such as in the present embodiment, support portion 360 includes wall extension 345 and supporting walls 346, is prolonged
The side connection the first side wall 341 for stretching wall 345 supports the side of cover 10, second sidewall 342 to support the side of cover 10, third
Sidewall 34 3 supports the side of cover 10 and the side of the 4th sidewall 34 4 support cover 10, is arranged in the first opening to surround
210 surrounding, the other side of wall extension 345 connect supporting walls 346, wherein supporting walls 346 are vertical with wall extension 345 connect with
Make first security bar of surface apical grafting 14 of supporting walls 346.
In an alternative embodiment, such as in the present embodiment, electrical equipment cabinet further includes clamping screw 361, third side
Wall 343 supports the side of cover 10 and the side of the 4th sidewall 34 4 support cover 10 to be convexly equipped with multiple positioning columns 347, positioning column
347 offer threaded hole, and the corresponding threaded hole of cover 10 offers location hole, clamping screw 361 pass through after location hole with threaded hole
It is threadedly engaged paying the lock of cover 10 on center cabinet 20.
In an alternative embodiment, such as in the present embodiment, electrical equipment cabinet further includes the keyboard for being mounted on cover 10
Structure 13, keyboard structure 13 include bracket 132, silica gel push-button 136, finger-board 133；Bracket 132 is pressed on the interior table of cover 10
Face and it is formed with through-hole 1322；Wherein, cover 10 is formed with relief hole 111, and the outer surface of bracket 132 is towards relief hole 111；Silicon
Glue key 136 is covered on the outer surface of bracket 132 by relief hole 111；Finger-board 133 be mounted on the inner surface of bracket 132 and
With key contacts；Wherein, key contacts are corresponding with silica gel push-button 136 by through-hole 1322, when pressing silica gel push-button 136,
Silica gel push-button 136 is contacted with key contacts.The inner surface that bracket 132 is pressed on cover 10 can guarantee the sealing of relief hole 111
Effect, silica gel push-button 136 cover the outer surface for being located at bracket 132, and corresponding with key contacts by through-hole 1322, can be by through-hole
1322 cover, and then guarantee the sealing effect of through-hole 1322.
In the present embodiment, after the lid of cover 10 is located at center cabinet 20, keyboard structure 13 is placed in the first accommodating chamber 21, no
13 dust stratification of keyboard structure, dampness can only be prevented, moreover it is possible to keyboard structure 13 be facilitated to be electrically connected with the component in the first accommodating chamber 21.
In an alternative embodiment, such as in the present embodiment, keyboard structure 13 further includes third security bar 131, bracket 132
Third security bar 131 is pressed on the inner surface of cover 10, and third security bar 131 is arranged around through-hole 1322, to improve
The sealing effect of through-hole 1322.
In an alternative embodiment, such as in the present embodiment, bracket 132 offers mounting groove 1321, third security bar 131
It is accommodated in the second mounting groove 1321 and is interference fitted with the second mounting groove 1321, to facilitate installation.
In an alternative embodiment, such as in the present embodiment, electrical equipment box body further includes fixing bolt 135 and fixed spiral shell
Mother 134, fixing bolt 135 cooperates after sequentially passing through cover 10, bracket 132 and finger-board 133 with fixture nut, by keyboard knot
The lock of structure 13 is paid on cover 10.
In an alternative embodiment, such as in the present embodiment, cover 10 is split type structure, including upper cover body 11, lower cover
Body 12 and the second security bar 15；The lid of upper cover body 11 is located on center cabinet 20 and middle part hollow out formation operation hole 16, handle hole 16
It being connected to the first accommodating chamber 21 and exterior space, being operated with will pass through handle hole 16 to the component of electrical equipment；Lower cover 12
It is removably mounted on handle hole 16；Second security bar 15 is around set on 12 side of lower cover；Wherein, lower cover 12 is mounted on behaviour
When making hole 16, the second security bar 15 is pressed on the hole wall of handle hole 16 so that upper cover body 11 and lower cover 12 are tightly connected.
In the present embodiment, after cover 10 is divided into upper cover body 11 and lower cover 12, tieed up to the component in the first accommodating chamber 21
When the operations such as shield, debugging, lower cover 12 need to only be removed, reduce the disassembly difficulty of user, increase the experience of user
Sense, and after 12 surrounding of lower cover the second security bar 15 of setting, it is ensured that the good sealing effect of handle hole 16.Further,
One security bar 14 is fixed in the inner surface of upper cover body 11.It is to be appreciated that in other embodiments, cover may be one
Formula structure.
