CN207368862U - DC/DC isolated power supplies - Google Patents
DC/DC isolated power supplies Download PDFInfo
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- CN207368862U CN207368862U CN201721234716.3U CN201721234716U CN207368862U CN 207368862 U CN207368862 U CN 207368862U CN 201721234716 U CN201721234716 U CN 201721234716U CN 207368862 U CN207368862 U CN 207368862U
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- output
- filter circuit
- input
- power
- power supplies
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Abstract
The utility model discloses a kind of DC/DC isolated power supplies, housing including sealed set, both sides up and down in the housing are respectively equipped with some radiators, several DC/DC conversion modules are pasted with the radiator, each DC/DC conversion modules include input filter circuit, the input filter circuit is connected with DC/DC power modules, the input terminal of each input filter circuit is arranged in parallel, and the input terminal of each input filter circuit is connected with the lead-in clamp positioned at the hull outside, the output terminal of each DC/DC power modules is connected with output filter circuit after being connected in series, the output terminal of the output filter circuit is connected with the output wiring terminal positioned at the hull outside.The utility model power supply seals, good dustproof effect, can output voltage it is high, output power, compact, volume can be 346*216*92mm, greatly improve the reliability of power supply.
Description
Technical field
It the utility model is related to a kind of supply unit, more particularly to a kind of DC/DC isolated power supplies.
Background technology
DC/DC isolated power supplies can be widely applied to electric power, communication, instrument and meter, Medical Devices, industry control intelligence, peace
The industries such as anti-control, broadcasting and TV, automotive electronics.Supply unit for in-vehicle electronic system, it is desirable to seal, dust-proof, input voltage
Low, output voltage is high, and power is big, small, and reliability is high, but existing power supply device does not reach above-mentioned requirements.
Utility model content
A kind of input voltage of the utility model offer is low, and output voltage is high, output power, compact, seals, is dust-proof
Effect is good, greatly improves the DC/DC isolated power supplies of the reliability of power supply.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of DC/DC isolated power supplies, including
The housing of sealed set, the both sides up and down in the housing are respectively equipped with some radiators, are pasted with the radiator some
A DC/DC conversion modules, each DC/DC conversion modules include input filter circuit, and the input filter circuit is connected with
DC/DC power modules, the input terminal of each input filter circuit are arranged in parallel, and the input terminal of each input filter circuit
It is connected with the lead-in clamp positioned at the hull outside, the output terminals of each DC/DC power modules connects after being connected in series
There is output filter circuit, the output terminal of the output filter circuit is connected with the output wiring terminal positioned at the hull outside.
As preferable technical solution, the quantity of the DC/DC conversion modules is 14.
As preferable technical solution, the quantity of the radiator is corresponding with the quantity of the DC/DC conversion modules, often
A DC/DC conversion module is mounted on a radiator respectively.
As preferable technical solution, the one end of the housing is equipped with radiator fan.
As preferable technical solution, the housing is respectively equipped with radiating fin up and down outside both sides.
By adopting the above-described technical solution, the power consumption of whole power supply is distributed evenly on radiator setting up and down, work(
Consumption is average.By the way that the DC/DC conversion modules that several output voltages are low, output current is big are together in series, an output is obtained
Voltage is high, the power module of output power, and each DC/DC conversion modules input is in parallel and output is arranged in series, inside input
The requirement of filtering is low, and the inductance of filtering is small, and volume of transformer is small, and the surplus of rectifying tube and power tube is big, can
It is improved by property.The utility model input voltage is low, and output voltage is high, can output voltage be up to 320V, output power,
Power can be 346*216*92mm up to 1500W, compact, volume, and sealing, good dustproof effect, substantially increase power supply
Reliability.
Brief description of the drawings
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
Enclose.Wherein：
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the structure principle chart of the circuit part of the utility model embodiment.
In figure：1- housings；2- radiators；3-DC/DC conversion modules；4- radiating fins.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only pass through
Bright mode describes some one exemplary embodiments of the utility model.Undoubtedly, those of ordinary skill in the art can be with
Recognize, can be with a variety of modes to described in the case of the spirit and scope without departing from the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than for limiting the protection of claim
Scope.
In addition, as long as technical characteristic involved in each embodiment of the utility model disclosed below is each other
Not forming conflict can be mutually combined.
As depicted in figs. 1 and 2, a kind of DC/DC isolated power supplies, include the housing 1 of sealed set, upper in housing 1
Lower both sides are respectively equipped with some radiators 2, several DC/DC conversion modules 3 are pasted with radiator 2, and each DC/DC becomes mold changing
Block 3 includes input filter circuit, and input filter circuit is connected with DC/DC power modules, and the input terminal of each input filter circuit is simultaneously
Connection is set, and the input terminal of each input filter circuit is connected with the lead-in clamp outside housing 1, each DC/DC power supplys mould
The output terminal of block is connected with output filter circuit after being connected in series, the output terminal of output filter circuit is connected with outside housing 1
The output wiring terminal in portion.The power consumption of whole power supply is distributed evenly on radiator 2 setting up and down, and power consumption is average.If pass through handle
The dry DC/DC conversion module 3 that output voltage is low, output current is big is together in series, and obtains output voltage height, an output power
Big power module, each DC/DC conversion modules 3 input in parallel and output and are arranged in series, and the requirement of internal input filter is low,
The inductance of filtering is small, and volume of transformer is small, and the surplus of rectifying tube and power tube is big, and reliability is improved.
The quantity of DC/DC conversion modules 3 is 14, the input 24V of DC/DC power modules, exports 22.8V, power 110W,
Using single-end ortho-exciting translation circuit, each DC/DC conversion modules 3 input in parallel, filtering, output series connection, filtering output, Neng Goushi
Existing output voltage 320V, rated output 1.5KW, 200~300KHZ of working frequency, power tube are managed using VMOS, and efficiency is more than
88%.
The quantity of radiator 2 is corresponding with the quantity of DC/DC conversion modules 3, and one is mounted respectively on each radiator 2
DC/DC conversion modules 3, the power consumption that said structure is conducive to whole power supply are distributed evenly on each radiator 2.
The one end of housing 1 is equipped with radiator fan, and housing 1 is respectively equipped with radiating fin 4, above-mentioned knot up and down outside both sides
Structure is conducive to radiate.
The present embodiment input voltage is low, and output voltage is high, can output voltage be up to 320V, output power, power can
Up to 1500W, compact, volume can be 346*216*92mm, and sealing, good dustproof effect, substantially increase the reliable of power supply
Property.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of DC/DC isolated power supplies, include the housing of sealed set, it is characterised in that：Up and down two in the housing
Side is respectively equipped with some radiators, several DC/DC conversion modules are pasted with the radiator, each DC/DC conversion
Module includes input filter circuit, and the input filter circuit is connected with DC/DC power modules, each input filter circuit
Input terminal is arranged in parallel, and the input terminal of each input filter circuit is connected with the input wires positioned at the hull outside
Column, the output terminals of each DC/DC power modules are connected with output filter circuit after being connected in series, the output filter circuit
Output terminal is connected with the output wiring terminal positioned at the hull outside.
2. DC/DC isolated power supplies as claimed in claim 1, it is characterised in that：The quantity of the DC/DC conversion modules is
14.
3. DC/DC isolated power supplies as claimed in claim 1, it is characterised in that：The quantity of the radiator and the DC/
The quantity of DC conversion modules is corresponding, and a DC/DC conversion module is mounted respectively on each radiator.
4. DC/DC isolated power supplies as claimed in claim 1, it is characterised in that：The one end of the housing is equipped with heat dissipation
Fan.
5. such as Claims 1-4 any one of them DC/DC isolated power supplies, it is characterised in that：Up and down the two of the housing
Radiating fin is respectively equipped with outside side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234716.3U CN207368862U (en) | 2017-09-25 | 2017-09-25 | DC/DC isolated power supplies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234716.3U CN207368862U (en) | 2017-09-25 | 2017-09-25 | DC/DC isolated power supplies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368862U true CN207368862U (en) | 2018-05-15 |
Family
ID=62349410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721234716.3U Active CN207368862U (en) | 2017-09-25 | 2017-09-25 | DC/DC isolated power supplies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207368862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447766A (en) * | 2020-05-09 | 2020-07-24 | 余正电子科技(嘉兴)有限公司 | Convenient, practical and portable novel robot controller |
-
2017
- 2017-09-25 CN CN201721234716.3U patent/CN207368862U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447766A (en) * | 2020-05-09 | 2020-07-24 | 余正电子科技(嘉兴)有限公司 | Convenient, practical and portable novel robot controller |
| CN111447766B (en) * | 2020-05-09 | 2021-12-03 | 余正电子科技(嘉兴)有限公司 | Convenient, practical and portable novel robot controller |
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