CN217719816U

CN217719816U - Rocket main battery

Info

Publication number: CN217719816U
Application number: CN202123131115.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Beijing Lingkong Tianxing Technology Co Ltd
Current assignee: Beijing Lingkong Tianxing Technology Co Ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-11-01
Anticipated expiration: 2031-12-14

Abstract

The application provides a rocket main battery, includes: the battery comprises a battery shell, wherein an installation space is formed in the battery shell, and a plurality of silica gel pads are arranged in the installation space; the battery cell group package is arranged in the installation space; the charging and discharging port is fixedly arranged on the side wall of the battery shell and is used for being connected with a charging interface of an external main battery charger or electric equipment on the arrow; the positive pole of charge and discharge port is connected with the positive pole of electricity core group package, and the negative pole of charge and discharge port is connected with the negative pole of electricity core group package. The main battery for the rocket has strong impact resistance and can be repeatedly used.

Description

Rocket main battery

Technical Field

The present disclosure relates generally to the technical field of rocket-mounted energy systems, and more particularly to a main battery for a rocket.

Background

After the rocket is launched, rocket-mounted energy mainly comes from a battery device carried by the rocket, and the existing rocket selects a disposable thermal battery as a rocket-mounted main battery, but the battery is used only once, the utilization rate is too low, and the cost is higher; in the ground test stage of the rocket, because the actual thermal battery cannot be used for repeated tests, a voltage-stabilized direct-current power supply is commonly used for replacing the test stage, the use data condition of the rocket-mounted energy system cannot be truly reflected, the service requirements of low cost, short period and repeatable use cannot be met by the rocket-mounted energy composition form of the original rocket, and the main battery for the rocket, which is low in cost, can be used repeatedly and can be used on the ground for performing the actual energy system tests, needs to be provided.

Disclosure of Invention

In view of the above-identified deficiencies or inadequacies in the prior art, it would be desirable to provide a main battery for a rocket that is low cost, repeatable to use, and capable of performing actual energy system testing on the ground.

The application provides a rocket main battery, includes:

the battery comprises a battery shell, wherein an installation space is formed in the battery shell, and a plurality of silica gel pads are arranged in the installation space;

a cell group pack installed in the installation space;

the charging and discharging port is fixedly installed on the side wall of the battery shell and used for being connected with a main charging interface of an external main battery charger or electric equipment on an arrow; the positive electrode of the charge and discharge port is connected with the positive electrode of the battery cell pack, and the negative electrode of the charge and discharge port is connected with the negative electrode of the battery cell pack.

According to the technical scheme provided by the embodiment of the application, an equalizing charge port is arranged on the battery shell and is connected with the battery cell group package through an equalizing charge wire; the equalizing charge port is used for being connected with an equalizing charge port of an external main battery charger so as to monitor and equalize the charge voltage of the battery cell group package.

According to the technical scheme provided by the embodiment of the application, the battery shell comprises a lower shell and an upper cover, wherein the upper cover is detachably connected with the lower shell; the charge and discharge port and the equalizing charge port are arranged on the same side wall of the lower shell.

According to the technical scheme that this application embodiment provided, be equipped with a plurality of on the casing down and be used for the fixing base be connected with the rocket main part, fixed mounting has the blotter on the fixing base.

According to the technical scheme that this application embodiment provided, be equipped with on the internal lateral wall of inferior valve and be used for the restriction the locating part that electrical group package removed, the locating part is close to one side of electrical group package is equipped with first silica gel pad.

According to the technical scheme provided by the embodiment of the application, the charging and discharging port is connected with the battery cell group package through a charging and discharging wire, and the charging and discharging wire and the equalizing charging wire are fixed on the inner wall of the lower shell through elastic rubber.

According to the technical scheme provided by the embodiment of the application, the battery cell group package comprises a plurality of battery cells which are arranged, and the battery cells are connected in series.

According to the technical scheme provided by the embodiment of the application, the battery cell groups are provided with a plurality of battery cell groups, and the battery cell groups are connected in parallel.

According to the technical scheme provided by the embodiment of the application, it is adjacent be equipped with the second silica gel pad between the electricity core group package.

According to the technical scheme provided by the embodiment of the application, the battery cell group package with be equipped with the third silica gel pad between the upper cover.

The beneficial effect of this application lies in: the battery shell is arranged, the mounting space is formed in the battery shell, and the plurality of silica gel pads are arranged in the mounting space, so that the shock resistance of the battery is improved, and the effect of protecting devices in the battery is achieved in the process of recycling the battery; through setting up electric core group package, charge-discharge port just electric core group package with charge-discharge port connects for the battery has the function of charge-discharge, can accomplish the cyclic utilization of battery. The main battery for the rocket has the advantages of being low in cost, recyclable and reusable, and capable of conducting actual energy system testing on the ground.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a top view of a rocket primary battery configuration provided herein;

FIG. 2 is a front view of a rocket main battery according to the present application;

FIG. 3 is a side view of the construction of a rocket primary battery provided herein;

FIG. 4 is an electrical schematic diagram of the rocket main battery shown in FIG. 1;

FIG. 5 is a schematic diagram of charging of the rocket main battery shown in FIG. 1;

FIG. 6 is a schematic diagram of the power supply of the rocket main battery and rocket equipment connected with the rocket shown in FIG. 1;

fig. 7 is a schematic diagram of a parallel connection relationship of 2 groups of cell groups;

reference numerals: 1. a battery cell group package; 2. a charge and discharge port; 3. an equalizing charge port; 4. a lower housing; 5. an upper cover; 6. a fixed seat; 7. a limiting member; 8. a cushion pad; 9. a charge and discharge conductor; 10. a charge equalization conductor; 11. a first connector; 12. a second connector; 13 a third connector; 14. a main battery charger; 15. a main charging interface; 16. and equalizing the charging interface.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Please refer to fig. 1, which is a top view of a structure of a main battery for a rocket provided in the present application, comprising:

the battery cell group assembly 1 is installed in the installation space;

the charging and discharging port 2 is fixedly arranged on the side wall of the battery shell, and the charging and discharging port 2 is used for being connected with a main charging port 15 of an external main battery charger 14 or electric equipment on an arrow; the positive electrode of the charge and discharge port 2 is connected with the positive electrode of the battery cell group assembly 1, and the negative electrode of the charge and discharge port 2 is connected with the negative electrode of the battery cell group assembly 1.

The working principle is as follows: the battery shell is arranged, the mounting space is formed in the battery shell, and the plurality of silica gel pads are arranged in the mounting space, so that the shock resistance of the battery is improved, and the effect of protecting devices in the battery is achieved in the process of recycling the battery; through setting up electric core group package 1, charge and discharge port 2 just electric core group package 1 with charge and discharge port 2 is connected for the battery has the function of charge and discharge, can accomplish cyclic utilization. The main battery for the rocket has the advantages of being low in cost, recyclable and reusable, and capable of conducting actual energy system testing on the ground.

Specifically, the battery cell group package 1 is arranged in the installation space, the battery cell group package 1 and the inner side wall of the lower shell 4 have a certain gap, and according to the size of the gap, a buffer material can be properly added, and a silica gel pad is preferably used.

Specifically, a first connector 11 and a second connector 12 are arranged in the charge and discharge port 2, and the types of the first connector 11 and the second connector 12 are determined according to the number of electric equipment on the arrow; the first connector 11 is connected with the positive electrode of the battery cell group package 1 through the charge and discharge wire 9; the second connector 12 is connected with the negative electrode of the battery cell group package 1;

as shown in fig. 5, when charging, the charge/discharge port 2 is connected to the main charging port 15 of the main battery charger 14 for charging;

as shown in fig. 6, when the main battery performs a discharge test on the ground or supplies power to the devices on the arrow, the first connector 11 is connected to the positive electrode of each of the electrical devices, and the second connector 12 is connected to the negative electrode of each of the electrical devices.

In a preferred embodiment, an equalizing charge port 3 is provided on the battery case, and the equalizing charge port 3 is connected to the battery cell group package 1 through an equalizing charge wire 10; the equalizing charge port 3 is used for connecting an equalizing charge port 16 of an external main battery charger 14 to monitor and equalize the charge voltage of the battery cell pack 1.

Specifically, a third connector 13 is arranged inside the equalizing charge and discharge port 2, the third connector 13 is connected with the battery cell group package 1 through the equalizing charge lead 10, and the electric quantity in the battery charging process is monitored through the equalizing charge port 10; the battery cell group assembly 1 comprises N battery cells, the positive electrode of the charging group assembly 1 is connected with the positive electrode of the second connector, and the negative electrode of each battery cell is connected with the negative electrode of the second connector; namely, the second connector has at least N +1 pins.

