CN113541296A - Explosion-proof mining 5G online backup power supply - Google Patents
Explosion-proof mining 5G online backup power supply Download PDFInfo
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- CN113541296A CN113541296A CN202110603137.6A CN202110603137A CN113541296A CN 113541296 A CN113541296 A CN 113541296A CN 202110603137 A CN202110603137 A CN 202110603137A CN 113541296 A CN113541296 A CN 113541296A
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- 238000005065 mining Methods 0.000 title claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 238000007791 dehumidification Methods 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- 239000002274 desiccant Substances 0.000 claims description 5
- 239000002808 molecular sieve Substances 0.000 claims description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 235000012255 calcium oxide Nutrition 0.000 claims description 4
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 229910001415 sodium ion Inorganic materials 0.000 claims description 4
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a flame-proof type mining 5G online backup power supply, which relates to the technical field of mining backup power supplies and comprises a battery system, a battery management system, a voltage transformation system, a temperature management system, a dehumidification system, a flame-proof system and a power supply management system; the voltage conversion system comprises an input voltage conversion module and an output voltage conversion module, the mining power supply is connected with the battery system through the input voltage conversion module, the battery system is connected with the 5G equipment through the output voltage change module, the battery system is connected with the battery management system, and the power management system is connected with the battery management system, the voltage conversion system, the temperature management system, the dehumidification system and the 5G equipment. The invention not only realizes the preparation and the use of the high-power wide-voltage input/output backup power supply, but also improves the safety and the reliability of the system and the service life of the battery through the intelligent management of the temperature, the humidity and the system.
Description
Technical Field
The invention relates to the technical field of backup power supplies for mines, in particular to an explosion-proof online backup power supply matched with 5G equipment for mines.
Background
The coal industry has completed industrial automation transformation, and is deeply promoting the deep integration of informatization and industrialization. The future coal mine standardized construction foothold is bound to be a safe, environment-friendly and efficient intelligent route. The goal of coal mine intelligent development is to enter a stage of building an intelligent coal mine, and a 5G + Internet of things technology, automatic control, edge computing, artificial intelligence, cloud computing, big data and the like are integrated with a modern mine development technology through coal mine main body system intelligence. The mining 5G networking equipment mainly comprises a micro base station, a pico base station and a femto base station, and an online backup power supply is important equipment of each level of base station and guarantees safe and stable operation of a 5G system. 5G basically has the required power within the range of 100-10000W according to the type of the base station. The traditional backup power source for mining is mainly used for applying safe communication, usually adopts a low-power nickel-metal hydride battery and a lead-acid battery, has the problems of low power, quick battery inactivation and the like, and cannot be directly used as a 5G backup power source for mining. In recent years, with the development of new energy vehicles and large-scale energy storage, the lithium ion battery industry rapidly shows that the lithium ion battery industry has been widely applied in various fields such as electronic products, electric tools, uninterruptible power supplies, electric bicycles, electric vehicles and the like, and there is a report that the lithium ion battery is adopted as a backup power source for mines at present. For example, patent CN 204144999 explosion-proof uninterruptible power supply for mining only describes the basic constitution of the backup power supply: the device comprises a sealing box, a transformer, a power supply host and a rechargeable battery system, wherein a nickel-hydrogen battery is adopted; patent application CN 110994757A is a mining flame-proof type lithium ion battery power supply, though modules such as charging relay, discharging relay and DC/DC converter have been increased on basic function basis, current system all do not fully consider the strong heat release of high power back-up power under the ore, the air in the explosion-proof casing is not circulated and is led to the heat dissipation not smooth, the influence of humid environment to the battery and 5G equipment can appear unsafe factor such as super temperature, can not directly be applied to mining 5G equipment.
Disclosure of Invention
The invention aims to solve the problems of low power, equipment temperature and humidity management loss and the like of the conventional mine backup power supply, and provides an explosion-proof mine 5G online backup power supply to ensure the underground safe and efficient use of the mine 5G equipment.
The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides a mining 5G online backup power of flame-proof type which characterized in that: the system comprises a battery system, a battery management system, a voltage conversion system, a temperature management system, a dehumidification system, an explosion suppression system and a power supply management system; the mining power supply is connected with a battery system through the input voltage conversion module, the battery system is connected with 5G equipment through the output voltage change module, the battery system is connected with a battery management system, and the power management system is connected with the battery management system, the voltage conversion system, the temperature management system, the dehumidification system and the 5G equipment.
Further, the battery system is mainly formed by a lithium iron phosphate battery, a lithium iron titanate battery or a sodium ion battery through series combination, the power of the battery system is 100-4000W, and the power standby time is 1-10 hours.
Further, the input voltage range of the mining power supply is 80-800V, and the output direct-current voltage range is 12-127V.
Furthermore, the temperature management system comprises a heat dissipation module and a power supply interlocking module, wherein the heat dissipation module arranges the battery system and the battery management system close to the wall, and a heat conduction channel is added; the power supply interlocking module interlocks the temperature in the power supply cavity and the charging and discharging power and controls the temperature in the power supply explosion-proof box to be 60 ℃ or below.
Furthermore, a desiccant is placed in the power supply explosion-proof box of the dehumidification system, and the desiccant is one or a plurality of combinations of silica gel, quicklime, activated carbon or molecular sieves.
Furthermore, the power management system comprises battery charging and discharging management, battery capacity balance management, battery safety early warning and power supply temperature linkage, wherein the power supply temperature linkage is linkage control of the temperature of the backup power supply system and the 5G equipment.
When the mining power supply is used, under the normal power supply state of the mining power supply, the mining power supply directly provides power for 5G equipment after voltage conversion, and a backup power supply battery is synchronously charged; when the power failure state of the mining power supply occurs, the battery management system switches the battery system to supply power to the downstream 5G equipment within 100 ms.
Compared with the prior art, the invention has the following advantages and effects:
(1) the temperature control requirement of the mining high-power backup power supply is met, the temperature management system is added, the problem of overhigh temperature of the mining power supply is solved through component design, temperature control linkage and the like, and the temperature in the power supply explosion-proof box is controllable.
(2) Aiming at the difficult problems of high mine humidity and quick inactivation of the battery core, a dehumidification system is added, and the service life of the battery is prolonged.
(3) And a power supply management system is arranged to realize the interlocking control of the inside of the backup power supply and the interlocking control of the downstream load 5G equipment, so that the safe and stable operation of the system is ensured.
(4) The preparation of the high-power wide-voltage input and output backup power supply is realized.
Drawings
Fig. 1 is a schematic diagram of a backup power supply according to the present invention.
In the figure: the system comprises a battery system 1, a battery management system 2, a voltage conversion system 3, a temperature management system 4, a dehumidification system 5, an explosion suppression system 6 and a power management system 7.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Example 1.
Referring to fig. 1, in this embodiment, a flameproof mining 5G online backup power supply includes a battery system 1, a battery management system 2, a voltage conversion system 3, a temperature management system 4, a dehumidification system 5, a flameproof system 6, and a power management system 7; the voltage conversion system 3 comprises an input voltage conversion module and an output voltage conversion module, the mining power supply is connected with the battery system 1 through the input voltage conversion module, the battery system 1 is connected with the 5G equipment through the output voltage change module, the battery system 1 is connected with the battery management system 2, and the power supply management system 7 is connected with the battery management system 2, the voltage conversion system 3, the temperature management system 4, the dehumidification system 5 and the 5G equipment.
Specifically, the battery system 1 is mainly formed by a lithium iron phosphate battery, a lithium iron titanate battery or a sodium ion battery through series combination, the power of the battery system 1 is 100-4000W, and the power standby time is 1-10 hours. The input voltage range of the mining power supply is 80-800V, and the output direct-current voltage range is 12-127V. The temperature management system 4 comprises a heat dissipation module and a power supply interlocking module, wherein the heat dissipation module arranges the battery system 1 and the battery management system 2 close to the wall, and adds a heat conduction channel and the like; the power supply interlocking module interlocks the temperature in the power supply cavity and the charging and discharging power and controls the temperature in the power supply explosion-proof box to be 60 ℃ or below. The dehumidification system 5 is characterized in that a drying agent is placed in the power supply explosion-proof box, and the drying agent is one or a combination of silica gel, quicklime, activated carbon or a molecular sieve. The power management system 7 comprises battery charging and discharging management, battery capacity balance management, battery safety early warning and power supply temperature linkage, wherein the power supply temperature linkage is linkage control of the temperature of the backup power supply system and the temperature of the 5G equipment.
When the mining power supply is used, under the normal power supply state of the mining power supply, the mining power supply directly provides power for 5G equipment after voltage conversion, and a backup power supply battery is synchronously charged; when the power failure state of the mining power supply occurs, the battery management system 2 switches the battery system 1 to supply power to the downstream 5G equipment within not more than 100 ms.
Example 2.
In the embodiment, the 5G online backup power source for the explosion-proof mine has the rated power of 100W and the backup time of 8 hours; the battery system 1 consists of 13 sodium ion batteries of 20 AH; the input is alternating current, the voltage is 127V, the direct current voltage is converted into 40V through the input voltage conversion module to charge the battery, and the direct current voltage is converted into 12V through the output voltage conversion module to supply power to the load femto station; the temperature management system 4 is mainly used for arranging the voltage conversion system 3 close to the bottom of the explosion-proof cavity and coating heat-conducting glue to increase the heat dissipation effect; the temperature management system 4 is mainly characterized in that a moisture absorption bag mixed by active carbon and a molecular sieve is placed in the battery explosion-proof bin, and the humidity in the battery cavity is controlled to be lower than 60%; the power management system 7 comprises battery charging and discharging management, battery capacity balance management, battery safety early warning and power supply temperature linkage, particularly the 5G equipment temperature measuring point is associated with a backup power management system, once the 5G equipment running temperature exceeds 60 ℃, a power supply is automatically switched off, and the over-temperature protection of a load is realized. The system is applied to power supply of the mining 5G equipment femto base station, and 20ms switching of the backup power supply is realized.
Example 3.
In the embodiment, the explosion-proof mining 5G online backup power supply has the rated power of 500W and the backup time of 4 hours; the battery system 1 is composed of 13 pieces of 50AH lithium iron phosphate; the input is alternating current, the voltage is 220V, the direct current voltage of 42V is converted by the input voltage conversion module to charge the battery, and meanwhile, the direct current voltage of 48V is converted by the output voltage conversion module to supply power to the load pico base station; the temperature management system 4 is mainly used for arranging the voltage conversion system 3 close to the bottom of the explosion-proof cavity and coating heat-conducting glue to increase the heat dissipation effect, the linkage between the input voltage conversion module and the battery BMS charging management system is increased due to the increase of power, once the input voltage conversion module exceeds 70 ℃, the battery charging system is cut off within 100ms, and the online floating charging function is automatically recovered when the temperature is reduced to 50 ℃; the temperature management system 4 is mainly characterized in that a moisture absorption bag mixed by silica gel and a molecular sieve is placed in the battery explosion-proof bin, a detection instrument is arranged, and once the humidity in the cavity exceeds 80%, the system automatically alarms to prompt the replacement of the moisture absorption bag; the power management system 7 comprises battery charging and discharging management, battery capacity balance management, battery safety early warning and power supply temperature interlocking, if the battery capacity is lower than 70% of rated capacity, a system alarm prompts to carry out system maintenance, the 5G equipment temperature measuring point is associated with the backup power management system, once the 5G equipment operating temperature exceeds 60 ℃, the power supply is automatically switched off, and over-temperature protection of the load is realized. The system is applied to power supply of the mining 5G equipment micro base station, and 50ms switching of the backup power supply is realized.
Example 4.
In the embodiment, the 5G online backup power source for the explosion-proof mine has the rated power of 4000W and the backup time of 2 hours; the battery system 1 consists of 34 pieces of 100AH lithium titanate batteries; the input is alternating current, voltage 220V, is converted into 82V direct current voltage through the input voltage conversion module to charge the battery, and is converted into 127V direct current voltage through the output voltage conversion module to supply power to an industrial personal computer matched with the 5G equipment. The temperature management system 4 is mainly used for enabling the voltage conversion system 3 to be arranged close to the bottom of the explosion-proof cavity, coating heat-conducting glue to increase the heat dissipation effect, increasing the linkage of the input voltage conversion module and the battery BMS charging management system, cutting off the battery charging system within 100ms once the input voltage conversion module exceeds 60 ℃, and automatically recovering the online floating charging function after the temperature is reduced to 50 ℃. The temperature management system 4 is mainly characterized in that a moisture absorption bag mixed by quicklime and activated carbon is placed in a battery explosion-proof bin, a detection instrument is arranged, and once the humidity in a cavity exceeds 80%, the system automatically alarms to prompt the replacement of the moisture absorption bag. The power management system 7 comprises battery charging and discharging management, battery capacity balance management, battery safety early warning and power supply temperature interlocking, and if the battery capacity is lower than 70% of rated capacity, the system alarms and prompts to carry out system maintenance; the battery management system 2 is provided with a battery regular charging and discharging self-checking function, and once the battery is found to be out of order through self-checking, the system is checked or directly switched out through alarm prompt; the temperature measuring point of the industrial personal computer matched with the 5G equipment is associated with the standby power management system, once the operating temperature of the industrial personal computer matched with the 5G equipment exceeds 60 ℃, the power supply is automatically switched off, and the over-temperature protection of the load is realized. The system is applied to power supply of an industrial personal computer matched with 5G equipment for mining, and 30ms switching of a backup power supply is realized.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a mining 5G online backup power of flame-proof type which characterized in that: the system comprises a battery system (1), a battery management system (2), a voltage conversion system (3), a temperature management system (4), a dehumidification system (5), an explosion suppression system (6) and a power management system (7); the mining power supply is connected with the battery system (1) through the input voltage conversion module, the battery system (1) is connected with the 5G equipment through the output voltage change module, the battery system (1) is connected with the battery management system (2), and the power management system (7) is connected with the battery management system (2), the voltage conversion system (3), the temperature management system (4), the dehumidification system (5) and the 5G equipment.
2. The explosion-proof mining 5G online backup power supply according to claim 1, characterized in that: the battery system (1) is mainly formed by a lithium iron phosphate battery, a lithium iron titanate battery or a sodium ion battery through series combination, the power of the battery system (1) is 100-4000W, and the power standby time is 1-10 hours.
3. The explosion-proof mining 5G online backup power supply according to claim 1, characterized in that: the input voltage range of the mining power supply is 80-800V, and the output direct-current voltage range is 12-127V.
4. The explosion-proof mining 5G online backup power supply according to claim 1, characterized in that: the temperature management system (4) comprises a heat dissipation module and a power supply interlocking module, wherein the heat dissipation module arranges the battery system (1) and the battery management system (2) close to the wall and increases a heat conduction channel; the power supply interlocking module interlocks the temperature in the power supply cavity and the charging and discharging power and controls the temperature in the power supply explosion-proof box to be 60 ℃ or below.
5. The explosion-proof mining 5G online backup power supply according to claim 1, characterized in that: and a desiccant is placed in the power supply explosion-proof box by the dehumidification system (5), and is one or a plurality of combinations of silica gel, quicklime, activated carbon or molecular sieves.
6. The explosion-proof mining 5G online backup power supply according to claim 1, characterized in that: the power management system (7) comprises battery charging and discharging management, battery capacity balance management, battery safety early warning and power supply temperature linkage, wherein the power supply temperature linkage is linkage control of the temperature of the backup power supply system and the temperature of the 5G equipment.
7. The explosion-proof mining 5G online backup power supply according to any one of claims 1-6, characterized in that: when the mining power supply is used, under the normal power supply state of the mining power supply, the mining power supply directly provides power for 5G equipment after voltage conversion, and a backup power supply battery is synchronously charged; when the power failure state of the mining power supply occurs, the battery management system (2) switches the battery system (1) to supply power to the downstream 5G equipment within 100 ms.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110603137.6A CN113541296A (en) | 2021-05-31 | 2021-05-31 | Explosion-proof mining 5G online backup power supply |
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| CN202110603137.6A CN113541296A (en) | 2021-05-31 | 2021-05-31 | Explosion-proof mining 5G online backup power supply |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307035A (en) * | 2011-09-08 | 2012-01-04 | 山东科技大学 | Novel management and control system of mining lithium iron phosphate direct current series excitation chopping speed regulation electric locomotive |
| CN104333232A (en) * | 2014-09-20 | 2015-02-04 | 武汉瑞源电力设备有限公司 | Mining explosion suppression type intelligent integrated power supply apparatus |
| CN104460736A (en) * | 2014-12-30 | 2015-03-25 | 天地（常州）自动化股份有限公司 | Humidity control device in mine explosion-proof equipment |
| CN212115695U (en) * | 2020-01-15 | 2020-12-08 | 陕西新汇华数字科技有限公司 | Mining explosion-proof and intrinsic safety type 5G wireless base station |
-
2021
- 2021-05-31 CN CN202110603137.6A patent/CN113541296A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307035A (en) * | 2011-09-08 | 2012-01-04 | 山东科技大学 | Novel management and control system of mining lithium iron phosphate direct current series excitation chopping speed regulation electric locomotive |
| CN104333232A (en) * | 2014-09-20 | 2015-02-04 | 武汉瑞源电力设备有限公司 | Mining explosion suppression type intelligent integrated power supply apparatus |
| CN104460736A (en) * | 2014-12-30 | 2015-03-25 | 天地（常州）自动化股份有限公司 | Humidity control device in mine explosion-proof equipment |
| CN212115695U (en) * | 2020-01-15 | 2020-12-08 | 陕西新汇华数字科技有限公司 | Mining explosion-proof and intrinsic safety type 5G wireless base station |
Non-Patent Citations (1)
| Title |
|---|
| 马龙: "5G设备煤矿井下电源供电技术", 《煤矿安全》, vol. 51, no. 5, pages 111 - 113 * |
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Application publication date: 20211022 |
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