PT cabinet secondary line speed integration module

Abstract

The utility model discloses a PT cabinet secondary line speed integration module, which comprises a bottom plate, a waterproof shell, a circuit board and a wiring terminal, the circuit board and the wiring terminal are arranged in the waterproof shell, the bottom of the waterproof shell is connected with the bottom plate, a circuit breaker is arranged on the circuit board, and the wiring terminal is connected with the circuit board. The upper end face of the waterproof shell is provided with a grounding pile, a waterproof connector, a circuit breaker protection base, a circuit breaker visual transparent waterproof cover, a wiring terminal protection cover plate and a three-phase five-hole waterproof socket, the outer end of the waterproof connector is provided with a multi-core cable, and a cable protection sleeve and a waterproof sleeve are arranged outside the multi-core cable. A heavy-load connector is arranged at the end, away from the waterproof joint, of the multi-core cable, and a standby cable is arranged at the upper end of the wiring terminal protection cover plate. According to the technical scheme, the structure design is reasonable, the size is small, the utilization space is large, wiring operation is convenient, waterproof performance is good, and practicability is good.

Description

Technical Field

[0001] This utility model relates to the field of electrical technology, specifically to a secondary linear speed integrated module for a PT cabinet. Background Technology

[0002] PT cabinet secondary circuits typically employ a modular design for ease of installation and maintenance. Traditional integrated secondary linear speed modules consist of a base, a housing mounted on the base, and terminals and circuit boards within the housing. These modules are bulky, have an unreasonable structural design, and require limited space for installation. Wiring is cumbersome, requiring crimping of terminal blocks and subsequent screw fixing. Furthermore, traditional integrated secondary linear speed modules have poor waterproofing, making secondary wires and terminals prone to poor contact or short circuits in humid environments. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a PT cabinet secondary line speed integrated module with reasonable structural design, small size, large space utilization, convenient wiring operation, good waterproof performance and practicality.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a PT cabinet secondary linear speed integrated module, including a base plate, a waterproof shell, a circuit board, and terminals. The circuit board and terminals are both housed within the waterproof shell. The bottom of the waterproof shell is connected to the base plate. A circuit breaker is installed on the circuit board. The upper surface of the waterproof shell is provided with a grounding post, a waterproof connector, a circuit breaker protective base, a transparent waterproof cover for the circuit breaker, a terminal protective cover, and a three-phase five-hole waterproof socket. A multi-core cable is installed at the outer end of the waterproof connector. The multi-core cable is covered with a cable protective sleeve and a waterproof sheath. A heavy-duty connector is installed on the multi-core cable opposite to the waterproof connector end. A spare cable is installed at the upper end of the terminal protective cover.

[0005] The present invention is further configured such that: a first 10-pin heavy-duty connector base and a second 10-pin heavy-duty connector base are provided on the upper surface of the waterproof shell; a first conductive pin assembly is provided in the first 10-pin heavy-duty connector base; a second conductive pin assembly is provided in the second 10-pin heavy-duty connector base; and the lower ends of the first conductive pin assembly and the second conductive pin assembly are both welded and fixed to the circuit board.

[0006] The present invention is further configured such that: the lower end of the multi-core cable passes through the waterproof connector and is welded and fixed to the circuit board, and the heavy-duty connector at the upper end of the multi-core cable is a 33-core heavy-duty connector.

[0007] The present invention is further configured such that: the inner wall of the waterproof sleeve is provided with adhesive, and the waterproof sleeve is bonded and fixed to the multi-core cable by the adhesive.

[0008] The present invention is further configured such that: the lower end of the circuit breaker is connected to the upper end of the circuit board; the upper end of the waterproof housing is provided with a circuit breaker mounting protrusion; the upper end surface of the circuit breaker mounting protrusion is provided with a circuit breaker mounting through hole; the circuit breaker protective base is fixed to the upper end surface of the circuit breaker mounting protrusion by screws; and the visible transparent waterproof cover of the circuit breaker is hinged to the circuit breaker protective base by a pin.

[0009] The present invention is further configured such that: the base plate is a nylon flame-retardant and waterproof base plate, the waterproof shell is a nylon flame-retardant and waterproof shell, the base plate and the waterproof shell are connected and fixed by screws, and connecting protrusions are provided at both the left and right ends of the base plate, and connecting through holes are provided on the upper surface of the connecting protrusions.

[0010] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model has a novel structure, small size, and large space utilization during customer installation. The wiring method has been improved from the original method of passing terminals through number tubes, crimping, and then fixing with screws to connecting cables through the copper foil of the circuit board. All cable connection positions are fixed with solder. The conductive pins are directly soldered to the circuit board, reducing the error rate, improving quality, and making wiring operations convenient. The waterproof shell, waterproof connectors, visible transparent waterproof cover for the circuit breaker, protective cover for the wiring terminals, three-phase five-hole waterproof socket, and waterproof sleeve are reasonably designed, with good waterproof performance and practicality.

[0011] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0013] Figure 2 This is an exploded view of an embodiment of the present invention. Detailed Implementation

[0014] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0015] See Figure 1 and Figure 2This utility model discloses a secondary linear speed integrated module for a PT cabinet, comprising a base plate 1, a waterproof housing 2, a circuit board 3, and terminals 4. The circuit board 3 and terminals 4 are both disposed inside the waterproof housing 2. The bottom of the waterproof housing 2 is connected to the base plate 1. A circuit breaker 5 is disposed on the circuit board 3. A grounding post 6, a waterproof connector 7, a circuit breaker protective base 8, a transparent waterproof cover for the circuit breaker 9, a terminal protective cover 10, and a three-phase five-hole waterproof socket 11 are disposed on the upper surface of the waterproof housing 2. A multi-core cable 12 is disposed at the outer end of the waterproof connector 7. A cable protective sleeve 13 and a waterproof sleeve 14 are disposed on the outer side of the multi-core cable 12. A heavy-duty connector 15 is disposed on the end of the multi-core cable 12 away from the waterproof connector. A spare cable 16 is disposed on the upper end of the terminal protective cover 10.

[0016] Preferably, the upper surface of the waterproof housing 2 is also provided with a first 10-pin heavy-duty connector base 17 and a second 10-pin heavy-duty connector base 18. The first 10-pin heavy-duty connector base 17 is provided with a first conductive pin assembly 19, and the second 10-pin heavy-duty connector base 18 is provided with a second conductive pin assembly 20. The lower ends of the first conductive pin assembly 19 and the second conductive pin assembly 20 are both welded and fixed to the circuit board 3.

[0017] Preferably, the first 10-core heavy-duty connector base 17 and the second 10-core heavy-duty connector base 18 are respectively fixed to the upper surface of the waterproof housing 2 by screws. The lower end of the terminal protective cover 10 is fixed to the upper surface of the waterproof housing 2 by screws; the lower end of the three-phase five-hole waterproof socket 11 is fixed to the upper surface of the waterproof housing 2 by screws; the grounding stake 6 is integrally formed with the waterproof housing 2 or fixed by threaded connection or adhesive bonding. A wiring port is provided at a partial position on the upper surface of the waterproof housing 2, and the waterproof connector 7 is fixed to the wiring port by threaded connection or adhesive bonding.

[0018] The lower end of the multi-core cable 12 passes through the waterproof connector 7 and is then welded to the circuit board 3. The heavy-duty connector 15 at the upper end of the multi-core cable 12 is a 33-core heavy-duty connector. Preferably, the upper end of the multi-core cable 12 is welded to the wiring portion of the heavy-duty connector 15, or is fixed by crimping, or by locking with terminals and screws.

[0019] To make the structural design of this utility model more reasonable, as a preferred embodiment, the inner wall of the waterproof sleeve 14 is provided with adhesive, and the waterproof sleeve 14 is bonded and fixed to the multi-core cable 12 by the adhesive.

[0020] The lower end of the circuit breaker 5 is connected to the upper surface of the circuit board 3. The upper end of the waterproof housing 2 is provided with a circuit breaker mounting protrusion 21, and the upper surface of the circuit breaker mounting protrusion 21 is provided with a circuit breaker mounting through hole 211. The circuit breaker protective base 8 is fixed to the upper surface of the circuit breaker mounting protrusion 21 by screws. The visible transparent waterproof cover 9 of the circuit breaker is hinged to the circuit breaker protective base 8 by a pin. Preferably, the circuit breaker mounting protrusion 21 is provided with a circuit breaker mounting cavity, which communicates with the circuit breaker mounting through hole 211.

[0021] The base plate 1 is a nylon flame-retardant and waterproof base plate, and the waterproof shell 2 is a nylon flame-retardant and waterproof shell. The base plate 1 and the waterproof shell 2 are connected and fixed by screws. Connecting protrusions 101 are provided at both the left and right ends of the base plate 1, and connecting through holes 102 are provided on the upper surface of the connecting protrusions 101.

[0022] In practical applications, base plate 1 is used for final product encapsulation and on-site installation and fixation; waterproof housing 2 provides better protection for internal components and their compatible installation; circuit board 3 is covered with copper foil as required to achieve connections between various lines and meet standardized customer needs; terminal block 4 is reserved for external wiring (220V), facilitating connection of other products using this voltage by customers or on-site wiring; circuit breaker 5 mainly controls the measurement voltage, zero-sequence voltage, and power supply protection and safe power use of the entire PT cabinet secondary linear speed integrated module; grounding stake 6 provides effective grounding protection for the product; waterproof connector 7 allows wire harnesses to pass through, effectively preventing condensation and dust; circuit breaker protective base 8 facilitates circuit breaker installation and fits snugly against the protective housing; transparent waterproof cover 9 of the circuit breaker is used to prevent circuit breakage. Condensation on the terminal block; Terminal block protective cover 10 prevents condensation or dust accumulation on the terminal block; Three-phase five-hole waterproof socket 11 is used when temporary power (220V) is required on site; Multi-core cable 12 enables effective connection between circuit board 3 and heavy-duty connector 15; Cable protective sleeve 13 prevents cable scratches during manufacturing or installation; Waterproof sleeve 14 has internal adhesive to effectively protect the multi-core cable 12 and cable protective sleeve 13 from movement; Heavy-duty connector 15 is used to connect with external cables to effectively connect and transmit various signals; Spare cable 16 is reserved for customer use; First conductive pin assembly 19 and second conductive pin assembly 20 are used for quick installation of external wiring, and the conductive pins of the first conductive pin assembly 19 and the second conductive pin assembly 20 are both male pins, while the external wiring terminal is a female pin.

[0023] This utility model features a novel structure, small size, and large space utilization during customer installation. The wiring method has been improved from the original method of passing terminals through number tubes, crimping, and then fixing with screws to connecting cables through the copper foil of the circuit board. All cable connection points are fixed with solder. The conductive pins are directly soldered to the circuit board, reducing the error rate, improving quality, and making wiring operations convenient. The waterproof shell, waterproof connectors, transparent waterproof cover for the circuit breaker, protective cover for the wiring terminals, three-phase five-hole waterproof socket, and waterproof sleeve are all reasonably designed, with good waterproof performance and practicality.

[0024] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A secondary linear speed integrated module for a PT cabinet, comprising a base plate (1), a waterproof housing (2), a circuit board (3), and terminals (4), wherein the circuit board (3) and terminals (4) are both disposed within the waterproof housing (2), and the bottom of the waterproof housing (2) is connected to the base plate (1), characterized in that: The circuit board (3) is equipped with a circuit breaker (5). The upper surface of the waterproof housing (2) is equipped with a grounding post (6), a waterproof connector (7), a circuit breaker protective base (8), a circuit breaker visible transparent waterproof cover (9), a terminal protective cover (10), and a three-phase five-hole waterproof socket (11). The outer end of the waterproof connector (7) is equipped with a multi-core cable (12). The multi-core cable (12) is equipped with a cable protective sleeve (13) and a waterproof sleeve (14). The multi-core cable (12) is equipped with a heavy-duty connector (15) away from the waterproof connector end. The upper end of the terminal protective cover (10) is equipped with a spare cable (16).

2. The PT cabinet secondary linear speed integrated module according to claim 1, characterized in that: The upper surface of the waterproof housing (2) is also provided with a first 10-core heavy-duty connector base (17) and a second 10-core heavy-duty connector base (18). The first 10-core heavy-duty connector base (17) is provided with a first conductive pin assembly (19), and the second 10-core heavy-duty connector base (18) is provided with a second conductive pin assembly (20). The lower ends of the first conductive pin assembly (19) and the second conductive pin assembly (20) are both welded and fixed to the circuit board (3).

3. The PT cabinet secondary linear speed integrated module according to claim 2, characterized in that: The lower end of the multi-core cable (12) passes through the waterproof connector (7) and is then welded and fixed to the circuit board (3). The heavy-duty connector (15) at the upper end of the multi-core cable (12) is a 33-core heavy-duty connector.

4. The PT cabinet secondary linear speed integrated module according to claim 3, characterized in that: The inner wall of the waterproof sleeve (14) is provided with adhesive, and the waterproof sleeve (14) is bonded and fixed to the multi-core cable (12) by the adhesive.

5. The PT cabinet secondary linear speed integrated module according to claim 4, characterized in that: The lower end of the circuit breaker (5) is connected to the upper end of the circuit board (3). The upper end of the waterproof housing (2) is provided with a circuit breaker mounting protrusion (21). The upper end of the circuit breaker mounting protrusion (21) is provided with a circuit breaker mounting through hole (211). The circuit breaker protective base (8) is fixed to the upper end of the circuit breaker mounting protrusion (21) by screws. The circuit breaker visible transparent waterproof cover (9) and the circuit breaker protective base (8) are hinged by a pin.

6. The PT cabinet secondary linear speed integrated module according to claim 5, characterized in that: The base plate (1) is a nylon flame-retardant and waterproof base plate, and the waterproof shell (2) is a nylon flame-retardant and waterproof shell. The base plate (1) and the waterproof shell (2) are connected and fixed by screws. Both the left and right ends of the base plate (1) are provided with connecting protrusions (101), and the upper surface of the connecting protrusions (101) is provided with connecting through holes (102).

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