Temperature monitoring and alarming device for photovoltaic combiner box

The photovoltaic combiner box temperature monitoring and alarm device monitors the temperature of the connection bar in real time and issues an alarm, solving the problem of overheating and fire hazards caused by loose wire connections and ensuring the safety of the photovoltaic system.

CN223581215UActive Publication Date: 2025-11-21ANHUI ZHONGWEI NEW MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520002754.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-11-21
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

When the wires are loosely connected, the contact area between the wires and the connector may overheat, posing a fire hazard.

Method used

A photovoltaic combiner box temperature monitoring and alarm device was designed, including a fixed box, combiner components, detection mechanism and support block. The device monitors the temperature of the connecting bar in real time through the detection block and temperature sensor, and alarms when the temperature exceeds the limit to prevent overheating and fire.

Benefits of technology

It enables real-time monitoring and alarm of the connection bar temperature, avoiding overheating and fire safety hazards caused by loose wire connections.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223581215U_ABST
    Figure CN223581215U_ABST
Patent Text Reader

Abstract

The utility model discloses a temperature monitoring alarm device for a photovoltaic combiner box, and relates to the technical field of photovoltaic combiner boxes. Comprising a fixing box, one side of the fixing box is open, and a plurality of connecting blocks are arranged in the fixing box; the current converging part is arranged in the fixed box and is used for converging the current; and the detection mechanism is arranged on the outer side of the confluence piece and used for detecting the temperature of the confluence piece, and the detection mechanism comprises a fixing piece and a detection block. According to the utility model, through the arrangement of the fixing piece, the installation block, the rotating clamp, the detection block, the rotating groove, the limiting block and the telescopic piece, the multi-position detection of the multiple connection bars is realized in the use process, so that the temperature change of the connection bars is rapidly detected in the use process, and the phenomenon that the temperature change of the connection bars is influenced when a wire is virtually connected and used is avoided. A contact part of a lead and a connecting bar can generate heat under the action of current, so that potential safety hazards of fire disasters exist.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic combiner box technical field, concretely relates to a photovoltaic combiner box temperature monitoring alarm device. BACKGROUND

[0002] The combiner box is a wiring device for ensuring the orderly connection and the current collection function of photovoltaic modules in the photovoltaic power generation system, which can ensure the photovoltaic system to be easily cut off the circuit during maintenance and inspection, reduce the range of power failure when the photovoltaic system fails, and can connect a certain number of photovoltaic cells of the same specification in series to form a photovoltaic string, and then connect several photovoltaic strings in parallel to the photovoltaic combiner box, and through the controller, the DC distribution cabinet, the photovoltaic inverter, the AC distribution cabinet, and the matched use, a complete photovoltaic power generation system is formed.

[0003] In the use process of the combiner box, wires are mostly used to connect between the connecting row and the photovoltaic panel, and there is a loose and virtual connection during the installation of the wires and the connecting row. When the wires are virtually connected, the contact part of the wires and the connecting row will heat under the action of the current, thereby existing a fire safety hazard. Therefore, the utility model provides a photovoltaic combiner box temperature monitoring alarm device. UTILITY MODEL CONTENTS

[0004] The utility model discloses a photovoltaic combiner box temperature monitoring alarm device.

[0005] The utility model discloses a photovoltaic combiner box temperature monitoring alarm device.

[0006] A photovoltaic combiner box temperature monitoring alarm device comprises:

[0007] The fixed box is open on one side, and the fixed box is internally provided with connecting blocks.

[0008] The current is gathered.

[0009] The detection mechanism is arranged on the outside of the current collecting part and is used for detecting the temperature of the current collecting part.

[0010] Further, the fixed box is externally provided with a rotating plate, and the fixed box is internally provided with mounting strips connected with the connecting blocks.

[0011] Further, the current collector comprises a plurality of connecting rows, the connecting rows are provided with a plurality of supporting blocks relative to the fixed box side, and the supporting blocks are connected with the fixed box, and the outer side of the connecting rows is provided with a plurality of connecting lines connected with the connecting blocks.

[0012] Further, the fixing member comprises a plurality of mounting blocks connected with the fixed box, and the mounting blocks are arranged directly below the connecting rows, the mounting blocks are provided with rotating grooves relative to the connecting row side, the rotating grooves are internally provided with rotating clamps, the outer side of the rotating clamps is further provided with telescopic members connected with the rotating clamps and the mounting blocks, and the rotating clamps are provided with connecting grooves relative to the opposite side.

[0013] Further, the detection blocks are provided with limiting blocks at both ends, and the limiting blocks are matched with the connecting grooves, and the detection blocks are further provided with contact blocks relative to the connecting row side, and the contact blocks abut against the connecting rows.

[0014] Further, the supporting blocks are made of insulating materials.

[0015] The utility model discloses the beneficial effects are as follows:

[0016] The utility model discloses the setting of mounting block, rotating clamp, detection block, rotating groove, limiting block and telescopic member is realized through the setting of fixing member, thereby the temperature change of connecting row is detected quickly in the use, and the contact part of wire and connecting row under the action of current can heat and exist fire safety hidden danger when wire virtual connection is used. DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the enlarged view of the utility model connecting row;

[0019] Figure 3 It is the enlarged view of the utility model fixing member;

[0020] Figure 4 It is the local sectional view of the utility model mounting block;

[0021] Reference signs: 1, fixed box;101, connecting block;2, current collector;201, connecting row;202, supporting block;203, connecting line;3, fixing member;301, mounting block;302, rotating clamp;303, detection block;304, contact block;305, rotating groove;306, limiting block;307, connecting groove;308, telescopic member. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0024] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0025] The electrical components appearing in the text are all electrically connected with the master controller and 220V mains from the outside, and the master controller can be a conventional known device such as a computer for control.

[0026] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the present application.

[0027] As Figures 1 to 4As shown in the figure, a photovoltaic junction box temperature monitoring alarm device, comprising: a fixed box 1, the fixed box 1 is open on one side, the fixed box 1 is provided with a connecting block 101 inside, the connecting block 101 is a plurality of; a confluence piece 2 is arranged inside the fixed box 1, used for converging current; a detection mechanism is arranged outside the confluence piece 2, used for detecting the temperature of the confluence piece 2, the detection mechanism comprises a fixing piece 3 and a detection block 303, the detection block 303 is arranged outside the confluence piece 2, used for measuring the temperature of the confluence piece 2, the confluence piece 2 is arranged outside the detection block 303, used for providing support for the detection block 303, specifically, when converging current, first converging current through the cooperation of the connecting block 101 and the confluence piece 2, facilitating the centralized control of current in use, in the process of converging current, through the setting of the fixing piece 3 and the detection block 303, the temperature of the confluence piece 2 in use is detected, ensuring the stability of the confluence piece 2 in the process of current convergence, the fixed box 1 is further provided with a control gate, so as to control the on-off of current in use, the connecting block 101 can connect the confluence piece 2 with the solar panel in use, ensuring that the current can be stably connected, the connecting block 101 is a surge protector, so as to shunt the sudden peak current or voltage in the circuit in use, avoiding damage to other equipment in the circuit by surge, the fixed box 1 is further provided with an alarm module and a communication module, the alarm module is provided with a temperature threshold inside, so as to realize the alarm of temperature in use, the communication module can transmit the information of the alarm module through network in use, so as to realize remote management, the alarm module and the communication module, the control gate and the connecting block 101 are all prior art, and will not be described in detail here.

[0028] As shown in the figure, Figures 1 to 4 The fixed box 1 is further provided with a rotating plate outside, the fixed box 1 is provided with a mounting strip inside, and the mounting strip is connected with the connecting block 101, specifically, the rotating plate is further provided with a sealing strip between the fixed box 1, ensuring the sealing effect of the fixed box 1 in use, the mounting strip and the connecting block 101 can be connected through buckle or bolt, facilitating the quick replacement of the damaged connecting block 101 in use.

[0029] As shown in the figure, Figures 1 to 4As shown, the current collector 2 includes a plurality of connection rows 201, the connection rows 201 are provided with a plurality of supporting blocks 202 relative to the fixed box 1 side, and the supporting blocks 202 are connected with the fixed box 1, and the outer side of the connection row 201 is provided with a plurality of connection lines 203, and the connection line 203 is connected with the connection block 101. Specifically, in the use process, the current is gathered by the connection row 201, and the gathered current is controlled by the control gate. The connection row 201 is supported by the supporting block 202 in the use process, so as to avoid the connection row 201 contacting the fixed box 1 to cause short circuit. The connection line 203 can conduct the plurality of photovoltaic panels and the connection row 201 in the use process. The connection line 203 and the connection row 201 are connected by bolts, so as to ensure the stability of the connection between the connection line 203 and the connection row 201. The supporting block 202 and the fixed box 1 can be connected by bolts or buckles, so as to facilitate the installation and replacement of the connection row 201 in the use process.

[0030] As shown in the figure, Figures 1 to 4 The fixing part 3 includes a plurality of mounting blocks 301, the mounting blocks 301 are connected with the fixed box 1, and the mounting blocks 301 are arranged immediately below the connection row 201. The mounting block 301 is provided with a rotating groove 305 relative to the side of the connection row 201. The rotating groove 305 is internally provided with a rotating clamp 302. The outer side of the rotating clamp 302 is further provided with an extension member 308, and the extension member 308 connects the rotating clamp 302 and the mounting block 301. The rotating clamp 302 is provided with a connecting groove 307 on the opposite side. Specifically, in the use process, the detection block 303 is clamped and installed by the cooperation of the mounting block 301 and the rotating clamp 302, so that the detection block 303 can detect the temperature of the connection row 201 in the use process, and ensure the stability of the connection row 201 in the use process. The rotating clamp 302 can rotate in the rotating groove 305 in the use process. The extension member 308 can provide a relative rotating pulling force for the rotating clamp 302 in the use process, so as to ensure the stability of the detection block 303 in the installation process. The mounting block 301 and the fixed box 1 can be connected by buckles or bolts, so as to facilitate the installation of the mounting block 301 in the use process. The number of mounting blocks 301 can be selected according to the length of the connection row 201, so as to cooperate with the detection block 303 to detect the temperature of different positions of the connection row 201. The extension member 308 includes a damping rod and a spring. The spring is sleeved outside the damping rod, so as to provide a pushing force for the damping rod in the use process. The both ends of the damping rod are provided with rotating balls. The rotating balls can connect the rotating clamp 302 and the mounting block 301 in the use process, and ensure that the extension member 308 can swing relative to the rotating clamp 302 and the mounting block 301.

[0031] As shown in the figure, Figures 1 to 4As shown, the detection block 303 is provided with a limiting block 306 at both ends, and the limiting block 306 is matched with the connecting groove 307, and the detection block 303 is further provided with a contact block 304 relative to the connecting row 201, and the contact block 304 is in contact with the connecting row 201, specifically, the limiting block 306 and the detection block 303 can be connected by bolts or buckles, and the limiting block 306 is matched with the connecting groove 307, that is, the connecting groove 307 and the limiting block 306 can fix the detection block 303 during use, and ensure the stability of the position of the detection block 303 during use, and the detection block 303 is internally provided with a temperature detection sensor, and the temperature detection sensor is connected with an alarm module, so as to alarm the temperature anomaly during use, so as to detect the temperature of the connecting row 201 during use, and the contact block 304 can be copper or aluminum alloy material, and the contact block 304 is arranged between the temperature detection sensor and the connecting row 201, so as to protect the temperature sensor while transmitting the temperature, and ensure the stability of the temperature detection sensor during use, and during use, the temperature partition detection of the connecting row 201 is realized by the arrangement of the plurality of detection blocks 303, and the heating position of the connecting row 201 during use can be accurately judged.

[0032] As Figures 1 to 4 As shown, the support block 202 is an insulating material, specifically, the support block 202 can be insulating rubber or silica gel, so as to fix the position of the connecting row 201 while providing support for the connecting row 201, and ensure the stability of the connecting row 201 during use.

[0033] The above shows and describes the basic principle, main characteristics and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic combiner box temperature monitoring alarm device, characterized in that, The utility model relates to a kind of temperature detection device for electric current, including: Fixed box (1), the fixed box (1) is open on one side, the fixed box (1) is equipped with connecting block (101) inside, and the connecting block (101) is multiple; Busbar (2) is arranged in fixed box (1) inside, for the current is gathered; Detection mechanism is arranged outside busbar (2), for the temperature detection of the busbar (2), the detection mechanism includes fixed part (3) and detection block (303), the detection block (303) is arranged outside busbar (2), for the temperature measurement of the busbar (2), the busbar (2) is arranged outside detection block (303), for the detection block (303) is supported.

2. The photovoltaic combiner box temperature monitoring and alarming device according to claim 1, characterized in that, The fixed box (1) outside is also equipped with rotating plate, and the fixed box (1) is equipped with mounting strip inside, and mounting strip is connected with connecting block (101).

3. A photovoltaic combiner box temperature monitoring and alarm device according to claim 2, wherein, The busbar (2) includes connecting row (201), the connecting row (201) is multiple, the connecting row (201) is equipped with multiple support blocks (202) relative to fixed box (1) side, and support block (202) is connected with fixed box (1), the connecting row (201) outside is equipped with multiple connecting lines (203), and connecting line (203) is connected with connecting block (101).

4. The photovoltaic combiner box temperature monitoring and alarm device of claim 2, wherein, The fixed part (3) includes mounting block (301), the mounting block (301) is multiple, the mounting block (301) is connected with fixed box (1), and mounting block (301) is arranged just below connecting row (201), the mounting block (301) is opened relative to connecting row (201) side and is equipped with rotating groove (305), the rotating groove (305) is equipped with rotating clamp (302) inside, the rotating clamp (302) outside is also equipped with telescopic part (308), and telescopic part (308) is connected rotating clamp (302) and mounting block (301), the rotating clamp (302) is opened relative to the side of opposite surface and is equipped with connecting groove (307).

5. A photovoltaic combiner box temperature monitoring and alarm device according to claim 4, wherein, The detection block (303) both ends are equipped with limit block (306), and limit block (306) is matched with connecting groove (307), the detection block (303) relative to connecting row (201) side is also equipped with contact block (304), and contact block (304) is abutted with connecting row (201).

6. The photovoltaic combiner box temperature monitoring and alarm device of claim 3, wherein, The support block (202) is insulating material.