Battery power real-time monitoring system of zinc-bromine flow battery
By designing a real-time power monitoring system for zinc bromine flow battery including positive and negative electrode electrolyte reservoirs, circulation pumps, testers and upper computers, the problem of lack of real-time monitoring systems in the existing technology is solved, real-time monitoring and data recording of current, voltage, power and other indicators during charging and discharging of zinc bromine flow battery is achieved, and strong data support is provided.
Patent Information
- Application Number
- CN202421686863.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The existing technology lacks a system that monitors current, voltage, power and other indicators in real time when charging and discharging zinc-brominate flow batteries, resulting in a lack of real-time data support during R&D and production.
A real-time battery power monitoring system for zinc-bromine flow batteries is designed, including a positive and negative electrode electrolyte reservoir, a circulation pump, a tester voltage and current line, a power tester, a test load and a host computer. Through these components, the current, voltage and power indicators of zinc-bromine flow batteries are monitored and recorded in real time.
Real-time monitoring and data recording of current, voltage, power and other indicators during charging and discharging of zinc-bromine flow batteries is realized, providing strong data support, and promoting the research and development and production of zinc-bromine flow batteries.
Smart Images
Figure CN222939237U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a battery power real-time monitoring system for a zinc-bromine flow battery, belonging to the technical field of real-time monitoring of the power of flow batteries. Background Art
[0002] As a representative of new energy energy storage technologies, the zinc-bromine flow battery is a large-scale power energy storage system with high performance, low cost and large capacity. The real-time monitoring of the zinc-bromine flow battery is an important link in the research and development and production processes. The tests of the zinc-bromine flow battery mainly focus on the evaluation of its performance and safety. Observing and recording indicators such as current, voltage, and power during the charge and discharge of the zinc-bromine flow battery can provide strong data support for the research and development and production of the zinc-bromine flow battery. However, since the zinc-bromine flow battery is an emerging industry developed in recent years and there is no real-time monitoring system for zinc-bromine flow batteries, there is an urgent need in this field for a device capable of real-time monitoring of the battery power of zinc-bromine flow batteries to complete the real-time monitoring of indicators such as current, voltage, and power during the charge and discharge of zinc-bromine flow batteries. Content of the Utility Model
[0003] The purpose of the utility model is to provide a battery power real-time monitoring system for a zinc-bromine flow battery, which can real-time monitor indicators such as current, voltage, and power during the charge and discharge of the zinc-bromine flow battery, record the results of various data, and provide strong data support for the research and development and production of the zinc-bromine flow battery, so as to solve the problems existing in the background art.
[0004] The technical solution of the utility model is as follows:
[0005] A real-time monitoring system for the battery power of a zinc-bromine flow battery, comprising a positive electrolyte storage tank, a negative electrolyte storage tank, a positive electrolyte circulation pump, a negative electrolyte circulation pump, a tester voltage line, a tester current line, a power tester, a test load, a zinc-bromine flow battery, a switch one and a switch two. Inside the zinc-bromine flow battery, there are successively arranged a battery positive plate, a positive graphite felt, an ion exchange membrane, a negative graphite felt and a battery negative plate. The liquid outlet of the positive electrolyte storage tank is connected to the positive graphite felt of the zinc-bromine flow battery through the positive electrolyte circulation pump, and then is connected to the liquid inlet of the positive electrolyte storage tank through the positive electrolyte circulation pipeline. The liquid outlet of the negative electrolyte storage tank is connected to the negative graphite felt of the zinc-bromine flow battery through the negative electrolyte circulation pump, and then is connected to the liquid inlet of the negative electrolyte storage tank through the negative electrolyte circulation pipeline. The power tester is provided with two tester voltage lines and two tester current lines. One of the two tester voltage lines is connected to the battery positive plate of the zinc-bromine flow battery, and the other is connected to the battery negative plate of the zinc-bromine flow battery. One of the two tester current lines is connected to the battery positive plate of the zinc-bromine flow battery, and the other tester current line is divided into two paths. One path is connected to the battery negative plate of the zinc-bromine flow battery after passing through switch two, and the other path is connected to the battery negative plate of the zinc-bromine flow battery after being connected in series with switch one and the test load. Switch one and the test load are connected in series and in parallel with switch two.
[0006] The output end of the power tester is connected to the upper computer, and the current and voltage data monitored by the power tester are uploaded to the upper computer for processing, analyzing the data changes, and making chart curves.
[0007] The upper computer is provided with a USB interface, which can copy and store the monitored data.
[0008] By adopting the present utility model, the charging and discharging of the test load by the zinc-bromine flow battery are controlled through switch one and switch two, various data of the zinc-bromine flow battery are monitored in real time, and can be observed and analyzed through the upper computer, and the real-time curve atlas can be viewed, and the monitored data can be copied and stored through the USB interface.
[0009] The beneficial effects of the present utility model: The indicators such as current, voltage, and power during the charging and discharging of the zinc-bromine flow battery are monitored in real time, and the results of various data are recorded, providing strong data support for the research and production of the zinc-bromine flow battery. Description of the Drawings
[0010] Figure 1 It is a schematic structural diagram of an embodiment of the present utility model;
[0011] In the figure: positive electrolyte storage tank 1, negative electrolyte storage tank 2, positive electrolyte circulation pipeline 3, positive electrolyte circulation pump 4, negative electrolyte circulation pump 5, tester voltage line 6, tester current line 7, power tester 8, test load 9, zinc-bromine flow battery 10, switch one 11, battery positive plate 12, positive graphite felt 13, ion exchange membrane 14, negative graphite felt 15, battery negative plate 16, negative electrolyte circulation pipeline 17, upper computer 18, switch two 19. Specific implementation mode
[0012] The following further illustrates the present utility model through embodiments in conjunction with the accompanying drawings.
[0013] A battery power real-time monitoring system for a zinc-bromine flow battery, comprising a positive electrolyte storage tank 1, a negative electrolyte storage tank 2, a positive electrolyte circulation pump 4, a negative electrolyte circulation pump 5, a tester voltage line 6, a tester current line 7, a power tester 8, a test load 9, a zinc-bromine flow battery 10, a switch one 11 and a switch two 19. Inside the zinc-bromine flow battery 10, there are arranged in sequence a battery positive plate 12, a positive graphite felt 13, an ion exchange membrane 14, a negative graphite felt 15 and a battery negative plate 16. The liquid outlet of the positive electrolyte storage tank 1 is connected to the positive graphite felt 13 of the zinc-bromine flow battery 10 through the positive electrolyte circulation pump 4, and then is connected to the liquid inlet of the positive electrolyte storage tank 1 through the positive electrolyte circulation pipeline 3. The liquid outlet of the negative electrolyte storage tank 2 is connected to the negative graphite felt 15 of the zinc-bromine flow battery 10 through the negative electrolyte circulation pump 5, and then is connected to the liquid inlet of the negative electrolyte storage tank 2 through the negative electrolyte circulation pipeline 17. The power tester 8 is provided with two tester voltage lines 6 and two tester current lines 7. One of the two tester voltage lines 6 is connected to the battery positive plate 12 of the zinc-bromine flow battery 10, and the other tester voltage line 6 is connected to the battery negative plate 16 of the zinc-bromine flow battery 10. One of the two tester current lines 7 is connected to the battery positive plate 12 of the zinc-bromine flow battery 10, and the other tester current line is divided into two paths. One path is connected to the battery negative plate 16 of the zinc-bromine flow battery 10 after passing through the switch two 19, and the other path is connected to the battery negative plate 16 of the zinc-bromine flow battery 10 after being connected in series with the switch one 11 and the test load 9. The switch one 11 and the test load 9 are connected in series and are in parallel with the switch two 19.
[0014] The output end of the power tester 8 is connected to the upper computer 18, and the current and voltage data monitored by the power tester 8 are uploaded to the upper computer 18 for processing, analyzing the data change, and making a chart curve.
[0015] The upper computer 18 is provided with a USB interface, and can copy and store the monitored data.
[0016] In an embodiment, current clamps are provided at the ends of the two tester current lines 7 of the power tester 8. The current clamps of the two tester current lines 7 are respectively connected in series to the battery positive plate 12 and the battery negative plate 16 of the zinc-bromine flow battery 10 with an effective area of 10 cm × 20 cm. One of the tester current lines is divided into two paths. One path is connected to the battery negative plate 16 of the zinc-bromine flow battery 10 after passing through switch two 19, and the other path is connected to the battery negative plate 16 of the zinc-bromine flow battery 10 after being connected in series with switch one 11 and test load 9. Switch one 11 and test load 9 are connected in series and in parallel with switch two 19. Voltage clamps are provided at the ends of the two tester voltage lines 6 of the power tester 8. The voltage clamps of the two tester voltage lines 6 are connected in parallel to the battery positive plate 12 and the battery negative plate 16 of the zinc-bromine flow battery 10; the output end of the power tester 8 is connected to the upper computer 18, and parameters are set, and current, voltage, and power are set as the main monitoring parameters.
[0017] Turn on switch one 11, close switch two 19, and break the test load 9.
[0018] Start the positive electrolyte circulation pump 4 and the negative electrolyte circulation pump 5 to charge the zinc-bromine flow battery 10, and observe the changes in current, voltage, and power during the charging process of the zinc-bromine flow battery 10.
[0019] After the zinc-bromine flow battery 10 is fully charged, stop the positive electrolyte circulation pump 4 and the negative electrolyte circulation pump 5 to stop charging; close switch one 11, open switch two 19, the zinc-bromine flow battery 10 discharges the test load 9, observe the data changes during the discharge process through the upper computer 18, switch the graph, observe the change curve of the value, view the real-time curve atlas, and copy and store the monitored data through the USB interface.
Claims
1. A real-time monitoring system for battery power of a zinc-bromine flow battery, characterized in that: The invention comprises a positive electrode electrolyte storage tank (1), a negative electrode electrolyte storage tank (2), a positive electrode electrolyte circulation pump (4), a negative electrode electrolyte circulation pump (5), a tester voltage line (6), a tester current line (7), a power tester (8), a test load (9), a zinc-bromine liquid flow battery (10), a switch 1 (11) and a switch 2 (19), wherein the zinc-bromine liquid flow battery (10) is provided with a battery positive electrode plate (12), a positive electrode graphite felt (1 3), an ion exchange membrane (14), a negative electrode graphite felt (15) and a battery negative electrode plate (16); the outlet of the positive electrode electrolyte storage tank (1) is connected to the positive electrode graphite felt (13) of the zinc-bromine liquid flow battery (10) through a positive electrode electrolyte circulation pump (4), and then connected to the inlet of the positive electrode electrolyte storage tank (1) through an electrolyte positive electrode circulation pipeline (3); the outlet of the negative electrode electrolyte storage tank (2) is connected to the positive electrode graphite felt (13) of the zinc-bromine liquid flow battery (10) through a negative electrode electrolyte circulation pipeline (5). After the negative electrode graphite felt (15) of the zinc-bromine liquid flow battery (10) is connected, it is connected to the liquid inlet of the negative electrode electrolyte storage tank (2) through the electrolyte negative electrode circulation pipeline (17); the power tester (8) is provided with two tester voltage wires (6) and two tester current wires (7), the two tester voltage wires (6) are respectively connected to the battery positive electrode plate (12) and the battery negative electrode plate (16) of the zinc-bromine liquid flow battery (10), and the two tester current wires (7) are respectively connected to the battery positive electrode plate (12) and the battery negative electrode plate (16) of the zinc-bromine liquid flow battery (10). ) is connected to the positive plate (12) of the zinc-bromine liquid flow battery (10), and the other tester current line is divided into two paths, one of which is connected to the negative plate (16) of the zinc-bromine liquid flow battery (10) after passing through the switch 2 (19), and the other of which is connected in series with the switch 1 (11) and the test load (9) and then connected to the negative plate (16) of the zinc-bromine liquid flow battery (10). The switch 1 (11) and the test load (9) are connected in series and then connected in parallel with the switch 2 (19).
2. The real-time monitoring system for battery power of a zinc-bromine flow battery according to claim 1, characterized in that: The output end of the power tester (8) is connected to a host computer (18).
3. The real-time monitoring system for battery power of a zinc-bromine flow battery according to claim 2, characterized in that: The host computer (18) is provided with a USB interface.