CN208638063U - Electric automobile charging pile BMS power supply circuit and dual power supply switching circuit - Google Patents
Electric automobile charging pile BMS power supply circuit and dual power supply switching circuit Download PDFInfo
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- CN208638063U CN208638063U CN201821289801.4U CN201821289801U CN208638063U CN 208638063 U CN208638063 U CN 208638063U CN 201821289801 U CN201821289801 U CN 201821289801U CN 208638063 U CN208638063 U CN 208638063U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
Electric automobile charging pile BMS power supply circuit and dual power supply switching circuit；The dual power supply switching circuit includes double loop power supply (100), which has first voltage output interface (110) and second voltage output interface (120)；Dual power supply switching circuit further includes relay (KA), which has normally opened contact (S1), the first normally-closed contact (S2) and the second normally-closed contact (S3)；The anode of first voltage output interface (110) cooperates with the cathode of second voltage output interface (120), to be used to connect and be constituted circuit with load (200), to give load (200) power supply.The electric automobile charging pile BMS power supply circuit and dual power supply switching circuit of the utility model, had not only saved charging pile cost and inner space, but also reduced the reactive loss and idling consumption of charging pile, and charging pile system is made to have more good compatibility and practicability.
Description
Technical field
The utility model relates to charging pile field more particularly to a kind of electric automobile charging pile BMS power supply circuits and double electricity
Source switching circuit.
Background technique
In existing electric automobile charging pile BMS power supply circuit, usually there is dual power supply switching circuit, generally use 1
Only independent 12V power supply and 1 independent 24V power supply switch the output of two power supplys using a relay, if electronic vapour
Vehicle demand 12V power supply, just makes 12V power supply devote oneself to work, 24V power supply then leaves unused；If electric car demand 24V power supply, just makes
24V power supply is devoted oneself to work, and 12V power supply is idle.Existing this dual power supply switching circuit wastes structure space, reduces space
Utilization rate increases cost；Idling consumption and reactive loss are improved, power factor (PF) when system operation is reduced；This
Outside, existing this dual power supply switching circuit because number of power sources it is more, fault point increases, and causes maintenance inconvenient.
Utility model content
The purpose of this utility model is in view of the above technical problems, to propose a kind of novel electric vehicle charging pile BMS power supply
Circuit and dual power supply switching circuit.
The technical scheme in the invention for solving the technical problem is:
The utility model proposes a kind of dual power supply switching circuit, including 1 double loop power supply, which has first
Voltage output interface and second voltage output interface；First voltage output interface and second voltage output interface are having the same defeated
Voltage out；Dual power supply switching circuit further includes 1 relay, which has normally opened contact, the first normally-closed contact and second
Normally-closed contact；
Wherein, one end of normally opened contact is connect with the cathode of first voltage output interface, the other end of normally opened contact and
The anode connection of two voltage output interfaces；
One end of first normally-closed contact is connect with the cathode of first voltage output interface, the other end of the first normally-closed contact with
The cathode of second voltage output interface connects；
The anode of one end of second normally-closed contact and first voltage output interface connect, the other end of the second normally-closed contact and
The anode connection of second voltage output interface；
The anode of first voltage output interface cooperates with the cathode of second voltage output interface, to be used for load connection simultaneously
Circuit is constituted, with powering load.
In the above-mentioned dual power supply switching circuit of the utility model, first voltage output interface and second voltage output interface
Output voltage is 12V.
In the above-mentioned dual power supply switching circuit of the utility model, first voltage output interface and second voltage output interface
Output voltage is 5V.
The utility model proposes a kind of electric automobile charging pile BMS power supply circuits, including dual power supply as described above to cut
Change circuit.
The electric automobile charging pile BMS power supply circuit and dual power supply switching circuit of the utility model, using single 12V two-way
Power supply realizes the intelligence switching of 12V and 24V power supply, had not only saved charging pile cost and inner space, but also reduce charging pile
Reactive loss and idling consumption make charging pile system have more good compatibility and practicability.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 shows the circuit diagram of the dual power supply switching circuit of the utility model；
Fig. 2 shows the circuit diagrams of the first embodiment of dual power supply switching circuit shown in FIG. 1；
Fig. 3 shows the circuit diagram of the second embodiment of dual power supply switching circuit shown in FIG. 1.
Specific embodiment
The technical problem to be solved by the utility model is to existing dual power supply switching circuit is using relay to different electricity
Two independent current sources of pressure switch over, and realize the output of two kinds of different voltage, and this structure wastes structure space, reduce
Space utilization rate, increases cost；Improve idling consumption and reactive loss, reduce system operation when power because
Element；In addition, existing this dual power supply switching circuit, because number of power sources is more, fault point increases, cause maintenance inconvenient.This is practical new
The technical thought that type is proposed with regard to the technical problem is: a kind of dual power supply switching circuit is constructed, by setting to relay circuit
Meter, enables the two-way output interface of double loop power supply to be connected in series, also can be connected in parallel, and can be in both connection sides
It is switched between formula, in this way, equally realizing the output of two kinds of different voltage.Compared with the prior art, power supply is saved
Use.
In order to keep the technical purpose, technical solution and technical effect of the utility model apparent, in order to this field
Technical staff understands and implements the utility model, does further in detail to the utility model below in conjunction with the accompanying drawings and the specific embodiments
Thin explanation.
First embodiment
As shown in Figure 1, Fig. 1 shows the circuit diagram of the dual power supply switching circuit of the utility model.The dual power supply is cut
Changing circuit includes double loop power supply 100, which has first voltage output interface 110 and second voltage output interface 120；
First voltage output interface 110 and the output voltage having the same of second voltage output interface 120；Dual power supply switching circuit also wraps
Relay KA is included, relay KA has normally opened contact S1, the first normally-closed contact S2 and the second normally-closed contact S3；
Wherein, one end of normally opened contact S1 is connect with the cathode of first voltage output interface 110, and normally opened contact S1's is another
It holds and is connect with the anode of second voltage output interface 120；
One end of first normally-closed contact S2 is connect with the cathode of first voltage output interface 110, the first normally-closed contact S2's
The other end is connect with the cathode of second voltage output interface 120；
One end of second normally-closed contact S3 is connect with the anode of first voltage output interface 110, the second normally-closed contact S3's
The other end is connect with the anode of second voltage output interface 120；
In addition, the anode of first voltage output interface 110 and the cathode of second voltage output interface 120 cooperate with for
Load 200 connects and constitutes circuit, to give load 200 power supply.
When relay KA is powered on, normally opened contact S1 closure, the first normally-closed contact S2, the second normally-closed contact S3 are disconnected, the
One voltage output interface 110 and second voltage output interface 120 are connected, in this way, dual power supply switching circuit provides two to load 200
The voltage of times first voltage output interface 110 (or second voltage output interface 120) output voltage.
When relay KA power loss, normally opened contact S1 is disconnected, the first normally-closed contact S2, the second normally-closed contact S3 closure, the
One voltage output interface 110 and second voltage output interface 120 are in parallel, in this way, dual power supply switching circuit to load 200 provide with
The equal voltage of (or the second voltage output interface 120) output voltage of first voltage output interface 110.
In China, " GB/T 18487.1-2015 electric car conduction charging system " defines direct-current charging post BMS power supply
The output voltage of circuit is 12V, and the output voltage that direct-current charging post BMS power supply circuit is defined in corresponding old-national's mark is 24V,
In this way, in the market there have been the automobile of two kinds of difference BMS demand voltages of 12V and 24V, the charging for compatible two kinds of automobiles is needed
It asks, in the present embodiment, the output voltage of first voltage output interface 110 and second voltage output interface 120 is 12V, such as
Shown in Fig. 2.In this way, dual power supply switching circuit can export 24V voltage when relay KA is powered on；And work as relay KA power loss
When, dual power supply switching circuit can export 12V voltage.In addition, over time, when there is no use 24VBMS in the market
When the automobile of supply voltage, it is only necessary to remove relay circuit, dual power supply switching circuit can be made to be provided out two-way
12VBMS power supply.
The utility model also proposed a kind of electric automobile charging pile BMS power supply circuit comprising above-mentioned dual power supply switching
Circuit.
Second embodiment
It is appreciated that the structure of the dual power supply switching circuit of first embodiment can be not only used for electric automobile charging pile
BMS power supply circuit can also be applied to the charge power supply of other equipment (such as mobile phone, rechargeable battery).The difference of the two only exists
In: the output voltage of first voltage output interface 110 (or second voltage output interface 120).
For example, mobile phone is needed using 5V charging voltage, and a certain charging accumulator is needed using 10V charging voltage, in this way,
In the present embodiment, the output voltage of first voltage output interface 110 and second voltage output interface 120 can be 5V, such as
Shown in Fig. 3.In this way, dual power supply switching circuit can export two kinds of voltages of 5V and 10V, to meet mobile phone and battery here
Charging need.It is appreciated that first implements because being changed using the foreign standard or China's charging pile standard of charging pile
Output voltage used by first voltage output interface 110 and second voltage output interface 120 is able to carry out in example changes accordingly
Become.
To sum up, the dual power supply switching circuit of the utility model realizes 12V and 24V power supply using single 12V double loop power supply
Intelligence switching, not only saved charging pile cost and inner space, but also reduce the reactive loss and idling consumption of charger, made
Charger system has more good compatibility and practicability.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (4)
1. a kind of dual power supply switching circuit, which is characterized in that including a double loop power supply (100), which has first
Voltage output interface (110) and second voltage output interface (120)；First voltage output interface (110) and second voltage output
Interface (120) output voltage having the same；The dual power supply switching circuit further includes a relay (KA), the relay (KA)
With normally opened contact (S1), the first normally-closed contact (S2) and the second normally-closed contact (S3)；
Wherein, one end of normally opened contact (S1) is connect with the cathode of first voltage output interface (110), normally opened contact (S1) it is another
One end is connect with the anode of second voltage output interface (120)；
One end of first normally-closed contact (S2) is connect with the cathode of first voltage output interface (110), the first normally-closed contact (S2)
The other end connect with the cathode of second voltage output interface (120)；
One end of second normally-closed contact (S3) is connect with the anode of first voltage output interface (110), the second normally-closed contact (S3)
The anode of the other end and second voltage output interface (120) connect；
The anode of first voltage output interface (110) cooperates with the cathode of second voltage output interface (120), to be used for and load
(200) circuit is connected and constitutes, to give load (200) power supply.
2. dual power supply switching circuit according to claim 1, which is characterized in that first voltage output interface (110) and
The output voltage of two voltage output interfaces (120) is 12V.
3. dual power supply switching circuit according to claim 1, which is characterized in that first voltage output interface (110) and
The output voltage of two voltage output interfaces (120) is 5V.
4. a kind of electric automobile charging pile BMS power supply circuit, which is characterized in that including dual power supply as claimed in claim 1 or 2
Switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289801.4U CN208638063U (en) | 2018-08-10 | 2018-08-10 | Electric automobile charging pile BMS power supply circuit and dual power supply switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289801.4U CN208638063U (en) | 2018-08-10 | 2018-08-10 | Electric automobile charging pile BMS power supply circuit and dual power supply switching circuit |
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| Publication Number | Publication Date |
|---|---|
| CN208638063U true CN208638063U (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821289801.4U Active CN208638063U (en) | 2018-08-10 | 2018-08-10 | Electric automobile charging pile BMS power supply circuit and dual power supply switching circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323812A (en) * | 2019-04-11 | 2019-10-11 | 郑州旭洲电子科技有限公司 | A kind of electric automobile charging pile driving circuit |
| WO2021102998A1 (en) * | 2019-11-29 | 2021-06-03 | 华为技术有限公司 | Voltage regulation module, charging module, and charging pile |
-
2018
- 2018-08-10 CN CN201821289801.4U patent/CN208638063U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323812A (en) * | 2019-04-11 | 2019-10-11 | 郑州旭洲电子科技有限公司 | A kind of electric automobile charging pile driving circuit |
| WO2021102998A1 (en) * | 2019-11-29 | 2021-06-03 | 华为技术有限公司 | Voltage regulation module, charging module, and charging pile |
| CN113196641A (en) * | 2019-11-29 | 2021-07-30 | 华为技术有限公司 | Voltage regulation module, charging module and charging pile |
| EP4054067A4 (en) * | 2019-11-29 | 2022-11-09 | Huawei Digital Power Technologies Co., Ltd. | Voltage regulation module, charging module, and charging pile |
| CN113196641B (en) * | 2019-11-29 | 2023-09-12 | 华为数字能源技术有限公司 | Voltage regulation module, charging module and charging pile |
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