CN110486316A - A kind of more industrial big fan centralized control systems - Google Patents
A kind of more industrial big fan centralized control systems Download PDFInfo
- Publication number
- CN110486316A CN110486316A CN201910782971.9A CN201910782971A CN110486316A CN 110486316 A CN110486316 A CN 110486316A CN 201910782971 A CN201910782971 A CN 201910782971A CN 110486316 A CN110486316 A CN 110486316A
- Authority
- CN
- China
- Prior art keywords
- fan
- key
- industrial big
- frequency
- indicator light
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/007—Conjoint control of two or more different functions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
Abstract
A kind of more industrial big fan centralized control systems, industrial big fan for more to be equipped with frequency-variable controller carries out Centralized Monitoring, the frequency-variable controller of more industrial big fans is connect with the same Centralized Controller, Centralized Controller is equipped with touch screen, it can show that fan is uniformly controlled interface on touch screen, fan Centralized Monitoring interface and single fan monitoring interface, fan be uniformly controlled interface can rotation to all industrial big fans and frequency be uniformly controlled, fan Centralized Monitoring interface being capable of the respective number of the industrial big fan of centralized displaying every, frequency, connection status and malfunction, the single fan monitoring interface of each industrial big fan is switched to by the number of each industrial big fan, single fan monitoring interface can control the rotation of an industrial big fan, and monitor the frequency of the industrial big fan of this Rate and malfunction carry out Centralized Monitoring to more industrial big fans to realize.
Description
Technical field
The present invention relates to industrial big fan control system fields, more particularly to a kind of more industrial big fan centralized controls system
System.
Background technique
Industrial big fan is that one kind is widely used in industrial premises, logistic storage, waiting room, exhibition center, gymnasium, Shang Chao
The industrial use fan of equal large spaces cools down for the space ventilator of building, personnel, and industrial big fan bring comfort level is
What other fans cannot compare, powerful air agitation ability makes the room air constant flow of large space, can not only change
It is apt to sultry feeling, and comfort level can be improved, industrial big fan is used in many large size places.For common large warehoused library
Or intelligent workshop, it just will be installed multiple industrial big fans in a building, traditional control mode is still to pass through hand
It is dynamic to switch the start and stop for controlling each fan respectively and turn degree, it is not able to satisfy actual demand, is may require that in most cases to more
Fan carries out centralized control, can be convenient the start and stop for controlling every desk fan in this way and turns degree, saves the time, reduction personnel fumble unrest
Damage of failure caused by point etc..Traditional manually control etc. is not easy to the application of extra space, so needing to develop one kind has
Easy to operate, control precisely, facilitates the industrial big fan centralized control project of monitoring.
Summary of the invention
Manual control mode to solve the problems, such as traditional is difficult to meet more industrial big fans while use, and the present invention mentions
A kind of more industrial big fan centralized control systems are supplied.
Used technical solution is the present invention to solve above-mentioned technical problem: a kind of more industrial big fan centralized controls
System, the industrial big fan for more to be equipped with frequency-variable controller carry out Centralized Monitoring, the frequency conversion of more industrial big fans
Controller is connect with the same Centralized Controller, and Centralized Controller is equipped with touch screen, can show that fan is united on touch screen
One control interface, fan Centralized Monitoring interface and single fan monitoring interface;
The fan is uniformly controlled on interface while showing: all industrial big fans connecting in real time with Centralized Controller
The online quantity of current slave,
Positive turn key, reverse key and the stop key of all industrial big fan rotations, positive turn key, reverse key and stopping can be uniformly controlled
The side of key shows rotating forward simulation indicator light, reversion simulation indicator light respectively and stops simulation indicator light,
The setpoint frequency sliding block key of all frequency-variable controllers can be uniformly adjusted, the side of setpoint frequency sliding block key shows frequency
Setting numerical value,
Malfunction for lighting when any one industrial big fan breaks down uniformly simulates indicator light, and for removing
The malfunction of record simultaneously makes malfunction uniformly simulate the failure logging clear key that indicator light extinguishes,
For the Centralized Monitoring switch key by changing interface to fan Centralized Monitoring interface;
It is shown simultaneously on the fan Centralized Monitoring interface: for changing interface circulating fan to be uniformly controlled to the return at interface
Key,
The online quantity of current slave of all industrial big fans being connect in real time with Centralized Controller,
Every industrial big fan respective monitored space shows the connection status of corresponding one industrial big fan in monitored space
Simulate indicator light and malfunction and simulate indicator light, for connect in real time in the industrial big fan of this with Centralized Controller respectively with
And lighted when breaking down, the System Number and output frequency numerical value of the industrial big fan of this are also shown in monitored space, are passed through
Touch system number makes changing interface to the single fan monitoring interface of the industrial big fan of this;
It is shown simultaneously on the single fan monitoring interface: System Number, the output frequency of a corresponding industrial big fan
Numerical value, line voltage numerical value and motor current values,
Positive turn key, reverse key and the stop key of the industrial big fan rotation of this can be controlled, positive turn key, reverse key and stop key
Side shows rotating forward simulation indicator light, reversion simulation indicator light respectively and stops simulation indicator light,
The setpoint frequency sliding block key of the frequency-variable controller of the industrial big fan of this can be adjusted, the side of setpoint frequency sliding block key is aobvious
It is shown with the setting numerical value of frequency,
Malfunction for lighting when the industrial big fan of this breaks down individually simulates indicator light, and for removing note
The malfunction of record simultaneously makes malfunction individually simulate the failure logging clear key that indicator light extinguishes,
For by the return key at changing interface circulating fan Centralized Monitoring interface.
Preferably, the fan, which is uniformly controlled on interface, also shows date, time and time set key.
Preferably, control mode regulatory region, control mode regulatory region are also shown on the single fan monitoring interface
Panel key, touch screen key, panel simulation indicator light and touch screen simulation indicator light are inside shown, a corresponding industry is made by panel key
Big fan is controlled by the frequency-variable controller panel that Centralized Controller control is changed to the industrial big fan of this, and makes panel simulation instruction
Lamp is lighted, and so that the industrial big fan of this is changeed back Centralized Controller control by touch screen key, and light touch screen simulation indicator light.
Preferably, output frequency simulation instrument, output are also shown in the monitored space of the single fan monitoring interface
Frequency analog instrument is located at the output frequency numerical value side of the industrial big fan of this.
Preferably, the Centralized Controller using MODBUS communication protocol to the frequency-variable controllers of more industrial big fans into
Row monitoring.
Preferably, the frequency-variable controller of more industrial big fans cooperates phase with deconcentrator by the cable with RJ45 connector
Mutually serial connection.
According to the above technical scheme, the beneficial effects of the present invention are:
The present invention is realized by the way that the frequency-variable controller of more industrial big fans to be connect with the same Centralized Controller to more works
Sparetime university's fan carries out Centralized Monitoring, and can be switched to the interface of any desk fan in independent monitoring system, and system is using touching
Screen is touched, friendly interface is easy to operate, can control starting, the stopping of more or separate unit fan simultaneously, and by adjusting frequency conversion control
The frequency of system adjusts the speed fan, additionally it is possible to which monitoring and the malfunction for removing fan frequency converter can substantially mitigate operation
The amount of labour of personnel, it is convenient that more desk fans are managed, it can satisfy same to more industrial big fans in modern architecture
The requirement of Shi Jinhang control.
Detailed description of the invention
Fig. 1 is fan centralized control scheme of installation;
Fig. 2 is the schematic diagram that fan is uniformly controlled interface;
Fig. 3 is the schematic diagram at fan Centralized Monitoring interface;
Fig. 4 is the schematic diagram of single fan monitoring interface;
Fig. 5 is fan centralized control wiring schematic diagram.
Marked in the figure: 1, industrial big fan, 2, frequency-variable controller, 3, Centralized Controller, 4, rotate forward simulation indicator light, 5, anti-
Revolving die intends indicator light, 6, stop simulation indicator light, 7, malfunction uniformly simulate indicator light, 8, connection status simulate indicator light,
9, malfunction simulates indicator light, 10, malfunction individually simulate indicator light, 11, panel simulate indicator light, 12, touch screen simulation
Indicator light, 13, output frequency simulation instrument.
Specific embodiment
Referring to attached drawing, specific embodiment is as follows:
As shown in Figure 1, a kind of more industrial big fan centralized control systems, for more to be equipped with the work of frequency-variable controller 2
Sparetime university's fan 1 carries out Centralized Monitoring, and the frequency-variable controller 2 of more industrial big fans 1 is connect with the same Centralized Controller 3,
As shown in figure 5, the frequency-variable controller 2 of more industrial big fans 1 is cooperated mutually by the cable with RJ45 connector with deconcentrator
Serial connection, Centralized Controller 3 are monitored using frequency-variable controller 2 of the MODBUS communication protocol to more industrial big fans 1,
Can also use other intellectualizing systems, for those skilled in the art its can flexible choice, Centralized Controller 3 be equipped with touching
Touch screen, can be shown on touch screen fan be uniformly controlled interface, fan Centralized Monitoring interface and single fan monitoring interface and
It is switched between three interfaces.
As shown in Fig. 2, fan is uniformly controlled on interface while showing: all works being connect in real time with Centralized Controller 3
The online quantity of current slave of sparetime university's fan 1,
It can be uniformly controlled positive turn key, reverse key and stop key that all industrial big fans 1 rotate, positive turn key, reverse key and stop
Only the side of key shows rotating forward simulation indicator light 4, reversion simulation indicator light 5 respectively and stops simulation indicator light 6,
The setpoint frequency sliding block key of all frequency-variable controllers 2 can be uniformly adjusted, the side of setpoint frequency sliding block key shows frequency
The setting numerical value of rate,
Malfunction for lighting when any one industrial big fan 1 breaks down uniformly simulates indicator light 7, and for clear
Except record malfunction and make malfunction uniformly simulate indicator light 7 extinguishing failure logging clear key,
For changing interface to the Centralized Monitoring switch key at fan Centralized Monitoring interface and date, time and time to be arranged
Key.
As shown in figure 3, being shown simultaneously on fan Centralized Monitoring interface: for changing interface circulating fan to be uniformly controlled boundary
The return key in face,
The online quantity of current slave of all industrial big fans 1 being connect in real time with Centralized Controller 3,
Every industrial 1 respective monitored space of big fan shows the connection shape of corresponding one industrial big fan 1 in monitored space
Morphotype intends indicator light 8 and malfunction simulates indicator light 9, for real-time in the industrial big fan 1 of this and Centralized Controller 3 respectively
It is lighted when connection and failure, the System Number and output frequency number of the industrial big fan 1 of this is also shown in monitored space
Value makes changing interface to the single fan monitoring interface of the industrial big fan 1 of this by touch system number.
As shown in figure 4, being shown simultaneously on single fan monitoring interface: the System Number of a corresponding industrial big fan 1,
Output frequency numerical value, line voltage numerical value and motor current values and output frequency simulate instrument 13, and output frequency simulates instrument
13 are located at the output frequency numerical value side of the industrial big fan 1 of this,
Positive turn key, reverse key and stop key that the industrial big fan 1 of this rotates, positive turn key, reverse key and stop key can be controlled
Side show respectively rotating forward simulation indicator light 4, reversion simulation indicator light 5 and stop simulation indicator light 6,
The setpoint frequency sliding block key of the frequency-variable controller 2 of the industrial big fan 1 of this, the side of setpoint frequency sliding block key can be adjusted
The setting numerical value of frequency is shown,
Malfunction for lighting when the industrial big fan 1 of this breaks down individually simulates indicator light 10, and for clear
Except record malfunction and make malfunction individually simulate indicator light 10 extinguishing failure logging clear key,
For by the return key at changing interface circulating fan Centralized Monitoring interface, and the control mode regulatory region of single fan, control
Panel key, touch screen key, panel simulation indicator light 11 and touch screen simulation indicator light 12 are shown in mode regulatory region processed, pass through panel
Key makes corresponding one industrial big fan 1 control 2 panel of frequency-variable controller for being changed to the industrial big fan 1 of this by Centralized Controller 3
Control, and panel simulation indicator light 11 is lighted, so that the industrial big fan 1 of this is changeed back Centralized Controller 3 by touch screen key and control,
And light touch screen simulation indicator light 12.
Claims (6)
1. a kind of more industrial big fan centralized control systems, for more to be equipped with the industrial strong wind of frequency-variable controller (2)
It fans (1) and carries out Centralized Monitoring, it is characterised in that: the frequency-variable controller (2) of more industrial big fans (1) is controlled with the same concentration
Device (3) connection processed, Centralized Controller (3) are equipped with touch screen, can show that fan is uniformly controlled interface, fan collection on touch screen
Middle monitoring interface and single fan monitoring interface;
The fan is uniformly controlled on interface while showing: all industrial strong wind connecting in real time with Centralized Controller (3)
The online quantity of current slave of (1) is fanned,
Can be uniformly controlled positive turn key, reverse key and stop key that all industrial big fans (1) rotate, positive turn key, reverse key and
The side of stop key shows rotating forward simulation indicator light (4), reversion simulation indicator light (5) respectively and stops simulation indicator light (6),
The setpoint frequency sliding block key of all frequency-variable controllers (2) can be uniformly adjusted, the side of setpoint frequency sliding block key is shown
The setting numerical value of frequency,
Malfunction for lighting when any one industrial big fan (1) is broken down uniformly simulates indicator light (7), Yi Jiyong
In the malfunction for removing record and malfunction is made uniformly to simulate the failure logging clear key that indicator light (7) extinguish,
For the Centralized Monitoring switch key by changing interface to fan Centralized Monitoring interface;
It is shown simultaneously on the fan Centralized Monitoring interface: for changing interface circulating fan to be uniformly controlled to the return at interface
Key,
The online quantity of current slave of all industrial big fans (1) being connect in real time with Centralized Controller (3),
Every industrial big fan (1) respective monitored space shows the company of corresponding one industrial big fan (1) in monitored space
State simulation indicator light (8) and malfunction simulation indicator light (9) are connect, for respectively in the industrial big fan (1) of this and concentration
It is lighted when controller (3) connection in real time and failure, the system that the industrial big fan (1) of this is also shown in monitored space is compiled
Number and output frequency numerical value, monitor changing interface to the single fan of the industrial big fan (1) of this by touch system number
Interface;
It is shown simultaneously on the single fan monitoring interface: System Number, the output frequency of a corresponding industrial big fan (1)
Rate score, line voltage numerical value and motor current values,
Positive turn key, reverse key and stop key that the industrial big fan (1) of this rotates, positive turn key, reverse key and stopping can be controlled
The side of key shows rotating forward simulation indicator light (4), reversion simulation indicator light (5) respectively and stops simulation indicator light (6),
The setpoint frequency sliding block key of the frequency-variable controller (2) of the industrial big fan (1) of this can be adjusted, setpoint frequency sliding block key
Side shows the setting numerical value of frequency,
Malfunction for lighting when the industrial big fan (1) of this is broken down individually simulates indicator light (10), Yi Jiyong
In the malfunction for removing record and malfunction is made individually to simulate the failure logging clear key that indicator light (10) extinguish,
For by the return key at changing interface circulating fan Centralized Monitoring interface.
2. one kind more industrial big fan centralized control systems according to claim 1, it is characterised in that: the fan
It is uniformly controlled on interface and also shows date, time and time set key.
3. one kind more industrial big fan centralized control systems according to claim 1, it is characterised in that: described is single
Control mode regulatory region is also shown on fan monitoring interface, and panel key, touch screen key, panel are shown in control mode regulatory region
Indicator light (11) and touch screen simulation indicator light (12) are simulated, control corresponding one industrial big fan (1) by concentrating by panel key
Device (3) control processed is changed to frequency-variable controller (2) the panel control of the industrial big fan (1) of this, and panel is made to simulate indicator light
(11) it lights, so that the industrial big fan (1) of this is changeed back Centralized Controller (3) control by touch screen key, and make touch screen simulation instruction
Lamp (12) is lighted.
4. one kind more industrial big fan centralized control systems according to claim 1, it is characterised in that: described is single
Output frequency simulation instrument (13) is also shown in the monitored space of fan monitoring interface, output frequency simulation instrument (13) is located at should
The output frequency numerical value side of platform industry big fan (1).
5. one kind more industrial big fan centralized control systems according to claim 1, it is characterised in that: the concentration control
Device (3) processed is monitored using frequency-variable controller (2) of the MODBUS communication protocol to more industrial big fans (1).
6. one kind more industrial big fan centralized control systems according to claim 1, it is characterised in that: more industry are big
