CN216560922U - Explosion-proof dedicated high low temperature test case of lithium cell - Google Patents

Abstract

The utility model relates to a high-low temperature test box special for explosion prevention of a lithium battery, which belongs to the field of battery test boxes and comprises a test box body and a plurality of containing cavities, wherein the plurality of containing cavities are arranged in the test box body; the utility model effectively solves the problems of high-low temperature integration and low safety coefficient of the existing lithium battery test box, ensures the safety of the lithium battery explosion-proof test box, simultaneously ensures the safety of test operators, and has remarkable practicability.

Description

Explosion-proof dedicated high low temperature test case of lithium cell

The technical field is as follows:

the utility model relates to the field of battery test boxes, in particular to a high-low temperature test box special for explosion prevention of a lithium battery.

The background art comprises the following steps:

after the lithium battery is produced, before the lithium battery reaches the hands of consumers, battery safety detection is needed to ensure the safety of the battery and reduce the potential safety hazard. The explosion-proof detection of current lithium cell includes that temperature detection, resistance to compression detect, humidity detect etc. and temperature detection is comparatively important detection in the lithium cell, and whether the lithium cell depends on the quality of lithium cell whether high temperature or low temperature down, and current detection case has high temperature or low temperature at the detected value, and the difficult control in the detection test incasement lithium cell nature back, has the potential safety hazard of increaseing. Therefore, the utility model provides a high-low temperature test box special for lithium battery explosion prevention, which aims to solve the defects and shortcomings in the prior art.

The utility model has the following contents:

the utility model aims to overcome the defects in the prior art and provide the special high-low temperature test box for explosion prevention of the lithium battery.

The technical scheme adopted by the utility model is as follows:

the utility model provides a special high low temperature test box of lithium cell explosion-proof, includes experimental box and holds the chamber, be equipped with a plurality of appearance chambeies in the experimental box, experimental box top is equipped with the relief valve, hold the intracavity and be equipped with temperature control mechanism, temperature control mechanism is refrigerating plant and heats the device, refrigerating plant includes refrigerator, circulating fan, circulating air pipe, the circulating air pipe is installed on the experimental box, circulating air pipe both ends run through respectively and extend to hold the intracavity, be equipped with on the circulating air pipe the refrigerator, the refrigerator is installed the experimental box outside.

Preferably, the heating device comprises a protective frame, an electric heating pipe, a temperature controller and a temperature sensor, wherein the protective frame is installed on the side wall of the accommodating cavity, the electric heating pipe is installed between the protective frames, the electric heating pipe is electrically connected with the temperature controller, the temperature controller is installed on the outer side wall of the test box body, and the temperature sensor is installed at the top of the inner side wall of the accommodating cavity.

Preferably, a fire extinguishing assembly is further arranged in the test box body and comprises a fire extinguisher, a fire extinguishing pipeline, a smoke sensor and an atomizing nozzle, the fire extinguisher is installed on the outer side wall of the test box body, one end of the fire extinguishing pipeline is communicated with the fire extinguisher, the other end of the fire extinguishing pipeline extends into the containing cavity and is provided with the atomizing nozzle, and the smoke sensor is installed on the inner wall of the top of the containing cavity.

Preferably, the appearance chamber bottom is equipped with the battery rack, be equipped with the lithium cell standing groove between the battery rack, be equipped with high temperature resistant net dish between the lithium cell standing groove.

Preferably, the battery placing rack is detachably and fixedly provided with a protective metal net rack

The utility model has the beneficial effects that: the utility model effectively solves the problems of high-low temperature integration and low safety coefficient of the existing lithium battery test box, and effectively realizes the integrated combination of the high-low temperature test box of the lithium battery through the arrangement of the refrigerating device and the heating device, so that the test box can carry out high-temperature test and low-temperature test.

Description of the drawings:

FIG. 1: the utility model is a three-dimensional structure schematic diagram of a first view angle.

FIG. 2: the utility model also discloses a three-dimensional structure schematic diagram of a second visual angle.

FIG. 3: the three-dimensional structure of the third view angle of the utility model is shown schematically.

FIG. 4: the utility model discloses a structure schematic diagram of a protective frame.

FIG. 5: the utility model discloses a structural schematic diagram of a refrigerating device.

FIG. 6: the utility model discloses a structural schematic diagram of a battery placing frame.

In the figure: 001. the experimental box, the 002 appearance chamber, 003, the relief valve, 004, refrigerating plant, 401, the refrigerator, 402, circulating fan, 403, circulating air pipe, 005, heating device, 501, the protective frame, 502, electric heating pipe, 503, temperature controller, 504, temperature-sensing ware, 006, the subassembly of putting out a fire, 601, the fire extinguisher, 602, the pipeline of putting out a fire, 603, smoke transducer, 604, atomizer, 007, battery rack, 008, lithium cell standing groove, 009, high temperature resistant net dish, 010, protection metal net rack.

The specific implementation mode is as follows:

the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1-6, a special high-low temperature test box for lithium battery explosion prevention comprises a test box body 001 and a cavity 002, a plurality of cavities 002 are arranged in the test box body 001, a pressure relief valve 003 is arranged at the top of the test box body 001, a temperature control mechanism is arranged in the cavity 002, the temperature control mechanism is a refrigerating device 004 and a heating device 005, the refrigerating device 004 comprises a refrigerator 401, a circulating fan 402, a circulating air pipe 403, the circulating air pipe 403 is installed on the test box body 001, two ends of the circulating air pipe 403 respectively penetrate through and extend into the cavities 002, the refrigerating machine 401 is arranged on the circulating air pipe 403, the refrigerator 401 is installed outside the test box body 001, when a low-temperature lithium battery explosion prevention test is performed, the refrigerating machine 401 and the circulating fan 402 are controlled, so that the circulating fan 402 blows air into the cavity 002 through the circulating air pipe 403 to circulate, and cools down the lithium battery to perform low-temperature detection.

The scheme has the following one-step optimization setting: as shown in fig. 1 and 4, the heating device 005 comprises a protective frame 501, an electric heating tube 502, a temperature controller 503 and a temperature sensor 504, the protective frame 501 is installed on the side wall of the containing cavity 002, the electric heating tube 502 is installed between the protective frames 501, the electric heating tube 502 is electrically connected with the temperature controller 503, the temperature controller 503 is installed on the outer side wall of the test box 001, the temperature sensor 504 is installed at the top of the inner wall of the containing cavity 002, the temperature of the electric heating tube 502 is controlled by the temperature controller 503 to rise, the temperature sensor 504 detects the temperature in the containing cavity 002, and the lithium battery performs a high-temperature explosion-proof test under the measurement of the electric heating tube 502.

The scheme has the following one-step optimization setting: as shown in fig. 2-3, still be equipped with fire extinguishing assembly 006 in experimental box 001, fire extinguishing assembly 006 includes fire extinguisher 601, pipeline 602 puts out a fire, smoke transducer 603, atomizer 604, fire extinguisher 601 is installed on experimental box 001 lateral wall, pipeline 602 one end intercommunication fire extinguisher 601 puts out a fire, the pipeline 602 other end of putting out a fire extends to and holds the chamber 002 in and install atomizer 604, smoke transducer 603 installs on holding chamber 002 top inner wall, when the circumstances such as spontaneous combustion takes place in the explosion-proof test procedure of lithium cell, smoke transducer 603 detects the smog that the lithium cell spontaneous combustion produced, fire extinguisher 601 is spouted by atomizer 604 through pipeline 602 puts out a fire, put out a fire to the lithium cell that holds the intracavity 002 spontaneous combustion.

The scheme has the following one-step optimization setting: as shown in fig. 6, the bottom of the accommodating cavity 002 is provided with a battery placing rack 007, a lithium battery placing groove 008 is arranged between the battery placing racks 007, a high-temperature-resistant net disc 009 is arranged between the lithium battery placing grooves 008, the lithium battery is placed in the lithium battery placing groove 008 between the battery placing racks 007, and the high-temperature-resistant net disc 009 in the lithium battery placing groove 008 supports the lithium battery to be subjected to explosion-proof detection.

The scheme has the following one-step optimization setting: as shown in fig. 6, detachable fixed mounting is equipped with protection metal net rack 010 on battery rack 007, and when the lithium cell takes place spontaneous combustion or even explodes in explosion-proof test process, protection metal net rack 010 can the effectual assurance hold the safety of chamber 002 internals, also reduces the destructiveness to holding the chamber 002.

The using method or principle of the utility model is as follows: to treat explosion-proof test lithium cell and place in lithium cell standing groove 008 between battery rack 007, treat explosion-proof detection's lithium cell in the high temperature resistant net dish 009 support in the lithium cell standing groove 008, then fix the installation of protection metal net rack 010 on battery rack 007, test box 001 is closed, when carrying out the high temperature test, control electric heating pipe 502 through temperature controller 503 and heat up, temperature-sensing ware 504 is implemented and is detected the temperature that holds the chamber 002, the lithium cell carries out high temperature explosion-proof test under electric heating pipe 502's the survey that adds, when carrying out low temperature lithium cell explosion-proof test, through control refrigerator 401 and circulating fan 402, make circulating fan 402 blow into holding chamber 002 with air conditioning through circulating air pipe and circulate, cool down the lithium cell and carry out the low temperature test. When spontaneous combustion and other conditions occur in the lithium battery explosion-proof test process, after smoke generated by spontaneous combustion of the lithium battery is detected by the smoke sensor 603, the fire extinguisher 601 is sprayed out from the atomizing nozzle 604 through the fire extinguishing pipeline 602 to extinguish the fire of the spontaneous combustion lithium battery in the accommodating cavity 002.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (5)

1. The utility model provides an explosion-proof dedicated high low temperature test case of lithium cell which characterized in that: including experimental box (001) and appearance chamber (002), be equipped with a plurality of appearance chambers (002) in experimental box (001), experimental box (001) top is equipped with relief valve (003), be equipped with temperature control mechanism in appearance chamber (002), temperature control mechanism is refrigerating plant (004) and heating device (005), refrigerating plant (004) includes refrigerator (401), circulating fan (402), circulating air pipe (403), install circulating air pipe (403) on experimental box (001), circulating air pipe (403) both ends are run through respectively and are extended to in appearance chamber (002), be equipped with on circulating air pipe (403) refrigerator (401), install refrigerator (401) experimental box (001) outside.

2. The explosion-proof special high-low temperature test box of lithium battery of claim 1, characterized in that: heating device (005) are including protection frame (501), electric heating pipe (502), temperature controller (503), temperature-sensing ware (504), install protection frame (501) hold on the chamber (002) lateral wall, electric heating pipe (502) are installed between protection frame (501), electric heating pipe (502) electric connection temperature controller (503), temperature controller (503) are installed on experimental box (001) lateral wall, temperature-sensing ware (504) are installed hold chamber (002) inner wall top.

3. The explosion-proof special high-low temperature test box of lithium battery of claim 1, characterized in that: still be equipped with fire extinguishing assembly (006) in experimental box (001), fire extinguishing assembly (006) includes fire extinguisher (601), pipeline (602), smoke transducer (603), atomizer (604) of putting out a fire, install fire extinguisher (601) on experimental box (001) lateral wall, pipeline (602) one end intercommunication of putting out a fire extinguisher (601), the pipeline (602) other end of putting out a fire extends to hold the chamber (002) in and install atomizer (604), smoke transducer (603) are installed hold on chamber (002) top inner wall.

4. The explosion-proof special high-low temperature test box of lithium battery of claim 1, characterized in that: the battery storage rack is characterized in that a battery storage rack (007) is arranged at the bottom of the accommodating cavity (002), a lithium battery placing groove (008) is formed between the battery storage rack (007), and a high-temperature-resistant net disc (009) is arranged between the lithium battery placing groove (008).

5. The explosion-proof special high-low temperature test box of lithium battery of claim 4, characterized in that: the battery placing rack (007) is detachably and fixedly provided with a protective metal net rack (010).

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