阅读说明：本技术 一种新能源汽车动力电池直流高压防逆电反流保险管 (Reverse current protective tube is prevented to new energy automobile power battery direct current high pressure ) 是由 宛东 杨玲玲 任宏 于 2021-09-10 设计创作，主要内容包括：本发明涉及一种新能源汽车动力电池直流高压防逆电反流保险管,包括保险管本体,保险管本体包括连接铜片Ⅰ、连接铜片Ⅱ、外壳、铜熔断丝和防逆电反流二极管,铜熔断丝一端与防逆电反流二极管一端连接,铜熔断丝另一端与连接铜片Ⅰ连接,防逆电反流二极管另一端与连接铜片Ⅱ连接,铜熔断丝和防逆电反流二极管分别设置于外壳内；使用时,将保险管本体安装于动力电池母线电缆上,电池通过保险管本体与电器设备连接。动力电池的高电压在铜熔断丝熔断会产生电弧,通过防逆电反流二极管将电弧阻止,防止了因电弧导致动力电池控制系统、电流感应器、采集器精密器件等损坏等问题。(The invention relates to a direct-current high-voltage anti-reverse-current protective tube for a power battery of a new energy automobile, which comprises a protective tube body, wherein the protective tube body comprises a connecting copper sheet I, a connecting copper sheet II, a shell, a copper fuse wire and an anti-reverse-current diode; when the protective tube is used, the protective tube body is arranged on the power battery bus cable, and the battery is connected with electrical equipment through the protective tube body. The high voltage of power battery can produce electric arc at copper fuse wire fusing, prevents electric arc through preventing reverse current backward flow diode, has prevented to lead to damage scheduling problem such as power battery control system, current inductor, the accurate device of collector because of electric arc.)

1. The utility model provides a reverse current protective tube is prevented to new energy automobile power battery direct current high pressure which characterized in that: the fuse comprises a fuse body, wherein the fuse body comprises a connecting copper sheet I, a connecting copper sheet II, a shell, a copper fuse wire and an anti-reverse-current backflow diode, one end of the copper fuse wire is connected with one end of the anti-reverse-current backflow diode, the other end of the copper fuse wire is connected with the connecting copper sheet I, the other end of the anti-reverse-current backflow diode is connected with the connecting copper sheet II, and the copper fuse wire and the anti-reverse-current backflow diode are respectively arranged in the shell; when the protective tube is used, the protective tube body is arranged on the power battery bus cable, and the battery is connected with electrical equipment through the protective tube body.

2. The direct-current high-voltage anti-reverse-current protective tube for the power battery of the new energy automobile according to claim 1, characterized in that: circular fixing holes are formed in the connecting copper sheet I and the connecting copper sheet II respectively, the connecting copper sheet I and the connecting copper sheet II are connected with a bus cable of the power battery through the circular fixing holes, and the protective tube body is arranged on the bus cable.

Technical Field

The invention relates to a direct-current high-voltage anti-reverse current protective tube for a power battery of a new energy automobile.

Background

The new energy automobile power battery does not have the function of direct current high voltage anti-reverse current protective tube, if voltage and current exceed the limit fusing, because power battery voltage all is in hundreds of volts, can produce electric arc during the fusing, the voltage that the load produced directly loads on the generating line to make the total system receive overvoltage impact, lead damage scheduling problem such as power battery control system, current inductor, the accurate device of collector like this.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a reverse current protective tube is prevented to new energy automobile power battery direct current high pressure.

The technical scheme for solving the technical problems is as follows: a direct-current high-voltage anti-reverse-current protective tube for a power battery of a new energy automobile comprises a protective tube body, wherein the protective tube body comprises a connecting copper sheet I, a connecting copper sheet II, a shell, a copper fuse wire and an anti-reverse-current diode; when the protective tube is used, the protective tube body is arranged on the power battery bus cable, and the battery is connected with electrical equipment through the protective tube body.

The further technical scheme of the invention is as follows: circular fixing holes are formed in the connecting copper sheet I and the connecting copper sheet II respectively, the connecting copper sheet I and the connecting copper sheet II are connected with a bus cable of the power battery through the circular fixing holes, and the protective tube body is arranged on the bus cable.

Due to the adoption of the technical scheme, the direct-current high-voltage anti-reverse current protective tube for the power battery of the new energy automobile has the following beneficial effects:

through installing the protective tube on power battery bus cable, produce the trouble if high-voltage component, arouse that voltage and current surpasss the limit, the copper fuse of the palirrhea protective tube of direct current high pressure anticreep blows, because power battery voltage is all in several hundred volts, at this moment, the fusing can produce electric arc, the direct loading of voltage that the load produced is on the bus, electrical equipment will receive overvoltage impact, the diode that prevents in the palirrhea protective tube of direct current high pressure anticreep stops electric arc, prevent to lead to power battery control system because of electric arc, the current inductor, damage scheduling problem such as accurate device of collector. The invention has simple structure, light weight, low price and stable performance; the invention is little influenced by environmental factors, has wide application, can be used as automobile parts and can also be used as electromechanical parts.

The technical features of the direct-current high-voltage anti-reverse current backflow protection tube for the power battery of the new energy automobile according to the present invention are further described below with reference to the drawings and the specific embodiments of the specification.

Drawings

FIG. 1: a structure schematic diagram of a direct-current high-voltage anti-reverse current protective tube of a new energy automobile power battery.

In the above drawings, the respective reference numerals are explained as follows:

1-connecting copper sheet I, 2-connecting copper sheet II, 3-round fixing hole I, 4-round fixing hole I, 5-shell, 6-copper fuse wire and 7-reverse current prevention diode.

Detailed Description

A direct-current high-voltage anti-reverse-current protective tube for a power battery of a new energy automobile comprises a protective tube body, wherein the protective tube body comprises a connecting copper sheet I1, a connecting copper sheet II 2, a shell 5, a copper fuse wire 6 and an anti-reverse-current diode 7, one end of the copper fuse wire 6 is connected with one end of the anti-reverse-current diode 7, the other end of the copper fuse wire 6 is connected with the connecting copper sheet I1, the other end of the anti-reverse-current diode 7 is connected with the connecting copper sheet II 2, and the copper fuse wire 6 and the anti-reverse-current diode 7 are respectively arranged in the shell 5; when the protective tube is used, the protective tube body is arranged on the power battery bus cable, and the battery is connected with electrical equipment through the protective tube body. Circular fixing holes are formed in the connecting copper sheets I1 and the connecting copper sheets II 2 respectively, the connecting copper sheets are connected with a bus cable of the power battery through the circular fixing holes, and the protective tube body is arranged on the bus cable. The electrical equipment normally works within the rated voltage and current. If the high-voltage component breaks down, cause the voltage and current to exceed the limit, the copper fuse wire of the reverse current preventing direct-current high-voltage fuse tube fuses, because the power battery voltage is in hundreds of volts, at the moment, the fusing can generate electric arc, the voltage generated by the load is directly loaded on the bus, electrical equipment is subjected to overvoltage impact, the reverse current preventing diode in the reverse current preventing direct-current high-voltage fuse tube prevents the electric arc, and the problems of damage and the like caused by the electric arc to the power battery control system, the current inductor, the precise device of the collector and the like are prevented.

The specific embodiment is as follows: the utility model provides a reverse current protective tube is prevented to new energy automobile power battery direct current high pressure to the defect function that does not have reverse current protective tube is prevented to high pressure in solving new energy automobile power battery circuit protection, voltage electric current surpasss limit fusing, can produce electric arc during the fusing, leads to damage scheduling problem such as power battery control system, current inductor, the accurate device of collector. The fuse tube comprises a connecting copper sheet I1, a connecting copper sheet II 2, a round fixing hole I3, a round fixing hole I4, a shell 5, a copper fuse wire 6 and an anti-reverse current diode 7. The shell 5 is sealed into the shell by insulating material, inside forms dark circular port cavity by moulding-die shaping, the circular fixed orifices I4 that the I1 one end of connection copper sheet of moulding-die shaping designed has mainly played the fixed action, moulding-die shaping connects the I1 other end of copper sheet and is connected with copper fuse-link 6, moulding-die shaping connects the circular fixed orifices I3 that II 2 one end of copper sheet designed has mainly plays the fixed action, moulding-die shaping connects the II 2 other end of copper sheet and is connected with 7 one end of anti-reverse current diode, the 7 other end of anti-reverse current diode is connected with 6 one end of copper fuse-link, the 6 other end of copper fuse-link is connected with moulding-die shaping connection copper sheet I1, form a whole, and encapsulate in 5 moulding-die shaping of shell forms dark circular port cavity, seal into a whole by insulating material with shell 5. Forming a complete direct-current high-voltage anti-reverse-current protective tube of the automobile power battery.

When the automobile reverse current protection device is used, the complete automobile power battery direct-current high-voltage reverse current protection protective tube is installed on a power battery bus cable, when an automobile is powered on, the battery enables electric energy to flow through the direct-current high-voltage reverse current protection protective tube and be transmitted to electrical equipment, and the electrical equipment normally works in rated voltage and current. If the high-voltage component breaks down, cause voltage and current to exceed the copper fuse wire fusing of extreme direct current high-voltage anti-reverse current protective tube, because power battery voltage is all in several hundred volts, at this moment, the fusing can produce electric arc, the direct loading of voltage that the load produced is on the generating line, electrical equipment will receive overvoltage impact, anti-reverse current diode in the direct current high-voltage anti-reverse current protective tube prevents electric arc, prevent to lead to power battery control system because of electric arc, the current inductor, damage scheduling problem such as accurate device of collector.