CN210327074U - Charging device - Google Patents
Charging device Download PDFInfo
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- CN210327074U CN210327074U CN201921233021.2U CN201921233021U CN210327074U CN 210327074 U CN210327074 U CN 210327074U CN 201921233021 U CN201921233021 U CN 201921233021U CN 210327074 U CN210327074 U CN 210327074U
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Abstract
The utility model relates to a field of charging especially involves a charging device. The charging device comprises a main control unit, an address management unit, at least two charging modules, a confluence circuit and at least one charging output end; the main control unit is electrically connected with the address management unit, the at least two charging modules are electrically connected with the address management unit, and the address management unit is used for distributing addresses for the at least two charging modules; the at least two charging modules are further connected with the input end of the confluence circuit, the output end of the confluence circuit is connected with the at least one charging output end, and the confluence circuit is used for converging part or all electric quantity in the at least two charging modules to the output end. The embodiment of the utility model provides a manage the module of charging that corresponds for each module allocation unique address that charges through the address management unit to the realization improves user experience to the unified management and the accurate control of the module of charging.
Description
Technical Field
The utility model relates to a field of charging especially involves a charging device.
Background
The double-gun and multi-gun output of the charging pile is widely applied in the industry, and in the charging industry, the multi-output charging is frequently used, and the power of the system needs to be distributed and controlled frequently. While most modules use randomly assigned addresses or group modules. When one set of direct current quick charge system double gun is used, two cars need different voltage grades and different power grades to charge, and the modules need to be grouped or randomly assigned with addresses to control the modules.
In the process of implementing the present invention, the inventor finds that the prior art has at least the following problems: when the existing charging system groups the modules or randomly allocates addresses, the controller cannot accurately control each charging module.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a main technical problem who solves provides a charging device, can be when charging intelligent distribution address to each of accurate control module of charging.
The charging device comprises a main control unit, an address management unit, at least two charging modules, a confluence circuit and at least one charging output end;
the main control unit is electrically connected with the address management unit, the at least two charging modules are electrically connected with the address management unit, and the address management unit is used for allocating addresses for the at least two charging modules;
the at least two charging modules are further connected with the input end of the confluence circuit, the output end of the confluence circuit is connected with the at least one charging output end, and the confluence circuit is used for converging part or all electric quantity in the at least two charging modules to the output end.
In some embodiments, the bus circuit includes a bus switch for connecting two charging modules.
In some embodiments, the number of the bus switches is one less than the number of the at least two charging modules, and one bus switch is disposed between two adjacent charging modules.
In some embodiments, the bus switch includes two contactors, one of which connects the anodes of the two charging modules and the other of which connects the cathodes of the two charging modules.
In some embodiments, the bus circuit further comprises a bus switch disposed between the charging module and the charging output.
In some embodiments, the bus bar switch comprises two contactors;
one of the two contactors is connected with the positive pole of the charging module and the charging output end, and the other contactor is connected with the negative pole of the charging module and the charging output end.
In some embodiments, the number of charging modules is 4.
In some embodiments, the address management unit is connected to the master control unit through any one of a CAN, RS485, or RS232 bus.
In some embodiments, the address management unit and the charging module are connected by a CAN bus.
In some embodiments, the main control unit is a single chip microcomputer, and the address management unit is at least two ISO1050 communication chips.
The utility model discloses embodiment's beneficial effect is: the embodiment of the utility model provides an in the main control unit is according to the demand of the output power that charges, adjusts its operating condition for the only address that corresponds of each module distribution that charges through the address management unit, opens or is closed according to the corresponding regulation of the operating condition of each module that charges in the direct current contactor in the circuit that converges to the output required power of charging output, thereby realizes unified management and the accurate control to the module that charges, improves user experience.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of an embodiment of the charging circuit of the present invention;
fig. 2 is a schematic circuit diagram of an embodiment of the charging circuit of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, the charging device of the present embodiment includes a main control unit 10, an address management unit 20, at least two charging modules 30, a bus circuit 40, and at least one charging output terminal 50. The main control unit 10 is electrically connected to the at least two charging modules 30 through the address management unit 20, the at least two charging modules 30 are connected to one end of the bus circuit 40, and the other end of the bus circuit 40 is connected to the at least one charging output terminal 50.
The main control unit 10 manages addresses of at least two charging modules 30 through the address management unit 20 according to power requirements of at least one charging output 50. For example, in one embodiment, the address management unit 20 is electrically connected to the at least two charging modules 30 through buses, the number of the buses is equal to the number of the charging modules in the at least two charging modules 30, each bus corresponds to a channel interface serial number, the address management unit 20 corresponds to the charging module according to the channel interface serial number, and manages the channel interface serial number as the address of the charging module. The charging modules of the at least two charging modules 30 are each provided with two output terminals, respectively a first output terminal and a second output terminal, the first output terminal is a positive electrode, the second output terminal is a negative electrode, and part or all of the electric quantity thereof is converged to the charging output terminal 50 through the converging circuit 40 to output the power required by the charging output terminal 50.
Meanwhile, at least two charging modules 30 feed back the output voltage and current signals to the control unit 10 through the address management unit 20 in real time, so that unified management and accurate control of the charging modules are realized, and user experience is improved.
In some embodiments, the bus circuit 40 includes a bus switch, and the two charging modules are connected by the bus switch, so that when the bus switch is closed, the electric quantities of the two charging modules can be serially output to increase the output power of the circuit.
In other embodiments, a bus switch is disposed between adjacent charging modules to connect the charging modules in the circuit, and the bus switch is turned on or off to meet different power requirements in the circuit. Meanwhile, according to the connection relation of the bus switches in the circuit, the number of the bus switches is one less than that of the charging modules.
In practical applications, since the power levels required by the vehicles are different, in order to realize intelligent charging, a bus switch is arranged between adjacent charging modules, so as to allocate different power outputs according to different vehicles.
In other embodiments, the bus bar switch includes two contactors, specifically, the two contactors may be a switch tube or a dc contactor, and in this embodiment, the two contactors are dc contactors. One direct current contactor is used for connecting the anodes of the two adjacent charging modules, and the other direct current contactor is used for connecting the cathodes of the two adjacent charging modules. During charging, both contactors are opened or closed simultaneously to form a closed charging loop in the circuit.
In some embodiments, the bus circuit 40 further comprises a bus switch disposed between the at least two charging modules 30 and the at least one charging output 50 for turning on or off the power output of the charging output.
In practical application, the bus switch is directly connected with the charging output end, and when the charging output end outputs power, the bus switch connected with the charging output end at least needs to be closed to form a charging closed loop for charging.
In other embodiments, the bus switch includes two contactors, specifically, the two contactors may be a switch tube or a dc contactor, and in this embodiment, the two contactors are dc contactors. One of the dc contactors is connected to the positive electrode of the charging module and the positive electrode of the charging output terminal, the other dc contactor is connected to the negative electrode of the charging module and the negative electrode of the charging output terminal, and the two contactors of the bus switch are opened or closed at the same time, so that at least one of the charging output terminals 50 can normally operate.
In other embodiments, the number of charging modules in the at least two charging modules 30 is 4. In practical applications, the number of the charging modules can be more, and the number of the bus bar switches and the bus bar switches is correspondingly increased.
In some embodiments, the address management unit 20 is connected to the main control unit 10 by a bus, where the bus may be any one of CAN, RS485 or RS232, and is used for the main control unit 10 to send instruction data to the address management unit 20, and meanwhile, the main control unit 10 may receive charging data fed back by the at least two charging modules 30 through the bus, so as to monitor and precisely control the at least two charging modules 30 in real time.
In other embodiments, the address management unit 20 is electrically connected to the at least two charging modules 30 through CAN buses, and specifically, the number of the CAN buses is the same as the number of the charging modules in the at least two charging modules 30. Each CAN bus is provided with a channel interface serial number, and the address management unit 20 manages at least two charging modules 30 by using the channel interface serial number as an address.
In other embodiments, the main control unit 10 is a single chip, and the address management unit 20 is at least two ioso 1050 communication chips.
Specifically, for example, referring to fig. 2, the at least two charging modules 30 are composed of four charging modules in parallel, the four charging modules include a first charging module 31, a second charging module 32, a third charging module 33 and a fourth charging module 34, then, the address management unit 20 is electrically connected to each charging module through a CAN bus, the serial numbers of the channel interfaces of the CAN bus corresponding to the charging modules are CAN1, CAN2, CAN3 and CAN4, and the address management unit 20 directly manages the corresponding charging modules according to the serial numbers of the channel interfaces.
The bus circuit 40 includes three bus switches, which are a first bus switch, a second bus switch, and a third bus switch, respectively, the first bus switch is disposed between the first charging module 31 and the second charging module 32, the second bus switch is disposed between the second charging module 32 and the third charging module 33, and the third bus switch is disposed between the third charging module 33 and the fourth charging module 34, for connecting each adjacent two charging modules. The bus circuit 40 further includes two bus switches, a first bus switch and a second bus switch, the first bus switch is connected between the first charging module 31 and the charging output terminal a, and the second bus switch is connected between the fourth charging module 34 and the charging output terminal B, for managing the output of the two charging output terminals.
The bus switch includes two direct current contactors, a first bus switch includes direct current contactors KM3 and KM4, a second bus switch includes direct current contactors KM5 and KM6, and a third bus switch includes direct current contactors KM7 and KM 8. The bus switch also comprises two direct current contactors, wherein the first bus switch comprises direct current contactors KM1 and KM2, and the second bus switch comprises direct current contactors KM9 and KM 10. The direct-current contactors KM3, KM5 and KM7 connect the positive electrodes of the two adjacent charging modules to the bus switches KM1 and KM9 at two ends, and the direct-current contactors KM4, KM6 and KM8 connect the negative electrodes of the two adjacent charging modules to the bus switches KM2 and KM10 at two ends.
Assuming that the maximum output power of each charging module is 15KW, the charging device is equipped with two charging outputs a and B. The charging output end A of the existing trolley is used for charging, and the required charging power is 45 KW. The charging output end A monitors the connection state of the charging output end A and a charging vehicle in real time, and sends the connection state and power demand information to the main control unit 10, and the main control unit 10 allocates the charging module to open or close the corresponding switch through the address management unit according to the connection state and the power demand to form a charging closed loop. At this time, the charging power required by the vehicle is 45KW, and the address management unit 20 manages the first charging module, the second charging module, and the third charging module through the channel interface serial numbers CAN1, CAN2, and CAN3 of the charging modules, and closes the corresponding dc contactors KM1, KM2, KM3, KM4, KM5, and KM 6. If the charging output end B also monitors the connection of the vehicle at this time, the connected state and the power requirement are sent to the main control unit 10, at this time, the charging power of the vehicle is also 45KW, after the main control unit 10 receives the message, the address management unit 20 allocates the charging modules, and divides the electric quantity of the charging modules equally, that is, the electric quantities of the first charging module and the second charging module are connected in series and output at the charging output end a, and the electric quantities of the third charging module and the fourth charging module are connected in series and output at the charging output end B, that is, the direct current contactors KM5 and KM6 are opened, and the direct current contactors KM1, KM2, KM3, KM4, KM7, KM8, KM9 and KM10 are closed. At this time, the charging output terminals A and B both output 30 KW.
Meanwhile, in the charging process, each charging module feeds back the output voltage and current signals to the address management unit 20 through each CAN bus, and the address management unit 20 sends the signals of each charging module to the main control unit 10 according to the channel interface serial number, so that the main control unit 10 CAN monitor the working and connection states of each charging module in real time to adjust the working condition of each charging module.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A charging device is characterized by comprising a main control unit, an address management unit, at least two charging modules, a bus circuit and at least one charging output end;
the main control unit is electrically connected with the address management unit, the at least two charging modules are electrically connected with the address management unit, and the address management unit is used for distributing addresses for the at least two charging modules;
the at least two charging modules are further connected with the input end of the confluence circuit, the output end of the confluence circuit is connected with the at least one charging output end, and the confluence circuit is used for converging part or all electric quantity in the at least two charging modules to the output end.
2. The charging device of claim 1, wherein the bus circuit comprises a bus switch for connecting two charging modules.
3. The charging device according to claim 2, wherein the number of the bus switches is one less than the number of the at least two charging modules, and one bus switch is provided between adjacent two charging modules.
4. A charging arrangement as claimed in claim 2 or 3, in which the bus switch comprises two contactors, one of which connects the positive poles of two charging modules and the other of which connects the negative poles of two charging modules.
5. A charging arrangement as claimed in claim 2 or 3, in which the bus circuit further comprises a bus switch arranged between the charging module and the charging output.
6. A charging arrangement as claimed in claim 5, in which the bus switch comprises two contactors;
one of the two contactors is connected with the positive pole of the charging module and the charging output end, and the other contactor is connected with the negative pole of the charging module and the charging output end.
7. A charging arrangement as claimed in claim 6, in which the number of charging modules is 4.
8. The charging device according to claim 1, wherein the address management unit is connected to the main control unit through any one of a CAN, RS485, or RS232 bus.
9. The charging device of claim 1, wherein the address management unit is connected to the charging module via a CAN bus.
10. The charging device of claim 1, wherein the main control unit is a single chip microcomputer, and the address management unit is at least two ISO1050 communication chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921233021.2U CN210327074U (en) | 2019-07-31 | 2019-07-31 | Charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921233021.2U CN210327074U (en) | 2019-07-31 | 2019-07-31 | Charging device |
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| CN210327074U true CN210327074U (en) | 2020-04-14 |
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| CN201921233021.2U Active CN210327074U (en) | 2019-07-31 | 2019-07-31 | Charging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114461561A (en) * | 2022-01-28 | 2022-05-10 | 华为数字能源技术有限公司 | Address determination method, address adaptation table generation method and battery replacement cabinet |
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2019
- 2019-07-31 CN CN201921233021.2U patent/CN210327074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114461561A (en) * | 2022-01-28 | 2022-05-10 | 华为数字能源技术有限公司 | Address determination method, address adaptation table generation method and battery replacement cabinet |
| CN114461561B (en) * | 2022-01-28 | 2024-04-09 | 华为数字能源技术有限公司 | Address determination method, address adaptation table generation method and battery exchange cabinet |
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