CN214312953U - Small-sized high-voltage impact-resistant film capacitor - Google Patents
Small-sized high-voltage impact-resistant film capacitor Download PDFInfo
- Publication number
- CN214312953U CN214312953U CN202120202462.7U CN202120202462U CN214312953U CN 214312953 U CN214312953 U CN 214312953U CN 202120202462 U CN202120202462 U CN 202120202462U CN 214312953 U CN214312953 U CN 214312953U
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- Prior art keywords
- inner core
- film capacitor
- capacitor
- resistant film
- small
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- 239000003990 capacitor Substances 0.000 title claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 13
- 229920000728 polyester Polymers 0.000 abstract description 8
- 239000004020 conductor Substances 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 3
- 239000010409 thin film Substances 0.000 abstract description 3
- 230000001939 inductive effect Effects 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
Images
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses a small-size high pressure shock-resistant film capacitor, including outside housing with set up in the inside inner core of outside housing, the inner core both ends are equipped with the contact layer that is used for being connected with external conductor, and the contact layer is 2 layers at least, the inner core outside is equipped with the serial-type metal film. The utility model provides a polyester among the prior art have the problem of short circuit or the phenomenon of opening a way that appears in the easy high-pressure impact's of thin film capacitor application.
Description
Technical Field
The utility model relates to an electronic components field, in particular to small-size high pressure impact-resistant film capacitor.
Background
Two conductors which are close to each other, with a non-conductive insulating medium in between, constitute a capacitor. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge. The capacitance of the capacitor is numerically equal to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance of a capacitor is farad (F). Capacitors play an important role in circuits such as tuning, bypassing, coupling, filtering, etc. The tuning circuit of the transistor radio is used, and the coupling circuit, the bypass circuit and the like of the color television are also used. In the prior art, polyester film capacitors are susceptible to short circuit or open circuit during high voltage impact. Therefore, the technical scheme provides a small high-voltage impact-resistant film capacitor which can avoid the short circuit or open circuit phenomenon of the polyester noninductive capacitor caused by poor welding point contact.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the main object of the present invention is to provide a small high voltage impact-resistant film capacitor, which aims to solve the problem of short circuit or open circuit phenomenon in the application process of polyester inductive film capacitor in the prior art.
In order to achieve the above object, the utility model provides a small-size high pressure impact-resistant film capacitor, including outside housing and set up in the inside inner core of outside housing, the inner core both ends are equipped with the contact layer that is used for being connected with external conductor, and the contact layer is 2 layers at least, and the inner core outside is equipped with the serial-type metallic membrane.
In one embodiment, the outer casing has an inner cavity and a flame-retardant epoxy resin shell is filled between the inner cavity and the outer casing.
In one embodiment, the outer casing is a flame retardant plastic box.
In one embodiment, the contact layer and the wires are connected in a face-to-face fit manner.
The utility model has the advantages as follows:
the small high-voltage impact-resistant film capacitor provided by the technical scheme can avoid the short circuit or open circuit phenomenon of the polyester noninductive capacitor caused by poor welding point contact.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic sectional structure diagram of the outer housing, the inner core and each component of the present invention.
Fig. 2 is a schematic diagram of the positions of the tandem metal film and the contact layer of the inner core according to the present invention.
[ list of reference numerals for main parts/components ]
| Reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
20 | Contact layer |
| 10 | Flame-proof |
21 | |
| 2 | |
3 | Conducting wire |
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (e.g., upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific state (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral molding; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Example 1:
referring to fig. 1 to 2, a small-sized high-voltage impact-resistant film capacitor includes an outer housing 1 and an inner core 2 disposed inside the outer housing 1, contact layers 20 for connecting with an external wire 3 are disposed at two ends of the inner core 2, the contact layers 20 are at least 2 layers, and a serial metal film 21 is disposed outside the inner core 2.
Under high voltage impact, the capacitance change of the capacitor is less than 2 percent and the loss value change is less than 3 per thousand. The capacitor solves the fatal short circuit and open circuit phenomena of the polyester inductive capacitor. The voltage shock resistance of the capacitor is improved, and the capacitor is not easy to be damaged by instant voltage shock under special conditions. The flame-proof shell protects the thin film, so that the service life of the capacitor is prolonged.
Referring to fig. 1, preferably, the outer casing 1 is filled with a flame-retardant epoxy resin case 10 in an inner cavity thereof and an inner core 2.
Referring to fig. 1, preferably, the outer casing 1 is a flame retardant plastic box.
The flame-proof shell protects the thin film, so that the service life of the capacitor is prolonged.
Referring to fig. 1, the contact layer 20 and the lead 3 are preferably connected in a face-to-face fit manner.
The capacitor inner pin is in contact with the capacitor conductor, and the surface replaces point contact. The voltage-resistant stamping and charging and discharging capability is greatly improved, and the fatal short circuit and open circuit phenomena of the polyester inductive capacitor are solved.
The working principle of the utility model is as follows:
according to the capacitor provided by the technical scheme, a single parallel general structure of polyester is replaced by a multi-series structure; the inner pin of the capacitor is contacted with the conductor of the capacitor, and the surface replaces point contact; under high voltage impact, the capacitance change of the capacitor is less than 2 percent and the loss value change is less than 3 thousandth; the capacitor solves the fatal short circuit and open circuit phenomena of the polyester inductive capacitor; the service life of the capacitor is prolonged.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (4)
1. The small high-voltage impact-resistant film capacitor is characterized by comprising an outer housing and an inner core arranged in the outer housing, wherein contact layers used for being connected with an external lead are arranged at two ends of the inner core, the contact layers are at least 2 layers, and a serial metal film is arranged outside the inner core.
2. The miniature high voltage impact resistant film capacitor of claim 1 wherein said outer casing inner cavity and said inner core are filled with a flame retardant epoxy shell.
3. A small size high voltage impact resistant film capacitor as claimed in claim 1, wherein said outer case is a flame retardant plastic box.
4. The miniature hpcf film capacitor of claim 1 wherein said contact layer is attached to said leads in a face-to-face abutting manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120202462.7U CN214312953U (en) | 2021-01-25 | 2021-01-25 | Small-sized high-voltage impact-resistant film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120202462.7U CN214312953U (en) | 2021-01-25 | 2021-01-25 | Small-sized high-voltage impact-resistant film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214312953U true CN214312953U (en) | 2021-09-28 |
Family
ID=77830206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120202462.7U Active CN214312953U (en) | 2021-01-25 | 2021-01-25 | Small-sized high-voltage impact-resistant film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214312953U (en) |
-
2021
- 2021-01-25 CN CN202120202462.7U patent/CN214312953U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240129 Address after: 431699 No. 53, Wenchang Avenue, High-tech Industrial Development Zone, Xiaogan City, Hubei Province Patentee after: Hubei Jinghao Electronic Technology Co.,Ltd. Country or region after: China Address before: No. 8000, No. 514, xinmeihu street, Guangming District, Guangdong Province Patentee before: SHENZHEN JINGHAO CAPACITOR Co.,Ltd. Country or region before: China |