CN116316981A - Control method and device of intelligent module energy storage power conversion system - Google Patents
Control method and device of intelligent module energy storage power conversion system Download PDFInfo
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- CN116316981A CN116316981A CN202310276189.6A CN202310276189A CN116316981A CN 116316981 A CN116316981 A CN 116316981A CN 202310276189 A CN202310276189 A CN 202310276189A CN 116316981 A CN116316981 A CN 116316981A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 238000013500 data storage Methods 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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- 238000011897 real-time detection Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Protection Of Static Devices (AREA)
Abstract
The invention relates to the technical field of energy storage circuit control, and provides a control method and a device of an intelligent module energy storage power conversion system, wherein the control method comprises the following steps: overcurrent and overvoltage control method, temperature protection and short circuit protection; the intermittent measurement component is used for intermittently measuring corresponding data in the energy storage circuit according to set time; the data storage component comprises: detecting comparison data in real time, and outputting overvoltage data, overcurrent data and inductive current overcurrent data; the data storage component and the measurement component compare data through the data identification module; through setting up protection component and corresponding measurement subassembly, when the energy storage circuit breaks down when using, through measurement component measurement data to comparison data judges what kind of instruction should be sent, the effect of protection is implemented by protection component again, and adopts above-mentioned mode at work, the effect of energy saving while reduction risk when using.
Description
Technical Field
One or more embodiments of the present disclosure relate to the field of tank circuit control technologies, and in particular, to a method and an apparatus for controlling an intelligent module energy storage power conversion system.
Background
Battery Energy Storage (ES) technology in the prior art provides a wide range of power and energy densities, making it suitable for mobile applications and fixed mass storage applications, such as patent numbers: 202110745536.6, patent name: chinese patent for control method of tank circuit. Wherein the load voltage and the load resistance; determining the target number of the battery modules to be started according to the load resistance; determining target conduction time of the target number of battery modules according to the load voltage; the technical problem that solves in practice lies in how to realize the purpose of unified management of battery module, however often can appear electric current unstable or voltage unstable in the tank circuit operation in-process, and the circumstances can't realize the condition in the equipment operation process that adopts that the percentage does not appear any trouble even dangerous to the above-mentioned mode and the mode in prior art are in the protection inadequately to the circuit, can appear changing in a large number and even cause dangerous condition to take place.
Disclosure of Invention
In view of the above, one or more embodiments of the present disclosure are directed to a control method and apparatus for an intelligent module energy-storage power conversion system, so as to solve the problems.
In view of the above object, one or more embodiments of the present disclosure provide a control method of an intelligent module energy storage power conversion system, including:
the overcurrent and overvoltage control method comprises the following steps: the data storage component stores three data detected in real time, protection delay is started when the data detected by the measurement component is above the lowest range of range values and below the highest range of range values, the protection component is started when the detected data is continuously within the range values when the delay exceeds the safety time, and the protection component is started immediately when the detected data is higher than the highest range;
and (3) temperature protection: the data storage component stores temperature data, when the temperature detected by the measuring component exceeds set data, the protection component is started immediately, the water cooling component is started to cool the energy storage circuit, and when the five intermittent detection structures exceed the set data after the water cooling component is started, the energy storage circuit is disconnected immediately through the protection component;
short circuit protection: the data storage component stores the short circuit detection data value, and the protection component is started to disconnect the energy storage circuit immediately when the measurement component detects that the set data is exceeded.
As another technical scheme, a control method of an intelligent module energy storage power conversion system of the intelligent module energy storage power conversion device is provided for cooperation, and the intelligent module energy storage power conversion system comprises a measurement assembly, an energy storage circuit and a data storage assembly, wherein the energy storage circuit comprises an electromagnetic switch, a real-time measurement element of the measurement assembly detects corresponding data in the energy storage circuit in real time, and an intermittent measurement element intermittently measures the corresponding data in the energy storage circuit according to set time;
the data storage component comprises: detecting comparison data in real time, outputting overvoltage data, overcurrent data and inductive current overcurrent data, and intermittent comparison data, temperature data and short circuit detection data values;
the data storage component and the measurement component compare data through the data identification module.
The data identification module is in data connection with the data processing module, and the data processing module is electrically connected with the data transmission module;
the data processing module converts the comparison result of the data identification module into control data.
The protection assembly includes: the data transmission module is connected with the data receiving module through an electric signal, and the data receiving module is respectively and electrically connected with the protection switch and the control switch;
the control switch controls the output power of the water cooling assembly and the opening and closing of the electromagnetic switch, and the protection switch controls the number of the connected power supplies in the energy storage circuit.
The real-time measurement element comprises: an output overvoltage detector, an inductor current overcurrent detector and an output overcurrent detector;
the output overvoltage detector and the output overcurrent detector are respectively connected into the energy storage circuit, and the inductance current overcurrent detector is arranged in the induction circuit.
The intermittent measuring element includes: a short circuit detector and a temperature sensor;
the temperature sensors are respectively arranged on the outer sides of the energy storage circuits, and the short circuit detectors are connected in series in the energy storage circuits.
It can be seen from the foregoing that, according to one or more embodiments of the present disclosure, a control method and apparatus for an intelligent module energy storage power conversion system are provided, where a protection component and a corresponding measurement component are provided, when an energy storage circuit fails during use, data is measured through the measurement component, and a comparison data is used to determine what kind of instruction should be sent out, and then the protection component implements a protection effect.
Drawings
For a clearer description of one or more embodiments of the present description or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only one or more embodiments of the present description, from which other drawings can be obtained, without inventive effort, for a person skilled in the art.
FIG. 1 is a schematic diagram showing the overall structure connection of the present specification;
FIG. 2 is a schematic diagram of the connection of the tank circuit to the real-time measurement element of the present disclosure;
fig. 3 is a schematic diagram of an intermittent measuring element in the present specification.
The marks in the figure:
1. a tank circuit; 2. a measurement assembly; 21. a real-time measurement element; 22. an intermittent measuring element; 211. an inductor current flow detector; 212. outputting an overcurrent detector; 213. an output overvoltage detector; 221. a temperature sensor; 222. a short circuit detector; 3. a water cooling assembly; 4. a data storage component; 41. a short circuit detection data value; 42. outputting overvoltage data; 43. outputting overcurrent data; 44. inductance current overcurrent data; 45. temperature data; 5. a data identification module; 6. a data processing module; 7. a data transmission module; 8. a protection component; 81. a data receiving module; 82. a control switch; 83. and a protection switch.
Detailed Description
For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made in detail to the following specific examples.
It is noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should be taken in a general sense as understood by one of ordinary skill in the art to which the present disclosure pertains. The use of the terms "first," "second," and the like in one or more embodiments of the present description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
1, as shown in fig. 1-3, an intelligent module stored energy power conversion control device is provided, which includes a measurement assembly 2, a storage circuit 1 and a data storage assembly 4, wherein the storage circuit 1 includes an electromagnetic switch, a real-time measurement element 21 of the measurement assembly 2 detects corresponding data in the storage circuit 1 in real time, and an intermittent measurement element 22 intermittently measures the corresponding data in the storage circuit 1 according to a set time;
corresponding data in the tank circuit 1 is collected through the measuring component 2, and whether the circuit is safe or not is judged by the data stored in the data storage component 4.
The data storage component 4 comprises: real-time detection of data for comparison, output of overvoltage data 42, output of overcurrent data 43 and inductor current overcurrent data 44, and intermittent comparison data, temperature data 43 and short-circuit detection data value 41;
the data storage component 4 and the measuring component 2 compare data via a data recognition module 5.
The data detected in real time is compared with the data detected intermittently through the data identification 5
The data identification module 5 is in data connection with the data processing module 6, and the data processing module 6 is electrically connected with the data transmission module 7;
the data processing module 6 converts the comparison result of the data identifying module 5 into control data.
The control commands required for the corresponding data are identified via the data processing module 6.
The protection assembly 8 comprises: the data transmission module 7 is connected with the data receiving module 81 by an electric signal, and the data receiving module 81 is electrically connected with the protection switch 83 and the control switch 82 respectively;
the control switch 82 controls the output power of the water cooling assembly 3, and the electromagnetic switch is turned on and off, and the protection switch 83 controls the number of connected power sources in the energy storage circuit 1.
The output power of the water cooling assembly 3 is controlled through the control switch 82, the cooling efficiency is controlled, and when the temperature cannot be cooled, the control switch 82 starts the electromagnetic switch to disconnect the circuit, so that danger is prevented.
The real-time measuring element 21 comprises: an output overvoltage detector 213, an inductor current overcurrent detector 211, and an output overcurrent detector 212;
wherein the output overvoltage detector 213 and the output overcurrent detector 212 are connected to the tank circuit 1, respectively, and the inductor current overcurrent detector 211 is installed in the induction circuit.
The output voltage and the output current in the energy storage circuit 1 are detected through the output overvoltage detector 213 and the output overcurrent detector 212, so that the occurrence of the situation that the energy storage unit is damaged due to overvoltage or overcurrent in actual operation is prevented.
The intermittent measuring element includes: a short circuit detector 222 and a temperature sensor 221;
wherein, a plurality of temperature sensors 221 are respectively installed outside the tank circuit 1, and a short circuit detector 222 is connected in series in the tank circuit 1.
In the actual installation process, the plurality of temperature sensors 221 are arranged, and the outside of the circuit at the access end and the parallel end is fixedly installed through the fixing assembly.
The time setting in the intermittent measuring element is set to a specific amount in a more work environment and work situation.
the overcurrent and overvoltage control method comprises the following steps: the data storage component 4 stores three data detected in real time, the protection delay is started when the data detected by the measurement component 2 is above the lowest range of range values and below the highest range of range values, the protection component 8 is started when the detected data is continuously within the range values when the delay exceeds the safety time, and the protection component 8 is started immediately when the detected data is higher than the highest range;
and (3) temperature protection: the data storage component 4 stores temperature data 45, when the temperature detected by the measuring component 2 exceeds the set data, the protection component 8 is started immediately, the water cooling component 3 is started by the protection component 8 to cool the energy storage circuit 1, and when the five intermittent detection structures exceed the set data after the water cooling component 3 is started, the energy storage circuit 1 is disconnected immediately through the protection component 8;
short circuit protection: the short circuit detection data value 41 is stored by the data storage component 4, and the protection component 8 is started immediately to disconnect the tank circuit 1 when the measurement component 2 detects that the set data is exceeded.
It should be noted that the methods of one or more embodiments of the present description may be performed by a single device, such as a computer or server. The method of the embodiment can also be applied to a distributed scene, and is completed by mutually matching a plurality of devices. In the case of such a distributed scenario, one of the devices may perform only one or more steps of the methods of one or more embodiments of the present description, the devices interacting with each other to accomplish the methods.
The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
For convenience of description, the above devices are described as being functionally divided into various modules, respectively. Of course, the functions of each module may be implemented in one or more pieces of software and/or hardware when implementing one or more embodiments of the present description.
The device of the foregoing embodiment is configured to implement the corresponding method in the foregoing embodiment, and has the beneficial effects of the corresponding method embodiment, which is not described herein.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; combinations of features of the above embodiments or in different embodiments are also possible within the spirit of the present disclosure, steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments described above which are not provided in detail for the sake of brevity.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description.
The present disclosure is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments of the disclosure, are therefore intended to be included within the scope of the disclosure.
Claims (6)
1. The control method of the intelligent module energy storage power conversion system is characterized by comprising the following steps of:
the overcurrent and overvoltage control method comprises the following steps: three data detected in real time are stored by a data storage component (4), protection delay is started when the data detected by a measuring component (2) are above the lowest range of range values and below the highest range of range values, a protection component (8) is started when the detected data are continuously in the range values when the delay exceeds the safety time, and the protection component (8) is started immediately when the detected data are higher than the highest range;
and (3) temperature protection: the data storage component (4) stores temperature data (45), when the temperature detected by the measurement component (2) exceeds the set data, the protection component (8) is started immediately, the water cooling component (3) is started by the protection component (8) to cool the energy storage circuit (1), and when the five intermittent detection structures of the water cooling component (3) exceed the set data after the water cooling component (3) is started, the energy storage circuit (1) is disconnected immediately through the protection component (8);
short circuit protection: a short-circuit detection data value (41) is stored by the data storage component (4), and the protection component (8) is started immediately to disconnect the energy storage circuit (1) when the measurement component (2) detects that the set data is exceeded.
2. An intelligent module energy storage power conversion system control device used with the control method of the intelligent module energy storage power conversion system according to claim 1, characterized by comprising a measurement component (2), an energy storage circuit (1) and a data storage component (4), wherein the energy storage circuit (1) comprises an electromagnetic switch, a real-time measurement element (21) of the measurement component (2) detects corresponding data in the energy storage circuit (1) in real time, and an intermittent measurement element (22) intermittently measures the corresponding data in the energy storage circuit (1) according to a set time;
the data storage component (4) comprises: detecting data for comparison in real time, outputting overvoltage data (42), output overcurrent data (43) and inductor current overcurrent data (44), and intermittent data for comparison, temperature data (43) and short-circuit detection data value (41);
the data storage component (4) and the measuring component (2) compare data through the data identification module (5).
3. The intelligent module energy storage power conversion system control device according to claim 2, wherein the data identification module (5) is in data connection with the data processing module (6), and the data processing module (6) is electrically connected with the data transmission module (7);
the data processing module (6) converts the comparison result of the data identification module (5) into control data.
4. A smart module stored energy power conversion system control device according to claim 3, wherein the protection assembly (8) comprises: the device comprises a data receiving module (81), a control switch (82) and a protection switch (83), wherein the data transmitting module (7) is connected with the data receiving module (81) through an electric signal, and the data receiving module (81) is respectively connected with the protection switch (83) and the control switch (82) through an electric signal;
the control switch (82) controls the output power of the water cooling assembly (3) and the opening and closing of the electromagnetic switch, and the protection switch (83) controls the number of the connected power supplies in the energy storage circuit (1).
5. An intelligent module energy storage power conversion system control device according to claim 2, characterized in that the real-time measuring element (21) comprises: an output overvoltage detector (213), an inductor current overcurrent detector (211), and an output overcurrent detector (212);
wherein the output overvoltage detector (213) and the output overcurrent detector (212) are respectively connected into the energy storage circuit (1), and the inductance current overcurrent detector (211) is arranged in the induction circuit.
6. The intelligent module stored energy power conversion system control device according to claim 2, wherein the intermittent measuring element (22) comprises: a short circuit detector (222) and a temperature sensor (221);
wherein, a plurality of temperature sensors (221) are respectively arranged outside the energy storage circuit (1), and a short circuit detector (222) is connected in series in the energy storage circuit (1).
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117318137A (en) * | 2023-08-18 | 2023-12-29 | 合肥开关厂有限公司 | Conversion system of intelligent power module in energy storage circuit |
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CN109217673A (en) * | 2018-11-06 | 2019-01-15 | 西安交通大学 | A kind of energy accumulation current converter and its control method |
CN112600421A (en) * | 2020-12-07 | 2021-04-02 | 深圳市蓝德汽车电源技术有限公司 | Hydrogen fuel cell DC-DC converter device and current control method |
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Patent Citations (3)
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CN103163793A (en) * | 2013-03-01 | 2013-06-19 | 中国人民解放军63983部队 | Intelligent direct current power switch |
CN109217673A (en) * | 2018-11-06 | 2019-01-15 | 西安交通大学 | A kind of energy accumulation current converter and its control method |
CN112600421A (en) * | 2020-12-07 | 2021-04-02 | 深圳市蓝德汽车电源技术有限公司 | Hydrogen fuel cell DC-DC converter device and current control method |
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