CN115754761A - Detection device for performance of storage battery and control method thereof - Google Patents
Detection device for performance of storage battery and control method thereof Download PDFInfo
- Publication number
- CN115754761A CN115754761A CN202211434943.6A CN202211434943A CN115754761A CN 115754761 A CN115754761 A CN 115754761A CN 202211434943 A CN202211434943 A CN 202211434943A CN 115754761 A CN115754761 A CN 115754761A
- Authority
- CN
- China
- Prior art keywords
- detection
- storage battery
- battery
- storehouse
- weeping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Secondary Cells (AREA)
Abstract
The invention belongs to the technical field of storage battery detection, and particularly relates to a detection device for the performance of a storage battery and a control method thereof. According to the invention, the detection unit is used for providing a charging and discharging loop for the storage battery to be detected, the voltage is measured in the process, and the performance detection of the storage battery is finally completed according to the comparison of the duration, voltage and temperature data obtained in the process and the preset standard value.
Description
Technical Field
The invention belongs to the technical field of storage battery detection, and particularly relates to a storage battery performance detection device and a control method thereof.
Background
The storage battery is used as an energy storage device in many fields, wherein the lead-acid storage battery is not as high as the energy density of the lithium battery, but is widely applied to occasions such as a transformer substation, a power plant, an energy storage power station and the like due to low price, good safety and rich operation and maintenance experience.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the storage battery performance detection device and the control method thereof, which can quickly and conveniently detect the conditions of non-durability, capacity failure, poor carrying capacity and the like of the storage battery, and improve the efficiency and the accuracy of the storage battery performance detection.
The invention adopts the specific technical scheme that:
the utility model provides a detection apparatus for battery performance, includes the bottom plate and a plurality of detecting element that are used for detecting the battery that set up on the bottom plate, detecting element include charge circuit, discharge circuit and voltage sensor, detecting element is including detecting the storehouse, the battery is placed in detecting the storehouse, is provided with temperature sensor in the detection storehouse, it is equipped with two sets of terminals of being connected with the positive negative pole of battery respectively to detect the storehouse, the terminal is connected with detecting element's charge circuit, discharge circuit and voltage sensor electricity.
The detection storehouse be upper end open-ended box body structure, the opening side of box body is provided with sealed lid, still be provided with the airtight valve of connecting air extraction equipment on the detection storehouse.
The detection storehouse in be provided with weeping detection device, weeping detection device collects the inclined plane including setting up in the cushion and the weeping that detect the storehouse bottom, the battery supports on the inclined plane is collected to the weeping with the help of the cushion, two sets of weeping are collected the inclined plane symmetry and are set up and be Y style of calligraphy structure, two sets of weeping are collected and are provided with the weeping groove between the inclined plane, the weeping inslot is provided with two sets of weeping and detects the piece.
The liquid leakage detection sheets are of a comb-shaped structure, and the comb teeth of the two groups of liquid leakage detection sheets are arranged in a staggered mode.
The detection unit further comprises a controller, the charging loop is connected with a charger, the discharging loop is connected with a discharging resistor, and the charging loop and the discharging loop are electrically connected with a binding post of the detection bin by means of a relay controlled by a detection unit switch.
The temperature sensor is arranged on the side wall of the detection bin and is in contact with the storage battery shell.
An air pressure sensor is also arranged in the detection bin.
The terminal be connected with the cylinder of positive negative pole of battery with the help of the crocodile clip, be provided with cable seal structure between sealed lid and the detection storehouse, cable seal structure is half cylinder structure including fixing the sealing gasket strip at sealed lid and detection storehouse joint department respectively, the tube-shape inboard of sealing gasket strip is provided with the sealed edge that is horn mouth column structure.
A control method of a detection device based on the performance of a storage battery comprises the following steps:
a. placing a storage battery to be detected in a detection bin through a long lead, connecting binding posts of the detection bin with the positive and negative electrodes of the storage battery in parallel, and placing the detection bin on a bottom plate;
b. connecting a charging loop, a discharging loop and a voltage sensor with a wiring terminal of the detection bin;
c. connecting a storage battery to be tested with a discharge loop, and discharging to a test starting voltage V0;
d. disconnecting the discharging circuit, connecting the charging circuit, charging each storage battery to be tested to a full-charge voltage V1, and recording the time length T1;
e. disconnecting the charging circuit and connecting the discharging circuit, discharging each storage battery to be tested for a time length T2, and recording a terminal voltage V2;
f. and e, repeating the steps c, d and e at least twice, and comparing the obtained duration and voltage data and the temperature change value T in the charge-discharge cycle measured by the temperature sensor with a preset standard value to finish the performance detection of the storage battery.
