Disclosure of Invention
The present invention is directed to a capacitor protection device and a capacitor, so as to solve the problems set forth in the background art. The capacitor protection device can be directly arranged on the circuit board, can provide continuous protection for the capacitor in the long-term use process, can reduce the operation difficulty of capacitor replacement, and prolongs the service life of the circuit board.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A capacitor protection device and a capacitor comprise a shell and the capacitor, wherein the capacitor is positioned in the shell, two ends of the capacitor are respectively provided with an external electrode, two ends of the outside of the shell are respectively provided with a pin, the inner wall of the shell is provided with a positioning plate for connecting the pins, one end of the positioning plate, which is positioned in the opening direction of the shell, is provided with a wavy connecting plate, the connecting plate is provided with an internal polar plate, the internal polar plate is abutted against the external electrode of the capacitor, the inside of the shell is provided with supporting columns positioned at each corner of the shell, the shell is provided with a cover body, cross rods are connected between the supporting columns, locking structures are arranged on the cross rods, each locking structure comprises two locking rods rotatably arranged on the cross rods, one-stage reed is connected between the locking rods, two sides of the cover body are respectively provided with a through groove, one end, which is close to the inside of the shell, of the locking rod is positioned on the surface of the capacitor, and one end, which is close to the outside of the shell, of the shell is inserted into the corresponding through groove;
the inside shock-absorbing structure that is provided with of casing, shock-absorbing structure wraps up and fixes the condenser from the multi-angle, reduces the forced vibration of condenser.
As a further scheme of the invention, a plurality of secondary reeds are connected between the positioning plate and the inner polar plate.
As a still further proposal of the invention, a control bar is slidably arranged in the through groove, the control bar is positioned at the outer side of the locking rod, and one surface of the control bar far away from the locking rod protrudes out of the through groove.
As a still further proposal of the invention, the cover body is provided with a limit groove at two ends of the through groove, two ends of the control bar are respectively provided with a connecting column in a rotating way, one end of the connecting column is connected with the limit column, the limit column is positioned in the limit groove, and the distance between the limit column and the connecting column is smaller than the distance between the diagonal position of the control bar and the connecting column.
As a still further proposal of the invention, the damping structure comprises a supporting plate arranged in the shell, a primary spring is connected between the supporting plate and the shell, a cushion pad made of elastic materials is arranged on the supporting plate, and the capacitor is arranged on the cushion pad.
As a still further proposal of the invention, the damping structure also comprises a pressing plate, the pressing plate is connected with the inner wall of the cover body through a secondary spring, and the pressing plate is abutted against the surface of the capacitor.
As a still further proposal of the invention, a plurality of tertiary springs are respectively arranged on the two side walls of the shell, the tertiary springs are connected with a side plate positioned in the shell, and one end of the side plate close to the cross bar is inclined towards the direction of the tertiary springs.
Compared with the prior art, the invention has the beneficial effects that:
By adopting the capacitor protection device and the capacitor, the device protects the capacitor by using the shell, the shell is provided with the pins, the capacitor can be welded on the circuit board instead of being placed in the shell, the circuit is conducted by contacting the outer electrode with the inner polar plate, the device can provide damping and supporting effects for the capacitor under the condition of very small size, meanwhile, the capacitor is sealed and limited by using a simple structure, the capacitor can be firmly fixed in the shell after the capacitor is installed, and the effective connection of the circuit is ensured;
By adopting the capacitor protection device and the capacitor, the capacitor of the device is only connected with the circuit by using the contact mode of the inner polar plate and the outer electrode, so that when the capacitor is damaged, the capacitor does not need to be melted and taken down by solder, but the cover body can be opened, the capacitor is taken out by simple operation, a new capacitor is put in, the maintenance of the circuit board is realized rapidly and efficiently, the influence of the damage of the capacitor on the circuit board is reduced, the damage probability of the circuit board caused by misoperation is reduced, and the service life of the circuit board is prolonged.
