Temperature control box structure for battery test

Abstract

The utility model provides a kind of temperature control box structure for battery test, design temperature control technical field, the temperature control box structure includes: temperature control box, the peripheral side wall of temperature control box is formed by multiple detachable wainscot, multiple wainscot can be expanded to the outside direction of temperature control box or be folded to the inside direction of temperature control box, to be used for amplifying or reducing the volume of temperature control box, the inside of temperature control box is used to place different sizes of battery to be tested;Temperature regulating device, temperature regulating device is set on temperature control box;Temperature regulating device is used to control the temperature in temperature control box, maintains measurement environment in the constant temperature state set, the temperature control box structure realizes the size self-adapting function, realizes the flexible adjustment of length-width size of test space, to adapt to the measurement demand of different size battery, reduces measurement cost and time, improves measurement efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of temperature control technology, and more specifically, relates to a temperature control box structure for battery testing. Background Technology

[0002] In the process of battery research and development, production and quality testing, comprehensive evaluation of battery performance is carried out. During the testing process, it is often necessary to use a temperature control chamber to maintain the measurement environment at a set constant temperature. However, at present, due to the different sizes of batteries, from small pouch batteries to short blade batteries, their external dimensions vary greatly. The existing temperature control chambers used for battery testing often lack flexibility in structural design and are difficult to adapt to the testing needs of batteries of different sizes. This leads to the need to replace temperature control chambers of different volumes or make complex adjustments when testing batteries, which increases measurement costs and time and reduces measurement efficiency. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a temperature control box structure for battery testing. This solves the problem mentioned in the background art that the existing temperature control boxes for battery testing are structurally unsuitable for testing batteries of different sizes. This results in the need to replace the temperature control box with one of different volumes or make complex adjustments when testing batteries, increasing measurement costs and time and reducing measurement efficiency.

[0004] To achieve the above objectives, this utility model provides a temperature control chamber structure for battery testing, the temperature control chamber structure comprising:

[0005] The temperature control chamber has its perimeter walls formed by multiple detachable panels. These panels can be extended outward or retracted inward to enlarge or reduce the volume of the temperature control chamber. The interior of the temperature control chamber is used to place batteries of different sizes to be tested.

[0006] A temperature regulating device is installed on the temperature control box.

[0007] Preferably, the temperature control box includes:

[0008] Two enclosures;

[0009] Two retractable end caps are provided at both ends of the cover body, and each retractable end cap is detachably connected to the two cover bodies;

[0010] Two retractable side covers are provided on both sides of the cover body, and each retractable side cover is detachably connected to the two cover bodies;

[0011] Four retractable corner caps, with adjacent retractable end caps and retractable side caps detachably connected to both ends of one of the retractable corner caps;

[0012] The retractable end caps, retractable side caps, and retractable corner caps are all enclosure panels. The two enclosures, two retractable end caps, two retractable side caps, and four retractable corner caps form a temperature control box whose volume can be enlarged or reduced.

[0013] Preferably, the retractable end cap further includes:

[0014] End plate;

[0015] Two first sliding plates, one end of each first sliding plate being connected to the top and bottom of the end plate respectively, and the inside of the cover is provided with a first sliding groove extending to the periphery of the cover, and the two first sliding plates are slidably connected in the two first sliding grooves of the cover respectively.

[0016] Preferably, the retractable side cover further includes:

[0017] Side panels;

[0018] Two second slide plates, one end of each second slide plate is connected to the top and bottom of the side plate respectively. The first slide plate is also provided with a first slide groove inside, which extends to one end and both sides of the first slide plate. The two second slide plates are slidably connected in the first slide grooves of the two covers respectively.

[0019] Preferably, the retractable corner cap includes:

[0020] Angle plate, the angle plate being L-shaped;

[0021] Two third sliding plates are respectively connected to the top and bottom of the corner plate. The two third sliding plates are slidably connected in the first sliding grooves of the two covers. The two ends of the end plate are provided with second sliding grooves, and the two ends of the side plate are provided with third sliding grooves. The two ends of the corner plate are slidably connected in the second sliding grooves of the opposite end plate and the third sliding grooves of the opposite side plate.

[0022] Preferably, the temperature regulating device includes:

[0023] At least one radiator is provided, and a heat dissipation vent is provided at the middle position of the top of the temperature control box, and a radiator is installed inside the heat dissipation vent.

[0024] At least one temperature sensor is provided, and the temperature sensor is installed inside the temperature control box.

[0025] A control unit, which is electrically connected to the heat sink and the temperature sensor.

[0026] Preferably, the temperature regulating device further includes multiple one-way venting plates, and multiple one-way venting plates are arranged on the top of the heat dissipation vent.

[0027] Preferably, the temperature sensor is a resistance temperature sensor or a thermocouple sensor.

[0028] Preferably, the cover, the retractable end cap, the retractable side cap, and the retractable corner cap are all provided with a gap inside, and the gap is provided with a heat insulation layer.

[0029] Preferably, the thermal insulation interlayer comprises a nano-aerogel felt or a vacuum insulation panel.

[0030] This utility model provides a temperature control chamber structure for battery testing. Its advantages include: the side walls of the temperature control chamber are formed by multiple detachable panels, which can extend outwards or retract inwards to adjust the internal space, facilitating the placement of batteries of different sizes. A temperature regulation device controls the temperature inside the chamber, maintaining the measurement environment at a set constant temperature. This temperature control chamber structure achieves size self-adaptation, allowing flexible adjustment of the length and width of the testing space to meet the measurement needs of batteries of different sizes, reducing measurement costs and time, and improving measurement efficiency.

[0031] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0032] The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings, in which like reference numerals generally represent like parts.

[0033] Figure 1 A perspective structural schematic diagram of a temperature control box structure for battery testing according to an embodiment of the present invention is shown.

[0034] Figure 2 A schematic diagram of the structure of a temperature control box for battery testing according to an embodiment of the present invention is shown when the volume changes.

[0035] Figure 3 A split-structure schematic diagram of a temperature control box structure for battery testing according to an embodiment of the present invention is shown;

[0036] Figure 4 A three-dimensional structural diagram of the cover of a temperature control box for battery testing according to an embodiment of the present invention is shown.

[0037] Explanation of reference numerals in the attached figures:

[0038] 1. Cover; 2. End plate; 3. First slide plate; 4. First slide groove; 5. Side plate; 6. Second slide plate; 7. Corner plate; 8. Third slide plate; 9. Second slide groove; 10. Third slide groove; 11. Radiator; 12. Temperature sensor; 13. One-way ventilation plate. Detailed Implementation

[0039] Preferred embodiments of the present invention will now be described in more detail. While preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0040] like Figures 1-4 As shown, this utility model provides a temperature control box structure for battery testing, the temperature control box structure comprising:

[0041] The temperature control chamber has multiple detachable panels on its side walls. These panels can be extended outward or retracted inward to enlarge or reduce the volume of the temperature control chamber. The interior of the temperature control chamber is used to place batteries of different sizes to be tested.

[0042] Temperature control device, which is installed on the temperature control box.

[0043] Specifically, to address the problem that existing temperature control boxes for battery testing are structurally incompatible with the testing needs of batteries of different sizes, which necessitates replacing temperature control boxes of different volumes or making complex adjustments during battery testing, increasing measurement costs and time, and reducing measurement efficiency, this utility model provides a temperature control box structure for battery testing. The temperature control box structure has multiple detachable sidewalls forming the perimeter walls. These sidewalls can extend outwards or retract inwards to adjust the internal space of the temperature control box, facilitating the placement of batteries of different sizes. A temperature regulation device is used to control the temperature inside the temperature control box, maintaining the measurement environment at a set constant temperature. This temperature control box structure achieves size self-adaptation, enabling flexible adjustment of the length and width dimensions of the testing space to adapt to the measurement needs of batteries of different sizes, reducing measurement costs and time, and improving measurement efficiency.

[0044] Preferably, the temperature control box includes:

[0045] Two enclosures 1;

[0046] Two retractable end caps are provided at both ends of the cover 1, and each retractable end cap is detachably connected to the two cover bodies 1.

[0047] Two retractable side covers are provided on both sides of the cover 1, and each retractable side cover is detachably connected to the two covers 1.

[0048] Four retractable corner caps, adjacent retractable end caps and a retractable side cap are detachably connected to both ends of a retractable corner cap;

[0049] The retractable end caps, retractable side caps, and retractable corner caps are all enclosure panels. The two enclosures, two retractable end caps, two retractable side caps, and four retractable corner caps form a temperature control box whose volume can be enlarged or reduced.

[0050] Specifically, the temperature control chamber consists of two covers, two retractable end caps, two retractable side caps, and four retractable corner caps, forming a temperature control chamber whose volume can be enlarged or reduced. When testing batteries of different sizes, the internal space of the temperature control chamber can be adjusted by stretching the retractable end caps, retractable side caps, or retractable corner caps according to the size of the battery, making it convenient to accommodate batteries of different sizes. The temperature regulation device is used to regulate the temperature inside the temperature control chamber and maintain the measurement environment at a set constant temperature. This temperature control chamber structure realizes the size self-adaptation function, realizing the flexible adjustment of the length and width of the test space to adapt to the measurement needs of batteries of different sizes, reducing measurement costs and time, and improving measurement efficiency.

[0051] Preferably, the retractable end cap further includes:

[0052] End plate 2;

[0053] Two first slide plates 3, one end of each first slide plate 3 is connected to the top and bottom of the end plate 2 respectively. The inside of the cover 1 is provided with a first slide groove 4, which extends to the periphery of the cover 1. The two first slide plates 3 are slidably connected in the first slide groove 4 of the two cover 1 respectively.

[0054] Specifically, the first slide plate 3 can slide within the first slide groove 4. When the operating end plate 2 moves toward or away from the cover 1, the length of the temperature control box can be adjusted to easily place longer batteries and meet the testing requirements of longer batteries.

[0055] Preferably, the retractable side cover further includes:

[0056] Side panel 5;

[0057] Two second slide plates 6, one end of each second slide plate 6 is connected to the top and bottom of the side plate 5 respectively. The first slide plate 3 is also provided with a first slide groove 4 inside. The first slide groove 4 extends to one end and both sides of the first slide plate 3. The two second slide plates 6 are slidably connected in the first slide groove 4 of the two covers 1 respectively.

[0058] Specifically, the second slide plate 6 can slide within the first slide groove 4. When the operating side plate 5 moves towards or away from the cover 1, the width of the temperature control box can be adjusted to accommodate wider batteries and meet the testing requirements of wider batteries.

[0059] Preferably, the retractable corner cap includes:

[0060] Angle plate 7, angle plate 7 is L-shaped;

[0061] Two third sliding plates 8 are connected to the top and bottom of the corner plate 7 respectively. The two third sliding plates 8 are slidably connected in the first sliding groove 4 of the two covers 1 respectively. The two ends of the end plate 2 are provided with second sliding grooves 9, and the two ends of the side plate 5 are provided with third sliding grooves 10 respectively. The two ends of the corner plate 7 are slidably connected in the second sliding groove 9 of the opposite end plate 2 and the third sliding groove 10 of the side plate 5 respectively.

[0062] Specifically, since the third slide plate 8 can slide in the first slide groove 4, and the two ends of the corner plate 7 can slide in the second slide groove 9 of the end plate 2 and the third slide groove 10 of the side plate 5 respectively, the corner plate 7 can move with the end plate 2 and also with the side plate 5, thereby realizing the enlargement or reduction of the volume of the temperature control box, making it convenient to put in batteries of different sizes, and realizing the flexible adjustment of the length and width of the test space to adapt to the measurement needs of batteries of different sizes.

[0063] Preferably, the temperature regulating device includes:

[0064] At least one radiator 11 is provided, and a heat dissipation vent is provided at the middle position of the top of the temperature control box, and a radiator 11 is installed inside the heat dissipation vent;

[0065] At least one temperature sensor 12 is installed inside the temperature control box;

[0066] The control unit is electrically connected to the heat sink 11 and the temperature sensor 12;

[0067] Multiple one-way ventilation plates 13 are arranged on the top of the heat dissipation vent.

[0068] Specifically, to address the issue that while comprehensive evaluation of battery cell performance is conducted during cell research and development, production, and quality testing, the charging and discharging process of batteries in high and low temperature environments generates heat, leading to significant differences between the test results of bare cells and the system-level test results, this application provides a temperature regulation device. The temperature sensor 12 is a resistance temperature sensor or a thermocouple sensor, and the heat sink 11 is a cooling fan. The temperature sensor 12 can convert the detected temperature signal into an electrical signal and transmit it to the control unit for processing. The control unit determines whether to start or adjust the operating state of the heat sink 11 based on a preset temperature range.

[0069] When the internal temperature of the temperature control chamber rises due to battery heating, the temperature sensor 12 detects this and controls the radiator 11 to work through the control unit. The air generated by the radiator 11 blows open the one-way ventilation plate 13 to dissipate heat from the inside, enabling real-time and accurate monitoring of the temperature in the test environment.

[0070] Preferably, the cover body 1, the retractable end cap, the retractable side cap and the retractable corner cap are all provided with a gap inside, and the gap is provided with an insulation layer.

[0071] Specifically, to address the problem that traditional temperature-controlled chambers lack sufficient thermal insulation for cell testing, and that the deviation between the testing environment and actual application scenarios makes it difficult to maintain a constant temperature in the measurement environment, leading to significant discrepancies in test results, this application provides an insulation interlayer. The insulation interlayer can be a nano-aerogel felt or a vacuum insulation panel. This insulation interlayer possesses excellent thermal insulation properties, effectively reducing heat loss from the internal environment to the external environment while simultaneously preventing external heat from entering the internal environment, maintaining a constant temperature in the measurement environment, and improving measurement stability and repeatability. This is crucial for battery research scenarios requiring high-precision measurements. For novel material systems, such as sodium-ion batteries, due to their high temperature sensitivity, relatively thermally insulated measurement methods are necessary to evaluate the intrinsic high and low temperature performance levels of the battery.

[0072] In summary, the temperature control box structure for battery testing proposed in this application enhances size adaptability, reduces measurement costs, and improves testing efficiency. Specifically, due to the diverse sizes of batteries, traditional temperature control box structures are difficult to adapt to. The adjustable end plate 2, side plate 5, and corner plate 7 of this temperature control box structure can flexibly adjust the length and width of the temperature control box space to meet the measurement needs of batteries of different sizes, avoid frequent replacement or adjustment of the temperature control box, reduce equipment purchase costs and operating time, improve measurement efficiency, and enable enterprises to invest less resources in the measurement process, thereby enhancing their market competitiveness.

[0073] To address the challenges of temperature control and improve measurement accuracy, this application addresses the issue of heat generated during battery charging and discharging affecting measurement results. Existing temperature control chamber structures are insufficient for adequate temperature control. The proposed temperature control chamber structure can monitor the temperature within the measurement environment in real time and with high accuracy. Once a temperature change is detected, the system responds rapidly and automatically adjusts the operation of the cooling fan. When the internal temperature of the temperature control chamber rises, the cooling fan activates promptly to effectively remove excess heat, maintaining a constant temperature in the measurement environment. This ensures the accuracy of battery performance parameter measurements, providing reliable data support for battery research and development, production, and quality testing. It also helps companies accurately control battery quality and reduce product problems caused by measurement errors.

[0074] The use of thermal insulation layers optimizes the measurement environment. Specifically, each component of the temperature control chamber is equipped with a thermal insulation layer, using high-efficiency thermal insulation materials such as nano-aerogel felt to effectively insulate against heat, reduce heat exchange between the inside and outside, further stabilize the measurement environment temperature, and improve measurement stability and repeatability. This is crucial for battery research scenarios that require high-precision measurements.

[0075] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A temperature control chamber structure for battery testing, characterized in that, The temperature control box structure includes: The temperature control chamber has its perimeter walls formed by multiple detachable panels. These panels can be extended outward or retracted inward to enlarge or reduce the volume of the temperature control chamber. The interior of the temperature control chamber is used to place batteries of different sizes to be tested. A temperature regulating device is installed on the temperature control box.

2. The temperature control chamber structure for battery testing according to claim 1, characterized in that, The temperature control chamber includes: Two enclosures; Two retractable end caps are provided at both ends of the cover body, and each retractable end cap is detachably connected to the two cover bodies; Two retractable side covers are provided on both sides of the cover body, and each retractable side cover is detachably connected to the two cover bodies; Four retractable corner caps, with adjacent retractable end caps and retractable side caps detachably connected to both ends of one of the retractable corner caps; The retractable end caps, retractable side caps, and retractable corner caps are all enclosure panels. The two enclosures, two retractable end caps, two retractable side caps, and four retractable corner caps form a temperature control box whose volume can be enlarged or reduced.

3. The temperature control chamber structure for battery testing according to claim 2, characterized in that, The retractable end cap also includes: End plate; Two first sliding plates, one end of each first sliding plate being connected to the top and bottom of the end plate respectively, and the inside of the cover is provided with a first sliding groove extending to the periphery of the cover, and the two first sliding plates are slidably connected in the two first sliding grooves of the cover respectively.

4. The temperature control chamber structure for battery testing according to claim 3, characterized in that, The retractable side cover also includes: Side panels; Two second slide plates, one end of each second slide plate is connected to the top and bottom of the side plate respectively. The first slide plate is also provided with a first slide groove inside, which extends to one end and both sides of the first slide plate. The two second slide plates are slidably connected in the first slide grooves of the two covers respectively.

5. The structure of a temperature control chamber for battery testing according to claim 4, characterized in that, The retractable corner cap includes: Angle plate, the angle plate being L-shaped; Two third sliding plates are respectively connected to the top and bottom of the corner plate. The two third sliding plates are slidably connected in the first sliding grooves of the two covers. The two ends of the end plate are provided with second sliding grooves, and the two ends of the side plate are provided with third sliding grooves. The two ends of the corner plate are slidably connected in the second sliding grooves of the opposite end plate and the third sliding grooves of the opposite side plate.

6. The structure of a temperature control chamber for battery testing according to claim 1, characterized in that, The temperature regulating device includes: At least one radiator is provided, and a heat dissipation vent is provided at the middle position of the top of the temperature control box, and a radiator is installed inside the heat dissipation vent. At least one temperature sensor is provided, and the temperature sensor is installed inside the temperature control box. A control unit, which is electrically connected to the heat sink and the temperature sensor.

7. The temperature control chamber structure for battery testing according to claim 6, characterized in that, The temperature regulating device also includes multiple one-way ventilation plates, and multiple one-way ventilation plates are arranged on the top of the heat dissipation port.

8. The structure of a temperature control box for battery testing according to claim 6, characterized in that, The radiator is a cooling fan.

9. The structure of a temperature control box for battery testing according to claim 2, characterized in that, The cover, the retractable end cap, the retractable side cap, and the retractable corner cap all have internal gaps, and the gaps are provided with heat insulation layers.

10. The structure of a temperature control chamber for battery testing according to claim 9, characterized in that, The insulation layer includes nano-aerogel felt or vacuum insulation board.

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