Explosion-proof capacitor
Technical Field
The utility model relates to the technical field of capacitors, in particular to an explosion-proof capacitor.
Background
A capacitor is an electronic component for storing electric charge and electric energy, and has wide application. It is one of the most basic components in a circuit, can be used to regulate voltage and current in a circuit, and plays an important role in electronic devices. If an insulator is placed between the two electrodes, charge can be stored. This phenomenon is called capacitive effect and becomes the core principle of the capacitor. With the continuous development of electronic technology, capacitors are continually improving. In the early 20 th century, capacitors began to be used in the field of communications, playing an important role in circuits. With the popularization of electronic devices, capacitors are increasingly used, and a large number of capacitors are used in electronic products such as televisions, mobile phones, computers and the like. Today, with the development of technology, capacitors are also being upgraded. For example, the polyelectrolyte capacitor can provide high capacitance under the condition of small volume, so that the electronic equipment is lighter and convenient to carry. The application of the capacitor is not limited to the electronic field, and the capacitor has many applications in the fields of new energy, automobiles, aerospace and the like.
The patent number CN209544156U in the prior art discloses a novel explosion-proof capacitor, and belongs to the technical field of electronic components. It has solved the fragile scheduling problem of current condenser inserted sheet. The utility model provides an explosion-proof capacitor, including the shell body and set up in the cap on shell body upper portion, the inside condenser core that is provided with of shell body is provided with explosion-proof piece between condenser core and the cap, be provided with on the cap and pass the inside a plurality of inserted sheet of shell body extension to the shell body, be connected with the electric wire between every inserted sheet and the condenser core, be provided with on the cap with the corresponding complex insulating safe edge of every inserted sheet, the outer circumference department of inserted sheet is located to every insulating safe edge cover, the lower extreme of every insulating safe edge is connected on the cap, and the telescopic motion about insulating safe edge can carry out.
The practical explosion-proof capacitor has the following disadvantages:
1. the explosion-proof capacitor of the above utility model has no damping device and is disadvantageous in that it is susceptible to external factors: the explosion-proof capacitor is not provided with a damping device and is easily influenced by external vibration, vibration and other factors, so that the stability and the safety of the explosion-proof capacitor are influenced. Failure or explosion is liable to occur: because the explosion-proof capacitor has no damping device, the risks of capacitor failure, short circuit, electric leakage, explosion and the like can occur after the explosion-proof capacitor is influenced by external factors, so that the damage to personnel and equipment is caused. The service life of the product is reduced: the explosion-proof capacitor is not provided with a damping device, is influenced by external factors such as vibration, vibration and the like for a long time, and easily causes the falling, fracture or damage of electronic components in the capacitor, so that the service life of the capacitor is shortened.
2. The above-mentioned utility model is not provided with means for keeping the capacitor dry, which have the disadvantage of being vulnerable to moisture: in humid or rainy environments, the explosion-proof capacitor has no device capable of keeping dry, so that the explosion-proof capacitor is easy to wet, and the performance of the capacitor is reduced, and the risks of short circuit, electric leakage and the like are caused. The service life of the product is reduced: during use or storage, if the capacitor is in a humid environment for a long period of time, corrosion or oxidation of internal electronic components is easily caused, thereby shortening the service life of the capacitor. Affecting the stability of the capacitor: after the capacitor is wetted, the medium inside the capacitor can be polluted or damaged, so that the capacitance value of the capacitor is changed, and the stability and normal operation of the capacitor are affected. Meanwhile, if moisture exists in the capacitor, stability and reliability of the circuit may be affected.
Disclosure of Invention
The utility model aims to overcome the technical defects and provide the explosion-proof capacitor.
In order to solve the problems, the technical scheme of the utility model is as follows: the explosion-proof capacitor comprises an explosion-proof capacitor box body, wherein the explosion-proof capacitor box body comprises a damping device, a moistureproof device, an explosion-proof shell, a cover plate and a capacitor.
Further, damping device includes, base, shock attenuation chamber, attenuator, spring, clamp plate, the clamp plate is connected to base top terminal surface, be the shock attenuation chamber between clamp plate and the base, shock attenuation intracavity-connected attenuator, terminal surface and base, clamp plate fixed connection about the attenuator, the spring is wrapped up in to the terminal surface outside the attenuator, terminal surface fixed connection base and clamp plate respectively about the spring, clamp plate below terminal surface both sides fixed connection spacing fritter, the inside terminal surface of base is equipped with the spout, spacing fritter and spout cooperation.
Further, the damping device is connected with the upper end face of the damping device, and the damping device is fixedly connected with the damping device.
Further, dampproofing device includes dry box, through-hole, electric capacity mounting hole, dry box inside is equipped with the cavity, open around the terminal surface of dry box top has the through-hole, the terminal surface intermediate position of dry box top opens there is the electric capacity mounting hole.
Further, electric capacity mounting hole internal connection condenser, condenser top terminal surface left side is equipped with insulating seat one, the connected mode between insulating seat one and the condenser is fixed connection, insulating seat one top terminal surface is equipped with the positive electrode, the connected mode between positive electrode and the insulating seat one is fixed connection.
Further, the right side of the end face above the capacitor is provided with a second insulating seat, the second insulating seat is fixedly connected with the capacitor in a connecting mode, the end face above the second insulating seat is provided with a negative electrode, and the negative electrode is fixedly connected with the second insulating seat in a connecting mode.
Further, explosion-proof housing is connected to dampproof device top end face, the connected mode between explosion-proof housing and the dampproof device is fixed connection, open there is the louvre explosion-proof housing both sides terminal surface, the apron is connected to explosion-proof housing top end face, the connected mode between apron and the explosion-proof housing is embedded connection, the apron includes upper cover plate, limiting plate, electrode hole, the limiting plate is connected to upper cover plate below terminal surface, the connected mode between limiting plate and the upper cover plate is fixed connection, the limiting plate is opened with the upper cover plate terminal surface has the electrode hole.
Compared with the prior art, the utility model has the advantages that:
1. the utility model has the advantages that the safety of the capacitor is improved due to the arrangement of the damping device: the damping device can reduce risks such as damage, failure and explosion of the capacitor when the capacitor is affected by external vibration, vibration and other factors, and improves the safety of the capacitor. The anti-seismic performance of the capacitor is enhanced: the vibration damping device can reduce the displacement and vibration generated when the capacitor is affected by external vibration, vibration and other factors, so that the vibration resistance of the capacitor is enhanced, and the stability and reliability of the capacitor are improved. The service life of the capacitor is prolonged: the damping device can slow down the mechanical stress that the capacitor receives in the use, reduces the fatigue damage of the inside electronic components of capacitor to prolonged the life of capacitor.
2. The utility model provides the advantages of moisture-proof device to prevent the capacitor from being wet: the device capable of keeping dry can effectively prevent the capacitor from being wetted, prevent the internal parts of the capacitor from being oxidized, corroded and the like, and ensure the circuit safety of the capacitor. The stability of the capacitor is ensured: if there are problems such as moisture and humidity in the capacitor, the electrical properties such as capacitance of the capacitor are affected, and thus the stability of the capacitor is affected. The device capable of keeping the capacitor dry can ensure that the inside of the capacitor is always kept in a dry state, and the stability of the capacitor is ensured.
Drawings
Fig. 1 is a perspective view of an explosion-proof capacitor of the present utility model.
Fig. 2 is a perspective view of the flameproof capacitor of the present utility model with the flameproof housing removed.
Fig. 3 is a cross-sectional view of a shock absorbing device of the explosion-proof capacitor of the present utility model.
Fig. 4 is a perspective view of a shock absorbing device and a moisture proof device of the explosion-proof capacitor of the present utility model.
Fig. 5 is a perspective view of the cover plate of the explosion-proof capacitor of the present utility model.
As shown in the figure: 1. an explosion-proof capacitor box body; 2. a damping device; 201. a base; 202. a damping cavity; 203. a damper; 204. a spring; 205. a pressing plate; 3. a moisture-proof device; 301. a drying box; 302. a through hole; 303. a capacitor mounting hole; 4. an explosion-proof housing; 5. a heat radiation hole; 6. a cover plate; 601. an upper cover plate; 602. a limiting plate; 603. an electrode hole; 7. a capacitor; 8. an insulating seat I; 9. a positive electrode; 10. an insulation seat II; 11. and a negative electrode.
Detailed Description
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.
It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 5, the technical scheme of the present utility model is as follows: the explosion-proof capacitor comprises an explosion-proof capacitor box body 1, wherein the explosion-proof capacitor box body 1 comprises a damping device 2, a moistureproof device 3, an explosion-proof shell 4, a cover plate 6 and a capacitor 7.
As shown in fig. 1 to 5, the damping device 2 comprises a base 201, a damping cavity 202, a damper 203, a spring 204 and a pressing plate 205, wherein the pressing plate 205 is connected to the upper end surface of the base 201, the damping cavity 202 is arranged between the pressing plate 205 and the base 201, the damper 203 is connected inside the damping cavity 202, the upper end surface and the lower end surface of the damper 203 are fixedly connected with the base 201 and the pressing plate 205, the outer end surface of the damper 203 is wrapped with the spring 204, the upper end surface and the lower end surface of the spring 204 are respectively fixedly connected with the base 201 and the pressing plate 205, two sides of the lower end surface of the pressing plate 205 are fixedly connected with a limiting small block 206, the inner end surface of the base 201 is provided with a sliding groove, the limiting small block 206 is matched with the sliding groove, when the capacitor 7 is subjected to downward pressure, the pressing plate 205 is downward, the pressing plate 205 is firstly pressed down, the spring 204 plays a role of unloading, the pressing plate 205 is rebounded by the spring 204 after the pressure disappears, and the limiting small block 206 can block the base 201 to prevent the pressing plate 205 from being popped out.
As shown in fig. 1 to 5, the upper end surface of the damping device 2 is connected with a dampproof device 3, and the dampproof device 3 is fixedly connected with the damping device 2.
As shown in fig. 1 to 5, the moisture-proof device 3 includes a drying box 301, a through hole 302 and a capacitor mounting hole 303, the drying box 301 is internally connected with a cavity, the periphery of the upper end surface of the drying box 301 is provided with the through hole 302, the middle position of the upper end surface of the drying box 301 is provided with the capacitor mounting hole 303, the drying agent is stored in the cavity, and the through hole 302 can enable moisture to be absorbed by the drying agent through the through hole 302.
As shown in fig. 1 to 5, the capacitor 7 is connected inside the capacitor mounting hole 303, the first insulating seat 8 is connected to the left side of the upper end surface of the capacitor 7, the first insulating seat 8 is fixedly connected to the capacitor 7, the positive electrode 9 is connected to the upper end surface of the first insulating seat 8, the positive electrode 9 is fixedly connected to the first insulating seat 8, and the first insulating seat 8 has an insulating function.
As shown in fig. 1 to 5, the right side of the upper end surface of the capacitor 7 is connected with the second insulating seat 10, the second insulating seat 10 is fixedly connected with the capacitor 7, the upper end surface of the second insulating seat 10 is connected with the negative electrode 11, the negative electrode 11 is fixedly connected with the second insulating seat 10, and the second insulating seat 10 also has an insulating function.
As shown in fig. 1 to 5, the explosion-proof housing 4 is connected to the end face above the moisture-proof device 3, the connection mode between the explosion-proof housing 4 and the moisture-proof device 3 is fixed connection, the heat dissipation holes 5 are formed in the end faces of two sides of the explosion-proof housing 4, the cover plate 6 is connected to the end face above the explosion-proof housing 4, the cover plate 6 is connected with the explosion-proof housing 4 in an embedded mode, the cover plate 6 comprises an upper cover plate 601, a limiting plate 602 and an electrode hole 603, the limiting plate 602 is connected to the end face below the upper cover plate 601, the limiting plate 602 is fixed connection with the upper cover plate 601, the electrode hole 603 is formed in the end face of the limiting plate 602, and the heat generated by the capacitor 7 can be dissipated from the heat dissipation holes 5 through air flow through the heat dissipation holes 5.
In a specific use, firstly, the drying agent is stored in the drying box 301, then the capacitor 7 is placed in the capacitor mounting hole 303, then the positive electrode 9 and the negative electrode 11 are covered on the explosion-proof housing 4 through the electrode hole on the cover plate 6, heat generated during the operation of the capacitor flows out through the heat dissipation hole 5, the drying agent in the drying box 301 absorbs moisture in air when the air is wet, the capacitor 7 is subjected to vibration to enable the capacitor 7 to be downward, the pressing plate 205 firstly faces down the damper 203, the spring 204 plays a role of unloading, the pressing plate 205 is rebounded to the original position by the spring 204 after the pressure disappears, and meanwhile, the base 201 is blocked by the limiting small block 206 to prevent the pressing plate 205 from being ejected.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.