CN111532707A - Transportation device, battery detection device and battery detection method - Google Patents

Abstract

The invention discloses a transportation device, comprising: a bracket 100; at least two power units 210 disposed on the stand 100; a transport frame 220, wherein the transport frame 220 can be driven by a plurality of power devices 210 to lift and fall; a limiting device arranged on the bracket 100 and used for preventing the transportation rack 220 from deviating when lifting relative to the bracket 100; by applying the conveying device, the battery tray can be prevented from overturning when the battery tray is jacked; the invention also provides a battery detection device and a battery detection method.

Description

Transportation device, battery testing device and battery testing method

technical field

The invention relates to the field of battery production, in particular to a transportation device, a battery detection device and a battery detection method.

Background technique

The OCV test sorting machine is an automatic sorting equipment for testing the internal resistance and voltage of the cells. According to the difference between the internal resistance and the actual value of the voltage and the set value of the tested cell, it determines the battery cell to be classified, and according to the different sorting results, the battery with the corresponding parameter range flows out, so as to realize the automatic sorting of the battery.

In the existing test sorting machine, the battery tray with larger size is usually lifted by multiple cylinders at the same time. Due to the difficulty in controlling the simultaneous movement of multiple cylinders, multiple cylinders often occur. The unsynchronized action of the cylinders causes the battery tray to be overturned, and the use of multiple motors to lift the battery tray will result in too many types of power sources for the whole machine and complicated control.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention provides a transportation device, a battery detection device and a battery detection method, which can reduce the overturning of the battery tray when the battery tray is lifted.

A transport device according to one aspect of the present invention includes: a bracket; at least two power devices, which are arranged on the bracket; a transport frame, which can be lifted and lowered under the driving of the plurality of power devices; a limit device, which is arranged on the bracket, Used to prevent deflection of the transport frame when it is raised and lowered relative to the support.

Further, at least two first support plates are provided on the transport rack, and the first support plates are used to support and lift the battery tray.

Further, limit blocks are provided on both ends of the first support plate in the extending direction; and/or limit protrusions are provided on the first support plate, and the limit protrusions are used to limit the battery tray.

Further, the power unit is arranged under the bracket, and the transport rack is partly arranged through the bracket.

Further, a second support plate is provided on the transport rack, and the second support plate is used to abut the battery tray and place the battery tray to deform.

Further, a plurality of conveying rollers are rotatably arranged on the support, and the second supporting plate can be lifted and lowered between two adjacent conveying rollers.

Further, a baffle is arranged on the bracket, and the baffle is arranged behind the conveying roller.

Further, the bracket is provided with a blocking component, the blocking component is provided above the transport frame, and a plurality of blocking components are provided on the blocking component.

The battery testing device according to the second aspect of the present invention is characterized in that it includes the above-mentioned transportation device and a probe assembly, the probe assembly is arranged above the transportation frame, and a plurality of currents for contacting the electrodes of the battery are arranged on the probe assembly. probe.

The battery detection method according to the third aspect of the present invention, using the above-mentioned battery detection device for battery detection, includes the following steps: transporting the battery tray to the top of the transport frame; controlling the power device and/or the probe assembly so that the current probe abuts the battery Electrodes of the battery in the tray; controls the power supply to power the current probe to detect the battery.

By applying the transport device of the present invention, the battery tray can be placed on the transport rack during use, and then all power devices are controlled to act together, so that the transport rack can lift the battery tray under the action of multiple power devices; The transport frame is slidably connected to the bracket. When the actions of multiple power units are out of sync, the transport frame can be limited by the limiting device, thereby preventing the transport frame from shifting during the lifting process, effectively reducing the need for multiple power units. A situation in which the action of the power unit is not synchronized, causing the battery tray to overturn.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a perspective view of a transport device according to an embodiment of the present invention;

FIG. 2 is an isometric view of the transport device according to the embodiment of the present invention from another perspective;

Fig. 3 is the enlarged view of I in Fig. 2;

4 is an axonometric view of another transport device according to an embodiment of the present invention;

5 is a front view of a battery testing device according to an embodiment of the present invention;

The above figures contain the following reference numerals.

label name 100 bracket 210 powerplant 220 transport rack 221 first support plate 222 second support plate 223 Limit block 224 Limit protrusion 310 Conveyor Roller 320 baffle 410 shipping pallet 420 Probe Assembly 430 Blocking components 440 Detection components

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the azimuth description, such as the azimuth or position relationship indicated by up, down, front, rear, left, right, etc., is based on the azimuth or position relationship shown in the drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

Referring to FIGS. 1 to 4 , a transport device according to an aspect of this embodiment is used for lifting and lowering the battery tray, including: a bracket 100 ; at least two power devices 210 , which are arranged on the bracket 100 ; , the transport frame 220 can be raised and lowered under the driving of the plurality of power devices 210 .

Applying the transportation device of this embodiment, when in use, the battery tray can be placed on the transportation rack 220, and then all the power devices 210 are controlled to act together, so that the transportation rack 220 is topped under the action of the multiple power devices 210. Lift the battery tray; because the transport rack 220 is slidably connected to the bracket 100, when the actions of the multiple power units 210 are out of sync, the transport rack 220 can be limited by the limiting device, thereby preventing the transport rack 220 from being lifted during the lifting process The offset occurs in the middle, which effectively reduces the occurrence of the overturning of the battery tray caused by the asynchronous actions of the multiple power devices 210 .

Wherein, the power device 210 can drive the transport frame 220 to rise and fall in various ways, such as driving the transport frame 220 to rise and fall by means of a motor and a rack-and-pinion mechanism or a linear motor arranged on the bracket 100 ; A device such as a pneumatic cylinder or a hydraulic piston drives the transport frame 220 up and down.

It should be understood that the limiting device can prevent the transport rack 220 from shifting relative to the bracket 100 in various ways. For example, a limiting hole is provided on the bracket 100 so that the transport rack 220 passes through the limiting hole and passes through the hole in the limiting hole. The transport frame 220 is limited by the wall, or the transport frame 220 and the bracket 100 are connected by a linear bearing.

It can be understood that, in this embodiment, the transport rack 220 and the bracket 100 are slidably connected up and down, not only refers to the vertical sliding connection between the transport rack 220 and the bracket 100, but also conforms that the bracket 100 can provide the transport rack 220. Limit, so that when the transport rack 220 has a tendency to deviate from the up-down direction, the bracket 100 can provide a limit for the transport rack 220, making it difficult for the transport rack 220 to deviate from the up-down direction, reducing the occurrence of the battery tray being overturned .

It should be noted that the lifting and lowering in this embodiment refers to the movement in the up-down direction shown in FIG. 2 .

It should be understood that the transport rack 220 can also lift and lower the battery tray under the driving of the power unit 210 in various ways, for example, placing the battery tray directly above the transport rack 220, and driving the transport rack 220 to rise by the power unit 210, so that The transport rack 220 lifts the battery tray; or by setting slide rails on the transport rack 220, the battery tray is slid into the transport rack 220 to be fixed; connecting parts such as suspending ropes can also be set on the transport rack 220 to connect the battery to the transport rack 220. Pallet lifting, etc.

As shown in FIG. 2 and FIG. 3 , in order to directly place the battery tray on the transport rack 220, at least two first support plates 221 are provided on the transport rack 220, and the first support plates 221 are used to support and lift battery tray.

Specifically, as shown in FIG. 2 , the left and right ends of the transport rack 220 are provided with first support plates 221 . When the battery tray needs to be lifted and lowered, the battery tray only needs to be placed on the two first support plates 221 . .

As shown in FIG. 3 , both ends of the first support plate 221 in the extending direction are provided with limit blocks 223 ; and/or the first support plate 221 is provided with limit protrusions 224 for limiting the battery tray ; Among them, the limit blocks 223 on both sides of the first support plate 221 can play a guiding and limiting role when placing the battery tray, and the limit protrusions 224 on the first support plate 221 can also play a role in limiting the battery tray. The function of the position prevents the battery tray from being displaced after being placed on the first support plate 221 .

