CN204118830U - Charging pile - Google Patents
Charging pile Download PDFInfo
- Publication number
- CN204118830U CN204118830U CN201420407017.4U CN201420407017U CN204118830U CN 204118830 U CN204118830 U CN 204118830U CN 201420407017 U CN201420407017 U CN 201420407017U CN 204118830 U CN204118830 U CN 204118830U
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- China
- Prior art keywords
- phase
- circuit
- charging pile
- harmonic
- inductance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000001629 suppression Effects 0.000 claims abstract description 23
- 241000272470 Circus Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of charging pile, employing three phase network is powered, this charging pile comprises a cabinet, this charging pile also comprises three-phase bridge rectifier circuit, the output of every phase of this three phase network accesses between the upper bridge arm circuit of this phase and lower bridge arm circuit, and the output of every phase by one for the harmonic suppression circuit ground connection of harmonic carcellation, those harmonic suppression circuits and this three-phase bridge rectifier circuit are all arranged in this cabinet.The utility model can effectively harmonic inhabitation, reduce production cost and additionally not taking up room.
Description
Technical field
The utility model relates to a kind of charging pile, particularly a kind of charging pile with harmonic restraining function.
Background technology
Electric automobile is as the wide green traffic instrument of a kind of development prospect, and spreading speed from now on can be abnormal swift and violent, and following market prospects are also abnormal huge.Under global energy crisis and the serious overall background of environmental crisis; the Chinese government actively pushes forward the application & development of new-energy automobile; fill/electrical changing station as the necessary important supporting infrastructure of Development of EV, there is very important Social benefit and economic benefit.Construction electric automobile fills/and the motion of electrical changing station launches in China.
Charging pile is that electric automobile fills the/important component part of electrical changing station, charging pile can be divided into direct-current charging post, alternating-current charging pile and AC/DC integrated charge pile, direct-current charging post and AC/DC integrated charge pile are applicable to quick charge, thus along with the development of electric automobile is with universal, direct-current charging post and AC/DC integrated charge pile will rapidly increase, but they can produce a large amount of harmonic wave, thus reduce the quality of power supply of electrical network, affect the safety utilization of electric power of other power consumers.
Utility model content
The technical problems to be solved in the utility model can produce a large amount of harmonic wave to overcome charging pile in prior art, and utilizing general filter harmonic carcellation will cause increasing production cost the defect taken up room, the utility model provides that a kind of have can effectively harmonic inhabitation, minimizing production cost and the charging pile that additionally do not take up room.
The utility model solves above-mentioned technical problem by following technical proposals:
The utility model provides a kind of charging pile, employing three phase network is powered, this charging pile comprises a cabinet, its feature is, this charging pile also comprises three-phase bridge rectifier circuit, the output of every phase of this three phase network accesses between the upper bridge arm circuit of this phase and lower bridge arm circuit, and the output of every phase by one for the harmonic suppression circuit ground connection of harmonic carcellation, those harmonic suppression circuits and this three-phase bridge rectifier circuit are all arranged in this cabinet.
In this programme, the harmonic wave in circuit effectively can be eliminated by harmonic suppression circuit, and harmonic suppression circuit is arranged in the cabinet of charging pile, without the need to taking certain space extraly as active filter or passive filter, in addition harmonic suppression circuit is integrated in charging pile, integrated level is high, is conducive to reducing production cost.
Preferably, this harmonic suppression circuit comprises an inductance and an electric capacity, this inductance and this capacitances in series.
Preferably, this charging pile also comprises a fuse, and this fuse is connected with this inductance, and fuse refers to when in circuit, electric current exceedes setting, and with the heat that itself produces, melt is fused, a kind of electrical equipment of open circuit, has circuit protection effect.
Preferably, the inductance value of this inductance is 2.57mh, the capacitance of this electric capacity is 92.2 μ f, because AC mainly produces 5 times and 7 subharmonic, so the inductance parameters of inductance is set to 2.57mh and the capacitance parameter of electric capacity is set to 5 times and 7 subharmonic that 92.2 μ f can eliminate AC generation well.
Preferably, this charging pile is direct-current charging post or AC/DC integrated charge pile.Direct-current charging post or AC/DC integrated charge pile are applicable to quick charge, can produce a large amount of harmonic waves, so harmonic suppression circuit mainly eliminates the harmonic wave produced in direct-current charging post or AC/DC integrated charge pile.
Positive progressive effect of the present utility model is:
Charging pile of the present utility model, all sets up a harmonic suppression circuit at the output of every phase of three phase network, effectively can suppress the harmonic wave in circuit, reduces the production cost of charging pile and additionally do not take up room.
Accompanying drawing explanation
Fig. 1 is the partial circuit figure of the charging pile of the utility model preferred embodiment.
Embodiment
Mode below by embodiment further illustrates the utility model, but is not therefore limited among described scope of embodiments by the utility model.
As shown in Figure 1, a kind of charging pile is embodiments provides at the utility model, this charging pile is direct-current charging post or AC/DC integrated charge pile, employing three phase network is powered, this charging pile comprises a cabinet (not shown), three-phase bridge rectifier circuit 1 and three harmonic suppression circuits, these three harmonic suppression circuits are respectively first harmonic and suppress circuit 2, second harmonic to suppress circuit 3 and third harmonic to suppress circuit 4, and the function of these three harmonic suppression circuits is all eliminate the harmonic wave in circuit.
Wherein, between the upper bridge arm circuit of the A phase of the voltage output end access three-phase bridge rectifier circuit 1 of the A phase of three phase network and lower bridge arm circuit, and the voltage output end of A phase suppresses circuit 2 ground connection by this first harmonic; Between the upper bridge arm circuit of the B phase of the voltage output end access three-phase bridge rectifier circuit 1 of the B phase of three phase network and lower bridge arm circuit, and the voltage output end of B phase suppresses circuit 3 ground connection by this second harmonic; Between the upper bridge arm circuit of the C phase of the voltage output end access three-phase bridge rectifier circuit 1 of the C phase of three phase network and lower bridge arm circuit, and the voltage output end of C phase suppresses circuit 4 ground connection by this third harmonic.
And this three-phase bridge rectifier circuit 1, first harmonic suppress circuit 2, second harmonic to suppress circuit 3 and third harmonic to suppress circuit 4 to be all arranged in this cabinet.First harmonic suppresses circuit 2, second harmonic to suppress circuit 3 and third harmonic to suppress circuit 4 to include an inductance L and an electric capacity C, and this inductance L and this electric capacity C connect.
Because AC mainly produces 5 times and 7 subharmonic, so suppressed by first harmonic circuit 2, second harmonic to suppress circuit 3 and third harmonic to suppress the inductance parameters of the inductance L in circuit 4 to be all set to 2.57mh and suppressed by first harmonic circuit 2, second harmonic to suppress the capacitance parameter of the electric capacity C in circuit 3 and third harmonic suppression circuit 4 to be all set to 5 times and 7 subharmonic that 92.2 μ f can eliminate AC generation well.
In addition, this charging pile also comprises three fuses, be respectively the first fuse 5, second fuse 6 and the 3rd fuse 7, this first fuse 5 and this first harmonic suppress circuit 2 to be connected, this second fuse 6 and this second harmonic suppress circuit 3 to be connected, and the 3rd fuse 7 and this third harmonic suppress circuit 4 to be connected.Fuse has circuit protection function, and when in the circuit at fuse place, electric current exceedes setting, the heat that fuse produces with itself makes melt fuse, and open circuit is with realizing circuit defencive function.
In addition, in Simple household charging pile, except AC system charging pile, the rectification circuit of straight flow charging pile is single phase bridge type rectifier circu, a phase such as B phase is only had to access between the upper bridge arm circuit of single phase bridge type rectifier circu and lower bridge arm circuit in three phase network, at this moment AC mainly produces 3 subharmonic, in order to eliminate this 3 subharmonic, the voltage output end of B phase passes through the harmonic suppression circuit ground connection of the present embodiment, and the inductance parameters of the inductance L in harmonic suppression circuit is set to 3.07mh and the capacitance parameter of the electric capacity C in harmonic suppression circuit is set to 92.2 μ f.
The present embodiment can eliminate the harmonic wave in circuit effectively by harmonic suppression circuit, and harmonic suppression circuit is arranged in the cabinet of charging pile, without the need to taking certain space extraly as active filter or passive filter, in addition harmonic suppression circuit is integrated in charging pile, integrated level is high, is conducive to reducing production cost.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection range of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection range of the present utility model.
Claims (5)
1. a charging pile, employing three phase network is powered, this charging pile comprises a cabinet, it is characterized in that, this charging pile also comprises three-phase bridge rectifier circuit, the output of every phase of this three phase network accesses between the upper bridge arm circuit of this phase and lower bridge arm circuit, and the output of every phase by one for the harmonic suppression circuit ground connection of harmonic carcellation, those harmonic suppression circuits and this three-phase bridge rectifier circuit are all arranged in this cabinet.
2. charging pile as claimed in claim 1, it is characterized in that, this harmonic suppression circuit comprises an inductance and an electric capacity, this inductance and this capacitances in series.
3. charging pile as claimed in claim 2, it is characterized in that, this charging pile also comprises a fuse, and this fuse is connected with this inductance.
4. charging pile as claimed in claim 2, it is characterized in that, the inductance value of this inductance is 2.57mh, and the capacitance of this electric capacity is 92.2 μ f.
5. charging pile as claimed in claim 1, it is characterized in that, this charging pile is direct-current charging post or AC/DC integrated charge pile.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420407017.4U CN204118830U (en) | 2014-07-22 | 2014-07-22 | Charging pile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420407017.4U CN204118830U (en) | 2014-07-22 | 2014-07-22 | Charging pile |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204118830U true CN204118830U (en) | 2015-01-21 |
Family
ID=52336110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420407017.4U Expired - Lifetime CN204118830U (en) | 2014-07-22 | 2014-07-22 | Charging pile |
Country Status (1)
Country | Link |
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CN (1) | CN204118830U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108674206A (en) * | 2018-04-02 | 2018-10-19 | 浙江工贸职业技术学院 | A kind of automobile charging pile |
-
2014
- 2014-07-22 CN CN201420407017.4U patent/CN204118830U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108674206A (en) * | 2018-04-02 | 2018-10-19 | 浙江工贸职业技术学院 | A kind of automobile charging pile |
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GR01 | Patent grant |