High-temperature-resistant alkaline battery

Abstract

The utility model relates to the field of alkaline batteries, in particular to a high-temperature-resistant alkaline battery which comprises a steel shell, a heat dissipation protection assembly is arranged on the outer wall of the steel shell, and the heat dissipation protection assembly comprises the protection sleeve, a first groove body, a second groove body, a fixing needle, a heat conduction sheet and a heat conduction groove; a protective sleeve is fixedly connected to the outer wall of the steel shell, a groove is formed in the upper end of the steel shell, and a protruding block at the upper end of the protective sleeve is placed in the groove. According to the heat dissipation protection assembly, through the heat conduction grooves formed in the heat conduction pieces, the contact area between the heat dissipation protection assembly and air is increased, the positions, close to the outer wall of the steel shell, of the heat conduction pieces are attached to the outer wall of the steel shell, the temperature on the surface of the battery is dissipated through the four heat conduction pieces, and therefore the high-temperature resistance of the battery is improved; and then a plurality of fixing needles are plugged into a second groove body, and the strength of the protective sleeve is improved, so that the risk of liquid leakage caused by overall deformation of the battery when the battery is collided by external force is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the alkaline battery field, concretely relates to high temperature resistant alkaline battery. BACKGROUND

[0002] Alkaline battery is a kind of primary battery with good conductivity of potassium hydroxide alkaline electrolyte, manganese dioxide as anode and zinc as cathode. Its main components include anode (usually based on zinc), cathode (usually manganese-based paste), ion-conducting separator soaked in alkaline electrolyte, metal shell and anode, current collecting pin connected to cathode, etc.

[0003] The existing alkaline battery generates heat during use, and the existing alkaline battery is insufficient in self-heat dissipation. During temperature rise, the active substance of electrolyte decomposes, resulting in battery capacity reduction and internal pressure increase, which is inconvenient for timely pressure relief, thus causing expansion and shell rupture.

[0004] Therefore, the high temperature resistant alkaline battery is proposed, which has shell heat dissipation, shell reinforcement structure and pressure relief structure, effectively solving the problems of inconvenient heat dissipation and pressure relief during use of alkaline battery, battery expansion damage or low battery life. SUMMARY

[0005] To overcome the problems of inconvenient heat dissipation and pressure relief during use of the existing alkaline battery, resulting in battery expansion damage or low battery life, the high temperature resistant alkaline battery is proposed.

[0006] The technical scheme of the utility model is: the high temperature resistant alkaline battery comprises a steel shell, a protective sleeve and a flow assembly. The outer wall of the steel shell is provided with a heat dissipation protection assembly, which comprises a protective sleeve, a first groove body, a second groove body, a fixed needle, a heat conducting sheet and a heat conducting groove. The outer wall of the steel shell is fixedly connected with the protective sleeve. The upper end of the steel shell is provided with a groove. The upper end protrusion of the protective sleeve is placed in the groove. The outer wall of the protective sleeve is provided with four first groove bodies. The inner wall of the first groove body is fixedly connected with the heat conducting sheet. The outer wall of the heat conducting sheet is provided with uniformly distributed heat conducting grooves. The upper end of the protective sleeve is provided with circularly and uniformly distributed second groove bodies. The inner wall of the second groove body is placed with the fixed needle. The second groove body is not mutually penetrated with the first groove body. The outer wall of the steel shell is attached to one end of the heat conducting sheet close to the axis of the steel shell.

[0007] As a preferred, the inner wall of the steel shell is fixedly connected with a bottom ring at the lower part. The inner wall of the bottom ring is a clamping groove at the lower part. The clamping groove is provided with an insulating ring. The inner wall of the insulating ring is fixedly connected with a negative contact point.

[0008] The upper end of the negative contact point is fixed with a copper needle, the upper end of the negative contact point is matched with the lower end of the bottom ring, the upper end of the negative contact point is fixed with a partition sleeve, the partition sleeve is filled with a negative material, and the outer wall of the partition sleeve is fixed with a diaphragm layer.

[0009] The diaphragm layer and the steel shell are filled with a positive material.

[0010] The circulation assembly comprises an aeration hole and a circulation groove; the upper and lower ends of the bottom ring are provided with circular aeration holes which are uniformly distributed; the groove between the lower end of the protective sleeve and the insulating ring is a circulation groove, and the circulation groove and the aeration hole are mutually penetrated.

[0011] The upper end of the steel shell is provided with a positive contact point.

[0012] The upper end of the inner wall of the steel shell is matched with the upper end of the partition sleeve.

[0013] The heat dissipation protection assembly is provided with heat dissipation grooves on the heat dissipation sheet, the contact area with air is increased, the outer wall of the heat dissipation sheet close to the steel shell is matched with the outer wall of the steel shell, the temperature on the surface of the battery is dissipated through the four heat dissipation sheets, the high temperature resistance of the battery itself is improved, the strength of the protective sleeve is improved by inserting the plurality of fixing needles into the second groove, and the risk of deformation of the battery and liquid leakage caused by external force impact is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the high-temperature-resistant alkaline battery is shown;

[0015] Figure 2 A sectional three-dimensional structure schematic view of the high-temperature-resistant alkaline battery is shown;

[0016] Figure 3 A sectional three-dimensional structure schematic view of the high-temperature-resistant alkaline battery is shown; Figure 2 A sectional three-dimensional structure schematic view of the high-temperature-resistant alkaline battery is shown;

[0017] Figure 4 A sectional three-dimensional structure schematic view of the high-temperature-resistant alkaline battery is shown; Figure 2 A sectional three-dimensional structure schematic view of the high-temperature-resistant alkaline battery is shown;

[0018] Figure 5 A sectional three-dimensional structure schematic view of the high-temperature-resistant alkaline battery is shown.

[0019] The marks in the drawings are: 1, steel shell; 101, protective sleeve; 102, first groove; 103, second groove; 104, fixing needle; 105, heat conduction sheet; 106, heat conduction groove; 2, recess; 3, positive contact point; 4, bottom ring; 5, aeration hole; 6, clamping groove; 7, insulating ring; 8, negative contact point; 9, copper needle; 10, partition sleeve; 11, diaphragm layer; 12, positive material; 13, negative material; 14, flow-through groove. DETAILED DESCRIPTION

[0020] The utility model is further explained below in combination with the drawings and examples.

[0021] Please refer to Figures 1-5 The utility model provides a kind of embodiment: high-temperature-resistant alkaline battery, including steel shell 1;Further including protective sleeve 101 and flow-through assembly, the outer wall of steel shell 1 is provided with heat dissipation protection assembly, and heat dissipation protection assembly includes protective sleeve 101, first groove 102, second groove 103, fixing needle 104, heat conduction sheet 105 and heat conduction groove 106;The outer wall of steel shell 1 is fixedly connected with protective sleeve 101, the upper end of steel shell 1 is provided with recess 2, the upper end protruding block of protective sleeve 101 is placed in recess 2, the outer wall of protective sleeve 101 is provided with four first grooves 102, the inner wall of first groove 102 is fixedly connected with heat conduction sheet 105, the outer wall of heat conduction sheet 105 is provided with evenly distributed heat conduction groove 106, the upper end of protective sleeve 101 is provided with the second groove 103 of circular evenly distribution, the inner wall of second groove 103 is placed fixing needle 104, second groove 103 is not mutually penetrated with first groove 102, the outer wall of steel shell 1 and heat conduction sheet 105 close to the axis of steel shell 1 End fit, heat dissipation protection assembly, by the heat conduction groove 106 that the heat conduction sheet 105 is provided with, improve the contact area with air, so that heat conduction sheet 105 close to the outer wall of steel shell 1 and the outer wall of steel shell 1 are mutually fitted, the temperature on the surface of battery is dissipated by four heat conduction sheets 105, to improve the high-temperature-resistant capability of battery itself, then by inserting multiple fixing needles 104 into second groove 103, the strength of protective sleeve 101 is improved, to prevent the risk of deformation of battery whole and leakage when being collided by external force.

[0022] Please refer to Figures 1-2In the embodiment, the upper end of the steel shell 1 is provided with a positive contact point 3, the inner wall of the steel shell 1 is fixedly connected with a bottom ring 4, the lower part of the inner wall of the bottom ring 4 is a clamping groove 6, the clamping groove 6 is provided with an insulating ring 7, the inner wall of the insulating ring 7 is fixedly connected with a negative contact point 8, the upper end of the negative contact point 8 is fixedly connected with a copper needle 9, the upper end of the negative contact point 8 is in close contact with the lower end of the bottom ring 4, the upper end of the negative contact point 8 is fixedly connected with a partition sleeve 10, the partition sleeve 10 is filled with a negative material 13, the negative material 13 is zinc powder plus KOH electrolyte, the outer wall of the partition sleeve 10 is fixedly connected with a diaphragm layer 11, the diaphragm layer 11 and the steel shell 1 are filled with a positive material 12, the positive material 12 is manganese dioxide plus graphite, the upper end of the inner wall of the steel shell 1 is in close contact with the upper end of the partition sleeve 10, and the basic structure of the battery is composed of the steel shell 1, the positive contact point 3, the bottom ring 4, the insulating ring 7, the negative contact point 8, the copper needle 9, the partition sleeve 10, the diaphragm layer 11, the positive material 12 and the negative material 13. The battery is put into an electric appliance to generate current.

[0023] Please refer to Figures 2-3 In the embodiment, the flow assembly includes an aeration hole 5 and a flow groove 14; the upper and lower ends of the bottom ring 4 are provided with circular aeration holes 5 which are uniformly distributed, and the groove between the lower end of the protective sleeve 101 and the insulating ring 7 is the flow groove 14, the flow groove 14 and the aeration hole 5 are in communication with each other, the insulating ring 7 is placed between the positive and negative electrodes to prevent the positive and negative electrodes from discharging slightly in a humid environment, causing the loss of electric quantity, wherein the aeration hole 5 on the bottom ring 4 can prevent the gas generated during work from causing the battery to swell, and the gas can be discharged through the flow groove 14.

[0024] The basic structure of the battery is composed of the steel shell 1, the positive contact point 3, the bottom ring 4, the insulating ring 7, the negative contact point 8, the copper needle 9, the partition sleeve 10, the diaphragm layer 11, the positive material 12 and the negative material 13. The battery is put into an electric appliance to generate current, a heat dissipation protection assembly is arranged on the outer wall of the steel shell 1, a heat conduction groove 106 is arranged on the heat conduction sheet 105, the contact area with air is increased, the outer wall of the heat conduction sheet 105 close to the outer wall of the steel shell 1 is in close contact with the outer wall of the steel shell 1, the temperature on the surface of the battery is dissipated through the four heat conduction sheets 105, thereby improving the high temperature resistance of the battery itself, then a plurality of fixing needles 104 are inserted into the second groove 103 to improve the strength of the protective sleeve 101, thereby preventing the battery from deforming and leaking when subjected to external impact, wherein the insulating ring 7 is placed between the positive and negative electrodes to prevent the positive and negative electrodes from discharging slightly in a humid environment, causing the loss of electric quantity, wherein the aeration hole 5 on the four can prevent the gas generated during work from causing the battery to swell, and the gas can be discharged through the flow groove 14.

[0025] The embodiment of the utility model is explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A high-temperature resistant alkaline battery, comprising a steel casing (1); characterized in that: It also includes a protective sleeve (101) and a flow assembly. The outer wall of the steel shell (1) is provided with a heat dissipation protection assembly, which includes a protective sleeve (101), a first groove (102), a second groove (103), a fixing pin (104), a heat-conducting plate (105), and a heat-conducting groove (106). The protective sleeve (101) is fixed to the outer wall of the steel shell (1). A groove (2) is opened at the upper end of the steel shell (1). The upper end protrusion of the protective sleeve (101) is placed in the groove (2). The outer wall of the protective sleeve (101) has four A first groove (102) is formed, and a heat-conducting plate (105) is fixed to the inner wall of the first groove (102). The outer wall of the heat-conducting plate (105) is provided with uniformly distributed heat-conducting grooves (106). The upper end of the protective sleeve (101) is provided with a second groove (103) that is uniformly distributed in a circle. A fixing pin (104) is placed on the inner wall of the second groove (103). The second groove (103) is not connected to the first groove (102). The outer wall of the steel shell (1) is attached to the end of the heat-conducting plate (105) near the axis of the steel shell (1).

2. The high-temperature resistant alkaline battery according to claim 1, characterized in that: A bottom ring (4) is fixed to the lower part of the inner wall of the steel shell (1). The lower part of the inner wall of the bottom ring (4) appears to be a groove (6). An insulating ring (7) is provided in the groove (6). A negative contact point (8) is fixed to the inner wall of the insulating ring (7).

3. The high-temperature resistant alkaline battery according to claim 2, characterized in that: A copper needle (9) is fixed to the upper end of the negative electrode contact point (8). The upper end of the negative electrode contact point (8) is in contact with the lower end of the bottom ring (4). A partition sleeve (10) is fixed to the upper end of the negative electrode contact point (8). The partition sleeve (10) is filled with negative electrode material (13). A diaphragm layer (11) is fixed to the outer wall of the partition sleeve (10).

4. The high-temperature resistant alkaline battery according to claim 1, characterized in that: A positive electrode material (12) is filled between the membrane layer (11) and the steel shell (1).

5. The high-temperature resistant alkaline battery according to claim 2, characterized in that: The flow assembly includes aeration holes (5) and flow grooves (14); the bottom ring (4) has aeration holes (5) evenly distributed in a circle at both ends, and the groove between the lower end of the protective sleeve (101) and the insulating ring (7) is the flow groove (14), and the flow groove (14) and the aeration holes (5) are interconnected.

6. The high-temperature resistant alkaline battery according to claim 1, characterized in that: A positive electrode contact point (3) is provided at the upper end of the steel shell (1).

7. The high-temperature resistant alkaline battery according to claim 1, characterized in that: The upper end of the inner wall of the steel shell (1) is attached to the upper end of the partition sleeve (10).

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