CN216942762U

CN216942762U - Battery positioning device and battery replacing station

Info

Publication number: CN216942762U
Application number: CN202220303696.5U
Authority: CN
Inventors: 邱胜国; 万辉; 吴小平; 杜文轩; 王禄
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-07-12
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a battery positioning device and a battery replacement station, which comprise a bracket, power equipment for driving the bracket to move along a scanning direction, distance detection equipment which is arranged on the bracket and used for sensing the distance between the bracket and a target along a detection direction, wherein the scanning direction is not parallel to the detection direction, the battery positioning device also comprises a shielding plate which is arranged on the bracket and used for shielding a set area, the shielding plate is arranged at the non-detection direction side of the distance detection equipment, the bracket drives the distance detection equipment to move to the position where the detection direction faces the set area under the working state, and the bracket drives the shielding plate to move to the set area under the non-working state. The battery positioning device is low in cost and completely free from the influence of the environment, the battery positioning device can be effectively protected, the influence of the external environment on the battery positioning device is prevented, the light-transmitting cavity can be blocked when the laser ranging does not work through the shielding plate, and water vapor, dust and the like can be prevented from entering a monitoring area.

Description

Battery positioning device and battery replacing station

Technical Field

The utility model belongs to the technical field of battery replacement, and particularly relates to a battery positioning device and a battery replacement station.

Background

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Electric vehicles, such as the traditional electric heavy truck, have great significance for reducing carbon and emission, so the traditional electric heavy truck is more and more widely applied in modern society. The battery box of the traditional motorized heavy truck has larger volume and weight, and the battery replacement operation is difficult; the traditional manual electricity changing operation is troublesome and labor-consuming; in the existing automatic battery replacement operation, due to different driving habits of drivers, the vehicle placing positions cannot be completely unified, so that the positions of the battery boxes in the heavy truck to be replaced cannot be completely matched with a travelling crane lifting appliance, the success rate of the battery replacement operation is low, and even the battery boxes can be damaged.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present invention is to provide a set of stable and reliable battery positioning device and battery replacement station.

In order to solve the technical problem, the utility model provides a battery positioning device which comprises a support, power equipment for driving the support to move along a scanning direction, distance detection equipment arranged on the support and used for sensing a distance between the power equipment and a target along a detection direction, and a shielding plate arranged on the support and used for shielding a set area, wherein the shielding plate is arranged on the non-detection direction side of the distance detection equipment, the support drives the distance detection equipment to move to a position where the detection direction of the distance detection equipment faces the set area in a working state, and the support drives the shielding plate to move to the set area in a non-working state.

In an embodiment of the present invention, the support is a rotary table, the power device is a servo motor, the servo motor is connected to the rotary table through a rotary shaft and drives the rotary table to rotate along with the rotary shaft, the distance detection device and the shielding plate are connected to a same disc surface of the rotary table, and a detection direction of the distance detection device is a radial direction of the rotary shaft.

In an embodiment of the present invention, the turntable includes a circular region coaxial with the rotating shaft and an annular region coaxial with the rotating shaft and disposed outside the circular region, the distance detection device is disposed in the circular region, and the shielding plate is disposed in the annular region.

In one embodiment of the present invention, the measurement reference point of the distance detection apparatus is located at a central position of the turntable.

In one embodiment of the present invention, the shielding plate is an arc-shaped shielding plate, and an axis of the arc-shaped shielding plate is coaxial with an axis of the rotating shaft.

In an embodiment of the present invention, in a direction perpendicular to a disk surface of the turntable, a size of the shielding plate is not smaller than a size of the distance detection device, and in a direction parallel to the disk surface of the turntable, two ends of the shielding plate respectively extend to edges of the turntable.

In one embodiment of the utility model, the distance detection device has a head facing its detection direction, a tail facing away from its detection direction, a first side facing its scanning direction and a second side facing away from its scanning direction, the shutter being arranged in immediate proximity to the second side of the distance detection device.

In one embodiment of the utility model, the distance detection device is a laser rangefinder.

