CN213366360U

CN213366360U - Switch power supply transformer

Info

Publication number: CN213366360U
Application number: CN202022292755.7U
Authority: CN
Inventors: 吴章雄
Original assignee: Zizhong Hongxinhe Electronics Co ltd
Current assignee: Zizhong Hongxinhe Electronics Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-04
Anticipated expiration: 2030-10-15

Abstract

The utility model relates to a switching power supply transformer, including skeleton, coil winding, magnetic core, the coil winding coiling is on the skeleton, coil winding sets up in the magnetic core, still includes: the controller is arranged on the framework, a frequency inductor and a current inductor are arranged between the coil winding and the magnetic core, and the frequency inductor and the current inductor are respectively connected with the controller; the controller is also connected with a temperature detection circuit, the temperature detection circuit comprises a thermistor, and the thermistor is connected to the switching power supply transformer; wherein a heat radiation component is arranged between the framework and the coil winding. The utility model can monitor the condition of the output signal of the transformer in real time, is convenient for removing faults in time, can work efficiently and stably, has balanced power supply, and can achieve the effect of power saving; be equipped with excess temperature protection and increase heat-conducting component, strengthen the radiating effect, avoid the coil in the heat concentrate lead to the high temperature.

Description

Switch power supply transformer

Technical Field

The utility model relates to a technical field of transformer, especially switching power supply transformer's technical field.

Background

The switch power supply transformer is a power supply transformer added with a switch tube, and has the functions of insulation isolation and power transmission on the basis of the function of the transformer, and the switch power supply transformer and the switch tube form a self-excited or separately-excited intermittent oscillator together, so that the input direct-current voltage is modulated into high-frequency pulse voltage to play roles in energy transmission and conversion. Switching power supply transformers are generally used in switching power supplies and other applications involving high frequency circuits.

The switching power supply transformer is mainly composed of a magnetic material, a conducting wire material and an insulating material. The heating problem of the switching power supply transformer occurs most, and due to the sealing property of the structure, the temperature inside the switching power supply transformer is higher than the outside, other faults are easy to occur, real-time induction is not available, and the problems can not be fed back in time, so that the faults are difficult to remove, and the condition of electric energy waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a switching power supply transformer which can monitor the condition of the output signal of the transformer in real time, is convenient for removing faults in time, can work efficiently and stably, has balanced power supply and can achieve the effect of power saving; be equipped with excess temperature protection and increase heat-conducting component, strengthen the radiating effect, avoid the coil in the heat concentrate lead to the high temperature.

The utility model discloses an overcome the problem that prior art exists, provide following technical scheme:

switching power supply transformer, including skeleton, coil winding, magnetic core, coil winding coiling is on the skeleton, coil winding sets up in the magnetic core, still includes:

the controller is arranged on the framework, a frequency inductor and a current inductor are arranged between the coil winding and the magnetic core, and the frequency inductor and the current inductor are respectively connected with the controller; the controller is also connected with a temperature detection circuit, the temperature detection circuit comprises a thermistor, and the thermistor is connected to the switching power supply transformer;

wherein a heat radiation component is arranged between the framework and the coil winding.

In the switching power supply transformer disclosed in the present application, optionally, the coil winding includes a plurality of primary windings and a plurality of secondary windings, and the secondary winding turns are the same, the pin is installed to skeleton one side equidistance.

In the switching power supply transformer disclosed in the present application, optionally, a synchronous circuit board is disposed on one side of the coil winding, and the synchronous circuit board is connected to the plurality of primary windings, the plurality of secondary windings, and the pins, respectively.

In the switching power supply transformer disclosed in the present application, optionally, the magnetic core is enclosed into a hollow structure, a hollow tube is disposed on a surface of the magnetic core, and a secondary magnetic core is disposed inside the hollow tube.

In the switching power supply transformer disclosed in the present application, optionally, a protective thermal insulation layer is provided outside the magnetic core.

In the switching power supply transformer disclosed in the present application, optionally, the heat dissipation assembly includes a heat conduction member extending into the coil winding, and a heat dissipation bracket connected to the heat conduction member, and the heat dissipation bracket is arranged with a plurality of heat dissipation fins.

In the switching power supply transformer disclosed in the present application, optionally, the heat dissipation bracket may be detachably fixed to the bobbin.

The utility model has the advantages that:

the utility model can monitor the condition of the output signal of the transformer in real time, and can be operated and adjusted when exceeding a certain range, thereby facilitating the trouble removal in time, realizing the high-efficiency and stable work, balancing the power supply and achieving the power-saving effect; be equipped with excess temperature protection and increase heat-conducting component, strengthen the radiating effect, avoid the coil in the heat concentrate lead to the high temperature, influence transformer output effect.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

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, 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 diagram of an external overall structure of a switching power supply transformer;

FIG. 2 is a right side view of FIG. 1;

fig. 3 is a schematic diagram of a coil winding.

In the drawings

1-a framework; 2-a coil winding; 21-a synchronous circuit board; 22-frequency inductor; 23-a current sensor; 24-a primary winding; 25-a secondary winding; 3-a pin; 4-a magnetic core; 5-protecting the heat insulation layer; 6-a controller; 7-a heat dissipation bracket; 71-heat dissipation fins.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Moreover, the embodiments of the present application may repeat reference numerals or letters in the various examples, which are repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

As fig. 1, fig. 2, fig. 3, the utility model discloses, switching power supply transformer, including skeleton 1, coil winding 2, magnetic core 4, coil winding 2 coiling is on skeleton 1, coil winding 2 sets up in magnetic core 4, still includes:

the controller 6 is arranged on the framework 1, a frequency inductor 22 and a current inductor 23 are arranged between the coil winding 2 and the magnetic core 4, and the frequency inductor 22 and the current inductor 23 are respectively connected with the controller 6; the frequency sensor 22 monitors the frequency change and stability of the output signal in the switching power supply transformer in real time, and the current sensor 23 monitors the current stability of the output signal in the switching power supply transformer in real time and transmits the signal to the controller 6, and when the frequency change and stability exceed a certain range, the operation and adjustment can be carried out. The fault can be conveniently and timely eliminated, and the work can be efficiently and stably carried out.

The controller 6 is also connected with a temperature detection circuit, the temperature detection circuit comprises a thermistor, and the thermistor is connected to a switching power supply transformer; the temperature detection circuit can detect and receive temperature signals and transmit the temperature signals to the controller 6, the control signals are output to close and open the circuit, when the temperature is too high, the circuit can be closed for a short time, and the output is recovered after the temperature is reduced, so that over-temperature protection is realized.

Coil winding 2 includes a plurality of primary 24 and a plurality of secondary 25, and the secondary 25 turns is the same, pin 3 is installed to skeleton 1 one side equidistance.

One side of the coil winding 2 is provided with a synchronous circuit board 21, and the synchronous circuit board 21 is respectively connected with a plurality of primary windings 24, a plurality of secondary windings 25 and pins 3. The primary winding 24 and the secondary winding 25 are wound from the same name end to the other end in the same winding direction. Through the coordination of the synchronous circuit board 21, the synchronous regulation voltage and frequency are coordinated and stable, the power supply is balanced and stable, and the purpose of saving electricity is achieved.

The magnetic core 4 is enclosed into a hollow structure, a hollow pipe is arranged on the surface of the magnetic core 4, and a secondary magnetic core is arranged in the hollow pipe.

And a protective heat insulation layer 5 is arranged outside the magnetic core 4. Can carry out the separation to the temperature, prevent that magnetic core 4 from receiving high temperature.

Wherein a heat radiation component is arranged between the framework 1 and the coil winding 2. The heat dissipation assembly is arranged on the outer side of the coil winding 2, eddy current effect cannot be generated due to the change of magnetic field in the coil, the transformer can be effectively dissipated, and the performance is prevented from being influenced due to high temperature.

The heat dissipation assembly comprises a heat conduction piece extending into the coil winding 2 and a heat dissipation bracket 7 connected with the heat conduction piece, wherein a plurality of heat dissipation fins 71 are arranged on the heat dissipation bracket 7. The heat radiating fins 71 and the heat radiating bracket 7 may be integrally formed or may be welded together.

The heat dissipation bracket 7 is detachably fixed on the framework 1. After the winding is finished, the heat dissipation assembly is convenient to mount and adjust according to the requirements of transformers of different specifications.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. Switching power supply transformer, including skeleton (1), coil winding (2), magnetic core (4), coil winding (2) coiling is on skeleton (1), coil winding (2) set up in magnetic core (4), its characterized in that: further comprising:

the coil winding is characterized by comprising a controller (6) arranged on a framework (1), a frequency inductor (22) and a current inductor (23) are arranged between a coil winding (2) and a magnetic core (4), and the frequency inductor (22) and the current inductor (23) are respectively connected with the controller (6);

the controller (6) is also connected with a temperature detection circuit, the temperature detection circuit comprises a thermistor, and the thermistor is connected to a switching power supply transformer;

wherein a heat dissipation component is arranged between the framework (1) and the coil winding (2).

2. The switching power supply transformer of claim 1, wherein: coil winding (2) include a plurality of primary winding (24) and a plurality of secondary winding (25), and secondary winding (25) turn is the same, pin (3) are installed to skeleton (1) one side equidistance.

3. The switching power supply transformer of claim 2, wherein: one side of the coil winding (2) is provided with a synchronous circuit board (21), and the synchronous circuit board (21) is respectively connected with the plurality of primary windings (24), the plurality of secondary windings (25) and the pins (3).

4. The switching power supply transformer of claim 1, wherein: the magnetic core (4) is enclosed into a hollow structure, a hollow pipe is arranged on the surface of the magnetic core (4), and a secondary magnetic core is arranged in the hollow pipe.

5. The switching power supply transformer of claim 4, wherein: and a protective heat insulation layer (5) is arranged outside the magnetic core (4).

6. The switching power supply transformer of claim 1, wherein: the heat dissipation assembly comprises a heat conduction piece extending into the coil winding (2) and a heat dissipation support (7) connected with the heat conduction piece, and a plurality of heat dissipation fins (71) are arranged on the heat dissipation support (7).

7. The switching power supply transformer of claim 6, wherein: the heat dissipation support (7) is detachably fixed on the framework (1).