CN217238326U

CN217238326U - Series-parallel connection device for power battery test

Info

Publication number: CN217238326U
Application number: CN202123422346.5U
Authority: CN
Inventors: 王萍; 王斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-19
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a series-parallel connection device for testing a power battery, which relates to the field of testing of power batteries and comprises a workbench, wherein a parallel connection mechanism is arranged at the upper end of the workbench near one side, a series connection mechanism is arranged at the upper end of the workbench near the other side, a control module is arranged at the upper end of the workbench near the corner of one side, the parallel connection mechanism comprises a first battery jar, a first positive plate is arranged on the inner side wall of the first battery jar, a first negative plate is arranged on the other side wall of the first battery jar, a first wiring groove is arranged at the upper end of the workbench and between the two first positive plates, and a second wiring groove is arranged at the upper end of the workbench and between the two first negative plates; this series-parallel connection device for power battery test can be convenient for the staff to detect the performance under battery series connection and the parallel state, can be spacing to the battery to make its fine setting avoid taking place to become flexible in three insides of battery jar.

Description

Series-parallel connection device for power battery test

Technical Field

The application relates to the field of power battery testing, in particular to a series-parallel connection device for power battery testing.

Background

The power battery is a power supply for providing a power source for tools, and is mainly different from a starting battery for starting an automobile engine, and a valve port sealed lead-acid battery, an open tubular lead-acid battery and a lithium iron phosphate battery are adopted.

Most of common power battery testing devices in the market are inconvenient to detect the performance of batteries in series and parallel states, and batteries arranged in battery tanks are easy to loosen.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the present application provides a series-parallel connection device for testing a power battery.

The application provides a series-parallel connection device for testing of power battery adopts following technical scheme:

the utility model provides a series-parallel connection device for power battery test, includes the workstation, the workstation upper end is close to one side position and is provided with parallel mechanism, the workstation upper end is close to opposite side position and is provided with serial mechanisms, the workstation upper end is close to one side position corner position and is provided with control module.

Further, parallel mechanism includes battery jar one, a battery jar inside wall is provided with positive plate one, another lateral wall of battery jar is provided with negative plate one, the workstation upper end just is located position between two sets of positive plate one and has seted up wiring groove one, the workstation upper end just is located position between two sets of negative plate one and has seted up wiring groove two, the workstation upper end just is located battery jar one-to-one position and has seted up two sets of wiring grooves three, the workstation upper end just is located three other positions in wiring groove and has seted up wiring groove four, the workstation upper end just is located wiring groove four sides and is provided with motor one along the position, be provided with tacho sensor one on the output shaft of motor one.

Further, wiring groove one and two inside connecting wires that all are provided with in wiring groove one, it is two sets of positive plate one is through a connecting wire electric connection, and is two sets of negative plate one is through a connecting wire electric connection, and is two sets of three inside connecting wires that all are provided with in wiring groove two, two one ends of two sets of connecting wires are connected with positive plate one and negative plate one respectively, and its other end all is connected with motor one.

Further, the series connection mechanism comprises a second battery jar and a third battery jar, the series connection jar is arranged on the workbench and located between the second battery jar and the third battery jar, the second battery jar and the third inner side wall of the battery jar are provided with a second positive plate, and the second battery jar and the third side wall of the battery jar are provided with a second negative plate.

Further, the baffle is inserted and is equipped with near top position to two inside walls of battery jar and three inside walls of battery jar, the activity groove has all been seted up to two inside walls of battery jar and three inside walls of battery jar and the position that is located the baffle below, the activity groove inside wall all is provided with the telescopic link near corner position, the telescopic link other end all is provided with the limiting plate, wire casing one has been seted up to the workstation upper end.

Furthermore, the upper end of the workbench is positioned at one side of the battery jar, a second wire groove is formed in the position, close to the second wire groove, of the upper end of the workbench, and a second motor is arranged on the position, close to the second wire groove, of the upper end of the workbench, and a second rotating speed sensor is arranged on an output shaft of the second motor.

Further, the inside series connection line that is provided with of series connection groove, and the series connection line both ends are connected with positive plate two and negative plate two respectively, wire groove one and wire groove two inside all are provided with the wire, and the one end of two sets of wires is connected with positive plate two and negative plate two respectively, and its other end is connected with motor two.

To sum up, this application includes following beneficial technological effect:

(1) the two groups of positive plates I and the two groups of negative plates are connected together through a first connecting wire arranged in a first connecting wire groove and a second connecting wire groove, the first positive plates I and the first negative plates I are electrically connected with the first motor through a third connecting wire groove and a fourth connecting wire groove, the two groups of batteries and the first motor can be arranged in parallel through the operation, the first motor is started through a control module, the two groups of batteries provide electric quantity for the first motor to rotate, then a rotating speed sensor detects the rotating speed of the first motor for a moment so as to obtain the performance of the two groups of batteries after being connected in parallel, the second positive plates and the second negative plates are connected together through a series connection wire arranged in a series connection groove, the second positive plates in the third battery groove and the second negative plates in the second battery groove are electrically connected with the second motor through wires, and at the moment, the two groups of batteries and the second motor are connected together in series connection, then, a second motor is started through the control module, the two groups of batteries supply electric quantity to the second motor to enable the second motor to rotate, and then a second rotating speed sensor detects the rotating speed of the second motor, so that the performance of the two groups of batteries after being connected in series is obtained, and therefore workers can conveniently detect the performance of the batteries in the series and parallel states;

(2) the battery is placed respectively in battery jar two and battery jar three insides, the anodal and the negative pole of battery contact with two and negative plate two respectively with positive plate two, the battery can extrude it to two inside walls of battery jar when contacting with the baffle, after the battery removes to two inside battery jars, the elasticity of spring one pops out the baffle to the battery upper end position spacing to it, the spring two-way stretch out the limiting plate from the activity inslot portion release simultaneously, it is spacing to the battery, thereby make its fine setting avoid taking place to become flexible in three inside battery jars.

Drawings

Fig. 1 is a schematic overall structure diagram of a series-parallel connection device for testing a power battery according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a workbench and a parallel mechanism of a series-parallel connection device for testing power batteries according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a workbench and a serial-parallel mechanism of a serial-parallel connection device for testing a power battery according to an embodiment of the present disclosure;

fig. 4 is an enlarged view of a point a in fig. 1 of a series-parallel connection apparatus for testing a power battery according to an embodiment of the present disclosure.

Description of reference numerals: 1. a work table; 2. a parallel mechanism; 3. a first battery jar; 4. a first positive plate; 5. a first negative plate; 6. a first wiring groove; 7. a second wiring groove; 8. a third wiring groove; 9. a wiring groove IV; 10. a first motor; 11. a first rotating speed sensor; 12. a series mechanism; 13. a second battery jar; 14. a third battery jar; 15. a series tank; 16. a second positive plate; 17. a baffle plate; 18. a movable groove; 19. a telescopic rod; 20. a limiting plate; 21. a first wire groove; 22. a second wire groove; 23. a second motor; 24. a second rotating speed sensor; 25. a negative plate II; 26. and a control module.

Detailed Description

Example 1

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a series-parallel connection device for power battery test, includes workstation 1, and workstation 1 upper end is close to one side position and is provided with parallel mechanism 2, and workstation 1 upper end is close to another side position and is provided with serial mechanism 12, and workstation 1 upper end is close to one side position corner position and is provided with control module 26.

Referring to fig. 2, the parallel mechanism 2 includes a first battery jar 3, a first positive plate 4 is disposed on an inner side wall of the first battery jar 3, a first negative plate 5 is disposed on another side wall of the first battery jar 3, a first wiring groove 6 is disposed at a position between two first positive plates 4 at an upper end of the workbench 1, a second wiring groove 7 is disposed at a position between two first negative plates 5 at an upper end of the workbench 1, a third wiring groove 8 is disposed at a position at one side of the first battery jar 3 at an upper end of the workbench 1, a fourth wiring groove 9 is disposed at a position at the other end of the third wiring groove 8 at an upper end of the workbench 1, a first motor 10 is disposed at a position at an edge of the fourth wiring groove 9 at an upper end of the workbench 1, and a first rotational speed sensor 11 is disposed on an output shaft of the first motor 10.

The first wiring groove 6 and the second wiring groove 7 are internally provided with a first connecting wire, the first two sets of positive plates are electrically connected through a first connecting wire, the first two sets of negative plates are electrically connected through a first connecting wire, the second two sets of wiring grooves are internally provided with a second connecting wire, one ends of the two sets of connecting wires are respectively connected with the first positive plates and the first negative plates, and the other ends of the two sets of connecting wires are connected with the first motor 10.

When using, the staff places battery jar 3 insidely with the battery, and make the anodal of battery and positive plate 4 contact, the negative pole of battery and negative plate 5 contact, then link together two sets of positive plate 4 and two sets of negative plate 5 through the inside connecting wire that sets up of wiring groove 6 and wiring groove two 7, then the connecting wire two-way wiring groove three 8 and wiring groove four 9 with positive plate 4 and negative plate 5 and motor 10 electric connection, can be in the same place two sets of batteries and the parallelly connected setting of motor 10 through above-mentioned operation, then through control module 26 start motor 10, two sets of batteries make its rotation for motor 10 provides the electric quantity, then rotational speed sensor 11 can detect the rotational speed of motor 10, thereby learn the performance after two sets of batteries are parallelly connected.

Example 2

Referring to fig. 3-4, the present invention provides a technical solution: the utility model provides a power battery test is with connection in series-parallel device, serial devices 12 includes battery jar two 13 and battery jar three 14, and the position has seted up series connection groove 15 on the workstation 1 and is located between battery jar two 13 and the battery jar three 14, and battery jar two 13 and battery jar three 14 inside walls all are provided with positive plate two 16, and battery jar two 13 and battery jar three 14 another side wall all are provided with negative plate two 25.

Two inside walls of two 13 and three 14 battery jars are close to the top position and all are inserted and are equipped with baffle 17, two 13 and three 14 inside walls of battery jars just are located baffle 17 below position and have all seted up movable groove 18, the movable groove 18 inside wall is close to corner position and all is provided with telescopic link 19, the telescopic link 19 other end all is provided with limiting plate 20, wire casing one 21 has been seted up to 1 upper end of workstation, 1 upper end of workstation just is located three 14 one side positions of battery jars and has seted up wire casing two 22, 1 upper end of workstation just is close to wire casing two 22 positions and is provided with two 23 motors, be provided with two 24 rotational speed sensor on the output shaft of two 23 motors.

The inside serial connection line that is provided with of series connection groove 15, and the serial connection line both ends are connected with two 16 and the two 25 negative plate of positive plate respectively, and the inside wire that all is provided with of wire groove one 21 and wire groove two 22, and the one end of two sets of wires is connected with two 16 and the two 25 negative plate of positive plate respectively, and its other end is connected with two 23 motors.

Specifically, a first spring is arranged between the baffle 17 and the workbench 1, a second spring is wound on the surface of the telescopic rod 19, a battery of a worker is respectively placed inside the second battery groove 13 and the third battery groove 14, the positive electrode and the negative electrode of the battery are respectively contacted with the second positive electrode plate 16 and the second negative electrode plate 25, the battery is extruded into the inner side wall of the second battery groove 13 when being contacted with the baffle 17, after the battery moves into the second battery groove 13, the baffle 17 is ejected to the upper end position of the battery by the elastic force of the first spring to limit the battery, meanwhile, the second spring pushes the limiting plate 20 out of the movable groove 18 through the telescopic rod 19 to limit the battery, so that the battery is well arranged inside the third battery groove 14 to avoid loosening, the second positive electrode plate 16 and the second negative electrode plate 25 are connected together through a serial line arranged inside the serial groove 15, and the second positive electrode plate 16 inside the third battery groove 14 and the second negative electrode plate 25 inside the second battery groove 13 are electrically connected with the second motor 23 through conducting wires, at the moment, the two groups of batteries are connected with the second motor 23 in a series connection mode, then the second motor 23 is started through the control module 26, the two groups of batteries provide electric quantity for the second motor 23 to enable the second motor 23 to rotate, then the second rotating speed sensor 24 detects the rotating speed of the second motor 23, and therefore the performance of the two groups of batteries after being connected in series is obtained.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a series-parallel connection device for power battery test, includes workstation (1), its characterized in that, workstation (1) upper end is close to one side position and is provided with parallel mechanism (2), workstation (1) upper end is close to the other side position and is provided with serial mechanisms (12), workstation (1) upper end is close to one side position corner position and is provided with control module (26).

2. The series-parallel connection device for the power battery test according to claim 1, wherein: the parallel mechanism (2) comprises a first battery jar (3), a first positive plate (4) is arranged on the inner side wall of the first battery jar (3), the other side wall of the battery jar I (3) is provided with a negative plate I (5), a wiring groove I (6) is arranged at the upper end of the workbench (1) and between the two groups of positive plates I (4), a second wiring groove (7) is arranged at the upper end of the workbench (1) and between the first negative plates (5), two groups of wiring grooves III (8) are arranged at the upper end of the workbench (1) and at one side of the battery groove I (3), a wiring groove IV (9) is arranged at the upper end of the workbench (1) and the other end of the wiring groove III (8), a first motor (10) is arranged at the upper end of the workbench (1) and at the edge of the wiring groove four (9), and a first rotating speed sensor (11) is arranged on an output shaft of the first motor (10).

3. The series-parallel connection device for the power battery test according to claim 2, wherein: the first wiring groove (6) and the second wiring groove (7) are internally provided with a first connecting wire, the first positive plate (4) is electrically connected through the first connecting wire, the first negative plate (5) is electrically connected through the first connecting wire, the second wiring groove (8) is internally provided with a second connecting wire, one ends of the two connecting wires are respectively connected with the first positive plate (4) and the first negative plate (5), and the other end of the two connecting wires is connected with the first motor (10).

4. The series-parallel connection device for the power battery test according to claim 1, wherein: the series mechanism (12) comprises a second battery jar (13) and a third battery jar (14), a series groove (15) is formed in the position, located between the second battery jar (13) and the third battery jar (14), of the workbench (1), the inner side walls of the second battery jar (13) and the third battery jar (14) are provided with a second positive plate (16), and the other side walls of the second battery jar (13) and the third battery jar (14) are provided with a second negative plate (25).

5. The series-parallel connection device for the power battery test according to claim 4, wherein: two inside walls of battery jar two (13) and battery jar three (14) are close to the top position and all are inserted and are equipped with baffle (17), activity groove (18) have all been seted up to two inside walls of battery jar (13) and battery jar three (14) and lie in baffle (17) below position, activity groove (18) inside wall is close to corner position and all is provided with telescopic link (19), telescopic link (19) other end all is provided with limiting plate (20), wire casing (21) have been seted up to workstation (1) upper end.

6. The series-parallel connection device for the power battery test according to claim 5, wherein: the device is characterized in that a second wire groove (22) is formed in the upper end of the workbench (1) and located on one side of the third battery groove (14), a second motor (23) is arranged at the upper end of the workbench (1) and close to the second wire groove (22), and a second rotating speed sensor (24) is arranged on an output shaft of the second motor (23).

7. The series-parallel connection device for the power battery test according to claim 5, wherein: the series connection groove (15) is internally provided with a series connection line, two ends of the series connection line are respectively connected with the second positive plate (16) and the second negative plate (25), the first wire groove (21) and the second wire groove (22) are internally provided with wires, one ends of the two groups of wires are respectively connected with the second positive plate (16) and the second negative plate (25), and the other ends of the two groups of wires are connected with the second motor (23).