Drawings
Fig. 1 is a schematic view of the appearance structure of a capacitor protection device and a capacitor.
Fig. 2 is a schematic diagram of a front structure of a capacitor protection device and a capacitor.
Fig. 3 is a schematic cross-sectional structure of a capacitor protection device and a capacitor.
Fig. 4 is a schematic structural view of a side plate and a locking structure in a capacitor protection device and a capacitor.
Fig. 5 is a schematic view showing the structure of the capacitor protection device in which the locking structure and the cover are engaged.
Fig. 6 is a partially enlarged schematic view of the capacitor protection device and the locking structure and control bar in the capacitor.
The device comprises a 1-shell, 11-supporting columns, 12-cross bars, 2-pins, 21-positioning plates, 22-connecting plates, 23-second-stage reeds, 24-inner polar plates, 3-cover bodies, 31-through grooves, 32-limit grooves, 4-shock absorption structures, 41-first-stage springs, 42-supporting plates, 43-buffer pads, 44-pressing plates, 45-second-stage springs, 46-side plates, 47-third-stage springs, 5-locking structures, 51-locking rods, 52-first-stage reeds, 53-control strips, 54-limit columns, 541-connecting columns, 6-capacitors and 61-outer electrodes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, in the embodiment of the invention, a capacitor 6 protection device and a capacitor 6 comprise a shell 1 and a capacitor 6, wherein the capacitor 6 is positioned in the shell 1, two ends of the capacitor 6 are respectively provided with an external electrode 61, two ends of the outside of the shell 1 are respectively provided with a pin 2, the inner wall of the shell 1 is provided with a positioning plate 21 for connecting the pins 2, one end of the positioning plate 21 positioned in the opening direction of the shell 1 is provided with a wavy connecting plate 22, the connecting plate 22 is provided with an inner polar plate 24, the inner polar plate 24 is abutted against the external electrode 61 of the capacitor 6, the shell 1 is internally provided with support columns 11 positioned at each corner of the shell 1, the shell 1 is provided with a cover body 3, a cross rod 12 is connected between the support columns 11, the cross rod 12 is provided with a locking structure 5, the locking structure 5 comprises two locking rods 51 rotatably arranged on the cross rod 12, one end 52 is connected between the locking rods 51, two sides of the cover body 3 are respectively provided with a through groove 31, one end, close to the inner surface of the shell 1, close to one end of the corresponding reed 31 positioned in the through groove 31, which is inserted into the corresponding to the inner groove 31 of the shell 1;
The inside shock-absorbing structure 4 that is provided with of casing 1, shock-absorbing structure 4 wraps up and fixes condenser 6 from the multi-angle, reduces the forced vibration of condenser 6.
The capacitor 6 is wrapped by the shell 1, pins 2 are arranged at two ends of the outer part of the shell 1, the shell 1 can be placed on a circuit board, and the pins 2 replace the outer electrodes 61 of the capacitor 6 to complete the welding of a circuit. The pins 2, the positioning plate 21, the connection plate 22 and the inner electrode plate 24 are made of the same material as the outer electrode 61 to ensure good conduction effect. The inner polar plate 24 is connected through the wavy connecting plate 22, is suspended in the shell 1, can move in a certain range, can be used for reducing the vibration of the capacitor 6 in the direction of the pin 2, can meet the installation requirements of the capacitors 6 with different sizes in a certain range, and is more flexible and convenient to use.
The capacitor 6 of the device is fixed in the housing 1, and the locking structure 5 is used for fixing the capacitor 6 and the cover 3 at the same time. The primary reed 52 spreads the distance between the two locking rods 51, so that a certain included angle exists between the locking rods 51 and the cross rod 12, and two ends of the locking rods 51 incline towards the inner side and the outer side respectively. Before the capacitor is mounted, the protruding end of the locking rod 51 is clamped from the outside by using a tool such as a finger or a tweezer, and the protruding end of the locking rod 51 is pressed inward, so that the end of the locking rod 51 positioned at the inner side is retracted, the upper part of the shell 1 is emptied, the capacitor 6 can be put in, then the locking rod 51 is released, the locking rod 51 spontaneously rotates, the capacitor 6 is pressed from the upper part of the capacitor 6, and the capacitor 6 can be fixed in the shell 1, and the capacitor 6 and a circuit board are ensured to be in an effectively connected state.
