Terminal block wiring device for power distribution cabinet

Abstract

The present invention relates to the field of electrical equipment technology, and in particular to a terminal block wiring device for a power distribution cabinet. The power distribution cabinet has a shell, a cabinet door, and an electrical instrument and a switch component arranged in the shell. The terminal block wiring device includes a wiring assembly and a protective assembly. The wiring assembly includes no less than two groups of wiring terminals arranged side by side installed in the shell, and the wiring terminals are connected between the electrical instrument and the switch component through wires; the protective assembly includes a protective plate arranged on one side of the shell, an inspection slot that is through-opened on one side of the protective plate and adapted to the wiring terminals, and an inspection plate that is detachably connected to one side of the inspection slot. The present invention can facilitate the installation and disassembly of the wiring terminals in the middle area of ​​the shell through the cooperation between the wiring assembly and the protective assembly, and provide protection for the wiring terminals during maintenance through the protective assembly.

Description

Technical Field

[0001] The invention relates to the technical field of electrical equipment, in particular to a terminal block wiring device for a power distribution cabinet. Background Art

[0002] Terminal block means an insulating component that carries multiple or multiple groups of mutually insulated terminal components and is used to fix the support. The function of the terminal block is to connect the lines of the equipment inside the screen and the equipment outside the screen, and play the role of signal (current and voltage) transmission. With the terminal block, the wiring is beautiful and the maintenance is convenient. When connecting long-distance lines, it is mainly reliable, and the construction and maintenance are convenient. However, when the existing technology is connected through the terminal block, the terminal block is often installed in a row of multiple terminals, so it is relatively inconvenient for the operator to install the terminal blocks on both sides close to the inner wall of the distribution cabinet; in addition, when the terminal block wiring needs to be repaired, because the terminal blocks in the whole row are arranged more densely, the operator may accidentally touch the adjacent terminal when operating a certain terminal, causing trouble for the maintenance work. Summary of the invention

[0003] Some simplifications or omissions may be made in this section and the abstract and title of the present application to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0004] In order to solve the deficiencies of the prior art, an object of the present invention is to provide a terminal block wiring device for a power distribution cabinet, which facilitates the installation and removal of the wiring terminals.

[0005] In order to achieve the above objectives, the present invention adopts the following technical solution: a terminal block wiring device for a power distribution cabinet, the power distribution cabinet having a housing, a cabinet door, and an electrical instrument and a switch component arranged in the housing, the terminal block wiring device comprising:

[0006] A wiring assembly, comprising at least two sets of wiring terminals arranged side by side installed in a housing, wherein the wiring terminals are connected between the electrical instrument and the switch component through wires; and

[0007] The protection component is arranged on one side of the shell, including a protection plate arranged on one side of the shell, an inspection slot that is opened through one side of the protection plate and adapted to the wiring terminal, and an inspection plate that is detachably connected to one side of the inspection slot.

[0008] As a preferred solution of the terminal block wiring device for a power distribution cabinet described in the present invention, wherein: the wiring assembly also includes a mounting rail installed inside the shell, the wiring terminal includes a terminal shell embedded in one side of the mounting rail, the terminal shell is detachable and divided into a mounting block slidably connected to the mounting rail and a connecting block embedded in one side of the mounting block, and both sides of the terminal shell are respectively provided with wiring grooves adapted to electrical instruments and switch components.

[0009] As a preferred solution of the terminal block wiring device for a power distribution cabinet described in the present invention, wherein: a conductive sheet adapted to the wiring slot 1 is provided between the mounting block and the connecting block, and a limiting member for pressing the conductive sheet toward the wiring slot 1 is provided on one side of the connecting block;

[0010] The mounting block is connected to the conductive sheet and the connecting block by bolts, and a label for marking the wiring terminal is provided on one side of the connecting block close to the outside of the cabinet door.

[0011] As a preferred solution of the terminal block wiring device for a power distribution cabinet described in the present invention, wherein: the wiring assembly also includes a control component arranged on one side of the shell, the control component includes two groups of first guide rails fixedly arranged on the inner side of the shell, two groups of symmetrically arranged second guide rails are slidably connected in the first guide rails, the two ends of the mounting rails are fixedly connected to the second guide rails on both sides by bolts respectively, the mounting rails are provided with two groups, and a control component connected to the two groups of mounting rails is provided on the outer side of the shell.

[0012] As a preferred solution of the terminal block wiring device for a power distribution cabinet described in the present invention, the control component includes sliders respectively arranged on one side of two groups of mounting slide rails, one side of the shell is provided with a slide groove adapted to the slider, one side of the shell is rotatably connected with a bidirectional threaded rod passing through the two groups of sliders, and the slider and the bidirectional threaded rod are threadedly connected.

[0013] As a preferred solution of the terminal block wiring device for a power distribution cabinet described in the present invention, wherein: an adjustment plate is slidably connected to one side of the second guide rail, one side of the adjustment plate is provided with a limiting groove with the same number as the terminal groups on the mounting rail, one side of the mounting block is provided with a guide column adapted to the limiting groove, and the slider is fixedly connected to the adjustment plate.

[0014] As a preferred solution of the terminal block wiring device for a power distribution cabinet described in the present invention, wherein: both ends of the multiple groups of limit grooves are respectively located at the same horizontal height, the spacing between one end of the multiple groups of limit grooves close to the two groups of mounting slide rails is the same as the width dimension of the wiring terminal, and the spacing between one end of the multiple groups of limit grooves away from the two groups of mounting slide rails is twice the width dimension of the wiring terminal, and the guide column is arranged in the middle position of the wiring terminal.

[0015] As a preferred solution of the terminal block wiring device for a power distribution cabinet described in the present invention, wherein: the length of the second guide rail is twice the vertical distance between the two ends of the limit groove, a reset spring is provided between the two groups of second guide rails on the same first guide rail, and an elastic buckle for fixing the position of the second guide rail is provided on one side of the first guide rail;

[0016] When the distance between the two sets of second guide rails reaches a maximum value, the first guide rail fixes the second guide rail through an elastic buckle, and when the distance between the two sets of second guide rails reaches a minimum value, the multiple sets of terminal blocks on the two sets of mounting rails remain horizontal and flush.

[0017] As a preferred solution of the terminal block wiring device for a power distribution cabinet described in the present invention, an elastic block is provided on one side of the inspection plate, a card slot adapted to the elastic block is provided on one side of the inspection slot, the width of the inspection slot is twice the width of the wiring terminal, and the position of the inspection slot is adapted to the position of the wiring terminal.

[0018] As a preferred solution of the terminal block wiring device for a power distribution cabinet described in the present invention, wherein: the wiring assembly also includes a wiring buffer portion arranged between a wiring slot one and an electrical instrument, and between a wiring slot one and a switch component, and the wiring buffer portion includes a mounting plate arranged on the inner side of the shell, a wire storage bin embedded in one side of the mounting plate, and a wiring slot two opened on the upper and lower sides of the wire storage bin.

[0019] The terminal block wiring device for a power distribution cabinet of the present invention has the following beneficial effects: the present invention can facilitate the installation and disassembly of the wiring terminals in the middle area of ​​the shell through the cooperation between the wiring components and the protective components, and provide protection for the wiring terminals during maintenance through the protective components. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the overall structure of a power distribution cabinet according to an embodiment of the present invention;

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the protection component of the present invention;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure when the wiring terminal of the present invention is installed on the mounting rail;

[0024] Figure 4It is a schematic diagram of the explosion structure at the wiring terminal of the present invention;

[0025] Figure 5 It is a schematic diagram of the side cross-sectional structure of the wiring terminal of the present invention;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the protective plate and the repair plate of the present invention;

[0027] Figure 7 For the present invention Figure 6 An enlarged schematic diagram of the structure at A is shown;

[0028] Figure 8 It is a front perspective structural diagram of the control component of the present invention;

[0029] Fig. 9 It is a rear-view stereoscopic structural schematic diagram of the control component of the present invention;

[0030] Fig.10 This is a front view structural diagram of the wiring terminal when it is installed in Embodiment 2 of the present invention;

[0031] Fig.11 This is a front view structural diagram of the wiring terminal in the maintenance state in Embodiment 2 of the present invention;

[0032] Fig.12 This is a front structural schematic diagram of the wiring terminal with a protective plate in the maintenance state in Example 2 of the present invention;

[0033] Fig.13 This is a front structural schematic diagram of the connection terminal in normal use in Embodiment 2 of the present invention;

[0034] Fig.14 This is a schematic diagram of the internal structure when the first guide rail and the second guide rail are relatively fixed in Example 2 of the present invention. DETAILED DESCRIPTION

[0035] In order to make the objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0038] Embodiment 1:

[0039] Reference Figure 1-Figure 6 , which is the first embodiment of the present invention, provides a terminal block wiring device for a power distribution cabinet, wherein the power distribution cabinet 100 is a power distribution cabinet in the prior art, and the installation of the wiring terminals is facilitated by setting a wiring assembly 200, and protection is provided when the wiring terminals are inspected and repaired by setting a protective assembly 300.

[0040] Specifically, the power distribution cabinet 100 includes a shell 101, a cabinet door 102 hinged on one side of the shell 101, an electrical instrument 103 arranged in the shell 101, and a switch component 104 installed in the shell 101, the switch component 104 includes a switching switch, a push button switch, a circuit breaker, an indicator light, etc., which are used to realize manual control or automatic short circuit, and the electrical instrument 103 includes an ammeter, a voltmeter, a power meter, etc., which are used to display electrical parameters; a wiring assembly 200, the wiring assembly 200 is arranged inside the shell 101, including at least two groups of wiring terminals 201 arranged side by side installed in the shell 101, and the wiring terminals 201 are connected between the electrical instrument 103 and the switch component 104 through wires.

[0041] Furthermore, the protection assembly 300 is arranged on one side of the housing 101, and includes a protection plate 301 arranged on one side of the housing 101, an inspection slot 302 which is provided through one side of the protection plate 301 and adapted to the wiring terminal 201, and an inspection plate 303 which is detachably connected to one side of the inspection slot 302. Each group of inspection plates 303 is clamped on the inspection slot 302 for protection, and when maintenance work is required, the corresponding inspection plate 303 can be identified by the label 201a-7, and the group of inspection plates 303 can be disassembled from the inspection slot 302, so that the inspection slot 302 is opened for maintenance work, so that the adjacent wiring terminal 201 can be blocked and protected while the group of wiring terminals 201 is being repaired.

[0042] The wiring assembly 200 further includes a mounting rail 202 mounted inside the housing 101, and the wiring terminal 201 includes a terminal housing 201a embedded in one side of the mounting rail 202. The terminal housing 201a is detachably divided into a mounting block 201a-1 slidably connected to the mounting rail 202 and a connection block 201a-2 embedded in one side of the mounting block 201a. Both sides of the terminal housing 201a are provided with wiring slots 201a-3 adapted to the electrical instrument 103 and the switch component 104. When installing the wiring terminal 201, firstly fix the mounting rail 202 to the inner wall of the housing 101 by bolts, and then clamp one side of the mounting block 201a-1 of the wiring terminal 201 on the mounting rail 202. The wiring terminal 201 can be installed from the middle of the mounting rail 202 and slid to both sides along the mounting rail 202 to adjust the position.

[0043] Preferably, a conductive sheet 201a-4 adapted to the wiring slot 201a-3 is provided between the mounting block 201a-1 and the connecting block 201a-2, and a limiting member 201a-5 for squeezing the conductive sheet 201a-4 toward the wiring slot 201a-3 is provided on one side of the connecting block 201a-2; the limiting member 201a-5 is a prior art of the wiring terminal 201, and the structures of the limiting members 201a-5 of different types of wiring terminals 201 are not exactly the same, but the functions are the same, usually being an elastic buckle, and in this embodiment being a pressing structure in which the clearance shaft is connected to the torsion spring, the wires on one side of the electrical instrument 103 and the switch component 104 are respectively inserted into the wiring slots 201a-3 on both sides of the wiring terminal 201, and then the conductive sheet 201a-4 is squeezed by the limiting member 201a-5, so that the wires on both sides are squeezed and connected by the conductive sheet 201a-4.

[0044] The mounting block 201a-1 is connected to the conductive sheet 201a-4 and the connecting block 201a-2 by bolts 201a-6, and a label 201a-7 for marking the wiring terminal 201 is provided on one side of the connecting block 201a-2 close to the cabinet door 102. The corresponding label 201a-7 is clamped on the connecting block 201a-2 of the wiring terminal 201, which can be used for marking, so that the operator can quickly identify the corresponding circuit.

[0045] Working principle: When installing the terminal block 201, first fix the mounting rail 202 to the inner wall of the shell 101 with bolts, then clamp one side of the mounting block 201a-1 of the terminal block 201 on the mounting rail 202, and then insert the wires on one side of the electrical instrument 103 and the switch component 104 into the wiring groove 201a-3 on both sides of the terminal block 201 respectively, and then squeeze the conductive sheet 201a-4 through the limiter 201a-5 so that the wires on both sides are squeezed and connected by the conductive sheet 201a-4, and then the corresponding label 201a-7 is clamped on the connection block 201a-2 of the terminal block 201 for marking. Repeat the above steps until all groups of terminal blocks 201 are wired and installed, then snap each group of inspection panels 303 onto the inspection slots 302 for protection. When maintenance work is required, the corresponding inspection panel 303 can be identified by label 201a-7, and the inspection panel 303 of the group can be disassembled from the inspection slots 302 so that the inspection slots 302 can be opened for maintenance work, making it convenient to block and protect adjacent terminal blocks 201 while maintaining the group of terminal blocks 201.

[0046] Embodiment 2:

[0047] Reference Figure 1-Figure 14 , which is the second embodiment of the present invention. Different from the previous embodiment, this embodiment provides a control component 203 and a wiring buffer 204, which can control and adjust the position of the wiring terminal 201, making installation and maintenance convenient.

[0048] Specifically, the wiring assembly 200 further includes a control component 203 disposed on one side of the housing 101. The control component 203 includes two groups of first guide rails 203a fixedly disposed on the inner side of the housing 101. Two groups of symmetrically disposed second guide rails 203b are slidably connected in the first guide rails 203a. Both ends of the mounting rails 202 are fixedly connected to the second guide rails 203b on both sides by bolts, respectively. Two groups of mounting rails 202 are provided. A control component connected to the two groups of mounting rails 202 is disposed on the outer side of the housing 101. The two groups of mounting rails 202 are fixedly installed between the two groups of second guide rails 203b on the upper and lower sides by bolts, respectively. The distance between the two groups of mounting rails 202 can be controlled by the control component to slide relative to the first guide rails 203a.

[0049] Furthermore, the control member includes a slider 203c-1 respectively arranged on one side of the two sets of mounting rails 202, a slide groove 203c-2 adapted to the slider 203c-1 is arranged on one side of the housing 101, a bidirectional threaded rod 203c-3 penetrating the two sets of sliders 203c-1 is rotatably connected to one side of the housing 101, and the slider 203c-1 and the bidirectional threaded rod 203c-3 are threadedly connected. When the terminal block 201 is initially installed, the two sets of sliders 203c-1 on the bidirectional threaded rod 203c-3 are respectively located at two ends, that is, the adjustment plate 203b-1 is located at one end of the second guide rail 203b away from the two sets of mounting rails 202, and the second guide rail 203b is also located at one end of the first guide rail 203a away from the two sets of mounting rails 202, and at this time, the second guide rail 203b is fixed to the first guide rail 203a by an elastic buckle 203a-2. The elastic buckle 203a-2 is a common structure in the prior art, including a spring arranged on the second guide rail 203b and a positioning block connected to the spring. A slot adapted to the positioning block connected to the spring is provided at a designated position of the first guide rail 203a. When the second guide rail 203b slides to a designated position relative to the first guide rail 203a, the positioning block connected to the spring is inserted into the slot to fix the two relatively. In this embodiment, the friction force between the positioning block connected by the spring and the slot is greater than the sum of the friction force between the adjustment plate 203b-1 and the second guide rail 203b and the friction force between the guide column 203b-3 and the limit slot 203b-2.

[0050] Among them, an adjustment plate 203b-1 is slidably connected to one side of the second guide rail 203b, and a limiting groove 203b-2 with the same number as the group of terminal blocks 201 on the mounting slide rail 202 is opened on one side of the adjustment plate 203b-1, and a guide column 203b-3 adapted to the limiting groove 203b-2 is provided on one side of the mounting block 201a-1, and the slider 203c-1 is fixedly connected to the adjustment plate 203b-1. Only when the bidirectional threaded rod 203c-3 is rotated so that the adjustment plate 203b-1 applies a thrust to the end of the second guide rail 203b, can the thrust on the second guide rail 203b be greater than the elastic force of the elastic buckle 203a-2 between the second guide rail 203b and the first guide rail 203a, that is, at this time the thrust is greater than the friction force between the positioning block connected by the spring and the slot, so that the elastic buckle 203a-2 is unlocked, the positioning block connected by the spring is separated from the slot, and then the adjustment plate 203b-1 can push the second guide rail 203b along the first guide rail 203a to between the two sets of mounting slide rails 202.

[0051] Furthermore, the wiring assembly 200 also includes a wiring buffer portion 204 arranged between the wiring slot 1 201a-3 and the electrical instrument 103, and between the wiring slot 1 201a-3 and the switch component 104. The wiring buffer portion 204 includes a mounting plate 204a arranged on the inner side of the shell 101, a wire storage bin 204b embedded in one side of the mounting plate 204a, and a wiring slot 2 204c opened on the upper and lower sides of the wire storage bin 204b. When installing the wiring terminal 201, reserve enough length for the wires connected to the wiring slot 1 201a-3 on the upper and lower sides, and pass through the wiring slot 2 204c of the wire storage bin 204b to connect with the electrical instrument 103 and the switch component 104, and store the excessively long wires in the wire storage bin 204b. An automatic wire winding device of the prior art can be set in the wire storage bin 204b, such as an automatic charging cable storage device of the prior art. In this way, when the two sets of wiring terminals 201 approach each other, the excessively long wires can be automatically pulled out from the wire storage bin 204b to maintain connectivity, and when the two sets of wiring terminals 201 move in opposite directions, the excessively long wires can also be stored in the wire storage bin 204b and automatically wound.

[0052] Among them, the two ends of the multiple groups of limit grooves 203b-2 are respectively located at the same horizontal height, the spacing of one end of the multiple groups of limit grooves 203b-2 close to the two groups of mounting rails 202 is the same as the width dimension of the terminal 201, and the spacing of one end of the multiple groups of limit grooves 203b-2 away from the two groups of mounting rails 202 is twice the width dimension of the terminal 201, and the guide column 203b-3 is arranged in the middle position of the terminal 201. By rotating the bidirectional threaded rod 203c-3 on the outside of the shell 101, the upper and lower groups of sliders 203c-1 move toward the middle at the same time, and the slider 203c-1 drives the adjustment plate 203b-1 to slide in the second guide rail 203b. The sliding of the adjustment plate 203b-1 will also cause the guide column 203b-3 to slide in the limit groove 203b-2 toward one end close to the two groups of mounting rails 202, so that the intervals of the wiring terminals 201 on the same mounting rail 202 are staggered. Until the adjustment plate 203b-1 moves from one end to the other end of the second guide rail 203b, the intervals of the wiring terminals 201 on the upper mounting rail 202 are adapted to the positions of the wiring terminals 201 on the lower mounting rail 202.

[0053] Preferably, the length of the second guide rail 203b is twice the vertical distance between the two ends of the limit slot 203b-2, so that when the adjustment plate 203b-1 moves to two different ends of the second guide rail 203b, the guide column 203b-3 slides in the limit slot 203b-2 to adjust the spacing of the terminal blocks 201 on the same mounting slide rail 202 to the maximum or minimum value, and a return spring 203a-1 is provided between the two groups of second guide rails 203b on the same first guide rail 203a, and an elastic buckle 203a-2 for fixing the position of the second guide rail 203b is provided on one side of the first guide rail 203a. By setting a reset spring 203a-1, when the adjustment plate 203b-1 pushes the second guide rail 203b along the first guide rail 203a to between the two groups of mounting slide rails 202, the reset spring 203a-1 can be compressed, and the upper and lower groups of sliders 203c-1 slide in opposite directions at the same time. While the slider 203c-1 drives the adjustment plate 203b-1 to slide to both sides, the reset spring 203a-1 between the two groups of second guide rails 203b adaptively pushes the second guide rail 203b to slide along the first guide rail 203a to both sides, thereby separating the wiring terminals 201 on the upper and lower groups of mounting slide rails 202 from each other.

[0054] Furthermore, when the distance between the two sets of second rails 203b reaches the maximum value, the first rail 203a fixes the second rail 203b through the elastic buckle 203a-2, and when the distance between the two sets of second rails 203b reaches the minimum value, the multiple sets of terminal blocks 201 on the two sets of mounting rails 202 remain horizontal and flush. Among them, an elastic block 303a is provided on one side of the inspection plate 303, and a card slot 302a adapted to the elastic block 303a is provided on one side of the inspection slot 302. The width of the inspection slot 302 is twice the width of the terminal block 201, and the position of the inspection slot 302 is adapted to the position of the terminal block 201. By limiting the spacing between the multiple groups of limit grooves 203b-2 and the width of the terminal blocks 201, when the adjustment plate 203b-1 pushes the second guide rail 203b along the first guide rail 203a toward between the two groups of mounting rails 202, the terminal blocks 201 of the upper and lower groups of mounting rails 202 can be staggered into a row through the intervals.

[0055] The rest of the structure is the same as that of Example 1.

[0056] Working principle: When installing the wiring terminal 201, first install the wiring terminal 201 evenly on the upper and lower sets of mounting rails 202, then align the guide column 203b-3 with the limit groove 203b-2, and then connect and fix the guide column 203b-3 and the mounting block 201a-1 by bolts, so that the wiring terminal 201 can be installed in the middle area of ​​the upper and lower sets of mounting rails 202, which is convenient for installation without being blocked or interfered by the housings 101 on both sides. When the wiring terminal 201 is initially installed, the two sets of sliders 203c-1 on the bidirectional threaded rod 203c-3 are respectively located at both ends, that is, the adjustment plate 203b-1 is located at one end of the second guide rail 203b away from the two sets of mounting rails 202, and the second guide rail 203b is also located at one end of the first guide rail 203a away from the two sets of mounting rails 202. At this time, the second guide rail 203b is fixed to the first guide rail 203a by the elastic buckle 203a-2.

[0057] Then, by rotating the bidirectional threaded rod 203c-3 on the outside of the shell 101, the upper and lower sets of sliders 203c-1 move toward the middle at the same time, and the slider 203c-1 drives the adjustment plate 203b-1 to slide in the second guide rail 203b. The sliding of the adjustment plate 203b-1 will also cause the guide column 203b-3 to slide in the limit groove 203b-2 toward one end between the two sets of mounting rails 202, so that the spacing of the wiring terminals 201 on the same mounting rail 202 is staggered. Until the adjustment plate 203b-1 moves from one end of the second guide rail 203b to the other end, the spacing of the wiring terminals 201 on the upper mounting rail 202 is equal to that of the wiring terminals 201 on the lower mounting rail 202. 01 position adaptation, and then rotate the bidirectional threaded rod 203c-3 so that the adjustment plate 203b-1 will directly apply a thrust to the end of the second guide rail 203b, thereby easily making the thrust on the second guide rail 203b greater than the elastic force of the elastic buckle 203a-2 between the second guide rail 203b and the first guide rail 203a, and then the adjustment plate 203b-1 can push the second guide rail 203b along the first guide rail 203a to between the two groups of mounting rails 202, and compress the return spring 203a-1 between the two groups of second guide rails 203b, until the wiring terminals 201 of the upper and lower groups of mounting rails 202 are staggered into a row through the intervals, thereby saving space in the shell 101 during normal use.

[0058] When temporary maintenance is required, the bidirectional threaded rod 203c-3 is rotated in the opposite direction, so that the upper and lower sets of sliders 203c-1 slide in opposite directions at the same time. While the slider 203c-1 drives the adjustment plate 203b-1 to slide to both sides, the return spring 203a-1 between the two sets of second guide rails 203b adaptively pushes the second guide rail 203b to slide along the first guide rail 203a to both sides, so that the wiring terminals 201 on the upper and lower sets of mounting rails 202 are separated from each other, and the entire row of wiring terminals 201 on the same set of mounting rails 202 are spaced and correspond one to one with the maintenance slot 302, the corresponding maintenance plate 303 is identified by the label 201a-7, and the group of maintenance plates 303 and the maintenance slot 302 are disassembled to make The inspection slot 302 can be opened for inspection work, which is convenient for blocking and protecting the adjacent wiring terminals 201 while inspecting the group of wiring terminals 201; when the wiring terminals 201 need to be completely removed, the two-way threaded rod 203c-3 is continued to be rotated to make the slider 203c-1 slide to both ends, and the adjustment plate 203b-1 slides to the end of the second guide rail 203b. When the adjustment plate 203b-1 and the second guide rail 203b slide relative to each other, the guide column 203b-3 slides relatively in the limit slot 203b-2 from one end close to the two groups of mounting rails 202 to the other end, so that the wiring terminals 201 on the same mounting rail 202 are close to the middle area, which is convenient for removal from the middle with sufficient operating space.

[0059] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A terminal block wiring device for a power distribution cabinet, the power distribution cabinet (100) comprising a housing (101), a cabinet door (102), and an electrical instrument (103) and a switch component (104) arranged in the housing (101), the terminal block wiring device comprising: A wiring assembly (200) comprising at least two groups of wiring terminals (201) arranged side by side and installed in a housing (101), wherein the wiring terminals (201) are connected between an electrical instrument (103) and a switch component (104) via electric wires; and A protection component (300), the protection component being arranged on one side of the housing (101), comprising a protection plate (301) arranged on one side of the housing (101), an inspection slot (302) extending through one side of the protection plate (301) and adapted to the wiring terminal (201), and an inspection plate (303) detachably connected to one side of the inspection slot (302); The wiring assembly (200) further comprises a mounting rail (202) mounted inside the housing (101); the wiring terminal (201) comprises a terminal housing (201a) embedded in one side of the mounting rail (202); the terminal housing (201a) is detachably divided into a mounting block (201a-1) slidably connected to the mounting rail (202) and a connection block (201a-2) embedded in one side of the mounting block (201a-1); and wiring slots (201a-3) adapted to the electrical instrument (103) and the switch component (104) are respectively provided on both sides of the terminal housing (201a); A conductive sheet (201a-4) adapted to the first wiring slot (201a-3) is provided between the mounting block (201a-1) and the connecting block (201a-2); a limiting member (201a-5) for pressing the conductive sheet (201a-4) toward the first wiring slot (201a-3) is provided on one side of the connecting block (201a-2); The mounting block (201a-1) is connected to the conductive sheet (201a-4) and the connecting block (201a-2) via bolts (201a-6); a label (201a-7) for marking the connection terminal (201) is provided on a side of the connecting block (201a-2) close to the outside of the cabinet door (102). The wiring assembly (200) is characterized in that: the wiring assembly (200) further includes a control component (203) arranged on one side of the shell (101), the control component (203) includes two groups of first guide rails (203a) fixedly arranged on the inner side of the shell (101), two groups of symmetrically arranged second guide rails (203b) are slidably connected inside the first guide rails (203a), the two ends of the installation slide rail (202) are respectively fixedly connected to the second guide rails (203b) on both sides by bolts, the installation slide rail (202) is provided with two groups, and a control component connected to the two groups of installation slide rails (202) is provided on the outer side of the shell (101).

2. The terminal block wiring device for a power distribution cabinet according to claim 1, characterized in that: The control component comprises a slider (203c-1) respectively arranged on one side of two groups of mounting slide rails (202); a slide groove (203c-2) adapted to the slider (203c-1) is arranged on one side of the housing (101); a bidirectional threaded rod (203c-3) penetrating the two groups of sliders (203c-1) is rotatably connected to one side of the housing (101); the slider (203c-1) and the bidirectional threaded rod (203c-3) are threadedly connected.

3. The terminal block wiring device for a power distribution cabinet according to claim 2, characterized in that: One side of the second guide rail (203b) is slidably connected to an adjustment plate (203b-1), one side of the adjustment plate (203b-1) is provided with limit slots (203b-2) having the same number as the number of groups of connection terminals (201) on the mounting slide rail (202), one side of the mounting block (201a-1) is provided with guide columns (203b-3) adapted to the limit slots (203b-2), and the slider (203c-1) is fixedly connected to the adjustment plate (203b-1).

4. The terminal block wiring device for a power distribution cabinet according to claim 3, characterized in that: The two ends of the plurality of limit grooves (203b-2) are respectively located at the same horizontal height, the spacing of one end of the plurality of limit grooves (203b-2) close to the two sets of mounting slide rails (202) is the same as the width dimension of the wiring terminal (201), and the spacing of one end of the plurality of limit grooves (203b-2) away from the two sets of mounting slide rails (202) is twice the width dimension of the wiring terminal (201), and the guide column (203b-3) is arranged in the middle position of the wiring terminal (201).

5. The terminal block wiring device for a power distribution cabinet according to claim 4, characterized in that: The length of the second guide rail (203b) is twice the vertical distance between the two ends of the limiting groove (203b-2); a return spring (203a-1) is provided between the two groups of second guide rails (203b) on the same first guide rail (203a); and an elastic buckle (203a-2) for fixing the position of the second guide rail (203b) is provided on one side of the first guide rail (203a); When the distance between the two sets of second guide rails (203b) reaches a maximum value, the first guide rail (203a) fixes the second guide rail (203b) via the elastic buckle (203a-2), and when the distance between the two sets of second guide rails (203b) reaches a minimum value, the multiple sets of connection terminals (201) on the two sets of mounting slide rails (202) remain horizontal and flush.

6. The terminal block wiring device for a power distribution cabinet according to any one of claims 1 to 5, characterized in that: An elastic block (303a) is provided on one side of the inspection plate (303), and a clamping slot (302a) adapted to the elastic block (303a) is provided on one side of the inspection slot (302). The width of the inspection slot (302) is twice the width of the wiring terminal (201), and the position of the inspection slot (302) is adapted to the position of the wiring terminal (201).

7. The terminal block wiring device for a power distribution cabinet according to claim 6, characterized in that: The wiring assembly (200) further comprises a wiring buffer portion (204) disposed between a wiring slot 1 (201a-3) and the electrical instrument (103), and between a wiring slot 1 (201a-3) and a switch component (104); the wiring buffer portion (204) comprises a mounting plate (204a) disposed on the inner side of the housing (101), a wire storage bin (204b) engaged with one side of the mounting plate (204a), and a wiring slot 2 (204c) extending through the upper and lower sides of the wire storage bin (204b).

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