CN202307474U

CN202307474U - Power transformer

Info

Publication number: CN202307474U
Application number: CN201120402010XU
Authority: CN
Inventors: 任珍
Original assignee: KUNMING DAGONG ELECTRONIC FACTORY
Current assignee: KUNMING DAGONG ELECTRONIC FACTORY
Priority date: 2011-10-21
Filing date: 2011-10-21
Publication date: 2012-07-04
Anticipated expiration: 2021-10-21

Abstract

The utility model discloses a power transformer, which comprises a magnetic core, a copper wire winding and a lead-out wire of the copper wire winding, and is characterized in that: an insulating bushing is sleeved on the lead-out wire. A double-layer bushing (TUBE) is additionally arranged on the lead-out wire of the power transformer, so that the insulating strength is enhanced. Due to protection of the double-layer bushing, the lead-out wire is not ruptured by bending or tension during manufacturing, packaging, transportation and assembling; and therefore, breakdown of a component caused by contact with a peripheral part or conduction caused by over short distance with a top cover is prevented, the insulation of the lead-out wire is improved, the circuit can stably operate, and the potential safety hazard is eliminated. The double-layer bushing can also be used for protecting the lead-out wire, so that acceleration of aging of the lead-out wire due to higher temperature is prevented.

Description

Power transformer

Technical field

The utility model relates to a kind of electronic transformer, relates in particular to a kind of power transformer.

Background technology

Power transformer is the power transformer of low-voltage, high electric current, and the electric current in its circuit is generally at 150A, and transformer is imported, output lead-out wire electric current is very big.In the prior art; The input of power transformer, output lead-out wire are arranged and restricted by circuit; The output design is placed on the PIN pin of transformer framework BOBBIN bottom, and input has only from cabling on cable rack, and transformer is upside down on the machine plate during installation; Machine plate upper periphery a lot of parts of arranging, and machine cap is arranged at the top.The lead-out wire of these inputs, output is prone in processing procedure, packing, transportation, assembling process by bending or stretching; Because lead-out wire self dielectric strength is not enough; If by bending or stretching; Bigger electric current contacts with machine plate upper periphery parts and is prone to cause peripheral parts breakdown, or because of closely causing conduction with top machine cap distance, produces potential safety hazard.

The utility model content

The utility model technical problem to be solved provides a kind of power transformer, prevents because the lead-out wire dielectric strength is not enough, contact with peripheral parts to cause parts breakdown or conduct electricity with machine cap, eliminates safe hidden trouble.

For solving the problems of the technologies described above, the utility model provides a kind of power transformer, comprises the lead-out wire of magnetic core, copper cash winding and copper cash winding, it is characterized in that sheathed insulating sleeve on the said lead-out wire.

Said insulating sleeve is a bilayer sleeve.

Said bilayer sleeve or be the outer fiber coating pipe of interior glue, or be interior fibre gum cover pipe outward.

Said bilayer sleeve is the silicon rubber glass fibre sleeve.

The beneficial effect that the utility model reached:

The utility model increases bilayer sleeve (TUBE) on the lead-out wire of power transformer, reinforced insulation intensity is simple in structure, convenient and easy.Because the protection of bilayer sleeve; In processing procedure, packing, transportation, assembling process; Lead-out wire is carried out bending or stretch it is broken, prevented to contact and cause parts breakdown or cause conduction, improved leak-out wire insulation property with top machine cap hypotelorism with peripheral parts; Make the stable operation of circuit ability, eliminated potential safety hazard.Bilayer sleeve can also be protected lead-out wire, prevents to quicken owing to temperature is higher the aging of lead-out wire.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described.Following examples only are used for more clearly explaining the technical scheme of the utility model, and can not limit the protection range of the utility model with this.

As shown in Figure 1, the power transformer of the utility model comprises magnetic core 1, copper cash winding 2, the lead-out wire 3 of copper cash winding; All be with bilayer sleeve 4 on the every lead-out wire 3 at transformer top; Lead-out wire 3 is an enamelled wire, and the bilayer sleeve 4 that overcoat is used to insulate makes lead-out wire have better insulating properties.

The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and distortion, these improvement and distortion also should be regarded as the protection range of the utility model.

Claims

1. power transformer comprises the lead-out wire of magnetic core, copper cash winding and copper cash winding it is characterized in that sheathed insulating sleeve on the said lead-out wire.

2. power transformer according to claim 1 is characterized in that, said insulating sleeve is a bilayer sleeve.

3. power transformer according to claim 2 is characterized in that, said bilayer sleeve or be the outer fiber coating pipe of interior glue, or be interior fibre gum cover pipe outward.

4. power transformer according to claim 3 is characterized in that, said bilayer sleeve is the silicon rubber glass fibre sleeve.