CN203241913U - High-power CPCI power module with redundancy function - Google Patents
High-power CPCI power module with redundancy function Download PDFInfo
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- CN203241913U CN203241913U CN 201320189585 CN201320189585U CN203241913U CN 203241913 U CN203241913 U CN 203241913U CN 201320189585 CN201320189585 CN 201320189585 CN 201320189585 U CN201320189585 U CN 201320189585U CN 203241913 U CN203241913 U CN 203241913U
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Abstract
The utility model discloses a high-power CPCI power module with a redundancy function and belongs to power modules. The high-power CPCI power module structurally comprises a cooling plate, a circuit board, a front panel and a cover plate. The cooling plate is arranged above the circuit board, the front panel is arranged on the front side of the circuit board, and the cover plate is arranged below the circuit board. The cooling plate and the circuit board are fixed together through the front panel, and the cover plate is fixed below the circuit board. A cooling boss is arranged on the top of the circuit board, and the cooling boss makes contact with the bottom face of the cooling plate. According to the high-power CPCI power module with the redundancy function, from the electric perspective, a CPCI framework is adopted in electric functional module design, from the structural perspective, an air cooling heat dissipation method is adopted in design, and therefore power equipment can meet demands of three preventions, respectively, vibration prevention, impact prevention and high-low-temperature prevention.
Description
Technical field
The utility model relates to a kind of power module, specifically a kind of high-power CPCI power module with redundancy feature.
Background technology
At present, the power requirement of the equipment such as computing machine, server is more and more higher, in the situation that satisfy multiple-unit, multipath server use, the equipment power demand is increasing, and when Power supply, need many power supplys to power devices, therefore power-supply device need have the functions such as redundancy, current-sharing, in the equipment running process such as server, computing machine, when extracting power supply, require the equipment such as computing machine, server normally to move, the phenomenon of the failure such as restart without crashing and occur.
The utility model content
Technical assignment of the present utility model is for above weak point, provide a kind of electric aspect to adopt the CPCI framework to carry out the electric function modular design, configuration aspects adopts the wind-cooling heat dissipating mode to design, and makes power-supply device can reach vibration, impact, high low temperature and the three anti-a kind of high-power CPCI power modules with redundancy feature that require.
The technical scheme that its technical matters that solves the utility model adopts is: comprise heat dissipation cold plate, circuit board, front panel, cover plate, the circuit board top is provided with heat dissipation cold plate, and the circuit board front side is provided with front panel, and the circuit board below is provided with cover plate; By front panel that heat dissipation cold plate and circuit board is fixing together, cover plate is fixed on the circuit board below; The circuit board top is provided with the heat radiation boss, and the heat radiation boss contacts with the heat dissipation cold plate bottom surface.
Be integrated with sequential control circuit, lightning prevention surge circuit, overvoltage crowbar, current-sharing redundant circuit, DCDC step-down BUCK circuit, electrical isolation circuit on the circuit board.
Be provided with the CPCI standard interface on the circuit board.
Be provided with shockproof heat conductive pad between heat radiation boss and the heat dissipation cold plate bottom surface surface of contact.
Sequential control circuit is in order to controlling the electrifying timing sequence of 5VS, 3.3V, 5V and 12V, so that after 5VSB normally powered on, 3.3V, 5V and 12V just opened when the power_enable enable signal arrived.
Lightning prevention surge circuit at power input and connect transient voltage killer tube TVS+ voltage dependent resistor (VDR), carries out amplitude limit to the transient state spike pulse, forces transient current to enter ground, has not only improved antijamming capability, and effectively prevents the transient state damage, has strengthened reliability.
Overvoltage crowbar when overvoltage or overcurrent, cuts off electric current automatically, and the holding circuit plate is unlikely to burn out, and certainly recovers.
The current-sharing redundant circuit, adopt high-power and DC-DC conversion chip that conversion efficiency is high to convert the DC voltage of 18～36V to complete machine and need voltage, output terminal at each DC-DC conversion chip adds or door chip and hot-swappable circuit, realizes 1+1 redundant power and hot-swappable function.After wherein any one power supply broke down, another power supply can provide the power supply to complete machine to make not power down of whole system, can online the power supply that breaks down be changed, and guaranteed the continuous firing of complete machine.
DCDC step-down BUCK circuit adopts high efficiency buck topology.Efficient when having guaranteed the two-stage conversion reduces power attenuation.
The electrical isolation circuit adopts the active-clamp topological structure, realizes that the electrical isolation of input/output terminal guarantees that insulation resistance satisfies army's mark requirement.Simultaneously, at circuit input end design LC filtering circuit, adopt safety electric capacity, satisfy the dielectric strength requirement.
A kind of high-power CPCI power module with redundancy feature of the present utility model is compared with existing technology, and has the following advantages:
1, the use of CPCI standard interface power supply realizes that the 1+1 redundancy of power supply has improved the reliability of whole system;
2, the use of active clamp forward topology has guaranteed the electrical equipment isolation of power module input/output terminal, and insulation resistance satisfies army's mark requirement;
3, adopt the overvoltage crowbar protection mechanism, realized the defencive functions such as overcurrent, overvoltage of power supply;
4, adopt safety electric capacity and piezoresistive element in conjunction with the design lightning prevention surge circuit, guaranteed the realization of surge test index;
5, adopt sequential control circuit, guarantee the in order output of four road voltages;
6, the design of principle and PCB has guaranteed the stable output of high-power, high-level efficiency, low-power consumption;
7, complete machine adopts cushion technique, has greatly improved the anti shock and vibration performance of complete machine;
8, by reasonable air channel and heat dissipation cold plate design, realized the normal operation of system under the wide temperature environment.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Accompanying drawing 1 is a kind of structural representation with high-power CPCI power module of redundancy feature;
Accompanying drawing 2 is a kind of circuit diagram of sequential control circuit of the high-power CPCI power module with redundancy feature;
Accompanying drawing 3 is a kind of circuit diagram of lightning prevention surge circuit of the high-power CPCI power module with redundancy feature;
Accompanying drawing 4 is a kind of circuit diagram of overvoltage crowbar of the high-power CPCI power module with redundancy feature;
Accompanying drawing 5 is a kind of circuit diagram of current-sharing redundant circuit of the high-power CPCI power module with redundancy feature;
Accompanying drawing 7 is a kind of circuit diagram of electrical isolation circuit of the high-power CPCI power module with redundancy feature.
Among the figure: 1, heat dissipation cold plate, 2, circuit board, 3, front panel, 4, cover plate, 5, the heat radiation boss.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of high-power CPCI power module with redundancy feature of the present utility model, its structure comprises heat dissipation cold plate 1, circuit board 2, front panel 3, cover plate 4, circuit board 2 tops are provided with heat dissipation cold plate 1, circuit board 2 front sides are provided with front panel 3, and circuit 2 plates below is provided with cover plate 4; By front panel 3 heat dissipation cold plate 1 and circuit board 2 are fixed together, cover plate 4 is fixed on circuit board 2 belows; Circuit board 2 tops are provided with heat radiation boss 5, and heat radiation boss 5 contacts with heat dissipation cold plate 1 bottom surface.
Be integrated with sequential control circuit, lightning prevention surge circuit, overvoltage crowbar, current-sharing redundant circuit, DCDC step-down BUCK circuit, electrical isolation circuit on the circuit board 2.
Be provided with the CPCI standard interface on the circuit board 2.
Be provided with shockproof heat conductive pad between heat radiation boss 5 and the heat dissipation cold plate 1 bottom surface surface of contact.
Shown in Figure 2, sequential control circuit is in order to controlling the electrifying timing sequence of 5VS, 3.3V, 5V and 12V, so that after 5VSB normally powered on, 3.3V, 5V and 12V just opened when the power_enable enable signal arrived.
Shown in Figure 3, lightning prevention surge circuit is at power input and connect transient voltage killer tube TVS+ voltage dependent resistor (VDR), amplitude limit is carried out in the transient state spike pulse, force transient current to enter ground, not only improved antijamming capability, and effectively prevent the transient state damage, strengthened reliability.
Shown in Figure 4, overvoltage crowbar when overvoltage or overcurrent, cuts off electric current automatically, and the holding circuit plate is unlikely to burn out, and certainly recovers.
Shown in Figure 5, the current-sharing redundant circuit, adopting high-power and DC-DC conversion chip that conversion efficiency is high to convert the DC voltage of 18～36V to complete machine needs voltage, adds or door chip and hot-swappable circuit realization 1+1 redundant power and hot-swappable function at the output terminal of each DC-DC conversion chip.After wherein any one power supply broke down, another power supply can provide the power supply to complete machine to make not power down of whole system, can online the power supply that breaks down be changed, and guaranteed the continuous firing of complete machine.
Shown in Figure 6, DCDC step-down BUCK circuit adopts high efficiency buck topology.Efficient when having guaranteed the two-stage conversion reduces power attenuation.
Shown in Figure 7, the electrical isolation circuit adopts the active-clamp topological structure, realizes that the electrical isolation of input/output terminal guarantees that insulation resistance satisfies army's mark requirement.Simultaneously, at circuit input end design LC filtering circuit, adopt safety electric capacity, satisfy the dielectric strength requirement.
A kind of high-power its processing and fabricating of CPCI power module with redundancy feature of the present utility model is very simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except the described technical characterictic of instructions, be the known technology of those skilled in the art.
Claims (3)
1. the high-power CPCI power module with redundancy feature is characterized in that comprising heat dissipation cold plate, circuit board, front panel, cover plate, and the circuit board top is provided with heat dissipation cold plate, and the circuit board front side is provided with front panel, and the circuit board below is provided with cover plate; By front panel that heat dissipation cold plate and circuit board is fixing together, cover plate is fixed on the circuit board below; The circuit board top is provided with the heat radiation boss, and the heat radiation boss contacts with the heat dissipation cold plate bottom surface.
2. a kind of high-power CPCI power module with redundancy feature according to claim 1 is characterized in that being integrated with on the circuit board sequential control circuit, lightning prevention surge circuit, overvoltage crowbar, current-sharing redundant circuit, DCDC step-down BUCK circuit, electrical isolation circuit.
3. a kind of high-power CPCI power module with redundancy feature according to claim 1 is characterized in that being provided with on the circuit board CPCI standard interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189585 CN203241913U (en) | 2013-04-16 | 2013-04-16 | High-power CPCI power module with redundancy function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189585 CN203241913U (en) | 2013-04-16 | 2013-04-16 | High-power CPCI power module with redundancy function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241913U true CN203241913U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320189585 Expired - Fee Related CN203241913U (en) | 2013-04-16 | 2013-04-16 | High-power CPCI power module with redundancy function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203241913U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683909A (en) * | 2013-12-27 | 2014-03-26 | 广东威创视讯科技股份有限公司 | Display system, power supply method and power supply device thereof |
| CN104410268A (en) * | 2014-12-23 | 2015-03-11 | 浪潮集团有限公司 | Method for realizing 900-W high-efficiency isolated power supply module |
-
2013
- 2013-04-16 CN CN 201320189585 patent/CN203241913U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683909A (en) * | 2013-12-27 | 2014-03-26 | 广东威创视讯科技股份有限公司 | Display system, power supply method and power supply device thereof |
| CN104410268A (en) * | 2014-12-23 | 2015-03-11 | 浪潮集团有限公司 | Method for realizing 900-W high-efficiency isolated power supply module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20150416 |
|
| EXPY | Termination of patent right or utility model |