CN111871877A - Computer machine case ash removal device based on electromagnetic induction principle - Google Patents
Computer machine case ash removal device based on electromagnetic induction principle Download PDFInfo
- Publication number
- CN111871877A CN111871877A CN202010731645.8A CN202010731645A CN111871877A CN 111871877 A CN111871877 A CN 111871877A CN 202010731645 A CN202010731645 A CN 202010731645A CN 111871877 A CN111871877 A CN 111871877A
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- Prior art keywords
- swing joint
- fixedly connected
- movably connected
- connecting rod
- outside
- 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.)
- Withdrawn
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- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000000428 dust Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Landscapes
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of computer hardware, and discloses a computer case dust cleaning device based on an electromagnetic induction principle, which comprises a case and a shell, wherein the outside of the case is fixedly connected with a support, the inside of the support is movably connected with a lead screw, the outside of the lead screw is movably connected with a connecting rod, the outside of the connecting rod is movably connected with a sliding plate, the inside of the sliding plate is fixedly connected with an N pole, the inside of the sliding plate is fixedly connected with an S pole, and the inside of the sliding plate is movably connected with a connecting rod; under the interact through between quick-witted case, support, lead screw, connecting rod, slide, the N utmost point, the S utmost point, connecting rod, clamp plate, the track, can make this device can be operated under the condition of artificial control to the motion through the brush cleaner cleans the outside of louvre and quick-witted case, just so can make and clear away debris such as some dusts, wadding that wafts, and can make this device have the effect of in time keeping away the barrier under the effect of electromagnetic induction mechanism.
Description
Technical Field
The invention relates to the technical field of computer hardware, in particular to a computer case ash removal device based on an electromagnetic induction principle.
Background
Computers are important equipment for daily office, study and entertainment of people, and desktop computers are commonly used and are more convenient for people to use for a long time.
Desktop computer generally mainly comprises computer mainframe and screen, computer mainframe all needs a quick-witted case to assemble some hardware equipment, because the computer can produce a large amount of static and radiator fan can see through the louvre and come to exchange to the air of machine incasement outside in the operation, will make the louvre will have the dust like this, some debris such as the wadding that wafts pass through, the louvre will block some great debris, and then near of louvre will have a large amount of debris to pile up, will make the air exchange of machine incasement outside can be very slow like this, thereby can make the inside temperature of machine case rise, be unfavorable for the normal operating of computer.
Therefore, in order to solve the problems, a computer case ash cleaning device based on the electromagnetic induction principle is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a computer case dust cleaning device based on an electromagnetic induction principle, which has the advantage of dust cleaning, and solves the problems that a large amount of static electricity is generated when a computer runs, and a heat dissipation fan can exchange air inside and outside a case through heat dissipation holes, so that dust, floatage and other impurities can pass through the heat dissipation holes, the heat dissipation holes can block the larger impurities, a large amount of impurities can be accumulated near the heat dissipation holes, the air exchange inside and outside the case can be very slow, the temperature inside the case can be increased, and the normal running of the computer is not facilitated.
(II) technical scheme
In order to achieve the purpose of cleaning the ash, the invention provides the following technical scheme: the utility model provides a computer machine case ash removal device based on electromagnetic induction principle, including quick-witted case and shell, the outside fixedly connected with support of machine case, the inside swing joint of support has the lead screw, the outside swing joint of lead screw has the connecting rod, the outside swing joint of connecting rod has the slide, the inside fixedly connected with N utmost point of slide, the inside fixedly connected with S utmost point of slide, the inside swing joint of slide has the connecting rod, the outside movable rod of slide is connected with the clamp plate, the outside swing joint of lead screw has the track, the outside fixedly connected with ratchet of lead screw, the outside swing joint of ratchet has the spring strip, the inside swing joint of shell has the kelly, the inside fixedly connected with electro-magnet of shell, the inside swing joint.
Preferably, the shell is fixedly connected to the outside of the case, the shell is fixedly connected to the top of the support, the number of the screw rods is two, the top of one screw rod is movably connected to the inside of the shell, the top of the screw rod is fixedly connected with the ratchet wheel, and the outside of the two screw rods is movably connected to the inner side of the same crawler.
