CN112563958A - A prepackage type transformer substation for filling electric pile power supply and distribution - Google Patents
A prepackage type transformer substation for filling electric pile power supply and distribution Download PDFInfo
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- CN112563958A CN112563958A CN202011476330.XA CN202011476330A CN112563958A CN 112563958 A CN112563958 A CN 112563958A CN 202011476330 A CN202011476330 A CN 202011476330A CN 112563958 A CN112563958 A CN 112563958A
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- 238000009826 distribution Methods 0.000 title claims abstract description 23
- 238000009413 insulation Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a prepackage type transformer substation for filling electric pile power distribution, includes the shell, the structure of shell is adjustable, its inside is provided with structure adjustable low pressure unit, transformer unit and high-voltage unit, the transformer unit respectively with low pressure unit, high-voltage unit connection, low pressure unit, transformer unit and high-voltage unit set up respectively in the independent space of difference on the shell, be equipped with low-voltage frame circuit breaker, low-voltage moulded case circuit breaker and low-voltage capacitance compensation arrangement in the low pressure unit, be equipped with computer protection device in the high-voltage unit. The prefabricated substation is specially used as a power supply and distribution power supply for the charging pile (electric vehicle charging equipment), and different power supply circuits can be adopted for products according to different requirements of terminal charging pile loads, so that the flexible application in charging places is greatly reflected, the power supply use of the charging pile is completely met, and the prefabricated substation has the characteristics of compact and reasonable structure, good stability, no maintenance and high integration level.
Description
Technical Field
The invention relates to a prefabricated substation, in particular to a prefabricated substation for power supply and distribution of a charging pile.
Background
The charging pile is a full-name charging pile for electric vehicles, has the function similar to that of an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential area parking lots or charging stations, and can charge various types of electric vehicles according to different voltage levels. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile. The existing charging pile is incomplete in protection function, easy to cause safety accidents and large in occupied space.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to provide a prefabricated substation for power supply and distribution of a charging pile, which has the advantages of compact and reasonable structure, good stability, no maintenance, high integration level, perfect protection function and small occupied space, and overcomes the defects in the prior art.
A prepackage type transformer substation for filling electric pile power distribution who designs according to this purpose, including the shell, its characterized in that: the structure of shell is adjustable, its inside is provided with structure adjustable low pressure unit, transformer unit and high-pressure unit, the transformer unit is connected with low pressure unit, high-pressure unit respectively, and low pressure unit, transformer unit and high-pressure unit set up respectively in the independent space of difference on the shell, are equipped with low-voltage frame circuit breaker, low-voltage moulded case circuit breaker and low-voltage capacitance compensation arrangement in the low pressure unit, are equipped with the computer protection device in the high-pressure unit.
The inside of shell is separated, is formed a plurality of independent space through median septum, and independent space is "mesh" style of calligraphy or "article" style of calligraphy and arranges.
The low-voltage unit comprises a GGD low-voltage fixed cabinet, and the low-voltage frame circuit breaker, the low-voltage molded case circuit breaker and the low-voltage capacitance compensation device are arranged in the cabinet body of the low-voltage fixed cabinet.
The transformer unit is a dry-type distribution transformer.
The high-voltage unit comprises a high-voltage insulation cabinet, and a load switch, a circuit breaker and a microcomputer protection device are arranged in a cabinet body of the high-voltage insulation cabinet.
SF6 gas is filled in the cabinet body of the high-voltage insulation cabinet.
And an automatic delay reclosing device is arranged in the shell.
The shell is assembled by a color zinc steel plate composite plate.
The prefabricated substation is specially used as a power supply and distribution power supply for the charging pile (electric vehicle charging equipment), and different power supply circuits can be adopted for products according to different requirements of the terminal charging pile load, so that the flexible application in charging places is greatly reflected, and the power supply use of the charging pile is completely met. The shell can be according to the environmental characteristics overall arrangement design in place of charging, abundant rational utilization space, high-pressure unit chooses for use high-quality brand SF6 full insulated cabinets (load switch + circuit breaker combination), low-voltage unit chooses for use high-quality brand circuit breaker to do the protection, the power supply is reliable and stable, adopt distribution transformer, the rational selection capacity, the temperature rise margin, additional loss etc., can real-time collection system each item operational parameter state and in time convey the host computer group and realize the remote monitoring, the shell can be according to the environmental characteristics overall arrangement design in place of charging, abundant rational utilization space, the shell is various zinc steel sheet composite sheet materials, adopt special technology preparation, guarantee the protection level and do not influence the heat dissipation, it has compact size reasonable, non-maintaining, excellent performance, good characteristics of.
Drawings
Fig. 1 to fig. 3 are schematic diagrams of internal structures of a preassembled transformer substation in different orientations according to an embodiment of the present invention.
