CN109057647B

CN109057647B - Control cabinet

Info

Publication number: CN109057647B
Application number: CN201810994721.7A
Authority: CN
Inventors: 刘林; 邓志辉; 蔡炳涛; 马伟明; 高国友
Original assignee: Guangzhou Guangri Electricity Facilities Co Ltd
Current assignee: Guangzhou Guangri Electricity Facilities Co Ltd
Priority date: 2018-08-29
Filing date: 2018-08-29
Publication date: 2020-10-27
Anticipated expiration: 2038-08-29
Also published as: CN109057647A

Abstract

The invention discloses a control cabinet, wherein a door front plate and a door back plate are oppositely arranged in a spaced manner, so that the door front plate is prevented from being directly contacted with the door back plate, the heat transfer rate from the door front plate to the door back plate is reduced, and a better heat insulation effect is achieved. Simultaneously, be connected with first heat insulating part between door front bezel and the AND gate backplate, and first heat insulating part arranges along the circumference of door backplate, can know from this, be connected with annular or approximate annular first heat insulating part between door front bezel and the AND gate backplate, so, not only make door front bezel and AND gate backplate mutual stabilization be connected, make the thermal-insulated effect of door front bezel AND gate backplate all around better moreover, thereby be favorable to making the thermal-insulated effect of the fire prevention at the position all around of door leaf better. In addition, the door leaf is provided with a heat insulation cavity, and a second heat insulation piece is arranged in the heat insulation cavity, so that the heat insulation effect of the middle part or the position close to the middle part of the door leaf is improved. So for the whole thermal-insulated effect of door leaf is showing and is improving, thereby be favorable to improving the fire prevention function of switch board more.

Description

Control cabinet

Technical Field

The invention relates to the technical field of cabinet bodies, in particular to a control cabinet.

Background

The control cabinet is a closed or semi-closed metal cabinet or screen provided with switch equipment, measuring instruments, protective electrical appliances or auxiliary equipment. The control cabinet is generally used for power supply or electrical control facilities in modern buildings, and one or a group of electrical facilities are controlled by the control cabinet so as to meet the normal living requirements of people. However, the traditional control cabinet does not have the fireproof function, and once a fire accident happens, the fire can stretch into the control cabinet, so that not only the electric facilities in the control cabinet are burnt, but also the secondary accident is easily caused.

Disclosure of Invention

Based on this, it is necessary to provide a control cabinet with fireproof and heat insulation functions.

The technical scheme is as follows:

a door leaf, comprising: a door back panel; the door front plate and the door back plate are oppositely arranged in a spaced mode, a first heat insulation piece is arranged between the door front plate and the door back plate in an extending mode along the circumferential direction of the door back plate, and the door front plate, the first heat insulation piece and the door back plate are sequentially connected; and a heat insulation cavity is formed by enclosing the door front plate, the first heat insulation piece and the door back plate, and a second heat insulation piece is arranged in the heat insulation cavity.

Foretell door leaf separates the setting with door front bezel and door backplate relatively, avoids door front bezel and door backplate direct contact, has reduced the rate that the door front bezel transmits heat to the door backplate to reach better thermal-insulated effect. Simultaneously, be connected with first heat insulating part between door front bezel and the AND gate backplate, and first heat insulating part arranges along the circumference of door backplate, can know from this, be connected with annular or approximate annular first heat insulating part between door front bezel and the AND gate backplate, so, not only make door front bezel and AND gate backplate mutual stabilization be connected, make the thermal-insulated effect of door front bezel AND gate backplate all around better moreover, thereby be favorable to making the thermal-insulated effect of the fire prevention at the position all around of door leaf better. In addition, the door leaf is provided with a heat insulation cavity, and a second heat insulation piece is arranged in the heat insulation cavity, so that the heat insulation effect of the middle part or the position close to the middle part of the door leaf is improved. So, this door leaf is through setting up first heat-insulating part and second heat-insulating part between door front bezel and door backplate for the whole thermal-insulated effect of door leaf is showing and is improving, thereby is favorable to improving the fire prevention function of switch board more.

