CN118182182A - Portable charger for electric vehicle and electric vehicle - Google Patents
Portable charger for electric vehicle and electric vehicle Download PDFInfo
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- CN118182182A CN118182182A CN202211606420.5A CN202211606420A CN118182182A CN 118182182 A CN118182182 A CN 118182182A CN 202211606420 A CN202211606420 A CN 202211606420A CN 118182182 A CN118182182 A CN 118182182A
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Abstract
The present invention provides a portable charger for an electric vehicle, the portable charger comprising: a first plug configured to be plugged into a charging socket of an electric vehicle to be charged; a dc connector comprising a first terminal and a second terminal, wherein the first terminal is configured to connect to a positive electrode of a battery and the second terminal is configured to connect to a negative electrode of the battery; and an inverter unit disposed between the dc connector and the first plug and configured to convert dc power input via the dc connector into ac power output via the first plug. With the portable charger according to the present disclosure, an electric vehicle can draw power from a battery of other surrounding electric vehicles to supplement the electric vehicle in an emergency, thereby enabling the electric vehicle to escape from the danger.
Description
Technical Field
The present invention relates generally to electric vehicles. More particularly, the present invention relates to a portable charger for an electric vehicle and an electric vehicle including the portable charger for an electric vehicle.
Background
For new energy electric vehicles, there are four charging modes, the charging gun of the mode 1 is not provided with a control box, the electric vehicle is directly plugged into a household alternating current socket through a cable of the charging gun for charging when being charged, communication with the electric vehicle cannot be established, and maximum current intensity, voltage, temperature and the like cannot be confirmed during charging. The charging method of mode 1 has been essentially eliminated because of the poor safety. The difference between mode 2 and mode 1 is that a protection device, i.e. an adapter, is added, and at the same time, communication is established with the electric vehicle through the control wire, so that charging parameters can be exchanged between the electric vehicle and the charger, and the vehicle-mounted charging generally adopts the mode, and the charging current of the charger in mode 2 is smaller, generally 8A to 16A. Mode 3 differs from mode 1 and mode 2 in that the charging gun is not connected to the domestic ac mains, but to a dedicated ac power supply, i.e. an ac charging pile. The charging gun of mode 3 at this time may be without an adapter because the ac charging stake itself is protective. Mode 3 can ensure the safety of charging and also can increase the charging speed to some extent (with several specifications of different charging currents 10A, 13A, 32A and 63A). Both the ac charging stake and the wall-mounted charging box are mode 3. Mode 4 is a direct current charging mode that is capable of charging an electric vehicle in a short period of time because the charger of mode 4 has high power, high voltage operating conditions, such as some brands of super charging stations, typically not belonging to the household but rather being a charging post specifically located at a quick charging station. The charging current of mode 4 is large, and the current is typically direct current 80A, 125A, 200A, 250A or even higher, so the natural charging speed is also fastest. However, direct current charging requires very high installation requirements and is very costly, while long term direct current charging can affect battery life.
In summary, three of the four charging modes described above are most commonly used: mode 4 is used as a direct current fast charge, mode 3 is used for an alternating current charge of a wall-mounted charging box or an alternating current charging stake, and mode 2 is used for a portable charger, but there is no charging stake of mode 4 or mode 3 that is powered with only a normal 220V power supply.
However, in some emergency situations, there is even no 220V power supply. But the electric vehicle is in a dead state at this time, such as battery exhaustion when traffic jam is encountered during long journey, the electric vehicle gets stuck while no electric power is supplied nearby during long journey in the field, and so on.
Disclosure of Invention
As described above, in some emergency situations, there is no 220V power supply around the electric vehicle and no charging post, and the only possible possibility is to use the battery of other electric vehicles, so a charger different from the four chargers available in the prior art is required at this time, so that the electric vehicle without electricity can be supplemented by the battery of other electric vehicles, and thus the electric vehicle can be released from the danger.
In view of the above technical problem, a first aspect of the present invention proposes a portable charger for an electric vehicle, the portable charger comprising:
a first plug configured to be plugged into a charging socket of an electric vehicle to be charged;
A dc connector comprising a first terminal and a second terminal, wherein the first terminal is configured to connect to a positive electrode of a battery and the second terminal is configured to connect to a negative electrode of the battery; and
An inverter unit disposed between the dc connector and the first plug and configured to convert dc power input via the dc connector into ac power output via the first plug.
In this way, power can be drawn from the battery of other surrounding electric vehicles by means of the portable charger according to the present disclosure in order to supplement the electric vehicle in an emergency situation, thereby enabling the electric vehicle to come out of danger.
In one embodiment according to the present disclosure, the portable charger further comprises: and a second plug configured to be plugged into a utility outlet to output an alternating current input via the second plug to the first plug. In this way, the portable charger according to the present disclosure is also made compatible with the existing charger of mode 2, and in addition to being able to supplement electric power to an electric vehicle by means of the storage battery of another electric vehicle, it is also able to supplement electric power to an electric vehicle by means of domestic electricity.
In one embodiment according to the present disclosure, the portable charger further comprises: a double throw switch provided between the first plug and the second plug to connect the first plug to the second plug or to the inverter unit. In this way, the circuit powered by the battery and the circuit powered by the domestic electricity can be isolated and selected such that the portable charger according to the present disclosure can be charged either by the battery of other electric vehicles or by the domestic electricity.
In one embodiment according to the present disclosure, the inverter unit includes: a dc-ac conversion module configured to convert a dc power input via the dc connector into an ac power output via the first plug.
Preferably, in one embodiment according to the present disclosure, the portable charger is configured as a mode 2 charger.
More preferably, in one embodiment according to the present disclosure, the first and second terminals of the dc connector are configured as clips. So that the direct current connector can be connected in a simple manner to the bare electrode of the battery of the other electric vehicle.
Further, a second aspect of the present disclosure proposes an electric vehicle comprising the portable charger proposed according to the first aspect of the present disclosure. In such a way that an electric vehicle according to the present disclosure is enabled to draw power from the battery of other surrounding electric vehicles by means of the portable charger according to the present disclosure in order to supplement the electric vehicle in an emergency situation, thereby enabling the electric vehicle to come out of danger.
In one embodiment according to the present disclosure, the electric vehicle further includes: a portable charger mount; and a status switch having a first state when the portable charger is placed on the portable charger mount and a second state when the portable charger mount is empty. In this way it is possible to let the electric vehicle know by means of the status switch whether the portable charger according to the present disclosure is located at a predetermined position, and to take precautions when the portable charger according to the present disclosure is required but not at a predetermined position.
In one embodiment according to the present disclosure, the electric vehicle further includes: a navigation module configured to receive navigation information associated with a navigation destination; and the processing module judges the possibility of emergency according to the navigation information, acquires the state of the state switch when the possibility is larger than a threshold value, and sends out a prompt when the state is a second state. In this way, it is possible for the electric vehicle to take precautions by means of the status switch when the portable charger according to the present disclosure is required but not in a predetermined position.
In one embodiment according to the present disclosure, the navigation information includes whether the destination exceeds a first distance or whether the destination is in the field. The first distance here is, for example, the actual range of the battery of the electric vehicle, which may be, for example, somewhat smaller than the actual range of the battery of the electric vehicle in order to provide some margin for more insurance.
In one embodiment according to the present disclosure, the electric vehicle further includes: and the prompting module is configured to prompt a user of the electric vehicle through sound, text or an optical signal when the state is the second state.
In summary, with the portable charger according to the present disclosure, an electric vehicle can draw power from a battery of other surrounding electric vehicles to supplement the electric vehicle in an emergency, thereby enabling the electric vehicle to escape from a dangerous situation.
Drawings
Features, advantages and other aspects of embodiments of the present invention will become more apparent upon reference to the following detailed description, taken in conjunction with the accompanying drawings, wherein like reference numerals designate the same or similar parts throughout the several embodiments thereof, which are shown by way of illustration and not limitation.
Fig. 1 shows a schematic block diagram of a portable charger 100 for an electric vehicle according to one embodiment of the present disclosure;
Fig. 2 shows a schematic block diagram of a portable charger 200 for an electric vehicle according to another embodiment of the present disclosure; and
Fig. 3 shows a schematic view of an electric vehicle 300 including the portable charger for an electric vehicle in use according to one embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments of the present invention are described in detail below with reference to the drawings. While the exemplary methods, apparatus described below include software and/or firmware executed on hardware among other components, it should be noted that these examples are merely illustrative and should not be considered as limiting. For example, it is contemplated that any or all of the hardware, software, and firmware components could be embodied exclusively in hardware, exclusively in software, or in any combination of hardware and software. Thus, while exemplary methods and apparatus have been described below, those skilled in the art will readily appreciate that the examples provided are not intended to limit the manner in which such methods and apparatus may be implemented.
Furthermore, the flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of methods and systems according to various embodiments of the present invention. It should be noted that the functions noted in the blocks may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by special purpose hardware-based systems which perform the specified functions or operations, or combinations of special purpose hardware and computer instructions.
For convenience of description, some terms appearing in the present application are explained below, and it should be understood that terms used in the present application should be interpreted as having meanings consistent with their meanings in the context of the present specification and the relevant field. The terms "comprising," including, "and similar terms in the present application should be construed as open-ended terms, i.e., including, but not limited to," mean that other elements may also be included.
In embodiments of the present invention, the term "based on" is based at least in part on.
In an embodiment of the present invention, the term "one embodiment" means "at least one embodiment".
In an embodiment of the present invention, the term "another embodiment" means "at least one other embodiment" and so forth.
In an embodiment of the present invention, the term "electric vehicle" may be an electric vehicle, which may be a pure electric vehicle or a hybrid electric vehicle, a truck, an SUV, a van, a utility electric vehicle, or any other rolling platform.
In embodiments of the present invention, the term "battery" or "power cell" may include a single cell, a battery of multiple cells, or a battery pack.
As previously mentioned, in some emergency situations, there is no 220V power source around the electric vehicle and no charging post, and the only possible possibility is to use the battery of other electric vehicles, so a charger different from the four chargers available in the prior art is needed at this time, so that the electric vehicle without electricity can be supplemented by the battery of other electric vehicles, and thus the electric vehicle can be released from the danger.
In view of the above technical problems, a first aspect of the present invention proposes a portable charger for an electric vehicle. The portable charger according to the present disclosure is capable of charging an electric vehicle by means of a battery of other electric vehicles located around the electric vehicle, thereby helping the electric vehicle to come out of danger.
The structure of a portable charger for an electric vehicle according to the present disclosure and its application scenario and use process at the time of use will be described below with reference to fig. 1 to 3.
Fig. 1 shows a schematic block diagram of a portable charger 100 for an electric vehicle according to one embodiment of the present disclosure. As can be seen in fig. 1, a portable charger 100 according to the present disclosure includes a first plug 110, the first plug 110 being configured to plug into a charging receptacle of an electric vehicle (not shown in fig. 1) to be charged. Further, the portable charger 100 according to the present disclosure further comprises a dc connector 130, the dc connector 130 comprising a first terminal 131 and a second terminal 132, wherein the first terminal 131 is configured for connection to a positive pole of a battery (e.g. a battery of a surrounding other vehicle, which may be either an electric vehicle or a fuel vehicle or even other vehicles, as long as there is a battery thereon, which typically may output a dc voltage of 12V), and the second terminal 132 is configured for connection to a negative pole of the battery. In addition, the portable charger 100 according to the present disclosure further includes an inverter unit 120, the inverter unit 120 being disposed between the dc connector 130 and the first plug 110 and configured to convert dc power input via the dc connector 130 into ac power output via the first plug 110. In such a manner, power can be drawn from the battery of other surrounding electric vehicles by means of the portable charger 100 according to the present disclosure in order to supplement the electric vehicle in an emergency situation, thereby enabling the electric vehicle to be taken out of danger.
The portable charger shown in fig. 1 does not belong to any of the four existing chargers in the background art, and in order to make the portable charger according to the present disclosure compatible with the existing charger of mode 2, the inventors of the present disclosure want to add a charging circuit thereto, i.e. a plug that can be plugged into a domestic electrical outlet. Fig. 2 shows a schematic block diagram of a portable charger 200 for an electric vehicle according to another embodiment of the present disclosure. As can be seen in fig. 2, a portable charger 200 according to the present disclosure includes a first plug 210, the first plug 210 being configured to plug into a charging receptacle of an electric vehicle (not shown in fig. 2) to be charged. Further, the portable charger 200 according to the present disclosure further comprises a dc connector 230, the dc connector 230 comprising a first terminal 231 and a second terminal 232, wherein the first terminal 231 is configured for connection to a positive pole of a battery (e.g. a battery of a surrounding other vehicle, which may be either an electric vehicle or a fuel vehicle or even other vehicles, as long as there is a battery thereon, which typically may output a dc voltage of 12V), and the second terminal 232 is configured for connection to a negative pole of the battery. In addition, the portable charger 200 according to the present disclosure further includes an inverter unit 220, the inverter unit 220 being disposed between the dc connector 230 and the first plug 210 and configured to convert dc power input via the dc connector 230 into ac power output via the first plug 210. Furthermore, the portable charger 200 further includes a second plug 240, and the second plug 240 is configured to be plugged into a mains socket, so as to output the ac power input through the second plug 240 to the first plug 210. In this way, power can be drawn from the battery of other surrounding electric vehicles by means of the portable charger 200 according to the present disclosure in order to supplement the electric vehicle in an emergency situation, thereby enabling the electric vehicle to be taken out of danger. Further, the portable charger 200 according to the present disclosure is enabled to be compatible with the existing charger of mode 2 in such a manner that it is possible to supplement electric power to an electric vehicle by means of civilian power in addition to the electric vehicle by means of the storage battery of another electric vehicle. In other words, the portable charger 200 can also be configured as a mode 2 charger.
In addition, as can be seen from fig. 2, the portable charger 200 further includes a double-throw switch 250, and the double-throw switch 250 is disposed between the first plug 210 and the second plug 240 to connect the first plug 210 to the second plug 240 or to the inverter unit 220. In this way, the battery powered circuit and the household powered circuit can be isolated and selected such that the portable charger 200 according to the present disclosure can be charged either by means of the battery of other electric vehicles or by means of household electricity. Here, the inverter unit 220 includes a dc-ac conversion module configured to convert the dc power input via the dc connector 230 into the ac power output via the first plug 210.
Furthermore, as can be seen from fig. 1 and 2, the first terminals 131, 231 and the second terminals 132, 232 of the dc connectors 130, 230 are designed as clamps, for example as a metal clamp, respectively, so that the dc connectors 100 and 200 can be connected to the exposed electrodes of the batteries of other electric vehicles in a simple manner. As previously described, the first terminal 131, 231 is configured for connection to the positive pole of a battery (e.g., a battery of a surrounding other vehicle, which may be either an electric vehicle or a fuel vehicle or even another vehicle, as long as the battery is provided thereon, which typically can output a direct voltage of 12V), and the second terminal 132, 232 is configured for connection to the negative pole of the battery.
Further, a second aspect of the present disclosure proposes an electric vehicle. The electric vehicle includes the portable charger 100 or 200 proposed according to the first aspect of the present disclosure. In such a way that an electric vehicle according to the present disclosure is enabled to draw power from the battery of other surrounding electric vehicles by means of the portable charger 100, 200 according to the present disclosure in order to supplement the electric vehicle in an emergency situation, thereby enabling the electric vehicle to come out of danger.
Fig. 3 shows a schematic view of an electric vehicle 300 including the portable charger for an electric vehicle in use according to one embodiment of the present disclosure. As can be seen from fig. 3, the portable charger according to the present disclosure comprises a first plug (not shown in the drawings) which can be plugged into, for example, a charging socket 380 of an electric vehicle 300 to be charged, and further, the portable charger according to the present disclosure comprises a dc connector 330, said dc connector 330 comprising a first terminal 331 and a second terminal 332, wherein said first terminal 331 is configured for connection to a battery (for example, a battery of a surrounding other vehicle, which can be either an electric vehicle or even another vehicle, as long as it has a battery thereon, which can output a dc voltage of 12V, and said second terminal 332 is configured for connection to a negative pole of said battery, in addition, the portable charger according to the present disclosure further comprises an inverter unit 320, said inverter unit 320 being arranged between said dc connector 330 and said first plug and configured for converting the dc power input via said dc connector 330 into said first power, which can be output via said battery, and further, by way of being configured for being disconnected from said portable vehicle via said first plug, and further, from said portable vehicle by way of said first plug 340 can be plugged into and out of said portable vehicle according to the present disclosure, further, by way of the portable charger, in this way, the portable charger according to the present disclosure is also made compatible with the existing charger of mode 2, and in addition to being able to supplement electric power to an electric vehicle by means of the storage battery of another electric vehicle, it is also able to supplement electric power to an electric vehicle by means of domestic electricity. In other words, the portable charger can also be configured as a mode 2 charger.
Further, as can be seen from fig. 3, the portable charger further comprises a double-throw switch 350, the double-throw switch 350 being provided between the first plug and the second plug 340 to connect the first plug to the second plug 340 or to the inverter unit 320. In this way, the circuit powered by the battery and the circuit powered by the domestic electricity can be isolated and selected such that the portable charger according to the present disclosure can be charged either by the battery of other electric vehicles or by the domestic electricity. Here, the inverter unit 320 includes a dc-ac conversion module configured to convert the dc power input via the dc connector 330 into the ac power output via the first plug.
Further, the electric vehicle 300 according to the present disclosure further includes: a portable charger mount (e.g., located in a trunk of an electric vehicle); and a status switch 360, the status switch 360 having a first state when the portable charger is placed on the portable charger mount, and the status switch 360 having a second state when the portable charger mount is empty. In this way, it is possible for the electric vehicle 300 to know whether the portable charger according to the present disclosure is located at a predetermined position by means of the status switch 360, and to make precautions when the portable charger according to the present disclosure is required but not at the predetermined position. Further, the electric vehicle 300 further includes: a navigation module 370 configured to receive navigation information associated with a navigation destination; and the processing module judges the possibility of emergency according to the navigation information, acquires the state of the state switch when the possibility is larger than a threshold value, and sends out a prompt when the state is a second state. In this way, it is possible for the electric vehicle to take precautions by means of the status switch when the portable charger according to the present disclosure is required but not in a predetermined position.
In one embodiment according to the present disclosure, the navigation information includes whether the destination exceeds a first distance or whether the destination is in the field. The first distance here is, for example, the actual range of the battery of the electric vehicle, for example 300 km, which may be somewhat smaller than the actual range of the battery of the electric vehicle, for example, in order to provide some margin, for more insurance. For example the first distance can be set to 300 km with an actual range of a few 350 km,
In one embodiment according to the present disclosure, the electric vehicle 300 further includes: a prompting module (not shown in the figure) configured to prompt a user of the electric vehicle by a sound, text, or light signal if the state is the second state.
In summary, with the portable charger according to the present disclosure, an electric vehicle can draw power from a battery of other surrounding electric vehicles to supplement the electric vehicle in an emergency, thereby enabling the electric vehicle to escape from a dangerous situation.
In general, the various example embodiments of the invention may be implemented in hardware or special purpose circuits, software, firmware, logic or any combination thereof. Some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device. While aspects of the embodiments of the invention are illustrated or described as block diagrams, flow charts, or using some other pictorial representation, it is well understood that blocks, apparatus, systems, techniques or methods described herein may be implemented in, as non-limiting examples, hardware, software, firmware, special purpose circuits or logic, general purpose hardware or controller or other computing devices, or some combination thereof.
Although embodiments of the present invention have been described with reference to a number of specific embodiments, it should be understood that embodiments of the present invention are not limited to the specific embodiments of the invention. The embodiments of the invention are intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. The scope of the claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.
Claims (11)
1. A portable charger for an electric vehicle, the portable charger comprising:
a first plug configured to be plugged into a charging socket of an electric vehicle to be charged;
A dc connector comprising a first terminal and a second terminal, wherein the first terminal is configured to connect to a positive electrode of a battery and the second terminal is configured to connect to a negative electrode of the battery; and
An inverter unit disposed between the dc connector and the first plug and configured to convert dc power input via the dc connector into ac power output via the first plug.
2. The portable charger of claim 1, further comprising:
And a second plug configured to be plugged into a utility outlet to output an alternating current input via the second plug to the first plug.
3. The portable charger of claim 2, further comprising:
a double throw switch provided between the first plug and the second plug to connect the first plug to the second plug or to the inverter unit.
4. The portable charger of claim 1, wherein the inverter unit comprises:
A dc-ac conversion module configured to convert a dc power input via the dc connector into an ac power output via the first plug.
5. The portable charger of claim 1, wherein the portable charger is configured as a mode 2 charger.
6. The portable charger of claim 1 wherein the first and second terminals of the dc connector are configured as clips.
7. An electric vehicle, characterized in that the electric vehicle comprises:
The portable charger according to any one of claims 1 to 6.
8. The electric vehicle of claim 7, characterized in that the electric vehicle further comprises:
A portable charger mount; and
A status switch having a first state when the portable charger is placed on the portable charger mount and a second state when the portable charger mount is empty.
9. The electric vehicle of claim 8, characterized in that the electric vehicle further comprises:
a navigation module configured to receive navigation information associated with a navigation destination; and
The processing module judges the possibility of emergency according to the navigation information, acquires the state of the state switch when the possibility is larger than a threshold value, and sends out a prompt when the state is a second state.
10. The electric vehicle of claim 9, characterized in that the navigation information includes whether a destination exceeds a first distance or whether the destination is in the field.
11. The electric vehicle of claim 9, characterized in that the electric vehicle further comprises:
And the prompting module is configured to prompt a user of the electric vehicle through sound, text or an optical signal when the state is the second state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211606420.5A CN118182182A (en) | 2022-12-14 | 2022-12-14 | Portable charger for electric vehicle and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211606420.5A CN118182182A (en) | 2022-12-14 | 2022-12-14 | Portable charger for electric vehicle and electric vehicle |
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| Publication Number | Publication Date |
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| CN118182182A true CN118182182A (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211606420.5A Pending CN118182182A (en) | 2022-12-14 | 2022-12-14 | Portable charger for electric vehicle and electric vehicle |
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| CN (1) | CN118182182A (en) |
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- 2022-12-14 CN CN202211606420.5A patent/CN118182182A/en active Pending
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