CN210866289U

CN210866289U - Special-shaped lithium iron phosphate battery pack case for communication base station

Info

Publication number: CN210866289U
Application number: CN201921928920.4U
Authority: CN
Inventors: 王兴国; 邱镛坚; 刘圣庆; 李茂勇
Original assignee: Anhui Lishi New Energy Development Co ltd; China United Network Communications Corp Ltd Guangdong Branch
Current assignee: Anhui Lishi New Energy Development Co ltd; China United Network Communications Corp Ltd Guangdong Branch
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-06-26
Anticipated expiration: 2029-11-11

Abstract

The special-interface lithium iron phosphate battery pack case for the communication base station comprises an assembly chamber, wherein a panel is detachably connected to an opening of the assembly chamber, a discharge joint and a charge joint are embedded in the panel, the discharge joint and the charge joint are electrically connected to a battery management component, and the discharge joint and the charge joint are arranged in a special-interface structure; the top of the case shell is connected with an upper cover, the length of the upper cover is greater than that of the case shell, a baffle is vertically arranged on the bottom surface of one end, close to the panel, of the upper cover, and the baffle is attached to the outer wall of the panel; the inside of the case of the utility model is divided into two independent areas of the battery accommodating chamber and the assembling chamber, so that the subsequent expansion and improvement are more convenient, the electric elements are not interfered with each other, the reliability is higher, and the heat dissipation effect is better; the case is formed by assembling a plurality of modules, so that the maintenance is more convenient; the case can meet various installation modes such as floor, wall hanging, cabinet and the like.

Description

Special-shaped lithium iron phosphate battery pack case for communication base station

Technical Field

The utility model belongs to the technical field of the battery production, in particular to different mouthful lithium iron phosphate group machine case for communication base station.

Background

Because the standby power supply of the communication machine room is mainly a lead-acid battery, the original lead-acid battery can not meet the requirement of standby power duration along with the upgrade of a communication network and the capacity expansion of a load; due to the limitation of the volume and the weight of the lead-acid battery, the capacity of the lead-acid battery cannot be increased to carry out prolonged standby power in a limited space. The vicious circle that the power load is continuously increased and the capacity of the standby battery is attenuated more and more quickly due to the increase of the load is formed, so that the standby power is not enough in time, and the situations of power failure of a base station, network withdrawal, early termination of the service life of the battery and the like occur. The normal communication of the user is influenced, the complaint is caused, meanwhile, the maintenance and replacement cost of an operator is increased, and unnecessary economic loss is caused;

the conventional lithium iron phosphate battery pack case is integrated in structure, the internal space structure is fixed, the later maintenance and disassembly are inconvenient, the flexibility is not high, and the subsequent continuous development is inconvenient; the input port and the output port of the conventional lithium iron phosphate battery pack case are at the same potential, and when the commercial power is cut off, the lithium iron battery can supply power to the switching power supply side through the input port when discharging; and secondly, the discharge voltage of the lithium iron phosphate battery is higher than that of the lead-acid battery, and when the commercial power is stopped and the switching power supply is not powered off, the same-port lithium iron phosphate battery enters a discharge state, so that the real backup time of the same-port lithium iron phosphate battery is shortened, the effect is greatly reduced, and the effect of prolonging the backup time cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists, provide different mouthful of lithium iron phosphate group machine case for communication base station, concrete technical scheme is as follows:

the lithium iron phosphate battery pack chassis with different interfaces for the communication base station comprises a chassis shell; a partition board is arranged in the case shell, a battery accommodating chamber is arranged on one side of the partition board, an assembly chamber is arranged on the other side of the partition board, a battery management component is arranged on the side wall of the partition board, a battery pack is arranged in the battery accommodating chamber, and the battery pack is electrically connected with the battery management component in a bidirectional mode;

the panel is detachably connected to an opening of the assembly chamber, a discharge joint and a charge joint are embedded in the panel, the discharge joint and the charge joint are both electrically connected to the battery management component, and the discharge joint and the charge joint are arranged in a different-interface structure;

the top of the case shell is connected with an upper cover, the length of the upper cover is larger than that of the case shell, a baffle is vertically arranged on the bottom surface of one end, close to the panel, of the upper cover, and the baffle is attached to the outer wall of the panel.

Furthermore, the part of the upper cover extending out of the panel is provided with hanging holes, and the hanging holes are positioned at two ends of the top of the panel.

Furthermore, a clamping plate is arranged on the bottom surface of the end portion, extending out of the panel, of the upper cover, the clamping plate and the panel are arranged in parallel, the clamping plate is arranged outside the discharging connector and the charging connector, and a plurality of clamping grooves are formed in the clamping plate.

Further, the inside bottom equidistance of battery accommodation chamber is equipped with a plurality of support bars, the support bar is located the bottom of battery package, the bottom surface of upper cover is equipped with a plurality of elastic components, the elastic component with the top surface laminating of battery package.

Further, the inside of assembly chamber is the cavity structure, the inside bottom equidistance of assembly chamber is equipped with a plurality ofly the support bar.

Furthermore, assembly grooves are symmetrically formed in the top of the inner wall of the case shell and are U-shaped, two sides of the upper cover are inserted into the assembly grooves, the upper cover is arranged on the top of the partition plate, and the other end of the upper cover, which is far away from the panel, is fixed with the case shell through screws.

Further, the outer wall symmetry of panel is equipped with the handle, the inner wall symmetry of panel is equipped with the assembly plate, the assembly plate stretch into in the assembly chamber, the assembly plate with chassis exterior's inner wall laminating block is connected.

The utility model has the advantages that:

1. the interior of the case is divided into two independent areas, namely a battery accommodating chamber and an assembly chamber, so that subsequent expansion and improvement are more convenient, electrical elements are not interfered with each other, the reliability is higher, and the heat dissipation effect is better; the case is formed by assembling a plurality of modules, so that the maintenance is more convenient; the case can meet various installation modes such as landing, wall hanging, cabinet and the like;

2. through with battery management part output with mouthful structure change into different mouthful structures to guarantee that the battery can not discharge at the charging process, in the same way, can not carry out reverse charging at the discharge stage, thereby promote the reserve electricity time of group battery at communication base station.

Drawings

Fig. 1 shows a schematic structural diagram of a special-shaped lithium iron phosphate battery pack case for a communication base station according to the present invention;

fig. 2 shows a schematic side view of the whole case of the present invention;

fig. 3 is a schematic view showing a connection structure between the cover plate and the chassis housing according to the present invention;

fig. 4 shows a schematic diagram of a suspension mounting structure of the chassis of the present invention;

FIG. 5 is a schematic diagram illustrating the operating circuit of the battery management component of the present invention;

shown in the figure: 1. chassis exterior, 11, baffle, 12, battery accommodation chamber, 13, assembly chamber, 14, support bar, 15, assembly groove, 2, panel, 21, handle, 22, discharge joint, 23, the joint that charges, 24, assembly plate, 3, battery management part, 4, battery package, 5, upper cover, 51, baffle, 52, locking hole, 53, hanging hole, 54, elastic component, 6, grip block, 61, draw-in groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The lithium iron phosphate battery pack chassis with different interfaces for the communication base station comprises a chassis shell 1; a partition plate 11 is arranged in the case shell 1, a battery accommodating chamber 12 is arranged on one side of the partition plate 11, an assembly chamber 13 is arranged on the other side of the partition plate 11, and the partition plate 11 is arranged to enable two independent areas to be formed between the battery accommodating chamber 12 and the assembly chamber 13, so that modular management is realized, and mutual interference of parts in the two chambers is avoided;

a battery management part 3 is arranged on the side wall of the partition plate 11, a battery pack 4 is arranged in the battery accommodating chamber 12, and the battery pack 4 is electrically connected with the battery management part 3 in a bidirectional mode; the battery pack 4 is a lithium iron phosphate battery pack; the battery management part 3 adopts the existing battery management system, is a link between the battery and a user, mainly aims at a secondary battery, and mainly aims at improving the utilization rate of the battery and preventing the battery from being overcharged and overdischarged;

the panel 2 is detachably connected to an opening of the assembly chamber 13, a discharging connector 22 and a charging connector 23 are embedded in the panel 2, the discharging connector 22 and the charging connector 23 are both electrically connected to the battery management component 3, and the discharging connector 22 and the charging connector 23 are arranged in a different-interface structure; the same-port structure output by the battery management part 3 is changed into a different-port structure, so that the battery is ensured not to be discharged in the charging process, and similarly, the reverse charging is not carried out in the discharging stage, so that the standby power time of the battery pack in a communication base station is prolonged; when the commercial power stops, the lead-acid battery preferentially supplies power to the communication base station load, the lithium iron phosphate battery pack with the different interfaces does not participate in power supply work at the moment, and when the lithium iron phosphate battery pack detects that the voltage value of the charging interface is smaller than a set value, the BMS discharging loop is opened, and the lithium iron phosphate battery supplies power to the communication base station load. Meanwhile, a BMS charging circuit is closed, a circuit cannot be formed between the switching power supply and the lithium iron phosphate battery, and the condition that the lithium iron phosphate battery supplies power to the switching power supply side is avoided, so that the electric energy stored by the lithium iron phosphate battery is completely output to load equipment of the communication base station;

the top of the chassis shell 1 is connected with an upper cover 5, the length of the upper cover 5 is greater than that of the chassis shell 1, a baffle 51 is vertically arranged on the bottom surface of one end, close to the panel 2, of the upper cover 5, and the baffle 51 is attached to the outer wall of the panel 2; the upper cover 5 is used for sealing the whole case shell 1 from the upper part and protecting devices in the case, and the baffle 51 can apply force to one side of the case shell 1 to the panel 2 from the outer side, so that the connection strength of the panel 2 and the case shell 1 is improved, and the panel 2 is prevented from loosening.

As an improvement of the above technical solution, a hanging hole 53 is formed in a portion of the upper cover 5 extending out of the panel 2, and the hanging hole 53 is located at two ends of the top of the panel 2; hanging hole 53 is used for realizing that quick-witted case can wholly hang on the wall body for the mounting means of quick-witted case is more various, and hanging hole 53 is located both ends and is used for not influencing the joint wiring, the nailing operation of being convenient for.

As an improvement of the above technical solution, a clamping plate 6 is disposed on a bottom surface of an end portion of the upper cover 5 extending out of the panel 2, the clamping plate 6 and the panel 2 are disposed in parallel, the clamping plate 6 is disposed outside the discharge connector 22 and the charge connector 23, and a plurality of clamping grooves 61 are formed in the clamping plate 6; the grip block 6 can be regarded as the protection architecture who connects, avoids connecting to receive external collision, and draw-in groove 61 on the grip block 6 can carry out the chucking location to the wiring of joint for the wiring effect that connects is better.

As an improvement of the above technical solution, a plurality of support bars 14 are equidistantly arranged at the bottom inside the battery accommodating chamber 12, the support bars 14 are arranged at the bottom of the battery pack 4, a plurality of elastic members 54 are arranged on the bottom surface of the upper cover 5, and the elastic members 54 are attached to the top surface of the battery pack 4; the support bars 14 can support the battery pack from the bottom, and the battery heat dissipation effect is better due to the arrangement of the support bars 14 at intervals; the elastic member 54 can press and position the battery pack from the top, so that the battery pack is more stable, and the elastic member 54 can also play a role in cushioning.

As an improvement of the above technical solution, the inside of the assembly chamber 13 is a cavity structure, and a plurality of support bars 14 are equidistantly arranged at the bottom of the inside of the assembly chamber 13; the assembly chamber 13 can be used as an assembly area of a panel and an installation area of other components, corresponding components can be installed in the assembly chamber of the chassis according to needs, and the support bars 14 also have two effects of supporting and radiating.

As an improvement of the above technical solution, the top of the inner wall of the chassis housing 1 is symmetrically provided with assembly grooves 15, the assembly grooves 15 are U-shaped, two sides of the upper cover 5 are inserted into the assembly grooves 15, the upper cover 5 is arranged on the top of the partition plate 11, and the other end of the upper cover 5 away from the panel 2 is fixed with the chassis housing 1 by screws; the upper cover 5 is connected with the case shell 1 in an inserting mode, so that the installation mode of the upper cover 5 is simpler and more convenient, only the innermost screws need to be installed when the upper cover is fixed, the operation is simple and convenient, and the installation number of the screws is reduced.

As an improvement of the above technical solution, the outer wall of the panel 2 is symmetrically provided with the handles 21, the inner wall of the panel 2 is symmetrically provided with the assembly plates 25, the assembly plates 25 extend into the assembly chamber 13, and the assembly plates 25 are attached to and clamped with the inner wall of the chassis housing 1; the handle 21 is arranged to facilitate the movement of the case by a worker, and the panel can be fixed more quickly by the clamping connection mode.

As shown in fig. 1, fig. 1 shows a schematic structural diagram of a special-shaped lithium iron phosphate battery pack case for a communication base station according to the present invention;

the chassis shell 1 is of a U-shaped frame structure, a partition plate 11 is arranged in one third of the interior of the chassis shell 1, and the partition plate 11 divides the interior of the chassis shell 1 into two independent areas, namely a battery accommodating chamber 12 and an assembly chamber 13; the bottom supporting structure of the case shell 1 is a supporting strip 14, and the supporting strip 14 can support an object and ensure heat dissipation;

the opening end of the case shell 1 is clamped and connected with an assembling plate 25, a clamping head is arranged on the assembling plate 25, a clamping groove is formed in the inner wall of the opening end of the case shell 1, handles 21 are arranged at two ends of the outer surface of the cover plate 2, a charging connector 23, a discharging connector 22 and a display screen are further arranged on the cover plate 2, and the display screen is used for displaying all parameters; the charging connector 23, the discharging connector 22 and the display screen are electrically connected with the battery management part 3 through wires, and the battery management part 3 is arranged on the partition plate 11;

the top of the inner wall of the case shell 1 is symmetrically provided with assembly grooves 15, the assembly grooves 15 are positioned at the top of the partition plate 11, when the upper cover 5 is installed, the upper cover 5 can be inserted into the case shell 1 from the opening end of the case shell 1, the side edge of the upper cover 5 enters the assembly grooves 15, after the insertion is finished, the innermost locking groove 2 on the upper cover 5 is aligned with the hole on the case shell 1, and a worker can screw a locking screw into the locking hole 52;

the length of the upper cover 5 is greater than that of the chassis shell 1, a part of the upper cover 5 extends out of the chassis shell after assembly is completed, the extending part is arranged at the top of the panel 2, a hanging hole 53 is formed inside the extending part and used for hanging the chassis, the charge-discharge connector is arranged between the two hanging holes, and a baffle 51 and a clamping plate 6 are respectively arranged on two sides of each hanging hole; the clamping plate 6 is provided with a plurality of clamping grooves 61 with narrow lower parts and wide upper parts, the baffle plate 51 is attached to the panel 2, and the baffle plate 51 can be attached to the panel from a plurality of positions to apply inward force to the panel.

When the utility model is implemented and the case is assembled, the battery pack 4 is placed in the battery accommodating chamber 12, then other electrical elements are installed in the assembly chamber 13, and the battery management part 3 is fixed on the partition plate 11; electrically connecting the charging connector 23, the discharging connector 22, the battery pack 4, and the battery management part 3; inserting the assembly plate 25 of the panel 2 into the assembly slot 15, so that the assembly plate 25 is clamped with the case shell 1, and the panel 2 is arranged at the outer end part of the case shell 1; finally, the upper cover 5 is inserted into the assembly groove 15, so that the top of the case shell 1 is sealed by the upper cover 5, after the inner end is inserted, the elastic piece 54 is attached to the top surface of the battery pack 4, the baffle plate 51 is attached to the outer wall of the panel 2, and finally the upper cover 5 and the case shell 1 are connected together through screws, so that the whole storage battery case can be assembled;

the direct current distribution part in the switching power supply of the communication machine room is connected with two low-voltage power-down relays which are primary power-down (base station BTS equipment) and secondary power-down (important transmission equipment) respectively; connecting the charging connector 23 and the discharging connector 22 with the access ports of the secondary power transmission equipment, and clamping the connecting data lines into the corresponding clamping grooves 61 to position the electrical connection positions;

when the power management component 3 detects that the voltage of the access terminal of the secondary power-off transmission equipment is lower than 47V during operation, the lithium iron phosphate battery starts a discharge circuit and independently supplies power to a secondary power-off load, and the lead-acid battery is separated from the power supply circuit and is in an open circuit state to prevent the lead-acid battery from being over-discharged; in the prior art, when commercial power stops, the lead-acid battery starts to discharge the direct current equipment until the voltage is 47V, the primary power-off equipment is disconnected, the lead-acid battery continuously supplies power to the secondary power-off transmission equipment, but the battery capacity is discharged by about 70 percent at the moment, the residual capacity cannot continuously supply power to the secondary power-off transmission equipment for a long time, and the problem can be solved through the wiring mode;

the above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A different mouthful lithium iron phosphate group battery case for communication base station, its characterized in that: comprises a case shell (1); a partition plate (11) is arranged in the case shell (1), a battery accommodating chamber (12) is arranged on one side of the partition plate (11), an assembly chamber (13) is arranged on the other side of the partition plate (11), a battery management component (3) is arranged on the side wall of the partition plate (11), a battery pack (4) is arranged in the battery accommodating chamber (12), and the battery pack (4) is electrically connected with the battery management component (3) in a bidirectional mode;

the panel (2) is detachably connected to an opening of the assembly chamber (13), a discharging joint (22) and a charging joint (23) are embedded into the panel (2), the discharging joint (22) and the charging joint (23) are electrically connected to the battery management component (3), and the discharging joint (22) and the charging joint (23) are arranged in a different-interface structure;

the top of chassis housing (1) is connected with upper cover (5), the length of upper cover (5) is greater than the length of chassis housing (1), upper cover (5) are close to the one end bottom surface of panel (2) is equipped with baffle (51) perpendicularly, baffle (51) with the outer wall laminating of panel (2).

2. The lithium iron phosphate battery pack case with different interfaces for the communication base station according to claim 1, is characterized in that: the part of the upper cover (5) extending out of the panel (2) is provided with hanging holes (53), and the hanging holes (53) are positioned at two ends of the top of the panel (2).

3. The lithium iron phosphate battery pack case with different interfaces for the communication base station according to claim 2, characterized in that: the clamping plate (6) is arranged on the bottom face of the end portion, extending out of the panel (2), of the upper cover (5), the clamping plate (6) and the panel (2) are arranged in parallel, the clamping plate (6) is arranged outside the discharging connector (22) and the charging connector (23), and a plurality of clamping grooves (61) are formed in the clamping plate (6).

4. The lithium iron phosphate battery pack case with different interfaces for the communication base station according to claim 3, is characterized in that: the inside bottom equidistance of battery accommodation chamber (12) is equipped with a plurality of support bars (14), support bar (14) are located the bottom of battery package (4), the bottom surface of upper cover (5) is equipped with a plurality of elastic component (54), elastic component (54) with the top surface laminating of battery package (4).

5. The lithium iron phosphate battery pack case with different interfaces for the communication base station according to claim 4, is characterized in that: the inside of assembly chamber (13) is the cavity structure, the inside bottom equidistance of assembly chamber (13) is equipped with a plurality ofly support bar (14).

6. The lithium iron phosphate battery pack chassis with different interfaces for the communication base station as claimed in claim 4 or 5, wherein: assembly grooves (15) are symmetrically formed in the top of the inner wall of the case shell (1), the assembly grooves (15) are U-shaped, two sides of the upper cover (5) are inserted into the assembly grooves (15), the upper cover (5) is arranged on the top of the partition plate (11), and the upper cover (5) deviates from the other end of the panel (2) and the case shell (1) and is fixed through screws.

7. The lithium iron phosphate battery pack case with different interfaces for the communication base station according to claim 6, is characterized in that: the outer wall symmetry of panel (2) is equipped with handle (21), the inner wall symmetry of panel (2) is equipped with assembly plate (25), assembly plate (25) stretch into in assembly chamber (13), assembly plate (25) with the inner wall laminating block of chassis exterior (1) is connected.