End socket temperature control device

Abstract

The utility model discloses an end socket temperature control device. Belongs to the technical field of lithium battery packaging machine packaging temperature control and comprises a heating tube, an upper sealing head, a lower sealing head, a packaging battery cell, a temperature detection device a, a temperature detection device b, an alarm, a thermodetector and a temperature rapid calibration device. The temperature detection device a and the temperature detection device b are located on one side of the lower sealing head, the temperature rapid calibration device is located between the temperature detection device a and the temperature detection device b and connected with the thermodetector, and the packaged battery cell is located between the lower sealing head and the upper sealing head and fixed to the lower sealing head. According to the end socket temperature control device, the temperature of the end socket is controllable, and a packaged battery cell is produced at an accurate temperature; according to the invention, the real temperature of the sealing head can be rapidly detected and accurately calibrated, and the actual temperature of the sealing head is ensured to be consistent with the set optimal process parameter temperature, so that the sealing quality is improved, and the problem of leakage of electrolyte in a battery cell is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to belong to lithium battery packaging machine sealing temperature control technical field, more specifically relates to a sealing head temperature control device. BACKGROUND

[0002] At present, during the production of the packaging process, the battery core sets the sealing head temperature requirement according to the process parameter, the sealing head passes through temperature sensing wire to monitor the temperature in real time, and the heating condition of the heating pipe is controlled, which has the following defects: the temperature sensing wire is damaged with the frequent up-down movement of the sealing head, the detected temperature is inaccurate, the actual temperature of the sealing head is inaccurate, the sealing effect cannot be guaranteed, and the existing sealing head temperature calibration mode is complex, time-consuming, and the calibration frequency is once a week, the actual temperature of the sealing head cannot be corrected in time, further, the deviation between the sealing head temperature and the best packaging temperature of the process occurs, the sealing effect is poor, and the problem of electrolyte leakage of the packaged battery core is formed. And when the battery core is packaged, the sealing head temperature has a direct impact on the packaging effect, the temperature of the sealing head is monitored in real time by the temperature sensing wire and adjusted, the temperature detection is inaccurate due to the poor contact of the temperature sensing wire with the sealing head action, so that the actual temperature of the sealing head is different from the best temperature required by the process, the packaging effect is affected, and the phenomenon of electrolyte leakage of the packaged battery core occurs.

[0003] In order to solve the problem of inaccurate actual temperature of the sealing head caused by the damage of the temperature sensing wire, personnel need to use temperature sensing instrument to calibrate the sealing head temperature, but there are problems such as long calibration time and complex calibration operation, which affect the equipment capacity. The low-frequency sealing head temperature calibration makes the actual temperature of the sealing head different from the best temperature of the process, resulting in poor sealing effect after the sealing head, and the problem of electrolyte leakage of the battery core is formed.

[0004] Therefore, how to provide a sealing head temperature control device that can keep the actual temperature of the sealing head consistent with the best temperature of the process is a problem that technicians in the field need to solve. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a sealing head temperature control device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A sealing head temperature control device, comprising: a heating pipe, an upper sealing head, a lower sealing head, a packaged battery core, a heating pipe, a temperature detection device a, a temperature detection device b, an alarm, a temperature detector and a temperature rapid calibration device.

[0008] The temperature detection device a and the temperature detection device b are located on one side of the lower head, the temperature rapid calibration device is located between the temperature detection device a and the temperature detection device b, and is connected with the temperature measuring instrument, the packaged battery cell is located between the lower head and the upper head and is fixed on the lower head, and the alarm is connected with the temperature measuring instrument.

[0009] Preferably, the temperature detection device a detects the temperature of the upper head in real time.

[0010] Preferably, when the temperature of the upper head is less than the set packaging temperature, the heating pipe heats the upper head; when the temperature of the upper head is greater than the set packaging temperature, the heating pipe stops working.

[0011] Preferably, the temperature detection device b is connected with the lower head and detects the temperature of the lower head, and judges whether the temperature of the lower head detected by the temperature detection device a is consistent with the temperature of the upper head.

[0012] Preferably, the temperature rapid calibration device is connected with the temperature detection device a, the temperature detection device b and the temperature measuring instrument respectively, and rapidly samples the real temperature of the upper head and the lower head.

[0013] Preferably, the temperature measuring instrument is used for reading the temperature value detected by the temperature rapid calibration device, and comparing the temperature value detected by the temperature rapid calibration device with the set packaging temperature.

[0014] Compared with the prior art, the utility model discloses a kind of head temperature control device, and the advantages are as follows:

[0015] The utility model carries out double inductor detection to head temperature, when the temperature detected by two temperature probes exists difference, then show that existing head temperature detection temperature sensing line appears damage, cannot accurately control the temperature of head, equipment output alarm information, equipment personnel carry out temperature sensing line repair. While to guarantee the accuracy of head temperature, install head temperature calibration line, can be measured out the real temperature of head by calibration line fast plug, discover and calibrate head temperature in time, guarantee the accuracy of the real temperature of head, improve seal stability, avoid the problem of battery cell electrolyte leakage. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are only the embodiment of the utility model, and for ordinary skilled in the art, other drawings can be obtained according to the provided drawings without creating labor.

[0017] Fig. 1The utility model provides a schematic diagram of heating and packaging of the battery cell.

[0018] Fig. 2 The utility model provides a schematic diagram of head temperature control.

[0019] In Figs. 1-2 1. upper head; 2. lower head; 3. packaged battery cell; 4. temperature monitoring device a; 5. temperature monitoring device b; 6. temperature rapid calibration device. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] The utility model embodiment discloses a head temperature control device, and the device contains upper head 1, lower head 2 and packaged battery cell 3, and the packaged battery cell 3 is the object needing production and processing.

[0022] Further comprising: heating pipe, temperature detection device a 4, temperature detection device b 5, alarm, temperature measuring instrument and temperature rapid calibration device 6;

[0023] The temperature detection device a 4 and temperature detection device b 5 are located at one side of the lower head, the temperature rapid calibration device 6 is located between the temperature detection device a 4 and the temperature detection device b 5 and is connected with the temperature measuring instrument, the packaged battery cell 3 is located between the lower head 2 and the upper head 1 and is fixed on the lower head 2, and the alarm is connected with the temperature measuring instrument.

[0024] Further, the temperature detection device a 4 detects the temperature of the upper head 1 in real time.

[0025] Further, when the temperature of the upper head is less than the set packaging temperature, the heating pipe heats the upper head 1, and when the temperature of the upper head is greater than the set packaging temperature, the heating pipe stops working.

[0026] Further, the temperature detection device b 5 is connected with the lower head and detects the temperature of the lower head 2 to determine whether the temperature of the upper head detected by the temperature detection device a 4 is consistent.

[0027] Further, the temperature rapid calibration device 6 is connected with the temperature detection device a 4, temperature detection device b 5 and temperature measuring instrument respectively to rapidly sample the real temperature of the upper head 1 and the lower head 2.

[0028] Further, the temperature measuring instrument is used for reading the temperature value detected by the temperature rapid calibration device 6, and comparing the temperature value detected by the temperature rapid calibration device with the set packaging temperature.

[0029] The specific working process of the utility model is as follows: the packaging battery 3 carried to the packaging station is fixed on the lower head 2, the lower head 2 is driven to rise to the set position by the motor m, the upper head 1 is driven to descend to the set position by the motor n, and the hot-press packaging is carried out in the state of setting the optimum process temperature; the upper head 1 provides the upper end surface temperature and pressure for the battery 3 needing to be packaged, and the lower head 2 provides the lower end surface temperature and pressure for the battery 3 needing to be packaged. Figs. 1-2

[0030] The packaging battery 3 carried to the packaging station is hot-press packaged in the state of setting the optimum process temperature; the temperature detection device a4 and the temperature detection device b5 respectively monitor the feedback temperature of the upper head 1 and the lower head 2 in real time, when the temperature of the upper head 1 is lower than the set optimum temperature, the head is heated, when the temperature detected by the temperature detection device a is greater than the set temperature, the head stops heating, when the temperature detected by the temperature detection device b5 is different from the temperature of the temperature detection device a4, it is indicated that one of the temperature detection device a4 and the temperature detection device b5 has a damaged temperature sensing wire, and the temperature control of the head is inaccurate, at this time, the equipment will output an alarm to prompt the maintenance personnel to check. The maintenance personnel uses the temperature measuring instrument, inserts the quick plug of the head temperature rapid calibration device 6 into the temperature measuring instrument, reads the actual temperature of the head, and compares the data detected by the temperature detection device a4 and the temperature detection device b5 to judge which temperature sensing wire is damaged and is replaced in time.

[0031] Further, the test line quick plug introduced by the head rapid calibration device is inserted into the temperature tester female head, the actual temperature of the head can be quickly read, the actual temperature read by the head is compared with the display temperature of the head, the difference value is compensated, and the purpose of rapid calibration of the head is achieved. The head temperature rapid calibration device can also calibrate the temperature of the head at high frequency, ensure that the actual temperature of the head is consistent with the set optimum process parameter temperature, thereby improving the sealing quality and avoiding the occurrence of the problem of battery electrolyte leakage.

[0032] ​The utility model discloses a double inductor detection to head temperature, when two temperature probes detected temperature exists difference, then show that existing head temperature detection temperature sensing line appears damage, can not accurately control the temperature of head, equipment output alarm information, and equipment personnel carry out temperature sensing line maintenance.

[0033] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other. For the device disclosed by the embodiments, since it corresponds to the method disclosed by the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A head temperature control device, characterized in that, include: Heating element, upper end cap, lower end cap, encapsulated battery cell, heating element, temperature detection device a, temperature detection device b, alarm, thermometer and rapid temperature calibration device; The temperature detection devices a and b are located on one side of the lower end cap. The rapid temperature calibration device is located between the temperature detection devices a and b and is connected to the thermometer. The packaged battery cell is located between the lower end cap and the upper end cap and is fixed to the lower end cap. The alarm is connected to the thermometer.

2. The head temperature control device according to claim 1, characterized in that, The temperature detection device a is used to detect the temperature of the upper end cap in real time.

3. The head temperature control device according to claim 2, characterized in that, When the temperature of the upper end cap is lower than the set packaging temperature, the heating element heats the upper end cap; when the temperature of the upper end cap is higher than the set packaging temperature, the heating element stops working.

4. The head temperature control device according to claim 2, characterized in that, The temperature detection device b is used to detect the temperature of the lower end cap in real time and determine whether it is consistent with the temperature of the upper end cap detected by the temperature detection device a.

5. The head temperature control device according to claim 1, characterized in that, The rapid temperature calibration device is connected to the temperature detection device a, the temperature detection device b, and the thermometer respectively, and rapidly samples the actual temperature of the upper and lower end caps.

6. The head temperature control device according to claim 5, characterized in that, The thermometer is used to read the temperature value detected by the rapid temperature calibration device and compare the temperature value detected by the rapid temperature calibration device with the set packaging temperature.

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