CN204835959U - High -power power of liquid cooling - Google Patents
High -power power of liquid cooling Download PDFInfo
- Publication number
- CN204835959U CN204835959U CN201520568502.4U CN201520568502U CN204835959U CN 204835959 U CN204835959 U CN 204835959U CN 201520568502 U CN201520568502 U CN 201520568502U CN 204835959 U CN204835959 U CN 204835959U
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- CN
- China
- Prior art keywords
- circuit
- input
- output
- high frequency
- factor correction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
The utility model relates to a high -power power of liquid cooling, including filtering subassembly, power converting module and display circuit, the filtering subassembly is including input EMI filter circuit and power factor correction module, and the power converting module includes high frequency transfer circuit, high frequency rectifier circuit, auxiliary electrical power source, output EMI filter circuit, pulsewidth modulation and control circuit, input EMI filter circuit's input links to each other with the electric wire netting, and its output links to each other with the input of power factor correction module, the output of power factor correction module links to each other with output EMI filter circuit's input through high frequency transfer circuit, high frequency rectifier circuit in proper order, the input of high frequency transfer circuit links to each other with pulsewidth modulation and control circuit's output, and high frequency rectifier circuit's output links to each other with pulsewidth modulation and control circuit's input. The utility model discloses reduce the cable figure of components and parts and internal connection line, improved the aesthetic property and the interference immunity of power.
Description
Technical field
The utility model relates to a kind of switch power technology field, is specifically related to a kind of liquid cooling large power supply.
Background technology
Switching Power Supply utilizes modern power electronics technology, the time ratio of control switch transistor ON and shutoff, maintains a kind of power supply of regulated output voltage.Switching Power Supply high frequency is the direction of its development, and high frequency makes Switching Power Supply miniaturized, and makes Switching Power Supply enter application widely, particularly in the application of high-technology field, has promoted the miniaturization of new high-tech product, lighting.But each functional circuit of currently used its inside of Switching Power Supply adopts hardware to build, and layout is unreasonable, which increases the number of components and parts and internal connection line cable, not only installs more loaded down with trivial details, affects perception, also easily cause interference.
Utility model content
The purpose of this utility model is to provide a kind of liquid cooling large power supply, by control protection electric circuit and the communication function of power supply, strengthens power supply interference free performance.
For achieving the above object, the utility model have employed following technical scheme: comprise filtering unit, power conversion module and display circuit, described filtering unit comprises input EMI filter circuit and power factor correction module, described power conversion module comprises high frequency conversion circuit, high-frequency rectification circuit, accessory power supply, export EMI filter circuit, pulse-width modulation and control circuit, the input of described input EMI filter circuit is connected with electrical network phase three-wire three end, its output is connected with the input of power factor correction module, the output of described power factor correction module is successively through high frequency conversion circuit, high-frequency rectification circuit is connected with the input exporting EMI filter circuit, the control input end of described high frequency conversion circuit is connected with the output of pulse-width modulation and control circuit, the output of described high-frequency rectification circuit is connected with the input of pulse-width modulation and control circuit, described display circuit is connected alternately with pulse-width modulation and control circuit, described input EMI filter circuit, for suppressing the High-frequency Interference in AC network on the impact of equipment, described display circuit, for showing electric current in current circuit and voltage.
Further, described power factor correction module comprises rectified three-phase circuit, circuit of power factor correction, surge restraint circuit and AC detection circuit, the input of described rectified three-phase circuit is connected with the output of input EMI filter circuit, its output is successively by circuit of power factor correction, surge restraint circuit is connected with the input of high frequency conversion circuit, described accessory power supply respectively with pulse-width modulation and control circuit, surge restraint circuit, AC detection circuit is connected for being powered to it, the output of described rectified three-phase circuit is connected with the input of accessory power supply.
Further, described power factor correction module also comprises secondary filtering circuit, and the described input of secondary filtering circuit is connected with the output of surge restraint circuit, and its output is connected with the input of high frequency conversion circuit.
Further, described display circuit comprises Display panel.
As shown from the above technical solution, liquid cooling large power supply described in the utility model, can be widely used in the main equipments such as industrial instrument, communications and transportation communication apparatus, industrial computer and scientific research, test is used as DC power supply; This power acquisition passive power factor correct module and high frequency conversion circuit realiration mapping function, each functional module accessible site on circuit boards, decreases the cable number of components and parts and internal connection line, improves aesthetic property and the anti-interference of power supply.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Comprise as shown in Figure 1, the liquid cooling large power supply of the present embodiment, comprise filtering unit, power conversion module and display circuit 12, filtering unit comprises input EMI filter circuit 1 and power factor correction module, power conversion module comprises high frequency conversion circuit 6, high-frequency rectification circuit 7, accessory power supply 9, export EMI filter circuit 8, pulse-width modulation and control circuit 10, the input of input EMI filter circuit 1 is connected with electrical network phase three-wire three end, its output is connected with the input of power factor correction module, the output of power factor correction module is successively through high frequency conversion circuit 6, high-frequency rectification circuit 7 is connected with the input exporting EMI filter circuit 8, the control input end of high frequency conversion circuit 6 is connected with the output of pulse-width modulation and control circuit 10, the output of high-frequency rectification circuit 7 is connected with the input of pulse-width modulation and control circuit 10, display circuit 12 is connected alternately with pulse-width modulation and control circuit 10, input EMI filter circuit 1, for suppressing the High-frequency Interference in AC network on the impact of equipment, display circuit 12, for showing electric current in current circuit and voltage.Wherein, display circuit 12 comprises Display panel.
In the present embodiment, power factor correction module comprises rectified three-phase circuit 2, circuit of power factor correction 3, surge restraint circuit 4 and AC detection circuit 11, the input of rectified three-phase circuit 2 is connected with the output of input EMI filter circuit 1, circuit of power factor correction 3, surge restraint circuit 4 are connected with the input of high frequency conversion circuit 6 by its output successively, accessory power supply 9 is for powering to pulse-width modulation and control circuit 10, surge restraint circuit 4, AC detection circuit 11, and the output of rectified three-phase circuit 2 is connected with the input of accessory power supply 9.Power factor correction module also comprises secondary filtering circuit 5, and the input of secondary filtering circuit 5 is connected with the output of surge restraint circuit 4, and its output is connected with the input of high frequency conversion circuit 6.
In above-mentioned module, the function of rectified three-phase circuit 2 is the direct voltages interchange input rectifying of 380V being become about 500V; The effect of surge restraint circuit 4 is the instantaneous large electric energy in absorbing circuit, the fail safe of protection power consumption equipment; High frequency conversion circuit 6 utilizes full-bridge circuit and high frequency transformer to carry out voltage transformation, and high-frequency rectification circuit 7 is that the AC signal obtained by high frequency conversion is rectified into DC low-voltage.
Operation principle: three-phase 380V civil power flows into after input EMI filter circuit 1 carries out removal interference and exports 500V direct voltage through rectified three-phase circuit 2, this direct voltage flows into power conversion module again after power factor correction module, obtains 34V direct voltage by high frequency transformer, output rectifier diode and output inductor.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that the utility model claims determine.
Claims (4)
1. a liquid cooling large power supply, it is characterized in that: comprise filtering unit, power conversion module and display circuit (12), described filtering unit comprises input EMI filter circuit (1) and power factor correction module, described power conversion module comprises high frequency conversion circuit (6), high-frequency rectification circuit (7), accessory power supply (9), export EMI filter circuit (8), pulse-width modulation and control circuit (10), the input of described input EMI filter circuit (1) is connected with electrical network phase three-wire three end, its output is connected with the input of power factor correction module, the output of described power factor correction module is successively through high frequency conversion circuit (6), high-frequency rectification circuit (7) is connected with the input exporting EMI filter circuit (8), the control input end of described high frequency conversion circuit (6) is connected with the output of pulse-width modulation and control circuit (10), the output of described high-frequency rectification circuit (7) is connected with the input of pulse-width modulation and control circuit (10), described display circuit (12) is connected alternately with pulse-width modulation and control circuit (10), described input EMI filter circuit (1), for suppressing the High-frequency Interference in AC network on the impact of equipment, described display circuit (12), for showing electric current in current circuit and voltage.
2. liquid cooling large power supply according to claim 1, it is characterized in that: described power factor correction module comprises rectified three-phase circuit (2), circuit of power factor correction (3), surge restraint circuit (4) and AC detection circuit (11), the input of described rectified three-phase circuit (2) is connected with the output of input EMI filter circuit (1), its output is successively by circuit of power factor correction (3), surge restraint circuit (4) is connected with the input of high frequency conversion circuit (6), described accessory power supply (9) respectively with pulse-width modulation and control circuit (10), surge restraint circuit (4), AC detection circuit (11) is connected for being powered to it, the output of described rectified three-phase circuit (2) is connected with the input of accessory power supply (9).
3. liquid cooling large power supply according to claim 2, it is characterized in that: described power factor correction module also comprises filter circuit (5), the input of described filter circuit (5) is connected with the output of surge restraint circuit (4), and its output is connected with the input of high frequency conversion circuit (6).
4. liquid cooling large power supply according to claim 1, is characterized in that: described display circuit (12) comprises Display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568502.4U CN204835959U (en) | 2015-07-31 | 2015-07-31 | High -power power of liquid cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568502.4U CN204835959U (en) | 2015-07-31 | 2015-07-31 | High -power power of liquid cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204835959U true CN204835959U (en) | 2015-12-02 |
Family
ID=54693514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520568502.4U Expired - Fee Related CN204835959U (en) | 2015-07-31 | 2015-07-31 | High -power power of liquid cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204835959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233735A (en) * | 2018-01-02 | 2018-06-29 | 江西先能新能源科技股份有限公司 | A kind of 30KW charging modules |
-
2015
- 2015-07-31 CN CN201520568502.4U patent/CN204835959U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233735A (en) * | 2018-01-02 | 2018-06-29 | 江西先能新能源科技股份有限公司 | A kind of 30KW charging modules |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20210731 |