CN106486270A

CN106486270A - Rectifier transformer

Info

Publication number: CN106486270A
Application number: CN201611048082.2A
Authority: CN
Inventors: 刘扬; 卢卫国
Original assignee: JIANGSU EASTONE TECHNOLOGY Co Ltd
Current assignee: JIANGSU EASTONE TECHNOLOGY Co Ltd
Priority date: 2016-11-24
Filing date: 2016-11-24
Publication date: 2017-03-08

Abstract

The invention discloses a kind of rectifier transformer, including primary inversion coil module and secondary commutation output module, primary inversion coil module includes inversion module, iron core and the primary coil being wound on iron core, inversion module is electrically connected with primary coil, secondary commutation output module includes transformer newel, transformer case, two radiators and some connection sheets, two radiators are located at the opposite sides of transformer case, transformer newel, transformer case and two radiators are fixedly connected by some connection sheets, and iron core and primary coil are surrounded to prevent electromagnetic interference.The transformer newel of rectifier transformer of the present invention, transformer case and two radiators are fixedly connected by some connection sheets, and it is conduction and Heat Conduction Material, can radiate and energy current-carrying, compact conformation, conductive and good heat dissipation effect, and form the confined space of a cladding iron core and primary coil and can prevent electromagnetic interference.

Description

Rectifier transformer

Technical field

The present invention relates to a kind of transformer, more particularly to a kind of rectifier transformer.

Background technology

A kind of medium-high frequency rectifier transformer is usually used in medium-high frequency power supply, plays electrical isolation and rectification output low pressure The effect of high current, its structure include toroidal core, and input primary coil is around on toroidal core, and copper pipe and copper bar are coated on The outside of toroidal core and middle formation outer ring and inner ring, copper pipe and copper bar constitute the output primary line of every medium/high frequency transformer Circle, the rectification inverter circuit structure being connected with input primary coil, the rectifier circuit structure being connected with output primary coil.

The shortcoming of the medium-high frequency rectifier transformer of said structure is：Toroidal core, input primary coil, copper pipe and copper coin group Become exports primary coil under the operating mode for low-voltage, high-current, structure, processed complex, high cost, and toroidal core, input The output primary coil caloric value of primary coil, copper pipe and copper coin composition is big, by natural cooling, air-cooled or water-cooled, to annular Magnetic core, input primary coil cooling effect are poor.The input being connected with rectifier transformer and output circuit are open magnetic circuit Structure, line and structure distance are remote, can produce High-frequency Interference magnetic field in space around, have influence on the reliability of equipment and disturb which Its electronic equipment.The structure takes up room greatly, is difficult to realize modularization, meets big work(when connection in series-parallel is carried out using multiple transformers During rate use requirement so that structure more bulky complex, it is difficult to arrange power supply backup system, must shut down when equipment breaks down Maintenance, downtime are long, it is impossible to which meeting needs continuous firing, reliability standard to require higher power supply use environment.

Content of the invention

In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of compact conformation, electromagnetism interference, dissipate The rectifier transformer of the fast and modularized design of heat.

The purpose of the present invention employs the following technical solutions realization：

A kind of rectifier transformer, including a primary inversion coil module and a secondary commutation output module, the primary is inverse Type transformer coil module includes an inversion module, iron core and the primary coil being wound on iron core, the inversion module and the primary line Circle electrical connection, if the secondary commutation output module includes a transformer newel, a transformer case, two radiators and involvement Contact pin, two radiator are located at the opposite sides of the transformer case, the transformer newel, transformer case and two Radiator is fixedly connected by some connection sheets, and the iron core and primary coil are surrounded to prevent electromagnetic interference.

Preferably, the rectifier transformer also includes two wires, and the inversion module is fixed on radiator side described in And electrically connected with the primary coil by the wire.

Preferably, the primary inversion coil module also includes that a sealant, the iron core and the primary coil are housed In the transformer case, the sealant is Wei Yu the primary coil and the transformer case between.

Preferably, the secondary commutation output module also includes a thermally conductive insulating layer and an insulating barrier, the heat conductive insulating Layer Wei Yu the radiator and transformer case between, the insulating barrier be located at the transformer newel and transformer case it Between.

Preferably, the transformer case is fixedly connected by insulating component with the radiator.

Preferably, the secondary commutation output module also includes two groups of diode assemblies, two groups of diode assemblies Substrate is installed on radiator described in, and the terminal of the diode assembly is by the connection sheet and the transformer center Post, transformer are outward and another radiator is electrically connected, and two module radiators are respectively the positive pole of diode assembly rectification output And negative pole.

Compared to existing technology, the beneficial effects of the present invention is：

The transformer newel of rectifier transformer of the present invention, transformer case and two radiators are by some connection sheets It is fixedly connected, and conduction and Heat Conduction Material is, can radiates and energy current-carrying, compact conformation, conductive and good heat dissipation effect, and And formation one coats iron core and the confined space of primary coil and can prevent electromagnetic interference.

Description of the drawings

Fig. 1 is a structural representation of rectifier transformer of the present invention.

Fig. 2 is a front view of the rectifier transformer of Fig. 1.

