CN112289569B

CN112289569B - Audio frequency self-coupling output transformer applied to electric vibration test system

Info

Publication number: CN112289569B
Application number: CN202011114378.6A
Authority: CN
Inventors: 管能胜
Original assignee: Guangdong Sushi Guangbo Test Technology Co ltd
Current assignee: Guangdong Sushi Guangbo Test Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-08-13
Anticipated expiration: 2040-10-19
Also published as: CN112289569A

Abstract

The invention discloses an audio self-coupling output transformer applied to an electric vibration test system, which relates to the field of transformers and comprises an upper iron yoke, a lower iron yoke and an iron core column, wherein the iron core column is arranged between the upper iron yoke and the lower iron yoke, an insulating positioning edge is fixedly arranged on the outer side of the iron core column, the insulating positioning edge is spirally wound on the periphery of the iron core column, wire grooves are formed in the upper side and the lower side of the insulating positioning edge, a first coil is fixedly arranged in the wire groove on the upper side, a second coil is fixedly arranged in the wire groove on the lower side, a power supply is connected to the first coil, the first coil and the second coil are mutually connected in series, and a load is connected to the second coil; first coil and second coil correspond and install the wire casing department on insulating location limit, and the setting on insulating location limit makes first coil and second coil separate each other for first coil and second coil equipartition are put in the outside of iron core post, have reduceed novel auto output transformer's whole occupation space, can conveniently be applied to the electronic vibration test system of audio frequency.

Description

Audio frequency self-coupling output transformer applied to electric vibration test system

Technical Field

The invention relates to the field of transformers, in particular to an audio self-coupling output transformer applied to an electric vibration test system.

Background

The autotransformer is a transformer with primary and secondary windings on the same winding, and the primary and secondary windings are directly connected in series and are self-coupled. The pressure-adjustable type and the fixed type can be further divided according to the structure. The self-coupling means electromagnetic coupling, an ordinary transformer transfers energy through electromagnetic coupling of an original side coil and a secondary side coil, the original side and the secondary side of the transformer are not in direct electrical connection, the original side and the secondary side of the transformer are in direct electrical connection, and a low-voltage coil of the transformer is a part of a high-voltage coil. Protection devices such as autotransformers are also used in protection devices for communication lines.

The auto-transformer on the market generally adopts main coil and secondary winding to constitute, and main coil and secondary winding all need twine alone on the stem, lead to the occupation space of auto-transformer very big, inconvenient being applied to the electronic vibration test system of audio frequency, therefore, need improve.

Disclosure of Invention

The invention provides a technical scheme capable of solving the problems in order to overcome the defects.

Be applied to audio frequency self coupling output transformer of electronic vibration test system, including last indisputable yoke, indisputable yoke and iron core post down, the iron core post is installed at last indisputable yoke under and between the indisputable yoke, the outside fixed mounting of iron core post has insulating location limit, insulating location limit spiral winding is in the periphery of iron core post, the equal shaping in upper and lower both sides on insulating location limit has the wire casing, the wire casing internal fixation of upside has first coil, the wire casing internal fixation of downside has the second coil, be connected with the power on the first coil, establish ties each other between first coil and the second coil and set up, be connected with the load on the second coil.

As a further scheme of the invention: the outside fixed mounting of iron core post has insulating limit, and insulating limit and insulating location limit stagger mutually and set up.

As a further scheme of the invention: the outside shaping of iron core post has the constant head tank, and insulating limit fixed mounting is in the constant head tank.

As a further scheme of the invention: the outer side edges of the insulating edge and the insulating positioning edge are arranged in parallel and level with each other.

As a further scheme of the invention: the outside on insulating limit is provided with the screw, and the both ends on insulating limit all correspond and pass through screw fixed mounting in the constant head tank.

As a further scheme of the invention: countersunk grooves are formed in the outer sides of the end portions of the insulating edges, and screws are in clearance fit in the countersunk grooves.

As a further scheme of the invention: the core limb is hollow.

Compared with the prior art, the invention has the beneficial effects that: first coil and second coil all correspond the wire casing department of installing at side about the insulating location limit, and the setting on insulating location limit makes first coil and second coil separate each other for first coil and second coil equipartition have reduceed novel auto output transformer's whole occupation space in the outside of iron core post, can conveniently be applied to the electronic vibration test system of audio frequency.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

Fig. 2 is a schematic view of a core limb of the present invention.

Fig. 3 is a schematic view of the structure at a in fig. 2.

Fig. 4 is a schematic structural diagram of the insulating edge of the present invention.

Fig. 5 is a schematic structural view of the insulating positioning edge of the present invention.

Fig. 6 is a schematic view of the structure of the first coil and the second coil of the present invention.

Shown in the figure: 1. an upper iron yoke; 2. a lower iron yoke; 3. a core limb; 4. insulating the positioning edge; 5. a wire slot; 6. a first coil; 7. a second coil; 8. a power source; 9. a load; 10. an insulating edge; 11. positioning a groove; 12. a screw; 13. countersunk head groove.

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.

Referring to fig. 1-6, an audio autotransformer applied to an electric vibration test system includes an upper yoke 1, a lower yoke 2 and an iron core column 3, the iron core column 3 is installed between the upper yoke 1 and the lower yoke 2, an insulating positioning edge 4 is fixedly installed on the outer side of the iron core column 3, the insulating positioning edge 4 is spirally wound on the periphery of the iron core column 3, wire slots 5 are formed on the upper side and the lower side of the insulating positioning edge 4, a first coil 6 is fixedly installed in the wire slot 5 on the upper side, a second coil 7 is fixedly installed in the wire slot 5 on the lower side, a power supply 8 is connected to the first coil 6, the first coil 6 and the second coil 7 are connected in series, and a load 9 is connected to the second coil 7; the principle is as follows: first coil 6 and second coil 7 all correspond and install wire casing 5 department on side about insulating location limit 4, and the setting up of insulating location limit 4 makes first coil 6 and second coil 7 separate each other for

first coil

6 and 7 equipartitions of second coil are arranged in the outside of iron core post 3, have reduceed novel auto output transformer's whole occupation space, can conveniently be applied to the electronic vibration test system of audio frequency.

As a further scheme of the invention: the outer side of the core limb 3 is fixedly provided with an insulating edge 10, and the insulating edge 10 and the insulating positioning edge 4 are arranged in a staggered manner; so that the first coil 6 and the second coil 7 do not interfere with each other.

As a further scheme of the invention: a positioning groove 11 is formed on the outer side of the core limb 3, and an insulating edge 10 is fixedly arranged in the positioning groove 11; making the mounting of the insulating edge 10 more stable.

As a further scheme of the invention: the outer side edges of the insulating edge 10 and the insulating positioning edge 4 are arranged in parallel and level with each other; the novel autotransformer has better integral appearance.

As a further scheme of the invention: the outside on insulating limit 10 is provided with screw 12, and the both ends on insulating limit 10 all correspond and pass through screw 12 fixed mounting in constant head tank 11.

As a further scheme of the invention: countersunk grooves 13 are formed in the outer sides of the end portions of the insulating edges 10, and screws 12 are in clearance fit in the countersunk grooves 13, so that the screws 12 can sink into the countersunk grooves 13, and the screws 12 are prevented from being protruded.

As a further scheme of the invention: the iron core column 3 is arranged in a hollow way; the raw material consumption in production can be reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Be applied to audio frequency self coupling output transformer of electronic vibration test system, including last indisputable yoke, indisputable yoke and iron core post down, the iron core post is installed at last indisputable yoke and down between the indisputable yoke, its characterized in that: the outside fixed mounting of iron core post has insulating location limit, insulating location limit spiral winding is in the periphery of iron core post, the equal shaping in upper and lower both sides on insulating location limit has the wire casing, the in-line fixed mounting of upside has first coil, the in-line fixed mounting of downside has the second coil, be connected with the power on the first coil, establish ties each other between first coil and the second coil and set up, be connected with the load on the second coil, the outside fixed mounting of iron core post has insulating limit, insulating limit and the setting of staggering each other on insulating location limit.

2. The audio autotransformer applied to an electrical vibration testing system of claim 1, wherein: the outside shaping of iron core post has the constant head tank, and insulating limit fixed mounting is in the constant head tank.

3. The audio autotransformer applied to an electrical vibration testing system according to claim 1 or 2, wherein: the outer side edges of the insulating edge and the insulating positioning edge are arranged in parallel and level with each other.

4. The audio autotransformer applied to an electrical vibration testing system of claim 2, wherein: the outside on insulating limit is provided with the screw, and the both ends on insulating limit all correspond and pass through screw fixed mounting in the constant head tank.

5. The audio autotransformer applied to an electrical vibration testing system of claim 4, wherein: countersunk grooves are formed in the outer sides of the end portions of the insulating edges, and screws are in clearance fit in the countersunk grooves.

6. The audio autotransformer applied to an electrical vibration testing system of claim 1, wherein: the core limb is hollow.