CN207425633U - A kind of high-frequency coupling thin-film capacitor - Google Patents
A kind of high-frequency coupling thin-film capacitor Download PDFInfo
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- CN207425633U CN207425633U CN201721368678.0U CN201721368678U CN207425633U CN 207425633 U CN207425633 U CN 207425633U CN 201721368678 U CN201721368678 U CN 201721368678U CN 207425633 U CN207425633 U CN 207425633U
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- seat leg
- anode
- cathode
- guide post
- pin
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Abstract
The utility model discloses a kind of high-frequency coupling thin-film capacitors, including capacitance housing, anode seat leg and anode guide post, heat dissipation screen is provided on the inside of the capacitance housing, the right side upper surface of the capacitance housing is provided with cathode seat leg, the uper side surface of the cathode seat leg is provided with negative pin, and the anode seat leg is mounted on the uper side surface of capacitance housing close to the left side of cathode seat leg；Pin seat leg is arranged in capacitor pin, not only add the connection reliability of pin, and the contact between pin seat leg and circuit board can be passed through, it will be in the heat transmission that capacitance generates to battery plate, and metal foil cooling fin is provided on the outside of the metal foil under deielectric-coating, the contact area between air is increased with heat dissipation screen mutual cooperation, the quick dissipation of heat that can generate deielectric-coating, it ensure that capacitor dielectric keeps good dielectric property under the action of high-frequency alternating current, so as to ensure the work efficiency of capacitance.
Description
Technical field
The utility model belongs to technical field of electronic devices, and in particular to a kind of high-frequency coupling thin-film capacitor.
Background technology
Thin film capacitor can be divided into two major class of direct current thin film capacitor and AC diaphragm capacitor：Direct current thin film capacitor is
Refer to the thin film capacitor being operated in in the circuit of DC power supply power supply, general class can be divided into, inhibit powered electromagnetic interference class, arteries and veins
Rush four class of class and accurate class；AC diaphragm capacitor refers to the thin film capacitor being operated in the circuit powered with AC power,
Divide motor start-up operation, power factor compensation etc. by function.
High frequency ac signal merging is transferred to next stage circuit by original thin-film capacitor, as the company between two circuits
It connects, since high frequency electric constantly changes in capacitance, makes to generate amount of heat between electrode dielectric, be easy to cause capacitor dielectric property
It changes, even results in medium and punctured by electric current, damage capacitance.
Utility model content
The purpose of this utility model is to provide a kind of high-frequency coupling thin-film capacitor, to solve to propose in above-mentioned background technology
Original thin-film capacitor high frequency ac signal merging is transferred to next stage circuit, as the connection between two circuits, by
Constantly change in capacitance in high frequency electric, make to generate amount of heat between electrode dielectric, be easy to cause the generation of capacitor dielectric property
The problem of variation, even results in medium and is punctured by electric current, damage capacitance.
To achieve the above object, the utility model provides following technical solution：A kind of high-frequency coupling thin-film capacitor, including electricity
Hold housing, anode seat leg and anode guide post, heat dissipation screen, the right side of the capacitance housing are provided on the inside of the capacitance housing
Upper surface is provided with cathode seat leg, and the uper side surface of the cathode seat leg is provided with negative pin, and the anode seat leg is mounted on
The uper side surface of capacitance housing is provided with anode pin, the electricity on the upside of the left side of cathode seat leg, the anode seat leg
The inside for holding housing is provided with cathode guide post on the downside of cathode seat leg, and the outside of the cathode guide post is close to heat dissipation screen
Inside is provided with metal foil cooling fin, and neonychium, the centre position of the cathode seat leg are provided on the downside of the cathode guide post
Place is provided with seat leg card slot on the upside of capacitance housing, and the middle position of the negative pin is provided with pin string holes, institute
The downside surface that anode guide post is mounted on anode seat leg is stated, the inner surface of the anode guide post is provided with positive electrode metallic foil, institute
It states and anode deielectric-coating is provided on the upside of positive electrode metallic foil, the left side of the positive electrode metallic foil is set close to the inside of anode guide post
There is metal foil fixed seat, the inner surface of the cathode guide post is provided with negative electrode metallic foil, is set on the upside of the negative electrode metallic foil
Cathode deielectric-coating is equipped with, card slot is provided on the downside of the anode guide post, protective film is provided on the inside of the card slot, it is described to draw
Payment to a porter hole is electrically connected with external power supply.
Preferably, be fixedly connected between the anode seat leg and capacitance housing by seat leg card slot, the cathode seat leg with
It is fixedly connected between capacitance housing by seat leg card slot, the anode seat leg is larger compared to cathode seat leg cross-sectional area.
Preferably, the metal foil cooling fin is provided with ten altogether, and six of which metal foil cooling fin is mounted on cathode gold
Close to the inside of heat dissipation screen, four additional metal foil cooling fin is mounted on the outside of positive electrode metallic foil close to scattered in the outside of category paper tinsel
The inside of hot screen.
Preferably, it is fixedly connected between the positive electrode metallic foil and anode guide post by metal foil fixed seat, the cathode
It is fixedly connected between metal foil and cathode guide post by metal foil fixed seat, the positive electrode metallic foil is respectively provided with negative electrode metallic foil
Waviness shape.
Preferably, be fixedly connected between the anode pin and anode guide post by anode seat leg, the negative pin with
It is fixedly connected between cathode guide post by cathode seat leg.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
It is convenient, pin seat leg is arranged in capacitor pin, the connection reliability of pin is not only added, and pin seat can be passed through
Contact between foot and circuit board by the heat transmission that capacitance generates on battery plate, and is set on the outside of the metal foil under deielectric-coating
Metal foil cooling fin is equipped with, the contact area between air is increased with heat dissipation screen mutual cooperation, deielectric-coating can be generated
The quick dissipation of heat, ensure that capacitor dielectric keeps good dielectric property under the action of high-frequency alternating current, so as to ensure
The work efficiency of capacitance.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the side structure schematic view of the utility model；
Fig. 3 is the cathode guide pillar structure schematic diagram of the utility model；
In figure：1- capacitances housing, 2- anodes seat leg, 3- anodes pin, 4- negative pins, 5- cathode seat leg, 6- heat dissipation grid
Plate, 7- cathode guide post, 8- seat legs card slot, 9- pins string holes, 10- metal foils cooling fin, 11- neonychiums, 12- metal foils are fixed
Seat, 13- positive electrode metallic foils, 14- anodes guide post, 15- negative electrode metallic foils, 16- cathode deielectric-coating, 17- anodes deielectric-coating, 18- are protected
Cuticula, 19- card slots.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of high-frequency coupling thin-film capacitor, including capacitance
Housing 1, anode seat leg 2 and anode guide post 14, the inside of capacitance housing 1 are provided with heat dissipation screen 6, on the right side of capacitance housing 1
Surface is provided with cathode seat leg 5, and the uper side surface of cathode seat leg 5 is provided with negative pin 4, and anode seat leg 2 is mounted on capacitance shell
For the uper side surface of body 1 close to the left side of cathode seat leg 5, the upside of anode seat leg 2 is provided with anode pin 3, capacitance housing 1 it is interior
Portion is provided with cathode guide post 7 close to the downside of cathode seat leg 5, and the outside of cathode guide post 7 is provided with close to the inside of heat dissipation screen 6
Metal foil cooling fin 10, the downside of cathode guide post 7 are provided with neonychium 11, and the middle position of cathode seat leg 5 is close to capacitance shell
The upside of body 1 is provided with seat leg card slot 8, and the middle position of negative pin 4 is provided with pin string holes 9, and anode guide post 14 is installed
In the downside surface of anode seat leg 2, the inner surface of anode guide post 14 is provided with positive electrode metallic foil 13, positive electrode metallic foil 13 it is upper
Side is provided with anode deielectric-coating 17, and the left side of positive electrode metallic foil 13 is internally provided with metal foil fixed seat close to anode guide post 14
12, the inner surface of cathode guide post 7 is provided with negative electrode metallic foil 15, and the upside of negative electrode metallic foil 15 is provided with cathode deielectric-coating
16, the downside of anode guide post 14 is provided with card slot 19, and the inside of card slot 19 is provided with protective film 18, pin string holes 9 and external electrical
Source is electrically connected.
In order to enable being transferred heat to by capacitor pin on battery plate, and ensure the reliability of pin connection, this implementation
In example, it is preferred that be fixedly connected between anode seat leg 2 and capacitance housing 1 by seat leg card slot 8, cathode seat leg 5 and capacitance housing
It is fixedly connected between 1 by seat leg card slot 8, anode seat leg 2 is larger compared to 5 area of cathode seat leg.
In order to enable the convenient contact area for increasing internal heating element and air by the screen 6 that radiates, carries out capacitance
Radiating treatment, in the present embodiment, it is preferred that metal foil cooling fin 10 is provided with ten altogether, six of which metal foil cooling fin 10
Mounted on the outside of negative electrode metallic foil 15 close to the inside of heat dissipation screen 6, four additional metal foil cooling fin 10 is mounted on anode
The outside of metal foil 13 is close to the inside of heat dissipation screen 6.
In order to enable convenient radiate to metal foil in capacitance, what guarantee capacitor used in high-frequency coupling operation can
By property, in the present embodiment, it is preferred that pass through metal foil fixed seat 12 between positive electrode metallic foil 13 and anode guide post 14 and fix and connect
It connects, is fixedly connected between negative electrode metallic foil 15 and cathode guide post 7 by metal foil fixed seat 12, positive electrode metallic foil 13 and cathode gold
Belong to paper tinsel 15 and be respectively provided with waviness shape.
In order to enable ensure the reliability connected between pin and capacitance, ensure the service life of capacitance, in the present embodiment,
Preferably, be fixedly connected between anode pin 3 and anode guide post 14 by anode seat leg 2, negative pin 4 and cathode guide post 7 it
Between be fixedly connected by cathode seat leg 5.
The operation principle and process for using of the utility model：After the utility model installs, by anode pin 3 and cathode
Pin 4 is welded to by scolding tin on circuit board, when capacitance carries out coupling operation, between cathode guide post 7 and anode guide post 14
Voltage constantly changes, and the voltage of 17 both sides of cathode deielectric-coating 16 and anode deielectric-coating between guide post constantly changes, so as to produce
Raw amount of heat, heat transfer heat to metal foil by the intermembranous positive electrode metallic foil 13 of medium and negative electrode metallic foil 15 and radiate
On piece 10, the heat to radiate on screen 6 is taken away by the air of flowing, anode is transferred heat to additionally by electrode guide post
On seat leg 2 and cathode seat leg 5, heat is imported in circuit board, so as to ensure the efficient operation of capacitance.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of high-frequency coupling thin-film capacitor, including capacitance housing (1), anode seat leg (2) and anode guide post (14), feature exists
In：Heat dissipation screen (6) is provided on the inside of the capacitance housing (1), the right side upper surface of the capacitance housing (1) is provided with negative
Electrode seat foot (5), the uper side surface of the cathode seat leg (5) are provided with negative pin (4), and the anode seat leg (2) is mounted on electricity
The uper side surface for holding housing (1) is provided with anode pin on the upside of the left side of cathode seat leg (5), the anode seat leg (2)
(3), the inside of the capacitance housing (1) is provided with cathode guide post (7), the cathode guide post on the downside of cathode seat leg (5)
(7) outside is provided with metal foil cooling fin (10) on the inside of heat dissipation screen (6), is set on the downside of the cathode guide post (7)
Neonychium (11) is equipped with, the middle position of the cathode seat leg (5) is provided with seat leg card slot on the upside of capacitance housing (1)
(8), the middle position of the negative pin (4) is provided with pin string holes (9), and the anode guide post (14) is mounted on positive electrode seat
The downside surface of foot (2), the inner surface of the anode guide post (14) are provided with positive electrode metallic foil (13), the positive electrode metallic foil
(13) anode deielectric-coating (17) is provided on the upside of, the left side of the positive electrode metallic foil (13) is close to the inside of anode guide post (14)
Metal foil fixed seat (12) is provided with, the inner surface of the cathode guide post (7) is provided with negative electrode metallic foil (15), the cathode
Cathode deielectric-coating (16) is provided on the upside of metal foil (15), card slot (19), institute are provided on the downside of the anode guide post (14)
It states and protective film (18) is provided on the inside of card slot (19), the pin string holes (9) is electrically connected with external power supply.
2. a kind of high-frequency coupling thin-film capacitor according to claim 1, it is characterised in that：The anode seat leg (2) and electricity
It is fixedly connected between appearance housing (1) by seat leg card slot (8), passes through seat leg between the cathode seat leg (5) and capacitance housing (1)
Card slot (8) is fixedly connected, and the anode seat leg (2) is larger compared to cathode seat leg (5) cross-sectional area.
3. a kind of high-frequency coupling thin-film capacitor according to claim 1, it is characterised in that：The metal foil cooling fin (10)
Ten are provided with altogether, and six of which metal foil cooling fin (10) is mounted on the outside of negative electrode metallic foil (15) close to heat dissipation screen
(6) inside, four additional metal foil cooling fin (10) are mounted on the outside of positive electrode metallic foil (13) close to heat dissipation screen (6)
Inside.
4. a kind of high-frequency coupling thin-film capacitor according to claim 1, it is characterised in that：The positive electrode metallic foil (13) with
It is fixedly connected between anode guide post (14) by metal foil fixed seat (12), the negative electrode metallic foil (15) and cathode guide post (7)
Between be fixedly connected by metal foil fixed seat (12), the positive electrode metallic foil (13) and negative electrode metallic foil (15) are all provided with being set to ripple
Shape wave shape.
5. a kind of high-frequency coupling thin-film capacitor according to claim 1, it is characterised in that：The anode pin (3) with just
It is fixedly connected between pole guide post (14) by anode seat leg (2), by negative between the negative pin (4) and cathode guide post (7)
Electrode seat foot (5) is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368678.0U CN207425633U (en) | 2017-10-23 | 2017-10-23 | A kind of high-frequency coupling thin-film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368678.0U CN207425633U (en) | 2017-10-23 | 2017-10-23 | A kind of high-frequency coupling thin-film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425633U true CN207425633U (en) | 2018-05-29 |
Family
ID=62312396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721368678.0U Active CN207425633U (en) | 2017-10-23 | 2017-10-23 | A kind of high-frequency coupling thin-film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425633U (en) |
-
2017
- 2017-10-23 CN CN201721368678.0U patent/CN207425633U/en active Active
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