As shown in FIG. 2 , limiting protrusions 224 can be provided on both the left and right sides of the transport frame 220 , and the limiting protrusions 224 on the two first support plates 221 are staggered in the front-rear direction, which can prevent the direction of The correct battery tray is installed on the first support plate 221 in place, which prevents the reverse installation of the battery tray.

As shown in FIGS. 2 and 4 , in order to save the space above the bracket 100 and increase the movement range of the transport frame 220, the power unit 210 is arranged below the bracket 100, and the transport frame 220 is partially arranged through the bracket 100; as shown in FIG. 2 4, the power device 210 is arranged above the bracket 100, which can effectively reduce the occupation of the space above the bracket 100 by the power device 210. At the same time, the transport rack 220 is partially set through the bracket 100, and the power device 210 is below the bracket 100. While driving the transport frame 220, the support 100 can also act as a sliding limiter for the transport frame 220; at the same time, since the transport device is arranged under the support 100, the transport frame 220 can be lowered to a position very close to the support 100, The installation of the transport tray 410 is facilitated.

Further, the transport rack 220 is provided with a second support plate 222, the second support plate 222 is used to abut the battery tray and place the battery tray to deform; as shown in FIG. 2, when the transport rack 220 rises, the first support plate 222 The plate 221 and the second support plate 222 can jointly abut the battery tray in multiple positions, so that the battery tray is not easily deformed.

Specifically, as shown in FIG. 4 , the first support plate 221 extends in the front-rear direction, and the second support plate 222 extends in the left-right direction, which further enhances the deformation prevention effect of the second support plate 222 .

As shown in FIG. 4 , a plurality of conveying rollers 310 are rotatably arranged on the bracket 100 ; the second support plate 222 can be raised and lowered between two adjacent conveying rollers 310 ; when the battery tray needs to be lifted, the power unit 210 can be controlled first , move both the first support plate 221 and the second support plate 222 to below the highest plane of the plurality of conveying rollers 310 , and then control the conveying rollers 310 to rotate so that the conveying pallet 410 is conveyed to the lower part of the conveying frame 220 under the action of the conveying rollers 310 , at this time, since the first support plate 221 and the second support plate 222 are both located below the highest plane of the transport roller 310, the movement of the battery tray on the transport roller 310 will not be hindered; when the battery tray is transported in place above the transport rack 220 After that, the power device 210 can be controlled to drive the transport frame 220 to rise, so that the second support plate 222 can extend upward between the two adjacent transport rollers 310; at this time, the battery tray is between the second support plate 222 and the first support plate 222. The plate 221 rises under the joint action of the plate 221; the automatic operation of transporting and lifting the battery tray is realized, and the steps of manual installation of the battery tray are saved.

Specifically, as shown in FIG. 4 , the axial direction of the conveying rollers 310 can be set in the left-right direction, so that the second support plates 222 extending left and right can be extended from the brackets 100 of two adjacent conveying rollers 310 .

As shown in FIG. 4 , in order to prevent the battery tray from moving excessively on the conveying roller 310, it falls out of the conveying roller 310 backward; a baffle 320 is provided on the bracket 100, and the baffle 320 is arranged behind the conveying roller 310; when the battery tray is being conveyed Once the transport lower movement of the rollers 310 is in place, the baffle 320 can prevent the battery tray from moving further back.

As shown in FIG. 5 , the bracket 100 is provided with a blocking component 430 , the blocking component 430 is provided above the transport rack 220 , and a plurality of blocking blocks are provided on the blocking component 430 ; when the battery tray is driven by the transport rack 220 When ascending downward, the plurality of sealing plugs can block the liquid injection holes on the battery body in the battery tray, so as to prevent the electrolyte in the battery body from splashing out from the liquid injection ports during the test.

According to the second aspect of the present embodiment, a battery testing device is further provided, including the above-mentioned transportation device, and further including a probe assembly 420, the probe assembly 420 is disposed above the transportation rack 220, and a plurality of probe assemblies 420 are disposed on the probe assembly 420. A current probe for abutting the electrodes of the battery.

