CN218215891U

CN218215891U - Unmanned aerial vehicle circular telegram structure of preventing striking sparks

Info

Publication number: CN218215891U
Application number: CN202222680086.XU
Authority: CN
Inventors: 张柏博; 马兖龙; 辛婀娜
Original assignee: Yantai Yundu Hawk Uav Application Technology Co ltd
Current assignee: Yantai Yundu Hawk Uav Application Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-03
Anticipated expiration: 2032-10-12

Abstract

The utility model provides an unmanned aerial vehicle switch-on anti-ignition structure, which comprises a male head and a female head which are mutually spliced, wherein the male head comprises a male head shell, a long pipe foot anode and a short pipe foot anode which are arranged on the male head shell and are mutually connected in parallel, and the female head is provided with a first contact and a second contact which are sequentially distributed; the anode of the long pipe pin is in separable contact with the contact I, and the anode of the short pipe pin is in separable contact with the contact II. The utility model provides an unmanned aerial vehicle circular telegram structure of preventing striking sparks, problem that can effectually avoid electronic unmanned aerial vehicle circular telegram to strike sparks, the cost is lower, safe and reliable.

Description

Unmanned aerial vehicle circular telegram structure of preventing striking sparks

Technical Field

The utility model belongs to the technical field of unmanned aerial vehicle, it relates to an unmanned aerial vehicle circular telegram prevents structure of striking sparks specifically to say so.

Background

Along with electric unmanned aerial vehicle's kind and quantity increase day by day, its power battery has the circular telegram serious problem of striking sparks, above-mentioned problem can cause power battery's interface device's damage, consequence such as battery life discount, very big reduction the life of battery plug, the inside circuit module of unmanned aerial vehicle can be burnt out to the big surge current that electric arc arouses simultaneously, very big influence unmanned aerial vehicle's safe and reliable's use, thereby power battery's use and maintenance cost have been increased. Therefore, how effectual solution electric unmanned aerial vehicle circular telegram problem of striking sparks accords with the objective requirement of unmanned aerial vehicle technical development, has certain promotion effect to promoting light small-size electric unmanned aerial vehicle to use and develop.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned aerial vehicle circular telegram prevents structure of striking sparks, has solved how effectual technical problem who avoids electronic unmanned aerial vehicle circular telegram to strike sparks, and the cost is lower, safe and reliable.

An unmanned aerial vehicle electrified anti-sparking structure comprises a male head and a female head which are mutually inserted, wherein the male head comprises a male head shell, a long pipe pin anode and a short pipe pin anode which are arranged on the male head shell and are mutually connected in parallel, and the female head is provided with a first contact and a second contact which are sequentially distributed; the long pipe foot anode is in separable contact with the contact I, and the short pipe foot anode is in separable contact with the contact II.

The long pipe foot anode comprises a brass base and a current-limiting resistor which are connected with each other, wherein an embedding part is arranged at one end of the current-limiting resistor, an embedding hole is arranged at one end of the brass base, and the embedding part is embedded in the embedding hole;

the other end of the brass base is provided with an external thread, and the external thread is connected with the inner side of the male head shell.

The current limiting resistor is a graphite rod.

The current flowing through the current limiting resistor is less than 2.5A.

The male head is further provided with a negative contact, the female head is provided with a third contact, the negative contact is in separable contact with the third contact, and the lengths of the negative contact, the long-pipe-foot anode and the short-pipe-foot anode are sequentially increased.

The outside of female head is provided with prevents slow-witted groove.

The utility model discloses reach following effect of showing:

a resistor is connected in series with the long pin of the male connector and connected in parallel with the short pin, the long pin is preferentially connected into the jack, the current-limiting resistor plays a role in limiting current and cannot generate an ignition phenomenon, then the short pin is inserted into the jack and can be normally used, and the problem of power-on ignition is avoided.

Drawings

Fig. 1 is a schematic structural view of the fire-fighting prevention structure of the present invention.

Fig. 2 is a schematic structural view of the middle male head of the present invention.

Fig. 3 is a schematic structural view of the female connector of the present invention.

Fig. 4 is a schematic structural diagram of the long pipe foot anode of the present invention.

Fig. 5 is a working principle diagram of the middle ignition-proof structure of the utility model.

Wherein the reference numerals are: 1. a male head; 11. a long pipe foot anode; 111. a current limiting resistor; 112. an insertion section; 113. an insertion hole; 114. a brass base; 115. an external thread; 12. short tube foot positive pole; 13. a negative contact; 14. a male housing; 2. a female head; 21. a first contact; 22. a second contact; 23. a contact point III; 24. a fool-proof groove; 3. unmanned aerial vehicle.

Detailed Description

In order to make the technical features of the present solution clearer, the present solution is explained by the following embodiments.

Referring to fig. 1-5, an unmanned aerial vehicle electrification ignition prevention structure comprises a male head 1 and a female head 2 which are mutually inserted, wherein the male head 1 comprises a male head shell 14, a long pipe pin anode 11 and a short pipe pin anode 12 which are arranged on the male head shell 14 and are mutually connected in parallel, and the female head 2 is provided with a first contact 21 and a second contact 22 which are sequentially arranged; the long pin anode 11 is detachably contacted with the contact I21, and the short pin anode 12 is detachably contacted with the contact II 22.

The long-pipe-pin anode 11 comprises a brass base 114 and a current-limiting resistor 111 which are connected with each other, wherein one end of the current-limiting resistor 111 is provided with an embedding part 112, one end of the brass base 114 is provided with an embedding hole 113, and the embedding part 112 is embedded in the embedding hole 113;

the other end of the brass base 114 is provided with external threads 115, and the external threads 115 are connected with the inner side of the male housing 14.

The current limiting resistor 111 is a graphite rod.

The current flowing through the current limiting resistor is less than 2.5A.

The male head 1 is also provided with a negative contact 13, the female head 2 is provided with a contact III 23, and the negative contact 13 is in separable contact with the contact III 23. The lengths of the negative contact 13, the long-tube-foot anode 11 and the short-tube-foot anode 12 are sequentially increased, the long-tube-foot anode 11 is provided with a current-limiting resistor 111, and the short-tube-foot anode 12 is not provided with a current-limiting resistor.

The outer side of the female head 2 is provided with a fool-proof groove 24.

The utility model discloses a concrete working process:

the utility model provides a prevent structure of striking sparks for 3 power battery of unmanned aerial vehicle mainly is at public first 1 and female 2 structural upgrading improvements that carry out.

The long-tube-foot anode of the male head 1 is connected with a current-limiting resistor in series, the long-tube-foot anode 11 and the short-tube-foot anode 12 are connected in parallel, because the lengths of the negative contact 13, the long-tube-foot anode 11 and the short-tube-foot anode 12 are sequentially increased, the current-limiting resistor 111 is arranged on the long-tube-foot anode 11, and the current-limiting resistor is not arranged on the short-tube-foot anode 12, during contact, the female head 2 is firstly contacted with the negative contact 13 and then contacted with the long-tube-foot anode 11 in a resistance manner, and finally, the short-tube-foot anode 12 is not ignited due to the effect of the current-limiting resistor, even if the ignition is caused by special reasons, the ignition is also caused at the section of the current-limiting resistor of the long-tube-foot anode 11, so that the safety of flight is not influenced, in addition, because the batteries used by the unmanned aerial vehicles are different, the voltage of 22.2V is also 44.4, even the high voltage of 400V is also provided, the resistance value of the resistor is different in voltage, the voltage is also different, and the resistance value of the resistor is required to be different, the whole current-limiting resistor 111 on the long-limiting resistor can be screwed off on the long-limiting resistor 11 through the long-tube-foot anode 11 through the external thread 115, so as to be convenient to be replaced;

when the power is needed to be switched on, the long-pipe-foot anode 11 contacts the contact of the female head 2 firstly, at the moment, due to the effect of the current-limiting resistor, the ignition phenomenon cannot happen to the long-pipe-foot anode 11 and the contact of the female head 2, and then the short-pipe-foot anode 12 contacts the contact of the female head 2.

The current flowing through the long pin anode 11 through the current-limiting resistor is less than 2.5A, and the current flowing through the sparking-preventing structure is less than 2.5A through testing, so that the sparking phenomenon can be effectively avoided.

The technical features of the utility model that are not described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above description is not to the limitation of the utility model, the utility model discloses also not only do not limit to above-mentioned example, and ordinary skilled person in this technical field is in the change, modification, interpolation or replacement that the utility model has made in the essential scope, also should belong to the scope of protection of the utility model.

Claims

1. An unmanned aerial vehicle electrification ignition prevention structure is characterized by comprising a male head (1) and a female head (2) which are mutually spliced, wherein the male head (1) comprises a male head shell (14), a long pipe pin anode (11) and a short pipe pin anode (12) which are arranged on the male head shell (14) and are mutually connected in parallel, and the female head (2) is provided with a first contact (21) and a second contact (22) which are sequentially arranged; the long-pipe-foot anode (11) is in separable contact with the contact I (21), and the short-pipe-foot anode (12) is in separable contact with the contact II (22).

2. An unmanned aerial vehicle electrification ignition prevention structure according to claim 1, wherein the long pin anode (11) comprises a brass base (114) and a current limiting resistor (111) which are connected with each other, an embedding part (112) is arranged at one end of the current limiting resistor (111), an embedding hole (113) is arranged at one end of the brass base (114), and the embedding part (112) is embedded in the embedding hole (113);

the other end of brass base (114) is provided with external screw thread (115), external screw thread (115) with the inboard of public first shell (14) is connected.

3. The unmanned aerial vehicle electrification ignition prevention structure according to claim 2, wherein the current limiting resistor (111) is a graphite rod.

4. The unmanned aerial vehicle electrified anti-spark structure of claim 3, wherein the current flowing through the current limiting resistor is less than 2.5A.

5. An unmanned aerial vehicle electrification ignition prevention structure according to claim 1, wherein a negative contact (13) is further arranged on the male head (1), a third contact (23) is arranged on the female head (2), and the negative contact (13) is in separable contact with the third contact (23);

the lengths of the negative contact (13), the long-pipe-foot positive electrode (11) and the short-pipe-foot positive electrode (12) are sequentially increased.

6. An unmanned aerial vehicle electrification ignition prevention structure according to claim 1, wherein the outer side of the female head (2) is provided with a fool-proof groove (24).