CN215768929U - Hybrid energy storage battery state monitoring system - Google Patents

Hybrid energy storage battery state monitoring system Download PDF

Info

Publication number
CN215768929U
CN215768929U CN202121402440.1U CN202121402440U CN215768929U CN 215768929 U CN215768929 U CN 215768929U CN 202121402440 U CN202121402440 U CN 202121402440U CN 215768929 U CN215768929 U CN 215768929U
Authority
CN
China
Prior art keywords
battery
bragg grating
fiber bragg
port
monitoring module
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
Application number
CN202121402440.1U
Other languages
Chinese (zh)
Inventor
高妍
宁垚戬
靳宝全
王宇
张红娟
刘昕
白清
王鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyuan University of Technology
Original Assignee
Taiyuan University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taiyuan University of Technology filed Critical Taiyuan University of Technology
Priority to CN202121402440.1U priority Critical patent/CN215768929U/en
Application granted granted Critical
Publication of CN215768929U publication Critical patent/CN215768929U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Secondary Cells (AREA)

Abstract

The utility model discloses a hybrid energy storage battery state monitoring system, belonging to the technical field of battery state monitoring systems; the technical problem to be solved is as follows: the improvement of the hardware structure of the hybrid energy storage battery state monitoring system is provided; the technical scheme for solving the technical problems is as follows: the battery comprises a plurality of groups of batteries, wherein each battery is provided with a fiber bragg grating temperature sensor, a single battery monitoring module and a fiber bragg grating strain sensor, the fiber bragg grating temperature sensors are respectively arranged on the positive electrode of the battery, the negative electrode of the battery and the outer surface of the battery, the single battery monitoring module is arranged on the outer surface of the battery, each single battery monitoring module is provided with four ports a, b, c and d, and the fiber bragg grating strain sensor is arranged on the outer surface of the battery; the state signals of each group of batteries are collected through a first circuit, a second circuit, a first light path and a second light path; the utility model is applied to battery state monitoring.

Description

Hybrid energy storage battery state monitoring system
Technical Field
The utility model discloses a hybrid energy storage battery state monitoring system, and belongs to the technical field of hybrid energy storage battery state monitoring systems.
Background
The hybrid energy storage system is an important link in a power supply system, and the battery is one of the energy storage units commonly used in the hybrid energy storage system. The widespread use of batteries is accompanied by a series of problems, which often cause serious damage, such as explosion and fire accidents of the batteries, generally because one of the batteries is not properly managed after cracking, the batteries rapidly deteriorate to cause explosion and fire, and because the batteries are used in series or in parallel, the whole battery can spread instantly when burning one battery to cause a large fire accident. Therefore, battery running state monitoring, especially on-line monitoring of single batteries, is more and more emphasized by people.
The maintenance and performance evaluation of the battery pack in China is still in a groping development stage, how to find the loss battery in time and ensure the safe and stable operation of a battery pack power supply system have very important practical significance. In recent years, the domestic battery online monitoring technology is rapidly developed, and a plurality of devices for monitoring the voltage, the current, the internal resistance and the like of the battery are put into operation, but the traditional electronic sensor measuring method is only used, so that the device is easily interfered by strong electromagnetism and temperature change, the sensor has poor long-term operation stability, and the measuring precision and the system operation reliability cannot be ensured.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to solve the technical problems that: the improvement of the hardware structure of the hybrid energy storage battery state monitoring system is provided.
In order to solve the technical problems, the utility model adopts the technical scheme that: a hybrid energy storage battery state monitoring system comprises a plurality of groups of batteries, wherein each battery is provided with a fiber bragg grating temperature sensor, a single battery monitoring module and a fiber bragg grating strain sensor, the fiber bragg grating temperature sensors are respectively arranged on the outer surfaces of a battery anode, a battery cathode and the battery, the single battery monitoring module is arranged on the outer surface of the battery, each single battery monitoring module is provided with four ports a, b, c and d, and the fiber bragg grating strain sensors are arranged on the outer surface of the battery;
the state signals of each group of batteries are collected through a first circuit, a second circuit, a first light path and a second light path;
the first circuit detects current signals of each group of batteries through a Hall current sensor, the negative electrode of each battery of one group of batteries is connected with the positive electrode of the next battery in series through a lead, the positive electrode of the first battery is connected with electric equipment through a lead, the negative electrode of the last battery is connected with the electric equipment through the Hall current sensor, and the Hall current sensor is also connected with a current signal acquisition device through a lead;
the second circuit detects the voltage, internal resistance and capacity information of each battery through the single battery monitoring modules, all the single battery monitoring modules on one group of batteries are connected sequentially through conducting wires, a port b of each single battery monitoring module is connected with the battery anode of the battery connected with the single battery monitoring module, a port c is connected with the battery cathode of the battery connected with the single battery monitoring module, a port d of each single battery monitoring module is connected with a port a of the next single battery monitoring module, and a port d of the last single battery monitoring module is connected to the single battery signal acquisition device;
the first optical path detects the temperature of each battery through a fiber bragg grating temperature sensor, all the fiber bragg grating temperature sensors on a group of batteries are sequentially connected in series through optical fibers, and the fiber bragg grating temperature sensor on the negative electrode of the last battery is connected with a fiber bragg grating signal acquisition device;
the second optical path detects the deformation of each battery through the fiber bragg grating strain sensors, all the fiber bragg grating strain sensors on one group of batteries are sequentially connected in series through optical fibers, and the fiber bragg grating strain sensor on the last battery is connected with a fiber bragg grating signal acquisition device;
the current signal acquisition device, the fiber bragg grating signal acquisition device and the single battery signal acquisition device are respectively connected with the central controller through leads, the central controller is connected with the upper computer through leads, and the upper computer is in remote communication with the remote monitoring module through the wireless transmission module.
The fiber bragg grating signal acquisition device comprises a scanning laser, a branching unit, a first 1 x 2 coupler, a first photoelectric detector, a first signal amplifier, a first low-pass filter, a first analog-to-digital conversion unit, a second 1 x 2 coupler, a second photoelectric detector, a second signal amplifier, a second low-pass filter, a second analog-to-digital conversion unit and a data acquisition card;
wherein the scanning laser is connected with the input port a of the branching unit, the output port b of the branching unit is connected with the input port a of the first 1X 2 coupler, the port b of the first 1X 2 coupler is connected with the fiber grating temperature sensor, the port c of the first 1X 2 coupler is connected with the input end of the first photoelectric detector, the output end of the first photoelectric detector is connected with the corresponding input port of the data acquisition card through the first signal amplifier, the first low-pass filter and the first analog-to-digital conversion unit, the output port c of the branching unit is connected with the input port a of the second 1X 2 coupler, the port b of the second 1X 2 coupler is connected with the fiber grating strain sensor, the port c of the second 1X 2 coupler is connected with the input end of the second photoelectric detector, the output end of the second photoelectric detector is connected with the fiber grating strain sensor through the second signal amplifier, the second low-pass filter, The second analog-to-digital conversion unit is connected with a corresponding input port of the data acquisition card, and the scanning laser is connected with a corresponding port of the data acquisition card.
The fiber bragg grating temperature sensor is specifically of the type JPFBGT-300;
the fiber bragg grating strain sensor is specifically of the type JPFBGS-100;
the type of the single battery monitoring module is YX-S;
the Hall current sensor is specifically of HKA-YSC type;
the scanning laser is particularly GC-76001C-01;
the data acquisition card is specifically of the model smacq 5410;
the first 1 x 2 coupler and the second 1 x 2 coupler are specifically of the model number 1 x 250/50 FC/AP;
the splitter is specifically PLC-FC/APC;
the first photoelectric detector and the second photoelectric detector are particularly of the type BLPD-RB-70 BR-B;
the first low-pass filter and the second low-pass filter are specifically PE 8719;
the central controller is specifically TMS320F 28069F;
the first analog-to-digital conversion unit and the second analog-to-digital conversion unit are specifically AD9248BSTZ-20 in model.
Compared with the prior art, the utility model has the beneficial effects that: the hybrid energy storage battery state monitoring system provided by the utility model integrates an optical fiber measurement technology on the basis of the traditional measurement method to perform online monitoring and health state evaluation of the battery state, and compared with the traditional measurement method, the hybrid energy storage battery state monitoring system has the advantages of strong anti-electromagnetic interference capability, low requirement on the external environment, high temperature resistance, stable structure, high precision and easiness in integration.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an optical fiber grating signal acquisition device according to the present invention;
in the figure: 1. an electricity-consuming device; 2. a battery positive electrode; 3. a fiber grating temperature sensor; 4. a battery negative electrode; 5. a first circuit; 6. a first light path; 7. a single battery monitoring module; 8. a second circuit; 9. a second light path; 10. a fiber grating strain sensor; 11. a Hall current sensor; 12. a current signal acquisition device; 13. a fiber grating signal acquisition device; 14. a single battery signal acquisition device; 15. a remote monitoring module; 16. a central controller; 17. a wireless transmission module; 18. an upper computer; 19. a scanning laser; 20. a splitter; 21. a first 1 x 2 coupler; 22. a first photodetector; 23. a first signal amplifier; 24. a first low-pass filter; 25. a second 1 x 2 coupler; 26. a second photodetector; 27. a second signal amplifier; 28. a second low-pass filter; 29. a data acquisition card; 30. a first analog-to-digital conversion unit; 31. a second analog-to-digital conversion unit.
Detailed Description
As shown in fig. 1 and 2, the system for monitoring the state of the hybrid energy storage battery comprises a fiber bragg grating temperature sensor 3, a single battery monitoring module 7, a fiber bragg grating strain sensor 10, a hall current sensor 11, a current signal acquisition device 12, a fiber bragg grating signal acquisition device 13, a single battery signal acquisition device 14, a remote monitoring module 15, a central controller 16, a wireless transmission module 17 and an upper computer 18.
The battery distributes in groups, each group battery all comprises the polylith battery, set up three fiber grating temperature sensor 3 on every battery, a battery cell monitoring module 7, a fiber grating strain sensor 10, three fiber grating temperature sensor 3 set up respectively at battery anodal 2, the surface of battery negative pole 4 and battery, battery cell monitoring module 7 sets up the surface at the battery, each battery cell monitoring module 7 all has a, b, c, four ports of d, fiber grating strain sensor 10 sets up the surface at the battery. And the state signals of each group of batteries are collected through the first circuit, the second circuit, the first light path and the second light path.
The first circuit 5 detects a battery current signal through the Hall current sensor 11, each battery cathode 4 of the battery is connected with the next battery cathode 2 in series, the first battery cathode 2 is connected with the electric equipment 1, the last battery cathode 4 is connected with the electric equipment 1 through the Hall current sensor 11, and the Hall current sensor 11 is further connected with the current signal acquisition device 12.
The second circuit 8 detects information such as voltage, internal resistance and capacity of each battery through the single battery monitoring module 7, and sequentially connects all the single battery monitoring modules 7 on the group of batteries, the connection method of the single battery monitoring modules 7 is that a port b of each single battery monitoring module 7 is connected with a battery anode 2 of a battery attached to the single battery monitoring module 7, a port c is connected with a battery cathode 4 of the battery attached to the single battery monitoring module 7, a port d of each single battery monitoring module 7 is connected with a port a of the next single battery monitoring module 7, and a port d of the last single battery monitoring module 7 is connected to the single battery signal acquisition device 14.
The first optical path 6 detects the temperature of each battery through the fiber bragg grating temperature sensors 3, optical fibers are sequentially connected with all the fiber bragg grating temperature sensors 3 on the group of batteries, and the fiber bragg grating temperature sensor 3 on the last battery cathode 4 is connected with the fiber bragg grating signal acquisition device 13.
The second light path 9 detects the micro deformation of each battery through the fiber bragg grating strain sensors 10, all the fiber bragg grating strain sensors 10 on the group of batteries are sequentially connected through optical fibers, and the fiber bragg grating strain sensor 10 on the last battery is connected with the fiber bragg grating signal acquisition device 13.
The current signal acquisition device 12, the fiber bragg grating signal acquisition device 13 and the single battery signal acquisition device 14 are respectively connected with corresponding interfaces of the central controller 16, the central controller 16 is connected with the upper computer 18, and the upper computer 18 is in remote communication with the remote monitoring module 15 through the wireless transmission module 17.
The fiber grating signal collecting device 13 further includes a scanning laser 19, a splitter 20, a first 1 × 2 coupler 21, a first photodetector 22, a first signal amplifier 23, a first low-pass filter 24, a first analog-to-digital conversion unit 30, a second 1 × 2 coupler 25, a second photodetector 26, a second signal amplifier 27, a second low-pass filter 28, a second analog-to-digital conversion unit 31, and a data acquisition card 29, wherein the scanning laser 19 is connected to an input port a of the splitter 20, an output port b of the splitter 20 is connected to an input port a of the first 1 × 2 coupler 21, a port b of the first 1 × 2 coupler 21 is connected to the fiber grating temperature sensor 3, a port c of the first 1 × 2 coupler 21 is connected to an input end of the first photodetector 22, an output end of the first photodetector 22 is connected to the fiber grating temperature sensor 3 via the first signal amplifier 23, The first low-pass filter 24 and the first analog-to-digital conversion unit 30 are connected with corresponding input ports of the data acquisition card 29, the output port c of the splitter 20 is connected with the input port a of the second 1 x 2 coupler 25, the port b of the second 1 x 2 coupler 25 is connected with the fiber bragg grating strain sensor 10, the port c of the second 1 x 2 coupler 25 is connected with the input end of the second photodetector 26, the output end of the second photodetector 26 is connected with the corresponding input port of the data acquisition card 29 through the second signal amplifier 27, the second low-pass filter 28 and the second analog-to-digital conversion unit 31, and the scanning laser 19 is connected with the corresponding port of the data acquisition card 29.
The fiber bragg grating temperature sensor 3 is specifically of the type JPFBGT-300;
the fiber bragg grating strain sensor 10 is specifically of the type JPFBGS-100;
the type of the single battery monitoring module 7 is YX-S;
the Hall current sensor 11 is specifically of a type HKA-YSC;
the scanning laser 19 is specifically GC-76001C-01;
the data acquisition card 29 is specifically of the type smacq 5410;
the first 1 × 2 coupler 21 and the second 1 × 2 coupler 25 are specifically of the type 1 × 250/50 FC/AP;
the splitter 20 is specifically of a PLC-FC/APC type;
the first photodetector 22 and the second photodetector 26 are specifically BLPD-RB-70 BR-B;
the first low-pass filter 24 and the second low-pass filter 28 are specifically of a type of PE 8719;
the central controller 16 is specifically of a model TMS320F 28069F;
the first analog-to-digital conversion unit 30 and the second analog-to-digital conversion unit 31 are specifically of the type AD9248 BSTZ-20.
Specifically, when the battery pack works, the Hall current sensor 11 connected in series to the first circuit 5 can accurately measure the working current flowing through the battery pack, the current signal acquisition device 12 is connected with the Hall current sensor 11, and acquired current signals are transmitted to the upper computer 18 through the central controller 16. The single battery monitoring module 7 in the second circuit 8 can monitor the voltage, internal resistance and capacity information of each battery, and the information is acquired by the single battery signal acquisition device 14 and then transmitted to the upper computer 18 through the central controller 16.
Fig. 2 is an internal structural diagram of a fiber bragg grating signal acquisition device in a hybrid energy storage battery state monitoring system provided by the utility model. As shown in fig. 2, the scanning laser 19 is connected to a corresponding interface of the data acquisition card 29, an output end of the first photodetector 22 is connected to a corresponding interface of the data acquisition card 29 through the first signal amplifier 23, the first low pass filter 24 and the first analog-to-digital conversion unit 30, an output end of the second photodetector 26 is connected to a corresponding interface of the data acquisition card 29 through the second signal amplifier 27, the second low pass filter 28 and the second analog-to-digital conversion unit 31, and the data acquisition card 29 is externally connected to the upper computer 18 through the central controller 16. When the fiber bragg grating temperature sensors 3 measure the temperature of the battery anode 2, the battery cathode 4 and the battery outer surface, and the fiber bragg grating strain sensor 10 measures the deformation of the battery shell, the upper computer 18 sets the working mode of the scanning laser 19 in the fiber bragg grating signal acquisition device 13, the scanning laser 19 performs circular scanning within a certain wavelength range according to a set step length, light emitted by the scanning laser 19 enters the input port a of the splitter 20, one path of light exits from the output port b of the splitter 20, enters the input port a of the first 1 x 2 coupler 21, exits from the port b of the first 1 x 2 coupler 21, enters each fiber bragg grating temperature sensor 3 through the first optical path 6, and reflected light exits from the port c of the first 1 x 2 coupler 21 and sequentially passes through the first photoelectric detector 22, the first signal amplifier 23 and the first photoelectric detector 23, The first low-pass filter 24 and the first analog-to-digital conversion unit 30 enter the data acquisition card 29; the other path of light from the output port c of the splitter 20 enters the input port a of the second 1 x 2 coupler 25, and the light from the port b of the second 1 x 2 coupler 25 enters each fiber grating strain sensor 10 through the second optical path 9, the reflected light is output from the port c of the second 1 x 2 coupler 25, and then enters the data acquisition card 29 through the second photodetector 26, the second signal amplifier 27, the second low-pass filter 28 and the second analog-to-digital conversion unit 31 in sequence, and the data acquisition card 29 transmits the acquired grating signal reflected by the fiber grating temperature sensor 3, the grating signal reflected by the fiber grating strain sensor 10 and the trigger signal of the scanning laser 19 to the upper computer 18 through the central controller 16.
The upper computer 18 calculates the central wavelength of each fiber grating temperature sensor 3 and the fiber grating strain sensor 10 by algorithms such as fitting and peak searching according to the data information transmitted back by the data acquisition card 29 and by referring to the scanning range and the scanning frequency set by the scanning laser 19, calculates the central wavelength offset of each fiber grating temperature sensor 3 and each fiber grating strain sensor 10 by making a difference with the original central wavelength, and calculates the temperature of each fiber grating temperature sensor 3 and the strain information of each fiber grating strain sensor 10 by referring to the correlation coefficient of each fiber grating temperature sensor 3 and each fiber grating strain sensor 10; in addition, comparing the battery operation history data with the relevant regulations in terms of safe use of the battery, corresponding safe operation threshold values are set for each parameter of the battery, and when the parameter exceeds the threshold value, the upper computer 18 gives an alarm and transmits the abnormal condition of the battery to the remote monitoring module 15 in real time through the wireless transmission module 17.
It should be noted that, in this embodiment, the state signal of each group of batteries is collected through two circuits and two optical paths, wherein the circuit two 8 is provided with the single battery monitoring modules 7 whose number is equal to that of the group of batteries, the optical path one 6 is provided with the fiber bragg grating temperature sensors 3 whose number is three times that of the group of batteries, and the optical path two 9 is provided with the fiber bragg grating strain sensors 10 whose number is equal to that of the group of batteries. In this embodiment, each two optical paths share one fiber grating signal acquisition device 13, and because the fiber grating signal acquisition device 13 has the characteristic of wavelength coding, each optical path can be provided with a large number of fiber grating sensors, which is suitable for a large-scale monitoring system, so that in actual implementation, a plurality of groups of batteries share one fiber grating signal acquisition device 13 according to the performance of the fiber grating signal acquisition device 13 and the distribution condition of on-site batteries.
The battery pack current is measured by the Hall current sensor, the voltage, internal resistance and capacity information of each battery is measured by the single battery monitoring module, the battery temperature is measured by the grating optical fiber temperature sensor, the micro deformation of the outer surface of the battery is measured by the fiber grating strain sensor, various parameters are measured, the running state of the battery is analyzed by combining historical data, abnormal behaviors such as overvoltage, undervoltage, overcharge, overdischarge, capacity reduction, temperature abnormity, swelling and the like can be found in time, alarm information is sent to the remote monitoring module by the upper computer, and the safety, the stability and the reliability of the long-term running of the battery online monitoring system are greatly improved.
The hybrid energy storage battery state monitoring system provided by the utility model aims at a large number of batteries distributed in groups, and single batteries can be flexibly accessed, so that the hybrid energy storage battery state monitoring system has strong applicability to battery online monitoring systems in different industries and different scenes.
It should be noted that, regarding the specific structure of the present invention, the connection relationship between the modules adopted in the present invention is determined and can be realized, except for the specific description in the embodiment, the specific connection relationship can bring the corresponding technical effect, and the technical problem proposed by the present invention is solved on the premise of not depending on the execution of the corresponding software program.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (3)

1. The utility model provides a hybrid energy storage battery state monitoring system, includes multiunit battery, its characterized in that: each battery is provided with a fiber bragg grating temperature sensor (3), a single battery monitoring module (7) and a fiber bragg grating strain sensor (10), wherein the fiber bragg grating temperature sensors (3) are respectively arranged on the outer surfaces of a battery anode (2), a battery cathode (4) and the battery, the single battery monitoring module (7) is arranged on the outer surface of the battery, each single battery monitoring module (7) is provided with four ports a, b, c and d, and the fiber bragg grating strain sensors (10) are arranged on the outer surface of the battery;
the state signals of each group of batteries are collected through a first circuit (5), a second circuit (8), a first light path (6) and a second light path (9);
the circuit I (5) detects current signals of each group of batteries through a Hall current sensor (11), each battery cathode (4) of one group of batteries is connected with the next battery anode (2) in series through a lead, the first battery anode (2) is connected with the electric equipment (1) through a lead, the last battery cathode (4) is connected with the electric equipment (1) through the Hall current sensor (11), and the Hall current sensor (11) is also connected with a current signal acquisition device (12) through a lead;
the second circuit (8) detects the voltage, internal resistance and capacity information of each battery through the single battery monitoring module (7), and is sequentially connected with all the single battery monitoring modules (7) on one group of batteries through leads, a port b of each single battery monitoring module (7) is connected with a battery anode (2) of the battery connected with the single battery monitoring module (7), a port c is connected with a battery cathode (4) of the battery connected with the single battery monitoring module (7), a port d of each single battery monitoring module (7) is connected with a port a of the next single battery monitoring module (7), and a port d of the last single battery monitoring module (7) is connected to the single battery signal acquisition device (14);
the first optical path (6) detects the temperature of each battery through the fiber bragg grating temperature sensors (3), all the fiber bragg grating temperature sensors (3) on one group of batteries are sequentially connected in series through optical fibers, and the fiber bragg grating temperature sensor (3) on the negative electrode (4) of the last battery is connected with the fiber bragg grating signal acquisition device (13);
the second light path (9) detects the deformation of each battery through the fiber bragg grating strain sensors (10), optical fibers are sequentially connected with all the fiber bragg grating strain sensors (10) on one group of batteries in series, and the fiber bragg grating strain sensor (10) on the last battery is connected with the fiber bragg grating signal acquisition device (13);
the current signal acquisition device (12), the fiber bragg grating signal acquisition device (13) and the single battery signal acquisition device (14) are respectively connected with the central controller (16) through leads, the central controller (16) is connected with the upper computer (18) through leads, and the upper computer (18) is in remote communication with the remote monitoring module (15) through the wireless transmission module (17).
2. The hybrid energy storage battery condition monitoring system of claim 1, wherein: the fiber bragg grating signal acquisition device (13) comprises a scanning laser (19), a branching unit (20), a first 1 x 2 coupler (21), a first photoelectric detector (22), a first signal amplifier (23), a first low-pass filter (24), a first analog-to-digital conversion unit (30), a second 1 x 2 coupler (25), a second photoelectric detector (26), a second signal amplifier (27), a second low-pass filter (28), a second analog-to-digital conversion unit (31) and a data acquisition card (29);
wherein the scanning laser (19) is connected with an input port a of the splitter (20), an output port b of the splitter (20) is connected with an input port a of the first 1 x 2 coupler (21), a port b of the first 1 x 2 coupler (21) is connected with the fiber grating temperature sensor (3), a port c of the first 1 x 2 coupler (21) is connected with an input end of the first photoelectric detector (22), an output end of the first photoelectric detector (22) is connected with a corresponding input port of the data acquisition card (29) through the first signal amplifier (23), the first low-pass filter (24) and the first analog-to-digital conversion unit (30), an output port c of the splitter (20) is connected with an input port a of the second 1 x 2 coupler (25), a port b of the second 1 x 2 coupler (25) is connected with the fiber grating strain sensor (10), and a port c of the second 1 x 2 coupler (25) is connected with an input end of the second photoelectric detector (26), the output end of the second photoelectric detector (26) is connected with the corresponding input port of the data acquisition card (29) through a second signal amplifier (27), a second low-pass filter (28) and a second analog-to-digital conversion unit (31), and the scanning laser (19) is connected with the corresponding port of the data acquisition card (29).
3. A hybrid energy storage battery condition monitoring system according to claim 2, characterized in that: the fiber bragg grating temperature sensor (3) is specifically of the type JPFBGT-300;
the fiber bragg grating strain sensor (10) is specifically of the type JPFBGS-100;
the type of the single battery monitoring module (7) is YX-S;
the Hall current sensor (11) is specifically of HKA-YSC type;
the scanning laser (19) is particularly of a model GC-76001C-01;
the data acquisition card (29) is specifically of the model smacq 5410;
the first 1 x 2 coupler (21) and the second 1 x 2 coupler (25) are of the type 1 x 250/50 FC/AP;
the type of the shunt (20) is PLC-FC/APC;
the first photoelectric detector (22) and the second photoelectric detector (26) are particularly BLPD-RB-70 BR-B;
the first low-pass filter (24) and the second low-pass filter (28) are specifically PE 8719;
the central controller (16) is specifically TMS320F 28069F;
the first analog-to-digital conversion unit (30) and the second analog-to-digital conversion unit (31) are specifically AD9248BSTZ-20 in model.
CN202121402440.1U 2021-06-23 2021-06-23 Hybrid energy storage battery state monitoring system Active CN215768929U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121402440.1U CN215768929U (en) 2021-06-23 2021-06-23 Hybrid energy storage battery state monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121402440.1U CN215768929U (en) 2021-06-23 2021-06-23 Hybrid energy storage battery state monitoring system

Publications (1)

Publication Number Publication Date
CN215768929U true CN215768929U (en) 2022-02-08

Family

ID=80101935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121402440.1U Active CN215768929U (en) 2021-06-23 2021-06-23 Hybrid energy storage battery state monitoring system

Country Status (1)

Country Link
CN (1) CN215768929U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115144753A (en) * 2022-06-27 2022-10-04 杭州煦达新能源科技有限公司 Echelon energy storage battery operation safety detection system and method and energy storage system
CN115792664A (en) * 2023-02-08 2023-03-14 山东省科学院激光研究所 Battery parameter detection device
CN115825763A (en) * 2023-01-10 2023-03-21 伟杰科技(苏州)有限公司 Intelligent battery monitoring system and monitoring method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115144753A (en) * 2022-06-27 2022-10-04 杭州煦达新能源科技有限公司 Echelon energy storage battery operation safety detection system and method and energy storage system
CN115144753B (en) * 2022-06-27 2023-08-08 杭州煦达新能源科技有限公司 Echelon energy storage battery operation safety detection system, method and energy storage system
CN115825763A (en) * 2023-01-10 2023-03-21 伟杰科技(苏州)有限公司 Intelligent battery monitoring system and monitoring method thereof
CN115825763B (en) * 2023-01-10 2023-10-27 伟杰科技(苏州)有限公司 Intelligent battery monitoring system and monitoring method thereof
CN115792664A (en) * 2023-02-08 2023-03-14 山东省科学院激光研究所 Battery parameter detection device

Similar Documents

Publication Publication Date Title
CN215768929U (en) Hybrid energy storage battery state monitoring system
US20220412777A1 (en) Multiparameter integrated online monitoring system and method for at least one energy storage battery based on fiber bragg grating
CN202939289U (en) Battery pack health state evaluation system
CN202929124U (en) Substation high-voltage shunt capacitor intelligent online monitoring system
CN102855729B (en) Automatic electricity getting residual-current electrical fire supervisory system
CN110763885B (en) Single-phase user steals electric monitored control system
CN219204188U (en) Intelligent monitoring device for substation electricity utilization full loop
CN116247801A (en) Distribution equipment group monitoring system based on Internet of things
CN114944514A (en) Lead-acid storage battery management method and device
CN113093023A (en) Storage battery monomer on-line monitoring system
CN106443479A (en) A storage battery intelligent monitoring system
CN209283245U (en) A kind of link interface circuit of substation's communication link abnormality detection
CN207019817U (en) A kind of temperature sensor for high-tension line
CN111740698A (en) Photovoltaic module parameter on-line monitoring and fault diagnosis system
CN207036296U (en) A kind of optical cable temperature measurement early warning system based on DTS
CN219266492U (en) Novel electric power energy storage group battery on-line monitoring device
CN205105217U (en) Passive optical network on -line monitoring device
CN218974548U (en) Battery cell monitoring system
CN212085829U (en) Pluggable battery monitoring device and battery pack
CN202798147U (en) Intelligent low-voltage load measuring and control device for power distribution network
CN211351728U (en) Bus type super capacitor module management system
CN204064340U (en) The anti-interference accident indicator of a kind of power distribution network
CN212723169U (en) Power distribution network overhead line on-line monitoring device
CN109269457A (en) A kind of portable fracture width long term monitoring, early warning system
CN110879306B (en) Three-phase user steals electric monitored control system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant