CN208174554U - A kind of high-frequency direct-current power module - Google Patents

Abstract

The utility model provides a kind of high-frequency direct-current power module, is related to power technique fields.The high-frequency direct-current power module includes cabinet, output rectification unit, the first heat dissipation row and the second heat dissipation row, exporting rectification unit includes cold substrate diode, first heat dissipation row and the second heat dissipation row are arranged side by side in cabinet, cold substrate diode is set to one side of the second heat dissipation row far from the first heat dissipation row, the output end of cold substrate diode is connect with conductor, and conductor and the first heat dissipation row or the second heat dissipation arrange electrical isolation；Since the bottom plate of cold substrate diode is not charged, to which the output end of cold substrate diode and the first heat dissipation row or the second heat dissipation are arranged electrical isolation, the first heat dissipation row can be made not charged or make the first heat dissipation row and second heat dissipation row's band isopotential electrical, so as to avoid the first heat dissipation row, there are electrolytic etchings caused by potential difference by the second heat dissipation row, the service life for extending cooling pipe ensure that the heat dissipation effect of high-frequency direct-current power module.

Description

A kind of high-frequency direct-current power module

Technical field

The utility model relates to power technique fields, in particular to a kind of high-frequency direct-current power module.

Background technique

As high frequency switch power gradually substitutes thyristor supply, it is widely used in crystal growth, electrochemistry and metal The industrial site of the low-voltage, high-currents such as surface treatment.

High-frequency switching power supply module in the prior art mostly uses two output electrodes of the conductive and water cooled busbar as power supply, leads to Water-cooling pattern is crossed to be cooled down.This mode for using aluminium row as conductive and heat dissipation, has saved cost to a certain extent, But due between above-mentioned two blocks of aluminium in the prior art draining cold electrode by water pipe connection, though between the water pipe and two electrodes in the presence of The phenomenon that resistance, and there are potential difference, there are electrolysis.After long-play, two pieces of aluminium row's electrodes are easy rotten by electrolysis power supply Erosion, and then it is allowed to cool line clogging, heat dissipation deficiency is ultimately caused, the normal operation of power supply is influenced.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of high-frequency direct-current power modules, to solve the above problems.

The utility model is realized in this way：

The utility model provides a kind of high-frequency direct-current power module, and the high-frequency direct-current power module includes cabinet, defeated Rectification unit, the first heat dissipation row and the second heat dissipation row out, the output rectification unit includes cold substrate diode, and described first Heat dissipation row and the second heat dissipation row are arranged side by side in the cabinet, and the cold substrate diode is set to second heat dissipation One side of the row far from the first heat dissipation row, the output end of the cold substrate diode are connect with conductor, conductor and described first Heat dissipation row or the second heat dissipation row's electrical isolation.

Further, the high-frequency direct-current power module further includes transformer, and the transformer is set in the cabinet, And it is located between the first heat dissipation row and the second heat dissipation row.

Further, the high-frequency direct-current power module further includes reactor, when the output rectification unit is that all-wave is whole When stream, the transformer includes centre cap, and the centre cap arranges phase with second heat dissipation with the first heat dissipation row's One side electrical connection to setting, and the first output electrode as the high-frequency direct-current power module, cold two pole of substrate The output end of pipe, conductor, the reactor input terminal be sequentially connected, the input terminal of the reactor is connect with conductor, described Setting is isolated through insulating materials far from the one side of the first heat dissipation row with the second heat dissipation row in conductor, and by the reactor Second output electrode of the output end as the high-frequency direct-current power module.

Further, the reactor and the second heat dissipation row's connection.

Further, the high-frequency direct-current power module further includes sensor and control unit, and the sensor is arranged In the conductor connecting with the output end of the reactor, and the signal that will test feeds back to described control unit, so that described Control unit correspondingly controls the output of power supply.

Further, the high-frequency direct-current power module further includes reactor, when the output rectification unit is that full-bridge is whole When stream, the output end of the cold substrate diode includes the first output end and second output terminal, and first output end crosses over institute It states and setting is isolated through insulating materials with the first heat dissipation row after the second heat dissipation is arranged, and as the high-frequency direct-current power module First output electrode, the second output terminal and the second heat dissipation row's electrical connection, the second heat dissipation row and the reactance The input terminal of device is electrically connected, second output electrode of the output end of the reactor as the high-frequency direct-current power module.

Further, the high-frequency direct-current power module further includes sensor and control unit, and the sensor is arranged In the conductor connecting with first output electrode, and the signal that will test feeds back to described control unit, so that the control Unit correspondingly controls the output of power supply.

Further, the high-frequency direct-current power module further includes output filter band, the both ends point of the output filter band It is not connect with first output electrode, second output electrode.

Further, the first heat dissipation row and second heat dissipation arrange and are equipped with cooling duct and water tap, and described first The cooling duct of heat dissipation row and the second heat dissipation row are respectively communicated with the water tap.

Further, the high-frequency direct-current power module further includes input rectifying unit, inversion unit, the input rectifying Unit and the inversion unit are sequentially connected, and the input rectifying unit and the inversion unit are all set in first heat dissipation The one side that row arranges away from second heat dissipation, the output end of the inversion unit are connect with the primary side of the transformer, the change The secondary side of depressor is connected to the input terminal of the cold substrate diode through copper sheet.

Compared with the prior art, the utility model has the advantages that：A kind of high-frequency direct-current provided by the utility model Power module, including cabinet, output rectification unit, the first heat dissipation row and the second heat dissipation row, output rectification unit includes cold base Plate diode, the first heat dissipation row and the second heat dissipation row are arranged side by side in cabinet, and cold substrate diode is set to the second heat dissipation row One side far from the first heat dissipation row, the output end of cold substrate diode connect with conductor, and conductor radiates with first to be arranged or second is scattered Heat row's electrical isolation；Since the bottom plate of cold substrate diode is not charged, so that the output end of cold substrate diode be dissipated with first Heat row or second heat dissipation row's electrical isolation can make the first heat dissipation row not charged or make the first heat dissipation row and the second heat dissipation row Band isopotential electrical extends cooling so as to avoid the first heat dissipation row, the second heat dissipation row there are electrolytic etching caused by potential difference The service life of pipeline ensure that the heat dissipation effect of high-frequency direct-current power module.

To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and Cooperate appended attached drawing, is described in detail below.

Detailed description of the invention

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

Fig. 1 shows the knot that high-frequency direct-current power module provided by the utility model first embodiment is in the first visual angle Structure schematic diagram.

Fig. 2 shows the knots that high-frequency direct-current power module provided by the utility model first embodiment is in the second visual angle Structure schematic diagram.

Fig. 3 shows the knot that high-frequency direct-current power module provided by the utility model first embodiment is in third visual angle Structure schematic diagram.

Fig. 4 shows the knot that high-frequency direct-current power module provided by the utility model second embodiment is in the first visual angle Structure schematic diagram.

Fig. 5 shows the knot that high-frequency direct-current power module provided by the utility model second embodiment is in the second visual angle Structure schematic diagram.

Icon：100- high-frequency direct-current power module；110- cabinet；The heat dissipation row of 120- first；122- water tap；130- second dissipates Heat row；140- exports rectification unit；150- transformer；160- sensor；170- reactor；180- input rectifying unit；190- Inversion unit；192- exports filter band.

Specific embodiment

Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations Arrangement and design.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model Apply example, those skilled in the art's every other embodiment obtained without making creative work belongs to The range of the utility model protection.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc. The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.The above descriptions are merely preferred embodiments of the present invention, and it is practical new to be not limited to this Type, for those skilled in the art, the present invention may have various modifications and changes.All essences in the utility model Mind and principle within, any modification, equivalent replacement, improvement and so on, should be included in the protection scope of the utility model it It is interior.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile it is practical new at this In the description of type, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively important Property.

First embodiment

The utility model provides a kind of high-frequency direct-current power module 100, for being power supply for electrical equipment, and solves existing Two pieces of aluminium row's electrodes are due to there is potential difference and by electrolytic etching in technology.Fig. 1, Fig. 2 and Fig. 3 are please referred to, is this reality With the structural schematic diagram of the high-frequency direct-current power module 100 of novel offer.The high-frequency direct-current power module 100 include cabinet 110, First the 120, second heat dissipation of heat dissipation row row 130, output rectification unit 140, transformer 150, reactor 170, sensor 160, control Unit, input rectifying unit 180, inversion unit 190 and output filter band 192 processed.First heat dissipation, second heat dissipation row 130, it is defeated Enter rectification unit 180, inversion unit 190, output rectification unit 140, transformer 150, reactor 170, sensor 160, control Unit and output filter band 192 are all set in cabinet 110.

Cabinet 110 is for installing the first heat dissipation row the 120, second heat dissipation row 130, input rectifying unit 180, inversion unit 190, rectification unit 140, transformer 150, reactor 170, sensor 160, control unit and output filter band 192 are exported, To protect above-mentioned device.

First heat dissipation row 120 and the second heat dissipation row 130 are arranged side by side in cabinet 110, for radiating.Specifically, first Space in cabinet 110 is divided into 3 accommodation spaces by heat dissipation row 120 and the second heat dissipation row 130, and each accommodation space is used to The circuit units such as input rectifying unit 180, inversion unit 190 are installed.

Specifically, the first heat dissipation row 120 and the second heat dissipation row 130 are provided with water tap 122, and the first heat dissipation row 120 and The inside of second heat dissipation row 130 is equipped with cooling duct, the cooling of the water tap 122 of the first heat dissipation row 120 and the first heat dissipation row 120 Channel connection, the water tap 122 of the second scattered heat extraction are connected to the cooling duct of the second scattered heat extraction.

It is to be appreciated that height for accommodating coolant liquid, is worked as in the cooling duct of the first heat dissipation row 120 and the second heat dissipation row 130 Frequency DC power supplier 100 work when, it includes circuit unit work and generate heat, coolant liquid flows through the first heat dissipation at this time Row 120 and the second heat dissipation row 130, carry out heat exchange with circuit unit, and coolant liquid is discharged by respective water tap 122, thus Realize the effect of heat dissipation.

It should be noted that the first heat dissipation row 120 and the second heat dissipation row 130 are using metal materials such as aluminium or copper.But one In kind preferred embodiment, the first heat dissipation row 120 and the second heat dissipation row 130 are made of copper.

Exporting rectification unit 140 includes cold substrate diode, and cold substrate diode is set to the second heat dissipation row 130 far from the The one side of one heat dissipation row 120, the output end of cold substrate diode are connect with conductor, and conductor and the first heat dissipation row 120 or second Heat dissipation 130 electrical isolations of row.

It is to be appreciated that the bottom plate of cold substrate diode is not charged, and therefore, the bottom plate of cold substrate diode and the second heat dissipation It is galvanically isolated between row 130.

In the present embodiment, output rectification unit 140 is full-wave rectification.Full-wave rectification is the electricity of a kind of pair of AC rectification Road, in this rectification circuit, in half period, electric current flows through a rectifying device (such as crystal diode), and another In one half cycle, electric current flows through second rectifying device, and the connection of two rectifying devices can flow through their electric current with Same direction flows through load.

Transformer 150 is set in cabinet 110, and is located between the first heat dissipation row 120 and the second heat dissipation row 130.

In the present embodiment, since output rectification unit 140 is full-wave rectification, thus transformer 150 includes centre cap And shell, centre cap are connected to shell, 120 electrical connection of centre cap and the first heat dissipation row, shell is directly dissipated with second 130 connection of heat row.

Specifically, centre cap and the one side of the first heat dissipation row 120 being oppositely arranged with the second heat dissipation row 130 electrically connect It connects, the first output electrode as high-frequency direct-current power module 100.Meanwhile the output end of cold substrate diode, conductor, reactance The input terminal of device 170 is sequentially connected, and after the input terminal of reactor 170 is connect with conductor, conductor and the second heat dissipation row 130 are far from the The one side of one heat dissipation row 120 is isolated through insulating materials to be arranged, and using the output end of reactor 170 as high-frequency direct-current power module 100 the second output electrode.

It is to be appreciated that conductor is dissipated with second since the bottom plate of cold substrate diode is not charged, and by insulating materials 130 isolation setting of heat row, so that the first heat dissipation row 120 and the second heat dissipation row 130 are in equipotential state, so as to avoid the It is electrolysed caused by 130 generation potential difference of one heat dissipation row 120 and the second heat dissipation row.

In addition, by the way that the shell of transformer 150 directly to be connect with the second heat dissipation row 130, it can be to avoid using insulation material The problem of heat dissipation effect caused by material isolation transformer 150 and the second heat dissipation arrange 130 reduces.

In the present embodiment, reactor 170 is connect with the second heat dissipation row 130, and sensor 160 is sheathed on and reactor The conductor of 170 output end connection, and the signal that will test feeds back to control unit, so that control unit correspondingly controls electricity The output in source.

Specifically, reactor 170 be sheathed on it is described second heat dissipation row 130 outside, or be mounted to the second heat dissipation row 130 with The one side that first heat dissipation row 120 is oppositely arranged.

The both ends of output filter band 192 are connect with the first output electrode, the second output electrode respectively, input rectifying unit 180 and inversion unit 190 be all set in the first heat dissipation row 120 away from second heat dissipation row 130 one sides.Input rectifying unit 180 It is sequentially connected with inversion unit 190, the output end of inversion unit 190 is connect with the primary side of transformer 150, the pair of transformer 150 While being connected to the input terminal of cold substrate diode in output rectification unit 140 through conductor.

In a kind of preferred embodiment, conductor is copper bar, and the electric conductivity of copper bar is strong and economical, and practical application rate is high. But it should be recognized that in other embodiments, conductor can also be using such as copper aluminium row, almag.

Second embodiment

The utility model embodiment additionally provides another high-frequency direct-current power module 100 and needs as shown in Figures 4 and 5 Illustrate, high-frequency direct-current power module 100 provided by the utility model embodiment, the technology effect of basic principle and generation Fruit is identical with above-described embodiment, and to briefly describe, the present embodiment part does not refer to place, can refer to corresponding in the above embodiments Content.

In the present embodiment, output rectification unit 140 is full-bridge rectification.Correspondingly, transformer 150 does not include center Tap.

At this point, the output end of cold substrate diode includes the first output end and second output terminal, the first output end is across the It is isolated setting through insulating materials with the first heat dissipation row 120 after two heat dissipation rows 130, and the as high-frequency direct-current power module 100 One output electrode, second output terminal and 130 electrical connection of the second heat dissipation row, the input terminal of the second heat dissipation row 130 and reactor 170 Electrical connection, second output electrode of the output end of reactor 170 as high-frequency direct-current power module 100.

It is to be appreciated that with the first heat dissipation row 120 through insulating materials after arranging 130 across the second heat dissipation due to the first output end Isolation setting generates electricity so that the first heat dissipation row 120 is not charged so as to avoid the first heat dissipation row 120 and the second heat dissipation row 130 It is electrolysed caused by potential difference.

In the present embodiment, sensor 160 is sheathed on the conductor connecting with the first output electrode, and the signal that will test Control unit is fed back to, so that control unit correspondingly controls the output of power supply.

In conclusion a kind of high-frequency direct-current power module provided by the utility model, including cabinet, output rectification unit, First heat dissipation row and the second heat dissipation row, output rectification unit include cold substrate diode, the first heat dissipation row and the second heat dissipation row It is arranged side by side in cabinet, cold substrate diode is set to one side of the second heat dissipation row far from the first heat dissipation row, cold two pole of substrate The output end of pipe is connect with conductor, and conductor and the first heat dissipation row or the second heat dissipation arrange electrical isolation；Due to cold substrate diode Bottom plate is not charged, so that the output end of cold substrate diode and the first heat dissipation row or second heat dissipation row's electrical isolation can be made The first heat dissipation is obtained to arrange not charged or the first heat dissipation row and second is made to radiate row with isopotential electrical, so as to avoid the first heat dissipation Row, there are electrolytic etchings caused by potential difference by the second heat dissipation row, extend the service life of cooling pipe, ensure that high-frequency direct-current The heat dissipation effect of power module.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of high-frequency direct-current power module, which is characterized in that the high-frequency direct-current power module includes cabinet, output rectification list Member, first heat dissipation row and second heat dissipation row, the output rectification unit includes cold substrate diode, it is described first heat dissipation arrange and The second heat dissipation row is arranged side by side in the cabinet, and the cold substrate diode is set to second heat dissipation and arranges far from institute The one side of the first heat dissipation row is stated, the output end of the cold substrate diode is connect with conductor, the conductor and first heat dissipation Row or the second heat dissipation row's electrical isolation.

2. high-frequency direct-current power module according to claim 1, which is characterized in that the high-frequency direct-current power module also wraps Transformer is included, the transformer is set in the cabinet, and is located between the first heat dissipation row and the second heat dissipation row.

3. high-frequency direct-current power module according to claim 2, which is characterized in that the high-frequency direct-current power module also wraps Include reactor, when the output rectification unit be full-wave rectification when, the transformer includes centre cap, the centre cap with The one side of the first heat dissipation row being oppositely arranged with the second heat dissipation row is electrically connected, and as the high-frequency direct-current power supply First output electrode of module, the output end of the cold substrate diode, conductor, the reactor input terminal be sequentially connected, The input terminal of the reactor is connect with conductor, the one side of the conductor and the second heat dissipation row far from the first heat dissipation row It is isolated through insulating materials and is arranged, and using the output end of the reactor as the second output electricity of the high-frequency direct-current power module Pole.

4. high-frequency direct-current power module according to claim 3, which is characterized in that the reactor and second heat dissipation Row's connection.

5. high-frequency direct-current power module according to claim 3, which is characterized in that the high-frequency direct-current power module also wraps Sensor and control unit are included, the sensor sleeve is set to the conductor connecting with the output end of the reactor, and will test To signal feed back to described control unit so that described control unit correspondingly controls the output of power supply.

6. high-frequency direct-current power module according to claim 2, which is characterized in that the high-frequency direct-current power module also wraps Reactor is included, when the output rectification unit is full-bridge rectification, the output end of the cold substrate diode includes the first output End and second output terminal, first output end across it is described second heat dissipation row after with it is described first heat dissipation row through insulating materials every From setting, and the first output electrode as the high-frequency direct-current power module, the second output terminal and second heat dissipation Row's electrical connection, the second heat dissipation row and the input terminal of the reactor are electrically connected, the output end conduct of the reactor Second output electrode of the high-frequency direct-current power module.

7. high-frequency direct-current power module according to claim 6, which is characterized in that the high-frequency direct-current power module also wraps Sensor and control unit are included, the sensor sleeve is set to the conductor connecting with first output electrode, and will test Signal feeds back to described control unit, so that described control unit correspondingly controls the output of power supply.

8. the high-frequency direct-current power module according to any one of claim 3-7, which is characterized in that the high-frequency direct-current Power module further include output filter band, it is described output filter band both ends respectively with first output electrode, described second Output electrode connection.

9. high-frequency direct-current power module according to any one of claims 1-7, which is characterized in that first heat dissipation Row and the second heat dissipation row are equipped with cooling duct and water tap, and the first heat dissipation row and the second heat dissipation row's is described cold But channel is respectively communicated with the water tap.

10. the high-frequency direct-current power module according to any one of claim 2-7, which is characterized in that the high frequency is straight Galvanic electricity source module further includes input rectifying unit, inversion unit, and the input rectifying unit and the inversion unit are sequentially connected, The input rectifying unit and the inversion unit are all set in the one side that the first heat dissipation row arranges away from second heat dissipation, The output end of the inversion unit is connect with the primary side of the transformer, and the secondary side of the transformer is connected to described cold through copper sheet The input terminal of substrate diode.