Fig. 4 is a schematic circuit diagram of a preassembled transformer substation according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1-4, the preassembled transformer substation for charging pile power supply and distribution comprises a shell 4, wherein the structure of the shell 4 is adjustable, a low-voltage unit 1, a transformer unit 2 and a high-voltage unit 3 with adjustable structures are arranged in the shell 4, the transformer unit 2 is respectively connected with the low-voltage unit 1 and the high-voltage unit 3, the low-voltage unit 1, the transformer unit 2 and the high-voltage unit 3 are respectively arranged in different independent spaces a on the shell 4, a low-voltage frame circuit breaker 7, a low-voltage plastic-shell circuit breaker 8 (charging pile power supply loop) and a low-voltage capacitance compensation device 9(240Kvar) are arranged in the low-voltage unit 1, and a microcomputer protection device 5. The low-voltage unit 1, the transformer unit 2 and the high-voltage unit 3 are independent complete equipment, so that the high-voltage charging station is convenient to disassemble and transport, and is favorable for maintenance, installation and debugging of the charging station. The low-voltage unit 1 is provided with a low-voltage frame circuit breaker 7 and a low-voltage molded case circuit breaker 8, so that the protection functions of overcurrent, quick break, grounding, voltage loss, temperature and the like can be realized, the low-voltage unit 1 is provided with a low-voltage capacitance compensation device 9, the electric energy efficiency quality of the transformer can be improved, and the high-voltage unit 3 is provided with a microcomputer protection device 5, so that the voltage and current protection, measurement and control of the system can be realized, and the protection function of the prefabricated substation is.
The inside of the shell 4 is separated by a middle partition plate 10 to form a plurality of independent spaces a which are arranged in a shape of 'mesh' or 'pin'. The shell 4 can use the space design according to the place of charging of different operations, can arrange low voltage unit 1, transformer unit 2, high voltage unit 3 according to "mesh" style of calligraphy or "article" style of calligraphy or other shapes, make full use of place of charging actual space, and this embodiment is arranged according to "mesh" style of calligraphy, and transformer unit 2 is under the prerequisite of guaranteeing the performance parameter, according to the size adjustment structure of shell 4, and low voltage unit 1, high voltage unit 3 can cooperate the special size design of shell 4.
The low-voltage unit 1 comprises a GGD low-voltage fixed cabinet 11, and a low-voltage frame circuit breaker 7, a low-voltage molded case circuit breaker 8 and a low-voltage capacitance compensation device 9 are arranged in a cabinet body of the low-voltage fixed cabinet 11. The elements in the low-voltage fixed cabinet 11 are made of products with known brands at home and abroad, and the spatial layout can be reasonably utilized, so that the operation and the maintenance operation of the elements are facilitated.
The transformer unit 2 is an SCB dry distribution transformer. The whole system adopts a low-loss distribution transformer, is matched with the combination of low-voltage filter capacitor and reactance, improves the power supply efficiency, improves the power supply environment for the load of the charging pile, and can further enlarge the system capacity according to the expansion of the load by a power supply loop.
The high-voltage unit 3 comprises a high-voltage insulation cabinet 6, and a load switch, a circuit breaker and a microcomputer protection device 5 are arranged in a cabinet body of the high-voltage insulation cabinet 6; SF6 gas is filled in the cabinet body of the high-voltage insulation cabinet 6. The high-voltage unit 3 adopts an SF6 full-insulation cabinet (a combination of a load switch and a circuit breaker) to be matched with the microcomputer protection device 5, so that the power supply is stable and reliable, and the whole structure is compact.
An automatic delay reclosing device 12 is arranged inside the shell 4, the automatic delay reclosing device 12 is electrically connected with the low-voltage molded case circuit breaker 8, and when the system is subjected to voltage loss protection tripping, the product can realize automatic reclosing after the voltage of the system is delayed and is waited to be stable.
The prefabricated substation is also provided with perfect remote monitoring and protection functions, is provided with transformer coil high-temperature and over-temperature protection and iron core temperature detection, and can provide analog quantity or bus communication output functions.
The shell 4 is assembled by the color zinc steel plate composite board, so that the shell 4 has the characteristics of high dimensional adaptability and compactness.
This prepackage type transformer substation is for filling the prepackage type transformer substation of the special power supply system of electric pile, and the system adopts 1 SCB dry-type transformer to constitute the power supply and distribution, and system installation total capacity is 800KVA, and prepackage type transformer substation is according to the space size in place of charging, and the overall system size of rational design is as a power supply complete sets direct mount at the station assembling process that charges, effectively shortens the station installation mode cycle that charges, can independently come out supporting design production with filling the special prepackage type transformer substation of electric pile.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A prepackage type transformer substation for filling electric pile power distribution, includes shell (4), its characterized in that: the structure of shell (4) is adjustable, its inside is provided with structure adjustable low pressure unit (1), transformer unit (2) and high-voltage unit (3), transformer unit (2) are connected with low pressure unit (1), high-voltage unit (3) respectively, and low pressure unit (1), transformer unit (2) and high-voltage unit (3) set up respectively in independent space (a) of difference on shell (4), are equipped with low pressure frame circuit breaker (7), low pressure moulded case circuit breaker (8) and low pressure capacitance compensation arrangement (9) in low pressure unit (1), are equipped with computer protection device (5) in high-voltage unit (3).
