CN212779082U

CN212779082U - Simple device for measuring expansion amount of module

Info

Publication number: CN212779082U
Application number: CN202022088852.4U
Authority: CN
Inventors: 刘松; 胡新华; 岳耀立; 曹俊义
Original assignee: Tianjin EV Energies Co Ltd
Current assignee: Tianjin EV Energies Co Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-03-23
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a simple device for measuring the expansion amount of a module, which comprises a flat plate, two positioning columns and a measuring tool, wherein the two positioning columns are respectively and vertically connected with the two ends of the flat plate, the distance between the two positioning columns corresponds to the distance between two holes at the opposite angle of the module, and the middle part of the flat plate is provided with a through hole for inserting a measuring part of the measuring tool; during the use, two locating column bottoms insert module diagonal angle two holes respectively, and measuring tool's measuring part inserts measuring tool bottom contact module center department behind the through-hole. And checking the scale of the plate ruler at the moment, and calculating to obtain the expansion amount of the module. Compared with the prior art, the utility model discloses it is convenient, nimble to use, need not to disassemble out the module from battery system and just can accomplish the inflation measurement of module.

Description

Simple device for measuring expansion amount of module

Technical Field

The utility model belongs to the technical field of the battery is made, especially, relate to a measure expanded device of module.

Background

The module is formed by stacking and assembling a plurality of polymer lithium ion battery cells, in the process of using or placing the polymer lithium ion battery pack, the battery cells expand due to chemical reaction inside a single battery cell, in the later screening, the expansion measurement of the module is generally judged firstly, and if the expansion exceeds the specification, the expansion measurement of the internal battery cells is further carried out.

The present market uses a height tester-like test apparatus which is composed of an upper and a lower flat plate and a distance measuring instrument. The die set is first placed between upper and lower plates and the distance between the plates is measured to reflect the expansion height of the die set.

The existing measuring equipment has large volume and can not detect the expansion amount of the module quickly and flexibly. Especially, for the module which is installed in the battery system, the module needs to be disassembled completely, so that the height measurement of the module can be carried out, and the use is inconvenient.

Disclosure of Invention

An object of the utility model is to provide a simple and easy device of module inflation volume test aims at solving the not simple and convenient technical problem of module inflation detection mode that exists among the above-mentioned background art.

For solving the above technical problem, the utility model discloses a technical scheme is:

a simple device for measuring the expansion amount of a module comprises a flat plate, positioning columns and a measuring tool, wherein the two positioning columns are respectively and vertically connected to two ends of the flat plate, the distance between the two positioning columns corresponds to the distance between two holes at opposite angles of the module, and the middle part of the flat plate is provided with a through hole for inserting a measuring part of the measuring tool; during the use, two locating column bottoms insert module diagonal angle two holes respectively, and measuring tool's measuring part inserts measuring tool bottom contact module center department behind the through-hole.

Furthermore, the two ends of the flat plate are detachably connected with the transition block respectively, and the positioning columns are vertically connected to the bottom of the transition block.

Furthermore, the top of two ends of the flat plate is provided with an upper lip extending outwards, the bottom of the transition block extends outwards to form a lower lip matched with the upper lip, and the upper lip and the lower lip are connected through a bolt.

Furthermore, the positioning column includes that the positioning column link inserts the end with the positioning column, the positioning column link is connected with transition piece bolted connection, the positioning column inserts the end and connects in positioning column link bottom.

Further, the measuring tool is selected from a board ruler or a vernier caliper.

During the measurement, fix two reference columns respectively in the hole of module diagonal angle, use measuring tool to insert from the through-hole department of device and contact module central surface, look over the board chi scale this moment, calculate and reachs the module inflation volume. Compared with the prior art, the utility model discloses it is convenient, nimble to use, need not to disassemble out the module from battery system and just can accomplish the inflation measurement of module.

Drawings

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

Fig. 1 is a schematic view of the utility model of a simple device for measuring the expansion of the module.

Fig. 2 is a schematic structural diagram of the simple device for measuring the expansion amount of the module according to the present invention.

Fig. 3 is a detailed schematic diagram of the simple device for measuring the expansion amount of the module according to the present invention.

In the figure, 1-flat plate, 2-positioning column, 3-measuring tool, 4-module, 5-through hole, 6-transition block, 7-upper lip, 8-lower lip, 9-positioning column connecting end and 10-positioning column inserting end.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the present invention will be further clearly and completely described below with reference to the accompanying drawings and embodiments. In addition, the features of the embodiments and examples in the present application may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the simple device for measuring the expansion amount of a module according to an exemplary embodiment of the present invention includes a flat plate 1, two positioning columns 2 and a measuring tool 3, wherein the two positioning columns 2 are respectively vertically connected to two ends of the flat plate 1, the distance between the two positioning columns 2 corresponds to the distance between two opposite corners of the module 4, and a through hole 5 for inserting a measuring part of the measuring tool 3 is formed in the middle of the flat plate 1; during the use, two 2 bottoms of reference column insert two diagonal holes of module 4 respectively, and measuring tool 3's measuring part inserts measuring tool bottom contact module 4 center department behind through-hole 5.

In the above embodiment, the positioning posts 2 are used for positioning with the module. The measuring tool 3 can be a board ruler or a vernier caliper. When the plate ruler is used, the plate ruler is directly inserted into the through hole 5; when the vernier caliper is used, the measuring rod of the vernier caliper is inserted into the through hole 5. In the following embodiments, a plate ruler is used as an example.

The location of maximum expansion of the die set is at the center of the die set. As shown in fig. 1, according to the above embodiment, the positioning post 2 is fixed in the hole at the diagonal of the module 4 during measurement, the plate ruler is inserted from the through hole 5 of the device to contact the central surface of the module, the scale of the plate ruler at this time is checked, and the expansion amount of the module is calculated.

In a preferred embodiment, the two ends of the flat plate 1 are detachably connected with the transition blocks 6 respectively, the positioning columns 2 are vertically connected to the bottoms of the transition blocks 6, the transition blocks 6 can be replaced, and the transition blocks 6 with corresponding sizes are replaced according to different module sizes, so that the universality is improved, and the flat plate is suitable for modules with interval sizes.

As shown in fig. 2 and 3, on the basis of the above embodiments, in relative detail, the top of each end of the flat plate 1 is provided with an upper lip 7 extending outwards, the bottom of the transition block 6 extends outwards to form a lower lip 8 matched with the upper lip 7, the upper lip 7 and the lower lip 8 are connected through bolts, and the detachable connection of the flat plate 1 and the transition block 6 is realized through the bolts.

In another preferred embodiment, as shown in fig. 3, the positioning column 2 includes a positioning column connecting end 9 and a positioning column inserting end 10, the positioning column connecting end 9 is connected with the transition block 6 by a bolt, and the positioning column inserting end 10 is connected to the bottom of the positioning column connecting end 9. The top of the positioning column connecting end 9 is provided with a thread, the transition block 6 is correspondingly provided with a threaded hole, and the positioning column connecting end 9 is in threaded connection with the transition block 6. The diameter of reference column link 9 is greater than reference column and inserts end 10, and after reference column inserted end 10 inserted the diagonal hole of module, reference column link 9 bottom had limiting displacement.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. A simple device for measuring the expansion amount of a module is characterized by comprising a flat plate (1), positioning columns (2) and a measuring tool (3), wherein the two positioning columns (2) are respectively and vertically connected to two ends of the flat plate (1), the distance between the two positioning columns (2) corresponds to the distance between two diagonal holes of the module (4), and the middle part of the flat plate (1) is provided with a through hole (5) for inserting a measuring part of the measuring tool (3); the bottoms of the two positioning columns (2) are respectively inserted into two diagonal holes of the module (4), and the measuring part of the measuring tool (3) is inserted into the center of the measuring tool bottom contact module (4) after being inserted into the through hole (5).

2. The simple device for measuring the expansion amount of the module according to claim 1, wherein the two ends of the flat plate (1) are respectively detachably connected with the transition block (6), and the positioning column (2) is vertically connected to the bottom of the transition block (6).

3. The simple device for measuring the expansion amount of the module according to claim 2 is characterized in that the top parts of the two ends of the flat plate (1) are provided with outward extending upper lips (7), the bottom parts of the transition blocks (6) extend outwards to form lower lips (8) matched with the upper lips (7), and the upper lips (7) and the lower lips (8) are connected through bolts.

4. The simple device for measuring the expansion amount of the module as claimed in claim 1, 2 or 3, wherein the positioning column (2) comprises a positioning column connecting end (9) and a positioning column inserting end (10), the positioning column connecting end (9) is in bolted connection with the transition block (6), and the positioning column inserting end (10) is connected to the bottom of the positioning column connecting end (9).

5. The simple device for measuring the expansion amount of the die set according to claim 4, wherein: the measuring tool (3) is selected from a board ruler or a vernier caliper.