The utility model also provides another technical scheme: the utility model provides a trade power station, includes a wall, one side of wall is the parking district of changing electricity, the hole has been seted up on the wall, the opposite side of wall is the surveillance area, be equipped with controlling means in the surveillance area with battery positioner, the support drives distance detection equipment moves along the horizontal direction, distance detection equipment detects and is located the horizontal distance of the battery in parking district of changing electricity, controlling means control power equipment with according to the rotation angle of the battery that is located parking district of changing electricity is calculated to distance detection equipment's measured data, distance detection equipment during operation, distance detection equipment's detection direction orientation the hole, when distance detection equipment is out of work, the shielding plate shutoff the hole.

In one embodiment of the utility model, the power unit is connected above the bracket, and the distance detection unit and the shielding plate are connected below the bracket.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses a battery positioning device and a battery replacement station, which comprise a bracket, power equipment and distance detection equipment, wherein the side contour line of a battery is identified through distance measurement, the distance and the rotation angle of the battery relative to the rotation center of the distance detection equipment are calculated, and then the coordinate of the center point of the battery is obtained through calculation.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic structural diagram of a battery positioning device according to the present disclosure;

FIG. 2 is a schematic diagram of a swapping station disclosed in the present invention;

FIG. 3 is a schematic diagram of a battery positioning apparatus according to the present invention detecting a first distance discontinuity of a battery;

FIG. 4 is a schematic diagram of a battery locating apparatus according to the present invention detecting a second distance discontinuity of a battery;

FIG. 5 is a schematic illustration of a deflection of a disclosed battery;

fig. 6 is a block diagram illustrating the operation principle of the battery positioning device disclosed in the present invention.

Wherein, 1, a wall; 11. a hole; 2. a parking power change area; 3. a monitoring area; 4. a control device; 5. a battery positioning device; 51. a support; 52. a power plant; 521. a rotating shaft; 53. a distance detection device; 531. a head portion; 532. a tail portion; 533. a first side portion; 534. a second side portion; 54. a shielding plate; 6. and stopping to replace the batteries in the battery replacement area.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further improvements to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, elements, and/or combinations thereof, unless the context clearly indicates otherwise. In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure. In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

The following is a preferred embodiment of the present invention, but is not intended to limit the scope of the present invention.

Example one

Referring to fig. 1 to 6, as shown in the drawings, a power conversion station includes a wall 1, one side of the wall 1 is a parking power conversion area 2, a hole 11 is formed in the wall 1, the other side of the wall 1 is a monitoring area 3, a control device 4 and a battery positioning device 5 are disposed in the monitoring area 3, the battery positioning device 5 includes a bracket 51, a power device 52 for driving the bracket 51 to move along a scanning direction, and a distance detection device 53 mounted on the bracket 51 for measuring a distance between the battery 6 and the parking power conversion area along a detection direction, the scanning direction is not parallel to the detection direction, the power device further includes a shielding plate 54 mounted on the bracket 51 for shielding the hole 11, the shielding plate 54 is disposed on a non-detection direction side of the distance detection device 53, in an operating state, the bracket 51 drives the distance detection device 53 to move to a position where the detection direction faces the hole 11, under the non-working state, the bracket 51 drives the shielding plate 54 to move to the position for blocking the hole 11.

In the above, the bracket is a solid structure or a frame structure, and mainly plays a role of transitional installation, and the bracket is made of metal. The power equipment belongs to an actuator and is used for receiving a control signal sent by a controller and changing the size of a controlled medium so as to maintain a controlled variable at a required value or within a certain range. The actuators can be classified into pneumatic, hydraulic and electric actuators according to their energy forms. The distance detection device is a distance sensor which can automatically sense the distance between the distance sensor and an object located in the detection direction of the distance detection device.

The working process of the battery positioning device is described as follows, which comprises the following steps:

1. when the battery is in a static state, the distance detection equipment starts to rotate along the scanning direction, and the control device automatically judges the first edge through the distance mutation state, reads the first edge distance a and the first edge angle alpha, and is shown in figure 3;

2. the distance detection device continues to rotate, the distance mutation state control unit automatically judges the second edge, and the distance b and the angle beta of the second edge are read, as shown in fig. 4;

3. the control device establishes a coordinate system, and obtains the central coordinates (x, y) and the rotation angle theta of the battery box through calculation;

in the above technical solution, the coordinate of x is a function P (first edge distance, first edge angle, second edge distance, second edge angle, M, N); the coordinate of y is a function Q (first edge distance, first edge angle, second edge distance, second edge angle, M, N); the rotation angle is a function R (first edge distance, first edge angle, second edge distance, second edge angle, M, N).

Based on the first edge distance a and the first edge angle α, the Y-axis coordinate Y1 of the first edge is calculated by the following formula, and the X-axis coordinate X1 of the first edge is calculated by the following formula:

Y1＝asinα，X1＝acosα

calculating a Y-axis coordinate Y2 of the second side according to the second side distance b and the second side angle β, and calculating an X-axis coordinate X2 of the second side according to the following formula:

Y2＝bsinβ，X2＝bcosβ

calculating a deflection angle theta of the center of the battery according to the first side distance a, the first side angle alpha, the second side distance b, the second side angle beta, the length m of the battery and the width n of the battery by the following formula:

θ＝ARCTAN[(asinα-bsinβ)/(acosα-bcosβ)]/π*180

the X-axis coordinate X of the center of the cell is calculated by the following formula:

X＝(acosα+bcosβ)/2-m/2/n*(asinα-bsinβ)(asinα+bsinβ)/2。

the Y-axis coordinate Y of the center of the cell is calculated by the following formula:

Y＝(asinα+bsinβ)/2+m/2/n*(acosα-bcosβ)。

in a preferred embodiment of the present invention, the bracket 51 is a turntable, the power device 52 is a servo motor, the servo motor is connected to the turntable through a rotating shaft 521, the servo motor drives the turntable to rotate along with the rotating shaft 521, the distance detection device 53 and the shielding plate 54 are connected to the same surface of the turntable, and a detection direction of the distance detection device 53 is a radial direction of the rotating shaft 521. The support is the carousel in this embodiment, and carousel compact structure, occupation space is little, scans the battery in parking electricity conversion district through driving apart from the rotation of check out test set in this embodiment. In other embodiments it may also be: the distance detection equipment moves along the linear direction to scan the battery in the parking power conversion area, the support can be a sliding table at the moment, and the power equipment can be a cylinder for pushing the sliding table to move along the linear direction.

In a preferred embodiment of the present invention, the turntable includes a circular region coaxially disposed with the rotating shaft 521 and an annular region coaxially disposed outside the circular region, the distance detecting device 53 is disposed in the circular region, and the shielding plate 54 is disposed in the annular region. Specifically, the circular area and the annular area do not have a clear boundary, and the disc surface of the turntable is divided into the circular area and the annular area for descriptive convenience. In other embodiments it may also be: the distance detection device and the baffle member are arranged in the same annular region.

In a preferred embodiment of the present embodiment, the measurement reference point of the distance detection device 53 is located at the center of the turntable. That is, the measurement reference point of the distance detection device rotates. In other embodiments it may also be: the distance detection device is arranged at the edge position of the rotary disc.

In a preferred embodiment of the present invention, the shielding plate 54 is an arc-shaped shielding plate, and an axis of the arc-shaped shielding plate is coaxial with an axis of the rotating shaft 521. Specifically, the edge position department of above-mentioned disc is located to above-mentioned shielding plate, what cowl can set up is greater than the size of hole. In other embodiments it may also be: the shielding plate is a flat plate, and two ends of the flat plate respectively extend to the edge of the disc.

In a preferred embodiment of the present invention, the size of the shielding plate 54 is not smaller than the size of the distance detecting device 53 in a direction perpendicular to the surface of the turntable, and both ends of the shielding plate 54 extend to the edges of the turntable in a direction parallel to the surface of the turntable, respectively. Specifically, the size of the shielding plate along the direction perpendicular to the surface of the turntable is equal to the size of the distance detection equipment, the shielding plate is large, and the shielding plate can be adapted to a large hole, so that the distance measurement range of the distance detection equipment is large. In other embodiments it may also be: along the direction of the above-mentioned carousel quotation of perpendicular to, the size that the above-mentioned size of sheltering from is less than the size of above-mentioned distance check out test set, and the height in above-mentioned hole also need set up narrower this moment, as long as can make laser pass through can.

