CN202043042U - Power supply with high efficiency and high-power density - Google Patents
Power supply with high efficiency and high-power density Download PDFInfo
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- CN202043042U CN202043042U CN2011200921662U CN201120092166U CN202043042U CN 202043042 U CN202043042 U CN 202043042U CN 2011200921662 U CN2011200921662 U CN 2011200921662U CN 201120092166 U CN201120092166 U CN 201120092166U CN 202043042 U CN202043042 U CN 202043042U
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- power supply
- high efficiency
- power density
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model relates to a power supply with high efficiency and high-power density and comprises a primary topological circuit and a secondary topological circuit which are in series connection with each other. The power supply with high efficiency and high power density further comprises a switch module which is connected between the primary topological circuit and the secondary topological circuit and opens the primary topological circuit through short circuit or closes the front-stage topological circuit based on the connecting or disconnecting of a control signal. The power supply with high efficiency and high power density enables the primary topological circuit not to work so as to reduce consumption and further improve efficiency under some set conditions by opening the primary topological circuit through short circuit or closing the front-stage topological circuit through the switch module, and under the other set conditions, the primary topological circuit works to realize high-power density, thereby giving consideration to both high power density and high efficiency of the power supply.
Description
Technical field
The utility model relates to field of switch power, more particularly, relates to a kind of high efficiency high power density power supply.
Background technology
Along with the development of switch power technology, high frequencyization, high efficiency, high power density have become the development trend of Switching Power Supply.High frequencyization can effectively reduce the Switching Power Supply volume, yet the too high meeting of frequency brings the problem of switching tube loss increase, is unfavorable for improving the efficient of power supply.The crisscross parallel resonant circuit can satisfy the requirement of high frequencyization as a kind of special circuit topology, can reach higher conversion efficiency again, under the promotion of high efficiency development trend, by industry-wide adoption.
In order to realize high power density, this area usually adopts the buck translation circuit to add the crisscross parallel resonant circuit.This scheme can utilize the buck translation circuit to optimize the design of crisscross parallel resonant circuit, has also solved the problem of crisscross parallel resonant circuit in control.Simultaneously, the crisscross parallel resonant circuit can make that output current frequency doubles, and ripple current greatly reduces, and helps reducing of filter capacitor volume, thereby realizes the miniaturization of power volume, improves power density.But, increase the buck translation circuit and also can bring power loss, therefore the efficient of whole power supply is difficult to further raising.
The utility model content
The technical problems to be solved in the utility model is that the power supply that comprises buck translation circuit and crisscross parallel resonant circuit at prior art is difficult to take into account simultaneously high power density and high efficiency defective, and a kind of high efficiency high power density power supply is provided.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of high efficiency high power density power supply, the prime topological circuit and the secondary topological circuit that comprise mutual series connection, wherein, described high efficiency high power density power supply further comprises and is connected between described prime topological circuit and the secondary topological circuit, is used for based on the control signal conducting or disconnects with short circuit or connect the handover module of described prime topological circuit.
In high efficiency high power density power supply described in the utility model, described prime topological circuit comprises buck translation circuit or boost type translation circuit; Described back level topological circuit comprises staggered half-bridge resonance circuit, staggered full-bridge resonant circuit or phase whole-bridging circuit.
In high efficiency high power density power supply described in the utility model, described high efficiency high power density power supply comprises with described handover module the control signal generation module that communicates to connect, is used to receive the power supply operating parameter setting and generates described control signal based on described power supply operating parameter setting.
In high efficiency high power density power supply described in the utility model, described handover module comprises and described prime topological circuit switching device in parallel.
In high efficiency high power density power supply described in the utility model, described prime topological circuit is the buck translation circuit, and described secondary topological circuit is the crisscross parallel resonant circuit, and described buck translation circuit and crisscross parallel resonant circuit are connected mutually; Be used for based on described control signal conducting or disconnect with short circuit or the described handover module of connecting described buck translation circuit and being connected between described buck translation circuit and the crisscross parallel resonant circuit.
In high efficiency high power density power supply described in the utility model, described high efficiency high power density power supply comprises with described handover module the control signal generation module that communicates to connect, is used to receive the power supply operating parameter setting and generates described control signal based on described power supply operating parameter setting.
