Photovoltaic direct-current fuse base

Abstract

The utility model relates to the technical field of photovoltaic power generation, and discloses a photovoltaic direct current fuse base, which comprises a fixed bottom plate, the upper surface of the fixed bottom plate is fixedly connected with a main support plate, the inner surface of the main support plate is slidably connected with a drawing frame, and the outer surface of one side, close to the main support plate, of the drawing frame is fixedly connected with a reset rod. According to the photovoltaic direct-current fuse base, the fuse is aligned to the inclined surface of the clamping block and is pressed downwards, so that the clamping block is pushed and extruded towards two sides by the fuse, an anti-falling disc is pushed outwards by the clamping block through an extrusion rod in the outward sliding process, and meanwhile, a pressing sliding plate is pressed downwards in the downward pressing process of the fuse; according to the self-locking type fuse fixing device, the locking and clamping plate pushes and extrudes the inclined face of the locking plate block, so that when the locking and clamping plate makes contact with the fixing bottom plate, the locking plate block is pulled back by the pull-back disc, the upper surface of the locking and clamping plate is clamped by the locking plate block, meanwhile, the pressing spring drives the clamping block to push and extrude the fuse, and therefore self-locking type fixing is conducted on the fuse.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic direct current fuse base. Background Art

[0002] Photovoltaic power generation is a technology that uses the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy. It is mainly composed of three parts: solar panels, controllers and inverters, and the main components are made of electronic components.

[0003] In the prior art, if the fuse base is not properly fixed, the fuse may be pulled or vibrated, causing the internal cables to twist, which may damage the cables. When removing the fuse, tools may need to be inserted into the base to clamp it, which may damage some devices of the base. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a photovoltaic DC fuse base, which can fix the fuse placed therein to prevent the cable connected to the fuse from breaking due to excessive pulling. When the fuse needs to be taken out, the fuse can be automatically popped out, which has the advantage of not requiring tools to be inserted deep into the base and causing damage to some devices of the base. It solves the problem that if the fuse base is not well fixed, the fuse may be pulled or vibrated, causing the internal cables to be twisted, thereby causing damage to the cables. When you want to take out the fuse, you may need to insert the tool into the base to clamp it, and this behavior may cause damage to some devices of the base.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic DC fuse base, comprising a solid bottom plate, the upper surface of the solid bottom plate is fixedly connected to a main support plate, the inner surface of the main support plate is slidably connected to a pull-out frame, the outer surface of the pull-out frame close to the main support plate is fixedly connected to a reset rod, the outer circumferential surface of the reset rod is slidably connected to the main support plate, the reset rod is fixedly connected to a pull-back disk at one end away from the pull-out frame, the outer surface of the pull-out frame close to the main support plate is fixedly connected to a locking plate, the outer surface of the locking plate is slidably connected to the main support plate, the outer surface of the locking plate is clamped with a locking card plate at the side away from the solid bottom plate, the inner surface of the locking card plate is slidably connected to a guide slide rod, the lower end of the guide slide rod is fixedly connected to the solid bottom plate, the outer circumferential surface of the guide slide rod is slidably connected to a buffer spring, and the buffer spring is fixedly connected to one end close to the solid bottom plate A locking card plate is provided, and a pressure slide plate is fixedly connected to the outer surface of the locking card plate away from the solid bottom plate, and a storage plate is slidably connected to the outer surface of the pressure slide plate, and the outer surface of the storage plate close to the solid bottom plate is fixedly connected to the main support plate, and the outer surface of the storage plate close to the solid bottom plate is fixedly connected to a guide slide rod, and the outer surface of the storage plate close to the solid bottom plate is fixedly connected to a buffer spring, and the outer surface of the storage plate away from the main support plate is fixedly connected to a single bending frame, and an extrusion rod is slidably connected to the inner surface of the single bending frame, and a pressure spring is slidably connected to the outer circumferential surface of the extrusion rod, one end of the pressure spring is fixedly connected to the single bending frame, and the end of the pressure spring away from the single bending frame is fixedly connected to an anti-slip disk, and the outer surface of the anti-slip disk is fixedly connected to the extrusion rod, and the end of the extrusion rod away from the anti-slip disk is fixedly connected to a card block, and the outer surface of the card block is slidably connected to the single bending frame.

[0008] In some embodiments, the main support plates are two rectangular plates, a solid bottom plate is fixedly connected to the lower surface of the rectangular plate, one of the rectangular plates has a circular hole on the outer surface, a reset rod is slidably connected to the inner surface of the circular hole, two square holes are provided on the outer surface of the rectangular plate, a pull-out rack is slidably connected to the inner surface of the square hole, and a locking plate is slidably connected to the inner surface of the square hole.

[0009] In some embodiments, the pullback disk is a circular disk, a reset rod is fixedly connected to the outer surface of the circular disk, a spring is fixedly connected to the outer surface of the circular disk close to the reset rod, the reset rod is slidably connected to the inner surface of the spring, and the main support plate is fixedly connected to the end of the spring away from the circular disk.

[0010] In some embodiments, the locking plate is a right-angle trapezoidal block, the inclined surface of the trapezoidal block is clamped with a locking plate, the outer surface of the trapezoidal block is fixedly connected to a pull-out frame, and the outer surface of the trapezoidal block is slidably connected to a main support plate.

[0011] In some embodiments, the locking plate is a rectangular plate, a pressure plate is fixedly connected to the outer surface of the rectangular plate away from the solid bottom plate, three circular holes are provided on the outer surface of the rectangular plate, and a guide slide rod is slidably connected to the inner surface of the circular hole.

[0012] In some embodiments, the storage plate is a rectangular plate, the outer surface of the rectangular plate close to the solid bottom plate is fixedly connected to the main support plate, the outer surface of the rectangular plate away from the main support plate is fixedly connected to a single bent frame, a rectangular hole is provided on the outer surface of the rectangular plate, a pressure slide plate is slidably connected to the inner surface of the rectangular hole, and a clamping block is slidably connected to the outer surface of the rectangular plate.

[0013] In some embodiments, the single bending frame is a rectangular plate, a storage plate is fixedly connected to the lower surface of the rectangular plate, three circular holes are provided on the outer surface of the rectangular plate, a squeezing rod is slidably connected to the inner surface of the circular hole, a square plate is fixedly connected to the outer surface of the rectangular plate away from the storage plate, and a blocking block is slidably connected to the outer surface of the square plate close to the storage plate.

[0014] In some embodiments, the object-blocking block is a right-angled trapezoidal block, a single bent frame is slidably connected to the outer surface of the right-angled trapezoidal block, and an extrusion rod is fixedly connected to the outer surface of the right-angled ladder.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a photovoltaic DC fuse base having the following features:

[0017] Beneficial effects:

[0018] 1. The photovoltaic DC fuse base aligns the fuse with the inclined surface of the card block and presses it downward, so that the fuse pushes the card block to both sides, so that the card block pushes the anti-drop plate outward through the squeezing rod during the outward sliding process, and at the same time, the pressing slide plate is pressed downward during the downward pressing of the fuse, so that the locking card plate pushes the inclined surface of the locking plate, so that when the locking card plate contacts the solid bottom plate, the locking plate is pulled back by the pulling back plate, so that the locking plate clamps the upper surface of the locking card plate, and at the same time, the pressure spring drives the card block to push the fuse, so as to fix the fuse in a self-locking manner.

[0019] 2. The photovoltaic DC fuse base pulls the pull-out frame toward the outside of the device, so that the pull-out frame pulls the locking plate to slide, and then the locking plate gradually separates from the locking card plate during the sliding process, so that the locking card plate is no longer squeezed, and then the buffer spring fixed outside the locking card plate pulls the locking card plate upward, so that the locking card plate pushes the pressing slide plate to move upward, and then the pressing slide plate automatically pushes out the fuse in the device to avoid electric shock caused by manual contact with the fuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the single curved frame structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the card block of the utility model;

[0022] Figure 3This is a schematic diagram of the structure of the storage plate of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the pull-out rack of the utility model.

[0024] In the figure:

[0025] Solid bottom plate 1; main support plate 2; pull-out frame 3; reset rod 4; pull-back plate 5; locking plate 6; locking card plate 7; guide slide rod 8; buffer spring 9; pressure slide plate 10; storage plate 11; single bending frame 12; squeezing rod 13; pressure spring 14; anti-slip disk 15; card block 16. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0027] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0028] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0030] When in use, the photovoltaic DC fuse base can fix the fuse placed therein to prevent the fuse from being broken due to excessive pulling of the cable connected to it. When the fuse needs to be taken out, the fuse can be automatically ejected, without inserting a tool deep into the base to cause damage to the base device.

[0031] In the related art, if the fuse base is not well fixed, the fuse may be pulled or vibrated, causing the internal cables to twist, which may cause cable damage. When you want to remove the fuse, you may need to insert a tool into the base to clamp it, which may cause damage to some devices of the base.

[0032] In order to solve the problems in the related art to a certain extent, the embodiment of the present application provides a photovoltaic DC fuse base. When it is needed, the fuse only needs to be aligned with the inclined surface of the card block 16 and press it downward, so that the fuse pushes the card block 16 to both sides, and then the card block 16 pushes the anti-slip disk 15 outward through the squeezing rod 13 during the outward sliding process, so that the anti-slip disk 15 pulls the pressure spring 14, and at the same time, the pressing slide plate 10 is pressed downward during the downward pressing of the fuse, so that the locking card plate 7 pushes the inclined surface of the locking plate 6, so that the locking plate 6 slides outward of the device, so that when the locking card plate 7 contacts the solid bottom plate 1, the locking plate 6 is pulled back by the pulling back plate 5, so that the locking plate 6 clamps the upper surface of the locking card plate 7, and at the same time, the pressure spring 14 drives the card block 16 to push the fuse, thereby fixing the fuse.

[0033] The present application is described below with reference to the accompanying drawings and specific embodiments:

[0034] Combination Figure 1-Figure 4The embodiment of the present application provides a photovoltaic DC fuse base, including a solid bottom plate 1, the upper surface of the solid bottom plate 1 is fixedly connected to a main support plate 2, the inner surface of the main support plate 2 is slidably connected to a pull-out frame 3, the outer surface of the pull-out frame 3 close to the main support plate 2 is fixedly connected to a reset rod 4, the outer circumferential surface of the reset rod 4 is slidably connected to the main support plate 2, and the reset rod 4 is fixedly connected to a pull-back disk 5 at one end away from the pull-out frame 3, the outer surface of the pull-out frame 3 close to the main support plate 2 is fixedly connected to a locking plate 6, the outer surface of the locking plate 6 is slidably connected to the main support plate 2, the outer surface of the locking plate 6 is away from the solid bottom plate 1 The outer surface of the side of the fixed bottom plate 1 is clamped with a locking card plate 7, the inner surface of the locking card plate 7 is slidably connected to a guide sliding rod 8, the lower end of the guide sliding rod 8 is fixedly connected to the solid bottom plate 1, and the outer circumferential surface of the guide sliding rod 8 is slidably connected to a buffer spring 9, the buffer spring 9 is fixedly connected to the lock card plate 7 at one end close to the solid bottom plate 1, and the lock card plate 7 is away from the outer surface of the solid bottom plate 1 A pressure slide plate 10 is fixedly connected to the surface, and a storage plate 11 is slidably connected to the outer surface of the pressure slide plate 10, and the outer surface of the storage plate 11 close to the solid bottom plate 1 is fixedly connected to the main support plate 2, and the outer surface of the storage plate 11 close to the solid bottom plate 1 is fixedly connected to the guide slide rod 8, and the outer surface of the storage plate 11 close to the solid bottom plate 1 is fixedly connected to the buffer spring 9, and the outer surface of the storage plate 11 away from the main support plate 2 is fixedly connected to the single bending frame 12, and the inner surface of the single bending frame 12 is slidably connected to the extrusion rod 13, and the outer circumferential surface of the extrusion rod 13 is slidably connected to a pressure spring 14, one end of the pressure spring 14 is fixedly connected to the single bending frame 12, and the end of the pressure spring 14 away from the single bending frame 12 is fixedly connected to an anti-slip disk 15, and the outer surface of the anti-slip disk 15 is fixedly connected to the extrusion rod 13, and the end of the extrusion rod 13 away from the anti-slip disk 15 is fixedly connected to a clamping block 16, and the outer surface of the clamping block 16 is slidably connected to the single bending frame 12.

[0035] Depend on Figure 3-Figure 4 It can be seen that when the fuse needs to be taken out, it is only necessary to pull the pull-out frame 3 toward the outside of the device, so that the pull-out frame 3 pulls the locking plate 6 to slide, and then the locking plate 6 gradually separates from the locking card plate 7 during the sliding process, so that the locking card plate 7 is no longer squeezed, and then the buffer spring 9 fixed outside the locking card plate 7 pulls the locking card plate 7 upward, so that the locking card plate 7 pushes the pressing slide plate 10 to move upward, and then the pressing slide plate 10 automatically pushes out the fuse in the device to avoid electric shock caused by manual contact with the fuse.

[0036] In some embodiments, the main support plate 2 is two rectangular plates, a solid bottom plate 1 is fixedly connected to the lower surface of the rectangular plate, one of the rectangular plates has a circular hole on the outer surface, a reset rod 4 is slidably connected to the inner surface of the circular hole, two square holes are provided on the outer surface of the rectangular plate, a pull-out frame 3 is slidably connected to the inner surface of the square hole, and a locking plate 6 is slidably connected to the inner surface of the square hole.

[0037] The main support plate 2 supports the pull-out frame 3, the reset rod 4 and the locking plate 6 and provides a necessary working environment for them.

[0038] In some embodiments, the pullback disk 5 is a circular disk, the outer surface of the circular disk is fixedly connected to a reset rod 4, the outer surface of the circular disk close to the reset rod 4 is fixedly connected to a spring, the inner surface of the spring is slidably connected to the reset rod 4, and the end of the spring away from the circular disk is fixedly connected to the main support plate 2.

[0039] The spring portion of the pull-back disc 5 is pulled in the reverse direction, so that the reset rod 4 pushes the drawer frame 3 to reset.

[0040] In some embodiments, the locking block 6 is a right-angled trapezoidal block, the inclined surface of the trapezoidal block is clamped with a locking plate 7, the outer surface of the trapezoidal block is fixedly connected to the pull-out frame 3, and the outer surface of the trapezoidal block is slidably connected to the main support plate 2.

[0041] The locking plate 7 is locked by the locking plate 6 after the sliding is completed.

[0042] In some embodiments, the locking plate 7 is a rectangular plate, and a pressing plate 10 is fixedly connected to the outer surface of the rectangular plate away from the solid base plate 1. Three circular holes are provided on the outer surface of the rectangular plate, and a guide slide rod 8 is slidably connected to the inner surface of the circular hole.

[0043] The locking plate 7 is released by the locking plate 6 , so that the locking plate 7 is pulled up by the buffer spring 9 , thereby driving the pressing plate 10 thereon to slide upward.

[0044] In some embodiments, the storage plate 11 is a rectangular plate, and the outer surface of the rectangular plate close to the solid bottom plate 1 is fixedly connected to the main support plate 2, and the outer surface of the rectangular plate away from the main support plate 2 is fixedly connected to a single bent frame 12. A rectangular hole is provided on the outer surface of the rectangular plate, and a pressing slide plate 10 is slidably connected to the inner surface of the rectangular hole, and a blocking block 16 is slidably connected to the outer surface of the rectangular plate.

[0045] The fuse is placed and fixed by the placement plate 11 .

[0046] In some embodiments, the single curved frame 12 is a rectangular plate, the lower surface of which is fixedly connected to a storage plate 11, the outer surface of the rectangular plate is provided with three circular holes, the inner surface of the circular holes is slidably connected to a squeezing rod 13, the outer surface of the rectangular plate away from the storage plate 11 is fixedly connected to a square plate, and the outer surface of the square plate close to the storage plate 11 is slidably connected to a blocking block 16.

[0047] While fixing some devices through the single bent frame 12, necessary working environment is provided for some devices.

[0048] In some embodiments, the object-blocking block 16 is a right-angled trapezoidal block, the outer surface of which is slidably connected to the single bending frame 12, and the outer surface of which is fixedly connected to the squeezing rod 13.

[0049] The fuse is clamped by the clamping block 16 so as to be fixed.

[0050] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0051] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0052] 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 photovoltaic DC fuse base, comprising a fixed base plate (1), characterized in that: The upper surface of the fixed bottom plate (1) is fixedly connected to the main support plate (2), the inner surface of the main support plate (2) is slidably connected to the pull-out frame (3), the outer surface of the pull-out frame (3) close to the main support plate (2) is fixedly connected to a reset rod (4), the outer circumferential surface of the reset rod (4) is slidably connected to the main support plate (2), the end of the reset rod (4) away from the pull-out frame (3) is fixedly connected to a pull-back plate (5), the outer surface of the pull-out frame (3) close to the main support plate (2) is fixedly connected to a locking plate (6), the outer surface of the locking plate (6) The main support plate (2) is slidably connected to the surface, a locking plate (7) is clamped on the outer surface of the locking plate (6) away from the solid bottom plate (1), a guide slide rod (8) is slidably connected to the inner surface of the locking plate (7), the lower end of the guide slide rod (8) is fixedly connected to the solid bottom plate (1), a buffer spring (9) is slidably connected to the outer circumference of the guide slide rod (8), one end of the buffer spring (9) close to the solid bottom plate (1) is fixedly connected to the locking plate (7), and a pressing plate (10) is fixedly connected to the outer surface of the locking plate (7) away from the solid bottom plate (1). The outer surface of the pressing slide plate (10) is slidably connected to a storage plate (11); the outer surface of the storage plate (11) close to the solid bottom plate (1) is fixedly connected to the main support plate (2); the outer surface of the storage plate (11) close to the solid bottom plate (1) is fixedly connected to a guide slide rod (8); the outer surface of the storage plate (11) close to the solid bottom plate (1) is fixedly connected to a buffer spring (9); the outer surface of the storage plate (11) away from the main support plate (2) is fixedly connected to a single curved frame (12); the inner surface of the single curved frame (12) is slidably connected to the storage plate (11); A squeezing rod (13) is connected, and a pressure spring (14) is slidably connected to the outer circumference of the squeezing rod (13), one end of the pressure spring (14) is fixedly connected to the single bending frame (12), and the end of the pressure spring (14) away from the single bending frame (12) is fixedly connected to an anti-slip disk (15), the outer surface of the anti-slip disk (15) is fixedly connected to the squeezing rod (13), and the end of the squeezing rod (13) away from the anti-slip disk (15) is fixedly connected to a blocking block (16), and the outer surface of the blocking block (16) is slidably connected to the single bending frame (12).

2. A photovoltaic DC fuse base according to claim 1, characterized in that: The main support plates (2) are two rectangular plates, a fixed bottom plate (1) is fixedly connected to the lower surface of the rectangular plate, a circular hole is provided on the outer surface of one of the rectangular plates, a reset rod (4) is slidably connected to the inner surface of the circular hole, two square holes are provided on the outer surface of the rectangular plate, a pull-out frame (3) is slidably connected to the inner surface of the square hole, and a locking plate (6) is slidably connected to the inner surface of the square hole.

3. A photovoltaic DC fuse base according to claim 1, characterized in that: The pull-back disk (5) is a circular disk, the outer surface of which is fixedly connected to a reset rod (4), the outer surface of the circular disk close to the reset rod (4) is fixedly connected to a spring, the inner surface of the spring is slidably connected to the reset rod (4), and the end of the spring away from the circular disk is fixedly connected to the main support plate (2).

4. A photovoltaic DC fuse base according to claim 1, characterized in that: The locking plate (6) is a right-angled trapezoidal block, the inclined surface of the trapezoidal block is clamped with a locking plate (7), the outer surface of the trapezoidal block is fixedly connected to a pull-out frame (3), and the outer surface of the trapezoidal block is slidably connected to a main support plate (2).

5. A photovoltaic DC fuse base according to claim 1, characterized in that: The locking plate (7) is a rectangular plate, the outer surface of which is away from the fixed bottom plate (1) and is fixedly connected to a pressing plate (10), the outer surface of which is provided with three circular holes, the inner surfaces of which are slidably connected to guide slide rods (8).

6. A photovoltaic DC fuse base according to claim 1, characterized in that: The storage plate (11) is a rectangular plate, the outer surface of the rectangular plate close to the fixed bottom plate (1) is fixedly connected to the main support plate (2), the outer surface of the rectangular plate away from the main support plate (2) is fixedly connected to the single curved frame (12), the outer surface of the rectangular plate is provided with a rectangular hole, the inner surface of the rectangular hole is slidably connected to the pressing plate (10), and the outer surface of the rectangular plate is slidably connected to the object blocking block (16).

7. A photovoltaic DC fuse base according to claim 1, characterized in that: The single bending frame (12) is a rectangular plate, the lower surface of which is fixedly connected to a storage plate (11), the outer surface of the rectangular plate is provided with three circular holes, the inner surfaces of the circular holes are slidably connected to a squeezing rod (13), the outer surface of the rectangular plate away from the storage plate (11) is fixedly connected to a square plate, and the outer surface of the square plate close to the storage plate (11) is slidably connected to a clamping block (16).

8. A photovoltaic DC fuse base according to claim 1, characterized in that: The object-blocking block (16) is a right-angled trapezoidal block, the outer surface of which is slidably connected to a single bent frame (12), and the outer surface of which is fixedly connected to an extrusion rod (13).

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