Environment-friendly cable terminal assembly and assembling method thereof

Abstract

The invention relates to the technical field of cable terminals, and discloses an environment-friendly cable terminal assembly and an assembling method thereof.The environment-friendly cable terminal assembly comprises a mounting base, an output end and an input end which are arranged at equal intervals are arranged in the mounting base, the input end and the output end are in butt joint, and a positioning assembly is arranged on the left side of the upper surface of the mounting base; the output end comprises a connector, a plurality of connecting pieces are connected to the outer surface of the connector in an inserted mode, air supply pipes are arranged in the connecting pieces, the sections of the air supply pipes are in a T shape, and expansion columns used for being heated to expand are arranged on the bottom faces of the connecting pieces. Through mutual cooperation of the sleeve and the first push rod, the position of the connecting piece can be adjusted, when the connecting piece is located between the inner pipe and the connector for connection, the output end and the input end can be spliced together, so that the purpose of further fixing is achieved, and when the connecting piece completely enters the clamping groove, constraint on the output end and the input end can be relieved, so that the fixing effect is improved. And therefore, the overload condition can be avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of cable terminals, and in particular to an environmentally friendly cable terminal assembly and an assembling method thereof. Background Art

[0002] Cable terminals, as the end connection devices of cable lines, play important roles in connecting cables to electrical equipment and distributing electrical energy. Environmentally friendly cables refer to cables that use environmentally friendly materials as insulating sheaths, which can be degraded when discarded, reducing pollution to the environment.

[0003] The Chinese patent with publication number CN118232237A discloses a cable terminal assembly and a superconducting cable system, the superconducting cable system includes a vacuum pipe, a cryogenic pipe and a cable core, the cryogenic pipe is placed in the vacuum pipe, the cryogenic pipe is filled with liquid nitrogen, and the cable core is placed in the cryogenic pipe; the cable terminal assembly includes a first shell, a second shell and a lead-out conductor, the first shell has a first accommodating cavity, the first accommodating cavity is used to communicate with the vacuum pipe; the second shell is at least partially placed in the first accommodating cavity, the second shell is used to communicate with the cryogenic pipe, and the second shell has a second accommodating cavity; the lead-out conductor is at least partially placed in the second accommodating cavity, one end of the lead-out conductor is used to connect to the cable core, and the other end is used to connect to an external electrical component, and the lead-out conductor is a heat conductor. Although the cable terminal assembly and superconducting cable system provided in the present application can improve the reliability of the cable terminal assembly, it cannot disconnect the circuit when the terminal is overheated, thereby causing terminal damage.

[0004] A Chinese patent with publication number CN103166164A discloses an assembly method for a cable terminal, comprising: annularly coating a first sealant on the outer wall of a support tube; annularly coating a second sealant on the first sealant; expanding a shrinkable sleeve and putting it on the support tube, the second sealant is covered by the edge of one end of the shrinkable sleeve, and the adhesion between the second sealant and the shrinkable sleeve and the adhesion between the first sealant and the second sealant are both greater than the adhesion between the first sealant and the support tube; inserting a connected cable and a terminal connector into the support tube, the connection part of the cable and the terminal connector is located in the support tube; and withdrawing the support tube from the shrinkable sleeve so that the shrinkable sleeve is tightly coated on the cable and the terminal connector, and the first sealant and the second sealant are sandwiched between the shrinkable sleeve and the terminal connector.

[0005] Based on the above solution, the cable terminal has a complex process during assembly, and is prone to loose connections, which affects the service life and safety of the cable terminal, and may cause power failures and safety accidents. At the same time, the temperature gradually rises when transmitting traffic, causing the cable terminal to overheat, which may cause a fire in severe cases. Summary of the invention

[0006] The object of the present invention is to provide an environmentally friendly cable terminal assembly and an assembly method thereof to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: an environmentally friendly cable terminal assembly, comprising a mounting seat, wherein the mounting seat is provided with three output terminals and input terminals arranged at equal distances, and the input terminals and the output terminals are connected to each other, and a positioning assembly is provided on the left side of the upper surface of the mounting seat; The output end includes a connector, the outer surface of which is plugged with a plurality of connectors, an air supply pipe is provided inside the connector, and the cross section of the air supply pipe is in a "T" shape, and an expansion column for thermal expansion is provided on the bottom surface of the connector; The input end includes a connecting tube, an inner tube and a rubber ring are respectively arranged inside the connecting tube, a plurality of slots are opened on the inner wall of the inner tube, and each of the slots is matched with a connecting piece, a plurality of heat dissipation pipes are opened on the left side of the inner tube, and the other end of each heat dissipation pipe passes through the connecting tube, and a one-way pressure valve is arranged between the left end of the heat dissipation pipe and the rubber ring.

[0008] By adjusting the position of the connector, the purpose of rapid installation, fixation, heat dissipation and disconnection can be achieved, and overheating of the circuit or unstable connection can be avoided. When the connector is between the inner tube and the connector, the output end and the input end can be spliced ​​together, thereby achieving the purpose of further fixation. When the connector and the heat dissipation pipe are connected, excess heat can be quickly discharged to avoid the internal temperature from gradually increasing. When the connector completely enters the slot, the constraints on the output end and the input end can be released, so that the two can be disconnected to avoid overload.

[0009] Preferably, an annular air inlet groove is opened on the right side of the connecting head, the bottom surface of the expansion column is fixedly connected to the inner wall of the air inlet groove, the expansion column includes a sleeve, a first push rod is slidably connected to the inside of the sleeve, and the interior of the sleeve is filled with expansion material.

[0010] Preferably, the positioning assembly comprises a positioning plate, a plurality of grooves are formed on the upper surface of the positioning plate, and the grooves are matched with the output end, and a plurality of positioning rings are installed on the upper surface of the positioning plate.

[0011] Preferably, the left side of the mounting seat is provided with three equally spaced wire inlet grooves, and the inner wall of the wire inlet groove is in contact with the outer surface of the output end, the lower end in contact with the outer surface of the output end is threadedly connected with a nut, and the right side of the upper surface of the mounting seat is provided with a wire inlet box, and the left side of the wire inlet box and the right end of the input end are electrically connected to each other. Preferably, a splicing plate is provided on the left side of the connecting tube, an extrusion plate is slidably connected inside the splicing plate, a plurality of exhaust grooves are opened on the right side of the extrusion plate, and the cross-section of each exhaust groove is in an inverted "J" shape.

[0012] Preferably, a pressing plate is slidably connected to the outer surface of the connecting tube, a spring is provided between the pressing plate and the splicing disk, a plurality of second push rods are provided on the left side of the pressing plate, the other end of the second push rods passes through the outer surface of the splicing disk and extends to the interior of the exhaust groove, and a plurality of air inlet holes are provided between the splicing disk and the rubber ring.

[0013] Preferably, a first insulating layer is provided inside the inner tube, a first copper wire is provided inside the first insulating layer, the output end also includes a second insulating layer, the second insulating layer is arranged inside the connector, a second copper wire is provided inside the second insulating layer, and the first copper wire and the second copper wire are in contact.

[0014] The present invention also provides an assembling method of an environmentally friendly cable terminal assembly, and the specific operation steps are as follows: S1. Install the output end into the mounting base through the wire entry slot, constrain the position of the output end through the positioning component, push the input end to the right to insert the connector into the input end, and insert the wire again through the nut to achieve the purpose of preliminary splicing; S2. The extrusion plate shrinks inwards through the extrusion of the connector, compressing the gas inside the splicing plate and entering the rubber ring through the air inlet hole to expand and deform it, applying a certain pressure to the connector to make it more firmly fixed; S3. When in use, the internal temperature gradually rises, and the expansion column expands due to heat, causing the connector to gradually rise and gradually enter the slot. At this time, the connector is between the connector and the inner tube, thereby achieving the purpose of clamping and fixing, and avoiding falling off. When the temperature rises to reach the first threshold, the air supply pipe and the heat dissipation pipe are connected, so that the temperature can be discharged to achieve the purpose of heat dissipation; S4. When the temperature rises to reach the second threshold, the connector passes over the connector and completely enters the slot. Part of the heat gradually enters the rubber ring through the one-way pressure valve, causing the inside of the rubber ring to heat up and expand again. As the connector is far away, the rubber ring expands, causing a certain thrust, thereby breaking the expansion column and disconnecting the input and output ends to avoid overheating.

[0015] Technical effects of the present invention: 1. The present invention can adjust the position of the connecting piece through the mutual cooperation of the sleeve and the first push rod. When the connecting piece is between the inner tube and the connector, the output end and the input end can be spliced ​​together, thereby achieving the purpose of further fixation. When the connecting piece completely enters the slot, the constraints on the output end and the input end can be released, so that the two can be disconnected to avoid overload.

[0016] 2. The present invention can quickly discharge excess heat through the cooperation between the connector and the heat dissipation pipe to avoid the gradual increase of the internal temperature. When the heat gradually increases, part of the heat energy passes through the one-way pressure valve to further expand the rubber ring, disconnecting the output end and the input end to avoid the generation of new heat.

[0017] 3. The present invention can expand the rubber ring through the cooperation between the connector and the extrusion plate, and preliminarily fix the connector through the expansion to prevent it from falling off. The position of the connector is changed by heat, so that it can be further fixed to prevent it from falling off.

[0018] 4. The present invention, through the cooperation between the pressing plate and the second push rod, can discharge the gas through the aperture of the movement of the second push rod, so that the internal air pressure of the connecting tube is quickly reduced, and the connecting part is reset, so that it can be quickly disassembled. Under the action of the exhaust groove, the gas can be sprayed to the surroundings to blow away the dust on the surface, so as to prevent the dust from falling on the connection and affecting the next installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall top view structure of the present invention; Figure 2 This is a schematic diagram of the front cross-sectional structure of the mounting seat of the present invention; Figure 3 is a schematic diagram of the cross-sectional structure of a second copper wire of the present invention; Figure 4 This is a schematic diagram of the cross-sectional structure of the mounting seat of the present invention from the right side; Figure 5 This is a schematic diagram of the connecting tube structure of the present invention; Figure 6 This is a schematic diagram of the cross-sectional structure of the connecting tube of the present invention; Figure 7 This is a schematic diagram of the connector structure of the present invention; Figure 8 This is a schematic diagram of the cross-sectional structure of the connector of the present invention; Fig. 9 It is a schematic diagram of the cross-sectional structure of the sleeve of the present invention.

[0020] In the figure: 1. mounting base; 2. output end; 201. connector; 202. connector; 203. air supply pipe; 3. input end; 301. connecting tube; 302. inner tube; 303. rubber ring; 304. slot; 305. heat dissipation pipe; 306. air inlet slot; 4. positioning assembly; 401. positioning plate; 402. positioning ring; 5. expansion column; 501. sleeve; 502. first push rod; 6. wire inlet slot; 7. wire inlet box; 8. splicing plate; 9. extrusion plate; 10. exhaust slot; 11. pressing plate; 12. second push rod; 13. air inlet hole; 14. first insulating layer; 15. first copper wire; 16. second insulating layer; 17. second copper wire. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Embodiment 1

[0022] like Figures 1 to 9 An environmentally friendly cable terminal assembly shown includes a mounting base 1. The bottom surface of the mounting base 1 is provided with a plurality of magnets, which can be adsorbed on the surface of the equipment, so that it is more convenient to fix the whole device. At the same time, the position can be freely adjusted according to the length of the wire to prevent the situation of insufficient distance. The interior of the mounting base 1 is respectively provided with three output terminals 2 and input terminals 3 arranged at equal distances, and the input terminal 3 is connected to the output terminal 2, so that the current can pass through to achieve the purpose of the passage. When it needs to be disconnected, it only needs to disconnect the two ends to achieve power off. A positioning component 4 is provided on the left side of the upper surface of the mounting base 1. The positioning component 4 can play an effective positioning role during installation, so that the output terminal 2 can be installed according to the specified track, making it more convenient during installation; The positioning assembly 4 includes a positioning plate 401, and a plurality of grooves are provided on the upper surface of the positioning plate 401, and the grooves are adapted to the output terminal 2. The grooves enable the output terminal 2 to be directly clamped inside the grooves to avoid misalignment during installation. A plurality of positioning rings 402 are installed on the upper surface of the positioning plate 401, and the positioning rings 402 and the positioning plate 401 are directly fixed with screws. During the initial installation, the screws can be fixed halfway, which can exert a certain constraint on the output terminal 2, but some minor adjustments can also be made. After the installation is completely completed, the screws are completely fixed to avoid loosening.

[0023] The output end 2 includes a connector 201, which is made of rubber material and can effectively play an insulating role to avoid electric shock. The outer surface of the connector 201 is plugged with a plurality of connectors 202, and the connector 202 can freely adjust its position according to actual conditions, so as to achieve the purpose of rapid installation, fixation, heat dissipation and disconnection, and avoid overheating of the circuit or unstable connection. An air supply pipe 203 is provided inside the connector 202, and the cross-section of the air supply pipe 203 is in a "T" shape, so that heat can be transferred to two opposite directions, and heat can be discharged in the right direction and the left direction. The heat can be utilized in the lateral direction to make the rubber ring 303 over-expand and tear off the joint, thereby disconnecting the circuit and avoiding overheating. The bottom surface of the connector 202 is provided with an expansion column 5 for thermal expansion. The expansion column 5 can expand to a certain extent according to the temperature change, driving the upper connector 202 to move, so that the position of the connector 202 can be adjusted according to the actual temperature. The expansion column 5 and the connector 202 are connected by glue. When the temperature reaches the second threshold, part of the glue melts, making it easier to disconnect the expansion column 5 and the connector 202, avoiding the situation of being stuck. An annular air inlet groove 306 is provided on the right side of the connector 201, so that heat can enter the interior of the connector 201 through the air inlet groove 306, thereby increasing the internal temperature and causing the expansion column 5 to gradually extend outward. The bottom surface of the expansion column 5 is fixedly connected to the inner wall of the air inlet groove 306. The expansion column 5 includes a sleeve 501, and a first push rod 502 is slidably connected to the interior of the sleeve 501. The interior of the sleeve 501 is filled with expansion material, which can be affected by temperature. The higher the temperature, the greater the expansion.

[0024] The input end 3 includes a connecting tube 301, and an inner tube 302 and a rubber ring 303 are respectively arranged inside the connecting tube 301. The right side of the rubber ring 303 is in close contact with the left side of the inner tube 302. The inner wall of the inner tube 302 is provided with a plurality of slots 304, and each slot 304 is adapted to the connecting piece 202. The slots 304 are used to clamp the connecting piece 202, so that the connecting piece 202 is located between the inner tube 302 and the connector 201, so that the position can be further fixed to avoid falling off. The left side of the inner tube 302 is opened. A plurality of heat dissipation pipes 305 are provided, and the other end of each heat dissipation pipe 305 passes through the connecting tube 301. A one-way pressure valve is provided between the left end of the heat dissipation pipe 305 and the rubber ring 303. The heat dissipation pipe 305 can effectively export the internal heat to avoid overheating at the circuit connection. The one-way pressure valve can block the heat and discharge the heat from the right side first. When the pressure on the right side cannot be met, the pressure gradually increases, causing the one-way pressure valve to open and introduce part of the heat to the left side. The one-way pressure valve can only allow the gas to move from the right side to the left side.

[0025] The left side of the mounting base 1 is provided with three equidistantly arranged wire inlet grooves 6, and the inner wall of the wire inlet grooves 6 is in contact with the outer surface of the output terminal 2, so that the position of the output terminal 2 can be completely fixed in cooperation with the positioning component 4 to prevent the position of the output terminal 2 from being changed by some external factors during subsequent use, causing the output terminal 2 to bend and affect current transmission. The lower end that is in contact with the outer surface of the output terminal 2 is threadedly connected with a nut. When the nut is completely fixed, it can be further installed and fixed. A wire inlet box 7 is provided on the right side of the upper surface of the mounting base 1. The left side of the wire inlet box 7 and the right end of the input terminal 3 are electrically connected to each other, so that the current can be collected and transmitted to the inside of the device through the wire inlet box 7.

[0026] A splicing disk 8 is provided on the left side of the connecting tube 301. The outer surfaces of the splicing disk 8 and the connecting head 201 are provided with alignment strips. The alignment strips can align the installation position of the connecting head 201 to avoid subsequent problems. The splicing disk 8 and the connecting head 201 are provided with a magnet ring on one side close to each other, and the two magnet rings are magnetically attracted to each other and can be initially fixed. The splicing disk 8 is internally slidably connected with an extrusion plate 9. The left side of the extrusion plate 9 passes through the splicing disk 8. When the extrusion plate 9 is squeezed by the connecting head 201, it can move to the right side to compress the gas inside the splicing disk 8 so that the gas can enter the rubber ring 303 through the air inlet 13 to further expand it. A number of exhaust grooves 10 are provided on the right side of the extrusion plate 9, and the cross-section of each exhaust groove 10 is inverted "J" shape. When exhausting, the gas can be sprayed to the surroundings to blow away the dust on the surface to prevent dust from falling into the connection and affecting the next installation.

[0027] The outer surface of the connecting tube 301 is slidably connected with a pressing plate 11. A spring is provided between the pressing plate 11 and the splicing disk 8. The position of the pressing plate 11 can be manually adjusted. The pressing plate 11 is pulled away so that the gas can be discharged through the aperture of the movement of the second push rod 12, so that the internal air pressure of the connecting tube 301 is quickly reduced, so that it can be quickly disassembled. A plurality of second push rods 12 are provided on the left side of the pressing plate 11. The other end of the second push rod 12 penetrates the outer surface of the splicing disk 8 and extends to the inside of the exhaust groove 10. The splicing disk 8 and the rubber A plurality of air inlet holes 13 are provided between the rubber rings 303, and the air inlet holes 13 can serve the purpose of gas transmission. A first insulating layer 14 is provided inside the inner tube 302, and a first copper wire 15 is provided inside the first insulating layer 14. The output end 2 also includes a second insulating layer 16, and the second insulating layer 16 is arranged inside the connector 201, and a second copper wire 17 is provided inside the second insulating layer 16. The first copper wire 15 and the second copper wire 17 are in contact with each other, and the first insulating layer 14 and the second insulating layer 16 are both made of environmentally friendly rubber materials.

[0028] During actual installation, the output end 2 is passed through the wire entry slot 6 and the positioning assembly 4 in turn. By fixing the screw halfway, the output end 2 can be constrained to a certain extent, but some minor adjustments can also be made. The connector 201 of the output end 2 is gradually inserted into the connecting tube 301, so that the second copper wire 17 inside is gradually close to the first copper wire 15. At this time, the extrusion plate 9 is squeezed by the connector 201 and gradually moves to the right, compressing the gas inside the splicing plate 8, so that the gas can enter the rubber ring 303 through the air inlet 13, so that the rubber ring 303 further expands, and the connector 201 is fixed again to avoid retreat. When the splicing is completed, the two magnet rings can be adsorbed together, so as to play a certain restraining role. When the installation is completely completed, the screws are completely fixed to avoid loosening.

[0029] During actual use, a certain amount of heat is generated during the current transmission process, and the temperature gradually increases. Part of the heat enters the interior of the connector 201 through the air inlet groove 306, causing the internal temperature to increase, causing the expansion material inside the sleeve 501 to expand due to the heat. Under the action of extrusion, the expansion column 5 is pushed to drive the connector 202 to gradually move upward, causing the connector 202 to gradually rise and enter the card slot 304. At this time, the connector 202 is between the connector 201 and the inner tube 302, thereby achieving the purpose of card connection and fixing, and avoiding falling off.

[0030] When the temperature rises and reaches the first threshold, the expansion material inside the sleeve 501 expands again due to the heat. Under the effect of extrusion, the expansion column 5 is pushed to increase the upward movement distance of the connecting piece 202, causing the connecting piece 202 to rise again, so that the right end of the air supply pipe 203 and the left end of the heat dissipation pipe 305 are connected. The newly generated heat can be continuously discharged through the heat dissipation pipe 305, thereby achieving the purpose of heat dissipation and avoiding overheating.

[0031] When the temperature rises again and reaches the second threshold, it indicates that the internal temperature of the input terminal 3 is abnormal, and the circuit needs to be disconnected to avoid circuit damage, and the following adjustments need to be made: The expansion material inside the sleeve 501 expands again due to the heat. Under the effect of extrusion, the expansion column 5 is pushed to drive the connector 202 to move upwards again, causing the connector 202 to rise again until it enters the slot 304. Since the heat dissipation pipe 305 is not sufficient to dissipate heat at this time, the air pressure inside the heat dissipation pipe 305 increases, and the one-way pressure valve is opened. Part of the heat gradually enters the rubber ring 303 through the one-way pressure valve, causing the rubber ring 303 to heat up and expand again. Since the connector 202 directly passes over the outer surface of the connector 201, the output end 2 and the input end 3 are clamped together through the expansion column 5. Under the expansion effect of the rubber ring 303, a certain thrust is generated, thereby breaking the expansion column 5, disconnecting the input end 3 and the output end 2, and preventing the temperature from rising again and burning the entire cable terminal.

[0032] When it is necessary to disassemble after normal use, the position of the pressing plate 11 is manually pulled to remove the pressing plate 11, so that the gas is discharged from the aperture that can pass through the movement of the second push rod 12. As the internal gas of the splicing disk 8 is reduced and the air pressure is reduced, the gas inside the rubber ring 303 enters the interior of the splicing disk 8 through the air inlet 13. Correspondingly, due to the reduction in the internal air pressure of the rubber ring 303, the one-way valve on the right is easier to open, so that the heat at the connection is discharged and enters the interior of the rubber ring 303. As the heat discharge at the connection gradually decreases and the temperature decreases, the expansion material inside the expansion column 5 cools and shrinks, driving the connector 202 to reset and release the limit, so that the connector 201 can be pulled out from the inside of the connecting tube 301. When a gap appears between the connector 201 and the splicing disk 8, the squeezing plate 9 gradually resets, so that the left end of the exhaust groove 10 is opened, and part of the gas can be discharged from here. In addition, due to the special shape of the exhaust groove 10, the gas can be sprayed to the surroundings to blow away the dust on the surface, so as to prevent the dust from falling on the connection and affecting the next installation. Embodiment 2

[0033] This embodiment also provides an assembly method of an environmentally friendly cable terminal assembly, and the specific operation steps are as follows: S1. Install the output terminal 2 into the mounting base 1 through the wire entry groove 6, constrain the position of the output terminal 2 through the positioning component 4, push the input terminal 3 to the right to insert the connector 201 into the input terminal 3, and insert the wire again through the nut to fix it, so as to achieve the purpose of preliminary splicing; S2, the extrusion plate 9 is contracted inward by squeezing the connector 201, so that the gas inside the splicing plate 8 is compressed and enters the rubber ring 303 through the air inlet 13 to expand and deform it, and a certain pressure is applied to the connector 201 to fix it more firmly; S3. When in use, the internal temperature gradually rises, and the expansion column 5 is heated and expanded to gradually rise the connector 202, so that the connector 202 gradually enters the card slot 304. At this time, the connector 202 is between the connector 201 and the inner tube 302, so as to achieve the purpose of card connection and fixation, and avoid falling off. When the temperature rises to reach the first threshold, the air supply pipe 203 and the heat dissipation pipe 305 are connected, so that the temperature can be discharged to achieve the purpose of heat dissipation; S4. When the temperature rises to reach the second threshold, the connector 201 passes over the connector 201 and completely enters the slot 304. Part of the heat gradually enters the rubber ring 303 through the one-way pressure valve, causing the rubber ring 303 to heat up and expand again. As the connector 202 moves away, the rubber ring 303 expands, causing a certain thrust, thereby breaking the expansion column 5 and disconnecting the input end 3 and the output end 2 to avoid overheating.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An environmentally friendly cable terminal assembly, comprising a mounting seat (1), characterized in that: The mounting seat (1) is provided with three output ends (2) and input ends (3) arranged at equal distances, and the input ends (3) are connected to the output ends (2). A positioning component (4) is provided on the left side of the upper surface of the mounting seat (1); The output end (2) comprises a connector (201), a plurality of connectors (202) are plugged into the outer surface of the connector (201), an air supply pipe (203) is provided inside the connector (202), and the cross section of the air supply pipe (203) is in a "T" shape, and an expansion column (5) for thermal expansion is provided on the bottom surface of the connector (202); The input end (3) comprises a connecting tube (301), an inner tube (302) and a rubber ring (303) are respectively arranged inside the connecting tube (301), a plurality of slots (304) are provided on the inner wall of the inner tube (302), and each of the slots (304) is matched with the connecting piece (202), a plurality of heat dissipation tubes (305) are provided on the left side of the inner tube (302), and the other end of each heat dissipation tube (305) passes through the connecting tube (301), and a one-way pressure valve is provided between the left end of the heat dissipation tube (305) and the rubber ring (303).

2. The environmentally friendly cable terminal assembly according to claim 1, characterized in that: An annular air inlet groove (306) is provided on the right side of the connector (201), the bottom surface of the expansion column (5) is fixedly connected to the inner wall of the air inlet groove (306), the expansion column (5) comprises a sleeve (501), a first push rod (502) is slidably connected inside the sleeve (501), and the interior of the sleeve (501) is filled with expansion material.

3. The environmentally friendly cable terminal assembly according to claim 1, characterized in that: The positioning assembly (4) comprises a positioning plate (401), a plurality of grooves are provided on the upper surface of the positioning plate (401), and the grooves are matched with the output end (2), and a plurality of positioning rings (402) are installed on the upper surface of the positioning plate (401).

4. The environmentally friendly cable terminal assembly according to claim 1, characterized in that: The left side surface of the mounting seat (1) is provided with three equidistantly arranged wire inlet grooves (6), and the inner wall of the wire inlet groove (6) is in contact with the outer surface of the output end (2), and the lower end in contact with the outer surface of the output end (2) is threadedly connected with a nut, and the right side of the upper surface of the mounting seat (1) is provided with a wire inlet box (7), and the left side surface of the wire inlet box (7) and the right end of the input end (3) are electrically connected to each other.

5. The environmentally friendly cable terminal assembly according to claim 1, characterized in that: A splicing plate (8) is provided on the left side of the connecting tube (301), and an extrusion plate (9) is slidably connected to the interior of the splicing plate (8). A plurality of exhaust grooves (10) are provided on the right side of the extrusion plate (9), and the cross section of each exhaust groove (10) is in an inverted "J" shape.

6. The environmentally friendly cable terminal assembly according to claim 5, characterized in that: The outer surface of the connecting tube (301) is slidably connected to a pressing plate (11), a spring is provided between the pressing plate (11) and the splicing plate (8), a plurality of second push rods (12) are provided on the left side of the pressing plate (11), the other ends of the second push rods (12) penetrate the outer surface of the splicing plate (8) and extend to the inside of the exhaust groove (10), and a plurality of air inlet holes (13) are provided between the splicing plate (8) and the rubber ring (303).

7. The environmentally friendly cable terminal assembly according to claim 6, characterized in that: A first insulating layer (14) is provided inside the inner tube (302), a first copper wire (15) is provided inside the first insulating layer (14), the output end (2) further comprises a second insulating layer (16), the second insulating layer (16) is arranged inside the connector (201), a second copper wire (17) is provided inside the second insulating layer (16), and the first copper wire (15) is in contact with the second copper wire.

8. An assembling method of an environmentally friendly cable terminal assembly as claimed in claim 4, characterized in that: The steps include: S1, installing the output end (2) into the mounting base (1) through the wire entry groove (6), constraining the position of the output end (2) through the positioning assembly (4), pushing the input end (3) to the right so that the connector (201) is inserted into the input end (3), and fixing the wires again through the nut, thereby achieving the purpose of preliminary splicing; S2, the extrusion plate (9) is contracted inwardly by extrusion of the connecting head (201), so that the gas inside the splicing plate (8) is compressed and enters the rubber ring (303) through the air inlet hole (13) to expand and deform the rubber ring, thereby applying a certain pressure to the connecting head (201) to fix it more firmly; S3. When in use, the internal temperature gradually rises, and the expansion column (5) is heated and expanded, causing the connecting piece (202) to gradually rise, so that the connecting piece (202) gradually enters the clamping groove (304). At this time, the connecting piece (202) is located between the connecting head (201) and the inner tube (302), thereby achieving the purpose of clamping and fixing, and preventing the connection from falling off. When the temperature rises to reach a first threshold, the air supply pipe (203) and the heat dissipation pipe (305) are connected, so that the temperature can be discharged, thereby achieving the purpose of heat dissipation; S4. When the temperature rises to reach the second threshold value, the connector (201) passes over the connector (201) and completely enters the slot (304). Part of the heat gradually enters the rubber ring (303) through the one-way pressure valve, causing the rubber ring (303) to heat up and expand again. As the connector (202) moves away, the rubber ring (303) expands, creating a certain thrust, thereby breaking the expansion column (5) and disconnecting the input end (3) and the output end (2), thereby avoiding overheating.

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