CN114472282A - Electronic equipment mainboard recovery ash removal device - Google Patents
Electronic equipment mainboard recovery ash removal device Download PDFInfo
- Publication number
- CN114472282A CN114472282A CN202210093619.6A CN202210093619A CN114472282A CN 114472282 A CN114472282 A CN 114472282A CN 202210093619 A CN202210093619 A CN 202210093619A CN 114472282 A CN114472282 A CN 114472282A
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- China
- Prior art keywords
- main
- pipe
- fixedly connected
- mainboard
- air
- 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- Withdrawn
Links
- 238000011084 recovery Methods 0.000 title description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 23
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 23
- 241001330002 Bambuseae Species 0.000 claims abstract description 23
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 23
- 239000011425 bamboo Substances 0.000 claims abstract description 23
- 238000004064 recycling Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 11
- 239000007924 injection Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 8
- 230000008021 deposition Effects 0.000 abstract description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 13
- 239000007787 solid Substances 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010408 sweeping 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
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Landscapes
- Cleaning In General (AREA)
Abstract
The invention discloses a recycling and dust-cleaning device for a mainboard of electronic equipment, which relates to the field of garbage recycling and comprises a conveying box, an air blower, an air pump and a main through pipe, wherein the main through pipe is fixedly connected in the conveying box, the air blower and the air pump are fixedly connected to the top of the conveying box, the air blower is communicated with the main through pipe through an air conveying pipe, the mainboard is fixed through a conical fixing cylinder with a sharp front end, the air blower easily penetrates through gaps among components and is directly pressed on the mainboard, and the damage to the components is reduced. Simultaneously, the front end of the conical fixing barrel is extruded, air injection can be started, air injection from the bottom of the main board to the periphery is achieved, the main board is not easy to block, deposition in gaps is convenient to clean, and the ash removal effect is improved. The fixed section of thick bamboo of toper still plays the effect that drives the mainboard and move forward when fixed mainboard, and the cooperation brush realizes automatic pipelined operation, and the action of the fixed section of thick bamboo of toper and brush all utilizes the jet-propelled drive that the deashing was used, not only synchronous better, reduces equipment complexity and volume moreover.
Description
Technical Field
The invention relates to the field of garbage recovery, in particular to a recovery and ash removal device for a mainboard of electronic equipment.
Background
Electronic equipment often has very high recovery and reuse value, and although a lot of discarded electronic equipment is bad, still often there are many good parts in it to and some very valuable materials, especially the mainboard of electronic equipment, for example computer mainboard, the recovery value is very big.
Electronic equipment's mainboard is retrieved, generally needs the workman to tear down electronic components above that, but the electronic equipment mainboard of abandonment generally all the deposition is serious, rust stain foul etc. even in addition, and the workman all need carry out the deashing earlier before recovery processing clean, and artifical deashing not only is slow again tired, influences workman operational environment moreover.
Although a plurality of corresponding ash removal devices are available at present, the ash removal devices are independent, and can only be used for removing ash for a mainboard or electronic equipment in small batch or even singly, and compared with assembly line operation, the ash removal device is low in working efficiency and not suitable for recycling work in batches in a factory;
however, several problems need to be solved when the recycled electronic equipment mainboard is subjected to pipeline type dust cleaning operation, firstly, the stability of the mainboard on a conveyer belt cannot be ensured by the traditional conveyer belt mode transportation, and larger acting force can be generated no matter a brush is adopted for sweeping dust, or air is sprayed for flushing dust, or other dust cleaning modes are adopted, so that the mainboard can move randomly, and dust cleaning operation is influenced;
secondly, electronic components on the mainboard of the electronic equipment are precise, the components are easy to damage no matter the electronic components are clamped or extruded and fixed, the components on the mainboard are uneven, gaps among the components and between the components and the mainboard are large, the gaps are easy to accumulate dust, the dust is sprayed and flushed on the mainboard in a certain direction, and the dust accumulated in the gaps is difficult to clean due to the fact that the dust is blocked by the components.
