Porous communication box wiring terminal

Abstract

The utility model belongs to the technical field of wiring terminals, and particularly relates to a porous communication box wiring terminal which comprises a welding-free terminal. One end of the welding-free terminal is fixedly connected with a junction box; the end, away from the welding-free terminal, of the junction box 11 is fixedly connected with a first signal line. A pair of first signal lines is arranged at one end, far away from the welding-free terminal, of the junction box 11; the end, away from the welding-free terminal, of the junction box is fixedly connected with a second signal line. A pair of second signal lines is arranged at one end, far away from the welding-free terminal, of the junction box; the ends, away from the junction box, of the first signal line and the second signal line are fixedly connected with terminal female heads. According to the step, the welding-free terminal, the junction box, the first signal line, the second signal line, the terminal female head and the terminal male head are arranged, so that one communication box is provided with a plurality of interfaces, the convenience when different interfaces need to be matched during a battery communication test is improved, and the production and shipment quantity is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wiring terminals, in particular to a multi-hole communication box wiring terminal. Background Art

[0002] The terminal block is an accessory used to achieve electrical connection. It is divided into the range of connectors in the industry. The types of terminal blocks are divided into single-hole, double-hole, and sockets. The main function is to transmit electrical signals or conduct electricity.

[0003] The terminal block is used to facilitate the connection of wires. In fact, it is a piece of metal sheet sealed in insulating plastic. There are holes at both ends for inserting wires and screws for tightening or loosening. The terminal block is used in many scenarios. The terminal blocks in the existing 485 / CAN communication box are relatively simple and have too few adaptation scenarios. Different BMS manufacturers have slightly different plans for the communication interface. As a lithium battery assembler, when doing battery communication testing or data definition, it is often necessary to match different styles of communication interfaces, resulting in reduced production and delivery efficiency.

[0004] To this end, the utility model provides a multi-hole communication box terminal. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model described in the utility model is a kind of multi-hole communication box terminal, including a solder-free terminal; one end of the solder-free terminal is fixedly connected to a junction box; the end of the junction box 11 away from the solder-free terminal is fixedly connected to a No. 1 signal line; a pair of the No. 1 signal line is arranged at the end of the junction box 11 away from the solder-free terminal; the end of the junction box away from the solder-free terminal is fixedly connected to a No. 2 signal line; a pair of the No. 2 signal line is arranged at the end of the junction box away from the solder-free terminal; the ends of the No. 1 signal line and the No. 2 signal line away from the junction box are fixedly connected to a female terminal; the ends of the No. 1 signal line and the No. 2 signal line away from the junction box are fixedly connected to a male terminal; this step realizes that a communication box has multiple interfaces through the arrangement of the solder-free terminal, the junction box, the No. 1 signal line, the No. 2 signal line, the female terminal and the male terminal, thereby improving the convenience of matching different interfaces during battery communication testing and increasing the production and shipment volume.

[0007] Preferably, the solder-free terminal is fixedly connected to a No. 1 fixing plate at the outer side wall away from the junction box; one end of the No. 1 fixing plate away from the solder-free terminal is fixedly connected to a flexible bellows; the other end of the flexible bellows is fixedly connected to a sealing plate; in this step, the interior of the flexible bellows is sealed by setting the No. 1 fixing plate, the flexible bellows and the sealing plate, thereby reducing the influence of the outside world on the measurement, reducing the erosion of the solder-free terminal by water vapor, and improving the service life.

[0008] Preferably, the outer wall of the sealing plate is fixedly connected to a fixing ring; a push rod is arranged in the middle of the fixing ring; multiple groups of the push rods are arranged in the middle of the fixing ring and are evenly distributed in the middle of the fixing ring; a spring is sleeved on the outer wall of the fixing ring; one end of the spring is fixedly connected to the bottom of the fixing ring; the other end of the spring is fixedly connected to the bottom of the push rod; this step improves the fit between the sealing plate and the contact surface on the communication box by the arrangement of the fixing ring, the push rod and the spring, thereby reducing the possibility of installation deviation.

[0009] Preferably, a drying box is fixedly connected to the side of the No. 1 fixing plate away from the fixing ring; the drying boxes are arranged in multiple groups on the side of the No. 1 fixing plate and are symmetrically arranged; the No. 1 fixing plate is provided with air holes in the middle near the drying boxes; the air holes are arranged in multiple groups in the middle of the No. 1 fixing plate; in this step, the water vapor inside the flexible bellows is absorbed through the arrangement of the drying box and the air holes, the inside of the flexible bellows is kept dry, the possibility of short circuit caused by excessive water vapor is reduced, and the stability of the signal connection is improved.

[0010] Preferably, a flexible connecting rod is fixedly connected between the pair of No. 2 signal wires; a plurality of the flexible connecting rods are arranged between the pair of No. 2 signal wires; in this step, the pair of No. 1 signal wires and No. 2 signal wires are separated by the arrangement of the flexible connecting rods, thereby reducing the possibility of entanglement and the possibility of short circuit between the female terminal and the male terminal, and improving safety during use.

[0011] Preferably, a rubber ball is fixedly connected to the top of the push rod; the rubber ball is arranged on the top of multiple groups of push rods; this step reduces the possibility of short circuit and improves the safety during wiring through the arrangement of the rubber ball.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The multi-hole communication box terminal described in the utility model realizes that a communication box has multiple interfaces through the arrangement of solder-free terminals, junction boxes, No. 1 signal lines, No. 2 signal lines, female terminals, and male terminals, thereby improving the convenience of matching different interfaces during battery communication testing and increasing production and shipment volume.

[0014] 2. The multi-hole communication box terminal described in the utility model seals the interior of the flexible bellows through the arrangement of a No. 1 fixing plate, a flexible bellows, and a sealing plate, thereby reducing the impact of the outside world on the measurement, reducing the erosion of water vapor on the solder-free terminal, and increasing the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the cooperation between the fixing ring and the bellows in the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the drying box and the air vent in the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the cooperation between the ejector rod and the fixing ring in the utility model;

[0020] In the figure: 1. Solder-free terminal; 11. Junction box; 12. Signal line No. 1; 13. Signal line No. 2; 14. Female terminal; 15. Male terminal; 2. Fixed plate No. 1; 21. Flexible bellows; 22. Sealing plate; 3. Fixed ring; 31. Push rod; 32. Spring; 4. Drying box; 41. Air vent; 5. Flexible connecting rod; 6. Rubber ball; 7. Aluminum foil. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1As shown, a multi-hole communication box terminal described in an embodiment of the utility model comprises a solder-free terminal 1; one end of the solder-free terminal 1 is fixedly connected to a junction box 11; the end of the junction box 11 away from the solder-free terminal 1 is fixedly connected to a No. 1 signal line 12; a pair of the No. 1 signal line 12 is arranged at the end of the junction box 11 away from the solder-free terminal 1; the end of the junction box 11 away from the solder-free terminal 1 is fixedly connected to a No. 2 signal line 13; a pair of the No. 2 signal line 13 is arranged at the end of the junction box 11 away from the solder-free terminal 1; the ends of the No. 1 signal line 12 and the No. 2 signal line 13 away from the junction box 11 are fixedly connected to a terminal female head 14; the ends of the No. 1 signal line 12 and the No. 2 signal line 13 away from the junction box 11 are fixedly connected to a terminal male head 15; during operation, the solder-free terminal 1 is a 2P pluggable 15EDGRK-3.81㎜ solder-free terminal. The two wires are divided into four in the junction box 11, which are respectively connected to the No. 1 signal line 12 and the No. 2 signal line 13. The model of the No. 1 signal line 12 is 485A, 22awg signal line, the model of the No. 2 signal line 13 is 485B, 22awg signal line, the model of the female terminal 14 is SM2.54 female terminal, and the model of the male terminal 15 is SM2.54 male terminal. The tail end wiring harnesses of the No. 1 signal line 12, the No. 2 signal line 13 and the female terminal 14 and the male terminal 15 connected to the PCB board of the communication box are locked together with fixing bolts, so as to realize the function of one box with multiple uses; this step realizes that a communication box has multiple interfaces through the setting of the solder-free terminal 1, the junction box 11, the No. 1 signal line 12, the No. 2 signal line 13, the female terminal 14 and the male terminal 15, thereby improving the convenience of matching different interfaces during battery communication testing and increasing the production and shipment volume.

[0023] like Figure 1 to Figure 2 As shown, the outer side wall of the solder-free terminal 1 away from the junction box 11 is fixedly connected with a fixing plate No. 2; one end of the fixing plate No. 2 away from the solder-free terminal 1 is fixedly connected with a flexible bellows 21; the other end of the flexible bellows 21 is fixedly connected with a sealing plate 22; during operation, in the battery communication test, when the solder-free terminal 1 is inserted into the communication box, the sealing plate 22 is squeezed and moved toward the junction box 11, and the sealing plate 22 compresses the flexible bellows 21, and the fixing plate No. 2, the flexible bellows 21, and the sealing plate 22 are combined together to seal the internal space of the flexible bellows 21; this step seals the inside of the flexible bellows 21 through the arrangement of the fixing plate No. 2, the flexible bellows 21, and the sealing plate 22, thereby reducing the influence of the outside world on the measurement, reducing the erosion of the solder-free terminal 1 by water vapor, and improving the service life.

[0024] like Figure 1 and Figure 4As shown, the outer wall of the sealing plate 22 is fixedly connected with a fixing ring 3; a push rod 31 is arranged in the middle of the fixing ring 3; multiple groups of the push rods 31 are arranged in the middle of the fixing ring 3 and are evenly distributed in the middle of the fixing ring 3; a spring 32 is sleeved on the outer wall of the fixing ring 3; one end of the spring 32 is fixedly connected to the bottom of the fixing ring 3; the other end of the spring 32 is fixedly connected to the bottom of the push rod 31; during operation, when the solder-free terminal 1 is connected to the communication box, the push rod 31 supports the connection surface and stretches the spring 32, so that the sealing plate 22 improves the fit with the contact surface on the communication box; this step improves the fit between the sealing plate 22 and the contact surface on the communication box through the setting of the fixing ring 3, the push rod 31 and the spring 32, thereby reducing the possibility of installation deviation.

[0025] like Figures 2 to 3 As shown, the side of the No. 1 fixing plate 2 away from the fixing ring 3 is fixedly connected with a drying box 4; the drying box 4 is arranged in multiple groups on the side of the No. 1 fixing plate 2, and is symmetrically arranged; the No. 1 fixing plate 2 is provided with an air vent 41 in the middle near the drying box 4; the air vent 41 is arranged in multiple groups in the middle of the No. 1 fixing plate 2; during operation, a desiccant is put into the drying box 4, and the water vapor inside the flexible bellows 21 is sucked away through the air vent 41, so that the inside of the flexible bellows 21 is kept dry; in this step, the water vapor inside the flexible bellows 21 is sucked away through the setting of the drying box 4 and the air vent 41, so that the inside of the flexible bellows 21 is kept dry, the possibility of short circuit caused by excessive water vapor is reduced, and the stability of the signal connection is improved.

[0026] like Figure 1 As shown, a pair of the No. 2 signal lines 13 are fixedly connected with a flexible connecting rod 5; a plurality of the flexible connecting rods 5 are arranged between a pair of the No. 2 signal lines 13; during operation, the flexible connecting rods 5 separate the female terminal 14 and the male terminal 15, thereby reducing the possibility of entanglement between the pair of the No. 1 signal lines 12 and the No. 2 signal lines 13; this step separates the pair of the No. 1 signal lines 12 and the No. 2 signal lines 13 through the arrangement of the flexible connecting rods 5, thereby reducing the possibility of entanglement, reducing the possibility of short-circuiting between the female terminal 14 and the male terminal 15, and improving safety during use.

[0027] like Figure 1 As shown, a rubber ball 6 is fixedly connected to the top of the push rod 31; the rubber ball 6 is arranged on the top of multiple groups of push rods 31; during operation, when the push rod 31 contacts the communication box, the rubber ball 6 contacts the contact surface of the communication box, and the rubber ball 6 is a flexible insulating material to reduce the possibility of short circuit; this step reduces the possibility of short circuit and improves the safety during wiring by setting the rubber ball 6.

[0028] like Figure 2 As shown, the inner wall of the flexible bellows 21 is provided with an aluminum foil 7; during operation, the aluminum foil 7 is a signal shielding material, which shields strong external signals and reduces the possibility of interference signal transmission.

[0029] When working, the solder-free terminal 1 is a 2P pluggable 15EDGRK-3.81㎜ solder-free terminal. The two wires are divided into four in the junction box 11, and the No. 1 signal line 12 and the No. 2 signal line 13 are connected respectively. The model of the No. 1 signal line 12 is 485A, 22awg signal line, the model of the No. 2 signal line 13 is 485B, 22awg signal line, the model of the terminal female head 14 is SM2.54 terminal female head, and the model of the terminal male head 15 is SM2.54 terminal male head. The tail end wiring harnesses of the No. 1 signal line 12, the No. 2 signal line 13 and the terminal female head 14 and the terminal male head 15 connected to the PCB board of the communication box are locked together with fixing bolts, thereby realizing the function of one box with multiple uses; in the battery communication test, when the solder-free terminal 1 is inserted into the communication box, the sealing plate 22 is squeezed toward the junction box. The wire box 11 moves, and the sealing plate 22 compresses the flexible bellows 21. The No. 1 fixed plate 2, the flexible bellows 21, and the sealing plate 22 are combined together to seal the internal space of the flexible bellows 21; when the solderless terminal 1 is connected to the communication box, the top rod 31 supports the connection surface and stretches the spring 32 to improve the fit between the sealing plate 22 and the contact surface on the communication box; a desiccant is placed in the drying box 4 to absorb the water vapor inside the flexible bellows 21 through the air vent 41 to keep the inside of the flexible bellows 21 dry; the flexible connecting rod 5 separates the terminal female head 14 and the terminal male head 15 to reduce the possibility of entanglement between the No. 1 signal line 12 and the No. 2 signal line 13; when the top rod 31 contacts the communication box, the rubber ball 6 contacts the contact surface of the communication box. The rubber ball 6 is a flexible insulating material to reduce the possibility of short circuit.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-hole communication box terminal, comprising a solder-free terminal (1); characterized in that: One end of the solder-free terminal (1) is fixedly connected to a junction box (11); one end of the junction box (11) away from the solder-free terminal (1) is fixedly connected to a No. 1 signal line (12); a pair of the No. 1 signal lines (12) are arranged at one end of the junction box (11) away from the solder-free terminal (1); one end of the junction box (11) away from the solder-free terminal (1) is fixedly connected to a No. 2 signal line (13); a pair of the No. 2 signal lines (13) are arranged at one end of the junction box (11) away from the solder-free terminal (1); one end of the No. 1 signal line (12) and the No. 2 signal line (13) away from the junction box (11) is fixedly connected to a female terminal (14); one end of the No. 1 signal line (12) and the No. 2 signal line (13) away from the junction box (11) is fixedly connected to a male terminal (15).

2. A multi-hole communication box terminal according to claim 1, characterized in that: The solder-free terminal (1) is fixedly connected to an outer side wall of the junction box (11) away from the solder-free terminal (1); one end of the solder-free terminal (1) away from the junction box (1) is fixedly connected to a flexible bellows (21); and the other end of the flexible bellows (21) is fixedly connected to a sealing plate (22).

3. A multi-hole communication box terminal according to claim 2, characterized in that: The outer wall of the sealing plate (22) is fixedly connected to a fixing ring (3); a push rod (31) is arranged in the middle of the fixing ring (3); a plurality of push rods (31) are arranged in the middle of the fixing ring (3) and are evenly distributed in the middle of the fixing ring (3); a spring (32) is sleeved on the outer wall of the fixing ring (3); one end of the spring (32) is fixedly connected to the bottom of the fixing ring (3); and the other end of the spring (32) is fixedly connected to the bottom of the push rod (31).

4. A multi-hole communication box terminal according to claim 3, characterized in that: A drying box (4) is fixedly connected to the side of the No. 1 fixing plate (2) away from the fixing ring (3); a plurality of groups of the drying boxes (4) are arranged on the side of the No. 1 fixing plate (2) and are symmetrically arranged; a ventilation hole (41) is provided in the middle of the No. 1 fixing plate (2) close to the drying box (4); a plurality of groups of the ventilation holes (41) are arranged in the middle of the No. 1 fixing plate (2).

5. A multi-hole communication box terminal according to claim 4, characterized in that: A flexible connecting rod (5) is fixedly connected between the pair of the No. 2 signal wires (13); a plurality of groups of the flexible connecting rods (5) are arranged between the pair of the No. 2 signal wires (13).

6. A multi-hole communication box terminal according to claim 5, characterized in that: A rubber ball (6) is fixedly connected to the top of the push rod (31); the rubber ball (6) is arranged on the top of multiple groups of push rods (31).

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