Preferably, the inner surface of the support is provided with two sliding grooves corresponding to each other in position, the connecting rods are also provided with two sliding grooves matched with the specifications of the screw rods in specification, one ends, far away from the screw rods, of the connecting rods are movably connected to the inner sides of the sliding grooves, and the sliding plates are movably connected to the outer portions of the screw rods and matched with the specifications of the two screw rods in specification.
Preferably, the specification of the N pole is matched with that of the S pole, the outer portion of the connecting rod is movably connected with a first spring, one end, far away from the connecting rod, of the first spring is movably connected to the outer portion of the sliding plate, the outer portion of the connecting rod is movably connected with a copper bar, and the specification of the copper bar is matched with that of the N pole and that of the S pole.
Preferably, the pressing plates are two and the two pressing plates are symmetrical with the center of the sliding plate, the outer portions of the pressing plates are movably connected with a second spring, one end, far away from the pressing plates, of the second spring is movably connected to the outer portions of the sliding plate, one side, close to the case, of the sliding plate is fixedly connected with a cleaning brush, the specification of the cleaning brush is matched with that of the case, and the specification of the pressing plates is matched with that of the case.
Preferably, the one end swing joint that the ratchet was kept away from to the spring bar is connected in the inside of shell, the specification of kelly and the specification phase-match of ratchet, kelly swing joint is in the outside of ratchet, the outside swing joint of ejector pin has spring three, the one end swing joint that the ejector pin was kept away from to spring three is in the inside of shell, the inside fixedly connected with iron plate of ejector pin, the specification of iron plate and the specification phase-match of electro-magnet, the specification of ejector pin and the specification phase-match of kelly, be in the lax state under the spring bar initial state, be in the circular telegram state under the electro-.
Preferably, the screw rod is electrically connected with a driving power supply, and the screw rod, the copper bar, the electromagnet and the driving power supply are all electrically connected with the control center.
(III) advantageous effects
Compared with the prior art, the invention provides a computer case ash removal device based on an electromagnetic induction principle, which has the following beneficial effects:
1. this computer machine case ash removal device based on electromagnetic induction principle, through quick-witted case, a support, the lead screw, the connecting rod, the slide, the N utmost point, the S utmost point, the connecting rod, the clamp plate, under the interact between the track, can make this device can move under the condition of artificial control, and the motion through the brush cleaner cleans the outside of louvre and quick-witted case, just so can make some dust, debris such as wadding of wafing clear away, and can make this device have the effect of in time keeping away the barrier under the effect of electromagnetic induction mechanism, avoid the slide to contact with the plug and make the unable motion of slide in the motion, make the unable normal operating of deashing work.
2. This computer machine case ash removal device based on electromagnetic induction principle under the interact between shell, ratchet, spring strip, kelly, electro-magnet, the ejector pin, can make this device only can make lead screw unidirectional rotation when the deashing moves to can in time make the slide resume to initial condition when the slide meets the obstacle, more be favorable to the normal operating of deashing work like this.
Drawings
FIG. 1 is a schematic partial cross-sectional view of the inventive structure;
FIG. 2 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at C according to the present invention;
FIG. 5 is a schematic view of the connection relationship among the housing, the screw rod, the ratchet, the clamping rod, the electromagnet and the ejector rod.
In the figure: 1. a chassis; 2. a housing; 3. a support; 4. a screw rod; 5. a connecting rod; 6. a slide plate; 7. an N pole; 8. an S pole; 9. a connecting rod; 10. pressing a plate; 11. a crawler belt; 12. a ratchet wheel; 13. a spring bar; 14. a clamping rod; 15. an electromagnet; 16. and a push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a computer case ash cleaning device based on electromagnetic induction principle comprises a case 1 and a housing 2, wherein a bracket 3 is fixedly connected to the outside of the case 1, the housing 2 is fixedly connected to the outside of the case 1, and the housing 2 is fixedly connected to the top of the bracket 3; the inner part of the bracket 3 is movably connected with a screw rod 4, the outer part of the screw rod 4 is movably connected with a connecting rod 5, the outer part of the connecting rod 5 is movably connected with a sliding plate 6, the inner surface of the bracket 3 is provided with two sliding chutes corresponding to the positions, the connecting rod 5 is also provided with two connecting rods, the specifications of the two connecting rods are matched with the specifications of the screw rod 4, one end of the connecting rod 5, which is far away from the screw rod 4, is movably connected to the inner side of the sliding chute, the sliding plate 6 is movably connected to the; the inside fixedly connected with N utmost point 7 of slide 6, the inside fixedly connected with S utmost point 8 of slide 6, the inside swing joint of slide 6 has connecting rod 9, the specification of N utmost point 7 and the specification phase-match of S utmost point 8, the outside swing joint of connecting rod 9 has spring one, the one end swing joint of connecting rod 9 is kept away from to spring one in the outside of slide 6, the outside swing joint of connecting rod 9 has the bar copper, the specification and the N utmost point 7 of bar copper, the specification phase-match of S utmost point 8.
