Separated charging device

Abstract

The utility model relates to the technical field of new energy automobile charging, in particular to a separated charging device which comprises a charging robot and a charging gun which are arranged in a separated mode. The charging gun comprises a charging gun body and a first interface; the charging robot comprises a charging robot body, a second interface, a processing module, a charging and discharging control module and a battery module, the charging and discharging control module and the second interface are both connected with the processing module, the charging and discharging control module is connected with the battery module, and the charging and discharging control module is further connected with the second interface; when the electric automobile is charged, one end of the first interface is connected with a charging port of the electric automobile, and the other end of the first interface is connected with the second interface. According to the separated charging device, the charging gun and the charging robot are separately arranged, and the charging robot can be matched with different types of charging guns through the connector, so that the cost of the charging device is reduced, the structure is simple, and the charging and discharging of an electric automobile are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle charging, in particular to a separate charging device. Background Art

[0002] Electric vehicles have occupied a large market with their convenience, stability and low cost, thus becoming one of the most common means of transportation. At present, the charging method of electric vehicles used in the market is mainly wired charging, but the conventional wired charging method has many shortcomings. Charging stations need to lay power cables, and the electric vehicles are charged by connecting the charging devices of electric vehicles through wires. In bad weather, outdoor charging cannot be realized, and the entire charging process requires manual operation and cannot be automated. The research on wireless charging methods for electric vehicles has always been the focus of various electric vehicle researchers in the industry. At present, the wireless charging method of electric vehicles connects the charging gun to the electric vehicle, and charges the electric vehicle through the energy storage battery set in the charging device. The charging gun is integrated in the charging device without a separate setting. There are many types of existing energy vehicles, and one charging device needs to be equipped with different charging guns, and the cost of the charging device is high. Utility Model Content

[0003] The technical problem to be solved by the present invention is: in order to solve the technical problem of high cost of charging devices in the prior art, the present invention provides a separate charging device, in which the charging gun and the charging robot are separately arranged. The charging robot can be matched with different types of charging guns through a connector, thereby reducing the cost of the charging device, having a simple structure, and being convenient for charging and discharging of electric vehicles.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a separate charging device, including: a charging robot and a charging gun,

[0005] The charging robot and the charging gun are arranged separately;

[0006] The charging gun comprises: a charging gun body and a first interface;

[0007] The charging robot comprises: a charging robot body, a second interface, a processing module, a charge and discharge control module and a battery module, wherein the charge and discharge control module and the second interface are both connected to the processing module, the charge and discharge control module is connected to the battery module, and the charge and discharge control module is also connected to the second interface;

[0008] When the electric vehicle is charged, one end of the first interface is connected to the charging port of the electric vehicle, and the other end of the first interface is connected to the second interface.

[0009] Further, specifically, the charging robot also includes a power management module, and the processing module, the charge and discharge control module and the battery module are all connected to the power management module;

[0010] The power management module includes a positive electrode of a power supply end and a negative electrode of a power supply end.

[0011] Further, specifically, the charge and discharge control module includes: four groups of contactors and two groups of relays;

[0012] The four groups of contactors are respectively a first discharge contactor, a second discharge contactor, a first charging contactor, and a second charging contactor;

[0013] The two groups of relays are the first relay and the second relay;

[0014] One end of the normally open switch of the first discharge contactor and one end of the normally open switch of the first charging contactor are both connected to the positive terminal of the battery module;

[0015] The other end of the normally open switch of the first discharging contactor and the other end of the normally open switch of the first charging contactor are both connected to the first port of the second interface;

[0016] One end of the normally open switch of the second discharging contactor and one end of the normally open switch of the second charging contactor are both connected to the negative terminal of the battery module;

[0017] The other end of the normally open switch of the second discharging contactor and the other end of the normally open switch of the second charging contactor are both connected to the second port of the second interface;

[0018] One end of the normally open switch of the first relay and one end of the normally open switch of the second relay are both connected to the positive electrode of the power supply end;

[0019] One end of the coil of the first discharge contactor and one end of the coil of the second discharge contactor are both connected to the other end of the normally open switch of the first relay;

[0020] The other end of the normally open switch of the second relay is connected to one end of the normally closed switch of the first relay;

[0021] One end of the coil of the first charging contactor and one end of the coil of the second charging contactor are both connected to the other end of the normally closed switch of the first relay;

[0022] The other end of the coil of the first discharge contactor, the other end of the coil of the second discharge contactor, the other end of the coil of the first charging contactor and the other end of the coil of the second charging contactor are all connected to the negative pole of the power supply end.

[0023] Further, specifically, the battery module includes at least one group of lithium-ion battery cells.

[0024] Further, specifically, the processing module includes a control unit, and the coil of the first relay and the coil of the second relay are both connected to the control unit.

[0025] Further, specifically, the processing module also includes: a detection unit, and the control unit and the charge and discharge control module are both connected to the detection unit.

[0026] Further, specifically, the charging robot also includes an electric meter and a display module, and both the electric meter and the display module are connected to the detection unit.

[0027] The utility model has the beneficial effect that the separate charging device of the utility model separates the charging gun from the charging robot, and the charging robot can match different types of charging guns through the first interface, thereby reducing the cost of the charging device, having a simple structure, and facilitating the charging and discharging of the electric vehicle. In addition, the safety of the electric vehicle during charging is also improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0029] Figure 1 It is a schematic diagram of the device structure of the optimal embodiment of the utility model.

[0030] Figure 2 It is a detailed structural diagram of a charging robot according to the optimal embodiment of the utility model.

[0031] Figure 3 It is a schematic diagram of a charge and discharge control module of the optimal embodiment of the utility model.

[0032] In the figure, 1 is a charging robot; 2 is a charging gun; 11 is a charging robot body; 12 is a second interface; 13 is a processing module; 14 is a charge and discharge control module; 15 is a battery module; 16 is a power management module; 17 is an electric meter; 18 is a display module; 131 is a control unit; 132 is a detection unit; 21 is a charging gun body; 22 is a first interface. DETAILED DESCRIPTION

[0033] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0034] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] like Figure 1-2 As shown, it is the best embodiment of the utility model, a separate charging device, including: a charging robot 1 and a charging gun 2, the charging robot 1 and the charging gun 2 are separately arranged; the charging gun 2 includes: a charging gun body 21 and a first interface 22; the charging robot 1 includes: a charging robot body 11, a second interface 12, a processing module 13, a charge and discharge control module 14 and a battery module 15, the charge and discharge control module 14 and the second interface 12 are both connected to the processing module 13, the charge and discharge control module 14 is connected to the battery module 15, and the charge and discharge control module 14 is also connected to the second interface 12; when the electric vehicle is charged, one end of the first interface 22 is connected to the charging port of the electric vehicle, and the other end of the first interface 22 is connected to the second interface 12. The charging gun 2 is separated from the charging robot 1, and the charging robot 1 can match different types of charging guns 2 through the first interface 22, which reduces the cost of the charging device, has a simple structure, and is convenient for the charging and discharging of the electric vehicle. In addition, the charging robot 1 also charges the battery module 15 through the first interface 22.

[0037] In the embodiment, the charging robot 1 further includes a power management module 16, and the processing module 13, the charge and discharge control module 14 and the battery module 15 are all connected to the power management module 16; the power management module 16 includes a positive electrode of the power supply end and a negative electrode of the power supply end. The power management module 16 is connected to the battery module 15, and is used to convert the power signal of the battery module 15 and provide working voltage to the processing module 13 and the charging control module.

[0038] In an embodiment, Figure 3 As shown, the charge and discharge control module 14 includes: four groups of contactors and two groups of relays; the four groups of contactors are respectively a first discharge contactor KM1, a second discharge contactor KM3, a first charging contactor KM2 and a second charging contactor KM4; the two groups of relays are respectively a first relay KA1 and a second relay KA2; one end of the normally open switch of the first discharge contactor KM1 and one end of the normally open switch of the first charging contactor KM2 are both connected to the positive terminal of the battery module 15; the other end of the normally open switch of the first discharge contactor KM1 and the other end of the normally open switch of the first charging contactor KM2 are both connected to the first port of the second interface 12; one end of the normally open switch of the second discharge contactor KM3 and one end of the normally open switch of the second charging contactor KM4 are both connected to the negative terminal of the battery module 15; the other end of the normally open switch of the second discharge contactor KM3 and the normally open switch of the second charging contactor KM4 are both connected to the negative terminal of the battery module 15 The other end of the normally open switch is connected to the second port of the second interface 12; one end of the normally open switch of the first relay KA1 and one end of the normally open switch of the second relay KA2 are connected to the positive pole of the power supply end; one end of the coil of the first discharge contactor KM1 and one end of the coil of the second discharge contactor KM3 are connected to the other end of the normally open switch of the first relay KA1; the other end of the normally open switch of the second relay KA2 is connected to one end of the normally closed switch of the first relay KA1; one end of the coil of the first charging contactor KM2 and one end of the coil of the second charging contactor KM4 are connected to the other end of the normally closed switch of the first relay KA1; the other end of the coil of the first discharge contactor KM1, the other end of the coil of the second discharge contactor KM3, the other end of the coil of the first charging contactor KM2 and the other end of the coil of the second charging contactor KM4 are connected to the negative pole of the power supply end.

[0039] When charging the electric vehicle, that is, when the battery module 15 discharges, one end of the first interface 22 is connected to the charging port of the electric vehicle, and the other end of the first interface 22 is connected to the second interface 12. After the connection, the processing module 13 sends a first instruction. At this time, the coil of the first relay KA1 is energized, the normally open switch of the first relay KA1 is closed, and the normally closed switch is disconnected. The coil of the first discharge contactor KM1 and the coil of the second discharge contactor KM3 are energized, thereby making the normally open switches of the first discharge contactor KM1 and the second discharge contactor KM3 closed. The battery module 15 charges the electric vehicle through the first interface 22 and the second interface 12. In addition, during the charging process of the electric vehicle, since the normally closed switch of the first relay KA1 is disconnected, it is ensured that the branches of the coils of the first charging contactor KM2 and the second charging contactor KM4 are always in a disconnected state, thereby improving the safety of the charging process of the electric vehicle.

[0040] When the battery module 15 is charged, it is connected to the AC power through the second interface 12. After the connection, the processing module 13 sends a second instruction. At this time, the coil of the second relay KA2 is energized, the normally open switch of the second relay KA2 is closed, the coil of the first charging contactor KM2 and the coil of the second charging contactor KM4 are energized, and then the normally open switch of the first charging contactor KM2 and the normally open switch of the second charging contactor KM4 are closed, and the AC power charges the battery module 15 through the second interface 12.

[0041] In an embodiment, the battery module 15 includes at least one group of lithium-ion battery cells.

[0042] In the embodiment, the processing module 13 includes a control unit 131; the coil of the first relay KA1 and the coil of the second relay KA2 are both connected to the control unit 131, and the first instruction and the second instruction are respectively transmitted through the control unit 131. Based on the first instruction, the coil of the first relay KA1 is energized, thereby controlling the battery module 15 to discharge and charge the electric vehicle. Based on the second instruction, the coil of the second relay KA2 is energized, thereby controlling the battery module 15 and charging the battery module 15.

[0043] In the embodiment, the processing module 13 further includes: a detection unit 132, and the control unit 131 and the charge and discharge control module 14 are both connected to the detection unit 132. The control unit 131 also transmits the first instruction and the second instruction to the detection unit 132, and the detection unit 132 collects the signal of the discharge contactor or the charging contactor corresponding to the charge and discharge control module 14, and determines whether the discharge contactor or the charging contactor executes the corresponding first instruction or the second instruction.

[0044] In the embodiment, the charging robot 1 further includes an electric meter 17 and a display module 18; both the electric meter 17 and the display module 18 are connected to the detection unit 132. The electric meter 17 is used to collect the power of the electric vehicle and transmit it to the detection unit 132, and the detection unit 132 processes the power signal and displays it through the display module 18.

[0045] In summary, the charging gun 2 is separated from the charging robot 1, and the charging robot 1 can match different types of charging guns 2 through the first interface 22, which reduces the cost of the charging device, has a simple structure, and is convenient for charging and discharging of electric vehicles. In addition, the safety of the electric vehicle charging process is also improved.

[0046] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A separate charging device, characterized in that: include: A charging robot (1) and a charging gun (2), wherein the charging robot (1) and the charging gun (2) are arranged separately; The charging gun (2) comprises: a charging gun body (21) and a first interface (22); The charging robot (1) comprises: a charging robot body (11), a second interface (12), a processing module (13), a charge and discharge control module (14) and a battery module (15); the charge and discharge control module (14) and the second interface (12) are both connected to the processing module (13); the charge and discharge control module (14) is connected to the battery module (15); and the charge and discharge control module (14) is also connected to the second interface (12); When the electric vehicle is charged, one end of the first interface (22) is connected to the charging port of the electric vehicle, and the other end of the first interface (22) is connected to the second interface (12).

2. The separate charging device according to claim 1, characterized in that: The charging robot (1) further comprises a power management module (16), and the processing module (13), the charge and discharge control module (14) and the battery module (15) are all connected to the power management module (16); The power management module (16) comprises a positive pole of a power supply end and a negative pole of a power supply end.

3. The separate charging device according to claim 2, characterized in that: The charge and discharge control module (14) comprises: four groups of contactors and two groups of relays; The four groups of contactors are respectively a first discharge contactor, a second discharge contactor, a first charging contactor, and a second charging contactor; The two groups of relays are the first relay and the second relay; One end of the normally open switch of the first discharge contactor and one end of the normally open switch of the first charging contactor are both connected to the positive terminal of the battery module (15); The other end of the normally open switch of the first discharging contactor and the other end of the normally open switch of the first charging contactor are both connected to the first port of the second interface (12); One end of the normally open switch of the second discharge contactor and one end of the normally open switch of the second charging contactor are both connected to the negative terminal of the battery module (15); The other end of the normally open switch of the second discharging contactor and the other end of the normally open switch of the second charging contactor are both connected to the second port of the second interface (12); One end of the normally open switch of the first relay and one end of the normally open switch of the second relay are both connected to the positive electrode of the power supply end; One end of the coil of the first discharge contactor and one end of the coil of the second discharge contactor are both connected to the other end of the normally open switch of the first relay; The other end of the normally open switch of the second relay is connected to one end of the normally closed switch of the first relay; One end of the coil of the first charging contactor and one end of the coil of the second charging contactor are both connected to the other end of the normally closed switch of the first relay; The other end of the coil of the first discharge contactor, the other end of the coil of the second discharge contactor, the other end of the coil of the first charging contactor and the other end of the coil of the second charging contactor are all connected to the negative pole of the power supply end.

4. The separate charging device according to claim 1, characterized in that: The battery module (15) includes at least one group of lithium-ion battery cells.

5. The separate charging device according to claim 3, characterized in that: The processing module (13) comprises a control unit (131), and the coil of the first relay and the coil of the second relay are both connected to the control unit (131).

6. The separate charging device according to claim 5, characterized in that: The processing module (13) further comprises: a detection unit (132), and the control unit (131) and the charge and discharge control module (14) are both connected to the detection unit (132).

7. The separate charging device according to claim 6, characterized in that: The charging robot (1) further comprises an electric meter (17) and a display module (18), and both the electric meter (17) and the display module (18) are connected to the detection unit (132).

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