CN210778197U

CN210778197U - Audio transformer

Info

Publication number: CN210778197U
Application number: CN201921707850.XU
Authority: CN
Inventors: 朱达鑫
Original assignee: Taizhou Xinyi Electric Appliance Co ltd
Current assignee: Taizhou Xinyi Electric Appliance Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-06-16
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses an audio transformer relates to audio transformer technical field, and is perfect inadequately at heat dispersion for solving current audio transformer, and the installation of electric wire is fixed convenient stability inadequately, and holistic performance is not perfect enough problem yet. The fixed mounting piece is all installed to the both sides of audio transformer casing, the inside of fixed mounting piece is provided with set screw hole, the protection fixed plate is all installed to the inner wall of audio transformer casing both sides, the mounting panel is installed to the inside upper end of audio transformer casing, the lower bolster is installed to the inside lower extreme of audio transformer casing, install the stationary coil safety cover between last mounting panel and the lower bolster, the front end of going up the mounting panel is provided with the wiring draw-in groove, the connecting wire is all installed to the both sides of stationary coil safety cover upper end.

Description

Audio transformer

Technical Field

The utility model relates to an audio transformer technical field specifically is an audio transformer.

Background

An audio transformer is a transformer that operates in the audio range, also known as a low frequency transformer. Operating frequencies typically range from ten to twenty kilohertz, and are commonly used to transform voltages or transform the impedance of loads, as components of circuits for voltage amplification, power output, etc. in radio communications, broadcast television, automatic control. The audio frequency transformer has uniform frequency response in a working frequency band, an iron core of the audio frequency transformer is formed by laminating high-permeability materials, the primary winding and the secondary winding are tightly coupled, so that almost all magnetic flux passing through the primary winding is linked with the secondary winding, and the coupling coefficient is close to one. The lowest frequency of the passband is determined by the primary winding inductance and the highest frequency is determined by the transformer leakage inductance. To ensure that the transformer has a sufficient passband, the primary winding inductance is large and the leakage inductance is small. Hysteresis loss of the core and magnetic circuit saturation cause signal distortion. The load is properly configured, the load current is increased, and the influence of hysteresis loss can be reduced; the cross section of the iron core is enlarged, and an air gap is left, so that the magnetic circuit can not be saturated, and the signal distortion can be reduced.

However, the existing audio transformer is easy to generate certain heat when in use, easily damages the coil, affects the service life of the whole body, is not convenient and stable enough to install and fix the electric wire, and has not perfect use performance; thus, the existing requirements are not met, and an audio transformer is provided for the audio transformer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an audio transformer to solve the current audio transformer that provides in the above-mentioned background art and perfect inadequately at heat dispersion, and the installation of electric wire is fixed convenient stability inadequately, and holistic performance is not perfect enough problem yet.

In order to achieve the above object, the utility model provides a following technical scheme: an audio transformer comprises an audio transformer shell, wherein fixed mounting blocks are respectively arranged on two sides of the audio transformer shell and are integrated with the audio transformer shell, fixing screw holes are formed in the fixed mounting blocks, protective fixing plates are respectively arranged on the inner walls of two sides of the audio transformer shell and are connected with the audio transformer shell through clamping grooves, an upper mounting plate is arranged at the upper end of the inner part of the audio transformer shell, a lower supporting plate is arranged at the lower end of the inner part of the audio transformer shell and is connected with the audio transformer shell through screws, a fixing coil protective cover is arranged between the upper mounting plate and the lower supporting plate, wiring clamping grooves are formed in the front end of the upper mounting plate and are provided with a plurality of wiring clamping grooves which are distributed in sequence, connecting wires are installed on two sides of the upper end of the fixed coil protection cover, and four connecting wires are arranged.

Preferably, one end of each connecting wire is provided with a connecting wire core head.

Preferably, a silicon steel sheet core is installed in the middle of the inside of the fixed coil protection cover, a primary coil is installed outside the silicon steel sheet core, a second coil is installed outside the primary coil, and a connection outer coil is installed outside the second coil.

Preferably, the protective fixing plate comprises an installation clamping block, a line pressing block, an auxiliary stranded wire block and a heat conduction and dissipation plate.

