CN115751170B - Automatic gas cylinder integrated control equipment that mistake proofing was filled - Google Patents
Automatic gas cylinder integrated control equipment that mistake proofing was filled Download PDFInfo
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- CN115751170B CN115751170B CN202211247494.4A CN202211247494A CN115751170B CN 115751170 B CN115751170 B CN 115751170B CN 202211247494 A CN202211247494 A CN 202211247494A CN 115751170 B CN115751170 B CN 115751170B
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- frame
- wall
- groove
- control box
- inserting rod
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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Abstract
The invention relates to the technical field of gas cylinder control and discloses automatic error-proof gas cylinder integrated control equipment, which comprises a control box, wherein the front surface of the control box is hinged with a box door through a hinge, the surface of the box door is provided with a first slot, the inner wall of the first slot is fixedly connected with a fixed frame, the first slot is internally provided with a heat radiation plate, the outer surface of the heat radiation plate is contacted with the inner wall of the first slot, the outer surface of the heat radiation plate is provided with a connecting mechanism, the inner part of the control box of the heat radiation plate is provided with a second slot, the bottom of the inner wall of the first slot is outwards bent, and the heat radiation plate is positioned in the first slot.
Description
Technical Field
The invention relates to the technical field of gas cylinder control, in particular to gas cylinder integrated control equipment capable of automatically preventing wrong filling.
Background
The safety of gas use is directly related to the personal interests of mass production and living. The gas bottle for holding gas is a high-pressure container in special equipment. Thus, the normal operation of the cylinder filling process depends on the safety of the gas filling and the use of the cylinder. Common gas cylinder explosion accidents are generally related to chemical explosion caused by oxidation reaction, and the reason is that the gas cylinder is mixed with combustible gas (substances) and oxygen to form explosion mixed gas, and severe chemical explosion can be caused when an ignition source or certain excitation energy is encountered, so that gas cylinder integrated control equipment is a special gas cylinder filling control system developed for preventing the mixed filling operation of the oxidative gas and the combustible gas.
In the use of gas cylinder integrated control equipment, the inside outside discharge of heat dissipation otter board that passes through of gas cylinder integrated control equipment, after the live time, the surface of heat dissipation otter board is stained with the dust easily to can influence follow-up normal use to the heat dissipation otter board, so we propose an automatic mistake proofing gas cylinder integrated control equipment who fills.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides gas cylinder integrated control equipment capable of automatically preventing wrong filling, so as to solve the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the automatic error-filling-prevention gas cylinder integrated control device comprises a control box, wherein the front surface of the control box is hinged with a box door through a hinge, the surface of the box door is provided with a first slot, the inner wall of the first slot is fixedly connected with a fixed frame, a heat dissipation plate is arranged in the first slot, and the outer surface of the heat dissipation plate is in contact with the inner wall of the first slot;
the outer surface of the radiating plate is provided with a connecting mechanism, and the inside of the radiating plate control box is provided with a knocking mechanism.
Preferably, a second slot is formed in the bottom of the first slot inner wall, and the bottom of the first slot inner wall is outwards bent.
Preferably, the first communication groove is formed in the left side and the right side of the control box, the second communication groove is formed in the left end and the right end of the inner wall of the control box, the first communication groove is respectively communicated with the second communication grooves, the length of the first communication groove is greater than that of the second communication groove, insertion holes are formed in the left side and the right side of the control box, and sliding grooves are formed in the inner wall of the second communication groove.
Preferably, the connecting mechanism comprises a partition plate, the partition plate is located inside the first communicating groove, the length of the partition plate is larger than that of the second communicating groove, the length of the partition plate is smaller than that of the first communicating groove, the top of the partition plate is fixedly connected with a spring, the top of the spring is fixedly connected with the top of the inner wall of the first communicating groove, a plurality of through holes are formed in the surface of the partition plate, each through hole is communicated with the second communicating groove, through the through holes formed in the surface of the partition plate, heat inside the control box can be discharged through the through holes, and accordingly the heat discharge effect inside the control box is guaranteed to be good.