2. The pre-assembled substation for charging pile power distribution according to claim 1, characterized in that: the interior of the shell (4) is separated by a middle partition plate (10) to form a plurality of independent spaces (a), and the independent spaces (a) are arranged in a shape like a Chinese character 'mu' or a 'pin'.
3. The pre-assembled substation for charging pile power distribution according to claim 2, characterized in that: the low-voltage unit (1) comprises a GGD low-voltage fixed cabinet (11), and a low-voltage frame circuit breaker (7), a low-voltage molded case circuit breaker (8) and a low-voltage capacitance compensation device (9) are arranged in a cabinet body of the low-voltage fixed cabinet (11).
4. The pre-assembled substation for charging pile power distribution according to claim 3, characterized in that: the transformer unit (2) is a dry-type distribution transformer.
5. The pre-assembled substation for charging pile power distribution according to claim 4, characterized in that: the high-voltage unit (3) comprises a high-voltage insulation cabinet (6), and a load switch, a circuit breaker and a microcomputer protection device (5) are arranged in the cabinet body of the high-voltage insulation cabinet (6).
6. The pre-assembled substation for charging pile power distribution according to claim 5, characterized in that: SF6 gas is filled in the cabinet body of the high-voltage insulation cabinet (6).
7. The pre-assembled substation for charging pile power distribution according to claim 6, characterized in that: an automatic time-delay reclosing device (12) is arranged in the shell (4).
8. The pre-assembled substation for charging pile power distribution according to any one of claims 1-7, characterized in that: the shell (4) is assembled by a color zinc steel plate composite plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476330.XA CN112563958A (en) | 2020-12-15 | 2020-12-15 | A prepackage type transformer substation for filling electric pile power supply and distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476330.XA CN112563958A (en) | 2020-12-15 | 2020-12-15 | A prepackage type transformer substation for filling electric pile power supply and distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112563958A true CN112563958A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011476330.XA Pending CN112563958A (en) | 2020-12-15 | 2020-12-15 | A prepackage type transformer substation for filling electric pile power supply and distribution |
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| Country | Link |
|---|---|
| CN (1) | CN112563958A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202616640U (en) * | 2012-05-30 | 2012-12-19 | 云南联方电气有限公司 | Box type transformer station |
| CN207518086U (en) * | 2017-11-15 | 2018-06-19 | 易霸科技(威海)股份有限公司 | A kind of knockdown change power distribution equipment |
| CN207782258U (en) * | 2017-12-18 | 2018-08-28 | 江西环林集团股份有限公司 | Photovoltaic generation Special high-low presses integrated prepackage type transformer station |
| CN209119659U (en) * | 2018-11-30 | 2019-07-16 | 江苏宏源电气有限责任公司 | Beauty becomes substituted type preassembled transformer station |
| CN110336194A (en) * | 2019-07-05 | 2019-10-15 | 海鸿电气有限公司 | Low-voltage cabinet and miniaturization preassembled transformer station |
| CN210404518U (en) * | 2019-08-23 | 2020-04-24 | 海鸿电气有限公司 | An assembled prefabricated substation |
-
2020
- 2020-12-15 CN CN202011476330.XA patent/CN112563958A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202616640U (en) * | 2012-05-30 | 2012-12-19 | 云南联方电气有限公司 | Box type transformer station |
| CN207518086U (en) * | 2017-11-15 | 2018-06-19 | 易霸科技(威海)股份有限公司 | A kind of knockdown change power distribution equipment |
| CN207782258U (en) * | 2017-12-18 | 2018-08-28 | 江西环林集团股份有限公司 | Photovoltaic generation Special high-low presses integrated prepackage type transformer station |
| CN209119659U (en) * | 2018-11-30 | 2019-07-16 | 江苏宏源电气有限责任公司 | Beauty becomes substituted type preassembled transformer station |
| CN110336194A (en) * | 2019-07-05 | 2019-10-15 | 海鸿电气有限公司 | Low-voltage cabinet and miniaturization preassembled transformer station |
| CN210404518U (en) * | 2019-08-23 | 2020-04-24 | 海鸿电气有限公司 | An assembled prefabricated substation |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210326 |
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| RJ01 | Rejection of invention patent application after publication |