The invention has the beneficial effects that:
the invention carries out short-time charging and discharging tests on the storage battery to be tested through the detection unit and the like, measures parameters such as voltage, current, temperature and the like in the process, compares the data such as duration, voltage, current, temperature and the like obtained in the process with a preset standard value, and finally completes the performance detection of the storage battery.
Drawings
FIG. 1 is a schematic diagram of the principles of the present invention;
FIG. 2 is a schematic view of a detecting unit;
FIG. 3 is a schematic structural diagram of a detection chamber;
FIG. 4 is a schematic diagram of a side view of a detection chamber;
FIG. 5 is a schematic structural diagram of the leakage detection device;
in the attached drawing, the device comprises a base plate 1, a bottom plate 2, a charging loop 3, a discharging loop 4, a voltage sensor 5, a detection bin 6, a temperature sensor 7, a binding post 8, a sealing cover 9, an airtight valve 10, a leakage liquid collecting inclined plane 11, a leakage liquid groove 12, a leakage liquid detection sheet 13 and a sealing gasket strip.
Detailed Description
The invention is further described with reference to the following figures and specific examples:
the invention relates to a device for detecting the performance of a storage battery, which comprises a bottom plate 1 and a plurality of detection units arranged on the bottom plate 1 and used for detecting the storage battery, wherein each detection unit comprises a charging loop 2, a discharging loop 3 and a voltage sensor 4, each detection unit comprises a detection bin 5, the storage battery is placed in the detection bin 5, a temperature sensor 6 is arranged in the detection bin 5, the detection bin 5 is provided with two groups of binding posts 7 respectively connected with the anode and the cathode of the storage battery, and the binding posts 7 are electrically connected with the charging loop 2, the discharging loop 3 and the voltage sensor 4 of the detection units.
When the device is used, the storage battery to be tested is placed into the detection bin 5 through the long lead, the binding posts 7 of the detection bin 5 are connected with the anode and the cathode of the storage battery to be tested in parallel through electric connection, the storage battery is detected through the temperature sensor 6 in the detection bin 5, the temperature sensor is electrically connected with the controller, the temperature change condition of the storage battery in the testing process is collected, and reference basis is provided for effective and stable operation of the storage battery.
Further, as shown in fig. 3 and 4, the detection chamber 5 is a box structure with an open upper end, a sealing cover 8 is disposed on the open side of the box, and an airtight valve 9 connected with an air extraction device is further disposed on the detection chamber 5.
As shown in fig. 4, the right side of the detection bin 5 in the figure is provided with an airtight valve 9, after the storage battery is placed in the detection bin 5, a person covers and closes a sealing cover 8, the detection bin 5 is pumped to a negative pressure slightly lower than the atmospheric pressure through the airtight valve 9, the airtight valve 9 is a one-way valve, gas is possibly generated during the charging and using process of the lead-acid storage battery and is discharged through a self-closing valve on the storage battery, the exhaust amount can be quantitatively tested through the detection bin 5, and the residual pressure in the detection bin 5 is measured after the detection, so that whether the storage battery exhausts or not and the exhaust amount is qualitatively determined, and a basis is provided for judging the performance of the storage battery.
As shown in fig. 4, the detection bin 5 is provided with a leakage detection device, the leakage detection device includes a cushion block and a leakage collection inclined plane 10 arranged at the bottom of the detection bin 5, the storage battery is supported on the leakage collection inclined plane 10 by the cushion block, two sets of leakage collection inclined planes 10 are symmetrically arranged and are in a Y-shaped structure, a leakage groove 11 is arranged between the two sets of leakage collection inclined planes 10, and two sets of leakage detection plates 12 are arranged in the leakage groove 11.
To the condition that there is crack defect or electrode position weeping in the battery case, it is difficult to find through visual observation at present, through taking out detection storehouse 5 for the negative pressure that is slightly less than atmospheric pressure, help strengthening the flaw weeping process that probably exists, if there is the electrolyte seepage, collect inclined plane 10 through the weeping, even the electrolyte that drips is less, also can cover certain length in the cell body under the capillary phenomenon effect of constrictive weeping groove 11, make electrolyte switch on two sets of weeping detection pieces 12 short circuit, to the detection of the break-make state of two sets of weeping detection pieces 12, can judge whether there is the weeping electrolyte to drip, thereby can normally use the judgement for the battery and provide the basis, be convenient for accomplish battery performance test.
