CN208889482U - A kind of capacitance structure and electrical equipment - Google Patents
A kind of capacitance structure and electrical equipment Download PDFInfo
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- CN208889482U CN208889482U CN201821831970.6U CN201821831970U CN208889482U CN 208889482 U CN208889482 U CN 208889482U CN 201821831970 U CN201821831970 U CN 201821831970U CN 208889482 U CN208889482 U CN 208889482U
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- capacitance structure
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Abstract
The utility model embodiment discloses a kind of capacitance structure and electrical equipment.The capacitance structure includes the capacitor and capacitor cover being electrically connected on circuit board.The capacitor cover includes cover body and blade of a sword portion, and one end of cover body is equipped with opening, and blade of a sword portion is arranged on the opening side end of cover body and extends to the outside of cover body, and cover body is for storing capacitor；When circuit board is mounted in the first partition of electrical equipment, cover body and capacitor pass through the aperture in first partition, and the aperture in first partition is sealed to the squeezing action in blade of a sword portion by circuit board and first partition, to realize the water proof and dust proof effect to capacitor, the degree of protection of capacitor is improved, while also improving the degree of protection of the electrical equipment using the capacitance structure.
Description
Technical field
The utility model relates to capacitance technology field more particularly to a kind of capacitance structures and electrical equipment.
Background technique
In recent years, frequency converter is applied due to its significant energy-saving effect more and more as power electronics control device
To various new industries.For certain emerging industries, frequency converter needs to be placed under the conditions harsh environments such as high pollution is dusty
It uses, this requires frequency converter degree of protection with higher.And capacitor is as main components essential in frequency converter
One of, the degree of protection for how improving capacitor in frequency converter also becomes industry problem to be solved.
Currently used method is that conventional capacitor is placed in the high protection cabinet of sealing, and in the high protective housing of sealing
Radiator fan is configured in body, forms inner air circulation to radiate to capacitor.However, this mode is to frequency converter inside sky
Between demand it is often larger, and need that radiator fan is separately configured, improve the cost of frequency converter, meanwhile, but also frequency converter
Whole design is complicated, is unfavorable for production assembly and product maintenance.
Utility model content
The utility model provides a kind of capacitance structure and electrical equipment, to improve the water proof and dust proof effect of capacitor, improves
The degree of protection of capacitor.
In a first aspect, the utility model provides a kind of capacitance structure comprising:
Capacitor is electrically connected on circuit board, and
Capacitor cover, including cover body and blade of a sword portion, one end of the cover body are equipped with opening, and the blade of a sword portion is arranged in the cover
Extend on the opening side end of ontology and to the outside of the cover body, the cover body is for storing the capacitor；
Wherein, when the circuit board is mounted in the first partition of electrical equipment, the cover body and capacitor pass through institute
The aperture in first partition is stated, and seals described to the squeezing action in the blade of a sword portion by the circuit board and first partition
Aperture on one partition.
Second aspect, the utility model additionally provide a kind of electrical equipment comprising the electricity that the application first aspect provides
Hold structure.
The utility model provides a kind of capacitance structure and electrical equipment.In the capacitance structure, capacitor is stored to capacitor cover
In and using the first partition of circuit board and electrical equipment to the squeezing action in the blade of a sword portion of capacitor cover to seal in first partition
Aperture, so that one end that leg is equipped in capacitor is sealed in the seal chamber of electrical equipment, and the rest part of capacitor is stored
Into capacitor cover, to improve the water proof and dust proof effect of capacitor, meanwhile, also have using electrical equipments such as the frequency converters of the capacitance structure
There is good water proof and dust proof effect, improves the degree of protection of electrical equipment.
Detailed description of the invention
In order to illustrate more clearly of the utility model embodiment technical solution, will make below to required in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of capacitance structure provided by the embodiment of the utility model；
Fig. 2 is the decomposition diagram of capacitance structure shown in FIG. 1；
Fig. 3 is schematic cross-section of the capacitance structure shown in FIG. 1 along arrow A-A direction；
Fig. 4 is the partial enlarged view marked at A in capacitance structure shown in Fig. 3；
Fig. 5 is the schematic cross-section of capacitance structure provided by the embodiment of the utility model application in the electrical apparatus；
Fig. 6 is the partial enlarged view marked at B in schematic cross-section shown in fig. 5；
Fig. 7 to Figure 10 is another partial enlarged view marked at B in schematic cross-section shown in fig. 5；
Figure 11 is another schematic cross-section of the capacitance structure shown in FIG. 1 along arrow A-A direction；
Figure 12 is the partial enlarged view marked at C in capacitance structure shown in Figure 11；
Figure 13 is a kind of structural schematic diagram of electrical equipment provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded
Body, step, operation, the presence or addition of element, component and/or its set.
Fig. 1 is a kind of structural schematic diagram of capacitance structure in the utility model embodiment referring to FIG. 1 to FIG. 4, and Fig. 2 is
The decomposition diagram of capacitance structure shown in FIG. 1, Fig. 3 are that capacitance structure shown in FIG. 1 is illustrated along the section of arrow A-A direction
Figure, Fig. 4 are the partial enlarged view marked at A in capacitance structure shown in Fig. 3.The capacitance structure 10 includes capacitor 11 and capacitor cover
12.Wherein, which may be, for example, electrolytic capacitor.
The capacitor 11 is used to be electrically connected with the circuit board in electrical equipment comprising capacitor ontology 111, metal shell
112 and multiple legs 113.
Wherein, which may be, for example, aluminum shell, for wrapping up the capacitor ontology 111.Such as Fig. 3 and Fig. 4 institute
Show, one end of the metal shell 112 is equipped with opening portion, and the inside of edge towards the metal shell 112 of the opening portion extends to form
Buckling parts 1121.The buckling parts 1121 is fastened on the edge of the end face in capacitor ontology 111 equipped with leg 113 and from capacitor ontology
End face in 111 equipped with leg 113 protrudes above.
As shown in Fig. 2, multiple legs 113 are arranged in the top end surface of capacitor ontology 111, it is useful in multiple legs 113
In the positive leg and cathode leg of realizing electrical connection, there is the limit leg of the anti-seismic performance for limiting and improving capacitor 11
And fixed leg.
As shown in Figures 2 and 3, which includes cover body 121 and blade of a sword portion 122.One end of the cover body 121 is equipped with
Opening 1211.The blade of a sword portion 122 is arranged on 1211 side end of opening of the cover body 121 and prolongs to the outside of the cover body 121
It stretches.The cover body 121 is for storing capacitor 11.
As shown in Figure 5 and Figure 6, Fig. 5 is section of capacitance structure application in the electrical apparatus in the utility model embodiment
Face schematic diagram, Fig. 6 are the partial enlarged view marked at B in schematic cross-section shown in fig. 5.It is electrical in capacitor 11 and circuit board 20
After connection, when circuit board 20 is mounted in the first partition 31 of the electrical equipments such as frequency converter, cover body 121 and capacitor 11 it is remote
One end from circuit board 20 passes through the aperture in first partition 31, which is stuck in the edge of the aperture of first partition 31, this
When, the locking of circuit board 20 will be mounted on as between circuit board 20 and first partition 31 by fixing pieces such as screws by blade of a sword portion 122
In first partition 31 so that circuit board 20 and first partition 31 generate squeezing action to blade of a sword portion 122, thus by blade of a sword portion 122 come
Seal the aperture of first partition 31.In this way, for capacitor 11, capacitor 11 by by where circuit board 20 seal chamber and
Cover body 121 is formed by enclosure space, to realize the water proof and dust proof effect to capacitor 11, improves the protection etc. of capacitor 11
Grade.Meanwhile by circuit board 20 and first partition 31 to the squeezing action in blade of a sword portion 122 can also seal chamber to electrical equipment into
Row better seal improves the sealing effect of the seal chamber of electrical equipment, and then improves the degree of protection of electrical equipment.
