CN206585035U - A kind of wide warm high-capacity nickel-hydrogen battery - Google Patents

Abstract

The utility model discloses a nickel-hydrogen battery with wide temperature and high power, which comprises a nickel-hydrogen battery body, wherein the nickel-hydrogen battery body is composed of a battery casing and a cell assembly installed inside the battery casing, wherein the cell assembly includes a negative plate, a diaphragm and the positive plate, wherein the diaphragm is located between the negative plate and the positive plate; the bottom position of the negative plate and the head end of the positive plate are all provided with white edges, wherein the white edges at the bottom of the negative plate are welded and connected with Negative electrode current collector, the utility model enables the whole body of the nickel-metal hydride battery to operate in a relatively large temperature range. Since the high-power nickel-hydrogen battery itself will generate a certain amount of heat, in order not to be affected by the external temperature, the small cooling column Accelerate heat dissipation, and at the same time, because the small heat dissipation column is located at the bottom of the whole, it is difficult for external heat to pass into the inside of the Ni-MH battery body, so that it will not affect the overall heat insulation.

Description

A wide temperature high power Ni-MH battery

technical field

The utility model relates to the field of batteries, in particular to a nickel-hydrogen battery with wide temperature and high power.

Background technique

Ni-MH batteries are synthesized by hydrogen ions and metallic nickel. They have 30% more power reserve than Ni-Cd batteries, are lighter than Ni-Cd batteries, have a longer service life, and are non-polluting to the environment.

Because the existing nickel-metal hydride batteries cannot be isolated from the influence of external temperature, the whole cannot work at a suitable temperature. Even if they have a heat insulation structure, the heat dissipation of the current high-power battery itself cannot be solved.

Utility model content

The purpose of this utility model is to provide a wide temperature and high power nickel-metal hydride battery to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A nickel-metal hydride battery with a wide temperature range and high power includes a nickel-metal hydride battery body, wherein the nickel-metal hydride battery body is composed of a battery casing and a cell assembly installed inside the battery casing, wherein the cell assembly includes a negative plate, a diaphragm, and a positive plate. Wherein the separator is located between the negative plate and the positive plate; the bottom position of the negative plate and the head position of the positive plate are all provided with white edges, and the white edges at the bottom of the negative plate are welded and connected with negative electrode current collectors, The white edge of the head end of the positive plate is welded and connected with a positive current collector; and the positive current collector is welded and connected with a positive pole, and the top of the positive pole extends to the outside of the top surface of the battery case; the negative current collector is spot welded And the wire is connected with a negative pole, the top of the negative pole extends to the outside of the bottom surface of the battery case, and an insulating oil film is coated between the negative electrode current collector and the inner bottom surface of the battery case; the battery case is provided with a wide temperature heat insulation structure, and the wide temperature The thermal insulation structure includes a thermal insulation film wound on the battery case, in which the thermal insulation film is made of asbestos material, and the impact of the external high temperature and low temperature on the Ni-MH battery body can be reduced by using the thermal insulation film; the whole makes The Ni-MH battery body can operate in a relatively large temperature range; the bottom of the battery case is equipped with a heat dissipation structure, and the heat dissipation structure includes small heat dissipation columns in a lattice structure, and the small heat dissipation columns and the battery case are made of aluminum. Therefore, the high-power Ni-MH battery itself will generate a certain amount of heat, and in order not to be affected by the external temperature, the heat insulation film will affect the heat dissipation of the battery shell, and the small heat dissipation column increases the heat dissipation area, making the overall heat dissipation better. In addition, for actual installation, since the small heat dissipation column is located at the bottom of the whole, it is difficult for external heat to pass into the inside of the Ni-MH battery body, so that it will not affect the overall heat insulation.

As a further solution of the present invention: the small heat dissipation columns are in a cylindrical structure, and the number of small heat dissipation columns is 20-35.

As a further solution of the present invention: the heat insulation film is glued to the heat insulation film, and the heat insulation film and the battery case are also glued to each other.

As a further solution of the present utility model: the small cooling column and the battery casing are integrally formed by stamping.

As a further solution of the present utility model: the battery casing is in a cylindrical structure, and the negative pole and the positive pole are fixed to the battery casing through lock nuts.

Beneficial effects of the utility model: the utility model enables the whole body of the nickel-metal hydride battery to operate in a relatively large temperature range, because the high-power nickel-hydrogen battery itself will generate a certain amount of heat, and in order not to be affected by the external temperature, through a small The cooling column speeds up the heat dissipation. At the same time, because the small cooling column is located at the bottom of the whole, it is difficult for external heat to pass into the inside of the Ni-MH battery body, so that it will not affect the overall heat insulation.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of a partial structure of the utility model.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-2. In an embodiment of the present utility model, a wide-temperature high-power Ni-MH battery includes a Ni-MH battery body, wherein the Ni-MH battery body consists of a battery case 1 and a cell assembly installed inside the battery case 1 Composition, wherein the cell assembly includes a negative plate 2, a diaphragm 3 and a positive plate 4, wherein the diaphragm 3 is located between the negative plate 2 and the positive plate 4; the bottom position of the negative plate 2 and the head of the positive plate 4 White edges 5 are provided at the end positions, wherein the bottom white edge 5 of the negative plate 2 is welded and connected with the negative electrode current collector 7, and the head end white edge 5 of the positive electrode plate 4 is welded and connected with the positive electrode current collector 6; and the positive electrode The current collector 6 is welded and connected to the positive pole 9, and the top of the positive pole 9 extends to the outside of the top surface of the battery case 1; the negative current collector 7 is connected to the negative pole 10 by spot welding and wires, and the top of the negative pole 10 extends To the outer side of the bottom surface of the battery case 1, an insulating oil film is coated between the negative electrode current collector 7 and the inner bottom surface of the battery case 1; The heat insulation film 8 on the battery casing 1, wherein the heat insulation film 8 is made of asbestos material, and the heat insulation film 8 is used to reduce the impact of the external high temperature and low temperature on the nickel metal hydride battery body; the whole makes the nickel metal hydride battery body It can operate in a relatively large temperature range; the bottom of the battery case 1 is provided with a heat dissipation structure, wherein the heat dissipation structure includes small heat dissipation columns 12 in a lattice structure, and the small heat dissipation columns 12 and the battery case 1 are both made of aluminum, Therefore, due to the high-power Ni-MH battery itself will generate a certain amount of heat, and in order not to be affected by the external temperature, the heat insulating film 8 will affect the heat dissipation of the battery case 1, and the small heat dissipation column 12 increases the heat dissipation area, making the overall The heat dissipation of the battery has been effectively improved, and for the actual installation, since the small heat dissipation column is located at the bottom of the whole, it is difficult for external heat to pass into the inside of the Ni-MH battery body, which will not affect the overall heat insulation.

The small cooling columns 12 are in a cylindrical structure, and the number of the small cooling columns 12 is 20-35.

The heat insulation film 8 is bonded to the heat insulation film 8 by glue, and the heat insulation film 8 is also bonded to the battery case 1 by glue.

The small cooling post 12 is integrally formed with the battery case 1 by stamping.

The battery casing 1 has a cylindrical structure, and the negative pole 10 and the positive pole 9 are fixed to the battery casing 1 through a locking nut 11 .

The working principle of the utility model is: firstly, the heat insulating film 8 is used to reduce the impact of the external high temperature and low temperature on the nickel-metal hydride battery body; The power Ni-MH battery itself will generate a certain amount of heat, and in order not to be affected by the external temperature, the heat insulation film 8 will affect the heat dissipation of the battery case 1, and the small heat dissipation column 12 increases the heat dissipation area, so that the overall heat dissipation is improved. In addition, for actual installation, since the small heat dissipation column is located at the bottom of the whole, it is difficult for external heat to pass into the inside of the Ni-MH battery body, so that it will not affect the overall heat insulation.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A nickel-metal hydride battery with wide temperature and high power, comprising a nickel-metal hydride battery body, wherein the nickel-metal hydride battery body is composed of a battery casing and a cell assembly installed inside the battery casing, wherein the cell assembly includes a negative plate, a diaphragm, and a positive plate Composition, wherein the diaphragm is set between the negative plate and the positive plate; the bottom position of the negative plate and the head position of the positive plate are all provided with white edges, wherein the white edge of the bottom end of the negative plate is welded and connected with a negative current collector The white edge of the head end of the positive plate is welded and connected with a positive current collector; and the positive current collector is welded and connected with a positive pole, and the top of the positive pole extends to the outside of the top surface of the battery case; the negative current collector uses The spot welding and the wire connection have a negative pole, the top of the negative pole extends to the outside of the bottom surface of the battery case, and an insulating oil film is coated between the negative current collector and the inner bottom surface of the battery case; it is characterized in that: the battery case is equipped with a wide temperature gap Thermal structure, the wide temperature heat insulation structure includes a heat insulation film wound on the battery case, wherein the heat insulation film is made of asbestos material; the bottom of the battery case is provided with a heat dissipation structure, wherein the heat dissipation structure includes a lattice structure The small heat dissipation column, and both the small heat dissipation column and the battery case are made of aluminum. 2. A nickel-metal hydride battery with wide temperature and high power according to claim 1, characterized in that: the small heat dissipation columns are in a cylindrical structure, and the number of small heat dissipation columns is 20-35. 3. A wide temperature and high power Ni-MH battery according to claim 1, characterized in that: the heat insulation film is glued to the heat insulation film, and glue is also used between the heat insulation film and the battery case glue. 4. A nickel-metal hydride battery with wide temperature and high power according to claim 1, characterized in that: the small heat dissipation column and the battery casing are integrally formed by stamping. 5. A wide-temperature high-power Ni-MH battery according to claim 1, characterized in that: the battery case is in a cylindrical structure, and the negative pole and the positive pole are fixed to the battery case by locking nuts .