In an alternative embodiment, such as in the present embodiment, keyboard structure 13 is mounted in upper cover body 11.In other implementations
In example, keyboard structure 13 also be may be mounted on lower cover 12.
In an alternative embodiment, such as in the present embodiment, the first ventilation opening 352 is equipped with radiator fan 32, radiation air
When 32 work of fan, external cold wind is sucked in the second accommodating chamber 31 from the second ventilation opening 356 and is discharged from the first ventilation opening 352,
Quickly to take away the heat of the second accommodating chamber 31, so that the heat dissipation effect of heat dissipation base 30 is more preferable.Preferably, radiator fan 32
For the dustproof heat radiating fan 32 of height protection.
In an alternative embodiment, such as in the present embodiment, the second ventilation opening 356 is mesh form, biggish to prevent
Sundries enters in the second accommodating chamber 31.
Referring again to Figure 11, in an alternative embodiment, heat dissipation base 30 may include heat-radiating substrate 312 and it is multiple dissipate
Hot fin 311；Heat-radiating substrate 312 includes the first radiating surface and the second radiating surface being oppositely arranged, and the second radiating surface is hermetically solid
Due on center cabinet 20, wherein offer mounting hole 390 at position corresponding with heat-radiating substrate 312 on center cabinet 20
For the component in center cabinet 20 directly with the first cooling surface contacts；Second radiating surface of multiple radiating fins from heat-radiating substrate
On extend out and be spaced apart.
In an alternative embodiment, such as in the present embodiment, the first security bar 14, the second security bar 15 and third security bar
131 are made of rubber or silica gel material, preferably silica gel material.
In an alternative embodiment, such as in the present embodiment, center cabinet 20, upper cover body 11 and lower cover 12 use metal
Material is made, preferably aluminum alloy materials.
Referring again to Figure 12 to Figure 14, an a kind of embodiment of frequency converter of the present invention, in the present embodiment, institute are shown
Stating frequency converter includes electrical equipment cabinet described in above-mentioned any one embodiment.
In an alternative embodiment, such as in the present embodiment, frequency converter further includes radiator 70；Radiator 70 is hermetically solid
It is scheduled on center cabinet 20, and is placed in heat dissipation base 30；Wherein, on center cabinet 20 at position corresponding with radiator 70
Mounting hole 390 is offered so that the component in center cabinet 20 is directly contacted with radiator 70, so that the heat dissipation effect of component is more
It is good.For example, IGBT device can be mounted on radiator 70 by mounting hole 390.In the present embodiment, heat dissipation base 30 is removed
Afterwards, it not only can be convenient the second accommodating chamber 31 of cleaning, also can be convenient the radiator 70 that cleaning is mounted on center cabinet 20.
In an alternative embodiment, such as in the present embodiment, frequency converter further includes reactor assemblies 60；Reactor assemblies 60
It is sealingly fixed on center cabinet 20, and is placed in heat dissipation base 30, so that the heat dissipation effect of reactor assemblies 60 is more preferable, and
After removing heat dissipation base 30, it also can be convenient the reactor assemblies 60 that cleaning is mounted on center cabinet 20.
In an alternative embodiment, such as in the present embodiment, frequency converter further includes capacitor board 50, during capacitor board 50 is fixed on
Capacitor 52 on frame cabinet 20 and on capacitor board 50 extends in heat dissipation base 30；Wherein, capacitor 52 be arranged with protective jacket 53 with
It is formed and is tightly connected with center cabinet 20, in addition, after removing heat dissipation base 30, it can also capacitor 52 convenient for cleaning.
In an alternative embodiment, such as in the present embodiment, mounting hole 390 is provided on bottom wall 32, and is connected to first and is held
Receive chamber 21 and the second accommodating chamber 31, wherein mounting hole 390 includes first the 348, second perforation 349 of perforation and third perforation 350.
Radiator 70 is placed in the second accommodating chamber 31 and is sealingly fixed on bottom wall 34, and covers the first perforation 348, with
While increasing by 70 heat dissipation effect of radiator, also guarantee the sealing effect of the first perforation 348, wherein in the first accommodating chamber 210
Component 348 can be installed on radiator 70 by the first perforation.
