CN204992572U - Modularization dc power distribution unit - Google Patents
Modularization dc power distribution unit Download PDFInfo
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- CN204992572U CN204992572U CN201520789680.XU CN201520789680U CN204992572U CN 204992572 U CN204992572 U CN 204992572U CN 201520789680 U CN201520789680 U CN 201520789680U CN 204992572 U CN204992572 U CN 204992572U
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- direct current
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Abstract
The utility model discloses a modularization dc power distribution unit, including the casing, the parallel is equipped with positive power amplifier board of direct current and the negative power amplifier board of direct current in the casing, positive power amplifier board of direct current and direct current burden power amplifier board pass through the interval support connnection, the positive power amplifier board's of direct current no. 1 serves and is equipped with positive power amplifier board terminal, positive power amplifier board terminal is anodal to DC power supply module's output through positive power line connection, direct current burden power amplifier board's no. 1 serves and is equipped with negative power amplifier board terminal, burden power amplifier board terminal passes through the output negative pole of negative work rate line connection to DC power supply module, be equipped with the positive power change over switch who is used for switching over positive power line on the positive power amplifier board of direct current, be equipped with the negative work rate change over switch who is used for switching negative work rate line on the direct current burden power amplifier board, be connected with on the positive power amplifier board of direct current and be used for controlling positive power change over switch and the control panel of negative work rate change over switch with the guaranteed output normal output. The utility model has the advantages of the port that charges extension is nimble, the convenience is safeguarded in the modularization installation, the configuration cost is low, system integration is high.
Description
Technical field
The utility model belongs to charging electric vehicle field, is specifically related to a kind of modularized dc power distributing unit.
Background technology
Along with China's electric automobile is more and more universal, people are more and more urgent to the demand of charging electric vehicle facility, and alternating-current charging pile and direct-current charging post arise at the historic moment.Wherein direct-current charging post because of its high voltage direct current charging rate very fast, large-scale charging station and Public Parking application more universal.The main flow equipment manufacturer of current direct-current charging post, the combining form of (PCC) power and charging terminal is divided into discrete charging pile and integral type charging pile, and its common essential characteristic is, an a (PCC) power only corresponding charging terminal.Like this, if the demand of the charging terminal of large-scale charging station and Public Parking is comparatively large, the (PCC) power needing respective numbers is just meaned.On the other hand, the probability of all charging terminals full power charging is simultaneously extremely low, result in (PCC) power utilance lower, and electrically-charging equipment investment is large and period of cost recovery lengthens, and does not possess economic serviceability.
In current industry, the ripe scheme of head it off has two kinds: one adopts multiple high-power high voltage direct current relay, multiple combination switching is carried out to (PCC) power, make outlet terminal power adjustable to a certain extent, this scheme improves the utilance of (PCC) power to a certain extent, but still there is no sufficient flexibility ratio, cost remains high simultaneously, is difficult to meet economy; Another kind of for adopting all-in-onecase, the inner switch that adopts combines, and the quantity of input power line and output power line is determined, this scheme is not easy to the flexible expansion of on-the-spot charging port, and all-in-onecase is installed very complicated, and on-site maintenance is very complicated.
Utility model content
The purpose of this utility model is to provide a kind of modularized dc power distributing unit, to overcome the defect that above-mentioned prior art exists, the utility model has the advantage that charging terminal expansion is flexible, modularization is installed, on-site maintenance is convenient, deployment cost is low, level of integrated system is high.
For achieving the above object, the utility model adopts following technical scheme:
A kind of modularized dc power distributing unit, comprise casing, parallelly in casing be provided with direct current positive plate and direct current negative power plate, described direct current positive plate is connected by spacer with direct current negative power plate, one end of direct current positive plate is provided with positive plate terminal, positive plate terminal is connected to the output cathode of DC power supplier by positive line, one end of direct current negative power plate is provided with negative power plate terminal, negative power plate terminal is connected to the output negative pole of DC power supplier by negative power line, direct current positive plate is provided with the positive diverter switch for switching positive line, direct current negative power plate is provided with the negative power diverter switch for switching negative power line, direct current positive plate is connected with the control board normally exported with guaranteed output for controlling positive diverter switch and negative power diverter switch.
Further, positive plate terminal is at least connected with two positive lines, described positive line is connected to the output cathode of different DC power supplier.
Further, described positive diverter switch is at least two.
Further, negative power plate terminal is at least connected with two negative power lines, described negative power line is connected to the output negative pole of different DC power supplier.
Further, described negative power diverter switch is at least two.
Further, direct current negative power plate is provided with the current detecting part for detecting output current size.
Further, negative power line is integrated with for ensureing the protective tube that circuit safety runs.
Compared with prior art, the utility model has following useful technique effect:
The utility model, by the thinking of modularized design, by the positive line of at least two separate high pressure DC power supplier and negative power line, adopts positive diverter switch and negative power diverter switch to combine respectively, and then carries out direct current power and always export.Modularized dc power distributing unit, produces and in-site installation can carry out by mass, has consistency.During in-site installation can directly plug-in mounting to system power cashier's office in a shop, under the prerequisite that direct current power module number is certain, need several charging terminal, just increase several direct current power allocation units; And later maintenance only need change out of order direct current power allocation units, and do not affect the use of other direct current power allocation units, have very large facilitation to the mass application of DC charging facility.
Accompanying drawing explanation
Fig. 1 is structure of the present utility model composition schematic diagram;
Fig. 2 is effect schematic diagram of the present utility model;
Fig. 3 is principle schematic of the present utility model.
Wherein, 1, positive plate terminal; 2, casing; 3, direct current negative power plate; 4, direct current positive plate; 5, positive diverter switch; 6, control board; 7, panel; 8, negative power plate terminal; 9, DC power supplier; 10, direct current power allocation units.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
See Fig. 2, a kind of modularized dc power distributing unit, it is characterized in that, comprise casing 2, parallelly in casing 2 be provided with direct current positive plate 4 and direct current negative power plate 3, described direct current positive plate 4 is connected by spacer with direct current negative power plate 3, one end of direct current positive plate 4 is provided with positive plate terminal 1, positive plate terminal 1 is connected to the output cathode of DC power supplier 9 by positive line, wherein, positive plate terminal 1 is at least connected with two positive lines, described positive line is connected to the output cathode of different DC power supplier 9; One end of direct current negative power plate 3 is provided with negative power plate terminal 8, negative power plate terminal 8 is connected to the output negative pole of DC power supplier 9 by negative power line, wherein, negative power plate terminal 8 is at least connected with two negative power lines, described negative power line is connected to the output negative pole of different DC power supplier 9; Direct current positive plate 4 is provided with at least two for switching the positive diverter switch 5 of positive line, direct current negative power plate 3 is provided with at least two for switching the negative power diverter switch of negative power line, direct current positive plate 4 is connected with the control board 6 normally exported with guaranteed output for controlling positive diverter switch 5 and negative power diverter switch.
Positive plate terminal 1 and negative power plate terminal 8 are as the external interface of modularized dc power distributing unit, and the positive power terminal of multiple module and negative power terminal, can be plugged on the System Backplane of Fig. 2, realizes power configuration flexibly; When the output branch road of multiple modularized dc power distributing unit to multiple DC power supplier combines, every road input power line parallel of multiple direct current power allocation units together, output power line is then independently, often organizes an independently output power line then corresponding charging terminal; Inner at direct current power allocation units, direct current positive plate 4 carries out the switching of multichannel input direct-current positive, and direct current negative power plate 3 carries out the switching of multichannel input direct-current negative power;
The positive and negative power line of multiple direct current and holding wire, be integrated in plug type connector (in pairs, male and female connector), direct current power allocation units installed male socket connector, the female plug connected on backboard can be plugged in, realize modularization and install; Direct current positive plate 4 and direct current negative power plate 3 complete the sync of one group of independent direct current positive line and negative power line respectively in pairs, ensure that the positive negative wire of each independently DC power supplier 9 is operated by modular power allocation units simultaneously;
Positive diverter switch 5 adopts electronic switch and universal power relay to carry out topological sum logical combination, realizes the function switching positive high voltage direct current power line without electric arc; Negative power diverter switch only adopts universal power relay to switch, and under realizing the prerequisite switched without electric arc, switches negative high voltage direct current power line at above-mentioned direct current positive plate; Described electronic switch comprises the full-control type power switchs such as IGBT, MOSFET, IGCT, and described common power relay is then general AC type relay; Control board 6 there is at least one microcontroller, for completing logic switch and the state-detection of above-mentioned positive diverter switch 5 and negative power diverter switch, exporting with the normal combination of guaranteed output.
The utility model also comprises total current detecting part exported, be positioned on direct current negative power plate 3, the output that its detection signal detects this module as power distributing unit gathers size of current, outputs in system by this signal by signal port, also as the current detection signal of its application system; As this simplify system configuration, reduce system cost.Protective tube is integrated on negative power line, simplifies system configuration equally.
Below operating process of the present utility model is described in detail:
As illustrated in fig. 1 and 2, charging system, has two independent DC power supply modules 9 at least cashier's office in a shop, and at least two paired positive lines and at least two negative power lines, by the female female terminal on backboard, enter described modularized dc power distributing unit 10.Below with 10 DC power supplier 9 (each DC power supplier exports as 15KW), the charging system of 5 modularized dc power distributing unit 10 is example, to being described of implementation of the present utility model:
As shown in Figure 1, the output negative power line of the output positive line of 10 DC power supplier and 10 DC power supplier, is communicated to direct current positive plate 4 and direct current negative power plate 3 respectively by positive plate terminal 1 and negative power plate terminal 8; The direct current of 10 DC power supplier exports direct current that positive line is connected to 10 positive plate terminals, 1,10 DC Modules respectively and exports negative power line and be connected to 10 negative power plate terminals 8 respectively.
