Lithium battery parameter detection device

Abstract

The utility model provides a lithium battery parameter detection device. The lithium battery parameter detection device comprises a test host and a collector, the test host comprises a shell and electrical parameter test modules integrated in the shell, the front side of the shell is provided with a first interface and an adjusting knob, the adjusting knob is used for switching test modes of different electrical parameter test modules, and the shell is further provided with a wireless transmission module in communication connection with the MES system; the collector comprises a collection body and a collection line, the collection line is detachably connected with the first interface, the collection body is provided with a probe module and a code scanning module which are electrically connected with the collection line, the probe module is used for being connected with a pole of the lithium battery, and the code scanning module is used for collecting identification code information of the lithium battery. By integrating a plurality of electrical parameter testing functions in one device, the operation process is simplified, and a user does not need to use a plurality of devices to perform different operations, so that the detection efficiency is improved, the test data is uploaded to the MES system in real time, and the error rate is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery test technical field especially relates to a lithium battery parameter detection device. BACKGROUND

[0002] With the continuous growth of global demand for renewable energy, China's new energy industry, especially the battery manufacturing industry, is rapidly developing. The popularity of electric vehicles and the increasing demand for electrochemical energy storage have driven the continuous progress of battery technology. As an emerging high-tech industry, the battery manufacturing industry gradually relies on the application of automation and digital technology in its production process.

[0003] Under the existing regulatory requirements, each battery has a unique identification code. During the production process, various process parameters of the battery are monitored, and these parameters are uploaded to the data-based manufacturing execution system (MES) and bound to the identification code of the battery cell. Through data analysis to control the production process, ensure the efficiency and quality of battery production, which has become an important part of battery production.

[0004] Currently, battery automated production lines are equipped with a large number of automated equipment, which can realize the monitoring, collection and analysis of multiple parameters of the battery. For example, the voltage, internal resistance and other key parameters of the battery can be automatically detected, and these data can be uploaded to the MES system in real time. However, in some conventional warehouse scenarios, there is often a lack of sufficient automated equipment to achieve regular data collection of inventory battery cells.

[0005] For battery cells that have been in inventory for a certain period of time, it is usually necessary to retest their voltage and internal resistance and other parameters before shipment to ensure the quality and performance of the battery when delivered. These data will be sent to the customer along with the shipment report, making it easy for the customer to understand the latest status of the battery. However, warehouse scenarios usually do not have large and complex detection equipment, and the voltage detection, internal resistance detection and two-dimensional code collection of the battery are completed by a voltmeter, an internal resistance tester and a code scanning gun, respectively. In order to bind these test data to a specific battery, it is usually necessary to manually input information and upload it to the MES system. This multi-device, multi-step operation method is inefficient and prone to errors. UTILITY MODEL CONTENT

[0006] Therefore, the utility model provides a lithium battery parameter detection device to solve the problem of low efficiency and error-prone operation of battery voltage detection, internal resistance detection and two-dimensional code collection in the existing warehouse environment, which relies on multiple devices and multiple steps.

[0007] The technical scheme of the utility model is as follows:

[0008] The utility model provides a lithium battery parameter detection device, which comprises a test host and a collector.

[0009] The test host includes a shell and an electrical parameter test module integrated inside the shell, a first interface and an adjustment knob are arranged on the front side of the shell, the adjustment knob is used to switch the test mode of different electrical parameter test modules, a wireless transmission module is further arranged on the shell and is used to be in communication connection with the MES system, the first interface, the adjustment knob, the electrical parameter test module and the wireless transmission module are electrically connected;

[0010] The collector includes a collecting body and a collecting line connected with the collecting body, one end of the collecting line away from the collecting body is detachably connected with the first interface, a probe module and a code scanning module electrically connected with the collecting line are arranged on the collecting body, the probe module is used to be connected with the pole of the lithium battery, and the code scanning module is used to collect the identification code information of the lithium battery.

[0011] On the basis of the above technical scheme, preferably, the collecting body includes a handle and a connecting plate fixedly arranged at one end of the handle, the probe module is provided with two and is arranged at the lengthwise two ends of the front side of the connecting plate, the interval between the two probe modules is adjustable, the code scanning module is fixedly arranged on the front side of the connecting plate and is located between the two probe modules, and the collecting line is connected with the end of the handle away from the connecting plate.

[0012] On the basis of the above technical scheme, preferably, the probe module includes a fixing column, a protective sleeve and a test probe, one end of the fixing column is movably connected with the connecting plate and the fixing column is adjustable in position along the length direction of the connecting plate, the test probe is fixedly arranged at the end of the fixing column away from the connecting plate, the protective sleeve is sleeved on the end of the fixing column away from the connecting plate, one end of the protective sleeve extends outside the test probe, the protective sleeve is used to be sleeved on the outside of the pole, and the test probe is used to be in contact with the pole.

[0013] On the basis of the above technical scheme, preferably, the end of the handle away from the connecting plate is provided with a wire harness interface, the collecting line is detachably connected with the wire harness interface, and the wire harness interface is electrically connected with the test probe and the code scanning module.

[0014] On the basis of the above technical scheme, preferably, an indicator lamp is further arranged on the collecting body, and the indicator lamp is electrically connected with the test probe and the code scanning module.

[0015] On the basis of the above technical scheme, preferably, a trigger is arranged on the handle, when the trigger is cocked, the probe module and the code scanning module are electrically connected with the test host.

[0016] On the basis of the above technical scheme, preferably, the electrical parameter test module includes a voltage test module, an internal resistance test module, a current test module and a charge-discharge module.

[0017] On the basis of the above technical scheme, preferably, the charging and discharging connecting assembly comprises a connecting wire and a wire clamp connected with the connecting wire, the wire clamp is used for being connected with the pole of the lithium battery, and the end of the connecting wire away from the wire clamp is used for being detachably connected with the first interface.

[0018] On the basis of the above technical scheme, preferably, the front side of the shell is further provided with a second interface electrically connected with the electrical parameter testing module, and the second interface is used for being connected with the removable data storage medium.

[0019] On the basis of the above technical scheme, preferably, the front side of the shell is further provided with a display screen and operation buttons.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] (1) by integrating multiple electrical parameter testing functions in one device, the operation process is simplified. Users no longer need to use multiple devices for different operations, thereby improving the detection efficiency. The collector is designed to be detachably connected, facilitating use in different environments. The probe module and the code scanning module are designed in an integrated manner, so that the user can simultaneously collect the identification code information of the battery while performing electrical parameter testing, simplifying the operation steps and improving the work efficiency. The adjustment knob can conveniently switch the test mode of the electrical parameter testing module, making the test process more flexible and efficient. The addition of the wireless transmission module enables the detection data to be uploaded to the MES system in real time, reducing the step of manually inputting data, reducing the error rate, and ensuring the accuracy and timeliness of the data.

[0022] (2) The distance between the two probe modules is adjustable, so that lithium batteries of different sizes and types can be adapted. This design improves the versatility of the device, so that a single device can adapt to lithium batteries of multiple specifications, reducing the replacement and adjustment time of the equipment.

[0023] (3) The code scanning module is fixedly arranged between the two probe modules, ensuring that the identification code information of the lithium battery can be accurately collected at the same time of each electrical parameter detection. In this way, electrical parameter detection and two-dimensional code scanning can be performed simultaneously, reducing the operation steps and time and improving the work efficiency.

[0024] (4) The protective sleeve is sleeved on the end of the fixed column away from the connecting plate, and one end of the protective sleeve extends outside the test probe, so that the test probe can be protected during the non-test process, avoiding the test probe from being bumped or damaged.

[0025] (5) The probe module and the code scanning module are electrically connected with the test host in real time when the trigger is pulled, so that the rapid response of the device is ensured, and the detection speed and efficiency are improved. In addition, through the trigger control electrical connection, the misoperation or mistrigger in the non-detection state can be effectively avoided, and the safety and reliability of the detection process are improved.

[0026] (6) By setting the charge-discharge connection assembly, when the charge-discharge test is needed, the wire clamp is clamped and connected with the pole of the lithium battery, and then the connecting wire is connected with the first interface. The test mode is adjusted to the charge-discharge test through the adjusting knob. At this time, the lithium battery can be charged and discharged, and the collector and the charge-discharge connection assembly can share the first interface, so that the test operation of different electrical parameters is flexibly realized. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0028] Figure 1 A perspective structural schematic view of the battery parameter detection device disclosed by the present application is shown in the figure.

[0029] Figure 2 A first perspective structural schematic view of the collector disclosed by the present application is shown in the figure.

[0030] Figure 3 A second perspective structural schematic view of the collector disclosed by the present application is shown in the figure.

[0031] Figure 4 A perspective structural schematic view of the lithium battery disclosed by the present application is shown in the figure.

[0032] Figure 5 A connection state schematic view of the collector and the lithium battery disclosed by the present application is shown in the figure.

[0033] Reference signs:

[0034] 1, test host; 2, collector; 11, shell; 12, first interface; 13, adjustment knob; 14, wireless transmission module; 21, collection body; 22, collection line; 23, probe module; 24, code scanning module; 211, handle; 212, connecting plate; 231, fixing column; 232, protective sleeve; 233, test probe; 213, wire harness interface; 214, indicator light; 215, trigger; 3, charge and discharge connection assembly; 31, connecting line; 32, wire clamp; 15, second interface; 16, display screen; 17, operation key; S, lithium battery; S1, pole; S2, identification code. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] As shown in the accompanying drawings, Figure 1 in conjunction with Figures 2-5 The embodiments of the present application disclose a lithium battery parameter detection device, which comprises a test host 1 and a collector 2.

[0037] The test host 1 comprises a shell 11 and an electrical parameter test module integrated in the interior of the shell 11, and the electrical parameter test module is used for testing the electrical parameters such as voltage and internal resistance of the lithium battery. The front side of the shell 11 is provided with a first interface 12 and an adjustment knob 13, and the first interface 12 is used for connecting the collector 2. The adjustment knob 13 is used for switching the test mode of different electrical parameter test modules, so that the device can be switched between different test modes. The shell 11 is also provided with a wireless transmission module 14, which is used for communication connection with the MES system and wireless transmission of the collected data to the MES system. The first interface 12, the adjustment knob 13, the electrical parameter test module and the wireless transmission module 14 are connected with each other through a circuit to form a complete system.

[0038] The collector 2 comprises a collection body 21 and a collection line 22 connected with the collection body 21, and the end of the collection line 22 away from the collection body 21 is detachably connected with the first interface 12. The collection line 22 connects the collection body 21 and the first interface 12 of the test host 1, and is used for transmitting data and electrical signals. The collection body 21 is provided with a probe module 23 and a code scanning module 24 electrically connected with the collection line 22. The probe module 23 is used for connecting with the pole of the lithium battery to measure the electrical parameters, and the code scanning module 24 is used for collecting the identification code information of the lithium battery.

[0039] By integrating multiple electrical parameter test functions in one device, the operation process is simplified. Users no longer need to use multiple devices for different operations, thereby improving the efficiency of detection. The collector 2 is designed to be detachably connected, facilitating use in different environments. The probe module 23 and the code scanning module 24 are designed in one, so that the user can synchronize the collection of the identification code information of the battery while performing electrical parameter testing, simplifying the operation steps and improving the work efficiency. The adjustment knob 13 can conveniently switch the test mode of the electrical parameter test module, making the test process more flexible and efficient. The addition of the wireless transmission module 14 enables the detection data to be uploaded to the MES system in real time, reducing the step of manually inputting data, reducing the error rate, and ensuring the accuracy and timeliness of the data.

[0040] In the embodiment, the electrical parameter test module includes a voltage test module, an internal resistance test module, a current test module, and a charge and discharge module.

[0041] The voltage test module is used to measure the voltage of the lithium battery, the internal resistance test module is used to measure the internal resistance of the lithium battery, the current test module is used to measure the current of the lithium battery, and the charge and discharge module is used to charge and discharge test the lithium battery. By integrating the voltage, internal resistance, current, and charge and discharge four test modules, the device can comprehensively and accurately detect the key electrical parameters of the lithium battery, providing reliable battery performance detection. In the embodiment, only the adjustment knob 13 can conveniently switch the different test modes of the electrical parameter test module, making the test process more flexible and efficient.

[0042] The utility model discloses a kind of preferable structural mode of acquisition body 21, specifically, acquisition body 21 includes handle 211 and connecting plate 212, handle 211 is the main holding part of acquisition body 21, facilitate user operation. Connecting plate 212 is fixedly arranged at one end of handle 211, for installing probe module 23 and code scanning module 24. The structural design of handle 211 and connecting plate 212 makes the user can hold collector 2 more stably when operating, operation is more convenient and comfortable, to improve detection efficiency.

[0043] Probe module 23 is provided with two, respectively arranged at the length of the front side of connecting plate 212 both ends, the spacing between two probe modules 23 is adjustable, so that different sizes and types of lithium battery can be adapted. This design improves the versatility of the device, so that a single device can adapt to multiple specifications of lithium battery, reduces the replacement and adjustment time of equipment.

[0044] Code scanning module is fixedly arranged on the front side of connecting plate 212, and is located between two probe modules 23, for collecting identification code information of lithium battery. Acquisition line 22 is connected with the end of handle 211 away from connecting plate 212, for transmitting data and electrical signal to test host 1.

[0045] The code scanning module 24 is fixedly arranged between the two probe modules 23, so that the identification code information of the lithium battery can be accurately collected while the electrical parameter is detected each time.

[0046] The utility model discloses a preferable structure mode of probe module 23, specifically, the probe module 23 includes fixed column 231, protective sleeve 232 and test probe 233.

[0047] One end of the fixed column 231 is movably connected with the connecting plate 212, and the fixed column 231 is adjustable in the length direction of the connecting plate 212 to adapt to the battery with different pole post spacing sizes. The test probe 233 is fixedly arranged at the end of the fixed column 231 away from the connecting plate 212, and the protective sleeve 232 is sleeved at the end of the fixed column 231 away from the connecting plate 212. One end of the protective sleeve 232 extends outside the test probe 233, and is used for protecting the test probe 233 during the non-testing process to avoid the test probe 233 from being bumped or damaged. The protective sleeve 232 is used for sleeving outside the pole post, the test probe 233 is used for contacting the pole post, and the protective sleeve 232 can be connected with the pole post in a guided mode, so that the test probe 233 can contact the top surface of the pole post after the protective sleeve 232 is sleeved outside the pole post.

[0048] In the embodiment, the adjustment between the fixed column 231 and the connecting plate 212 can adopt a relatively conventional mode in the prior art, for example, a strip-shaped hole is formed in the length direction of the connecting plate 212, and the fixed column 231 is slidably arranged in the strip-shaped hole. After the fixed column 231 is adjusted to the appropriate position, the fixed column is fixed in the strip-shaped hole through a bolt. The embodiment does not limit the specific adjustment structure, as long as the fixed column can slide on the connecting plate 212 and can be locked after sliding into position.

[0049] As some preferable embodiments, the handle 211 is provided with a wire harness interface 213 at the end away from the connecting plate 212, the collection line 22 is detachably connected with the wire harness interface 213, and the wire harness interface 213 is electrically connected with the test probe 233 and the code scanning module.

[0050] The design of the wire harness interface 213 makes the connection of the collection line 22 and the handle 211 more convenient and flexible. The user can easily detach and connect without complex operation steps, and the use convenience of the equipment is improved.

[0051] As some preferable embodiments, the acquisition body 21 is further provided with an indicator lamp 214, the indicator lamp 214 is electrically connected with the test probe 233 and the code scanning module 24, when the test data meets the set requirement, the indicator lamp 214 turns green, when the test data does not meet the set requirement, the indicator lamp 214 turns red, so that the data early warning is facilitated.

[0052] As some preferable embodiments, the handle 211 is provided with a trigger 215, when the trigger 215 is cocked, the probe module 23 and the code scanning module 24 are electrically connected with the test host 1. By adopting the structure, the probe module 23 and the code scanning module 24 are electrically connected with the test host 1 when the trigger 215 is cocked, so that the quick response of the equipment is ensured, and the detection speed and efficiency are improved. In addition, the electrical connection is controlled through the trigger 215, so that the misoperation or mistrigger in the non-detection state is effectively avoided, and the safety and reliability of the detection process are improved.

[0053] As some preferable embodiments, the test device further comprises a charging and discharging connection assembly 3, the charging and discharging connection assembly 3 comprises a connecting line 31 and a wire clamp 32 connected with the connecting line 31, the wire clamp 32 is used for being connected with the pole of the lithium battery, and the end of the connecting line 31 away from the wire clamp 32 is used for being detachably connected with the first interface 12. When the charging and discharging test is needed, the wire clamp 32 is clamped and connected with the pole of the lithium battery, and then the connecting line 31 is connected with the first interface 12, the test mode is adjusted to the charging and discharging test through the adjusting knob, at this time, the charging and discharging test of the lithium battery can be performed, the collector 2 and the charging and discharging connection assembly 3 can share the first interface 12, so that the test operation of different electrical parameters is flexibly realized.

[0054] As some optional embodiments, the front side of the shell 11 is further provided with a second interface 15 electrically connected with the electrical parameter test module, the second interface 15 is used for being connected with the removable data storage medium. Through the second interface 15, the test data can be stored on the removable data storage medium, or the external computer is connected, and different forms of data transmission are realized.

[0055] Preferably, the front side of the shell 11 is further provided with a display screen 16 and an operation button 17, the test parameters can be adjusted through the operation button 17, and the parameter state and the test state can be displayed in real time through the display screen 16.

[0056] The above only describes the preferable embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A lithium battery parameter detection device, characterized in that: It includes a test host (1) and a collector (2); The test host (1) comprises a housing (11) and an electrical parameter test module integrated in the housing (11); a first interface (12) and an adjustment knob (13) are provided on the front side of the housing (11); the adjustment knob (13) is used to switch the test modes of different electrical parameter test modules; a wireless transmission module (14) is also provided on the housing (11) for communication connection with the MES system; the first interface (12), the adjustment knob (13), the electrical parameter test module and the wireless transmission module (14) are electrically connected; The collector (2) comprises a collection body (21) and a collection line (22) connected to the collection body (21); one end of the collection line (22) away from the collection body (21) is detachably connected to the first interface (12); the collection body (21) is provided with a probe module (23) and a code scanning module (24) electrically connected to the collection line (22); the probe module (23) is used to connect to the pole of the lithium battery; and the code scanning module (24) is used to collect identification code information of the lithium battery.

2. The lithium battery parameter detection device according to claim 1, wherein: The collection body (21) comprises a handle (211) and a connecting plate (212) fixedly arranged at one end of the handle (211); two probe modules (23) are provided, respectively arranged at both ends of the front length of the connecting plate (212); the spacing between the two probe modules (23) is adjustable; the code scanning module (24) is fixedly arranged at the front side of the connecting plate (212) and is located between the two probe modules (23); and the collection line (22) is connected to one end of the handle (211) away from the connecting plate (212).

3. The lithium battery parameter detection device according to claim 2, wherein: The probe module (23) comprises a fixing post (231), a protective sleeve (232) and a test probe (233); one end of the fixing post (231) is movably connected to the connecting plate (212), and the fixing post (231) can be adjusted along the length direction of the connecting plate (212); the test probe (233) is fixedly arranged at one end of the fixing post (231) away from the connecting plate (212); the protective sleeve (232) is sleeved at one end of the fixing post (231) away from the connecting plate (212), and one end of the protective sleeve (232) extends outside the test probe (233); the protective sleeve (232) is used to be sleeved on the outside of the pole, and the test probe (233) is used to contact the pole.

4. The lithium battery parameter detection device according to claim 3, wherein: A harness interface (213) is provided at one end of the handle (211) away from the connecting plate (212); the acquisition line (22) is detachably connected to the harness interface (213); and the harness interface (213) is electrically connected to the test probe (233) and the code scanning module (24).

5. The lithium battery parameter detection device according to claim 4, wherein: The collection body (21) is also provided with an indicator light (214), and the indicator light (214) is electrically connected to the test probe (233) and the code scanning module (24).

6. The lithium battery parameter detection device according to any one of claims 2 to 5, characterized in that: The handle (211) is provided with a trigger (215). When the trigger (215) is pulled, the probe module (23) and the code scanning module (24) establish an electrical connection with the test host (1).

7. The lithium battery parameter detection device according to claim 1, wherein: The electrical parameter testing module includes a voltage testing module, an internal resistance testing module, a current testing module and a charge and discharge module.

8. The lithium battery parameter detection device according to claim 7, wherein: The invention also includes a charge-discharge connection assembly (3), wherein the charge-discharge connection assembly (3) includes a connecting wire (31) and a wire clamp (32) connected to the connecting wire (31), wherein the wire clamp (32) is used to connect to the pole of the lithium battery, and an end of the connecting wire (31) away from the wire clamp (32) is used to be detachably connected to the first interface (12).

9. The lithium battery parameter detection device according to claim 1, wherein: The front side of the housing (11) is also provided with a second interface (15) electrically connected to the electrical parameter test module, and the second interface (15) is used to connect to a removable data storage medium.

10. The lithium battery parameter detection device according to claim 1, wherein: The front side of the housing (11) is also provided with a display screen (16) and operation buttons (17).

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