CN216146110U - Explosion-proof high-capacity backup power supply with strong heat dissipation for mine - Google Patents
Explosion-proof high-capacity backup power supply with strong heat dissipation for mine Download PDFInfo
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- CN216146110U CN216146110U CN202121277615.0U CN202121277615U CN216146110U CN 216146110 U CN216146110 U CN 216146110U CN 202121277615 U CN202121277615 U CN 202121277615U CN 216146110 U CN216146110 U CN 216146110U
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- heat dissipation
- voltage conversion
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- power supply
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 claims abstract description 72
- 238000005065 mining Methods 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001415 sodium ion Inorganic materials 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
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication 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
- 230000002779 inactivation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a strong-heat-dissipation explosion-proof high-capacity backup power supply for a mine, and belongs to an online backup power supply in the field of backup power supplies for mines. The explosion-proof system comprises a battery system, a power management system, a voltage conversion system, a heat dissipation system and an explosion-proof system, wherein the battery system is connected with the power management system and the voltage conversion system, and the power management system is connected with the voltage conversion system, the battery system and the heat dissipation system. And the explosion-proof system is connected with the battery system, the power management system, the voltage conversion system and the heat dissipation system. The number of the voltage conversion systems is two, the two voltage conversion systems are a first voltage conversion system and a second voltage conversion system respectively, the first voltage conversion system is connected with input voltage, and the second voltage conversion system is connected with a mine power load.
Description
Technical Field
The utility model relates to a strong-heat-dissipation explosion-proof high-capacity backup power supply for a mine, and belongs to an online backup power supply in the field of backup power supplies for mines.
Background
The coal industry has completed industrial automation transformation, and is deeply promoting the deep integration of informatization and industrialization. In order to ensure safe, stable and reliable operation of underground coal mine equipment and avoid reduction of working efficiency and even occurrence of safety accidents caused by unstable power utilization, the backup power supply for the mine is increasingly emphasized. 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; although modules such as a charging relay, a discharging relay, a DC/DC converter and the like are added on the basis of basic functions, the existing system does not fully consider unsafe factors such as strong heat release of the mine high-power backup power supply and poor heat dissipation caused by poor circulation of air in an explosion-proof shell, and cannot be directly applied to mine backup equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the efficiency reduction and potential safety hazard caused by temperature rise in the use of the conventional high-capacity mining backup power supply, provides a high-heat-dissipation mining explosion-proof high-capacity backup power supply and ensures the underground safe and efficient use of mining equipment.
The technical scheme adopted by the utility model for solving the problems is as follows: the mining explosion-proof high-capacity backup power supply with strong heat dissipation has the structural characteristics that: the explosion-proof system comprises a battery system, a power management system, a voltage conversion system, a heat dissipation system and an explosion-proof system, wherein the battery system is connected with the power management system and the voltage conversion system, and the power management system is connected with the voltage conversion system, the battery system and the heat dissipation system.
Furthermore, the explosion-proof system is connected with the battery system, the power management system, the voltage conversion system and the heat dissipation system.
Furthermore, the number of the voltage conversion systems is two, the two voltage conversion systems are respectively a first voltage conversion system and a second voltage conversion system, the first voltage conversion system is connected with the input voltage, and the second voltage conversion system is connected with the mine electric load.
Further, the voltage conversion system comprises one or a combination of two or more of a transformer, an alternating current-direct current module and a direct current conversion module.
Further, the first voltage conversion system comprises a transformer and an alternating current-direct current module, and the second voltage conversion system comprises a direct current conversion module.
Further, the heat dissipation system comprises a heat dissipation hardware system and an intelligent interlocking control system.
Furthermore, the heat dissipation system comprises heat dissipation channels arranged transversely and longitudinally of the battery, and the interval width of the heat dissipation channels is 1-10 mm; the bottom of the battery is in contact with a heat dissipation plate which comprises an aluminum plate or a copper plate.
Furthermore, the heat dissipation system comprises a heat dissipation aluminum plate or copper plate additionally arranged at the bottom of the transformer, the heat dissipation plate is fixed with the explosion-proof shell, and a heat conduction medium is filled in a gap between the heat dissipation plate and the explosion-proof shell.
Furthermore, the circuit board of the heat dissipation system including the power management system and the voltage conversion system adopts one of an aluminum substrate, a copper substrate or a PCB board, and is fixed with the explosion-proof housing, and a heat-conducting medium is filled in a gap between the circuit board and the explosion-proof housing.
Compared with the prior art, the utility model has the following advantages:
(1) a heat dissipation hardware system is added, and through the change of the material and the layout of the components, the key heat dissipation effect in the box body is improved, and safety accidents caused by the accumulation of heat are avoided;
(2) an intelligent interlocking control system is additionally arranged; the intelligent control of the temperature in the box body is realized through the matching of software and hardware;
(3) by additionally arranging the heat dissipation system, the preparation and the use of the high-capacity backup power supply for the mine are realized.
Drawings
FIG. 1 is a schematic structural diagram of a strong-heat-dissipation mining explosion-proof high-capacity backup power supply in an embodiment of the utility model.
In the figure: the system comprises a battery system 1, a power management system 2, a voltage conversion system 3, a heat dissipation system 4 and an explosion suppression system 5.
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.
Examples are given.
Referring to fig. 1, it should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for understanding and reading the disclosure, and are not used for limiting the conditions that the present invention can be implemented, so they have no technical essence, and any structural modifications, ratio changes or size adjustments should fall within the scope of the present invention without affecting the function and the achievable purpose of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
The mining explosion-proof high-capacity backup power supply with strong heat dissipation in the embodiment comprises a battery system 1, a power management system 2, a voltage conversion system 3, a heat dissipation system 4 and an explosion-proof system 5, wherein the battery system 1 is connected with the power management system 2 and the voltage conversion system 3, the power management system 2 is respectively connected with the voltage conversion system 3, the battery system 1 and the heat dissipation system 4, and the explosion-proof system 5 is connected with the battery system 1, the power management system 2, the voltage conversion system 3 and the heat dissipation system 4.
The number of the voltage conversion systems 3 in this embodiment is two, the two voltage conversion systems 3 are a first voltage conversion system and a second voltage conversion system respectively, the first voltage conversion system is connected with an input voltage, and the second voltage conversion system is connected with a mine power load.
In the embodiment, the mining alternating current is connected with the battery system 1 through the voltage conversion system 3, the battery system 1 is connected with the mining load through the output voltage conversion system 3, and the power management system 2 is connected with the battery system 1, each circuit element and the heat dissipation system 4.
In this embodiment, the voltage conversion system 3 includes one or a combination of two or more of a transformer, an ac-to-dc module, and a dc conversion module, the first voltage conversion system includes a transformer and an ac-to-dc module, and the second voltage conversion system includes a dc conversion module.
The heat dissipation system 4 in this embodiment includes a heat dissipation hardware system and an intelligent interlocking control system, and the intelligent interlocking control system includes an over-temperature power-off interlocking of the battery management system and an interlocking of the temperature in the power supply cavity and the charge and discharge power, and controls the temperature in the power supply explosion-proof box to be 60 ℃ or below.
The heat dissipation system 4 in this embodiment includes heat dissipation channels arranged in the transverse and longitudinal directions of the battery, and the interval width of the heat dissipation channels is 1-10 mm; the bottom of the battery is in contact with a heat dissipation plate which comprises an aluminum plate or a copper plate.
The heat dissipation system 4 in this embodiment includes a heat dissipation aluminum plate or copper plate additionally installed at the bottom of the transformer, the heat dissipation plate is fixed with the explosion-proof housing, and a heat conduction medium is filled in a gap between the heat dissipation plate and the explosion-proof housing.
In this embodiment, the heat dissipation system 4 includes the power management system 2 and the voltage conversion system 3, and the circuit board is one of an aluminum substrate, a copper substrate, or a PCB, and is fixed to the explosion-proof housing, and a heat conducting medium is filled in a gap between the circuit board and the explosion-proof housing.
The type of the battery system 1 in the present embodiment is constituted by a lithium iron phosphate battery, a lithium iron titanate battery, or a sodium ion battery, which are combined in series, and has a capacity in the range of 0.5KWh to 10 KWh.
Example 1:
a strong-heat-dissipation explosion-proof high-capacity backup power supply for a mine is mainly structurally shown in figure 1. The rated power of a backup power supply is 500W, and the backup time is 8 hours; the battery system consists of 13 sodium ion batteries with 50 AH; the input is alternating current, the voltage is 127V, the voltage is 220V after being boosted by a transformer, the alternating current is converted into direct current voltage of 45V by an alternating current-direct current conversion module to charge a battery, and the direct current voltage is converted into direct current voltage of 12V by an output voltage conversion system to supply power for a load safety alarm system. The batteries are arranged in a matrix manner, and the distance between every two batteries is 10 mm; the voltage transformer, the alternating current-direct current module and the direct current conversion module are arranged close to the bottom of the explosion-proof cavity, and heat conducting glue is coated to increase the heat dissipation effect; and the battery overtemperature and power supply cavity overtemperature power-off linkage is set, so that the safe and stable operation of the system is ensured.
Example 2:
a strong-heat-dissipation explosion-proof high-capacity backup power supply for a mine is mainly structurally shown in figure 1. The rated power of a backup power supply is 10000W, and the backup time is 2 hours; the battery system consists of 52 lithium ion cells at block 120 AH; the input is alternating current, the voltage is 660V, the voltage is 220V after being reduced by a transformer, the alternating current is converted into 187V direct current voltage through an alternating current-direct current conversion module to charge a battery, meanwhile, the direct current is converted into 128V direct current voltage through an output voltage conversion system to supply power for a load mine lower centralized control room system. The batteries are arranged in a matrix manner, and the distance between every two batteries is 1 mm; the voltage transformer, the alternating current-direct current conversion module and the direct current conversion module are designed by adopting an aluminum substrate, are arranged close to the bottom of the explosion-proof cavity and are coated with heat-conducting glue to increase the heat dissipation effect; the battery overtemperature power-off linkage and the power supply cavity overtemperature power-off linkage are set, the linkage of the temperature in the power supply cavity and the charging and discharging power of the battery is set, once the temperature in the power supply cavity approaches 60 ℃, the control system starts to work, the current-limiting operation is carried out, and the safe and stable operation of the system is ensured.
Example 3:
a strong-heat-dissipation explosion-proof high-capacity backup power supply for a mine is mainly structurally shown in figure 1. The rated power of a backup power supply is 4000W, and the backup time is 4 hours; the battery system consists of 21 60AH lithium titanate batteries; the input is alternating current, the voltage is 220V, the alternating current is directly converted into 80V direct current voltage through an alternating current-direct current conversion module to charge a battery, meanwhile, the direct current voltage is converted into 48V direct current voltage through an output voltage conversion system to supply power to a network switch under a load mine. The batteries are arranged in a matrix manner, and the distance between every two batteries is 5 mm; the transformer, the alternating current-direct current module and the direct current conversion module are designed by adopting copper substrates, are arranged close to the bottom of the explosion-proof cavity and are coated with heat-conducting glue to increase the heat dissipation effect; the battery overtemperature power-off linkage and the power supply cavity overtemperature power-off linkage are set, the linkage of the temperature in the power supply cavity and the charging and discharging power of the battery is set, once the temperature in the power supply cavity approaches 60 ℃, the control system starts to work, the current-limiting operation is carried out, and the safe and stable operation of the system is ensured.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides a strong radiating mining flame-proof high capacity back-up source which characterized in that: the mine explosion suppression device comprises a battery system (1), a power management system (2), a voltage conversion system (3), a heat dissipation system (4) and an explosion suppression system (5), wherein the battery system (1) is connected with the power management system (2) and the voltage conversion system (3), the power management system (2) is connected with the voltage conversion system (3), the battery system (1) and the heat dissipation system (4), the explosion suppression system (5) is connected with the battery system (1), the power management system (2), the voltage conversion system (3) and the heat dissipation system (4), the number of the voltage conversion systems (3) is two, the two voltage conversion systems (3) are respectively a first voltage conversion system and a second voltage conversion system, the first voltage conversion system is connected with input voltage, and the second voltage conversion system is connected with a mine power load.
2. The mining explosion-proof high-capacity backup power supply with strong heat dissipation according to claim 1, characterized in that: the voltage conversion system (3) comprises one or a combination of two or more of a transformer, an alternating current-direct current module and a direct current conversion module.
3. The mining explosion-proof high-capacity backup power supply with strong heat dissipation according to claim 2, characterized in that: the first voltage conversion system comprises a transformer and an alternating current-to-direct current module, and the second voltage conversion system comprises a direct current conversion module.
4. The mining explosion-proof high-capacity backup power supply with strong heat dissipation according to claim 1, characterized in that: the heat dissipation system (4) comprises a heat dissipation hardware system and an intelligent interlocking management and control system.
5. The mining explosion-proof high-capacity backup power supply with strong heat dissipation according to claim 1, characterized in that: the heat dissipation system (4) comprises heat dissipation channels arranged transversely and longitudinally of the battery, and the interval width of the heat dissipation channels is 1-10 mm; the bottom of the battery is in contact with a heat dissipation plate which comprises an aluminum plate or a copper plate.
6. The mining explosion-proof high-capacity backup power supply with strong heat dissipation according to claim 5, characterized in that: the heat dissipation system (4) comprises a heat dissipation aluminum plate or copper plate additionally arranged at the bottom of the transformer, the heat dissipation plate is fixed with the explosion-proof shell, and a heat conduction medium is filled in a gap between the heat dissipation plate and the explosion-proof shell.
7. The mining explosion-proof high-capacity backup power supply with strong heat dissipation according to claim 1, characterized in that: the heat dissipation system (4) comprises a power management system (2) and a voltage conversion system (3), wherein a circuit board of the power management system or the voltage conversion system is one of an aluminum substrate, a copper substrate or a PCB, and is fixed with the explosion-proof shell, and a heat-conducting medium is filled in a gap between the circuit board and the explosion-proof shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121277615.0U CN216146110U (en) | 2021-06-08 | 2021-06-08 | Explosion-proof high-capacity backup power supply with strong heat dissipation for mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121277615.0U CN216146110U (en) | 2021-06-08 | 2021-06-08 | Explosion-proof high-capacity backup power supply with strong heat dissipation for mine |
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| Publication Number | Publication Date |
|---|---|
| CN216146110U true CN216146110U (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121277615.0U Active CN216146110U (en) | 2021-06-08 | 2021-06-08 | Explosion-proof high-capacity backup power supply with strong heat dissipation for mine |
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| Country | Link |
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| CN (1) | CN216146110U (en) |
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2021
- 2021-06-08 CN CN202121277615.0U patent/CN216146110U/en active Active
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