CN112781168A - Quick-mounting type explosion-proof distribution box and industrial explosion-proof air curtain machine - Google Patents
Quick-mounting type explosion-proof distribution box and industrial explosion-proof air curtain machine Download PDFInfo
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- CN112781168A CN112781168A CN202110128828.5A CN202110128828A CN112781168A CN 112781168 A CN112781168 A CN 112781168A CN 202110128828 A CN202110128828 A CN 202110128828A CN 112781168 A CN112781168 A CN 112781168A
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- 230000006835 compression Effects 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 9
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 claims description 9
- 241000761557 Lamina Species 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 8
- 230000002265 prevention Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F9/00—Use of air currents for screening, e.g. air curtains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention provides a quick-mounting type explosion-proof distribution box and an industrial explosion-proof air curtain machine. The explosion-proof distribution box comprises a cover plate and a box body, a binding post is arranged on the outer wall of the box body, a wire pipe is installed on the binding post through a wire pipe joint, the wire pipe joint comprises a compression joint, a gasket and an elastic column, the elastic column is compressed to the outer wall of the box body through the compression joint, the outer side wall of the elastic column is attached to the hole wall of a binding post hole of the binding post, the inner side wall of the elastic column is attached to the pipe wall of the wire pipe, and the fastening connection of the binding. The invention has simple structure, simple and convenient installation and good sealing performance, can effectively ensure the safety and the effectiveness of the explosion-proof device, and is particularly suitable for industrial places with high requirements on explosion-proof performance.
Description
Technical Field
The invention relates to the technical field of air curtain machines, in particular to a quick-mounting type explosion-proof distribution box and an industrial explosion-proof air curtain machine.
Background
The explosion-proof air curtain machine is suitable for places which are easy to deflagrate, such as chemical industry, chemical workshop, fine workshop and spray painting, and has the functions of dust prevention, heat insulation and prevention of insect invasion. The machine can separate indoor and outdoor air, is convenient to come in and go out, can prevent cold and hot air exchange indoors and outdoors, has the effects of dust prevention and pollution prevention, and is widely applied to industries such as electronics, instruments, pharmacy, food, precision processing, chemical engineering, shoemaking, service, commerce and the like. The common air curtain machine adopts a conventional motor, sparks are easy to generate during working, and the air curtain machine cannot be used in places with explosion risks. Although the existing explosion-proof air curtain machine can be explosion-proof to a certain extent, when the existing explosion-proof air curtain machine is applied to occasions with large dust in industry, the internal explosion-proof device is easily worn by the influence of external dust, and the assembly is difficult, so that the improvement is needed.
Disclosure of Invention
The invention aims to provide a quick-mounting type explosion-proof distribution box and an industrial explosion-proof air curtain machine, which have the advantages of simple structure, simplicity and convenience in installation and good sealing performance, can effectively ensure the effectiveness and safety of an explosion-proof device, and are particularly suitable for industrial places with high requirements on explosion-proof performance.
The purpose of the invention can be realized by the following technical scheme:
a quick-mounting type explosion-proof distribution box comprises a cover plate and a box body, wherein the box body is of a shell structure with a mounting opening in the top, the bottom of the box body is fixedly connected with the top of a machine shell, the cover plate is mounted at the mounting opening end of the box body to block the mounting opening, a wire through hole is formed in the side wall of the box body, a binding post is arranged on the outer wall of the box body corresponding to the wire through hole, and a binding post hole which is coaxial with the wire through hole and has a larger aperture than the wire through hole is formed in the binding post; the spool is installed through the spool joint on the terminal, the spool connects including having compressing joint, gasket and elasticity post, the elasticity post has the cylindrical elastic component in elasticity post hole for the middle part, and the aperture in elasticity post hole is less than the fenestrate aperture of line on the box, and the gasket has the fenestrate disc-shaped structure of gasket for the middle part, compresses tightly to connect to have for the middle part and connects fenestrate cylindricality structure, its one end has cylindricality joint portion, and elasticity post, gasket and the cylindricality joint portion that compresses tightly the joint locate in proper order in the terminal hole of box, the spool passes in proper order and compresses tightly the joint perforation of joint, the gasket perforation of gasket, the elasticity post hole of elasticity post and the line perforation of box, compresses tightly the elasticity post to the outer wall of box through the cylindricality joint portion that compresses tightly the joint, makes the elasticity post expand along radial pressurized, and the lateral wall in the terminal hole of, And the inner side wall of the elastic column is attached to the pipe wall of the line pipe to realize the fastening connection of the wiring terminal and the line pipe.
