Photovoltaic transition resistance monitoring device

Abstract

The utility model discloses a photovoltaic transition resistance monitoring device. The photovoltaic transition resistance monitoring device comprises a bottom shell, the sealing assembly is arranged at the top of the bottom shell; the top shell is arranged at the top of the sealing assembly; the detection equipment is arranged in the bottom shell; and the detection line is arranged on one side of the detection equipment. According to the photovoltaic transition resistance monitoring device, the detection line can be connected with the detection head through the interface, the detection line can penetrate through the installation sleeve, the adjusting discs on the two sides can be rotated, so that the adjusting discs can drive the self-locking screw to rotate, the self-locking screw can rotate in the threaded sleeve, and the detection head can be connected with the detection line through the installation sleeve. According to the device, a self-locking screw can push a moving plate to move, the moving plate can support a clamping plate through a spring, the clamping plate can clamp a detection line, protection on the detection line can be improved, the pulling and releasing function of the detection line can be improved, and the daily use requirements of people are met.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic transition resistance detection technology, specifically a photovoltaic transition resistance monitoring device. Background Technology

[0002] The main purpose of photovoltaic resistance testing is to detect potential resistance anomalies in the photovoltaic system, such as excessively high or low resistance. These anomalies may affect the power generation efficiency and safety of the photovoltaic system. Through testing, these problems can be detected and addressed in a timely manner to ensure the stable operation of the photovoltaic system. Photovoltaic resistance testing usually requires the use of professional resistance testing instruments, such as photovoltaic resistance testers. These instruments can accurately measure the resistance value in the photovoltaic system and have data storage and transmission functions to facilitate subsequent data analysis and processing.

[0003] In existing photovoltaic transition resistance monitoring devices, the protection requirements of the detection lines are not fully considered during the design, resulting in the detection lines being exposed and easily pulled by external forces, which can easily cause them to break. Therefore, we need a photovoltaic transition resistance monitoring device. Utility Model Content

[0004] The purpose of this invention is to provide a photovoltaic transition resistance monitoring device to solve the existing problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a photovoltaic transition resistance monitoring device, comprising a bottom shell; a sealing assembly disposed on the top of the bottom shell; a top shell disposed on the top of the sealing assembly; a detection device disposed inside the bottom shell; a detection line disposed on one side of the detection device; and a positioning assembly disposed outside the detection line; the positioning assembly includes a mounting sleeve, a threaded sleeve fixedly connected to one side of the mounting sleeve, a self-locking screw threadedly connected to the inside of the threaded sleeve, an adjusting disc fixedly connected to one end of the self-locking screw, a movable plate rotatably connected to one end of the self-locking screw, a spring fixedly connected to one side of the movable plate, and a retaining plate fixedly connected to one end of the spring.

[0006] Preferably, the sealing assembly includes a first sealing gasket, a second sealing gasket is fixedly connected inside the bottom shell, a fixing bolt is provided inside the top shell, and a bolt groove is provided on the top of the bottom shell.

[0007] Preferably, the bottom shell and the top shell form a sealing structure through the second sealing gasket, and the shape and size of the first sealing gasket match the shape and size of the second sealing gasket, and the top of the first sealing gasket and the bottom of the second sealing gasket are fitted together.

[0008] Preferably, the top shell is fixed to the bottom shell by fixing bolts, and one end of the fixing bolts penetrates the top shell and extends into the bolt groove for connection.

[0009] Preferably, the mounting sleeve forms a threaded structure with the self-locking screw through a threaded sleeve, and the inner diameter of the threaded sleeve matches the outer diameter of the self-locking screw, and the inner wall of the threaded sleeve is fitted to the outer wall of the self-locking screw.

[0010] Preferably, the adjusting disc forms a movable structure with the moving plate via a self-locking screw, and one end of the self-locking screw is fixed to one side of the adjusting disc, while the other end of the self-locking screw is movably connected to one side of the moving plate.

[0011] Preferably, the movable plate forms an elastic structure with a spring and a clamping plate, and the spring is disposed between the movable plate and the clamping plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are: this photovoltaic transition resistance monitoring device,

[0013] (1) The detection line can be connected to the detection head through the interface. The installation sleeve can be used to pass through the detection line. The adjustment discs on both sides can be rotated to drive the self-locking screw to rotate. The self-locking screw can rotate in the threaded sleeve and push the moving plate to move. The moving plate can be supported by the spring on the clamping plate and the clamping plate can hold the detection line, thereby improving the protection of the detection line and the anti-pull function of the detection line, meeting people's daily use needs.

[0014] (2) The first sealing gasket and the second sealing gasket are provided, which allows the top shell to fit together with the second sealing gasket in the bottom shell by relying on the first sealing gasket, and can improve the sealing performance of the connection between the first sealing gasket and the second sealing gasket. In addition, the top shell and the bottom shell can be installed and fixed together by fixing bolts, which can enhance the connection stability between the bottom shell and the top shell and meet people's daily use needs. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0016] Figure 2 This is a schematic diagram of the top shell and fixing bolts of this utility model;

[0017] Figure 3 This is a schematic diagram of the bottom shell and detection line structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the detection line and card plate structure of this utility model.

[0019] In the diagram: 1. Bottom shell; 2. Sealing assembly; 201. First sealing gasket; 202. Second sealing gasket; 203. Fixing bolt; 204. Bolt groove; 3. Top shell; 4. Testing equipment; 5. Testing line; 6. Positioning assembly; 601. Mounting sleeve; 602. Threaded sleeve; 603. Adjusting disc; 604. Self-locking screw; 605. Moving plate; 606. Spring; 607. Clamping plate. Detailed Implementation

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0021] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0022] This utility model provides a photovoltaic transition resistance monitoring device, such as... Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the device includes a bottom shell 1; a sealing assembly 2 located on top of the bottom shell 1; a top shell 3 located on top of the sealing assembly 2; and a detection device 4 located inside the bottom shell 1. The detection device 4 includes a measuring unit, a data processing unit, and a display unit. A certain voltage or current is applied to both ends of the resistor being measured via the measuring unit, and the current / voltage is measured. The measuring unit measures the change in current or voltage after the applied voltage or current is applied. Based on Ohm's law, the resistance value can be calculated from the measured current or voltage value. The data processing unit compares the calculated resistance value with a preset normal range. The system compares the resistance to determine if the transition resistance is in a normal state; a detection line 5 is located on one side of the detection device 4; a positioning component 6 is located outside the detection line 5; the positioning component 6 includes a mounting sleeve 601, a threaded sleeve 602 is fixedly connected to one side of the mounting sleeve 601, a self-locking screw 604 is threadedly connected inside the threaded sleeve 602, an adjusting plate 603 is fixedly connected to one end of the self-locking screw 604, a moving plate 605 is rotatably connected to one end of the self-locking screw 604, a spring 606 is fixedly connected to one side of the moving plate 605, and a clamping plate 607 is fixedly connected to one end of the spring 606.

[0023] Specifically, in this embodiment, the solution mainly includes a detection line 5 that can be connected to the detection head via an interface, an installation sleeve 601 for passing through the detection line 5, and the ability to rotate the adjustment discs 603 on both sides to drive the self-locking screw 604 to rotate. The self-locking screw 604 can rotate within the threaded sleeve 602, which in turn pushes the moving plate 605 to move. The moving plate 605 can be supported by the clamping plate 607 by the spring 606, and the clamping plate 607 can hold the detection line 5, thereby improving the protection of the detection line 5 and enhancing its resistance to pulling, thus meeting people's daily use needs.

[0024] In a further preferred embodiment of this utility model, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the sealing assembly 2 includes a first sealing gasket 201, a second sealing gasket 202 is fixedly connected inside the bottom shell 1, a fixing bolt 203 is provided inside the top shell 3, and a bolt groove 204 is provided on the top of the bottom shell 1. The bottom shell 1 and the top shell 3 form a sealing structure through the second sealing gasket 202, and the shape and size of the first sealing gasket 201 match the shape and size of the second sealing gasket 202, and the top of the first sealing gasket 201 is fitted to the bottom of the second sealing gasket 202.

[0025] In this embodiment, by setting the first sealing gasket 201 and the second sealing gasket 202, the top shell 3 can be fastened and installed by relying on the first sealing gasket 201 at the bottom to adhere to the second sealing gasket 202 inside the bottom shell 1, thereby improving the connection and sealing performance between the bottom shell 1 and the top shell 3 and meeting people's daily use needs.

[0026] In a further preferred embodiment of this utility model, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the top shell 3 is fixed to the bottom shell 1 by fixing bolts 203, and one end of the fixing bolts 203 passes through the top shell 3 and extends into the bolt groove 204 for connection.

[0027] In this embodiment, the setting of the fixing bolt 203 is convenient, which allows the fixing bolt 203 to install and fix the top shell 3 and the bottom shell 1 together, thereby enhancing the connection stability between the bottom shell 1 and the top shell 3.

[0028] In a further preferred embodiment of this utility model, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the mounting sleeve 601 forms a threaded structure with the self-locking screw 604 through the threaded sleeve 602, and the inner diameter of the threaded sleeve 602 matches the outer diameter of the self-locking screw 604. The inner wall of the threaded sleeve 602 is fitted to the outer wall of the self-locking screw 604. The adjusting plate 603 forms a movable structure with the moving plate 605 through the self-locking screw 604. One end of the self-locking screw 604 is fixed to one side of the adjusting plate 603, and the other end of the self-locking screw 604 is movably connected to one side of the moving plate 605.

[0029] In this embodiment, by setting the threaded sleeve 602, the adjustment plate 603 can be rotated to drive the self-locking screw 604 to rotate, so that the self-locking screw 604 can rotate and extend within the threaded sleeve 602, and so that the self-locking screw 604 can push the moving plate 605 to move.

[0030] In a further preferred embodiment of this utility model, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the movable plate 605 forms an elastic structure with the clamping plate 607 via the spring 606, and the spring 606 is disposed between the movable plate 605 and the clamping plate 607.

[0031] In this embodiment, the detection line 5 can be locked and positioned by setting the locking plate 607, so that the moving plate 605 can be pushed by the locking plate 607 to fasten and install the detection line 5 under the support of the spring 606.

[0032] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0033] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0034] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0035] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A photovoltaic transition resistance monitoring device, characterized in that: Including the bottom shell (1); A sealing assembly (2) is provided on the top of the bottom shell (1); A top shell (3) is provided on top of the sealing assembly (2); The detection device (4) is located inside the bottom shell (1); A detection line (5) is provided on one side of the detection device (4); A positioning component (6) is provided outside the detection line (5); the positioning component (6) includes a mounting sleeve (601), a threaded sleeve (602) is fixedly connected to one side of the mounting sleeve (601), a self-locking screw (604) is threadedly connected inside the threaded sleeve (602), an adjusting plate (603) is fixedly connected to one end of the self-locking screw (604), a moving plate (605) is rotatably connected to one end of the self-locking screw (604), a spring (606) is fixedly connected to one side of the moving plate (605), and a clamping plate (607) is fixedly connected to one end of the spring (606).

2. The photovoltaic transition resistance monitoring device according to claim 1, characterized in that: The sealing assembly (2) includes a first sealing gasket (201), a second sealing gasket (202) is fixedly connected inside the bottom shell (1), a fixing bolt (203) is provided inside the top shell (3), and a bolt groove (204) is provided on the top of the bottom shell (1).

3. The photovoltaic transition resistance monitoring device according to claim 2, characterized in that: The bottom shell (1) forms a sealing structure with the top shell (3) through the second sealing gasket (202), and the shape and size of the first sealing gasket (201) match the shape and size of the second sealing gasket (202), and the top of the first sealing gasket (201) and the bottom of the second sealing gasket (202) are fitted together.

4. The photovoltaic transition resistance monitoring device according to claim 2, characterized in that: The top shell (3) is fixed to the bottom shell (1) by a fixing bolt (203), and one end of the fixing bolt (203) passes through the top shell (3) and extends into the bolt groove (204) for connection.

5. The photovoltaic transition resistance monitoring device according to claim 1, characterized in that: The mounting sleeve (601) forms a threaded structure with the self-locking screw (604) through the threaded sleeve (602), and the inner diameter of the threaded sleeve (602) matches the outer diameter of the self-locking screw (604), and the inner wall of the threaded sleeve (602) is fitted to the outer wall of the self-locking screw (604).

6. The photovoltaic transition resistance monitoring device according to claim 1, characterized in that: The adjusting plate (603) forms a movable structure with the moving plate (605) through the self-locking screw (604), and one end of the self-locking screw (604) is fixed to one side of the adjusting plate (603), and the other end of the self-locking screw (604) is movably connected to one side of the moving plate (605).

7. A photovoltaic transition resistance monitoring device according to claim 1, characterized in that: The movable plate (605) forms an elastic structure with the clamping plate (607) via a spring (606), and the spring (606) is disposed between the movable plate (605) and the clamping plate (607).

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