CN209822717U - Battery switch box suitable for double-backup lithium iron phosphate battery pack system - Google Patents
Battery switch box suitable for double-backup lithium iron phosphate battery pack system Download PDFInfo
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- CN209822717U CN209822717U CN201920667019.XU CN201920667019U CN209822717U CN 209822717 U CN209822717 U CN 209822717U CN 201920667019 U CN201920667019 U CN 201920667019U CN 209822717 U CN209822717 U CN 209822717U
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- circuit breaker
- battery
- battery pack
- negative electrode
- ups
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- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model provides a battery switch box suitable for two backup lithium iron phosphate battery pack systems contains: a housing; the first circuit breaker and the second circuit breaker are arranged in the shell, the charging and discharging of the UPS to the first set of battery pack are controlled through the first circuit breaker, and the charging and discharging of the UPS to the backup battery pack are controlled through the second circuit breaker; the first wiring terminal row is arranged in the shell and is electrically connected with the double-backup lithium iron phosphate battery pack system; the second wiring terminal row is arranged in the shell and is electrically connected with the UPS; the connecting copper bar is connected with a plurality of first connecting terminal row and a second connecting terminal row of the first circuit breaker and a second circuit breaker. The utility model discloses steerable double backup lithium iron phosphate battery system switches on with UPS, convenient to use, and the security performance is high.
Description
Technical Field
The utility model relates to a battery switch box, in particular to battery switch box suitable for two backup lithium iron phosphate battery pack systems.
Background
Compared with a lead-acid battery, the lithium iron phosphate battery for the aerospace power supply is mainly characterized by small volume, light weight, strong environmental adaptability, no pollution and long service life. The lithium iron phosphate battery pack product of the aerospace power supply is applied to the fields of large-scale energy storage systems, photovoltaic energy storage systems, household energy storage systems and the like besides an orbital transfer line UPS complete power supply system, a direct-current screen complete power supply system and a shielding door complete system. The iron phosphate lithium battery pack system of the aerospace power supply adopts the design of integrating with an aerospace TS series UPS, is provided with an intelligent battery pack management system, can perform information interaction with the UPS, performs real-time monitoring on the battery state, performs whole-course protection on the charging and discharging process, ensures the reliability of the storage battery on the whole, greatly improves the service efficiency of the battery, and prolongs the service life of the battery.
At present, in an aerospace power supply system, in order to prevent accidents such as battery pack system faults and short circuits, the application of a double-backup lithium iron phosphate battery pack is more and more common. The dual-backup lithium iron phosphate battery pack system is usually placed in a standard cabinet and integrated with the standard cabinet. The double-backup lithium iron phosphate battery pack system is composed of two sets of same battery packs, the two sets of same battery packs are respectively and independently hung under two modularized UPS to work, and each set of battery pack comprises an anode battery pack and a cathode battery pack. When one battery pack has faults, maintenance personnel remove the faulty battery pack to perform maintenance work, the other battery pack still works normally, and the repaired battery pack can be put into operation again.
The battery switch box suitable for the double-backup lithium iron phosphate battery pack system is designed and developed, so that the double-backup lithium iron phosphate battery pack system is convenient to maintain and debug, and the problem which needs to be solved at present is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery switch box suitable for two backup lithium iron phosphate battery pack systems. The double-backup lithium iron phosphate battery pack system comprises two sets of battery packs, wherein the first set of battery pack comprises a first anode battery pack and a first cathode battery pack which are electrically connected, and the second set of battery pack comprises a second anode battery pack and a second cathode battery pack which are electrically connected. Through the utility model discloses, conveniently select any one set of group to the UPS power supply from the dual-backup lithium iron phosphate group system, one set of group that can conveniently cut off the trouble simultaneously is in order to maintain and debug.
In order to achieve the above object, the utility model provides a battery switch box suitable for dual-backup lithium iron phosphate battery pack system contains:
the shell is placed in the cabinet type rack, is in a rectangular box shape and is hollow inside; the shell comprises a shell bottom plate, two shell side plates, a rear panel, a shell upper cover and a front panel;
the same first circuit breaker and the same second circuit breaker are fixedly arranged at the two ends of the rear panel; the first circuit breaker operating handle and the second circuit breaker operating handle are respectively arranged at two ends of the front panel in a penetrating way and extend out of the shell; the first circuit breaker is electrically connected with the UPS, the first positive battery pack and the first negative battery pack; the UPS is controlled to charge and discharge the first anode battery pack and the first cathode battery pack through the first circuit breaker; the second circuit breaker is electrically connected with the UPS, the second anode battery pack and the second cathode battery pack; the UPS is controlled to charge and discharge the second anode battery pack and the second cathode battery pack through the second circuit breaker;
the first wiring terminal block is fixedly arranged in the middle of the rear panel and penetrates through the rear panel to extend out of the shell; the first wiring terminal row is positioned between the first circuit breaker and the second circuit breaker; the first positive battery pack, the first negative battery pack, the second positive battery pack and the second negative battery pack are electrically connected through the first wiring terminal row;
the second wiring terminal row is fixedly arranged in the middle of the rear panel, penetrates through the front panel and extends out of the shell; the second wiring terminal row is positioned between the first circuit breaker and the second circuit breaker and below the first wiring terminal row; the second wiring terminal is electrically connected with the UPS;
the connecting copper bar is connected with the first connecting terminal row and the second connecting terminal row of the first circuit breaker and the second circuit breaker.
The first circuit breaker and the second circuit breaker are both 3P type circuit breakers; the upper end of the first breaker is provided with three wire inlets L11 is on、L12 to、L13 is onThe lower end of the first breaker is provided with three wire outlets L11 is lower、L12 is below、L13 is below(ii) a The upper end of the second circuit breaker is provided with three wire inlets L21 to、L22 is on、L23 toThe lower end of the second breaker is provided with three wire outlets L21 is below、L22 is below、LUnder 23。
The first wiring terminal row comprises eight through-type wiring terminals which are arranged in sequence and are respectively D1～D8A wiring terminal; the second terminalThe sub-row comprises three through type wiring terminals arranged in sequence, D9～D11A wiring terminal; d1、D9Position corresponding to the first circuit breaker, D8、D11The position corresponds to a second circuit breaker; wherein D1Electrically connected to the positive electrode of the first positive electrode battery, D2Electrically connected to the negative electrode of the first positive electrode battery, D3Electrically connected to the positive electrode of the first negative electrode battery, D4The negative electrode is electrically connected with the first negative electrode battery pack; d5Electrically connected to the positive electrode of the second positive electrode battery, D6Electrically connected to the negative electrode of the second positive electrode battery, D7Electrically connected to the positive electrode of the second negative electrode battery, D8The negative electrode is electrically connected with the second negative electrode battery pack; d9、D10、D11Respectively connected with the anode, the N pole and the cathode of the UPS.
The battery switch box applicable to the double-backup lithium iron phosphate battery pack system specifically comprises a T1～T9Nine connecting copper bars are arranged, and the nine connecting copper bars do not interfere with each other; through T1Electric connection D1And L11 is lower(ii) a Through T2Electric connection L11 is on、L12 to(ii) a Through T3Electric connection L13 is on、D4(ii) a Through T4Electric connection D2、D3、D6、D7、D10(ii) a Through T5Electric connection D8、L23 to(ii) a Through T6Electric connection L13 is below、L11 is on、L11 is lower(ii) a Through T7Electric connection L12 is below、D9、L22 is below(ii) a Through T8Electric connection L13 is below、D11、LUnder 23(ii) a Through T9Electric connection D5And L21 is below。
The battery switch box suitable for the double-backup lithium iron phosphate battery pack system comprises a first circuit which is electrically connected; the first loop comprises a UPS anode and a D which are connected in series in sequence9、L12 is below、L12 to、L11 is on、L11 is lower、D1A first positive electrode cellGroup anode, first anode battery group cathode, D2、D3A positive electrode of the first negative electrode battery, a negative electrode of the first negative electrode battery, and D4、L13 is on、L13 is below、D11A UPS negative electrode; the first circuit breaker is used for controlling the on-off of the first loop, so that the UPS is controlled to charge and discharge the first anode battery pack and the first cathode battery pack.
The battery switch box suitable for the double-backup lithium iron phosphate battery pack system comprises a second loop which is electrically connected; the second loop comprises a UPS anode and a D connected in series in sequence9、L22 is below、L22 is on、L21 to、L21 is below、D5A positive electrode of a second positive electrode battery, a negative electrode of the second positive electrode battery, D6、D7A positive electrode of a second negative electrode battery, a negative electrode of the second negative electrode battery, D8、L23 to、LUnder 23、D11A UPS negative electrode; and the second circuit breaker is used for controlling the on-off of the second loop, so that the UPS is controlled to charge and discharge the second anode battery pack and the second cathode battery pack.
The battery switch box suitable for the double-backup lithium iron phosphate battery pack system further comprises two identical circuit breaker supports, and one circuit breaker support is arranged between the first circuit breaker and the rear panel and between the second circuit breaker and the rear panel; the first circuit breaker and the second circuit breaker are installed on the rear panel through two circuit breaker supports.
The battery switch box suitable for the double-backup lithium iron phosphate battery pack system further comprises a third bracket and a fourth bracket; the third support is fixedly connected between the first wiring terminal row and the rear panel, and the first wiring terminal row is installed on the rear panel through the third support; the fourth support is fixedly connected between the second wiring terminal strip and the rear panel, and the second wiring terminal strip is installed on the rear panel through the fourth support.
The rear panel is also provided with a first opening which is used for connecting a copper bar T4、T7、T8The mounting hole is mounted in the second wiring terminal row; the first opening and the second connecting terminalThe row positions correspond.
The battery switch box suitable for the double-backup lithium iron phosphate battery pack system further comprises a double-sided protective coil matched with the first opening, and the first opening is sealed through the double-sided mutual coil.
Compared with the prior art, the utility model has the advantages that:
the device can be used for quickly cutting off a set of battery pack needing to be maintained in a double-backup lithium iron phosphate battery pack system, so that the personal safety of workers is protected; and can be used for selecting any set of battery pack in a double-backup lithium iron phosphate battery pack system to supply power to a load through the UPS. The utility model discloses the operation is reliable, through adopting the copper bar to connect binding post's mode, satisfies technical index requirements such as current-carrying capacity, electrically conductive, heat dissipation when saving installation space.
Drawings
In order to illustrate the technical solution of the present invention more clearly, the drawings needed for the description will be briefly introduced below, and it is obvious that the drawings in the following description are an embodiment of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to these drawings:
fig. 1 is a schematic diagram of a battery switch box and a dual-backup lithium iron phosphate battery pack system according to the present invention placed in a cabinet;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the front panel of the present invention;
FIG. 4 is a schematic view of the rear panel of the present invention;
fig. 5 is a side view of the circuit breaker support connected to the rear panel in an embodiment of the present invention;
fig. 6 is a schematic diagram of a circuit breaker support in an embodiment of the present invention;
fig. 7 is a side view of a fourth fixing bracket connected to a rear panel according to an embodiment of the present invention;
fig. 8 is a schematic view of a fourth fixing bracket according to an embodiment of the present invention;
fig. 9 is a schematic view of a first terminal block according to the present invention;
fig. 10 is a schematic view of a second terminal block of the present invention;
fig. 11 to 19 show the connection copper bar T of the present invention1～T9A schematic diagram;
in the figure: 1. a battery switch box; 11. a front panel; 12. a first opening; 13. a rear panel;
21. a first circuit breaker; 22. a second circuit breaker; 23. a circuit breaker cradle; 24. a circuit breaker cradle horizontal section; 25. a circuit breaker cradle longitudinal section; 26. a circuit breaker cradle connection;
31. a first terminal block; 32. a second terminal block; 34. a fourth bracket; 341. a fourth stent first segment; 342. a fourth stent second section; 343. a fourth stent third segment; 35. a first terminal block mounting position; 36. a second terminal block mounting position; 37. a circuit breaker cradle mounting location;
41. a first positive electrode battery; 42. a first negative electrode battery; 43. a second positive electrode battery; 44. a second negative electrode battery;
T1～T9connecting the copper bar;
D1～D11and a connecting terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the dual-backup lithium iron phosphate battery system includes two sets of battery packs, the first set of battery pack includes a first positive battery pack 41 and a first negative battery pack 42 which are electrically connected, and the second set of battery pack includes a second positive battery pack 43 and a second negative battery pack 44 which are electrically connected. The utility model provides a battery switch box suitable for dual-backup lithium iron phosphate battery pack system places together in standardized rack with dual-backup lithium iron phosphate battery pack system.
As shown in fig. 2, the battery switch box suitable for the dual-backup lithium iron phosphate battery pack system of the present invention comprises: a housing, a first and a second identical circuit breaker 21, 22, a first terminal strip 31, a second terminal strip 32, nine connecting copper bars (T respectively)1～T9) Two identical circuit breaker cradle 23, a third cradle, a fourth cradle 34, a double-sided protective coil.
The shell is placed in the cabinet type rack, is in a cuboid box shape and is hollow inside. The shell comprises a shell bottom plate, two shell side plates, a rear panel 13, a shell upper cover and a front panel 11. Preferably, the utility model discloses a casing material is Q235B iron, and casing thickness is 1.2mm, highly is 4U, is fit for installing in the 19 inch rack the inside of standard, constitutes integrated design with two backup lithium iron phosphate battery group systems.
As shown in fig. 2, 3 and 4, the first circuit breaker 21 and the second circuit breaker 22 are both fixedly disposed at two ends of the rear panel. As shown in fig. 3, the first circuit breaker operating handle and the second circuit breaker operating handle are respectively arranged at two ends of the front panel in a penetrating manner and extend out of the shell. As shown in fig. 2, the first circuit breaker 21 and the second circuit breaker 22 are both 3P type circuit breakers; the upper end of the first breaker is provided with three wire inlets L11 is on、L12 to、L13 is onThe lower end of the first breaker is provided with three wire outlets L11 is lower、L12 is below、L13 is below(ii) a The upper end of the second circuit breaker is provided with three wire inlets L21 to、L22 is on、L23 toThe lower end of the second breaker is provided with three wire outlets L21 is below、L22 is below、LUnder 23。
A circuit breaker bracket 23 is respectively arranged between the first circuit breaker 21 and the rear panel 13 and between the second circuit breaker 22 and the rear panel 13; the circuit breaker cradle mounting location 37 is shown in figure 4. The first and second circuit breakers 21 and 22 are mounted on the rear panel 13 via two breaker holders 23. In the utility model discloses an in the application embodiment, as shown in fig. 5, fig. 6, circuit breaker support 23 contains two the same L-shaped circuit breaker support connecting pieces 26, bends two circuit breaker support horizontal segments 24 and the vertical section 25 of a circuit breaker support that forms by the rectangle sheet metal component. The two horizontal sections 24 of the circuit breaker support are oppositely and parallelly arranged at two ends of the longitudinal section of the circuit breaker support. Two L-shaped circuit breaker cradle connectors 26 are provided on either side of the longitudinal section of the circuit breaker cradle. The top of one side of the L-shaped breaker support connecting piece is connected with the longitudinal section 25 of the breaker support, and the other side of the L-shaped breaker support connecting piece is connected with the rear panel 13.
The first terminal block mounting location 35 is shown in fig. 4. The first wiring terminal block 31 is fixedly arranged in the middle of the rear panel and penetrates through the rear panel 13 to extend out of the shell; the first terminal block 31 is located between the first breaker 21 and the second breaker 22. Preferably, as shown in fig. 9, the first terminal row 31 is DSTB60-08, and includes eight through terminals D arranged in sequence1～D8And a terminal. As shown in fig. 9, the first terminal strip 31 includes two portions A, B that are conducted up and down, a portion a of the first terminal strip 31 penetrates the rear panel 13 for connecting a bus of the dual-backup lithium iron phosphate battery pack system, and a portion B of the first terminal strip 31 is used for connecting the connecting copper bar. Wherein D1Electrically connected to the positive electrode of the first positive electrode battery 41, D2Electrically connected to the negative electrode of the first positive electrode battery 41, D3Electrically connected to the positive electrode of the first negative electrode battery 42, D4Electrically connected to the negative electrode of the first negative electrode cell group 42; d5Electrically connected to the positive electrode of the second positive electrode cell group 43, D6Electrically connected to the negative electrode of the second positive electrode cell group 43, D7Electrically connected to the positive electrode of the second negative electrode cell group 44, D8Electrically connected to the negative electrode of the second negative electrode cell group 44.
The second terminal block mounting location 36 is shown in fig. 4. The second terminal block 32 is fixedly arranged in the middle of the rear panel; the second terminal block 32 is located between the first and second breakers 21 and 22 and below the first terminal block 31. Preferably, as shown in FIG. 10The terminal block 32 is DSTB60-03, and comprises three sequentially arranged through terminals, D9～D11A wiring terminal; d1、D9Position-corresponding first circuit breaker 21, D8、D11A position corresponding to the second circuit breaker 22; d9、D10、D11Respectively connected with the anode, the N pole and the cathode of the UPS. As shown in fig. 10, the second terminal block 32 includes A, B portions that are connected up and down, and the portion B of the second terminal block 32 is disposed through the front panel 11 for connecting to a bus of the UPS; the part a of the second terminal block 32 is located in the housing for connecting the connecting copper bars.
The third bracket is fixedly connected between the first terminal strip 31 and the rear panel 13, and the first terminal strip 31 is mounted on the rear panel 13 through the third bracket; the fourth bracket 34 is fixedly connected between the second terminal block 32 and the rear panel 13, and the second terminal block 32 is mounted on the rear panel 13 through the fourth bracket 34. As shown in fig. 7 and 8, the fourth bracket 34 is formed by bending a rectangular sheet metal part to form a fourth bracket first section 341, a fourth bracket second section 342, and a fourth bracket third section 343. The fourth bracket second section 342 is parallel to the rear panel 13, and the fourth bracket first section 341 and the fourth bracket third section 343 are respectively arranged at two ends of the fourth bracket second section and fixedly connected with the fourth bracket second section 342 and the rear panel 13. The second terminal block 32 is mounted on the second section 342 of the fourth frame, and the portion B of the second terminal block 32 is inserted into the second section 342 of the fourth frame, and the front panel 11 extends out of the housing.
The nine connecting copper bars do not interfere with each other. As shown in fig. 11, by T1Electric connection D1And L11 is lower(ii) a As shown in fig. 12, by T2Electric connection L11 is on、L12 to(ii) a As shown in fig. 13, by T3Electric connection L13 is on、D4(ii) a As shown in fig. 14, by T4Electric connection D2、D3、D6、D7、D10(ii) a As shown in fig. 15, by T5Electric connection D8、L23 to(ii) a As shown in fig. 16, by T6Electric connection L13 is below、L11 is on、L11 is lower(ii) a As shown in fig. 17, by T7Electric connection L12 is below、D9、L22 is below(ii) a As shown in fig. 18, by T8Electric connection L13 is below、D11、LUnder 23(ii) a As shown in fig. 19, by T9Electric connection D5And L21 is below。
The rear panel 13 is further provided with a first opening 12 for connecting a copper bar T4、T7、T8A mounting hole mounted in the second terminal block 32; the first opening 12 corresponds in position to the second terminal row 32. The double-sided protective coil is matched with the first opening 12 and used for blocking the first opening 12 and preventing dust from entering the shell.
The utility model discloses a first return circuit and second return circuit that form electric connection between battery switch box and UPS and the two backup lithium iron phosphate battery pack system. The first loop comprises a UPS anode and a D which are connected in series in sequence9、T7、L12 is below、L12 to、T2、L11 is on、L11 is lower、T6、T1、D1Positive electrode of first positive electrode cell group 41, negative electrode of first positive electrode cell group 41, D2、T4、D3Positive electrode of first negative electrode cell group 42, negative electrode of first negative electrode cell group 42, D4、T3、L13 is on、L13 is below、T8、D11And a UPS cathode. The first circuit breaker 21 controls the on/off of the first circuit, controls the UPS to charge the first positive battery pack 41 and the first negative battery pack 42, and controls the first positive battery pack 41 and the first negative battery pack 42 to discharge electricity to the UPS.
The second loop comprises a UPS anode and a D connected in series in sequence9、T7、L22 is below、L22 is on、T2、L21 to、L21 is below、T9、D5Positive electrode of second positive electrode cell group 43, negative electrode of second positive electrode cell group 43, D6、T4、D7Positive electrode of second negative electrode battery 44, and second negative electrodeNegative electrode of Pole Battery 44, D8、T5、L23 to、LUnder 23、T8、D11And a UPS cathode. The second circuit is switched on and off by the second circuit breaker 22, the UPS is controlled to charge the second positive battery pack 43 and the second negative battery pack 44, and the second positive battery pack 43 and the second negative battery pack 44 are controlled to discharge to the UPS.
The utility model can be used for cutting off a set of battery pack needing to be maintained in a double-backup lithium iron phosphate battery pack system rapidly, thereby protecting the personal safety of workers; and can be used for selecting any set of battery pack in a double-backup lithium iron phosphate battery pack system to supply power to a load through the UPS. The utility model discloses the operation is reliable, through adopting the copper bar to connect binding post's mode, satisfies technical index requirements such as current-carrying capacity, electrically conductive, heat dissipation when saving installation space.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a battery switch box suitable for two backup lithium iron phosphate battery systems, two backup lithium iron phosphate battery systems contain electric connection's first positive battery, first negative pole battery to and electric connection's second positive battery, second negative pole battery, its characterized in that, battery switch box contains:
the shell is placed in the cabinet type rack, is in a rectangular box shape and is hollow inside; the shell comprises a shell bottom plate, two shell side plates, a rear panel, a shell upper cover and a front panel;
the same first circuit breaker and the same second circuit breaker are fixedly arranged at the two ends of the rear panel; the first circuit breaker operating handle and the second circuit breaker operating handle are respectively arranged at two ends of the front panel in a penetrating way and extend out of the shell; the first circuit breaker is electrically connected with the UPS, the first positive battery pack and the first negative battery pack; the UPS is controlled to charge and discharge the first anode battery pack and the first cathode battery pack through the first circuit breaker; the second circuit breaker is electrically connected with the UPS, the second anode battery pack and the second cathode battery pack; the UPS is controlled to charge and discharge the second anode battery pack and the second cathode battery pack through the second circuit breaker;
the first wiring terminal block is fixedly arranged in the middle of the rear panel and penetrates through the rear panel to extend out of the shell; the first wiring terminal row is positioned between the first circuit breaker and the second circuit breaker; the first circuit breaker is electrically connected with the first anode battery pack and the first cathode battery pack through the first wiring terminal row, and the second circuit breaker is electrically connected with the second anode battery pack and the second cathode battery pack;
the second wiring terminal row is fixedly arranged in the middle of the rear panel, penetrates through the front panel and extends out of the shell; the second wiring terminal row is positioned between the first circuit breaker and the second circuit breaker and below the first wiring terminal row; the UPS is electrically connected with the first circuit breaker and the second circuit breaker through the second wiring terminal row;
the connecting copper bar is connected with the first connecting terminal row and the second connecting terminal row of the first circuit breaker and the second circuit breaker.
2. The battery switch box adapted for use in a dual-backup lithium-iron-phosphate battery system of claim 1, wherein the first circuit breaker and the second circuit breaker are 3P type circuit breakers; the upper end of the first breaker is provided with three wire inlets L11 is on、L12 to、L13 is onThe lower end of the first breaker is provided with three wire outlets L11 is lower、L12 is below、L13 is below(ii) a The upper end of the second circuit breaker is provided with three wire inlets L21 to、L22 is on、L23 toThe lower end of the second breaker is provided with three wire outlets L21 is below、L22 is below、LUnder 23。
3. The battery switch box of claim 1, wherein the first terminal row comprises eight through terminals, respectively D, sequentially disposed through terminals1:D8A wiring terminal; the second connecting terminal row comprises three through-type connecting terminals arranged in sequence, and the three through-type connecting terminals are respectively D9:D11A wiring terminal; d1、D9Position corresponding to the first circuit breaker, D8、D11The position corresponds to a second circuit breaker; wherein D1Electrically connected to the positive electrode of the first positive electrode battery, D2Electrically connected to the negative electrode of the first positive electrode battery, D3Electrically connected to the positive electrode of the first negative electrode battery, D4The negative electrode is electrically connected with the first negative electrode battery pack; d5Electrically connected to the positive electrode of the second positive electrode battery, D6Electrically connected to the negative electrode of the second positive electrode battery, D7Electrically connected to the positive electrode of the second negative electrode battery, D8The negative electrode is electrically connected with the second negative electrode battery pack; d9、D10、D11Respectively connected with the anode, the N pole and the cathode of the UPS.
4. The battery switch box adapted for use in a dual-backup lithium-iron-phosphate battery system of claim 3, specifically comprising T1:T9Nine connecting copper bars are arranged, and the nine connecting copper bars do not interfere with each other; through T1Electric connection D1And L11 is lower(ii) a Through T2Electric connection L11 is on、L12 to(ii) a Through T3Electric connection L13 is on、D4(ii) a Through T4Electric connection D2、D3、D6、D7、D10(ii) a Through T5Electric connection D8、L23 to(ii) a Through T6Electric connection L11 is on、L11 is lower(ii) a Through T7Electric connection L12 is below、D9、L22 is below(ii) a Through T8Electric connection L13 is below、D11、LUnder 23(ii) a Through T9Electrical connectionD5And L21 is below。
5. The battery switch box adapted for use in a dual-backup lithium-iron-phosphate battery system of claim 4, comprising a first circuit electrically connected; the first loop comprises a UPS anode and a D which are connected in series in sequence9、L12 is below、L12 to、L11 is on、L11 is lower、D1A positive electrode of the first positive battery, a negative electrode of the first positive battery, and D2、D3A positive electrode of the first negative electrode battery, a negative electrode of the first negative electrode battery, and D4、L13 is on、L13 is below、D11A UPS negative electrode; the first circuit breaker is used for controlling the on-off of the first loop, so that the UPS is controlled to charge and discharge the first anode battery pack and the first cathode battery pack.
6. The battery switch box adapted for use in a dual-backup lithium-iron-phosphate battery system of claim 4, comprising a second circuit electrically connected; the second loop comprises a UPS anode and a D connected in series in sequence9、L22 is below、L22 is on、L21 to、L21 is below、D5A positive electrode of a second positive electrode battery, a negative electrode of the second positive electrode battery, D6、D7A positive electrode of a second negative electrode battery, a negative electrode of the second negative electrode battery, D8、L23 to、LUnder 23、D11A UPS negative electrode; and the second circuit breaker is used for controlling the on-off of the second loop, so that the UPS is controlled to charge and discharge the second anode battery pack and the second cathode battery pack.
7. The battery switch box adapted for use in a dual-backup lithium-iron-phosphate battery system of claim 1, further comprising two identical circuit breaker holders, one circuit breaker holder being disposed between the first circuit breaker and the rear panel and one circuit breaker holder being disposed between the second circuit breaker and the rear panel; the first circuit breaker and the second circuit breaker are installed on the rear panel through two circuit breaker supports.
8. The battery switch box adapted for use in a dual-backup lithium-iron-phosphate battery system of claim 1, further comprising a third cradle and a fourth cradle; the third support is fixedly connected between the first wiring terminal row and the rear panel, and the first wiring terminal row is installed on the rear panel through the third support; the fourth support is fixedly connected between the second wiring terminal strip and the rear panel, and the second wiring terminal strip is installed on the rear panel through the fourth support.
9. The battery switch box adapted for a dual-backup lithium iron phosphate battery system of claim 1, wherein the rear panel further has a first opening as a connecting copper bar T4、T7、T8The mounting hole is mounted in the second wiring terminal row; the first opening corresponds to the second wiring terminal row.
10. The battery switch box adapted for use in a dual-backup lithium-iron-phosphate battery system of claim 1, further comprising a double-sided grommet that mates with the first opening, the first opening being sealed by the double-sided grommet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667019.XU CN209822717U (en) | 2019-05-10 | 2019-05-10 | Battery switch box suitable for double-backup lithium iron phosphate battery pack system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667019.XU CN209822717U (en) | 2019-05-10 | 2019-05-10 | Battery switch box suitable for double-backup lithium iron phosphate battery pack system |
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| CN209822717U true CN209822717U (en) | 2019-12-20 |
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| CN201920667019.XU Active CN209822717U (en) | 2019-05-10 | 2019-05-10 | Battery switch box suitable for double-backup lithium iron phosphate battery pack system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446644A (en) * | 2020-05-13 | 2020-07-24 | 广州市锦路电气设备有限公司 | Battery switch box with protection for preventing reverse connection of battery pack and UPS positive and negative poles |
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2019
- 2019-05-10 CN CN201920667019.XU patent/CN209822717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446644A (en) * | 2020-05-13 | 2020-07-24 | 广州市锦路电气设备有限公司 | Battery switch box with protection for preventing reverse connection of battery pack and UPS positive and negative poles |
| CN111446644B (en) * | 2020-05-13 | 2022-05-10 | 广州市锦路电气设备有限公司 | Battery switch box with protection for preventing reverse connection of battery pack and UPS positive and negative poles |
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