CN219658485U

CN219658485U - Special mutual inductor for automobile electronics

Info

Publication number: CN219658485U
Application number: CN202320244145.0U
Authority: CN
Inventors: 何家良; 陈传真; 卢国胜; 李振鹏
Original assignee: Getwell Electronic Huizhou Co ltd
Current assignee: Getwell Electronic Huizhou Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-09-08
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to a special transformer for automobile electronics, which comprises a shell, a transformer main body, a damping mechanism arranged at the bottom of the shell, a wiring board arranged at the top of the shell, wiring holes arranged on the wiring board, a limiting board arranged at the top of the shell and heat dissipation components arranged at two sides of the shell, wherein the damping mechanism is arranged at the bottom of the shell; the damping mechanism comprises an upper connecting plate, a first pressing seat arranged at the bottom of the upper connecting plate, a second pressing seat matched with the first pressing seat, a damping pad arranged at the bottom of an inner cavity of the second pressing seat, a lower connecting plate connected with the bottom of the second pressing seat, a first pressing seat inserted into the second pressing seat, and a limiting ring used for limiting the first pressing seat arranged on the upper part of the inner wall of the second pressing seat. According to the utility model, the damping mechanism is arranged to prevent the transformer body from being damaged due to vibration for a long time, so that the normal use of the transformer is affected, the limiting plate prevents the wiring part of the wire from being pulled by external force or aged due to long time, so that the potential safety hazard caused by loosening and falling of the wire is avoided, and the radiating component helps the transformer to radiate.

Description

Special mutual inductor for automobile electronics

Technical Field

The utility model relates to the technical field of transformers, in particular to a special transformer for automobile electronics.

Background

The transformer is also called as an instrument transformer, and is a generic term of a current transformer and a voltage transformer. Can change high voltage into low voltage and large current into small current for measuring or protecting system. The China automobile electronic market enters a rapid development period, so that a great deal of requirements of the transformer are driven, the running environment of the automobile is not constant, and running environments with large vibration, high temperature and the like can exist, so that the quality requirements of the transformer are particularly strict. However, the existing transformer also has the problems of easy damage during use in vibration occasions, easy disconnection of the wiring part of the lead and poor heat dissipation effect. For example, patent application No. cn201821374279.X discloses a fully insulated wire-type reinforced insulation patch current transformer for a new energy automobile, which only strengthens the insulation of the transformer, and does not consider that the running transformer of the automobile under a severe environment may have problems, such as how to cope with environments with large vibration, high temperature and the like, and has poor practicability.

Disclosure of Invention

In order to solve the problems, the utility model provides the transformer special for the automobile electronics, which can normally operate in the environment with large vibration and high temperature.

The utility model is realized by the following scheme: the utility model provides a special mutual-inductor of automotive electronics, includes the casing, set up in the inside mutual-inductor main part of casing, set up in the damper of the bottom of casing, set up in the wiring board at casing top, set up in the wiring hole on the wiring board, set up in at least two limiting plates at casing top, and set up in the radiating component of casing both sides; the damping mechanism comprises an upper connecting plate, a first pressing seat arranged at the bottom of the upper connecting plate, a second pressing seat matched with the first pressing seat, a damping pad arranged at the bottom of an inner cavity of the second pressing seat, a lower connecting plate connected with the bottom of the second pressing seat, and a limiting ring used for limiting the first pressing seat. The utility model is beneficial to increasing the damping effect of the transformer body by arranging the damping mechanism, so that the transformer can be normally used in vibration occasions, the transformer body is prevented from being damaged due to vibration for a long time, the normal use of the transformer is affected, and the service life of the transformer is prolonged. The design of limiting plate not only can help the mutual-inductor to deal with the problem that receives external force impact to lead to the electric wire to drop in vibrations occasion, can also prevent that the electric wire from ageing owing to the time is permanent, not hard up potential safety hazard that drops and bring, and radiator unit helps the mutual-inductor heat dissipation, avoids long-time too high heat to pile up and arouses the coil sheath ageing, has the problem of certain potential safety hazard.

Further, a plurality of brackets are further arranged at the top of the shell, and the limiting plate is arranged on the brackets.

Further, the limiting plate is provided with a wire pressing hole opposite to the axis of the wiring hole, the bottom of the limiting plate is provided with a plurality of grooves, and the grooves are clamped at the bottom of the bracket.

Furthermore, the limiting plate is also provided with a countersunk hole, and a fastener is arranged in the countersunk hole.

Further, the support is of a 'back' structure, the bottom of the support is connected with the shell, and an opening is formed in the top of the support.

Further, the heat dissipation assembly comprises a heat dissipation groove, and a heat dissipation fin arranged adjacent to the heat dissipation groove, wherein the bottom of the heat dissipation fin is connected with the shell.

Further, the shock pad is made of rubber, a metal block is arranged in the shock pad, and the shock pad is arranged at the lower part of the first pressing seat and located in the second pressing seat.

Further, the cross section of the first pressing seat is set to be T-shaped, the first pressing seat is matched with the first pressing seat, and the upper end of the first pressing seat is limited by the limiting ring.

Further, the upper connecting plate and the lower connecting plate are both rectangular steel plates, and the upper connecting plate is connected with the bottom of the shell.

Further, symmetrically distributed mounting holes are formed in the periphery of the lower connecting plate.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model is beneficial to increasing the damping effect of the transformer body by arranging the damping mechanism, so that the transformer can be normally used in vibration occasions, the transformer body is prevented from being damaged due to vibration for a long time, the normal use of the transformer is affected, and the service life of the transformer is prolonged. The design of limiting plate not only can help the mutual-inductor to deal with the problem that receives external force impact to lead to the electric wire to drop in vibrations occasion, can also prevent that the electric wire from ageing owing to the time is permanent, not hard up potential safety hazard that drops and bring, and radiator unit helps the mutual-inductor heat dissipation, avoids long-time too high heat to pile up and arouses the coil sheath ageing, has the problem of certain potential safety hazard.

Drawings

Fig. 1 is a schematic structural diagram of a transformer special for automotive electronics.

Fig. 2 is an exploded view of a part of the structure of the transformer for the automotive electronics provided by the utility model.

FIG. 3 is a schematic cross-sectional view of a shock absorbing mechanism according to the present utility model.

The figure comprises the following components: the housing 10, the bracket 20, the opening 21, the damper mechanism 30, the upper connecting plate 31, the lower connecting plate 32, the mounting hole 321, the first pressing seat 33, the second pressing seat 34, the damper 35, the metal block 36, the limiting ring 37, the wiring board 40, the wiring hole 41, the limiting plate 50, the wire pressing hole 51, the groove 52, the counter bore 53, the fastener 54, the heat dissipating assembly 60, the heat dissipating groove 61, and the heat dissipating fin 62.

Detailed Description

In order to facilitate an understanding of the present utility model by those skilled in the art, the present utility model will be described in further detail with reference to specific examples and drawings.

Referring to fig. 1 to 3, the present utility model provides a transformer for automotive electronics, which includes a housing 10, a transformer body (not shown in the drawings) disposed in the housing 10, a damping mechanism 30 disposed at the bottom of the housing 10, a wiring board 40 disposed at the top of the housing 10, wiring holes 41 disposed on the wiring board 40, at least two limiting boards 50 disposed at the top of the housing 10, and heat dissipation assemblies 60 disposed at both sides of the housing 10. Because the automobile running environment is not constant, the running environments such as large vibration and high temperature exist, the requirements on the quality of the transformer product are particularly high, and the special transformer for the automobile can help the transformer main body to dissipate heat, so that the problem that coil covers are aged due to long-time overhigh heat accumulation is avoided, a certain potential safety hazard exists, the damping mechanism 30 is arranged to be beneficial to increasing the damping effect of the transformer, the transformer can be normally used in vibration occasions, the problem that wires fall off due to the fact that the wiring part is impacted by external force in the vibration occasions is further prevented, or the problem that the wires become loose and fall off due to long-time aging and the potential safety hazard exists due to the fact that the limiting plate 50 is arranged.

The shock absorbing mechanism 30 comprises an upper connecting plate 31, a lower connecting plate 32, a first pressing seat 33, a second pressing seat 34, a shock absorbing pad 35, a metal block 36 and a limiting ring 37. The upper end of the upper connecting plate 31 is connected with the bottom of the shell 10, a first pressing seat 33 is welded in the middle of the lower end of the upper connecting plate 31, a lower connecting plate 32 is welded at the lower end of a second pressing seat 34, and the first pressing seat 33 is inserted into the second pressing seat 34. The restriction ring 37 is screw-mounted on an upper portion of an inner wall of the second press seat 34 such that the first press seat 33 reciprocates in a height direction of the second press seat 34 without falling off. The shock pad 35 is installed at the bottom of the inner cavity of the second pressing seat 34, and the specific shock pad 35 can be glued at the left and right sides and the middle part of the lower part of the inner wall of the inner cavity of the second pressing seat 34.

The top of casing 10 still is provided with a plurality of support 20, limiting plate 50 set up in on the support 20, support 20 not only can fix limiting plate 50, makes the fixed effect of electric wire better, makes things convenient for the dismantlement, the change of limiting plate 50, maintains. In this embodiment, the bracket 20 is in a "back" structure, the bottom of the bracket 20 is fixedly mounted on the top of the housing 10 by a fastener, and the top of the bracket 20 is provided with an opening 21, so that the limiting plate 50 is conveniently mounted in the bracket 20. The limiting plate 50 is inserted into the bracket 20 through the opening 21, a plurality of grooves 52 are formed in the bottom of the limiting plate 50, the grooves 52 are connected to the bottom of the bracket 20 and can move on the bracket 20 along the length direction of the bottom of the bracket 20, a counter bore 53 is further formed in the limiting plate 50, a fastener 54 is arranged in the counter bore 53, a wire pressing hole 51 is formed in the limiting plate 50, and the wire pressing hole 51 is opposite to the axis of the wire connecting hole 41. When the electric wire is connected to the wiring board 40, the limiting plate 50 can enable the groove 52 on the limiting plate 50 to slide at the bottom of the bracket 20 by twisting the fastening piece 54, the wire pressing hole 51 on the limiting plate 50 surrounds the electric wire, the electric wire is buckled in the wire pressing hole 51, the limiting plate 50 is locked through the fastening piece 54, the electric wire is prevented from falling off, and the problem that the electric wire falls off due to aging caused by long-time use or external force impact on a vibration occasion is solved.

The heat dissipation assembly 60 can help the transformer body dissipate heat, so that the coil cover is prevented from aging due to long-time excessively high heat accumulation, and certain potential safety hazards exist. Specifically, the heat dissipating assembly 60 includes a heat dissipating groove 61, a heat dissipating fin 62 disposed adjacent to the heat dissipating groove 61, and a bottom of the heat dissipating fin 62 is connected to the housing 10.

In this embodiment, the shock pad 35 is made of rubber, such as a rubber pad, and a metal block 36, such as a steel block, is further disposed inside the shock pad 35. Specifically, the shock attenuation, 35 set up in the inside of the lower part of first pressure seat 33 and second pressure seat 34, be convenient for carry out the shock attenuation through shock pad 35, the problem that rocks appears easily in the setting of metal piece 36 has avoided the shock attenuation in-process, influences the shock attenuation effect.

In this embodiment, the first pressing seat 33 is set to be T-shaped, the first pressing seat 33 and the second pressing seat 34 are adapted, and meanwhile, the upper end of the first pressing seat 44 is limited by the limiting ring 37, so as to be convenient for moving in cooperation with the first pressing seat 33, and simultaneously, performing pressure reduction protection therewith.

In this embodiment, the upper connecting plate 31 and the lower connecting plate 32 are respectively rectangular steel plates, and the upper connecting plate 31 and the bottom of the housing 10 are connected by bolts and nuts, so that the upper connecting plate 31 and the lower connecting plate 32 are conveniently connected and used.

In this embodiment, symmetrical and separate mounting holes 321 are provided at four corners of the upper surface of the lower connecting plate 32, so as to facilitate the fixed mounting of the lower connecting plate 32.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the scope of the appended claims.

Claims

1. The transformer special for the automobile electronics is characterized by comprising a shell, a transformer main body arranged in the shell, a damping mechanism arranged at the bottom of the shell, a wiring board arranged at the top of the shell, wiring holes arranged on the wiring board, at least two limiting plates arranged at the top of the shell and heat dissipation components arranged at two sides of the shell, wherein the transformer main body is provided with a damping mechanism; the damping mechanism comprises an upper connecting plate, a first pressing seat arranged at the bottom of the upper connecting plate, a second pressing seat matched with the first pressing seat, a damping pad arranged at the bottom of an inner cavity of the second pressing seat, a lower connecting plate connected with the bottom of the second pressing seat, and a limiting ring used for limiting the first pressing seat.

2. The transformer for automotive electronics according to claim 1, wherein the top of the housing is further provided with a plurality of brackets, and the limiting plate is disposed on the brackets.

3. The transformer for automotive electronics according to claim 2, wherein the limiting plate is provided with a wire pressing hole opposite to the axis of the wire connecting hole, the bottom of the limiting plate is provided with a plurality of grooves, and the grooves are clamped at the bottom of the bracket.

4. The transformer for automotive electronics of claim 3, wherein the limiting plate is further provided with a counterbore in which a fastener is disposed.

5. The transformer for automotive electronics according to claim 2, wherein the bracket has a "back" shape, the bottom of the bracket is connected to the housing, and the top of the bracket is provided with an opening.

6. The instrument transformer for automotive electronics of claim 1, wherein the heat sink assembly comprises a heat sink, a heat sink disposed adjacent to the heat sink, and a bottom of the heat sink is coupled to the housing.

7. The transformer for automotive electronics of claim 1, wherein the shock pad is made of rubber, a metal block is disposed inside the shock pad, and the shock pad is disposed at a lower portion of the first pressing seat and is disposed inside the second pressing seat.

8. The transformer for automotive electronics of claim 1, wherein the cross section of the first pressing seat is T-shaped, the first pressing seat is adapted to the first pressing seat, and the upper end of the first pressing seat is limited by the limiting ring.

9. The transformer for automotive electronics of claim 1, wherein the upper and lower connection plates are rectangular steel plates, and the upper connection plate is connected to the bottom of the case.

10. The transformer for automotive electronics according to claim 1, wherein the lower connection plate is provided with symmetrically distributed mounting holes around the periphery.