CN207505008U - A kind of plug backboard power-supply system based on digital TV front-end - Google Patents
A kind of plug backboard power-supply system based on digital TV front-end Download PDFInfo
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- CN207505008U CN207505008U CN201721580556.8U CN201721580556U CN207505008U CN 207505008 U CN207505008 U CN 207505008U CN 201721580556 U CN201721580556 U CN 201721580556U CN 207505008 U CN207505008 U CN 207505008U
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Abstract
The utility model discloses a kind of plug backboard power-supply systems based on digital TV front-end, including power supply module and plug power module, power supply module connection plug power module, power supply module includes temperature-controlled fan, PFC module, LLC module, SR drivings and golden finger interface, golden finger interface is also associated with plug power module, and plug power module includes plug power-supply controller of electric and PCIE interfaces；Based on the plug backboard power-supply system of digital TV front-end, be equipped on power supply module temperature-controlled fan when power supply module temperature be more than ° when, temperature-controlled fan starts, reach temperature control purpose, ensure plug backboard constant temperature, PCIE interfaces cooperate with golden finger interface, and power supply module can freely connect plug power module by golden finger interface, very convenient.
Description
Technical field
The utility model is related to digital TV technology, specially a kind of plug backboard electricity based on digital TV front-end
Source system.
Background technology
Current digital television front end field or servers, like field, power module are all that can plug, in this way
Hot Spare power-supply system is formed, can accomplish that complete machine in the case where not powering off, safeguards complete machine.Complete machine as composition
In, the crucial mainly interface of plug of plug and plug power source management controller, connecting-disconnecting interface is all dedicated connector, price
It is expensive, it has not been convenient to scheduling and planning.
Hot plug（Hot-plugging or Hot Swap）It plugs, warm connection function is exactly that user is allowed to be not related to
System is closed, taken out in the case of not cutting off the power and replaces the components such as the power supply damaged or board, so as to improve system to calamity
Difficult timely recovery capability, autgmentability and flexibility etc.；Redundant power is for a kind of power supply in server, is complete by two
Complete the same power supply composition, load balancing is carried out by chip controls power supply, when a power supply breaks down, another power supply horse
On can take over its work, after power supply is replaced, and be that two power supplys cooperate, often will appear the plug back of the body in the prior art
The excessively high situation of plate temperature passes through electric power connecting process inconvenience.
Invention content
The purpose of this utility model is to provide a kind of plug backboard power-supply systems based on digital TV front-end, have intelligence
Can cool down the advantages of facilitating with grafting, solve the problems of the prior art.
To achieve the above object, the utility model provides following technical solution：A kind of plug based on digital TV front-end
Backboard power-supply system, including power supply module and plug power module, the power supply module connection plug power module, power supply module
Including temperature-controlled fan, PFC module, LLC module, SR drivings and golden finger interface, the output terminal of the PFC module is electrically connected
LLC module, the output terminal and the input terminal of SR drivings of LLC module are electrically connected, the output terminal connection golden finger interface of SR drivings,
The output terminal connection temperature-controlled fan of golden finger interface, golden finger interface are also associated with plug power module, the plug power supply mould
Block includes plug power-supply controller of electric and PCIE interfaces, plugs the output terminal connection PCIE interfaces of power-supply controller of electric, PCIE interfaces with
Golden finger interface coordinates.
Preferably, resonant switch circuit is equipped in the LLC module, be welded on resonant switch circuit inductance, capacitance and
The elements such as resistive element.
Preferably, the temperature-controlled fan is equipped with NTC thermistor to automatically control fan in temperature-controlled fan.
Preferably, there are two the PCIE interfaces are total to, two PCIE interfaces are connected with golden finger interface.
Preferably, synchronous rectifying controller is installed in the SR drivings.
Compared with prior art, the beneficial effects of the utility model are as follows：Based on the plug backboard of digital TV front-end
Power-supply system is equipped with temperature-controlled fan on power supply module when the temperature of power supply module is more than °, and temperature-controlled fan starts, and reaches control
Warm purpose ensures plug backboard constant temperature, and PCIE interfaces cooperate with golden finger interface, and power supply module can pass through gold
Finger interface freely connects plug power module, very convenient.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：1 power supply module, 11 temperature-controlled fans, 12PFC modules, 13LLC modules, 14SR drivings, 15 golden finger interfaces, 2
Plug power module, 21 plug power-supply controller of electric, 22PCIE interfaces.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of plug backboard power-supply system based on digital TV front-end, including power supply module 1 and plug
Power module 2, power supply module 1 share two groups, and two groups of power supply modules 1 are connect with plug power module 2, and power supply module 1 connects
Power module 2 is plugged, power supply module 1 includes temperature-controlled fan 11, PFC module 12, LLC module 13, SR drivings 14 and golden finger and connects
Mouth 15, the output terminal of PFC module 12 are electrically connected LLC module 13, resonant switch circuit, resonant switch are equipped in LLC module 13
The elements such as inductance, capacitance and resistive element are welded on circuit, when there is the port voltage situation identical with current waveform phase
When, resonance occurs for circuit, and switching loss is small, and the output terminal and the input terminal of SR drivings 14 of LLC module 13 are electrically connected, SR drivings
Synchronous rectifying controller is installed, SR drivings 14 are used to optimize the topological structure of resonant switch circuit in LLC module 13, SR in 14
The output terminal connection golden finger interface 15 of driving 14, the output terminal connection temperature-controlled fan 11 of golden finger interface 15, temperature-controlled fan 11
To automatically control fan, NTC thermistor is installed in temperature-controlled fan 11, when the temperature of power supply module 1 is more than 25 °, temperature control
Fan 11 starts, and reaches temperature control purpose, and golden finger interface 15 is also associated with plug power module 2, and plug power module 2 includes inserting
Pull out power-supply controller of electric 21 and PCIE interfaces 22, the output terminal connection PCIE interfaces 22 of plug power-supply controller of electric 21, PCIE interfaces 22
Coordinate with golden finger interface 15, PCIE interfaces 22 altogether there are two, two PCIE interfaces 22 are connected with golden finger interface 15,
Golden finger interface 15 can be freely plugged on PCIE interfaces 22.
In summary：Based on the plug backboard power-supply system of digital TV front-end, temperature control wind is installed on power supply module 1
When the temperature of power supply module 1 is more than 25 °, temperature-controlled fan 11 starts fan 11, reaches temperature control purpose, ensures that plug backboard temperature is permanent
Fixed, PCIE interfaces 22 cooperate with golden finger interface 15, and power supply module 1 can freely be connected by golden finger interface 15
Power module 2 is plugged, it is very convenient.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of plug backboard power-supply system based on digital TV front-end, including power supply module（1）With plug power module
（2）, it is characterised in that：The power supply module（1）Connection plug power module（2）, power supply module（1）Including temperature-controlled fan
（11）, PFC module（12）, LLC module（13）, SR driving（14）And golden finger interface（15）, the PFC module（12）Output
End is electrically connected LLC module（13）, LLC module（13）Output terminal and SR drive（14）Input terminal be electrically connected, SR driving
（14）Output terminal connection golden finger interface（15）, golden finger interface（15）Output terminal connection temperature-controlled fan（11）, golden finger
Interface（15）It is also associated with plug power module（2）, the plug power module（2）Including plugging power-supply controller of electric（21）With
PCIE interfaces（22）, plug power-supply controller of electric（21）Output terminal connection PCIE interfaces（22）, PCIE interfaces（22）With golden finger
Interface（15）Cooperation.
2. a kind of plug backboard power-supply system based on digital TV front-end according to claim 1, it is characterised in that：Institute
State LLC module（13）It is interior to be equipped with resonant switch circuit, it is first to be welded with inductance, capacitance and resistive element etc. on resonant switch circuit
Part.
3. a kind of plug backboard power-supply system based on digital TV front-end according to claim 1, it is characterised in that：Institute
State temperature-controlled fan（11）To automatically control fan, temperature-controlled fan（11）NTC thermistor is inside installed.
4. a kind of plug backboard power-supply system based on digital TV front-end according to claim 1, it is characterised in that：Institute
State PCIE interfaces（22）There are two altogether, two PCIE interfaces（22）And golden finger interface（15）It is connected.
5. a kind of plug backboard power-supply system based on digital TV front-end according to claim 1, it is characterised in that：Institute
State SR drivings（14）Synchronous rectifying controller is inside installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580556.8U CN207505008U (en) | 2017-11-23 | 2017-11-23 | A kind of plug backboard power-supply system based on digital TV front-end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580556.8U CN207505008U (en) | 2017-11-23 | 2017-11-23 | A kind of plug backboard power-supply system based on digital TV front-end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207505008U true CN207505008U (en) | 2018-06-15 |
Family
ID=62505913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721580556.8U Active CN207505008U (en) | 2017-11-23 | 2017-11-23 | A kind of plug backboard power-supply system based on digital TV front-end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207505008U (en) |
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2017
- 2017-11-23 CN CN201721580556.8U patent/CN207505008U/en active Active
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