When the cover body 3 is installed, the clamping rods are inwards pressed again, after the cover body 3 is buckled along each supporting rod, the position of the penetrating groove 31 and the locking rod 51 are located in the same plane, the locking rod 51 loses the outer pressure and rotates, the outer side is inserted into the penetrating groove 31 to clamp the main cover body 3, the cover body 3 is prevented from falling off, meanwhile, the inner side blocks the capacitor 6, and the capacitor 6 is prevented from shaking or separating.
In the subsequent case that the capacitor 6 is damaged and needs to be replaced, the locking rod 51 can be pressed inwards from the through grooves 31 on two sides, after the locking rod 51 rotates, the cover body 3 can be removed, and then the capacitor 6 is removed for replacement. The device can be installed in a small-size space on a circuit board, is attached to the capacitor 6, protects the capacitor 6, has a damping and buffering effect to a certain extent, can effectively weaken the damage of vibration brought by a circuit board installation environment to the capacitor 6, and can provide a certain external supporting effect to avoid the damage of the capacitor 6 caused by external force. The device is simple and convenient to operate, and the device can quickly complete replacement without contacting with a welding position when the capacitor 6 is replaced, so that the operation difficulty is remarkably reduced, the use convenience is improved, the probability of circuit board damage caused by the maintenance process is reduced, and the service life of the circuit board is prolonged.
As another embodiment of the present invention, referring to fig. 2 and 3, a plurality of secondary reeds 23 are connected between the positioning plate 21 and the inner polar plate 24. The secondary reed 23 is used for providing support for the inner polar plate 24, and because the pin 2, the positioning plate 21, the connecting plate 22, the inner polar plate 24 and the like all need to keep good conductive effect, elasticity is not taken as a main consideration of selecting materials for the conductive structure, a plurality of secondary reeds 23 are used for supporting in an auxiliary way, so that the inner polar plate 24 and the capacitor 6 can be ensured to keep sufficient contact, good conductivity is maintained, meanwhile, certain buffering is carried out on vibration, external force born by the connecting plate 22 can be relieved by using the secondary reed 23, fatigue damage caused by vibration possibly exists is reduced, and the service life of the connecting plate 22 and the whole device is prolonged.
Referring to fig. 1, 5 and 6, a control bar 53 is slidably mounted in the through slot 31, the control bar 53 is located outside the locking rod 51, and a surface of the control bar 53 away from the locking rod 51 protrudes out of the through slot 31. The control bar 53 is located in the through groove 31 and protrudes outside, when the cover 3 needs to be removed, the control bar 53 is pressed inwards to eject the locking rod 51 inwards, and no additional tool is needed to be inserted into the through groove 31 to complete the operation.
Referring to fig. 1, 5 and 6, the cover 3 is provided with a limiting groove 32 at two ends of the through groove 31, two ends of the control bar 53 are respectively rotatably provided with a connecting column 541, one end of the connecting column 541 is connected with a limiting column 54, the limiting column 54 is located in the limiting groove 32, and a distance between the limiting column 54 and the connecting column 541 is smaller than a distance between a diagonal position of the control bar 53 and the connecting column 541. The connecting column 541 is located the both ends of control strip 53, and is connected with spacing post 54, and spacing post 54 card is in spacing groove 32, avoids control strip 53 to drop from running through in groove 31, and this device is used for the outside protection of condenser 6, and consequently the overall dimension is little, and the space is limited, uses spacing post 54 can make control strip 53 obtain bigger activity space in limited installation space to can fully extrude the clamping lever when dismantling lid 3. The spacing between the spacing posts 54 and the connecting posts 541 is small, and the control bar 53 cannot be rotated to the long side, so that the length range of the fiber paper that can be rotated at both ends of the control bar plus the length of the spacing groove 32 is the range in which the control bar 53 itself can be moved inside and outside.
Referring to fig. 1,2 and 3, the shock absorbing structure 4 includes a support plate 42 mounted inside the housing 1, a primary spring 41 is connected between the support plate 42 and the housing 1, a cushion pad 43 made of elastic material is disposed on the support plate 42, and the capacitor 6 is placed on the cushion pad 43. The support plate 42 is located at the bottom of the casing 1, and provides support for the support plate 42 through a primary spring 41 at the bottom, and cooperates with a cushion pad 43 having a certain elastic effect on the surface to clamp the capacitor 6 in cooperation with the clamping rod while supporting the capacitor 6.
Referring to fig. 1 and 2, the shock absorbing structure 4 further includes a pressing plate 44, the pressing plate 44 is connected to the inner wall of the cover 3 through a secondary spring 45, and the pressing plate 44 abuts against the surface of the capacitor 6. The clamp plate 44 is fixed in the inside of lid 3, provides the connection through second grade spring 45, and the clamping lever is only used for restricting the position of lid 3 and condenser 6, does not use the clamping lever of high position fixed to restrict condenser 6 in the normal use, but presss from both sides tight condenser 6 through the backup pad 42 of top clamp plate 44 and bottom, reaches the purpose of fixing condenser 6, makes condenser 6 can have certain shock attenuation effect when meeting up and down's small amplitude vibration simultaneously.
Referring to fig. 1 and 4, a plurality of tertiary springs 47 are respectively mounted on two side walls of the housing 1, the tertiary springs 47 are connected with a side plate 46 located inside the housing 1, and one end of the side plate 46, which is close to the cross bar 12, is inclined towards the direction of the tertiary springs 47. The three-stage spring 47 clamps the capacitor 6 from both sides in cooperation with the side plate 46 to fix the capacitor 6, and the upper end of the side plate 46 is inclined to enable the capacitor 6 to be placed more easily without scratch. It should be noted that, the primary spring 41, the secondary spring 45 and the tertiary spring 47 used in the present device are limited to have elastic structures, the content of the drawings is only a demonstration of one usable effect, the shapes of the primary spring 41, the secondary spring 45 and the tertiary spring 47 should not be limited by the shapes of the drawings, and the springs can be replaced by reeds in actual use, or reeds with folding parts can be directly used as the supporting plate 42, the pressing plate 44 and the side plate 46, etc., so as to achieve the effect of adapting to the deformation requirement in a limited structural space.
The working principle of the invention is as follows:
the device uses a shell 1 to be the same as a discharge container 6, two ends of a capacitor 6 are provided with external electrodes 61, two ends of the outside of the shell 1 are provided with pins 2, the pins 2 are connected with a positioning plate 21 positioned in the shell 1, the positioning plate 21 is connected with an inner polar plate 24 through a wavy connecting plate 22, the inner polar plate 24 is attached to the surface of the external electrode 61 of the capacitor 6, therefore an effective circuit can be formed, the pins 2 of the shell 1 are fixed on a circuit board through welding, the inside capacitor 6 can be ensured to be effective, clamping rods with opposite positions are arranged above the shell 1 through a cross rod 12, the clamping rods can rotate, one-stage reed 52 is connected between the two opposite clamping rods, the two clamping rods are spread by the one-stage reed 52, one inward end of the clamping rods can block the capacitor 6, and one outward end can clamp a cover body 3. This device can effectually protect condenser 6, alleviates the condenser 6 damage that vibrations caused when providing the support, and does not influence the normal use of circuit, and this device can also accomplish the change of the condenser 6 of damage with very convenient mode, reduces the operation degree of difficulty, reduces the damage rate of circuit board.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.