The external movable rod of the sliding plate 6 is connected with a pressing plate 10, the pressing plate 10 is provided with two pressing plates 10 which are symmetrical with the center of the sliding plate 6, the external part of the pressing plate 10 is movably connected with a spring II, one end of the spring II, which is far away from the pressing plate 10, is movably connected with the external part of the sliding plate 6, one side of the sliding plate 6, which is close to the case 1, is fixedly connected with a cleaning brush, the specification of the cleaning brush is matched with that of the case 1, and the specification of the pressing plate 10 is matched with; the outside swing joint of lead screw 4 has track 11, through quick-witted case 1, support 3, lead screw 4, connecting rod 5, slide 6, the N utmost point 7, the S utmost point 8, connecting rod 9, clamp plate 10, under the interact between the track 11, can make this device can move under the condition of artificial control, and the motion through the brush cleaner cleans louvre and quick-witted case 1' S outside, just so can make some dust, debris such as wadding of wafing clear away, and can make this device have the effect of in time keeping away the barrier under the effect of electromagnetic induction mechanism, avoid slide 6 and plug contact and make slide 6 unable motion in the motion, make the unable normal operating of deashing work.
The outer part of the screw rod 4 is fixedly connected with a ratchet wheel 12, the number of the screw rods 4 is two, the top of one screw rod 4 is movably connected with the inner part of the shell 2, the top of the screw rod 4 is fixedly connected with the ratchet wheel 12, and the outer parts of the two screw rods 4 are movably connected with the inner side of the same crawler 11; the outer part of the ratchet wheel 12 is movably connected with a spring bar 13, and the inner part of the shell 2 is movably connected with a clamping rod 14.
The electromagnet 15 is fixedly connected inside the shell 2, the ejector rod 16 is movably connected inside the shell 2, one end, far away from the ratchet wheel 12, of the spring strip 13 is movably connected inside the shell 2, the specification of the clamping rod 14 is matched with that of the ratchet wheel 12, the clamping rod 14 is movably connected outside the ratchet wheel 12, the outer portion of the ejector rod 16 is movably connected with the spring III, one end, far away from the ejector rod 16, of the spring III is movably connected inside the shell 2, the iron block is fixedly connected inside the ejector rod 16, the specification of the iron block is matched with that of the electromagnet 15, the specification of the ejector rod 16 is matched with that of the clamping rod 14, the spring strip 13 is in a loose state in an initial state, the electromagnet 15 is in an electrified state in an initial state, the lead screw 4 is electrically connected with the driving power supply, the lead screw 4, the copper rod, the electromagnet 15 and the driving power, Under the interact between kelly 14, electro-magnet 15, the ejector pin 16, can make this device only can make lead screw 4 unidirectional rotation when the deashing moves to can in time make slide 6 resume to initial condition when slide 6 meets the obstacle, more be favorable to the normal operating of deashing work like this.
The device starts to be started, an operator controls a driving power supply to drive a screw rod 4 to rotate through a control center, the screw rod 4 rotates to drive another screw rod 4 to synchronously rotate under the action of a crawler 11, an electromagnet 15 is electrified to attract an iron block and enable the iron block to move, the iron block moves to drive a spring three to contract and drive a push rod 16 to move, the push rod 16 moves to enable the push rod 16 not to be in contact with a clamping rod 14, the clamping rod 14 is clamped outside a ratchet wheel 12, meanwhile, the screw rod 4 rotates to drive the ratchet wheel 12 to rotate, the ratchet wheel 12 rotates to drive the clamping rod 14 to move and a spring strip 13 to tighten, the screw rod 4 rotates to drive the screw rod 4 to rotate under the action of a sliding groove to drive a connecting rod 5 to move, the connecting rod 5 moves to drive a sliding plate 6 to move, the sliding plate 6 moves to.
When the pressing plate 10 moves to be in contact with an obstacle, the pressing plate 10 moves under the action of the obstacle, the pressing plate 10 moves to drive the spring II to contract until the pressing plate 10 is in contact with the connecting rod 9, the pressing plate 10 moves to drive the connecting rod 9 to move, the connecting rod 9 moves to drive the spring I to contract and the copper rod moves, the copper rod moves to cut magnetic induction lines of a magnetic field between the N pole 7 and the S pole 8, current change can be generated inside the copper rod, the control center can control the driving power supply to stop driving the screw rod 4 to rotate and enable the electromagnet 15 to be powered off, the electromagnet 15 is powered off, the ejector rod 16 moves under the action of the three restoring forces of the spring, the ejector rod 16 moves to be in contact with the clamping rod 14 and drive the clamping rod 14 to move, the clamping rod 14 moves to separate the clamping rod 12, the ratchet 12 rotates in the reverse direction under the action of the restoring, and the slide 6 is restored to the original state, and the working principle is the same as that described above.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a computer machine case ash removal device based on electromagnetic induction principle, includes quick-witted case (1) and shell (2), its characterized in that: the external fixedly connected with support (3) of machine case (1), the internal swing joint of support (3) has lead screw (4), the external swing joint of lead screw (4) has connecting rod (5), the external swing joint of connecting rod (5) has slide (6), the internal fixedly connected with N utmost point (7) of slide (6), the internal fixedly connected with S utmost point (8) of slide (6), the internal swing joint of slide (6) has connecting rod (9), the external swing joint of slide (6) has clamp plate (10), the external swing joint of lead screw (4) has track (11), the external fixedly connected with ratchet (12) of lead screw (4), the external swing joint of ratchet (12) has spring strip (13), the internal swing joint of shell (2) has kelly (14), the internal fixedly connected with electro-magnet (15) of shell (2), the internal swing joint of shell (2) has ejector pin (16).
2. The computer case ash removal device based on the electromagnetic induction principle according to claim 1, wherein: the shell (2) is fixedly connected to the outside of the case (1), the shell (2) is fixedly connected to the top of the support (3), the number of the screw rods (4) is two, the top of one screw rod (4) is movably connected to the inside of the shell (2), the top of the screw rod (4) is fixedly connected with the ratchet wheel (12), and the outside of the two screw rods (4) is movably connected to the inner side of the same crawler belt (11).
3. The computer case ash removal device based on the electromagnetic induction principle according to claim 1, wherein: the inner surface of the support (3) is provided with two sliding grooves corresponding to each other in position, the connecting rods (5) are also provided with two sliding grooves matched with the specifications of the screw rods (4), one ends, far away from the screw rods (4), of the connecting rods (5) are movably connected to the inner sides of the sliding grooves, and the sliding plates (6) are movably connected to the outer portions of the screw rods (4) and the specifications of the sliding plates (6) are matched with the specifications of the two screw rods (4).
4. The computer case ash removal device based on the electromagnetic induction principle according to claim 1, wherein: the specification of the N pole (7) is matched with the specification of the S pole (8), the outside of the connecting rod (9) is movably connected with the first spring, one end of the first spring, far away from the connecting rod (9), is movably connected to the outside of the sliding plate (6), the outside of the connecting rod (9) is movably connected with a copper bar, and the specification of the copper bar is matched with the specifications of the N pole (7) and the S pole (8).
5. The computer case ash removal device based on the electromagnetic induction principle according to claim 1, wherein: the cleaning machine is characterized in that the pressing plates (10) are symmetrical about the center of the sliding plate (6), the outer portions of the pressing plates (10) are movably connected with a second spring, one end, far away from the pressing plates (10), of the second spring is movably connected to the outer portions of the sliding plate (6), one side, close to the case (1), of the sliding plate (6) is fixedly connected with a cleaning brush, the specification of the cleaning brush is matched with that of the case (1), and the specification of the pressing plates (10) is matched with that of the case (1).
