CN212277022U - Power electronic film capacitor for variable frequency and variable current - Google Patents
Power electronic film capacitor for variable frequency and variable current Download PDFInfo
- Publication number
- CN212277022U CN212277022U CN202020001498.4U CN202020001498U CN212277022U CN 212277022 U CN212277022 U CN 212277022U CN 202020001498 U CN202020001498 U CN 202020001498U CN 212277022 U CN212277022 U CN 212277022U
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Abstract
The utility model discloses a power electronic film capacitor for variable frequency and variable current, which comprises a capacitor shell, wherein a capacitor core body is arranged in the capacitor shell; the left side end and the right side end of the capacitor core body are connected with the positive electrode and the negative electrode through the guide wire body, the outer peripheral end of the capacitor core body is provided with a heat dissipation reinforcing layer, and the left side end and the right side end of the capacitor core body are provided with a heat dissipation through groove net layer; a sealing glue filling layer is arranged between the outer end of the heat dissipation reinforcing layer and the capacitor shell; the sealing glue filling layer and the lower bottom cover are positioned and installed through the left and right end connecting convex notches; a safety mechanism frame is arranged between the insulating layer plate and the upper cover body, wherein the insulating layer plate is correspondingly arranged between the positive electrode and the negative electrode; the upper end of the radiating through groove net layer is provided with a mounting hole; the utility model relates to a frequency conversion is electronic film capacitor for current has good project organization, has had good thermal diffusivity when having ensured the whole security of condenser, and the frequency conversion debugging range of the voltage and current of corresponding anti frequency conversion is great, and its practicality is good, and long service life is fit for extensively promoting.
Description
Technical Field
The utility model relates to a power electronic film capacitor, in particular to a power electronic film capacitor for variable frequency and variable current; belongs to the technical field of electronic appliance production.
Background
The film capacitor for frequency conversion and current conversion has the advantages that the instantaneous frequency of the current in the switching process is higher due to the voltage, the instability exists in the using process, the relative voltage drop is larger, the frequency conversion critical point of the fine tuning capacitor is influenced, and the phenomenon of damage or short circuit is caused, so that the maximum gap value of the resonance frequency needs to be reserved besides the adjustment, the use safety and the service life are ensured, in addition, the film capacitor has small volume, the control of the operation temperature of the film capacitor needs to be ensured in the aspects of the heat dissipation structure design and the material application which are adaptive to the environment and influence the self, and the damage to the capacitor and the connecting electrons is reduced.
Disclosure of Invention
Technical problem to be solved
In order to solve the above problem, the utility model provides a power electronic film capacitor is used to frequency conversion current transformation.
(II) technical scheme
The utility model discloses a power electronic film capacitor for variable frequency and variable current, which comprises a capacitor shell, wherein a capacitor core body is arranged in the capacitor shell; the left side end and the right side end of the capacitor core body are connected with the positive electrode and the negative electrode through the guide wire body, the outer peripheral end of the capacitor core body is provided with a heat dissipation reinforcing layer, and the left side end and the right side end of the capacitor core body are provided with a heat dissipation through groove net layer; a sealing glue filling layer is arranged between the outer end of the heat dissipation reinforcing layer and the capacitor shell; the sealing glue filling layer and the lower bottom cover are positioned and installed through the left and right end connecting convex notches; a safety mechanism frame is arranged between the insulating layer plate and the upper cover body, wherein the insulating layer plate is correspondingly arranged between the positive electrode and the negative electrode; and the upper end of the radiating through groove net layer is provided with a mounting hole.
Furthermore, the capacitor core body is formed by superposing and winding a metalized film layer and a polytetrafluoroethylene film to form an oval long flat structure through hydraulic pressure, and a sealing glue filling layer which takes polyester as a material is adopted together with the upper and lower vacant arc-shaped structures of the heat dissipation reinforcing layer.
Furthermore, the heat dissipation reinforcing layer is wrapped inside the wire body on the left and right sides, and a heat conduction zinc-aluminum thin plate layer is arranged between the heat dissipation reinforcing layer and the heat dissipation through groove net layer.
Furthermore, the integral capacitor shell is made of ceramics, the insulating laminate and the lower bottom cover are made of hard resin plates and are fastened with the connecting convex notches and the mounting holes through inner bolts, and the safety mechanism frame and the upper cover body are provided with terminal hole grooves matched with positive and negative electrodes.
Furthermore, the heat dissipation through groove net layer is of a structure that upper and lower ceramic heat dissipation sheets wrap and extend a heat conduction zinc-aluminum thin plate layer, a gap of 1-2 mm is arranged between the heat dissipation through groove net layer and polyester filling layers are annularly arranged outside the two sides of the heat dissipation through groove net layer.
(III) advantageous effects
Compared with the prior art, the utility model, it has following beneficial effect: the utility model discloses a power electronic film capacitor is used in frequency conversion unsteady flow has good project organization, has possessed good thermal diffusivity when having ensured the whole security of condenser, and the frequency conversion debugging range of the voltage and current of corresponding anti frequency conversion unsteady flow is great, and its practicality is good, and long service life is fit for extensively promoting.
Drawings
Fig. 1 is a schematic view of the structure of the axle-measuring partial section of the present invention.
1-a capacitor housing; 2-sealing glue filling layer; 3-lower bottom cover; 4-a capacitive core; 5-a lead wire body; 6-heat dissipation through groove net layer; 7-heat dissipation reinforcing layer; 8-connecting the male notch; 9-mounting holes; 10-insulating layer plate 11-positive and negative electrodes; 12-a safety framework; 13-upper cover body; 14-heat conducting zinc-aluminum thin plate layer.
Detailed Description
The electronic film capacitor for variable frequency and variable current power shown in the attached figure comprises a capacitor shell 1, a capacitor core 4 and a capacitor core body, wherein the capacitor core body is arranged in the capacitor shell; the left side end and the right side end of the capacitor core body 4 are connected with a positive electrode 11 and a negative electrode 11 through lead bodies 5, the peripheral end of the capacitor core body is provided with a heat dissipation reinforcing layer 7, and the left side end and the right side end of the capacitor core body are provided with a heat dissipation through groove net layer 6; a sealing glue filling layer 2 is arranged between the outer end of the heat dissipation reinforcing layer 7 and the capacitor shell 1; the sealing compound filling layer 2 and the lower bottom cover 3 are positioned and installed through the left and right end connecting convex notches 8; a safety mechanism frame 12 is arranged between the insulating layer plate 10 and the upper cover body 13, wherein the insulating layer plate is correspondingly arranged on the positive electrode 11 and the negative electrode 11; and the upper end of the heat dissipation through groove net layer 6 is provided with a mounting hole 9.
The capacitor core body 4 is formed by superposing and winding a metalized film layer and a polytetrafluoroethylene film, is formed into an oval long flat structure by hydraulic pressure, and adopts a sealing glue filling layer 2 made of polyester as a material together with an upper and lower vacant arc-shaped structure of the heat dissipation reinforcing layer 7; the heat dissipation reinforcing layer 7 is wrapped inside the lead wire body 5 on the left and right sides, and a heat conduction zinc-aluminum thin plate layer 14 is arranged between the heat dissipation reinforcing layer and the heat dissipation through groove net layer 6; the integral capacitor shell 1 is made of ceramics, the insulating layer plate 10 and the lower bottom cover 3 are made of hard resin plates and are fastened with the connecting convex notches 8 and the mounting holes 9 through inner bolts, and the safety mechanism frame 12 and the upper cover body 13 are both provided with terminal hole grooves matched with positive and negative electrodes 11; the heat dissipation through groove net layer 6 is of a structure that upper and lower ceramic heat dissipation sheets wrap and extend a heat conduction zinc-aluminum thin plate layer 14, a gap of 1-2 mm is arranged between the heat dissipation through groove net layer and the heat conduction zinc-aluminum thin plate layer, and polyester filling layers are annularly arranged outside the two sides of the heat dissipation through groove net layer.
The utility model discloses a power electronic film capacitor is used in frequency conversion unsteady flow has good project organization, has possessed good thermal diffusivity when having ensured the whole security of condenser, and the frequency conversion debugging range of the voltage and current of corresponding anti frequency conversion unsteady flow is great, and its practicality is good, and long service life is fit for extensively promoting.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (5)
1. A power electronic film capacitor for variable frequency and variable current is characterized in that: comprises a capacitor shell (1) in which a capacitor core (4) is arranged; the left side end and the right side end of the capacitor core body (4) are connected with a positive electrode (11) and a negative electrode (11) through lead bodies (5), the outer peripheral end is provided with a heat dissipation reinforcing layer (7), and the left side and the right side of the heat dissipation reinforcing layer are provided with a heat dissipation through groove net layer (6); a sealing glue filling layer (2) is arranged between the outer end of the heat dissipation reinforcing layer (7) and the capacitor shell (1); the sealing glue filling layer (2) and the lower bottom cover (3) are positioned and installed through the left end and the right end connecting convex notches (8); a safety mechanism frame (12) is arranged between an insulating laminate (10) and an upper cover body (13), wherein the insulating laminate (10) is correspondingly arranged on the positive electrode and the negative electrode (11); and the upper end of the heat dissipation through groove net layer (6) is provided with a mounting hole (9).
2. The variable frequency variable current power electronic film capacitor of claim 1, wherein: the capacitor core body (4) is formed by superposing and winding a metalized film layer and a polytetrafluoroethylene film into an oval long flat structure through hydraulic pressure, and a sealing glue filling layer (2) made of polyester is adopted in an upper and lower vacant arc-shaped structure of the capacitor core body and the heat dissipation reinforcing layer (7).
3. The variable frequency variable current power electronic film capacitor of claim 1, wherein: the heat dissipation reinforcing layer (7) is wrapped with the lead wire bodies (5) on the left and right sides inside, and a heat conduction zinc-aluminum thin plate layer (14) is arranged between the heat dissipation reinforcing layer and the heat dissipation through groove net layer (6).
4. The variable frequency variable current power electronic film capacitor of claim 1, wherein: the integral capacitor shell (1) is made of ceramics, the insulating laminate (10) and the lower bottom cover (3) are made of hard resin plates and are fastened with the connecting convex notches (8) and the mounting holes (9) through inner bolts, and the safety mechanism frame (12) and the upper cover body (13) are provided with terminal hole grooves matched with positive and negative electrodes (11).
5. The variable frequency variable current power electronic film capacitor of claim 1, wherein: the heat dissipation through groove net layer (6) is of a structure that upper and lower ceramic heat dissipation sheets wrap and extend a heat conduction zinc-aluminum thin plate layer (14), a gap of 1-2 mm is arranged between the heat dissipation through groove net layer and the heat conduction zinc-aluminum thin plate layer, and polyester filling layers are annularly arranged outside the two sides of the heat dissipation through groove net layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001498.4U CN212277022U (en) | 2020-01-02 | 2020-01-02 | Power electronic film capacitor for variable frequency and variable current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020001498.4U CN212277022U (en) | 2020-01-02 | 2020-01-02 | Power electronic film capacitor for variable frequency and variable current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212277022U true CN212277022U (en) | 2021-01-01 |
Family
ID=73872766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020001498.4U Expired - Fee Related CN212277022U (en) | 2020-01-02 | 2020-01-02 | Power electronic film capacitor for variable frequency and variable current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212277022U (en) |
-
2020
- 2020-01-02 CN CN202020001498.4U patent/CN212277022U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 Termination date: 20220102 |