Capacitor and resistor accommodating box for railway

Abstract

The utility model relates to the technical field of resistance-capacitance boxes, in particular to a railway capacitor-resistor accommodating box, which comprises a lower box body and an outer cover which are connected in a buckling manner, an accommodating cavity is formed at the top of the lower box body, a fixed power supply sheet is arranged on the bottom wall of the accommodating cavity, and a first circuit board and a second circuit board are arranged parallel to the bottom wall of the accommodating cavity. A supporting piece is arranged between the first circuit board and the bottom wall of the containing cavity, a supporting column is arranged between the second circuit board and the first circuit board, different electrical components are installed on the first circuit board and the second circuit board respectively, and the electrical components are independently connected with the power source piece respectively. According to the utility model, the first circuit board and the second circuit board which are independent from each other are respectively used for installing different types of electric appliance elements so as to play a role in classified installation, and in addition, each electric appliance element is independently led to the power supply sheet, so that a faulty line can be rapidly detected when troubleshooting and overhauling are needed.

Description

Technical Field

[0001] The utility model relates to the technical field of resistor and capacitor boxes, in particular to a capacitor and resistor containing box for railways. Background Art

[0002] The RC box is an electronic component with a certain electrical capacity and resistance value. It is widely used in railway systems, especially in high-voltage pulse track circuits. Specifically, the RC box plays a role in slow absorption and stable excitation when the train is cleared, thereby effectively preventing instantaneous interference and light vehicle bouncing. During the use of existing RC boxes, the space utilization rate of the RC boxes is not high due to the messy arrangement of the electrical components in the box, making it difficult to troubleshoot and repair. Utility Model Content

[0003] In order to overcome the shortcoming of the existing resistor-capacitor box that the electrical components are arranged in a disorderly manner during use, resulting in low space utilization of the resistor-capacitor box, the purpose of the utility model is to provide a resistor-capacitor box with neat arrangement and high space utilization.

[0004] The technical solution of the utility model is: a capacitor and resistor storage box for railways, comprising a lower box body and an outer cover that are snap-fitted together, a storage cavity is formed on the top of the lower box body, a fixed power supply sheet is provided on the bottom wall of the storage cavity, a first circuit board and a second circuit board are provided parallel to the bottom wall of the storage cavity, a support sheet is provided between the first circuit board and the bottom wall of the storage cavity, a support column is provided between the second circuit board and the first circuit board, different electrical components are respectively installed on the first circuit board and the second circuit board, and each of the electrical components is separately connected to the power supply sheet.

[0005] Furthermore, the support column is a tubular structure with two open ends, and the wires on the second circuit board are introduced from the upper opening of the support column and led out from the lower opening.

[0006] Furthermore, the lower end of the support column is open and provided with an end cover, and the end cover is provided with evenly arranged wire management holes.

[0007] Furthermore, the first circuit board is provided with a wiring hole, and a digital mark is provided on one side of the wiring hole corresponding to the wiring hole.

[0008] Furthermore, a supporting piece is provided on the second circuit board for clamping and fixing large-volume electrical components.

[0009] Furthermore, the outer cover adopts a blue transparent flame-retardant outer cover.

[0010] Beneficial effects: The utility model provides a first circuit board and a second circuit board that are independent of each other so that they are used to install different types of electrical components respectively, thereby achieving the effect of classified installation. In addition, each electrical component is individually wired to a power supply chip, so that when troubleshooting and maintenance are required, the problem circuit can be quickly detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the hidden outer cover of the utility model.

[0012] Figure 2 This is the appearance diagram of the lower box body and outer cover after assembly of the utility model.

[0013] Figure 3 It is a structural schematic diagram of a part of the support column and the end cover of the utility model.

[0014] The meanings of the reference numerals in the figure are: 1_lower box body, 2_outer cover, 3_support plate, 4_first circuit board, 5_wiring hole, 6_logo, 7_support column, 71_end cover, 72_wire management hole, 8_second circuit board, 9_support member, 10_power supply plate. DETAILED DESCRIPTION

[0015] In order to make the utility model's purpose, features, and advantages more obvious and easy to understand, the following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the embodiments described below are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally arranged component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a centrally arranged component.

[0018] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0019] like Figure 1-3 As shown, the railway capacitor and resistor storage box includes a lower box body 1 and an outer cover 2 that are snap-fitted together, wherein a storage cavity is formed on the top of the lower box body 1, and a fixed power supply sheet 10 is provided on the bottom wall of the storage cavity, and a first circuit board 4 and a second circuit board 8 are also provided parallel to the bottom wall of the storage cavity, and a support sheet 3 is provided between the first circuit board 4 and the bottom wall of the storage cavity. Specifically, two support sheets 3 are provided, which are respectively located on the left and right sides of the first circuit board 4 in the horizontal direction, and a support column 7 is provided between the second circuit board 8 and the first circuit board 4. There are also two support columns 7, which are located on the left and right sides of the second circuit board 8 in the horizontal direction. The support column 7 is a tubular structure with open ends. The wires on the second circuit board 8 are introduced from the upper end opening of the support column 7 and led out from the lower end opening. The lower end opening of the support column 7 is provided with an end cover 71, and the end cover 71 is provided with evenly arranged wire management holes 72.

[0020] Different electrical components are mounted on the first circuit board 4 and the second circuit board 8, respectively. The first circuit board 4 is provided with a wiring hole 5, and a digital mark 6 is provided on one side of the wiring hole 5 corresponding thereto. The installation position of each electrical component and the lead-out line can be recorded through the wiring hole 5 and the corresponding digital mark 6. The second circuit board 8 is provided with a supporting part 9 for clamping and fixing large-volume electrical components.

[0021] In this embodiment, the first circuit board 4 is used to install resistors, the second circuit board 8 is used to install capacitors, and each electrical component is individually connected to the power supply chip 10.

[0022] The structure and technical requirements of the RC box:

[0023] 1. The outer cover of the resistance and capacitance box must be a blue transparent flame-retardant outer cover. 2. The various electrical components in the resistance and capacitance box are individually wired to the power supply chip, so that the various components in the box can be tested without opening the product cover. 3. The wires in the box should be flame-retardant as much as possible, and the wire diameter is preferably less than 0.4mm 2 of.

[0024] The above embodiments only express the preferred implementation of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, without departing from the concept of the present invention, several modifications, improvements and substitutions can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A capacitor and resistor storage box for railway use, comprising a lower box body (1) and an outer cover (2) which are snap-fitted together, wherein a storage cavity is formed on the top of the lower box body (1), and a fixed power supply sheet (10) is provided on the bottom wall of the storage cavity, characterized in that: A first circuit board (4) and a second circuit board (8) are provided parallel to the bottom wall of the accommodating cavity; a support sheet (3) is provided between the first circuit board (4) and the bottom wall of the accommodating cavity; a support column (7) is provided between the second circuit board (8) and the first circuit board (4); different electrical components are respectively installed on the first circuit board (4) and the second circuit board (8); and each of the electrical components is individually connected to a power supply sheet (10).

2. The railway capacitor and resistor container as claimed in claim 1, characterized in that: The support column (7) is a tubular structure with two open ends. The wires on the second circuit board (8) are introduced from the upper open end of the support column (7) and led out from the lower open end.

3. The railway capacitor and resistor container as claimed in claim 2, characterized in that: The lower end of the support column (7) is open and provided with an end cover (71), and the end cover (71) is provided with evenly arranged wire management holes (72).

4. The railway capacitor and resistor container as claimed in claim 3, characterized in that: The first circuit board (4) is provided with a wiring hole (5), and a digital mark (6) is provided on one side of the wiring hole (5) corresponding thereto.

5. The railway capacitor and resistor container as claimed in claim 4, characterized in that: The second circuit board (8) is provided with a supporting piece (9) for clamping and fixing large-volume electrical components.

6. The railway capacitor and resistor container as claimed in claim 5, characterized in that: The outer cover (2) is a blue transparent flame retardant outer cover.

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