Reactor assemblies 60 are placed in the second accommodating chamber 31 and are sealingly fixed on bottom wall 34, and cover the second perforation
349, also to guarantee the sealing effect of the second perforation 349, wherein reactance while increasing by 60 heat dissipation effect of reactor assemblies
Device assembly 60 can pass through the component in 349 the first accommodating chamber 210 of electrical connection of the second perforation.
Capacitor board 50 further includes substrate 51, and capacitor 52 is installed on the substrate 51, and substrate 51 is fixed in the first accommodating chamber 21,
And capacitor 52 is pierced by the second accommodating chamber 31 for extending to heat dissipation base 30 from third perforation 350, to increase the heat dissipation of capacitor 52
Effect, wherein when capacitor 52 is pierced by from third perforation 350, the protective jacket 53 and third perforation 350 being arranged on capacitor 52 are close
Envelope connects the sealing effect to guarantee third perforation 350.
In an alternative embodiment, such as in the present embodiment, 53 outer surface of protective jacket is convexly equipped with limited wall 54, and substrate 51 will
Limited wall 54 is pressed on the inner surface of bottom wall 34, to increase the sealing effect of third perforation 350.
In an alternative embodiment, such as in the present embodiment, limited wall 54 is convexly equipped with multiple blade of a sword portions 55, and blade of a sword portion 55 crimps bottom
The inner surface of wall 34, to further increase the sealing effect of third perforation 350.
In an alternative embodiment, such as in the present embodiment, frequency converter further includes the 4th security bar 71, the 4th security bar 71
It is embedded on radiator 70, the 4th security bar 71 is pressed on bottom wall 34 by radiator 70, wherein the 4th security bar 71 is around the
One perforation, 348 arrangement can increase the sealing effect of the first perforation 348 after the 4th security bar 71 is arranged.
In an alternative embodiment, such as in the present embodiment, frequency converter further includes the 5th security bar 61, the 5th security bar 61
It is embedded on reactor assemblies 60, the 5th security bar 61 is pressed on bottom wall 34 by reactor assemblies 60, wherein the 5th security bar
61 around 349 arrangement of the second perforation.After 5th security bar 61 is set, the sealing effect of the second perforation 349 can be increased.
In an alternative embodiment, such as in the present embodiment, radiator 70 and reactor assemblies 60 are fixed to each other, and the 4th is anti-
Guard strip 71 and the 5th security bar 61 are in or are generally on same plane, so as to install radiator 70 and reactor simultaneously
Component 60.
In an alternative embodiment, such as in the present embodiment, frequency converter further includes wiring board 40, and wiring board 40 is set to first
In accommodating chamber 21, to be electrically connected with components such as capacitor board 50, reactor assemblies 60 and keyboard structures 13.
In an alternative embodiment, such as in the present embodiment, the 4th security bar 71, the 5th security bar 61 and protective jacket 53 make
It is made of silica gel or rubber material, preferably silica gel material.
In an alternative embodiment, such as in the present embodiment, frequency converter further includes multiple waterproof connectors 22, waterproof connector 22
It is mounted on center cabinet 20, is connect for the component in the first accommodating chamber 21 with external equipment.
In an alternative embodiment, such as in the present embodiment, limit plate 358, limit plate are installed in the second accommodating chamber 31
358 are formed with limit hole 359, after capacitor 52 extends to the second accommodating chamber 31, partially pass through limit hole 359 and with limit plate 358
Clamping, to prevent the vibration of capacitor 52 from falling off.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of electrical equipment cabinet, which is characterized in that the electrical equipment cabinet includes:
Center cabinet comprising the first accommodating chamber equipped with the first opening, for installing the component of electrical equipment；
Cover, lid are located in the first opening of the center cabinet to close first opening；And
Heat dissipation base is removably mounted on the side or bottom surface of the center cabinet, for providing heat dissipation function for the component
Energy.
2. electrical equipment cabinet as described in claim 1, which is characterized in that the heat dissipation base includes:
Bottom plate；And
Multiple side plates, multiple side plates are sequentially connected and are enclosed the second receiving with the second opening with the bottom plate
Chamber；Wherein,
When the heat dissipation base is installed on the center cabinet, the center cabinet covers second opening, multiple sides
At least two side plates in plate offer ventilation opening so that forming air channel structure inside the heat dissipation base.
