CN213556160U - Industrial dust collector with sterilization and disinfection functions - Google Patents
Industrial dust collector with sterilization and disinfection functions Download PDFInfo
- Publication number
- CN213556160U CN213556160U CN202022393093.2U CN202022393093U CN213556160U CN 213556160 U CN213556160 U CN 213556160U CN 202022393093 U CN202022393093 U CN 202022393093U CN 213556160 U CN213556160 U CN 213556160U
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- box
- fixedly connected
- inner chamber
- inner cavity
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 44
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 241001233242 Lontra Species 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 241000700605 Viruses Species 0.000 abstract description 6
- 230000036541 health Effects 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 230000001580 bacterial effect Effects 0.000 abstract description 5
- 230000003434 inspiratory effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000249 desinfective effect Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000645 desinfectant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model discloses an industrial vacuum cleaner with disinfection function disinfects, comprising a base plate, the equal swing joint in four corners of bottom plate bottom has the universal wheel, the first box of left side fixedly connected with at bottom plate top, the bottom of first box inner chamber is provided with the collecting box, the middle-end and the equal fixedly connected with fixed plate in bottom of collecting box inner chamber, be provided with centrifugal separator between the relative one side of fixed plate. The utility model discloses a collecting box, centrifugal separator, the liquid reserve tank, annotate the liquid pipe, the pump body, first hose, the shower nozzle, ultraviolet lamp, violently manage, HEPA filter screen and active carbon otter board's cooperation is used, but possesses the sterile advantage that disinfects, solved current industrial dust remover at the in-process that removes dust, can't disinfect the disinfection to inspiratory dust, and harmful substance such as bacterial virus can store up on the filter core, the in-process that stores up can constantly grow, seriously harm the problem of health and polluted environment.
Description
Technical Field
The utility model relates to an industrial dust collector technical field specifically is an industrial dust collector with disinfection function disinfects.
Background
The industrial dust collector adopts an alternating current power supply, has higher power, is generally divided into a movable type and a fixed type, and has the working principle that a motor is adopted to drive a high-voltage extension (or an integrated machine) to generate negative pressure in a limited volume so as to generate suction force, after a medium object is sucked, filtering is carried out through a filter bag or a filter vat is carried out for secondary filtering, a common type can only absorb dry medium objects with water content instead, a dry and wet type can absorb oil, water and the like generated in the processing process, and an exhaust pipe is additionally arranged so as to absorb smoke, gas and the like generated in the production operation process.
The existing industrial dust remover can not sterilize and disinfect the sucked dust in the dust removing process, and harmful substances such as bacteria and viruses can be accumulated on the filter element, and can continuously grow in the accumulated process, thereby seriously harming the human health and polluting the environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an industrial vacuum cleaner with disinfection function disinfects possesses the sterile advantage that can disinfect, has solved current industrial vacuum cleaner at the in-process that removes dust, can't disinfect the disinfection to inspiratory dust, and harmful substance such as bacterial virus can store up on the filter core, and the in-process that stores up can constantly grow, seriously endangers the problem of health and polluted environment.
In order to achieve the above object, the utility model provides a following technical scheme: an industrial dust collector with sterilization and disinfection functions comprises a bottom plate, universal wheels are movably connected at four corners of the bottom plate, a first box body is fixedly connected at the left side of the top of the bottom plate, a collecting box is arranged at the bottom of an inner cavity of the first box body, fixing plates are fixedly connected at the middle end and the bottom of the inner cavity of the collecting box, a centrifugal separator is arranged between the opposite sides of the fixing plates, a dust inlet pipe is communicated with the left side of the first box body and is positioned at the centrifugal separator, a fixing frame is transversely and fixedly connected at the top of the inner cavity of the first box body, a dust removal cloth bag is arranged at the top of the fixing frame in a penetrating manner, placing plates are fixedly connected at two sides of the inner cavity of the first box body and are positioned above the fixing frame, a fixing frame is arranged between the tops of the placing, the fastening bolt penetrates through the fixed frame and is in threaded connection with the top of the placing plate, the bottom and the top of the inner cavity of the fixed frame are respectively and fixedly connected with an HEPA filter screen and an activated carbon screen plate, the left side of the first box body is fixedly connected with a liquid storage box, the top of the liquid storage box is fixedly connected with a pump body, the inlet end of the pump body penetrates through the inner cavity of the liquid storage box and extends to the bottom of the inner cavity of the liquid storage box, the outlet end of the pump body is communicated with a first hose, one end, away from the pump body, of the first hose penetrates through the inner cavity of the first box body and is communicated with a transverse pipe, the bottom of the transverse pipe is communicated with a nozzle, the top of the first box body is provided with a box cover, the two sides of the top of the inner cavity of the box cover are both fixedly connected with ultraviolet lamps, the right side of the top of the bottom plate is fixedly connected with a, the other end of the second hose is communicated with the top of the box cover, and the right side of the top of the second box body is fixedly connected with a controller.
Preferably, the two sides of the bottom of the collecting box are fixedly connected with sliding plates, the two sides of the bottom of the inner cavity of the first box are provided with sliding grooves, and the bottom of each sliding plate extends to the inner cavity of each sliding groove and is in sliding contact with the inner wall of each sliding groove.
Preferably, the left side intercommunication at liquid storage tank top has notes liquid pipe, the top thread bush on notes liquid pipe surface is equipped with sealed lid, and fixedly connected with non-slip raised is encircleed on the surface of sealed lid, the through-hole that uses with the collecting box cooperation is seted up to the bottom on first box positive surface.
Preferably, the right side of the transverse pipe is fixedly connected with a supporting plate, the right side of the first box body is provided with a clamping groove matched with the supporting plate, and the right side of the supporting plate extends to an inner cavity of the clamping groove.
Preferably, a lock catch is arranged between the top of the front surface and the top of the back surface of the first box body and the bottom of the front surface and the bottom of the back surface of the box cover, and the output end of the controller is electrically connected with the input ends of the blower, the pump body and the ultraviolet lamp in a one-way mode.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a collecting box, centrifugal separator, the liquid reserve tank, annotate the liquid pipe, the pump body, first hose, the shower nozzle, ultraviolet lamp, violently manage, HEPA filter screen and active carbon otter board's cooperation is used, but possesses the sterile advantage that disinfects, solved current industrial dust remover at the in-process that removes dust, can't disinfect the disinfection to inspiratory dust, and harmful substance such as bacterial virus can store up on the filter core, the in-process that stores up can constantly grow, seriously harm the problem of health and polluted environment.
2. The utility model discloses a use of universal wheel, can make things convenient for this device to remove, thereby carry out the dust removal of different positions, use through slide and spout, can conveniently take the collecting box out, thereby can empty its inside dust of collecting, use through the through-hole, can supply the collecting box to pass through, use through annotating the liquid pipe, can add the antiseptic solution to the liquid reserve tank, use through first hose, can conveniently violently manage and remove, avoid it to cause sheltering from and make fixed frame can't take out fixed frame to fixed frame, use through the hasp, can fix the top at first box with the case lid, use through placing the board, can support fixed frame, use through fastening bolt, can fix fixed frame at the top of placing the board, avoid it to take place to rock.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged structural view of A in FIG. 1 according to the present invention;
fig. 3 is a partial main view structure diagram of the present invention.
In the figure: 1 bottom plate, 2 universal wheels, 3 fixed plates, 4 first boxes, 5 collecting boxes, 6 centrifugal separators, 7 dust inlet pipes, 8 liquid storage boxes, 9 liquid injection pipes, 10 pump bodies, 11 first hoses, 12 spray heads, 13 ultraviolet lamps, 14 transverse pipes, 15 box covers, 16 second hoses, 17 supporting plates, 18 fixing frames, 19 dust removal cloth bags, 20 controllers, 21 air blowers, 22 second boxes, 23 placing plates, 24 fixing frames, 25 HEPA filter screens, 26 activated carbon mesh plates, 27 fastening bolts and 28 lock catches.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, an industrial vacuum cleaner with sterilization and disinfection functions comprises a bottom plate 1, universal wheels 2 are movably connected at four corners of the bottom plate 1, the device can be moved conveniently by using the universal wheels 2, so as to remove dust at different positions, a first box body 4 is fixedly connected at the left side of the top of the bottom plate 1, a collecting box 5 is arranged at the bottom of the inner cavity of the first box body 4, a fixing plate 3 is fixedly connected at the middle end and the bottom of the inner cavity of the collecting box 5, a centrifugal separator 6 is arranged between the opposite sides of the fixing plate 3, a dust inlet pipe 7 is communicated with the left side of the first box body 4 and positioned at the centrifugal separator 6, a fixing frame 18 is transversely and fixedly connected at the top of the inner cavity of the first box body 4, a dust removing cloth bag 19 is arranged at the top of the fixing frame 18 in a penetrating manner, placing plates 23 are fixedly, the fixing frame 24 can be supported by using the placing plate 23, the fixing frame 24 is arranged between the tops of the placing plate 23, the fastening bolts 27 are arranged on two sides of the top of the fixing frame 24 in a penetrating manner, the fixing frame 24 can be fixed on the top of the placing plate 23 by using the fastening bolts 27 to avoid shaking, the fastening bolts 27 penetrate through the fixing frame 24 and are in threaded connection with the top of the placing plate 23, the bottom and the top of the inner cavity of the fixing frame 24 are respectively and fixedly connected with an HEPA filter screen 25 and an activated carbon screen plate 26, the left side of the first box body 4 is fixedly connected with the liquid storage box 8, the top of the liquid storage box 8 is fixedly connected with the pump body 10, the inlet end of the pump body 10 penetrates through the inner cavity of the liquid storage box 8 and extends to the bottom of the inner cavity, the outlet end of the pump body 10 is communicated with the first hose 11, through the use of the first hose 11, the transverse pipe 14 can, one end, far away from the pump body 10, of the first hose 11 penetrates through an inner cavity of the first box body 4 and is communicated with a transverse pipe 14, the bottom of the transverse pipe 14 is communicated with a spray head 12, a box cover 15 is arranged at the top of the first box body 4, ultraviolet lamps 13 are fixedly connected to two sides of the top of the inner cavity of the box cover 15, a second box body 22 is fixedly connected to the right side of the top of the bottom plate 1, an air blower 21 is fixedly connected to the left side of the inner cavity of the second box body 22, an air inlet end of the air blower 21 penetrates through the top of the second box body 22 and is communicated with a second hose 16, the other end of the second hose 16 is communicated with the top of the box cover;
the two sides of the bottom of the collecting box 5 are fixedly connected with sliding plates, the two sides of the bottom of the inner cavity of the first box body 4 are provided with sliding grooves, the bottom of each sliding plate extends to the inner cavity of each sliding groove and is in sliding contact with the inner wall of each sliding groove, and the collecting box 5 can be conveniently drawn out through the use of the sliding plates and the sliding grooves, so that dust collected in the collecting box can be poured;
the left side of the top of the liquid storage box 8 is communicated with a liquid injection pipe 9, a sealing cover is sleeved on the top of the surface of the liquid injection pipe 9 in a threaded manner, an anti-skid protrusion is fixedly connected to the surface of the sealing cover in a surrounding manner, disinfectant can be added into the liquid storage box 8 through the use of the liquid injection pipe 9, a through hole matched with the collecting box 5 for use is formed in the bottom of the front surface of the first box body 4, and the collecting box 5 can pass through the through hole;
a supporting plate 17 is fixedly connected to the right side of the transverse pipe 14, a clamping groove matched with the supporting plate 17 is formed in the position, located on the right side of the first box body 4, of the supporting plate 17, and the right side of the supporting plate 17 extends to an inner cavity of the clamping groove;
the lock catches 28 are arranged between the top of the front surface and the top of the back surface of the first box body 4 and the bottom of the front surface and the bottom of the back surface of the box cover 15, the box cover 15 can be fixed on the top of the first box body 4 through the use of the lock catches 28, and the output end of the controller 20 is electrically connected with the input ends of the blower 21, the pump body 10 and the ultraviolet lamp 13 in a one-way mode;
through collecting box 5, centrifugal separator 6, the liquid reserve tank 8, annotate liquid pipe 9, the pump body 10, first hose 11, shower nozzle 12, ultraviolet lamp 13, violently pipe 14, HEPA filter screen 25 and active carbon otter board 26's cooperation is used, but possess the sterile advantage that disinfects, but solved current industrial dust remover at the in-process that removes dust, can't disinfect the disinfection to inspiratory dust, and harmful substance such as bacterial virus can pile up on the filter core, the in-process that piles up can constantly grow, seriously harm the problem of health and polluted environment.
When in use, the device is pushed to a place needing dust removal, then the operation controller 20 starts the air blower 21, the second hose 16 is pumped through the work of the air blower, so that external dust enters through the dust inlet pipe 7, the dust is separated through the centrifugal separator 6 and then is filtered through the dust removal cloth bag 19, the filtered dust falls into the collecting box 5 to be collected, then fine particles in the dust are filtered and adsorbed through the HEPA filter screen 25 and the active carbon screen plate 26 respectively, then the operation controller 20 starts the pump body 10, disinfectant inside the liquid storage box 8 is extracted through the work of the pump body, atomized liquid is sprayed out through the first hose 11, the transverse pipe 14 and the spray head 12, the filtered gas is disinfected, meanwhile, the ultraviolet lamp 13 irradiates for sterilization and disinfection, finally, the clean gas enters the second hose 16 and is discharged to the outside through the air outlet end of the air blower 21, reach the effect of dust removal and disinfection of disinfecting, when needs are changed through HEPA filter screen 25 and active carbon otter board 26, open hasp 28, then take off case lid 15, and move violently pipe 14 left, shift out backup pad 17 from the draw-in groove, then make first hose 11 hug closely the left side of first box 4 inner wall, unscrew fastening bolt 27 again, can upwards take out fixed frame 24, thereby can change its inside HEPA filter screen 25 and active carbon otter board 26.
In summary, the following steps: this industrial vacuum cleaner with disinfection function of disinfecting, through collecting box 5, centrifugal separator 6, the liquid reserve tank 8, annotate liquid pipe 9, the pump body 10, first hose 11, shower nozzle 12, ultraviolet lamp 13, violently manage 14, HEPA filter screen 25 and active carbon otter board 26's cooperation is used, current industrial vacuum cleaner has been solved at the in-process that removes dust, the disinfection of can't disinfecting to inspiratory dust, and harmful substance such as bacterial virus can pile up on the filter core, the in-process that piles up can constantly grow, seriously harm health and polluted environment's problem.
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 (5)
1. An industrial dust collector with sterilization and disinfection functions comprises a bottom plate (1), and is characterized in that: the dust collection box is characterized in that universal wheels (2) are movably connected to four corners of the bottom plate (1), a first box body (4) is fixedly connected to the left side of the top of the bottom plate (1), a collection box (5) is arranged at the bottom of an inner cavity of the first box body (4), a fixed plate (3) is fixedly connected to the middle end and the bottom of the inner cavity of the collection box (5), a centrifugal separator (6) is arranged between opposite sides of the fixed plate (3), a dust inlet pipe (7) is communicated with the left side of the first box body (4) and is positioned at the centrifugal separator (6), a fixed frame (18) is transversely and fixedly connected to the top of the inner cavity of the first box body (4), a dust collection cloth bag (19) penetrates through the top of the fixed frame (18), and placing plates (23) are fixedly connected to two sides of the inner cavity of the, the utility model discloses a safe and safe type water pump, be provided with fixed frame (24) between the top of placing board (23), the both sides at fixed frame (24) top all run through and are provided with fastening bolt (27), fastening bolt (27) run through fixed frame (24) and with the top threaded connection who places board (23), the bottom and the top of fixed frame (24) inner chamber are fixedly connected with HEPA filter screen (25) and active carbon otter board (26) respectively, the left side fixedly connected with liquid reserve tank (8) of first box (4), the top fixedly connected with pump body (10) of liquid reserve tank (8), the inlet end of pump body (10) runs through to the inner chamber of liquid reserve tank (8) and extends to the bottom of its inner chamber, the outlet end intercommunication of pump body (10) has first hose (11), the one end that first hose (11) kept away from the pump body (10) runs through to the inner chamber of first box (4) leads to horizontal pipe (14), the bottom intercommunication of violently managing (14) has shower nozzle (12), the top of first box (4) is provided with case lid (15), the equal fixedly connected with ultraviolet lamp (13) in both sides at case lid (15) inner chamber top, the right side fixedly connected with second box (22) at bottom plate (1) top, the left side fixedly connected with air-blower (21) of second box (22) inner chamber, the air inlet end of air-blower (21) runs through to the top and the intercommunication of second box (22) has second hose (16), the other end of second hose (16) communicates in the top of case lid (15), the right side fixedly connected with controller (20) at second box (22) top.
2. The industrial vacuum cleaner with sterilization and disinfection functions as claimed in claim 1, wherein: the collecting box is characterized in that sliding plates are fixedly connected to two sides of the bottom of the collecting box (5), sliding grooves are formed in two sides of the bottom of the inner cavity of the first box body (4), and the bottom of each sliding plate extends to the inner cavity of each sliding groove and is in sliding contact with the inner wall of each sliding groove.
3. The industrial vacuum cleaner with sterilization and disinfection functions as claimed in claim 1, wherein: the left side intercommunication at liquid reserve tank (8) top has notes liquid pipe (9), the top thread bush on notes liquid pipe (9) surface is equipped with sealed lid, and the fixed connection antiskid ribbed tile is encircleed on the surface of sealed lid, the through-hole that uses with collecting box (5) cooperation is seted up to the bottom on first box (4) positive surface.
4. The industrial vacuum cleaner with sterilization and disinfection functions as claimed in claim 1, wherein: the right side of violently pipe (14) fixedly connected with backup pad (17), the right side of first box (4) just is located backup pad (17) and offers the draw-in groove rather than the cooperation use, the right side of backup pad (17) extends to the inner chamber of draw-in groove.
5. The industrial vacuum cleaner with sterilization and disinfection functions as claimed in claim 1, wherein: and a lock catch (28) is arranged between the top of the front surface and the top of the back surface of the first box body (4) and the bottom of the front surface and the bottom of the back surface of the box cover (15), and the output end of the controller (20) is electrically connected with the input ends of the air blower (21), the pump body (10) and the ultraviolet lamp (13) in a one-way mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022393093.2U CN213556160U (en) | 2020-10-23 | 2020-10-23 | Industrial dust collector with sterilization and disinfection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022393093.2U CN213556160U (en) | 2020-10-23 | 2020-10-23 | Industrial dust collector with sterilization and disinfection functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213556160U true CN213556160U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022393093.2U Active CN213556160U (en) | 2020-10-23 | 2020-10-23 | Industrial dust collector with sterilization and disinfection functions |
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| Country | Link |
|---|---|
| CN (1) | CN213556160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570136A (en) * | 2022-03-03 | 2022-06-03 | 郑州戴纳光电技术有限公司 | Integrated device for flue gas dechlorination |
-
2020
- 2020-10-23 CN CN202022393093.2U patent/CN213556160U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570136A (en) * | 2022-03-03 | 2022-06-03 | 郑州戴纳光电技术有限公司 | Integrated device for flue gas dechlorination |
| CN114570136B (en) * | 2022-03-03 | 2024-01-30 | 郑州戴纳光电技术有限公司 | Integrated device for removing chlorine from flue gas |
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Effective date of registration: 20240122 Address after: 8 Gaoxin South 4th Road, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Zhang Hua Country or region after: China Patentee after: Zhang Lili Address before: 215699 B15, building 28, hardware electromechanical Plaza, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: Suzhou Hujie environmental protection equipment Co.,Ltd. Country or region before: China |
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Effective date of registration: 20240226 Address after: A702-62, 7th Floor, Block A, Building A, Jiangsu Building, No. 6013 Yitian Road, Fuxin Community, Lianhua Street, Futian District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Aishang Technology Environmental Protection Co.,Ltd. Country or region after: China Address before: 8 Gaoxin South 4th Road, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Zhang Hua Country or region before: China Patentee before: Zhang Lili |