CN113877318A - Dust removal explosion-proof equipment is used in flour processing - Google Patents
Dust removal explosion-proof equipment is used in flour processing Download PDFInfo
- Publication number
- CN113877318A CN113877318A CN202111273620.9A CN202111273620A CN113877318A CN 113877318 A CN113877318 A CN 113877318A CN 202111273620 A CN202111273620 A CN 202111273620A CN 113877318 A CN113877318 A CN 113877318A
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- Prior art keywords
- dust
- dust removal
- flour processing
- filter screen
- explosion
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 173
- 235000013312 flour Nutrition 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- 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
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/001—Means for connecting filter housings to supports
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2271/02—Gaskets, sealings
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dust removal explosion-proof device for flour processing, and particularly relates to the technical field of dust removal explosion-proof for flour processing. The mounting opening is arranged right below the dust outlet channel, the electric telescopic rod extends to push the supporting seat to be downwards contacted with the ground, so that the dust collecting chamber is lifted, one end of the clamping block enters the mounting opening and is attached to the sealing ring, the sealing performance of the dust collecting chamber and the dust outlet channel is improved, dust leakage is avoided, the dust collecting chamber can be sealed and collected, the servo motor drives the main shaft and the main shaft wheel to rotate, the driven shaft wheel drives the driven shaft to follow the main shaft to drive in the same direction under the drive of the belt, the two filter screen bags rotate, the falling of dust is accelerated in the motion state, and the dust is fallen into the corresponding dust outlet channel from the dust collecting cavity.
Description
Technical Field
The invention relates to the technical field of dust removal and explosion prevention in flour processing, in particular to a dust removal and explosion prevention device for flour processing.
Background
Flour particles can explode when exposed to fire, a large amount of flour dust is generated in the production process, when the flour dust is suspended in the air and reaches high concentration, the flour dust can be instantly combusted once meeting flames, sparks, electric arcs or proper temperature to form violent explosion, the power of the flour dust is not inferior to that of a bomb, and a dust removal structure needs to be added in a production workshop to facilitate the flour production and processing.
The dust that flour processing produced meets naked light and has certain safe risk, and common dust collecting equipment does not have the function of independent collection dirt, if take place the secondary suspension, then the first dust removal will be meaningless, adopts the sack formula to remove dust, can be infected with the dust on the strap, has influenced the collection effect of dust.
Disclosure of Invention
The invention aims to provide a dust removal explosion-proof device for flour processing.
The technical problem solved by the invention is as follows: the dust collector has no dust collection function, usually discharges dust into the outside, and is easy to pollute the environment and meet open fire or even explode; in addition, the cloth belt is stained with dust, which affects the dust removal efficiency.
The invention can be realized by the following technical scheme: the utility model provides a dust removal explosion-proof equipment for flour processing, includes the dust removal box, one side of dust removal box is provided with into dirt mouth, and the inside dust filter screen that is provided with of opposite side of dust removal box, the bottom of dust removal box is installed out the dirt passageway, and the bottom fixedly connected with support column of dust removal box, the below of going out the dirt passageway is provided with the dust collecting chamber, the inner chamber of dust removal box is provided with dust removal power unit.
The invention has further technical improvements that: the dust collecting chamber is characterized in that fixed blocks are fixedly mounted on two sides of the top of the dust collecting chamber, an electric telescopic rod is mounted at the bottom end of each fixed block, and a supporting seat is fixedly connected to the end portion of the telescopic end of each electric telescopic rod.
The invention has further technical improvements that: the dust collecting chamber is characterized in that fixed blocks are fixedly mounted on two sides of the top of the dust collecting chamber, an electric telescopic rod is mounted at the bottom end of each fixed block, and a supporting seat is fixedly connected to the end portion of the telescopic end of each electric telescopic rod.
The invention has further technical improvements that: the dust collecting chamber is characterized in that the top end of the dust collecting chamber is provided with a mounting opening matched with the dust outlet channel, the bottom end of the dust outlet channel is provided with a clamping block, and a sealing ring is arranged at the joint of the clamping block and the mounting opening.
The invention has further technical improvements that: an ash outlet is formed in the bottom of the front side of the dust collecting chamber, a clamping groove is formed in the top end surface of the ash outlet, and a sealing plate is arranged inside the clamping groove.
The invention has further technical improvements that: dust removal power unit is including setting up the servo motor on dust removal box top, the inside of dust removal box is provided with two columniform dust removal chambeies, is provided with the intercommunication mouth between two dust removal chambeies, install the main shaft wheel on servo motor's the main shaft, the cover is equipped with the belt on the main shaft wheel, the one end of belt is provided with driven shaft wheel, all install on servo motor's main shaft and driven shaft of driven shaft wheel internal connection the filter screen bag that uses with the inside dust removal chamber cooperation of dust removal box.
The invention has further technical improvements that: one side of the dust removal box body, which is close to the dust filter screen, is connected with a fan shell, a fan is arranged in the fan shell, and one side of the fan shell is connected with an active carbon filter screen shell.
The invention has further technical improvements that: the active carbon filter screen shell is characterized in that a clamping cavity is formed in the surface of one side of the active carbon filter screen shell, a connecting block is installed inside the clamping cavity in a matched mode, and an air outlet shell is fixedly connected to one end of the connecting block.
The invention has further technical improvements that: the surface of the fan shell is provided with a first screw hole, the surface of the dust removal box body is provided with a second screw hole collinear with the first screw hole, and adaptive bolts are installed inside the first screw hole and the second screw hole.
Compared with the prior art, the invention has the following beneficial effects:
1. the installing port is under the dirt passageway, and electric telescopic handle extension promotes the supporting seat downwards afterwards, and the supporting seat contacts with ground, can make the dust collecting chamber rise, and in the one end of fixture block entered into the installing port at this moment to with the sealing washer laminating, increased the leakproofness of dust collecting chamber with the dirt passageway, avoid revealing of dust, can seal collection dirt to the dust collecting chamber.
2. Under the separation of dust filter screen, the filter screen can't enter into the inside of fan shell, and the air enters into in the active carbon filter screen shell through purifying, and clean air is discharged by going out the casing, and servo motor is driving main shaft and main shaft wheel and is rotating, and under the transmission of belt, driven shaft wheel drives the driven shaft and follows the transmission of main shaft syntropy, is driving two filter screen bag rotations, and the motion state accelerates dropping of dust to fall into to the play dirt passageway that corresponds by the dust removal chamber.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic connection diagram of a three-dimensional structure of the ash outlet of the present invention;
FIG. 4 is a schematic view of the connection between the dust outlet channel and the dust collecting chamber;
FIG. 5 is a schematic connection diagram of the three-dimensional structure of the dust removal power mechanism of the present invention;
FIG. 6 is a schematic view of the dust-removing chamber and the communicating opening of the present invention.
In the figure: 1. a dust removal box body; 100. a dust inlet; 1000. a first screw hole; 110. a dust outlet channel; 1100. a clamping block; 1110. a seal ring; 120. a support pillar; 130. a fan housing; 1300. a dust filter screen; 1310. a second screw hole; 140. a fan; 150. an active carbon filter screen shell; 160. a card cavity; 170. an air outlet shell; 180. connecting blocks; 2. a dust collecting chamber; 200. a fixed block; 210. an electric telescopic rod; 220. a supporting seat; 230. an ash outlet; 240. a card slot; 250. closing the plate; 260. an installation port; 3. a dust removal power mechanism; 300. a servo motor; 310. a main shaft wheel; 320. a belt; 330. a driven shaft wheel; 340. and (4) a filter screen bag.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-5, a dust-removing explosion-proof device for flour processing includes a dust-removing box 1, a dust inlet 100 is disposed on one side of the dust-removing box 1, a dust filter screen 1300 is disposed inside the other side of the dust-removing box 1, a dust outlet channel 110 is disposed at the bottom of the dust-removing box 1, a support column 120 is fixedly connected to the bottom end of the dust-removing box 1, a dust collecting chamber 2 is disposed below the dust outlet channel 110, and a dust-removing power mechanism 3 is disposed in an inner cavity of the dust-removing box 1 and can absorb dust onto the outer surface of the filter screen bag 340.
Example 1
Dust removal power unit 3 is including setting up servo motor 300 on dust removal box 1 top, the inside of dust removal box 1 is provided with two columniform dust removal chambeies, be provided with the intercommunication mouth between two dust removal chambeies, install spindle wheel 310 on servo motor 300's the main shaft, the cover is equipped with belt 320 on spindle wheel 310, the one end of belt 320 is provided with driven arbor wheel 330, all install the filter screen bag 340 who uses with the inside dust removal chamber cooperation of dust removal box 1 on servo motor 300's the main shaft and the driven shaft of driven arbor wheel 330 internal connection, can drive two filter screen bags 340 syntropy and rotate, in the pivoted, the dust drops under the action of gravity, fall into to the play dirt passageway 110 that corresponds by the dust removal chamber.
One side of the dust removal box body 1 close to the dust filter screen 1300 is connected with a fan shell 130, the fan 140 is arranged inside the fan shell 130, one side of the fan shell 130 is connected with an active carbon filter screen shell 150, under the wind attraction of the fan 140, dust enters the dust removal box body 1 from the dust inlet 100, under the obstruction of the dust filter screen 1300, the filter screen cannot enter the inside of the fan shell 130, air enters the active carbon filter screen shell 150 and is purified, and clean air is discharged from the air outlet shell 170.
The surface of one side of active carbon filter screen shell 150 is equipped with card chamber 160, and the inside matching in card chamber 160 installs connecting block 180, and the one end fixedly connected with of connecting block 180 goes out gas shell 170, has realized going out gas shell 170 and active carbon filter screen shell 150's grafting.
The surface of the fan shell 130 is provided with a second screw hole 1310, the surface of the dust removal box body 1 is provided with a first screw hole 1000 collinear with the second screw hole 1310, and the first screw hole 1000 and the second screw hole 1310 are internally provided with adaptive bolts, so that the fan shell 130 and the dust removal box body 1 are installed.
In the using state, the fan shell 130, the activated carbon filter screen shell 150 and the air outlet shell 170 are sequentially arranged at one side of the dust removing box body 1, so that the stable operation of the dust removing box body 1 is ensured, during dust removal, under the suction of the wind of the fan 140, dust enters the dust removal box body 1 from the dust inlet 100, reaches the dust filter screen 1300 through the dust removal cavity and the communication port, under the obstruction of the dust filter screen 1300, the dust can not enter the inside of the fan casing 130, the air enters the activated carbon filter screen casing 150 to be purified, the clean air is discharged from the air outlet casing 170, the servo motor 300 drives the spindle and the spindle wheel 310 to rotate, under the transmission of belt 320, driven shaft wheel 330 drives the driven shaft to follow the main shaft and transmit in the same direction, driving two filter bags 340 to rotate, dust falls from the surface of filter bag 340 under the action of gravity, and falls into the corresponding dust outlet channel 110 from the dust removal cavity.
Example 2
The top end of the dust collection chamber 2 is provided with the mounting opening 260 matched with the dust outlet channel 110 for use, the bottom end of the dust outlet channel 110 is provided with the fixture block 1100, the connection part of the fixture block 1100 and the mounting opening 260 is provided with the sealing ring 1110, after the fixture block 1100 is lifted, the fixture block 1100 enters the mounting opening 260 and is attached to the sealing ring 1110, the sealing performance of the dust collection chamber 2 and the dust outlet channel 110 is improved, and dust leakage is avoided.
Under operating condition, dust collecting chamber 2 moves to the bottom of dust removal box 1, and guarantee that installing port 260 is under play dirt passageway 110, electric telescopic handle 210 extension promotes supporting seat 220 downwards afterwards, supporting seat 220 and ground contact, can make dust collecting chamber 2 rise, at this moment, the one end of fixture block 1100 enters into in the installing port 260, and laminate with sealing washer 1110, the leakproofness of dust collecting chamber 2 with play dirt passageway 110 has been increased, avoid revealing of dust, can seal collection dirt to dust collecting chamber 2, after the collection dirt, can open shrouding 250, realize the clearance of dust through play dirt mouth 230.
The working principle is as follows:
when the dust removal device is used, under the obstruction of the dust filter screen 1300, dust cannot enter the fan shell 130, air enters the activated carbon filter screen shell 150 and is purified, clean air is discharged from the air outlet shell 170, the servo motor 300 drives the main shaft and the main shaft wheel 310 to rotate, under the transmission of the belt 320, the driven shaft wheel 330 drives the driven shaft to drive the driven shaft to rotate along with the main shaft in the same direction, so that the two filter screen bags 340 are driven to rotate, and the dust falls from the surfaces of the filter screen bags 340 under the action of gravity and falls into the corresponding dust outlet channels 110 from the dust removal cavity;
installing port 260 is under dust outlet channel 110, and electric telescopic rod 210 extends afterwards and promotes supporting seat 220 downwards, and supporting seat 220 contacts with ground, can make dust collection chamber 2 rise, and at this moment, the one end of fixture block 1100 enters into installing port 260 to laminate with sealing washer 1110, increased dust collection chamber 2 and dust outlet channel 110's leakproofness, avoid the leakage of dust, can seal dust collection chamber 2 and collect dirt.
Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalents and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a dust removal explosion-proof equipment for flour processing which characterized in that: including dust removal box (1), one side of dust removal box (1) is provided with into dirt mouth (100), and the opposite side of dust removal box (1) is inside to be provided with dust filter screen (1300), dust channel (110) are installed out to the bottom of dust removal box (1), and the bottom fixedly connected with support column (120) of dust removal box (1), the below of going out dust channel (110) is provided with dust collecting chamber (2), the inner chamber of dust removal box (1) is provided with dust removal power unit (3).
2. The dust-removing explosion-proof device for flour processing as claimed in claim 1, wherein both sides of the top of the dust-collecting chamber (2) are fixedly provided with fixing blocks (200), the bottom end of the fixing block (200) is provided with an electric telescopic rod (210), and the end part of the telescopic end of the electric telescopic rod (210) is fixedly connected with a supporting seat (220).
3. The dust-removing explosion-proof device for flour processing as claimed in claim 1, wherein the top end of the dust-collecting chamber (2) is provided with an installation opening (260) used in cooperation with the dust outlet channel (110), the bottom end of the dust outlet channel (110) is provided with a fixture block (1100), and the joint of the fixture block (1100) and the installation opening (260) is provided with a sealing ring (1110).
4. The dust-removing explosion-proof device for flour processing as claimed in claim 1, wherein the dust-collecting chamber (2) is provided with an ash outlet (230) at the bottom of the front side thereof, the top end surface of the ash outlet (230) is provided with a clamping groove (240), and a sealing plate (250) is installed inside the clamping groove (240).
5. The dust removal explosion-proof device for flour processing as claimed in claim 1, wherein the dust removal power mechanism (3) comprises a servo motor (300) arranged on the top end of a dust removal box body (1), two cylindrical dust removal cavities are arranged inside the dust removal box body (1), a communication port is arranged between the two dust removal cavities, a main shaft wheel (310) is installed on a main shaft of the servo motor (300), a belt (320) is sleeved on the main shaft wheel (310), a driven shaft wheel (330) is arranged at one end of the belt (320), and filter screen bags (340) matched with the dust removal cavities inside the dust removal box body (1) are installed on the main shaft of the servo motor (300) and a driven shaft connected inside the driven shaft wheel (330).
6. The dust removal explosion-proof device for flour processing as claimed in claim 1, wherein a fan shell (130) is connected to one side of the dust removal box body (1) close to the dust filter screen (1300), a fan (140) is installed inside the fan shell (130), and an activated carbon filter screen shell (150) is connected to one side of the fan shell (130).
7. The dust-removing explosion-proof device for flour processing as claimed in claim 6, wherein a clamping cavity (160) is arranged on one side surface of the activated carbon filter screen shell (150), a connecting block (180) is fittingly installed inside the clamping cavity (160), and one end of the connecting block (180) is fixedly connected with an air outlet shell (170).
8. The dust-removing explosion-proof device for flour processing as claimed in claim 6, wherein the surface of the fan casing (130) is provided with a second screw hole (1310), the surface of the dust-removing box body (1) is provided with a first screw hole (1000) which is collinear with the second screw hole (1310), and the first screw hole (1000) and the second screw hole (1310) are internally provided with adaptive bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111273620.9A CN113877318A (en) | 2021-10-29 | 2021-10-29 | Dust removal explosion-proof equipment is used in flour processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111273620.9A CN113877318A (en) | 2021-10-29 | 2021-10-29 | Dust removal explosion-proof equipment is used in flour processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113877318A true CN113877318A (en) | 2022-01-04 |
Family
ID=79015072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111273620.9A Pending CN113877318A (en) | 2021-10-29 | 2021-10-29 | Dust removal explosion-proof equipment is used in flour processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113877318A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115102562A (en) * | 2022-06-21 | 2022-09-23 | 郑州西亚斯学院 | Electronic computer signal receiving device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0539630U (en) * | 1991-11-06 | 1993-05-28 | 日立工機株式会社 | Dust collector |
| CN203750920U (en) * | 2014-02-26 | 2014-08-06 | 常州市新武机械有限公司 | Dust remover for machining of graphite electrode machine tool |
| CN206454395U (en) * | 2017-01-19 | 2017-09-01 | 江苏平陵机械有限公司 | A kind of excellent exhaust dust device with bag of ash-removal effect |
| CN207838505U (en) * | 2017-07-07 | 2018-09-11 | 湖北鄂农食品科技有限公司 | A kind of flour mill automatic dust removal equipment |
| CN209423847U (en) * | 2018-12-28 | 2019-09-24 | 光触美(青岛)环保科技有限公司 | A kind of powder of lacquer putty for use on production workshop electrostatic dust collection equipment |
-
2021
- 2021-10-29 CN CN202111273620.9A patent/CN113877318A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0539630U (en) * | 1991-11-06 | 1993-05-28 | 日立工機株式会社 | Dust collector |
| CN203750920U (en) * | 2014-02-26 | 2014-08-06 | 常州市新武机械有限公司 | Dust remover for machining of graphite electrode machine tool |
| CN206454395U (en) * | 2017-01-19 | 2017-09-01 | 江苏平陵机械有限公司 | A kind of excellent exhaust dust device with bag of ash-removal effect |
| CN207838505U (en) * | 2017-07-07 | 2018-09-11 | 湖北鄂农食品科技有限公司 | A kind of flour mill automatic dust removal equipment |
| CN209423847U (en) * | 2018-12-28 | 2019-09-24 | 光触美(青岛)环保科技有限公司 | A kind of powder of lacquer putty for use on production workshop electrostatic dust collection equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115102562A (en) * | 2022-06-21 | 2022-09-23 | 郑州西亚斯学院 | Electronic computer signal receiving device |
| CN115102562B (en) * | 2022-06-21 | 2023-06-16 | 郑州西亚斯学院 | Device for receiving electronic computer signal |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220104 |
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| RJ01 | Rejection of invention patent application after publication |