In a preferred embodiment, the battery shell comprises a lower shell 4 and an upper cover 5, wherein the upper cover 5 is detachably connected with the lower shell 4; the charging and discharging port 2 and the equalizing charging port 3 are installed on the same side wall of the lower shell 4.

Specifically, the battery case comprises the lower case 4 and the upper cover 5, the upper cover 5 is detachably mounted on the lower case 4, and when the battery cell group 1 inside the battery case is damaged, the battery cell group 1 is convenient to replace; the charge and discharge port 2 and the equalizing charge port 3 are arranged on the same side wall of the lower shell 4, so that the charge and discharge wire 9 and the equalizing charge wire 10 inside the lower shell 4 are arranged on the same side of the battery cell pack 1, the battery cell pack 1 is ensured to have as many side walls as possible to contact with the inner wall of the lower shell 4, and the battery cell pack 1 is easily fixed inside the lower shell 4.

In a preferred embodiment, the lower case 4 is provided with a plurality of fixing seats 6 for connecting with the rocket body, and the fixing seats 6 are fixedly provided with cushion pads 8.

Specifically, a plurality of fixing seats 6 are arranged on the side wall of the lower shell 4 near the bottom, mounting holes are formed in the fixing seats 6, and the lower shell 4 of the rocket is fixed on the rocket main body through the mounting holes by bolts; the fixed seat 6 is provided with the buffer pad 8, and the buffer pad 8 is fixed on the fixed seat through a bolt; the cushion pad 8 is arranged to improve the impact resistance of the lower shell 4 and protect the lower shell 4 in the rocket recovery process.

In a preferred embodiment, a limiting member 7 for limiting the movement of the electric core group package 1 is disposed on a side wall inside the lower casing 4, and a first silica gel pad is disposed on one side of the limiting member 7 close to the electric core group package 1.

Specifically, as shown in fig. 1, a limiting member 7 is disposed on an inner side wall of the lower casing 4, the limiting member 7 is located between the electric core assembly 1 and the charge/discharge port 2 and the equalizing charge port 3 and is close to the electric core assembly 1, and a certain gap is formed between the limiting member 7 and the electric core assembly 1; fixing the position of the cell group package 1 by setting the limiting part 7; the locating part 7 is close to one side of electric core group package 1 is provided with first silica gel pad, first silica gel pad be in locating part 7 with play the cushioning effect between the electric core group package 1, at the rocket recovery in-process, effectively protect electric core group package 1.

In a preferred embodiment, the charge and discharge port 2 is connected to the battery cell pack 1 through a charge and discharge wire 9, and the charge and discharge wire 9 and the equalizing charge wire 10 are fixed on the inner wall of the lower case 4 through elastic rubber.

Specifically, the two ends of the charge and discharge wire 9 are respectively connected with the charge and discharge port 2 and the battery cell pack 1, the two ends of the equalizing charge wire 10 are respectively connected with the equalizing charge port 3 and the battery cell pack 1, the middle connecting line part of the charge and discharge wire 9 and the equalizing charge and discharge wire 9 is fixed on the inner wall of the lower shell 4 through the elastic rubber, and the charge and discharge wire 9 and the equalizing charge wire 10 cannot influence the experiment due to shaking in the test process through the fixing effect of the elastic rubber.

In a preferred embodiment, the cell group package 1 includes a plurality of cells arranged in a row, and the cells are connected in series.

Specifically, the battery cell group package 1 includes a plurality of battery cells arranged in a row, the battery cells are connected in series, and the number of the battery cells is determined according to the voltage requirement of the electric equipment;

in this embodiment, since the voltage requirement of the rocket electrical equipment on the battery is 28V ± 4V, and the voltage of each selected cell is 3V to 4V, the number of the cells is selected to be 8, and 8 cells are connected in series, so that the third connector 13 needs 9 pins.

In this embodiment, the number of the battery cells is 8, and at this time, the number of the second connectors needs to be set to at least 9, where 1 pin is connected to the positive electrode of the battery cell group 1 through the equalizing charge wire 10, and the remaining 8 pins are connected to the negative electrode of each battery cell in the battery cell group 1 through the equalizing charge wire 10.

As shown in fig. 5, when charging, the equalizing charge port 3 is connected to the equalizing charge port 16 of the main battery charger 14, and can monitor the voltage of each cell in the cell group package 1 and transmit a signal to the main battery charger 14; in actual operation, when the electric core group package 1 supplies power to the electric equipment, it cannot be guaranteed that the residual electric quantity of each electric core is kept constant, and the setting of the equalizing charge port 3 can monitor the electric cores and selectively charge each electric core, so that some electric cores are prevented from being charged unsatisfactorily or supersaturatedly.

As shown in fig. 6, when the main battery is used for discharging test on the ground or power supply is provided for the device on the arrow, the equalizing charge port 3 does not need to be connected.

In a preferred embodiment, the battery cell group packages 1 are provided in plurality, and the battery cell group packages 1 are connected in parallel.

Specifically, when the capacity of the cell group package 1 is insufficient, the capacity can be increased by connecting a plurality of cell group packages 1 in parallel;

in this embodiment, the cell group package 1 includes 8 cells, and the cells may be 8*2, 8*3 and … … which are set according to the power consumption of the equipment on the arrow; fig. 7 shows a parallel connection relationship between the two cell group packages 1 when the number of cells is 8*2 sheets.

In a preferred embodiment, a second silicone rubber pad is arranged between the adjacent cell group packages 1.

Specifically, it is adjacent keep certain clearance between the electric core group package 1, through set up in the clearance the second silica gel pad can reduce rocket and retrieve adjacent impact force between the electric core group package 1 plays the protection electric core group package 1's effect.

In a preferred embodiment, a third silicone rubber pad is disposed between the battery cell group package 1 and the upper cover 5.

Specifically, cell group package 1 with be equipped with the third silica gel pad between upper cover 5, make the shock resistance of battery obtains improving, when the rocket is retrieved, the silica gel pad is to inside cell group package 1 plays the guard action.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention according to the present application is not limited to the specific combination of the above-mentioned features, but also covers other embodiments where any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A main battery for a rocket, comprising:

the rocket comprises a battery shell, wherein an installation space is formed in the battery shell, a plurality of silica gel pads are arranged in the installation space, the battery shell comprises a lower shell (4) and an upper cover (5), the upper cover (5) is detachably connected with the lower shell (4), a plurality of fixed seats (6) used for being connected with a rocket main body are arranged on the lower shell (4), and a cushion pad (8) is fixedly arranged on each fixed seat (6);

the battery cell group package (1), wherein the battery cell group package (1) is installed in the installation space;

the charging and discharging port (2) is fixedly mounted on the side wall of the battery shell, and the charging and discharging port (2) is used for being connected with a main charging port (15) of an external main battery charger (14) or electric equipment on an arrow; the positive pole of charge and discharge port (2) with the anodal of electricity core group package (1) is connected, the negative pole of charge and discharge port (2) with the negative pole of electricity core group package (1) is connected.

2. The main battery for rockets according to claim 1, wherein said battery casing is provided with an equalizing charge port (3), said equalizing charge port (3) being connected to said cell group assembly (1) by an equalizing charge wire (10); the equalizing charge port (3) is used for connecting an equalizing charge interface (16) of an external main battery charger (14) so as to monitor and equalize the charge voltage of the battery cell group package (1).

3. A main battery for rockets, according to claim 2, wherein said charge and discharge port (2) and said equalizing charge port (3) are mounted on the same side wall of said lower case (4).

4. The main battery for rockets according to claim 3, wherein a limiting member (7) for limiting the movement of the cell group assembly (1) is disposed on the inner side wall of the lower case (4), and a first silicone rubber pad is disposed on one side of the limiting member (7) close to the cell group assembly (1).

5. The main battery for rockets according to claim 4, wherein said charge and discharge port (2) is connected to said cell group package (1) by a charge and discharge wire (9), said charge and discharge wire (9) and said equalizing charge wire (10) being fixed to the inner wall of said lower case (4) by an elastic rubber.

6. A main battery for a rocket according to any one of claims 1-5 wherein said cell group package (1) comprises a plurality of arranged cells, said cells are connected in series.

7. The main battery for rockets according to any one of claims 1 to 5, wherein there are several said cell packs (1), said cell packs (1) being connected in parallel.

8. The main battery for rockets according to claim 7, characterized in that a second silicone rubber cushion is provided between adjacent cell group packs (1).

9. The main battery for rockets according to claim 8, wherein a third silicone rubber cushion is provided between said cell group pack (1) and said upper cover (5).