CN216283278U

CN216283278U - Measuring device

Info

Publication number: CN216283278U
Application number: CN202122410788.1U
Authority: CN
Inventors: 张俊川; 苏家磊; 李文成; 张旺
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-12
Anticipated expiration: 2031-09-30

Abstract

The utility model provides a measuring device for measuring the deformation of an object to be measured, comprising: the measuring station is used for placing a piece to be measured; the first distance measuring sensor is used for measuring a first distance between the first distance measuring sensor and an object to be measured; the second distance measuring sensor is used for measuring a second distance between the second distance measuring sensor and the piece to be measured; the second distance measuring sensor and the first distance measuring sensor are arranged on two opposite sides of the measuring station, and the distance measuring end of the second distance measuring sensor is opposite to the distance measuring end of the first distance measuring sensor; and the control module is in communication connection with the first distance measuring sensor and the second distance measuring sensor to acquire a first distance and a second distance and acquire the deformation condition of the to-be-measured piece according to the first distance and the second distance. The measuring device solves the problem that the expansion condition of the battery in the prior art is inconvenient to measure.

Description

Measuring device

Technical Field

The utility model relates to the field of batteries, in particular to a measuring device.

Background

The expansion of the volume of the chargeable and dischargeable battery generally occurs during the charging and discharging process, and the research on the expansion condition of the battery is helpful for researching how to improve the service life of the battery and how to better develop the use potential of the battery. Current research on battery expansion is typically conducted using a form of expansion force testing or simulation.

The expansion force test is usually carried out by using an expansion force tool, and the test result is displayed in a force form, is usually the whole stress condition of the whole stress surface and cannot reflect the expansion condition of a specific point on the stress surface; the expansion force simulation usually needs to input a large amount of measured data, then simulation is carried out by means of simulation software, and if the measured data or model building has flaws, the actual expansion condition of the battery is difficult to accurately show.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a measuring device to solve the problem that the expansion condition of a battery in the prior art is inconvenient to measure.

In order to achieve the above object, the present invention provides a measuring apparatus for measuring a deformation of an object to be measured, the measuring apparatus comprising: the measuring station is used for placing a piece to be measured; the first distance measuring sensor is used for measuring a first distance between the first distance measuring sensor and an object to be measured; the second distance measuring sensor is used for measuring a second distance between the second distance measuring sensor and the piece to be measured; the second distance measuring sensor and the first distance measuring sensor are arranged on two opposite sides of the measuring station, and the distance measuring end of the second distance measuring sensor is opposite to the distance measuring end of the first distance measuring sensor; and the control module is in communication connection with the first distance measuring sensor and the second distance measuring sensor to acquire a first distance and a second distance and acquire the deformation condition of the to-be-measured piece according to the first distance and the second distance.

Further, the measuring device comprises a plurality of first ranging sensors which are arranged at intervals; the measuring device comprises a plurality of second ranging sensors which are arranged at intervals; a plurality of second range finding sensors and a plurality of first range finding sensors set up one-to-one, and each second range finding sensor sets up with corresponding first range finding sensor relatively.

Further, the first distance measuring sensor is a laser distance measuring sensor; and/or the second distance measuring sensor is a laser distance measuring sensor.

Further, the measuring device further includes: the first distance measuring sensor is arranged on the first mounting piece; the second installed part is arranged at an interval with the first installed part, and the second ranging sensor is installed on the second installed part.

Further, a first ranging sensor is adjustably positioned on the first mount; and/or the second ranging sensor is adjustably positioned on the second mount.

Further, the measuring device further includes: the positioning assembly is arranged on the measuring station and provided with a positioning space, and at least part of the positioning assembly is adjustably arranged to change the size of the positioning space so that the part to be measured is limited in the positioning space.

Furthermore, the positioning assembly comprises a plurality of limiting blocks, a positioning space is defined by the limiting blocks, and the positions of the limiting blocks are adjustably arranged.

Further, the measuring device further includes: the supporting seat is provided with a measuring station and is used for bearing a piece to be measured.

Furthermore, a lead is arranged on the piece to be measured; the measuring device further includes: and the wire support is arranged above the measuring station and is used for being connected with a wire.

Furthermore, the measuring device also comprises a supporting seat, wherein the first end of the first mounting part is connected with the supporting seat, and the first end of the second mounting part is connected with the supporting seat; the wire support member is disposed on the second end of the first mounting member and the second end of the second mounting member.

The measuring device is used for measuring the deformation condition of the to-be-measured piece, the measuring device is provided with a measuring station for placing the to-be-measured piece, when the deformation condition of the to-be-measured piece is measured, the to-be-measured piece is placed on the measuring station, a first distance between the first distance measuring sensor and the to-be-measured piece is measured by the first distance measuring sensor, and a second distance between the second distance measuring sensor and the to-be-measured piece is measured by the second distance measuring sensor; because the distance measuring end of the second distance measuring sensor and the distance measuring end of the first distance measuring sensor are arranged oppositely, the control module can calculate the deformed thickness (namely the deformed thickness) of the part to be measured between the distance measuring end of the second distance measuring sensor and the distance measuring end of the first distance measuring sensor according to the received first distance and the second distance, and then the deformed thickness is compared with the non-deformed thickness (namely the initial thickness) of the part to be measured, so that the deformation condition of the part to be measured is obtained. Specifically, the to-be-measured piece is a battery, and the displacement change of the battery in the thickness direction (namely the direction in which the second distance measuring sensor and the first distance measuring sensor are arranged at intervals) can be obtained through the measuring device, so that the expansion condition of the battery in the charging and discharging process is obtained, the expansion condition of the battery is convenient to detect, and the expansion condition of a specific point can be detected.

Drawings

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

fig. 1 shows a schematic structural view of an embodiment of a measuring device according to the utility model.

Wherein the figures include the following reference numerals:

10. a piece to be measured; 11. a wire; 20. a first ranging sensor; 40. a first mounting member; 50. a second mount; 60. a positioning assembly; 61. positioning a space; 62. a limiting block; 70. a supporting seat; 80. a wire support.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. 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, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a measuring device, please refer to fig. 1, for measuring the deformation of an object to be measured 10, the measuring device includes: a measuring station for placing the piece to be measured 10; a first distance measuring sensor 20 for measuring a first distance between it and the piece to be measured 10; a second distance measuring sensor for measuring a second distance between the second distance measuring sensor and the object to be measured 10; the second distance measuring sensor and the first distance measuring sensor 20 are arranged on two opposite sides of the measuring station, and the distance measuring end of the second distance measuring sensor is opposite to the distance measuring end of the first distance measuring sensor 20; and the control module is in communication connection with the first distance measuring sensor 20 and the second distance measuring sensor to obtain a first distance and a second distance, and calculates the deformation thickness of the piece to be measured 10 according to the first distance and the second distance so as to compare the deformation thickness with the initial thickness of the piece to be measured 10 to obtain the deformation condition of the piece to be measured 10.

The measuring device is used for measuring the deformation condition of the to-be-measured piece 10, the measuring device is provided with a measuring station for placing the to-be-measured piece 10, when the deformation condition of the to-be-measured piece 10 is measured, the to-be-measured piece 10 is placed at the measuring station, a first distance between the first distance measuring sensor 20 and the to-be-measured piece 10 is measured, and a second distance between the second distance measuring sensor and the to-be-measured piece 10 is measured; because the distance measuring end of the second distance measuring sensor and the distance measuring end of the first distance measuring sensor 20 are arranged oppositely, the control module can calculate the deformed thickness (namely, the deformed thickness) of the part to be measured 10 between the distance measuring end of the second distance measuring sensor and the distance measuring end of the first distance measuring sensor 20 according to the received first distance and the second distance, and then the deformed thickness is compared with the non-deformed thickness (namely, the initial thickness) of the part to be measured 10, so that the deformation condition of the part to be measured 10 is obtained. Specifically, the to-be-measured element 10 is a battery, and displacement change of the battery in the thickness direction (i.e. the direction in which the second distance measuring sensor and the first distance measuring sensor 20 are arranged at intervals) can be obtained through the measuring device, so that the expansion condition of the battery in the charging and discharging process can be obtained, the expansion condition of the battery can be conveniently detected, and the expansion condition of specific points can be detected.

Specifically, the object 10 to be measured may be a battery with a clamp, in addition to the battery, in which case, the expansion of the clamp is caused by the expansion of the battery, and the measurement device obtains the expansion of the battery by measuring the expansion of the clamp; the battery tool for bearing the battery can be used, at the moment, the corresponding expansion of the tool is caused by the expansion of the battery, and the expansion condition of the battery is obtained by measuring the expansion condition of the tool by the measuring device. Of course, the measuring device is also suitable for measuring the deformation of other products.

In the present embodiment, the measuring device includes a plurality of first ranging sensors 20, and the plurality of first ranging sensors 20 are arranged at intervals; the measuring device comprises a plurality of second ranging sensors which are arranged at intervals; the plurality of second ranging sensors are disposed in one-to-one correspondence with the plurality of first ranging sensors 20, and each of the second ranging sensors is disposed opposite to the corresponding first ranging sensor 20. The arrangement can measure the thicknesses of a plurality of specific points of the to-be-measured piece 10 through a plurality of pairs of oppositely arranged first distance measuring sensors 20 and second distance measuring sensors, and can accurately show the actual deformation condition of the to-be-measured piece 10.

Optionally, the first ranging sensor 20 is a laser ranging sensor; and/or the second distance measuring sensor is a laser distance measuring sensor.

During specific implementation, the laser ranging sensor can set acquisition time intervals, measure the distance once every acquisition time interval, transmit and store the measurement data in the controller (which can be a computer), and further reflect the deformation trend of the piece to be measured.

In this embodiment, the measuring apparatus further includes: a first mounting part 40, on which the first ranging sensor 20 is mounted; and a second mounting part 50 spaced apart from the first mounting part 40, and a second ranging sensor mounted on the second mounting part 50. Such an arrangement accomplishes the function of supporting the first and second ranging

sensors

20 and 20.

In the present embodiment, the first ranging sensor 20 is positionally adjustably provided on the first mount 40; and/or a second ranging sensor position adjustably disposed on the second mount 50. The arrangement can freely select the position where the thickness of the to-be-measured piece 10 needs to be detected, and improves the flexibility and the application range of the measuring device.

In this embodiment, the measuring apparatus further includes: and the positioning assembly 60 is arranged on the measuring station, the positioning assembly 60 is provided with a positioning space 61, and at least part of the positioning assembly 60 is adjustably arranged in position so as to change the size of the positioning space 61 and limit the to-be-measured part 10 in the positioning space 61. The positioning component 60 is used for limiting the movement of the to-be-measured piece 10 and ensuring the accuracy of measurement; moreover, the size of the positioning space 61 is adjustable, so that the measuring device can be suitable for measuring pieces with different shapes and sizes.

In this embodiment, the positioning assembly 60 includes a plurality of limiting blocks 62, the plurality of limiting blocks 62 surround the positioning space 61, and the positions of the limiting blocks 62 are adjustably set. The size of the positioning space 61 can be adjusted by the arrangement, and the position of a part to be measured is limited.

In this embodiment, the measuring apparatus further includes: the measuring device comprises a supporting seat 70, wherein a measuring station is arranged on the supporting seat 70, and the supporting seat 70 is used for bearing the to-be-measured piece 10. The support seat 70 mainly functions to support the member to be measured 10.

Specifically, each of the stoppers 62 is adjustably positioned on the support base 70.

In the present embodiment, the to-be-measured member 10 is provided with a wire 11; the measuring device further includes: and a wire supporter 80 disposed above the measuring station, the wire supporter 80 being for connection with the wire 11. The wire support member 80 is provided for supporting the wire 11, so that the arrangement of the wire 11 is more reasonable, the disorder of the placement of the wire 11 is avoided, and the safety and operability of the measuring device are improved.

Optionally, at least two wires 11 are disposed on the member to be measured 10, the measuring device includes at least two wire supporting members 80, the at least two wire supporting members 80 are disposed in one-to-one correspondence with the at least two wires 11, and each wire supporting member 80 is connected to a corresponding wire 11. Due to the arrangement, the wiring of each wire 11 can be clear and reasonable, the wires 11 can be connected correctly, and the safety of the measuring device is also ensured.

Specifically, when the member to be measured 10 is a battery, a first end of the wire 11 is connected to a pole of the battery, a second end of the wire 11 is connected to a power source or a load, and a connection point of the wire support 80 and the wire 11 is located between the first end and the second end of the wire 11.

Specifically, two wires 11 are arranged on the to-be-measured piece 10, a first end of one wire 11 is connected with a positive pole of the to-be-measured piece 10, a first end of the other wire 11 is connected with a negative pole of the to-be-measured piece 10, and second ends of the two wires 11 are both connected with a power supply or a load so as to realize charging and discharging; or the second ends of the two wires 11 are connected with side-looking equipment to realize the charge and discharge detection of the battery.

In this embodiment, the measuring device further includes a supporting seat 70, the first end of the first mounting member 40 is connected to the supporting seat 70, and the first end of the second mounting member 50 is connected to the supporting seat 70; the wire support 80 is disposed on a second end of the first mount 40 and a second end of the second mount 50.

Specifically, the first mounting member 40 and the second mounting member 50 are both plate-shaped structures, and the first mounting member 40 and the second mounting member 50 are both vertically arranged and arranged in parallel; the wire support 80 is disposed on top of the first and second mounting

members

40 and 50, and the wire support 80 is a rod-like structure extending in a direction in which the first and second mounting

members

40 and 50 are spaced apart.

Alternatively, the support seat 70 is a plate-like structure; the support base 70 may be made of steel, aluminum, flame retardant plastic, etc., and when the support base 70 is made of steel or aluminum, the surface thereof should be insulated.

In this embodiment, the measuring apparatus further includes a standard block, the standard block and the to-be-measured object 10 have the same mechanism, shape and size, and the measuring apparatus is calibrated by the standard block before the to-be-measured object 10 is measured.

Optionally, the thickness gauge block is made of plastic, aluminum, steel, alloy, and the like.

In one embodiment, the measuring device is used for measuring the expansion of the battery detected by charging and discharging.

The measuring device can directly measure the expansion condition of the battery in the charging and discharging process, and the method for measuring the expansion condition of the battery is as follows: placing a standard close to the thickness of a battery to be measured (namely a to-be-measured element) in a positioning space, limiting through a limiting block, calibrating a first laser ranging sensor and a second laser ranging sensor, and keeping the positions of the first laser ranging sensor and the second laser ranging sensor unchanged after calibration is completed; placing a battery to be measured in a limiting block, and connecting positive and negative poles with corresponding leads; and the first laser ranging sensor and the second laser ranging sensor continuously monitor the thickness of the battery to be measured according to the set detection frequency simultaneously so as to acquire the expansion condition of the battery to be measured. The thickness of the battery to be measured is the thickness of the first laser ranging sensor and the second laser ranging sensor in the interval arrangement direction.

The measuring device has the advantages of being simple to operate, high in efficiency, visual in data and wide in application range.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A measuring device for measuring the deformation of an element (10) to be measured, comprising:

a measuring station for placing the piece to be measured (10);

a first distance measuring sensor (20) for measuring a first distance between it and the piece to be measured (10);

a second distance measuring sensor for measuring a second distance between the second distance measuring sensor and the piece to be measured (10); the second distance measuring sensor and the first distance measuring sensor (20) are arranged on two opposite sides of the measuring station, and the distance measuring end of the second distance measuring sensor is opposite to the distance measuring end of the first distance measuring sensor (20);

and the control module is in communication connection with the first distance measuring sensor (20) and the second distance measuring sensor to acquire the first distance and the second distance and obtain the deformation condition of the piece to be measured (10) according to the first distance and the second distance.

2. The measuring device according to claim 1, characterized in that it comprises a plurality of said first distance measuring sensors (20), said first distance measuring sensors (20) being arranged at intervals; the measuring device comprises a plurality of second ranging sensors which are arranged at intervals;

the plurality of second ranging sensors and the plurality of first ranging sensors (20) are arranged in a one-to-one correspondence mode, and each second ranging sensor is arranged opposite to the corresponding first ranging sensor (20).

3. The measuring device according to claim 1, characterized in that said first distance measuring sensor (20) is a laser distance measuring sensor; and/or

The second distance measuring sensor is a laser distance measuring sensor.

4. The measurement device according to any one of claims 1 to 3, further comprising:

a first mounting (40), the first ranging sensor (20) being mounted on the first mounting (40);

a second mount (50) spaced from the first mount (40), the second ranging sensor being mounted on the second mount (50).

5. A measuring device according to claim 4,

the first distance measuring sensor (20) is arranged on the first mounting part (40) in a position-adjustable manner; and/or

The second ranging sensor position is adjustably disposed on the second mount (50).

6. The measurement device according to any one of claims 1 to 3, further comprising:

the positioning assembly (60) is arranged on the measuring station, the positioning assembly (60) is provided with a positioning space (61), and at least part of the position of the positioning assembly (60) can be adjustably arranged to change the size of the positioning space (61) so that the part to be measured (10) is limited in the positioning space (61).

7. The measuring device according to claim 6, characterized in that the positioning assembly (60) comprises a plurality of stop blocks (62), the plurality of stop blocks (62) enclosing the positioning space (61), the position of the stop blocks (62) being adjustably arranged.

8. The measurement device according to any one of claims 1 to 3, further comprising:

the measuring device comprises a supporting seat (70), wherein the measuring station is arranged on the supporting seat (70), and the supporting seat (70) is used for bearing the to-be-measured piece (10).

9. A measuring device as claimed in claim 4, characterized in that the piece to be measured (10) is provided with a conducting wire (11); the measuring device further includes:

a wire support (80) disposed above the measuring station, the wire support (80) for connection with the wire (11).

10. The measuring device according to claim 9, further comprising a support seat (70), wherein a first end of the first mounting member (40) is connected to the support seat (70), and a first end of the second mounting member (50) is connected to the support seat (70);

the wire support (80) is disposed on a second end of the first mount (40) and a second end of the second mount (50).