Preferably, the upper end of protection fixed plate is provided with the installation fixture block, and the installation fixture block is provided with two, the front end of protection fixed plate is provided with supplementary stranded conductor piece, and supplementary stranded conductor piece is provided with threely, and three supplementary stranded conductor piece distributes in proper order.

Preferably, the front end of the protective fixing plate is provided with a line pressing block and a heat conduction and radiation plate, and the line pressing block is positioned above the heat conduction and radiation plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a protection fixed plate is installed to the inner wall of audio transformer casing both sides, protection fixed plate is when wholly fixing the coil, protection fixed plate internally mounted's heat conduction heating panel can carry out the heat dissipation of certain degree, can effectively avoid causing unnecessary damage because the high temperature, holistic life has been prolonged, it produces certain heat easily when using to have solved current audio transformer, cause the damage to the coil easily, influence holistic life's problem.

2. The utility model discloses a be provided with a plurality of wiring draw-in groove at the front end of last mounting panel, can carry out the installation on next step again with the cable card in wiring draw-in groove's inside, can be better lay wire, better categorised, and the stability after the installation is higher, through with connecting the wire core head with other mechanisms install can, solved the fixed convenient stable problem inadequately of installation of current audio transformer electric wire.

3. The utility model discloses an internally mounted at the fixed coil safety cover has primary, second coil and connects the outer coil, can make holistic coil distribute more evenly, and performance is more stable, and connects the outer coil and adopt netted wiring mode, and the stability ability of wiring is better, and transmission performance when whole use is more stable, has solved the holistic performance of current audio transformer and has still not perfect enough problem.

Drawings

Fig. 1 is a perspective view of an audio transformer according to the present invention;

FIG. 2 is an internal structure view of the protective cover for a stationary coil according to the present invention;

fig. 3 is a perspective view of the protection fixing device of the present invention.

In the figure: 1. an audio transformer housing; 2. fixing the mounting block; 3. a set screw hole; 4. a protective fixing plate; 5. an upper mounting plate; 6. a lower support plate; 7. fixing a coil protection cover; 8. a wiring card slot; 9. a connecting wire; 10. connecting the wire core head; 11. a silicon steel sheet core; 12. a primary coil; 13. a second coil; 14. connecting an outer coil; 15. mounting a clamping block; 16. a line pressing block; 17. an auxiliary strand block; 18. a heat conductive and dissipating plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: an audio transformer comprises an audio transformer shell 1, wherein fixed mounting blocks 2 are respectively arranged on two sides of the audio transformer shell 1, the fixed mounting blocks 2 and the audio transformer shell 1 are of an integral structure, the structural stability is higher, fixing screw holes 3 are arranged in the fixed mounting blocks 2, protective fixing plates 4 are respectively arranged on the inner walls of the two sides of the audio transformer shell 1, the protective fixing plates 4 are connected with the audio transformer shell 1 through clamping grooves, the audio transformer is more convenient to install and disassemble, an upper mounting plate 5 is arranged at the upper end of the interior of the audio transformer shell 1, a lower supporting plate 6 is arranged at the lower end of the interior of the audio transformer shell 1, the lower supporting plate 6 and the upper mounting plate 5 are both connected with the audio transformer shell 1 through screws, the audio transformer is convenient to assemble and disassemble and is beneficial to overhaul, the pretightening force can be increased to prevent loosening, the phase change of material components, go up the front end of mounting panel 5 and be provided with wiring draw-in groove 8, wiring draw-in groove 8 is provided with a plurality of, and a plurality of wiring draw-in groove 8 distributes in proper order, and connecting wire 9 is all installed to the both sides of fixed coil safety cover 7 upper end, and connecting wire 9 is provided with four, can be better carry out the wiring, and holistic practicality is higher.

Furthermore, one end of the connecting wire 9 is provided with a connecting wire core head 10, so that the transmission performance of the connection is better.