In one embodiment, a support assembly is arranged on one side surface of the door front plate facing the door back plate and extends along the circumferential direction of the door front plate, and one end of the support assembly, which is far away from the door front plate, is connected with the first heat insulation piece.

In one embodiment, the support assembly comprises a support part and an abutting part, the abutting part is connected with the door front plate through the support part, and the abutting part abuts against the first heat insulation part.

In one embodiment, a reinforcing member is arranged between the abutting member and the door front plate, one end of the reinforcing member is connected with the door front plate, and the other end of the reinforcing member abuts against the abutting member.

In one embodiment, the reinforcing member comprises a first side plate, a second side plate and a connecting plate connected between the first side plate and the second side plate, the first side plate is abutted against the abutting member, and the second side plate is connected with the door front plate; the connecting plate and the supporting piece are arranged oppositely at intervals, and one side face of the connecting plate is attached to one side face of the second heat insulation piece.

A control cabinet, includes above-mentioned door leaf, still includes: the door leaf can be opened and arranged on the first frame body; and the cabinet body, the first framework is installed on the cabinet body, and a third heat insulation piece is arranged between the first framework and the cabinet body.

Foretell switch board will have the door leaf of thermal-insulated effect and open and install on first framework for the heat transfer rate of heat from door leaf to first framework reduces, has formed first thermal-insulated flame retardant coating for the switch board in the conflagration. Meanwhile, the first frame body is arranged on the cabinet body, the third heat insulation piece is arranged between the first frame body and the cabinet body, the heat transfer rate between the first frame body and the cabinet body is reduced through the third heat insulation piece, and a second heat insulation fireproof layer is formed for the control cabinet in a fire disaster.

In one embodiment, the first frame body comprises a first bottom plate and a third side plate extending along the circumferential direction of the first bottom plate, and the first bottom plate is mounted on the cabinet body; the door leaf can be opened and arranged on the inner side surface of the third side plate.

In one embodiment, the control cabinet further comprises a second frame body, the second frame body is mounted on the first frame body, and a fourth heat insulation piece is arranged between the second frame body and the first frame body; the door leaf is openably mounted on an inner side surface of the second frame body.

In one embodiment, the first frame body comprises a first bottom plate and a third side plate extending along the circumferential direction of the first bottom plate, and the first bottom plate is mounted on the cabinet body; the second frame body comprises a fourth side plate, a fifth side plate and a second bottom plate which is connected with the fourth side plate and the fifth side plate, the fourth side plate, the fifth side plate and the second bottom plate enclose a slot, the third side plate is inserted into the slot and is connected with the fourth side plate, and a fourth heat insulation piece is arranged between the third side plate and the fourth side plate.

In one embodiment, a sealing member is disposed between the first frame and the door leaf.

Drawings

Fig. 1 is a schematic view of a control cabinet according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the control cabinet of FIG. 1 taken along the line A-A;

FIG. 3 is an enlarged view of the structure at circle B in FIG. 2;

fig. 4 is a schematic structural diagram of another view angle of the control cabinet according to an embodiment of the present invention.

Description of reference numerals:

100. control cabinet, 110, door leaf, 111, lock, 112, hinge, 113, door front panel, 114, door back panel, 115, first heat insulating part, 116, heat insulating cavity, 117, second heat insulating part, 118, supporting component, 1181, conflict piece, 1182, support piece, 119, reinforcement, 1191, first curb plate, 1192, connecting plate, 1193, second curb plate, 120, the cabinet body, 121, third heat insulating part, 130, second framework, 131, fourth curb plate, 132, second bottom plate, 133, fifth curb plate, 134, slot, 140, first framework, 141, fourth heat insulating part, 142, first bottom plate, 143, third curb plate, 144, sealing member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, 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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.

In one embodiment, referring to fig. 1, fig. 2 and fig. 3, a door leaf 110 includes: door back panel 114 and door front panel 113. Door front panel 113 and door backplate 114 are set up at a distance from each other relatively, and door front panel 113 and door backplate 114 extend along the circumference of door backplate 114 between set up first heat insulating part 115, and door front panel 113, first heat insulating part 115 and door backplate 114 connect gradually. An insulating chamber 116 is defined between the door front 113, the first insulating member 115 and the door back 114. The insulating chamber 116 houses a second insulating member 117.

Above-mentioned door leaf 110 separates door front 113 and door backplate 114 relatively and sets up, avoids door front 113 and door backplate 114 direct contact, has reduced door front 113 to the thermal rate of door backplate 114 transmission to reach better thermal-insulated effect. Meanwhile, a first heat insulation part 115 is connected between the door front plate 113 and the door back plate 114, and the first heat insulation part 115 is arranged along the circumferential direction of the door back plate 114, so that the annular or approximately annular first heat insulation part 115 is connected between the door front plate 113 and the door back plate 114, so that the door front plate 113 and the door back plate 114 are stably connected with each other, the heat transfer rate between the periphery of the door front plate 113 and the periphery of the door back plate 114 is greatly reduced, the heat insulation effect between the periphery of the door front plate 113 and the periphery of the door back plate 114 is better, and the fireproof heat insulation effect of the periphery of the door leaf 110 is better. In addition, the door leaf 110 has a heat insulation chamber 116, and a second heat insulation member 117 is installed in the heat insulation chamber 116, so that the heat insulation effect is improved at the middle or approximately middle position of the door leaf 110. Thus, the first heat insulation element 115 and the second heat insulation element 117 are disposed between the door front panel 113 and the door back panel 114 of the door leaf 110, so that the overall heat insulation effect of the door leaf 110 is significantly improved, and the improvement of the fireproof function of the control cabinet 100 is further facilitated. Specifically, in the present embodiment, the door front plate 113 and the door back plate 114 are connected to each other by a fixing member penetrating through the door front plate 113, the first thermal insulation member 115 and the door back plate 114, wherein the fixing member may be a bolt, a rivet, a nut, a pin or other fixing members. In addition, the door front plate 113 and the door back plate 114 in this embodiment are formed by bending 310 stainless steel with high strength.

Optionally, the first thermal insulation element 115 and the second thermal insulation element 117 are ceramic fiber boards, nanoporous thermal insulation boards, asbestos boards, gypsum boards, or other thermal insulation boards.

Specifically, since the heavily heated portion of the door leaf 110 is substantially concentrated in the middle or approximately the middle of the door leaf 110 in a fire, the first heat insulation member 115 is made of a ceramic fiber board, and the second heat insulation member 117 is made of a nano-microporous heat insulation board, so that the heat insulation effect of the door leaf 110 is well improved, and the heat insulation material in the door leaf 110 is reasonably distributed and utilized.

Further, a support member 118 is provided on a side surface of the door front plate 113 facing the door back plate 114, extending along the circumferential direction of the door front plate 113. The end of the support assembly 118 remote from the door front panel 113 is connected to a first thermal shield 115. Thus, the support assembly 118 allows the door front plate 113 to be more stably mounted on the door back plate 114. Meanwhile, the door front plate 113 and the door back plate 114 are sufficiently separated, so that the heat transfer rate between the door front plate 113 and the door back plate 114 is greatly reduced, and the heat insulation effect of the door leaf 110 is improved.

Further, referring to fig. 2 and 3, the supporting assembly 118 includes a supporting member 1182 and an abutting member 1181. The abutting member 1181 is connected to the door front 113 by a supporting member 1182, and the abutting member 1181 abuts against the first heat insulator 115. Therefore, the supporting member 1182 and the abutting member 1181 are used to more stably connect the door front plate 113 to the door back plate 114, which is beneficial to improving the overall structural strength of the door leaf 110. Specifically, in the present embodiment, the supporting member 1182 and the abutting member 1181 are both disposed to extend along the circumferential direction of the door front plate 113, that is, the supporting member 1182 and the abutting member 1181 are both of an annular or square frame structure.

In a specific embodiment, in order to make the structure of the door leaf 110 more stable, the present embodiment bends four sides of the door back plate 114, so that the bent four sides of the door back plate 114 can be wrapped around the first thermal insulation element 115, and the specific structure can refer to fig. 2 and 3.

In one embodiment, a reinforcement 119 is disposed between the interference member 1181 and the door front 113. One end of the reinforcement 119 is connected to the door front 113, and the other end of the reinforcement 119 abuts against the abutting member 1181. So, make door leaf 110 structural strength higher through reinforcement 119, avoid door leaf 110 to take place distortion in the conflagration, be favorable to improving door leaf 110 structural stability. Specifically, in the present embodiment, the reinforcing member 119 is provided to extend along the circumferential direction of the door front panel 113, that is, the reinforcing member 119 of the present embodiment is a frame structure. The reinforcing member 119 according to the present embodiment is formed by bending a high-strength cold-rolled galvanized steel sheet.

Further, referring to fig. 3, the reinforcement 119 includes a first side plate 1191, a second side plate 1193, and a connecting plate 1192 connected between the first side plate 1191 and the second side plate 1193. The first side plate 1191 abuts against the abutting piece 1181. The second side plate 1193 is connected to the door front plate 113. It can be seen that the first side plate 1191, the second side plate 1193 and the connecting plate 1192 form a reinforcement 119 with a U-shaped or substantially U-shaped cross section, so that the connection between the door front plate 113 and the door back plate 114 is more stable by the reinforcement 119. The connection plate 1192 is spaced apart from the support member 1182, and a side of the connection plate 1192 is attached to a side of the second thermal insulation member 117. Therefore, the reinforcement 119 stably supports the door front panel 113 and the door back panel 114, and meanwhile, the reinforcement 119 is attached to one side surface of the second heat insulation member 117 through the connection plate 1192, so that the second heat insulation member 117 is prevented from moving in the heat insulation cavity 116, and the structure of the door leaf 110 is more compact, which is beneficial to improving the stability of the structure of the door leaf 110.

In one embodiment, the door leaf 110 is provided with a door lock 111, and the door leaf 110 can be locked by the door lock 111. Meanwhile, the door lock 111 is a fireproof lock.

In one embodiment, referring to fig. 1 and 4, a control cabinet 100 includes a first frame 140, a cabinet body 120, and a door leaf 110 in any of the above embodiments. The door 110 can be opened and installed on the first frame 140. The first frame 140 is disposed on the cabinet 120, and a third heat insulation member 121 is disposed between the first frame 140 and the cabinet 120.

In the control cabinet 100, the door 110 with the heat insulation effect can be opened and installed on the first frame 140, so that the heat transfer rate from the door 110 to the first frame 140 is reduced, and a first heat insulation fireproof layer is formed for the control cabinet 100 in a fire. Meanwhile, the first frame body 140 is mounted on the cabinet body 120, the third heat insulation member 121 is disposed between the first frame body 140 and the cabinet body 120, the heat transfer rate between the first frame body 140 and the cabinet body 120 is reduced by the third heat insulation member 121, and a second heat insulation fireproof layer is formed for the control cabinet 100 in a fire, so that the control cabinet 100 forms two heat insulation fireproof layers by disposing the first frame body 140 between the door leaf 110 and the cabinet body 120, thereby making the fireproof effect of the control cabinet 100 better. Specifically, in the present embodiment, the first frame 140 is integrally welded by using high-strength 310 stainless steel; the cabinet 120 is made of a high-strength cold-rolled galvanized steel sheet. In addition, the door 110 is rotatably mounted on the first cabinet 120 through a hinge 112, so that the door 110 can be opened and closed easily. The third thermal insulation member 121 may be a ceramic fiber board, a nano-porous thermal insulation board, an asbestos board, a gypsum board, or other thermal insulation boards, and specifically, in this embodiment, the third thermal insulation member 121 is a ceramic fiber board.

Further, the first frame 140 includes a first bottom plate 142 and a third side plate 143 extending along a circumferential direction of the first bottom plate 142. The first bottom plate 142 is mounted on the cabinet 120. The door 110 is openably mounted on an inner side surface of the third side plate 143. Therefore, in the embodiment, the door leaf 110 is disposed on the inner side surface of the third side plate 143, so as to prevent the door leaf 110 from being exposed outside the third side plate 143 too much and increasing the contact area between the door leaf 110 and fire, which is beneficial to reducing the heated area of the door leaf 110, and thus the control cabinet 100 has a better fireproof effect.

In one embodiment, the control cabinet 100 further includes a second frame 130. The second frame 130 is mounted on the first frame 140, and a fourth heat insulation member 141 is disposed between the second frame 130 and the first frame 140. As can be seen, the fourth heat insulator 141 is disposed between the second housing 130 and the first housing 140, and the fourth heat insulator 141 reduces the heat transfer rate between the first housing 140 and the second housing 130, thereby forming a third heat-insulating fireproof layer for the control cabinet 100 in a fire. Meanwhile, the door 110 is openably mounted on the inner side of the second frame 130. Therefore, the control cabinet 100 forms three heat-insulating and fireproof layers by disposing the first frame 140 and the second frame 130 between the door 110 and the cabinet body 120, so as to prevent the door 110 from being directly mounted on the cabinet body 120, and thus the control cabinet 100 has better fireproof and heat-insulating effects. Specifically, in this embodiment, the second frame 130 is integrally welded by using 310 stainless steel having high strength. The fourth heat insulating element 141 may be a ceramic fiber board, a nano-porous heat insulating board, an asbestos board, a gypsum board, or other heat insulating boards, and specifically, in this embodiment, the fourth heat insulating element 141 is a ceramic fiber board.

Further, the first frame 140 includes a first bottom plate 142 and a third side plate 143 extending along a circumferential direction of the first bottom plate 142. The first bottom plate 142 is mounted on the cabinet 120. The second frame 130 includes a fourth side plate 131, a fifth side plate 133, and a second bottom plate 132 connecting the fourth side plate 131 and the fifth side plate 133. The fourth side plate 131, the fifth side plate 133 and the second bottom plate 132 enclose a slot 134. The third side plate 143 is inserted into the insertion groove 134, the third side plate 143 is connected to the fourth side plate 131, and a fourth heat insulating member 141 is disposed between the third side plate 143 and the fourth side plate 131. Therefore, the third side plate 143 is completely surrounded by the second frame 130, so that the heat is easily transferred to the cabinet 120 due to the fact that the third side plate 143 is directly exposed to a fire, and the fire-proof effect of the cabinet 120 is improved.

Specifically, a side of the second bottom plate 132 facing away from the first bottom plate 142 and a side of the door front plate 113 facing away from the door back plate 114 are located on the same plane, so that the overall structure of the cabinet 120 is more compact, which is beneficial to improving the overall effect of the cabinet 120, and the door leaf 110 is effectively prevented from protruding out of the second frame 130, so that the contact area between the door leaf 110 and a fire disaster is greatly reduced, thereby being beneficial to improving the fireproof effect of the cabinet 120. In addition, the fourth side plate 131 and the third side plate 143 are connected by a fixing member penetrating through the third side plate 143, the fourth side plate 131 and the fourth heat insulation member 141, wherein the fixing member may be a bolt, a rivet, a nut, a pin or other fixing members.

In one embodiment, a seal 144 is disposed between the first frame 140 and the door 110. Thus, the sealing member 144 fills up the gap between the first frame 140 and the door leaf 110, and forms a first sealing layer for the cabinet 120, so that the fire cannot spread to the inside of the cabinet 120 from the gap, which is beneficial to improving the fireproof effect of the cabinet 120. Specifically, in this embodiment, the sealing member 144 is a fire-proof expansion strip, and when a fire occurs, the fire-proof expansion strip is expanded by heat, so as to fill up the gap between the first frame 140 and the door 110, and insulate the inside of the cabinet 120 from the fire, which is more beneficial to improving the fire-proof effect of the cabinet 120.

In one embodiment, a sealing member 144 is also disposed between the first frame 140 and the second frame 130, and the sealing member 144 reduces or eliminates a gap between the first frame 140 and the second frame 130, so that fire cannot spread from the gap, thereby forming a second sealing layer for the cabinet 120. Thus, the sealing member 144 is beneficial to improve the fire protection effect of the cabinet 120.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A control cabinet, comprising:

the door leaf comprises a door back plate and a door front plate, the door front plate and the door back plate are arranged in a relatively spaced mode, a first heat insulation piece is arranged between the door front plate and the door back plate and extends along the circumferential direction of the door back plate, and the door front plate, the first heat insulation piece and the door back plate are sequentially connected; a heat insulation cavity is defined among the door front plate, the first heat insulation piece and the door back plate, and a second heat insulation piece is arranged in the heat insulation cavity; a support assembly is arranged on one side surface, facing the door back plate, of the door front plate and extends along the circumferential direction of the door front plate, and one end, far away from the door front plate, of the support assembly is connected with the first heat insulation piece;

the door leaf can be opened and arranged on the first frame body;

the first frame body is arranged on the cabinet body, and a third heat insulation piece is arranged between the first frame body and the cabinet body; the first frame body comprises a first bottom plate and a third side plate which extends along the circumferential direction of the first bottom plate, and the first bottom plate is arranged on the cabinet body; the door leaf can be opened and arranged on the inner side surface of the third side plate.

2. The control cabinet according to claim 1, further comprising a second frame, wherein the second frame is mounted on the first frame, and a fourth thermal insulation member is disposed between the second frame and the first frame; the door leaf is openably mounted on an inner side surface of the second frame body.

3. The control cabinet according to claim 2, wherein the first frame body comprises a first bottom plate and a third side plate extending along a circumferential direction of the first bottom plate, and the first bottom plate is mounted on the cabinet body; the second frame body comprises a fourth side plate, a fifth side plate and a second bottom plate which is connected with the fourth side plate and the fifth side plate, the fourth side plate, the fifth side plate and the second bottom plate enclose a slot, the third side plate is inserted into the slot and is connected with the fourth side plate, and a fourth heat insulation piece is arranged between the third side plate and the fourth side plate.

4. The control cabinet of claim 3, wherein a side of the second bottom panel facing away from the first bottom panel is coplanar with a side of the door front panel facing away from the door back panel.

5. The control cabinet of any one of claims 1-4, wherein a seal is disposed between the first frame and the door leaf.

6. The control cabinet of claim 1, wherein the support assembly comprises a support member and an abutment member, the abutment member is connected to the door front plate via the support member, and the abutment member abuts the first thermal shield.

7. The control cabinet according to claim 6, wherein a reinforcing member is provided between the abutting member and the door front plate, one end of the reinforcing member is connected to the door front plate, and the other end of the reinforcing member abuts against the abutting member.

8. The control cabinet according to claim 7, wherein the reinforcing member comprises a first side plate, a second side plate, and a connecting plate connected between the first side plate and the second side plate, the first side plate abuts against the abutting member, and the second side plate is connected with the door front plate.

9. The control cabinet of claim 8, wherein the connecting plate is spaced opposite the support member and a side of the connecting plate abuts a side of the second insulating member.

10. The control cabinet of claim 1, wherein four sides of the door back plate are bent to cover the periphery of the first heat insulating member.