In figure：100th, rectifier transformer；10th, primary inversion coil module；11st, iron core；12nd, primary coil；13rd, seal Layer；14th, wire；15th, inversion module；20th, secondary commutation output module；21st, 27, radiator；22nd, thermally conductive insulating layer；23rd, transformation Device shell；24th, insulating barrier；25th, transformer newel；26th, connection sheet；28th, diode assembly.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component Or can also there is component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to To another component or may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical ", " level ", "left", "right" and similar statement for illustrative purposes only.

Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the restriction present invention.Term as used herein " and/or " include one or more phases The arbitrary and all of combination of the Listed Items of pass.

Fig. 1 to Fig. 2 is referred to, a kind of rectifier transformer 100 includes primary inversion coil module 10, secondary commutation output mould Block 20.

The primary inversion coil module 10 include an iron core 11, a primary coil 12, a sealant 13, two wires 14 and One inversion module 15.The secondary commutation output module 20 includes two radiators, 21,27, one thermally conductive insulating layer 22, a transformer Shell 23, an insulating barrier 24, a transformer newel 25, some connection sheets 26, two diode assemblies 28.

The primary coil 12 is wound in the iron core 11, and the iron core 11 and the primary coil 12 are contained in the change Depressor shell 23.The sealant 13 Wei Yu the primary coil 12 and the transformer case 23 between by the iron core 11 and The primary coil 12 is sealed.In one embodiment, the sealant 13 by silicone filler to the primary coil 12 with described Between transformer case 23, solidification is formed.The thermally conductive insulating layer 22 be located at the radiating piece 21,27 and transformer case 23 it Between.

In one embodiment, the radiator 21,27 is a water-filled radiator, and the radiator 21,27, transformer Shell 23, transformer newel 25, connection sheet 26 are made up of all good aluminium alloy of conductive and heat conduction or copper metal material.

When assembling the rectifier transformer 100, two radiator 21,27 is located at the phase of the transformer case 23 respectively To both sides.The radiator 21,27 is fixed with the transformer case 23 by the insulating component, the transformer newel 25 are fixedly connected with the radiator 21,27 by the connection sheet 26.Now the insulating barrier 24 be located at the radiator 21, Between 27 and the transformer case 23.The inversion module 15 be fixed on radiator 23 described in one and by the wire 14 with The primary coil 12 is connected.Two groups of diode assemblies 27 are located at another 24 side of the radiator and by the connection Piece 40 is fixed with the radiator 24.

The radiator 21,27, transformer newel 25, transformer case 23 and some connection sheets 26 are by the iron core 11st, primary primary coil 12 is enclosed in inside, forms closed magnetic circuit, improves 100 anti-electromagnetic interference capability of rectifier transformer. The connection sheet 26 and thermal insulation layer 22 can be by the heat transfers of the transformer case 23 and transformer newel 25 extremely The radiator 21,27 is radiated, the radiator 21,27, transformer newel 25, transformer case 23 and some connections Piece 26 is heat-conductivity conducting metal material, and surface area itself is larger, had been both structural mount, and has been radiating piece, or good Current-carrying part, makes 100 compact conformation of whole rectifier transformer, good heat conduction effect.

The substrate of two groups of diode assemblies, 28 body is installed on the radiator 27, the terminal of diode assembly 28 By one end of the connection sheet 26 and the transformer newel 25, one end of transformer case 23 and another module radiator 21 Electrical connection, two module radiators 21,27 are respectively positive pole and the negative pole of 100 rectification of rectifier transformer output, and the primary Inversion module 10, secondary commutation output module 20 can pass through serial or parallel connection two Wei Yu two radiators 21,27 between and outside Module radiator 21,27 realizes modularization assembling, makes 100 modularized design of whole rectifier transformer, and reliability is high, is easy to safeguard.

It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various Corresponding change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention Within.

Claims

1. a kind of rectifier transformer, it is characterised in that：The rectifier transformer includes a primary inversion coil module and a level Rectification output module, the primary inversion coil module include an inversion module, iron core and the primary coil being wound on iron core, institute State inversion module to electrically connect with the primary coil, the secondary commutation output module includes a transformer newel, a transformation Device shell, two radiators and some connection sheets, two radiator are located at the opposite sides of the transformer case, the transformation Device newel, transformer case and two radiators are fixedly connected by some connection sheets, and by the iron core and primary line Circle is surrounded to prevent electromagnetic interference.

2. rectifier transformer according to claim 1, it is characterised in that：The rectifier transformer also includes two wires, institute State inversion module to be fixed on radiator side described in one and electrically connect with the primary coil by the wire.

3. rectifier transformer according to claim 1, it is characterised in that：The primary inversion coil module also includes that one is close Sealing, the iron core and the primary coil are contained in the transformer case, the sealant be located at the primary coil with Between the transformer case.

4. rectifier transformer according to claim 1, it is characterised in that：The secondary commutation output module also includes to lead Thermal insulation layer and an insulating barrier, the thermally conductive insulating layer Wei Yu the radiator and transformer case between, the insulating barrier position Between the transformer newel and transformer case.

5. rectifier transformer according to claim 4, it is characterised in that：The transformer case is passed through with the radiator Insulating component is fixedly connected.

6. rectifier transformer according to claim 1, it is characterised in that：The secondary commutation output module also includes two groups Diode assembly, the substrate of two groups of diode assemblies are installed on radiator described in, the terminal of the diode assembly By the outer and another radiator electrical connection of the connection sheet and the transformer newel, transformer, two module radiators Positive pole and negative pole that respectively diode assembly rectification is exported.