Furthermore, a silicon steel core 11 is arranged in the middle of the inner part of the fixed coil protection cover 7, a primary coil 12 is arranged outside the silicon steel core 11, a second coil 13 is arranged outside the primary coil 12, and a connecting outer coil 14 is arranged outside the second coil 13, so that the working performance of the coil is more perfect.

Further, the protective fixing plate 4 comprises a mounting fixture block 15, a pressing block 16, an auxiliary stranded wire block 17 and a heat conducting and radiating plate 18.

Further, the upper end of protection fixed plate 4 is provided with installation fixture block 15, and installation fixture block 15 is provided with two, and the front end of protection fixed plate 4 is provided with supplementary stranded conductor piece 17, and supplementary stranded conductor piece 17 is provided with threely, and three supplementary stranded conductor piece 17 distributes in proper order, installation and wiring that can be better.

Furthermore, the front end of the protective fixing plate 4 is provided with the line pressing block 16 and the heat-conducting heat-radiating plate 18, and the line pressing block 16 is positioned above the heat-conducting heat-radiating plate 18, so that the heat-radiating performance is better.

The working principle is as follows: during the use, place audio transformer whole in the position department that needs the installation, after placing, use the screw to pass the inside set screw hole 3 of fixed mounting piece 2, fix audio transformer, guarantee the stability of performance to a certain extent, install connecting wire 9 inside different wiring draw-in groove 8 as required, carry out fixed connection with connecting wire core head 10 and different cables respectively, can begin to use after the connection is accomplished, protection fixed plate 4 of audio transformer casing 1 inner wall both sides installation except can be at audio transformer during operation, go on and fix the coil, protection fixed plate 4 internally mounted's of while heat conduction heating panel 18 can effectively dispel the heat when the coil work produces the heat, holistic performance is more stable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. An audio transformer comprising an audio transformer housing (1), characterized in that: the audio transformer comprises an audio transformer shell (1), wherein fixed mounting blocks (2) are mounted on two sides of the audio transformer shell (1), the fixed mounting blocks (2) and the audio transformer shell (1) are of an integrated structure, fixed screw holes (3) are formed in the fixed mounting blocks (2), protective fixing plates (4) are mounted on the inner walls of the two sides of the audio transformer shell (1), the protective fixing plates (4) are connected with the audio transformer shell (1) through clamping grooves, an upper mounting plate (5) is mounted at the upper end of the interior of the audio transformer shell (1), a lower supporting plate (6) is mounted at the lower end of the interior of the audio transformer shell (1), the lower supporting plate (6) and the upper mounting plate (5) are connected with the audio transformer shell (1) through screws, and a fixed coil protective cover (7) is mounted between the upper mounting plate (5) and the lower, go up the front end of mounting panel (5) and be provided with wiring draw-in groove (8), wiring draw-in groove (8) are provided with a plurality of, and a plurality of wiring draw-in groove (8) distribute gradually, connecting wire (9) are all installed to the both sides of fixed coil safety cover (7) upper end, and connecting wire (9) are provided with four.

2. The audio transformer according to claim 1, wherein: and one end of each connecting wire (9) is provided with a connecting wire core head (10).

3. The audio transformer according to claim 1, wherein: the silicon steel core (11) is installed at the middle position inside the fixed coil protection cover (7), a primary coil (12) is installed outside the silicon steel core (11), a second coil (13) is installed outside the primary coil (12), and a connecting outer coil (14) is installed outside the second coil (13).

4. The audio transformer according to claim 1, wherein: the protective fixing plate (4) comprises an installation clamping block (15), a line pressing block (16), an auxiliary stranded wire block (17) and a heat conduction and dissipation plate (18).

5. The audio transformer according to claim 4, wherein: the upper end of protection fixed plate (4) is provided with installation fixture block (15), and installation fixture block (15) are provided with two, the front end of protection fixed plate (4) is provided with supplementary stranded conductor piece (17), and supplementary stranded conductor piece (17) are provided with threely, and three supplementary stranded conductor piece (17) distribute in proper order.

6. The audio transformer according to claim 4, wherein: the front end of the protective fixing plate (4) is provided with a line pressing block (16) and a heat conduction and radiation plate (18), and the line pressing block (16) is positioned above the heat conduction and radiation plate (18).