CN220553229U - Series-parallel connection function experiment box for batteries of electric vehicle - Google Patents
Series-parallel connection function experiment box for batteries of electric vehicle Download PDFInfo
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- CN220553229U CN220553229U CN202322174352.6U CN202322174352U CN220553229U CN 220553229 U CN220553229 U CN 220553229U CN 202322174352 U CN202322174352 U CN 202322174352U CN 220553229 U CN220553229 U CN 220553229U
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- battery
- iron phosphate
- lithium iron
- mounting plate
- lithium
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- 238000002474 experimental method Methods 0.000 title claims abstract description 46
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 60
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000005955 Ferric phosphate Substances 0.000 claims abstract description 8
- 229940032958 ferric phosphate Drugs 0.000 claims abstract description 8
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims abstract description 8
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims abstract description 8
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 48
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 238000004088 simulation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses an electric automobile battery serial-parallel connection function experiment box, which belongs to the technical field of experiment teaching equipment and comprises a box body and a box cover, wherein the box body is provided with a mounting plate for mounting components, the components comprise a ternary lithium battery pack, a ferric phosphate lithium battery pack, a first load module and a second load module, and a plurality of voltmeters and ampere meters are arranged on the mounting plate.
Description
Technical Field
The utility model discloses an electric automobile battery serial-parallel connection function experiment box, and belongs to the technical field of experiment teaching equipment.
Background
The electrical experiment aims to increase the connection with the actual life, and the application and thinking ability of students are focused on and cultured according to the new course concept of 'from life to physical and from physical to society', so that the students can learn in familiar, intimate and pleasant environments. The physics is a subject based on experiments, and making experiments is equivalent to obtaining a powerful guarantee for achieving good results.
At present, most of experiments on the series-parallel characteristics of the batteries of the electric automobile adopt experiment tables for experimental teaching, each laboratory of the experiment tables can only be configured with about ten, 3-5 people often share one experiment table during experiments, the experimental effect is poor, and the experimental operation of each person is difficult to objectively evaluate.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
The utility model aims to solve the problems and provide the electric automobile battery serial-parallel connection function experiment box which has good use convenience and is suitable for experimental teaching under various conditions.
The utility model realizes the purpose through the following technical scheme, the lithium iron phosphate battery pack comprises a battery seat and a plurality of lithium iron phosphate batteries, positive and negative electrode binding posts are arranged on the battery seat corresponding to each lithium iron phosphate battery, the first load module comprises a low-voltage load group of the lithium iron phosphate battery and a high-voltage load group of the lithium iron phosphate battery, the second load module comprises a low-voltage load group of the lithium iron phosphate battery and a high-voltage load group of the lithium iron phosphate battery, and a plurality of voltage meters and current meters are arranged on the mounting plate corresponding to the three-voltage battery, the lithium iron phosphate battery, the first load module and the second load module.
By adopting the technical proposal, the design of the experiment box structure enables the structure to be more compact, reduces the whole occupied volume, enables a learner to use one experiment box by one person, improves the experiment effect and the learning efficiency, changes the connection mode of the ternary lithium battery group by connecting or not connecting the parallel battery group when the learner learns the characteristics of the ternary lithium battery, connects the ternary lithium battery low-voltage load group or the ternary lithium battery high-voltage load group according to the experiment requirement, according to the ammeter and the voltmeter, experimental data can be obtained, the characteristics of the ternary lithium batteries under different series-parallel connection under the same load and the characteristics of the ternary lithium batteries under the same series-parallel connection under different loads are achieved, when a learner needs to learn the characteristics of the lithium iron phosphate battery, the series-parallel connection relation of the lithium iron phosphate battery pack can be changed by changing positive and negative terminal posts, and then the experimental data can be used for carrying out experiments by being connected with the low-voltage load pack of the lithium iron phosphate battery or the high-voltage load pack of the lithium iron phosphate battery.
Preferably, the mounting plate is provided with a ternary lithium battery charging module, the ternary lithium battery charging module is provided with a fast charging interface and a slow charging interface, and the mounting plate is provided with a charge and discharge mode selection switch for controlling the ternary lithium battery pack.
Through adopting above-mentioned technical scheme, ternary lithium battery charging module, fast towards the setting of interface and slow charge interface, make the learner can learn ternary lithium battery characteristic under the different charge state, charge and discharge mode selection switch can convenient control ternary lithium battery group's charge and discharge mode, improves the convenience of use.
Preferably, the mounting plate is provided with a lithium iron phosphate battery charging module, and the mounting plate is provided with a charging and discharging mode selection switch blade for controlling the lithium iron phosphate battery pack.
Through adopting above-mentioned technical scheme, lithium iron phosphate battery charging module makes the learner study lithium iron phosphate battery charging characteristics, and the mode of charge and discharge that can convenient control lithium iron phosphate group battery through the mode selection knife that charges and discharges simultaneously has improved the convenience that the experimental box used simultaneously in the flexibility that improves experimental box experiment.
Preferably, the mounting plate is provided with positive and negative electrode interfaces corresponding to each component, and the positive and negative electrode interfaces are connected with the components from the lower side of the mounting plate through wires.
Through adopting above-mentioned technical scheme, the structure of positive negative pole interface reduces the wire quantity of mounting panel upside, makes its wiring succinct more clear, improves learner's learning efficiency.
Preferably, the low-voltage load group of the ternary lithium battery, the high-voltage load group of the ternary lithium battery, the low-voltage load group of the ferric phosphate lithium battery and the high-voltage load group of the ferric phosphate lithium battery are all provided with bulbs.
Through adopting above-mentioned technical scheme, the setting of bulb, when reminding the circuit intercommunication condition, can simulate the condition of electric automobile load, conveniently carry out relevant experimental study.
Preferably, the mounting plate is provided with a heating and temperature sensor, a thermal management control module and a cooling fan.
By adopting the technical scheme, the heating and temperature sensor, the thermal management control module and the cooling fan can manage the temperature of the battery pack under the condition of simulating winter, and the authenticity of the experiment box experiment is improved.
Preferably, a battery characteristic schematic is provided inside the case cover.
Through adopting above-mentioned technical scheme, can look over and understand the theory of operation and the characteristic of group battery conveniently, improve the teaching effect of experiment.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, the experimental box has a compact structure, can conveniently install and assemble various battery components and load modules of the electric automobile, improves experimental efficiency and convenience, can replace connection relations among components, achieves simulation experiments under different states, and effectively improves universality and use flexibility of the experimental box;
secondly, through the arrangement of the charge-discharge mode selection switch and the charge-discharge mode selection switch, the ternary lithium battery pack and the ferric phosphate lithium battery pack are simpler and more convenient to switch between a charge mode and a discharge mode, and the convenience of using the experimental box is improved;
thirdly, the arrangement of the heating and temperature sensor, the thermal management control module and the cooling fan can simulate the preheating of the electromagnetic group when the electromagnetic group is used in winter, and the cooling and heat dissipation when the temperature is too high, so that the reality of the simulation experiment of the experiment box is improved, and the study and understanding of a learner are facilitated;
fourth, the inboard battery characteristic schematic diagram that is provided with of case lid can help the experimenter to understand the theory of operation and the characteristic of group battery better, has improved the teaching effect and the study effect of experiment.
Drawings
Fig. 1 is a top view of an electric vehicle battery serial-parallel connection function experiment box.
Reference numerals: 1. a case; 2. a case cover; 3. a mounting plate; 4. a series battery; 5. a parallel battery pack; 6. a battery holder; 7. positive and negative binding posts; 8. a ternary lithium battery low voltage load group; 9. a ternary lithium battery high voltage load group; 10. a lithium iron phosphate battery low-voltage load group; 11. a lithium iron phosphate battery high-voltage load group; 12. a voltmeter; 13. an ammeter; 14. a ternary lithium battery charging module; 15. a charge-discharge mode selection switch; 16. a lithium iron phosphate battery charging module; 17. a charge-discharge mode selection blade; 18. positive and negative interfaces; 19. heating and temperature sensors; 20. a thermal management control module; 21. and a cooling fan.
Detailed Description
In the following description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an electric automobile battery series-parallel connection function experiment case, as shown in figure 1, including box 1 and case lid 2, box 1 is provided with mounting panel 3 that is used for installing components and parts, components and parts are including ternary lithium cell group, lithium iron phosphate group, first load module and second load module, ternary lithium cell group is including establishing ties group 4 and parallelly connected group 5, lithium iron phosphate group is including battery holder 6 and a plurality of lithium iron phosphate battery, be provided with positive negative terminal 7 on the battery holder 6 for every lithium iron phosphate battery, first load module is including ternary lithium battery low voltage load group 8 and ternary lithium iron phosphate battery high voltage load group 9, the second load module is including lithium iron phosphate battery low voltage load group 10 and lithium iron phosphate battery high voltage load group 11, corresponding ternary lithium cell group on the mounting panel 3, lithium iron phosphate group, first load module and second load module are provided with a plurality of voltmeters 12 and ammeter 13, the design of the structure of the experiment box makes the structure more compact, reduces the whole occupied volume, enables a learner to use one experiment box independently to improve the experiment effect and the learning efficiency, changes the connection mode of the ternary lithium battery pack by connecting or not connecting the parallel battery pack 5 when the learner learns the characteristics of the ternary lithium battery, obtains the experiment data by connecting the ternary lithium battery low-voltage load pack 8 or the ternary lithium battery high-voltage load pack 9 according to the experiment requirement and according to the ammeter 13 and the voltmeter 12, achieves the characteristics of the ternary lithium battery under different series-parallel connection under the same experiment load and the characteristics of the ternary lithium battery under the same series-parallel connection under different load, and can change the series-parallel connection relation of the lithium iron phosphate battery pack by changing the positive and negative electrode binding posts 7 when the learner wants to learn the characteristics of the lithium iron phosphate battery, and then the test can be carried out by connecting with the lithium iron phosphate battery low-voltage load group 10 or the lithium iron phosphate battery high-voltage load group 11.
The mounting panel 3 is provided with ternary lithium battery charging module 14, ternary lithium battery charging module 14 is provided with quick towards the interface and slowly fills the interface, mounting panel 3 is provided with the charge-discharge mode selection switch 15 of control ternary lithium battery group, ternary lithium battery charging module 14, quick towards the interface and slowly fill the setting up of interface and make the learner can learn the ternary lithium battery characteristic under the different charge states, be provided with lithium iron phosphate battery charging module 16 on the mounting panel 3, mounting panel 3 is provided with the charge-discharge mode selection switch 17 of control lithium iron phosphate group, lithium iron phosphate battery charging module 16 makes the learner can learn lithium iron phosphate battery charging characteristic, simultaneously through charge-discharge mode selection switch 15 and charge-discharge mode selection switch 17 can convenient control ternary lithium battery group and lithium iron phosphate group's charge-discharge mode, the convenience of experiment box use has been improved when improving the flexibility of experiment box experiment.
The positive and negative interfaces 18 are arranged on the mounting plate 3 corresponding to each component, the positive and negative interfaces 18 are connected with the components from the lower side of the mounting plate 3 through wires, the number of wires on the upper side of the mounting plate 3 is reduced through the structure of the positive and negative interfaces 18, wiring is made to be more concise and clear, learning efficiency of learners is improved, the ternary lithium battery low-voltage load group 8, the ternary lithium battery high-voltage load group 9, the ferric phosphate lithium battery low-voltage load group 10 and the ferric phosphate lithium battery high-voltage load group 11 are all provided with bulbs, the bulbs are arranged, the condition of electric automobile load can be simulated when the condition of circuit communication is reminded, relevant experimental study is conveniently carried out, the heating and temperature sensor 19, the thermal management control module 20 and the cooling fan 21 are arranged on the mounting plate 3, temperature management can be carried out on the battery pack under the condition of simulation winter, authenticity of experiment box experiments is improved, the working principle and characteristics of the battery pack can be conveniently checked and understood, and teaching effect is improved.
When the experimental box is used for teaching the discharge characteristics of the ternary lithium battery, the ternary lithium battery pack and the first load module are connected through the lead according to a control variable method, the situation that the ternary lithium battery outputs current and voltage under different conditions can be intuitively observed according to the connected voltmeter 12 and ammeter 13 under different connection relations or different load conditions, when the battery characteristics of the ternary lithium battery under the fast charge and slow charge conditions are required to be tested, the ternary lithium battery pack and the ternary lithium battery charging module 14 are connected, the charge and discharge mode selection switch 15 is selected to be in a charge mode, the battery voltage and current conditions under the corresponding modes can be obtained through the ammeter 13 and the voltmeter 12, meanwhile, the connection relation of the battery pack can be changed through adjusting the connection relation of the positive electrode terminal 7 and the negative electrode terminal 7 when the lithium battery discharge characteristics are required to be taught, the characteristics of the lithium battery pack and the second load module can be intuitively known under the discharge state through the ammeter 13 and the voltmeter 12, when the charge characteristics of the lithium battery are required to be tested, the charge and discharge mode selection switch 17 is connected to the lithium battery through the lead 21, and the heat conduction fan can be conveniently cooled down, and the teaching effect can be achieved through the heat exchanger-induced battery cooling device, and the teaching device can be well controlled in winter, and the teaching effect can be realized.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides an electric automobile battery series-parallel connection function experiment case, includes box (1) and case lid (2), its characterized in that: the lithium iron phosphate battery pack comprises a battery seat (6) and a plurality of lithium iron phosphate batteries, positive and negative electrode binding posts (7) are arranged on the battery seat (6) corresponding to each lithium iron phosphate battery, the first load module comprises a lithium iron phosphate battery low-voltage load group (8) and a lithium iron phosphate battery high-voltage load group (9), the second load module comprises a lithium iron phosphate battery low-voltage load group (10) and a lithium iron phosphate battery high-voltage load group (11), and a plurality of voltmeters (12) and ammeter (13) are arranged on the mounting plate (3) corresponding to the lithium iron phosphate battery low-voltage load group, the first load module and the second load module.
2. The electric automobile battery serial-parallel connection function experiment box according to claim 1, wherein: the mounting plate (3) is provided with ternary lithium battery charging module (14), ternary lithium battery charging module (14) are provided with fast towards the interface and slowly fill the interface, mounting plate (3) are provided with charge-discharge mode selection switch (15) of control ternary lithium battery group.
3. The electric automobile battery serial-parallel connection function experiment box according to claim 1, wherein: the lithium iron phosphate battery charging device is characterized in that a lithium iron phosphate battery charging module (16) is arranged on the mounting plate (3), and a charging and discharging mode selection switch blade (17) for controlling the lithium iron phosphate battery pack is arranged on the mounting plate (3).
4. The electric automobile battery serial-parallel connection function experiment box according to claim 1, wherein: the mounting plate (3) is provided with positive and negative interfaces (18) corresponding to each component, and the positive and negative interfaces (18) are connected with the components from the lower side of the mounting plate (3) through wires.
5. The electric automobile battery serial-parallel connection function experiment box according to claim 1, wherein: the three-element lithium battery low-voltage load group (8), the three-element lithium battery high-voltage load group (9), the ferric phosphate lithium battery low-voltage load group (10) and the ferric phosphate lithium battery high-voltage load group (11) are all provided with bulbs.
6. The electric automobile battery serial-parallel connection function experiment box according to claim 1, wherein: the mounting plate (3) is provided with a heating and temperature sensor (19), a thermal management control module (20) and a cooling fan (21).
7. The electric automobile battery serial-parallel connection function experiment box according to claim 1, wherein: the battery characteristic schematic diagram is arranged on the inner side of the box cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174352.6U CN220553229U (en) | 2023-08-12 | 2023-08-12 | Series-parallel connection function experiment box for batteries of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174352.6U CN220553229U (en) | 2023-08-12 | 2023-08-12 | Series-parallel connection function experiment box for batteries of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN220553229U true CN220553229U (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322174352.6U Active CN220553229U (en) | 2023-08-12 | 2023-08-12 | Series-parallel connection function experiment box for batteries of electric vehicle |
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| CN (1) | CN220553229U (en) |
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2023
- 2023-08-12 CN CN202322174352.6U patent/CN220553229U/en active Active
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