Preferably, the inner wall of the terminal hole of the terminal is provided with inner wall threads, and the cylindrical joint part of the compression joint in the wire pipe joint is provided with outer wall threads and is in threaded connection with the terminal hole of the terminal.
Preferably, explosion-proof distribution box's box has coaxial setting ring end plate for cylindrical shell structure, on its installing port end's the outer wall, and ring end plate's limit portion has a plurality of even end plate mounting holes that set up, the end plate mounting hole that the limit portion of apron corresponds ring end plate has a plurality of apron mounting holes, and the apron passes through the end plate mounting hole and the connecting bolt fastening installation of apron mounting hole, ring end plate on the box.
An industrial explosion-proof air curtain machine comprises a machine shell, a control panel and the quick-mounting explosion-proof distribution box, wherein the machine shell is of a long strip-shaped shell structure, a plurality of air inlets are formed in the front face of the machine shell, an air outlet is formed in the bottom of the machine shell close to the front, a cross flow fan is arranged in the machine shell and comprises a fan main body, a fan motor and a fan control line, the fan control line is electrically connected with the control panel, the fan main body of the cross flow fan is driven by the fan motor to rotate, and air flow is output from the air outlet of the machine shell to form an air curtain; the explosion-proof distribution box is fixed right above the shell, the side wall of the box body is provided with 2 wire through holes which are respectively communicated with 2 wire pipes, the 2 wire pipes are respectively used as a control wire pipe and a power wire pipe, and the tail end of the control wire pipe penetrates into the shell to connect the shell with the explosion-proof distribution box; the control panel is arranged in the explosion-proof distribution box, and a fan control line penetrates into the explosion-proof distribution box from the shell through a control line pipe; the power line penetrates out through the power line pipe of the explosion-proof distribution box.
Preferably, the bottom both sides of the box of explosion-proof block terminal have 2 alar parts that the symmetry set up, the alar part is close to the structure that sets up to the middle part and have rectangular shape mounting groove by 2 pterygoid laminas, and 2 alar parts that the top of casing corresponds explosion-proof block terminal have the casing mounting hole, explosion-proof block terminal passes through mounting groove, casing mounting hole and mounting bolt fastening installation on the casing.
Preferably, the crossflow blower comprises 2 sets of crossflow blowers which are symmetrically arranged in the casing from left to right, and blower motors of the 2 sets of crossflow blowers are close to and arranged near the middle part in the casing.
Preferably, the control conduit on the explosion-proof distribution box penetrates into the machine shell from the position near the middle of the top of the machine shell.
Preferably, the power supply wire pipe on the explosion-proof distribution box extends to the back of the casing.
The invention has the following prominent substantive features and remarkable progress:
1. according to the quick-mounting type explosion-proof distribution box, the elastic column, the gasket and the compression joint are sequentially arranged in the wiring terminal hole to realize hole wall leaning and pipe wall leaning, so that the wiring terminal is tightly connected with a pipeline, the sealing degree of the explosion-proof distribution box is improved, dust is prevented from entering the explosion-proof distribution box, an explosion-proof device is not easy to wear, and the explosion-proof effect is good.
2. According to the quick-mounting type explosion-proof distribution box, the threads on the inner wall of the wiring column hole are matched with the threads on the outer wall of the compression joint, so that the wire tube installation difficulty of the explosion-proof distribution box is reduced, the wiring time of a pipeline is saved, and the working efficiency is improved.
3. The industrial explosion-proof air curtain machine adopts the explosion-proof distribution box with a sealed box structure, the explosion-proof distribution box is fixed above the machine shell, and the control panel is arranged in the explosion-proof distribution box, so that the abrasion of explosion-proof control caused by the influence of dust inside and outside the machine shell is avoided, and the industrial explosion-proof air curtain machine has the characteristics of good explosion-proof performance, high safety and reliability and long service life of the machine body.
4. According to the industrial explosion-proof air curtain machine, the cover plate and the box body of the explosion-proof distribution box and the box body and the shell are in butt joint through the holes and then are in bolt fastening connection, so that the installation and maintenance are simple and convenient, and the overall sealing performance of the explosion-proof distribution box is further improved.
5. The industrial explosion-proof air curtain machine adopts the cross-flow fans which are arranged in the casing in a bilateral symmetry mode, has the characteristic of large width of an air curtain, can effectively block outdoor gas, dust, heat waves, cold tides and the like, and has good air curtain blocking effect.
Drawings
Fig. 1 is a schematic view of an external structure of an industrial type explosion-proof air curtain machine of the present invention.
Fig. 2 is a schematic view of the internal structure of the industrial explosion-proof air curtain machine of the present invention.
Fig. 3 is a schematic view of the back structure of the industrial explosion-proof air curtain machine of the present invention.
Fig. 4 is a partially enlarged view of the explosion proof power distribution box of fig. 3.
Fig. 5 is a cross-sectional view (in an untwisted state) of the quick-install explosion-proof electric box of the present invention.
Fig. 6 is a cross-sectional view (in a screwed state) of the quick-install explosion-proof electric box of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
Examples
Referring to fig. 1 to 4, an industrial explosion-proof air curtain machine includes a housing 1, a control board (not shown) and an explosion-proof distribution box 3, wherein the control board is disposed in the explosion-proof distribution box 3. The casing 1 is of a long strip-shaped casing structure, the front surface of the casing 1 is provided with a plurality of air inlets 11, and the bottom of the casing 1 is provided with an air outlet close to the front. Explosion-proof block terminal 3 is fixed in directly over casing 1, and explosion-proof block terminal 3 is including apron 31 and box 32, has 2 line perforation on the lateral wall of box 32 and connects respectively to lead to and have control spool 4 and power spool 5, and control spool 4 is penetrated near the middle part at casing 1 top and is linked together with explosion-proof block terminal 3 in the casing 1 by casing 1 top, and power spool 5 extends to the back of casing 1, and power cord (not shown in the figure) is worn out through power spool 5.
Referring to fig. 2 and 4, 2 cross flow fans are arranged in the casing 1, the cross flow fans are bilaterally symmetric, each cross flow fan includes a fan main body 21, a fan motor 22 and a fan control line (not shown), and the fan motors 22 of the 2 cross flow fans are arranged near the middle part in the casing 1. A fan control line penetrates into the explosion-proof distribution box 3 from the interior of the machine shell 1 through the control line pipe 4, the fan control line is electrically connected with the control panel, and a fan main body 21 of the cross flow fan is driven by a fan motor 22 to rotate and outputs airflow from an air outlet of the machine shell 1 to form an air curtain.
The box body 32 of the explosion-proof distribution box 3 is a cylindrical shell structure with a mounting opening 33 at the top, the bottom of the box body is fixedly connected with the top of the machine shell 1, and the cover plate 31 is mounted at the mounting opening 33 end of the box body 32 to block the mounting opening 33. The outer wall of the end of the mounting opening 33 is provided with a coaxially arranged annular end plate 34, the edge part of the annular end plate 34 is provided with a plurality of evenly arranged end plate mounting holes 35, the edge part of the cover plate 31 is provided with a plurality of cover plate mounting holes 36 corresponding to the end plate mounting holes 35 of the annular end plate 34, and the cover plate 31 is tightly mounted on the box body 32 through the cover plate mounting holes 36, the end plate mounting holes 35 of the annular end plate 34 and the connecting bolts 9. The bottom both sides of box 32 have 2 alar parts that the symmetry set up, and the alar part is close to the structure that sets up to the middle part and have rectangular shape mounting groove 38 by 2 pterygoid laminas 37, and 2 alar parts that the top of casing 1 corresponds explosion-proof distribution box 3 have the casing mounting hole, and explosion-proof distribution box 3 passes through mounting groove 38, casing mounting hole and mounting bolt 91 fastening installation on casing 1.
Referring to fig. 5, the explosion-proof distribution box 3 is a quick-mounting type explosion-proof distribution box, 2 wire perforations provided on the side wall of the box body 32 are wire perforations 320, a binding post 321 is provided on the outer wall of the box body 32 corresponding to the wire perforations 320, and a binding post hole 322 which is coaxial with the wire perforations 320 and has a larger diameter than the wire perforations 320 is provided in the binding post 321. The wiring pipe is arranged on the wiring terminal 321 through a wiring pipe joint, and the wiring pipe joint comprises a compression joint 6, a gasket 7 and an elastic column 8. The elastic column 8 is a cylindrical elastic member with an elastic column hole 80 in the middle, and the diameter of the elastic column hole 80 is smaller than that of the through-line hole 320 on the box 32. The gasket 7 has a disc-shaped structure with a gasket penetration hole 70 in the middle. The compression joint 6 is a cylindrical structure having a joint through-hole 60 in the middle and a cylindrical joint portion 61 at one end thereof. The elastic column 8, the spacer 7, and the cylindrical joint portion 61 of the compression joint 6 are disposed in the terminal hole 322 of the case 32 in this order. The conduit sequentially passes through the joint through hole 60 of the compression joint 6, the gasket through hole 70 of the gasket 7, the elastic column hole 80 of the elastic column 8 and the line through hole 320 of the box body 32, the elastic column 8 is compressed to the outer wall of the box body 32 through the cylindrical joint part 61 of the compression joint 6, the elastic column 8 is compressed to expand radially, the outer side wall of the elastic column 8 is attached to the hole wall of the terminal hole 322 of the terminal 321, and the inner side wall of the elastic column 8 is attached to the pipe wall of the conduit. The inner wall of the terminal hole 322 is provided with inner wall threads, and the cylindrical joint part 61 of the compression joint 6 in the conduit joint is provided with outer wall threads and is connected in the terminal hole 322 of the terminal 321 in a threaded manner, so that the fastening connection between the terminal 321 and the conduit is realized, as shown in fig. 6 in particular.
The air curtain machine is used in an industrial explosion-proof environment, the explosion-proof distribution box 3 of a sealed box body structure is fixed above the machine shell 1, and the control panel is arranged in the explosion-proof distribution box 3, so that the influence of dust inside and outside the machine shell of the air curtain machine on the explosion-proof performance of the air curtain machine can be blocked, the use safety of the air curtain machine is improved, and the abrasion degree of an explosion-proof control device is reduced. Meanwhile, the quick-mounting type explosion-proof distribution box is adopted, during assembly, the elastic column 8, the gasket 7 and the compression joint 6 are sequentially placed into the wiring column hole 322 of the box body 32, the spool sequentially penetrates through the compression joint 6, the gasket 7 and the elastic column 8, the compression joint 6 is rotated, the outer wall thread of the compression joint 6 is connected with the inner wall thread of the wiring column hole 322, the gasket 7 and the elastic column 8 are compressed after connection, and quick assembly of the explosion-proof distribution box is achieved.
