Thin film capacitor with corrosion-resistant structure

Abstract

The utility model discloses a film capacitor with a corrosion-resistant structure, which relates to the technical field of capacitors and comprises a capacitor main body, a corrosion-resistant shell and a corrosion-resistant seat, the corrosion-resistant shell is positioned on the outer surface of the capacitor main body, and clamping grooves are arranged below two sides of the corrosion-resistant shell. Through the arrangement of the anti-corrosion shell, the clamping groove, the anti-corrosion seat and the clamping block, the clamping block abuts against the clamping groove in the transportation process, so that the anti-corrosion shell and the anti-corrosion seat are not in an overlapped state, the capacitor body and the pins are protected, and the phenomena of damage and breakage caused by collision of the capacitor body and the pins in the transportation process are avoided; when the capacitor body needs to be installed on a circuit board, the anti-corrosion base is pushed upwards with force to enable the clamping block to move out of the clamping groove and finally abut against the top of the anti-corrosion base, so that the anti-corrosion shell and the anti-corrosion base are overlapped to doubly surround the capacitor body, and corrosion of external substances to the capacitor body is avoided. And protection can be conveniently provided in the transportation process and the use process.

Description

TECHNICAL FIELD

[0001] The utility model relates to capacitor technical field, concretely is a film capacitor with corrosion -resistant structure. BACKGROUND

[0002] Film capacitor is with metal foil as electrode, its and polyethylene, polypropylene, polystyrene or polycarbonate plastic film, from two ends overlap, winding into the construction of cylindrical capacitor, film capacitor has no polarity, insulation impedance is very high, frequency characteristic is excellent etc.

[0003] The existing film capacitor generates heat when working, cooperates other components on the circuit board to generate more heat, therefore, the equipment usually is equipped with fan to the film capacitor or other components on the circuit board and carries out heat dissipation, adopts the air cooling heat dissipation mode and is influenced by the surrounding environment, and gas, liquid such as humidity, corrosive gas is easy to contact capacitor, thereby causing corrosion to the surface of capacitor, and increasing the possibility of short circuit phenomenon. UTILITARIAN CONTENT

[0004] Based on this, the utility model aims at providing a film capacitor with corrosion -resistant structure to solve the technical problems mentioned in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a film capacitor with corrosion -resistant structure, including capacitor main part, anticorrosive shell and anticorrosive seat, the anticorrosive shell is located capacitor main part outer surface, and anticorrosive shell both sides below are all set up with the clamping slot, the anticorrosive seat is located capacitor main part below, and anticorrosive seat top both sides are all penetrated and have the clamping block.

[0006] Through adopting the above technical scheme, the clamping block is against the clamping slot in the transportation, so that the anticorrosive shell and the anticorrosive seat are not in the superposition state, thereby protecting the capacitor main part and the pin, avoiding the damage and fracture of the capacitor main part and the pin caused by the bumping in the transportation process, when the capacitor main part needs to be installed on the circuit board, the anticorrosive seat is pushed upward with force to make the clamping block move out of the clamping slot and finally abut against the top of the anticorrosive seat, so that the anticorrosive shell and the anticorrosive seat are superimposed on the capacitor main part, double-enclosed to avoid the corrosion of external substances to the capacitor main part, and the pin leaks out to facilitate installation.

[0007] Further, the anticorrosive seat and the anticorrosive shell are slidingly connected.

[0008] Through adopting the above technical scheme, the anticorrosive seat is pushed upward with force to make the clamping block move out of the clamping slot and finally abut against the top of the anticorrosive seat, so that the anticorrosive shell and the anticorrosive seat are superimposed on the capacitor main part, double-enclosed to avoid the corrosion of external substances to the capacitor main part.

[0009] Further, the card block cross section is in the shape of "。

[0010] By adopting the above technical scheme, the card block cross section in the shape of " can avoid the phenomenon of structure separation caused by the falling off of the anticorrosion shell and the anticorrosion seat, and improve the structural stability.

[0011] Further, the card block is detachably connected with the card slot, and the card block abuts against the top of the anticorrosion shell on both sides.

[0012] By adopting the above technical scheme, the card block abuts against the card slot during transportation, so that the anticorrosion shell and the anticorrosion seat are not in the superimposed state, and then the anticorrosion seat is pushed upward to make the card block move out of the card slot and finally abut against the top of the anticorrosion seat.

[0013] Further, the card block and the card slot are both provided with four, and the four card slots and the card block are distributed in the shape of annular array.

[0014] By adopting the above technical scheme, by increasing the number of card blocks and card slots, the supporting area of the structure can be increased, so as to improve the stability of the supporting and limiting of the card block.

[0015] Further, the card block is made of POM plastic.

[0016] By adopting the above technical scheme, the card block made of POM plastic has good mechanical strength and elasticity, which is convenient for supporting and limiting the anticorrosion seat.

[0017] Further, the capacitor body is connected with two pins on both sides of the bottom, and the two pins are symmetrically distributed.

[0018] By adopting the above technical scheme, before use, the staff inserts the pins through the via holes of the circuit board, and then the staff connects the pins with the live wires on the circuit board by soldering, so as to connect the circuit.

[0019] Further, the top of the anticorrosion shell penetrates a heat dissipation seat, and the top of the heat dissipation seat is fixed with a heat dissipation fin, and the heat dissipation seat and the heat dissipation fin are both made of aluminum alloy material.

[0020] By adopting the above technical scheme, the heat dissipation seat and the heat dissipation fin are used to dissipate the heat generated by the capacitor body during operation, so as to avoid the phenomenon of high temperature of the capacitor body caused by the double enclosure of the anticorrosion shell and the anticorrosion seat affecting the heat dissipation of the capacitor body.

[0021] Further, the heat dissipation fin is provided with a plurality of heat dissipation fins, and the plurality of heat dissipation fins are equidistantly distributed.

[0022] By adopting the above technical scheme, by increasing the number of heat dissipation fins, the heat dissipation area is increased, so as to better dissipate heat for the capacitor body.

[0023] Further, the capacitor body and the corrosion-proof shell are provided with a heat-conducting layer, and the heat-conducting layer is heat-conducting silica gel.

[0024] By adopting the technical scheme, the gap between the capacitor body, the heat-dissipating seat and the corrosion-proof shell is filled by the heat-conducting layer, which has the advantages of increasing stability, avoiding the capacitor body from colliding with the heat-dissipating seat and the corrosion-proof shell due to shaking, and facilitating the heat generated by the capacitor during operation to be efficiently transferred to the heat-dissipating seat, thereby facilitating heat dissipation.

[0025] In summary, the utility model mainly has the following beneficial effects:

[0026] 1. The utility model discloses a capacitor body protection device, which comprises a capacitor body, a corrosion-proof shell, a heat-dissipating seat, a clamping groove, a clamping block and a corrosion-proof seat.

[0027] 2. The utility model discloses a capacitor body protection device, which comprises a capacitor body, a corrosion-proof shell, a heat-dissipating seat, a clamping groove, a clamping block and a corrosion-proof seat.

[0028] 3. The utility model discloses a capacitor body protection device, which comprises a capacitor body, a corrosion-proof shell, a heat-dissipating seat, a clamping groove, a clamping block and a corrosion-proof seat. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the utility model;

[0030] Figure 2 It is a sectional structure schematic diagram of the utility model before use;

[0031] Figure 3 It is a sectional structure schematic diagram of the utility model when in use;

[0032] Figure 4 It is an explosion structure schematic diagram of the corrosion-proof shell of the utility model.

[0033] In the figure: 1, capacitor body; 2, pin; 3, heat conduction layer; 4, heat dissipation seat; 5, heat dissipation fin; 6, anticorrosion shell; 7, clamping groove; 8, anticorrosion seat; 9, clamping block. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.

[0035] The embodiments will be described below according to the overall structure of the utility model. Embodiment one:

[0036] A thin film capacitor with a corrosion-resistant structure, as shown in Figures 1-4 , comprising a capacitor body 1, an anticorrosion shell 6 and an anticorrosion seat 8, the anticorrosion shell 6 is located on the outer surface of the capacitor body 1, clamping grooves 7 are formed on both sides of the anticorrosion shell 6, the anticorrosion seat 8 is located below the capacitor body 1, the anticorrosion shell 6 and the anticorrosion seat 8 double-enclose the capacitor body 1, avoiding the corrosion of external substances to the capacitor body 1; the anticorrosion seat 8 is slidingly connected with the anticorrosion shell 6, clamping blocks 9 are penetrated through both sides of the top of the anticorrosion seat 8, the cross section of the clamping block 9 is in the shape of "7", the clamping block 9 is made of POM plastic, the clamping block 9 and the clamping groove 7 are both provided with four, the four clamping grooves 7 and clamping blocks 9 are distributed in the shape of annular array, the anticorrosion seat 8 is pushed upward with force to make the clamping block 9 move out of the clamping groove 7 and finally abut against the top of the anticorrosion seat 8.

[0037] Referring to Figure 2 and Figure 3 , in the above embodiment, the bottom of the capacitor body 1 is connected with pins 2 on both sides, the two pins 2 are symmetrically distributed and can be connected with a circuit. Embodiment two:

[0038] On the basis of the above embodiment one, in order to facilitate heat dissipation and improve the service life of the capacitor body, the following settings are made.

[0039] Referring to Figures 1-3 , in the above embodiment, the top of the anticorrosion shell 6 is penetrated through with a heat dissipation seat 4, the top of the heat dissipation seat 4 is fixed with heat dissipation fins 5, the heat dissipation seat 4 and the heat dissipation fins 5 are both made of aluminum alloy material, the heat dissipation fins 5 are provided with multiple, the multiple heat dissipation fins 5 are distributed at equal intervals, the heat dissipation seat 4 and the heat dissipation fins 5 are used to facilitate the dissipation of heat generated by the capacitor body 1 during work, avoiding the double-enclosure of the anticorrosion shell 6 and the anticorrosion seat 8 affecting the heat dissipation of the capacitor body 1 and causing the high-temperature phenomenon of the capacitor body 1. Embodiment three:

[0040] On the basis of the above-mentioned embodiment two, in order to increase stability and heat dissipation efficiency, now through the following settings.

