CN113459869A

CN113459869A - Small-size power station that trades

Info

Publication number: CN113459869A
Application number: CN202110508190.8A
Authority: CN
Inventors: 张旭; 张帅; 王志海; 韩磊; 张志强; 杨全凯
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Jizhi New Energy Automobile Technology Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Jizhi New Energy Automobile Technology Co Ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-10-01

Abstract

The invention discloses a small-sized power conversion station, which comprises a power conversion transfer device, a power conversion unit and a power conversion unit, wherein the power conversion transfer device is of a frame structure; the platform is arranged in the power conversion transfer device and can move up and down along the power conversion transfer device; the multi-layer battery rack is arranged beside the power conversion transfer device; the fire-fighting storage rack is arranged beside the battery rack, and the fire-fighting box is arranged on the fire-fighting storage rack. Through the arrangement, the fire-fighting shelf capable of receiving the thermal runaway battery is arranged in the small-sized battery replacing station, so that the small-sized battery replacing station can handle abnormal battery packs, and other emergency situations such as fire disasters are avoided.

Description

Small-size power station that trades

Technical Field

The invention relates to the field of power distribution of electric automobiles, in particular to a small-sized power changing station.

Background

With the rapid development of society, the shortage of non-renewable energy and environmental pollution have become a problem to be continuously solved. Automobile exhaust emission is an important factor causing serious environmental pollution and enhancing greenhouse effect. The new energy automobile has the advantages of low noise, high energy utilization efficiency, no mobile exhaust emission and the like, so the development of the new energy automobile is in great trend.

Pure electric new energy vehicles (hereinafter referred to as electric vehicles) have been developed to be outstanding in new energy vehicles, and how to effectively supply electric quantity to electric vehicles with insufficient electric quantity also becomes a problem to be solved urgently. At present, a common electric quantity supply mode comprises a charging mode and a battery replacement mode, wherein the charging mode mainly comprises a quick charging mode and a charging pile mode, the quick charging current is large, the service life of a battery is seriously damaged, the charging time of the charging pile is too long, and certain waiting time is needed. The battery replacement mode is replaced by replacement, so that the electricity can be supplemented efficiently, the problems of short service life of the battery and overlong charging time caused by the charging mode are well solved, and the cost for a vehicle owner to purchase the battery is saved.

The existing battery replacement station for providing the battery replacement service generally occupies a large area, needs civil engineering, has low modularization degree, low expansion degree, is inconvenient to transport, has low automation degree, does not have a fire protection system, and cannot process abnormal batteries.

The present invention has been made in view of this situation.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a small-sized power changing station, which aims to process abnormal batteries in the power changing process and solve the problem that the conventional small-sized power changing station does not have fire-fighting equipment.

In order to solve the technical problems, the invention adopts the technical scheme that:

a small-sized power change station comprises a power supply unit,

the power conversion transfer device is of a frame structure;

the platform is arranged in the power conversion transfer device and can move up and down along the power conversion transfer device;

the multi-layer battery rack is arranged beside the power conversion transfer device;

the fire-fighting storage rack is arranged beside the battery rack, and the fire-fighting box is arranged on the fire-fighting storage rack.

Furthermore, the fire-fighting box is of a square structure, a battery inner cavity is formed in the fire-fighting box, and a dry powder fire extinguisher is arranged in the battery inner cavity.

Further, the battery rack is connected with the fire fighting box through a conveying channel, and the conveying channel comprises a roller path formed by a plurality of rollers.

Furthermore, one side of the battery-replacing transfer device can be connected with an AGV trolley, and the AGV trolley comprises a trolley body base, a roller conveying device and a battery unlocking platform; the upper portion of the vehicle body base is provided with a battery unlocking platform, and two ends of the battery unlocking platform are provided with roller conveying devices.

Further, inside elevating system that is provided with of AGV dolly, the elevating system upper end links to each other with battery unblock platform, and the lower extreme links to each other with the automobile body base.

Furthermore, a plurality of rolling shafts are arranged on the platform and are horizontally arranged towards the battery rack.

Further, the battery rack includes four stands, and is provided with a plurality of battery racks, the battery rack is installed and is carried out the electric jar that charges to the battery package.

Further, the electric cylinder is arranged at the top in the battery shelf and can slide along the horizontal and/or vertical direction of the battery shelf.

Further, one side of fire control shelf is provided with the water-cooled generator, the adjacent phase transition cabinet that is provided with of water-cooled generator, water-cooled generator and phase transition cabinet and fire control shelf pile up the setting from top to bottom.

And furthermore, a control cabinet is arranged adjacent to the water cooling machine, and the control cabinet is respectively in electric signal connection with the battery rack, the electricity conversion transfer device, the fire-fighting shelf, the water cooling machine and the phase change cabinet.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. be provided with the fire control shelf that can receive the battery of thermal runaway in small-size power station that trades for the battery package that unusual appears can be handled in small-size power station that trades, avoids appearing other emergency such as conflagration.

2. Be equipped with the phase change cabinet in the small-size power station that trades, utilization spatial layout that can be reasonable improves space utilization, and in addition, the phase change cabinet does not set up and trades the power station outside, but places inside the small-size power station that trades, can reduce cost.

2. The battery replacement station is operated automatically, so that manpower, material resources and financial resources are saved to a great extent, the battery replacement effect is improved, and the waiting time of a vehicle owner is shortened.

3. The small-sized power station is convenient to transport, does not need civil engineering, and can be placed in any place as required; the AGV trolley is adopted to transport the battery, and the transportation is flexible, so that the full-automatic intelligent integrated equipment is realized.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic structural diagram of a small-sized power exchanging station in the embodiment of the invention;

FIG. 2 is a schematic structural diagram of a transfer device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a battery rack according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an AGV cart in an embodiment of the present invention.

Reference numerals in the drawings indicate: 1. the system comprises a power conversion station, 10, a power conversion transfer device, 101, a platform, 102, a lifting device, 20, a battery rack, 201, a transmission roller, 202, an electric cylinder, 203, a battery rack, 40, a phase change cabinet, 50, a water cooling machine, 60, a control cabinet, 70, a fire fighting rack, 80, a battery pack, 90, an AGV trolley, 901, a roller conveying device, 902, a battery unlocking platform, 903 and a vehicle body base.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the present invention relates to a small-sized power conversion station, which includes a battery rack 20, a power conversion transfer device 10, and an AGV cart 90 reciprocating between the battery rack 20 and the power conversion transfer device 10. The AGV cart 90 can move back and forth between the battery rack 20 and the power conversion transfer device 10 to transport the batteries in the electric vehicle back and forth between the electric vehicle and the platform 101.

The power transfer device 10 is of a frame structure, a platform 101 is arranged in the power transfer device 10, the platform 101 can move up and down along the power transfer device 10, a plurality of battery racks 20 capable of holding the battery pack 80 are arranged beside the power transfer device 10, a fire fighting shelf 70 capable of receiving the thermal runaway battery is arranged beside the battery racks 20, and the fire fighting shelf 70 and the battery racks 20 are arranged side by side. Through having set up fire control shelf 70 in small-size power station 1, can effectively avoid can realizing the fire extinguishing of flooding through fire control shelf 70 to unusual battery or the unusual battery package 80 of heat dissipation, avoid appearing naked light or naked light diffusion, can put out the naked light fast to the battery that catches fire, avoid catching fire the battery and shift the in-process and endanger normal battery or circuit.

In the embodiment of the present invention, the fire fighting shelf 70 includes a fire fighting box with a square structure, the fire fighting box is provided with an inner cavity capable of receiving a battery of the electric vehicle, and the fire fighting box is connected with the battery rack 20 through a conveying passage. Through having set up the fire hose beside battery rack 20, shortened the thermal runaway battery and sent to the distance between the fire hose, the thermal runaway battery can directly send to the fire hose that sets up side by side in, avoids the emergence of conflagration, improves the security performance that trades power station 1. Meanwhile, in the embodiment, the fire box can contain a plurality of batteries.