In one embodiment, in order to which the heat dissipation effect of capacitor 11 can be improved, which also needs close with capacitor 11
Fitting.That is, when capacitor 11 is accommodated in cover body 121, the metal shell 112 of capacitor 11 is interior with cover body 121
Side wall fits closely, so that the heat that capacitor 11 generates can be transferred to outside by metal shell 112 and cover body 121
The heat dissipation effect of capacitor 11 is improved on boundary, extends the service life of capacitor 11.
In one embodiment, which is heat conductive silica gel capacitor cover.Specifically, which can use novel
The production of heat conductive silica gel material.The novel heat-conducting silica gel material has thermally conductive, insulation, water proof and dust proof, heatproof height, fire-protection rating height etc.
Good performance can meet performance requirement electrically.In general, the thermal coefficient range of the novel heat-conducting silica gel material is
0.6w/m.k~1.6w/m.k.Since novel heat-conducting silica gel material has good elastic property feature, capacitor 11 is assembled to electricity
When holding in cover 12, the lateral wall of capacitor 11 and fitting closely for the inner sidewall of cover body 121 may be implemented, be discharged between the two
Air is transferred to the external world by cover body 121 conducive to the heat that capacitor 11 generates and radiates.Certainly, in other embodiments,
Capacitor cover 12 can also be made of common heat conductive silica gel material, wherein the thermal coefficient one of common heat conductive silica gel material
As be 0.23w/m.k.
In one embodiment, as shown in Figure 4 and Figure 6, the surface contacted in the blade of a sword portion 122 with first partition 31 is dentation knot
Structure.When circuit board 20 squeezes blade of a sword portion 122, the dentalation in blade of a sword portion 122 can be filled with stress and deformation blade of a sword portion 122 and first every
Gap between plate 31 avoids the pollutants such as extraneous dust, water by first so that the aperture of first partition 31 be sealed
The aperture of partition 31 enters in the seal chamber of electrical equipment.
It certainly, the surface contacted in the blade of a sword portion 122 with first partition 31 can also be for other shapes or using other modes
The compactness contacted between enhancing blade of a sword portion 122 and first partition 31, to realize the aperture of sealing first partition 31.Specific such as Fig. 7
To shown in Figure 10, Fig. 7 to Figure 10 is another partial enlarged view marked at B in schematic cross-section shown in fig. 5.It will divide below
The other structure to Fig. 7 into Figure 10 is introduced in detail.
In Fig. 7, the surface contacted in the blade of a sword portion 122 with first partition 31 is dentalation, correspondingly, first partition 31
Corresponding position open up tooth-like recesses, when circuit board 20 squeezes blade of a sword portion 122, dentalation in blade of a sword portion 122 and first every
Tooth-like recesses on plate 31 are used cooperatively the aperture to realize sealing first partition 31.
In fig. 8, the surface contacted in the blade of a sword portion 122 with first partition 31 is planar structure.When circuit board 20 squeezes the blade of a sword
When portion 122, blade of a sword portion 122 can be with 31 Interference contact of first partition, to realize the aperture of sealing first partition 31.
In Fig. 9, the surface that contacts in the blade of a sword portion 122 with first partition 31 is equipped with fluting 1221, correspondingly, this first every
Plate 31 is equipped with seam allowance 311, extends on the end for the aperture which is arranged in first partition 31 and to 20 side of circuit board；
When circuit board 20 is mounted in first partition 31, which is assembled in fluting 1221, when circuit board 20 and first partition
31 when squeezing blade of a sword portion 122, by the tight fit between fluting 1221 and seam allowance 311 using sealing opening for first partition 31
Hole.
In Figure 10, bayonet 1222 is equipped with close to the end of first partition 31 in the blade of a sword portion 122.When circuit board 20 is installed
When in first partition 31, which blocks first partition 31, and is sealed up by the squeezing action of circuit board 20
The aperture of one partition 31.
It is understood that in addition to it is above it is several the structures and mode come are set out other than, can also in the blade of a sword portion 122 with
The surface that first partition 31 contacts is equipped with gum.Blade of a sword portion 122 is squeezed in circuit board 20 to realize opening for sealing first partition 31
While hole, the aperture of sealing first partition 31 can also be further realized by gum, improve water proof and dust proof grade.
In one embodiment, as shown in Figures 2 to 4, which further includes insulating trip 13.It is set on the insulating trip 13
There are multiple through-holes 131.The insulating trip 13 is mounted on capacitor 11 by the left-hand thread of leg 113.Specifically, when insulating trip 13 is installed
When on capacitor 11, leg 113 passes through corresponding through-hole 131, so that the insulating trip 13 is fastened on being equipped with for capacitor ontology 111 and welds
It on the end face of foot 113, and covers on the buckling parts 1121 of metal shell 112, to prevent outside metal shell 112 and circuit board 20
Layer electrical traces connection.
Certainly, in other embodiments, the mode for preventing metal shell 112 from connecting with 20 outer layer electrical traces of circuit board is also
It can be other modes.For example, if Figure 11 and 12, Figure 11 are capacitance structure shown in FIG. 1 along another section of arrow A-A direction
Schematic diagram, Figure 12 are the partial enlarged view marked at C in capacitance structure shown in Figure 11.The capacitor cover 12 further includes occlusion part
123.The occlusion part 123 is arranged on 1211 side end of opening of the cover body 121 and extends to the inside of the cover body 121.
When the capacitor 11 is accommodated in the cover body 121, which covers the buckling parts 1121 of metal shell 112, thus
Realize the effect for preventing metal shell 112 from connecting with 20 outer layer electrical traces of circuit board.
In one embodiment, as shown in Figure 2 and Figure 5, which further includes protection department 124.The protection department 124 setting
On the lateral wall of the end of the separate opening 1211 of cover body 121, for example, which is arranged in cover body 121
On portion position on the lower side.The second partition 32 of the protection department 124 and electrical equipment is used cooperatively to consolidate the capacitance structure 10
Tail end, the position of limiting capacitance structure 10 prevent from causing capacitance structure 10 to fall off because the tail end amplitude of capacitance structure 10 is big, from
And improve the anti-seismic performance of capacitance structure 10.
In one embodiment, the bottom of the cover body 121 be additionally provided with it is explosion-proof blurt out, to play explosion-proof.
Capacitance structure 10 in the present embodiment, structure is simple, easy for installation, at low cost, and the waterproof that can improve capacitor is anti-
Dirt effect improves the degree of protection of capacitor.It is also possible to improve the protection etc. of the electrical equipment using the capacitance structure 10
Grade, expands the application environment and application range of electrical equipment.In addition, the capacitance structure 10 in the present embodiment is solid using electrical equipment
Some circuit boards 20 squeeze blade of a sword portion to realize water proof and dust proof effect, can save the space of inside electric appliance, reduce electrical
The cost of manufacture of equipment.
Figure 13 is please referred to, Figure 13 is a kind of structural schematic diagram of electrical equipment provided by the embodiment of the utility model.The electricity
Gas equipment 100 may be, for example, frequency converter.The electrical equipment 100 includes capacitance structure 10, circuit board 20 and cabinet 30.It needs to illustrate
, in Figure 13, two capacitance structures 10 are illustrated, one of capacitance structure 10 is schematic cross-section, in order to
Solve the positional relationship between the internal structure and capacitance structure 10 and other component of capacitance structure 10.
Wherein, which includes capacitor and capacitor cover.The capacitor cover includes cover body and blade of a sword portion.The cover body
One end is equipped with opening, and blade of a sword portion is arranged on the opening side end of the cover body and extends to the outside of the cover body, the cover body
For storing the capacitor.
In the present embodiment, which uses any one capacitance structure provided by the utility model, due to preceding
Face embodiment done and introduced in detail by the structure to the capacitance structure of the utility model 10 and working principle, in order to illustrate
The terseness of book, details are not described herein.
The circuit board 20 is used to be electrically connected with the capacitor in capacitance structure 10.
The cabinet 30 includes first partition 31, which is divided into seal chamber 310 for 30 inner space of cabinet and dissipates
Hot chamber 320.Wherein, air inlet 321 and air outlet 322 are respectively equipped in the two side walls of the heat dissipation cavity 320.Shown in Figure 13
In structural schematic diagram, the air inlet 321 and air outlet 322 are in the opposite two side walls of heat dissipation cavity 320.
After the capacitor in capacitance structure 10 is electrically connected on circuit board 20, circuit board 20 is passed through into the fixing pieces such as screw
It is mounted in first partition 31, at this point, circuit board 20 is located in the seal chamber 310, far from circuit board in the cover body and capacitor
The aperture that 20 end passes through in first partition 31 is stored to heat dissipation cavity 320, which is stuck in the aperture of first partition 31
Edge and between circuit board 20 and first partition 31, so that be electrically connected in the blade of a sword portion and capacitor with circuit board 20
End is stored to seal chamber 310, by circuit board 20 and first partition 31 to the squeezing action in blade of a sword portion to seal first partition
The one end being electrically connected in capacitor with circuit board 20 can be not only sealed in seal chamber 310 by the aperture on 31 in this way, be realized
Water proof and dust proof effect to capacitor, meanwhile, better seal also is carried out to seal chamber 310, the waterproof for improving electrical equipment 100 is anti-
Dirt grade.In addition, most of volume due to capacitance structure 10 is in heat dissipation cavity 320, heat caused by capacitor can lead to
It crosses capacitor cover and is transferred in heat dissipation cavity 320 and radiate, while ensure that the radiating requirements of capacitor, improve capacitance structure 10
Heat dissipation effect, extend the service life of capacitor.
In one embodiment, which further includes seam allowance, which is arranged in the end of the aperture of first partition 31
Extend in portion and to 310 side of seal chamber.Correspondingly, the surface contacted in the blade of a sword portion with first partition 31 is equipped with fluting, works as electricity
When road plate 20 is mounted in first partition 31, seam allowance is assembled in fluting, with circuit board 20 squeeze the blade of a sword portion when, by seam allowance with
Fluting cooperates to seal the aperture of first partition 31.
In one embodiment, which further includes second partition 32.The second partition 32 is arranged in heat dissipation cavity 320.
Correspondingly, which further includes protection department, which is arranged on the lateral wall of the end of the separate opening of cover body, should
Protection department and second partition 32 are used cooperatively to consolidate capacitance structure 10, improve the shock resistance of capacitance structure 10.
In one embodiment, which can also include other devices, example other than including above-mentioned component
Such as, as shown in figure 13, the electrical equipment 100 can also include radiator fan 40, insulated gate bipolar transistor (English name:
It InsulatedGateBipolarTransistor, referred to as: IGBT) 50 and radiates for insulated gate bipolar transistor 50
Radiator 60 etc..Air duct in heat dissipation cavity 320 uses exhausting wind-cooling heat dissipating mode, and radiator fan 40 is by outside air from air inlet
Mouth 321 is pumped into air ducts to take away the heat of the devices such as capacitance structure 10, and goes out from air outlet 322, completes to capacitance structure 10
The heat dissipation of equal devices.Simultaneously as capacitor is wrapped up by capacitor cover in heat dissipation cavity 320, so that the electricity in heat dissipation cavity 320
Appearance can have good water proof and dust proof effect.
Electrical equipment 100 in the present embodiment greatly changes due to using capacitance structure 10 provided by the utility model
The water proof and dust proof effect of the electrical equipment 100 has been apt to it, has improved the degree of protection of electrical equipment 100, has expanded the electrical equipment
100 adaptable environment and scene.It, not only can be in addition, since the structure of the capacitance structure 10 of the utility model is simple
The space of electrical equipment 100 is saved, the cost of manufacture of electrical equipment 100 is reduced, it is also possible that being placed in the capacitance structure 10
The accounting of part in heat dissipation cavity 320 increases, and increases the heat dissipation area of capacitor, enhances the heat dissipation effect of capacitor.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical
Novel protection scope should be subject to the protection scope in claims.
Claims (10)
1. a kind of capacitance structure characterized by comprising
Capacitor is electrically connected on circuit board, and
Capacitor cover, including cover body and blade of a sword portion, one end of the cover body are equipped with opening, and the blade of a sword portion is arranged in the cover body
Opening side end on and extend to the outside of the cover body, the cover body is for storing the capacitor；
Wherein, when the circuit board is mounted in the first partition of electrical equipment, the cover body and capacitor pass through described the
Aperture on one partition, and by the circuit board and first partition the squeezing action in the blade of a sword portion is sealed described first every
Aperture on plate.
2. capacitance structure according to claim 1, which is characterized in that the table contacted in the blade of a sword portion with the first partition
Face is planar structure or dentalation.
3. capacitance structure according to claim 1, which is characterized in that the table contacted in the blade of a sword portion with the first partition
Face is equipped with gum or fluting, wherein the fluting with the seam allowance of the first partition for being used cooperatively.
4. capacitance structure according to claim 1, which is characterized in that close to the end of the first partition in the blade of a sword portion
It is equipped with bayonet, the bayonet is for blocking the first partition.
5. capacitance structure according to claim 1, which is characterized in that the capacitor include capacitor ontology, metal shell and
Multiple legs；For the metal shell for wrapping up the capacitor ontology, one end of the metal shell is equipped with opening portion, described to open
Towards buckling parts is extended to form on the inside of the metal shell, the buckling parts is fastened in the capacitor ontology at the edge of oral area
It the edge of end face equipped with the leg and is protruded above from the capacitor ontology equipped with the end face of the leg.
6. capacitance structure according to claim 5, which is characterized in that the capacitance structure further includes insulating trip, described exhausted
Embolium is equipped with through-hole；When the insulating trip is mounted on the capacitor, the leg passes through the through-hole, so that described exhausted
Embolium is fastened on the end face equipped with the leg of the capacitor ontology and covers the buckling parts.
7. capacitance structure according to claim 5, which is characterized in that the capacitor cover further includes occlusion part, described to block
Portion is arranged on the opening side end of the cover body and extends to the inside of the cover body；Described in being accommodated in when the capacitor
When in cover body, the occlusion part covers the buckling parts.
8. capacitance structure according to claim 1, which is characterized in that the capacitor cover further includes protection department, the protection
Portion is arranged on the lateral wall of the end far from the opening of the cover body；The of the protection department and the electrical equipment
Two partitions are used cooperatively to consolidate the capacitance structure.
9. capacitance structure according to claim 1, which is characterized in that the capacitor cover is heat conductive silica gel capacitor cover.
10. a kind of electrical equipment, which is characterized in that including any one capacitance structure in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831970.6U CN208889482U (en) | 2018-11-07 | 2018-11-07 | A kind of capacitance structure and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831970.6U CN208889482U (en) | 2018-11-07 | 2018-11-07 | A kind of capacitance structure and electrical equipment |
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| Publication Number | Publication Date |
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| CN208889482U true CN208889482U (en) | 2019-05-21 |
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| CN201821831970.6U Active CN208889482U (en) | 2018-11-07 | 2018-11-07 | A kind of capacitance structure and electrical equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273256A (en) * | 2018-11-07 | 2019-01-25 | 深圳市英威腾电气股份有限公司 | A kind of capacitance structure and electrical equipment |
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2018
- 2018-11-07 CN CN201821831970.6U patent/CN208889482U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273256A (en) * | 2018-11-07 | 2019-01-25 | 深圳市英威腾电气股份有限公司 | A kind of capacitance structure and electrical equipment |
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