CN218918622U

CN218918622U - New energy high-performance safety driving transformer

Info

Publication number: CN218918622U
Application number: CN202223204585.8U
Authority: CN
Inventors: 李俊华; 洪冬杰; 杨胜麒
Original assignee: Shanghai Meixing Electronic Co ltd
Current assignee: Shanghai Meixing Electronic Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-25
Anticipated expiration: 2032-12-01

Abstract

New energy high performance safety rule driving transformer includes: skeleton body, shell, PIN seat baffle, coil, wire winding groove, magnetic core, wire winding groove baffle and keep apart the baffle, and the skeleton body is connected with the shell, and coil and magnetic core are connected with the skeleton body, and PIN and skeleton body coupling, PIN seat baffle and skeleton body coupling, wire winding groove baffle parallel arrangement are in the middle of the skeleton body, are equipped with the wire winding groove between wire winding groove baffle and the skeleton body, are equipped with the wire winding groove between the wire winding groove baffle, keep apart the baffle and locate between PIN and the magnetic core. Compared with the prior art, the winding grooves of the transformer are designed into a multi-groove mode, and the interlayer voltage difference of the windings is reduced through the winding groove baffles among the grooves. By additionally arranging the PIN seat baffle and the isolation baffle, the surface distance is increased, and the requirements of conventional electrical performance and safety distance are met. The high-performance three-layer insulated wire and the complete insulated wire are used, so that the insulation performance of the coil is enhanced.

Description

New energy high-performance safety driving transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a new energy high-performance safety driving transformer.

Background

With the updating of semiconductor technology and the updating of power module IGBT technology, the new energy industry and the pushing of double carbon requirements need higher driving power, faster driving speed, faster charging time, smaller volume and weight; the three-electricity technology requirements of new energy automobiles are being replaced, the battery voltage and the charging voltage are increased from 200V to 400V, and the battery voltage and the charging voltage are increased to 800V to 1200V, so that the insulation safety of electric elements is particularly important in the background, and all components need to be re-evaluated and designed.

The electric motor control driving transformer of the new energy electric automobile is used as a key core element of a driving motor, and the insulation safety directly relates to vehicle safety and road traffic safety; here, a drive transformer according to the new technical standard is necessary for the electrical isolation and the circuit drive.

The prior isolation driving transformer is designed with the working voltage of 200 to 400V, the material selection standard is the same as that of part of consumer electronic and industrial application devices, the installation requirement and the structural design are universal, and the insulation safety can not meet the application of 800 to 1200V after upgrading.

Accordingly, a series of improvements have been made in order to solve the above-described problems.

Disclosure of Invention

The utility model aims to provide a new energy high-performance safety driving transformer so as to overcome the defects and the shortcomings in the prior art.

New energy high performance safety rule driving transformer includes: skeleton body, shell, PIN seat baffle, coil, wire winding groove, magnetic core, wire winding groove baffle and isolation baffle, the skeleton body is connected with the shell, coil and magnetic core are connected with the skeleton body, PIN and skeleton body coupling, PIN seat baffle and skeleton body coupling, wire winding groove baffle parallel arrangement is in the middle of the skeleton body, be equipped with the wire winding groove between wire winding groove baffle and the skeleton body, be equipped with the wire winding groove between the wire winding groove baffle, the isolation baffle is located between PIN and the magnetic core.

Further, the surface distance between the PIN is more than or equal to 5.0mm, and the PIN seat baffle is connected with the PCB.

Further, the creepage distance between the PIN and the magnetic core is more than or equal to 2.5mm.

Further, the coil is made of three layers of insulating wires.

Further, the coil is made of a completely insulated wire.

Further, the PIN is a C-type PIN.

Further, the winding groove baffle plate is made of bakelite.

The utility model has the beneficial effects that:

compared with the prior art, the transformer winding slot is designed into a multi-slot mode, and the inter-layer voltage difference of windings is reduced by the winding slot baffle plate between the slots among the winding coils. By additionally arranging the PIN seat baffle and the isolation baffle, the surface distance is increased, and the requirements of conventional electrical performance and safety distance are met. The high-performance three-layer insulated wire and the complete insulated wire are used, so that the insulation performance of the coil is enhanced. The shell is added at the top of the coil, so that the insulation performance of the coil and surrounding parts is improved. The novel structure of the C-shaped PIN can meet the use function and the installation condition.

Drawings

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is a top view of the present utility model.

Fig. 3 is a side view of the present utility model.

Fig. 4 is a schematic view of another angle structure of the present utility model.

Reference numerals:

the bobbin body 100, the case 200, the PIN300, the PIN pad shield 400, the coil 500, the winding slot 600, the magnetic core 700, the winding slot shield 800, and the isolation shield 900.

