CN106839805A - A kind of intelligent wind-cooled cold-water machine based on Internet of Things - Google Patents
A kind of intelligent wind-cooled cold-water machine based on Internet of Things Download PDFInfo
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- CN106839805A CN106839805A CN201710050350.2A CN201710050350A CN106839805A CN 106839805 A CN106839805 A CN 106839805A CN 201710050350 A CN201710050350 A CN 201710050350A CN 106839805 A CN106839805 A CN 106839805A
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- things
- internet
- cooled cold
- water machine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
Abstract
The present invention relates to a kind of intelligent wind-cooled cold-water machine based on Internet of Things, including main body, it is arranged on the base below main body, it is arranged on the thermovent above main body, the air inlet pipe for being arranged on body side and two water pipe fixed mechanisms for being arranged on main body opposite side, the main body is provided with display screen, switch and some operation buttons, after the intelligent wind-cooled cold-water machine based on Internet of Things is fixed water pipe by the fastening unit in clamping plate, realize that water pipe is docked with waterpipe jointing using unit is shunk, condensed water is facilitated to circulate, cone is shaped as due to waterpipe jointing, therefore the water pipe for being applied to any bore is docked, moreover, because driver element drives two air admission units to introduce air, therefore increased and air capacity is introduced in the FU time, so as to ensure that the refrigerating efficiency of water cooling unit, improve the practicality of equipment.
Description
Technical field
The present invention relates to refrigerating field, more particularly to a kind of intelligent wind-cooled cold-water machine based on Internet of Things.
Background technology
Wind-cooled cold-water machine is also called air-cooled box-shaped industrial cold water group, is a kind of industry for various different process, will
Equipment reaches a kind of equipment of technique purpose by methods for cooling, its be widely used in electronics, plating, food, machinery, chemical industry,
The industries such as laser, fabrication, medical treatment.Because its source for exchanging heat is other, outfit has a special electric fan, therefore is referred to as " air-cooled ".
Two waterpipe jointings are typically provided with wind-cooled cold-water machine, are flowed into and out for condensed water, form circulation, but it is existing
Wind-cooled cold-water machine on waterpipe jointing mostly structure fix, cause cooling-water machine to only have access the single water pipe of caliber size, when
When waterpipe jointing size on the water pipe and cooling-water machine of device to be cooled is mismatched, cooling-water machine cannot be connected completion refrigeration with equipment
Operation, moreover, wind-cooled cold-water machine is higher to environmental requirement, and wind-cooled cold-water machine is cooled down by medium of air, and is showed
Some wind-cooled cold-water machines generally introduce air using fan, and air introduction amount is low, particularly in the less work of some ventilations
In environment, the refrigerating efficiency of equipment will have a greatly reduced quality, so as to the practicality for causing wind-cooled cold-water machine is reduced.
The content of the invention
The technical problem to be solved in the present invention is：In order to overcome the deficiencies in the prior art, there is provided a kind of based on Internet of Things
Intelligent wind-cooled cold-water machine.
The technical solution adopted for the present invention to solve the technical problems is：A kind of intelligent wind-cooled cold-water based on Internet of Things
Machine, including main body, the base being arranged on below main body, the thermovent being arranged on above main body, the air inlet that is arranged on body side
Manage and be arranged on two water pipe fixed mechanisms of main body opposite side, if the main body be provided with display screen, switch and dry run by
Button；
The water pipe fixed mechanism includes waterpipe jointing, clamping plate and is arranged on the telescopic unit of waterpipe jointing both sides, described
Waterpipe jointing is shaped as cone, and the telescopic unit is connected with clamping plate, the telescopic unit includes that first drives electricity
Machine, the first drive shaft and sleeve pipe, first motor are fixed in main body, first motor and the first drive shaft
Drive connection, described sleeve pipe is set in the first drive shaft and is connected with Boards wall, and first drive shaft is provided with outer spiral shell
Line, is provided with internal thread in described sleeve pipe, the external screw thread in first drive shaft matches with the internal thread in sleeve pipe；
The center of the clamping plate is provided with opening, and some fastening units are provided with the opening, and the fastening unit is with opening
Center is circumferentially evenly distributed in opening for the center of circle；
Admission gear is provided with the air inlet pipe, the mechanism includes driver element, is arranged on entering for driver element both sides
Gas unit and tracheae, the driver element and air admission unit are connected, the air admission unit include piston, cylinder, air inlet pipe,
Escaping pipe, one end of the piston is connected with driver element, and the other end of the piston is arranged in cylinder, the air inlet pipe and
Escaping pipe is connected with cylinder, and air intake valve is provided with the air inlet pipe, and outlet valve, the outlet are provided with the escaping pipe
Pipe is connected by tracheae with the inside of main body.
Preferably, water pipe fastening for convenience, the fastening unit is including fastening box, pole and fixture block, the fastening
Box is fixed on clamping plate, and one end of the pole is arranged in fastening box, and the other end of the pole is fixedly connected with fixture block, institute
State and pressure sensor, first coil, spring and the second coil are provided with fastening box, the pressure sensor is fixed in fastening box
Bottom, the first coil is fixedly connected with pressure sensor, and the first coil fixes company by spring with the second coil
Connect, second coil is fixedly connected with pole.
Preferably, having resilient function using block rubber, in order that fixture block can fully clamp water pipe, the fixture block is
Block rubber.
Preferably, in order to band piston move, the driver element include the second motor, driving wheel, framework and
Two position-limiting units, second motor is connected with driving wheel, and the fix bar is fixed on the drive wheel and set
In framework, the framework is fixedly connected with the piston, and two position-limiting units are separately positioned on the both sides of framework, described spacing
Unit includes connecting rod and limiting plate, and the limiting plate is provided with groove near the side of framework, and one end and the framework of the connecting rod are consolidated
Fixed connection, the other end of the connecting rod is arranged in the groove of framework.
Preferably, using DC servo motor driving force it is strong the characteristics of, in order to can guarantee that the driving of the second motor
Ability, second motor is DC servo motor.
Preferably, air intake valve and outlet valve are controlled for convenience, the air intake valve and outlet valve are electricity
Magnet valve.
Preferably, prompting user notes equipment operation condition for convenience, loudspeaker is additionally provided with the main body.
Preferably, in order to provide good man-machine display interface, the display screen is LCDs.
Preferably, remote control facilities for observation for convenience, bluetooth is additionally provided with the main body.
Preferably, the carrying moving operation of equipment for convenience, universal wheel is provided with below the base.
The beneficial effects of the invention are as follows this is based on the intelligent wind-cooled cold-water machine of Internet of Things by the fastening unit in clamping plate
After water pipe is fixed, realize that water pipe is docked with waterpipe jointing using unit is shunk, facilitate condensed water to circulate, due to waterpipe jointing
Cone is shaped as, therefore suitable for the water pipe docking of any bore, moreover, because driver element drives two air inlet lists
Unit introduces air, therefore increased introducing air capacity in the FU time, so as to ensure that the refrigerating efficiency of water cooling unit, improves
The practicality of equipment.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the intelligent wind-cooled cold-water machine based on Internet of Things of the invention；
Fig. 2 is the structural representation of the water pipe fixed mechanism of the intelligent wind-cooled cold-water machine based on Internet of Things of the invention；
Fig. 3 is the structural representation of the clamping plate of the intelligent wind-cooled cold-water machine based on Internet of Things of the invention；
Fig. 4 is the structural representation of the fastening unit of the intelligent wind-cooled cold-water machine based on Internet of Things of the invention；
Fig. 5 is the structural representation of the admission gear of the intelligent wind-cooled cold-water machine based on Internet of Things of the invention；
Fig. 6 is the structural representation of the driver element of the intelligent wind-cooled cold-water machine based on Internet of Things of the invention；
Fig. 7 is the structural representation of the air admission unit of the intelligent wind-cooled cold-water machine based on Internet of Things of the invention；
In figure：1. base, 2. main body, 3. air inlet pipe, 4. water pipe fixed mechanism, 5. thermovent, 6. display screen, 7. switchs,
8. loudspeaker, 9. operation button, 10. universal wheel, 11. waterpipe jointings, 12. first motors, 13. first drive shafts, 14. sets
Pipe, 15. clamping plates, 16. openings, 17. fastening units, 18. fastening boxes, 19. pressure sensors, 20. first coils, 21. springs,
22. second coils, 23. poles, 24. fixture blocks, 25. driver elements, 26. air admission units, 27. tracheaes, 28. second motors,
29. driving wheels, 30. fix bars, 31. frameworks, 32. connecting rods, 33. limiting plates, 34. pistons, 35. cylinders, 36. air inlet pipe, 37. enter
Air valve, 38. escaping pipes, 39. outlet valves.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
As shown in Fig. 1-Fig. 7, a kind of intelligent wind-cooled cold-water machine based on Internet of Things, including main body 2, it is arranged on main body 2
The base 1 of lower section, the thermovent 5 for being arranged on the top of main body 2, the air inlet pipe 3 for being arranged on the side of main body 2 and to be arranged on main body 2 another
Two water pipe fixed mechanisms 4 of side, the main body 2 is provided with display screen 6, switch 7 and some operation buttons 9；
The water pipe fixed mechanism 4 includes waterpipe jointing 11, clamping plate 15 and is arranged on the flexible list of the both sides of waterpipe jointing 11
Unit, the waterpipe jointing 11 is shaped as cone, and the telescopic unit is connected with clamping plate 15, the telescopic unit includes
First motor 12, the first drive shaft 13 and sleeve pipe 14, first motor 12 are fixed on the body 2, and described first
Motor 12 is connected with the first drive shaft 13, and described sleeve pipe 14 is set in the first drive shaft 13 and is fixed with clamping plate 15
Connection, first drive shaft 13 is provided with external screw thread, described sleeve pipe 14 and is provided with internal thread, in first drive shaft 13
External screw thread matches with the internal thread in sleeve pipe 14；
The center of the clamping plate 15 is provided with opening 16, and some fastening units 17 are provided with the opening 16, and the fastening is single
Unit 17 is circumferentially evenly distributed in opening 16 with the center of opening 16 as the center of circle；
Admission gear is provided with the air inlet pipe 3, the mechanism includes driver element 25, is arranged on driver element both sides
Air admission unit 26 and tracheae 27, the driver element 25 are connected with air admission unit 26, and the air admission unit 26 includes piston
34th, cylinder 35, air inlet pipe 36, escaping pipe 38, one end of the piston 34 are connected with driver element 25, the piston 34 it is another
End is arranged in cylinder 35, and the air inlet pipe 36 and escaping pipe 38 are connected with cylinder 35, and air inlet is provided with the air inlet pipe 36
Outlet valve 39 is provided with valve 37, the escaping pipe 38, the escaping pipe 38 is connected by tracheae 27 with the inside of main body 2.
Preferably, water pipe is fastened for convenience, the fastening unit 17 includes fastening box 18, pole 23 and fixture block 24,
The fastening box 18 is fixed on clamping plate 15, and one end of the pole 23 is arranged in fastening box 18, the pole 23 it is another
End is fixedly connected with fixture block 24, and pressure sensor 19, first coil 20, the coil of spring 21 and second are provided with the fastening box 18
22, the pressure sensor 19 is fixed on the bottom in fastening box 18, and the first coil 20 is fixed with pressure sensor 19 and connected
Connect, the first coil 20 is fixedly connected by spring 21 with the second coil 22, second coil 22 is fixed with pole 23 and connected
Connect.
Preferably, have resilient function using block rubber, in order that fixture block 24 can fully clamp water pipe, the fixture block
24 is block rubber.
Preferably, in order to band piston 34 is moved, the driver element 25 includes the second motor 28, driving wheel
30th, framework 31 and two position-limiting units, second motor 28 are connected with driving wheel 28, and the fix bar 30 is fixed
On driving wheel 28 and it is arranged in framework 31, the framework 31 is fixedly connected with piston 34, two position-limiting units difference
The both sides of framework 31 are arranged on, the position-limiting unit includes connecting rod 32 and limiting plate 33, and the limiting plate 33 is near framework 31
Side is provided with groove, and one end of the connecting rod 32 is fixedly connected with framework 31, and the other end of the connecting rod 32 is arranged on framework 31
Groove in.
Preferably, using DC servo motor driving force it is strong the characteristics of, in order to can guarantee that the drive of the second motor 28
Kinetic force, second motor 28 is DC servo motor.
Preferably, air intake valve 37 and outlet valve 39, the air intake valve 37 and outlet valve are controlled for convenience
39 are magnetic valve.
Preferably, prompting user notes equipment operation condition for convenience, loudspeaker 8 is additionally provided with the main body 2.
Preferably, in order to provide good man-machine display interface, the display screen 6 is LCDs.
Preferably, being additionally provided with bluetooth in remote control facilities for observation for convenience, the main body 2.
Preferably, the carrying moving operation of equipment for convenience, the lower section of the base 1 is provided with universal wheel 10.
, it is necessary to pass through two water pipe fixed mechanisms 4 of the side of main body 2 by equipment to be cooled before wind-cooled cold-water machine operation
Two water pipe connections, condensed water water inlet and delivery port as equipment realize circulating water, in order to realize the water of different model
Pipe is matched, and after in the opening 16 of water pipe insertion clamping plate 15, the fastening unit 17 in opening 16 is fastened to water pipe, by giving
The coil 22 of first coil 20 and second is powered, and the coil 22 of first coil 20 and second is produced mutually exclusive active force, makes folder
Block 24 is moved by pole 23 to the center of opening 16, and after multiple fixture blocks 24 fix water pipe, the pressure of fastening box 18 bottom is passed
Sensor 19 detects pressure data, and now the first motor 12 in telescopic unit is rotated, and drives the first drive shaft 13 along it
Center axis thereof, makes sleeve pipe 14 be moved to the first motor 12, drives clamping plate 15 to be moved to waterpipe jointing 11, so that water
Pipe is docked with waterpipe jointing 11, and due to the cone that is shaped as of waterpipe jointing 11, water pipe is from the big place of the bore of waterpipe jointing 11
Into the small place of bore, until when the bore at waterpipe jointing 11 is identical with water pipe bore, so that docking operation is completed, it is convenient
Condensed water circulates.The intelligent wind-cooled cold-water machine for being based on Internet of Things is fixed water pipe by the fastening unit 17 in clamping plate 15
Afterwards, realize that water pipe is docked with waterpipe jointing 11 using shrinking unit, facilitate condensed water to circulate, due to being shaped as waterpipe jointing 11
Cone, therefore suitable for the water pipe docking of any bore.
After completing water pipe docking, Push switch 7, the admission gear in air inlet pipe 3 starts to introduce extraneous air, admission gear
During operation, the second motor 28 drives driving wheel 29 to rotate, and makes the translation in framework 31 of the fix bar 30 on drive block 29, makes
Framework 31 moves back and forth, and drives the air admission unit 26 of both sides to realize intake operation, when framework 31 with piston 34 in cylinder 35
When portion moves, the air intake valve 37 in air inlet pipe 36 is closed, and the outlet valve 39 in escaping pipe 38 is opened, and air is passed through into tracheae
27 press-in main bodys 2 inside, when framework 31 with piston 34 to being moved outside cylinder 35 when, the air intake valve in air inlet pipe 36 37 dozens
Open, the outlet valve 39 in escaping pipe 38 is closed, so that the suction extraneous air of cylinder 35, because driver element 25 drives two
Air admission unit 26 introduces air, therefore increased introducing air capacity in the FU time, so as to ensure that the refrigeration of water cooling unit
Efficiency, improves the practicality of equipment.
