CN216283278U - Measuring device - Google Patents

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 technique

Rechargeable and dischargeable batteries usually expand in volume during charging and discharging. Studying the expansion of batteries can help to study how to improve the service life of batteries and how to better utilize the potential of batteries. Current research on battery swelling is usually done using swelling force tests or simulations.

Expansion force test is usually carried out using expansion force tooling, and the test results are displayed in the form of force, which is often the overall force condition of the entire force-bearing surface, which cannot reflect the expansion of specific points on the force-bearing surface; expansion force simulation usually requires input first A large amount of measured data is then simulated with the help of simulation software. If there are flaws in the measured data or model establishment, it is difficult to accurately display the actual expansion of the battery.

Utility model content

The main purpose of the present invention is to provide a measuring device to solve the problem that the expansion of the battery in the prior art is inconvenient to measure.

In order to achieve the above purpose, the present utility model provides a measuring device for measuring the deformation of the object to be measured, the measuring device comprises: a measuring station for placing the object to be measured; a first distance measuring sensor for measuring its the first distance with the object to be measured; the second distance measuring sensor is used to measure the second distance between it and the object to be measured; the second distance measuring sensor and the first distance measuring sensor are arranged opposite to the measuring station On both sides, the ranging end of the second ranging sensor and the ranging end of the first ranging sensor are arranged oppositely; the control module is connected in communication with both the first ranging sensor and the second ranging sensor to obtain the first distance and the second distance, and obtain the deformation of the object to be measured according to the first distance and the second distance.

Further, the measuring device includes a plurality of first ranging sensors, and the plurality of first ranging sensors are arranged at intervals; the measuring device includes a plurality of second ranging sensors, and the plurality of second ranging sensors are arranged at intervals; The distance sensors are arranged in a one-to-one correspondence with the plurality of first distance measuring sensors, and each second distance measuring sensor is arranged opposite to the corresponding first distance measuring sensor.

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

Further, the measuring device further includes: a first mounting piece, on which the first ranging sensor is mounted; a second mounting piece, which is arranged at an interval from the first mounting piece, and the second ranging sensor is mounted on the second mounting piece superior.

Further, the first distance measuring sensor is arranged on the first mounting member in a position-adjustable manner; and/or, the second distance-measuring sensor is arranged on the second mounting member in a position-adjustable manner.

Further, the measuring device also includes: a positioning assembly, which is arranged on the measuring station, the positioning assembly has a positioning space, and at least part of the positioning assembly is adjustable in position to change the size of the positioning space, so that the workpiece to be measured is limited in within the positioning space.

Further, the positioning assembly includes a plurality of limit blocks, the plurality of limit blocks enclose a positioning space, and the position of the limit blocks is adjustable.

Further, the measurement device further includes: a support seat, a measurement station is arranged on the support seat, and the support seat is used to carry the object to be measured.

Further, a wire is provided on the piece to be measured; the measuring device further includes: a wire support member, which is arranged above the measurement station, and the wire support member is used for connecting with the wire.

Further, the measuring device further includes a support seat, the first end of the first mounting piece is connected with the support seat, and the first end of the second mounting piece is connected with the support seat; the wire support piece is arranged on the second end of the first mounting piece and the support seat. on the second end of the second mount.

The measuring device of the utility model is used for measuring the deformation of the piece to be measured, the measuring device has a measuring station for placing the piece to be measured, and when measuring the deformation of the piece to be measured, the piece to be measured is placed in the measuring station, The first distance measuring sensor measures the first distance between it and the object to be measured, and the second distance measuring sensor measures the second distance between it and the object to be measured; The ranging ends of a ranging sensor are arranged oppositely, and the control module can calculate the distance between the ranging end of the second ranging sensor and the ranging end of the first ranging sensor according to the received first and second distances. The deformed thickness (ie, the deformed thickness) of the piece to be measured, and then the deformed thickness is compared with the thickness of the piece to be measured before deformation (ie, the initial thickness) to obtain the deformation of the piece to be measured. Specifically, the object to be measured is a battery, and the measurement device can obtain the displacement change of the battery in its thickness direction (that is, the direction in which the second ranging sensor and the first ranging sensor are spaced apart), and then obtain the battery during the charging and discharging process. The expansion of the battery is convenient to detect the expansion of the battery, and the expansion of a specific point can be detected.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 shows a schematic structural diagram of an embodiment of a measuring device according to the present invention.

Wherein, the above-mentioned drawings include the following reference signs:

10. Piece to be measured; 11. Conductor; 20. First ranging sensor; 40. First mounting piece; 50. Second mounting piece; 60. Positioning assembly; 61. Positioning space; 62. Limit block; 70, Support seat; 80. Conductor support.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the application. Unless otherwise defined, 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 should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

The utility model provides a measuring device, please refer to FIG. 1 , which is used to measure the deformation of the object to be measured 10 . The measuring device includes: a measuring station for placing the object to be measured 10 ; a first distance measuring sensor 20 for is used to measure the first distance between it and the object to be measured 10; the second distance measuring sensor is used to measure the second distance between it and the object to be measured 10; the second distance measuring sensor is arranged with the first distance measuring sensor 20 On opposite sides of the measuring station, the ranging end of the second ranging sensor and the ranging end of the first ranging sensor 20 are arranged opposite to each other; the control module communicates with both the first ranging sensor 20 and the second ranging sensor connected to obtain the first distance and the second distance, and calculate the deformed thickness of the piece to be measured 10 according to the first distance and the second distance to compare the deformed thickness with the initial thickness of the piece to be measured 10 to obtain the Deformation of part 10.

The measuring device of the present invention is used for measuring the deformation of the object to be measured 10, and the measuring device has a measuring station for placing the object to be measured 10. When measuring the deformation of the object to be measured 10, the object to be measured 10 is placed on the In the measuring station, the first distance measuring sensor 20 measures the first distance between it and the object to be measured 10, and the second distance measuring sensor measures the second distance between it and the object to be measured 10; The ranging end of the sensor and the ranging end of the first ranging sensor 20 are arranged opposite to each other, and the control module can calculate the ranging end and the first ranging end located in the second ranging sensor according to the received first distance and second distance. The deformed thickness (ie, the deformed thickness) of the object to be measured 10 between the distance measuring ends of the sensors 20 , and then the deformed thickness is compared with the thickness of the object to be measured 10 before deformation (ie, the initial thickness) to obtain the object to be measured. 10 deformations. Specifically, the object to be measured 10 is a battery, and the measurement device can obtain the displacement change of the battery in its thickness direction (that is, the direction in which the second ranging sensor and the first ranging sensor 20 are arranged at intervals), and then obtain the battery during charging and discharging. The expansion in the process is convenient to detect the expansion of the battery, and the expansion of a specific point can be detected.

Specifically, in addition to a battery, the object to be measured 10 can also be a battery with a clamp. At this time, the expansion of the battery causes the corresponding expansion of the clamp, and the measuring device obtains the expansion of the battery by measuring the expansion of the clamp; It can also be a battery tool that supports the battery. At this time, the expansion of the battery causes the corresponding expansion of the tool, and the measuring device obtains the expansion of the battery by measuring the expansion of the tool. Of course, the measuring device is also suitable for measuring the deformation of other products.

In this 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 includes a plurality of second ranging sensors, and the plurality of second ranging sensors are arranged at intervals; The plurality of second ranging sensors are arranged in a one-to-one correspondence with the plurality of first ranging sensors 20 , and each second ranging sensor is arranged opposite to the corresponding first ranging sensor 20 . Such an arrangement can measure the thickness of multiple specific points of the object to be measured 10 through multiple pairs of the first ranging sensor 20 and the second ranging sensor arranged opposite to each other, and can accurately display the actual deformation of the object to be measured 10 .

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

In the specific implementation, the laser ranging sensor can set the acquisition time interval, the laser ranging sensor measures the distance every time interval, and transmits and stores the measurement data in the controller (which can be a computer), which can reflect the waiting time. Tendency to measure part deformation.

In this embodiment, the measuring device further includes: a first mounting member 40 on which the first distance measuring sensor 20 is mounted; The distance sensor is mounted on the second mount 50 . Such an arrangement realizes the function of supporting the first ranging sensor 20 and the second ranging sensor.

In this embodiment, the first distance measuring sensor 20 is arranged on the first mounting member 40 in a position-adjustable manner; and/or, the second distance-measuring sensor is arranged on the second mounting member 50 in a position-adjustable manner. Such a setting can freely select which position of the thickness of the object to be measured 10 needs to be detected, which improves the flexibility and application range of the measuring device.

In this embodiment, the measuring device further includes: a positioning assembly 60, which is arranged on the measuring station, the positioning assembly 60 has a positioning space 61, and at least a part of the position of the positioning assembly 60 is adjustable to change the size of the positioning space 61, In order to limit the object to be measured 10 in the positioning space 61 . The positioning assembly 60 is used to limit the movement of the object to be measured 10 to ensure the accuracy of measurement; and since the size of the positioning space 61 is adjustable, the measuring device can be applied to objects to be measured of different shapes and sizes.

In this embodiment, the positioning assembly 60 includes a plurality of limit blocks 62, the plurality of limit blocks 62 enclose a positioning space 61, and the position of the limit blocks 62 is adjustable. Such an arrangement realizes that the size of the positioning space 61 can be adjusted and realizes the limit of the object to be measured.

In this embodiment, the measuring device further includes: a support base 70 , a measuring station is set on the support base 70 , and the support base 70 is used to carry the object to be measured 10 . The support base 70 mainly plays a supporting role for the object to be measured 10 .

Specifically, each of the limiting blocks 62 is disposed on the support base 70 in a position-adjustable manner.

In this embodiment, a wire 11 is provided on the piece to be measured 10 ; the measuring device further includes: a wire support 80 , which is arranged above the measurement station, and is used for connecting with the wire 11 . The wire support member 80 is provided to support the wire 11 , which makes the arrangement of the wire 11 more reasonable, avoids confusion in the placement of the wire 11 , and improves the safety and operability of the measuring device.

Optionally, at least two conducting wires 11 are provided on the component to be measured 10, the measuring device includes at least two conducting wire supporting members 80, and the at least two conducting wire supporting members 80 are arranged in a one-to-one correspondence with the at least two conducting wires 11, and each conducting wire supports Pieces 80 are used to connect with the corresponding wires 11 . Such an arrangement can ensure that the routing of each wire 11 is clear and reasonable, which facilitates the correct connection of the wire 11 and also ensures the safety of the measuring device.

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

Specifically, two wires 11 are provided on the part to be measured 10, the first end of one wire 11 is connected to the positive pole of the part to be measured 10, the first end of the other wire 11 is connected to the negative pole of the part to be measured 10, The second ends of the two wires 11 are both connected to a power source or a load to implement charging and discharging; alternatively, the second ends of the two wires 11 are both connected to a side-view device to implement battery charge and discharge detection.

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

Specifically, the first mounting member 40 and the second mounting member 50 are both plate-like structures, and both the first mounting member 40 and the second mounting member 50 are placed vertically, and they are arranged in parallel; the wire support member 80 is arranged on the first On the tops of the first mounting member 40 and the second mounting member 50 , the wire supporting member 80 is a rod-shaped structure, and the rod-shaped structure extends along the direction in which the first mounting member 40 and the second mounting member 50 are spaced apart.

Optionally, the support base 70 is a plate-like structure; the support base 70 can be made of steel, aluminum, flame-retardant plastic, etc. When the support base 70 is made of steel or aluminum, the surface of the support base 70 should be insulated.

In this embodiment, the measuring device further includes a standard block. The standard block and the object to be measured 10 have the same structure, shape and size. Before measuring the object to be measured 10, the measuring device is calibrated by the standard block.

Optionally, the thickness standard block is made of plastic, aluminum, steel, alloy and other materials.

In one embodiment, the measuring device is used to measure the expansion of the battery for charge and discharge detection.

The measuring device of the present application can directly measure the expansion of the battery during the charging and discharging process. In a specific implementation, the method for measuring the expansion of the battery is as follows: a standard set that is close to the thickness of the battery to be measured (that is, the object to be measured) is set. In the positioning space, the first laser ranging sensor and the second laser ranging sensor are calibrated by limiting the position through the limit block. After the calibration is completed, the first laser ranging sensor and the second laser ranging sensor are kept in the same position Change; place the battery to be measured in the limit block, and connect the positive and negative poles to the corresponding wires; charge and discharge the battery to be measured, the first laser ranging sensor and the second laser ranging sensor are set according to the set The detection frequency continuously monitors the thickness of the battery to be measured to obtain the expansion of the battery to be measured. The thickness of the battery to be measured here is the thickness in the direction in which the first laser ranging sensor and the second laser ranging sensor are spaced apart.

The advantages of the measuring device of the present application are that the operation is simple, the efficiency is high, the data is intuitive, and the scope of application is wide.

From the above description, it can be seen that the above-mentioned embodiments of the present utility model achieve the following technical effects:

The measuring device of the present invention is used for measuring the deformation of the object to be measured 10, and the measuring device has a measuring station for placing the object to be measured 10. When measuring the deformation of the object to be measured 10, the object to be measured 10 is placed on the In the measuring station, the first distance measuring sensor 20 measures the first distance between it and the object to be measured 10, and the second distance measuring sensor measures the second distance between it and the object to be measured 10; The ranging end of the sensor and the ranging end of the first ranging sensor 20 are arranged opposite to each other, and the control module can calculate the ranging end and the first ranging end located in the second ranging sensor according to the received first distance and second distance. The deformed thickness (ie, the deformed thickness) of the object to be measured 10 between the distance measuring ends of the sensors 20 , and then the deformed thickness is compared with the thickness of the object to be measured 10 before deformation (ie, the initial thickness) to obtain the object to be measured. 10 deformations. Specifically, the object to be measured 10 is a battery, and the measurement device can obtain the displacement change of the battery in its thickness direction (that is, the direction in which the second ranging sensor and the first ranging sensor 20 are arranged at intervals), and then obtain the battery during charging and discharging. The expansion in the process is convenient to detect the expansion of the battery, and the expansion of a specific point can be detected.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances such that the embodiments of the application described herein can, for example, be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

For ease of description, spatially relative terms, such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that 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 the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below." The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A measuring device, characterized in that it is used for measuring the deformation of a piece to be measured (10), the measuring device 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 object to be measured (10); a second distance measuring sensor, used for measuring the second distance between it and the object to be measured (10); the second distance measuring sensor and the first distance measuring sensor (20) are arranged on the measuring device On opposite sides of the position, the ranging end of the second ranging sensor and the ranging end of the first ranging sensor (20) are arranged opposite to each other; A control module, connected in communication with both the first distance measuring sensor (20) and the second distance measuring sensor, so as to obtain the first distance and the second distance, and according to the first distance and the second distance The second distance obtains the deformation of the object to be measured (10). 2. The measuring device according to claim 1, characterized in that, the measuring device comprises a plurality of the first ranging sensors (20), and the plurality of the first ranging sensors (20) are arranged at intervals; the The measuring device includes a plurality of the second ranging sensors, and the plurality of the second ranging sensors are arranged at intervals; A plurality of the second ranging sensors are arranged in a one-to-one correspondence with a plurality of the first ranging sensors (20), and each of the second ranging sensors is opposite to the corresponding first ranging sensor (20). set up. 3. The measuring device according to claim 1, wherein the first ranging sensor (20) is a laser ranging sensor; and/or The second ranging sensor is a laser ranging sensor. 4. The measurement device according to any one of claims 1 to 3, wherein the measurement device further comprises: a first mounting member (40), the first ranging sensor (20) is mounted on the first mounting member (40); A second mounting member (50) is arranged spaced apart from the first mounting member (40), and the second distance measuring sensor is mounted on the second mounting member (50). 5. The measuring device according to claim 4, characterized in that, The position of the first distance measuring sensor (20) is adjustable on the first mounting member (40); and/or The position of the second distance measuring sensor is adjustable on the second mounting member (50). 6. The measuring device according to any one of claims 1 to 3, wherein the measuring device further comprises: A positioning assembly (60) is provided on the measuring station, the positioning assembly (60) has a positioning space (61), and at least part of the position of the positioning assembly (60) is adjustable to change the positioning The size of the space (61) is such that the object to be measured (10) is limited in the positioning space (61). 7 . The measuring device according to claim 6 , wherein the positioning assembly ( 60 ) comprises a plurality of limit blocks ( 62 ), and the plurality of limit blocks ( 62 ) enclose the positioning space ( 7 . 8 . 61), the position of the limit block (62) is adjustable. 8. The measurement device according to any one of claims 1 to 3, wherein the measurement device further comprises: A support base (70), the measuring station is provided on the support base (70), and the support base (70) is used to carry the to-be-measured piece (10). 9. The measuring device according to claim 4, characterized in that, a wire (11) is provided on the to-be-measured piece (10); the measuring device further comprises: A wire support member (80) is arranged above the measurement station, and the wire support member (80) is used for connecting with the wire (11). 10. The measuring device according to claim 9, characterized in that, the measuring device further comprises a support seat (70), and the first end of the first mounting member (40) is connected to the support seat (70) , the first end of the second mounting member (50) is connected with the support seat (70); The wire support (80) is provided on the second end of the first mount (40) and the second end of the second mount (50).

Images