Detailed Description

The utility model will now be further described with reference to specific examples. It should be understood that the following examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model.

Example 1

Fig. 1 is an exploded view of the present utility model. Fig. 2 is a top view of the present utility model. Fig. 3 is a side view of the present utility model. Fig. 4 is a schematic view of another angle structure of the present utility model.

As shown in fig. 1-4, the new energy high performance safety driving transformer comprises: skeleton body 100, shell 200, PIN300, PIN seat baffle 400, coil 500, wire winding groove 600, magnetic core 700, wire winding groove baffle 800 and keep apart baffle 900, skeleton body 100 is connected with shell 200, coil 500 and magnetic core 700 are connected with skeleton body 100, PIN300 is connected with skeleton body 100, PIN seat baffle 400 is connected with skeleton body 100, wire winding groove baffle 800 parallel arrangement is in the middle of skeleton body 100, wire winding groove 600 is equipped with between wire winding groove baffle 800 and the skeleton body 100, wire winding groove 600 is equipped with between wire winding groove baffle 800, keep apart baffle 900 locates between PIN300 and magnetic core 700.

The creepage distance between PIN300 is more than or equal to 5.0mm, and PIN pad baffle 400 is connected with PCB.

The face distance between PIN300 and core 700 is 2.5mm or more.

The coil 500 is made of three layers of insulated wires.

The material of the coil 500 is a completely insulated wire.

PIN300 is a C-type PIN.

The wire winding groove baffle 800 is made of bakelite.

The utility model starts from the aspect of product structure, and optimizes the design and the installation mode of the transformer by combining the use requirement of a circuit. The winding grooves of the transformer are designed into a multi-groove mode, and the winding grooves among the winding coils pass through the winding groove baffle plates among the grooves, so that the interlayer voltage difference of the windings is reduced, the teflon sleeve and the coil adhesive tape can be canceled, the production process is simplified, and the automatic production is realized. By additionally arranging a PIN seat baffle and an isolation baffle, the surface distance between PINs with different output voltages is increased to be more than 5.0 mm; in addition, the PIN seat baffle is inserted into the notch of the PCB, the surface distance on the PCB is increased to be more than 3.5mm, the isolation baffle of the PIN and the magnetic core is increased, and the PIN is lengthened, so that the surface distance between the PIN and the magnetic core is increased to be more than 2.5mm, and the requirements of conventional electrical performance and safety distance are met. The high-performance three-layer insulated wire and the complete insulated wire are used, so that the insulation performance of the coil is enhanced. The insulating material can meet the UL requirement and the temperature condition of 150 degrees. The shell is added at the top of the coil, so that the insulation performance of the coil and surrounding parts is improved, and meanwhile, heat dissipation and complete SMT automatic installation are facilitated. Meanwhile, the buckle and the silica gel are used for bonding and assembling, paint dipping is avoided, and automatic production and environmental protection requirements are met. The novel structure of the C-shaped PIN is used, so that the use function and the installation condition are met, and the production and the quality are facilitated.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The present utility model has been described in detail with reference to the embodiments, but the present utility model is not limited thereto, and various modifications may be made without departing from the spirit of the present utility model.

Claims

1. New forms of energy high performance safety rule driving transformer, its characterized in that includes: skeleton body (100), shell (200), PIN (300), PIN seat baffle (400), coil (500), wire winding groove (600), magnetic core (700), wire winding groove baffle (800) and keep apart baffle (900), skeleton body (100) are connected with shell (200), coil (500) and magnetic core (700) are connected with skeleton body (100), PIN (300) are connected with skeleton body (100), PIN seat baffle (400) are connected with skeleton body (100), wire winding groove baffle (800) parallel arrangement is in the middle of skeleton body (100), be equipped with wire winding groove (600) between wire winding groove baffle (800) and skeleton body (100), be equipped with wire winding groove (600) between wire winding groove baffle (800), keep apart between baffle (900) locate PIN (300) and magnetic core (700).

2. The new energy high performance safety driving transformer according to claim 1, wherein: the surface distance between the PIN (300) is more than or equal to 5.0mm, and the PIN seat baffle (400) is connected with the PCB.

3. The new energy high performance safety driving transformer according to claim 1, wherein: the surface distance between the PIN (300) and the magnetic core (700) is more than or equal to 2.5mm.

4. A new energy high performance safety driving transformer according to any one of claims 1-3, wherein: the coil (500) is made of three layers of insulating wires.

5. A new energy high performance safety driving transformer according to any one of claims 1-3, wherein: the coil (500) is made of a completely insulated wire.

6. A new energy high performance safety driving transformer according to any one of claims 1-3, wherein: the PIN (300) is a C-type PIN.

7. A new energy high performance safety driving transformer according to any one of claims 1-3, wherein: the winding groove baffle plate (800) is made of bakelite.