As shown in Figure 3, if the DC power supplier of 5 of 10 DC power supplier 9 needs to be exported by 1# modularized dc power distributing unit 10 in system; The power of other 5 DC power supplier 9 then distributes and all the other 4 modularized dc power distributing unit 10.Present detailed description 1# modularized dc power distributing unit carries out the execution mode of 5 DC power supplier power combination.
As 1# DC power supplier, 2# DC power supplier, 3# DC power supplier, 4# DC power supplier, 5# DC power supplier, then five positive diverter switch S1+, S2+, S3+, S4+, S5+ and five negative power diverter switch S1-, S2-, S3-, S4-, S5-close respectively sequentially, the positive of 5 DC power supplier and negative power are converged the most at last, and the direct current gross power as charging terminal exports.
Claims (7)
1. a modularized dc power distributing unit, it is characterized in that: comprise casing (2), parallelly in casing (2) be provided with direct current positive plate (4) and direct current negative power plate (3), described direct current positive plate (4) is connected by spacer with direct current negative power plate (3), one end of direct current positive plate (4) is provided with positive plate terminal (1), positive plate terminal (1) is connected to the output cathode of DC power supplier (9) by positive line, one end of direct current negative power plate (3) is provided with negative power plate terminal (8), negative power plate terminal (8) is connected to the output negative pole of DC power supplier (9) by negative power line, direct current positive plate (4) is provided with the positive diverter switch (5) for switching positive line, direct current negative power plate (3) is provided with the negative power diverter switch for switching negative power line, direct current positive plate (4) is connected with the control board (6) normally exported with guaranteed output for controlling positive diverter switch (5) and negative power diverter switch.
2. a kind of modularized dc power distributing unit according to claim 1, it is characterized in that, positive plate terminal (1) is at least connected with two positive lines, described positive line is connected to the output cathode of different DC power supplier (9).
3. a kind of modularized dc power distributing unit according to claim 2, is characterized in that, described positive diverter switch (5) is at least two.
4. a kind of modularized dc power distributing unit according to claim 1, it is characterized in that, negative power plate terminal (8) is at least connected with two negative power lines, described negative power line is connected to the output negative pole of different DC power supplier (9).
5. a kind of modularized dc power distributing unit according to claim 4, is characterized in that, described negative power diverter switch is at least two.
6. a kind of modularized dc power distributing unit according to claim 1, is characterized in that, direct current negative power plate (3) is provided with the current detecting part for detecting output current size.
7. a kind of modularized dc power distributing unit according to claim 1, is characterized in that, negative power line is integrated with for ensureing the protective tube that circuit safety runs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789680.XU CN204992572U (en) | 2015-10-12 | 2015-10-12 | Modularization dc power distribution unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789680.XU CN204992572U (en) | 2015-10-12 | 2015-10-12 | Modularization dc power distribution unit |
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| CN204992572U true CN204992572U (en) | 2016-01-20 |
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| CN201520789680.XU Active CN204992572U (en) | 2015-10-12 | 2015-10-12 | Modularization dc power distribution unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953516A (en) * | 2017-04-01 | 2017-07-14 | 西安特锐德智能充电科技有限公司 | A kind of modularization bidirectional, dc power distributing unit |
| CN113326883A (en) * | 2021-06-03 | 2021-08-31 | 中创三优（北京）科技有限公司 | Training method, device and medium for power utilization rate prediction model of charging station |
-
2015
- 2015-10-12 CN CN201520789680.XU patent/CN204992572U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953516A (en) * | 2017-04-01 | 2017-07-14 | 西安特锐德智能充电科技有限公司 | A kind of modularization bidirectional, dc power distributing unit |
| CN106953516B (en) * | 2017-04-01 | 2024-04-19 | 西安特来电智能充电科技有限公司 | Modularized bidirectional direct current power distribution unit |
| CN113326883A (en) * | 2021-06-03 | 2021-08-31 | 中创三优（北京）科技有限公司 | Training method, device and medium for power utilization rate prediction model of charging station |
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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: No. e206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee after: Xi'an Telai Intelligent Charging Technology Co.,Ltd. Address before: No. e206-2, R & D building, building e, HUanpu science and Technology Industrial Park, 211 tianguba Road, high tech Zone, Xi'an City, Shaanxi Province, 710077 Patentee before: XI'AN TGOOD INTELLIGENT CHARGING TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |