CN207069613U - A kind of micro-capacitance sensor with charging system - Google Patents
A kind of micro-capacitance sensor with charging system Download PDFInfo
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- CN207069613U CN207069613U CN201720588873.8U CN201720588873U CN207069613U CN 207069613 U CN207069613 U CN 207069613U CN 201720588873 U CN201720588873 U CN 201720588873U CN 207069613 U CN207069613 U CN 207069613U
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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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Abstract
A kind of micro-capacitance sensor with charging system, including：DC power generation system, for providing direct current, its output end is electrically connected with dc bus, at least one direct-current charging post is connected with the branch line of the dc bus, first voltage converter is provided with the direct-current charging post, for DC bus-bar voltage to be converted to required charging voltage, the adjustable voltage output port of at least one output voltage is provided with each described direct-current charging post, the charging voltage is exported to charging equipment by the voltage output port, solve the existing micro-capacitance sensor with charging system needs to carry out multiple AC/DC electric energy conversion in power supply process, the problem of causing kwh loss.
Description
Technical field
It the utility model is related to micro-capacitance sensor technical field, and in particular to a kind of micro-capacitance sensor with charging system.
Background technology
At present, environmental pollution has turned into the focal issue of social concerns, in order to tackle solution problem of environmental pollution comprehensively, newly
Energy technology has obtained widely studied and application, such as the new-energy automobile to arise at the historic moment, new-energy automobile refer to using very
The vehicle fuel of rule is as power resources, the advanced technology in terms of the dynamic Control of comprehensive vehicle and driving, and the technology of formation is former
Manage it is advanced, have new technology, the automobile of new construction, the industry development and popularization and application of new-energy automobile, have been trends of the times, should
Transport is at most New-energy electric vehicle, but existing new-energy automobile charging pile typically produces friendship by connecting public network or connection
The micro-capacitance sensor of stream electricity charges for the storage battery of New-energy electric vehicle, because the storage battery charging of New-energy electric vehicle needs direct current
Electricity, when charging pile connects public network, it is necessary to which the alternating current of public network is converted into direct current；It is existing when charging pile connects micro-capacitance sensor
There is micro-capacitance sensor will be by being connected to ac bus, then the friendship by micro-capacitance sensor through inverter after direct current caused by photovoltaic, blower fan etc.
Stream busbar voltage is converted to direct current and the battery of electric automobile is charged so that electric automobile needs constantly to enter in charging process
Row AC/DC is changed, and direct current have passed through DC/AC (inversion), and AC/DC (rectification) is changed twice, it is assumed that each conversion efficiency is about
95%, then total efficiency there was only 90.2%, cause great electric energy loss.
The content of the invention
Therefore, the technical problems to be solved in the utility model is the existing micro-capacitance sensor with charging system in power supply process
In need to carry out multiple AC/DC electric energy conversion, the problem of causing kwh loss.
In view of this, the utility model provides a kind of micro-capacitance sensor with charging system, including：
DC power generation system, for providing direct current, its output end is electrically connected with dc bus, the dc bus
At least one direct-current charging post is connected with branch line, first voltage converter is provided with the direct-current charging post, for by directly
Stream busbar voltage is converted to required charging voltage, and being provided with least one output voltage on each described direct-current charging post can
The voltage output port of tune, the charging voltage is exported to charging equipment by the voltage output port.
Further, the direct-current charging post is multiple that each direct-current charging post exports different charging voltages.
Further, each direct-current charging post has the adjustable voltage output port of multiple output voltages.
Further, in addition to：Electric energy storage device, it is electrically connected with the dc bus, for female to the direct current
Line provides electric energy.
Further, in addition to：EMS, respectively with the DC power generation system and the electric energy storage device
Connection, for managing the electric energy of the DC power generation system and the electric energy storage device.
Further, in addition to：Second voltage converter, it is connected with the branch line of the dc bus, for will be described straight
Stream busbar voltage is converted to the operating voltage of the system communication equipment.
Further, in addition to：Inverter, it is connected with the dc bus, for the DC bus-bar voltage to be changed
Exported for alternating voltage to ac bus, AC load is connected with the branch line of the ac bus.
Further, the electric energy storage device is ferric phosphate lithium cell.
Further, the DC power generation system is at least one in photovoltaic generating system and wind power generation system.
Further, the DC bus-bar voltage is 220V.
A kind of charging system for electric automobile provided by the utility model, by providing the DC power generation system of direct current, its
Output end is electrically connected with dc bus, and at least one direct-current charging post, direct-current charging post are connected with the branch line of dc bus
First voltage converter is inside provided with, DC bus-bar voltage is converted to required charging voltage, on each direct-current charging post
The adjustable voltage output port of at least one output voltage is provided with, is exported charging voltage to waiting to fill by voltage output port
Electric equipment, only need to be by DC bus-bar voltage due to not needing the AC/DC of inverter and rectifier to change in whole power supply process
Be converted to the DC charging voltage needed for charging equipment and charge requirement can be achieved, solve existing micro- with charging system
Power network needs to carry out multiple AC/DC electric energy conversion in power supply process, the problem of causing kwh loss.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for micro-capacitance sensor with charging system that the utility model embodiment provides.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
The utility model embodiment provides a kind of micro-capacitance sensor with charging system, as shown in figure 1, wherein Fig. 1 is with one
Exemplified by direct-current charging post, a voltage output port, including：Direct-current charging post 1, first voltage converter 11, DC generation system
System 21, dc bus 31, voltage output port 41, charging equipment 51, wherein, DC power generation system 21, for providing direct current
Electricity, its output end are electrically connected with dc bus 31, and direct-current charging post 1, DC charging are connected with the branch line of dc bus 31
First voltage converter 11 is provided with stake 1, for DC bus-bar voltage to be converted to required charging voltage, needed for it
Charging voltage is the nominal charging voltage of the charging equipment connected, and being provided with output voltage on each direct-current charging post 1 can
The voltage output port 41 of tune, charging voltage is exported to charging equipment 51 by voltage output port 41, wherein to be charged
Equipment can be to need the equipment of DC charging, such as electric automobile, and according to the model of electric automobile, electric automobile needs straight
Stream voltage can be divided into several voltage gear value ranges：200V-500V, 350V-700V, 500V-950V, it is electric in charging process
The charging current value of electrical automobile can be：80A, 100A, 125A, 160A, 200A, 250A, direct-current charging post and voltage output end
The quantity of mouth can be for one or multiple, when one direct-current charging post of connection on the branch line of dc bus, and filled at this
When one voltage output port is set in electric stake, by the first voltage converter being connected with the direct-current charging post, by this
Charging voltage is converted to charging electric vehicle voltage by one electric pressure converter, can be by the charge control that is integrated in charging pile
Device control first voltage converter changes out the charging voltage needed for any electric automobile in the range of any voltage gear position, works as electricity
When electrical automobile is connected with voltage output port, pass through the battery management system (Battery being connected with charge controller
Management System, BMS) read electric automobile in battery condition, then by controlling high frequency power to switch
(MOSFET) ON time adjusts the dutycycle of output voltage square wave, realizes output DC voltage regulation, implements
To constant DC voltage mode as shown in following formula formula：
Wherein, α is the conducting dutycycle of high frequency power switch；U0For output voltage, unit V；E is input voltage, unit
V, the present embodiment be the micro-capacitance sensor DC bus-bar voltage, preferably 220V.
When setting multiple direct-current charging posts on the branch line in dc bus, one is set in each direct-current charging post
Electric pressure converter, control the conversion range of each electric pressure converter so that each charging pile exports different charging voltages, user
Can be according to the performance indications of itself electric automobile, the voltage output port for selecting to connect different charging piles is filled for electric automobile
Electricity, wherein each direct-current charging post can set multiple voltage output ports, can be multiple identical charging voltage grades simultaneously
Charging electric vehicle.
DC power generation system 11 can be at least one in photovoltaic generating system and wind power generation system, with specific reference to this
The characteristics of geographical position of the specific installation of micro-capacitance sensor with charging system and environment, select daytime using photovoltaic generation or
Wind power generation, or combined using photovoltaic generation and both wind power generations.
The micro-capacitance sensor with charging system that the utility model embodiment provides, by the DC generation system for providing direct current
System, its output end are electrically connected with dc bus, are connected with least one direct-current charging post on the branch line of dc bus, direct current fills
First voltage converter is provided with electric stake, DC bus-bar voltage is converted to required charging voltage, each DC charging
At least one voltage output port is provided with stake, is exported charging voltage to charging equipment by voltage output port, by
Do not need the AC/DC of inverter and rectifier to change in whole power supply process, DC bus-bar voltage need to be only converted to and treated
Charge requirement can be achieved in DC charging voltage needed for charging equipment, solves the existing micro-capacitance sensor with charging system and is supplying
Need to carry out multiple AC/DC electric energy conversion in electric process, the problem of causing kwh loss.
There is the micro-capacitance sensor of charging system also to include for this：Electric energy storage device, it is electrically connected with dc bus, for straight
Flow bus and electric energy is provided.During DC power generation system is generated electricity daytime, unnecessary power storage is filled in electric energy energy storage
In putting, load can be met in use, electric energy storage device releases the electric energy of absorption to meet when electricity generation system generates electricity
Cloudy day either night or it is calm in the case of micro-capacitance sensor power demands or emergency service demand, wherein the electric energy storage device can
There is charge fast, high temperature resistant, safe, long lifespan, green ferric phosphate lithium cell with selection, it is identical
Use condition under, the time of 7 to 8 years can be used in ferric phosphate lithium cell.
The micro-capacitance sensor with charging system that the example of the utility model provides, by setting electric energy storage device, ensure that
The security and stability of micro-capacitance sensor power supply.
There is the micro-capacitance sensor of charging system also to include for this：EMS, stored up respectively with DC power generation system and electric energy
Energy device connection, for managing the electric energy of DC power generation system and electric energy storage device, ensures that the energy of DC power generation system is put down
The economical operation of weighing apparatus, voltage stabilization and electric energy storage device.Such as during solar panel carries out photovoltaic generation,
Photovoltaic generation unit may be influenceed due to long-term use of or adverse circumstances factor, it may occur however that damage, then be influenceed entirely too
The generating efficiency of positive energy battery, if not finding failure problems in time, may influence load power demand, may cause for a long time
The damage of electrical appliance, while electric energy storage device is during electric energy output and power storage is carried out, if without battery
The detection of dump energy or the monitoring of battery charging state electricity, long-term use may cause the damage of energy storage device, shadow
Service life is rung, increases the use cost of micro-capacitance sensor.
There is the micro-capacitance sensor of charging system also to include for this：Second voltage converter, it is connected, is used for the branch line of dc bus
DC bus-bar voltage is converted to the operating voltage of system communication equipment, wherein system communication equipment is included in EMS
The operating voltage of the communication device such as interchanger in the communication device or micro-capacitance sensor in portion, generally contribute to the stability of communications
48V DC voltages.
There is the micro-capacitance sensor of charging system also to include for this：Inverter, it is connected with dc bus, for by DC bus-bar voltage
Be converted to alternating voltage to export to ac bus, AC load is connected with the branch line of ac bus, be then AC load
Power supply, wherein ac bus voltage is 380V.
The micro-capacitance sensor with charging system that above-described embodiment provides, by providing the DC power generation system of direct current, its
Output end is electrically connected with dc bus, and at least one direct-current charging post, direct-current charging post are connected with the branch line of dc bus
First voltage converter is inside provided with, DC bus-bar voltage is converted to required charging voltage, on each direct-current charging post
At least one voltage output port is provided with, is exported charging voltage to charging equipment by voltage output port, due to whole
Do not need the AC/DC of inverter and rectifier to change in individual power supply process, DC bus-bar voltage need to be only converted to be charged
Charge requirement can be achieved in DC charging voltage needed for equipment, solves the existing micro-capacitance sensor with charging system and was powering
Need to carry out multiple AC/DC electric energy conversion in journey, the problem of causing kwh loss.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
- A kind of 1. micro-capacitance sensor with charging system, it is characterised in that including：DC power generation system, for providing direct current, its output end is electrically connected with dc bus, the branch line of the dc bus On be connected with least one direct-current charging post, first voltage converter is provided with the direct-current charging post, for direct current is female Line voltage is converted to required charging voltage, and it is adjustable to be provided with least one output voltage on each described direct-current charging post Voltage output port, the charging voltage is exported to charging equipment by the voltage output port.
- 2. the micro-capacitance sensor according to claim 1 with charging system, it is characterised in that the direct-current charging post is more Individual, each direct-current charging post exports different charging voltages.
- 3. the micro-capacitance sensor according to claim 1 or 2 with charging system, it is characterised in that each direct-current charging post tool There is the adjustable voltage output port of multiple output voltages.
- 4. the micro-capacitance sensor according to claim 1 with charging system, it is characterised in that also include：Electric energy storage device, It is electrically connected with the dc bus, for providing electric energy to the dc bus.
- 5. the micro-capacitance sensor according to claim 4 with charging system, it is characterised in that also include：EMS, It is connected respectively with the DC power generation system and the electric energy storage device, for managing the DC power generation system and the electricity The electric energy of energy energy storage device.
- 6. the micro-capacitance sensor according to claim 5 with charging system, it is characterised in that also include：Second voltage is changed Device, it is connected with the branch line of the dc bus, for the DC bus-bar voltage to be converted to the work electricity of system communication equipment Pressure.
- 7. the micro-capacitance sensor according to claim 1 with charging system, it is characterised in that also include：Inverter, it is and described Dc bus connects, and is exported for the DC bus-bar voltage to be converted into alternating voltage to ac bus, and the exchange is female AC load is connected with the branch line of line.
- 8. the micro-capacitance sensor according to claim 4 with charging system, it is characterised in that the electric energy storage device is phosphorus Sour lithium iron battery.
- 9. the micro-capacitance sensor according to claim 1 with charging system, it is characterised in that the DC power generation system is light It is at least one in photovoltaic generating system and wind power generation system.
- 10. the micro-capacitance sensor according to claim 1 with charging system, it is characterised in that the DC bus-bar voltage is 220V。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588873.8U CN207069613U (en) | 2017-05-24 | 2017-05-24 | A kind of micro-capacitance sensor with charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588873.8U CN207069613U (en) | 2017-05-24 | 2017-05-24 | A kind of micro-capacitance sensor with charging system |
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| Publication Number | Publication Date |
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| CN207069613U true CN207069613U (en) | 2018-03-02 |
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| CN201720588873.8U Active CN207069613U (en) | 2017-05-24 | 2017-05-24 | A kind of micro-capacitance sensor with charging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020077787A1 (en) * | 2018-10-17 | 2020-04-23 | 珠海格力电器股份有限公司 | Air-conditioning device, and electric energy processing method for air-conditioning device |
-
2017
- 2017-05-24 CN CN201720588873.8U patent/CN207069613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020077787A1 (en) * | 2018-10-17 | 2020-04-23 | 珠海格力电器股份有限公司 | Air-conditioning device, and electric energy processing method for air-conditioning device |
| US20210372652A1 (en) * | 2018-10-17 | 2021-12-02 | Gree Electric Appliances, Inc. Of Zhuhai | Air-Conditioning Device, and Electric Energy Processing Method for Air-Conditioning Device |
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