CN111634140A - Blackboard clearance system - Google Patents
Blackboard clearance system Download PDFInfo
- Publication number
- CN111634140A CN111634140A CN202010553271.5A CN202010553271A CN111634140A CN 111634140 A CN111634140 A CN 111634140A CN 202010553271 A CN202010553271 A CN 202010553271A CN 111634140 A CN111634140 A CN 111634140A
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- CN
- China
- Prior art keywords
- blackboard
- water
- cotton
- fitting
- wall body
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000002351 wastewater Substances 0.000 claims abstract description 31
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 229920000742 Cotton Polymers 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 32
- 239000007921 spray Substances 0.000 claims description 28
- 238000001914 filtration Methods 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 11
- 238000005485 electric heating Methods 0.000 description 8
- 238000001035 drying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a blackboard cleaning system, and belongs to the technical field of teaching appliances. It includes the blackboard, hold the groove, the wall body, a power supply, the drive belt, the blackboard sets up on the wall body, the singlechip is connected to the power, the blackboard top is equipped with the shower head, the shower head rear portion leads to pipe intercommunication has the solenoid valve, the solenoid valve is linked together with the feed tank, be equipped with water pump I between feed tank and the solenoid valve, water pump I all is connected with the singlechip electricity with the solenoid valve, blackboard base angle is equipped with the water drainage, water drainage intercommunication wastewater disposal basin, the blackboard front side is equipped with cleans the body, be equipped with the transfer line on the drive belt, the transfer line is connected with the slip cap, the drive belt inboard is equipped with the drive wheel, the singlechip electricity is connected with two. The blackboard eraser is simple and convenient to operate, can automatically erase and clean the blackboard, has no dust in the erasing process, does not influence the health of teachers and students, has low labor intensity, and greatly improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of teaching appliances, and particularly relates to a blackboard cleaning system for cleaning a blackboard.
Background
In the current teaching process, the blackboard is a necessary teaching auxiliary facility, and the types of the blackboard are various, including a traditional cement blackboard, a ground glass blackboard, an iron blackboard, a polymer polymerization blackboard and the like. During teaching, generally, chalk or other pen types are adopted to directly write teaching on a blackboard, after writing on the blackboard is finished, writing on the blackboard can be written again only by wiping the writing on the blackboard completely, a common wiping tool is a blackboard eraser or other wiping tools, but the writing amount is large sometimes, the workload is large, dust is adsorbed on the board and is difficult to wipe cleanly, deposited dust on the blackboard and around the blackboard is more and more abundant, the breathing health and the teaching quality of lecturers are seriously influenced, the wiping work not only consumes physical power, the occupied time is long, dust flying is easily caused in the wiping process, the health of teachers and students is seriously influenced, the teaching is influenced, and a blackboard cleaning system capable of automatically cleaning the blackboard is required to be designed.
In view of the above-mentioned prior art, the applicant of the present invention has made a lot of repeated and useful researches, and finally has developed a technical solution to be described below.
Disclosure of Invention
Aiming at the defects, the invention provides the blackboard cleaning system which is simple to operate and low in cost, can realize automatic cleaning and cleaning of the blackboard, has no dust in the cleaning process, cannot influence the health of teachers and students, greatly reduces the labor intensity and improves the working efficiency.
The invention is realized by the following technical scheme: a blackboard cleaning system comprises a blackboard and a wall body, wherein the blackboard is fixed on the wall body, the bottom of the blackboard is provided with a containing groove, it is characterized by also comprising an external power supply, a singlechip, a wiping body and a driving device, wherein the singlechip is connected with the external power supply, the wiping body is arranged at the front part of the blackboard and is attached to the blackboard, the driving device comprises a transmission belt, a transmission wheel, a rotary motor and a slide rail rod, the transmission belt is provided with a transmission rod, the slide rod is provided with a sliding sleeve, the two slide rail rods are respectively and correspondingly arranged above the spray header and below the containing groove on the wall body, the wall body is provided with a long groove opposite to the slide rail rod, the transmission rod passes through the long groove to be connected with the sliding sleeve, the transmission belt is arranged on the transmission wheel, the transmission wheel is connected to the power output end of a rotary motor through a speed reducer, and the rotary motor is electrically connected to the single chip microcomputer; the blackboard is characterized in that a spray head is arranged at the top of the blackboard, the rear part of the spray head is communicated with an electromagnetic valve through a water pipe, the electromagnetic valve is communicated with a water supply tank arranged outside, a water pump I is arranged between the water supply tank and the electromagnetic valve, and the water pump I and the electromagnetic valve are both electrically connected with the single chip microcomputer; a water drainage channel is arranged on the containing groove and close to the bottom corner of the blackboard, and the water drainage channel is communicated with a waste water pool arranged outside.
As a further optimization, the present invention is further improved in the following aspects:
furthermore, the spray nozzle of the spray header arranged at the top of the blackboard faces the upper part of the blackboard, grooves are arranged at the positions, corresponding to the spray nozzle, of the upper part of the blackboard, and the grooves are distributed on the upper edge of the blackboard in the length direction.
Further, the body of cleaning include the connecting rod, the cotton is wiped, the cooperation board, T shape cooperation piece and cotton installation department of wiping, the cooperation groove, T shape cooperation way, cotton is wiped and cotton installation department of wiping is just corresponding face to face with the blackboard, the cotton is wiped and is contacted with blackboard face, the cooperation board sets up in the cotton rear portion of wiping, the cooperation board both ends are equipped with T shape cooperation piece respectively, be equipped with the cooperation groove on the cotton installation department of wiping, the both ends in cooperation groove are equipped with T shape cooperation way respectively, the cotton is wiped and is installed on the cotton installation department through the cooperation of T shape cooperation piece and T shape cooperation way, the connecting rod is for connecting two sections curved levers at cotton installation department both ends of wiping, the connecting rod is walked around the shower head respectively and.
Furthermore, the wall body is also provided with a reflecting cover, one side below the reflecting cover is provided with an electric heating radiator, the electric heating radiator is electrically connected with the single chip microcomputer, a heat insulation protection device is arranged outside the electric heating radiator, radiation light generated by the electric heating radiator is transmitted to the reflecting cover, and the refraction angle of each surface in the reflecting cover is aligned to the blackboard surface.
Further, the refraction angles of all the surfaces in the reflector are aligned with the surfaces of all the blackboards.
Further, the wastewater tank is communicated with the wastewater filtering tank through a pipeline, a water pump II is arranged between the wastewater tank and the wastewater filtering tank, the water pump II is electrically connected with the single chip microcomputer, and the wastewater filtering tank is connected into the water supply tank through a pipeline again.
The invention has the beneficial effects that:
1. the blackboard cleaning device is simple and convenient to operate, can be used for conveniently wiping and cleaning the blackboard through manual control, greatly reduces labor force and improves working efficiency. The invention is provided with the singlechip, can effectively control the working time and the working sequence of each part through the singlechip, has high working efficiency, clean wiping, small noise, stable operation and extremely less water consumption, is provided with the wastewater recycling device, realizes the recycling of wastewater for many times, and can greatly save the water consumption.
2. The spray head is arranged to be aligned with the top of the blackboard, the blackboard can be washed from top to bottom by utilizing the gravity of water flow, the spray head sprays columnar water in advance under the control of the single chip microcomputer and then sprays vaporous water, so that the water consumption is reduced, the blackboard can be cleaned, and the problem of low thermal drying speed caused by excessive water spraying in the last wiping procedure is solved. In addition, the spray header is provided with a groove corresponding to the edge of the upper part of the blackboard, after water in the spray header is sprayed out, the groove can play a short buffer role, and the water flow buffered by the groove can slowly flow down along the blackboard, so that the water flow is not splashed out of the blackboard surface.
3. The invention is provided with the electrothermal radiator and the reflecting cover, the refraction angle of each surface in the reflecting cover is aligned to the whole blackboard surface, and the refracted thermal light source can cover the whole blackboard, thereby realizing the quick drying of the blackboard surface, not influencing the normal teaching use, having short drying time and high efficiency. In addition, a heat insulation protection device is arranged outside the electric heating radiator, so that the safety of electric heating radiation drying is enhanced.