When multiple batteries in the battery tray need to be tested, the power device 210 can be controlled so that the transport rack 220 drives the battery tray to rise, and the plurality of battery bodies prevented in the battery tray can abut against the current probes, and then The power supply device is controlled to supply power to the current probe to detect the battery; it is also possible to control the current probe to descend while the battery tray is rising, so that the current probe is in contact with the battery in the battery tray.

Among them, the setting method of the current probes can be adjusted according to the actual needs; for example, a single pair of current probes is set up to contact each battery in turn under the drive of the moving part; a battery body.

As shown in FIG. 5 , a detection assembly 440 can also be provided on the bracket 100 to detect the lifting position of the battery tray; the detection assembly 440 can be realized by using existing optical fibers or lifting floats in the prior art.

In a third aspect of this embodiment, a battery detection method is also provided, using the above-mentioned battery detection device for battery detection, including the following steps: transporting the battery tray to the top of the transport rack 220; controlling the power device 210 and/or the probe assembly 420 , making the current probe abut against the electrode of the battery in the battery tray; and controlling the power supply device to supply power to the current probe to detect the battery.

The process of transporting the battery tray to the top of the transport rack 220 can be completed manually or automatically by the transport rollers 310 provided on the rack.

It should be understood that, for the transportation device and the battery detection device of the present embodiment, the transportation tray 410 and the battery are the components of the use environment, not the components included in the transportation device and the battery detection device itself.

It is worth noting that, for the battery testing device, the power supply device is a component of the use environment of the test battery, not a necessary component of the battery monitoring device itself.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the technical field, various changes can also be made without departing from the purpose of the present invention. .

Claims (10)

1. A transport device for lifting a battery tray, characterized in that, comprising: bracket (100); at least two power devices (210) arranged on the bracket (100); a transport frame (220), the transport frame (220) can be raised and lowered under the driving of a plurality of the power devices (210); A limiting device is provided on the bracket (100), and is used to prevent the transport frame (220) from shifting relative to the bracket (100) when it is lifted and lowered. 2. The transport device according to claim 1, wherein at least two first support plates (221) are provided on the transport frame (220), and the first support plates (221) are used for supporting Support and lift the battery tray. 3. The transportation device according to claim 2, characterized in that, limiting blocks (223) are provided at both ends of the first support plate (221) in the extending direction; and/or the first support plate (221) ) is provided with a limiting protrusion (224), and the limiting protrusion (224) is used for limiting the battery tray. 4. The transport device according to claim 1, characterized in that the power unit (210) is arranged below the bracket (100), and the transport frame (220) partially passes through the bracket (100) set up. 5. The transport device according to claim 1 or 4, wherein a second support plate (222) is provided on the transport frame (220), and the second support plate (222) is used for abutting The battery tray is deformed and the battery tray is placed. 6. The transportation device according to claim 5, characterized in that, a plurality of conveying rollers (310) are rotatably arranged on the bracket (100), and the second support plate (222) can be positioned in two adjacent places. between the conveying rollers (310). 7. The transportation device according to claim 6, wherein a baffle plate (320) is provided on the bracket (100), and the baffle plate (320) is arranged behind the conveying roller (310). 8. The transportation device according to claim 1, characterized in that, a blocking component (430) is provided on the bracket (100), and the blocking component (430) is provided on the transport frame (220) Above, the blocking assembly (430) is provided with a plurality of blocking plugs. 9. A battery detection device, comprising: The transport device of any one of claims 1-8; A probe assembly (420) is disposed above the transport frame (220), and a plurality of current probes for abutting electrodes of a battery are disposed on the probe assembly (420). 10. A battery detection method, using the battery detection device according to claim 9 for battery detection, characterized in that it comprises the following steps: transport the battery tray over the transport rack (220); controlling the power unit (210) and/or the probe assembly (420) such that the current probe abuts the electrodes of the batteries in the battery tray; Controls the power supply to power the current probe to detect the battery.

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