Disclosure of Invention
The invention aims to provide a recycling and ash-removing device for a mainboard of electronic equipment, which is characterized in that a brush is arranged for removing ash and an air-jet ash-removing plate is used for carrying out double ash-removing treatment, the mainboard is fixed by a conical fixing cylinder with a very sharp front end, the mainboard can easily penetrate through a gap between components and is directly pressed on the mainboard, and the damage to the components is reduced. Simultaneously, the front end of the conical fixing barrel is extruded, air injection can be started, air injection from the bottom of the main board to the periphery is achieved, the main board is not easy to block, deposition in gaps is convenient to clean, and the ash removal effect is improved. The fixed section of thick bamboo of toper still plays the effect that drives the mainboard and move forward when fixed mainboard, and the cooperation brush realizes automatic pipelined operation, and the action of the fixed section of thick bamboo of toper and brush all utilizes the jet-propelled drive of deashing usefulness, not only synchronous better, reduces equipment complexity and volume moreover.
A recycling and dust-cleaning device for a mainboard of electronic equipment comprises a conveying box, an air blower, an air pump and a main through pipe, wherein the main through pipe is fixedly connected in the conveying box, the air blower and the air pump are fixedly connected to the top of the conveying box, and the air blower is communicated with the main through pipe through an air conveying pipe;
the fan blade type air conditioner is characterized in that a plurality of rotating sleeves are equidistantly arranged on the outer side of the main through pipe, a plurality of brushes are rotatably connected below the main through pipe through a support II, one end of each rotating sleeve is fixedly connected with a main gear ring, one end of each brush is fixedly connected with a slave gear, the main gear ring is meshed with the slave gear, a plurality of conical fixing cylinders are arranged on the outer side of each rotating sleeve at equal angles, the rotating sleeves are communicated with the conical fixing cylinders through air holes, a plurality of supports I are fixedly connected in the rotating sleeves, a rotating shaft is rotatably connected on the supports I, three fan blades are fixedly connected on the rotating shaft, the rotating shaft is fixedly connected with the rotating sleeves through connecting rods, and the rotating sleeves are rotatably connected with the main through pipe;
the outer end sliding connection of the fixed section of thick bamboo of toper has flexible reference column, and fixedly connected with support three in the fixed section of thick bamboo of toper, be connected with spring one between flexible reference column and the support three, flexible reference column is T shape, and the bellied below in its top is equipped with and cuts off the ring, cut off ring fixed connection on the fixed section of thick bamboo inside wall of toper, and cut off and be equipped with through-hole one on the ring, cut off and be equipped with through-hole two on the fixed section of thick bamboo lateral wall of toper of ring below.
Preferably, the equidistance is equipped with a plurality of main siphunculuss in the delivery box, communicates through communicating pipe between the adjacent main siphunculus, and the intermediate position at main siphunculus is connected to communicating pipe, be equipped with pressure automatic valve on communicating pipe.
Preferably, the air extractor is communicated with the inner cavity of the conveying box through an air extraction pipe, and an air extraction opening of the air extraction pipe is positioned at the top of the conveying box.
Preferably, the pressure automatic valve is internally and slidably connected with a slide rod, the tail end of the slide rod is fixedly connected with a piston, the piston is connected with the pressure automatic valve through a second spring, and a third through hole is formed in the side wall of the pressure automatic valve outside the piston.
Preferably, a metal disc is fixedly connected to the middle position of the sliding rod, and a permanent magnet matched with the metal disc is fixedly connected to the interior of the pressure automatic valve.
Preferably, the outer end of the telescopic positioning column is sleeved with a rubber sleeve, and the rubber sleeve is filled with sponge.
Preferably, the main through pipe is composed of a plurality of sections of pipelines with two ends communicated, wherein the two sections of pipelines at the outer end are directly and fixedly connected with the side wall of the conveying box, and the middle pipeline is fixedly connected to the top plate of the conveying box through a vertical fixing rod.
The invention has the advantages that:
1. the dual ash removal treatment is carried out by arranging the brush ash removal plate and the air injection ash removal plate, the ash removal effect is better,
2. the mainboard is fixed through the conical fixing barrel with the sharp front end, the mainboard can easily penetrate through gaps between the components and directly presses the mainboard, and damage to the components is reduced.
3. Simultaneously, the front end of the conical fixing barrel is extruded, air injection can be started, air injection from the bottom of the main board to the periphery is achieved, the main board is not easy to block, deposition in gaps is convenient to clean, and the ash removal effect is improved.
4. The fixed section of thick bamboo of toper still plays the effect that drives the mainboard and move forward when fixed mainboard, and the cooperation brush realizes automatic pipelined operation, and the action of the fixed section of thick bamboo of toper and brush all utilizes the jet-propelled drive that the deashing was used, not only synchronous better, reduces equipment complexity and volume moreover.
