CN109270471B - Portable power battery rapid detection device and system - Google Patents
Portable power battery rapid detection device and system Download PDFInfo
- Publication number
- CN109270471B CN109270471B CN201811429297.8A CN201811429297A CN109270471B CN 109270471 B CN109270471 B CN 109270471B CN 201811429297 A CN201811429297 A CN 201811429297A CN 109270471 B CN109270471 B CN 109270471B
- Authority
- CN
- China
- Prior art keywords
- detection device
- module
- shell
- detection
- power battery
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 100
- 230000001939 inductive effect Effects 0.000 claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 14
- 230000036541 health Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000013210 evaluation model Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003862 health status Effects 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Secondary Cells (AREA)
Abstract
The invention discloses a portable power battery rapid detection device and a system, the detection device comprises a shell, the shell comprises a shell with an opening, a cover plate which can be matched and covered at the opening of the shell, the detection device further comprises a detection circuit which is arranged in an inner cavity of the shell, the detection circuit comprises a fuse, a contactor, a silicon controlled rectifier and a current sensor which are sequentially connected in series, the detection circuit further comprises a load resistor which is connected between the silicon controlled rectifier and the current sensor after a plurality of non-inductive resistors are connected in parallel, the shell is provided with an anode port and a cathode port which are used for being connected with two ends of the power battery, and two ends of the detection circuit are respectively electrically connected with the anode port and the cathode port, and the detection device further comprises a voltage transformer I and a voltage transformer II. The detection device is simple in structure, convenient to carry and convenient to operate, and the detection system is high in detection speed and suitable for field inspection.
Description
Technical Field
The invention relates to the technical field of battery equipment, in particular to a portable rapid detection device for a power battery.
Background
At present, after long-time use and charging and discharging processes, power batteries used in new energy automobiles, electric vehicles and other devices often cause gradual attenuation of energy stored in the power batteries, and when the service life of the batteries reaches the end, early warning information is usually sent to prompt a user to replace the batteries. In order to prevent the environmental pollution problem caused by directly discarding the power batteries, the power batteries are generally recycled in a recycling mode. The service life, the electrical performance and other characteristics of the batteries are judged in the recovery process, and the batteries are classified and graded, and the service life and the electrical performance of the batteries are usually judged by testing in a charging and discharging mode in a laboratory at present. How to solve the above technical problems is a matter to be solved by the person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a portable power battery rapid detection device which is small in size and convenient to carry, and can rapidly detect and judge the health state of a power battery to be detected.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a portable power battery short-term test device for detect power battery's health status, detection device includes the shell, the shell includes that have open casing and can the complex lid close the apron of the uncovered department of casing, detection device is still including installing detection circuitry in the inner chamber of casing, detection circuitry includes fuse, contactor, silicon controlled rectifier, the current sensor that establish ties in proper order, detection circuitry still includes by a plurality of non-inductive resistor parallelly connected back access the silicon controlled rectifier with load resistance between the current sensor, the fuse with the contactor silicon controlled rectifier and current sensor arranges in the coplanar, non-inductive resistor is not in the fuse the contactor silicon controlled rectifier reaches in the plane that the current sensor constitutes, set up on the casing be used for with the positive electrode port and the negative electrode port that are connected with power battery's both ends, detection circuitry's both ends respectively with positive electrode port the parallel connection of a plurality of non-inductive resistor access with load resistance between the current sensor, the voltage sensor I and the both ends of voltage sensor I and II are connected through the voltage transformer I the input mutual inductance device.
Preferably, the detection device further comprises a data acquisition module which is arranged in the shell and used for acquiring voltage and current information, the data acquisition module comprises a voltage acquisition module and a current acquisition module, the voltage acquisition module is respectively in communication connection with the voltage transformer I and the voltage transformer II, and the current acquisition module is in communication connection with the current sensor.
Still preferably, the detection device further comprises a power module, a communication module, a display module and a storage module, wherein the power module is arranged in the shell and is used for supplying power to the detection circuit, the data acquisition module, the communication module, the display module and the storage module, the storage module is in communication connection with the data acquisition module and the display module through the communication module, and the storage module is used for storing voltage and current information acquired by the data acquisition module and transmitting the voltage and current information to the display module.
Further, the display module is a display screen mounted on the housing.
Preferably, the detection device further comprises a sealing porcelain bushing mounted in the housing for mounting the non-inductive resistor.
Preferably, a heat sink is mounted on at least one of the upper and lower sides of the non-inductive resistor.
Preferably, the fuse, the contactor, the silicon controlled rectifier and the current sensor are all sleeved with insulating sleeves.
Preferably, a layer of insulating material is attached to the inner side wall of the housing.
Preferably, a sudden stop button is mounted on the shell, and the sudden stop button is electrically connected with the detection circuit.
Another object of the present invention is to provide a detection system, where the detection system includes the above detection device, a data processing terminal, and a communication bus, where the detection device is connected to two ends of a power battery to be detected through a connection line, and the detection device is connected to the data processing terminal through the communication bus in a communication manner.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the detection device, the detection circuit is arranged in the shell, the detection circuit is formed by sequentially connecting the fuse, the contactor, the silicon controlled rectifier and the current sensor in series, meanwhile, the adopted load resistor is formed by connecting a plurality of non-inductive resistors in parallel and then connecting the silicon controlled rectifier and the current sensor, and the load resistor is formed by connecting the plurality of non-inductive resistors in parallel, so that the detection device can adjust the load of the internal detection circuit in real time according to the voltage at two sides of a detected battery, and meanwhile, the non-inductive resistor plays a role in buffering the whole detection circuit and cannot damage other components in a loop; by adopting the voltage transformer I and the voltage transformer II, the self-checking of the internal circuit of the device is realized while the voltage of the external power battery is detected; the detection circuit adopts a simple connection mode, and loads resistors and other components are arranged in different planes, so that the shell volume of the detection device can be small, the detection circuit is convenient for operators to carry, and meanwhile, mutual interference among the components is avoided; when the detection device is used for detection, the whole loop is simple, the voltage of the power battery can be rapidly detected, the detection data are stored, the performance parameters of the battery required by a user can be calculated after the PC is connected subsequently, the detection speed of the detection device is high, and the detection time is not longer than 15 seconds each time. The detection system of the invention obtains basic parameters such as battery voltage, impedance and the like by adopting a multi-pulse method through the detection device, transmits the information to the data processing terminal through the communication bus, and analyzes and calculates the information by the data processing terminal to obtain the capacity of the power battery to be detected so as to judge the health state of the power battery, thereby having convenient operation, being capable of directly completing the detection on site without damaging the power battery and having quick data processing.
Drawings
FIG. 1 is a block diagram of a detection system according to the present invention;
FIG. 2 is a schematic structural diagram of a detecting device according to the present invention;
FIG. 3 is a block diagram of a detection circuit in the detection device according to the present invention;
FIG. 4 is a block diagram of the interior of a housing of the detection device according to the present invention;
wherein: 100. a power battery; 101. a detection device; 102. a communication bus; 103. a data processing terminal;
1. a housing; 2. a detection circuit; 3. a data acquisition module; 4. a power module; 5. a communication module; 6. a display module; 7. a storage module;
11. a housing; 12. a cover plate; 13. an anode port; 14. a negative electrode port; 21. A fuse; 22. a contactor; 23. a silicon controlled rectifier; 24. a current sensor; 25. a load resistor; 26. a voltage transformer I; 27. and a voltage transformer II.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and specific embodiments.
A portable power battery rapid detection device 101 is used for detecting the health state of a power battery 100. The power battery 100 detected here mainly refers to a lithium iron phosphate battery, a ternary battery, a lithium titanate battery, a lithium manganate battery, and a lithium cobaltate battery.
The detection device 101 comprises a housing 1, see fig. 2, the housing 1 comprising a casing 11 with an opening and a cover plate 12 capable of being fitted over the opening of the casing 11, the detection device 101 further comprising a detection circuit 2 mounted in an inner cavity of the casing 11. The detection circuit 2 comprises a fuse 21, a contactor 22, a silicon controlled rectifier 23 and a current sensor 24 which are sequentially connected in series, and the detection circuit 2 also comprises a load resistor 25 which is connected between the silicon controlled rectifier 23 and the current sensor 24 after a plurality of non-inductive resistors are connected in parallel, wherein the fuse 21, the contactor 22, the silicon controlled rectifier 23 and the current sensor 24 are arranged in the same plane, the non-inductive resistors are not arranged in the plane, and the whole system is integrated by the arrangement mode, so that the space utilization rate of the shell 11 is improved, the shell 1 can be made very small and is convenient to carry, and meanwhile, the non-inductive resistors and other components are arranged in layers, so that electromagnetic interference between the non-inductive resistors and other components is effectively reduced. By providing a plurality of non-inductive resistors connected in parallel, the detection circuit 2 in the detection device 101 can adjust the load in the circuit in real time according to the detected voltage across the power battery 100 during the detection process. The thyristor 23 is added on the basis of setting the fuse 21 in the whole circuit, so that the fuse 21 is prevented from being fused at the moment of circuit disconnection in the detection process.
In this example, the housing 11 is further provided with a positive electrode port 13 and a negative electrode port 14 for connecting with both ends of the power battery 100, and both ends of the detection circuit 2 are electrically connected with the positive electrode port 13 and the negative electrode port 14, respectively, as shown in fig. 2. The detection device 101 further comprises a voltage transformer I26 and a voltage transformer II 27, the voltage transformer I26 is connected in parallel to two ends of the detection circuit 2, two ends of the voltage transformer II 27 are respectively connected with the input end of the load resistor 25 and the output end of the current sensor 24 through connecting wires, and the voltage of two sides of the power battery 100 outside the detection device 101 is detected while the voltage of the internal circuit of the device is detected through the two voltage transformers, so that the internal condition of the device is concerned in real time, and the safety of the device in the use process is ensured.
The detection device 101 further includes a data acquisition module 3 installed in the housing 11 and used for acquiring voltage and current information, as shown in fig. 4, where the data acquisition module 3 includes a voltage acquisition module and a current acquisition module (not shown in the figure), the voltage acquisition module is respectively in communication connection with the voltage transformer i 26 and the voltage transformer ii 27, and the current acquisition module is in communication connection with the current sensor 24.
Here, the detecting device 101 further includes a power module 4, a communication module 5, a display module 6, and a storage module 7 mounted in the housing 11, as shown in fig. 4. The power module 4 is used for supplying power to the detection circuit 2, the data acquisition module 3, the communication module 5, the display module 6 and the storage module 7, the storage module 7 is in communication connection with the data acquisition module 3 and the display module 6 through the communication module 5, and the storage module 7 is used for storing voltage and current information acquired by the data acquisition module 3 and transmitting the voltage and current information to the display module 6. Here, the display module 6 is a display screen mounted on the housing 1, as shown in fig. 2.
In this example, the detecting device 101 further includes a sealing porcelain bushing (not shown) installed in the housing 11 for installing a non-inductive resistor, and electromagnetic interference can be prevented by installing the non-inductive resistor in the sealing porcelain bushing.
Here, a heat sink (not shown) is installed on at least one of the upper and lower surfaces of the non-inductive resistor, and by providing the heat sink, a fan is not required to be additionally installed in the housing 11, thereby reducing the space occupation, and further making the housing 1 as small as possible for personnel to carry while ensuring the operation safety of the detecting device 101.
In order to prevent mutual electromagnetic interference between the components, insulating sleeves (not shown) are respectively sleeved outside the fuse 21, the contactor 22, the silicon controlled rectifier 23 and the current sensor 24. A layer of insulating material is also attached to the inner side wall of the housing 11. In this example, a sudden stop button is also mounted on the housing 11, and is connected in communication with the detection circuit 2.
In this example, a portable rapid detection system is provided, as shown in fig. 1, the system includes a detection device 101, a data processing terminal 103, and a communication bus 102, where the detection device 101 is connected to two ends of a power battery 100 to be detected through a connection line, the detection device 101 is connected to the data processing terminal 103 through the communication bus 102 in a communication manner, and the stored voltage and current information is transmitted to the data processing terminal 103 through the communication bus 102, and is analyzed and checked by analysis software in the data processing terminal 103 to obtain a capacity value of the power battery 100 required by us. The data processing terminal 103 is a PC, the whole detection system is simple in structure and suitable for on-site detection, the power battery 100 is not required to be brought back to a laboratory for charge and discharge experiments, the detection time is greatly saved, and the power battery 100 is not damaged.
According to the detection system, according to the difference of electrochemical impedance of the power battery 100, the basic parameters such as voltage, impedance and the like of the power battery 100 are obtained by adopting a multi-pulse test method, the test time is short and is not more than 15 seconds/time, and then the power battery 100 health state evaluation model constructed by the data processing terminal 103 is analyzed to realize rapid and nondestructive classification and grading of the power battery 100. The detection device 101 has the advantages of small volume, convenient carrying, convenient operation and high test speed, realizes the on-site detection of operators, and has strong practicability and high economic benefit.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (8)
1. The portable power battery rapid detection device is used for detecting the health state of a power battery and is characterized by comprising a shell, wherein the shell comprises a shell with an opening, a cover plate which can be matched and covered at the opening of the shell, the detection device also comprises a detection circuit which is arranged in an inner cavity of the shell, the detection circuit comprises a fuse, a contactor, a silicon controlled rectifier and a current sensor which are sequentially connected in series, the detection circuit also comprises a load resistor which is connected between the silicon controlled rectifier and the current sensor after a plurality of non-inductive resistors are connected in parallel, the fuse, the contactor, the silicon controlled rectifier and the current sensor are arranged in the same plane, the non-inductive resistor is not arranged in the plane formed by the fuse, the contactor, the silicon controlled rectifier and the current sensor, the detection device comprises a shell, and is characterized in that a positive port and a negative port which are used for being connected with two ends of the power battery are formed in the shell, two ends of a detection circuit are respectively and electrically connected with the positive port and the negative port, the detection device further comprises a voltage transformer I and a voltage transformer II, the voltage transformer I is connected with two ends of the detection circuit in parallel, two ends of the voltage transformer II are respectively connected with an input end of a load resistor and an output end of a current sensor through connecting wires, the detection device further comprises a data acquisition module which is arranged in the shell and used for acquiring voltage and current information, and a sealing porcelain sleeve which is arranged in the shell and used for being provided with a non-inductive resistor, wherein the data acquisition module comprises a voltage acquisition module and a current acquisition module, and the voltage acquisition module is respectively connected with the voltage transformer I, the voltage transformer II is in communication connection, and the current acquisition module is in communication connection with the current sensor.
2. The detection device according to claim 1, further comprising a power module, a communication module, a display module and a storage module, wherein the power module is arranged in the housing, the power module is used for supplying power to the detection circuit, the data acquisition module, the communication module, the display module and the storage module, the storage module is in communication connection with the data acquisition module and the display module through the communication module, and the storage module is used for storing voltage and current information acquired by the data acquisition module and transmitting the voltage and current information to the display module.
3. The detection apparatus according to claim 2, wherein the display module is a display screen mounted on the housing.
4. The detecting device for detecting the rotation of a motor rotor as claimed in claim 1, wherein at least one of the upper and lower sides of the non-inductive resistor is provided with a heat sink.
5. The detecting device according to claim 1, wherein an insulating sleeve is provided outside the fuse, the contactor, the thyristor, and the current sensor.
6. The device of claim 1, wherein a layer of insulating material is attached to an inner sidewall of the housing.
7. The test device of claim 1, wherein a scram button is mounted to the housing, the scram button being electrically connected to the test circuit.
8. A portable power battery rapid detection system, characterized in that the detection system comprises a detection device as claimed in any one of claims 1 to 7, a data processing terminal and a communication bus, wherein the detection device is connected with two ends of a power battery to be detected through a connecting wire, and the detection device is in communication connection with the data processing terminal through the communication bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429297.8A CN109270471B (en) | 2018-11-27 | 2018-11-27 | Portable power battery rapid detection device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429297.8A CN109270471B (en) | 2018-11-27 | 2018-11-27 | Portable power battery rapid detection device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109270471A CN109270471A (en) | 2019-01-25 |
| CN109270471B true CN109270471B (en) | 2024-03-26 |
Family
ID=65186067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811429297.8A Active CN109270471B (en) | 2018-11-27 | 2018-11-27 | Portable power battery rapid detection device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109270471B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058174A (en) * | 2019-04-30 | 2019-07-26 | 重庆长安新能源汽车科技有限公司 | Battery capacity test system and method under whole vehicle state |
| CN110988710A (en) * | 2019-11-28 | 2020-04-10 | 国网河北省电力有限公司电力科学研究院 | Storage battery validity online judging device and checking method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0952653A2 (en) * | 1998-04-22 | 1999-10-27 | Siemens Aktiengesellschaft | Failure protection for protective switching device |
| JP2008076339A (en) * | 2006-09-25 | 2008-04-03 | Sanyo Electric Co Ltd | Power supply of for vehicle |
| CN103383434A (en) * | 2013-07-18 | 2013-11-06 | 广东福德电子有限公司 | Intelligent load resistance box |
| CN207730875U (en) * | 2018-01-30 | 2018-08-14 | 西安热工研究院有限公司 | A kind of wind-driven generator winding insulation failure detector |
| CN209182465U (en) * | 2018-11-27 | 2019-07-30 | 张家港清研检测技术有限公司 | A kind of portable power battery device for fast detecting and system |
-
2018
- 2018-11-27 CN CN201811429297.8A patent/CN109270471B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0952653A2 (en) * | 1998-04-22 | 1999-10-27 | Siemens Aktiengesellschaft | Failure protection for protective switching device |
| JP2008076339A (en) * | 2006-09-25 | 2008-04-03 | Sanyo Electric Co Ltd | Power supply of for vehicle |
| CN103383434A (en) * | 2013-07-18 | 2013-11-06 | 广东福德电子有限公司 | Intelligent load resistance box |
| CN207730875U (en) * | 2018-01-30 | 2018-08-14 | 西安热工研究院有限公司 | A kind of wind-driven generator winding insulation failure detector |
| CN209182465U (en) * | 2018-11-27 | 2019-07-30 | 张家港清研检测技术有限公司 | A kind of portable power battery device for fast detecting and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109270471A (en) | 2019-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101923091B1 (en) | Battery | |
| WO2023010798A1 (en) | Battery cell, battery module, battery pack and electric vehicle | |
| CN105393401B (en) | Testing agency | |
| CN201247302Y (en) | Apparatus for measuring polar of isonym end of current mutual inductor or transformer | |
| CN109270471B (en) | Portable power battery rapid detection device and system | |
| CN106159356B (en) | A kind of battery and electronic equipment | |
| KR20150084532A (en) | Apparatus and method for measuring insulation resistance | |
| JP2003045500A (en) | Method and device for inspecting battery | |
| CN107210405B (en) | Method for monitoring a state variable of at least one battery cell of a battery | |
| CN209182465U (en) | A kind of portable power battery device for fast detecting and system | |
| KR102160646B1 (en) | The crack detecting method for protection circuit module type of Li ion battery | |
| CN107589378A (en) | A kind of battery equalisation device and method | |
| CN204967337U (en) | Lithium ion power batteries's control circuit that charges | |
| CN103744029B (en) | A kind of evaluation method based on internal resistance measurement cell residual capacity | |
| CN105467215A (en) | AC impedance testing method of battery and battery group | |
| CN207588476U (en) | Battery control device and system | |
| CN206541010U (en) | A kind of lithium battery protection board | |
| CN112332480A (en) | Distribution network storage battery pack online monitoring device | |
| CN206618798U (en) | Battery current impacts automatic testing equipment | |
| CN204741052U (en) | Lithium ion battery voltage dynamic verification of group and accent weighing apparatus device | |
| CN219065720U (en) | Testing device of battery management system | |
| CN216956293U (en) | Power battery detection device | |
| CN221124828U (en) | Current testing device of battery pack | |
| CN107947274A (en) | Dynamic lithium battery group based on adaptive management and control of charging | |
| CN220753535U (en) | Battery sampling device and battery module |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |