Suspended satellite storage battery pack

Abstract

The utility model discloses a suspension type installation satellite storage battery pack, which comprises a shell and a cover plate, the upper part of the shell is provided with an opening, the cover plate covers the upper part of the shell, the shell is of an integrally formed structure, a battery module is arranged in the shell by virtue of a module bracket, and an insulating base plate is also arranged between the battery module and the cover plate. Compared with a structural frame formed by splicing a plurality of metal plates, due to the fact that the shell is of the integrally-formed structure, fasteners are reduced, and the structural size increase caused by installation of the fasteners is reduced through the integrally-formed structure; meanwhile, due to the integrally-formed structure, lap resistance caused by a splicing structure is reduced. The assembled satellite storage battery pack is small in size, compact in structure, small in mass, high in mechanical strength and suitable for being installed on a satellite cabin plate in a suspended mode.

Description

TECHNICAL FIELD

[0001] The utility model belongs to satellite technical field, and concretely relates to a satellite battery pack of suspension type installation. BACKGROUND

[0002] The satellite battery pack is a kind of energy storage device specially designed for satellite, and is used to provide power support for the electronic equipment, communication system, attitude control and other key functions of satellite during orbit operation. It is usually composed of multiple battery monomers and integrated together through specific electrical connection, structural design and management system to meet the power demand of satellite during launch, orbit operation and task execution.

[0003] Most of the current satellite battery packs are installed vertically (along the direction of the earth's weight) in the satellite cabin body, and most of the battery packs are mainly spliced into frames by fasteners through different metal plates to support and fix lithium battery modules, which leads to the increase of the overall lithium battery pack envelope size and weight, which is not conducive to saving space inside the satellite and reducing the weight of the satellite, and increases the cost of satellite. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the problems of large envelope size and weight of the existing satellite battery pack, which is not conducive to saving space inside the satellite and reducing the weight of the satellite, and increases the cost of satellite, to provide a satellite battery pack of suspension type installation.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A satellite battery pack of suspension type installation includes a shell with an upper opening and a cover plate covering the upper part of the shell, the shell is an integral structure, and a battery module is installed in the interior of the shell by means of a module support, and an insulating pad is arranged between the battery module and the cover plate.

[0007] According to the utility model, the shell extends outward along two opposite side edges of the upper opening, and each of the two opposite side edges is provided with a connecting plate, and a plurality of fixing holes are formed in the connecting plate; Correspondingly, the outer edges of the two side edges of the connecting plate of the shell are also provided with a corresponding number of fixing holes on the cover plate, and the two are connected and fixed by the fixing holes through the fixing pieces.

[0008] Further, one or more reinforcing ribs are arranged between the bottom of each connecting plate and the side edge of the shell.

[0009] According to the utility model, the bottom surface of one side of the shell which is not provided with a connecting plate extends outward to form a mounting surface, a mounting groove is formed in the middle of the mounting surface, a fixing hole is formed on each side of the mounting groove, and a boss is arranged on the upper surface of one side of the mounting surface.

[0010] Further, an electric connector is mounted in the mounting groove, and the electric connector is mounted and fixed through the fixing hole by a fixing member.

[0011] Further, a wire harness is arranged in the wire slot hole, one end of the wire harness is connected with the electric connector, and the other end of the wire harness passes through the wire slot hole and enters the shell to be welded and fixed with the welded flow bar of the battery module.

[0012] Further, a grounding resistor is fixed on the boss by a fixing member, and the lead wire of the grounding resistor is connected with a pin lead-out wire of the electric connector.

[0013] Further, a reinforcing plate is arranged between each side of the mounting surface and the side of the shell to enhance the stability of the mounting surface.

[0014] According to the utility model, a plurality of mounting holes are formed in the connecting plate of the shell, and a mounting hole insulating sleeve is arranged in each mounting hole to insulate and fixedly mount the satellite battery pack on the satellite cabin plate in a hanging manner.

[0015] According to the utility model, the module support is a frame structure with a plurality of battery mounting holes formed in the middle, the battery mounting holes are cylindrical, and the cylindrical battery of the battery module is inserted into the battery mounting hole.

[0016] The satellite battery pack mounted in a hanging manner has the following beneficial effects:

[0017] 1. The shell adopts an integral molding structure, compared with a structure frame spliced by a plurality of metal plates, the integral molding structure reduces fasteners and structural size increase caused by fastener installation; at the same time, the integral molding structure reduces the lap joint resistance caused by the spliced structure.

[0018] 2. The shell adopts an integral molding structure, the assembled satellite battery pack has small volume, compact structure, small mass and high mechanical strength, is suitable for being hung on the satellite cabin plate, is beneficial to saving space inside the satellite, is beneficial to weight reduction of the satellite, and reduces the cost of the satellite. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The exploded view of the satellite battery pack mounted in a hanging manner is provided.

[0020] Figure 2A structural schematic diagram of the module support.

[0021] Figure 3 A structural schematic diagram of the integrally formed shell.

[0022] Figure 4 A schematic diagram of the heater installed on the bottom surface of the shell, and the bottom surface of the shell is upward in the figure for clarity. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail with specific examples in combination with the drawings. It should be understood that the following examples are only used to illustrate the utility model and not to limit the scope of the utility model.

[0024] As Figure 1 shown, the satellite battery pack of the hanging installation of the utility model includes the shell 10 with the upper opening and the cover plate 20 covering the upper shell 10, the shell 10 is the integrally formed structure, and the shell 10 and the cover plate 20 are all aluminum alloy materials. The inside of the shell 10 is installed with the battery module 30 by means of the module support 31, and the insulating pad 40 is also arranged between the battery module 30 and the cover plate 20.

[0025] As Figure 2 shown, the module support 31 is the frame structure with a plurality of battery installation holes 32 in the middle, in the embodiment, the battery installation hole 32 is cylindrical, and the cylindrical battery (not shown in the figure) of the battery module 30 is inserted into the battery installation hole 32. The gap between the battery module 30 and the inner surface of the shell 10 is filled and solidified with silicone rubber, which is a conventional means in the field and is not expanded.

[0026] As Figure 3 shown, the shell 10 extends outward along two opposite side edges of the upper opening, and each of the connecting plates 11 is provided with a plurality of fixing holes 1; in combination Figure 1 shown, corresponding to the connecting plate 11 of the shell 10, the outer edge of the two side edges of the cover plate 20 is also provided with a corresponding number of fixing holes 1, so that the two can be connected and fixed by the fixing holes 1 through the fixing member, such as the cross slot countersunk screw 2. In the embodiment, the number of fixing holes 1 is eight, and four fixing holes are arranged on each connecting plate 11. Preferably, one or more reinforcing ribs 17 are arranged between the bottom of each connecting plate 11 and the side edge of the shell 10 to enhance the stability of the connecting plate 11. In the embodiment, the number of reinforcing ribs 17 is two for each connecting plate 11.

[0027] Further, the bottom surface of one side of the shell 10 without the connecting plate 11 extends outward to form a mounting surface 12, the middle of the mounting surface 12 is provided with a mounting groove 13, both sides of the mounting groove 13 are provided with a fixing hole 18, and one side of the upper surface of the mounting surface 12 is provided with a boss 14; the upper part of the side of the shell 10 corresponding to the mounting groove 13 is provided with a wire slot hole 15. Preferably, a reinforcing plate 16 is arranged between each of the two sides of the mounting surface 12 and the side of the shell 10, so as to enhance the stability of the mounting surface 12.

[0028] In combination Figure 1 , the mounting groove 13 is provided with an electrical connector 35, and the electrical connector 35 is fixed by a fixing screw 3 through the fixing hole 18. The wire harness 34 is arranged in the wire slot hole 15, one end of the wire harness 34 is connected with the electrical connector 35, and the other end of the wire harness 34 passes through the wire slot hole 15 into the shell 10 and is welded with the welded bus bar 33 of the battery module 30. The boss 14 is fixed with a grounding resistor 36 by a fixing member such as a screw, and the lead wire of the grounding resistor 36 is connected with a pin lead wire of the electrical connector 35. It should be understood that the battery module 30, the electrical connector 35, the grounding resistor 36, and the wiring mode thereof are known in the art and belong to the conventional means in the art, and therefore will not be described in detail here.

[0029] As shown in Figure 4 , the bottom surface of the shell 10 is recessed inward to form a recess 19, and the recess 19 is provided with a heater 50 for heating the battery module 30. In combination Figure 3 , the mounting surface 12 is also provided with a wire outlet slot 7, the wire outlet slot 7 is communicated with the recess 19, and the lead wire of the heater 50 passes out from the wire outlet slot 7 to the upper side of the mounting surface 12 and is connected with the electrical connector 35.

[0030] Further, as shown in Figure 1 and Figure 3 , the connecting plate 11 of the shell 10 is also provided with a plurality of mounting holes 5, and a mounting hole insulating sleeve 6 is arranged in each mounting hole 5, so as to insulate and fix the satellite battery pack in a suspended manner on the satellite cabin plate. In the embodiment, the number of the mounting holes 5 is six, that is, three mounting holes 5 are arranged on each side of the connecting plate 11.

[0031] The utility model discloses a compact structure of battery group, simple process, and good damping effect is applicable to hoist and install on satellite cabin board. The battery group casing frame is integrally formed aluminum alloy frame, and compared with the structural frame spliced with multiple metal sheets, this integrally formed structure reduces fastener and the structural size increase caused by fastener installation, simultaneously, the integrally formed structure reduces the lap joint resistance caused by splicing structure. This battery group is beneficial to the space saving inside satellite, also is beneficial to satellite weight reduction, reduces satellite cost.

[0032] Although the utility model has been described in detail above through preferred embodiments, the above-mentioned embodiments are not used to limit the utility model, and any modification, equivalent replacement, improvement etc. made by the person skilled in the art within the spirit and principle of the utility model should be included in the scope of the utility model.

Claims

1. A suspended satellite battery pack, characterized in that, The satellite battery pack includes a housing (10) with an opening at the top and a cover plate (20) covering the housing (10). The housing (10) is an integrally formed structure. A battery module (30) is installed inside the housing (10) by means of a module bracket (31). An insulating pad (40) is also provided between the battery module (30) and the cover plate (20).

2. The satellite battery pack according to claim 1, characterized in that, The housing (10) has a connecting plate (11) extending outward from each of the two opposite sides of the upper opening, and the connecting plate (11) has a number of fixing holes; correspondingly, the cover plate (20) also has a corresponding number of fixing holes at the outer edges of the two sides of the connecting plate (11) of the housing (10), and the two are connected and fixed by fasteners through the fixing holes.

3. The satellite battery pack according to claim 2, characterized in that, One or more reinforcing ribs (17) are provided between the bottom of each of the connecting plates (11) and the side of the housing (10).

4. The satellite battery pack according to claim 2, characterized in that, The bottom surface of one side of the housing (10) without the connecting plate (11) extends outward to form a mounting surface (12). A mounting groove (13) is provided in the middle of the mounting surface (12). A fixing hole (18) is provided on each side of the mounting groove (13). A boss (14) is provided on the upper surface of one side of the mounting surface (12). A wire groove hole (15) is provided on the upper part of the side of the housing (10) corresponding to the mounting groove (13).

5. The satellite battery pack according to claim 4, characterized in that, An electrical connector (35) is installed in the mounting slot (13), and the electrical connector (35) is fixed by means of a fixing hole (18) and a fastener.

6. The satellite battery pack according to claim 5, characterized in that, A wire harness (34) is inserted into the wire slot (15). One end of the wire harness (34) is connected to the electrical connector (35), and the other end passes through the wire slot (15) into the housing (10) and is welded and fixed to the welding guide strip (33) of the battery module (30).

7. The satellite battery pack according to claim 5, characterized in that, A grounding resistor (36) is fixed on the boss (14) by a fastener, and the lead of the grounding resistor (36) is connected to a pin lead of an electrical connector (35).

8. The satellite battery pack according to claim 4, characterized in that, A reinforcing plate (16) is provided between each side of the mounting surface (12) and the side of the housing (10) to enhance the stability of the mounting surface (12).

9. The satellite battery pack according to claim 2, characterized in that, The connecting plate (11) of the housing (10) is also provided with a number of mounting holes (5), and each mounting hole (5) is provided with a mounting hole insulating sleeve (6) for insulatingly mounting and fixing the satellite battery pack to the satellite cabin plate in a suspended manner.

10. The satellite battery pack according to claim 1, characterized in that, The module bracket (31) is a frame structure with several battery mounting holes (32) in the middle. The battery mounting holes (32) are cylindrical, and the cylindrical batteries of the battery module (30) are inserted into the battery mounting holes (32).

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