In high efficiency high power density power supply described in the utility model, described handover module comprises and described buck translation circuit switching device in parallel.
In high efficiency high power density power supply described in the utility model, described handover module comprises mos field effect transistor, the grid of described mos field effect transistor is connected to described control signal generation module, and the source electrode of described mos field effect transistor and drain electrode are connected respectively to the input and the output of described buck translation circuit.
In high efficiency high power density power supply described in the utility model, described handover module comprises relay, the control end of described relay is connected to described control signal generation module, and the moving contact of described relay and fixed contact are connected respectively to the input and the output of described buck translation circuit.
In high efficiency high power density power supply described in the utility model, described handover module comprises triode, the base stage of described triode is connected to described control signal generation module, and the emitter and collector of described triode is connected respectively to the input and the output of described buck translation circuit.
Implement high efficiency high power density power supply of the present utility model, by the handover module short circuit or connect described prime topological circuit, make that the prime topological circuit is not worked to reduce the wastage and further to raise the efficiency under some imposes a condition, and realize high power density, thereby take into account the high power density and the high efficiency of power supply simultaneously in other prime topological circuit work that impose a condition.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the logic diagram of first embodiment of high efficiency high power density power supply of the present utility model;
Fig. 2 is the logic diagram of second embodiment of high efficiency high power density power supply of the present utility model;
Fig. 3 is the circuit diagram of second embodiment of high efficiency high power density power supply of the present utility model;
Fig. 4 is the circuit diagram of handover module of the 3rd embodiment of high efficiency high power density power supply of the present utility model;
Fig. 5 is the circuit diagram of handover module of the 4th embodiment of high efficiency high power density power supply of the present utility model;
Fig. 6 is the logic diagram of the 5th embodiment of high efficiency high power density power supply of the present utility model.
Embodiment
As shown in Figure 1, high efficiency high power density power supply of the present utility model comprises buck translation circuit 100, crisscross parallel resonant circuit 200 and handover module 300.Wherein said buck translation circuit 100 and crisscross parallel resonant circuit 200 are connected mutually, and described handover module 300 is connected between described buck translation circuit 100 and the crisscross parallel resonant circuit 200.Described handover module 300 receives control signals, and based on this control signal conducting or disconnection, thus short circuit or connect described buck translation circuit 100.
Under power supply need be operated in the situation of nucleus when efficient is higher (for example need semi-load), send the control signal of its conductings of control for handover module 300.Buck translation circuit 100 is by short circuit, and input voltage is applied directly to the input of crisscross parallel resonant circuit 200, only crisscross parallel resonant circuit 200 work, and can reduce the loss of power supply this moment, further raises the efficiency.When power work need be operated in non-core zone (when for example needing high pressure, low pressure output or underloading, heavy duty), handover module 300 receives the control signal of its disconnection of control, thereby connects buck translation circuit 100.Those skilled in the art know, can adopt special control signal generation module (embodiment as shown in Figure 2) to generate this control signal, generate this control signal thereby also can adopt artificial mode to trigger handover module 300.At this moment, input voltage is applied to the input of buck translation circuit 100, and buck translation circuit 100 and crisscross parallel resonant circuit 200 co-operation and then satisfy power supply and work under various conditions realize high power density.
In the present embodiment, described handover module 300 can be any under the control signal effect, with circuit, module or the switching device of disconnection of buck translation circuit or conducting.For example, in a simplified embodiment of the present utility model, described handover module 300 even can be a switch.The control signal of controlling described handover module can be generated automatically by other modules inside and outside the power supply, also can trigger from user's active.For example, this handover module 300 is switches in parallel with buck translation circuit 100.When the user needs power work at nucleus, Closing Switch, this moment, buck translation circuit 100 was by short circuit.When the user needs power work in non-core zone, cut-off switch, buck translation circuit 100 is connected in circuit at this moment.According to instruction of the present utility model, those skilled in the art can adopt variety of way to generate various control signals, select suitable device to constitute handover module, and use these various control signals to control the conducting or the disconnection of handover modules, therefore, the utility model is not subjected to the concrete structure of handover module and the restriction of realization.