Preferably, the baffle surface is provided with presses the frame, press the frame and set up for the wavy, press frame middle part and baffle surface contact, press the outside bending part threaded connection of frame and have the threaded rod, the threaded rod runs through the jack and with jack inner wall threaded connection, through the baffle vertical insert fluting two inside, wherein be located the inside baffle of intercommunication groove and fix under the joining in marriage of pressing frame and threaded rod, make the baffle only can carry out the removal of vertical direction in the inside of intercommunication groove to can separate the heating panel.
Preferably, the knocking mechanism comprises a connecting frame, the protruding portion of the connecting frame is located inside a second communicating groove, a second inserting rod is fixedly inserted into the protruding end of the connecting frame, the second inserting rod is located inside the sliding groove, and the outer surface of the inserting rod is in contact with the groove wall of the sliding groove.
Preferably, the first inserting rod is fixedly inserted into the inner wall of the connecting frame and is not in contact with the inner wall of the control box, the first limiting plate and the second limiting plate are fixedly sleeved on the front side and the back side of the first inserting rod, the first limiting plate is not in contact with the second limiting plate, and the mounting frame is sleeved on the outer surface of the first inserting rod.
Preferably, the mounting bracket is the slope setting of bottom left, mounting bracket fixedly connected with limit frame, mounting bracket lower extreme fixedly connected with beats the piece, the inside pole of buckling that is provided with of limit frame, and buckle the pole and be "L" shape setting, buckle pole surface and control box inner wall fixed connection, the baffle passes through stay cord drive link and mounting bracket after shifting up, and the mounting bracket drives the limit frame and breaks away from the pole of buckling to can make the mounting bracket drive beat the piece and deflect along inserted bar one, beat the heating panel.
Compared with the prior art, the invention provides the gas cylinder integrated control equipment capable of automatically preventing wrong filling, which has the following beneficial effects:
1. according to the invention, the heat dissipation plate is positioned in the first slot, the heat dissipation plate is blocked by the fixing frame, the partition plate is vertically inserted into the second slot, and the partition plate positioned in the first slot is fixed by the matching of the pressing frame and the threaded rod, so that the partition plate can only move in the vertical direction in the first slot, and the heat dissipation plate can be blocked.
2. According to the invention, when excessive dust is adhered to the surface of the heat dissipation plate, the partition plate is moved upwards to enable the partition plate to extrude the spring in the first communicating groove, after the spring is extruded, the bottom of the partition plate is pulled out of the second communicating groove, and the heat dissipation plate is released from the restriction of the partition plate along with the gradual upward movement of the partition plate, so that the heat dissipation plate can be taken out from the first communicating groove, and the heat dissipation plate is convenient to clean.
3. According to the invention, the connecting frame is arranged in the second communicating groove, so that the connecting frame is matched with the sliding groove through the second inserting rod and is clamped on the inner wall of the control box, and when the partition board moves upwards, the partition board can drive the connecting frame to move upwards along the sliding groove through the pull rope, so that the connecting frame can drive the first inserting rod to move in the process of moving upwards along the sliding groove.
4. According to the invention, the mounting frame is sleeved on the outer surface of the first inserting rod, the first limiting plate and the second limiting plate are respectively arranged at the front end and the back end of the mounting frame to limit the mounting frame, so that the situation that the mounting frame can slide around the first inserting rod is avoided, and the limiting frame is arranged on the surface of the mounting frame, wherein one end of the bending rod, which is far away from the control box, is arranged in the limiting frame, so that the mounting frame can be supported by mutually matching the limiting frame and the bending rod.