The frequency-variable controller (2) of fan (1) is mutually connected in series by the cable with RJ45 connector with deconcentrator cooperation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910782971.9A CN110486316B (en) | 2019-08-23 | 2019-08-23 | Centralized control system for multiple industrial large fans |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910782971.9A CN110486316B (en) | 2019-08-23 | 2019-08-23 | Centralized control system for multiple industrial large fans |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110486316A true CN110486316A (en) | 2019-11-22 |
CN110486316B CN110486316B (en) | 2020-11-03 |
Family
ID=68553158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910782971.9A Active CN110486316B (en) | 2019-08-23 | 2019-08-23 | Centralized control system for multiple industrial large fans |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110486316B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111188783A (en) * | 2020-01-15 | 2020-05-22 | 上海禾土机电科技有限公司 | Industrial fan controller and control method thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203691209U (en) * | 2013-12-01 | 2014-07-02 | 浙江友强实业有限公司 | Control panel of frequency converter |
CN205025801U (en) * | 2015-10-15 | 2016-02-10 | 赵昭鑫 | Mine ventilator frequency conversion system |
CN205422791U (en) * | 2016-04-01 | 2016-08-03 | 浙江上三高速公路有限公司新天管理处 | Tunnel ventilating system |
CN105864082A (en) * | 2016-04-07 | 2016-08-17 | 安徽理工大学 | Display control device of industrial control computer for mining fan test table |
CN205754110U (en) * | 2016-06-21 | 2016-11-30 | 郄建伟 | A kind of converter energy saving model controls device |
CN205862198U (en) * | 2016-06-28 | 2017-01-04 | 山东新华医疗器械股份有限公司 | Isolator multi fan control system |
CN106979584A (en) * | 2016-12-28 | 2017-07-25 | 杭州裕达自动化科技有限公司 | Computer room team control intelligent control method in central air-conditioning monitoring system |
-
2019
- 2019-08-23 CN CN201910782971.9A patent/CN110486316B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203691209U (en) * | 2013-12-01 | 2014-07-02 | 浙江友强实业有限公司 | Control panel of frequency converter |
CN205025801U (en) * | 2015-10-15 | 2016-02-10 | 赵昭鑫 | Mine ventilator frequency conversion system |
CN205422791U (en) * | 2016-04-01 | 2016-08-03 | 浙江上三高速公路有限公司新天管理处 | Tunnel ventilating system |
CN105864082A (en) * | 2016-04-07 | 2016-08-17 | 安徽理工大学 | Display control device of industrial control computer for mining fan test table |
CN205754110U (en) * | 2016-06-21 | 2016-11-30 | 郄建伟 | A kind of converter energy saving model controls device |
CN205862198U (en) * | 2016-06-28 | 2017-01-04 | 山东新华医疗器械股份有限公司 | Isolator multi fan control system |
CN106979584A (en) * | 2016-12-28 | 2017-07-25 | 杭州裕达自动化科技有限公司 | Computer room team control intelligent control method in central air-conditioning monitoring system |
Non-Patent Citations (1)
Title |
---|
赵兴安等: "多风机厂家系统融合的风电场一体化监控平台", 《电子技术与软件工程》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111188783A (en) * | 2020-01-15 | 2020-05-22 | 上海禾土机电科技有限公司 | Industrial fan controller and control method thereof |
CN111188783B (en) * | 2020-01-15 | 2022-03-18 | 上海禾土机电科技有限公司 | Industrial fan controller and control method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN110486316B (en) | 2020-11-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104281144A (en) | Single device control program test platform and method based on combined electrical loop | |
CN103970123B (en) | Process industry automated system PLC device controls program electric test platform and method | |
CN202495198U (en) | Multifunctional building automation system simple experimental table | |
CN103337210A (en) | Three-in-one device with teaching demonstration, practical training and examination functions | |
CN110486316A (en) | A kind of more industrial big fan centralized control systems | |
CN2909080Y (en) | Embedded air conditioner of group controlled | |
CN205787827U (en) | A kind of manual-automatic integrated PLC control cabinet | |
CN207780581U (en) | A kind of equipment monitoring system teaching and training device | |
CN109884433A (en) | A kind of multi-functional test desk and its application method | |
CN209198923U (en) | A kind of rocking equipment electric control system | |
CN201796284U (en) | Motor integrated module for controlling and protecting on and off of electric equipment | |
CN104597879A (en) | Touch-screen control inverter speed regulation training system | |
CN208521481U (en) | A kind of comprehensive output type PLC actual training device | |
CN210089075U (en) | Air conditioner control system | |
CN206148016U (en) | Network type PLC programmable logic controler experimental apparatus | |
CN204440129U (en) | The frequency converter timing experience system that touch-screen controls | |
CN102901935A (en) | Method for monitoring working condition of intelligent sequential power supplies and device thereof | |
CN205028499U (en) | Real device of instructing of building automatic control emulation | |
CN102635918B (en) | The control device of air-conditioner set and control system | |
JPH07248147A (en) | Multiple air conditioner | |
CN203415145U (en) | Three-in-one device with teaching demonstration, practical training and examination functions | |
CN1201628C (en) | Remote-controlled device | |
CN105005270A (en) | Control apparatus of multimedia classroom | |
CN219264409U (en) | Constant temperature, constant humidity, constant pressure and purifying large space air conditioner controller | |
CN204010489U (en) | A kind of teaching comprehensive experimental device based on air-conditioning |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 471000 Luoyang, Henan, Luoyang, China (Henan) free trade test zone, Luoyang section, Hi-tech Development Zone, Riverside Road No. 20 Applicant after: Luoyang Beibo sanyuanliu Fan Technology Co., Ltd Address before: 471000 Luoyang, Henan, Luoyang, China (Henan) free trade test zone, Luoyang section, Hi-tech Development Zone, Riverside Road No. 20 Applicant before: LUOYANG NORTHGLASS TAIXIN FAN TECHNOLOGY Co.,Ltd. |
|
CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |