CN220476088U - Explosion-proof case and photovoltaic equipment - Google Patents

Abstract

The utility model provides an explosion-proof box and photovoltaic equipment. The explosion-proof case includes: the case comprises a case body and a cover plate structure covered on one side of the case body; the first mounting piece and the second mounting piece are used for connecting the cover plate structure and the box body; the reinforcing member is connected with the first mounting piece, and the reinforcing member wears to locate the cover plate structure to increase the joint strength between cover plate structure and the box and form the reinforcing region, the regional pressure release region that forms of second mounting piece place, the cover plate structure that is located the pressure release region can form the interval with the box when receiving the impact force. According to the technical scheme, the pressure relief area is formed in the area where the second mounting piece is located, and the explosion impact force can be acted on the pressure relief area in a concentrated mode, so that rapid pressure relief is realized, and explosion prevention is realized.

Description

Explosion-proof case and photovoltaic equipment

Technical Field

The utility model relates to the technical field of photovoltaic explosion prevention, in particular to an explosion-proof box and photovoltaic equipment.

Background

Along with the rapid development and popularization of the photovoltaic industry, more and more photovoltaic equipment application sites are close to residential areas, and when electrical elements such as electrolytic capacitors and the like in the photovoltaic equipment fail and are damaged, flammable gas can be released, explosion can be generated in a case when conditions such as short circuit arc discharge and the like are met, the explosion generates huge impact force on a case cover plate, if no explosion-proof function exists, the case cover can fly out, and accordingly potential safety hazards are caused to corresponding equipment and personnel around the photovoltaic equipment. How to make photovoltaic equipment have an explosion-proof function and prevent materials such as a cover plate from flying out becomes a problem which needs to be solved urgently.

Disclosure of Invention

The utility model mainly aims to provide an explosion-proof box and photovoltaic equipment, so as to provide the explosion-proof box which can quickly relieve pressure and has a better explosion-proof effect.

In order to achieve the above object, according to one aspect of the present utility model, there is provided an explosion-proof tank comprising: the case comprises a case body and a cover plate structure covered on one side of the case body; the first mounting piece and the second mounting piece are used for connecting the cover plate structure and the box body; the reinforcing member is connected with the first mounting piece, and the reinforcing member wears to locate the cover plate structure to increase the joint strength between cover plate structure and the box and form the reinforcing region, the regional pressure release region that forms of second mounting piece place, the cover plate structure that is located the pressure release region can form the interval with the box when receiving the impact force.

Further, one end of the reinforcing member is connected to the first mount, the other end of the reinforcing member is configured to be detachably connectable to the cover structure, and the reinforcing member is telescopically disposed with respect to the first mount.

Further, offer the mounting hole that is used for wearing to establish the reinforcement member on the first installed part, explosion-proof case still includes: the elastic piece is positioned at the periphery of the reinforcing member, and can be compressed under the action of external force applied to the reinforcing member; the anti-falling structure is arranged between the first mounting piece and the reinforcing member and is used for preventing the reinforcing member from being separated from the first mounting piece.

Further, the reinforcing member comprises a first section and a second section, the outer diameters of the first section and the second section are sequentially reduced, a first step surface is formed between the first section and the second section, a second step surface extending along the radial direction is arranged on the inner wall surface of the mounting hole, one end of the elastic piece is connected with or abutted to the first step surface, and the other end of the elastic piece is connected with or abutted to the second step surface.

Further, the anti-drop structure includes: the anti-falling piece is connected with one end of the reinforcing member; the stop flange is arranged on the inner wall of the mounting hole, the end face of the stop flange forms a second step surface, and the anti-falling piece is positioned on one side of the stop flange, which is away from the second step surface.

Further, the explosion-proof box further comprises a reinforcing rib connected with the first mounting piece, and the reinforcing rib is used for reinforcing the strength of the first mounting piece.

Further, the first mount includes: the first base plate is connected with the box body; and the first connecting column is connected with the cover plate structure, and is arranged on one side of the first substrate, and the reinforcing member is connected with the first connecting column.

Further, a first connecting hole for being connected with the cover plate structure is formed in the first connecting column, the explosion-proof box further comprises a locking piece, the locking piece penetrates through the cover plate structure and is connected with the first connecting hole, and an included angle is formed between the central axis of the first connecting hole and the central axis of the reinforcing member.

Further, the explosion-proof box comprises at least one first mounting piece, at least one second mounting piece and at least one reinforcing member, wherein each first mounting piece is connected with at least one reinforcing member, and at least one reinforcing region is arranged between two adjacent pressure relief regions.

Further, the cover plate structure includes a top plate and a peripheral side plate connected with the top plate and extending in the circumferential direction of the top plate, the first mounting piece and the second mounting piece are both connected with the top plate, and the reinforcing member is detachably connected with the peripheral side plate.

Further, the case includes: the bottom plate and the circumferential side plate are connected with the bottom plate; the annular mounting plate is arranged at two opposite ends of the circumferential side plate with the bottom plate, and the first mounting piece and the second mounting piece are connected with the annular mounting plate.

Further, the box body further comprises a bending flanging structure, the bending flanging structure is connected with the inner wall of the annular mounting plate, the bending flanging structure extends along the circumferential direction of the annular mounting plate, the explosion-proof box further comprises an annular sealing piece connected with the cover plate structure, and the annular sealing piece is correspondingly arranged with the bending flanging structure.

According to another aspect of the present utility model, there is provided a photovoltaic device comprising the explosion proof box described above and an electrical element disposed within the explosion proof box.

By applying the technical scheme of the utility model, the box body and the cover plate structure can be fixedly connected through the first mounting piece and the second mounting piece. By arranging the reinforcing member, the connection strength of the cover plate structure and the region (namely the reinforcing region) of the box body, which is provided with the first mounting piece, is strong, the connection strength of the cover plate structure and the region (namely the pressure relief region) of the box body, which is provided with the second mounting piece, is weak, and when explosion occurs in the box body, the explosion impact force firstly impacts the pressure relief region with weak connection strength, and as the first mounting piece is connected with the reinforcing member, the cover plate structure and the box body can be ensured to be always connected in the reinforcing region, so that the cover plate structure and the box body are prevented from being separated; in addition, the second installed part is smaller than the whole area of the cover plate structure, and compared with the scheme of only setting up the first installed part, through setting up the second installed part, the explosion impact force can concentrate in the region that is equipped with the second installed part to in the region that is equipped with the second installed part, form great pressure release mouth between box and cover plate structure, thereby realize quick pressure release.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic assembly view of a tank body, a first mounting member and a second mounting member of an embodiment of an explosion proof tank according to the present utility model;

FIG. 2 shows a schematic assembly of the housing of the explosion proof housing of FIG. 1 with a first mount;

FIG. 3 shows a schematic view of the explosion proof enclosure of FIG. 1 assembled at another angle to the first mount;

fig. 4 shows a schematic structural view of a cover plate structure of the explosion proof tank of fig. 1;

fig. 5 shows a schematic structural view of a first mount of the explosion proof tank of fig. 1;

fig. 6 shows a schematic structural view of a second mount of the explosion proof tank of fig. 1;

FIG. 7 shows a schematic structural view of one embodiment of the explosion proof enclosure of FIG. 1;

FIG. 8 shows a schematic structural view of another embodiment of the explosion proof tank of FIG. 1;

FIG. 9 shows a schematic structural view of another embodiment of the explosion proof tank of FIG. 1;

fig. 10 shows a schematic structural view of the explosion proof tank of fig. 1 upon explosion;

fig. 11 shows a schematic structural view of a case body of the explosion-proof case of fig. 1;

fig. 12 is a schematic view showing an internal structure of the first mount of fig. 5.

Wherein the above figures include the following reference numerals:

10. a cover plate structure; 15. a top plate; 16. a peripheral plate; 161. a water leakage hole; 162. a connecting through hole; 21. a first mounting member; 211. a first connection hole; 215. a first substrate; 216. a first connection post; 217. a mounting hole; 219. a first mounting through hole; 22. a reinforcing member; 221. a first section; 222. a second section; 23. reinforcing ribs; 24. an elastic member; 25. an anti-falling member; 26. a stop flange; 31. a second mounting member; 311. a second substrate; 312. a second connection post; 313. a second connection hole; 314. a second mounting through hole; 100. a case; 101. an annular mounting plate; 102. bending and flanging structures; 105. a bottom plate; 106. a circumferential side plate.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

In the prior art, the explosion-proof box of the photovoltaic device comprises a box body and a cover plate structure covered on the box body, wherein the box body and the cover plate structure are fixedly connected through a reinforcing bolt, when the box body explodes, the connection position of the cover plate structure and the box body has a connection strength difference due to the fact that the reinforcing bolt and the position where the bolt is not arranged are arranged on the cover plate structure, and explosion impact force can act on the position where the bolt is not arranged on the cover plate structure, and a pressure relief opening is formed between the box body and the cover plate structure at the position so as to realize explosion relief. However, the area of the position of the cover plate, which is not provided with the bolt, is larger, the explosion impact force cannot be concentrated, and the explosion impact force can only act on the joint of the cover plate structure and the box body in a relatively dispersed manner, so that a larger pressure relief opening is difficult to form between the cover plate structure and the box body, and quick pressure relief cannot be realized.

Therefore, to above-mentioned technical defect, this application provides explosion-proof case and photovoltaic equipment to solve the explosion-proof case of photovoltaic equipment among the prior art and lead to unable quick pressure release's problem because of the area of force is great.

As shown in fig. 1 to 3, an embodiment of the present utility model provides an explosion proof case. The explosion-proof case includes: the case comprises a case body 100 and a cover plate structure 10 which is covered on one side of the case body 100; the first mounting piece 21 and the second mounting piece 31 are used for connecting the cover plate structure 10 and the box body 100, and the first mounting piece 21 and the second mounting piece 31 are arranged at intervals along the circumferential direction of the box body 100; the reinforcing member 22 is connected with the first mounting piece 21, and the reinforcing member 22 penetrates through the cover plate structure 10 to increase the connection strength between the cover plate structure 10 and the box body 100 and form a reinforcing area, the area where the second mounting piece 31 is located forms a pressure relief area, and the cover plate structure 10 located in the pressure relief area can form a gap with the box body 100 when receiving impact force.

In the above-described embodiments, the case 100 can be fixedly connected to the cover structure 10 by the first and second mounting members 21 and 31. By arranging the reinforcing member 22, the connection strength between the cover plate structure 10 and the region (i.e., the reinforcing region) of the box body 100, where the first mounting piece 21 is arranged, is relatively strong, the connection strength between the cover plate structure 10 and the region (i.e., the pressure relief region) of the box body 100, where the second mounting piece 31 is arranged, is relatively weak, and when an explosion occurs in the box body 100 (as shown in fig. 10), the explosion impact force firstly impacts the pressure relief region with relatively weak connection strength, and as the reinforcing member 22 is connected to the first mounting piece 21, the cover plate structure 10 and the box body 100 can be ensured to be always connected in the reinforcing region, so that the cover plate structure 10 and the box body 100 are prevented from being separated; in addition, the second mounting member 31 is smaller than the whole area of the cover plate structure 10, and compared with the scheme of only arranging the first mounting member 21, by arranging the second mounting member 31, the explosion impact force can be concentrated in the area where the second mounting member 31 is arranged, and a larger pressure relief opening is formed between the case 100 and the cover plate structure 10 in the area where the second mounting member 31 is arranged, thereby realizing rapid pressure relief.

In one prior art known to the inventors, the tank and the cover plate are fixedly connected only by a connecting member, and a reinforcing member is provided at the connecting member to reinforce the connection strength, so that a reinforcing region is formed between the tank and the cover plate in a region where the connecting member is provided, and a pressure release region is formed between the tank and the cover plate in a region where the connecting member is not provided. When the explosion happens, the box body and the cover plate can not be separated through the connecting piece and the reinforcing piece, but the explosion impact force is dispersed when acting on the junction of the box body and the cover plate because the area of the pressure relief area is large, and the junction of the cover plate and the box body is not concentrated in acceptance, so that the quick pressure relief can not be realized.

As shown in fig. 4, in the embodiment of the present utility model, the cover structure 10 includes the top plate 15 and the peripheral side plate 16 connected to the top plate 15 and extending in the circumferential direction of the top plate 15, the first mount 21 and the second mount 31 are each connected to the top plate 15, and the reinforcing member 22 is detachably connected to the peripheral side plate 16.

With the above arrangement, in the reinforcing region (i.e., the region where the first mount 21 is located), the first mount 21 is connected to the top plate 15 in the longitudinal direction, the first mount 21 is connected to the peripheral side plate 16 in the lateral direction through the reinforcing member 22, and in the pressure release region (i.e., the region where the second mount 31 is located), the second mount 31 is connected to the top plate 15 only in the longitudinal direction. Like this, the junction of box 100 and apron structure 10 can form intensity difference in the joint strength of strengthening regional and pressure release region, and explosion impact force can concentrate in the pressure release region to realize quick pressure release.

As shown in fig. 5, in the embodiment of the present utility model, the first mount 21 includes: a first substrate 215 connected to the case 100; and a first connection post 216 connected with the cover structure 10, and the first connection post 216 is disposed at one side of the first substrate 215, and the reinforcing member 22 is connected with the first connection post 216.

In the above technical solution, the first connecting post 216 is provided with a first connecting hole 211 for connecting with the cover structure 10, the central axis of the first connecting hole 211 has an included angle with the central axis of the reinforcing member 22, the first connecting hole 211 extends longitudinally and is connected with the top plate 15 of the cover structure 10, the explosion-proof box further includes a locking member, the locking member passes through the cover structure 10 and is connected with the first connecting hole 211, and the reinforcing member 22 extends transversely and is connected with the peripheral plate 16 of the cover structure 10.

In one embodiment of the present utility model, the case 100 and the first mounting member 21 are connected by a clinch screw or a high-strength clinch screw or a sealing nut post, which passes through a first mounting through hole 219 formed in the first base plate 215 and then is connected to the case 100, and is mounted and fastened by a flange nut.

As shown in fig. 6, in the embodiment of the present utility model, the second mount 31 includes: a second substrate 311 connected to the case 100; and a second connection post 312 disposed on one side of the second substrate 311 and connected to the cover structure 10. The second connection post 312 is provided with a second connection hole 313 for connecting with the cover structure 10, and the second substrate 311 is provided with a second mounting through hole 314 for connecting with the case 100. The second mounting member 31 is connected to the case 100 by press-riveting screws.

As shown in fig. 1 to 3, in the embodiment of the present utility model, one end of the reinforcing member 22 is connected to the first mount 21, the other end of the reinforcing member 22 is configured to be detachably connected to the cover structure 10, and the reinforcing member 22 is telescopically disposed with respect to the first mount 21.

In the above technical solution, the peripheral plate 16 is provided with a connecting through hole 162, and the reinforcing member 22 is inserted into the connecting through hole 162 to be detachably connected with the cover plate structure 10. By arranging the reinforcing member 22 to be telescopically arranged with respect to the first mounting piece 21, during mounting, the reinforcing member 22 is pressed in the transverse direction to be in a retracted state, so that the mounting is facilitated, interference of the reinforcing member 22 on the cover plate structure 10 is avoided, after the cover plate structure 10 is covered on the box body 100, the reinforcing member 22 is pressed again through the connecting through hole to be in an extended state, and therefore part of the structure of the reinforcing member 22 is penetrated in the connecting through hole. In this way, the first mount 21 can be connected with the cover structure 10 in the lateral direction by the reinforcing member 22, reinforcing the connection strength of the first mount 21 with the cover structure 10 to reinforce the connection strength of the case 100 with the cover structure 10 at the first mount 21, so that the connection strength of the case 100 with the cover structure 10 at the first mount 21 is greater than the connection strength at the second mount 31.

As shown in fig. 5, in the embodiment of the present utility model, the explosion proof tank further includes a reinforcing rib 23 connected to the first mounting member 21, the reinforcing rib 23 serving to reinforce the strength of the first mounting member 21.

In the above-described technical solution, the first mounting member 21 is connected with two reinforcing ribs 23, one end of each reinforcing rib 23 is connected with the first connecting post 216, the other end of each reinforcing rib 23 is connected with the first base plate 215 to strengthen the connection strength of the first base plate 215 and the first connecting post 216, thereby further strengthening the structural strength of the first mounting member 21, and the two reinforcing ribs 23 are arranged at intervals along the circumferential direction of the first connecting post 216.

In another embodiment of the present utility model, each first mounting member 21 may be connected with three or more reinforcing ribs 23 according to practical requirements.

In one embodiment of the present utility model, the following relationship exists between the width c1 of the first mounting member 21 and the width c2 of the second mounting member 31: c1 > c2 such that the structural strength of the first mounting member 21 is greater than the structural strength of the second mounting member 31, such that the connection strength of the case 100 and the cover structure 10 at the first mounting member 21 is greater than the connection strength at the second mounting member 31.

In one embodiment of the present utility model, the following relationship exists between the thickness d1 of the first substrate 215 and the thickness d2 of the second substrate 311: d1 > d2 so that the structural strength of the first mounting member 21 is greater than the structural strength of the second mounting member 31, thereby making the connection strength of the case 100 and the cover structure 10 at the first mounting member 21 greater than the connection strength at the second mounting member 31.

In an embodiment of the present utility model, the material strength of the first mounting member 21 is greater than the material strength of the second mounting member 31, such that the structural strength of the first mounting member 21 is greater than the structural strength of the second mounting member 31, thereby making the connection strength of the case 100 and the cover structure 10 at the first mounting member 21 greater than the connection strength at the second mounting member 31.

In one embodiment of the present utility model, the first mounting member 21 is made of a high strength material such as stainless steel or zinc alloy, and the second mounting member 31 is made of an aluminum alloy or plastic material.

As shown in fig. 1, in the embodiment of the present utility model, the explosion proof case includes at least one first mount 21, at least one second mount 31, and at least one reinforcing member 22, each first mount 21 is connected with at least one reinforcing member 22, and at least one reinforcing region is provided between adjacent two pressure relief regions.

In the above-described solution, the explosion proof tank includes the plurality of first mounts 21, the plurality of second mounts 31, and the plurality of reinforcing members 22.

Through the arrangement, at least one reinforcing area is arranged between two adjacent pressure relief areas, so that a connection strength difference is formed between the reinforcing area and the pressure relief area at the connection position of the box body 100 and the cover plate structure 10, and quick pressure relief is realized.

In another embodiment of the utility model, the explosion proof box may also comprise a first mounting 21, a second mounting 31 and a reinforcing member 22.

As shown in fig. 7, in an embodiment of the present utility model, the case 100 and the cover structure 10 are both rectangular structures, the explosion-proof case includes four first mounting pieces 21 and four second mounting pieces 31, the four first mounting pieces 21 are respectively disposed at four corners of the rectangular structures, and one second mounting piece 31 is disposed between two adjacent first mounting pieces 21.

As shown in fig. 8, in another embodiment of the present utility model, the explosion-proof tank includes six first mounting pieces 21 and two second mounting pieces 31, four of the six first mounting pieces 21 are disposed at four corners of the rectangular structure, respectively, the other two of the six first mounting pieces 21 are disposed at oppositely disposed first and third sides of the rectangular structure, respectively, and the two second mounting pieces 31 are disposed at oppositely disposed second and fourth sides of the rectangular structure, respectively.

As shown in fig. 9, in another embodiment of the present utility model, the explosion proof box includes three first mounting pieces 21 and five second mounting pieces 31, the three first mounting pieces 21 are disposed at intervals on the second side of the rectangular structure, three of the five second mounting pieces 31 are disposed at intervals on the fourth side of the rectangular structure, and the other two of the five second mounting pieces 31 are disposed on the first side and the third side of the rectangular structure, respectively.

As shown in fig. 11, in the embodiment of the present utility model, the case 100 includes: a bottom plate 105 and a circumferential side plate 106 connected to the bottom plate 105; the annular mounting plate 101, the annular mounting plate 101 and the bottom plate 105 are provided at opposite ends of the circumferential side plate 106, and the first mounting member 21 and the second mounting member 31 are each connected to the annular mounting plate 101.

In the above technical solution, the case 100 further includes a bending and flanging structure 102, where the bending and flanging structure 102 is connected with the inner wall of the annular mounting plate 101 and extends along the circumferential direction of the annular mounting plate 101, and the bending and flanging structure 102 includes a first flanging and a second flanging that are perpendicular to each other, where the first flanging is connected with the annular mounting plate 101, and the second flanging is parallel to the top plate of the cover plate structure 10. The explosion proof box further comprises an annular sealing member connected with the cover plate structure 10, and the annular sealing member is arranged corresponding to the bending flanging structure 102. In this way, the cover plate structure 10 is arranged on the box body 100 in a covering manner, the annular sealing element and the bending flanging structure 102 are mutually extruded, and the annular sealing element is deformed, so that a seal is formed between the box body 100 and the cover plate structure 10.

As shown in fig. 4, in the embodiment of the present utility model, a plurality of water leakage holes 161 are further formed in the peripheral side plate 16 of the cover plate structure 10, so that a small amount of rainwater accumulated on the radial outer side of the annular sealing member during rain can be discharged through the water leakage holes 161, and the annular sealing member is prevented from being aged due to accumulation of rainwater.

As shown in fig. 12, in the embodiment of the present utility model, the first mounting piece 21 is provided with a mounting hole 217 for penetrating the reinforcing member 22, and the explosion-proof box further includes: an elastic piece 24 located at the outer periphery of the reinforcing member 22, and the elastic piece 24 can be compressed when the reinforcing member 22 is subjected to an external force; and a drop prevention structure provided between the first mount 21 and the reinforcing member 22, the drop prevention structure being for preventing the reinforcing member 22 from being separated from the first mount 21.

In the above technical solution, the reinforcing member 22 includes a first section 221 and a second section 222 with sequentially reduced outer diameters, a first step surface is formed between the first section 221 and the second section 222, a second step surface extending along a radial direction is provided on an inner wall surface of the mounting hole 217, one end of the elastic element 24 is connected or abutted with the first step surface, and the other end of the elastic element 24 is connected or abutted with the second step surface.

By the above arrangement, pressing the reinforcing member 22 to move the reinforcing member 22 toward the inside of the first mounting part 21 in the axial direction of the mounting hole 217, the length of the portion of the reinforcing member 22 extending out of the mounting hole 217 is shortened, and interference of the reinforcing member 22 with the cover structure 10 when the cover structure 10 is set on the case 100 can be avoided; since one end of the elastic member 24 is connected to the first step surface and the other end of the elastic member 24 is connected to the second step surface, the elastic member 24 is compressed by force. The cover plate structure 10 is covered on the case 100, so that the connecting through hole 162 is aligned with the reinforcing member 22, the reinforcing member 22 is loosened, and the elastic piece 24 is switched from the compressed state to the natural state under the action of the elastic force, and drives the reinforcing member 22 to move towards the outside of the first mounting piece 21 along the axial direction of the mounting hole 217, so that part of the structure of the reinforcing member 22 is penetrated in the connecting through hole 162 of the cover plate structure 10, thereby improving the connection strength of the cover plate structure 10 and the case 100 in the reinforcing region (namely the first mounting piece 21).

As shown in fig. 12, in an embodiment of the present utility model, the anti-drop structure includes: a drop-off preventing member 25 connected to one end of the reinforcing member 22; the stop flange 26 is arranged on the inner wall of the mounting hole 217, the end surface of the stop flange 26 forms a second step surface, and the anti-falling piece 25 is positioned on one side of the stop flange 26, which is away from the second step surface.

In the above-mentioned technical solution, the anti-falling piece 25 is a snap spring disposed on the outer periphery of the reinforcing member 22, and the outer diameter of the snap spring is larger than the outer diameter of the second section 222 of the reinforcing member 22.

Through the above arrangement, in the process that the reinforcing member 22 moves toward the outside of the first mount 21 in the axial direction of the mounting hole 217, the clip spring can abut against the end face of the stopper flange 26 to avoid that the reinforcing member 22 continues to move toward the outside of the first mount 21, thereby forming a limit for the reinforcing member 22.

The embodiment of the utility model also provides photovoltaic equipment, which comprises the explosion-proof box and an electrical element arranged in the explosion-proof box.

The photovoltaic device has all technical characteristics and all technical effects of the explosion-proof box, and the description is omitted here.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: through first installed part and second installed part, can be with box and apron structure fixed connection. By arranging the reinforcing member, the connection strength of the cover plate structure and the region (namely the reinforcing region) of the box body, which is provided with the first mounting piece, is strong, the connection strength of the cover plate structure and the region (namely the pressure relief region) of the box body, which is provided with the second mounting piece, is weak, and when explosion occurs in the box body, the explosion impact force firstly impacts the pressure relief region with weak connection strength, and as the first mounting piece is connected with the reinforcing member, the cover plate structure and the box body can be ensured to be always connected in the reinforcing region, so that the cover plate structure and the box body are prevented from being separated; in addition, the second installed part is smaller than the whole area of the cover plate structure, and compared with the scheme of only setting up the first installed part, through setting up the second installed part, the explosion impact force can concentrate in the region that is equipped with the second installed part to in the region that is equipped with the second installed part, form great pressure release mouth between box and cover plate structure, thereby realize quick pressure release.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (13)

1. An explosion-proof case, characterized by comprising:

the case comprises a case body (100) and a cover plate structure (10) which is covered on one side of the case body (100);

a first mounting member (21) and a second mounting member (31), the first mounting member (21) and the second mounting member (31) being both used for connecting the cover structure (10) and the box (100);

the reinforcing member (22) is connected with the first mounting piece (21), and the reinforcing member (22) penetrates through the cover plate structure (10) so as to increase the connection strength between the cover plate structure (10) and the box body (100) and form a reinforcing area, the area where the second mounting piece (31) is located forms a pressure relief area, and the cover plate structure (10) located in the pressure relief area can form an interval with the box body (100) when being subjected to impact force.

2. An explosion proof tank according to claim 1, wherein one end of the reinforcement member (22) is connected to the first mount (21), the other end of the reinforcement member (22) is configured to be detachably connected to the cover structure (10), and the reinforcement member (22) is telescopically arranged with respect to the first mount (21).

3. The explosion-proof tank according to claim 2, characterized in that the first mounting piece (21) is provided with a mounting hole (217) for penetrating the reinforcing member (22), and the explosion-proof tank further comprises:

an elastic piece (24) located at the periphery of the reinforcing member (22), and the elastic piece (24) can be compressed under the action of external force on the reinforcing member (22);

and the anti-falling structure is arranged between the first mounting piece (21) and the reinforcing member (22) and is used for preventing the reinforcing member (22) from being separated from the first mounting piece (21).

4. An explosion-proof tank according to claim 3, wherein the reinforcing member (22) comprises a first section (221) and a second section (222) with sequentially reduced outer diameters, a first step surface is formed between the first section (221) and the second section (222), a second step surface extending along the radial direction is arranged on the inner wall surface of the mounting hole (217), one end of the elastic piece (24) is connected with or abutted against the first step surface, and the other end of the elastic piece (24) is connected with or abutted against the second step surface.

5. The explosion proof case of claim 4, wherein the anti-drop structure comprises:

an anti-drop member (25) connected to one end of the reinforcing member (22);

and a stop flange (26) arranged on the inner wall of the mounting hole (217), wherein the end surface of the stop flange (26) forms the second step surface, and the anti-falling piece (25) is positioned on one side of the stop flange (26) away from the second step surface.

6. The explosion proof tank according to any one of claims 1 to 5, further comprising a reinforcing rib (23) connected to the first mounting member (21), the reinforcing rib (23) being for reinforcing the strength of the first mounting member (21).

7. The explosion proof tank according to any one of claims 1 to 5, wherein the first mount (21) comprises:

a first substrate (215) connected to the case (100); and

and a first connection column (216) connected with the cover plate structure (10), wherein the first connection column (216) is arranged on one side of the first substrate (215), and the reinforcing member (22) is connected with the first connection column (216).

8. The explosion-proof box according to claim 7, characterized in that the first connecting column (216) is provided with a first connecting hole (211) for being connected with the cover plate structure (10), the explosion-proof box further comprises a locking piece, the locking piece penetrates through the cover plate structure (10) and is connected with the first connecting hole (211), and the central axis of the first connecting hole (211) and the central axis of the reinforcing member (22) have an included angle.

9. The explosion proof tank according to any one of claims 1 to 5, comprising at least one first mount (21), at least one second mount (31) and at least one reinforcement member (22), wherein each first mount (21) is connected with at least one reinforcement member (22) and wherein at least one reinforcement region is provided between two adjacent pressure relief regions.

10. The explosion-proof tank according to any one of claims 1 to 5, wherein the cover structure (10) includes a top plate (15) and a peripheral side plate (16) connected to the top plate (15) and extending in a circumferential direction of the top plate (15), the first mount (21) and the second mount (31) are each connected to the top plate (15), and the reinforcing member (22) is detachably connected to the peripheral side plate (16).

11. The explosion-proof tank according to any one of claims 1 to 5, wherein the tank (100) comprises:

a bottom plate (105) and a circumferential side plate (106) connected to the bottom plate (105);

-an annular mounting plate (101), the annular mounting plate (101) and the bottom plate (105) being arranged at opposite ends of the circumferential side plate (106), and the first mounting member (21) and the second mounting member (31) being both connected with the annular mounting plate (101).

12. The explosion-proof box according to claim 11, wherein the box body (100) further comprises a bending flanging structure (102), the bending flanging structure (102) is connected with the inner wall of the annular mounting plate (101), the bending flanging structure (102) extends along the circumferential direction of the annular mounting plate (101), and the explosion-proof box further comprises an annular sealing element connected with the cover plate structure (10), and the annular sealing element is arranged corresponding to the bending flanging structure (102).

13. A photovoltaic apparatus comprising the explosion proof box of any one of claims 1 to 12 and an electrical component disposed within the explosion proof box.