CN116365387A - High-low voltage electrical cabinet with safety switch - Google Patents
High-low voltage electrical cabinet with safety switch Download PDFInfo
- Publication number
- CN116365387A CN116365387A CN202310510447.2A CN202310510447A CN116365387A CN 116365387 A CN116365387 A CN 116365387A CN 202310510447 A CN202310510447 A CN 202310510447A CN 116365387 A CN116365387 A CN 116365387A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- safety switch
- low voltage
- electrical cabinet
- roller
- 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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Classifications
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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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention discloses a high-low voltage electrical cabinet with a safety switch, and relates to the technical field of electrical cabinets. This take safety switch's high-low voltage electrical cabinet, including the regulator cubicle body, regulator cubicle body rear side fixedly connected with fixed plate, fixed plate top fixedly connected with motor, the motor bottom is equipped with clearance mechanism, lateral wall fixedly connected with guide plate behind the regulator cubicle body inner chamber, two equal fixedly connected with heat dissipation shells in the outside both sides of regulator cubicle body. This take safety switch's high-low voltage regulator cubicle, through clearance mechanism's design, when the motor does not rotate, the kicking ball no longer receives centrifugal force outside strength, so the kicking ball will drive the work that the slope slide bar was compressed this moment to the roof can merge with the casing, thereby can avoid the filter screen to be in the state of opening completely under the state that does not need radiating, and then cause the adhesion of a large amount of impurity of dust, reduce the clearance mediation number of times to the filter screen from the root.
Description
Technical Field
The invention relates to the technical field of electrical cabinets, in particular to a high-low voltage electrical cabinet with a safety switch.
Background
The electric cabinet is a cabinet which is formed by processing steel materials and is used for protecting components from working normally. The materials for manufacturing the electrical cabinet are generally divided into two types, namely a hot-rolled steel plate and a cold-rolled steel plate. Compared with a hot-rolled steel plate, the cold-rolled steel plate is softer in material and more suitable for manufacturing an electrical cabinet. The electric cabinet is widely used in chemical industry, environmental protection industry, electric power system, metallurgical system, industry, nuclear power industry, fire safety monitoring, traffic industry and the like.
At present, the regulator cubicle often need to carry out radiating work to its inside in the in-process of using, otherwise appear the potential safety hazard extremely easily, but current mode is through the fan to the inside heat dissipation of blowing of cabinet, and the time is long then can lead to the jam of filter screen, needs the manpower clearance to clear up, and simultaneously, how effectively presses down dirt and collect also is a problem when the clearance, consequently, needs further improvement.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-low voltage electrical cabinet with a safety switch, which realizes the purpose of solving the problems.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the high-low voltage electrical cabinet with the safety switch comprises an electrical cabinet body, wherein a fixing plate is fixedly connected to the rear side of the electrical cabinet body, a motor is fixedly connected to the top of the fixing plate, a cleaning mechanism is arranged at the bottom of the motor, a guide plate is fixedly connected to the rear side wall of an inner cavity of the electrical cabinet body, two radiating shells are fixedly connected to the two sides of the outer portion of the electrical cabinet body, the safety switch and a temperature sensor are fixedly connected to the rear side wall of the inner cavity of the electrical cabinet body, and the temperature sensor is electrically connected with the motor;
the cleaning mechanism includes:
the rotating rod is fixedly connected with the output end of the motor, the top of the electrical cabinet body is fixedly connected with a shell, a filter screen is embedded in the shell, the rotating rod is connected with the filter screen through a bearing, and a plurality of fan blades are fixedly connected to the outer part of the rotating rod, so that the motor can drive the rotating rod and the fan blades to rotate at a high speed after being started;
the outer part of the rotating rod is fixedly connected with two inclined sliding rods, the outer ends of the two inclined sliding rods are fixedly connected with top balls, a top plate is arranged at the top of the shell, the top of the shell is contacted with the bottom of the top plate, the outer surface of the top ball is contacted with the bottom of the top plate, and the inner wall of the top plate is contacted with the outer surface of the rotating rod, so that the top plate can slide up and down on the outer surface of the rotating rod;
the utility model discloses a roller, including the dwang, connecting block, telescopic link, roller outside, connecting block and dwang are equipped with the connecting block outside, connect through one-way bearing between connecting block and the dwang, connecting block one side fixedly connected with telescopic link, the telescopic link outside is equipped with the roller, the telescopic link surface contacts with the roller inner wall, the outside fixedly connected with soft brush of roller can make the roller drive soft brush at pivoted in-process and rotate.
Preferably, the telescopic scraping plate is fixedly connected to one side of the connecting block, is arranged at the top of the roller and is positioned between the soft brushes, and can be conveniently and fixedly connected with the telescopic scraping plate.
Preferably, the top of the roller is provided with a plurality of water outlet holes, and a plurality of water outlet holes are arranged linearly, so that water can be discharged conveniently.
Preferably, the inside hollow state that is of roller, the filter screen top is located to the connecting block, the filter screen bottom is located to the flabellum board.
Preferably, the collecting mechanism is arranged inside the shell and comprises two clamping plates, the two clamping plates are respectively and fixedly connected to two sides outside the connecting block, and the clamping plates can be conveniently and fixedly connected.
Preferably, two inside deflector that all is equipped with of cardboard, two all through pivot swing joint between cardboard and the deflector, the rotation work of deflector can be convenient for.
Preferably, two equal fixedly connected with compaction board in deflector top, two the compaction board all uses the rubber material, can be convenient for compaction board take place deformation.
Preferably, the inside fixedly connected with three limiting plate of casing, three limiting plate bottom and equal filter screen top fixed connection can be convenient for limiting plate's fixed connection.
The invention provides a high-low voltage electrical cabinet with a safety switch. The beneficial effects are as follows:
1. this take safety switch's high-low voltage regulator cubicle, through clearance mechanism's design, when the motor does not rotate, the kicking ball no longer receives centrifugal force outside strength, so the kicking ball will drive the work that the slope slide bar was compressed this moment to the roof can merge with the casing, thereby can avoid the filter screen to be in the state of opening completely under the state that does not need radiating, and then cause the adhesion of a large amount of impurity of dust, reduce the clearance mediation number of times to the filter screen from the root.
2. This take safety switch's high-low voltage regulator cubicle, through clearance mechanism's design, because roller and soft brush outside paste at the top of filter screen, so roller and soft brush can produce through the friction and rotate, then the inside rivers of roller will flow outside through the apopore to can reach the work of suppressing dust when clearing up the filter screen, prevent that the condition that the dust was mixed and easy to float from appearing when the clearance.
3. This take safety switch's high-low voltage regulator cubicle, through clearance mechanism's design, owing to soft brush constantly rotates, so can do relative motion with flexible scraper blade, when wet impurity that the soft brush surface was wrapped up in and is held up in when the flexible scraper blade was scraped to can reach the clearance work to soft brush, prevent that soft brush from leading to dust and impurity to also dry the condition that causes again to adsorb at the filter screen surface after the drying.
4. This take safety switch's high-low voltage regulator cubicle, through clearance mechanism and collection mechanism complex design, because the connecting block can drive the cardboard and rotate, consequently when compaction board and limiting plate contacted, both can compact impurity to the compaction board can take place deformation and then break away from the surface of limiting plate through the characteristic of self after carrying out transient contact with the limiting plate, thereby can reach the work that compaction and break away from to impurity many times, guaranteed the collection effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a front cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the overall structure of the housing of the present invention;
FIG. 4 is a schematic view of the overall structure of the cleaning mechanism according to the present invention;
FIG. 5 is a schematic cross-sectional view of the entire structure of the rotating lever from a top view in accordance with the present invention;
FIG. 6 is an enlarged view of the invention at A in FIG. 5;
fig. 7 is an enlarged view of the invention at B in fig. 5.
In the figure: 1. an electrical cabinet body; 2. a fixing plate; 3. a motor; 4. a cleaning mechanism; 401. a rotating lever; 402. a housing; 403. a filter screen; 404. fan blades; 405. tilting the slide bar; 406. pushing a ball; 407. a top plate; 408. a telescopic rod; 409. a roller; 410. a soft brush; 411. a retractable scraper; 412. a connecting block; 5. a collection mechanism; 501. a clamping plate; 502. a guide plate; 503. compacting the plate; 504. a limiting plate; 6. a deflector; 7. a heat dissipation shell; 8. a safety switch; 9. a temperature sensor.
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.
Referring to fig. 1-6, the present invention provides a technical solution: the high-low voltage electrical cabinet with the safety switch comprises an electrical cabinet body 1, wherein a fixing plate 2 is fixedly connected to the rear side of the electrical cabinet body 1, a motor 3 is fixedly connected to the top of the fixing plate 2, a cleaning mechanism 4 is arranged at the bottom of the motor 3, a guide plate 6 is fixedly connected to the rear side wall of an inner cavity of the electrical cabinet body 1, two heat dissipation shells 7 are fixedly connected to the two sides outside the electrical cabinet body 1, a safety switch 8 and a temperature sensor 9 are fixedly connected to the rear side wall of the inner cavity of the electrical cabinet body 1, and the temperature sensor 9 is electrically connected with the motor 3;
the cleaning mechanism 4 includes:
the rotating rod 401 is fixedly connected with the output end of the motor 3, the top of the electrical cabinet body 1 is fixedly connected with the shell 402, the filter screen 403 is embedded in the shell 402, the rotating rod 401 is connected with the filter screen 403 through a bearing, the plurality of fan blades 404 are fixedly connected to the outer part of the rotating rod 401, and the motor 3 can drive the rotating rod 401 and the fan blades 404 to rotate at a high speed after being started;
the outer part of the rotating rod 401 is fixedly connected with two inclined sliding rods 405, the outer ends of the two inclined sliding rods 405 are fixedly connected with top balls 406, a top plate 407 is arranged at the top of the shell 402, the top of the shell 402 is contacted with the bottom of the top plate 407, the outer surface of the top balls 406 is contacted with the bottom of the top plate 407, and the inner wall of the top plate 407 is contacted with the outer surface of the rotating rod 401, so that the top plate 407 can slide up and down on the outer surface of the rotating rod 401;
the outside of the rotating rod 401 is provided with a connecting block 412, the connecting block 412 is connected with the rotating rod 401 through a one-way bearing, one side of the connecting block 412 is fixedly connected with a telescopic rod 408, the outside of the telescopic rod 408 is provided with a roller 409, the outer surface of the telescopic rod 408 is contacted with the inner wall of the roller 409, the outside of the roller 409 is fixedly connected with a soft brush 410, and the roller 409 can drive the soft brush 410 to rotate in the rotating process.
A telescopic scraping plate 411 is fixedly connected to one side of the connecting block 412, and the telescopic scraping plate 411 is arranged at the top of the roller 409 and is positioned between the soft brushes 410;
the top of the roller 409 is provided with a plurality of water outlets which are arranged linearly;
the roller 409 is hollow, the connecting block 412 is arranged at the top of the filter screen 403, and the fan blade plate 404 is arranged at the bottom of the filter screen 403.
When the electric cabinet is used, when the temperature inside the electric cabinet body 1 is too high and heat dissipation work is required, the temperature sensor 9 receives a high-temperature signal, then the temperature sensor 9 controls the motor 3 to be started to be in a forward rotation mode, the motor 3 drives the rotating rod 401 to rotate rapidly, the rotating rod 401 synchronously drives the fan blade 404 and the inclined sliding rod 405 to rotate at a high speed in the rotating process, at the moment, the top ball 406 rotates synchronously, because the outward centrifugal force applied to the top ball 406 is larger, the inclined sliding rod 405 stretches upwards, the top ball 406 moves upwards, at the moment, the upward force of the top ball 406 is larger than the self mass of the top plate 407, so that the top plate 407 can be driven to move upwards, at the moment, the inside of the shell 402 is in an opened state, then outside air can be input into the electric cabinet body 1 through the filter screen 403, the air entering the shell is split through the guide plate 6, so that the heat inside the electric cabinet body 1 is diffused outwards through the heat dissipation shell 7 in the circulating process, when the motor 3 does not rotate, the top ball 406 is not subjected to the outward centrifugal force, the top ball 406 is not applied to the outside, the top ball 403 is not driven to the filter screen 403 is not to be compressed, the dust is completely and the dust is not required to be removed from the top plate 407, and the dust is completely removed from the top plate 407, and the dust is not required to be completely is completely removed, and the dust is removed from the top case;
after the work is finished and when the inside of the electric cabinet body 1 is cooled, the worker slowly rotates the motor 3 reversely, then the rotating rod 401 synchronously drives the connecting block 412 to rotate reversely, the connecting block 412 synchronously drives the telescopic rod 408 to rotate in the process of rotating reversely, at the moment, the roller 409 and the soft brush 410 are externally attached to the top of the filter screen 403, so that the roller 409 and the soft brush 410 rotate through friction, and then water flow in the roller 409 flows out to the outside through the water outlet, so that dust suppression work can be achieved when the filter screen 403 is cleaned, and dust floating in a mess manner is prevented when the filter screen 403 is cleaned;
in the above working process, since the soft brush 410 continuously rotates, the soft brush can move relative to the telescopic scraping plate 411, when the wet impurities wrapped on the outer surface of the soft brush 410 are scraped by the telescopic scraping plate 411, the cleaning work of the soft brush 410 can be achieved, and the situation that dust and impurities are also dried after the soft brush 410 is dried to cause re-adsorption on the surface of the filter screen 403 is prevented.
Referring to fig. 3-7, the present invention provides a technical solution: the high-low voltage electrical cabinet with the safety switch comprises a shell 402, wherein a collecting mechanism 5 is arranged inside the shell 402, the collecting mechanism 5 comprises two clamping plates 501, the two clamping plates 501 are respectively and fixedly connected to two sides outside a connecting block 412, guide plates 502 are arranged inside the two clamping plates 501, the two clamping plates 501 are movably connected with the guide plates 502 through rotating shafts, compaction plates 503 are fixedly connected to the tops of the two guide plates 502, and rubber materials are used for the two compaction plates 503;
three limiting plates 504 are fixedly connected inside the shell 402, and the bottoms of the three limiting plates 504 are fixedly connected with the top of the uniform filter screen 403.
The scraped wet impurities fall on the top of the filter screen 403, the connecting block 412 synchronously drives the clamping plate 501 to rotate in the rotating process, the clamping plate 501 synchronously drives the guide plate 502 to rotate in the rotating process, the guide plate 502 drives the clustered impurities to be thrown out to the outside through the shape of the guide plate 502 in the rotating process, then when the compacting plate 503 is contacted with the limiting plate 504, the compacting plate 503 compacts the impurities, and the compacting plate 503 deforms through the characteristics of the compacting plate 503 after being contacted with the limiting plate 504 for a short time so as to be separated from the outer surface of the limiting plate 504, so that the work of compacting and separating the impurities for a plurality of times can be achieved, and the collecting effect is ensured;
when the worker needs to clean the foreign matters on the top of the filter screen 403, the motor 3 is turned off, and then the top plate 407 is separated from the housing 402 upwards, and the foreign matters in the latter are scraped.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. High-low voltage electrical cabinet with safety switch, including electrical cabinet body (1), its characterized in that: the electric cabinet comprises an electric cabinet body (1), wherein a fixing plate (2) is fixedly connected to the rear side of the electric cabinet body (1), a motor (3) is fixedly connected to the top of the fixing plate (2), a cleaning mechanism (4) is arranged at the bottom of the motor (3), a guide plate (6) is fixedly connected to the rear side wall of an inner cavity of the electric cabinet body (1), two heat dissipation shells (7) are fixedly connected to the two sides of the outer part of the electric cabinet body (1), a safety switch (8) and a temperature sensor (9) are fixedly connected to the rear side wall of the inner cavity of the electric cabinet body (1), and the temperature sensor (9) is electrically connected with the motor (3);
the cleaning mechanism (4) includes:
the rotating rod (401), rotating rod (401) is fixedly connected with the output end of motor (3), housing (402) is fixedly connected to the top of electrical cabinet body (1), filter screen (403) is embedded in housing (402), rotating rod (401) is connected with filter screen (403) through the bearing, a plurality of fan blades (404) are fixedly connected to the outside of rotating rod (401), and motor (3) can drive rotating rod (401) and fan blades (404) to rotate at high speed after being opened;
the rotary rod (401) is fixedly connected with two inclined sliding rods (405), the outer ends of the two inclined sliding rods (405) are fixedly connected with top balls (406), a top plate (407) is arranged at the top of the shell (402), the top of the shell (402) is contacted with the bottom of the top plate (407), the outer surface of the top balls (406) is contacted with the bottom of the top plate (407), and the inner wall of the top plate (407) is contacted with the outer surface of the rotary rod (401) so that the top plate (407) can slide up and down on the outer surface of the rotary rod (401);
the utility model discloses a roller, including pivoted lever (401), connecting block (412) and pivoted lever (401) are connected through one-way bearing between, connecting block (412) one side fixedly connected with telescopic link (408), telescopic link (408) outside is equipped with roller (409), telescopic link (408) surface and roller (409) inner wall contact, roller (409) outside fixedly connected with soft brush (410) can make roller (409) drive soft brush (410) and rotate at pivoted in-process.
