CN216624246U - Novel semiconductor axial rectifier diode - Google Patents

Abstract

The utility model discloses a novel semiconductor axial rectifying diode which comprises a diode body, wherein pins are fixedly connected to the centers of the front side wall and the rear side wall of the diode body, clamping points are arranged on the side walls of one ends, close to the diode body, of the two pins, one side wall of each clamping point is fixedly connected to the side wall of each pin, a shell is arranged on the outer side of the diode body, radiating fins are arranged at the centers of the front inner side wall and the rear inner side wall of the shell, one side wall of each radiating fin is fixedly connected to the front inner side wall and the rear inner side wall of the shell, and a limiting block is arranged at the center of the other side wall of each radiating fin. According to the utility model, the four pressure relief grooves are formed in the side wall of the outer shell of the diode main body, so that the safety of the diode when the diode is damaged is greatly improved, the damage to surrounding components when the diode is damaged can be effectively prevented, the loss is reduced, and the safety in use is improved.

Description

Novel semiconductor axial rectifier diode

Technical Field

The utility model relates to the field of electronic components, in particular to a novel semiconductor axial rectifier diode.

Background

Diodes are electronic components, one of which has two electrodes, allowing current to flow in only a single direction, and many of which use the function of rectification. Varactors are used as electronically tunable capacitors. The current directivity that most diodes have is commonly referred to as the "rectifying" function. The most common function of a diode is to allow current to pass in a single direction (referred to as forward biasing) and to block current in the reverse direction (referred to as reverse biasing). Thus, the diode can be thought of as an electronic version of the check valve.

The prior patent (publication number: CN208637406U) discloses a novel rectifier diode, which comprises a diode main body, wherein a heat-conducting double-sided adhesive tape is arranged on the outer side wall of the diode main body, the heat-conducting double-sided adhesive tape is fixedly bonded with the diode main body, a peltier is arranged on the outer side wall of the heat-conducting double-sided adhesive tape, the peltier is fixedly bonded with the heat-conducting double-sided adhesive tape, a cooling block is arranged on the outer side wall of the peltier, the cooling block is fixedly connected with the peltier, and a rubber supporting block is arranged on the outer side wall of the cooling block; make the heat transfer of heat conduction double faced adhesive tape with diode main part 1 for the paler subsides, carry the heat for the cooling block through the paler subsides and cool off to make the diode main part when the heat abstractor trouble, also can obtain the cooling that lasts, the backup pad can form buffer space through spring and guard plate, thereby makes the dynamics of collision slowed down, and then reaches the effect to the protection of diode main part. The utility model discloses a still have some problems in the use, lead to the inside temperature of diode to rise easily when the access voltage of diode is too big and cause the diode to collapse to make the circuit during operation can cause the interference to the circuit of peripheral other electronic products, cause unnecessary influence and loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a novel semiconductor axial rectifying diode.

In order to achieve the purpose, the utility model adopts the following technical scheme: a novel semiconductor axial rectifying diode comprises a diode body, wherein pins are fixedly connected to the centers of the front side wall and the rear side wall of the diode body, a clamping point is arranged on the side wall of one end, close to the diode body, of each pin, a side wall of the clamping point is fixedly connected to the side wall of each pin, a shell is arranged on the outer side of the diode body, radiating fins are arranged at the centers of the front inner side wall and the rear inner side wall of the shell, one side wall of each radiating fin is fixedly connected to the front inner side wall and the rear inner side wall of the shell, a limiting block is arranged at the center of the other side wall of each radiating fin, one side wall of each limiting block is fixedly connected to the front inner side wall and the rear inner side wall of each radiating fin, the other ends of the two pins penetrate through the limiting blocks, the radiating fins and the front side wall and the rear side wall of the shell respectively, and tin-plated sheets are arranged on the front side wall and the rear side wall of the shell respectively, and a plurality of groups of pressure relief grooves are formed in the side wall of the shell.

As a further description of the above technical solution:

the number of the pressure relief grooves is four, the four pressure relief grooves correspond to four quadrant points of the side wall of the shell respectively, and the cross sections of the four pressure relief grooves are in a semi-elliptical shape.

As a further description of the above technical solution:

and the two radiating fins are copper sheets.

As a further description of the above technical solution:

the end parts of the two pins respectively penetrate through the two tin-plated sheets, and the two tin-plated sheets are welded on the front side wall and the rear side wall of the shell.

As a further description of the above technical solution:

the shell is made of silicon.

As a further description of the above technical solution:

and the two pins are made of tin-plated copper.

As a further description of the above technical solution:

the cross section of the clamping point is circular.

As a further description of the above technical solution:

the two limiting blocks are both disc-shaped.

The utility model has the following beneficial effects:

compared with the existing arrangement, the diode is provided with the outer shell on the outer side, and the four pressure relief grooves are formed in the side wall of the outer shell, so that when the diode body collapses due to the fact that a large voltage is connected into the inner side, the pressure relief grooves firstly crack to dissipate most of heat, peripheral parts are effectively prevented from being damaged when the diode collapses, damage is reduced, and the diode is safer to use.

Compared with the existing arrangement, the diode body is provided with the clamping points on the side walls of the two pins on the two sides of the diode body, when the pins are subjected to external pulling force, the diode body moves to one side, and the clamping points are clamped on the inner side wall of the limiting block, so that the connection positions of the pins and the diode body are protected, and the use is prevented from being influenced by the breakage between the pins and the diode body under the action of external force.

Drawings

Fig. 1 is an isometric view of a novel semiconductor axial rectifier diode according to the present invention;

fig. 2 is a front cross-sectional view of a novel semiconductor axial rectifier diode according to the present invention;

fig. 3 is a right side view of a novel semiconductor axial rectifying diode according to the present invention.

Illustration of the drawings:

1. a pin; 2. a housing; 3. a pressure relief groove; 4. plating tin sheets; 5. a heat sink; 6. a limiting block; 7. sticking points; 8. a diode body.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a novel semiconductor axial rectifying diode comprises a diode main body 8, wherein the centers of the front side wall and the rear side wall of the diode main body 8 are fixedly connected with pins 1, the side wall of one end, close to the diode main body 8, of each of the two pins 1 is provided with a clamping point 7, the cross section of each clamping point 7 is in a circular ring shape, one side wall of each clamping point 7 is fixedly connected to the side wall of each pin 1, the outer side of the diode main body 8 is provided with a shell 2, the centers of the front inner side wall and the rear inner side wall of the shell 2 are respectively provided with a radiating fin 5, one side wall of each radiating fin 5 is respectively and fixedly connected to the front inner side wall and the rear inner side wall of the shell 2, the center of the other side wall of each radiating fin 5 is provided with a limiting block 6, one side wall of each limiting block 6 is respectively and fixedly connected to the front inner side wall and the rear inner side walls of each radiating fins 5, and the other ends of the two pins 1 respectively penetrate through the limiting blocks 6, the radiating fins 5 are arranged on the front side wall and the rear side wall of the shell 2.

The front side wall and the rear side wall of the shell 2 are both provided with tinned sheets 4, the side wall of the shell 2 is provided with a plurality of groups of pressure relief grooves 3, the number of the pressure relief grooves 3 is four, the four pressure relief grooves 3 respectively correspond to four quadrant points of the side wall of the shell 2, the cross section shapes of the four pressure relief grooves 3 are all in a semi-elliptical shape, when the internal voltage is too large and a large amount of heat is generated, the internal large amount of heat is firstly cracked and dissipated through the positions of the four pressure relief grooves 3, the damage to peripheral components and parts is effectively prevented when the pressure relief grooves are cracked, the safety in use is improved, the two radiating fins 5 are copper sheets, the end parts of the two pins 1 respectively penetrate through the two tinned sheets 4, the two tinned sheets 4 are welded on the front side wall and the rear side wall of the shell 2, the material of the shell 2 is silicon, the material of the two pins 1 is tinned copper, the shape of the two limiting blocks 6 is in a disc shape, when the pins 1 are subjected to external force, the diode main body 8 inside the shell 2 moves to one side, the stuck point 7 on the lateral wall of pin 1 just blocks on the lateral wall of stopper 6, and the effort can not transmit the welded junction of pin 1 and diode main part 8, security when improving the use.

The working principle is as follows: the utility model relates to a novel semiconductor axial rectifying diode, wherein two pins 1 are connected at a required position when the novel semiconductor axial rectifying diode is used, when the pins 1 are pulled by the outside, a diode main body 8 in a shell 2 moves to one side, clamping points 7 on the side walls of the pins 1 are just clamped on the side walls of limiting blocks 6, acting force cannot be transmitted to welding positions of the pins 1 and the diode main body 8, the safety in use is improved, the joint of the pins 1 and the diode main body 8 is effectively prevented from being detached, when excessive voltage is connected in the novel semiconductor axial rectifying diode, firstly, four pressure relief grooves 3 on the side walls of the shell 2 are cracked, a large amount of heat in the novel semiconductor axial rectifying diode is dissipated, meanwhile, the damage of fragments to surrounding components when the shell 2 is cracked is effectively avoided, and the safety in use is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (8)

1. A novel semiconductor axial rectifier diode, includes diode main part (8), its characterized in that: equal fixedly connected with pin (1) in front and back both sides wall center department of diode main part (8), two be provided with stuck point (7) on pin (1) is close to the one end lateral wall of diode main part (8), a lateral wall fixed connection of stuck point (7) is on the lateral wall of pin (1), the outside of diode main part (8) is provided with shell (2), two inside wall center departments all are provided with fin (5), two around shell (2) a lateral wall of fin (5) is fixed connection respectively on the inside wall around shell (2), two another lateral wall center department of fin (5) all is provided with stopper (6), two a lateral wall of stopper (6) is fixed connection respectively on two inside walls around two fin (5), two the other end of pin (1) runs through stopper (6) respectively, The front side wall and the rear side wall of the radiating fin (5) and the shell (2), the tin-plated sheets (4) are arranged on the front side wall and the rear side wall of the shell (2), and a plurality of groups of pressure relief grooves (3) are formed in the side wall of the shell (2).

2. A novel semiconductor axial rectifying diode according to claim 1, wherein: the number of the pressure relief grooves (3) is four, the four pressure relief grooves (3) correspond to four quadrant points of the side wall of the shell (2) respectively, and the cross section of each pressure relief groove (3) is semi-elliptical.

3. A novel semiconductor axial rectifying diode according to claim 1, wherein: the two radiating fins (5) are both copper sheets.

4. A novel semiconductor axial rectifying diode according to claim 1, wherein: the end parts of the two pins (1) respectively penetrate through the two tin-plated sheets (4), and the two tin-plated sheets (4) are welded on the front side wall and the rear side wall of the shell (2).

5. A novel semiconductor axial rectifying diode according to claim 1, wherein: the shell (2) is made of silicon.

6. A novel semiconductor axial rectifying diode according to claim 1, wherein: the two pins (1) are made of tin-plated copper.

7. A novel semiconductor axial rectifying diode according to claim 1, wherein: the cross section of the clamping point (7) is circular.

8. A novel semiconductor axial rectifying diode according to claim 1, wherein: the two limiting blocks (6) are both disc-shaped.

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