Drawings
FIG. 1 is a front view of the apparatus of the present invention;
FIG. 2 is a schematic structural view of a main pipe portion in the device of the present invention;
FIG. 3 is a schematic view showing the internal structure of a conveying box in the apparatus of the present invention;
FIG. 4 is a schematic view of the internal structure of the main pipe in the device of the present invention;
FIG. 5 is a side view of the main tube of the device of the present invention;
FIG. 6 is a schematic view showing the internal structure of a conical fixed cylinder in the device of the present invention;
FIG. 7 is a schematic view showing the internal structure of a pressure automatic valve in the apparatus of the present invention;
FIG. 8 is a schematic view of the connection between the rotating sleeve and the main pipe in the device of the present invention;
01, a main through pipe, 02, a rotating sleeve, 03, a conical fixing cylinder, 04, a main gear ring, 05, a slave gear, 06, a brush, 07, a conveying box, 08, a blower, 09, an air extractor, 100, a first support, 101, a rotating shaft, 102, fan blades, 103, a second support, 104, a telescopic positioning column, 105, a third support, 106, a first spring, 107, a blocking ring, 108, a first through hole, 109, a rubber sleeve, 110, sponge filling, 111, a second through hole, 201, an air conveying pipe, 202, an air extracting pipe, 203, a communicating pipe, 204, a pressure automatic valve, 205, a sliding rod, 206, a piston, 207, a metal disc, 208, a permanent magnet, 209, a third through hole, 210, a second spring, 211, an air vent, 212 and a vertical fixing rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the device of the present invention comprises a conveying box 07, a blower 08, an air exhauster 09 and a main through pipe 01, wherein the main through pipe 01 is fixedly connected in the conveying box 07, the blower 08 and the air exhauster 09 are fixedly connected at the top of the conveying box 07, and the blower 08 is communicated with the main through pipe 01 through an air pipe 201; a plurality of rotating sleeves 02 are arranged on the outer side of the main through pipe 01 at equal intervals, a plurality of brushes 06 are rotatably connected below the main through pipe 01 through two supports 103, one end of each rotating sleeve 02 is fixedly connected with a main gear ring 04, one end of each brush 06 is fixedly connected with a slave gear 05, the main gear ring 04 is meshed with the slave gear 05, a plurality of conical fixing cylinders 03 are arranged on the outer side of each rotating sleeve 02 at equal angles, the rotating sleeves 02 are communicated with the conical fixing cylinders 03 through vent holes 211, a plurality of first supports 100 are fixedly connected in the rotating sleeves 02, a rotating shaft 101 is rotatably connected on the first supports 100, three fan blades 102 are fixedly connected on the rotating shaft 101, the rotating shaft 101 is fixedly connected with the rotating sleeves 02 through connecting rods, and the rotating sleeves 02 are rotatably connected with the main through pipe 01;
the key design point lies in, the outer end sliding connection of the fixed section of thick bamboo 03 of toper has flexible reference column 104, and fixedly connected with support three 105 in the fixed section of thick bamboo 03 of toper, be connected with spring 106 between flexible reference column 104 and the support three 105, flexible reference column 104 is the T shape, and the bellied below in its top is equipped with at a distance from disconnected ring 107, at a distance from disconnected ring 107 fixed connection on the fixed section of thick bamboo 03 inside wall of toper, and cut off and be equipped with through-hole 108 on the ring 107, cut off and be equipped with through-hole two 111 on the fixed section of thick bamboo 03 lateral wall of toper below the ring 107.
A plurality of main through pipes 01 are arranged in the conveying box 07 at equal intervals, adjacent main through pipes 01 are communicated through a communication pipe 203, the communication pipe 203 is connected to the middle position of the main through pipe 01, and an automatic pressure valve 204 is arranged on the communication pipe 203. The air extractor 09 is communicated with the inner cavity of the conveying box 07 through an air extraction pipe 202, and an air extraction opening of the air extraction pipe 202 is positioned at the top of the conveying box 07. A sliding rod 205 is connected in the pressure automatic valve 204 in a sliding manner, the tail end of the sliding rod 205 is fixedly connected with a piston 206, the piston 206 and the pressure automatic valve 204 are connected with a second spring 210, and a third through hole 209 is formed in the side wall of the pressure automatic valve 204 outside the piston 206.
Wherein a metal disc 207 is fixedly connected to the middle position of the sliding rod 205, and a permanent magnet 208 matched with the metal disc 207 is fixedly connected in the pressure automatic valve 204. The outer end cover of flexible reference column 104 is equipped with rubber sleeve 109, fill sponge in the rubber sleeve 109 and fill 110. The main through pipe 01 is composed of a plurality of sections of pipelines with two ends communicated, wherein the two sections of pipelines at the outer end are directly and fixedly connected with the side wall of the conveying box 07, and the middle pipeline is fixedly connected to the top plate of the conveying box 07 through a vertical fixing rod 212.
The specific implementation mode and principle are as follows:
when retrieving the deashing work to the mainboard, put into transport case 07's rear end with the mainboard, because air-blower 08 blast air in to main siphunculus 01, main siphunculus 01 comprises the pipeline that a plurality of sections both ends link up, wherein outer end two-section pipeline is direct and transport case 07's lateral wall fixed connection, middle pipeline is all through erecting dead lever 212 fixed connection on transport case 07's roof, main siphunculus 01 is whole to be fixed promptly, therefore the air flow takes flabellum 102 in the main siphunculus 01 to rotate, and then drive through pivot 101 and connecting rod and rotate sleeve 02 and rotate on main siphunculus 01, it makes outer lane toper solid fixed cylinder 03 rotate to rotate sleeve 02, consequently toper solid fixed cylinder 03 withstands mainboard area mainboard forward movement.
When the fixed section of thick bamboo 03 withstood the mainboard, flexible reference column 104 atress is retracted for through-hole 108 on the ring 107 that separates exposes, and the gas of main siphunculus 01 passes through the fixed section of thick bamboo 03 of toper and the blowout of two 111 of the most advanced blowout through-holes of the fixed section of thick bamboo 03 of through-hole 108 is finally followed to the toper, realizes from the mainboard bottom to spouting all around, is difficult to be blockked, conveniently clears up the deposition in the gap.
When the rotating sleeve 02 rotates, the main gear ring 04 and the driven gear 05 rotate at the same time, the synchronous dust cleaning treatment of the brush dust cleaning and the air injection dust cleaning is realized, the dust cleaned by the brush is further carried by the air injection from bottom to top, and finally is pumped away by the air pump 09 at the top through the air exhaust pipe 202.
If too little air is discharged from the tip of the conical fixing tube 03, which causes too much air pressure in the main through tube 01 (the difference between the air pressure and the outside air pressure is greater than the magnetic attraction between the permanent magnet 208 and the metal disc 207 and the elastic force of the spring II 210), the permanent magnet 208 and the metal disc 207 in the pressure automatic valve 204 are separated by the too much air pressure, so that the piston 206 moves backwards, the through hole III 209 is exposed, and the air is discharged from the main through tube 01.
Based on the aforesaid, carry out dual deashing through setting up brush deashing and jet-propelled deashing board and handle, fix the mainboard through the very sharp toper solid fixed cylinder of front end, directly press on the mainboard through the gap between the components and parts very easily, reduce the damage to components and parts. Simultaneously, the front end of the conical fixing barrel is extruded, air injection can be started, air injection from the bottom of the main board to the periphery is achieved, the main board is not easy to block, deposition in gaps is convenient to clean, and the ash removal effect is improved. The fixed section of thick bamboo of toper still plays the effect that drives the mainboard and move forward when fixed mainboard, and the cooperation brush realizes automatic pipelined operation, and the action of the fixed section of thick bamboo of toper and brush all utilizes the jet-propelled drive that the deashing was used, not only synchronous better, reduces equipment complexity and volume moreover.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
1. The electronic equipment mainboard recycling and ash removing device is characterized by comprising a conveying box (07), a blower (08), an air extractor (09) and a main through pipe (01), wherein the main through pipe (01) is fixedly connected in the conveying box (07), the blower (08) and the air extractor (09) are fixedly connected to the top of the conveying box (07), and the blower (08) is communicated with the main through pipe (01) through an air conveying pipe (201);
the main through pipe (01) is provided with a plurality of rotating sleeves (02) at the outer side with equal distance, the main through pipe (01) is connected with a plurality of brushes (06) through the rotation of two supports (103), one end of the rotating sleeve (02) is fixedly connected with a main gear ring (04), one end of the brush (06) is fixedly connected with a slave gear (05), the main gear ring (04) is meshed with the slave gear (05), a plurality of conical fixing cylinders (03) are arranged at equal angles on the outer side of the rotating sleeve (02), the rotating sleeve (02) is communicated with the conical fixing cylinders (03) through air holes (211), a plurality of first supports (100) are fixedly connected in the rotating sleeve (02), a rotating shaft (101) is connected on the first support (100) in a rotating manner, three fan blades (102) are fixedly connected on the rotating shaft (101), and the rotating shaft (101) is fixedly connected with the rotating sleeve (02) through a connecting rod, the rotary sleeve (02) is rotationally connected with the main through pipe (01);
the outer end sliding connection of the fixed section of thick bamboo of toper (03) has flexible reference column (104), and fixedly connected with support three (105) in the fixed section of thick bamboo of toper (03), be connected with spring (106) between flexible reference column (104) and support three (105), flexible reference column (104) are T shape, and the bellied below in its top is equipped with at a distance from disconnected ring (107), separate disconnected ring (107) fixed connection on the fixed section of thick bamboo of toper (03) inside wall, and separate and be equipped with one (108) of through-hole on disconnected ring (107), separate and be equipped with through-hole two (111) on the fixed section of thick bamboo of toper (03) lateral wall of disconnected ring (107) below.
2. The electronic equipment mainboard recycling and ash removing device of claim 1, wherein: a plurality of main siphunculuss (01) are equipped with to the equidistance in transport case (07), communicate through communicating pipe (203) between adjacent main siphunculus (01), and main siphunculus (01) intermediate position is connected in communicating pipe (203), be equipped with pressure automatic valve (204) on communicating pipe (203).
3. The electronic equipment mainboard recycling and ash removing device of claim 1, wherein: the air extractor (09) is communicated with the inner cavity of the conveying box (07) through an air extraction pipe (202), and an air extraction opening of the air extraction pipe (202) is positioned at the top of the conveying box (07).
4. The electronic equipment mainboard recycling and ash removing device of claim 2, wherein: the automatic pressure valve (204) is internally and slidably connected with a sliding rod (205), the tail end of the sliding rod (205) is fixedly connected with a piston (206), the piston (206) and the automatic pressure valve (204) are connected with a second spring (210), and a third through hole (209) is formed in the side wall of the automatic pressure valve (204) outside the piston (206).
5. The electronic equipment mainboard recycling and ash removing device of claim 4, wherein: a metal disc (207) is fixedly connected to the middle position of the sliding rod (205), and a permanent magnet (208) matched with the metal disc (207) is fixedly connected to the interior of the pressure automatic valve (204).
6. The electronic equipment mainboard recycling and ash removing device of claim 1, wherein: the outer end cover of flexible reference column (104) is equipped with rubber sleeve (109), fill sponge packing (110) in rubber sleeve (109).
7. The electronic equipment mainboard recycling and ash removing device of claim 1, wherein: the main through pipe (01) is composed of a plurality of sections of pipelines with two ends communicated, wherein the two sections of pipelines at the outer end are directly and fixedly connected with the side wall of the conveying box (07), and the middle pipeline is fixedly connected to the top plate of the conveying box (07) through a vertical fixing rod (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210093619.6A CN114472282A (en) | 2022-01-26 | 2022-01-26 | Electronic equipment mainboard recovery ash removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210093619.6A CN114472282A (en) | 2022-01-26 | 2022-01-26 | Electronic equipment mainboard recovery ash removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114472282A true CN114472282A (en) | 2022-05-13 |
Family
ID=81475202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210093619.6A Withdrawn CN114472282A (en) | 2022-01-26 | 2022-01-26 | Electronic equipment mainboard recovery ash removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114472282A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213134A (en) * | 2022-09-01 | 2022-10-21 | 南通理工学院 | Keyboard cleaning device |
| CN117929990A (en) * | 2024-03-22 | 2024-04-26 | 辽宁合顺电力技术有限公司 | High-voltage switch contact state detection device |
-
2022
- 2022-01-26 CN CN202210093619.6A patent/CN114472282A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213134A (en) * | 2022-09-01 | 2022-10-21 | 南通理工学院 | Keyboard cleaning device |
| CN117929990A (en) * | 2024-03-22 | 2024-04-26 | 辽宁合顺电力技术有限公司 | High-voltage switch contact state detection device |
| CN117929990B (en) * | 2024-03-22 | 2024-05-28 | 辽宁合顺电力技术有限公司 | High-voltage switch contact state detection device |
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Application publication date: 20220513 |
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| WW01 | Invention patent application withdrawn after publication |