Claims (8)
1. The utility model provides an explosion-proof block terminal of quick-mounting type, its is including apron (31) and box (32), and box (32) have the shell structure of installing port (33), the top fixed connection of its bottom and casing (1) for the top, and installing port (33) end in box (32) is installed in apron (31) and is kept off installing port (33), has line perforation (320), its characterized in that on the lateral wall of box (32): a binding post (321) is arranged on the outer wall of the box body (32) corresponding to the wire through hole (320), and a binding post hole (322) which is coaxial with the wire through hole (320) and has a larger aperture than the wire through hole (320) is arranged in the binding post (321);
the wiring pipe is installed on the wiring terminal (321) through a wiring pipe joint, the wiring pipe joint comprises a compression joint (6), a gasket (7) and an elastic column (8), the elastic column (8) is a cylindrical elastic part with an elastic column hole (80) in the middle, the aperture of the elastic column hole (80) is smaller than that of a line through hole (320) on the box body (32), the gasket (7) is of a disc-shaped structure with a gasket through hole (70) in the middle, the compression joint (6) is of a cylindrical structure with a joint through hole (60) in the middle and one end of the cylindrical structure is provided with a cylindrical joint part (61), the elastic column (8), the gasket (7) and the cylindrical joint part (61) of the compression joint (6) are sequentially arranged in the wiring column hole (322) of the box body (32),
the spool passes joint perforation (60) that compresses tightly joint (6), the gasket perforation (70) of gasket (7), the elasticity post hole (80) of elasticity post (8) and the line perforation (320) of box (32) in proper order, the cylindricality portion of connecting (61) through compressing tightly joint (6) compresses tightly elasticity post (8) to the outer wall of box (32), make elasticity post (8) pressurized along radial expansion, the lateral wall of elasticity post (8) pastes with the pore wall in terminal hole (322) of terminal (321) and the inside wall of elasticity post (8) pastes with the pipe wall of spool and pastes and realize the fastening connection of terminal (321) and spool.
2. The quick-install explosion-proof power distribution box according to claim 2, characterized in that: the inner wall of a wiring column hole (322) of the wiring column (321) is provided with inner wall threads, and the cylindrical joint part (61) of the compression joint (6) in the conduit joint is provided with outer wall threads and is in threaded connection with the wiring column hole (322) of the wiring column (321).
3. The quick-mounting explosion-proof power distribution box according to claim 1 or 2, characterized in that: the box (32) of explosion-proof block terminal (3) has coaxial setting ring end plate (34) on the outer wall of cylindrical shell structure, its installing port (33) end, and the limit portion of ring end plate (34) has a plurality of end plate mounting holes (35) that evenly set up, the limit portion of apron (31) corresponds end plate mounting hole (35) of ring end plate (34) and has a plurality of apron mounting holes (36), and apron (31) are through apron mounting hole (36), end plate mounting hole (35) and connecting bolt (9) fastening installation on box (32) of ring end plate (34).
4. The utility model provides an explosion-proof air curtain machine of industrial type, its includes casing (1) and control panel, casing (1) growth bar shell structure, the bottom that has a plurality of air intakes (11), casing (1) on the front of casing (1) leans on the preceding air outlet that has, is equipped with the crossflow fan in casing (1), the crossflow fan is including fan main part (21), fan motor (22) and fan control line, and the fan control line is connected with the control panel electricity, and the fan main part (21) of crossflow fan receives fan motor (22) drive rotatable, form the air curtain by the air outlet output air current of casing (1), its characterized in that: the explosion-proof distribution box (3) is also included; the explosion-proof distribution box (3) is the quick-mounting explosion-proof distribution box of claim 3, the explosion-proof distribution box (3) is fixed right above the machine shell (1), the side wall of the box body (32) is provided with 2 wire through holes (320) which are respectively communicated with 2 wire pipes, the 2 wire pipes are respectively used as a control wire pipe (4) and a power wire pipe (5), and the tail end of the control wire pipe (4) penetrates into the machine shell (1) to connect the machine shell (1) with the explosion-proof distribution box (3); the control panel is arranged in the explosion-proof distribution box (3), and a fan control line penetrates into the explosion-proof distribution box (3) from the interior of the shell (1) through the control line pipe (4); the power line penetrates out through a power line pipe (5) of the explosion-proof distribution box (3).
5. The industrial explosion-proof air curtain machine according to claim 4, characterized in that: the bottom both sides of box (32) of explosion-proof block terminal (3) have 2 alar parts that the symmetry set up, the alar part is close to the structure that sets up to the middle part and have rectangular shape mounting groove (38) by 2 pterygoid laminas (37), and 2 alar parts that the top of casing (1) corresponds explosion-proof block terminal (3) have the casing mounting hole, explosion-proof block terminal (3) are through mounting groove (38), casing mounting hole and construction bolt (91) fastening installation on casing (1).
6. The industrial type explosion-proof air curtain machine according to claim 4 or 5, characterized in that: the cross flow fan comprises 2 cross flow fans which are arranged in the casing (1) in a bilateral symmetry mode, and fan motors (22) of the 2 cross flow fans are close to the middle part of the casing (1).
7. The industrial explosion-proof air curtain machine according to claim 6, characterized in that: and a control line pipe (4) on the explosion-proof distribution box (3) penetrates into the casing (1) from the middle part of the top of the casing (1).
8. The industrial explosion-proof air curtain machine according to claim 6, characterized in that: and the power supply wire pipe (5) on the explosion-proof distribution box (3) extends to the back of the casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128828.5A CN112781168A (en) | 2021-01-29 | 2021-01-29 | Quick-mounting type explosion-proof distribution box and industrial explosion-proof air curtain machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128828.5A CN112781168A (en) | 2021-01-29 | 2021-01-29 | Quick-mounting type explosion-proof distribution box and industrial explosion-proof air curtain machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112781168A true CN112781168A (en) | 2021-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110128828.5A Pending CN112781168A (en) | 2021-01-29 | 2021-01-29 | Quick-mounting type explosion-proof distribution box and industrial explosion-proof air curtain machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112781168A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2681024Y (en) * | 2003-12-23 | 2005-02-23 | 李龙江 | Explosion-proof warm air curtain machine |
| KR101033096B1 (en) * | 2010-10-26 | 2011-05-06 | 주식회사 부경이앤티 | Ventilator for including safety unit and controlling angle and improving cooling efficiency enclosed switchgear including thereof |
| CN209569937U (en) * | 2019-02-13 | 2019-11-01 | 广州安菲环保科技有限公司 | A kind of industrial explosion-proof refrigerator |
| CN110661227A (en) * | 2019-07-15 | 2020-01-07 | 海洋王（东莞）照明科技有限公司 | Cable lead-in device and explosion-proof equipment |
| CN211903479U (en) * | 2020-04-10 | 2020-11-10 | 唐山市盛川农产品股份有限公司 | Refrigeration house door system with automatic air curtain starting and stopping function |
| CN211953173U (en) * | 2020-03-30 | 2020-11-17 | 广东绿岛风空气系统股份有限公司 | Air curtain machine |
| CN214665072U (en) * | 2021-01-29 | 2021-11-09 | 广州安菲环保科技有限公司 | Quick-mounting type explosion-proof distribution box and industrial explosion-proof air curtain machine |
-
2021
- 2021-01-29 CN CN202110128828.5A patent/CN112781168A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2681024Y (en) * | 2003-12-23 | 2005-02-23 | 李龙江 | Explosion-proof warm air curtain machine |
| KR101033096B1 (en) * | 2010-10-26 | 2011-05-06 | 주식회사 부경이앤티 | Ventilator for including safety unit and controlling angle and improving cooling efficiency enclosed switchgear including thereof |
| CN209569937U (en) * | 2019-02-13 | 2019-11-01 | 广州安菲环保科技有限公司 | A kind of industrial explosion-proof refrigerator |
| CN110661227A (en) * | 2019-07-15 | 2020-01-07 | 海洋王（东莞）照明科技有限公司 | Cable lead-in device and explosion-proof equipment |
| CN211953173U (en) * | 2020-03-30 | 2020-11-17 | 广东绿岛风空气系统股份有限公司 | Air curtain machine |
| CN211903479U (en) * | 2020-04-10 | 2020-11-10 | 唐山市盛川农产品股份有限公司 | Refrigeration house door system with automatic air curtain starting and stopping function |
| CN214665072U (en) * | 2021-01-29 | 2021-11-09 | 广州安菲环保科技有限公司 | Quick-mounting type explosion-proof distribution box and industrial explosion-proof air curtain machine |
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