5. According to the invention, in the process that the partition board drives the connecting frame and the first inserting rod to move upwards through the pull rope, the inserting rod drives the mounting frame to move upwards, so that the mounting frame drives the limiting frame to be away from the bending rod, the mounting frame can be limited by contact, the mounting frame drives the knocking block to deflect along the first inserting rod, the mounting frame can drive the knocking block to knock the heat dissipation plate, dust on the surface of the heat dissipation plate can be knocked down in advance, and the heat dissipation plate can be taken out from the first slot in an auxiliary manner.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the door portion of the present invention;
FIG. 3 is a perspective view of the control box of the present invention;
FIG. 4 is an enlarged schematic view of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the connecting mechanism of the present invention;
FIG. 6 is a schematic view of a striking mechanism according to the present invention;
fig. 7 is a perspective view of a first connector and a first plunger of the present invention.
In the figure: 1 control box, 2 chamber door, 3 fluting first, 4 fixed frame, 5 heating panel, 6 coupling mechanism, 61 baffle, 62 spring, 63 thru hole, 64 press frame, 65 threaded rod, 7 strike mechanism, 71 coupling frame, 72 inserted bar first, 73 stay cord, 74 inserted bar second, 75 limiting plate first, 76 limiting plate second, 77 mounting bracket, 771 limiting frame, 772 buckling rod, 773 strike piece, 8 intercommunication groove first, 9 intercommunication groove second, 10 spout, 11 jack, 12 fluting second.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an automatic mistake proofing fills gas cylinder integrated control equipment, including control box 1, control box 1 openly is connected with chamber door 2 through the hinge, fluting one 3 has been seted up on chamber door 2 surface, fluting two 12 have been seted up to fluting one 3 inner wall bottoms, fluting one 3 inner wall bottoms is outside buckling setting, fluting one 3 inner wall fixedly connected with fixed frame 4, fluting one 3 inside is provided with heating panel 5, heating panel 5 surface and fluting one 3 inner wall contacts, heating panel 5 surface is provided with coupling mechanism 6, heating panel 5 control box 1 inside is provided with strikes mechanism 7, communication groove one 8 has all been seted up to control box 1 left and right sides, communication groove two 9 have all been seted up at control box 1 inner wall left and right sides both ends, two communication grooves one 8 communicate with two communication grooves two 9 respectively, the length of communication groove one 8 is greater than the length of communication groove two 9, jack 11 has all been seted up to control box 1 left and right sides, spout 10 has all been seted up to two communication groove two 9 inner walls.
The connecting mechanism 6 comprises a baffle 61, the baffle 61 is positioned in the first communicating groove 8, the length of the baffle 61 is larger than that of the second communicating groove 9, the length of the baffle 61 is smaller than that of the first communicating groove 8, a spring 62 is fixedly connected to the top of the baffle 61, the top of the spring 62 is fixedly connected with the top of the inner wall of the first communicating groove 8, when excessive dust on the surface of the heat radiation plate 5 is adhered, the baffle 61 is enabled to squeeze the spring 62 in the first communicating groove 8 by moving up the baffle 61, after the spring 62 is squeezed, the bottom of the baffle 61 is pulled out from the second groove 12, and the heat radiation plate 5 is released from the restriction of the baffle 61 along with the gradual upward movement of the baffle 61, so that the heat radiation plate 5 can be taken out from the first groove 3, and the heat radiation plate 5 is convenient to clean;
the baffle 61 surface has offered a plurality of thru holes 63, every thru hole 63 all communicates with intercommunication groove two 9, through offer thru hole 63 on baffle 61 surface, can make the inside heat of control box 1 also can discharge through thru hole 63, thereby guaranteed to control box 1 inside thermal emission effect better, baffle 61 surface is provided with pressing frame 64, pressing frame 64 is wavy setting, pressing frame 64 middle part and baffle 61 surface contact, pressing frame 64 outside bending part threaded connection has threaded rod 65, threaded rod 65 runs through jack 11 and with jack 11 inner wall threaded connection, heating panel 5 is located fluting one inside 3, wherein through the separation of fixed frame 4, through baffle 61 vertical insertion fluting two 12 inside, wherein baffle 61 that is located inside intercommunication groove one 8 is fixed through pressing frame 64 and threaded rod 65's cooperation and down, make baffle 61 can only carry out the removal of vertical direction inside intercommunication groove one 8, thereby can separate heating panel 5.