The liquid leakage detection sheets 12 are comb-shaped, and the comb teeth of the two groups of liquid leakage detection sheets 12 are arranged in a staggered manner.
As shown in fig. 5, the leaked liquid detection pieces 12 are arranged in a staggered manner, so that the contacts between the two sets are close to each other, and even a small amount of leaked electrolyte can conduct the leaked electrolyte, thereby improving the detection sensitivity.
The detection unit further comprises a controller, the charging loop 2 is connected with a charger, the discharging loop is connected with a discharging resistor, and the charging loop 2 and the discharging loop 3 are electrically connected with a binding post 7 of the detection bin 5 through a relay controlled by a detection unit switch.
The controller is controlled by the PLC, has strong driving capability, can drive the on-off connection of the relay, and improves the control capability of the detection device through the controlled on-off of the relay.
Further, the temperature sensor 6 is disposed on a side wall of the detection chamber 5 and contacts the battery case. By placing the temperature sensor 6 and the storage battery to be tested nearby, the temperature change of the storage battery in the test can be captured in time.
And in the using state, including the charging and discharging processes, the maximum amplitude of the temperature rise of the storage battery in the detection process at the room temperature state is not more than 20 ℃, and the storage battery is judged to be qualified in the performance judgment in the temperature aspect.
Further, an air pressure sensor is also arranged in the detection bin 5.
Pressure in the detection bin 5 is measured through the pressure sensor, when the storage battery to be detected in the detection bin 5 is tested, especially during charging, gas release may exist, the pressure change condition can be measured through the airtight detection bin 5 combined with the pressure sensor, and the gas emission condition reflects the states of the storage battery electrode and the electrolyte to a certain extent, so that the comprehensiveness of performance testing is ensured.
Further, terminal 7 be connected with the cylinder of battery positive negative pole with the help of the crocodile clip, sealed lid 8 and detect and be provided with cable seal structure between the storehouse 5, cable seal structure is including fixing respectively sealed lid 8 and the sealing gasket strip 13 that detects 5 joint line departments in storehouse, sealing gasket strip 13 is half cylinder column structure, and sealing gasket strip 13's tube-shape inboard is provided with the sealed edge that is horn mouth column structure.
As shown in fig. 4, through the crocodile clamp centre gripping on the cylinder of battery positive negative pole, accomplish the electric connection of the battery that awaits measuring and terminal 7, be convenient for connect the check out test set such as charging circuit 2, discharging circuit 3 and voltage sensor 4 through terminal 7, the sealed edge that the tube-shape inboard of sealing gasket strip 13 set up is after sealed lid 8 and detection storehouse 5 lock, contact each other and form sealedly, guarantee the leakproofness when detecting discrete single battery, when detecting reserve power supply equipment such as transformer substation, power plant, energy storage power station, because reserve power supply equipment's battery can't off-line detection as the stand-by energy, consequently use long lead wire to insert reserve power supply equipment with the battery in advance, when detecting, borrow the help lead wire to take out the battery from reserve power supply equipment, such as the direct current screen, put into the detection storehouse, through the sealed edge of sealing gasket strip 13 lock to long lead wire centre gripping seal, thereby detect smoothly.
The control method of the detection device based on the storage battery performance comprises the following steps:
a. the storage battery to be tested is placed in the detection bin 5 through the long lead, the binding post 7 of the detection bin 5 is connected with the positive electrode and the negative electrode of the storage battery in parallel, the detection bin 5 is placed on the bottom plate 1, the step of disassembling and assembling the storage battery is omitted, and labor intensity is reduced;
b. connecting the charging loop 2, the discharging loop 3 and the voltage sensor 4 with a binding post 7 of the detection bin 5;
c. connecting the storage battery to be tested with the discharging loop 3, and discharging to the test starting voltage V0;
d. disconnecting the discharging circuit 3, connecting the charging circuit 2, charging each storage battery to be tested to a full-charge voltage V1, and recording the time length T1;
e. disconnecting the charging loop 2, connecting the discharging loop 3, discharging each storage battery to be tested for a time length T2, and recording a terminal voltage V2;
f. and (e) repeating the steps c, d and e at least twice, and comparing the obtained time length, voltage and current data and the temperature change value T in the charge-discharge cycle measured by the temperature sensor 6 with a preset standard value to finish the performance detection of the storage battery.
In the step b, after the voltage sensor 4 is connected in place, the original voltage of the storage battery to be detected is measured in advance and recorded, after the whole detection process is finished, the charging and discharging adjustment is carried out on the voltage through the charging loop 2 and the discharging loop 3, so that the voltage of the storage battery to be detected is recovered to the original voltage value, the voltage balance of the selective detection storage battery and other storage batteries is ensured, and meanwhile, after the connection is completed in the step b, the detection bin 5 is pumped to the negative pressure through the air pump.
C, standardizing the charging starting points of the batteries to be tested, comparing the charging time when the batteries reach full charge with the charging standard time interval of the model batteries, when the charging time falls into the standard time interval, the charging performance meets the requirement, discharging in the step e, after the discharging time is reached, comparing the residual voltage of the storage battery with the standard residual voltage measured by a large number of experiments of the model batteries, and when the residual voltage falls into the standard residual voltage interval, the discharging performance meets the requirement, thereby judging the performance of the charging and discharging performance of the storage battery.
In the step c, taking a 12V valve-controlled lead-acid storage battery as an example, when the full-voltage is 12.9V, the voltage is adjusted to 12.7V and reduced by 0.2V through discharging, the purpose is to reduce the voltage drop and avoid the power shortage of the storage battery, if the direct-current screen is connected with power supply during detection, the normal power supply use of the storage battery is not influenced, meanwhile, because the voltage drop is small, the charging and discharging time is shortened, and the problems that the check discharge test period is long and the empty window period is large are solved.
In the testing process, the leakage and air pressure change conditions in the detection bin 5 are simultaneously detected through the leakage detection device and the air pressure sensor, if the valve control sealed lead-acid storage can generate gas in use, the air exhaust condition of the airtight valve can be detected through the air pressure change, and the temperature change is detected through the temperature sensor 6, so that the sealing state and the internal working state of the storage battery shell are tested to a certain degree, the performance detection of the storage battery is sufficient and perfect, and the testing quality is ensured.
Claims (9)
1. The utility model provides a detection apparatus for battery performance, includes bottom plate (1) and a plurality of detecting element that are used for detecting the battery that set up on bottom plate (1), detecting element include charge circuit (2), discharge circuit (3) and voltage sensor (4), its characterized in that: the detection unit is including detecting storehouse (5), the battery is placed in detecting storehouse (5), is provided with temperature sensor (6) in detecting storehouse (5), it is equipped with two sets of terminal (7) of being connected with the positive negative pole of battery respectively to detect storehouse (5), terminal (7) are connected with detection unit's charge circuit (2), discharge circuit (3) and voltage sensor (4) electricity.
2. The battery performance detection apparatus according to claim 1, wherein: the detection storehouse (5) be upper end open-ended box body structure, the opening side of box body is provided with sealed lid (8), still be provided with airtight valve (9) of connecting air extraction equipment on the detection storehouse (5).
3. The battery performance detection apparatus according to claim 1, wherein: detect storehouse (5) in be provided with weeping detection device, weeping detection device collects inclined plane (10) including setting up in the cushion and the weeping that detect storehouse (5) bottom, the battery supports on weeping collection inclined plane (10) with the help of the cushion, and two sets of weeping are collected inclined plane (10) symmetry and are Y style of calligraphy structure, and two sets of weeping are collected and are provided with weeping groove (11) between inclined plane (10), be provided with two sets of weeping in weeping groove (11) and detect piece (12).
4. The battery performance detection apparatus according to claim 3, wherein: the liquid leakage detection sheets (12) are of a comb-shaped structure, and comb teeth of the two groups of liquid leakage detection sheets (12) are arranged in a staggered mode.
5. The battery performance detection apparatus according to claim 1, wherein: the detection unit further comprises a controller, the charging loop (2) is connected with a charger, the discharging loop is connected with a discharging resistor, and the charging loop (2) and the discharging loop (3) are electrically connected with a binding post (7) of the detection bin (5) through a relay controlled by a detection unit switch.
6. The battery performance detection apparatus according to claim 1, wherein: the temperature sensor (6) is arranged on the side wall of the detection bin (5) and is in contact with the storage battery shell.
7. The battery performance detection apparatus according to claim 1, wherein: an air pressure sensor is also arranged in the detection bin (5).
8. The battery performance detection apparatus according to claim 1, wherein: terminal (7) be connected with the cylinder of positive negative pole of battery with the help of the crocodile clamp, be provided with cable seal structure between sealed lid (8) and detection storehouse (5), cable seal structure is including fixing sealing gasket strip (13) in sealed lid (8) and detection storehouse (5) joint department respectively, sealing gasket strip (13) are half cylinder column structure, the tube-shape inboard of sealing gasket strip (13) is provided with the sealed edge that is horn mouth column structure.
9. A control method of a storage battery performance detection apparatus according to claim 1, characterized in that: the method comprises the following steps:
a. placing a storage battery to be detected in the detection bin (5), connecting binding posts (7) of the detection bin (5) with the positive and negative electrodes of the storage battery, and placing the detection bin (5) on the bottom plate (1);
b. connecting the charging loop (2), the discharging loop (3) and the voltage sensor (4) with a binding post (7) of the detection bin (5);
c. connecting the storage battery to be tested with a discharge loop (3) and discharging to a test starting voltage V0;
d. disconnecting the discharging loop (3), connecting the charging loop (2), charging each storage battery to be tested to a full-charge voltage V1, and recording the time length T1;
e. disconnecting the charging circuit (2), connecting the discharging circuit (3), discharging each storage battery to be tested for a time length T2, and recording a final voltage V2;
f. and repeating the steps c, d and e at least twice, and comparing the obtained duration and voltage data and the temperature change value T in the charge-discharge cycle measured by the temperature sensor (6) with a preset standard value to finish the performance detection of the storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211434943.6A CN115754761A (en) | 2022-11-16 | 2022-11-16 | Detection device for performance of storage battery and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211434943.6A CN115754761A (en) | 2022-11-16 | 2022-11-16 | Detection device for performance of storage battery and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115754761A true CN115754761A (en) | 2023-03-07 |
Family
ID=85372962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211434943.6A Pending CN115754761A (en) | 2022-11-16 | 2022-11-16 | Detection device for performance of storage battery and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115754761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116400245A (en) * | 2023-05-15 | 2023-07-07 | 长兴太湖能谷科技有限公司 | Lithium battery operation health monitoring analysis system |
-
2022
- 2022-11-16 CN CN202211434943.6A patent/CN115754761A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116400245A (en) * | 2023-05-15 | 2023-07-07 | 长兴太湖能谷科技有限公司 | Lithium battery operation health monitoring analysis system |
| CN116400245B (en) * | 2023-05-15 | 2024-04-16 | 长兴太湖能谷科技有限公司 | Lithium battery operation health monitoring analysis system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106816661B (en) | A kind of secondary use selection method of retired lithium-ion-power cell | |
| CN107102041B (en) | Laminated three-electrode electrolytic tank for electrochemical test of in-situ lithium battery | |
| CN115754761A (en) | Detection device for performance of storage battery and control method thereof | |
| WO2017024411A1 (en) | Methods and systems for determining battery charge or formation completeness | |
| JP4887581B2 (en) | Battery inspection method and inspection apparatus | |
| CN104091972B (en) | The method that the device of detection battery pole plates electrode potential and judgement fall behind electrode | |
| CN107039694A (en) | A kind of observation device and method of electrodes of lithium-ion batteries electrochemical reaction process | |
| CN108919131A (en) | The detection determination method of battery micro-short circuit | |
| CN209570681U (en) | Ladder uses dynamic lithium battery identification system | |
| CN206906306U (en) | A kind of electrode electrolyser of laminated type three for lithium battery test chemical in situ | |
| CN107884720B (en) | Detection method and detection device for battery module missing welding detection | |
| CN117269283A (en) | Method and equipment for detecting water content of battery cell | |
| CN107589378A (en) | A kind of battery equalisation device and method | |
| CN108923084B (en) | Method for testing current distribution of polar plate of polar group | |
| CN203299352U (en) | Cell insulation detection device | |
| CN109444746A (en) | Measure the method that battery carries out internal current size when lancing test | |
| Shi et al. | Nondestructive forensic pathology of lead-acid batteries | |
| CN211741515U (en) | Device for detecting sulfation degree of valve-controlled lead-acid battery pole plate | |
| CN111812538A (en) | Power battery evaluation system | |
| CN107831389B (en) | 0V charging function test method and circuit | |
| CN214750410U (en) | Automatic aging machine single aging clamp voltage automatic monitoring device | |
| JPH05109436A (en) | Method of detecting liquid leaking from battery | |
| CN104078715A (en) | Device for detecting electrode potential of electrode plate of battery | |
| CN217466573U (en) | Device for lead storage battery gassing test | |
| CN115015791A (en) | Evaluation device and evaluation method for service life loss of storage battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |