Heating detection device for lithium battery test

Abstract

The utility model discloses a heating detection device for lithium battery testing, which relates to the field of lithium battery detection and comprises a supporting shell, a sliding door is mounted on the outer side of the supporting shell, a base and a testing circuit device are mounted at the bottom end and the top end of the supporting shell respectively, and a testing bin is arranged in the supporting shell. A lower power connection plate is installed in the base, a driving motor is installed on the side face of the supporting shell, the output end of the driving motor is connected with a movable disc, the movable disc is located in the supporting shell and connected with a test circuit device through a wire, and multiple sets of heat dissipation grooves are formed in the outer wall of the movable disc. A sealing plate is connected to the lower portion of the movable disc. According to the utility model, the movable disc is arranged, and the bottom end of the movable disc is connected with the sealing plate, so that the side surface of the support shell can be sealed when the sealing plate moves up and down, and the influence on the detection effect due to the heat dissipation of the battery in the charging process of the battery is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lithium battery detection, concretely is a kind of lithium battery test and heat detection device. BACKGROUND

[0002] The working principle of lithium battery is based on the movement of lithium ions inside the battery. The battery is composed of a positive electrode (usually lithium cobalt oxide or lithium iron phosphate), a negative electrode (usually graphite) and an electrolyte. When the battery discharges, lithium ions are released from the negative electrode (graphite), move to the positive electrode through the electrolyte, and electrons flow through the external circuit to provide power. When charging, lithium ions return from the positive electrode to the negative electrode, storing energy. During the production process of lithium battery, due to the production process problem, the internal resistance will be different, so after the production of lithium battery, detection equipment needs to be used to test lithium battery, especially during discharging, the temperature change of lithium battery.

[0003] The prior art such as Chinese patent publication No. CN218584232U discloses a kind of lithium battery test and heat detection device, including shell, the bottom of the shell is fixedly installed with base, the top of the shell is hinged with sealing cover by hinge, the top of the sealing cover and the position of being located in middle is fixedly installed with air inlet duct, the inner wall of the air inlet duct is fixedly installed with circulating fan by support, the upper side of the circulating fan is installed with air inlet temperature measuring instrument, the bottom of the shell and the position of being located in middle is opened with air outlet duct, the inner wall of the bottom of the base and the position of being located directly below air outlet duct is fixedly installed with air outlet temperature measuring instrument, the bottom of the sealing cover and the position of being located directly below circulating fan is installed with flow expansion baffle by support, the inside of the shell is installed with clamping positioning device, the inner wall of the rear side of the shell and the position of being located opposite clamping positioning device is installed with fixed clamping plate.

[0004] Although the temperature of lithium battery can be detected by detection equipment during use, the existing detection mechanism usually detects the whole battery pack, the existing lithium battery structure is usually cylindrical battery, and the existing technology rarely directly detects lithium battery monomer, and the existing technology. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims to provide a kind of lithium battery test and heat detection device to solve the technical problems of inconvenient lithium battery surface temperature detection and support structure blocking lithium battery detection.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of heating detection device for lithium battery test, including support shell, the outer side of the support shell is equipped with a sliding door, the bottom end and the top end of the support shell are equipped with base and test circuit device respectively, test bin is set in the inside of support shell, the inside of the base is equipped with lower electrical board, the side of the support shell is equipped with drive motor, the output end of the drive motor is connected with movable disc, movable disc is located in the inside of support shell, movable disc and test circuit device are connected by wire, the outer wall of movable disc is equipped with multiple groups of heat dissipation grooves, the lower side of movable disc is connected with sealing plate, the side of sealing plate is equipped with temperature sensor, the inner wall of movable disc is equipped with upper electrical board.

[0007] By adopting the above technical scheme, the battery can be conveniently limited and fixed, and after being fixed, the battery is powered on, and the heat generated by the battery accumulates in the test bin. At this time, the temperature generated by the battery is detected by the temperature sensor, and the detection effect is improved.

[0008] The utility model further sets up, the bottom end of test circuit device is connected with helical electrical connection wire, and helical electrical connection wire is connected with the top of movable disc.

[0009] As preferred, the movable disc can be conveniently powered to be normally used.

[0010] The utility model further sets up, the output end of drive motor is connected with screw rod, and screw rod extends to the outside of base, and the outside of drive motor is equipped with fixing frame.

[0011] As preferred, the movable disc can be conveniently driven to move up and down to limit different specifications of batteries.

[0012] The utility model further sets up, the side of movable disc is connected with threaded seat, threaded seat extends to the outside of support shell and is passed through support shell, and threaded seat is sleeved on the outside of screw rod and is drivenly connected with screw rod.

[0013] As preferred, the movable disc can be conveniently moved along with the rotation of the screw rod.

[0014] The utility model further sets up, the inside of movable disc is equipped with output wire, and output wire is connected with temperature sensor.

[0015] As preferred, the temperature sensor can be conveniently powered, and the signal of the temperature sensor can be transmitted to external equipment.

[0016] The utility model further sets up, the inner wall of sealing plate is attached with support shell, the inside of support shell is equipped with sliding groove, and sealing plate is attached with sliding groove.

[0017] As preferred, the movable disc can be conveniently moved up and down, avoiding the support shell from blocking, and the sliding groove is sealed by the sealing plate.

[0018] In summary, the utility model mainly has the following beneficial effects:

[0019] 1、The utility model discloses a base and movable disc are set up, can conveniently detect the cylindrical lithium cell, put the lithium cell into the support shell, the bottom end of lithium cell is pasted with lower electric connection plate, and the top end is pasted with upper electric connection plate, thereby power supply is carried out to the lithium cell, and then the heat of lithium cell is detected through temperature sensor, and after detection, the battery can be cooled through the cooling groove, and the battery is prevented from overheating.

[0020] 2、The utility model discloses still set up movable disc, the bottom of movable disc is connected with sealing plate, can when moving up and down the side of support shell is sealed to sealing plate, avoids the battery heat dissipation during battery charging, and influences detection effect. DRAWINGS

[0021] Fig. 1 It is the structural schematic diagram of the utility model;

[0022] Fig. 2 It is the structural schematic diagram of the utility model sliding door opening;

[0023] Fig. 3 It is the structural schematic diagram of the utility model screw rod and movable disc;

[0024] Fig. 4 It is the structural schematic diagram of the utility model movable disc inside.

[0025] Mark explanation:

[0026] 1, support shell;101, sliding door;102, base;1021, lower electric connection plate;103, test circuit device;1031, spiral electric connection wire;104, test bin;2, drive motor;201, screw rod;3, movable disc;301, threaded seat;302, cooling groove;303, output lead;304, sealing plate;305, temperature sensor;306, upper electric connection plate. CONCRETE IMPLEMENTING METHOD

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. The embodiments described in the following with reference to the drawings are exemplary, and are used for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0028] The embodiments of the utility model will be described according to the overall structure of the utility model.

[0029] Embodiment:

[0030] Please refer to Figs. 1 to 4 , including support shell 1, the outer side of support shell 1 is installed with sliding door 101, the bottom end and the top end of support shell 1 are installed with base 102 and test circuit device 103 respectively, the inside of support shell 1 is opened with test bin 104, the inside of base 102 is installed with lower contact plate 1021, the side of support shell 1 is installed with drive motor 2, the output end of drive motor 2 is connected with screw rod 201, screw rod 201 extends to the outside of base 102, the outside of drive motor 2 is installed with fixing frame, movable disc 3 is located in the inside of support shell 1, the bottom end of test circuit device 103 is connected with spiral contact wire 1031, spiral contact wire 1031 is connected with the top end of movable disc 3, the side of movable disc 3 is connected with threaded seat 301, threaded seat 301 extends to the outside of support shell 1 through support shell 1, threaded seat 301 is sleeved on the outside of screw rod 201 and is drivingly connected with screw rod 201, a plurality of heat dissipation grooves 302 are formed in the outer wall of movable disc 3, sealing plate 304 is connected below movable disc 3, sealing plate 304 is attached to the inner wall of support shell 1, the inside of support shell 1 is opened with sliding groove, sealing plate 304 is attached to sliding groove, temperature sensor 305 is installed on the side of sealing plate 304, output lead 303 is installed in the inside of movable disc 3, output lead 303 is connected with temperature sensor 305, upper contact plate 306 is installed on the inner wall of movable disc 3.

[0031] The utility model discloses a battery detection device, including support shell 1, the outer side of support shell 1 is installed with sliding door 101, the bottom end and the top end of support shell 1 are installed with base 102 and test circuit device 103 respectively, the inside of support shell 1 is opened with test bin 104, the inside of base 102 is installed with lower contact plate 1021, the side of support shell 1 is installed with drive motor 2, the output end of drive motor 2 is connected with screw rod 201, screw rod 201 extends to the outside of base 102, the outside of drive motor 2 is installed with fixing frame, movable disc 3 is located in the inside of support shell 1, the bottom end of test circuit device 103 is connected with spiral contact wire 1031, spiral contact wire 1031 is connected with the top end of movable disc 3, the side of movable disc 3 is connected with threaded seat 301, threaded seat 301 extends to the outside of support shell 1 through support shell 1, threaded seat 301 is sleeved on the outside of screw rod 201 and is drivingly connected with screw rod 201, a plurality of heat dissipation grooves 302 are formed in the outer wall of movable disc 3, sealing plate 304 is connected below movable disc 3, sealing plate 304 is attached to the inner wall of support shell 1, the inside of support shell 1 is opened with sliding groove, sealing plate 304 is attached to sliding groove, temperature sensor 305 is installed on the side of sealing plate 304, output lead 303 is installed in the inside of movable disc 3, output lead 303 is connected with temperature sensor 305, upper contact plate 306 is installed on the inner wall of movable disc 3.

[0032] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change of no creative contribution to the embodiment according to the need after reading the specification without departing from the principle and the purpose of the utility model, but as long as in the patent right claim range of the utility model, it is protected by the patent law.

Claims

1. A heat generation detection device for lithium battery test, comprising a support housing (1), characterized in that: The outer side of the supporting shell (1) is provided with a sliding door (101), the bottom end and the top end of the supporting shell (1) are respectively provided with a base (102) and a test circuit device (103), the inside of the supporting shell (1) is provided with a test bin (104), the inside of the base (102) is provided with a lower electrical connection plate (1021), the side of the supporting shell (1) is provided with a driving motor (2), the output end of the driving motor (2) is connected with a movable disc (3), the movable disc (3) is located in the inside of the supporting shell (1), the movable disc (3) and the test circuit device (103) are connected through wires, the outer wall of the movable disc (3) is provided with a plurality of heat dissipation grooves (302), the lower side of the movable disc (3) is connected with a sealing plate (304), the side of the sealing plate (304) is provided with a temperature sensor (305), and the inner wall of the movable disc (3) is provided with an upper electrical connection plate (306).

2. The heat generation detection device for testing lithium batteries according to claim 1, characterized in that: The bottom end of the test circuit device (103) is connected with a spiral electrical connection wire (1031), and the spiral electrical connection wire (1031) is connected with the top end of the movable disc (3).

3. The heat generation detection device for testing lithium batteries according to claim 1, characterized in that: The output end of the driving motor (2) is connected with a screw rod (201), the screw rod (201) extends to the outside of the base (102), and the outside of the driving motor (2) is provided with a fixing frame.

4. The heat generation detection device for testing lithium batteries according to claim 3, characterized in that: The side of the movable disc (3) is connected with a threaded seat (301), the threaded seat (301) extends through the supporting shell (1) to the outside of the supporting shell (1), and the threaded seat (301) is sleeved on the outside of the screw rod (201) and is in transmission connection with the screw rod (201).

5. The heat generation detection device for testing lithium batteries according to claim 1, characterized in that: The inside of the movable disc (3) is provided with an output wire (303), and the output wire (303) is connected with the temperature sensor (305).

6. The heat generation detection device for testing lithium batteries according to claim 1, characterized in that: The sealing plate (304) is attached to the inner wall of the supporting shell (1), the inside of the supporting shell (1) is provided with a sliding groove, and the sealing plate (304) is attached to the sliding groove.

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