KR20200063412A - An Electrical power system of artificial satellite having a separable battery package - Google Patents

Abstract

Disclosed is a power system for an artificial satellite device with a separable battery package. According to the present invention, the separable battery package used in the power system for an artificial satellite device is configured by coupling a plurality of battery modules having strings of a multiple of three to each other. Accordingly, the power system for an artificial satellite device with a separable battery package can add or subtract the number of the battery modules so that an electrical storage capacity of the battery package can be easily changed. Also, the power system for an artificial satellite device with a separable battery package can be easily handled when a main body is prefabricated so that operability is excellent and can shorten time when the main body of the artificial satellite device is designed.

Description

An electrical power system of artificial satellite having a separable battery package}

The present invention relates to a satellite device, and more specifically, it is designed to be detachable from a power system applied to the interior of the satellite device, which is advantageous for miniaturization, easy handling, excellent workability, and design time of the satellite device. It relates to a removable battery package that can be shortened.

Between two objects in outer space, a gravitational force called universal attraction acts. An artificial satellite refers to a large-mass object, such as a small-mass object that follows a global gravitational attraction. Currently, these satellite devices are mainly used for broadcasting and communications, weather, earth observation, navigation and location information, science and technology research, and military purposes.

Such a satellite device is composed of a subsystem such as a structure and thermal control system, a posture control system, a communication system, a command and data processing system, and a power system according to its function. Each subsystem ultimately constitutes a battlefield module that is made up of electronic components. In order for the satellite device to successfully complete the mission, the electronic components inside each battlefield module must operate normally from launch to the end of the mission.

Meanwhile, a battery package according to a conventional example is disclosed in Korean Patent Publication No. 10-2018-0083991. However, the battery package has a problem that the electric capacity is fixed and difficult to change. In this regard, it can be said that the battery package, which is one of the components of the power system of the satellite device, still contains a lot of room for improvement.

Republic of Korea Patent Publication No. 10-2018-0083991

The problem to be achieved by the technical idea of the present invention is to shorten the design time of the battery package at the design stage, to facilitate handling, and to be miniaturized, so that workability can be improved and battery modules that are easy to combine and separate, It is to provide a power system for a satellite device having a detachable battery package in which a plurality of these battery modules are combined.

A power system of a satellite device having a detachable battery package according to the present invention for achieving the above technical problem is a sub-system composed of a structure and heat control system, a posture determination control system, a power system, a communication system, and a command/data processing system. In the satellite device having a, the power system, the solar panel that can convert the light energy into electrical energy, and can store the electrical energy generated by the solar panel, the storage capacity of the electrical energy is separated to be adjustable A battery package provided with a plurality of battery modules, a solar power regulator performing a function of deploying the solar panel according to the state of the battery package, and the electric energy of the solar panel and the battery package inside the satellite It is characterized in that it comprises a power converter for converting power to be used for each subsystem and a power divider for distributing power to the subsystem according to a remote control command on the ground.

According to a preferred embodiment of the present invention, the battery modules, a plurality of battery cells (battery cells) installed adjacent to each other in the form of a pillar, the lower support member provided on the lower portion of the battery cell, and the upper portion of the battery cell The upper support member is provided, and a plurality of pillars supporting and fixing the lower support member and the upper support member outside the plurality of battery cells and the upper support member, and electrically connected to the plurality of battery cells It is suitable to have a module printed circuit board (PCB) connected to each other.

According to an embodiment of the present invention, the battery modules are preferably made of a string of multiples of three.

In addition, the battery package may be formed of three battery modules that can be separated.

Meanwhile, according to an embodiment of the present invention, it is preferable that the plurality of battery cells are electrically and detachably connected to the module PCB through wire-type electrodes and connectors provided therein.

Preferably, the upper support member and the lower support member are preferably made of a laminated glass fiber (G10) having high electrical insulation.

According to the present invention described above, first, a battery package applied to a power system of a satellite device according to a preferred embodiment of the present invention is configured by combining a plurality of battery modules composed of strings of multiples of three. Therefore, it is possible to easily change the electrical storage capacity of the battery package by adding or subtracting the number of battery modules.

Along with this, the battery package applied to the power system of the satellite device according to the present invention is easy to handle and has excellent workability because it constitutes a battery package by combining a plurality of battery modules made of strings of multiples of three.

Finally, the battery package applied to the power system of the satellite device according to the present invention reduces the inconvenience of designing the battery package according to the capacity of each satellite design, and can easily apply the battery package through combining and separation. Therefore, it is possible to shorten the time required for the design of the cited satellite device.

1 is a block diagram illustrating a configuration according to a function of a general satellite device.
FIG. 2 is a block diagram illustrating the configuration of a power system among the components of the satellite device of FIG. 1.
3 is a plan view of a battery package according to an embodiment of the present invention.
4 is a perspective view of FIG. 3.
5 to 9 are perspective views, cutaway sectional views, and exploded perspective views for explaining the structure of a battery package according to a preferred embodiment of the present invention.

In order to fully understand the configuration and effects of the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, and can be implemented in various forms and various changes can be made. However, the description of the embodiments is provided to make the disclosure of the present invention complete, and to fully inform the scope of the invention to those of ordinary skill in the art. In the accompanying drawings, the components are enlarged in size than actual ones for convenience of description, and the proportion of each component may be exaggerated or reduced.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person skilled in the art to which the present invention pertains. Terms, such as those defined in a commonly used dictionary, are interpreted to have meanings consistent with meanings in the context of related technologies, and are not to be interpreted as ideal or excessively formal meanings unless explicitly defined in the present application. .

Hereinafter, the present invention will be described in detail by describing preferred embodiments of the present invention with reference to the accompanying drawings. The same reference numerals in each drawing denote the same members.

1 is a block diagram illustrating a configuration according to a function of a general satellite device.

Referring to FIG. 1, an internal configuration of the satellite device 1000 typically includes a structure and a thermal control system 200. The structure and heat control system 200 refers to a panel that is placed on the frame forming the skeleton of the satellite and a battlefield module, and a heat control unit that controls the temperature inside the satellite. In addition, the internal configuration of the satellite apparatus 1000 includes a posture determination system 300, wherein the posture determination system 300 allows the satellite apparatus 1000 to adjust itself and adjust a posture according to a predetermined command in outer space. Refers to the system running'posture control'. In addition, the internal configuration of the satellite device 1000 includes a communication system 400 that transmits and receives commands and data to and from the ground, and a command/data process that plays a key function in the satellite device 1000, such as a human brain. System 500.

Finally, the internal configuration of the satellite device 1000 converts light energy into electrical energy in a solar cell mounted on the satellite device to generate and store electric power, and distributes and supplies it to each system of the satellite device. It includes a power system 100 that performs a role.

FIG. 2 is a block diagram illustrating the configuration of a power system among the components of the satellite device of FIG. 1.

Referring to FIG. 2, the power system 100 of a satellite device according to a preferred embodiment of the present invention includes a solar panel 110 capable of converting light energy into electrical energy therein, and electrical energy generated from the solar panel. And a removable battery package 120, which is a battery package composed of a plurality of battery modules having a structure that can be stored and can be separated so that the storage capacity of electrical energy is adjustable.

In general, the battery package used in the power system 100 of the satellite device must be newly designed to fit the capacity each time it is designed to suit the size and purpose of the satellite device. Therefore, it was difficult to predict its size and structure, and it was not easy to handle or install a bulk battery package. However, since the detachable battery package 120 according to the present invention is configured as a detachable type and can be separated into several modules, it is easy to handle a miniaturized battery package. In addition, when assembling the satellite, the battery package can be miniaturized and handled with a plurality of battery modules, and thus has excellent workability.

The power system 100 of the satellite device according to the present invention includes a solar power controller 130 performing the function of deploying the solar panel 110 according to the state of the battery package, the solar panel 110 and Power converter 140 that converts the electrical energy of the battery package 120 to suit the power used for each subsystem within the satellite device, and power that distributes power to the subsystem according to remote control commands on the ground. It may include a distributor 150.

3 is a plan view of a battery package according to an embodiment of the present invention, and FIG. 4 is a perspective view of FIG. 3.

3 and 4, the detachable battery package 120 according to an embodiment of the present invention includes a plurality of battery cells 11 installed adjacent to each other in the form of a pillar, and a lower portion of the battery cell 11 The lower end support member 20 provided on, the upper end support member 50 provided on the top of the battery cell 11, the lower end support member 20 and the upper end support member 50 outside the plurality of battery cells 11 ) Supporting and fixing a plurality of pillars 73 and a module PCB (refer to 80 of FIG. 7) positioned on the upper portion of the upper support member 50 and electrically connected to the plurality of battery cells 11. It includes.

3 and 4 show a state in which one removable battery package 120 is provided with three removable battery modules. The battery module in the center is in a state where the upper support member 50 is covered at the top. And the left and right battery modules show a state in which only the battery cells 11 are exposed to the outside while the upper support member 50 is not covered. At this time, the battery cells 11 included in each battery module constitute one battery module in nine strings corresponding to multiples of three. The reason for configuring the battery module in multiples of 3 is that each battery cell 11 is electrically connected to the module PCB, and protection circuits for each battery cell 11 are run. This is because it is advantageous to design the protection circuit when the battery cell 11 is composed of three strings in the battery module.

The lower end support member 20 and the upper end support member 50 are preferably made of a laminated glass fiber (G10) whose material has better insulating properties than aluminum. The reason why the laminated glass fiber G10 is used as the material of the lower end supporting member 20 and the upper end supporting member 50 is a wire-type electrode (see 14 and 16 in FIG. 9) detachable from the battery cell 11 This is because, when connected to the module PCB, the influence of the leakage current can be minimized. In addition, the electrical connection from each battery cell 11 to the module PCB is not fixed by a soldering method, but is detachable, so when one of the plurality of battery cells 11 has a problem, a wire-type electrode and connector are pulled out. There is an advantage that it is advantageous to replace by connecting.

Hereinafter, a structure and a coupling method of a detachable battery package according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 5 to 9.

5 is a perspective view of a battery package according to an embodiment of the present invention, and FIG. 6 is a cross-sectional view of FIG. 5 taken along line II-II. 5, the battery package according to an embodiment of the present invention includes a plurality of battery modules (10A, 10B, 10C, 10D, 10E) arranged adjacent to each other in a line in a direction parallel to the X axis, for example, It can be used to supply electrical energy to devices such as satellites and automobiles. Alternatively, the battery package may be used in an energy storage system (ESS). Although not illustrated in FIG. 5, the battery package may further include a battery box in which the plurality of battery modules 10A, 10B, 10C, 10D, and 10E are accommodated. The battery box may include a base (not shown) and a cover (not shown) that are detachably coupled.

7 and 8 are exploded perspective views of the battery module of FIG. 5, FIG. 7 is a view seen from above, FIG. 8 is a view seen from below, and FIG. 9 is a battery cell of FIG. 3, a wire connected to the battery cell, It is a perspective view showing a connector connected to an electric wire. Each of the plurality of battery modules 10A, 10B, 10C, 10D, and 10E shown in FIG. 5 has the same configuration. 7 and 8, the battery module 10 to which reference number '10' is assigned is the same as each of the battery modules 10A, 10B, 10C, 10D, and 10E shown in FIG. 7 and 8 together, the battery module 10 according to an embodiment of the present invention, a plurality of battery cells (battery cell) 11, the lower support member 20, the upper support member 50, It has a plurality of pillars (73), and a module printed circuit board (PCB) 80.

Referring to FIG. 9, each battery cell 11 may be a secondary battery capable of discharging and charging. The battery cell 11 has a cylindrical shape and an electrode (electric pole) is formed on the upper portion 12 and the lower portion 13 (see FIG. 8 ). In the embodiment illustrated in FIG. 9, an anode is formed on the upper portion 12 and a cathode is formed on the lower portion 13, but an electrode may be formed on the contrary. One end of the first electrode wire 14 is connected to the electrode of the upper end 12, and one end of the second electrode wire 15 is connected to the electrode of the lower end 13. The first electrode wire 14 and the second electrode wire 15 are formed of, for example, a metal core (not shown) formed of a copper (Cu) material and extending in one direction, and an outer circumferential surface of the metal core. It is provided with an insulating insulating covering.

A metal core of one end of the first electrode wire 14 and one end of the second electrode wire 15 is soldered to the top 12 electrode and the bottom 13 electrode of the battery cell 11 (14w) ). The metal core of the other end of the first electrode wire 14 and the other end of the second electrode wire 15 may be detachably connected to a module PCB 80 (see FIG. 8) to be described later (connector) ( 16) are combined. The connector 16 is one of a male connector and a female connector. In FIG. 9, the first electrode wire 14 and the second electrode wire 15 are illustrated as extending in contact with the surface of the battery cell 11, but this is only exemplary. In addition, in FIG. 9, portions of the first electrode wire 14 and the second electrode wire 15 are shown to extend in the same direction in contact with each other, but this is only exemplary.

Referring to FIGS. 7 and 8 together, a plurality of battery cells 11 provided in the battery module 10 are arranged in a matrix in an erected state, respectively. In the embodiment shown in FIGS. 7 and 8, 39 battery cells 11 are arranged in an 11×3 matrix. Here, 11 battery cells 11 arranged parallel to the X axis form a row, and 3 battery cells 11 arranged parallel to the Y axis form a column. However, the battery cells 11 arranged in the 11×3 matrix described above are exemplary and the present invention is not limited to the 11×3 matrix described above.

The lower end support member 20 is a member supporting the lower end of the plurality of battery cells 11 by seating the lower end of the plurality of battery cells 11 on the upper side, and the upper end support member 50 is the plurality of battery cells The upper end of (11) is seated on the lower side and is a member supporting the upper ends of the plurality of battery cells (11). The lower end support member 20 is a substantially rectangular board-shaped member, and the lower end seating groove 21 in which the lower end portions of the plurality of battery cells 11 are spaced apart from each other, and the lower end of the battery cell 13 ), the second electrode wire 15 (see FIG. 9) connected to the electrode is more pressed than the lower seating groove 21 so as not to be pressed against the lower part 13 of the battery cell 11 seated in the lower seating groove 21. A deeply dug wire arrangement groove 22 is formed.

The lower seating groove 21 is formed such that 39 lower seating grooves 21 are arranged in an 11×3 matrix to correspond to the matrix of the plurality of battery cells 11. The wire placement groove 22 extends parallel to the X axis to connect the 11 lower seating grooves 21 arranged along the same row.

Like the lower end support member 20, the upper end support member 50 is also a generally rectangular board-shaped member, and the upper end seating groove 51 in which the upper ends of the plurality of battery cells 11 are spaced apart from each other on the lower side ) Is formed. The upper seating groove 51 is formed so that 39 upper seating grooves 51 are arranged in an 11×3 matrix to correspond to the matrix of the plurality of battery cells 11.

The upper end supporting member 50 has a first electrode wire 14 (refer to FIG. 9) connected to an electrode of the battery cell upper end 12 (see FIG. 9 ), the upper end 12 of the battery cell 11 seated in the upper seating groove 25. Without being pressed by, a wire through hole 52 is formed so that the first electrode wire 14 and the second electrode wire 15 penetrate the upper end support member 50. The wire through hole 52 extends parallel to the X axis to connect the 11 upper seating grooves 51 arranged along the same row.

The lower end support member 20 and the upper end support member 50 are formed of an electrically insulating plastic to prevent electric leakage or short circuit between the upper end 12 and the lower end 13 of the battery cell 11. Preferably, the lower support member 20 and the upper support member 50 to protect the battery cell 11 from external shocks and vibrations have excellent rigidity and excellent electrical insulation properties. ).

The module PCB 80 is electrically connected to the other end of the first electrode wire 14 and the second electrode wire 15 described with reference to FIG. 9. Specifically, a connector 82 to which the connector 16 coupled to the other end of the first and second electrode wires 14 and 15 is detachably connected is mounted on the lower surface of the module PCB 80. If the connector 16 coupled to the other end of the first and second electrode wires 14 and 15 is a male connector, the connector 82 mounted on the module PCB 80 is a female connector, and the first and second If the connector 16 coupled to the other end of the electrode wires 14 and 15 is a female connector, the connector 82 mounted on the module PCB 80 is a male connector. The connector 82 mounted on the module PCB 80 may be arranged in an array of 11 × 3 matrices corresponding to the battery cells 11 arranged in a matrix.

The module PCB 80 is fixedly supported by a plurality of bolts (not shown) on the upper support member 50 as shown in FIG. 6. A plurality of bolt through holes 81 through which the plurality of bolts penetrate are formed at an outer circumferential edge portion of the module PCB 80, and the plurality of bolts are fitted on the upper side of the upper support member 50 to fit the plurality of bolts A plurality of bolt fastening holes 71 aligned with the through holes 81 are formed.

