CN215575558U - Lithium battery charging and discharging testing device - Google Patents
Lithium battery charging and discharging testing device Download PDFInfo
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- CN215575558U CN215575558U CN202120597066.9U CN202120597066U CN215575558U CN 215575558 U CN215575558 U CN 215575558U CN 202120597066 U CN202120597066 U CN 202120597066U CN 215575558 U CN215575558 U CN 215575558U
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Abstract
The utility model relates to the technical field of lithium battery production, and particularly discloses a lithium battery charging and discharging testing device. The lithium battery charging and discharging testing device comprises a rack, a testing platform and a lifting unit, wherein a fire-fighting water tank is arranged below the rack; the testing platform is used for placing the battery pack, is arranged above the fire water tank and is provided with a detection assembly for detecting smoke and the temperature of the battery pack; the lifting unit is arranged on the frame and can drive the test platform to descend into the fire water tank. According to the lithium battery charging and discharging testing device, the fire water tank is arranged below the testing platform, when the detecting assembly detects that the temperature of the battery pack is too high or smoke is detected during testing, the lifting unit drives the testing platform to descend into the fire water tank, automatic fire fighting is achieved, the problem of difficulty in manual carrying is solved, the occurrence of larger dangerous situations caused by untimely manual finding is avoided, and safety guarantee is provided for safety of testers and workshops.
Description
Technical Field
The utility model relates to the technical field of lithium battery production, in particular to a lithium battery charging and discharging testing device.
Background
In the field of lithium battery production, charging and discharging and destructive testing are required to be performed on a battery pack so as to ensure that various performances of the battery pack meet requirements. However, when the battery pack is subjected to charge and discharge or a breakage test, an accident of overheating and ignition of the battery pack is likely to occur.
The current testing device for charging and discharging of the lithium battery does not have the function of automatic fire protection generally. A water tank is generally provided near the apparatus, and when the tested battery is in a dangerous situation, the battery is manually carried and thrown into the water tank. The mode is only suitable for some batteries with lighter weight, and the manual carrying is convenient. For some batteries with larger weight, tools such as a trolley are needed, the carrying process is complex, manual work is needed to participate in the whole process, and certain safety risks exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lithium battery charging and discharging testing device which can automatically judge and execute a fire fighting process and provide safety guarantee for safety of testing personnel and workshops.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a lithium battery charge-discharge testing device comprises:
the fire-fighting water tank is arranged below the rack;
the testing platform is used for placing a battery pack, the testing platform is arranged above the fire water tank, and a detection assembly for detecting smoke and the temperature of the battery pack is arranged on the testing platform;
the lifting unit is installed on the rack and can drive the test platform to descend into the fire water tank.
Preferably, a spring balancer is movably mounted on the frame, and a test cable used for being connected with the battery pack is arranged on the spring balancer.
Preferably, a slide rail is mounted on the frame, and the spring balancer is slidably mounted on the slide rail.
Preferably, the test platform comprises a platform support, a plurality of rollers are arranged on the platform support side by side, and the platform support is connected with the lifting unit.
Preferably, the lifting unit includes:
the test platform is connected with the transmission assembly;
and the driving assembly drives the transmission assembly to drive the test platform to lift.
Preferably, the transmission assembly comprises:
the chain wheel and chain mechanism is provided with four groups, each chain wheel and chain mechanism comprises two chain wheels and a chain which is in transmission connection with the two chain wheels, and the test platform is connected with the chain;
one of the chain wheels of the two groups of chain wheel and chain mechanisms is connected with a gear assembly, the two gear assemblies are in transmission connection through the driving shaft, and one of the gear assemblies is connected with the output end of the driving assembly;
and two driven shafts are arranged, and each chain wheel and chain mechanism connected with the gear assembly is correspondingly in transmission connection with the other two chain wheel and chain mechanisms through the driven shafts.
Preferably, the test platform is provided with a first connecting block, the chain is provided with a second connecting block, and the first connecting block is connected with the second connecting block through a bolt.
Preferably, the driving assembly comprises a self-locking motor having two output ends, one output end of the motor is connected with the gear assembly, and the other output end is connected with a rocking handle.
Preferably, the motor is a self-locking worm gear speed reducing motor or a band-type brake motor capable of being unlocked manually.
Preferably, the detection assembly comprises a smoke sensor for detecting smoke and an infrared temperature sensor for detecting the temperature of the battery pack.
The utility model has the beneficial effects that:
according to the lithium battery charging and discharging testing device, the fire water tank is arranged below the testing platform, when the detecting assembly detects that the temperature of the battery pack is too high or smoke is detected during testing, the lifting unit drives the testing platform to descend into the fire water tank, automatic fire fighting is achieved, the problem of difficulty in manual carrying is solved, manual participation is reduced, the occurrence of larger dangerous situations caused by untimely manual discovery is avoided, and safety guarantee is provided for safety of testing personnel and workshops.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery charge and discharge testing apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view at A of FIG. 1;
fig. 3 is a schematic structural diagram of a lithium battery charge and discharge testing apparatus according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a lithium battery charge and discharge testing apparatus provided in a third embodiment of the present invention;
fig. 5 is a schematic view of a connection structure between a test module and a rack according to a fourth embodiment of the present invention.
In the figure:
1. a frame; 2. a fire water tank; 3. a test platform; 31. a platform support; 32. a roller; 4. a lifting unit; 411. a sprocket chain mechanism; 412. a drive shaft; 413. a driven shaft; 414. a gear assembly; 42. a drive assembly; 43. shaking the handle; 5. a spring balancer; 6. testing the cable; 7. a slide rail; 8. a detection component; 91. a cross beam; 92. a first guide rail; 93. a first guide block; 94. a first connecting plate; 95. a second guide rail; 96. a second guide block; 97. a second connecting plate; 98. a third guide rail; 99. a third guide block; 100. a battery pack.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example one
As shown in fig. 1 and fig. 2, the present embodiment provides a lithium battery charging and discharging testing apparatus, which includes a rack 1, a testing platform 3, and a lifting unit 4, wherein a fire-fighting water tank 2 is arranged below the rack 1; the testing platform 3 is used for placing the battery pack 100, the testing platform 3 is arranged above the fire water tank 2, and a detecting assembly 8 for detecting smoke and the temperature of the battery pack 100 is arranged on the testing platform 3; lifting unit 4 installs in frame 1, and lifting unit 4 can drive test platform 3 and descend to in fire water tank 2. Fire water tank 2 is placed to 3 below of test platform, detect battery package 100 high temperature or detect smog when the test at determine module 8, lifting unit 4 drive test platform 3 descends to in fire water tank 2, has realized automatic fire control, has solved the problem of artifical transport difficulty, has reduced artificial participation, has avoided the artifical discovery to cause the emergence of bigger dangerous situation untimely, and provides the safety guarantee for the safety in tester and workshop.
In this embodiment, a test cable 6 is disposed on the rack 1, and the test cable 6 is used for connecting with the battery pack 100 to perform a performance test of the battery pack 100.
In this embodiment, the top of frame 1 is equipped with mounting table surface, fire-fighting water tank 2 is placed in the mounting table surface below, the opening has been seted up on the mounting table surface, opening on the mounting table surface is just to setting up with fire-fighting water tank 2's upper portion opening, lift unit 4 installs on mounting table surface, when this testing arrangement carries out the test experiment, mounting table surface top is arranged in to test platform 3, when carrying out fire control operation, test platform 3 descends to pass in mounting table surface's opening arranges fire-fighting water tank 2 in, contain fire-fighting media such as water in the fire-fighting water tank 2, in order to put out a fire or cool down to battery package 100.
Further, the bottom of fire water tank 2 is equipped with the gyro wheel, and one side of fire water tank 2 is equipped with the push-and-pull handle, is convenient for remove fire water tank 2, changes the fire control medium in the fire water tank 2.
The lifting unit 4 is used for driving the testing platform 3 to ascend or descend, in this embodiment, the lifting unit 4 comprises a transmission component and a driving component 42, the testing platform 3 is connected with the transmission component, and the driving component 42 drives the transmission component to drive the testing platform 3 to ascend and descend.
Further, the drive assembly includes sprocket chain mechanism 411, and sprocket chain mechanism 411 is equipped with four groups, and every sprocket chain mechanism 411 of group all includes two sprockets and the chain of two sprockets is connected in the transmission, and test platform 3 is connected with the chain, specifically, test platform 3's platform support 31 is connected with the chain. One of the two sprockets of the two sprocket-and-chain mechanisms 411 is connected with a gear assembly 414, the two gear assemblies 414 are in transmission connection through a driving shaft 412, and one gear assembly 414 is connected with the output end of the driving assembly 42. Each chain wheel and chain mechanism 411 connected with a gear assembly 414 is correspondingly in transmission connection with the other two chain wheel and chain mechanisms 411 through a driven shaft 413. Drive assembly 42 drives rather than the sprocket chain mechanism 411 transmission of being connected, drives other three sprocket chain mechanism 411 transmissions simultaneously through driven shaft 413 and driving shaft 412, and then has realized the simultaneous transmission of four group sprocket chain mechanisms 411, has the synchronism, has improved the stability that test platform 3 goes up and down, and only adopts a drive assembly 42, has simplified the structure. Since the gear assembly 414 is formed by meshing a plurality of gears, which are not described in detail herein for the purpose of describing the prior art, the output end of the gear assembly 414 meshes with one of the gears of the sprocket chain mechanism 411 to achieve force transmission.
For the convenience of post-processing after the disappearance and the prevention, the chain can be dismantled with test platform 3 and be connected, specifically, is equipped with first connecting block on test platform 3, and first connecting block is preferred to be set up on test platform 3's platform support 31, is equipped with the second connecting block on the chain, and first connecting block passes through the bolt with the second connecting block and is connected to can realize test platform 3's quick assembly disassembly. The chain may also be connected to the testing platform 3 by a snap fit, which is not limited herein.
In other embodiments, the driving component may also be a synchronous belt driving mechanism, the driving component 42 drives a synchronous belt pulley to rotate so as to drive the synchronous belt driving mechanism, and the testing platform 3 is connected with the synchronous belt, since the synchronous belt driving mechanism is a prior art, it will not be described in detail here.
Still further, the drive assembly 42 comprises a self-locking type motor having two outputs, one output of the motor being connected to the gear assembly 414 and the other output being connected to the rocking handle 43. The motor is the self-locking type, and under the circumstances of testing arrangement outage, the condition that testing platform 3 can not take place to drop guarantees testing platform 3's stability. In order to avoid the dangerous situation, the test platform 3 cannot execute the lifting action when the power is cut off and the gas is cut off, the shaking handle 43 is arranged, the motor can be manually unlocked, and then the lifting of the test platform 3 is manually completed.
The motor may take the form of a double output shaft or a through shaft, with one output shaft being connected to the gear assembly 414 and the other output shaft being connected to the rocking handle 43 if the motor is a double output shaft motor. If the motor is a through shaft motor, one end of the motor shaft is connected to the gear assembly 414 and the other end is connected to the rocking handle 43.
In this embodiment, the motor is preferably a self-locking worm gear speed-reducing motor or a manually-unlocking internal contracting brake motor, and both motors have a self-locking function and can be manually unlocked, so as to improve the flexibility of the use of the testing device.
The detection component 8 is used for detecting the temperature of the smoke and the battery pack 100 and monitoring the occurrence of dangerous cases in the test process in real time, and in the embodiment, the detection component 8 comprises a smoke sensor for detecting the smoke and an infrared temperature sensor for detecting the temperature of the battery pack 100. When smoke is detected around the battery pack 100 or the temperature of the battery pack 100 is too high, the lifting unit 4 drives the test platform 3 to descend, and automatic fire fighting is performed.
Further, the detection assembly 8 is disposed above the battery pack 100, so that the installation of the detection assembly 8 is facilitated, and the detection accuracy is high.
Example two
As shown in fig. 3, the embodiment provides a lithium battery charging and discharging test device, which includes a rack 1, a test platform 3 and a lifting unit 4, wherein a fire water tank 2 is arranged below the rack 1; the testing platform 3 is used for placing the battery pack 100, the testing platform 3 is arranged above the fire water tank 2, and a detecting assembly 8 for detecting smoke and the temperature of the battery pack 100 is arranged on the testing platform 3; lifting unit 4 installs in frame 1, and lifting unit 4 can drive test platform 3 and descend to in fire water tank 2. Fire water tank 2 is placed to 3 below of test platform, detect battery package 100 high temperature or detect smog when the test at determine module 8, lifting unit 4 drive test platform 3 descends to in fire water tank 2, has realized automatic fire control, has solved the problem of artifical transport difficulty, has reduced artificial participation, has avoided the artifical discovery to cause the emergence of bigger dangerous situation untimely, and provides the safety guarantee for the safety in tester and workshop.
In this embodiment, a test cable 6 is disposed on the rack 1, and the test cable 6 is used for connecting with the battery pack 100 to perform a performance test of the battery pack 100.
Further, when a dangerous situation occurs in the testing process, the lifting unit 4 drives the testing platform 3 to descend, in order to avoid that the testing cable 6 connected with the battery pack 100 affects the normal descending of the testing platform 3, in this embodiment, a spring balancer 5 is movably installed on the rack 1, and the testing cable 6 connected with the battery pack 100 is arranged on the spring balancer 5. The position of the spring balancer 5 on the frame 1 is adjustable, so that manual wire taking connection testing is facilitated, and meanwhile, when the testing platform 3 descends, because the testing cable 6 is wound on the spring balancer 5 and has allowance, the situations such as suspension obstruction cannot occur. After the test platform 3 rises to the initial position, the test cable 6 is wound on the spring balancer 5, so that the test cable 6 is convenient to store.
Further, a slide rail 7 is installed on the frame 1, and the spring balancer 5 is slidably installed on the slide rail 7 so as to adjust the position of the spring balancer 5. The arrangement manner and the arrangement position of the slide rail 7 may be set according to the connection position of the test cable 6 and the battery pack 100 at the time of testing, and are not particularly limited herein.
Still further, the spring balancer 5 or the slide rail 7 is provided with a locking piece, after the position of the spring balancer 5 is adjusted, the locking piece is operated to lock the spring balancer 5 on the slide rail 7, so that the situation that the test cable 6 is separated from the battery pack 100 due to the fact that the spring balancer 5 moves under the action of external force during testing is avoided, and the stability of testing of the battery pack 100 is improved.
The locking member may be a latch, a buckle, etc., and is not described in detail herein because of the prior art.
In this embodiment, the top of frame 1 is equipped with mounting table surface, fire-fighting water tank 2 is placed in the mounting table surface below, the opening has been seted up on the mounting table surface, opening on the mounting table surface is just to setting up with fire-fighting water tank 2's upper portion opening, lift unit 4 installs on mounting table surface, when this testing arrangement carries out the test experiment, mounting table surface top is arranged in to test platform 3, when carrying out fire control operation, test platform 3 descends to pass in mounting table surface's opening arranges fire-fighting water tank 2 in, contain fire-fighting media such as water in the fire-fighting water tank 2, in order to put out a fire or cool down to battery package 100.
The lifting unit 4 is used for driving the testing platform 3 to ascend or descend, in this embodiment, the lifting unit 4 comprises a transmission component and a driving component 42, the testing platform 3 is connected with the transmission component, and the driving component 42 drives the transmission component to drive the testing platform 3 to ascend and descend.
Further, the drive assembly includes sprocket chain mechanism 411, and sprocket chain mechanism 411 is equipped with four groups, and every sprocket chain mechanism 411 of group all includes two sprockets and the chain of two sprockets is connected in the transmission, and test platform 3 is connected with the chain, specifically, test platform 3's platform support 31 is connected with the chain. One of the two sprockets of the two sprocket-and-chain mechanisms 411 is connected with a gear assembly 414, the two gear assemblies 414 are in transmission connection through a driving shaft 412, and one gear assembly 414 is connected with the output end of the driving assembly 42. Each chain wheel and chain mechanism 411 connected with a gear assembly 414 is correspondingly in transmission connection with the other two chain wheel and chain mechanisms 411 through a driven shaft 413. Drive assembly 42 drives rather than the sprocket chain mechanism 411 transmission of being connected, drives other three sprocket chain mechanism 411 transmissions simultaneously through driven shaft 413 and driving shaft 412, and then has realized the simultaneous transmission of four group sprocket chain mechanisms 411, has the synchronism, has improved the stability that test platform 3 goes up and down, and only adopts a drive assembly 42, has simplified the structure. Since the gear assembly 414 is formed by meshing a plurality of gears, which are not described in detail herein for the purpose of describing the prior art, the output end of the gear assembly 414 meshes with one of the gears of the sprocket chain mechanism 411 to achieve force transmission.
For the convenience of post-processing after the disappearance and the prevention, the chain can be dismantled with test platform 3 and be connected, specifically, is equipped with first connecting block on test platform 3, and first connecting block is preferred to be set up on test platform 3's platform support 31, is equipped with the second connecting block on the chain, and first connecting block passes through the bolt with the second connecting block and is connected to can realize test platform 3's quick assembly disassembly. The chain may also be connected to the testing platform 3 by a snap fit, which is not limited herein.
In other embodiments, the driving component may also be a synchronous belt driving mechanism, the driving component 42 drives a synchronous belt pulley to rotate so as to drive the synchronous belt driving mechanism, and the testing platform 3 is connected with the synchronous belt, since the synchronous belt driving mechanism is a prior art, it will not be described in detail here.
Still further, the drive assembly 42 comprises a self-locking type motor having two outputs, one output of the motor being connected to the gear assembly 414 and the other output being connected to the rocking handle 43. The motor is the self-locking type, and under the circumstances of testing arrangement outage, the condition that testing platform 3 can not take place to drop guarantees testing platform 3's stability. In order to avoid that the power-off and gas-off test platform 3 cannot execute lifting action when a dangerous case happens, the shaking handle 43 is arranged, so that the motor can be manually unlocked, and then the lifting of the test platform 3 is manually completed.
The motor may take the form of a double output shaft or a through shaft, with one output shaft being connected to the gear assembly 414 and the other output shaft being connected to the rocking handle 43 if the motor is a double output shaft motor. If the motor is a through shaft motor, one end of the motor shaft is connected to the gear assembly 414 and the other end is connected to the rocking handle 43.
In this embodiment, the motor is preferably a self-locking worm gear speed-reducing motor or a manually-unlocking internal contracting brake motor, and both motors have a self-locking function and can be manually unlocked, so as to improve the flexibility of the use of the testing device.
The detection component 8 is used for detecting the temperature of the smoke and the battery pack 100 and monitoring the occurrence of dangerous cases in the test process in real time, and in the embodiment, the detection component 8 comprises a smoke sensor for detecting the smoke and an infrared temperature sensor for detecting the temperature of the battery pack 100. When smoke is detected around the battery pack 100 or the temperature of the battery pack 100 is too high, the lifting unit 4 drives the test platform 3 to descend, and automatic fire fighting is performed.
Further, the detection assembly 8 is disposed above the battery pack 100, so that the installation of the detection assembly 8 is facilitated, and the detection accuracy is high.
EXAMPLE III
The embodiment is a further improvement of the first embodiment or the second embodiment, and on the basis of the first embodiment or the second embodiment, as shown in fig. 4, the testing platform 3 provided by the embodiment includes a platform support 31, a plurality of rollers 32 are arranged on the platform support 31 side by side, and the platform support 31 is connected with the lifting unit 4. The roller 32 arranged on the platform bracket 31 can smoothly receive the battery pack 100, so that the labor intensity of workers is reduced.
Further, the platform support 31 may further be provided with a positioning member for positioning the battery pack 100 placed on the roller 32, so as to prevent the battery pack 100 from shifting during the testing process, and to make the positions of the battery pack 100 consistent during each testing. Specifically, the positioning member may be a stopper, and after the battery pack 100 is placed on the test platform 3, the position of the stopper is adjusted to position the battery pack 100. The positioning element may have other structures, which are not described herein.
Example four
In the present embodiment, a further improvement is performed on the first embodiment, the second embodiment, or the third embodiment, as shown in fig. 5, the detecting assembly 8 provided in the present embodiment is movably disposed on the rack 1, and positions of the detecting assembly 8 in the X-axis, the Y-axis, and the Z-axis directions can be adjusted, so as to further improve accuracy of detecting smoke and temperature of the battery pack 100.
Specifically, a cross beam 91 is arranged on the machine frame 1, the cross beam 91 is arranged above the test platform 3, a first guide rail 92 is arranged on the cross beam 91 along the length direction of the cross beam 91, a first guide block 93 is arranged on the first guide rail 92 in a sliding manner, a second guide block 96 is installed on the first guide block 93, a second guide rail 95 is arranged on the first connecting plate 94, the second guide block 96 is installed on the second guide rail 95 in a sliding manner, the second guide rail 95 and the first guide rail 92 are vertically arranged in the horizontal direction, a second connecting plate 97 is connected onto the first connecting plate 94, a third guide rail 98 is arranged on the second connecting plate 97, the third guide rail 98 is perpendicular to both the first guide rail 92 and the second guide rail 95, a third guide block 99 is arranged on the third guide rail 98 in a sliding manner, and the detection assembly 8 is installed on the third guide block 99. The structure realizes the adjustment of the position of the detection component 8 in the X-axis direction, the Y-axis direction and the Z-axis direction, has a simple structure, and is convenient for adjusting the position of the detection component 8 so as to improve the temperature detection accuracy of the smoke and the battery pack 100.
Still further, driving members may be respectively connected to the first guide block 93, the second guide block 96 and the third guide block 99, and the driving members drive the first guide block 93, the second guide block 96 and the third guide block 99 to move, so as to achieve automatic adjustment of the position of the detection assembly 8, and the position accuracy of the adjustment is high. In particular, the driving member may be a screw nut structure, which is not described in detail herein due to the prior art.
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 (10)
1. The utility model provides a lithium cell measurement testing arrangement which characterized in that includes:
the fire-fighting water tank (2) is arranged below the rack (1);
the testing platform (3) is used for placing a battery pack (100), the testing platform (3) is arranged above the fire water tank (2), and a detection assembly (8) for detecting smoke and the temperature of the battery pack (100) is arranged on the testing platform (3);
the lifting unit (4) is installed on the rack (1), and the lifting unit (4) can drive the test platform (3) to descend into the fire water tank (2).
2. The lithium battery charging and discharging test device according to claim 1, wherein a spring balancer (5) is movably mounted on the frame (1), and a test cable (6) for connecting with the battery pack (100) is arranged on the spring balancer (5).
3. The lithium battery charging and discharging test device according to claim 2, wherein a slide rail (7) is installed on the frame (1), and the spring balancer (5) is slidably installed on the slide rail (7).
4. The lithium battery charging and discharging test device according to claim 1, wherein the test platform (3) comprises a platform support (31), a plurality of rollers (32) are arranged on the platform support (31) side by side, and the platform support (31) is connected with the lifting unit (4).
5. The lithium battery charge and discharge testing device according to claim 1, wherein the lifting unit (4) comprises:
the test platform (3) is connected with the transmission assembly;
and the driving component (42) drives the transmission component to drive the test platform (3) to lift.
6. The lithium battery charge and discharge testing device of claim 5, wherein the transmission assembly comprises:
the chain wheel and chain mechanism (411) is provided with four groups, each chain wheel and chain mechanism (411) comprises two chain wheels and a chain which is in transmission connection with the two chain wheels, and the test platform (3) is connected with the chain;
a driving shaft (412), wherein one of the chain wheels of the two groups of chain wheel and chain mechanisms (411) is connected with a gear assembly (414), the two gear assemblies (414) are in transmission connection through the driving shaft (412), and one gear assembly (414) is connected with the output end of the driving assembly (42);
and two driven shafts (413) are arranged, and each chain wheel chain mechanism (411) connected with the gear assembly (414) is correspondingly in transmission connection with the other two chain wheel chain mechanisms (411) through the driven shafts (413).
7. The lithium battery charging and discharging test device according to claim 6, wherein a first connecting block is arranged on the test platform (3), a second connecting block is arranged on the chain, and the first connecting block is connected with the second connecting block through a bolt.
8. The lithium battery charging and discharging test device according to claim 6, wherein the driving assembly (42) comprises a self-locking motor having two output ends, one output end of the motor is connected with the gear assembly (414), and the other output end of the motor is connected with a rocking handle (43).
9. The lithium battery charging and discharging test device of claim 8, wherein the motor is a self-locking worm gear speed reducing motor or a manually-unlockable band-type brake motor.
10. The lithium battery charging and discharging test device according to claim 1, wherein the detection assembly (8) comprises a smoke sensor for detecting smoke and an infrared temperature sensor for detecting the temperature of the battery pack (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120597066.9U CN215575558U (en) | 2021-03-24 | 2021-03-24 | Lithium battery charging and discharging testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120597066.9U CN215575558U (en) | 2021-03-24 | 2021-03-24 | Lithium battery charging and discharging testing device |
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| CN215575558U true CN215575558U (en) | 2022-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115932609A (en) * | 2023-03-15 | 2023-04-07 | 中交一公局第五工程有限公司 | Test method, device and platform for intelligent networked automobile |
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- 2021-03-24 CN CN202120597066.9U patent/CN215575558U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115932609A (en) * | 2023-03-15 | 2023-04-07 | 中交一公局第五工程有限公司 | Test method, device and platform for intelligent networked automobile |
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