2. The high-low voltage electrical cabinet with safety switch of claim 1, wherein: one side of the connecting block (412) is fixedly connected with a telescopic scraping plate (411), and the telescopic scraping plate (411) is arranged at the top of the roller (409) and is positioned between the soft brushes (410).
3. The high-low voltage electrical cabinet with safety switch of claim 1, wherein: a plurality of water outlets are formed in the top of the roller (409), and the water outlets are linearly arranged.
4. The high-low voltage electrical cabinet with safety switch of claim 1, wherein: the inside of roller (409) is hollow state, connecting block (412) are located filter screen (403) top, flabellum board (404) are located filter screen (403) bottom.
5. The high-low voltage electrical cabinet with safety switch of claim 1, wherein: the inside collection mechanism (5) that is equipped with of casing (402), collection mechanism (5) include two cardboard (501), two cardboard (501) are fixed connection respectively in connecting block (412) outside both sides.
6. The high-low voltage electrical cabinet with safety switch of claim 5, wherein: two inside deflector (502) that all is equipped with of cardboard (501), two all through pivot swing joint between cardboard (501) and deflector (502).
7. The high-low voltage electrical cabinet with safety switch of claim 6, wherein: the tops of the two guide plates (502) are fixedly connected with compacting plates (503), and the two compacting plates (503) are made of rubber materials.
8. The high and low voltage electrical cabinet with safety switch of claim 7, wherein: three limiting plates (504) are fixedly connected inside the shell (402), and the bottoms of the three limiting plates (504) are fixedly connected with the tops of the uniform filter screens (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310510447.2A CN116365387B (en) | 2023-05-08 | 2023-05-08 | High-low voltage electrical cabinet with safety switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310510447.2A CN116365387B (en) | 2023-05-08 | 2023-05-08 | High-low voltage electrical cabinet with safety switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116365387A true CN116365387A (en) | 2023-06-30 |
| CN116365387B CN116365387B (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310510447.2A Active CN116365387B (en) | 2023-05-08 | 2023-05-08 | High-low voltage electrical cabinet with safety switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN116365387B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29810948U1 (en) * | 1998-06-18 | 1999-07-22 | Kern | Two-stroke internal combustion engine |
| CN111831092A (en) * | 2020-07-27 | 2020-10-27 | 广州圣希悦贸易有限公司 | Computer machine case heat abstractor that can squint |
| CN113652462A (en) * | 2021-08-20 | 2021-11-16 | 青岛万图明生物制品有限公司 | Novel reation kettle is used for collagen peptide to prepare equipment |
| CN115677060A (en) * | 2022-11-01 | 2023-02-03 | 贺玉琴 | Water body in-situ remediation device |
-
2023
- 2023-05-08 CN CN202310510447.2A patent/CN116365387B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29810948U1 (en) * | 1998-06-18 | 1999-07-22 | Kern | Two-stroke internal combustion engine |
| CN111831092A (en) * | 2020-07-27 | 2020-10-27 | 广州圣希悦贸易有限公司 | Computer machine case heat abstractor that can squint |
| CN113652462A (en) * | 2021-08-20 | 2021-11-16 | 青岛万图明生物制品有限公司 | Novel reation kettle is used for collagen peptide to prepare equipment |
| CN115677060A (en) * | 2022-11-01 | 2023-02-03 | 贺玉琴 | Water body in-situ remediation device |
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| Publication number | Publication date |
|---|---|
| CN116365387B (en) | 2023-09-29 |
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