The knocking mechanism 7 comprises a connecting frame 71, a protruding part of the connecting frame 71 is positioned in a second communicating groove 9, a second inserting rod 74 is fixedly inserted into the protruding end of the connecting frame 71, the second inserting rod 74 is positioned in the sliding groove 10, the outer surface of the second inserting rod 74 is in contact with the wall of the sliding groove 1, a first inserting rod 72 is fixedly inserted into the inner wall of the connecting frame 71, the first inserting rod 72 is not in contact with the inner wall of the control box 1, the connecting frame 71 is matched with the sliding groove 10 through the second inserting rod 74 and is clamped on the inner wall of the control box 1 through the connecting frame 71 arranged in the second communicating groove 9, and when the partition plate 61 moves upwards, the partition plate 61 can drive the connecting frame 71 to move upwards along the sliding groove 10 through a pull rope 73, so that the first inserting rod 72 can be driven to move upwards along the sliding groove 10 in the process of the connecting frame 71;
the limiting plates 75 and 76 are fixedly sleeved on the positive side and the negative side of the first inserting rod 72, the first limiting plate 75 is not in contact with the second limiting plate 76, the outer surface of the first inserting rod 72 is sleeved with the mounting frame 77, the mounting frame 77 is obliquely arranged at the bottom left, the limiting frame 771 is fixedly connected with the surface of the mounting frame 77, the knocking block 773 is fixedly connected with the lower end of the mounting frame 77, the bending rod 772 is arranged in the limiting frame 771, the bending rod 772 is in an L-shaped arrangement, the outer surface of the bending rod 772 is fixedly connected with the inner wall of the control box 1, the mounting frame 77 is sleeved on the outer surface of the first inserting rod 72, the limiting plates 75 and the limiting plates 76 are respectively arranged at the positive end and the negative end of the mounting frame 77 to limit the mounting frame 77, so that the mounting frame 77 can possibly slide around the first inserting rod 72 is avoided, the limiting frame 771 is arranged on the surface of the mounting frame 77, one end of the bending rod 772 far away from the control box 771 is arranged in the limiting frame 771, and the mounting frame 77 can be supported by mutually matched with the limiting frame 772;
in the process that the partition plate 61 drives the connecting frame 71 and the first inserting rod 72 to move upwards through the pull rope 73, the first inserting rod 72 drives the mounting frame 77 to move upwards, so that the mounting frame 77 drives the limiting frame 771 to be far away from the bending rod 772, the mounting frame 77 can be limited by contact, the mounting frame 77 drives the knocking block 773 to deflect along the first inserting rod 72, the mounting frame 77 can drive the knocking block 773 to knock the heat dissipation plate 5, dust on the surface of the heat dissipation plate 5 can be knocked down in advance, and the heat dissipation plate 5 can be taken out from the first slotting 3 in an auxiliary mode.
