Modular quick release enclosure for photovoltaic metering instruments

Abstract

The utility model relates to photovoltaic metering instrument technical field especially relates to a kind of modular quick-release shell of photovoltaic metering instrument, a kind of modular quick-release shell of photovoltaic metering instrument, including instrument shell, the inner cavity mouth for installing instrument device is opened in the instrument shell, the inner cavity mouth is through instrument shell top wall and left and right two walls, the instrument shell bottom and top are respectively provided with a pair of pedestal and top cover, connecting piece is arranged between the instrument shell, pedestal and top cover, and connecting piece is used for detachably connecting instrument shell, pedestal and top cover. When using the utility model, the electric device, instrument device needs to be maintained, the screw is disassembled, the top cover is pulled down, two top covers are respectively disassembled, so that the inner cavity mouth of instrument shell, the electric device or instrument device, such as multimeter, ammeter, is installed in center mouth, and maintenance is carried out.

Description

Technical Field

[0001] This utility model relates to the field of housing technology, and in particular to a modular quick-release housing for a photovoltaic metering instrument. Background Technology

[0002] The outer casing is used to house the discharge device. In photovoltaic metering instruments, the metering electrical devices, such as voltmeters and ammeters, are placed inside. The outer side of the instrument is formed by the casing, and the inner cavity is formed to house the discharge device. This outer casing structure is used to house the electrical devices of the photovoltaic metering instrument. This outer casing and the electrical devices together form a photovoltaic metering instrument.

[0003] The outer casing of the photovoltaic meter has a simple structure, which is a common one-piece construction. The top end wall is assembled with a threaded plate to seal the inner cavity of the casing. It is very difficult to operate when assembling or disassembling the casing. The single cavity opening at the top of the casing is not convenient for retrieving, storing, repairing and maintaining the instrument parts. Utility Model Content

[0004] The purpose of this invention is to provide a modular quick-release housing for a photovoltaic metering instrument.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A modular quick-release housing for a photovoltaic metering instrument includes an instrument housing with an inner cavity for installing instrument components. The inner cavity extends through the top wall and the left and right walls of the instrument housing. A pair of bases and a top cover are respectively provided at the bottom and top of the instrument housing. A connector is provided between the instrument housing, the bases, and the top cover for detachable connection of the instrument housing, the bases, and the top cover.

[0006] Preferably, the connector includes a lower pin symmetrically fixed to the bottom wall of the instrument housing and a pair of lower insertion holes on the end wall of the base that engage with the lower pin. The lower pin and the base are fixed together, so that the base is connected from the bottom of the instrument housing.

[0007] Preferably, the connector further includes an assembly opening at the top end wall of the base and cover pins fixed to the two end walls of the bottom wall of the top cover. The assembly opening and cover pins are engaged to connect the base and the top cover.

[0008] Preferably, the connector further includes a insert fixed to the bottom wall of the base and an upper insertion port on the top wall of the instrument housing that engages with the insert.

[0009] Preferably, the connector further includes screws threaded into the assembly opening at both sides of the base and threaded into the cover pin.

[0010] Preferably, the instrument housing has a rectangular central opening at the bottom end wall near the center of the inner cavity, and threaded holes for threaded connection with the instrument components are provided at equal intervals at the inner cavity and the end wall of the central opening.

[0011] This utility model has at least the following beneficial effects: 1. The lower pin on the bottom wall of the instrument housing is inserted into the lower socket, so that the base is snapped into the instrument housing from the bottom. Then the top cover is closed from the top of the instrument housing. The insert and upper socket are snapped into place, and the assembly port and cover pin are snapped into place, so that the top cover, instrument housing and base are connected together. Tighten the screws to make them firmly connected and form a whole. 2. When using the instrument, it is necessary to maintain and repair the electrical components and instruments. Remove the screws, pull off the top cover, and remove the two top covers separately to allow maintenance and repair of the electrical components or instruments installed in the inner cavity and center opening of the instrument housing, such as multimeters and ammeters. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the present invention; Figure 2 for Figure 1 A schematic diagram of the instrument housing and lower pin; Figure 3 for Figure 1 A front view diagram of the top cover and cover pin; Figure 4 for Figure 1 A schematic diagram of the instrument housing, upper insertion port, inner cavity port, and center port.

[0014] In the diagram: 1. Instrument housing; 2. Lower pin; 3. Base; 4. Assembly port; 5. Screw; 6. Top cover; 7. Cover pin; 8. Insert; 9. Upper insertion port; 10. Inner cavity port; 11. Center port; 12. Threaded hole; 13. Lower insertion port. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0016] Please see Figure 1-4This utility model provides a technical solution for a modular quick-release housing for a photovoltaic metering instrument: like Figure 1-4 As shown, a modular quick-release housing for a photovoltaic metering instrument includes an instrument housing 1. The instrument housing 1 has an inner cavity 10 for installing instrument components. The inner cavity 10 penetrates the top wall and the left and right walls of the instrument housing 1. A pair of bases 3 and a top cover 6 are respectively provided at the bottom and top of the instrument housing 1. A connector is provided between the instrument housing 1, the bases 3 and the top cover 6. The connector is used to detachably connect the instrument housing 1, the bases 3 and the top cover 6. The connector includes a lower pin 2 symmetrically fixed to the bottom wall of the instrument housing 1 and a pair of lower insertion ports 13 opened on the end wall of the base 3, which are engaged with the lower pin 2. The lower pin 2 and the base 3 are fixedly connected, so that the base 3 is connected from the bottom of the instrument housing 1. The connector also includes an assembly port 4 opened at the top end wall of the base 3 and cover pins 7 fixed to the two end walls of the bottom wall of the top cover 6. The assembly port 4 and the cover pins 7 are engaged, so that the base 3 and the top cover 6 are connected. The connector also includes a insert 8 fixed to the bottom wall of the base 3, and an upper insertion port 9 opened on the top wall of the instrument housing 1 to engage with the insert 8. The connector also includes screws 5 threaded into the assembly port 4 on both sides of the base 3 and threaded into the cover pin 7. A rectangular central opening 11 is provided on the bottom end wall near the center of the inner cavity opening 10 of the instrument housing 1. Threaded holes 12 that are threaded to the instrument components are provided at equal intervals on the end walls of the inner cavity opening 10 and the central opening 11.

[0017] Working principle: The inner cavity 10 and center opening 11 of the instrument housing 1 are used to place the photovoltaic measuring instrument. The instrument is installed by screws, and the threaded hole 12 is used to connect with the screws. The lower pin 2 at the bottom wall of the instrument housing 1 is inserted into the lower insertion port 13, so that the base 3 is snapped into the instrument housing 1 from the bottom. Then the top cover 6 is closed from the top of the instrument housing 1. The insert 8 and the upper insertion port 9 are snapped into place, and the assembly port 4 and the cover pin 7 are inserted into and snapped into place, so that the top cover 6, the instrument housing 1 and the base 3 are connected together. Tighten the screw 5 to make them firmly connected and form a whole. When using the instrument, it is necessary to maintain and repair the electrical components and instruments. Remove screw 5, pull off the top cover 6, and remove the two top covers 6 respectively to allow the electrical components or instruments installed in the inner cavity 10 and center 11 of the instrument housing 1, such as multimeters and ammeters, to be maintained and repaired.

[0018] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A modular quick-release housing for a photovoltaic metering instrument, comprising an instrument housing (1), characterized in that, The instrument housing (1) has an inner cavity (10) for installing instrument components. The inner cavity (10) penetrates the top wall and the left and right walls of the instrument housing (1). The bottom and top of the instrument housing (1) are respectively provided with a pair of bases (3) and a top cover (6). A connector is provided between the instrument housing (1), the bases (3) and the top cover (6). The connector is used to detachably connect the instrument housing (1), the bases (3) and the top cover (6).

2. The modular quick-release housing of a photovoltaic metering instrument according to claim 1, characterized in that, The connector includes a lower pin (2) symmetrically fixed to the bottom wall of the instrument housing (1) and a pair of lower insertion ports (13) opened on the end wall of the base (3) that engage with the lower pin (2). The lower pin (2) and the base (3) are fixed together so that the base (3) is connected from the bottom of the instrument housing (1).

3. The modular quick-release housing of a photovoltaic metering instrument according to claim 2, characterized in that, The connector also includes an opening (4) at the top end wall of the base (3) and cover pins (7) fixed at the bottom end walls of the top cover (6). The opening (4) and cover pins (7) are engaged to connect the base (3) and the top cover (6).

4. The modular quick-release housing of a photovoltaic metering instrument according to claim 3, characterized in that, The connector also includes a insert (8) fixed to the bottom wall of the base (3) and an upper insertion port (9) opened on the top wall of the instrument housing (1) to engage with the insert (8).

5. The modular quick-release housing of a photovoltaic metering instrument according to claim 4, characterized in that, The connector also includes screws (5) that are threaded into the assembly opening (4) and threaded into the cover pin (7) at both sides of the base (3).

6. The modular quick-release housing of a photovoltaic metering instrument according to claim 5, characterized in that, The instrument housing (1) has a rectangular central opening (11) at the bottom end wall near the center of the inner cavity opening (10), and threaded holes (12) for threaded connection with the instrument components are equally spaced at the end walls of the inner cavity opening (10) and the central opening (11).

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