CN204465364U - A kind of high voltage electric and electronic device high potential energy supplying system - Google Patents
A kind of high voltage electric and electronic device high potential energy supplying system Download PDFInfo
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- CN204465364U CN204465364U CN201420866234.XU CN201420866234U CN204465364U CN 204465364 U CN204465364 U CN 204465364U CN 201420866234 U CN201420866234 U CN 201420866234U CN 204465364 U CN204465364 U CN 204465364U
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Abstract
The utility model provides a kind of high voltage electric and electronic device high potential energy supplying system, comprises frequency converter, high-frequency isolation transformer, distributed magnet ring and rectifying and voltage-stabilizing module; The input termination power frequency AC of described frequency converter, it exports the input of high-frequency isolation transformer described in termination, the output of described high-frequency isolation transformer is connected with the input being fixed on described distributed magnet ring on high potential by high-tension cable, the output of described distributed magnet ring is connected with the input of described rectifying and voltage-stabilizing module, and the output of described rectifying and voltage-stabilizing module is connected with the drive circuit of described high voltage electric and electronic device.The technical scheme that the utility model provides is simple and compact for structure, volume is little, complete function, can provide multikilowatt high-power power, achieves the high-voltage electrical apparatus isolation at different potentials place on high potential.
Description
Technical field
The utility model relates to a kind of energy supplying system, specifically relates to a kind of high voltage electric and electronic device high potential energy supplying system.
Background technology
High voltage electric and electronic device be composition HVDC Equipments core component, its in actual applications, power electronic device is in a high-voltage by series connection, drive circuit and its be directly electrically connected, be in same current potential, as shown in Figure 1.Drive circuit obtain energy condition under, can ensure reliably working, it is in high potential, causes it not directly to be connected with ground power supply system, can only high potential energy collecting or by electrical isolation from earth potential to its energy supply.In DC line, without alternating electromagnetic field, directly getting can be difficult, and be therefore selected in by earth potential to its energy supply, power electronic device is in again different current potentials, becomes distributed arrangement, be then called high-order distribution energy supply.
The energy supplying system of the high voltage electric and electronic device of current direct current system mainly comprises laser energy supplying system, solar energy energy supplying system and power frequency isolation transformer energy supplying system.
The finite energy that laser energy supplying system can provide, is milliwatt level, far from can meets electric energy needed for multikilowatt load; Solar electric power supply system affects greatly by extraneous natural cause, can not electric energy needed for the output successive load of continous-stable; Industrial Frequency Transformer volume in power frequency isolation transformer energy supplying system and magnet ring volume and weight are all comparatively large, are unfavorable for transport, install and integrated;
Therefore, need to provide a kind of new technical scheme, this technical scheme can provide stable high-power power, can reduce again the volume of energy supplying system, is convenient to transport and installs.
Utility model content
In order to solve above-mentioned deficiency existing in prior art, the utility model provides a kind of new high voltage electric and electronic device high potential energy supplying system.
The technical scheme that the utility model provides is: a kind of high voltage electric and electronic device high potential energy supplying system, comprises frequency converter, high-frequency isolation transformer, distributed magnet ring and rectifying and voltage-stabilizing module; Its improvements are: the input termination power frequency AC of described frequency converter, it exports the input of high-frequency isolation transformer described in termination, the output of described high-frequency isolation transformer is connected with the input being fixed on described distributed magnet ring on high potential by high-tension cable, the output of described distributed magnet ring is connected with the input of described rectifying and voltage-stabilizing module, and the output of described rectifying and voltage-stabilizing module is connected with the drive circuit of described high voltage electric and electronic device.
Preferably, the output of described rectifying and voltage-stabilizing module is connected with described frequency converter by voltage feedback loop.
Preferably, described rectifying and voltage-stabilizing module comprises semiconductor rectifier and voltage-stabilizing device; Described semiconductor rectifier comprises the input be connected with the output of described distributed magnet ring and the output be connected with the input of described voltage-stabilizing device, and the output of described voltage-stabilizing device is connected with described drive circuit.
Preferably, described high-frequency isolation transformer comprises cylindrical insulation crust, the metab being arranged on described cylindrical insulation crust two ends respectively and grading ring, and is arranged on the transformer body in described cylindrical insulation crust; Described insulation crust top is provided with two insulators along the direction of its axis being parallel.
Further, described transformer body comprises the two-stage or the above transformer of two-stage that connect successively; Winding two ends of the first order transformer of the two-stage connected successively or the above transformer of two-stage are input, and the secondary winding two ends of afterbody transformer are output;
Every grade of transformer of described transformer body is provided with equalizer circuit, and described equalizer circuit comprises resistance in parallel and electric capacity; One end of described resistance is connected with the Same Name of Ends of transformer winding, and its other end is connected with the Same Name of Ends of secondary winding.
Preferably, described distributed magnet ring comprises two or more magnet rings;
Described magnet ring comprises in the middle part of vertical supporting bracket, fixing its vertical with described vertical supporting bracket and leaves the insulation crust of high-tension cable threading center hole and the concentricity magnet ring body be arranged in described insulation crust.
Further, the bottom of described insulation crust is in the circular arc camber to lower convexity, and described vertical supporting bracket is rectangular slab, and the both sides of described vertical supporting bracket are respectively arranged with the hollow cylindrical keeper of axis and described center hole axes normal.
Further, the top of described insulation crust is in the horizontal plane a little more than described vertical supporting bracket; Described vertical supporting bracket top is provided with two vertical outlet terminals.
Preferably, the output of described voltage stabilizing rectification module is also connected with inverter, and the other end of described inverter is the output be connected with AC load.
Preferably, the output of described voltage stabilizing rectification module is also connected with DC/DC converter, and the other end of described DC/DC converter is the output be connected with DC load.
Compared with immediate technical scheme, the utility model has following marked improvement:
1, adopt stable power frequency AC as the power supply of energy supplying system, power supply, not by extraneous natural cause and component influences, ensure that energy supplying system self input is stable, improves power supply reliability;
2, the output of rectifying and voltage-stabilizing module is connected with transformer by voltage feedback loop, adopts closed loop feedback to regulate the output voltage of rectifying and voltage-stabilizing module, ensure that the output voltage stabilization of energy supplying system, provide power supply reliability;
3, earth potential is delivered to high potential by high-frequency isolation transformer, compared with sending energy mode with traditional power frequency isolation transformer, under the condition of isolation ad eundem voltage, volume significantly reduces, and reduces transport difficulty and the installation difficulty of energy supplying system, has saved power supply cost;
4, high-frequency isolation transformer effectively achieves high-voltage electrical apparatus isolation, can provide multikilowatt high-power power, meet high power load demand, improve the energy supply performance of energy supplying system;
5, magnet ring structure is compact, convenient, easy for installation with successive load wiring, reduces volume and weight, provides cost savings;
6, at the output side joint DC/DC converter of rectifying and voltage-stabilizing module, the direct current that rectifying and voltage-stabilizing module exports can be used for other DC load needing high-order energy supply, increase the scope of application of high-order energy supplying system, reduce cost and take up room;
7, at the output side joint inverter of rectifying and voltage-stabilizing module, can be the AC load that alternating current is used for other and needs high-order energy supply by the DC conversion that rectifying and voltage-stabilizing module exports, increase the scope of application of high-order energy supplying system, reduce cost and take up room.
Accompanying drawing explanation
Fig. 1 is high voltage electric and electronic device system construction drawing in actual applications;
The structure principle chart of the high voltage electric and electronic device high potential energy supplying system that Fig. 2 provides for the utility model;
Fig. 3 is the shape assumption diagram of Fig. 2 medium-high frequency isolating transformer;
Fig. 4 is the circuit theory diagrams of Fig. 2 medium-high frequency isolating transformer;
Fig. 5 is the structure principle chart of magnet ring.
Wherein 1-insulator, 2-grading ring, the cylindrical insulation crust of 3-, 4-metab, 5-outlet terminal, 6-center hole, 7-keeper, 8-insulation crust, the vertical supporting bracket of 9-.
Embodiment
In order to understand the utility model better, below in conjunction with Figure of description and example, content of the present utility model is described further.
The utility model provides a kind of high voltage electric and electronic device high potential energy supplying system, the structure of this system is as shown in Figure 2: mainly comprise frequency converter, high-frequency isolation transformer, high-tension cable, distributed magnet ring T1 ~ Tn (n is magnet ring number), rectifying and voltage-stabilizing module; DC voltage-stabilizing module mainly comprises semiconductor rectifier and voltage-stabilizing device.
Frequency converter is used power frequency AC to be converted to the high-frequency ac power of tens kHz in this structure, rear class uses classification high-frequency isolation transformer, by Energy transfer to high potential, transformer is used for isolated high voltage, transmit energy, by high-tension cable and distribution magnet ring, realize multiple way electric to export, by the n that connect rectifying and voltage-stabilizing module corresponding to distributed magnet ring T1 ~ Tn, the galvanic current pressure required for drive circuit of different potentials place high voltage electric and electronic device can be obtained, directly to its power supply.
The structure of high-frequency isolation transformer is as shown in Figure 3: transformer body is arranged in cylinder blanket, and enclosure material adopts insulating material, for isolated high-voltage, increases creepage distance; Civil power is inputted by the bottom of insulation crust, and export from two insulator ends at its top, bottom metal base plays fixed installation effect, and top metal ring plays all pressure effects; Insulator mainly plays two effects: provide anatomical connectivity, increases insulation distance.
The circuit theory diagrams of transformer body are as shown in Figure 4: transformer body is connected to form successively by stagewise transformer, uses equalizer circuit simultaneously, ensure that every grade of transformer withstand voltage value is impartial, effectively reduce volume of transformer.
In order to ensure that rectifying and voltage-stabilizing module output driving circuit normally works required voltage; Between the output and frequency converter of rectifying and voltage-stabilizing module, voltage feedback circuit is set; The output voltage of rectifying and voltage-stabilizing module is detected by voltage feedback circuit, when detecting output voltage higher or lower than required voltage, amount of correlated information is transferred to prime frequency converter, regulated the output effective value of self by frequency converter, thus the output voltage of rectifying and voltage-stabilizing module is adjusted to normal working voltage scope.
Magnet ring is fixed on high potential, adopts multiple magnet ring to realize multiple way electric and exports.The structural design of magnet ring as shown in Figure 5, mainly comprises vertical supporting bracket and insulation crust, and the center hole of high-tension cable threading is left at the middle part of insulation crust, and in insulation crust, concentricity installation magnet ring body, magnet ring body is wound with secondary coil; The side of vertical supporting bracket uses four location holes, can realize oneself's fixed installation of distributed magnet ring; Vertical supporting bracket top is provided with the outlet terminal of two secondary coils, is used for realizing convenient connection electric outlet; The top of insulation crust is plane, in order to place fixing rear class power module, has effectively saved space.
The utility model is except can giving the high-order energy supply of the drive circuit of high voltage electric and electronic device, can also at the output side joint inverter of rectifying and voltage-stabilizing module, by the alternating current that the DC conversion that rectifying and voltage-stabilizing module exports is different electric pressure, power to other AC load; Or DC/DC converter is set at the outlet side of rectifying and voltage-stabilizing module, DC conversion rectifying and voltage-stabilizing module exported is the direct current of other electric pressures, powers for giving other DC load; The applied widely of energy supplying system can be increased in this way, cost-saving, improve power supply reliability.
These are only embodiment of the present utility model, be not limited to the utility model, all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all applying within the right of the present utility model awaited the reply.
Claims (10)
1. a high voltage electric and electronic device high potential energy supplying system, comprises frequency converter, high-frequency isolation transformer, distributed magnet ring and rectifying and voltage-stabilizing module; It is characterized in that: the input termination power frequency AC of described frequency converter, it exports the input of high-frequency isolation transformer described in termination, the output of described high-frequency isolation transformer is connected with the input being fixed on described distributed magnet ring on high potential by high-tension cable, the output of described distributed magnet ring is connected with the input of described rectifying and voltage-stabilizing module, and the output of described rectifying and voltage-stabilizing module is connected with the drive circuit of described high voltage electric and electronic device.
2. a kind of high voltage electric and electronic device high potential energy supplying system as claimed in claim 1, is characterized in that: the output of described rectifying and voltage-stabilizing module is connected with described frequency converter by voltage feedback loop.
3. a kind of high voltage electric and electronic device high potential energy supplying system as claimed in claim 1, is characterized in that:
Described rectifying and voltage-stabilizing module comprises semiconductor rectifier and voltage-stabilizing device; Described semiconductor rectifier comprises the input be connected with the output of described distributed magnet ring and the output be connected with the input of described voltage-stabilizing device, and the output of described voltage-stabilizing device is connected with described drive circuit.
4. a kind of high voltage electric and electronic device high potential energy supplying system as claimed in claim 1, is characterized in that:
Described high-frequency isolation transformer comprises cylindrical insulation crust, the metab being arranged on described cylindrical insulation crust two ends respectively and grading ring, and is arranged on the transformer body in described cylindrical insulation crust; Described insulation crust top is provided with two insulators along the direction of its axis being parallel.
5. a kind of high voltage electric and electronic device high potential energy supplying system as claimed in claim 4, is characterized in that:
Described transformer body comprises the two-stage or the above transformer of two-stage that connect successively; Winding two ends of the first order transformer of the two-stage connected successively or the above transformer of two-stage are input, and the secondary winding two ends of afterbody transformer are output;
Every grade of transformer of described transformer body is provided with equalizer circuit, and described equalizer circuit comprises resistance in parallel and electric capacity; One end of described resistance is connected with the Same Name of Ends of transformer winding, and its other end is connected with the Same Name of Ends of secondary winding.
6. a kind of high voltage electric and electronic device high potential energy supplying system as claimed in claim 1, is characterized in that:
Described distributed magnet ring comprises two or more magnet rings;
Described magnet ring comprises in the middle part of vertical supporting bracket, fixing its vertical with described vertical supporting bracket and leaves the insulation crust of high-tension cable threading center hole and the concentricity magnet ring body be arranged in described insulation crust.
7. a kind of high voltage electric and electronic device high potential energy supplying system as claimed in claim 6, is characterized in that:
The bottom of described insulation crust is in the circular arc camber to lower convexity, and described vertical supporting bracket is rectangular slab, and the both sides of described vertical supporting bracket are respectively arranged with the hollow cylindrical keeper of axis and described center hole axes normal.
8. a kind of high voltage electric and electronic device high potential energy supplying system as claimed in claim 6, is characterized in that:
The top of described insulation crust is in the horizontal plane a little more than described vertical supporting bracket; Described vertical supporting bracket top is provided with two vertical outlet terminals.
9. a kind of high voltage electric and electronic device high potential energy supplying system as claimed in claim 1, is characterized in that:
The output of described voltage stabilizing rectification module is also connected with inverter, and the other end of described inverter is the output be connected with AC load.
10. a kind of high voltage electric and electronic device high potential energy supplying system as claimed in claim 1, is characterized in that:
The output of described voltage stabilizing rectification module is also connected with DC/DC converter, and the other end of described DC/DC converter is the output be connected with DC load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866234.XU CN204465364U (en) | 2014-12-29 | 2014-12-29 | A kind of high voltage electric and electronic device high potential energy supplying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420866234.XU CN204465364U (en) | 2014-12-29 | 2014-12-29 | A kind of high voltage electric and electronic device high potential energy supplying system |
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| CN204465364U true CN204465364U (en) | 2015-07-08 |
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| CN201420866234.XU Active CN204465364U (en) | 2014-12-29 | 2014-12-29 | A kind of high voltage electric and electronic device high potential energy supplying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811788A (en) * | 2014-12-29 | 2016-07-27 | 国家电网公司 | High potential energy supply system used for high voltage power electronic device |
| CN106487044A (en) * | 2015-08-26 | 2017-03-08 | 国网智能电网研究院 | A kind of hybrid integrated high-level energy supply method for high voltage DC breaker |
-
2014
- 2014-12-29 CN CN201420866234.XU patent/CN204465364U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811788A (en) * | 2014-12-29 | 2016-07-27 | 国家电网公司 | High potential energy supply system used for high voltage power electronic device |
| CN106487044A (en) * | 2015-08-26 | 2017-03-08 | 国网智能电网研究院 | A kind of hybrid integrated high-level energy supply method for high voltage DC breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: GLOBAL ENERGY INTERCONNECTION Research Institute Patentee after: State Grid Corporation of China Co-patentee after: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Co-patentee after: NORTH CHINA GRID Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: STATE GRID SMART GRID Research Institute Patentee before: State Grid Corporation of China Co-patentee before: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Co-patentee before: NORTH CHINA GRID Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170526 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: GLOBAL ENERGY INTERCONNECTION Research Institute Patentee after: State Grid Corporation of China Co-patentee after: NORTH CHINA GRID Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: GLOBAL ENERGY INTERCONNECTION Research Institute Patentee before: State Grid Corporation of China Co-patentee before: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Co-patentee before: NORTH CHINA GRID Co.,Ltd. |