Since the connector 16 of each battery cell 11 and the connector 82 of the module PCB 80 are detachably connected one-to-one, some of the battery cells 11 are discharged and charged among the battery cells 11 Even if the disablement occurs, discharging and charging of the entire battery module 10 are not impossible. In addition, the connector 16 of each battery cell 11 and the connector 82 of the module PCB 80 are one-to-one even if all the battery cells 11 are not erected with the anode up and the cathode down. Once connected, the battery module 10 works correctly. Therefore, the assembly of the battery module 10 and the battery package having the same (see FIG. 1) is easy, thereby improving assembly productivity and reducing assembly failure by unskilled workers.

The plurality of pillars 73 are members extending in the vertical direction, and are spaced apart from the plurality of battery cells 11. Each pillar 73 is formed of a metal material such as, for example, an aluminum alloy, and the lower and upper ends of each pillar 73 are fixedly supported by the lower end support member 20 and the upper end support member 50.

The lower end support member 20 is generally rectangular board-shaped and has first and second edges 24 and 31 extending parallel to the Y axis, and third and fourth edges 38 and 39 extending parallel to the X axis. It is provided. The lengths of the first and second edges 24 and 31 extending in the direction parallel to the Y axis are longer than the lengths of the third and fourth edges 38 and 39 extending in the direction parallel to the X axis. The first and second edges 24 and 31 are spaced apart by the same distance around the imaginary center line ML1 of the lower end support member 20 parallel to the Y-axis direction.

Like the lower end support member 20, the upper end support member 50 also has first and second edges 54, 61 extending parallel to the Y axis in a generally rectangular board shape, and third and third edges extending parallel to the X axis. It has a fourth edge (65, 66). The lengths of the first and second edges 54 and 61 extending in the direction parallel to the Y axis are longer than the lengths of the third and fourth edges 65 and 66 extending in the direction parallel to the X axis. The first and second corners 54 and 61 are separated by the same distance around the imaginary center line ML2 of the upper end support member 50 parallel to the Y-axis direction.

The lower support member 20 has first brackets 25, 32, 40 projecting outwardly from the first, second, third, and fourth corners 24, 31, 38, 39. . The lower end of the pillar 73 is fitted into the first brackets 25, 32, and 40 of the lower end supporting member 20 to be contacted and supported. The first bracket (25, 32, 40) of the lower end support member 20, the grooves (groove) (26, 33, 41) of the lower side of the pillar grooves (26, 33, 41) that are dug down from the upper side so as to fit And bolt holes 27, 34, and 42 aligned vertically with the pillar fitting grooves 26, 33, and 41. A bolt fastening hole 74 through which a bolt (not shown) penetrating the bolt through holes 27, 34 and 42 of the first brackets 25, 32 and 40 is fitted is formed at a lower end of the pillar 73.

The lower support member 20 further includes a flange 43 that protrudes outwardly from the third and fourth corners 38 and 39, and the flange 43 penetrates the flange 43 in the vertical direction. A plurality of bolt through holes 44 are formed. A plurality of bolts (not shown) are fastened to the base (not shown) of the battery package (see FIG. 5) through the bolt hole 44 of the flange 43, so that the battery module 10 is fixedly supported to the base .

Like the lower end support member 20, the upper end support member 50 also has first brackets 55, 62, which protrude outward from the first, second, third, and fourth corners 54, 61, 65, 66. 67). The upper ends of the pillars 73 are fitted to the first brackets 55, 62, and 67 of the upper support member 50 to be supported in contact. The first bracket (55, 62, 67) of the upper support member (50), the pillar fitting grooves (56, 63, 68) that are dug up from the lower side so that the upper end of the pillar (73) is fitted, and the pillar fitting groove Bolt holes 57, 64, and 69 aligned with (56, 63, 68) up and down are formed. A bolt fastening hole 75 through which a bolt (not shown) penetrating the bolt through holes 57, 64 and 69 of the first brackets 55, 62 and 67 is fitted is formed at the upper end of the pillar 73.

The lower end support member 20 further includes second brackets 28 and 35 protruding outward from the first edge 24 and the second edge 31. Bolt through holes 29 and 36 penetrating the second brackets 28 and 35 in the vertical direction are formed in the second brackets 28 and 35 of the lower support member 20. The pillar 73 does not contact the second brackets 28 and 35 of the lower support member 20.

The plurality of first brackets 25, 32, and 40 provided on the lower end support member 20 are formed at the same height as each other. That is, the plurality of first brackets 25, 32, and 40 provided on the lower end support member 20 have the same Z-axis coordinate values. The plurality of second brackets 28 and 35 provided on the lower end support member 20 are formed at the same height. That is, the plurality of second brackets 28 and 35 provided on the lower end support member 20 have the same Z-axis coordinate values. Meanwhile, the plurality of second brackets 28 and 35 provided on the lower end support member 20 are positioned lower than the plurality of first brackets 25, 32 and 40 provided on the lower support member 20. That is, the Z-axis coordinate values of the plurality of second brackets 28 and 35 provided on the lower support member 20 are Z of the plurality of first brackets 25, 32 and 40 provided on the lower support member 20. It is smaller than the axis coordinate value.

The second brackets 28 and 35 of the lower support member 20 are formed at opposite edges 24 and 31 of the corners 24 and 31 where they protrude around the center line ML1 of the lower support member 20. It is disposed at a position symmetric to the first bracket (25, 32). In other words, the second bracket 28 protruding outward from the first edge 24 of the lower end supporting member 20 is a first bracket protruding outward from the second edge 31 of the lower supporting member 20. (32) and the center line (ML1) is disposed in a symmetrical position around the center. The second bracket 35 protruding outward from the second edge 31 of the lower end supporting member 20 is the first bracket 25 protruding outward from the first edge 24 of the lower supporting member 20. And the center line ML1 at a symmetrical position.

In other words, the Y-axis coordinate values of the plurality of second brackets 28 projecting outward from the first corner 24 of the lower support member 20 are at the second corner 31 of the lower support member 20. The one-to-one correspondence with the Y-axis coordinate values of the plurality of first brackets 32 protruding outward is the same. In addition, the Y-axis coordinate values of the plurality of second brackets 35 protruding outward from the second corner 31 of the lower support member 20 are outside from the first corner 24 of the lower support member 20. The one-to-one correspondence with the Y-axis coordinate values of the plurality of first brackets 25 protruding with the same.

The upper support member 50 further includes a second bracket 58 protruding outward from the first corner 54. The second bracket 58 of the upper support member 50 is formed with a bolt through-hole 59 penetrating the second bracket 58 in the vertical direction. The pillar 73 is not in contact with the second bracket 58 of the upper support member 50.

The plurality of first brackets 55, 62, and 67 provided on the upper support member 50 are formed at the same height as each other. That is, the plurality of first brackets 55, 62, and 67 provided on the upper end support member 50 have the same Z-axis coordinate values. The plurality of second brackets 58 provided on the upper support member 50 are formed at the same height as each other. That is, the plurality of second brackets 58 provided on the upper support member 50 have the same Z-axis coordinate values. Meanwhile, the plurality of second brackets 58 provided on the upper support member 50 are positioned higher than the plurality of first brackets 55, 62 and 67 provided on the upper support member 50. That is, the Z-axis coordinate values of the plurality of second brackets 58 provided on the upper support member 50 are the Z-axis coordinates of the plurality of first brackets 55, 62 and 67 provided on the upper support member 50. Greater than the value

The second bracket 58 of the upper support member 50 is a first bracket 62 formed on the opposite edge 61 of the corner 54 where it protrudes around the center line ML2 of the upper support member 50 And symmetrical positions. In other words, the second bracket 58 protruding outward from the first corner 54 of the upper support member 50 is a first bracket protruding outward from the second corner 61 of the upper support member 50. It is disposed at a position symmetrical about the 62 and the center line ML2. In other words, the Y-axis coordinate values of the plurality of second brackets 58 projecting outward from the first corner 54 of the upper support member 50 are at the second corner 61 of the upper support member 50. The one-to-one correspondence with the Y-axis coordinate values of the plurality of first brackets 62 protruding outward is the same.

The battery module 10 shown in FIGS. 7 and 8 includes a second bracket at the first and second edges 24 and 31 of the lower support member 20 and the first edge 54 of the upper support member 50. (28, 35, 58), the second edge 61 of the upper support member 50 is not provided with a second bracket. However, the battery module of the present invention is not limited to the embodiments shown in FIGS. 7 and 8, and the first and second edges 24 and 31 of the lower support member 20 and the upper support member 50 If a second bracket protruding outward is provided at at least one of the first and second corners 54 and 61, the present invention is included.

5 and 6 together, the battery package includes a plurality of battery modules 10A, 10B, 10C, 10D, and 10E having the same configuration as the battery module 10 described with reference to FIGS. 7 and 8. . The plurality of battery modules 10A, 10B, 10C, 10D, and 10E are arranged adjacent to each other in a line along a direction parallel to the X axis. Specifically, the lower end support member 20 and the first edge 24 and 54 of the upper end support member 50 of the first battery module 10A are the lower end support member 20 and the upper end of the second battery module 10B. The second corners 31 and 61 of the support member 50 are disposed to face each other, and the lower end support member 20 and the first corner 24 and 54 of the upper support member 50 of the second battery module 10B are disposed. Is disposed facing the lower end supporting member 20 of the third battery module 10C and the second corners 31 and 61 of the upper supporting member 50, and the lower end supporting member 20 of the third battery module 10C ) And the first corners 24 and 54 of the upper support member 50 face the lower support member 20 of the fourth battery module 10D and the second corners 31 and 61 of the upper support member 50. The first edge portions 24 and 54 of the lower end support member 20 and the upper end support member 50 of the fourth battery module 10D are disposed with the lower end support member 20 of the fifth battery module 10E. It is disposed to face the second corners 31 and 61 of the upper support member 50.

In the battery package, the second brackets 28, 35, and 58 provided in one battery module among the pair of battery modules 10A, 10B, 10C, 10D, and 10E disposed adjacent to each other are connected to the other battery module. The first brackets 25, 32, 55, and 62 that are provided are disposed to overlap each other and are coupled to each other. Referring to FIG. 2, for example, the second bracket 28_A provided at the first corner 24 of the lower end support member 20 of the first battery module 10A supports the lower end of the second battery module 10B. The first bracket 32_B provided at the second edge 31 of the member 20 is disposed to overlap vertically. In addition, the second bracket 35_B provided at the second edge 31 of the lower end supporting member 20 of the second battery module 10B is the first of the lower supporting member 20 of the first battery module 10A. The first bracket 25_A provided at the corner 24 is disposed to overlap the top and bottom. In addition, the second bracket 58_A provided on the first edge 54 of the upper support member 50 of the first battery module 10A is the second of the upper support member 50 of the second battery module 10B. The first bracket 62_B provided at the corner 61 is disposed to overlap the top and bottom.

Columns are provided in the column fitting grooves 26, 33, 41, 56, 63, and 68 of the first brackets 25, 32, 40, 55, 62, and 67 of the lower support member 20 and the upper support member 50. 73) the lower end and the upper end are fitted. The first bracket and the second bracket, which are arranged to overlap vertically in the adjacent battery modules 10A, 10B, 10C, 10D, and 10E of the battery package, are coupled by a bolt (not shown), and the bolt is coupled to the second bracket. It is fixed to the pillar through the first bracket.

For example, the second bracket 28_A of the lower end support member 20 of the first battery module 10A overlapped up and down, and the first bracket 32_B of the lower end support member 20 of the second battery module 10B. , And the lower end of the pillar 73 is coupled by a bolt (not shown). Specifically, the bolt penetrates the bolt through hole 29 of the second bracket 28_A, and the bolt through hole 34 of the first bracket 32_B, and the bolt fastening hole 74 of the lower end of the pillar 73 It is fitted to the screw (screw) is fastened to the lower end of the pillar (73).

The second bracket 35_B of the lower end supporting member 20 of the second battery module 10B overlapping up and down, the first bracket 25_A of the lower supporting member 20 of the first battery module 10A, and the pillar ( 73) is also coupled by a bolt (not shown). Specifically, the bolt penetrates the bolt through hole 36 of the second bracket 35_B, and the bolt through hole 27 of the first bracket 25_A, and the bolt fastening hole 74 of the lower end of the pillar 73 By being screwed into the screw, it is fixedly coupled to the lower end of the pillar 73.

The second bracket 58_A of the upper support member 50 of the first battery module 10A overlapped up and down, the first bracket 62_B of the upper support member 50 of the second battery module 10B, and the pillar ( 73) is also coupled by a bolt (not shown). Specifically, the bolt penetrates the bolt through hole 59 of the second bracket 58_A and the bolt through hole 64 of the first bracket 62_B, and the bolt fastening hole 75 of the upper end of the pillar 73 By being screwed into the screw, it is fixedly coupled to the upper end of the pillar 73.

In addition, the first brackets 55_A and 67_A of the upper support member 50 that do not overlap with the second bracket and the upper ends of the pillars 73 fitted to the first brackets 55_A and 67_A are bolts (not shown) ). Specifically, the bolt penetrates through the bolt hole 57 of the first brackets 55_A and 67_A and is screwed into the bolt fastening hole 75 at the upper end of the pillar 73 to be fixed by screwing on the upper end of the pillar 73 Combined. In addition, the first bracket 40_A of the lower end supporting member 20 that is not overlapped with the second bracket, and the lower end of the pillar 73 fitted to the first bracket 40_A are coupled by bolts. Specifically, the bolt penetrates the bolt through hole 41 of the first bracket 40_A and is screwed into the bolt fastening hole 74 at the lower end of the pillar 73 to be fixedly coupled to the lower end of the pillar 73. .

Meanwhile, referring to FIGS. 7 and 8 again, in the case of a battery package having a single battery module 10, the second bracket and the first bracket of the adjacent pair of battery modules 10 do not overlap. Accordingly, in this case, the first brackets 25, 32, 40 of the lower end supporting member 20 and the lower ends of the pillars 73 fitted to the first brackets 25, 32, 40, the first bracket It can be coupled by a bolt (not shown) through the bolt through holes (27, 34, 42) of (25, 32, 40) and screwed into the bolt fastening hole 74 at the lower end of the pillar 73. And, the first bracket (55, 62, 67) of the upper support member 50 and the upper end of the pillar 73 fitted to the first bracket (55, 62, 67), the first bracket (55, 62) , 67) through the bolt through holes (57, 64, 69) and fitted into the bolt fastening hole (75) at the upper end of the pillar (73) can be coupled by a screw fastening bolt (not shown).

The battery package described above is configured by arranging and combining a plurality of battery modules 10 of one type. Therefore, it is possible to easily change the electric capacity of the battery package by adding or subtracting the number of the battery modules 10. In other words, the battery cell 11 constituting the battery module 10, the lower end support member 20, the upper end support member 50, and the pillar 73 are designed and manufactured one by one, respectively, and the battery module 10 Since it is possible to manufacture battery packages of various electric capacities by adding and subtracting the number of pieces, it is possible to lower the production cost of the battery package and to supply the battery package in response to an order quickly.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those skilled in the art will understand that various modifications and other equivalent embodiments are possible therefrom. Therefore, the true protection scope of the present invention should be defined only by the appended claims.

10: battery module
11: Battery cell 20: Lower support member
25,28,32,35,55,58,62: Bracket 50: Upper support member
73: column 80: module PCB
100: power system 110: solar panel
120: detachable battery package 130: solar power regulator
140: power converter 150: power distributor
200: structure and heat control system 300: attitude determination system
400: communication system 500: command/data processing system
1000: satellite device.

Claims (6)

In the satellite device having a subsystem consisting of a structure and thermal control system, attitude control system, power system, communication system and command / data processing system,
The power system,
A solar panel capable of converting light energy into electrical energy;
A battery package provided with a plurality of battery modules that can store electrical energy generated by the solar panel and can be separated so that the storage capacity of the electrical energy is adjustable;
A solar power regulator performing a function of deploying the solar panel according to the state of the battery package;
A power converter that converts the electrical energy of the solar panel and battery package to power used for each subsystem in the satellite; And
And a power divider for distributing power to the sub-system according to a remote control command on the ground. According to claim 1,
The battery modules,
A plurality of battery cells installed adjacent to each other in the form of pillars;
A lower end support member provided under the battery cell;
An upper support member provided on the battery cell;
A plurality of pillars supporting and fixing the lower end support member and the upper end support member outside the plurality of battery cells; And
Power system of the satellite device having a separate battery package, characterized in that it comprises a module printed circuit board (PCB) located on the upper support member and electrically connected to the plurality of battery cells. According to claim 2,
The battery modules,
Power system of a satellite device with a detachable battery package, characterized in that it consists of a string of multiples of three. According to claim 2,
The battery package,
Power system of a satellite device with a detachable battery package, characterized in that it consists of three battery modules that can be separated. According to claim 1,
The plurality of battery cells,
Power system of a satellite device having a detachable battery package, characterized in that the module PCB is electrically and detachably connected to each other through an electrode and a connector in the form of a wire. According to claim 2,
The upper support member and the lower support member,
Power system of a satellite device having a detachable battery package, characterized in that the material is a laminated glass fiber (G10) with high electrical insulation.

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