A circuit box for engineering machinery

Abstract

The invention discloses a circuit box for engineering machinery in the technical field of circuit boxes, comprising a circuit box body, a wiring mold box is arranged at the bottom of the inner cavity of the circuit box body, two groups of input wire harnesses are connected to the top of the wiring mold box, the top of the input wire harness on the left side is connected to the controller through a connector, the input end at the bottom of the wiring terminal is connected to the input wire harness on the right side through a fuse through multiple groups of wires, the output end at the top of the wiring terminal is connected to the wires connecting the relay through two groups of wires, the front right side of the circuit box body is connected to a box door through a hinge rotation, a transparent document placement bag is arranged on the inner side of the box door, a wire comparison table is arranged in the transparent document placement bag, a special printed circuit board is adopted in the wiring mold box of the device, compared with the traditional manual wiring, it is more simplified and printed, the connecting wires are classified into bundles, the box is more concise, wires of different colors are used to correspond to interfaces, and corresponding instruction comparison tables are formulated, so wiring is fast and convenient.

Description

Technical Field

[0001] The invention relates to the technical field of circuit boxes, in particular to a circuit box for engineering machinery. Background Art

[0002] Circuit boxes are widely used in engineering machinery equipment control. At present, most circuit boxes use manual insertion of circuit boards in wiring modules, which is prone to errors. In addition, the internal wiring is messy, making the circuit box messy and may affect the maintenance of other devices. There are many wiring heads. Once a connection line fails, troubleshooting is cumbersome and time-consuming. Some terminal connection lines are connected by binding number labels, but the number labels may be lost, making identification difficult. To this end, we propose a circuit box for engineering machinery. Summary of the invention

[0003] The object of the present invention is to provide a circuit box for construction machinery to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a circuit box for engineering machinery, comprising a circuit box, a wiring mold box is arranged at the bottom of the inner cavity of the circuit box, two sets of input wiring harnesses are connected to the top of the wiring mold box, a special printed circuit board is arranged in the wiring mold box, the top of the left input wiring harness is connected to the controller through a connector, the controller is installed on the left side of the rear end inner wall of the circuit box, an output wiring harness is arranged on the top of the controller, the top of the right input wiring harness is connected to a branch line, the branch line is arranged on the right side of the rear end inner wall of the circuit box, and the right side of the branch line is connected to Relay, the relay is installed on the right side of the inner wall at the rear end of the circuit box, and the relay is located on the right side of the dividing line, a terminal is arranged on the inner wall of the circuit box below the relay, a fuse is arranged at the bottom of the dividing line, the input end at the bottom of the terminal is connected to the input harness on the right side through multiple sets of wires through the fuse, the output end at the top of the terminal is connected to the wire connected to the relay through two sets of wires, the right side of the front end of the circuit box is connected to the box door through a hinge, a transparent document placement bag is arranged on the inner side of the box door, a wire comparison table is arranged in the transparent document placement bag, and a door lock is arranged on the right side of the box door.

[0005] Furthermore, four groups of external interfaces are arranged at the bottom of the wiring module box, and the colors of the four groups of external interfaces are different. The external interfaces are connected to the special printed circuit board in the wiring module box by soldering through connecting wires.

[0006] Furthermore, the right interface of the controller is provided with anti-dropping clamping sleeves cooperating with the connector at the top and bottom.

[0007] Furthermore, the branch line is a hollow L-shaped flame-retardant plastic strip, and the end faces of the branch line close to the relay and the wiring terminal are provided with threading holes.

[0008] Furthermore, the colors of the wires are different.

[0009] Furthermore, the circuit box is an aluminum alloy box with excellent thermal conductivity, and a heat dissipation port is opened on the right side of the circuit box.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. The device uses a special printed circuit board in the wiring mold box. The external interface is connected to the special printed circuit board in the wiring mold box by soldering through a connecting wire. The use of printed circuit boards can realize automatic insertion or placement of electronic components, automatic soldering, and automatic detection. Compared with traditional manual wiring, it is more simplified and printed, avoiding wiring errors, facilitating maintenance and inspection, and saving time;

[0012] 2. This device replaces the traditional chaotic external connector with a wiring mold box and a wiring circuit board. The wiring connector of the wiring circuit board is connected to the connecting wires in the input wiring harness, and the connecting wires are orderly classified into bundles, which is convenient for maintenance and inspection and saves time;

[0013] 3. Use wires of different colors to correspond to the terminals and the interfaces of the relay. Compared with the traditional method of tying numbered labels on the outer wall of the wires for corresponding plug-in, this device connects the corresponding interfaces according to the color of the wires according to the wire comparison table, which is more accurate, fast and convenient, and there will be no loss of numbered labels. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 It is a top view of the structure of the present invention;

[0016] Figure 3 This is an enlarged view of the structure at A of the present invention;

[0017] Figure 4 It is a schematic diagram of the printed circuit board inside the wiring mold box of the present invention.

[0018] In the figure: 1 circuit box, 2 wiring module box, 21 external interface, 3 input wiring harness, 4 connector, 5 controller, 6 output wiring harness, 7 branch wire, 71 threading hole, 8 wire, 9 relay, 10 terminal, 11 box door, 12 transparent document placement bag, 13 wire comparison table, 14 door lock, 15 fuse. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-4 The present invention provides a technical solution: a circuit box for engineering machinery, comprising a circuit box body 1, a wiring mold box 2 is arranged at the bottom of the inner cavity of the circuit box body 1, two sets of input wiring harnesses 3 are connected to the top of the wiring mold box 2, and a special printed circuit board (such as Figure 4 ), compared with the traditional manual insertion, it is more simplified and printed. The top of the left input harness 3 is connected to the controller 5 through the connector 4. The controller 5 is installed on the left side of the rear end inner wall of the circuit box 1. The top of the controller 5 is provided with an output harness 6. The top of the input harness 3 on the right side of the output harness 6 is connected to the branch line 7. The branch line 7 is arranged on the right side of the rear end inner wall of the circuit box 1. The right side of the branch line 7 is connected to the relay 9 through the wire 8. The relay 9 is installed on the right side of the rear end inner wall of the circuit box 1, and the relay 9 is located on the right side of the branch line 7. The inner wall of the circuit box 1 below the relay 9 is provided with a wiring terminal 10, and the bottom of the branch line 7 A fuse 15 is provided at the bottom, the input end at the bottom of the terminal block 10 is connected to the input wiring harness 3 on the right side through multiple groups of wires 8 through the fuse 15, the output end at the top of the terminal block 10 is connected to the wire 8 connected to the relay 9 through two groups of wires 8, the front right side of the circuit box 1 is connected to the box door 11 through a hinge, a transparent document placement bag 12 is provided on the inside of the box door 11, a wire comparison table 13 is provided in the transparent document placement bag 12, the wire comparison table 13 details the interfaces corresponding to the wires 8 of different colors, a plastic sealing protective layer is provided on the outside of the wire comparison table 13 to avoid dirt, and a door lock 14 is provided on the right side of the box door 11.

[0021] like Figure 2 As shown, the bottom of the wiring mold box 2 is provided with four groups of external interfaces 21, and the colors of the four groups of external interfaces 21 are different. The external interfaces 21 are soldered to the specially made printed circuit board in the wiring mold box 2 through connecting wires. The use of the printed circuit board can realize automatic insertion or mounting, automatic soldering, and automatic detection of electronic components, thereby avoiding errors caused by manual wiring, facilitating maintenance and inspection, and saving time.

[0022] like Figure 1 As shown, the right interface of the controller 5 is provided with anti-dropping clamping sleeves cooperating with the connector 4, so as to prevent the connector 4 from being detached during use and ensure that the connector 4 and the controller 5 are well plugged in;

[0023] like Figure 1 and Figure 3As shown, the branch line 7 is a hollow L-shaped flame-retardant plastic strip, and the end faces of the branch line 7 close to the relay 9 and the terminal 10 are provided with threading holes 71, so that the wires 8 can be inserted in an orderly manner without affecting the maintenance of other devices;

[0024] like Figure 1 As shown, the colors of the wires 8 are different. Compared with the traditional method of tying numbers on the outer wall of the wires 8 for corresponding plugging, the present device connects the corresponding interfaces according to the colors of the wires 8 according to the wire comparison table 13, which is more accurate and convenient, and the number label will not be lost;

[0025] like Figure 1 As shown, the circuit box 1 is an aluminum alloy box with excellent thermal conductivity, and a heat dissipation port is opened on the right side of the circuit box 1 to ensure the overall heat dissipation effect.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit box for construction machinery, comprising a circuit box body (1), characterized in that: A wiring mold box (2) is arranged at the bottom of the inner cavity of the circuit box (1), and two groups of input wiring harnesses (3) are connected to the top of the wiring mold box (2). A specially made printed circuit board is arranged in the wiring mold box (2). The top of the left input wiring harness (3) is connected to the controller (5) through a connector (4). The controller (5) is installed on the left side of the inner wall at the rear end of the circuit box (1). An output wiring harness (6) is arranged on the top of the controller (5). The top of the right input wiring harness (3) is connected to a branch line (7). The branch line (7) is arranged on the right side of the inner wall at the rear end of the circuit box (1). The right side of the branch line (7) is connected to a relay (9) through a wire (8). The relay (9) is installed on the right side of the inner wall at the rear end of the circuit box (1), and the relay (9) is located on the right side of the branch line (7). A wiring terminal (10) is arranged on the inner wall of the circuit box (1) below the relay (9). A fuse (15) is arranged at the bottom of the branch line (7). The input end at the bottom of the wiring terminal (10) is connected to a plurality of groups of The wire (8) is connected to the right input harness (3) through a fuse (15); the top output end of the terminal block (10) is connected to the wire (8) connected to the relay (9) through two sets of wires (8); the front right side of the circuit box (1) is connected to the box door (11) through a hinge; a transparent document placement bag (12) is provided inside the box door (11); a wire comparison table (13) is provided inside the transparent document placement bag (12); a door lock (14) is provided on the right side of the box door (11); The bottom of the wiring mold box (2) is provided with four groups of external interfaces (21), the colors of the four groups of external interfaces (21) are different, the external interfaces (21) are soldered to a specially made printed circuit board in the wiring mold box (2) through connecting wires, the right interface of the controller (5) is provided with anti-drop clamping sleeves matching with the connector (4) above and below, the branch line (7) is a hollow L-shaped flame-retardant plastic strip, and the end faces of the branch line (7) close to the relay (9) and the wiring terminal (10) are provided with threading holes (71).

2. A circuit box for construction machinery according to claim 1, characterized in that: The wires (8) have different colors.

3. The circuit box for construction machinery according to claim 1, characterized in that: The circuit box (1) is an aluminum alloy box with excellent thermal conductivity, and a heat dissipation port is provided on the right side of the circuit box (1).

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