6. The computer case ash removal device based on the electromagnetic induction principle according to claim 1, wherein: spring bar (13) are kept away from the one end swing joint of ratchet (12) and are connected in the inside of shell (2), the specification of kelly (14) and the specification phase-match of ratchet (12), kelly (14) swing joint is in the outside of ratchet (12), the outside swing joint of ejector pin (16) has spring three, the one end swing joint of ejector pin (16) is kept away from to spring three in the inside of shell (2), the inside fixedly connected with iron plate of ejector pin (16), the specification of iron plate and the specification phase-match of electro-magnet (15), the specification of ejector pin (16) and the specification phase-match of kelly (14).
7. The computer case ash removal device based on the electromagnetic induction principle according to claim 1, wherein: the lead screw (4) is electrically connected with a driving power supply, and the lead screw (4), the copper bar, the electromagnet (15) and the driving power supply are all electrically connected with the control center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731645.8A CN111871877A (en) | 2020-07-27 | 2020-07-27 | Computer machine case ash removal device based on electromagnetic induction principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731645.8A CN111871877A (en) | 2020-07-27 | 2020-07-27 | Computer machine case ash removal device based on electromagnetic induction principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111871877A true CN111871877A (en) | 2020-11-03 |
Family
ID=73200587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010731645.8A Withdrawn CN111871877A (en) | 2020-07-27 | 2020-07-27 | Computer machine case ash removal device based on electromagnetic induction principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111871877A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475565A (en) * | 2020-11-04 | 2021-03-12 | 杭州桂飞科技有限公司 | Intelligent manufacturing device for dust removal of automobile arc welding robot |
| CN112565575A (en) * | 2020-12-11 | 2021-03-26 | 涂春生 | Automatic cleaning device of camera based on cloud calculates |
| CN112869622A (en) * | 2021-02-02 | 2021-06-01 | 申河恩 | Automatic ash removal device of electronic commerce product show window based on electromagnetic induction principle |
| CN113020112A (en) * | 2021-03-02 | 2021-06-25 | 清草(广州)百货用品有限公司 | Automatic dust cleaning device based on computer memory bank |
| CN113522811A (en) * | 2021-09-14 | 2021-10-22 | 南通茂业电子科技有限公司 | Electromagnetic chuck controller applied to production site |
| CN114221242A (en) * | 2022-01-26 | 2022-03-22 | 相春江 | Self-adaptive protection switch cabinet and working method thereof |
-
2020
- 2020-07-27 CN CN202010731645.8A patent/CN111871877A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475565A (en) * | 2020-11-04 | 2021-03-12 | 杭州桂飞科技有限公司 | Intelligent manufacturing device for dust removal of automobile arc welding robot |
| CN112565575A (en) * | 2020-12-11 | 2021-03-26 | 涂春生 | Automatic cleaning device of camera based on cloud calculates |
| CN112565575B (en) * | 2020-12-11 | 2022-05-24 | 广西电网有限责任公司南宁供电局 | Automatic cleaning device of camera based on cloud calculates |
| CN112869622A (en) * | 2021-02-02 | 2021-06-01 | 申河恩 | Automatic ash removal device of electronic commerce product show window based on electromagnetic induction principle |
| CN113020112A (en) * | 2021-03-02 | 2021-06-25 | 清草(广州)百货用品有限公司 | Automatic dust cleaning device based on computer memory bank |
| CN113522811A (en) * | 2021-09-14 | 2021-10-22 | 南通茂业电子科技有限公司 | Electromagnetic chuck controller applied to production site |
| CN113522811B (en) * | 2021-09-14 | 2022-04-12 | 南通茂业电子科技有限公司 | Electromagnetic chuck controller applied to production site |
| CN114221242A (en) * | 2022-01-26 | 2022-03-22 | 相春江 | Self-adaptive protection switch cabinet and working method thereof |
| CN114221242B (en) * | 2022-01-26 | 2023-12-22 | 安徽五海电力科技有限公司 | Self-adaptive protective switch cabinet and working method thereof |
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Application publication date: 20201103 |
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