3. electrical equipment cabinet as described in claim 1, which is characterized in that be additionally provided with support portion on the center cabinet, institute
Support portion is stated around the surrounding for being arranged in first opening；It is equipped at position corresponding with the support portion on the cover
First security bar；Wherein,
The cover and first security bar being pressed on the support portion of the center cabinet with the center cabinet
It is formed and is tightly connected.
4. electrical equipment cabinet as described in claim 1, which is characterized in that the cover includes:
Upper cover body, lid is located on the center cabinet and middle part hollow out formation operation hole, and the handle hole connection described first is held
It receiving chamber and exterior space, being operated with will pass through the handle hole to the component of the electrical equipment；
Lower cover is removably mounted in the handle hole；And
Second security bar, around set on the lower cover side；Wherein,
When the lower cover is mounted in the handle hole, second security bar is pressed on the handle hole by the lower cover
Hole wall on so that the upper cover body and the lower cover are tightly connected.
5. electrical equipment cabinet as described in claim 1, which is characterized in that the electrical equipment cabinet further include be mounted on it is described
The keyboard structure of cover, the keyboard structure include:
Bracket is pressed on the inner surface of the cover and is formed with through-hole；Wherein, the cover is formed with relief hole, the branch
The outer surface of frame is towards the relief hole；
Silica gel push-button is covered on the outer surface of the bracket by the relief hole；And
Finger-board is mounted on the inner surface of the bracket and has key contacts；Wherein,
The key contacts are corresponding with the silica gel push-button by the through-hole, when pressing the silica gel push-button, the silica gel
Key is contacted with the key contacts.
6. electrical equipment cabinet as described in claim 1, which is characterized in that the heat dissipation base includes:
Heat-radiating substrate, including the first radiating surface and the second radiating surface being oppositely arranged, second radiating surface is sealingly fixed to
On the center cabinet, wherein offered at position corresponding with the heat-radiating substrate on the center cabinet mounting hole with
For the intracorporal component of center case directly with first cooling surface contacts；And
Multiple radiating fins extend out and are spaced apart from the second radiating surface of the heat-radiating substrate.
7. a kind of frequency converter, which is characterized in that the frequency converter includes electrical equipment machine described in claim 1 to 5 any one
Case.
8. frequency converter as claimed in claim 7, which is characterized in that the frequency converter includes radiator, and the radiator is hermetically
It is fixed on the center cabinet, and is placed in the heat dissipation base；Wherein,
Mounting hole is offered on the center cabinet at position corresponding with the radiator so that the center case is intracorporal
Component is directly contacted with the radiator.
9. frequency converter as claimed in claim 7, which is characterized in that the frequency converter includes reactor assemblies；The reactor group
Part is sealingly fixed on the center cabinet, and is placed in the heat dissipation base.
10. frequency converter as claimed in claim 7, which is characterized in that the frequency converter includes capacitor board, and the capacitor board is fixed on
Capacitor on the center cabinet and on the capacitor board extends in the heat dissipation base；Wherein, the capacitor is arranged with anti-
Sheath is tightly connected with being formed with the center cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910198094.0A CN109888645A (en) | 2019-03-15 | 2019-03-15 | A kind of electrical equipment cabinet and frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910198094.0A CN109888645A (en) | 2019-03-15 | 2019-03-15 | A kind of electrical equipment cabinet and frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109888645A true CN109888645A (en) | 2019-06-14 |
Family
ID=66932529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910198094.0A Pending CN109888645A (en) | 2019-03-15 | 2019-03-15 | A kind of electrical equipment cabinet and frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109888645A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087403A1 (en) * | 2021-11-19 | 2023-05-25 | 中车长春轨道客车股份有限公司 | Maglev train, maglev train machine case mounting structure, and case |
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| CN102271480A (en) * | 2010-06-04 | 2011-12-07 | 施耐德东芝换流器欧洲公司 | Electrical equipment and base for same |
| CN202121487U (en) * | 2011-06-14 | 2012-01-18 | 深圳市英威腾电气股份有限公司 | Frequency converter |
| CN204168110U (en) * | 2014-09-17 | 2015-02-18 | 浙江艾得森电气有限公司 | A kind of frequency changer being applicable to the multiple type of cooling |
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| WO2023087403A1 (en) * | 2021-11-19 | 2023-05-25 | 中车长春轨道客车股份有限公司 | Maglev train, maglev train machine case mounting structure, and case |
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