[0041] Referring to Figure 2 And Figure 3 In the above-mentioned embodiment, the capacitor body 1 and the corrosion-proof shell 6 are provided with a heat-conducting layer 3, the heat-conducting layer 3 is heat-conducting silica gel, the gap between the capacitor body 1, the heat-dissipating seat 4 and the corrosion-proof shell 6 is filled through the heat-conducting layer 3, which is to increase stability, avoid the capacitor body 1 from shaking and colliding with the heat-dissipating seat 4 and the protective shell, and facilitate efficient heat transfer from the capacitor during operation to the heat-dissipating seat 4, thereby facilitating heat dissipation.

[0042] The implementation principle of the utility model is as follows: firstly, the clamping block 9 abuts against the clamping groove 7 during transportation, so that the corrosion-proof shell 6 and the corrosion-proof seat 8 are not in a superimposed state, thereby protecting the capacitor body 1 and the pin 2 from damage and breakage caused by collision during transportation; when it is necessary to install the capacitor body 1 on the circuit board, the staff pushes the corrosion-proof seat 8 upward to make the clamping block 9 move out of the clamping groove 7 and finally abut against the top of the corrosion-proof seat 8, so that the corrosion-proof shell 6 and the corrosion-proof seat 8 superimpose to double-enclose the capacitor body 1, thereby avoiding corrosion of the capacitor body 1 by external substances, and the pin 2 is exposed to facilitate installation.

[0043] During use, the gap between the capacitor body 1, the heat-dissipating seat 4 and the corrosion-proof shell 6 is filled through the heat-conducting layer 3, which is to increase stability, avoid the capacitor body 1 from shaking and colliding with the heat-dissipating seat 4 and the protective shell, and facilitate efficient heat transfer from the capacitor during operation to the heat-dissipating seat 4, thereby facilitating heat dissipation; then the heat-dissipating seat 4 and the heat-dissipating fin 5 are used to facilitate heat dissipation of the capacitor body 1 during operation, thereby avoiding the double-enclosure of the corrosion-proof shell 6 and the corrosion-proof seat 8 from affecting heat dissipation of the capacitor body 1 and causing high temperature of the capacitor body 1.

[0044] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A thin film capacitor having a corrosion resistant structure, comprising a capacitor main body (1), a corrosion preventing case (6) and a corrosion preventing seat (8), characterized in that: The anticorrosion shell (6) is located on the outer surface of the capacitor body (1), and anticorrosion shell (6) both sides below are provided with clamping groove (7), anticorrosion seat (8) is located below capacitor body (1), and anticorrosion seat (8) top both sides are penetrated and have clamping block (9).

2. A thin film capacitor having a corrosion resistant structure according to claim 1, wherein: The anticorrosion seat (8) is slidably connected with the anticorrosion shell (6).

3. The thin film capacitor with corrosion resistant structure according to claim 1, wherein: The clamping block (9) is in the shape of "7" in cross section.

4. A thin film capacitor having a corrosion resistant structure according to claim 3, wherein: The clamping block (9) is detachably connected with the clamping groove (7), and the clamping block (9) is in abutment with the top two sides of the anticorrosion shell (6).

5. A thin film capacitor having a corrosion resistant structure according to claim 4, wherein: The clamping block (9) and the clamping groove (7) are both provided with four, and the four clamping grooves (7) and the clamping block (9) are distributed in annular array shape.

6. A thin film capacitor having a corrosion resistant structure according to claim 5, wherein: The clamping block (9) is made of POM plastic.

7. The thin film capacitor having a corrosion resistant structure according to claim 1, wherein: The capacitor body (1) is connected with the pin (2) on both sides of the bottom, and the two pins (2) are symmetrically distributed.

8. The thin film capacitor having a corrosion resistant structure according to claim 1, wherein: The anticorrosion shell (6) is penetrated with the heat dissipation seat (4) on the top, and the heat dissipation seat (4) is fixed with the heat dissipation fin (5) on the top, and the heat dissipation seat (4) and the heat dissipation fin (5) are made of aluminum alloy material.

9. A thin film capacitor having a corrosion resistant structure according to claim 8, wherein: The heat dissipation fin (5) is provided with a plurality of, and a plurality of heat dissipation fins (5) are distributed at equal intervals.

10. The thin film capacitor having a corrosion resistant structure according to claim 1, wherein: The capacitor body (1) and the anticorrosion shell (6) are provided with the heat conduction layer (3), and the heat conduction layer (3) is heat-conducting silica gel.

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