CN109515249B - New energy vehicle battery charge-discharge conversion control device and control method - Google Patents
New energy vehicle battery charge-discharge conversion control device and control method Download PDFInfo
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- CN109515249B CN109515249B CN201811594094.4A CN201811594094A CN109515249B CN 109515249 B CN109515249 B CN 109515249B CN 201811594094 A CN201811594094 A CN 201811594094A CN 109515249 B CN109515249 B CN 109515249B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 15
- 239000013256 coordination polymer Substances 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 238000004590 computer program Methods 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention provides a new energy vehicle battery charge-discharge conversion control device and a control method, comprising a charge control module and a charge-discharge switching module; the charging control module is connected with a grounding wire PE and a charging signal wire CP; the charging and discharging switching module comprises a charging signal switch and a resistance unit; the charging signal line CP can be connected with a charging signal display end of the new energy vehicle after passing through the charging signal switch; the on-off of the charging signal switch can control the on-off of the charging signal line CP; the grounding wire PE is connected to one end of the resistor unit; the other end of the resistance unit can be connected with a signal acquisition end of the resistance unit of the new energy automobile; the resistor unit comprises at least two resistors connected in parallel and is provided with an access switch; the on-off of the access switch selects the accessed resistor. The charge and discharge circuit is integrated together and a charge and discharge function 2 and 1 selection mode is provided for a user through adjustment of the circuit and ingenious layout of components.
Description
Technical Field
The invention relates to the field of charging and discharging of new energy automobiles, in particular to a new energy automobile battery charging and discharging conversion control device and a control method.
Background
Along with the development of new energy electric vehicle technology, various large companies have greatly improved on the electricity utilization technology of battery packs, and in recent years, people gradually find that a large amount of electric energy stored in electric vehicles can achieve an electricity taking effect in a reverse charging mode, and the electricity taking from the vehicle-end battery packs is not only standard 220V voltage, but also has better quality compared with the commercial power. Devices for taking electricity from the vehicle end are already present on the market. Commonly known as electric vehicle discharge equipment. The device has a simple structure and a single function, and realizes the effect of discharging from the battery pack outdoors. But there are also inconveniences for the user. For example: the discharge device is a combination of a charging gun and a socket, and the cable length of the discharge device is 5 meters, so that a user can carry the charging device at the same time. The owner will be faced with carrying two sets of equipment. Not only occupy space. The operation is inconvenient.
Disclosure of Invention
The invention provides a new energy vehicle battery charge-discharge conversion control device and a control method, which have the characteristic of combining a charge function and a discharge function into one device.
The invention also provides a computer readable storage medium, which has the characteristic of being convenient for realizing the control method.
The invention provides a new energy vehicle battery charge-discharge conversion control device, which comprises a charge control module and a charge-discharge switching module; the charging control module is connected with a grounding wire PE and a charging signal wire CP; the charging and discharging switching module comprises a charging signal switch and a resistance unit; the charging signal line CP can be connected with a charging signal display end of the new energy vehicle after passing through the charging signal switch; the on-off of the charging signal switch can control the on-off of the charging signal line CP; the grounding wire PE is connected to one end of the resistor unit; the other end of the resistance unit can be connected with a signal acquisition end of the resistance unit of the new energy automobile; the resistor unit comprises at least two resistors connected in parallel and is provided with an access switch; the on-off of the access switch selects the accessed resistor.
The system also comprises an interface which can be connected with the new energy vehicle; the charging signal line CP is connected to the interface through a charging signal switch and can be connected with a charging signal display end of the new energy vehicle through the interface.
The other end of the resistance unit can be connected with a signal acquisition end of the resistance unit of the new energy automobile through the interface.
The ground line PE is connected to one end of the resistance unit through the interface.
The resistance unit comprises two resistors connected in parallel and a first access switch; the two resistors comprise a first resistor R1 and a second resistor R2, and the first resistor R1 and the first access switch are connected in series to form a first resistor switch series network; the first resistor switch series network is connected with the second resistor R2 in parallel.
The electric signal switch and the access switch are low-voltage switches.
The electrical signal switch and the access switch are mechanical switches and/or electronic switches, including but not limited to one or two of triode switches, magnetic attraction switches and Hall elements.
The magnetic switch comprises, but is not limited to, a micro switch, a reed switch and a reed switch relay; the hall element includes, but is not limited to, a photocell and a proximity switch.
The electric signal switch and the access switch are switches capable of controlling on or off simultaneously.
According to the charge-discharge conversion control method of the new energy vehicle battery provided by the invention, the control device is realized,
When charging is needed, the charging signal switch and the first access switch are both conducted; the new energy vehicle control end receives a charging signal of the charging signal line CP, judges that the charging signal meets the capability standard to be loaded through the resistor unit signal acquisition end, and indicates that the charging state can be entered;
When discharging is needed, the charging signal switch and the first access switch are both disconnected; the new energy vehicle control end judges whether the resistance access condition of the resistance unit accords with the discharge standard through the resistance signal acquisition end, and if so, the new energy vehicle control end does not receive the charging signal of the charging signal line CP, and the new energy vehicle control end indicates that the new energy vehicle can enter a discharge state.
The method further includes simultaneously controlling the charge signal switch and the first access switch to be turned on or off.
According to the present invention, there is provided a computer-readable storage medium storing a computer program capable of being loaded by a processor and executing any one of the methods described above.
Compared with the prior art, the invention realizes the integration of the charge and discharge circuits and provides a mode of selecting 1 for the charge and discharge function 2 for users through the adjustment of the circuits and the ingenious layout of the components. In principle, the charge and discharge are all in the same path.
Drawings
Fig. 1 is a schematic diagram of a discharge state according to an embodiment of the invention.
Fig. 2 is a schematic diagram of a charging state according to an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Any feature disclosed in this specification (including abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
The invention provides a new energy vehicle battery charge-discharge conversion control device, which comprises a charge control module and a charge-discharge switching module; the charging control module is connected with a grounding wire PE and a charging signal wire CP; the charging and discharging switching module comprises a charging signal switch and a resistance unit; the charging signal line CP can be connected with a charging signal display end of the new energy vehicle after passing through the charging signal switch; the on-off of the charging signal switch can control the on-off of the charging signal line CP; the grounding wire PE is connected to one end of the resistor unit; the other end of the resistance unit can be connected with a signal acquisition end of the resistance unit of the new energy automobile; the resistor unit comprises at least two resistors connected in parallel and is provided with an access switch; the on-off of the access switch selects the accessed resistor.
As shown in fig. 1, in this embodiment of the present invention, the switch a is a charging signal switch, and the switch a may be a mechanical switch or an electronic switch. The scheme of the invention realizes the integration of the charge and discharge circuits and provides a mode of selecting 1 for the charge and discharge function 2 for users through the adjustment of the circuits and the ingenious layout of the components. In principle, the charge and discharge are all in the same path. Through extensive analysis and practice of the present invention, the charging function and the discharging function can be combined. And safe and convenient switching is realized. The operation flow can be simplified for a wide range of users. The carrying quantity of the equipment is reduced, the cost is reduced, and the like.
As one embodiment of the invention, the invention further comprises an interface capable of being connected with the new energy vehicle; the charging signal line CP is connected to the interface through a charging signal switch and can be connected with a charging signal display end of the new energy vehicle through the interface.
As shown in fig. 2, the charging GUN is used as an interface connected with the new energy vehicle, and comprises a GUN-CP interface, wherein the GUN-CP interface is connected to a charging signal display end of the new energy vehicle when the charging GUN is connected to the new energy vehicle. When the switch A is turned on, the charging signal display end of the new energy vehicle displays that the charging signal line is turned on.
As one implementation mode of the invention, the other end of the resistance unit can be connected with the signal acquisition end of the resistance unit of the new energy automobile through the interface.
As shown in fig. 1 and 2, the charging GUN is used as an interface connected with a new energy vehicle, and comprises a resistance unit signal acquisition end GUN-CC connected with the other end of the resistance unit.
As an embodiment of the present invention, as shown in fig. 1 and 2, the ground line PE is connected to one end of the resistance unit through the interface.
In the specific embodiment, the charging GUN GUN is used as an interface connected with a new energy vehicle, comprises a GUN-PE interface and is connected with a grounding wire PE; the GUN-PE interface is connected with the GUN-S3 interface through a third resistor R3; the GUN-S3 interface is connected with one end of the interface connected to the resistor unit.
As an embodiment of the present invention, as shown in fig. 1 and 2, the resistance unit includes two resistors connected in parallel and a first access switch; the two resistors comprise a first resistor R1 and a second resistor R2, and the first resistor R1 and the first access switch are connected in series to form a first resistor switch series network; the first resistor switch series network is connected with the second resistor R2 in parallel.
In this specific example, the second resistor R2 is always connected to the interface, and the first access switch (in this specific example, the switch B) is used to select whether the first resistor R1 is connected to the interface; the first resistor R1, the second resistor R2 and the switch B constitute the resistor unit.
As one embodiment of the present invention, the electrical signal switch and the access switch are low voltage switches.
As an embodiment of the present invention, the electrical signal switch and the access switch are mechanical switches and/or electronic switches, including but not limited to one or two of triode switches, magnetically attracted switches, and hall elements.
As an embodiment of the present invention, the magnetically attractable switch includes, but is not limited to, a micro switch, a reed switch, or a reed relay; the hall element includes, but is not limited to, a photocell and a proximity switch.
As one embodiment of the present invention, the magnetically attractable switch includes, but is not limited to, a micro switch, a reed switch, and a reed switch relay; the hall element includes, but is not limited to, a photocell and a proximity switch.
As one embodiment of the present invention, the electric signal switch and the access switch are switches capable of controlling on or off simultaneously.
The operation of the switches A and B by the user can be realized by pressing the external button or rotating the external knob.
According to the method for controlling the charge-discharge conversion of the new energy vehicle battery, which is realized on the basis of the control device,
When charging is needed, the charging signal switch and the first access switch are both conducted; the new energy vehicle control end receives a charging signal of the charging signal line CP, judges that the charging signal meets the capability standard to be loaded through the resistor unit signal acquisition end, and indicates that the charging state can be entered;
When discharging is needed, the charging signal switch and the first access switch are both disconnected; the new energy vehicle control end judges whether the resistance access condition of the resistance unit accords with the discharge standard through the resistance signal acquisition end, and if so, the new energy vehicle control end does not receive the charging signal of the charging signal line CP, and the new energy vehicle control end indicates that the new energy vehicle can enter a discharge state.
When the vehicle end of the new energy vehicle receives the related signal communication, the discharging function can be started. As shown in fig. 1, as an embodiment of the present invention, when both the switch a and the switch B are turned off, the charging signal line CP is not turned on, and only the second resistor R2 is connected to the circuit, and at this time, it can be detected that the resistance value of the resistor unit is equal to the resistance value of the second resistor R2, which indicates that the discharging state can be entered, and the discharging function is turned on.
When the vehicle needs to be charged, the vehicle end of the new energy vehicle receives the related signal communication, and the charging function can be started. As shown in fig. 2, as an embodiment of the present invention, when both the switch a and the switch B are turned on, the charge signal line CP is turned on, and both the first resistor R1 and the second resistor R2 are connected to the circuit. At this time, the parallel resistance of the resistance unit equal to the first resistance R1 and the second resistance R2 can be detected, and the waiting capacity is judged to be in accordance with the standard according to the relationship between the voltage and the resistance, which indicates that the charging state can be entered, and the charging function is started.
The invention can provide a brand new charging product with integrated charging function and discharging function for users. In use, the user can perform the desired function by simply switching, for example, pressing a button or opening a switch. Or using a function knob, etc. And the whole process is safe and reliable. The user does not need to carry a separate charging device. Meanwhile, the rear row space in the vehicle is saved.
As an embodiment of the present invention, the method further includes controlling on or off of the charging signal switch and the first access switch simultaneously.
According to the present invention, there is provided a computer-readable storage medium storing a computer program capable of being loaded by a processor and executing any one of the methods described above.
Claims (7)
1. The new energy vehicle battery charge-discharge conversion control device is characterized by comprising a charge control module and a charge-discharge switching module; the charging control module is connected with a grounding wire PE and a charging signal wire CP; the charging and discharging switching module comprises a charging signal switch and a resistance unit; the charging signal line CP can be connected with a charging signal display end of the new energy vehicle after passing through the charging signal switch; the on-off of the charging signal switch can control the on-off of the charging signal line CP; the grounding wire PE is connected to one end of the resistor unit; the other end of the resistance unit can be connected with a signal acquisition end of the resistance unit of the new energy automobile; the resistor unit comprises at least two resistors connected in parallel and is provided with an access switch; the on-off of the access switch selects an accessed resistor;
the system also comprises an interface which can be connected with the new energy vehicle; the charging signal line CP is connected to the interface through a charging signal switch and can be connected with a charging signal display end of the new energy vehicle through the interface;
the grounding wire PE is connected to one end of the resistor unit through the interface;
The resistance unit comprises two resistors connected in parallel and a first access switch; the two resistors comprise a first resistor R1 and a second resistor R2, and the first resistor R1 and the first access switch are connected in series to form a first resistor switch series network; the first resistor switch series network is connected with the second resistor R2 in parallel.
2. The charge-discharge conversion control device according to claim 1, wherein the other end of the resistor unit is connectable to a signal acquisition end of the resistor unit of the new energy automobile through the interface.
3. The charge-discharge conversion control device according to claim 1, wherein the electric signal switch and the access switch are low-voltage switches.
4. A charge-discharge conversion control device according to claim 3, wherein the electrical signal switch and the access switch are mechanical switches and/or electronic switches, including but not limited to one or two of triode switches, magnetically attracted switches and hall elements.
5. A new energy vehicle battery charge-discharge conversion control method, which is realized on the basis of the charge-discharge control device of claim 1,
When charging is needed, the charging signal switch and the first access switch are both conducted; the new energy vehicle control end receives a charging signal of the charging signal line CP, judges that the charging signal meets the capability standard to be loaded through the resistor unit signal acquisition end, and indicates that the charging state can be entered;
When discharging is needed, the charging signal switch and the first access switch are both disconnected; the new energy vehicle control end judges whether the resistance access condition of the resistance unit accords with the discharge standard through the resistance signal acquisition end, and if so, the new energy vehicle control end does not receive the charging signal of the charging signal line CP, and the new energy vehicle control end indicates that the new energy vehicle can enter a discharge state.
6. The charge-discharge conversion control method according to claim 5, further comprising simultaneously controlling on or off of the charge signal switch and the first access switch.
7. A computer readable storage medium, characterized in that a computer program is stored which can be loaded by a processor and which performs the method of any of claims 5 or 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811594094.4A CN109515249B (en) | 2018-12-25 | 2018-12-25 | New energy vehicle battery charge-discharge conversion control device and control method |
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| CN201811594094.4A CN109515249B (en) | 2018-12-25 | 2018-12-25 | New energy vehicle battery charge-discharge conversion control device and control method |
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| CN109515249A CN109515249A (en) | 2019-03-26 |
| CN109515249B true CN109515249B (en) | 2024-07-30 |
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| CN113131542A (en) * | 2019-12-31 | 2021-07-16 | 北京新能源汽车股份有限公司 | Charging and discharging device and charging and discharging control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209566812U (en) * | 2018-12-25 | 2019-11-01 | 江西特莱斯光学有限公司 | A kind of new energy vehicle battery charging and discharging conversion control device |
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| JP2010011574A (en) * | 2008-06-25 | 2010-01-14 | Panasonic Corp | Charging/discharging control circuit |
| CN103187767B (en) * | 2011-12-31 | 2015-04-22 | 比亚迪股份有限公司 | Electric automobile and charging system used for electric automobile |
| JP5776679B2 (en) * | 2012-12-21 | 2015-09-09 | トヨタ自動車株式会社 | Electric vehicle and control method of electric vehicle |
| CN207117230U (en) * | 2017-07-21 | 2018-03-16 | 深圳易瓦科技有限公司 | Integrated vehicle charge and discharge device, charging adapter and charge power supply line |
| CN108454440B (en) * | 2018-03-27 | 2021-04-13 | 浙江吉利控股集团有限公司 | Vehicle-to-vehicle charging device and method |
| CN108493718A (en) * | 2018-04-02 | 2018-09-04 | 威海市泓淋电力技术股份有限公司 | A kind of charge and discharge rifle with external connecting function |
| CN108400642B (en) * | 2018-05-03 | 2020-05-05 | 北京新能源汽车股份有限公司 | Charging and discharging control method and device, bidirectional charger and electric vehicle |
| CN208209199U (en) * | 2018-06-05 | 2018-12-07 | 上海电享信息科技有限公司 | A kind of new energy vehicle charging interface and a kind of new energy vehicle charging equipment |
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| CN209566812U (en) * | 2018-12-25 | 2019-11-01 | 江西特莱斯光学有限公司 | A kind of new energy vehicle battery charging and discharging conversion control device |
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