CN107023497A - A kind of control system for variable frequency water supply pump - Google Patents
A kind of control system for variable frequency water supply pump Download PDFInfo
- Publication number
- CN107023497A CN107023497A CN201710466013.1A CN201710466013A CN107023497A CN 107023497 A CN107023497 A CN 107023497A CN 201710466013 A CN201710466013 A CN 201710466013A CN 107023497 A CN107023497 A CN 107023497A
- Authority
- CN
- China
- Prior art keywords
- module
- supply
- water
- pump
- mobile terminal
- 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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of control system for variable frequency water supply pump, including supply-water pump, motor, water storage box, frequency-conversion control cabinet, control centre and mobile terminal, temperature sensor is provided with the supply-water pump, magnetic valve is installed on supply channel, pressure gauge and flow sensor, level sensor is installed in water storage box, frequency-conversion control cabinet includes cabinet, information receiving module, power module, wireless communication module, micro-control unit, alarm module and self diagnosis module, motor and supply-water pump are electrically connected with self diagnosis module, control centre includes data storage, data transmission blocks, data analysis module and data reception module.The system just can be set running parameter by mobile terminal and the actual conditions of oneself, be met the use demand of different people by mobile terminal with the working condition of remote control supply-water pump, people;The system can be automatically to running parameter and device failure situation detect that the automatic warning information that sends that notes abnormalities is to mobile terminal.
Description
Technical field
The present invention relates to a kind of control system, specifically a kind of control system for variable frequency water supply pump.
Background technology
Water is Source of life, is people's resource that life all be unable to do without daily, with improving and people for China's infrastructure
Income level raising, most people used running water, running water refers to purify by water treatment plants,
The confession people for meeting respective standard produced after sterilization live, the water of production and application.Domestic water mainly passes through water factory
Water intake pumping station draws rivers and lakes and underground water, surface water, by waterworks according to《National Drinking Water related sanitary mark
It is accurate》, by the processing of the technological processes such as precipitation, sterilization, filtering, each user is transported to finally by water supply pumping plant.
Due to urban water supply in the life of people particularly significant, the workload of water supply pump control system and work accuracy
Just it is particularly important, existing water supply pump control system intelligence degree is low, and control accuracy is low, it is impossible to find supply-water pump in time
The problem of, there is no failure prompting function, this just brings inconvenience for people with water yet.
The content of the invention
It is an object of the invention to provide a kind of control system for variable frequency water supply pump, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme:
A kind of control system for variable frequency water supply pump, including supply-water pump, motor, water storage box, frequency-conversion control cabinet, control centre and
Mobile terminal, the output end of the motor is connected with supply-water pump, and supply-water pump is connected and supplied water with water storage box by supply channel
Be provided with temperature sensor on pump, temperature sensor be used to measure be provided with the temperature in supply-water pump, supply channel magnetic valve,
Pressure gauge and flow sensor, magnetic valve are used for the opening and closing for controlling supply channel, and pressure gauge is used to show supply channel
In real-time hydraulic pressure, level sensor is installed, level sensor is used to determine the height of water level in water storage box, become in water storage box
Frequency switch board includes cabinet, information receiving module, power module, wireless communication module, micro-control unit, alarm module and autodiagnosis
Disconnected module, motor and supply-water pump are electrically connected with self diagnosis module, and self diagnosis module is used for the failure of diagnosing motor and supply-water pump
Whether, micro-control unit receives mould with temperature sensor, level sensor, flow sensor, magnetic valve, motor, information respectively
Block, power module, wireless communication module, alarm module and self diagnosis module are electrical connected, and micro-control unit passes through radio communication
Module is electrically connected with control centre, and control centre is electrically connected with mobile terminal, and control centre includes data storage, data
Sending module, data analysis module and data reception module.
It is used as further scheme of the invention:Supply-water pump uses centrifugal type water pump, and motor uses synchronous motor.
It is used as further scheme of the invention:Frequency-conversion control cabinet also includes authority and confirms module, and authority confirms that module is used for
It is determined that the authority of order sender.
It is used as further scheme of the invention:Filter is provided with water storage box and filter and self-diagnosable system are electrical
Connection, filter is used to remove the impurity in water.
It is used as further scheme of the invention:Alarm module includes audible-visual annunciator and text information sending module.