According to an embodiment of the present invention, the fire-fighting shelf 70 is provided with a fire-fighting box having an inner cavity for receiving the battery pack 80 and a door leaf for opening and closing the inner cavity, the inner cavity being at least provided with an automatic dry chemical extinguisher; a battery pack 80 is transported from the battery rack 20 to a location within the interior chamber, and an automatic dry powder fire extinguisher (not shown) may be located at the end of the interior chamber of the fire box adjacent to the end of the transport passageway.

The fire box is enclosed by the casing, and the casing is usually made by the steel sheet, plays certain explosion-proof effect. The switch of the automatic dry powder fire extinguisher is positioned at the outer side of the fire box and can be provided with two gears of manual fire extinguishing and automatic fire extinguishing. According to actual needs, manual fire extinguishing or automatic fire extinguishing can be selected. Preferably, automatic fire extinguishing is selected, so that the operation is simple and convenient. Automatic dry powder extinguishers are already molded products and are commercially available.

In the embodiment of the invention, the battery rack 20 is connected with the fire box through a conveying channel, and the conveying channel conveys the thermal runaway battery on the battery rack 20 into the fire box. In this embodiment, the conveying channel is transported by a roller path composed of a plurality of rollers, and can also be conveyed by a belt.

The conveying channel is connected with a battery frame 20 of the battery replacing station 1 so as to receive batteries for processing. The transfer channel includes a raceway formed by rollers to reduce resistance when the battery is loaded. The entire conveying channel may be formed by rollers arranged side by side in a uniform manner. Preferably, the roller rotates passively, so that batteries can be conveyed without driving mechanisms such as a motor and the like, equipment and space are saved, and the roller is energy-saving and environment-friendly.

Further, the conveying channel also comprises a battery platform for supporting the roller, and the roller is a roller which rotates passively, so that power can be saved.

In the embodiment of the invention, the water cooling machine 50 is further arranged at the upper part of the fire fighting box, the water cooling machine 50 and the fire fighting shelf 70 are arranged in an up-and-down stacking manner, and the water cooling machine 50 can cool the battery in the process of charging the battery by the battery replacement station 1, so that the battery is prevented from being overheated to cause fire.

The battery rack 20 includes four posts, and a multi-layered battery rack 203 is provided inside the battery rack 20 for battery charging. A plurality of battery shelves 203 are disposed up and down along the length direction of the battery shelf 20, and an electric cylinder 202 is installed at each layer of the battery shelves 203 to charge the battery pack 80.

In this embodiment, electric jar 202 can remove along battery shelf 203 level and/or vertical direction to finally find the correct position and charge battery package 80, through set up electric jar 202 on battery shelf 203, can be reasonable utilize the structural space who trades power station 1, improve space utilization, reduce and trade the holistic area occupied of power station 1.

The AGV trolley 90 conveys the battery pack 80 to the power conversion transfer device 10, a control cabinet 60 and a power distribution cabinet are arranged on one side of the battery shelves 203, and an electric cylinder 202 is arranged on each battery shelf 203. The control cabinet 60 regulates and controls the control system of the whole power exchanging station 1, and sends related instructions to corresponding motors respectively by means of related programs to complete the control function; the power distribution cabinet is mainly used for reasonably configuring power supplies of all equipment in the power conversion station 1; the electric cylinder 202 manages and regulates the charging of each battery in the battery rack 203, and at the same time, the water cooler 50 is disposed adjacent to the phase change cabinet 40 and stacked up and down with the fire fighting rack 70. Through 1 inside phase change cabinet 40 that sets up at small-size power station that trades, utilization spatial layout that can be reasonable improves space utilization, and in addition, phase change cabinet 40 is the required power consumption of converting the commercial power of outside into small-size power station, rethread switch board rational distribution. The phase change cabinet 40 is arranged inside the small-sized power conversion station 1, so that the cost can be reduced.

In this embodiment, an air conditioner is further disposed outside the fire-fighting shelf 70, and is used for adjusting the temperature of the whole power station 1.

