CN217606070U

CN217606070U - Calibration device of side voltage and side resistance measuring device

Info

Publication number: CN217606070U
Application number: CN202220747174.4U
Authority: CN
Inventors: 施展; 冯玉川; 夏建华; 李峥
Original assignee: Qingtao Kunshan Automation Equipment Co ltd
Current assignee: Qingtao Kunshan Automation Equipment Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-10-18
Anticipated expiration: 2032-04-01

Abstract

The utility model provides a side voltage and side resistance measuring device's calibration equipment, comprising a main body, the main part includes two relative first ends that set up and two relative second ends that set up, be provided with positive pole and negative pole respectively on two relative first ends that set up, respectively be provided with the battery banding on two relative second ends that set up, be provided with output COM port on the battery banding, the side voltage of measuring electric core is simulated with one of them output COM port to the positive pole, the negative pole simulates the side resistance of measuring electric core with another output COM port, through setting up this calibration equipment's attribute (like side voltage, side resistance equivalence) to be unanimous with measuring electric core, during the use, place the calibration equipment at corresponding station, measure the voltage of positive pole and banding and the internal resistance of negative pole and banding fast, compare the voltage that obtains and internal resistance and the actual value that the calibration equipment designed, thereby check up the accuracy of measuring equipment fast.

Description

Calibration device of side voltage and side resistance measuring device

Technical Field

The application relates to the technical field of battery detection, in particular to a verifying device of a side voltage and side resistance measuring device.

Background

In the production process of the battery, the values of Open Circuit Voltage (OCV), edge voltage, edge resistance and ACR of the battery cell are required to be measured to determine whether the battery cell meets the requirements or not, and the battery cell is graded according to the measured actual numerical values. The measurement accuracy of the test equipment for measuring the numerical values cannot be evaluated or only can be checked one by one, and the production process is influenced due to the complex checking process and the large difficulty coefficient.

Therefore, a new calibration apparatus is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve one or more technical problems in the prior art, an embodiment of the present application provides a new calibration apparatus for a side voltage and side resistance measurement apparatus, so as to solve the problems that the accuracy of a test device for measuring the values of Open Circuit Voltage (OCV), side voltage, side resistance, and ACR of an electric core in the prior art cannot be evaluated or can only be calibrated one by one, and the calibration process is complicated, the difficulty coefficient is large, and the influence on the production process is caused.

In order to achieve the above purpose, the technical solution adopted by the present application to solve the technical problem is:

the application provides limit voltage and limit resistance measurement device's calibration equipment, calibration equipment includes the main part, the main part includes the first end of two relative settings and the second end of two relative settings, be provided with anodal and negative pole respectively on the first end of two relative settings, respectively be provided with the battery banding on the second end of two relative settings, be provided with output COM port on the battery banding, anodal and one of them the limit voltage of the volume of awaiting measuring electricity of output COM port simulation, negative pole and another the limit resistance of the volume of awaiting measuring electricity of output COM port simulation.

Furthermore, the checking device further comprises a power supply and a power supply management module, wherein the power supply is used for supplying power to the checking device, and the power supply management module is connected with the power supply and used for controlling the power supply.

Further, the checking device further comprises a power switch, the power switch is connected with the power supply and used for controlling the power supply to be opened and closed, the main body comprises a first surface and a second surface which are oppositely arranged, the battery sealing edge is arranged on the first surface, and the power switch is arranged on the second surface.

Furthermore, the checking device further comprises a power indicator light, the power indicator light is connected with the power supply and used for indicating the on or off state of the power supply, and the power indicator light is arranged on the second surface.

Further, the checking device further comprises an electric quantity indicator light and an electric quantity indicator light button, the electric quantity indicator light is used for indicating the residual electric quantity of the power supply, the electric quantity indicator light button is connected with the electric quantity indicator light and used for controlling the electric quantity indicator light to be turned on and turned off, and the electric quantity indicator light button are arranged on the second surface.

Further, the number of the power indicator lamps at least comprises 2, and each power indicator lamp is used for indicating different residual power of the power supply.

Furthermore, an accommodating space is arranged in the main body and used for accommodating the output COM port, the power supply and the power supply management module.

Furthermore, the accommodating space also comprises a space for accommodating the constant voltage output module, the resistor and the USB interface.

The technical scheme provided by the embodiment of the application has the following beneficial effects:

the verifying device comprises a main body, wherein the main body comprises two oppositely arranged first ends and two oppositely arranged second ends, the two oppositely arranged first ends are respectively provided with an anode and a cathode, the two oppositely arranged second ends are respectively provided with a battery edge sealing, the battery edge sealing is provided with an output COM port, the anode and one of the output COM ports simulate the edge voltage of a to-be-measured battery cell, the cathode and the other output COM port simulate the edge resistance of the to-be-measured battery cell, the attributes (such as the edge voltage and the edge resistance) of the verifying device are set to be consistent with the to-be-measured battery cell, when the verifying device is used, the verifying device is placed at a corresponding station, the voltages of the anode and the edge sealing and the internal resistances of the cathode and the edge sealing are rapidly measured, and the measured voltages and internal resistances are compared with the actual values designed by the verifying device, so that the accuracy of the measuring device is rapidly verified;

further, the calibration device of the side voltage and side resistance measurement device provided by the embodiment of the application is not required to be adjusted again when the calibration device is set to be the same as the to-be-measured battery cell in size and attribute, so that the calibration step of the measurement device is simplified, and the calibration efficiency is improved.

All products of this application need not have all of the above-described effects.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a viewing direction of a verifying apparatus of an edge voltage and edge resistance measuring apparatus provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of another view direction of a verifying device of the edge voltage and edge resistance measuring device according to the embodiment of the present application;

fig. 3 is a perspective view of a verification device of the edge voltage and edge resistance measurement device according to the embodiment of the present application.

Detailed Description

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As described in the background art, in the prior art, the accuracy of the test equipment for measuring the values of the Open Circuit Voltage (OCV), the edge voltage, the edge resistance, the ACR, and the like of the battery cell cannot be evaluated or can only be verified one by one, and the verification process is complicated and has a large difficulty coefficient, which causes problems of influencing the production process and the like.

In order to solve one or more technical problems in the prior art, the application creatively provides a novel calibration device of a side voltage and side resistance measurement device, the device is used for conveniently and rapidly calibrating related measurement equipment in real time, a standard component (namely a calibration device) with the same size as the battery cell model and the same attributes (such as OCV, side voltage, side resistance and ACR) is designed at corresponding stations such as OCV, side voltage, side resistance and ACR, the voltage of the positive electrode and the sealed edge and the internal resistance of the negative electrode and the sealed edge of the standard component are rapidly measured through the measurement equipment, the measured voltage and internal resistance are compared with the actual value designed by the standard component, and therefore the measurement equipment is rapidly calibrated, and the production efficiency is greatly improved.

The following describes embodiments of the present application in detail with reference to the drawings.

Fig. 1 is a schematic view of a direction of a verification device of an edge voltage and edge resistance measurement device according to an embodiment of the present disclosure, and fig. 2 is a schematic view of another direction of the verification device of an edge voltage and edge resistance measurement device according to an embodiment of the present disclosure, and referring to fig. 1 and fig. 2, the verification device according to an embodiment of the present disclosure mainly includes a main body 100, an anode 200, a cathode 300, two battery seals 400, an output port 500, a power supply (not shown), a power supply management module (not shown), a power switch 600, a power indicator 700, a power indicator 800, and a power indicator button 900. The main body 100 includes two first ends 110 disposed opposite to each other and two second ends 120 disposed opposite to each other, the positive electrode 200 and the negative electrode 300 are disposed on one of the first ends 110, the two battery sealing edges 400 are disposed on one of the second ends 120, and the two battery sealing edges 400 are provided with the output ports 500. The positive electrode 200 corresponds to a positive electrode of the electric core to be measured, the negative electrode 300 corresponds to a negative electrode of the electric core to be measured, the positive electrode 200 and one of the output COM ports 500 simulate the side voltage of the electric core to be measured, and the negative electrode 300 and the other output COM port 500 simulate the side resistance of the electric core to be measured.

In specific implementation, the size and the attribute of the checking device can be set to be the same as those of the electric core to be measured. Attributes include, but are not limited to, open Circuit Voltage (OCV), side voltage, side resistance, and ACR equivalence, among others. When specifically carrying out the check-up like this, need not adjust measuring equipment again, directly place calibration equipment at corresponding station, normally measure, simplify the check-up step to measuring equipment, improve check-up efficiency.

As a preferred embodiment, in the embodiment of the present application, the main body 100 includes a first surface 130 and a second surface 140 disposed opposite to each other, the battery seal 400 is disposed on the first surface 130, and the power switch 600, the power indicator 700, the power indicator 800, and the power indicator button 900 are disposed on the second surface 140. As an exemplary and non-limiting example, the first surface 130 may be a top surface of the main body 100, and the second surface 140 may be a bottom surface of the main body 100, in use, the top surface of the main body 100 faces the measuring device.

Specifically, the power supply is used for supplying power to the checking device, and the power management module is connected with the power supply and used for controlling the power supply. The power supply is controlled by the power supply management module, the power supply can be effectively distributed to different assemblies, the energy consumption of the assemblies in idle can be reduced, the service efficiency of the power supply is improved, the service life of the power supply is prolonged, and the like.

As a preferred embodiment, in the embodiment of the present invention, in order to simplify the structure of the verification apparatus and reduce the size of the verification apparatus, the main body 100 may be configured to be void-free, and components such as a power supply and a power supply management module may be disposed inside the main body 100. In specific implementation, as shown in fig. 3, an accommodating space 150 may be provided inside the main body 100, and all modules such as the power supply, the power supply management module, and the output COM port 500 may be disposed in the accommodating space 150. In addition, the accommodating space 150 can be reserved reasonably for accommodating the constant voltage output module, the resistor, the USB interface and other modules, so as to meet different requirements of the user on the calibration device.

As a preferred implementation manner, in the embodiment of the present application, the power switch 600 is connected to a power source and is used for controlling the power source to be turned on and off, when the power switch 600 is turned on, the power source is in an on state, the module can be normally used, and when the power switch 600 is turned off, the power source is in an off state, the module cannot be used. In a specific implementation, the power switch 600 may include a switch main body (not shown) disposed in the accommodating space 150 inside the body 100 and a switch button connected to the switch main body and disposed on the second surface 140.

As further shown in fig. 2, a power indicator 700 is disposed on the second side 140, and the power indicator 700 is connected to a power source for indicating an on or off state of the power source. Turning on the power switch 600, the power indicator 700 lights, indicating that the power is on, the module can be used normally, turning off the power switch 600, the power indicator 700 does not light, indicating that the power is off, and the module cannot be used.

As further shown in fig. 2, a power indicator 800 and a power indicator button 900 are disposed on the second surface 140, the power indicator 800 is used for indicating the remaining power of the power supply, and the power indicator button 900 is connected to the power indicator 800 and is used for controlling the power indicator 800 to turn on or off. The power indicator button 900 is turned on, the power indicator 800 is on, the power indicator button 900 is turned off, and the power indicator 800 is not on.

As a preferred embodiment, in the present embodiment, the power indicator 700 and the power indicator 800 may be integrated, that is, the provided indicator may be used as both the power indicator 700 and the power indicator 800. During the concrete implementation, can only provide an pilot lamp, when turning on switch 600, the pilot lamp is bright, explains that the power is in the on-state, and the module can normal use, closes switch 600, and the pilot lamp does not light, explains that the power is in the off-state, and the module can not be used, and similarly, opens electric quantity pilot lamp button 900, and the pilot lamp is bright, indicates the residual capacity that the power corresponds. For convenience of distinguishing, when the power switch 600 and the power indicator button 900 are respectively turned on, the indicator light displays different colors, so as to distinguish whether the current indicator light indicates that the power is turned on or turned off or indicates the remaining power of the power, and the like.

As a preferred implementation manner, in the present embodiment, the number of the power indicator lamps at least includes 2, and each of the power indicator lamps is used for indicating a different remaining power of the power supply. The number of the power indicator lamps can be 2, 3, 4 or 5, and the like, and different lamps are turned on to indicate that the current remaining power of the power supply is at different values. As further shown in fig. 2, as an example, the number of the power indicator lamps may be set to be 4, the 4 power indicator lamps 800 are circumferentially distributed along the power indicator lamp button 900, and according to a clockwise direction or a counterclockwise direction, the 4 power indicator lamps 800 respectively indicate that the remaining power of the power supply is 0-25%, 26-50%, 51-75%, 76-100%, and the like, and a specific division manner may be set by a user according to an actual requirement, which is not limited herein.

When the checking device is used, the checking device is placed on a corresponding station, at this time, the positive electrode 200 corresponds to the positive electrode position of the to-be-measured electric core corresponding to the station, the negative electrode 300 corresponds to the negative electrode position of the to-be-measured electric core corresponding to the station, the output COM port corresponds to the edge sealing position of the standard part, the power switch 600 is turned on, the power indicator lamp 700 is turned on, the description module can be normally used, at this time, normal measurement is performed, the voltage of the positive electrode 200 and one battery edge sealing 400 and the internal resistance of the negative electrode 300 and the other battery edge sealing 400 are measured, the side voltage of the to-be-measured electric core is simulated by the positive electrode 200 and one battery edge sealing 400, the side resistance of the to-be-measured electric core is simulated by the negative electrode 300 and the other output COM port 500, then, the measured value is compared with the actual value designed by the checking device, and the accuracy of the measuring device is quickly checked. After the measurement is finished, a power switch button is pressed, and the standard part is in a power-off state.

In the description of the present application, it is to be understood that the terms "vertical," "parallel," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The calibration device for the side voltage and side resistance measurement device is characterized by comprising a main body, wherein the main body comprises two oppositely arranged first ends and two oppositely arranged second ends, the two oppositely arranged first ends are respectively provided with a positive electrode and a negative electrode, the two oppositely arranged second ends are respectively provided with a battery edge sealing, the battery edge sealing is provided with an output COM port, the positive electrode and one of the output COM ports simulate the side voltage of an electric core to be measured, and the negative electrode and the other output COM port simulate the side resistance of the electric core to be measured.

2. The apparatus of claim 1, further comprising a power supply and a power management module, wherein the power supply is configured to supply power to the apparatus, and the power management module is coupled to the power supply and configured to control the power supply.

3. The apparatus for calibrating a side voltage and side resistance measuring apparatus according to claim 2, further comprising a power switch connected to the power supply for controlling the power supply to be turned on and off, wherein the main body comprises a first surface and a second surface opposite to each other, the battery seal is disposed on the first surface, and the power switch is disposed on the second surface.

4. A verification apparatus for an edge voltage and edge resistance measurement apparatus as claimed in claim 3, further comprising a power indicator connected to the power source for indicating the on or off state of the power source, the power indicator being disposed on the second surface.

5. The apparatus of claim 4, further comprising a power indicator for indicating a remaining power of the power source, and a power indicator button connected to the power indicator for controlling the power indicator to turn on and off, wherein the power indicator and the power indicator button are disposed on the second surface.

6. The apparatus for verifying side voltage and side resistance measuring apparatus according to claim 5, wherein the number of said charge level indicator lamps is at least 2, each of said charge level indicator lamps being for indicating a different remaining charge level of said power supply.

7. A verification device for an edge voltage and edge resistance measurement device according to any one of claims 2 to 6, wherein a containing space is arranged inside the main body, and the containing space is used for containing the output COM port, the power supply and the power supply management module.

8. The apparatus for verifying an apparatus for measuring edge voltage and edge resistance as claimed in claim 7, wherein the receiving space further comprises a space for receiving the constant voltage output module, the resistor and the USB interface.

9. The apparatus for verifying an edge voltage and edge resistance measurement device according to any one of claims 1 to 6, wherein the apparatus has the same size and properties as the cells to be measured.