4. The blackboard eraser works by the movement of the transmission belt driven by the rotary gear, so that the blackboard is erased and cleaned stably, and the cleaning effect of the blackboard is effectively ensured.
5. The cotton wiper adopts a detachable structural design, is convenient to detach, clean and replace, and has strong operability.
6. The invention is provided with the drainage channel, so that the wastewater can effectively flow into the wastewater pool and is prevented from flowing to the ground.
Drawings
FIG. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic side view and an internal structure of the present invention;
FIG. 3 is a schematic structural view of a belt portion of the present invention;
FIG. 4 is a schematic view of the structure of the cotton wipe of the present invention;
FIG. 5 is a schematic view of the structure of the cotton swab mounting portion of the present invention;
fig. 6 is a schematic side view and an internal structure diagram of a second embodiment of the invention.
In the figure, a blackboard 1, a containing groove 11, a spray header 2, a water supply tank 21, a water pump I22, a drainage channel 3, a wastewater pool 31, a water pump II 32, a wastewater filter tank 33, a wiping body 4, a connecting rod 41, a sliding sleeve 42, a cotton wiper 43, a matching plate 431, a T-shaped matching block 432, a cotton wiper installation part 44, a matching groove 441, a T-shaped matching channel 442, a reflecting cover 5, an electric heating radiator 51, a power supply 6, a singlechip 7, a rotary motor 71, a speed reducer 72, an electromagnetic valve 73, a transmission belt 8, a transmission wheel 81, a transmission rod 811, a wall 9 and a slide rail rod 91.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.
Example 1
The following is a description of example 2.
As shown in fig. 1 to 5, a blackboard cleaning system comprises a blackboard 1, a containing groove 11, a spray header 2, a water supply tank 21, a water pump I22, a drain 3, a wastewater disposal basin 31, a wiping body 4, a reflecting cover 5, an electrothermal radiator 51, a power supply 6, a singlechip 7, a rotary motor 71, a reducer 72, an electromagnetic valve 73, a transmission belt 8, a transmission wheel 81, a transmission rod 811, a wall 9 and a slide rail rod 91.
Blackboard 1 set up on wall body 9, blackboard 1 bottom is provided with holds groove 11, the nozzle of shower head 2 that blackboard 1 top set up is towards blackboard 1 upper portion, the position department that corresponds the nozzle in blackboard 1 upper portion is provided with the recess, the recess distributes at blackboard length direction's upper portion edge.
The spray head 2 is aligned to the top of the blackboard 1, the blackboard 1 can be washed from top to bottom by utilizing the gravity of water flow, the spray head 2 sprays columnar water in advance under the control of the single chip microcomputer 7 and then sprays vaporous water, so that the water consumption is reduced, the blackboard 1 can be cleaned completely, and the problem of low hot drying speed caused by too much water spraying in the last wiping procedure is solved. The spray header 2 is provided with a groove corresponding to the upper edge of the blackboard 1, the groove can play a short buffer effect after water in the spray header is sprayed out, and the water can slowly flow down along the blackboard through the groove, so that the water is not splashed out of the blackboard surface.
The power supply 6 is connected with the single chip microcomputer 7, the working time and the working sequence of each component can be effectively controlled through an operation instruction in the single chip microcomputer 7, the rear portion of the spray head 2 is communicated with the electromagnetic valve 73 through a water pipe, the electromagnetic valve 73 is communicated with the water supply tank 21 arranged outside, a water pump I22 is further arranged between the water supply tank 21 and the electromagnetic valve 73, the water pump I22 and the electromagnetic valve 73 are both electrically connected with the single chip microcomputer 7, the containing groove 11 is provided with the water drainage channel 3 close to the bottom corner of the blackboard 1, the water drainage channel 3 is communicated with the waste water tank 31 arranged outside, waste water can effectively flow into the waste water tank 31, and the waste water is prevented from flowing to the ground.
Blackboard 1 front side still be equipped with and wipe body 4, wipe body 4 including connecting rod 41, cotton 43, cooperation board 431, T shape cooperation piece 432 and cotton installation department 44, cooperation groove 441, T shape cooperation way 442 of wiping, cotton 43 and cotton installation department 44 and blackboard 1 just opposite face corresponding, cotton 43 and blackboard 1 face contact of wiping, cotton 43 rear portion be equipped with cooperation board 431, cooperation board 431 both ends be equipped with a T shape cooperation piece 432 respectively, cotton installation department 44 on be equipped with cooperation groove 441, the both ends of cooperation groove 441 are equipped with T shape cooperation way 442 respectively, cotton 43 install on cotton installation department 44 through the cooperation of T shape cooperation piece 432 with T shape cooperation way 442.
The connecting rod 41 is two curved rods connected with two ends of the cotton wiper installation part 44, the connecting rod 41 bypasses the spray header 2 and is connected with the sliding sleeve 42 through the containing groove 11, the wall 9 is provided with a sliding rail rod 91 above the spray header 2 and below the containing groove 11, the sliding sleeve 42 is installed on the sliding rail rod 91, the transmission belt 8 is provided with a transmission rod 811, the wall 9 is provided with a long groove opposite to the sliding rail rod 91, and the transmission rod 811 penetrates through the long groove to be connected with the sliding sleeve 42.
The inner side of the transmission belt 8 is provided with a plurality of transmission wheels 81, the single chip microcomputer 7 is further electrically connected with two rotary motors 71, the output ends of the rotary motors 71 are connected with the input ends of speed reducers 72, the output ends of the speed reducers 72 are connected with the transmission wheels 81, reciprocating motion of the wiping body can be effectively realized, and the cleaning degree of the blackboard 1 after wiping is ensured by matching with instruction control of the single chip microcomputer 7.
Example 2
The following is a description of example 2.
When the device uses a cleaning function, a power supply 6 is started, a built-in instruction of a singlechip 7 is started, the instruction controls a water pump I22 and an electromagnetic valve 73 to work, water flow is transmitted to a spray head 2 from a water supply tank 21 and sprayed to the upper part of a blackboard 1, the water flow flows into a water discharge channel 3 on a bottom containing groove 11 from top to bottom under the action of gravity, then enters a wastewater tank 31 to be discharged or is reused through a wastewater filtering tank 33, after a preset time, the water pump I22 and the electromagnetic valve 73 stop working, the singlechip 7 controls a rotary motor 71 to rotate in a reciprocating mode for a preset number of turns, the rotary motor 71 drives a transmission rod 811 on a transmission belt 8 to reciprocate, then a wiping body 4 is made to reciprocate until less water is remained, an electric signal in the rotary motor 71 is disconnected when the wiping body 4 returns to an initial position, and then an electric heating radiator, after the preset time, the reflecting cover 5 reflects hot light to dry the surface of the blackboard 1, and the electric signal is cut off, so that the automatic cleaning of the blackboard surface is completed.
When the device uses the function of wiping the blackboard, the singlechip 7 directly controls the rotary motor 71 to work, and then drives the wiping body 4 to do reciprocating motion, so that the effect of wiping the blackboard 1 is achieved, and after the wiping is finished, the electric signal is disconnected.
When the cotton eraser 3 is replaced, after the device is used, the erasing body returns to the side part of the blackboard, and the cotton eraser 3 is pulled out through the matching of the T-shaped matching block 432 and the T-shaped matching channel 442 to be cleaned and replaced.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (6)
1. A blackboard cleaning system comprises a blackboard and a wall body, wherein the blackboard is fixed on the wall body, the bottom of the blackboard is provided with a containing groove, it is characterized by also comprising an external power supply, a singlechip, a wiping body and a driving device, wherein the singlechip is connected with the external power supply, the wiping body is arranged at the front part of the blackboard and is attached to the blackboard, the driving device comprises a transmission belt, a transmission wheel, a rotary motor and a slide rail rod, the transmission belt is provided with a transmission rod, the slide rod is provided with a sliding sleeve, the two slide rail rods are respectively and correspondingly arranged above the spray header and below the containing groove on the wall body, the wall body is provided with a long groove opposite to the slide rail rod, the transmission rod passes through the long groove to be connected with the sliding sleeve, the transmission belt is arranged on the transmission wheel, the transmission wheel is connected to the power output end of a rotary motor through a speed reducer, and the rotary motor is electrically connected to the single chip microcomputer; the blackboard is characterized in that a spray head is arranged at the top of the blackboard, the rear part of the spray head is communicated with an electromagnetic valve through a water pipe, the electromagnetic valve is communicated with a water supply tank arranged outside, a water pump I is arranged between the water supply tank and the electromagnetic valve, and the water pump I and the electromagnetic valve are both electrically connected with the single chip microcomputer; a water drainage channel is arranged on the containing groove and close to the bottom corner of the blackboard, and the water drainage channel is communicated with a waste water pool arranged outside.