It is used as further scheme of the invention:Mobile terminal uses smart mobile phone, tablet personal computer or special equipment, wirelessly
Communication module includes infrared module, bluetooth module, WIFI module, 3G module, 4G modules, RF radio-frequency modules and Zigbee module.
The workflow of the control system for variable frequency water supply pump, is comprised the following steps that:
Step one, effector is set by mobile terminal to the running parameter of supply-water pump and motor, and mobile terminal is by work
Parameter is sent to the micro-control unit of frequency-conversion control cabinet, and running parameter is sent to each device by micro-control unit;
In step 2, water supply process, motor operating is so as to drive water supply pump work, and magnetic valve is opened, and supply-water pump is by water from water supply
The temperature that pipeline is delivered in water storage box, temperature sensor measurement supply-water pump, level sensor determines the height of water level in water storage box,
Flow sensor determines the current numerical quantity in supply channel, and people can obtain running water from water storage box;
Real time data is sent to microcontroller center, microcontroller by step 3, temperature sensor, level sensor and flow sensor
Real time data is sent to control centre by center, and data analysis module is analyzed and judged to real time data, works as data analysis
When module judges that data are normal, data transmission blocks do not work, when data analysis module judges data exception, data analysis mould
Block is analyzed data and provides correct parameter, and alarm module sends warning information to mobile terminal, reminds people's work
Parameter error, people can be checked and reset running parameter, and correct parameter is sent to VFC by data transmission blocks
Correct parameter is sent to each device by cabinet, frequency-conversion control cabinet, until data analysis module judges that new real time data is normal, when
When self-diagnosable system judges motor and water supply failure of pump, alarm module sends warning information to mobile terminal, reminds people's dress
Put failure.
Compared with prior art, the beneficial effects of the invention are as follows:The system design rationally, only need to can by mobile terminal
With the working condition of remote control supply-water pump, people set running parameter by mobile terminal and the actual conditions of oneself, meet
The use demand of different people, water supply effect is good;The system can carry out real-time to the failure situation of running parameter and device automatically
Detection, the automatic warning information that sends that notes abnormalities is convenient for people to use to mobile terminal.
Brief description of the drawings
Fig. 1 is the structural representation of the control system for variable frequency water supply pump.
Fig. 2 is the structural representation for control centre in the control system of variable frequency water supply pump.
Wherein:1- supply-water pumps, 2- motors, 3- water storage boxes, 4- frequency-conversion control cabinets, 5- control centres, 6- mobile terminals, 7- is supplied
Water lines, 8- temperature sensors, 9- magnetic valves, 10- pressure gauges, 11- flow sensors, 12- level sensors, 13- filters,
14- authorities confirm module, 15- information receiving modules, 16- power modules, 17- wireless communication modules, 18- micro-control units, 19-
Alarm module, 20- self diagnosis modules, 21- data storages, 22- data transmission blocks, 23- data analysis modules, 24- data
Receiving module.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Refer to Fig. 1-2, a kind of control system for variable frequency water supply pump, including supply-water pump 1, motor 2, water storage box 3, change
Frequency switch board 4, control centre 5 and mobile terminal 6, the output end of the motor 2 are connected with supply-water pump 1, and supply-water pump 1 is by supplying water
Pipeline 7 is connected with water storage box 3 and temperature sensor 8 is provided with supply-water pump 1, and temperature sensor 8 is used to measure in supply-water pump 1
Temperature, magnetic valve 9, pressure gauge 10 and flow sensor 11 are installed, magnetic valve 9 is used to control feed pipe on supply channel 7
The opening and closing on road 7, pressure gauge 10, which is used to show in the real-time hydraulic pressure in supply channel 7, water storage box 3, is provided with level sensor
Device 12 and filter 13, filter 13 are used to remove the impurity in water, and level sensor 12 is used to determine the water level in water storage box 3
Highly, frequency-conversion control cabinet 4 includes cabinet, authority confirmation module 14, information receiving module 15, power module 16, radio communication mold
Block 17, micro-control unit 18, alarm module 19 and self diagnosis module 20, authority confirm that module 14 is used to determine order sender's
Authority, motor 2, filter 13 and supply-water pump 1 are electrically connected with self diagnosis module 20, self diagnosis module 20 be used for diagnosing motor 2,
Whether is the failure of filter 13 and supply-water pump 1, and micro-control unit 18 is passed with temperature sensor 8, level sensor 12, flow respectively
Sensor 11, magnetic valve 9, motor 2, authority confirm module 14, information receiving module 15, power module 16, wireless communication module 17,
Alarm module 19 and self diagnosis module 20 are electrical connected, and micro-control unit 18 passes through wireless communication module 17 and the electricity of control centre 5
Property connection, control centre 5 is electrically connected with mobile terminal 6, control centre 5 including data storage 21, data transmission blocks 22,
Data analysis module 23 and data reception module 24.Supply-water pump 1 uses centrifugal type water pump, and motor 2 uses synchronous motor.Alarm mould
Block 19 includes audible-visual annunciator and text information sending module.Mobile terminal 6 is using smart mobile phone, tablet personal computer or special sets
It is standby, wireless communication module 17 include infrared module, bluetooth module, WIFI module, 3G module, 4G modules, RF radio-frequency modules and
Zigbee module.