As shown in fig. 3, the battery rack 20 is further provided with a battery fine positioning device, a transmission roller 201, a mounting bracket, a battery coarse positioning device and an electric cylinder 202. The battery rack 20 is a layered frame type, has high strength, and can bear heavy batteries. The battery fine positioning device and the transmission roller 201 are both arranged in a battery shelf 203 of the battery shelf 20; the sensor is arranged below the battery fine positioning device and can sense the specific position of the battery pack 80, when the battery pack 80 is conveyed to the battery shelf, the sensor transmits sensing information to the battery coarse positioning device, at the moment, the electric cylinder 202 is controlled to horizontally and/or vertically move along the battery shelf 203, the position of the battery pack 80 corresponding to charging is found, the battery pack 80 is clamped between the electric cylinder 202 and the battery shelf 203, and the battery pack 80 is charged.

As shown in fig. 4, the power transfer apparatus 10 includes a frame and a platform 101. A platform 101 is arranged in the frame, and the platform 101 can lift along the frame; the frame is provided with a lifting device 102, and the platform 101 can move up and down on the frame through the lifting device 102. The transfer apparatus 10 plays an auxiliary role, mainly for the purpose of allowing the battery pack 80 to enter and exit from the battery racks 20 of different rows and each battery rack 203 with different heights.

The lifting device 102 is a chain wheel and chain mechanism, and the platform 101 drives the chain wheel and chain mechanism to move along the frame through a motor, so that the platform 101 moves up and down. The platform 101 is provided with rollers which are horizontally arranged towards the battery rack 20 and mainly driven by a motor to rotate, and the motor is placed under the allowance of space; the roller mainly is used for carrying battery package 80, and after AGV dolly 90 docks the low-voltage battery for platform 101, platform 101 makes the roller roll again through height adjustment and just charges battery package 80 with battery package 80 conveying battery frame 20's corresponding position, realizes the butt joint of insufficient battery.

As shown in fig. 1 and 4, the AGV cart 90 includes a body mount 903, a roller conveyor 901, and a battery unlock platform 902. A battery unlocking platform 902 is arranged on the upper portion of the vehicle body base 903, and roller conveying devices 901 are arranged at two ends of the battery unlocking platform 902. Inside elevating system that is provided with of AGV dolly 90, the elevating system upper end links to each other with battery unblock platform 902, and the lower extreme links to each other with automobile body base 903. The AGV trolley 90 replaces the traditional stacker form, is small and flexible, can move in two directions, and mainly plays a role in transferring the device 10 from the transportation of the deficient or full batteries to the battery replacement, so that the purpose of replacing the batteries for the battery automobile is achieved. The specific movement process is as follows: when an electric automobile enters the battery replacing station 1, the battery replacing station is ready to be continued, the AGV trolley 90 moves to the position below the battery replacing station firstly, the battery pack 80 to be replaced is conveyed to the corresponding connection position of the battery replacing transfer device 10, the battery pack 80 is unlocked through the battery unlocking platform 902 and the battery pack 80 is taken down, the battery pack 80 is conveyed to the platform 101 through the roller conveying device 901, the platform 101 conveys a power-deficient battery to the battery rack 20 through the roller for charging, when the power-deficient battery is conveyed to the platform 101, the AGV trolley 90 is then butted to a full-charge battery from the platform 101, then the full-charge battery is replaced for the electric automobile through reverse action, and the AGV trolley 90 returns to the initial position again.

The battery replacing process of the battery replacing station 1 is as follows:

firstly, the whole power conversion station 1 is powered on and started, the electric automobile enters a warehouse, the electric automobile enters a power conversion station of the power conversion transfer device 10, the electric automobile is positioned and lifted by the electric automobile positioning device and the electric automobile lifting device, and the electric automobile enters a preparation state. An AGV trolley 90 beside a power conversion transfer device 10 moves to a power conversion station to take out a power-deficient battery and then moves to a butt joint of the power conversion transfer device 10, the power-deficient battery is conveyed to a platform 101 through a roller conveying device 901, then the height of the AGV trolley 90 is adjusted through the power conversion transfer device 10 or the AGV trolley 10, the AGV trolley 90 is in butt joint with a full-charge battery in a temporary storage position of the platform 101, at the moment, the AGV trolley 90 moves to the power conversion station again to change the full-charge battery for an electric automobile, meanwhile, the platform 101 in a frame conveys a battery pack 80 to a vacant battery shelf 203 position of the battery shelf 20 through a rolling shaft, the platform 101 moves to a corresponding battery shelf 203 position, a rotating transmission roller 201 is arranged at the butt joint of the battery shelf 203, the battery stably enters the battery shelf 203 through the transmission roller 201, after the battery is stabilized, an electric cylinder 202 on the battery shelf 203 starts to move, the battery pack 80 is clamped between the electric cylinder 202 and the battery shelf 203, charging of the battery pack 80 is started.

And then the AGV trolley 90 returns to the initial position, the electric automobile drives away from the power exchanging station 1, and the electric automobile lifting device and the electric automobile positioning device reset.

The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and although the present invention has been disclosed by the preferred embodiment, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications to the equivalent embodiment without departing from the scope of the present invention.

Claims

1. A small-size power station that trades, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the power conversion transfer device (10) is of a frame structure;

the platform (101) is arranged in the power conversion transfer device (10) and can move up and down along the power conversion transfer device (10);

the multi-layer battery rack (20) is arranged beside the power conversion transfer device (10);

the fire-fighting rack (70) is arranged beside the battery rack (20), and a fire-fighting box is arranged on the fire-fighting rack (70).

2. A small-scale power conversion station as defined in claim 1, wherein: the fire-fighting box is of a square structure, a battery inner cavity is formed in the fire-fighting box, and a dry powder fire extinguisher is arranged in the battery inner cavity.

3. A small-scale power conversion station as defined in claim 2, wherein: the battery rack (20) is connected with the fire box through a conveying channel, and the conveying channel comprises a plurality of roller paths formed by rollers.

4. A small-scale power conversion station according to any one of claims 1 to 3, characterized in that: one side of the power conversion transfer device (10) can be connected with an AGV trolley (90), and the AGV trolley (90) comprises a trolley body base (903), a roller conveying device (901) and a battery unlocking platform (902); a battery unlocking platform (902) is arranged on the upper portion of the vehicle body base (903), and roller conveying devices (901) are arranged at two ends of the battery unlocking platform (902).

5. A small-sized power conversion station as claimed in claim 4, wherein: inside elevating system that is provided with of AGV dolly (90), the elevating system upper end links to each other with battery unblock platform (902), and the lower extreme links to each other with automobile body base (903).

6. A small-scale power conversion station according to any one of claims 1 to 3, characterized in that: the platform (101) is provided with a plurality of rollers, and the rollers are horizontally arranged towards the battery rack (20).

7. A small-scale power conversion station according to any one of claims 1 to 3, characterized in that: the battery rack (20) comprises four upright posts and is provided with a plurality of battery racks (203), and the battery racks (203) are provided with electric cylinders (202) capable of charging the battery packs (80).

8. A small-scale power conversion station as defined in claim 7, wherein: the electric cylinder (202) is arranged at the top in the battery shelf (203) and can slide along the horizontal and/or vertical direction of the battery shelf (203).

9. A small-scale power conversion station as claimed in claim 1, wherein: one side of the fire-fighting shelf (70) is provided with a water cooling machine (50), the water cooling machine (50) is adjacently provided with a phase change cabinet (40), and the water cooling machine (50), the phase change cabinet (40) and the fire-fighting shelf (70) are stacked up and down.

10. A small swapping station as in claim 9, wherein: and a control cabinet (60) is arranged adjacent to the water cooling machine (50), and the control cabinet (60) is respectively in electric signal connection with the battery rack (20), the power conversion transfer device (10), the fire fighting shelf (70), the water cooling machine (50) and the phase change cabinet (40).