Photovoltaic micro-electrical fault diagnosis device

Abstract

The utility model relates to a photovoltaic micro-electric fault diagnosis device, which belongs to the technical field of photovoltaic micro-power stations and comprises a mounting rack, and a temperature diagnosis device is arranged in the mounting rack. The temperature diagnosis device comprises three fixing plates fixedly connected to the interior of the mounting frame, a driving motor fixedly installed on the back portions of the fixing plates, a rotating shaft fixedly connected to the output end of the driving motor, a rotating disc fixedly connected to the side, away from the driving motor, of the rotating shaft, and a plurality of protruding rods fixedly connected to the surface of the rotating disc. The straight toothed plate is connected to the outer side of the convex rod in a meshed mode, and the two connecting blocks are fixedly connected to the side edge of the straight toothed plate. According to the photovoltaic micro-electric fault diagnosis device, the rotating disc rotates the convex rod to be meshed with the straight toothed plate to drive the connecting block to transversely move in a reciprocating mode, then the motor drives the movable block to drive the temperature detector to vertically move in a reciprocating mode, and therefore real-time temperature detection of different positions of a photovoltaic micro-power station is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic micro power station technical field, concretely is a photovoltaic micro power fault diagnosis device. BACKGROUND

[0002] The photovoltaic micro power fault diagnosis device collects current, voltage, power and other operating parameters in the photovoltaic power station, monitors the state of the power system in real time, can quickly locate the fault point when detecting the fault or abnormal condition, and sends early warning or alarm information, helps the operation and maintenance personnel to take measures in time to repair, so as to guarantee the stable operation and power generation efficiency of the photovoltaic power station.

[0003] The existing operation and maintenance personnel will use a thermal imager and other equipment to measure the temperature of the key equipment of the power station system according to the regular inspection plan, so as to evaluate the operation state of the power station, and further take preventive maintenance measures to eliminate the hidden danger of the power station.

[0004] However, the maintenance personnel can only check regularly, and if a hidden danger occurs during the non-temperature measurement period, it cannot be found in time, and the manual detection time is long and cannot accurately achieve temperature measurement and judgment at different positions, so a photovoltaic micro power fault diagnosis device is proposed to solve the problems in the above. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a photovoltaic micro power fault diagnosis device, which has the advantages of automatically detecting the temperature of different positions of different photovoltaic micro power stations in real time, and solves the problems that the maintenance personnel can only check regularly, and if a hidden danger occurs during the non-temperature measurement period, it cannot be found in time, and the manual detection time is long and cannot accurately achieve temperature measurement and judgment at different positions.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a photovoltaic micro power fault diagnosis device, comprising a mounting frame, a temperature diagnosis device is arranged in the inside of the mounting frame;

[0007] The temperature diagnosis device comprises three fixed plates fixedly connected in the inside of the mounting frame, a drive motor fixedly installed at the back of the fixed plate, a rotating shaft fixedly connected at the output end of the drive motor, a rotating disc fixedly connected at the side of the rotating shaft away from the drive motor, a plurality of convex rods fixedly connected on the surface of the rotating disc, a straight toothed plate meshed connected on the outside of the convex rod, two connecting blocks fixedly connected on the side of the straight toothed plate, a lower fixed block fixedly connected on the front end face of the connecting block, a motor fixedly installed on the front end face of the fixed block, a first connecting rod fixedly connected at the output end of the motor, a second connecting rod sleeved on one end of the upper side of the first connecting rod, a third connecting rod sleeved on one end of the upper side of the second connecting rod, a movable block sleeved on one end of the upper side of the third connecting rod, and a temperature detector fixedly installed on the front end face of the movable block.

[0008] Further, the side of the movable block is provided with a limiting assembly, the limiting assembly comprises two sliding sleeves fixedly connected to the side of the movable block and a sliding rod slidingly connected to the inside of the sliding sleeves.

[0009] Further, the side of the mounting frame is fixedly connected with three groups of positioning holes, and the three groups of positioning holes are arranged in pairs.

[0010] Further, the rotating shaft penetrates through the fixed plates and extends to the outside of the fixed plates, and the three fixed plates are vertically and equidistantly arranged.

[0011] Further, the spacing between the plurality of convex rods matches the spacing between the straight-toothed plates.

[0012] Further, the end of the straight-toothed plate is fixedly connected with two limiting blocks, and the two limiting blocks are in a tapered structure.

[0013] Further, the surface of the fixed plate is provided with two sliding grooves.

[0014] Further, the inside of the connecting block is slidingly connected in the sliding groove.

[0015] Compared with the prior art, the photovoltaic micro-electric fault diagnosis device has the following beneficial effects:

[0016] 1. The photovoltaic micro-electric fault diagnosis device, by rotating the convex rod engaging the straight-toothed plate to drive the connecting block to move transversely and reciprocally, and then using the motor to drive the movable block to drive the temperature detector to move up and down reciprocally, the real-time temperature detection of different positions of the photovoltaic micro-electric station is satisfied.

[0017] 2. The photovoltaic micro-electric fault diagnosis device, by sliding the connecting block on the front end face of the fixed plate, the sliding groove is provided to limit the connecting block, so as to avoid sliding off from the front end face of the fixed plate, and solves the problem that the maintenance personnel can only check regularly, and if hidden dangers occur during non-temperature measurement, they cannot be found in time, and the manual detection time is long and cannot accurately achieve temperature measurement and judgment at different positions. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a structural schematic view of the utility model;

[0019] Fig. 2 It is a structural schematic view of the temperature diagnosis device of the utility model;

[0020] Fig. 3 It is a structural schematic view of the fixed plate of the utility model;

[0021] Fig. 4 It is a structural perspective view of the driving motor of the utility model.

[0022] In the figure: 1 mounting frame, 2 temperature diagnostic device, 3 fixed plate, 4 rotating disc, 5 convex rod, 6 straight-toothed plate, 7 connecting block, 8 fixed block, 9 motor, 10 first connecting rod, 11 second connecting rod, 12 third connecting rod, 13 movable block, 14 temperature detector, 15 sliding sleeve, 16 sliding rod, 17 sliding groove, 18 driving motor, 19 rotating shaft. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment one:

[0025] Please refer to Figs. 1 to 4 The photovoltaic microelectric fault diagnosis device in the embodiment comprises a mounting frame 1, and a temperature diagnostic device 2 is arranged in the inside of the mounting frame 1. The temperature diagnostic device 2 comprises three fixed plates 3 fixedly connected in the inside of the mounting frame 1, a driving motor 18 fixedly installed at the back of the fixed plate 3, a rotating shaft 19 fixedly connected at the output end of the driving motor 18, a rotating disc 4 fixedly connected at the side of the rotating shaft 19 away from the driving motor 18, a plurality of convex rods 5 fixedly connected at the surface of the rotating disc 4, a straight-toothed plate 6 meshingly connected at the outer side of the convex rod 5, two connecting blocks 7 fixedly connected at the side edges of the straight-toothed plate 6, a fixed block 8 fixedly connected at the lower side of the front end face of the connecting block 7, a motor 9 fixedly installed at the front end face of the fixed block 8, a first connecting rod 10 fixedly connected at the output end of the motor 9, a second connecting rod 11 sleeved at one end of the upper side of the first connecting rod 10, a third connecting rod 12 sleeved at one end of the upper side of the second connecting rod 11, a movable block 13 sleeved at one end of the upper side of the third connecting rod 12, and a temperature detector 14 fixedly installed at the front end face of the movable block 13.

[0026] The side edge of the movable block 13 is provided with a limiting assembly, the limiting assembly comprises two sliding sleeves 15 fixedly connected at the side edge of the movable block 13 and a sliding rod 16 slidingly connected in the inside of the sliding sleeve 15, the side edge of the mounting frame 1 is fixedly connected with three groups of positioning holes, the three groups of positioning holes are in pairs, the rotating shaft 19 penetrates through the fixed plate 3 and extends to the outside thereof, the three fixed plates 3 are vertically and equidistantly arranged, the spacing between the plurality of convex rods 5 matches the spacing between the straight-toothed plates 6, the end portion of the straight-toothed plate 6 is fixedly connected with two limiting blocks, and the two limiting blocks are in a conical structure.

[0027] Embodiment two:

[0028] Please refer to Figs. 1 to 3On the basis of the first embodiment, two sliding grooves 17 are formed on the surface of the fixed plate 3, and the inner part of the connecting block 7 is slidably connected in the sliding grooves 17.

[0029] By using the above technical scheme, when the connecting block 7 moves laterally at the front end surface of the fixed plate 3, it slides laterally in the sliding groove 17, thereby satisfying the limiting support function.

[0030] The working principle of the above embodiment is as follows:

[0031] The bolt holes on the side edges of the mounting frame 1 are fixedly installed at the diagnosis position of the photovoltaic micro power station, and then the three driving motors 18 are simultaneously started, the driving motor 18 drives the convex rod 5 of the rotating disc 4 to engage with the surface of the straight tooth plate 6 on one side of the fixed plate 3, pushes the connecting block 7 to move to one side at the front end surface of the fixed plate 3, and then the convex rod 5 is moved to the other straight tooth plate 6 to engage again, and the connecting block 7 is pushed to move to the other side, thereby satisfying the lateral reciprocating movement of the temperature detector 14 at the photovoltaic micro power station. During the movement, the motor 9 drives the movable block 13 to reciprocate up and down between the two sliding rods 16 through the first connecting rod 10, the second connecting rod 11 and the third connecting rod 12, changes the height of the temperature detector 14, and realizes the temperature detection of the temperature detector 14 at different positions of the photovoltaic micro power station.

[0032] The mounting method, connecting method or setting method disclosed in the embodiment are all common mechanical connection methods, as long as the beneficial effects can be achieved, and the electrical elements appearing in the embodiment are all electrically connected with the master controller and the power supply. The master controller can be a conventional known device such as a computer which plays a control role. The skilled in the art can realize the control of the electrical elements through simple programming, and the existing disclosed power connection technology also belongs to the common knowledge in the art. Therefore, the specific structure composition and working principle of the embodiment will not be described in detail.

[0033] It should be noted that, in this document, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic microelectric fault diagnostic device comprising a mounting rack (1), characterized in that: The inside of the mounting frame (1) is provided with a temperature diagnosis device (2); The temperature diagnosis device (2) comprises three fixed plates (3) fixedly connected in the inside of the mounting frame (1), a driving motor (18) fixedly installed at the back of the fixed plate (3), a rotating shaft (19) fixedly connected at the output end of the driving motor (18), a rotating disc (4) fixedly connected at the side of the rotating shaft (19) away from the driving motor (18), a plurality of convex rods (5) fixedly connected on the surface of the rotating disc (4), a straight toothed plate (6) engagedly connected at the outside of the convex rod (5), two connecting blocks (7) fixedly connected at the side edges of the straight toothed plate (6), a lower fixed block (8) fixedly connected at the front end surface of the connecting block (7), a motor (9) fixedly installed at the front end surface of the fixed block (8), a first connecting rod (10) fixedly connected at the output end of the motor (9), a second connecting rod (11) sleeved at one end on the upper side of the first connecting rod (10), a third connecting rod (12) sleeved at one end on the upper side of the second connecting rod (11), a movable block (13) sleeved at one end on the upper side of the third connecting rod (12), and a temperature detector (14) fixedly installed at the front end surface of the movable block (13).

2. The photovoltaic microelectric fault diagnosis device according to claim 1, characterized in that: The side edges of the movable block (13) are provided with a limiting assembly, the limiting assembly comprises two sliding sleeves (15) fixedly connected at the side edges of the movable block (13) and a sliding rod (16) slidingly connected in the inside of the sliding sleeve (15).

3. The photovoltaic microelectric fault diagnosis device according to claim 1, characterized in that: The side edges of the mounting frame (1) are fixedly connected with three groups of positioning holes, and the three groups of positioning holes are in pairs.

4. The photovoltaic microelectric fault diagnosis device according to claim 1, characterized in that: The rotating shaft (19) penetrates through the fixed plate (3) and extends to the outside thereof, and the three fixed plates (3) are vertically and equidistantly arranged.

5. The photovoltaic microelectric fault diagnosis device according to claim 1, characterized in that: The spacing between the plurality of convex rods (5) matches the spacing between the straight toothed plates (6).

6. The photovoltaic microelectric fault diagnostic device of claim 1, wherein: The end portions of the straight toothed plate (6) are fixedly connected with two limiting blocks, and the two limiting blocks are in a tapered structure.

7. The photovoltaic microelectric fault diagnosis device according to claim 1, characterized in that: The surface of the fixed plate (3) is provided with two sliding grooves (17).

8. The photovoltaic microelectric fault diagnostic device according to claim 7, characterized in that: The inside of the connecting block (7) is slidingly connected in the sliding groove (17).

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