In a preferred embodiment of the present invention, the distance detection device 53 has a head portion facing the detection direction thereof, a tail portion facing away from the detection direction thereof, a first side portion facing the scanning direction thereof, and a second side portion facing away from the scanning direction thereof, and the shielding plate 54 is disposed adjacent to the second side portion of the distance detection device 53. The shielding plate is close to the second side part of the distance detection equipment, so that the distance measurement can be carried out while the hole is opened or the hole is closed while the distance measurement is carried out during actual use, and the time for each distance measurement is saved. In other embodiments may be: the shielding plate is arranged close to the first side part of the distance detection equipment or the shielding plate is arranged on one side of the tail part of the distance detection equipment.

In a preferred embodiment of the present invention, the distance detecting device 53 is a laser range finder. A laser rangefinder is an instrument that uses a parameter of modulated laser light to achieve a distance measurement to a target. The measuring range of the laser range finder is 3.5-5000 meters. The distance measurement principle can be basically summarized as measuring the time required by the light to travel to and from the target, and then calculating the distance D through the speed of light c being 299792458m/s and the atmospheric refractive index n. In other embodiments it may also be: the distance detection equipment is an ultrasonic distance meter or a sonar distance meter and the like.

In a preferred embodiment of the present invention, the power unit 52 is connected to an upper side of the bracket 51, and the distance detecting unit 53 and the shielding plate 54 are connected to a lower side of the bracket 51. The battery positioning device is installed in a monitoring room, and the power equipment can be hung on a roof. Specifically, the power plant may be hidden on the upper side of the ceiling. In other embodiments it may also be: the power device is connected to the lower side of the bracket, and the distance detection device and the shielding plate are connected to the upper side of the bracket.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a battery positioner, includes the support, drives the power equipment that the support moved along the scanning direction and install in be used for responding to and the distance check out test set along the distance of detection direction between the target on the support, the scanning direction with detection direction nonparallel, its characterized in that, still including install in be used for sheltering from the shielding plate of setting for the region on the support, the shielding plate is located the non-detection direction side of distance check out test set, under the operating condition, the support drives distance check out test set moves to its detection direction orientation set for regional position, under the non-operating condition, the support drives the shielding plate moves to set for the region.

2. The battery positioning apparatus according to claim 1, wherein the support is a rotary table, the power device is a servo motor, the servo motor is connected to the rotary table through a rotary shaft and drives the rotary table to rotate along with the rotary shaft, the distance detection device and the shielding plate are connected to a same disc surface of the rotary table, and a detection direction of the distance detection device is a radial direction of the rotary shaft.

3. The battery positioning apparatus according to claim 2, wherein the turntable includes a circular region disposed coaxially with the rotation shaft and an annular region disposed outside the circular region coaxially with the rotation shaft, the distance detection device is disposed in the circular region, and the shielding plate is disposed in the annular region.

4. The battery positioning apparatus according to claim 2, wherein the measurement reference point of the distance detection device is located at a central position of the turntable.

5. The battery positioning device of claim 2, wherein the baffle is an arc-shaped baffle, and an axis of the arc-shaped baffle is coaxial with an axis of the rotating shaft.

6. The battery positioning apparatus according to claim 2, wherein the size of the shielding plate is not smaller than the size of the distance detection device in a direction perpendicular to the disk surface of the turntable, and both ends of the shielding plate extend to the edges of the turntable respectively in a direction parallel to the disk surface of the turntable.

7. The battery positioning apparatus of claim 2, wherein the distance detection device has a head portion facing a detection direction thereof, a tail portion facing away from the detection direction thereof, a first side portion facing a scanning direction thereof, and a second side portion facing away from the scanning direction thereof, and the shielding plate is disposed adjacent to the second side portion of the distance detection device.

8. The battery positioning apparatus of claim 1, wherein the distance detection device is a laser rangefinder.

9. A power conversion station comprises a wall, one side of the wall is a parking power conversion area, the power conversion station is characterized in that a hole is formed in the wall, the other side of the wall is a monitoring area, a control device and a battery positioning device according to any one of claims 1 to 8 are arranged in the monitoring area, a support drives a distance detection device to move along the horizontal direction, the distance detection device detects the horizontal distance between the distance detection device and a battery located in the parking power conversion area, the control device controls a power device and calculates the rotation angle of the battery located in the parking power conversion area according to the measurement data of the distance detection device, when the distance detection device works, the detection direction of the distance detection device faces towards the hole, and when the distance detection device does not work, a shielding plate blocks the hole.

10. The swapping station of claim 9, wherein the power device is connected above the rack and the distance detection device and the shutter are connected below the rack.