Battery replacement type energy storage charging system

Abstract

The utility model discloses a battery replacement type energy storage charging system which comprises a bottom support, a battery box, a charger and a charging gun, the bottom support is provided with a battery seat part and a charging seat part, the battery box is detachably arranged on the battery seat part, the charger is arranged on the charging seat part, a first DC / DC module is arranged in the charger, and a second DC / DC module is arranged in the charging gun. The input end of the first DC / DC module is electrically connected to the battery box, the charging gun is connected to the charger, and the charging gun is electrically connected to the output end of the first DC / DC module in the charger. According to the battery replacement type energy storage charging system, when the battery box is lack of electricity, the battery box can be replaced, and the problems that the battery box needs to be charged in the charging peak period, and external charging cannot be conducted for a long time are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of charging, and in particular to a battery-replaceable energy storage charging system. Background Art

[0002] Traditional charging piles often require a large power capacity, and high-power charging piles impose a large load on the power grid. Existing energy storage charging piles mainly rely on the power released by energy storage batteries to charge electric vehicles. The charging piles need to be configured with the corresponding power in advance. After the energy storage battery is used up, the battery needs to be charged. The energy storage battery cannot be used during the charging stage, which makes the charging pile unavailable for a long time.

[0003] In view of this, the present utility model is proposed. Utility Model Content

[0004] The utility model provides a battery-replaceable energy storage and charging system.

[0005] The utility model adopts the following technical solutions:

[0006] The utility model provides a battery-replaceable energy storage and charging system, comprising:

[0007] A base having a battery seat and a charging seat;

[0008] A battery box, the battery box being detachably disposed on the battery seat;

[0009] A charger, the charger is arranged on the charging seat, a first DC / DC module is arranged in the charger, and an input end of the first DC / DC module is electrically connected to the battery box;

[0010] A charging gun, wherein the charging gun is connected to the charger, and the charging gun is electrically connected to an output end of a first DC / DC module in the charger.

[0011] Optionally, a first electrical connector is provided on the battery seat, and the first electrical connector is electrically connected to an input end of a first DC / DC module on the charger;

[0012] A second electrical connector is provided on the battery box;

[0013] When the battery box is installed on the battery seat, the second electrical connector of the battery box is electrically connected to the first electrical connector on the base.

[0014] Optionally, the base includes at least two charging seats, each of which is arranged in sequence around the circumference of the battery seat, and each of the charging seats is used to install a charger.

[0015] Optionally, the base includes two charging seats, the two charging seats are arranged on both sides of the battery seat, and chargers are respectively arranged on the two charging seats.

[0016] Optionally, the battery seat has a plurality of guide seats, each of which extends in a direction perpendicular to the battery seat;

[0017] When the battery box is supported on the battery seat, each of the guide seats and the battery box is limitedly matched.

[0018] Optionally, the battery-replaceable energy storage and charging system comprises a locking device, the locking device being arranged on the guide seat, the locking device having a telescopic shaft;

[0019] When the battery box is installed in the battery seat, the telescopic shaft can extend in a direction perpendicular to the guide seat to limit the battery box in the height direction of the guide seat.

[0020] Optionally, the battery-replaceable energy storage charging system includes a PCS module and a second DC / DC module, the PCS module and the second DC / DC module are both arranged in the charger, the charger has a grid interface, the PCS module is connected to the grid interface, the PCS module is electrically connected to the second DC / DC module, and the second DC / DC module is electrically connected to the charging gun.

[0021] Optionally, the first DC / DC module is electrically connected to the PCS module.

[0022] Optionally, the base has a bottom frame and a battery seat;

[0023] The battery seat is connected to the bottom frame, and the battery seat extends out from both sides of the bottom frame to form the charging seat;

[0024] The battery seat and a portion of the bottom frame constitute at least a portion of the battery seat portion, and the first electrical connector is disposed on the battery seat.

[0025] Optionally, the battery box has a hoisting fitting portion or a forklift fitting portion.

[0026] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are part of this application and are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute an improper limitation on the utility model. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0028] Figure 1 A front view of a battery-replaceable energy storage and charging system provided in an embodiment of the present application is shown;

[0029] Figure 2 A three-dimensional perspective view of a battery-replaceable energy storage and charging system provided in an embodiment of the present application is shown;

[0030] Figure 3 A bottom view of a battery box provided in an embodiment of the present application is shown;

[0031] Figure 4 A schematic diagram of the structure of a battery box installed on a battery-replaceable energy storage and charging system provided in an embodiment of the present application is shown;

[0032] Figure 5 A schematic diagram showing the principle of a battery-replaceable energy storage and charging system provided in an embodiment of the present application is shown.

[0033] In the figure: 1, base; 1a, bottom frame; 1b, battery holder; 11, battery holder; 111, first electrical connector; 112, guide seat; 12, charging seat; 2, battery box; 21, second electrical connector; 3, charger; 4, charging gun.

[0034] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0036] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] See also Figures 1 to 5 As shown, the utility model provides a battery-replaceable energy storage charging system, including: a base 1, a battery box 2, a charger 3 and a charging gun 4. The base 1 has a battery seat 11 and a charging seat 12, the battery box 2 is detachably arranged on the battery seat 11, the charger 3 is arranged on the charging seat 12, a first DC / DC module is arranged in the charger 3, the input end of the first DC / DC module is electrically connected to the battery box 2, the charging gun 4 is connected to the charger 3, and the charging gun 4 is electrically connected to the output end of the first DC / DC module in the charger 3. The battery box can charge the driven vehicle after voltage conversion by the first DC / DC module. It should be noted that in the present application, the charging gun 4 can also include a second DC / DC module, and the second DC / DC module is respectively connected to the first DC / DC module and the charging gun.

[0039] The battery-replaceable energy storage and charging system of the present application can replace the battery box 2 when the battery box 2 is low on power, thereby avoiding the problem of having to charge the battery box 2 during the peak charging period and being unable to charge externally for a long time.

[0040] In some possible implementations, a first electrical connector 111 is provided on the battery seat 11, and the first electrical connector 111 is electrically connected to the input end of the first DC / DC module on the charger 3. A second electrical connector 21 is provided on the battery box 2, and when the battery box 2 is installed in the battery seat 11, the second electrical connector 21 of the battery box 2 is electrically connected to the first electrical connector 111 on the base 1.

[0041] The battery box 2 performs energy conversion through the first DC / DC module, and transmits the electric energy of the battery box 2 to the electric vehicle battery to charge the electric car washer.

[0042] In some possible implementations, the base 1 includes at least two charging seats 12 , each of which is arranged in sequence around the circumference of the battery seat 11 , and each of the charging seats 12 is used to install the charger 3 .

[0043] The battery box 2 is detachably disposed on the battery seat 11 , and the plurality of chargers 3 can be electrically connected to the battery box 2 . The plurality of chargers 3 share one battery box 2 , and can charge a plurality of electric vehicles at the same time.

[0044] In some possible implementations, see Figure 1 and Figure 2 As shown, the base 1 may include two charging seats 12, which are disposed on both sides of the battery seat 11, and the two charging seats 12 are respectively provided with chargers 3. The two charging seats 12 are provided with chargers 3, and a space for accommodating the battery box 2 is formed between the two chargers 3.

[0045] In some possible embodiments, the battery seat 11 has a plurality of guide seats 112, each of the guide seats 112 extends in a direction perpendicular to the battery seat 11, and when the battery box 2 is supported on the battery seat 11, each of the guide seats 112 and the battery box 2 are limitedly matched.

[0046] A guide slope is arranged on the top of the guide seat 112. When the battery box 2 is seated downward on the battery seat 11, the guide seat 112 plays a guiding role, which is conducive to the battery box 2 being accurately seated on the base 1. A plurality of guide seats 112 can be arranged on the battery seat 11, and each guide seat 112 can be arranged in sequence along the peripheral edge of the battery seat 11. A limiting matching frame is arranged at the bottom of the battery box 2. When the battery box 2 is seated downward, the limiting matching frame can be seated smoothly under the guidance of the slopes of each guide seat 112.

[0047] In some possible implementations, the battery-replaceable energy storage and charging system includes a locking device, which is arranged on the guide seat 112. The locking device has a telescopic axis. When the battery box 2 is loaded into the battery seat 11, the telescopic axis can extend in a direction perpendicular to the guide seat 112 to limit the battery box 2 in the height direction of the guide seat 112.

[0048] The locking device may include an electric push rod, a through slot may be provided on the guide seat 112, the telescopic shaft may be slidably provided in the through slot, the electric push rod is connected to the telescopic shaft, and the electric push rod can drive the telescopic shaft to slide along the through slot to extend out of the through slot and be limited on the position-limiting matching frame to lock the battery box 2. The electric push rod can also drive the telescopic shaft to retract to move away from the position-limiting matching frame to unlock the battery box 2.

[0049] In some possible implementations, see Figure 5As shown, the battery-replaceable energy storage charging system includes a PCS module and a second DC / DC module, the PCS module and the second DC / DC module are both arranged in the charger 3, the charger 3 has a grid interface, the PCS module is connected to the grid interface, the PCS module is electrically connected to the second DC / DC module, and the second DC / DC module is electrically connected to the charging gun 4.

[0050] The PCS module can convert the grid power into direct current, and then convert it into a suitable voltage through the second DC / DC module to facilitate the charging of the electric vehicle by the charging gun 4. The PCS module can also be electrically connected to the first DC / DC module, and the direct current discharged by the battery box 2 can be transformed by the first DC / DC module, and then further converted into alternating current through the PCS module, and fed back to the grid to perform peak shaving and valley filling and peak frequency regulation.

[0051] The first DC / DC module is electrically connected to the PCS module. The PCS module converts the AC power of the grid power into DC power, and converts the DC voltage corresponding to the battery box 2 through the first DC / DC module to charge the battery box 2.

[0052] In some possible implementations, see Figure 2 As shown, the base 1 has a bottom frame 1a and a battery seat 1b, the battery seat 1b is connected to the bottom frame 1a, the battery seat 1b extends out from both sides of the bottom frame 1a to form the charging seat part 12, the battery seat 1b and part of the bottom frame 1a constitute at least part of the battery seat part 11, and the first electrical connector 111 is arranged on the battery seat 1b.

[0053] In some possible embodiments, the battery box 2 has a lifting fitting portion that can be conveniently lifted and transported to the battery seat 11 by a lifting device or the battery box 2 on the battery seat 11 can be lifted off the battery seat 11. The battery box 2 can also be provided with a forklift fitting portion, which can facilitate the transportation of the battery box 2 by a forklift. The lifting fitting portion can be a lifting ring provided on the top of the battery box. The forklift fitting portion can be a frame provided on the top or bottom of the battery box that is suitable for forklift insertion.

[0054] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A battery-replaceable energy storage and charging system, characterized in that: include: A base having a battery seat and a charging seat; A battery box, the battery box being detachably disposed on the battery seat; A charger, the charger is arranged on the charging seat, a first DC / DC module is arranged in the charger, and an input end of the first DC / DC module is electrically connected to the battery box; A charging gun, wherein the charging gun is connected to the charger, and the charging gun is electrically connected to an output end of a first DC / DC module in the charger.

2. The battery-replaceable energy storage and charging system according to claim 1, characterized in that: A first electrical connector is disposed on the battery seat, and the first electrical connector is electrically connected to an input end of a first DC / DC module on the charger; A second electrical connector is provided on the battery box; When the battery box is installed on the battery seat, the second electrical connector of the battery box is electrically connected to the first electrical connector on the base.

3. The battery-replaceable energy storage and charging system according to claim 2, characterized in that: The base includes at least two charging seats, each of which is arranged in sequence around the circumference of the battery seat, and each of the charging seats is used to install a charger.

4. The battery-replaceable energy storage and charging system according to claim 3, characterized in that: The base includes two charging seats, which are arranged on both sides of the battery seat, and chargers are respectively arranged on the two charging seats.

5. The battery-replaceable energy storage and charging system according to any one of claims 1 to 4, characterized in that: The battery seat has a plurality of guide seats, each of which extends in a direction perpendicular to the battery seat; When the battery box is supported on the battery seat, each of the guide seats and the battery box is limitedly matched.

6. The battery-replaceable energy storage and charging system according to claim 5, characterized in that: It comprises a locking device, which is arranged on the guide seat and has a telescopic shaft; When the battery box is installed in the battery seat, the telescopic shaft can extend in a direction perpendicular to the guide seat to limit the battery box in the height direction of the guide seat.

7. The battery-replaceable energy storage and charging system according to any one of claims 2 to 4, characterized in that: It includes a PCS module and a second DC / DC module, both of which are arranged in the charger, the charger has a power grid interface, the PCS module is connected to the power grid interface, the PCS module is electrically connected to the second DC / DC module, and the second DC / DC module is electrically connected to the charging gun.

8. The battery-replaceable energy storage and charging system according to claim 7, characterized in that: The first DC / DC module is electrically connected to the PCS module.

9. The battery-replaceable energy storage and charging system according to any one of claims 2 to 4, characterized in that: The base has a bottom frame and a battery seat; The battery seat is connected to the bottom frame, and the battery seat extends out from both sides of the bottom frame to form the charging seat; The battery seat and a portion of the bottom frame constitute at least a portion of the battery seat portion, and the first electrical connector is disposed on the battery seat.

10. The battery-replaceable energy storage and charging system according to any one of claims 1 to 4, characterized in that: The battery box has a hoisting fitting portion or a forklift fitting portion.

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