CN214674460U - Industrial movable standby power supply - Google Patents

Abstract

The utility model discloses a portable stand-by power supply of industry, including the shell that last casing and inferior valve body constitute to and install the group battery in the cavity of housing, go up and set up first protection shield between the inner wall top of casing and the group battery, set up the second protection shield between the inner wall bottom of lower casing and the group battery. The utility model has the advantages that: the first protection plate and the second protection plate are arranged at the upper end and the lower end of the battery pack respectively, and due to the fireproof heat preservation effect of the first protection plate and the second protection plate, heat generated in the discharging process of the battery pack is locked in the cavity of the shell, so that the discharging efficiency of the battery pack at the low temperature of minus 40 ℃ is improved.

Description

Industrial movable standby power supply

Technical Field

The utility model relates to a stand-by power supply technical field especially relates to a portable stand-by power supply of industry.

Background

A lithium iron phosphate battery is a lithium ion battery which uses lithium iron phosphate as a positive electrode material and carbon as a negative electrode material. Meanwhile, the lithium iron phosphate battery has a series of unique advantages of high working voltage, large energy density, long cycle life, small self-discharge rate, no memory effect, environmental protection and the like, supports stepless expansion, is suitable for large-scale electric energy storage, and has good application prospects in the fields of safe power generation grid connection of renewable energy power stations, peak shaving of power grids, distributed power stations, UPS power supplies, emergency power supply systems and the like.

At present, lithium iron phosphate batteries capable of discharging at the low temperature of-40 ℃ appear in the market, but the battery pack consisting of the battery cells has low discharging efficiency at the low temperature of-40 ℃.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a portable stand-by power supply of industry aims at improving the lithium iron phosphate battery and discharges the efficiency at-40 ℃ low temperature.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the utility model provides a portable stand-by power supply of industry, includes the shell that last casing and lower casing are constituteed, and installs group battery in the cavity of the shell, go up the inner wall top of casing with set up first protection shield between the group battery, the inner wall bottom of casing down with set up the second protection shield between the group battery.

In some embodiments, a bracket is further disposed between the first protective plate and the battery pack.

In some embodiments, the bracket includes a battery cell sleeve mold and a connecting plate, the battery cell sleeve mold is sleeved at the upper end of the battery pack, and the connecting plate is installed at the upper end of the battery cell sleeve mold.

In some embodiments, the upper end of connecting plate is equipped with the fixed part, the tip of fixed part is contradicted go up the inner wall top of casing, the surface of first protection board be equipped with the fixed part complex first dodge the hole.

In some embodiments, a limiting member is disposed at an upper end edge of the battery cell sleeve mold, and the first protection plate is fixed in the limiting member.

In some embodiments, further comprising a seal ring mounted at a junction of the upper housing and the lower housing.

In some embodiments, avoidance grooves are formed in four corners of the upper shell, step holes are formed in the surfaces of the avoidance grooves, fixing holes matched with the step holes in position are formed in the edges of the lower shell, and the step holes are fixedly connected with the fixing holes through fasteners.

In some embodiments, the surface mounting of casing has charge and discharge interface down, the metal contact of charge and discharge interface passes through the casing inserts down in the cavity, the surface mounting of metal contact has supplementary protection shield, the surface of supplementary protection shield is equipped with and is used for dodging the second of metal contact dodges the hole.

In some embodiments, the protective plate further comprises a magnet mounted on a rear surface of the auxiliary protective plate.

In some embodiments, the inner walls of the upper and lower housings are fitted with rail grooves.

The utility model has the advantages that: the first protection plate and the second protection plate are arranged at the upper end and the lower end of the battery pack respectively, and due to the fireproof heat preservation effect of the first protection plate and the second protection plate, heat generated in the discharging process of the battery pack is locked in the cavity of the shell, so that the discharging efficiency of the battery pack at the low temperature of minus 40 ℃ is improved.

Drawings

Fig. 1 is a perspective exploded view of an industrial mobile standby power supply disclosed in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 taken along line A;

fig. 3 is a perspective view of a lower housing disclosed in an embodiment of the present invention;

wherein: 1-upper shell, 2-lower shell, 3-battery pack, 4-first protection plate, 5-second protection plate, 6-bracket, 7-sealing ring, 8-charge-discharge interface, 9-guide rail groove, 11-avoidance groove, 12-step hole, 13-fastening piece, 21-fixing hole, 22-handle, 41-first avoidance hole, 61-battery core sleeve mold, 62-connecting plate, 63-fixing part, 64-limiting piece, 81-metal contact, 82-auxiliary protection plate, 83-second avoidance hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the following will explain the contents of the present invention in detail with reference to the accompanying drawings and the detailed description. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.

As shown in fig. 1, the present embodiment provides an industrial mobile standby power supply, which includes an outer shell formed by an upper shell 1 and a lower shell 2, and a battery pack 3 installed in the cavity of the outer shell, wherein a first protection plate 4 is disposed between the top of the inner wall of the upper shell 1 and the battery pack 3, and a second protection plate 5 is disposed between the bottom of the inner wall of the lower shell 2 and the battery pack 3.

The utility model discloses a set up first protection shield 4 and second protection shield 5 respectively at the upper and lower both ends of group battery 3, because the fire prevention heat preservation effect of first protection shield 4 and second protection shield 5, the heat that group battery 3 produced in the discharge process is locked in the shell cavity to improve group battery 3 at the efficiency of discharging under-40 ℃ of low temperature.

In this embodiment, the first protective sheet 4 is preferably a fireproof glass fiber sheet, and the second protective sheet 5 is preferably an EVA sheet with a hardness of 38 degrees, which are sized to cover at least two poles of the battery pack 3, respectively, to perform heat preservation, fire prevention, and buffering functions.

In order to further isolate the first protection plate 4 from the battery pack 3, a preferred physical isolation scheme is proposed in the present embodiment, i.e. a bracket 6 is further provided between the first protection plate 4 and the battery pack 3. As shown in fig. 3, the support 6 includes a cell cover 61 and a connecting plate 62, the cell cover 61 is disposed at the upper end of the battery pack 3, and the connecting plate 62 is mounted at the upper end of the cell cover 61. The inside combination that adopts support 6 and first protection plate 4 of shell both can guarantee that the components and parts of first protection plate 4 do not receive the extrusion of casing 1 and damage, can protect group battery 3 again and the insulating isolation of first protection plate 4, improve the security performance of whole group battery 3. In addition, go up casing 1, lower casing 2 and support 6 and adopt high strength ABS + PC, further form with the EVA panel of group battery 3 bottom and prevent falling the combination, protect group battery 3 when 1 meter falls, pass through safety test smoothly.

More preferably, the upper end of connecting plate 62 is equipped with fixed part 63, and this fixed part 63 is a cylinder, and the tip of fixed part 63 is contradicted at the inner wall top of last casing 1, plays the fixed action, and the surface of first protection board 4 is equipped with the first hole 41 of dodging with fixed part 63 complex, and this first hole 41 of dodging can be the round hole that matches with above-mentioned cylinder diameter to accomplish the fixed mounting between first protection board 4 and the support 6 by this.

The upper end edge of the battery cell sleeve die 61 is provided with a limiting piece 64, and the first protection plate 4 is fixed in the limiting piece 64.

The sealing ring device further comprises a sealing ring 7, and the sealing ring 7 is installed at the joint of the upper shell 1 and the lower shell 2. Avoidance grooves 11 are formed in four corners of the upper shell 1, step holes 12 are formed in the surfaces of the avoidance grooves 11, fixing holes 21 matched with the step holes 12 in position are formed in the edges of the lower shell 2, and the step holes 12 are fixedly connected with the fixing holes 21 through fasteners 13. In this embodiment, the inner space of the housing is isolated from the outside by the combination of the sealing ring 7, the stepped hole 12, the fixing hole 21 and the fastening member 13, so that the standby power supply can be normally charged and discharged even in a low-temperature and humid special environment.

Further, the fixing hole 21 is an injection molding nut with a blind hole type structure, the fastener 13 selects a screw with a corresponding size, the lower housing 2 and the injection molding nut are seamlessly combined through an injection molding process, the effectiveness of the assembly with the screw is fully improved, and meanwhile, the dustproof and waterproof grade of the whole battery pack 3 is improved.

As shown in fig. 1 and 3, the charging and discharging interface 8 is mounted on the surface of the lower housing 2, the metal contact 81 of the charging and discharging interface 8 is inserted into the cavity through the lower housing 2, it can be seen from the figure that a recessed portion for mounting the charging and discharging interface 8 is pre-arranged on the surface of the lower housing 2, a fine hole for the metal contact 81 to enter is arranged on the surface of the recessed portion, after the metal contact 81 is inserted into the cavity, an auxiliary protection plate 82 is mounted on the surface of the metal contact 81, the auxiliary protection plate 82 is made of a fireproof glass fiber plate, and a second avoiding hole 83 for avoiding the metal contact 81 is arranged on the surface of the auxiliary protection plate 82, so that the metal contact 81 can be smoothly electrically connected with the battery pack 3 under the condition that the auxiliary protection plate 82 is used.

And a magnet (not shown) mounted on the rear surface of the auxiliary protection plate 82. The magnet is added at the charging and discharging interface 8, so that the matching of the external socket is not staggered, poor contact is avoided, and the charging and discharging efficiency is improved.

As shown in fig. 3, the inner walls of the upper case 1 and the lower case 2 are provided with guide rail grooves 9, and it can be seen that the guide rail grooves 9 are provided in a vertical direction, and the guide rail grooves 9 facilitate and rapidly assemble and disassemble the battery pack 3 and the bracket 6 by limiting the space inside the case.

More preferably, handle 22 is installed to the bottom of lower casing 2, and fire-retardant PA of fire prevention is selected for use to the material of handle 22, has both guaranteed the reliability of group battery, increases its security in the emergence accident again.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a portable stand-by power supply of industry, includes the shell that last casing and lower casing are constituteed, and installs group battery in the cavity of the shell, its characterized in that, go up the inner wall top of casing with set up first protection shield between the group battery, the inner wall bottom of casing down with set up the second protection shield between the group battery.

2. The industrial mobile backup power supply of claim 1, wherein a bracket is further provided between the first protective plate and the battery pack.

3. The industrial mobile backup power supply of claim 2, wherein the bracket comprises a cell sleeve mold and a connecting plate, the cell sleeve mold is sleeved on the upper end of the battery pack, and the connecting plate is installed on the upper end of the cell sleeve mold.

4. The industrial mobile standby power supply according to claim 3, wherein a fixing portion is provided at an upper end of the connection plate, an end of the fixing portion abuts against a top portion of an inner wall of the upper case, and a first avoiding hole engaged with the fixing portion is provided on a surface of the first protection plate.

5. The industrial mobile backup power supply according to claim 3 or 4, wherein a limiting member is disposed at an upper end edge of the cell sleeve mold, and the first protection plate is fixed in the limiting member.

6. The industrial mobile backup power supply of claim 1, further comprising a seal ring mounted at a junction of the upper housing and the lower housing.

7. The industrial mobile standby power supply according to claim 1, wherein avoidance grooves are formed at four corners of the upper case, stepped holes are formed in the surfaces of the avoidance grooves, fixing holes matched with the stepped holes in position are formed in the edges of the lower case, and the stepped holes are fixedly connected with the fixing holes through fasteners.

8. The industrial movable standby power supply as claimed in claim 1, wherein a surface of the lower casing is provided with a charge-discharge interface, a metal contact of the charge-discharge interface is inserted into the cavity through the lower casing, a surface of the metal contact is provided with an auxiliary protection plate, and a second avoidance hole for avoiding the metal contact is formed in the surface of the auxiliary protection plate.

9. The industrial mobile backup power supply according to claim 8, further comprising a magnet installed at a rear surface of the auxiliary protection plate.

10. The industrial mobile backup power supply of claim 1, wherein the inner walls of the upper and lower housings are mounted with guide rail grooves.

Images