CN203706882U - Improved thin film capacitor - Google Patents

Improved thin film capacitor Download PDF

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Publication number
CN203706882U
CN203706882U CN201320847642.6U CN201320847642U CN203706882U CN 203706882 U CN203706882 U CN 203706882U CN 201320847642 U CN201320847642 U CN 201320847642U CN 203706882 U CN203706882 U CN 203706882U
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CN
China
Prior art keywords
fixed head
insulating case
film
leading
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320847642.6U
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Chinese (zh)
Inventor
郜源锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TONGLING YUANFENG ELECTRONIC CO Ltd
Original Assignee
TONGLING YUANFENG ELECTRONIC CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201320847642.6U priority Critical patent/CN203706882U/en
Application granted granted Critical
Publication of CN203706882U publication Critical patent/CN203706882U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an improved thin film capacitor. The improved thin film capacitor comprises a barrel-shaped thin film core, two leading-out terminals, two insulation sleeves and an outer shell. The barrel-shaped thin film core is formed by winding a thin film and comprises a rolling face arranged outside the thin film core, two annular faces arranged at the upper end and the lower end of the thin film core respectively, and a hollow portion arranged inside the thin film core. The two leading-out terminals are electrically connected with the positive electrode and the negative electrode of the thin film core respectively. The two insulation sleeves are used for fixing the two leading-out terminals respectively. The outer shell is used for wrapping the thin film core, and the two insulation sleeves are fixedly arranged on the outer shell. The outer shell is provided with a neck concave which is arranged above the annular face at the upper end of the thin film core. According to the improved thin film capacitor, air or other packing media between the two annular faces at the upper end and the lower end of the thin film core and the outer shell are reduced, and the radiating effect of the thin film capacitor is improved.

Description

A kind of improved film capacitor
Technical field
The utility model relates to a kind of improved film capacitor, belongs to film capacitor manufacturing technology field.
Background technology
Film capacitor of the prior art, due to the deficiency of heat dispersion, causes inefficacy ratio higher, unstable properties, and the life-span is short.Its reason is that film capacitor has certain heating power, and the film thermal conductivity of film capacitor is all poor, cause film capacitor heating more serious, film capacitor is worked for a long time within the scope of high-temperature, performance just cannot be guaranteed, and has increased the inefficacy ratio of thermal breakdown.In addition, also there is intraware bond strength lower problem conventionally in film capacitor of the prior art, installing and using in process, leading-out terminal is subject to that external force is pullled or lateral impact effect internal electrical just easily occurs connects situation about disconnecting, and causing film capacitor to be scrapped maybe needs to do over again.
Utility model content
The deficiency that the utility model exists for prior art just, provides a kind of improved film capacitor, can meet actual user demand.
For addressing the above problem, technical solution adopted in the utility model is as follows:
A kind of improved film capacitor, comprising:
One is coiled into the film fuse of tubbiness by film roll, and described core film attached bag is drawn together the face that rolls that is positioned at described film fuse outside, and lays respectively at two anchor rings of described film fuse upper and lower end, and is positioned at the hollow bulb of described film fuse inner side;
Two leading-out terminals that are electrically connected with described film fuse positive and negative electrode respectively;
Two are respectively used to fix the insulating case of two described leading-out terminals;
For wrapping up the shell of described film fuse, two described insulating cases are fixedly arranged on described shell; And described shell is provided with depressed neck part, described depressed neck part is positioned at the anchor ring top of described film fuse upper end.
As the improvement of technique scheme, described shell is also provided with axial region depression, and described axial region depression is positioned at the hollow bulb of described film fuse inner side.
As the improvement of technique scheme, described leading-out terminal comprises exit, link and conductive segment, described insulating case wraps up the conductive segment of described leading-out terminal, the exit of described leading-out terminal is positioned at described insulating case top and is positioned at outside described shell, and the link of described leading-out terminal is positioned at described insulating case bottom and is positioned at described shell.
As the improvement of technique scheme, also comprise insulating case fixed head and electrode fixed head, two described insulating cases are all fixedly arranged on described insulating case fixed head, described electrode fixed head is tubular and comprises sidewall and diapire, the diapire of described electrode fixed head is installed with two electric conductors, the upper end of two described electric conductors is all positioned at the diapire top of described electrode fixed head, and the upper end of two described electric conductors connects respectively the link of two described leading-out terminals.
As the improvement of technique scheme, the lower end of two described electric conductors is all positioned at the diapire below of described electrode fixed head, and the lower end of two described electric conductors is electrically connected with the positive and negative electrode of described film fuse respectively.
As the improvement of technique scheme, the edge of described insulating case fixed head is connected with the sidewall upper of described electrode fixed head, and the edge of described insulating case fixed head is fixedly arranged on the edge of described electrode fixed head by gluing mode.
As the improvement of technique scheme, also comprise anti-dumping support plate, described anti-dumping support plate is positioned at the below of described insulating case fixed head, and the bottom of two described insulating cases is all fixedly arranged on described anti-dumping support plate.
As the improvement of technique scheme, described insulating case is hourglass shape, and described insulating case comprises superposed upper tapering and the hypocone that is positioned at bottom, and the hypocone of described insulating case is fixedly arranged on described insulating case fixed head.Described hourglass shape refers to that two circular cone tops are interconnected to form the wide and narrow shape in middle part (waist) in top and bottom.
Compared with prior art, implementation result of the present utility model is as follows for the utility model:
The improved film capacitor of one described in the utility model, being provided with depressed neck part can make the anchor ring of described film fuse upper end the same as with the anchor ring of described film fuse lower end shell, thereby air or other filled medias between two anchor rings and the shell of described film fuse upper and lower end are reduced, because air or other filled medias have warming heat insulation side effect, therefore reduce air or other filled medias and can effectively improve the radiating effect of film capacitor; Due to the hollow bulb heat radiation difficulty of described film fuse inner side, therefore heat is gathered in herein in a large number, at the hollow bulb of described film fuse inner side, axial region depression is set and contributes to improve the radiating effect of this position.In addition, improved the bond strength of leading-out terminal and other intraware, when leading-out terminal is subject to, external force is pullled or lateral impact is done the used time, is not easy to occur internal electrical and connects situation about disconnecting.
Accompanying drawing explanation
Fig. 1 is critical piece mark schematic diagram in the improved film capacitor cross-section structure of one described in the utility model;
Fig. 2 is parts composition mark schematic diagram in the improved film capacitor cross-section structure of one described in the utility model;
Fig. 3 is the perspective view of a kind of improved film capacitor film fuse described in the utility model, insulating case fixed head and electrode fixed head.
Embodiment
Content of the present utility model is described below in conjunction with specific embodiments.
As shown in Figure 1 to Figure 3, be the improved thin film capacitor structure schematic diagram of one described in the utility model.The improved film capacitor of one described in the utility model, comprise: one is coiled into the film fuse 1 of tubbiness by film roll, described film fuse 1 comprises the face that rolls 11 that is positioned at described film fuse 1 outside, with two anchor rings 12 that lay respectively at described film fuse 1 upper and lower end, and be positioned at the hollow bulb 13 of described film fuse 1 inner side; Two leading-out terminals 2 that are electrically connected with described film fuse 1 positive and negative electrode respectively; Two are respectively used to fix the insulating case 3 of two described leading-out terminals 2; Be fixedly arranged on described shell 4 for 4, two the described insulating cases 3 of shell that wrap up described film fuse 1; And described shell 4 is provided with depressed neck part 41, described depressed neck part 41 is positioned at anchor ring 12 tops of described film fuse 1 upper end.Due to the poor thermal conductivity of described film fuse 1 its film own, but it is better to be coated on film metal conducting layer thermal conductivity, therefore described film fuse 1 is good in axial thermal conductivity, be on described film fuse 1, the heat that two anchor rings 12 of lower end distribute is large, being provided with depressed neck part 41 can make the anchor ring 12 of described film fuse 1 upper end the same as with the anchor ring 12 of described film fuse 1 lower end shell 4, thereby reduce on described film fuse 1, air or other filled medias between two anchor rings 12 and the shell of lower end, because air or other filled medias have warming heat insulation side effect, therefore reduce the radiating effect that air or other filled medias can improve film capacitor effectively.Further with improvement, described shell 4 is also provided with axial region depression 42, and described axial region depression 42 is positioned at the hollow bulb 13 of described film fuse 1 inner side.Due to the hollow bulb 13 heat radiation difficulties of described film fuse 1 inner side, therefore heat is gathered in herein in a large number, at the hollow bulb 13 of described film fuse 1 inner side, axial region depression 42 is set and contributes to improve the radiating effect of this position.
Further with improvement, described leading-out terminal 2 comprises exit 21, link 22 and conductive segment 23, described insulating case 3 wraps up the conductive segment 23 of described leading-out terminal 2, the exit 21 of described leading-out terminal 2 is positioned at described insulating case 3 tops and is positioned at outside described shell 4, and the link 22 of described leading-out terminal 2 is positioned at described insulating case 3 bottoms and is positioned at described shell 4.Described structure can improve the electrical insulation properties between leading-out terminal 2, is conducive to simplify the mounting structure of leading-out terminal 2, thereby avoids the negative effect of complicated mounting structure to capacitor heat dispersion.
Further with improvement, also comprise insulating case fixed head 5 and electrode fixed head 6, two described insulating cases 3 are all fixedly arranged on described insulating case fixed head 5, described electrode fixed head 6 is for tubular and comprise sidewall 61 and diapire 62, the diapire 62 of described electrode fixed head 6 is installed with two electric conductors 7, the upper end of two described electric conductors 7 is all positioned at diapire 62 tops of described electrode fixed head 6, and the upper end of two described electric conductors 7 connects respectively the link 22 of two described leading-out terminals 2.Described structure has installs effect easily, after direct-assembling, guarantees the electrical connection properties of described electric conductor 7 and described leading-out terminal 2, without welding by the deformation of two electric conductors 7.Again further, the lower end of two described electric conductors 7 is all positioned at diapire 62 belows of described electrode fixed head 6, and the lower end of two described electric conductors 7 is electrically connected with the positive and negative electrode of described film fuse 1 respectively.Described structure fully exposes the lower end of described electric conductor 7, is convenient to described electric conductor 7 and is electrically connected assembling or welding operation with the positive and negative electrode of described film fuse 1.Specifically preferably, the edge of described insulating case fixed head 5 is connected with sidewall 61 upper ends of described electrode fixed head 6, and the edge of described insulating case fixed head 5 is fixedly arranged on sidewall 61 upper ends of described electrode fixed head 6 by gluing mode.Described structure is quick for installation, and has good air-tightness, therefore can in described insulating case fixed head 5 and described electrode fixed head 6 form enclosure space, fill dielectric or heat conduction and heat radiation medium.Specifically preferably, also comprise anti-dumping support plate 8, described anti-dumping support plate 8 is positioned at the below of described insulating case fixed head 5, and the bottom of two described insulating cases 3 is all fixedly arranged on described anti-dumping support plate 8.Described structure can prevent that the run-off the straight under external force of described insulating case 3 from causing electrical connection to disconnect, and simple in structure, easy for installation, low cost of manufacture.Specifically preferably, described insulating case 3 is hourglass shape, and described insulating case 3 comprises superposed upper tapering 31 and the hypocone 32 that is positioned at bottom, and the hypocone 32 of described insulating case 3 is fixedly arranged on described insulating case fixed head 5.Described structure can prevent that described insulating case 3 from pushing lightly under effect and outwards mobilely to cause electrical connection to disconnect in external force.
Above content is the detailed description of in conjunction with specific embodiments the utility model being done, and can not assert that the concrete enforcement of the utility model only limits to these explanations.For the utility model person of ordinary skill in the field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to the scope of the utility model protection.

Claims (8)

1. an improved film capacitor, is characterized in that, comprising:
One is coiled into the film fuse (1) of tubbiness by film roll, described film fuse (1) comprises the face that rolls (11) that is positioned at described film fuse (1) outside, with two anchor rings (12) that lay respectively at described film fuse (1) upper and lower end, and be positioned at the hollow bulb (13) inside described film fuse (1);
Two leading-out terminals (2) that are electrically connected with described film fuse (1) positive and negative electrode respectively;
Two are respectively used to fix the insulating case (3) of two described leading-out terminals (2);
The shell (4) that is used for wrapping up described film fuse (1), two described insulating cases (3) are fixedly arranged on described shell (4); And described shell (4) is provided with depressed neck part (41), described depressed neck part (41) is positioned at anchor ring (12) top of described film fuse (1) upper end.
2. the improved film capacitor of one as claimed in claim 1, is characterized in that, described shell (4) is also provided with axial region depression (42), and described axial region depression (42) is positioned at the hollow bulb (13) of described film fuse (1) inner side.
3. the improved film capacitor of one as claimed in claim 1 or 2, it is characterized in that, described leading-out terminal (2) comprises exit (21), link (22) and conductive segment (23), described insulating case (3) wraps up the conductive segment (23) of described leading-out terminal (2), the exit (21) of described leading-out terminal (2) is positioned at described insulating case (3) top and is positioned at outside described shell (4), and the link (22) of described leading-out terminal (2) is positioned at described insulating case (3) bottom and is positioned at described shell (4).
4. the improved film capacitor of one as claimed in claim 3, it is characterized in that, also comprise insulating case fixed head (5) and electrode fixed head (6), two described insulating cases (3) are all fixedly arranged on described insulating case fixed head (5), described electrode fixed head (6) is for tubular and comprise sidewall (61) and diapire (62), the diapire (62) of described electrode fixed head (6) is installed with two electric conductors (7), the upper end of two described electric conductors (7) is all positioned at diapire (62) top of described electrode fixed head (6), and the upper end of two described electric conductors (7) connects respectively the link (22) of two described leading-out terminals (2).
5. the improved film capacitor of one as claimed in claim 4, it is characterized in that, the lower end of two described electric conductors (7) is all positioned at diapire (62) below of described electrode fixed head (6), and the lower end of two described electric conductors (7) is electrically connected with the positive and negative electrode of described film fuse (1) respectively.
6. the improved film capacitor of one as claimed in claim 4, it is characterized in that, the edge of described insulating case fixed head (5) is connected with sidewall (61) upper end of described electrode fixed head (6), and the edge of described insulating case fixed head (5) is fixedly arranged on sidewall (61) upper end of described electrode fixed head (6) by gluing mode.
7. the improved film capacitor of one as claimed in claim 4, it is characterized in that, also comprise anti-dumping support plate (8), described anti-dumping support plate (8) is positioned at the below of described insulating case fixed head (5), and the bottom of two described insulating cases (3) is all fixedly arranged on described anti-dumping support plate (8).
8. the improved film capacitor of one as claimed in claim 4, it is characterized in that, described insulating case (3) is hourglass shape, described insulating case (3) comprises superposed upper tapering (31) and is positioned at the hypocone (32) of bottom, and the hypocone (32) of described insulating case (3) is fixedly arranged on described insulating case fixed head (5).
CN201320847642.6U 2013-12-21 2013-12-21 Improved thin film capacitor Expired - Fee Related CN203706882U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320847642.6U CN203706882U (en) 2013-12-21 2013-12-21 Improved thin film capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320847642.6U CN203706882U (en) 2013-12-21 2013-12-21 Improved thin film capacitor

Publications (1)

Publication Number Publication Date
CN203706882U true CN203706882U (en) 2014-07-09

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103680956A (en) * 2013-12-21 2014-03-26 铜陵源丰电子有限责任公司 Improved thin film capacitor
CN105810434A (en) * 2015-07-07 2016-07-27 扬州凯普电子有限公司 Novel thin high voltage large power membrane capacitor stem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103680956A (en) * 2013-12-21 2014-03-26 铜陵源丰电子有限责任公司 Improved thin film capacitor
CN105810434A (en) * 2015-07-07 2016-07-27 扬州凯普电子有限公司 Novel thin high voltage large power membrane capacitor stem

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140709

Termination date: 20151221