2. The blackboard cleaning system according to claim 1, wherein the spray head on the top of the blackboard has its nozzle facing the upper part of the blackboard, and the upper part of the blackboard has grooves corresponding to the nozzle, and the grooves are distributed on the upper edge of the blackboard in the length direction.
3. The blackboard cleaning system according to claim 1, wherein the wiper body includes a connecting rod, a cotton wiper, a fitting plate, a T-shaped fitting block, a cotton wiper mounting portion, a fitting groove, and a T-shaped fitting channel, the cotton wiper and the cotton wiper mounting portion correspond to the blackboard surface, the cotton wiper contacts the blackboard surface, the fitting plate is disposed at the rear of the cotton wiper, the fitting plate has T-shaped fitting blocks at both ends thereof, the cotton wiper mounting portion has fitting grooves, the fitting groove has T-shaped fitting channels at both ends thereof, the cotton wiper is mounted on the cotton wiper mounting portion by fitting the T-shaped fitting blocks with the T-shaped fitting channels, the connecting rod is two curved rods connecting both ends of the cotton wiper mounting portion, and the connecting rod is connected to the sliding sleeve by bypassing the shower head and the containing groove.
4. A blackboard cleaning system as claimed in claim 1, wherein the wall body is further provided with a reflection case, the lower side of the reflection case is provided with an electrothermal radiator, the electrothermal radiator is electrically connected to the single chip microcomputer, a thermal insulation protection device is installed outside the electrothermal radiator, the radiant light generated by the electrothermal radiator is transmitted to the reflection case, and the refraction angle of each surface in the reflection case is directed to the blackboard surface.
5. A blackboard cleaning system as claimed in claim 4, characterised in that the angles of refraction of the faces within the reflector hood are aligned with the full blackboard face.
6. The blackboard cleaning system according to claim 1, wherein the wastewater tank is connected to the wastewater filtering tank through a pipeline, a water pump ii is provided between the wastewater tank and the wastewater filtering tank, the water pump ii is electrically connected to the single chip microcomputer, and the wastewater filtering tank is connected to the water supply tank again through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010553271.5A CN111634140A (en) | 2020-06-17 | 2020-06-17 | Blackboard clearance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010553271.5A CN111634140A (en) | 2020-06-17 | 2020-06-17 | Blackboard clearance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111634140A true CN111634140A (en) | 2020-09-08 |
Family
ID=72325750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010553271.5A Pending CN111634140A (en) | 2020-06-17 | 2020-06-17 | Blackboard clearance system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111634140A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158011A (en) * | 2020-11-10 | 2021-01-01 | 陈颂康 | Blackboard self-cleaning device for teaching |
| CN112547603A (en) * | 2020-11-13 | 2021-03-26 | 马鞍山锲恒精密组件科技有限公司 | Semiconductor wafer surface cleaning device |
-
2020
- 2020-06-17 CN CN202010553271.5A patent/CN111634140A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158011A (en) * | 2020-11-10 | 2021-01-01 | 陈颂康 | Blackboard self-cleaning device for teaching |
| CN112547603A (en) * | 2020-11-13 | 2021-03-26 | 马鞍山锲恒精密组件科技有限公司 | Semiconductor wafer surface cleaning device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200908 |
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| WD01 | Invention patent application deemed withdrawn after publication |