The workflow of the control system for variable frequency water supply pump, is comprised the following steps that:
Step one, effector is set by mobile terminal to the running parameter of supply-water pump and motor, and mobile terminal is by work
Parameter is sent to the micro-control unit of frequency-conversion control cabinet, and micro-control unit confirms that module confirms running parameter setting person by authority
Authority after, running parameter is sent to each device;
In step 2, water supply process, motor operating is so as to drive water supply pump work, and magnetic valve is opened, and supply-water pump is by water from water supply
The temperature that pipeline is delivered in water storage box, temperature sensor measurement supply-water pump, level sensor determines the height of water level in water storage box,
Flow sensor determines the current numerical quantity in supply channel, and people can obtain running water from water storage box;
Real time data is sent to microcontroller center, microcontroller by step 3, temperature sensor, level sensor and flow sensor
Real time data is sent to control centre by center, and data analysis module is analyzed and judged to real time data, works as data analysis
When module judges that data are normal, data transmission blocks do not work, when data analysis module judges data exception, data analysis mould
Block is analyzed data and provides correct parameter, and audible-visual annunciator work, text information sending module sends warning information
To mobile terminal, people's running parameter mistake is reminded, people can check and reset running parameter, data transmission blocks will
Correct parameter is sent to frequency-conversion control cabinet, and correct parameter is sent to each device by frequency-conversion control cabinet, until data analysis module
Judge that new real time data is normal, when self-diagnosable system judges motor, filter and fault of water pump, audible-visual annunciator work
Make, text information sending module sends warning information to mobile terminal, reminds people's plant failure.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. a kind of control system for variable frequency water supply pump, it is characterised in that including supply-water pump, motor, water storage box, VFC
Cabinet, control centre and mobile terminal, the output end of the motor are connected with supply-water pump, and supply-water pump passes through supply channel and water storage box
It is connected and temperature sensor is provided with supply-water pump, temperature sensor is used to measure on the temperature in supply-water pump, supply channel
Magnetic valve, pressure gauge and flow sensor are installed, magnetic valve is used for the opening and closing for controlling supply channel, and pressure gauge is used for
Show and level sensor is installed in the real-time hydraulic pressure in supply channel, water storage box, level sensor is used to determine in water storage box
Height of water level, frequency-conversion control cabinet include cabinet, information receiving module, power module, wireless communication module, micro-control unit,
Alarm module and self diagnosis module, motor and supply-water pump are electrically connected with self diagnosis module, and self diagnosis module is used for diagnosing motor
With the failure of supply-water pump whether, micro-control unit respectively with temperature sensor, level sensor, flow sensor, magnetic valve, electricity
Machine, information receiving module, power module, wireless communication module, alarm module and self diagnosis module are electrical connected, micro-control unit
It is electrically connected with by wireless communication module and control centre, control centre is electrically connected with mobile terminal, control centre includes number
According to memory, data transmission blocks, data analysis module and data reception module.
2. the control system according to claim 1 for variable frequency water supply pump, it is characterised in that the supply-water pump use from
Cardioid water pump, motor uses synchronous motor.
3. the control system according to claim 1 or 2 for variable frequency water supply pump, it is characterised in that the VFC
Cabinet also includes authority and confirms module, and authority confirms that module is used for the authority for determining order sender.
4. the control system according to claim 1 for variable frequency water supply pump, it is characterised in that set in the water storage box
There is filter and filter is electrically connected with self-diagnosable system, filter is used to remove the impurity in water.
5. the control system according to claim 2 for variable frequency water supply pump, it is characterised in that the alarm module includes
Audible-visual annunciator and text information sending module.
6. the control system according to claim 1 for variable frequency water supply pump, it is characterised in that the mobile terminal is used
Smart mobile phone, tablet personal computer or special equipment, wireless communication module include infrared module, bluetooth module, WIFI module, 3G moulds
Block, 4G modules, RF radio-frequency modules and Zigbee module.
7. a kind of workflow of control system for variable frequency water supply pump as described in claim 1-6 is any, its feature exists
In comprising the following steps that:
Step one, effector is set by mobile terminal to the running parameter of supply-water pump and motor, and mobile terminal is by work
Parameter is sent to the micro-control unit of frequency-conversion control cabinet, and running parameter is sent to each device by micro-control unit;
In step 2, water supply process, motor operating is so as to drive water supply pump work, and magnetic valve is opened, and supply-water pump is by water from water supply
The temperature that pipeline is delivered in water storage box, temperature sensor measurement supply-water pump, level sensor determines the height of water level in water storage box,
Flow sensor determines the current numerical quantity in supply channel, and people can obtain running water from water storage box;
Real time data is sent to microcontroller center, microcontroller by step 3, temperature sensor, level sensor and flow sensor
Real time data is sent to control centre by center, and data analysis module is analyzed and judged to real time data, works as data analysis
When module judges that data are normal, data transmission blocks do not work, when data analysis module judges data exception, data analysis mould
Block is analyzed data and provides correct parameter, and alarm module sends warning information to mobile terminal, reminds people's work
Parameter error, people can be checked and reset running parameter, and correct parameter is sent to VFC by data transmission blocks
Correct parameter is sent to each device by cabinet, frequency-conversion control cabinet, until data analysis module judges that new real time data is normal, when
When self-diagnosable system judges motor and water supply failure of pump, alarm module sends warning information to mobile terminal, reminds people's dress
Put failure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710466013.1A CN107023497B (en) | 2017-06-19 | 2017-06-19 | A kind of control system for variable frequency water supply pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710466013.1A CN107023497B (en) | 2017-06-19 | 2017-06-19 | A kind of control system for variable frequency water supply pump |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107023497A true CN107023497A (en) | 2017-08-08 |
CN107023497B CN107023497B (en) | 2018-11-09 |
Family
ID=59531624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710466013.1A Active CN107023497B (en) | 2017-06-19 | 2017-06-19 | A kind of control system for variable frequency water supply pump |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107023497B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109916027A (en) * | 2019-03-08 | 2019-06-21 | 广东美的制冷设备有限公司 | Control method, device and the computer readable storage medium of dehumidifier water pump |
CN110081537A (en) * | 2019-03-20 | 2019-08-02 | 深圳市成大机电科技有限公司 | A kind of control method of ice-melt cooling supply |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2635749Y (en) * | 2002-08-05 | 2004-08-25 | 武汉深高机电一体化有限公司 | Intelligent fault-tolerant water supply and fluid supply pressure conversion controller capable of being remote monitor controlled by wide-area network |
CN203067249U (en) * | 2012-05-08 | 2013-07-17 | 赛莱默(中国)有限公司 | Pump system with remote control function |
CN203531054U (en) * | 2013-09-03 | 2014-04-09 | 武汉邦信汇通设备自动化有限公司 | Intelligent frequency conversion and constant pressure water supply control system |
CN105673467A (en) * | 2016-01-27 | 2016-06-15 | 烟台阳光泵业有限公司 | Pump remote intelligent control system based on mobile Internet |
CN205421424U (en) * | 2016-03-23 | 2016-08-03 | 乌鲁木齐华丰同益供水设备有限公司 | Intelligent constant pressure water supply equipment control system |
CN205592117U (en) * | 2016-04-22 | 2016-09-21 | 上海众平科技有限公司 | Water pump intelligent control valve |
CN106015028A (en) * | 2016-05-04 | 2016-10-12 | 江苏大学 | Intelligent water pump set monitoring and fault early warning method based on internet of things |
JP2016217073A (en) * | 2015-05-25 | 2016-12-22 | 株式会社荏原製作所 | Water supply denice, monitoring device, and water supply system |
CN205899721U (en) * | 2016-08-09 | 2017-01-18 | 合肥供水集团有限公司 | Terrific remote monitoring linked system is prevented to unmanned on duty pump house |
