CN113844320B

CN113844320B - Novel power conversion equipment and power conversion method thereof

Info

Publication number: CN113844320B
Application number: CN202110978182.XA
Authority: CN
Inventors: 蔡宁; 郭鹏; 李冠华; 栓柱
Original assignee: Shanghai Ronghe Zhidian New Energy Co ltd; Shanghai Qiyuan Core Power Technology Co ltd
Current assignee: Shanghai Qiyuan Core Power Technology Co ltd; Shanghai Ronghe Zhidian New Energy Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2023-09-22
Anticipated expiration: 2041-08-25
Also published as: CN113844320A

Abstract

The application discloses a novel power conversion device and a power conversion method thereof, wherein the power conversion device comprises: the traction vehicle comprises a traction vehicle head, a power conversion platform, a plurality of supports and a power conversion mechanism. The level changing platform comprises a first platform, a second platform and an intermediate connector connected with the first platform and the second platform, wherein the intermediate connector is detachably connected with the first platform and the second platform respectively, and the first platform is connected with the traction vehicle head. Each shoe is arranged on the first platform and/or the second platform, and the shoe is used for installing a battery box. The switching mechanism is arranged on the first platform and/or the second platform. And under the state that the intermediate connector is detached, a power conversion channel for the electric machine to enter is formed between the first platform and the second platform. The novel power conversion equipment provided by the application realizes rapid energy source supplement to electric machinery such as electric vehicles, electric engineering equipment and the like by utilizing an automobile equipment technology and a control technology.

Description

Novel power conversion equipment and power conversion method thereof

Technical Field

The application relates to the technical field of new energy, in particular to novel power conversion equipment and a power conversion method thereof.

Background

The energy supply of electric equipment in the current market is mostly realized in two ways: the first mode is a charging mode, and charging is carried out through a charging pile, so that energy supply is achieved. The second mode is a power exchange mode of a power exchange station, and energy supply is realized through a building power exchange station (or a special power exchange device).

By the end of 6 months in 2019, the amount of the new energy automobiles in China is about 344 ten thousand, and the same ratio is increased by 72.85 percent. But the ratio of the charging pile of the charging station to the electric automobile is less than 1:3.4, wherein more than 80% of the piles are the alternating current slow-charging piles, and the high-power direct current fast-charging piles required by electric equipment such as electric heavy trucks, electric engineering machinery, electric buses and the like are seriously insufficient, so that the application and development of the electric equipment are seriously affected.

Based on the above, an efficient energy supplementing mode for solving the demands of customer mileage anxiety, quick rescue and the like is urgently needed to be developed. The existing charging and replacing electric field stations are almost fixed, the operation sites of products such as electric heavy trucks, electric engineering machinery and the like are relatively not fixed, and often change along with engineering, and the fixed charging and replacing electric field stations generally need to be invested in a significant capital expenditure, and once the operation sites change, the operation sites become sinking costs. In addition, when a new line is developed and operated, the site selection of the charging station generally cannot be performed at a time, and the fixed charging station often causes a large trial-and-error cost.

Disclosure of Invention

The application aims to provide novel power conversion equipment, which utilizes an automobile equipment technology and a control technology to realize rapid energy source supplement for electric machinery such as electric vehicles, electric engineering equipment and the like.

In order to solve the technical problems, the application provides the following technical scheme:

a novel power conversion apparatus comprising:

traction vehicle head;

the power conversion platform comprises a first platform, a second platform and an intermediate connector for connecting the first platform and the second platform, wherein the intermediate connector is detachably connected with the first platform and the second platform respectively, and the first platform is connected with the traction locomotive;

the plurality of bottom brackets are arranged on the first platform and/or the second platform and are used for installing a battery box;

the power conversion mechanism is arranged on the first platform and/or the second platform;

and under the state that the intermediate connector is detached, a power conversion channel for the electric machine to enter is formed between the first platform and the second platform.

Optionally, one side of the intermediate connector is connected to the first platform through a first lock, and the other side of the intermediate connector is connected to the second platform through a second lock.

Optionally, the intermediate connector is in a flat plate shape.

Optionally, lifting support legs are arranged on two sides of the first platform along the length direction, and lifting support legs are arranged on two sides of the second platform along the length direction.

Optionally, the power changing mechanism comprises a truss mechanism arranged on the power changing platform and a power changing robot movably connected to the truss mechanism, and the power changing robot can grab or release the battery box.

Optionally, the truss mechanism includes a first guide rail, the first guide rail extends along the length direction of the power conversion platform, and the power conversion robot can translate along the first guide rail.

Optionally, the truss mechanism further comprises a second guide rail, the second guide rail is perpendicular to the first guide rail, the second guide rail is movably connected to the first guide rail, and the motor replacing robot is movably connected to the second guide rail.

The second object of the present application is to provide a power conversion method of the above novel power conversion device, comprising:

s1, disassembling the intermediate connector to form a power exchange channel between the first platform and the second platform;

s2, the electric machine proceeds into the power conversion channel;

s3, the ground changing mechanism grabs a battery box with power shortage on the electric machine and places the battery box on the power changing platform;

and S4, the ground changing mechanism grabs the full-power battery box on the power changing platform and loads the full-power battery box into the electric machine.

Optionally, before step S1, controlling the lifting legs to stretch so as to support and fix the first platform and the second platform respectively.

Optionally, the motor replacing robot comprises a frame and a gripping apparatus, wherein the frame is movably connected to the second guide rail, a lifting device is arranged on the frame, and the lifting device is connected with the gripping apparatus through a lifting rope;

wherein, step S3 includes:

step S31, the second guide rail moves along the first guide rail, and the power conversion robot moves along the second guide rail so that the gripping apparatus is positioned at the top of the electric machine;

step S32, the lifting device releases a gripping apparatus, and the gripping apparatus descends to grip the battery box with power shortage on the electric machine;

step S33, lifting a gripping apparatus by a lifting device, and driving a power-deficient battery box to lift by the gripping apparatus;

step S34, the second guide rail translates along the first guide rail, and the power conversion robot translates along the second guide rail so that the gripping apparatus drives the battery box to travel above the corresponding bottom bracket;

and S35, releasing the gripping apparatus by the lifting device, and installing the battery box on the corresponding bottom bracket.

The technical scheme provided by the application can achieve the following beneficial effects:

the novel power conversion equipment provided by the application realizes rapid energy source supplement to electric machinery such as electric vehicles, electric engineering equipment and the like by utilizing an automobile equipment technology and a control technology.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

Fig. 1 is a state diagram of a novel power conversion device for converting power of an electric machine according to an embodiment of the present application;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a state diagram of the novel power conversion device according to the embodiment of the present application when moving;

FIG. 4 is a top view of FIG. 3;

fig. 5 is a schematic structural diagram of a novel upper bracket of a power conversion device according to an embodiment of the present application;

fig. 6 is a schematic view of a structure in which a battery pack is not provided on a battery box.

Reference numerals:

1. traction vehicle head; 11. a saddle; 2. a first platform; 21. a neck of a goose; 3. a second platform; 4. an intermediate connector; 5. a bottom support; 51. a connector female end; 52. a guide mechanism; 53. a locking mechanism; 54. a charging socket; 6. a battery box; 7. lifting the supporting leg; 8. a power exchanging mechanism; 81. replacing the robot; 82. a first guide rail; 83. a second guide rail; 9. an electric machine.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

Detailed description of the preferred embodiments

The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

It should be noted that, the terms "upper", "lower", "left", "right", and the like in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.

Example 1

An embodiment of the present application provides a novel power conversion device, including: traction locomotive 1, trade electric platform, trade electric mechanism 8 and collet 5. The level changing platform comprises a first platform 2, a second platform 3 and an intermediate connector 4 connected with the first platform 2 and the second platform 3, wherein the intermediate connector 4 is detachably connected with the first platform 2 and the second platform 3 respectively, and the first platform 2 is connected with the traction locomotive 1. Each shoe 5 is arranged on the first platform 2 and/or the second platform 3, and the shoe 5 is used for installing a battery box 6. The power exchanging mechanism 8 is arranged on the first platform 2 and/or the second platform 3. In the disassembled state of the intermediate connection body 4, a power exchange channel for the electric machine to enter is formed between the first platform 2 and the second platform 3. The electric machine 9 can travel into the power exchanging channel, so that the power exchanging device can conveniently execute power exchanging operation. Through the setting of intermediate connector 4, limited the width of trading the electric channel, reduced the driving degree of difficulty of driver, improved and traded electric efficiency.

The novel power conversion equipment provided by the application realizes rapid energy source supplement to electric machinery 9 such as electric vehicles, electric engineering equipment and the like by utilizing an automobile equipment technology and a control technology.

The towing vehicle head 1 can be a motor vehicle with an independent power towing level changing system, and can be a towing carrier vehicle, a tractor, a towing trolley vehicle and the like.

One side of the intermediate connector 4 is connected to the first platform 2 through a first lock, and the other side of the intermediate connector 4 is connected to the second platform 3 through a second lock. When the middle connector 4 is to be disassembled, the two locks are disassembled.

Wherein the intermediate connector 4 is in a flat plate shape. Simple structure, weight down, easy dismounting.

Referring to fig. 1, lifting legs 7 are disposed on two sides of the first platform 2 along the length direction, and lifting legs 7 are disposed on two sides of the second platform 3 along the length direction. Through all setting up lift landing leg 7 on two platforms, can make first platform 2 and second platform 3 all stably support subaerial, be difficult for rocking, conveniently trade electric mechanism 8 and carry out accurate trading electric action, and can ensure to trade the electric channel position and keep invariable.

The first platform 2 includes two sets of lifting legs 7, and the two sets of lifting legs 7 are respectively disposed at two ends of the first platform 2 along the length direction. Each group of lifting support legs 7 comprises two lifting support legs 7 which are sequentially arranged along the width direction of the platform, and the supporting stability is improved by arranging four lifting support legs 7.

Similarly, the second platform 3 includes two sets of lifting legs 7, and the two sets of lifting legs 7 are respectively disposed at two ends of the second platform 3 in the length direction. Each group of lifting support legs 7 comprises two lifting support legs 7 which are sequentially arranged along the width direction of the platform, and the supporting stability is improved by arranging four lifting support legs 7. Wherein the lifting leg 7 may be an adjustable hydraulic leg.

In one possible embodiment, the power exchanging mechanism 8 comprises a truss mechanism arranged on the power exchanging platform and a power exchanging robot 81 movably connected to the truss mechanism, and the power exchanging robot 81 can grasp or release the battery box 6. The power conversion robot 81 can translate along the truss and travel to different positions of the power conversion platform, so that the battery box 6 can be taken and placed.

The truss mechanism comprises a first guide rail 82, the first guide rail 82 extends along the length direction of the power conversion platform, and the power conversion robot 81 can translate along the first guide rail 82.

Further, referring to fig. 2, the truss mechanism further includes a second guide rail 83, where the second guide rail 83 is perpendicular to the first guide rail 82, the second guide rail 83 is movably connected to the first guide rail 82, and a first travelling mechanism is disposed on the second guide rail 83, and the first travelling mechanism can translate along the first guide rail. The battery changing robot 81 is movably connected to the second rail 83. For example, a second travelling mechanism is also arranged on the motor replacing robot and can travel along the second guide rail. So can set up battery box 6 of multirow on the platform, through control second guide rail 83 along first guide rail translation, change electric robot 81 along second guide rail translation realization snatch battery box 6 of different positions or take out battery box 6 of different positions.

Specifically, the first guide rail 82 includes two longitudinal beams and four stand columns, and two longitudinal beams all extend along the length direction of the power conversion platform, and two longitudinal beams all set up in the both sides of the power conversion platform along length direction, and one is connected respectively at the both ends of two longitudinal beams the stand column is connected on the power conversion platform through the stand column.

The second rail 83 comprises two spaced apart transverse rails, and the power conversion robot 81 is movably connected to the two transverse rails. The transverse line guide rail is perpendicular to the longitudinal beam.

Illustratively, the new power conversion apparatus includes a motor controller, a control program, a grating positioning system, and the like. The second guide 83 and the travelling mechanism on the motor changing robot 81 are provided with motors for driving travelling. The motor controller realizes the control of the motor running direction, speed and start-stop of the motor replacing robot 81 through a control program. The motor controller controls the start and stop, the speed and the like of the motor replacing robot 81 through the grating positioning system, so that accurate power replacing action is executed.

Referring to fig. 3 and 4, the first platform 2 has a platform body and a neck portion 21 connected to the platform body, and the neck portion 21 is detachably connected to the saddle 11 on the towing vehicle head 1 through towing pins.

Wherein, the truss mechanism is provided with a level gauge. The first platform 2 and the second platform 3 are conveniently located in the same plane by arranging the level meter. In particular, the level may be disposed on the first rail 82.

The power conversion robot 81 comprises a frame and a gripping apparatus, a travelling mechanism is arranged on the frame, the frame is movably connected to the second guide rail 83, a lifting device is arranged on the frame, and the lifting device is connected with the gripping apparatus through a lifting rope. The lifting device can comprise a telescopic oil cylinder, the tail end of the telescopic oil cylinder is connected with a connecting seat, one end of a lifting rope is connected to the telescopic oil cylinder, the telescopic oil cylinder stretches out and draws back to drive the lifting rope, and the lifting rope lifts or drops the gripping apparatus.

Referring to fig. 5, guide mechanisms 52 are respectively disposed on two sides of the bottom support 5 along the length direction, a female connector end 51 is disposed between the two guide mechanisms 52 on the bottom support 5, and a male connector end is disposed at the bottom of the battery box 6. In a state where the battery box 6 is mounted on the shoe 5, the connector male end and the connector female end 51 are electrically connected. The guiding mechanism 52 comprises three guiding posts, which are all provided with guiding inclined planes, so that the battery box 6 can be conveniently slid in during the installation process of the battery box 6.

The base 5 is further provided with a locking mechanism 53, and the locking mechanism 53 is used for locking or releasing the battery box 6. Specifically, the locking mechanism 53 includes a telescopic member provided on the guide post, and the telescopic member is extended to lock the battery box 6, and retracted to release the battery box 6.

The base 5 is further provided with a charging socket 54, and the charging socket 54 is electrically connected with the connector female end 51.

The battery box 6 includes a frame body in which a battery pack mounting area is formed, a plurality of battery packs are mounted in the frame body, and the telescopic members of the locking mechanism 53 are extended into the frame body to lock the frame body.

Further, the novel battery replacement device further comprises a container body, the container body is connected with the first platform 2 and the second platform 3, each battery box is coated, and the container body can protect the inner structure and shield rainwater.

Example two

An embodiment II of the present application provides a power conversion method for the novel power conversion device in the above embodiment I, including:

s1, disassembling the intermediate connector to form a power exchange channel between the first platform 2 and the second platform 3;

step S2, the electric machine 9 moves into the power exchanging channel;

s3, the land changing mechanism grabs the battery box 6 with the power shortage on the electric machine 9 and places the battery box on the power changing platform;

and S4, the ground changing mechanism grabs the full-power battery box 6 on the power changing platform and loads the full-power battery box into the electric machine 9.

Optionally, before step S1, controlling the lifting legs 7 to extend so as to support and fix the first platform 2 and the second platform 3 respectively.

Specifically, a level gauge can be arranged on the first guide rail of the truss mechanism, and the telescopic length of each telescopic supporting leg can be adjusted according to the level gauge, so that the first platform 2 and the second platform 3 are adjusted in the same plane.

Optionally, the motor changer robot 81 includes a frame and a gripper, the frame is movably connected to the second rail 83, and a lifting device is provided on the frame, and the lifting device is connected to the gripper through a lifting rope.

Wherein, step S3 includes:

step S31, the second rail 83 moves along the first rail 82, and the power conversion robot 81 moves along the second rail 83 so that the gripper is located at the top of the electric machine 9;

step S32, the lifting device releases a gripping apparatus, and the gripping apparatus descends to grip the battery box 6 with insufficient power on the electric machine 9;

step S33, lifting a gripping apparatus by a lifting device, and driving the battery box 6 with insufficient power to lift by the gripping apparatus;

step S34, the second guide rail 83 translates along the first guide rail 82, and the power conversion robot 81 translates along the second guide rail 83 so that the gripping apparatus drives the battery box 6 to travel above the corresponding base 5;

step S35, the lifting device releases the gripping apparatus and installs the battery box 6 on the corresponding shoe 5.

Step S36, the lifting device lifts the gripping apparatus.

In step S4, the steps of:

step S41, the second guide rail 83 moves along the first guide rail 82, and the power conversion robot 81 moves along the second guide rail 83 so that the gripping apparatus is located at the top of the full-power battery box 6;

step S42, the lifting device releases a gripping apparatus, and the gripping apparatus descends to grip the full-power battery box 6 on the power exchange platform;

step S43, lifting a gripping apparatus by a lifting device, and driving the full-power battery box 6 to lift by the gripping apparatus;

step S44, the second guide rail 83 translates along the first guide rail 82, and the power conversion robot 81 translates along the second guide rail 83 so that the gripper drives the battery box 6 to travel above the electric machine 9;

step S45, the lifting device releases the gripping apparatus and installs the full-power battery box 6 on the electric machine 9;

step S46, the lifting device lifts the gripping apparatus.

When the power conversion equipment needs to be moved, the traction headstock 1 is combined with the power conversion platform system through the traction pin and the saddle 11, the first platform 2 and the second platform 3 are connected through the middle connector 4 and the lockset, 8 lifting support legs 7 are retracted, the traction headstock 1 is driven, and the power conversion equipment is transferred.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.

Claims

1. The utility model provides a novel trade electric equipment which characterized in that: comprising the following steps:

traction vehicle head;

2. The novel power conversion device according to claim 1, wherein one side of the intermediate connector is connected to the first platform through a first lock, and the other side of the intermediate connector is connected to the second platform through a second lock.

3. The novel power conversion device according to claim 1, wherein the intermediate connector is flat plate-shaped.

4. The novel power conversion device according to claim 1, wherein lifting support legs are arranged on two sides of the first platform along the length direction, and lifting support legs are arranged on two sides of the second platform along the length direction.

5. The novel power conversion device according to claim 1, wherein the power conversion mechanism comprises a truss mechanism arranged on the power conversion platform and a power conversion robot movably connected to the truss mechanism, and the power conversion robot can grasp or release a battery box.

6. The novel power conversion device according to claim 5, wherein the truss mechanism comprises a first guide rail extending along a length direction of the power conversion platform, and the power conversion robot can translate along the first guide rail.

7. The novel power conversion device according to claim 6, wherein the truss mechanism further comprises a second guide rail, the second guide rail is perpendicular to the first guide rail, the second guide rail is movably connected to the first guide rail, and the power conversion robot is movably connected to the second guide rail.

8. A power changing method of the novel power changing apparatus according to claim 7, comprising:

s2, the electric machine proceeds into the power conversion channel;

s3, the power-changing mechanism grabs a power-deficient battery box on the electric machine and places the power-deficient battery box on a power-changing platform;

and S4, the power changing mechanism grabs a full-power battery box on the power changing platform and loads the full-power battery box into the electric machine.

9. The power conversion method according to claim 8, further comprising controlling the extension of each lifting leg to support and fix the first platform and the second platform, respectively, before step S1.

10. The power changing method according to claim 8, characterized in that the power changing robot comprises a frame and a gripper, the frame being movably connected to the second guide rail, the frame being provided with a lifting device, the lifting device being connected to the gripper by means of a lifting rope;

wherein, step S3 includes: