CN113805079A - Battery pack charging and discharging service life detection device - Google Patents
Battery pack charging and discharging service life detection device Download PDFInfo
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- CN113805079A CN113805079A CN202110904603.4A CN202110904603A CN113805079A CN 113805079 A CN113805079 A CN 113805079A CN 202110904603 A CN202110904603 A CN 202110904603A CN 113805079 A CN113805079 A CN 113805079A
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- battery
- battery pack
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- wall
- relay
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- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 238000007600 charging Methods 0.000 title claims abstract description 44
- 238000007599 discharging Methods 0.000 title claims abstract description 33
- 239000000523 sample Substances 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/386—Arrangements for measuring battery or accumulator variables using test-loads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
Abstract
The invention relates to the technical field of battery pack detection devices, in particular to a battery pack charging and discharging life detection device which comprises a detection table, wherein the rear end part of the outer wall of the top end of the detection table is fixedly connected with a placement plate through a support plate, the outer wall of the top end of the detection table is fixedly connected with a battery fixing frame, the left end part of the detection table is provided with an AC/DC charging device, the right end part of the detection table is provided with a load discharging device, the inner wall of the left end part of the battery fixing frame is fixedly provided with a charging port, the inner wall of the right end part of the battery fixing frame is fixedly provided with a discharging port, and the center of the outer wall of the front end of the detection table is fixedly connected with a main control plate in an embedding manner.
Description
Technical Field
The invention relates to the technical field of battery pack detection devices, in particular to a battery pack charging and discharging service life detection device.
Background
The battery pack is a power supply for providing a power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts.
The existing battery pack mostly adopts a valve port sealed lead-acid storage battery, an open tubular lead-acid storage battery and a lithium iron phosphate storage battery.
The service life of the battery pack is generally expressed by the number of the charging cycle times of the battery, so in order to know the service life of the produced battery pack, related personnel can charge and discharge the battery in a circulating way through a charging and discharging device, and can know the service life of the battery pack by recording the charging and discharging cycle times of the battery, however, most of the existing battery pack charging and discharging detection devices can only detect the battery pack for high speed, but cannot detect the charging and discharging service life of the battery pack for low speed, and if the traditional mode is used for detecting the battery pack for low speed, the detection period is too long.
Therefore, it is necessary to provide a device for detecting the charge/discharge life of a battery pack.
Disclosure of Invention
Therefore, the invention provides a battery pack charging and discharging service life detection device, which can perform cycle charging and discharging on a low-speed battery pack through an AC/DC charging device and a load discharging device, a temperature detection box can detect the temperature of the battery pack during charging and discharging detection through an infrared temperature detection probe, a main control board can control the detection device and record the detected data, meanwhile, the main control board can transmit the recorded data to the cloud platform through the communication cable, the cloud platform can arrange the data transmitted by the main control board, solves the problems that most of the existing battery pack charging and discharging detection devices can only detect the high-speed battery pack and can not detect the charging and discharging service life of the low-speed battery pack, the problem of too long detection period is solved if the traditional mode is used for detecting the battery pack for low speed.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a battery package charge-discharge life-span detection device, is including examining test table, it passes through extension board fixedly connected with mounting plate to examine test table top outer wall rear end portion, it is equipped with AC/DC battery charging outfit to examine test table top outer wall fixedly connected with battery mount to examine test table top outer wall, it is equipped with load discharge apparatus to examine test table right side end portion, battery mount left side end inner wall is fixed with the mouth that charges, battery mount right side end inner wall is fixed with the mouth that discharges, it locates through the main control board of the mode fixedly connected with of inlaying to examine test table front end outer wall center.
Preferably, a communication cable interface is arranged on the detection platform, and the main control board is connected with the cloud platform through a communication cable.
Preferably, the outer wall of the left side end of the battery fixing frame is fixedly connected with a relay a, the relay a is electrically connected with a charging port, the outer wall of the right side end of the battery fixing frame is fixedly connected with a relay b, and the relay b is electrically connected with a discharging port.
Preferably, a digital current detector a is fixedly connected to the top end part of the AC/DC charging device, and the other end of the digital current detector a is electrically connected to the relay a through an electric wire.
Preferably, a digital current detector b is fixedly connected to the top end portion of the load discharge device, and the other end of the digital current detector b is electrically connected to the relay b through an electric wire.
Preferably, the digital current detector a is electrically connected with the main control board through an electrical line, and the digital current detector b is electrically connected with the main control board through an electrical line.
Preferably, place board top outer wall center fixedly connected with temperature detection case, place board bottom outer wall center fixedly connected with infrared temperature detect probe of department, the temperature detection case is connected with infrared temperature detect probe through the electric property line, infrared temperature detect probe sets up directly over the battery mount, the temperature detection case is connected with the main control board through the electric property line.
The invention has the beneficial effects that:
1. according to the invention, the battery pack for low speed can be charged and discharged circularly through the arranged AC/DC charging equipment and the load discharging equipment, the arranged temperature detection box can detect the temperature of the battery pack during charging and discharging detection through the infrared temperature detection probe, the arranged main control board can control the detection device and record the detected data, meanwhile, the main control board can transmit the recorded data to the cloud platform through the communication cable, the cloud platform can arrange the data transmitted by the main control board, and is convenient for relevant personnel to check.
2. According to the invention, the battery fixing frame can be used for clamping and fixing the low-speed battery pack to prevent the low-speed battery pack from shaking in the detection process, and the charging port and the discharging port arranged at the two side ends of the battery fixing frame can be used for conveniently charging and discharging the battery pack, so that the detection experiment of the low-speed battery pack is more convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the front view of the inspection table according to the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2A of the present invention;
fig. 4 is a schematic perspective view of a battery holder according to the present invention.
In the figure: 1. a cloud platform; 2. an AC/DC charging device; 2-1, a digital current detector a; 2-2, relay a; 3. a load discharge device; 3-1, a digital current detector b; 3-2 and a relay b; 4. a detection table; 4-1, a main control board; 5. placing a plate; 6. a temperature detection box; 6-1, an infrared temperature detection probe; 7. a battery holder; 7-1, a charging port; 7-2 and a discharge port.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to the attached drawings 1-4, the invention provides a battery pack charging and discharging life detection device, which comprises a detection table 4, wherein the rear end part of the outer wall of the top end of the detection table 4 is fixedly connected with a placement plate 5 through a support plate, the outer wall of the top end of the detection table 4 is fixedly connected with a battery fixing frame 7, the left end part of the detection table 4 is provided with an AC/DC charging device 2, the right end part of the detection table 4 is provided with a load discharging device 3, the inner wall of the left end of the battery fixing frame 7 is fixedly provided with a charging port 7-1, the inner wall of the right end of the battery fixing frame 7 is fixedly provided with a discharging port 7-2, the center of the outer wall of the front end of the detection table 4 is fixedly connected with a control plate 4-1 in an embedding manner, specifically, the battery fixing frame 7 is arranged for fixing a low-speed battery pack to be detected, the AC/DC charging device 2 is arranged for charging the battery pack, and the load discharging device 3 is arranged for discharging the battery pack, the support plate material that sets up is iron, and the shape is the rectangle, sets up the support plate and is connected for making mounting plate 5 with examine test table 4, and the mounting plate 5 shape that sets up is the rectangle, and the material is ferroalloy, and the test table 5 that sets up is for settling fixedly to the battery package through battery mount 7 to conveniently detect the battery package, and mounting plate 5 material that sets up is ferroalloy, and its shape is long plate-like, and mounting plate 5 that sets up is for fixing temperature detection case 6 and infrared temperature detection probe 6-1.
Further, a communication cable interface is arranged on the detection platform 4, the control panel 4-1 is connected with the cloud platform 1 through a communication cable, specifically, the control panel 4-1 is a numerical control computer main board which comprises a display panel, a drive board and a main control board, the display panel is used for controlling to display data so as to facilitate adjustment of a worker according to the data, the display panel is also provided with touch keys, the touch keys are arranged so as to facilitate adjustment of the worker, the main control board is also called a main board, a system board, a logic board, a mother board, a bottom board and the like, is a main part responsible for commanding and controlling work of each component and also is a main part forming a complex electronic system, the most important component on the main board is a chip set, the chip set usually consists of a north bridge and a south bridge, and is designed by a single chip microcomputer to enhance the performance, the chip sets provide a general platform for the main board to connect different devices and control communication of the different devices, the driving board is an imaging key circuit board of the display panel and is mainly used for driving the liquid crystal panel to work, if the display panel is damaged, black screen or flower screen of the display panel can be caused, the set control board 4-1 is used for recording the value detected by the battery pack and controlling a device used for detecting the battery pack, and the cloud platform 1 is a virtual platform installed on a PC and can be used for sorting and recording data transmitted by the control board 4-1, so that related personnel can conveniently check the data;
further, the outer wall of the left side end of the battery holder 7 is fixedly connected with a relay a2-2, the relay a2-2 is electrically connected with the charging port 7-1, the outer wall of the right side end of the battery holder 7 is fixedly connected with a relay b3-2, the relay b3-2 is electrically connected with the discharging port 7-2, specifically, the relay, also called relay, is an electronic control device, which has a control system (also called input loop) and a controlled system (also called output loop), and is usually applied to an automatic control circuit, the automatic switch is actually an automatic switch for controlling a larger current by using a smaller current, so that the automatic switch plays the roles of automatic regulation, safety protection, switching circuit and the like in the circuit, a relay a2-2 is arranged for controlling the AC/DC charging equipment 2 to charge the battery pack, and a relay b3-2 is arranged for controlling the load discharging equipment 3 to discharge the battery pack;
further, a digital current detector a2-1 is fixedly connected to the top end part of the AC/DC charging device 2, the other end of the digital current detector a2-1 is electrically connected with the relay a2-2 through an electric wire, and specifically, the digital current detector a2-1 is arranged to detect the magnitude of current when the AC/DC charging device 2 charges the battery pack;
further, a digital current detector b3-1 is fixedly connected to the top end of the load discharge device 3, the other end of the digital current detector b3-1 is electrically connected with the relay b3-2 through an electric wire, specifically, the digital current detector a2-1 and the digital current detector b3-1 are provided as a digital ammeter, the ammeter can detect the current in a circuit where the ammeter is located, detected data are displayed through a display panel, a worker can directly view the measured data through the display panel, and the digital current detector b3-1 is provided for detecting the current when the battery pack discharges;
further, the digital current detector a2-1 is electrically connected with the control board 4-1 through an electric wire, the digital current detector b3-1 is electrically connected with the control board 4-1 through an electric wire, specifically, the set digital current detector a2-1 can transmit current data detected when the battery is charged into the control board 4-1 through the electric wire, the control board 4-1 transmits the data into the cloud platform 1 for the relevant personnel to check, the set digital current detector b3-1 can transmit current data detected when the battery is discharged into the control board 4-1 through the electric wire, and the control board 4-1 transmits the data into the cloud platform 1 for the relevant personnel to check;
further, a temperature detection box 6 is fixedly connected to the center of the outer wall of the top end of the placement plate 5, an infrared temperature detection probe 6-1 is fixedly connected to the center of the outer wall of the bottom end of the placement plate 5, the temperature detection box 6 is connected with the infrared temperature detection probe 6-1 through an electric line, the infrared temperature detection probe 6-1 is arranged right above the battery fixing frame 7, the temperature detection box 6 is connected with the control plate 4-1 through an electric line, specifically, the arranged temperature detection box 6 is fixedly connected with the outer wall of the top end of the placement plate 5 through a rivet connection mode, the arranged temperature detection box 6 is used for supplying power to the infrared temperature detection probe 6-1 and clearing up data detected by the infrared temperature detection probe 6-1 and then transmitting the data to the control plate 4-1, and the arranged infrared temperature detection probe 6-1 utilizes radiant heat effect, the temperature of a battery pack can be measured in real time by adopting the mode, the measurement precision is high, errors can be reduced, and the data detected by the battery pack is more accurate, the temperature of the battery pack during charging and discharging detection can be detected by the arranged temperature detection box 6-1 through the infrared temperature detection probe 6-1, the detected temperature value can be transmitted to the control board 4-1 by the temperature detection box 6 through an electric line, and the data can be transmitted to the cloud platform 1 by the control board 4-1 for being checked by related personnel;
the using process of the invention is as follows: firstly, a battery pack to be detected is placed in a battery fixing frame 7, a charging port 7-1 is connected with a charging socket of the battery pack, a discharging port 7-2 is connected with a discharging socket of the battery pack, firstly, an alternating current power supply is converted into a direct current power supply through an AC/DC charging device 2, when the discharging current is 0, a control panel 4-1 controls a switch of a relay a2-2 to be closed, the battery pack is charged with 0.2C charging current, when the battery pack is charged to a certain state (just reaches a constant voltage, the battery is not fully charged), in order to further fully charge the battery without damaging the performance of the battery, the battery is converted into constant current charging, the voltage of the battery is slowly increased, when the battery pack is fully charged, the control panel 4-1 is delayed for 20 minutes, the delay is finished, a switch b3-2 is closed, and a switch of a2-2 is opened, when the discharge current of the battery pack is 0, the battery pack is delayed for 20 minutes by a control board 4-1, the battery pack is continuously charged with 0.2C charging current after the delay is finished, the cloud platform 1 can automatically record that the battery pack finishes one charge and discharge every time the battery pack finishes the discharge of the load discharge equipment 3, when the battery pack is subjected to a charge and discharge experiment, the set temperature detection box 6 can detect the temperature of the battery pack during the charge and discharge detection through an infrared temperature detection probe 6-1, and the temperature detection box 6 can convey the detected temperature value to the control board 4-1 through an electric line, the control board 4-1 transmits data to the cloud platform 1;
related personnel can monitor the circulation times, real-time voltage, real-time current and real-time temperature of the battery pack, the charge-discharge capacity curve of the battery pack in each circulation and other conditions through the cloud platform 1;
and (3) continuously carrying out a charge and discharge experiment on the battery pack by circulating the steps until the electricity storage capacity of the battery pack is less than 70% of the specified amount, wherein the charge and discharge cycle times are the service life of the battery pack.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a battery package charge-discharge life-span detection device, is including examining test table (4), examine test table (4) top outer wall rear end portion and pass through extension board fixedly connected with mounting plate (5), examine test table (4) top outer wall fixedly connected with battery mount (7), its characterized in that: detect platform (4) left side tip and be equipped with AC/DC battery charging outfit (2), it is equipped with load discharge apparatus (3) to detect platform (4) right side tip, battery mount (7) left side end inner wall is fixed with mouth (7-1) that charges, battery mount (7) right side end inner wall is fixed with discharge mouth (7-2), it has main control board (4-1) through mode fixedly connected with of inlaying to detect platform (4) front end outer wall center department.
2. The battery pack charge-discharge life detection device according to claim 1, characterized in that: the detection platform (4) is provided with a communication cable interface, and the main control board (4-1) is connected with the cloud platform (1) through a communication cable.
3. The battery pack charge-discharge life detection device according to claim 1, characterized in that: the battery charger is characterized in that a relay a (2-2) is fixedly connected to the outer wall of the left side end of the battery fixing frame (7), the relay a (2-2) is electrically connected with the charging port (7-1), a relay b (3-2) is fixedly connected to the outer wall of the right side end of the battery fixing frame (7), and the relay b (3-2) is electrically connected with the discharging port (7-2).
4. The battery pack charge-discharge life detection device according to claim 1, characterized in that: the top end part of the AC/DC charging equipment (2) is fixedly connected with a digital current detector a (2-1), and the other end of the digital current detector a (2-1) is electrically connected with a relay a (2-2) through an electric wire.
5. The battery pack charge-discharge life detection device according to claim 1, characterized in that: the top end part of the load discharge equipment (3) is fixedly connected with a digital current detector b (3-1), and the other end of the digital current detector b (3-1) is electrically connected with a relay b (3-2) through an electric wire.
6. The battery pack charge-discharge life detection device according to claim 4, wherein: the digital current detector a (2-1) is electrically connected with the main control board (4-1) through an electric line, and the digital current detector b (3-1) is electrically connected with the main control board (4-1) through an electric line.
7. The battery pack charge-discharge life detection device according to claim 1, characterized in that: fixedly connected with temperature detection case (6) is located at mounting plate (5) top outer wall center, fixedly connected with infrared temperature detection probe (6-1) is located at mounting plate (5) bottom outer wall center, temperature detection case (6) is connected with infrared temperature detection probe (6-1) through the electric property line, infrared temperature detection probe (6-1) sets up directly over battery mount (7), temperature detection case (6) is connected with main control board (4-1) through the electric property line.
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| CN202110904603.4A CN113805079A (en) | 2021-08-07 | 2021-08-07 | Battery pack charging and discharging service life detection device |
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| CN202110904603.4A CN113805079A (en) | 2021-08-07 | 2021-08-07 | Battery pack charging and discharging service life detection device |
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| CN109884539A (en) * | 2019-02-25 | 2019-06-14 | 安徽瑞达机械有限公司 | A kind of charge and discharge electric detection means of lithium battery group |
| CN209961887U (en) * | 2019-05-13 | 2020-01-17 | 湖南理工学院 | Workstation that rechargeable battery detected usefulness |
| CN211179907U (en) * | 2019-09-11 | 2020-08-04 | 四川四美科技有限公司 | Automatic control device for battery cycle test |
| CN213149189U (en) * | 2020-05-26 | 2021-05-07 | 深圳优地科技有限公司 | Battery testing board and battery testing device |
| CN213183232U (en) * | 2020-06-04 | 2021-05-11 | 天津中德应用技术大学 | Intelligent power battery module training platform for small vehicle |
| CN212572117U (en) * | 2020-06-16 | 2021-02-19 | 云南沪滇应急装备制造有限公司 | Intelligent charging and discharging device for lithium battery |
| CN112014755A (en) * | 2020-07-30 | 2020-12-01 | 南京安润朴新能源科技有限公司 | New energy automobile power storage battery service life detection device and detection method thereof |
| CN112255561A (en) * | 2020-09-01 | 2021-01-22 | 苏州众鑫凯能源科技有限公司 | Automatic cycle charging and discharging test system and test method for lithium battery pack |
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