CN213303810U

CN213303810U - Small transformer

Info

Publication number: CN213303810U
Application number: CN202022697595.4U
Authority: CN
Inventors: 张国强
Original assignee: Anhui Shirui Electronic Technology Co ltd
Current assignee: Anhui Shirui Electronic Technology Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-05-28
Anticipated expiration: 2030-11-20

Abstract

The utility model provides a miniature transformer relates to miniature transformer technical field. The device comprises an iron core, a wiring protection box and a wiring socket, wherein a top cover is arranged at the top of the iron core, upper clamping plates are arranged on two sides of the top cover, lower clamping plates are arranged on two sides of the bottom of the iron core under the upper clamping plates, an input wire box is arranged on one side of the top of the upper clamping plates, an output wire box is arranged on the other side of the top of the upper clamping plates, the wiring protection boxes are arranged at the bottoms of the input wire box and the output wire box, the wiring socket is arranged in the wiring protection box, the wiring protection box is additionally provided with the wiring protection box at the bottom of the input wire box and the output wire box, and a lead and the wiring socket are arranged in the wiring protection box, so that the exposed; and the quick installation mode of the wiring socket saves a slow-efficiency connection mode of welding and avoids the defect that the wiring terminal is easily damaged by environmental interference.

Description

Small transformer

Technical Field

The utility model relates to a miniature transformer technical field specifically is a miniature transformer.

Background

The miniature transformer mainly refers to a single-phase transformer below 20kV & A and a three-phase transformer below 50kV & A, and is characterized by small volume, low cost and less wire consumption. The load factor and the utilization rate of the small transformer are generally low, inductive load carried by the small transformer is generally not subjected to capacitive compensation, the small transformer is a common device in a factory electrical control system, and the small transformer is increasingly widely applied along with the fact that a large number of electronic elements are applied to control, monitoring and automatic loops of a power plant.

The input line and the output line of winding are bare knot line of no protective structure on the current small-size transformer, and the transformer is used for a long time, and the wire produces contact failure's phenomenon with the spliced pole easily after using for a long time, and then leads to the transformer to use unstablely.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a small-size transformer to the problem of proposing in solving above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a miniature transformer, includes iron core, wiring protection box and connection socket, the iron core top is provided with the top cap, the top cap both sides are provided with the punch holder, be in under the punch holder iron core bottom both sides are provided with the lower plate, punch holder top one side is provided with the input line box, punch holder top opposite side is provided with the output line box, the input line box with output line box bottom all is provided with the wiring protection box, be provided with in the wiring protection box connection socket.

Preferably, the top cap is nested for the plastics material on the iron core, the punch holder with the top cap is glued, the punch holder with all have the fastener on the lower plate, the fastener runs through the iron core will the punch holder with the lower plate card is pressed in both sides.

Preferably, the input line box with the output line box all with the punch holder welding, the input line box with the output line box is the insulating plastics material, the wiring protection box with the input line box with the output line box passes through the draw-in groove installation.

Preferably, the wiring socket is embedded in the inner wall of the wiring protection box, the tail end of the wiring socket is provided with a lead, and the bottom of the lower clamping plate is welded with a fixed bottom plate.

Preferably, the two side walls in the iron core are clamped and pressed with frameworks, a first winding and a second winding are arranged between the frameworks, the first winding and the second winding are both embedded on the iron core, and the outer wall of the winding is wrapped with a protective sleeve.

Preferably, the input line box with export the line box top and all pass through hinge connection flip again, the input line box with export the inside terminal that all installs through the screw thread of line box.

Preferably, the binding post is electrically communicated with a lead at the tail end of the wiring socket.

The utility model provides a miniature transformer, its beneficial effect who possesses as follows:

the device has the advantages that the wiring protection boxes are additionally arranged at the bottoms of the input wire box and the output wire box, and the wires and the wiring sockets are arranged in the wiring protection boxes, so that the exposed area of the wires on the winding when the wires are externally connected is reduced, and the effect of protecting the wires is achieved; and the quick installation mode of the wiring socket saves a slow-efficiency connection mode of welding and avoids the defect that the wiring terminal is easily damaged by environmental interference.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a right sectional view of the input line box and the connection protection box of the present invention;

fig. 3 is a schematic view of the connection relationship between the first winding and the second winding and the iron core.

In the figure: 1. an upper splint; 2. a lower splint; 3. a framework; 4. a fastener; 5. a first winding; 6. a protective sleeve; 7. an iron core; 8. inputting a line box; 9. a cover is turned; 10. an output line box; 11. a second winding; 12. a top cover; 13. fixing the bottom plate; 14. a wiring protection box; 15. a binding post; 16. a connection socket.

Detailed Description

The embodiment of the utility model provides a miniature transformer, as shown in fig. 1-3, including iron core 7, wiring protection box 14 and connection socket 16, iron core 7 top is provided with top cap 12, and top cap 12 both sides are provided with punch holder 1, are provided with lower plate 2 in iron core 7 bottom both sides under punch holder 1, and 1 top one side of punch holder is provided with input line box 8, and 1 top opposite side of punch holder is provided with output line box 10, and input line box 8 and output line box 10 bottom all are provided with wiring protection box 14, are provided with connection socket 16 in the protection box of working a telephone switchboard 14.

Preferably, top cap 12 is nested on iron core 7 for the plastics material, punch holder 1 splices with top cap 12, all have fastener 4 on punch holder 1 and the lower plate 2, fastener 4 runs through iron core 7 and presses punch holder 1 and the card of lower plate 2 in both sides, iron core 7 all forms with silicon steel sheet closed assembly, silicon steel sheet's thickness is generally 0.35mm, a small number is 0.5mm, its surface coats insulating varnish and dries or utilizes the oxide film on surface to make silicon steel sheet insulating each other, adopt the staggered mode usually during closed assembly to make the seam of silicon steel sheet stagger.

Preferably, input line box 8 and output line box 10 all with the top plate 1 welding, input line box 8 and output line box 10 are insulating plastics material, wiring protection box 14 passes through the draw-in groove installation with input line box 8 and output line box 10, and wiring protection box 14 not only plays insulating effect, still plays sealed protection's effect.

Preferably, the wiring socket 16 is embedded in the inner wall of the wiring protection box 14, the tail end of the wiring socket 16 is provided with a lead, the bottom of the lower clamping plate 2 is welded with the fixed bottom plate 13, and the wiring socket 16 is a quick electrical connection part and is installed in a matching manner with the corresponding external lead end on the winding.

Preferably, the frameworks 3 are clamped and pressed on two inner side walls of the iron core 7, the first winding 5 and the second winding 11 are arranged between the frameworks 3, the first winding 5 and the second winding 11 are both embedded on the iron core 7, the outer peripheral wall of the second winding 11 is wrapped with the protective sleeve 6, the protective sleeve 6 is made of insulating, high-temperature-resistant and corrosion-resistant materials, and the second winding 11 is protected.

Preferably, the tops of the input line box 8 and the output line box 10 are both connected with the turnover cover 9 through hinges, and the insides of the input line box 8 and the output line box 10 are both provided with the binding posts 15 through threads.

Preferably, the terminal post 15 is in electrical communication with a conductor at the rear end of the connector socket 16.

The working principle is as follows: when the device is used, the device is installed inside equipment through the fixed bottom plate 13, a circuit system inside the equipment is communicated with the input wire box 8 and the output wire box 10 through wires, the wires are connected with the wiring terminal 15, the external lead ends of the first winding 5 and the second winding 11 are both provided with quick plug posts and are in a normally connected state with the wiring socket 16, wherein input current flows into the first winding 5 through the wiring terminal 15 and the wiring socket 16, the first winding 5 generates proportional current in the second winding 11 after the magnetic induction action with the iron core 7, and the proportional current is output from the output wire box 10 through the wiring socket 16 and the wiring socket 15, wherein the wiring protection box 14 encapsulates a long wire externally connected to a traditional transformer winding, the exposed area of the wire on the winding when the wire is externally connected is reduced, the wire is protected from being damaged by external environmental interference, and the quick installation mode of the wiring socket 16 is adopted, the slow-efficiency connection mode of welding is omitted, and the defect that the binding post 15 is easily damaged by environmental interference is avoided.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A miniature transformer, includes iron core (7), wiring protection box (14) and wiring socket (16), its characterized in that: iron core (7) top is provided with top cap (12), top cap (12) both sides are provided with punch holder (1), under punch holder (1) iron core (7) bottom both sides are provided with lower plate (2), punch holder (1) top one side is provided with input line box (8), punch holder (1) top opposite side is provided with defeated line box (10), input line box (8) with defeated line box (10) bottom all is provided with wiring protection box (14), be provided with in wiring protection box (14) junction socket (16).

2. A miniature transformer according to claim 1, wherein: top cap (12) are nested for the plastics material on iron core (7), punch holder (1) with top cap (12) are glued, punch holder (1) with all have fastener (4) on lower plate (2), fastener (4) run through iron core (7) will punch holder (1) and lower plate (2) card is pressed in both sides.

3. A miniature transformer according to claim 2, wherein: input line box (8) with output line box (10) all with punch holder (1) welding, input line box (8) with output line box (10) are the insulating plastics material, wiring protection box (14) with input line box (8) and output line box (10) pass through the draw-in groove installation.

4. A miniature transformer according to claim 3, wherein: the wiring socket (16) is embedded in the inner wall of the wiring protection box (14), a lead is arranged at the tail end of the wiring socket (16), and a fixed bottom plate (13) is welded at the bottom of the lower clamping plate (2).

5. A miniature transformer according to claim 4, wherein: the iron core is characterized in that frameworks (3) are clamped and pressed on two inner side walls of the iron core (7), a first winding (5) and a second winding (11) are arranged between the frameworks (3), the first winding (5) and the second winding (11) are all embedded on the iron core (7), and a protective sleeve (6) is wrapped on the outer peripheral wall of the second winding (11).

6. A miniature transformer according to claim 5, wherein: input line box (8) with go out line box (10) top and all through hinge connection flip (9) again, input line box (8) with go out line box (10) inside all through the screw thread install terminal (15).

7. A miniature transformer according to claim 6, wherein: the wiring terminal (15) is electrically communicated with a lead at the tail end of the wiring socket (16).