-
2017
- 2017-06-19 CN CN201710466013.1A patent/CN107023497B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2635749Y (en) * | 2002-08-05 | 2004-08-25 | 武汉深高机电一体化有限公司 | Intelligent fault-tolerant water supply and fluid supply pressure conversion controller capable of being remote monitor controlled by wide-area network |
CN203067249U (en) * | 2012-05-08 | 2013-07-17 | 赛莱默(中国)有限公司 | Pump system with remote control function |
CN203531054U (en) * | 2013-09-03 | 2014-04-09 | 武汉邦信汇通设备自动化有限公司 | Intelligent frequency conversion and constant pressure water supply control system |
JP2016217073A (en) * | 2015-05-25 | 2016-12-22 | 株式会社荏原製作所 | Water supply denice, monitoring device, and water supply system |
CN105673467A (en) * | 2016-01-27 | 2016-06-15 | 烟台阳光泵业有限公司 | Pump remote intelligent control system based on mobile Internet |
CN205421424U (en) * | 2016-03-23 | 2016-08-03 | 乌鲁木齐华丰同益供水设备有限公司 | Intelligent constant pressure water supply equipment control system |
CN205592117U (en) * | 2016-04-22 | 2016-09-21 | 上海众平科技有限公司 | Water pump intelligent control valve |
CN106015028A (en) * | 2016-05-04 | 2016-10-12 | 江苏大学 | Intelligent water pump set monitoring and fault early warning method based on internet of things |
CN205899721U (en) * | 2016-08-09 | 2017-01-18 | 合肥供水集团有限公司 | Terrific remote monitoring linked system is prevented to unmanned on duty pump house |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109916027A (en) * | 2019-03-08 | 2019-06-21 | 广东美的制冷设备有限公司 | Control method, device and the computer readable storage medium of dehumidifier water pump |
CN109916027B (en) * | 2019-03-08 | 2021-04-27 | 广东美的制冷设备有限公司 | Method and device for controlling water pump of dehumidifier and computer readable storage medium |
CN110081537A (en) * | 2019-03-20 | 2019-08-02 | 深圳市成大机电科技有限公司 | A kind of control method of ice-melt cooling supply |
Also Published As
Publication number | Publication date |
---|---|
CN107023497B (en) | 2018-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2821820C (en) | Pressure sewer control system and method | |
CN208459810U (en) | A kind of wired home leak immersion protective device based on ARM | |
CN109682861B (en) | Multi-parameter remote water quality monitoring and remote water quality control dosing platform | |
CN107327707B (en) | A kind of water supply network monitoring management method and system | |
CN104520585A (en) | Pump efficiency determining system and related method for determining pump efficiency | |
CN203230561U (en) | Remote intelligent control device for water pump | |
CN103912793A (en) | Embedded instrumented remote warning and control system | |
CN107023497B (en) | A kind of control system for variable frequency water supply pump | |
CN203823879U (en) | Heating system monitoring device | |
CN105630018B (en) | A kind of drinking water water supply water route safety control device and system | |
CN205189852U (en) | Automatic remote monitering system of automatic calculating of oil well metering separator and control by temperature change water mixing | |
CN212744288U (en) | Water pump motor frequency conversion control device | |
CN203950425U (en) | A kind of heating boiler remote supervision system based on GSM/GPRS network | |
CN108417005A (en) | A kind of kilowatt meter reading-out system based on wireless transmission | |
CN202472910U (en) | Terminal and system for monitoring radar liquid level flow rate | |
CN204203795U (en) | A kind of intelligent wireless liquid level monitor | |
CN111982231A (en) | Low-power-consumption water level integrated intelligent monitoring system | |
CN104021660A (en) | GSM/GPRS (global system for mobile communication/general packet radio service)-network-based heating boiler remote-monitoring system | |
CN201221964Y (en) | Resident water use abnormity monitoring system apparatus | |
CN113137378B (en) | Device and method for monitoring running state of pump | |
CN203176735U (en) | Flow detector with wireless monitoring system | |
CN105203151B (en) | A kind of industrial Internet of Things comprehensive tester | |
CN103116321A (en) | Automation intelligent control system based on internet of things | |
CN207337195U (en) | A kind of control system | |
CN207751990U (en) | A kind of draining detection device |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A control system for variable frequency water supply pump Effective date of registration: 20220830 Granted publication date: 20181109 Pledgee: Anqing rural commercial bank Limited by Share Ltd. Pledgor: ANHUI BEIDE PUMP VALVE TECHNOLOGY SHARES CO.,LTD. Registration number: Y2022980013967 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |