Inverter terminal protective cover

Abstract

The utility model relates to the field of operation and maintenance protection of photovoltaic power station inverters, and discloses an inverter terminal protective cover which comprises a bottom plate, two side plates and a door plate, the bottom plate is provided with a cable groove with an opening at one end, the opening direction of the cable groove faces the inner side of the bottom plate, the upper end face of the bottom plate is further provided with a fixing column and an elastic U-shaped clamping ring, and the fixing column is fixedly connected with the door plate. Fixing holes are formed in the fixing columns, two clamping columns are symmetrically arranged at the two ends of the elastic U-shaped clamping ring, and when the two clamping columns are inserted into the two adjacent fixing holes respectively, the elastic U-shaped clamping ring is located above the cable groove, and a limiting through hole is defined by the elastic U-shaped clamping ring and the cable groove. According to the utility model, the structure is simple, the cable groove with the opening at one end is arranged on the bottom plate, so that a cable can directly enter the cable groove from the opening of the cable groove during installation, and the wiring and protection of inverter equipment can be effectively ensured not to be influenced; a limiting through hole defined by the elastic U-shaped clamping ring and the cable groove can further limit the cable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the operation and maintenance protection field of photovoltaic power station inverter, especially to inverter wiring terminal protection cover. BACKGROUND

[0002] The current household photovoltaic power station inverter installation environment is complex and various, and more inverters are installed in the range accessible to irrelevant personnel, such as beside the road or under the eaves of the farmer's house, which exists the safety risks of electric shock, misoperation, exposed and aging damage of equipment cables and electrical switches.

[0003] The utility model discloses a photovoltaic inverter sub string cable protection cover, the utility model discloses a hollow shell and sets up the fixed component on the shell, the shell includes the opening of top arrangement and the opening and closing board of hinged connection with lateral wall, the shell is used to protect the sub string cable of photovoltaic inverter, the fixed component includes the first hoop of setting on the shell and the second hoop of being connected with the first hoop, and the protection cover is fixed through the first hoop and the second hoop, the utility model discloses a support rod on the photovoltaic inverter through the fixed component, and the shell can effectively protect the sub string cable of photovoltaic inverter, and the damage of cable to the sub string cable due to human or external is avoided, can effectively prevent the hidden danger expansion to cause serious accident, and the protection cover is strong in corrosion resistance, firm and durable, and only needs to regularly patrol the protection cover complete, but the utility model discloses the cable needs to be first from the cable through hole and is taken out to carry out cable connection when practical application installation, and the installation is inconvenient, and when opening the opening and closing board during maintenance, the opening and closing board will be automatically turned down due to gravity, and the cable is easily pulled and makes the wiring terminal loose, the cable is easily pulled when the position of cable through hole changes, and the cable can not be well limited and protected. UTILITY MODEL CONTENTS

[0004] The utility model discloses simple structure, convenient to install's inverter wiring terminal protection cover to the short of prior art.

[0005] In order to solve the above technical problem, the utility model solves through the following technical scheme:

[0006] The inverter terminal protection cover comprises a shell, the shell is enclosed by a bottom plate, two side plates and a door plate, the two side plates are respectively located on the left and right sides of the bottom plate, the door plate is located on the outer side of the bottom plate, a cable slot with one end opening is formed on the bottom plate, the opening direction of the cable slot is towards the inner side of the bottom plate, a fixed column and an elastic U-shaped clasp are further arranged on the upper end face of the bottom plate, the fixed columns are uniformly arranged along the length direction of the cable slot, a fixed hole penetrating through the front and back sides of the fixed column is formed on the fixed column, two clamping columns are symmetrically arranged at the two ends of the elastic U-shaped clasp, when the two clamping columns are respectively inserted into the adjacent two fixed holes, the elastic U-shaped clasp is located above the cable slot and encloses the cable slot to form a limiting through hole. The overall structure of the shell is simple, and the side close to the inner side directly contacts with the installation wall, which not only has low cost but also is convenient for heat dissipation of the inverter equipment; the cable slot with one end opening is formed on the bottom plate, which is convenient for the cable to enter the cable slot from the opening of the cable slot during installation, the cable terminal does not need to be disassembled and can be installed at any time, which has strong adaptability, the cable slot can also limit the cable, and the cable slot is located on the bottom plate, so that the cable will not be pulled and the terminal will not be loose when the door plate is opened and closed, which can effectively ensure that the wiring and protection of the inverter equipment are not affected; the limiting through hole formed by the elastic U-shaped clasp and the cable slot can further limit the cable, which is also convenient for cable arrangement.

[0007] As preferred, the elastic U-shaped clasp comprises an open ring, two connecting plates and two fixed plates, the open ring is located above the cable slot and encloses the cable slot to form a limiting through hole, the two ends of the open ring are respectively connected with one end of the two connecting plates, the other end of the two connecting plates is respectively connected with the two fixed plates, the two connecting plates and the two fixed plates are symmetrically arranged, and the clamping column is arranged at the end of the fixed plate away from the connecting plate. The elastic U-shaped clasp is designed ingeniously, the clamping column is inserted and matched with the fixed hole, the clamping column can be inserted into and separated from the fixed hole by pressing the connecting plate at the same time, and the cable can enter the limiting through hole from the gap between the two connecting plates.

[0008] As preferred, the distance between the one end of the two connecting plates connected with the open ring is greater than the distance between the one end of the two connecting plates connected with the fixed plate. It is convenient to press the connecting plate, so that the clamping column is convenient to insert and separate from the fixed hole.

[0009] As preferred, the open ring is sheet-shaped and the opening is towards the side plate. It is convenient to limit the cable.

[0010] As preferred, one side of the door plate is hinged with one side plate, and the other side of the door plate is locked and matched with the other side plate. It is convenient for maintenance personnel to open and close the protection cover and to maintain the internal terminal.

[0011] As preferred, the cable slot is a U-shaped slot, and the number of the cable slots is 1-5. The cable can be effectively protected and the installation is convenient.

[0012] As preferred, the side plates are provided with heat dissipation holes.

[0013] As preferred, the two side plates are provided with fixing pieces away from the ends of the door plate, and the fixing pieces are provided with mounting holes.

[0014] The utility model discloses an inverter wiring end protection cover, through setting up the cable slot of one end having the opening on the bottom plate, the cable is directly entered the cable slot from the cable slot opening when installing, need not to dismount the cable wiring end to can install, and the adaptability is strong, and the cable slot can also position the cable, and the cable slot is located on the bottom plate, when the door plate opens and shuts, will not pull the cable and make the wiring end loose, can effectively guarantee the wiring and protection of inverter equipment are not influenced, the limiting through -hole that elastic U -shaped snap ring and cable slot surround formation can further position the cable, also convenient for cable arrangement. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic drawing when the door plate of the utility model opens.

[0016] Figure 2 It is the structure schematic drawing when the door plate of the utility model closes.

[0017] Figure 3 It is the structure schematic drawing of the bottom plate of the utility model.

[0018] Figure 4 It is the structure schematic drawing of the elastic U -shaped snap ring of the utility model.

[0019] The technical name of the reference numeral in the drawing is: 1 - bottom plate, 11 - cable slot, 12 - fixed column, 121 - fixed hole, 13 - elastic U -shaped snap ring, 131 - opening ring, 132 - connecting plate, 133 - fixed plate, 1331 - clamping column, 14 - limiting through -hole, 2 - side plate, 21 - heat dissipation hole, 22 - fixing piece, 23 - mounting hole, 3 - door plate. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below in connection with the drawings and examples.

[0021] Example 1

[0022] The inverter wiring end protection cover, such as Figures 1-4As shown, the inverter terminal protection cover comprises a shell, the shell is formed by a bottom plate 1, two side plates 2 and a door plate 3, the two side plates 2 are respectively located on the left and right sides of the bottom plate 1, the door plate 3 is located on the outside of the bottom plate 1, a cable slot 11 with one end opening is formed on the bottom plate 1, the opening direction of the cable slot 11 is towards the inside of the bottom plate 1, a fixed column 12 and an elastic U-shaped clasp 13 are further arranged on the upper end face of the bottom plate 1, the fixed columns 12 are evenly arranged along the length direction of the cable slot 11, a fixed hole 121 penetrating through the front and back sides of the fixed column 12 is formed on the fixed column 12, two clamping columns 1331 are symmetrically arranged at the two ends of the elastic U-shaped clasp 13, when the two clamping columns 1331 are respectively inserted into the adjacent two fixed holes 121, the elastic U-shaped clasp 13 is located above the cable slot 11 and forms a limiting through hole 14 with the cable slot 11. The overall structure of the shell is simple, and the side close to the inside directly contacts with the installation wall, which not only has low cost but also is convenient for heat dissipation of the inverter equipment; by forming the cable slot 11 with one end opening on the bottom plate 1, the cable can be directly inserted into the cable slot 11 from the opening of the cable slot 11 during installation, the cable terminal does not need to be disassembled and can be installed at any time, which has strong adaptability, meanwhile, the cable slot 11 can also limit the cable, and the cable slot 11 is located on the bottom plate 1, when the door plate 3 is opened and closed, the cable will not be pulled to loosen the terminal, which can effectively ensure that the wiring and protection of the inverter equipment are not affected; the limiting through hole 14 formed by the elastic U-shaped clasp 13 and the cable slot 11 can further limit the cable, which is also convenient for cable arrangement.

[0023] The elastic U-shaped clasp 13 comprises an open ring 131, two connecting plates 132 and two fixed plates 133, the open ring 131 is located above the cable slot 11 and forms the limiting through hole 14 with the cable slot 11, the two ends of the open ring 131 are respectively connected with one end of the two connecting plates 132, the other end of the two connecting plates 132 is respectively connected with the two fixed plates 133, the two connecting plates 132 and the two fixed plates 133 are symmetrically arranged, and the clamping column 1331 is arranged at one end of the fixed plate 133 away from the connecting plate 132. The elastic U-shaped clasp 13 is made of elastic material, the elastic U-shaped clasp 13 is designed ingeniously, the clamping column 1331 is inserted into and separated from the fixed hole 121 through pressing the connecting plate 132 at the same time, and the cable can enter the limiting through hole 14 through the gap between the two connecting plates 132.

[0024] The distance between the one end of the two connecting plates 132 connected with the open ring 131 is greater than the distance between the one end of the two connecting plates 132 connected with the fixed plate 133. It is convenient to press the connecting plate 132, so that the clamping column 1331 is convenient to insert and separate from the fixed hole 121.

[0025] The open ring 131 is sheet-shaped and the opening is towards the side plate 2. It is convenient to limit the cable.

[0026] One side of the door plate 3 is hinged with the left side plate 2, and the other side of the door plate 3 is locked with the right side plate 2, facilitating the maintenance personnel to open and close the protective cover and to maintain the internal wiring terminal.

[0027] The cable groove 11 is a U-shaped groove, and the number of the cable grooves 11 is three.

[0028] The side plate 2 is provided with a heat dissipation hole 21.

[0029] The two side plates 2 are provided with fixing pieces 22 at the ends away from the door plate 3, and the fixing pieces 22 are provided with mounting holes 23.

[0030] The working principle of the utility model is as follows: during installation, first, the door plate 3 is opened, the opening end of the cable groove 11 is aligned with the position of the cable, and the cable is put into the cable groove 11, the inner side wall of the bottom plate 1 and the fixing piece 22 are attached to the mounting wall, then the casing is fixed on the mounting wall by using expansion screws and other fixing members passing through the mounting holes 23, the position of the cable is further limited and classified by using the elastic U-shaped clasp 13, the cable passes through the gap between the two connecting plates 132 and the opening of the opening ring 131 in sequence and enters the limiting through hole 14, then the two connecting plates 132 are squeezed, the distance between the two clamping columns 1331 is reduced, so that the two clamping columns 1331 are inserted into the adjacent two fixing holes 121, and finally the door plate 3 is locked with the right side plate 2.

[0031] Embodiment 2

[0032] The difference from the embodiment 1 is that the number of the cable grooves 11 is one.

[0033] Embodiment 3

[0034] The difference from the embodiment 1 is that the number of the cable grooves 11 is five.

[0035] Embodiment 4

[0036] The difference from the embodiment 1 is that one side of the door plate 3 is hinged with the right side plate 2, and the other side of the door plate 3 is locked with the left side plate 2.

[0037] The above-described embodiments are only a preferred scheme of the utility model, and do not limit the utility model in any form, and other variants and modifications can be made without exceeding the technical scheme recorded in the claims.

Claims

1. An inverter terminal guard, characterized by: The shell is enclosed by a bottom plate (1), two side plates (2) and a door plate (3), the two side plates (2) are respectively located on the left and right sides of the bottom plate (1), the door plate (3) is located on the outside of the bottom plate (1), a cable slot (11) with one end opening is formed on the bottom plate (1), the opening direction of the cable slot (11) faces the inside of the bottom plate (1), a fixed column (12) and an elastic U-shaped clasp (13) are arranged on the upper end face of the bottom plate (1), the fixed columns (12) are uniformly arranged along the length direction of the cable slot (11), the fixed holes (121) penetrating through the front and back sides of the fixed column (12) are formed on the fixed column (12), the two ends of the elastic U-shaped clasp (13) are symmetrically provided with two clamping columns (1331), when the two clamping columns (1331) are respectively inserted into the adjacent two fixed holes (121), the elastic U-shaped clasp (13) is located above the cable slot (11) and forms a limiting through hole (14) with the cable slot (11).

2. The inverter terminal guard of claim 1, wherein: The elastic U-shaped clasp (13) comprises an open ring (131), two connecting plates (132) and two fixed plates (133), the open ring (131) is located above the cable slot (11) and forms the limiting through hole (14) with the cable slot (11), the two ends of the open ring (131) are respectively connected with one end of the two connecting plates (132), the other end of the two connecting plates (132) is respectively connected with the two fixed plates (133), the two connecting plates (132) and the two fixed plates (133) are symmetrically arranged, and the clamping column (1331) is arranged at one end of the fixed plate (133) away from the connecting plate (132).

3. The inverter terminal guard of claim 2, wherein: The distance between the one end of the two connecting plates (132) connected with the open ring (131) is greater than the distance between the one end of the two connecting plates (132) connected with the fixed plate (133).

4. The inverter terminal guard of claim 2, wherein: The open ring (131) is sheet-shaped and the opening faces the side plate (2).

5. The inverter terminal guard of claim 1, wherein: One side of the door plate (3) is hinged with one side plate (2), and the other side of the door plate (3) is locked and matched with the other side plate (2).

6. The inverter terminal guard of claim 1, wherein: The cable slot (11) is a U-shaped slot, and the number of the cable slot (11) is 1-5.

7. The inverter terminal guard of claim 1, wherein: The side plate (2) is provided with a fixing sheet (22) at one end away from the door plate (3), and the fixing sheet (22) is provided with a mounting hole (23).

8. The inverter terminal guard of claim 1, wherein: The side plate (2) is provided with a fixing sheet (22) at one end away from the door plate (3), and the fixing sheet (22) is provided with a mounting hole (23).

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