CN203180646U - Smart grid terminal integrated power supply - Google Patents
Smart grid terminal integrated power supply Download PDFInfo
- Publication number
- CN203180646U CN203180646U CN 201320158752 CN201320158752U CN203180646U CN 203180646 U CN203180646 U CN 203180646U CN 201320158752 CN201320158752 CN 201320158752 CN 201320158752 U CN201320158752 U CN 201320158752U CN 203180646 U CN203180646 U CN 203180646U
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- Prior art keywords
- switch
- power supply
- monitoring module
- converter
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
Abstract
The utility model relates to a smart grid terminal integrated power supply. A signal output port of a high-frequency switching power supply is connected with an input terminal of a high-frequency switching power supply monitoring module through a signal line; a signal output port of a DC/AC inverter is connected with an input terminal of an emergency power supply monitoring module through a signal line; a signal output port of a first DC/DC converter is connected with an input terminal of a communication power supply monitoring module through a signal line; a signal output port of a second DC/DC converter is connected with an input terminal of a relay protection power supply monitoring module through a signal line; signal output terminals of the high-frequency switching power supply monitoring module, the emergency power supply monitoring module, the communication power supply monitoring module, and the relay protection power supply monitoring module are respectively connected into a signal input terminal of a main monitoring module through signal lines. The signal output terminal of the main monitoring module is respectively connected with a host computer and a liquid crystal display screen. The smart grid terminal integrated power supply has a compact structure. The high-frequency switching power supply, the emergency power supply, the communication power supply, and the relay protection power supply can be simultaneously monitored.
Description
Technical field
The utility model relates to a kind of power-supply system, particularly a kind of intelligent grid terminal integrated power supply.
Background technology
Safe operation for alternating current-direct current power devices such as the background computer in the assurance transformer station, automatics, transmitter, communication equipment, protective devices; except the direct current system of transformer station; also need to dispose UPS device and special-purpose communication power supply device; people arranged these three kinds of different power supplys respectively always in the past; each self-configuring one group storage battery causes the equipment manufacturing cost height, and maintenance is big; reliability is low, and resource utilization is low.
Along with high frequency switch power technology applying in direct current system, people begin to consider rational Application transformer station how resource, reduce the reliability of equipment manufacturing cost and maintenance workload, raising equipment.Begin to attempt adopting a kind of like this compound mode in some transformer stations at present: replace UPS equipment with sine-wave inverter, replace the communication power supply device with high power D C/DC converter, the input of two kinds of equipment directly is affiliated on the bus of direct current system.Alternating current is just often provided the electricity consumption of DC/AC converter and DC/DC converter by the charging device of direct current system; When exchanging dead electricity, provide the direct current electricity consumption by the batteries of direct current system.
Existing electric network source, ac main power is connected with ac bus through main power switch, ac bus is connected with high frequency switch power by the high frequency switch power switch, the outlet of high frequency switch power inserts dc bus, and the outlet of dc bus is connected in parallel to DC/AC inverter direct current input switch, the first DC to DC converter switch and the second DC to DC converter switch respectively; DC/AC inverter direct current input switch is connected with the direct-flow input end of DC/AC inverter, and the ac output end of DC/AC inverter is connected with the emergency power supply switch; The first DC to DC converter switch is connected with the input of first DC to DC converter, and the output of first DC to DC converter is connected with the communication power supply switch; The output of the second DC to DC converter switch is connected with the input of second DC to DC converter, and the output of second DC to DC converter is connected with the guarantor's mains switch that continues; Dc bus is connected with batteries by the batteries switch.
The utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of intelligent grid terminal integrated power supply is provided, and compact conformation can be monitored high frequency switch power, emergency power supply, communication power supply and the guarantor's power supply that continues simultaneously.
For solving above technical problem, intelligent grid terminal integrated power supply of the present utility model, ac main power is connected with ac bus through main power switch, described ac bus is connected with high frequency switch power by the high frequency switch power switch, the outlet of described high frequency switch power inserts dc bus, and the outlet of described dc bus is connected in parallel to DC/AC inverter direct current input switch, the first DC to DC converter switch and the second DC to DC converter switch respectively; Described DC/AC inverter direct current input switch is connected with the direct-flow input end of DC/AC inverter, and the ac output end of described DC/AC inverter is connected with the emergency power supply switch; The described first DC to DC converter switch is connected with the input of first DC to DC converter, and the output of described first DC to DC converter is connected with the communication power supply switch; The output of the described second DC to DC converter switch is connected with the input of second DC to DC converter, the output of described second DC to DC converter is connected with the guarantor's mains switch that continues, the signal output of described high frequency switch power is connected by the input of holding wire with the high frequency switch power monitoring module, the signal output of described DC/AC inverter is connected by the input of holding wire with the emergency power supply monitoring module, the signal output of described first DC to DC converter is connected by the input of holding wire with the communication power supply monitoring module, and the signal output of described second DC to DC converter is connected with the input of protecting Power Monitoring Unit that continues by holding wire; The signal output part of described high frequency switch power monitoring module, emergency power supply monitoring module, communication power supply monitoring module and the guarantor's Power Monitoring Unit that continues inserts the signal input part of main monitoring module respectively by holding wire, the signal output part of described main monitoring module is connected with host computer and LCDs respectively.
With respect to prior art, the utility model has been obtained following beneficial effect: the high frequency switch power monitoring module is gathered the signal of high frequency switch power, the emergency power supply monitoring module is gathered the signal of DC/AC inverter, the communication power supply monitoring module is gathered the signal of first DC to DC converter, continue and protect the signal that Power Monitoring Unit is gathered second DC to DC converter, send into main monitoring module separately, fed back in the LCDs demonstration and to host computer by main monitoring module output.
As preferred version of the present utility model, the ac input end of described DC/AC inverter exchanges input switch by DC/AC inverter and is connected with described ac bus, and described DC/AC inverter exchanges input switch and the interlocking of described DC/AC inverter direct current input switch; Described ac bus is connected with described emergency power supply switch by by-pass switch.When the dc bus dead electricity, can exchange input switch and DC/AC inverter provides emergency power supply by DC/AC inverter; When maintenance, can also provide emergency power supply by by-pass switch.
As preferred version of the present utility model, the outlet of described dc bus also is connected in parallel to power switch switch and step-down silicon chain, and described step-down silicon chain is connected with the control mains switch; The outlet of described power switch switch and control mains switch is equipped with insulation tester, and the signal output part of described insulation tester inserts the signal input part of main monitoring module.Dc bus directly provides power switch, and by providing the control power supply behind the step-down silicon chain reduction voltage, insulation tester provides the insulation detection signal to main monitoring module simultaneously.
As preferred version of the present utility model, described dc bus is connected with batteries by the batteries switch, described batteries also is connected with electric discharge device and battery logging, and the signal output part of described battery logging inserts the signal input part of main monitoring module.Emergency power supply, communication power supply and the guarantor's power supply that continues share a batteries, and structure is compact; The battery logging provides the operational factor of batteries to main monitoring module.
As preferred version of the present utility model, described ac bus is connected with Surge Protector; Described dc bus is connected with the DC lightning prevention device.
As preferred version of the present utility model, described ac bus is connected with accessory power supply by the accessory power supply switch, described accessory power supply switch and the interlocking of described main power switch.
As preferred version of the present utility model, described ac main power is connected with the main power source lightning arrester by the main power source arrester switch, and described accessory power supply is connected with the accessory power supply lightning arrester by the accessory power supply arrester switch.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, accompanying drawing only provides reference and explanation usefulness, and is non-in order to limit the utility model.
Fig. 1 is the structural representation of the utility model intelligent grid terminal integrated power supply.
Among the figure: the QF1. main power switch; QF2. accessory power supply switch; QF3. main power source arrester switch; QF4. accessory power supply arrester switch; QF5, QF6, QF7. high frequency switch power switch; QF8. batteries switch; QF9. DC/AC inverter direct current input switch; QF10. DC/AC inverter exchanges input switch; QF11. by-pass switch; QF12. the first DC to DC converter switch; QF13. the second DC to DC converter switch; K. electric discharge device switch; KK1, KK2, KK3, KK4. control mains switch; HK1, HK2, HK3, HK4. power switch switch; NK1, NK2, NK3, NK4, NK5. emergency power supply switch; TK1, TK2, TK3. communication power supply switch; BK1, BK2, the BK3. guarantor's mains switch that continues; FSU1. main power source lightning arrester; FSU2. accessory power supply lightning arrester; FS. Surge Protector; MK1 ~ MK3. high frequency switch power; DY. step-down silicon chain; DPS. DC lightning prevention device; SB. batteries; FD. electric discharge device; DC/AC. DC/AC inverter; DC/DC. DC to DC converter; JK1. high frequency switch power monitoring module; JK2. emergency power supply monitoring module; JK3. communication power supply monitoring module; JK4. guarantor's Power Monitoring Unit continues; DQ. battery logging; JY. insulation tester; JK. main monitoring module.
Embodiment
As shown in Figure 1, intelligent grid terminal integrated power supply of the present utility model, ac main power is connected with ac bus through main power switch QF1, and accessory power supply is connected with ac bus by accessory power supply switch QF2, accessory power supply switch QF2 and main power switch QF1 interlocking.Ac main power is connected with main power source lightning arrester FSU1 by main power source arrester switch QF3, and accessory power supply is connected with accessory power supply lightning arrester FSU2 by accessory power supply arrester switch QF4, and ac bus is connected with Surge Protector FS.
Ac bus is connected with high frequency switch power MK1 ~ MK3 by high frequency switch power switch QF5, QF6, QF7, and the outlet of high frequency switch power MK1 ~ MK3 inserts dc bus.
The outlet of dc bus is connected in parallel to batteries switch QF8, DC/AC inverter direct current input switch QF9, the first DC to DC converter switch QF12, the second DC to DC converter switch QF13 and DC lightning prevention device DPS respectively.The outlet of dc bus also is connected in parallel to power switch switch HK1, HK2, HK3, HK4 and step-down silicon chain DY, step-down silicon chain DY is connected with control mains switch KK1, KK2, KK3, KK4, and the outlet of power switch switch HK1, HK2, HK3, HK4 and control mains switch KK1, KK2, KK3, KK4 is equipped with insulation tester JY; Dc bus directly provides power switch, simultaneously by providing the control power supply behind the step-down silicon chain DY reduction voltage.
Batteries switch QF8 is connected with batteries SB, and batteries SB also is connected with the battery logging DQ of electric discharge device FD and monitoring batteries operational factor, and electric discharge device FD is connected with batteries SB by the electric discharge device K switch.
DC/AC inverter direct current input switch QF9 is connected with the direct-flow input end of DC/AC inverter DC/AC, and the ac output end of DC/AC inverter DC/AC is connected with emergency power supply switch NK1, NK2, NK3, NK4, NK5; The ac input end of DC/AC inverter DC/AC exchanges input switch QF10 by DC/AC inverter and is connected with ac bus, and DC/AC inverter exchanges input switch QF10 and DC/AC inverter direct current input switch QF9 interlocking; Ac bus is connected with emergency power supply switch NK1, NK2, NK3, NK4, NK5 by by-pass switch QF11.When the dc bus dead electricity, can exchange input switch QF10 and DC/AC inverter DC/AC provides emergency power supply by DC/AC inverter; When maintenance, can also provide emergency power supply by by-pass switch QF11.
The first DC to DC converter switch QF12 is connected with the input of the first DC to DC converter DC/DC-1, and the output of the first DC to DC converter DC/DC-1 is connected with communication power supply switch TK1, TK2, TK3.
The output of the second DC to DC converter switch QF13 is connected with the input of the second DC to DC converter DC/DC-2, and the output of the second DC to DC converter DC/DC-2 is connected with guarantor's mains switch BK1 that continues, BK2, BK3.
The signal output of high frequency switch power MK1 ~ MK3 is connected by the input of holding wire with high frequency switch power monitoring module JK1, the signal output of DC/AC inverter DC/AC is connected by the input of holding wire with emergency power supply monitoring module JK2, the signal output of the first DC to DC converter DC/DC-1 is connected by the input of holding wire with communication power supply monitoring module JK3, and the signal output of the second DC to DC converter DC/DC-2 is connected with the input of protecting Power Monitoring Unit JK4 that continues by holding wire.
High frequency switch power monitoring module JK1, battery logging DQ, emergency power supply monitoring module JK2, communication power supply monitoring module JK3 and the signal output part of protecting Power Monitoring Unit JK4, insulation tester JY that continues insert the signal input part of main monitoring module JK respectively by holding wire, the signal output part of main monitoring module JK is connected with host computer and LCDs respectively.
In the work, high frequency switch power monitoring module JK1 gathers the signal of high frequency switch power MK1 ~ MK3, emergency power supply monitoring module JK2 gathers the signal of DC/AC inverter DC/AC, communication power supply monitoring module JK3 gathers the signal of the first DC to DC converter DC/DC-1, continue and protect the signal that Power Monitoring Unit JK4 gathers the second DC to DC converter DC/DC-2, send into main monitoring module JK separately, in the LCDs demonstration and to the host computer feedback, main monitoring module also is provided with warning output interface and keyboard input interface by main monitoring module JK output.
High frequency switch power monitoring module JK1, emergency power supply monitoring module JK2, communication power supply monitoring module JK3 and guarantor's Power Monitoring Unit JK4 that continues preferably adopt Ai Mo to give birth to PSM-A10 type monitoring module, and main monitoring module JK preferably adopts Ai Mo to give birth to PSM-E20 type monitoring module.The KHDJ-104 battery logging that battery logging DQ preferably adopts Dalian Ke Hai observation and control technology Co., Ltd to produce; The ZJY-1 type insulation tester that insulation tester JY preferably adopts Jiangsu Zhongling High Science and Technology Co., Ltd to produce.ATN-2KVA DC/AC inverter that DC/AC inverter preferably adopts Zhejiang Chinese electricity Science and Technology Ltd. to produce.
The above only is the preferable possible embodiments of the utility model, and is non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (7)
1. intelligent grid terminal integrated power supply, ac main power is connected with ac bus through main power switch, described ac bus is connected with high frequency switch power by the high frequency switch power switch, the outlet of described high frequency switch power inserts dc bus, and the outlet of described dc bus is connected in parallel to DC/AC inverter direct current input switch, the first DC to DC converter switch and the second DC to DC converter switch respectively; Described DC/AC inverter direct current input switch is connected with the direct-flow input end of DC/AC inverter, and the ac output end of described DC/AC inverter is connected with the emergency power supply switch; The described first DC to DC converter switch is connected with the input of first DC to DC converter, and the output of described first DC to DC converter is connected with the communication power supply switch; The output of the described second DC to DC converter switch is connected with the input of second DC to DC converter, the output of described second DC to DC converter is connected with the guarantor's mains switch that continues, it is characterized in that: the signal output of described high frequency switch power is connected by the input of holding wire with the high frequency switch power monitoring module, the signal output of described DC/AC inverter is connected by the input of holding wire with the emergency power supply monitoring module, the signal output of described first DC to DC converter is connected by the input of holding wire with the communication power supply monitoring module, and the signal output of described second DC to DC converter is connected with the input of protecting Power Monitoring Unit that continues by holding wire; The signal output part of described high frequency switch power monitoring module, emergency power supply monitoring module, communication power supply monitoring module and the guarantor's Power Monitoring Unit that continues inserts the signal input part of main monitoring module respectively by holding wire, the signal output part of described main monitoring module is connected with host computer and LCDs respectively.
2. intelligent grid terminal integrated power supply according to claim 1, it is characterized in that: the ac input end of described DC/AC inverter exchanges input switch by DC/AC inverter and is connected with described ac bus, and described DC/AC inverter exchanges input switch and the interlocking of described DC/AC inverter direct current input switch; Described ac bus is connected with described emergency power supply switch by by-pass switch.
3. intelligent grid terminal integrated power supply according to claim 1, it is characterized in that: the outlet of described dc bus also is connected in parallel to power switch switch and step-down silicon chain, and described step-down silicon chain is connected with the control mains switch; The outlet of described power switch switch and control mains switch is equipped with insulation tester, and the signal output part of described insulation tester inserts the signal input part of main monitoring module.
4. intelligent grid terminal integrated power supply according to claim 1, it is characterized in that: described dc bus is connected with batteries by the batteries switch, described batteries also is connected with electric discharge device and battery logging, and the signal output part of described battery logging inserts the signal input part of main monitoring module.
5. intelligent grid terminal integrated power supply according to claim 1, it is characterized in that: described ac bus is connected with Surge Protector; Described dc bus is connected with the DC lightning prevention device.
6. intelligent grid terminal integrated power supply according to claim 1, it is characterized in that: described ac bus is connected with accessory power supply by the accessory power supply switch, described accessory power supply switch and the interlocking of described main power switch.
7. intelligent grid terminal integrated power supply according to claim 7, it is characterized in that: described ac main power is connected with the main power source lightning arrester by the main power source arrester switch, and described accessory power supply is connected with the accessory power supply lightning arrester by the accessory power supply arrester switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158752 CN203180646U (en) | 2013-04-02 | 2013-04-02 | Smart grid terminal integrated power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158752 CN203180646U (en) | 2013-04-02 | 2013-04-02 | Smart grid terminal integrated power supply |
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| Publication Number | Publication Date |
|---|---|
| CN203180646U true CN203180646U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320158752 Expired - Fee Related CN203180646U (en) | 2013-04-02 | 2013-04-02 | Smart grid terminal integrated power supply |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656079A (en) * | 2016-01-29 | 2016-06-08 | 北京天诚同创电气有限公司 | Switch bypass circuit, converter and direct current network deployment converter system |
| CN107612127A (en) * | 2016-12-20 | 2018-01-19 | 合肥亚飞电力设备有限公司 | A kind of DC power supply panel of modern high security |
| CN107888088A (en) * | 2017-12-05 | 2018-04-06 | 广州京善电子有限公司 | Integrated lightning protection monitors power supply |
| CN110635553A (en) * | 2019-09-24 | 2019-12-31 | 中水淮河规划设计研究有限公司 | Based on direct current, UPS, EPS integration intelligent power supply |
-
2013
- 2013-04-02 CN CN 201320158752 patent/CN203180646U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656079A (en) * | 2016-01-29 | 2016-06-08 | 北京天诚同创电气有限公司 | Switch bypass circuit, converter and direct current network deployment converter system |
| CN107612127A (en) * | 2016-12-20 | 2018-01-19 | 合肥亚飞电力设备有限公司 | A kind of DC power supply panel of modern high security |
| CN107888088A (en) * | 2017-12-05 | 2018-04-06 | 广州京善电子有限公司 | Integrated lightning protection monitors power supply |
| CN110635553A (en) * | 2019-09-24 | 2019-12-31 | 中水淮河规划设计研究有限公司 | Based on direct current, UPS, EPS integration intelligent power supply |
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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: 20130904 |