When the heat dissipation plate 5 is used, the heat dissipation plate 5 is positioned in the first slot 3, wherein the heat dissipation plate is blocked by the fixed frame 4, and is vertically inserted into the second slot 12 through the partition plate 61, wherein the partition plate 61 positioned in the first communication slot 8 is fixed by matching the pressing frame 64 and the threaded rod 65, so that the partition plate 61 can only move in the vertical direction in the first communication slot 8, and the heat dissipation plate 5 can be blocked;
through the through holes 63 formed in the surface of the partition plate 61, heat in the control box 1 can be discharged through the through holes 63, and accordingly good effect of discharging the heat in the control box 1 is guaranteed;
when excessive dust on the surface of the heat dissipation plate 5 is adhered, the partition plate 61 is enabled to press the spring 62 in the first communicating groove 8 by moving the partition plate 61 upwards, after the spring 62 is pressed, the bottom of the partition plate 61 is pulled out of the second groove 12, and the heat dissipation plate 5 is released from the limitation of the partition plate 61 along with the gradual upward movement of the partition plate 61, so that the heat dissipation plate 5 can be taken out from the first groove 3, and the heat dissipation plate 5 is convenient to clean;
the connecting frame 71 is arranged in the second communicating groove 9, so that the connecting frame 71 is matched with the chute 10 through the second inserting rod 74 and is clamped on the inner wall of the control box 1, and when the partition plate 61 moves upwards, the partition plate 61 can drive the connecting frame 71 to move upwards along the chute 10 through the pull rope 73, so that the connecting frame 71 can drive the first inserting rod 72 to move in the process of moving upwards along the chute 10;
the installation frame 77 is sleeved on the outer surface of the first inserting rod 72, the first limiting plate 75 and the second limiting plate 76 are respectively arranged at the front end and the back end of the installation frame 77 to limit the installation frame 77, so that the situation that the installation frame 77 can slide around the first inserting rod 72 is avoided, and the limiting frame 771 is arranged on the surface of the installation frame 77, wherein one end of the bending rod 772, which is far away from the control box 1, is arranged in the limiting frame 771, so that the installation frame 77 can be supported by mutually matching the limiting frame 771 and the bending rod 772;
in the process that the partition plate 61 drives the connecting frame 71 and the first inserting rod 72 to move upwards through the pull rope 73, the first inserting rod 72 drives the mounting frame 77 to move upwards, so that the mounting frame 77 drives the limiting frame 771 to be far away from the bending rod 772, the mounting frame 77 can be limited by contact, the mounting frame 77 drives the knocking block 773 to deflect along the first inserting rod 72, the mounting frame 77 can drive the knocking block 773 to knock the heat dissipation plate 5, dust on the surface of the heat dissipation plate 5 can be knocked down in advance, and the heat dissipation plate 5 can be taken out from the first slotting 3 in an auxiliary mode.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an automatic mistake proofing fills gas cylinder integrated control equipment, includes control box (1), its characterized in that: the front of the control box (1) is hinged with a box door (2) through a hinge, a first groove (3) is formed in the surface of the box door (2), a fixed frame (4) is fixedly connected to the inner wall of the first groove (3), a heat dissipation plate (5) is arranged in the first groove (3), and the outer surface of the heat dissipation plate (5) is in contact with the inner wall of the first groove (3);
the outer surface of the radiating plate (5) is provided with a connecting mechanism (6), and a knocking mechanism (7) is arranged in the control box (1) of the radiating plate (5);
a second slot (12) is formed in the bottom of the inner wall of the first slot (3), and the bottom of the inner wall of the first slot (3) is outwards bent;
the control box is characterized in that a first communication groove (8) is formed in the left side and the right side of the control box (1), a second communication groove (9) is formed in the left end and the right end of the inner wall of the control box (1), the two first communication grooves (8) are respectively communicated with the two second communication grooves (9), the length of the first communication groove (8) is larger than that of the second communication grooves (9), insertion holes (11) are formed in the left side and the right side of the control box (1), and sliding grooves (10) are formed in the inner wall of the two second communication grooves (9);
the connecting mechanism (6) comprises a partition plate (61), the partition plate (61) is positioned inside the first communicating groove (8), the length of the partition plate (61) is larger than that of the second communicating groove (9), the length of the partition plate (61) is smaller than that of the first communicating groove (8), a spring (62) is fixedly connected to the top of the partition plate (61), the top of the spring (62) is fixedly connected with the top of the inner wall of the first communicating groove (8), a plurality of through holes (63) are formed in the surface of the partition plate (61), and each through hole (63) is communicated with the second communicating groove (9);
the baffle (61) surface is provided with presses frame (64), press frame (64) are wavy setting, press frame (64) middle part and baffle (61) surface contact, press frame (64) outside buckling department threaded connection has threaded rod (65), threaded rod (65) run through jack (11) and with jack (11) inner wall threaded connection.
2. The automatic anti-misplug gas cylinder integrated control device as set forth in claim 1, wherein: the knocking mechanism (7) comprises a connecting frame (71), the protruding portion of the connecting frame (71) is located inside a second communicating groove (9), a second inserting rod (74) is fixedly inserted into the protruding end of the connecting frame (71), the second inserting rod (74) is located inside the sliding groove (10), and the outer surface of the second inserting rod (74) is in contact with the wall of the sliding groove (10).
3. The automatic anti-misplug gas cylinder integrated control device as set forth in claim 2, wherein: the connecting frame is characterized in that a first inserting rod (72) is fixedly inserted into the inner wall of the connecting frame (71), the first inserting rod (72) is not in contact with the inner wall of the control box (1), a first limiting plate (75) and a second limiting plate (76) are fixedly sleeved on the front side and the back side of the first inserting rod (72), the first limiting plate (75) is not in contact with the second limiting plate (76), and an installation frame (77) is sleeved on the outer surface of the first inserting rod (72).
4. A gas cylinder integrated control device for automatic anti-misplug filling as set forth in claim 3, wherein: the installation frame (77) is arranged in a manner that the bottom is inclined leftwards, a limiting frame (771) is fixedly connected to the surface of the installation frame (77), a knocking block (773) is fixedly connected to the lower end of the installation frame (77), a bending rod (772) is arranged inside the limiting frame (771), the bending rod (772) is arranged in an L-shaped manner, and the outer surface of the bending rod (772) is fixedly connected with the inner wall of the control box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211247494.4A CN115751170B (en) | 2022-10-12 | 2022-10-12 | Automatic gas cylinder integrated control equipment that mistake proofing was filled |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211247494.4A CN115751170B (en) | 2022-10-12 | 2022-10-12 | Automatic gas cylinder integrated control equipment that mistake proofing was filled |
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| Publication Number | Publication Date |
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| CN115751170A CN115751170A (en) | 2023-03-07 |
| CN115751170B true CN115751170B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211247494.4A Active CN115751170B (en) | 2022-10-12 | 2022-10-12 | Automatic gas cylinder integrated control equipment that mistake proofing was filled |
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| JP2019058841A (en) * | 2017-09-25 | 2019-04-18 | チコーエアーテック株式会社 | Dust collector |
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| CN113573554A (en) * | 2021-07-27 | 2021-10-29 | 王清学 | Dustproof host computer is used to network security |
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| CN210934218U (en) * | 2019-10-11 | 2020-07-07 | 崇阳鑫瑞钒业有限公司 | Device for recovering heat of vanadium-nitrogen alloy tail section by adopting heat exchanger |
| CN212846672U (en) * | 2020-10-26 | 2021-03-30 | 贾争波 | Financial IT sharing service equipment |
| CN213643605U (en) * | 2020-11-11 | 2021-07-09 | 河南诚信密封新材料科技有限公司 | Powder dust removal device for high-temperature-resistant glue production |
| CN114278425B (en) * | 2021-12-24 | 2024-03-12 | 盐城联泰机械有限责任公司 | Self-cleaning radiator for automobile engine |
| CN216726381U (en) * | 2021-12-29 | 2022-06-14 | 上海慧净空气过滤器有限公司 | Primary filter made of nylon net |
| CN114768426A (en) * | 2022-04-29 | 2022-07-22 | 吴淑娟 | Atmospheric pollution treatment device and treatment method thereof |
| CN114814295B (en) * | 2022-05-24 | 2024-04-19 | 新乡市万新电气有限公司 | Protective equipment for electric power instrument and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2019058841A (en) * | 2017-09-25 | 2019-04-18 | チコーエアーテック株式会社 | Dust collector |
| CN112672597A (en) * | 2020-12-10 | 2021-04-16 | 中国人民解放军空军工程大学 | Monitoring device for computer room environment |
| CN113573554A (en) * | 2021-07-27 | 2021-10-29 | 王清学 | Dustproof host computer is used to network security |
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