CN210469095U

CN210469095U - Module power supply

Info

Publication number: CN210469095U
Application number: CN201921392178.XU
Authority: CN
Inventors: 赵广亮; 史磊
Original assignee: Beijing Shenzhou Feihang Technology Co ltd
Current assignee: Beijing Shenzhou Feihang Technology Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-05
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a module power relates to power technical field. The utility model discloses a plurality of priority pressure difference module, DC-DC module, filtering module, EMC filtering module and relay, priority pressure difference module and EMC filtering module are connected, and EMC filtering module passes through DC-DC module and filtering module to output power inlet wire vary voltage and secondary filter, sets up relay control power between EMC filtering module and DC-DC module. The utility model discloses an adjusting the priority relation of each power supply interface, can conveniently using in each airborne equipment that needs airborne power supply, link to each other through the power supply interface with each airborne equipment, realize for each airborne equipment power supply.

Description

Module power supply

Technical Field

The utility model belongs to the technical field of the power, especially, relate to a module power.

Background

The power supply is the most basic and important ring in an electronic system, and the quality and the electromagnetic compatibility of the power supply directly influence the performance index and the reliability of airborne equipment; the quality of the power supply is good, the stability and the reliability of the work of different parts are greatly influenced, the requirement on the reliability of the power supply is higher when complex and variable power supply and output are faced, and a stable and safe output power supply needs to be provided for different loads.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a module power solves the problem of mentioning in the technical background.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a module power supply, including priority pressure difference 1 module, output filter 1 module, EMC filter 1 module, DC-DC1 module, single-phase conduction module, priority pressure difference 2 module, EMC filter 2 module, relay module, DC-DC2 module, output filter 2 module, DC-DC3 module, output filter 3 module and a plurality of output module, output module includes A way, B way, C way and D way, priority pressure difference 1 module is connected with A way through output filter 1 module, priority pressure difference 1 module is connected with relay module through EMC filter 2 module; the EMC filtering 1 module is connected with the EMC filtering 2 module through a DC-DC1 module; the single-phase conduction module is connected with the EMC filtering module 2 through the priority differential pressure module 2; the relay module is connected with the B path, the relay module is connected with the output filtering 2 module through the DC-DC2 module, the output filtering 2 module is connected with the C path, the relay module is connected with the output filtering 3 module through the DC-DC3 module, and the output filtering 3 module is connected with the D path.

Further, the priority differential pressure 1 module inputs a direct current 27VL/R power supply, the EMC filtering 1 module inputs an alternating current 115VAC power supply, and the single-phase conduction module inputs a divided voltage 27VB power supply.

Furthermore, the path a, the path B, the path C and the path D are not grounded in common, the ground terminals include an input ground terminal and an output ground terminal, and the resistance between the input ground terminal and the output ground terminal is greater than 50M Ω.

Furthermore, the EMC filtering 1 module and the EMC filtering 2 module both comprise a common-mode filter circuit, and the common-mode filter circuit is a CLC type filter structure.

Further, the relay comprises a relay controller, and the relay controller is electrically connected with the relay.

The utility model discloses following beneficial effect has:

the utility model discloses an adjusting the priority relation of each power supply interface, can conveniently using in each airborne equipment that needs airborne power supply, link to each other through the power supply interface with each airborne equipment, realize for each airborne equipment power supply.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a block diagram of a modular power supply according to the present invention.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The first embodiment is as follows:

please refer to fig. 1, the utility model relates to a module power supply, including priority pressure difference 1 module, output filter 1 module, EMC filter 1 module, DC-DC1 module, single-phase conduction module, priority pressure difference 2 module, EMC filter 2 module, relay module, DC-DC2 module, output filter 2 module, DC-DC3 module, output filter 3 module and a plurality of output module, output module includes a way, B way, C way and D way, priority pressure difference 1 module is connected with a way through output filter 1 module, priority pressure difference 1 module is connected with relay module through EMC filter 2 module; the EMC filtering 1 module is connected with the EMC filtering 2 module through the DC-DC1 module; the single-phase conduction module is connected with the EMC filtering module 2 through the priority differential pressure module 2; the relay module is connected with the B path, the relay module is connected with the output filtering 2 module through the DC-DC2 module, the output filtering 2 module is connected with the C path, the relay module is connected with the output filtering 3 module through the DC-DC3 module, and the output filtering 3 module is connected with the D path.

Wherein, the priority differential pressure 1 module inputs a direct current 27VL/R power supply, the EMC filtering 1 module inputs an alternating current 115VAC power supply, and the single-phase conduction module inputs a divided voltage 27VB power supply.

The paths A, B, C and D are not grounded together, the ground terminals comprise an input ground terminal and an output ground terminal, and the resistance between the input ground terminal and the output ground terminal is greater than 50M omega.

The EMC filtering 1 module and the EMC filtering 2 module respectively comprise a common-mode filter circuit, and the common-mode filter circuit is of a CLC type filter structure.

The relay comprises a relay controller, and the relay controller is electrically connected with the relay.

Example two:

please refer to fig. 1, the utility model relates to a module power, the effect of EMC filtering module 1 and EMC filtering module 2 includes: firstly, input noise is prevented; and secondly, noise generated by a switching device in the module power supply and fed back to the input power supply is controlled, the common mode filter circuit adopts a CLC type structure, the common mode inductor mainly inhibits common mode interference, and a magnetic core adopts a magnetic ring with high magnetic conductivity, and a magnetic circuit is closed, so that magnetic radiation cannot be generated. In a practical circuit, the common mode inductor usually does not have perfect symmetry and other reasons for parasitic parameters, and the common mode signal may be converted into a differential mode signal, and part of the differential mode signal is filtered by the capacitor C at the two ends or the differential mode inductor.

Example three:

the utility model relates to a module power, preferably, A way is 27V output interface, and B way is 27V output interface, and C way is 5V output interface, and D way is 12V output interface, and when the input was normal, each output interface's output power parameter was gone into down and is shown:

in the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A module power supply comprises a priority differential pressure 1 module, an output filtering 1 module, an EMC filtering 1 module, a DC-DC1 module, a single-phase conduction module, a priority differential pressure 2 module, an EMC filtering 2 module, a relay module, a DC-DC2 module, an output filtering 2 module, a DC-DC3 module, an output filtering 3 module and a plurality of output modules, and is characterized in that: the output module comprises a path A, a path B, a path C and a path D, the priority pressure difference 1 module is connected with the path A through an output filtering 1 module, and the priority pressure difference 1 module is connected with the relay module through an EMC filtering 2 module; the EMC filtering 1 module is connected with the EMC filtering 2 module through a DC-DC1 module; the single-phase conduction module is connected with the EMC filtering module 2 through the priority differential pressure module 2; the relay module is connected with the B path, the relay module is connected with the output filtering 2 module through the DC-DC2 module, the output filtering 2 module is connected with the C path, the relay module is connected with the output filtering 3 module through the DC-DC3 module, and the output filtering 3 module is connected with the D path.

2. The module power supply as claimed in claim 1, wherein the priority differential pressure 1 module inputs direct current 27VL/R power supply, the EMC filtering 1 module inputs alternating current 115VAC power supply, and the single-phase conducting module inputs divided voltage 27VB power supply.

3. The modular power supply of claim 1, wherein the paths a, B, C and D are not commonly grounded, the ground includes an input ground and an output ground, and a resistance between the input ground and the output ground is greater than 50M Ω.

4. A modular power supply as claimed in claim 1, characterized in that the EMC filter 1 module and the EMC filter 2 module each comprise a common-mode filter circuit, which is a CLC-type filter structure.

5. The modular power supply of claim 1, wherein the relay comprises a relay controller, the relay controller being electrically connected to the relay.