CN218472396U

CN218472396U - Wire end connector, electrical connection structure and plant protection equipment

Info

Publication number: CN218472396U
Application number: CN202222682337.8U
Authority: CN
Inventors: 李洪权; 陈凌伟; 韦世贴
Original assignee: Dongguan Xaircraft Technology Co ltd
Current assignee: Dongguan Xaircraft Technology Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-02-10
Anticipated expiration: 2032-10-11

Abstract

The application discloses line end connector, electrical connection structure and plant protection equipment, line end connector includes: the wire end connecting terminal is used for being plugged with the matched connecting terminal; one end of the connecting wire is connected with the wire end connecting terminal, and the other end of the connecting wire is connected with a power supply or an electric element; the connecting wire comprises an internal connecting wire and an external connecting wire, and the wire end connecting terminal is electrically connected with the external connecting wire through the internal connecting wire; the wire harness rubber coating piece is arranged at the end part of the external connecting wire close to the internal connecting wire, an accommodating space is formed, the internal connecting wire or the internal connecting wire and the wire end wiring terminal can be accommodated in the accommodating space, and the wire end wiring terminal can be separated from the accommodating space so as to be externally plugged. The electric connection and the mechanical fixing structure between the wire end connector and the corresponding plugging module are relatively independent, the electric connection has certain flexible freedom degree, and the wire end connector can be independently operated, absorb vibration and is convenient to install.

Description

Wire end connector, electrical connection structure and plant protection equipment

Technical Field

The application relates to the technical field of connectors, in particular to a wire end connector, an electrical connection structure and plant protection equipment.

Background

Connectors, also known as connectors and sockets, generally refer to electrical connectors having a male end capable of transmitting information or electrical current upon contact with a female end.

The connector is widely applied to electrical products, for example, in the field of plant protection equipment, it is necessary to provide driving power for the plant protection equipment through electric power, and drive various mechanisms and moving members on the plant protection equipment to work, or perform communication between each functional module through signal lines, however, the plant protection equipment usually works in a humid working environment and is often accompanied by vibration in the working process, and therefore the connector used for connecting electrical elements thereon is prone to water inflow or fails due to looseness caused by vibration.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: provided are a wire end connector and an electrical connection structure, which can prevent the looseness of insertion due to vibration and ensure the reliability of insertion.

The embodiment of the utility model provides a another aim at: provided are a terminal connector, a connector terminal, and an electrical connection structure, which have excellent sealing performance and can be operated in a humid environment to prevent short-circuiting.

The embodiment of the utility model provides a another aim at: the utility model provides a terminal connector and electrical connection structure which pegs graft conveniently, is convenient for install and maintain.

The embodiment of the utility model provides a still another aim at: the plant protection equipment is stable in electric appliance connection, good in waterproof performance and capable of continuously and stably operating in strong vibration, strong corrosion and humid environments.

In order to achieve the purpose, the following technical scheme is adopted in the application:

in one aspect, a wire end connector is provided, including:

the wire end connecting terminal is used for being plugged with the matched connecting terminal;

one end of the connecting wire is connected with the wire end wiring terminal, and the other end of the connecting wire is connected with a power supply or an electric element;

the connecting wire comprises an internal connecting wire and an external connecting wire, and the wire end connecting terminal is electrically connected with the external connecting wire through the internal connecting wire;

the wire harness rubber coating piece is arranged at the end part, close to the internal connecting wire, of the external connecting wire, an accommodating space is formed, the internal connecting wire or the internal connecting wire and the wire end wiring terminal can be accommodated in the accommodating space, and the wire end wiring terminal can be separated from the accommodating space so as to be externally plugged.

Optionally, the length of the internal connection line is greater than the depth of the accommodating space.

Optionally, the wire harness rubber coating piece comprises a hard rubber coating piece and a soft rubber coating piece which are of an integrated structure, and the accommodating space is formed in the hard rubber coating piece.

Optionally, the external connection line passes through the hard rubber-coated piece and extends into the accommodating space, and the soft rubber-coated piece is sleeved outside the external connection line.

Optionally, a sealing member is arranged on the wire harness rubber coating member and at the opening of the accommodating space.

Optionally, the sealing element is a waterproof ring, a sealing groove is formed in the peripheral portion of the opening of the accommodating space, and the waterproof ring is arranged in the sealing groove.

On the other hand, an electrical connection structure is provided, which includes a functional module provided with a plate end connector and a wire end connector, wherein the plate end connector can be plugged with the wire end connector, and the wire end connector is the wire end connector.

Optionally, the functional module further includes a module housing, the board-end connector is disposed inside the module housing, and the line-end connector extends to the inside of the module housing and is plugged with the board-end connector.

Optionally, the module housing includes an upper housing and a lower housing, the upper housing is provided with an upper opening, and the cable end connector can extend into the module housing through the upper opening and is connected to the board end connector.

Optionally, a sealing member is disposed between the upper housing and the lower housing.

Optionally, a circuit board is arranged inside the module shell, the board end connector is mounted on the circuit board and located on one side, facing the upper opening, of the circuit board, and the board end connector corresponds to the upper opening.

Optionally, a circuit board sealing member is disposed on a peripheral portion of the upper opening and on a side facing the circuit board, and the circuit board sealing member abuts against the circuit board in an assembled state.

In another aspect, a plant protection device is provided, which uses the electrical connection structure as described above for circuit connection.

Optionally, the plant protection device includes a battery module and a plurality of functional modules, and the electrical connection structure is configured to connect the battery module and each of the functional modules, so that each of the functional modules obtains power from the battery module, or the electrical connection structure is configured to implement communication connection between the functional modules.

The beneficial effect of this application does: the inside accommodation space that forms of pencil rubber-coated piece in this scheme can accomodate internal connection line at least, namely, can make internal connection line accomodate wherein after crooked or convolute, at the in-process of pegging graft line end connector and the binding post that corresponds, internal connection line is in the state of stretching, line end binding post is located outside the accommodation space, can directly operate line end binding post, peg graft line end binding post and matched with binding post, but later operation pencil rubber-coated piece cover is established on line end binding post, along with pencil rubber-coated piece and line end binding post be close to internal connection line coiling or accomodate in accommodation space after buckling, the relative position between line end binding post and the pencil rubber-coated piece is adjustable to the internal connection line of buckling or coiling, the pencil has the degree of freedom that moves in accommodation space, thereby can absorb the vibration, improve anti-seismic performance.

Drawings

The present application will be described in further detail below with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural view of a connection line inside a terminal connector according to an embodiment of the present invention in a folded state;

FIG. 2 is an enlarged view of a portion of FIG. 1 at I;

fig. 3 is a schematic structural diagram of an extended state of an internal connection wire of the cable end connector according to an embodiment of the present invention;

fig. 4 is a schematic view of a line end connector according to an embodiment of the present invention;

fig. 5 is a schematic view of another perspective structure of the line end connector according to the embodiment of the present invention;

fig. 6 is a cross-sectional view of a functional module according to an embodiment of the present invention;

fig. 7 is a schematic diagram illustrating a relative position state between the line end connector and the functional module according to an embodiment of the present invention;

fig. 8 is a schematic diagram illustrating another relative position state between the line end connector and the functional module according to the embodiment of the present invention.

In the figure:

100. a wire end connector; 110. a wire end connecting terminal; 120. an internal connection line; 130. an external connection line; 140. wrapping the wire harness with rubber; 141. an accommodating space; 142. hard rubber-coated parts; 1421. connecting holes; 143. soft rubber-coated parts; 144. a waterproof ring; 145. a sealing groove;

200. a functional module; 210. a plate end connector; 220. a module housing; 221. an upper housing; 2211. an upper opening; 2212. a circuit board sealing member; 2213. a boss; 222. a lower housing; 223. a housing seal; 230. a circuit board.

Detailed Description

In order to make the technical problems solved, technical solutions adopted, and technical effects achieved by the present application clearer, the following describes technical solutions of embodiments of the present application in further detail, and it is obvious that the described embodiments are only a part of embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 5, the present application provides a line terminal connector 100 for plugging and matching with a corresponding plate terminal connector 210 so as to implement corresponding signal transmission or supply of electric energy, wherein the line terminal connector 100 comprises:

the wire end wiring terminal 110 is used for being plugged with a matched wiring terminal;

a connection line having one end connected to the line end connection terminal 110 and the other end connected to a power supply or an electric element;

the connecting wires comprise an internal connecting wire 120 and an external connecting wire 130, and the wire end connecting terminal 110 is electrically connected with the external connecting wire 130 through the internal connecting wire 120;

the wire harness wrapping member 140 is disposed at an end of the external connection wire 130 close to the internal connection wire 120, and forms an accommodating space 141, the internal connection wire 120 or the internal connection wire 120 and the wire end connection terminal 110 can be accommodated in the accommodating space 141, and the wire end connection terminal 110 can be separated from the accommodating space 141 to be plugged to the outside.

In the present application, the accommodating space 141 formed inside the harness encapsulating member 140 can accommodate at least the internal connection wire 120, that is, the internal connection wire 120 can be accommodated in the accommodating space after being bent or wound, in the process of inserting the terminal connector 100 into a corresponding connection terminal, the internal connection wire 120 is in an extended state, the terminal end connection terminal 110 is located outside the accommodating space 141, the terminal end connection terminal 110 can be directly operated, the terminal end connection terminal 110 is inserted into a connection terminal matched with the terminal end, then the harness encapsulating member 140 can be operated to cover the terminal end connection terminal 110, the terminal end connection terminal 140 and the terminal end connection terminal 110 are accommodated in the accommodating space 141 after being wound or bent close to the internal connection wire 120, and the bent or wound internal connection wire 120 enables the relative position between the terminal end connection terminal 110 and the harness encapsulating member 140 to be adjustable, and the wire harness has a moving degree of freedom in the accommodating space, so as to absorb vibration and improve the anti-seismic performance.

It should be noted that the accommodating space 141 in the present application may accommodate only the internal connection wire 120, may also accommodate both the internal connection wire 120 and the wire end connection terminal 110, or may accommodate both the internal connection wire 120 and a part of the wire end connection terminal 110, and the present application is not limited to the above specific case.

Meanwhile, in the case that the accommodating space 141 can accommodate all or part of the wire end connection terminal 110, a limiting guide part for fixing and guiding the wire end connection terminal 110 may be formed on an inner wall of the accommodating space 141, so as to fix the wire end connection terminal in the accommodating space 141 in a non-plugging state, and prevent the wire end connection terminal 110 from moving freely to cause the internal connection wire 120 to be pulled and disconnected.

The wiring harness encapsulating piece 140 is further provided with a connecting structure, and the connecting structure is used for being fixedly connected with a module provided with a corresponding wiring terminal. That is, the electrical connection between the wire terminal connector 100 and the corresponding plugging module is relatively independent of the mechanical fixing structure, and the electrical connection itself has a certain degree of flexibility, and can be operated independently, absorb vibration, and facilitate installation.

It should be noted that, the connection terminal described in this application belongs to a wire connection structure commonly used in the field, and the connection terminal is not specifically limited in this application, and a person skilled in the art can select any type and kind of connection terminal to apply to the technical solution of this application according to actual use needs.

The connection structure on the harness rubber coating 140 in this application is the connection holes 1421 uniformly arranged on the periphery of the harness rubber coating 140, corresponding to the connection holes, the module to be butted is provided with fixing holes, the number and positions of the fixing holes correspond to the connection holes 1421, the fixing holes in this embodiment are threaded holes, screws sequentially pass through the connection holes 1421 and the fixing holes, and cooperate with the thread structures in the fixing holes to fix the harness rubber coating 140 to the corresponding module, that is, to fix the cable end connector on the module to be plugged.

Specifically, in order to enable the wire end connection terminal 110 to move relative to the harness rubber coating 140, in this application, the length of the internal connection wire 120 is greater than the depth of the accommodating space 141, the internal connection wire 120 is used for electrically connecting the wire end connection terminal 110 with the external connection wire 130 on one hand, and is used for defining the relative position between the wire end connection terminal 110 and the harness rubber coating 140 on the other hand, and the length of the internal connection wire 120 is set to be greater than the depth of the accommodating space 141, so that it can be ensured that the wire end connection terminal 110 can be located outside the accommodating space 141 in the extended state of the internal connection wire 120, and thus, the individual operation of the wire end connection terminal 110 can be achieved.

In the present application, the length of the internal connection line 120 and the depth of the accommodating space 141 are not specifically limited, and it can be understood that, when solving the technical problem of the terminal connection terminal 110 capable of being independently operated, a person skilled in the art can correspondingly select the length of the internal connection line 120 and the relationship between the length of the internal connection line 120 and the depth of the accommodating space 141 according to actual situations, and meanwhile, the relationship between the length of the internal connection line 120 and the depth of the accommodating space 141 should also be satisfied, and the accommodating space 141 can at least accommodate the bent or wound internal connection line 120 therein.

Further, in this embodiment, the wire harness wrapping member 140 includes a hard wrapping member 142 and a soft wrapping member 143 that are integrated, and the accommodating space 141 is formed in the hard wrapping member 142. In this embodiment, the external connection line 130 passes through the hard rubber coating 142 and extends into the accommodating space 141, and the soft rubber coating 143 is sleeved on the external connection line 130. It is understood that the hard encapsulating member 142 refers to an encapsulating member made of an insulating material which is relatively difficult to deform, and the soft encapsulating member 143 refers to an encapsulating member made of a material which is easy to deform to match the external shape of the external connecting wire 130 and accordingly changes the shape thereof, so as to achieve a tight fit, and the specific material selection of the hard encapsulating member 142 and the soft encapsulating member 143 is within the common knowledge of those skilled in the art, and will not be described in detail in this application. The accommodating space 141 is used for protecting the external connection and the internal connection line 120 and the line end connecting terminal 110, on one hand, the hard rubber-coated piece 142 is used as a shell of the accommodating space, so that on one hand, the fixed shape is easily kept to form the accommodating space 141 with a stable shape, and therefore the internal connection line 120 and the line end connecting terminal are protected, the hard rubber-coated piece 142 is not easily deformed due to stress, so that the structural strength can be ensured, and the line end connecting terminal 110 is prevented from being damaged inside the hard rubber-coated piece 142; on the other hand, the hard rubber coating piece 142 can be used as a handheld part and a connecting part with the module, so that the stability is good, the shape is stable, the alignment is easy, and the connecting strength can be ensured. One end of the soft rubber coating piece 143 is connected with the hard rubber coating piece 142, and the rest part of the soft rubber coating piece is coated on the external connecting line 130, so that the external connecting line 130 has certain freedom of movement while realizing the sealing connection between the external connecting line 130 and the wire harness rubber coating piece 140, and the part of the external connecting line 130, which is coated by the soft rubber coating piece 143, can deform to a certain extent to adapt to the surrounding space and facilitate installation.

As another alternative embodiment of the present application, a sealing member is disposed on the harness rubber cover 140 and at the opening of the accommodating space 141. The sealing member is disposed on the harness encapsulating member 140 to seal the harness encapsulating member 140 and the external electrical device when the terminal connector 100 is connected to the external electrical device, so as to prevent moisture and impurities from entering the harness encapsulating member to affect the use.

Specifically, in this embodiment, the sealing member is a waterproof ring 144, a sealing groove 145 is disposed on an opening peripheral portion of the accommodating space 141, and the waterproof ring 144 is disposed in the sealing groove 145.

In this embodiment, the sealing groove 145 is disposed on the hard rubber coating 142, and the hard rubber coating maintains a fixed shape, so that the waterproof ring 144 is easily installed therein, and alignment with a sealing position on a corresponding module is facilitated.

It should be noted that the waterproof ring 144 is a waterproof rubber ring, but the waterproof rubber ring is not limited to this embodiment, and other waterproof sealing structures commonly used by those skilled in the art, such as a waterproof gasket, may also be used in other embodiments.

Based on the structure, the connection process of the line end connector and the module is as follows:

when the terminal connector 100 needs to be connected to the board-side connector 210 on the module, the line-end connecting terminal 110 is firstly pulled out, and at this time, the internal connecting line 120 is stretched and unfolded, so that the line-end connecting terminal 110 can extend out, and the independent operation of the line-end connecting terminal 110 is facilitated to realize the plugging with the board-side connector 200.

After the end terminal connecting terminal 110 is inserted into the board terminal connector 200, the harness rubber-coated member 140 can be controlled to be connected with the module, in the process that the harness rubber-coated member 140 is close to the module, the internal connecting line 120 is gradually changed from an extending state to a bending/folding state, so as to be accommodated in the accommodating space 141, the connecting hole 1421 on the harness rubber-coated member 140 is aligned with the fixing hole on the module, the fixing connection between the harness rubber-coated member 140 and the module is realized through the screw thread matching of the screw sequentially passing through the connecting hole 1421 and the fixing hole, the harness rubber-coated member 140 and the module clamping waterproof ring 144 are enabled to be clamped through the fastening effect of the screw, so that the sealing effect is ensured.

Meanwhile, referring to fig. 1 to 8, an electrical connection structure is further provided in the present application, including a functional module 200 provided with a plate end connector 210 and a line end connector 100, where the plate end connector 210 can be plugged with the line end connector 100, so as to implement electrical connection between an electrical component (or a power supply) connected to the line end connector 100 and the corresponding functional module 200, where the line end connector 100 is the line end connector 100 described above in this embodiment. The use of the terminal connector 100 provides the electrical connection structure with all of the functional and technical benefits of the terminal connector 100 described above.

Specifically, in this embodiment, the functional module 200 further includes a module housing 220, the board end connector 210 is disposed inside the module housing 220, and the line end connector 100 extends into the module housing 220 and is plugged into the board end connector 210.

In this scheme, since the line end connector 100 is freely movably connected to the harness rubber coating 140 through the internal connection line 120, the line end connector 100 can be independently operated to be inserted into the module housing 220 and inserted into the board end connector 210, thereby avoiding the problem that the line end connector 100 and the board end connector 210 need to be inserted into each other after the module housing 220 is disassembled.

At least two kinds of location need be carried out when terminal connector 100 is connected with functional module 200, at first need satisfy the grafting location of line terminal binding post 110 with board end connector 210 in order to realize pegging graft smoothly, and simultaneously, need satisfy the location of connection structure between pencil rubber coating 140 and the module casing 220, thereby realize fixed connection between them smoothly, set up line terminal connector 100 and pencil rubber coating into relative movement, only need realize alone between them respective independent positioning can, need not to consider influence each other, reduce by a wide margin to product required precision.

In order to facilitate the installation of each functional component inside the module, the module housing 220 includes an upper housing 221 and a lower housing 222, the upper housing 221 and the lower housing 222 are detachably connected to form a device installation space therebetween, an upper opening 2211 is disposed on the upper housing 221, and the line end connector 100 may extend through the upper opening 2211 to the inside of the module housing 220 and be connected to the board end connector 210.

A boss 2213 is arranged on the periphery of the upper opening 2211 and corresponds to the sealing groove 145, and the boss 2213 extends into the sealing groove 145 to jointly extrude the waterproof ring 144 with the wire harness adhesive-coated piece 140 under the state that the wire harness adhesive-coated piece 140 is connected with the module, so that the waterproof ring 144 is clamped to ensure the sealing effect.

A sealing member is disposed between the upper casing 221 and the lower casing 222. The sealing element is arranged to ensure that the upper shell 221 and the lower shell 222 are not connected and then do not leak water through a gap between the upper shell and the lower shell, so that the sealing and waterproof effects are ensured.

Specifically, in this embodiment, a circuit board 230 is disposed inside the module housing 220, the board end connector 210 is mounted on the circuit board 230 and located on a side of the circuit board 230 facing the upper opening 2211, and the board end connector 210 is disposed corresponding to the upper opening 2211. A circuit board seal 2212 is provided on a peripheral portion of the upper opening 2211 on a side facing the circuit board 230, and the circuit board seal 2212 abuts against the circuit board 230 in an assembled state.

Through the arrangement, water cannot leak into the device installation space from the upper opening 2211, and the waterproof performance can be ensured. That is, in the electrical connection structure described in this embodiment, in the connection state, the upper housing 221 and the lower housing 222 are hermetically connected, the circuit board 230 and the upper housing 221 are hermetically connected, and the upper housing 221 and the wiring harness sheathing member 140 are hermetically connected, so that sealing is achieved from various positions, and the sealing and waterproof performance of the product is comprehensively ensured.

Simultaneously, this application embodiment still provides a plant protection equipment, adopts as above the electric connection structure to carry out the line connection.

In this embodiment, the plant protection device includes a battery module and a plurality of functional modules 200, the electrical connection structure is used to connect the battery module and each of the functional modules 200, that is, the external connection line 130 of the line terminal connector 100 is connected to a power supply module, so that each of the functional modules 200 obtains power from the battery module, or the electrical connection structure is used to implement communication connection between the functional modules 200.

It should be noted that the connector assembly described in this embodiment is not limited to connecting the power module and the functional module 200 for supplying power to the functional module 200, and in other embodiments, the electrical connection structure may also be used for connecting different functional modules 200 to implement communication between the functional modules 200.

In this scheme functional module 200 can be spraying module, broadcast module, perception module, flight control module, electricity accent module etc. and be applied to functional module 200 on the plant protection equipment, do not do the restriction to the specific kind of functional module 200 in this application.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used merely for convenience of description and simplicity of operation, and do not indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principles of the present application have been described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the present application and is not to be construed in any way as limiting the scope of the application. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present application without inventive effort, which shall fall within the scope of the present application.

Claims

1. A wire end connector (100) comprising:

the wire end wiring terminal (110) is used for being plugged with the matched wiring terminal;

one end of the connecting wire is connected to the wire end connecting terminal (110), and the other end of the connecting wire is connected to a power supply or an electric element;

the connecting wires comprise an internal connecting wire (120) and an external connecting wire (130), and the wire end connecting terminal (110) is electrically connected with the external connecting wire (130) through the internal connecting wire (120);

the wire harness rubber coating piece (140) is arranged at the end part, close to the internal connecting wire (120), of the external connecting wire (130), an accommodating space (141) is formed, the internal connecting wire (120) or the internal connecting wire (120) and the wire end wiring terminal (110) can be accommodated in the accommodating space (141), and the wire end wiring terminal (110) can be separated from the accommodating space (141) so as to be externally plugged.

2. The terminal connector (100) of claim 1, wherein the length of the internal connection wire (120) is greater than the depth of the receiving space (141).

3. The terminal connector (100) according to claim 1, wherein the harness overmold (140) comprises a hard overmold (142) and a soft overmold (143) in a unitary structure, and the receiving space (141) is formed in the hard overmold (142).

4. The terminal connector (100) of claim 3, wherein the external connection wire (130) extends into the receiving space (141) through the hard gel pack (142), and the soft gel pack (143) is sleeved outside the external connection wire (130).

5. The terminal connector (100) of claim 1, wherein a seal is provided on the bundle overmold (140) at the opening of the receiving space (141).

6. The terminal connector (100) according to claim 5, wherein the sealing member is a waterproof ring (144), the opening periphery of the receiving space (141) is provided with a sealing groove (145), and the waterproof ring (144) is arranged in the sealing groove (145).

7. An electrical connection structure comprising a functional module (200) provided with a plate-end connector (210) and a wire-end connector (100), said plate-end connector (210) being able to be plugged with said wire-end connector (100), characterized in that said wire-end connector (100) is a wire-end connector (100) according to any one of claims 1 to 6.

8. The electrical connection structure of claim 7, wherein the functional module (200) further comprises a module housing (220), the board-end connector (210) is disposed inside the module housing (220), and the wire-end connector (100) extends inside the module housing (220) to be plugged with the board-end connector (210).

9. The electrical connection structure of claim 8, wherein the module housing (220) comprises an upper housing (221) and a lower housing (222), the upper housing (221) is provided with an upper opening (2211), and the wire end connector (100) can extend into the module housing (220) through the upper opening (2211) to be connected with the plate end connector (210).

10. The electrical connection structure according to claim 9, wherein a housing seal (223) is provided between the upper housing (221) and the lower housing (222).

11. The electrical connection structure according to claim 9, wherein the module housing (220) is internally provided with a circuit board (230), the board end connector (210) is mounted on the circuit board (230) and located on a side of the circuit board (230) facing the upper opening (2211), and the board end connector (210) is arranged corresponding to the upper opening (2211).

12. The electrical connection structure according to claim 11, wherein a circuit board seal (2212) is provided on a peripheral portion of the upper opening (2211) on a side facing the circuit board (230), and the circuit board seal (2212) abuts against the circuit board (230) in an assembled state.

13. A plant protection device, characterized in that the electrical connection structure of any one of claims 7-12 is used for line connection.

14. Plant protection equipment according to claim 13, characterized in that it comprises a battery module and a number of functional modules (200), said electrical connection structure being adapted to connect said battery module with each of said functional modules (200) in order to allow each of said functional modules (200) to receive power from said battery module, or to enable a communication connection between functional modules (200).