Compared with prior art, the intelligent wind-cooled cold-water machine of Internet of Things should be based on by the fastening unit 17 in clamping plate 15
After water pipe is fixed, realize that water pipe is docked with waterpipe jointing 11 using unit is shunk, facilitate condensed water to circulate, due to waterpipe jointing
11 are shaped as cone, therefore suitable for the water pipe docking of any bore, moreover, because driver element 25 drives two
Air admission unit 26 introduces air, therefore increased introducing air capacity in the FU time, so as to ensure that the refrigeration of water cooling unit
Efficiency, improves the practicality of equipment.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (10)
1. a kind of intelligent wind-cooled cold-water machine based on Internet of Things, it is characterised in that including main body (2), be arranged under main body (2)
The base (1) of side, the thermovent (5) being arranged on above main body (2), the air inlet pipe (3) for being arranged on main body (2) side and it is arranged on
Two water pipe fixed mechanisms (4) of main body (2) opposite side, the main body (2) is provided with display screen (6), switch (7) and some behaviour
Make button (9)；
The water pipe fixed mechanism (4) is including waterpipe jointing (11), clamping plate (15) and is arranged on stretching for waterpipe jointing (11) both sides
Contracting unit, the waterpipe jointing (11) is shaped as cone, and the telescopic unit is connected with clamping plate (15), described flexible
Unit includes the first motor (12), the first drive shaft (13) and sleeve pipe (14), and first motor (12) is fixed on
In main body (2), first motor (12) is connected with the first drive shaft (13), and described sleeve pipe (14) is set in first
It is fixedly connected in drive shaft (13) and with clamping plate (15), first drive shaft (13) is provided with external screw thread, described sleeve pipe (14)
Internal thread is inside provided with, the external screw thread on first drive shaft (13) matches with the internal thread in sleeve pipe (14)；
The center of the clamping plate (15) is provided with and some fastening units (17) is provided with opening (16), the opening (16), described tight
Gu unit (17) is circumferentially evenly distributed in opening (16) with opening (16) center as the center of circle；
Admission gear is provided with the air inlet pipe (3), the mechanism includes driver element (25), is arranged on driver element both sides
Air admission unit (26) and tracheae (27), the driver element (25) are connected with air admission unit (26), the air admission unit
(26) including piston (34), cylinder (35), air inlet pipe (36), escaping pipe (38), one end of the piston (34) and driver element
(25) connect, the other end of the piston (34) is arranged in cylinder (35), the air inlet pipe (36) and escaping pipe (38) with
Cylinder (35) is connected, and is provided with the air inlet pipe (36) in air intake valve (37), the escaping pipe (38) and is provided with outlet valve
(39), the escaping pipe (38) is connected by tracheae (27) with the inside of main body (2).
2. the intelligent wind-cooled cold-water machine of Internet of Things is based on as claimed in claim 1, it is characterised in that the fastening unit
(17) including fastening box (18), pole (23) and fixture block (24), fastening box (18) is fixed on clamping plate (15), the pole
(23) one end is arranged in fastening box (18), and the other end of the pole (23) is fixedly connected with fixture block (24), the fastening
Pressure sensor (19), first coil (20), spring (21) and the second coil (22), the pressure sensor are provided with box (18)
(19) bottom in fastening box (18) is fixed on, the first coil (20) is fixedly connected with pressure sensor (19), described the
One coil (20) is fixedly connected by spring (21) with the second coil (22), and second coil (22) is fixed with pole (23) to be connected
Connect.
3. the intelligent wind-cooled cold-water machine based on Internet of Things as claimed in claim 2, it is characterised in that the fixture block (24) is
Block rubber.
4. the intelligent wind-cooled cold-water machine of Internet of Things is based on as claimed in claim 1, it is characterised in that the driver element
(25) including the second motor (28), driving wheel (30), framework (31) and two position-limiting units, second motor
(28) it is connected with driving wheel (28), the fix bar (30) is fixed on driving wheel (28) and is arranged in framework (31),
The framework (31) is fixedly connected with piston (34), and two position-limiting units are separately positioned on the both sides of framework (31), described
Position-limiting unit includes connecting rod (32) and limiting plate (33), and the limiting plate (33) is provided with groove near the side of framework (31), institute
The one end for stating connecting rod (32) is fixedly connected with framework (31), and the other end of the connecting rod (32) is arranged on the groove of framework (31)
It is interior.
5. the intelligent wind-cooled cold-water machine of Internet of Things is based on as claimed in claim 4, it is characterised in that described second drives electricity
Machine (28) is DC servo motor.
6. the intelligent wind-cooled cold-water machine of Internet of Things is based on as claimed in claim 1, it is characterised in that the air intake valve
And outlet valve (39) is magnetic valve (37).
7. the intelligent wind-cooled cold-water machine of Internet of Things is based on as claimed in claim 1, it is characterised in that on the main body (2)
It is additionally provided with loudspeaker (8).
8. the intelligent wind-cooled cold-water machine of Internet of Things is based on as claimed in claim 1, it is characterised in that the display screen (6)
It is LCDs.
9. the intelligent wind-cooled cold-water machine of Internet of Things is based on as claimed in claim 1, it is characterised in that in the main body (2)
It is additionally provided with bluetooth.
10. the intelligent wind-cooled cold-water machine of Internet of Things is based on as claimed in claim 1, it is characterised in that the base (1)
Lower section is provided with universal wheel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050350.2A CN106839805B (en) | 2017-01-23 | 2017-01-23 | A kind of intelligent wind-cooled cold-water machine based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050350.2A CN106839805B (en) | 2017-01-23 | 2017-01-23 | A kind of intelligent wind-cooled cold-water machine based on Internet of Things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106839805A true CN106839805A (en) | 2017-06-13 |
| CN106839805B CN106839805B (en) | 2018-12-25 |
Family
ID=59120854
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710050350.2A Active CN106839805B (en) | 2017-01-23 | 2017-01-23 | A kind of intelligent wind-cooled cold-water machine based on Internet of Things |
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| Country | Link |
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| CN108343917A (en) * | 2018-02-06 | 2018-07-31 | 深圳市中科智诚科技有限公司 | A kind of strong intelligent LED street lamp of irradiation brightness suitable for wet weather |
| CN108534583A (en) * | 2017-08-10 | 2018-09-14 | 北京市鑫全盛科技有限公司 | Constrictor and water-filled radiator for water-filled radiator |
| CN111522414A (en) * | 2020-04-27 | 2020-08-11 | 齐鲁工业大学 | Computer thing networking installing support |
| CN113224406A (en) * | 2021-05-07 | 2021-08-06 | 乐清市俊泰机械有限公司 | New energy automobile battery heat dissipation fire extinguishing systems |
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| CN113224406B (en) * | 2021-05-07 | 2022-08-30 | 缪长青 | New energy automobile battery heat dissipation fire extinguishing systems |
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Effective date of registration: 20181106 Address after: 362100 Quanzhou, Fujian, Taiwan investment zone, Luoyang Town, Luoyang village, new town east 2, Room 301. Applicant after: Quanzhou Taiwan Investment Zone Xin GUI Feng building materials technology Co., Ltd. Address before: 362300 photovoltaic industry park, Xia Mei Town, Nanan City, Quanzhou, Fujian Applicant before: Nanan datatec Sanitary Ware Co. Ltd. |
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Effective date of registration: 20200326 Address after: Room B-270, No.1, Shuntong Avenue, Nanfaxin Town, Shunyi District, Beijing 101300 Patentee after: Beijing Xinyuan Zhuren Technology Development Co., Ltd Address before: 362100 Quanzhou, Fujian, Taiwan investment zone, Luoyang Town, Luoyang village, new town east 2, Room 301. Patentee before: Quanzhou investment from Taiwan area Xin Guifeng building materials Science and Technology Ltd. |
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