Fig. 2 is the logic diagram of second embodiment of high efficiency high power density power supply of the present utility model.As shown in Figure 2, high efficiency high power density power supply of the present utility model comprises buck translation circuit 100, crisscross parallel resonant circuit 200, handover module 300 and control signal generation module 400.Wherein said buck translation circuit 100 and crisscross parallel resonant circuit 200 are connected mutually, and described handover module 300 is in parallel with described buck translation circuit 100.Control signal generation module 400 communicates to connect with described handover module 300.Described control signal generation module 400 receives the power supply operating parameter setting and generates control signal based on described power supply operating parameter setting.Described handover module 300 receives control signals, and based on this control signal conducting or disconnection, thus short circuit or connect described buck translation circuit 100.
Those skilled in the art know, described control signal generation module 400 can directly receive the power supply operating parameter setting of user's input, also can from memory, receive this power supply operating parameter setting, also can from the administration module that is specifically designed to managing electrical power operation or control module, obtain.This power supply operating parameter setting can comprise about the information of power work in nucleus or non-core zone.Certainly, this power supply operating parameter setting can also comprise other information.At this, the utility model is not subjected to the source of power supply operating parameter setting and the restriction of particular content.Certainly, those skilled in the art know, in simplified embodiment of the present utility model, also can not adopt control signal generation module 400, but directly trigger handover module.
For example, when control signal generation module 400 receives when setting power work to the power supply operating parameter setting of nucleus, generate a control signal.Thereby this control signal is used to control the described buck translation circuit 100 of handover module conducting short circuit.When control signal generation module 400 receives when setting power work to the power supply operating parameter setting in non-core zone, generate another control signal.Thereby disconnecting, this control signal control handover module connects described buck translation circuit 100.As previously mentioned, in the present embodiment, described handover module 300 can be any under the control signal effect, with circuit, module or the switching device of disconnection of buck translation circuit or conducting.
Fig. 3 is the circuit diagram of second embodiment of high efficiency high power density power supply of the present utility model.Fig. 4 illustrates, when handover module 300 is the embodiment of mos field effect transistor.Referring to Fig. 3 and 4 as can be known, high efficiency high power density power supply of the present utility model comprises buck translation circuit 100, crisscross parallel resonant circuit 200, handover module 300 and control signal generation module 400.Wherein this handover module 300 is a mos field effect transistor.In this embodiment, the first input end of buck translation circuit 100 and the second input A are connected respectively to its front stage circuits, and first output of described buck translation circuit 100 and the second output B are connected the first input end and second input of described crisscross parallel resonant circuit 200 respectively.The grid of described mos field effect transistor is connected to described control signal generation module 400 to receive control signal.The source electrode of described mos field effect transistor and drain electrode are connected respectively to the second input A and the second output B of described buck translation circuit.
In the embodiment shown in the utility model Fig. 4,, generate high-level control signal when control signal generation module 400 receives when setting power work to the power supply operating parameter setting in non-core zone.The grid of described mos field effect transistor receives described high level signal, and then the described mos field effect transistor of conducting.Then, buck translation circuit 100 is by short circuit, and only crisscross parallel resonant circuit 200 work can reduce the loss of power supply at this moment, further raise the efficiency.Control signal generation module 400 is receiving when setting power work to the power supply operating parameter setting of nucleus, generate the low level control signal, the grid of described mos field effect transistor receives described low level signal, described mos field effect transistor ends, buck translation circuit 100 and crisscross parallel resonant circuit 200 co-operation and then satisfy power supply and work under various conditions realize high power density.In the embodiment shown in the utility model Fig. 4, also the control signal of low level control signal as the described mos field effect transistor of conducting can be controlled high level as the control signal by described mos field effect transistor.Those skilled in the art can select according to actual conditions.
Fig. 5 illustrates, and comprises the embodiment of relay when handover module 300.Referring to Fig. 3 and 5 as can be known, high efficiency high power density power supply of the present utility model comprises buck translation circuit 100, crisscross parallel resonant circuit 200, handover module 300 and control signal generation module 400.Wherein this handover module 300 is a relay.In this embodiment, the first input end of buck translation circuit 100 and the second input A are connected respectively to its front stage circuits, and first output of described buck translation circuit 100 and the second output B are connected the first input end and second input of described crisscross parallel resonant circuit 200 respectively.The control end of described relay is connected to described control signal generation module 400, and the moving contact of described relay and fixed contact are connected respectively to the second input A and the second output B of described buck translation circuit.
In the embodiment shown in the utility model Fig. 5,, generate high-level control signal when control signal generation module 400 receives when setting power work to the power supply operating parameter setting in non-core zone.The control end of described relay receives described high level signal, relay closes.Then, buck translation circuit 100 is by short circuit, and only crisscross parallel resonant circuit 200 work can reduce the loss of power supply at this moment, further raise the efficiency.When control signal generation module 400 receives when setting power work to the power supply operating parameter setting of nucleus, generate the low level control signal, the control end of described relay receives described low level signal, described relay disconnects, buck translation circuit 100 and crisscross parallel resonant circuit 200 co-operation and then satisfy power supply and work under various conditions realize high power density.In the embodiment shown in the utility model Fig. 5, also can be with the control signal of low level control signal, with the control signal of high level control as the described relay of disconnection as the described relay of closure.Those skilled in the art can select according to actual conditions.
In other embodiment of the present utility model, described handover module 300 can also comprise other switching devices.Such as, it can comprise triode, and the base stage of described triode is connected to described control signal generation module 400, and the emitter and collector of described triode is connected respectively to the second input A and the second output B of described buck translation circuit.Certainly, those skilled in the art can also select other switching device as required, as long as can realize the utility model.
Implement high efficiency high power density power supply of the present utility model,, remedied the buck translation circuit and the deficiency of crisscross parallel resonant circuit on efficient of two-stage structure, thereby realized the high efficiency high power density by increasing a handover module.For example, 3kW is an example with output, though the highest 99.5% efficient when the buck translation circuit is accomplished to be operated in nucleus, so at the rare 7.5W of being lost to of buck translation circuit.Utilize handover module, can reduce this loss, thereby raise the efficiency.Loss reduces 2W, and then efficient improves 0.13%; Loss reduces 4W, and then efficient improves 0.27%; Loss reduces 5W, and then efficient improves 0.33%; Loss reduces 6W, and then efficient improves 0.4%.
Those skilled in the art know, thereby above-mentioned short circuit front stage circuits improves the method for power-efficient, not only is applicable to buck translation circuit and crisscross parallel resonant circuit, and any two-stage circuit can be used the utility model.
Thus, Fig. 6 discloses the 5th embodiment of high efficiency high power density power supply of the present utility model.As shown in Figure 6, high efficiency high power density power supply of the present utility model comprises prime topological circuit 610, secondary topological circuit 620 and the handover module 630 of mutual series connection.Wherein said prime topological circuit 610 and secondary topological circuit 620 are connected mutually, and described handover module 630 is connected between described prime topological circuit 610 and the secondary topological circuit 620.Described handover module 630 receives control signals, and based on this control signal conducting or disconnection, thus short circuit or connect described prime topological circuit 610.
In an embodiment of the present utility model, described prime topological circuit comprises buck translation circuit or boost type translation circuit; Described back level topological circuit comprises staggered half-bridge resonance circuit, staggered full-bridge resonant circuit or phase whole-bridging circuit.Described handover module comprises and described prime topological circuit switching device in parallel.Each embodiment of described handover module can be with reference to the embodiment shown in above Fig. 1-5.In the present embodiment, described handover module 630 can be any under the control signal effect, with circuit, module or the switching device of disconnection of buck translation circuit or conducting.For example, in a simplified embodiment of the present utility model, described handover module 630 even can be a switch.The control signal of controlling described handover module can be generated automatically by other modules inside and outside the power supply, also can trigger from user's active.In preferred embodiment of the present utility model, this handover module 630 is a mos field effect transistor.In another preferred embodiment of the present utility model, this handover module 630 is a relay.In other embodiment of the present utility model, described handover module 630 can also comprise other switching devices.Such as, it can comprise triode.Certainly, those skilled in the art can also select other switching device as required, as long as can realize the utility model.
In preferred embodiment of the present utility model, described high efficiency high power density power supply also can comprise the control signal generation module, and described control signal generation module and described handover module communicate to connect, and are used to receive the power supply operating parameter setting.And the control signal generation module further generates the control signal generation module of described control signal based on described power supply operating parameter setting.Each functions of components of high efficiency high power density power supply shown in Fig. 6 of the present utility model and implementation can be with reference to embodiment among Fig. 1-5.
Though the utility model describes by specific embodiment, it will be appreciated by those skilled in the art that, under the situation that does not break away from the utility model scope, can also carry out various conversion and be equal to alternative the utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole execution modes that fall in the utility model claim scope.
Claims (10)
1. high efficiency high power density power supply, the prime topological circuit and the secondary topological circuit that comprise mutual series connection, it is characterized in that described high efficiency high power density power supply further comprises and is connected between described prime topological circuit and the secondary topological circuit, is used for based on the control signal conducting or disconnects with short circuit or connect the handover module of described prime topological circuit.
2. high efficiency high power density power supply according to claim 1 is characterized in that described prime topological circuit comprises buck translation circuit or boost type translation circuit; Described back level topological circuit comprises staggered half-bridge resonance circuit, staggered full-bridge resonant circuit or phase whole-bridging circuit.
3. high efficiency high power density power supply according to claim 1 and 2, it is characterized in that described high efficiency high power density power supply comprises with described handover module the control signal generation module that communicates to connect, is used to receive the power supply operating parameter setting and generates described control signal based on described power supply operating parameter setting.
4. high efficiency high power density power supply according to claim 1 and 2 is characterized in that, described handover module comprises and described prime topological circuit switching device in parallel.
5. high efficiency high power density power supply according to claim 1, it is characterized in that, described prime topological circuit is the buck translation circuit, and described secondary topological circuit is the crisscross parallel resonant circuit, and described buck translation circuit and crisscross parallel resonant circuit are connected mutually; Be used for based on described control signal conducting or disconnect with short circuit or the described handover module of connecting described buck translation circuit and being connected between described buck translation circuit and the crisscross parallel resonant circuit.
6. high efficiency high power density power supply according to claim 5, it is characterized in that described high efficiency high power density power supply comprises with described handover module the control signal generation module that communicates to connect, is used to receive the power supply operating parameter setting and generates described control signal based on described power supply operating parameter setting.
7. high efficiency high power density power supply according to claim 6 is characterized in that, described handover module comprises and described buck translation circuit switching device in parallel.
8. high efficiency high power density power supply according to claim 7, it is characterized in that, described handover module comprises mos field effect transistor, the grid of described mos field effect transistor is connected to described control signal generation module, and the source electrode of described mos field effect transistor and drain electrode are connected respectively to the input and the output of described buck translation circuit.
9. high efficiency high power density power supply according to claim 7, it is characterized in that, described handover module comprises relay, the control end of described relay is connected to described control signal generation module, and the moving contact of described relay and fixed contact are connected respectively to the input and the output of described buck translation circuit.
10. high efficiency high power density power supply according to claim 7, it is characterized in that, described handover module comprises triode, the base stage of described triode is connected to described control signal generation module, and the emitter and collector of described triode is connected respectively to the input and the output of described buck translation circuit.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200921662U CN202043042U (en) | 2011-03-31 | 2011-03-31 | Power supply with high efficiency and high-power density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200921662U CN202043042U (en) | 2011-03-31 | 2011-03-31 | Power supply with high efficiency and high-power density |
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| CN202043042U true CN202043042U (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200921662U Expired - Lifetime CN202043042U (en) | 2011-03-31 | 2011-03-31 | Power supply with high efficiency and high-power density |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739065A (en) * | 2011-03-31 | 2012-10-17 | 艾默生网络能源***北美公司 | Power supply with high efficiency and high power density |
| CN104935166A (en) * | 2015-06-26 | 2015-09-23 | 长沙广义变流技术有限公司 | DC-DC power supply device |
-
2011
- 2011-03-31 CN CN2011200921662U patent/CN202043042U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739065A (en) * | 2011-03-31 | 2012-10-17 | 艾默生网络能源***北美公司 | Power supply with high efficiency and high power density |
| CN102739065B (en) * | 2011-03-31 | 2016-01-06 | 艾默生网络能源***北美公司 | A kind of high power density power supply |
| CN104935166A (en) * | 2015-06-26 | 2015-09-23 | 长沙广义变流技术有限公司 | DC-DC power supply device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 1510, Kansas Avenue, lureen, Ohio, USA Patentee after: Walteff energy systems company Address before: The United States of Ohio city F Lorain Street No. 1122 Patentee before: Emerson Network Power Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |