Quick turn-off junction box

Abstract

The utility model relates to the field of junction boxes, in particular to a fast turn-off junction box. The technical problems that in the using process of an existing junction box, a photovoltaic assembly connected with the junction box can be closed completely only when a multi-stage assembly needs to be closed, the closing of the multi-stage assembly often causes the increase of the time required for danger avoiding, and then the life health of surrounding workers is affected are solved. According to the technical scheme, the fast turn-off junction box comprises a sealing cover assembly, a base assembly, a connector assembly, an inner plate assembly, a supporting assembly and a heat dissipation assembly. According to the utility model, the PLC communication control box is arranged to directly control the junction box, so that the assembly can be quickly turned off only by cutting off a power supply of the PLC communication control box or pressing down an emergency stop switch in an emergency condition, and the problem that the existing junction box is inconvenient to use in the use process is solved. In the prior art, a photovoltaic module connected with a junction box can be completely closed only when a multi-stage module needs to be closed, and the closing of the multi-stage module often causes the increase of the time required for danger avoidance.

Description

Technical Field

[0001] The utility model relates to the field of junction boxes, in particular to a fast-shutdown junction box. Background Art

[0002] In home decoration, the junction box is one of the electrical auxiliary materials, because the wires used for decoration are passed through the wire tube, and the junction box is used as a transition at the joint of the wires (for example, the line is relatively long, or the wire tube needs to turn a corner). The wire tube is connected to the junction box, and the wires in the wire tube are connected in the junction box, which plays a role in protecting and connecting the wires. During the use of existing junction boxes, because they are often directly connected to the photovoltaic system, when the photovoltaic system has an operational failure, it is often necessary to shut down multi-stage components to stop the operation of the photovoltaic system. However, the shutdown of multi-stage components often leads to an increase in the shutdown time, which can easily endanger the life and health of surrounding personnel. Utility Model Content

[0003] In order to overcome the problem that during the use of existing junction boxes, it is often necessary to shut down multi-stage components in order to completely shut down the photovoltaic components connected to the junction box. However, shutting down multi-stage components often increases the time required for evacuation, thereby affecting the life and health of surrounding workers.

[0004] The technical solution of the utility model is: a quick-shutoff junction box, comprising a cover assembly, a base assembly, a joint assembly, an inner plate assembly, a support assembly and a heat dissipation assembly; the inner plate assembly is arranged at the lower end of the cover assembly; the joint assemblies are arranged on both sides of the inner plate assembly; the base assembly is arranged at the lower end of the inner plate assembly; the heat dissipation assembly is installed on the base assembly; and the support assemblies are arranged on both sides of the heat dissipation assembly.

[0005] Preferably, the inner panel assembly is protected by a base assembly and a cover assembly, the data cable can be connected by a connector assembly, and the junction box can be supported by a support assembly. Finally, auxiliary heat dissipation of the inside of the junction box can be achieved by setting a heat dissipation assembly.

[0006] Preferably, the covering assembly includes a covering plate, a nameplate plate, an identification groove and a positioning block; the nameplate plate is fixedly connected to the upper end of the covering plate; identification grooves are provided on both sides of the nameplate plate; positioning blocks are fixedly connected to both sides of the covering plate, and the entire junction box can be identified by the nameplate plate and the identification groove.

[0007] Preferably, the base assembly includes a fixed base, a positioning bar, a supporting bar, a fixed block, a fixed stud, a locking nut, a combined frame and a connecting block; a fixed base is provided at the lower end of the covering plate; a positioning bar is fixedly connected to the inner wall of the fixed base; a fixed block is provided on the inner side of the fixed base; a fixed stud is fixedly connected to the fixed block; support bars are provided at the front and rear ends of the fixed block; a locking nut is provided on the outer side of the fixed stud; a combined frame is provided on one side of the fixed block; a connecting block is fixedly connected in the combined frame, and the connection between the base assembly and the inner plate assembly can be achieved through the locking nut and the fixing stud.

[0008] Preferably, the joint assembly includes a fixed joint, a limit strip, a joint groove and a positioning groove; fixed joints are arranged on both sides of the fixed base; a limit strip is fixedly connected to the fixed joint; a joint groove is provided in the fixed joint; a positioning groove is provided on the upper end surface of the fixed joint, and the limit strip can be provided so that the entire fixed joint can be clamped on the base assembly to prevent it from falling off.

[0009] Preferably, the inner plate assembly includes a fixed plate, a connecting frame, a positioning frame and a PLC communication control box; a fixed plate is provided at the upper end of the support bar; a connecting frame is installed on the fixed plate; positioning frames are fixedly connected to both sides of the fixed plate; a PLC communication control box is installed on the upper end surface of the fixed plate, and the junction box can be directly controlled by setting up the PLC communication control box, so that in an emergency, the component can be quickly shut down by simply cutting off the power supply of the PLC communication control box or pressing the emergency stop switch.

[0010] Preferably, the support assembly includes an elastic sheet, a mounting hole and a mounting bolt; the lower end surface of the fixed base is provided with an elastic sheet; a mounting hole is opened on the elastic sheet; a mounting bolt is provided on the inner side of the mounting hole, and the elastic sheet can be used to support and quickly install the entire junction box.

[0011] Preferably, the heat dissipation component includes a heat dissipation fan and a partition strip; two heat dissipation fans are installed on the bottom section of the fixed base; a partition strip is arranged between the two heat dissipation fans, and the internal heat dissipation of the junction box can be achieved through the arrangement of the heat dissipation fans.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting up a PLC communication control box to directly control the junction box, in an emergency, you only need to cut off the power supply of the PLC communication control box or press the emergency stop switch to quickly shut down the components, so as to solve the problem that in the use of the existing junction box, it is often necessary to shut down multiple-level components to completely shut down the photovoltaic components connected to the junction box. Shutting down multiple-level components often increases the time required for risk avoidance, thereby affecting the life and health of surrounding workers;

[0014] 2. By setting up a cooling fan, the heat accumulation generated inside the junction box can be quickly dissipated by the cooling fan during use of the entire junction box, thereby improving the ease of use of the entire quick-shutdown junction box to a certain extent, and further greatly improving the working efficiency of the entire quick-shutdown junction box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a schematic diagram of the first exploded structure of the quick-shutoff junction box of the utility model;

[0016] Figure 2 Shown is a schematic diagram of the second exploded structure of the quick-shutoff junction box of the utility model;

[0017] Figure 3 What is shown is a schematic diagram of a first three-dimensional structure of a quick-shutdown junction box of the utility model;

[0018] Figure 4 What is shown is a second three-dimensional structure schematic diagram of the quick-shutoff junction box of the utility model.

[0019] Explanation of the accompanying drawings: 1. Cover assembly; 2. Base assembly; 3. Joint assembly; 4. Inner plate assembly; 5. Support assembly; 6. Heat dissipation assembly; 101. Cover plate; 102. Nameplate plate; 103. Identification groove; 104. Positioning block; 201. Fixed base; 202. Positioning bar; 203. Support bar; 204. Fixed block; 205. Fixed stud; 206. Locking nut; 207. Combination frame; 208. Connecting block; 301. Fixed joint; 302. Limiting bar; 303. Joint groove; 304. Positioning groove; 401. Fixed plate; 402. Connecting frame; 403. Positioning frame; 404. PLC communication control box; 501. Elastic sheet; 502. Mounting hole; 503. Mounting bolt; 601. Cooling fan; 602. Partition strip. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1-2The utility model provides an embodiment: a quick-shutdown junction box, including a cover assembly 1, a base assembly 2, a joint assembly 3, an inner plate assembly 4, a support assembly 5 and a heat dissipation assembly 6; the lower end of the cover assembly 1 is provided with the inner plate assembly 4; both sides of the inner plate assembly 4 are provided with joint assemblies 3; the lower end of the inner plate assembly 4 is provided with a base assembly 2; the heat dissipation assembly 6 is installed on the base assembly 2; both sides of the heat dissipation assembly 6 are provided with support assemblies 5, and the base assembly 2 includes a fixed base 201, a positioning bar 202, a support bar 203, a fixing block 204, a fixing stud 205, a locking nut 206, a combination frame 207 and a connecting block 208; the cover assembly 1 is provided with an inner plate assembly 4; both sides of the inner plate assembly 4 are provided with joint assemblies 3; the lower end of the inner plate assembly 4 is provided with a base assembly 2; the heat dissipation assembly 6 is installed on the base assembly 2; both sides of the heat dissipation assembly 6 are provided with support assemblies 5, and the base assembly 2 includes a fixed base 201, a positioning bar 202, a support bar 203, a fixing block 204, a fixing stud 205, a locking nut 206, a combination frame 207 and a connecting block 208; A fixed base 201 is provided at the lower end of the cover plate 101; a positioning strip 202 is fixedly connected to the inner wall of the fixed base 201; a fixed block 204 is provided on the inner side of the fixed base 201; a fixed stud 205 is fixedly connected to the fixed block 204; support strips 203 are provided at the front and rear ends of the fixed block 204; a locking nut 206 is provided on the outer side of the fixed stud 205; a combination frame 207 is provided on one side of the fixed block 204; a connecting block 208 is fixedly connected to the combination frame 207, and the connection between the base assembly 2 and the inner plate assembly 4 can be realized by the locking nut 206 and the fixed stud 205. The joint assembly 3 includes a fixed joint 301, a limit strip 30 2. Joint groove 303 and positioning groove 304; both sides of the fixed base 201 are provided with fixed joints 301; the fixed joint 301 is fixedly connected with a limit strip 302; a joint groove 303 is provided in the fixed joint 301; a positioning groove 304 is provided on the upper end surface of the fixed joint 301, and the entire fixed joint 301 can be clamped on the base assembly 2 through the setting of the limit strip 302 to prevent it from falling off, and the inner plate assembly 4 includes a fixed plate 401, a connecting frame 402, a positioning frame 403 and a PLC communication control box 404; a fixed plate 401 is provided at the upper end of the support strip 203; a connecting frame 402 is installed on the fixed plate 401; Positioning frames 403 are fixedly connected to both sides of the fixed plate 401; a PLC communication control box 404 is installed on the upper end surface of the fixed plate 401, and the junction box can be directly controlled by setting the PLC communication control box 404. Therefore, in an emergency, the component can be quickly shut down by simply cutting off the power supply of the PLC communication control box 404 or pressing the emergency stop switch. The heat dissipation component 6 includes a cooling fan 601 and a partition bar 602; two cooling fans 601 are installed on the bottom section of the fixed base 201; a partition bar 602 is set between the two cooling fans 601, and the internal heat dissipation of the junction box can be achieved through the setting of the cooling fan 601.

[0022] See also Figure 3-4In this embodiment, the cover assembly 1 includes a cover plate 101, a nameplate plate 102, an identification groove 103 and a positioning block 104; the nameplate plate 102 is fixedly connected to the upper end of the cover plate 101; the identification grooves 103 are provided on both sides of the nameplate plate 102; the positioning blocks 104 are fixedly connected to both sides of the cover plate 101, and the entire junction box can be identified by the nameplate plate 102 and the identification groove 103. The support assembly 5 includes an elastic sheet 501, a mounting hole 502 and a mounting bolt 503; the lower end surface of the fixed base 201 is provided with an elastic sheet 501; the mounting hole 502 is provided on the elastic sheet 501; the inner side of the mounting hole 502 is provided with a mounting bolt 503, and the entire junction box can be supported and quickly installed through the elastic sheet 501.

[0023] When working, the data line is inserted into the connector slot 303, and the "operation instruction" is transmitted through the PLC communication control box 404. When the junction box receives the signal, the photovoltaic system can start to operate normally, so as to realize the normal use of the junction box. When the user uses the junction box, in case of an emergency, the photovoltaic component can be quickly shut down by cutting off the power supply of the PLC communication control box 404.

[0024] Through the above steps, a PLC communication control box 404 is set to directly control the junction box, so that in an emergency, only the power supply of the PLC communication control box 404 needs to be cut off or the emergency stop switch needs to be pressed to quickly shut down the components, so as to solve the problem that during the use of the existing junction box, it is often necessary to close multiple components to completely shut down the photovoltaic components connected to the junction box, and closing multiple components often increases the time required for hedging, thereby affecting the life and health of surrounding personnel. At the same time, the inner panel component 4 can be protected by the base component 2 and the cover component 1, and the data cable can be connected by the connector component 3, and the junction box can be supported by the support component 5. Finally, the internal auxiliary heat dissipation of the junction box is achieved through the setting of the heat dissipation component 6.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A quick-shutoff junction box, comprising a cover assembly (1); characterized in that: It also comprises a base assembly (2), a joint assembly (3), an inner plate assembly (4), a support assembly (5) and a heat dissipation assembly (6); the inner plate assembly (4) is arranged at the lower end of the cover assembly (1); the joint assembly (3) is arranged on both sides of the inner plate assembly (4); the base assembly (2) is arranged at the lower end of the inner plate assembly (4); the heat dissipation assembly (6) is mounted on the base assembly (2); and the support assembly (5) is arranged on both sides of the heat dissipation assembly (6).

2. A quick-shutdown junction box according to claim 1, characterized in that: The cover assembly (1) comprises a cover plate (101), a nameplate plate (102), an identification groove (103) and a positioning block (104); the nameplate plate (102) is fixedly connected to the upper end of the cover plate (101); identification grooves (103) are provided on both sides of the nameplate plate (102); and the positioning blocks (104) are fixedly connected to both sides of the cover plate (101).

3. A quick-shutdown junction box according to claim 2, characterized in that: The base assembly (2) comprises a fixed base (201), a positioning strip (202), a support strip (203), a fixed block (204), a fixed stud (205), a locking nut (206), a combination frame (207) and a connecting block (208); the fixed base (201) is arranged at the lower end of the cover plate (101); the positioning strip (202) is fixedly connected to the inner wall of the fixed base (201); the fixed block (204) is arranged on the inner side of the fixed base (201); the fixed stud (205) is fixedly connected to the fixed block (204); the front and rear ends of the fixed block (204) are both provided with support strips (203); the outer side of the fixed stud (205) is provided with a locking nut (206); the combination frame (207) is arranged on one side of the fixed block (204); and the connecting block (208) is fixedly connected inside the combination frame (207).

4. A fast shut-off junction box according to claim 3, characterized in that: The joint assembly (3) comprises a fixed joint (301), a limit strip (302), a joint slot (303) and a positioning slot (304); the fixed joints (301) are arranged on both sides of the fixed base (201); the limit strip (302) is fixedly connected to the fixed joint (301); the joint slot (303) is provided in the fixed joint (301); and the positioning slot (304) is provided on the upper end surface of the fixed joint (301).

5. A fast shut-off junction box according to claim 3, characterized in that: The inner plate assembly (4) comprises a fixed plate (401), a connecting frame (402), a positioning frame (403) and a PLC communication control box (404); the upper end of the support bar (203) is provided with the fixed plate (401); the connecting frame (402) is installed on the fixed plate (401); the positioning frames (403) are fixedly connected to both sides of the fixed plate (401); and the PLC communication control box (404) is installed on the upper end surface of the fixed plate (401).

6. A fast shut-off junction box according to claim 3, characterized in that: The support assembly (5) comprises an elastic sheet (501), a mounting hole (502) and a mounting bolt (503); the lower end surface of the fixed base (201) is provided with the elastic sheet (501); the mounting hole (502) is provided on the elastic sheet (501); and the mounting bolt (503) is provided inside the mounting hole (502).

7. A fast shut-off junction box according to claim 3, characterized in that: The heat dissipation assembly (6) comprises a heat dissipation fan (601) and a partition bar (602); two heat dissipation fans (601) are installed on the bottom section of the fixed base (201); and a partition bar (602) is provided between the two heat dissipation fans (601).

Images