CN220775155U - Fresh air positive pressure explosion-proof electrical cabinet structure - Google Patents
Fresh air positive pressure explosion-proof electrical cabinet structure Download PDFInfo
- Publication number
- CN220775155U CN220775155U CN202322445808.8U CN202322445808U CN220775155U CN 220775155 U CN220775155 U CN 220775155U CN 202322445808 U CN202322445808 U CN 202322445808U CN 220775155 U CN220775155 U CN 220775155U
- Authority
- CN
- China
- Prior art keywords
- air
- fresh air
- outdoor
- indoor
- regulator cubicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000008676 import Effects 0.000 claims abstract description 3
- 229920000742 Cotton Polymers 0.000 claims description 7
- 238000004880 explosion Methods 0.000 abstract description 5
- 239000012466 permeate Substances 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Ventilation (AREA)
Abstract
The utility model relates to a fresh air positive pressure explosion-proof electrical cabinet structure, which comprises an outdoor fresh air fan, an indoor electrical cabinet and an air guide pipe, wherein the outdoor fresh air fan is arranged outside a workshop; the gas concentration detector is installed to the inside higher authority one end of indoor regulator cubicle, and the three-colour alarm lamp is installed to the inside higher authority one end of regulator cubicle, and indoor regulator cubicle one side is close to the upper end and opens there is the exhaust passage, and an air speed sensor is installed to exhaust passage import department, and exhaust passage exit design has a check valve that prevents the return air. The air conditioner has the advantages of ingenious design, reasonable and compact structure, and the positive pressure principle is adopted, and the air is blown into the electric cabinet from the outdoor air leading, so that the atmospheric pressure in the electric cabinet is slightly higher than the air outside the electric cabinet, and the air which is contained outside the electric cabinet and volatilized by combustibility cannot permeate into the electric cabinet to generate the risk of ignition explosion.
Description
Technical Field
The utility model relates to the field of drying and curing of combustible gas (such as alcohol) containing materials, in particular to a fresh air positive pressure explosion-proof electrical cabinet structure.
Background
At present, in the drying and curing process of the material containing combustible gas (such as alcohol), the material contains combustible volatile gas in the production environment, the equipment electrical cabinet needs explosion-proof treatment, but the electrical cabinet such as a wire taking-over and the like cannot be completely sealed, and the electrical cabinet contains combustible volatile air, so that the risk of ignition and explosion is easily generated once the combustible volatile air permeates into the electrical cabinet. And the electrical cabinet needs good heat dissipation, and meanwhile, an operator can conveniently and safely open the overhaul operation.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a fresh air positive pressure explosion-proof electrical cabinet structure which is ingenious in design, reasonable and compact in structure and good in electrical cabinet heat dissipation, and meanwhile, the problem that air containing flammable and volatile matters is easy to generate ignition explosion when penetrating into the electrical cabinet is solved.
The technical scheme of the utility model is as follows:
the fresh air positive pressure explosion-proof electrical cabinet structure comprises an outdoor fresh air fan, an indoor electrical cabinet and an air guide pipe, wherein the outdoor fresh air fan is arranged outside a workshop; the gas concentration detector is installed to the inside higher authority one end of indoor regulator cubicle, and the three-colour alarm lamp is installed to the inside higher authority one end of regulator cubicle, and it has the exhaust passage to be close to the upper end to open indoor regulator cubicle one side, and an air speed sensor is installed to exhaust passage import department, and the exhaust passage exit design has a check valve that prevents the return air, still installs the controller above indoor regulator cubicle one side, and the controller is connected with gas concentration detector, air speed sensor, three-colour alarm lamp signal.
The outdoor fresh air fan also comprises an outdoor cabinet body and a filtering mechanism, the outdoor fresh air fan is arranged in the outdoor cabinet body, the outdoor cabinet body is designed into a cuboid, an air inlet is formed in one end of the outdoor cabinet body, the filtering mechanism is arranged on the inner side of the air inlet, the filtering mechanism comprises a filter screen and primary filter cotton, the filter screen is arranged on the inner side of the air inlet, and one or more layers of primary filter cotton are covered on the outer side of the filter screen; the air guide pipe penetrates through the wall of the other end of the outdoor cabinet body and then continuously penetrates through the wall of the workshop and then is communicated with the lower end of one side of the indoor electric cabinet.
The utility model has the advantages of ingenious design, reasonable and compact structure, adopts the positive pressure principle, and leads fresh air from the outside into the electric cabinet to ensure that the atmospheric pressure in the electric cabinet is slightly higher than the atmospheric pressure outside the electric cabinet, and the flammable and volatile air contained outside the electric cabinet cannot permeate into the electric cabinet to generate the risk of ignition explosion. Compared with the traditional closed explosion-proof cabinet, the fresh air positive pressure explosion-proof electrical cabinet is simple in structure, low in cost, convenient to open the door and overhaul, and can perfectly solve the difficult problem that the traditional explosion-proof electrical cabinet is too sealed and difficult to dissipate heat due to good ventilation and cooling effects.
Drawings
Fig. 1 is a schematic diagram of the present utility model.
FIG. 2 is a schematic diagram showing the electrical connection between the controller and the combustible gas concentration detector, the wind speed sensor and the tri-color alarm lamp according to the utility model.
Detailed Description
Referring to fig. 1-2, the fresh air positive pressure explosion-proof electric cabinet structure comprises an outdoor fresh air fan 1, an indoor electric cabinet 2 and an air guide pipe 3, wherein the outdoor fresh air fan 1 is arranged outside a workshop, the indoor electric cabinet 2 is arranged in the workshop, and the outdoor fresh air fan 1 is communicated with the inside of one end of the indoor electric cabinet 2 through the air guide pipe 3; the gas concentration detector 4 is installed to the inside top one end of indoor regulator cubicle 2, three-colour alarm lamp 5 is installed to the inside top one end of regulator cubicle 2, and the upper end is close to indoor regulator cubicle 2 one side and opens there is exhaust passage 6, and an air speed sensor 7 is installed to exhaust passage 6 entrance, and exhaust passage 6 exit designs has a check valve 8 that prevents the return air, still installs controller 9 above the indoor regulator cubicle 2 one side, and controller 9 and gas concentration detector 4, air speed sensor 7, three-colour alarm lamp 5 electrical signal connection.
The outdoor fresh air fan 1 also comprises an outdoor cabinet body 10 and a filtering mechanism, the outdoor fresh air fan 1 is arranged in the outdoor cabinet body 10, the outdoor cabinet body 10 is designed into a rectangular body, an air inlet is designed at one end of the outdoor cabinet body 10, the filtering mechanism is arranged at the inner side of the air inlet, the filtering mechanism comprises a filter screen 11 and primary filter cotton 12, the filter screen 11 is arranged at the inner side of the air inlet, and one or more layers of primary filter cotton 12 are covered at the outer side of the filter screen 11; the air guide pipe 3 penetrates through the wall of the other end of the outdoor cabinet body 10, then continuously penetrates through the wall of the workshop, and then is communicated with the lower end of one side of the indoor electric cabinet 2.
When the indoor air conditioner is used, the outdoor fresh air fan conveys fresh air into the indoor electric cabinet through the air guide pipe, the outdoor fresh air fan continuously supplies outdoor fresh air to the indoor electric cabinet, air in the indoor electric cabinet is discharged to the working workshop from the discharge channel, the air pressure in the indoor electric cabinet is ensured to be larger than that in the working workshop, thus the air in the working workshop cannot permeate into the electric cabinet, the risk of ignition explosion in the electric cabinet is avoided, meanwhile, air is always supplied, electric elements in the electric cabinet are continuously cooled, the internal hot air is discharged, the heat dissipation effect is good, and the problem of difficult heat dissipation of the electric cabinet is effectively solved. The wind speed sensor always detects that the air exhaust channel has air flow, and once no air flow passes, a signal is transmitted to the controller, the controller controls the three-color alarm lamp to alarm, and a worker checks the reason of no air flow to ensure that air is exhausted at any moment; the check valve for preventing return air is designed to prevent the problem of gas backflow in a workshop, so that the safety and reliability are realized; the flammable gas concentration detector is also used for always monitoring whether the gas concentration in the electric cabinet exceeds the standard or not, and sending a signal to the controller once the gas concentration exceeds the standard, wherein the controller controls the three-color alarm lamp to alarm and waits for staff to check and eliminate the problem. The outdoor cabinet body design can provide certain shielding protection for the fan, and simultaneously the air intake position is installed and is filtered the mechanism, ensures the cleanliness factor of new trend air through just effective filter cotton and filter screen, safe and reliable.
Claims (2)
1. The fresh air positive pressure explosion-proof electrical cabinet structure is characterized by comprising an outdoor fresh air fan, an indoor electrical cabinet and an air guide pipe, wherein the outdoor fresh air fan is arranged outside a workshop; the gas concentration detector is installed to the inside higher authority one end of indoor regulator cubicle, and the three-colour alarm lamp is installed to the inside higher authority one end of regulator cubicle, and it has the exhaust passage to be close to the upper end to open indoor regulator cubicle one side, and an air speed sensor is installed to exhaust passage import department, and the exhaust passage exit design has a check valve that prevents the return air, still installs the controller above indoor regulator cubicle one side, and the controller is connected with gas concentration detector, air speed sensor, three-colour alarm lamp signal.
2. The positive pressure explosion-proof electrical cabinet structure of fresh air according to claim 1, wherein the outdoor fresh air fan further comprises an outdoor cabinet body and a filter mechanism, the outdoor fresh air fan is arranged in the outdoor cabinet body, the outdoor cabinet body is designed into a rectangular body, an air inlet is formed in one end of the outdoor cabinet body, the filter mechanism is arranged on the inner side of the air inlet, the filter mechanism comprises a filter screen and primary filter cotton, the filter screen is arranged on the inner side of the air inlet, and one or more layers of primary filter cotton are covered on the outer side of the filter screen; the air guide pipe penetrates through the wall of the other end of the outdoor cabinet body and then continuously penetrates through the wall of the workshop and then is communicated with the lower end of one side of the indoor electric cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322445808.8U CN220775155U (en) | 2023-09-09 | 2023-09-09 | Fresh air positive pressure explosion-proof electrical cabinet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322445808.8U CN220775155U (en) | 2023-09-09 | 2023-09-09 | Fresh air positive pressure explosion-proof electrical cabinet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220775155U true CN220775155U (en) | 2024-04-12 |
Family
ID=90602071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322445808.8U Active CN220775155U (en) | 2023-09-09 | 2023-09-09 | Fresh air positive pressure explosion-proof electrical cabinet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220775155U (en) |
-
2023
- 2023-09-09 CN CN202322445808.8U patent/CN220775155U/en active Active
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