CN109372055A - Water system and its control method - Google Patents

Water system and its control method Download PDF

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Publication number
CN109372055A
CN109372055A CN201811462189.0A CN201811462189A CN109372055A CN 109372055 A CN109372055 A CN 109372055A CN 201811462189 A CN201811462189 A CN 201811462189A CN 109372055 A CN109372055 A CN 109372055A
Authority
CN
China
Prior art keywords
water
production line
valve
lines
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811462189.0A
Other languages
Chinese (zh)
Inventor
陈发宏
范健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LILING QIBIN ELECTRONIC GLASS Co.,Ltd.
Original Assignee
Liling Qi Bin Electronic Glass Co Ltd
Shenzhen New Banner Technology Co Ltd
Chenzhou Qibin Photovoltaic Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liling Qi Bin Electronic Glass Co Ltd, Shenzhen New Banner Technology Co Ltd, Chenzhou Qibin Photovoltaic Glass Co Ltd filed Critical Liling Qi Bin Electronic Glass Co Ltd
Priority to CN201811462189.0A priority Critical patent/CN109372055A/en
Publication of CN109372055A publication Critical patent/CN109372055A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • E03B1/02Methods or layout of installations for water supply for public or like main supply for industrial use
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/02Public or like main pipe systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/077Arrangement of backflow preventing devices
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/078Combined units with different devices; Arrangement of different devices with respect to each other

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

It includes: the first water source that the present invention, which discloses a kind of water system and its control method, water system, provides common water;Second water source provides spare water;Production line water lines are connected to the first water source;Valve is connected between second water source and production line water lines;Pressure sensor, for obtaining the hydraulic signal of production line water lines;And controller, it is electrically connected or is wirelessly connected with valve and pressure sensor, for the opening and closing according to hydraulic signal control valve.Technical solution of the present invention, compared with the existing technology for, in normal water supply, it is not necessary to so that the pressure of supply water at the first water source is higher than the pressure of supply water of second water source for a long time, reduce the power consumption of water system.Water system of the invention simultaneously can automatically control whether second water source supplies water according to the water pressures of production line water lines, both save water resource, in turn ensure the safety of production line water.

Description

Water system and its control method
Technical field
The present invention relates to water supply field, in particular to the control method of a kind of water system and water system.
Background technique
In float glass, water equipment is worked under 700 DEG C or more of environment, to save water, production line The circulating water supply system that uses of water equipment, the safety guarantee of water supply is particularly important, the accident of cutting off the water supply such as occurs, and will give production band Carry out heavy losses.To improve the reliability to supply water, being generally all provided with second water source, (such as water tower or head-tank, disappear at tap water Waterproof) as spare water.As shown in Figure 1, the water pump of circulating water supply system and spare second water source 20 ' pass through check-valves 30 ' are connected to production line water lines 40 '.In normal water supply, the pressure of supply water of water pump 12 ' is needed to be higher than spare the The pressure of supply water at two water sources 20 ' could make check-valves 30 ' play the role of cut-off, by second water source 20 ' and production line water pipe Road 40 ' disconnects, and second water source 20 ' is made to be in stand-by state.In this way, increasing the unnecessary power consumption of water pump 12 '.
Summary of the invention
The main object of the present invention is to propose a kind of water system, it is intended to reduce the power consumption of water system.
To achieve the goals above, water system proposed by the present invention, comprising:
First water source provides common water;
Second water source provides spare water;
Production line water lines are connected to first water source;
Valve is connected between the second water source and the production line water lines;
Pressure sensor, for obtaining the hydraulic signal of the production line water lines;And
Controller is electrically connected or is wirelessly connected with the valve and the pressure sensor, for being believed according to the hydraulic pressure The opening and closing of number control valve.
Preferably, the valve includes valve body and the wireless receiving module that is electrically connected with the valve body, described The wireless signal that wireless receiving module is issued to receive the controller.
Preferably, the valve body includes solenoid valve.
Preferably, the pressure sensor includes that pressure responsive element and the signal connecting with the pressure responsive element turn Block is changed the mold, the signal conversion module is converted to electric signal or nothing to the pressure signal for detecting the pressure responsive element Line signal.
Preferably, the signal conversion module includes pressure transmitter.
Preferably, first water source includes water-storing device, and the water-storing device is connected to the production line with water lines.
Preferably, first water source further includes drainage device, and the drainage device is connected to the water-storing device and institute It states between production line water lines.
Preferably, the drainage device includes water pump.
Preferably, the water system further includes cooling device, and the cooling device is connected to the production line water pipe Between road and the water-storing device, water flow passes through the production line water lines, using the cooling device, passes back into described Water-storing device.
The present invention also proposes a kind of control method of water system, comprising the following steps:
Obtain the hydraulic signal of production line water lines;
By the corresponding hydraulic pressure value of the hydraulic signal compared with hydraulic pressure setting value, when the corresponding hydraulic pressure value of the hydraulic signal When more than or equal to the hydraulic pressure setting value, controls the valve and close;When the corresponding hydraulic pressure value of the hydraulic signal is less than institute When stating hydraulic pressure setting value, the valve opening is controlled.
Technical solution of the present invention, compared with the existing technology for, in normal water supply, it is not necessary to make the first water source Pressure of supply water is higher than the pressure of supply water of second water source for a long time, reduces the power consumption of water system.It is of the invention for water system simultaneously System can automatically control whether second water source supplies water according to the water pressures of production line water lines, both save water resource, In turn ensure the safety of production line water.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water system in the prior art;
Fig. 2 is the structural schematic diagram of one embodiment of water system of the present invention;
Fig. 3 is pressure sensor in Fig. 2, controller, the connection schematic diagram between valve.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is not intended to limit the present invention. Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair The range of bright protection.
Technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of water system.
In one embodiment of this invention, as shown in Figures 2 and 3, the water system includes the first water source 10, the second water Source 20, production line water lines 40, valve 30, pressure sensor 50 and controller 60.First water source 10 and the production Line is directly connected to water lines 40, provides common water for the production line water lines 40.The second water source 20 passes through described Valve 30 is connect with the production line water lines 40, and the valve 30 is connected to the second water source 20 and uses with the production line Between water lines 40.When the valve 30 is opened, the second water source 20 is connected to the production line water lines 40;Work as institute When stating the closing of valve 30, the second water source 20 is disconnected with production line water lines 40.The pressure sensor 50 is installed In the production line in water lines 40, for obtaining the hydraulic signal of the production line water lines 40.The controller 60 It is electrically connected or is wirelessly connected with the valve 30 and the pressure sensor 50, for controlling the valve according to the hydraulic signal The opening and closing of door 30.
The controller 60 by the corresponding hydraulic pressure value of the hydraulic signal compared with hydraulic pressure setting value, when the hydraulic signal When corresponding hydraulic pressure value is greater than or equal to the hydraulic pressure setting value, indicate that the first water source 10 supplies water normally, the controller 60 is controlled It makes the valve to close, the second water source 20 is disconnected with production line water lines 40, and second water source 20 is allowed to be in spare State;When the corresponding hydraulic pressure value of the hydraulic signal is less than the hydraulic pressure setting value, it is abnormal to indicate that the first water source 10 supplies water, The controller 60 controls the valve 30 and opens, and the second water source 20 is connected to the production line water lines 40, and second The water flow at water source 20 enters production line water lines 40, and second water source 20 is allowed to be in service position.
It is appreciated that the connection type of the controller 60 and the valve 30 and the pressure sensor 50 have it is following several Kind: the controller 60 is all made of and is electrically connected with the valve 30 and the pressure sensor 50;Alternatively, the controller 60 with The valve 30 is all made of wireless signal with the pressure sensor 50 and connects;Or the controller 60 is adopted with the valve 30 With electrical connection, the controller 60 is connect with the pressure sensor 50 using wireless signal;Alternatively, the controller 60 and institute Pressure sensor 50 is stated using electrical connection, the controller 60 is connect with the valve 30 using wireless signal.
In the prior art, as shown in Figure 1, the first water source 10 ' and second water source 20 ' pass through check-valves 30 ' and production line It is connected to water lines 40 ',.In normal water supply, need the pressure of supply water of the water pump 12 ' at the first water source 10 ' high for a long time In the pressure of supply water of spare second water source 20 ', check-valves 30 ' could be made to play the role of cut-off, by second water source 20 ' and life Producing line is disconnected with water lines 40 ', and second water source 20 ' is made to be in stand-by state.In this way, increasing the unnecessary electricity of water system Consumption.
Water system of the invention, compared with the existing technology for, in normal water supply, it is not necessary to make the first water source 10 Pressure of supply water be higher than 20 pressure of supply water of second water source for a long time, reduce the power consumption of water system.Confession of the invention simultaneously Water system can automatically control whether second water source 20 supplies water according to the water pressures of production line water lines 40, both save Water resource in turn ensures the safety of production line water.
In one embodiment of this invention, as shown in figure 3, the valve 30 include valve body 31 and with the valve master The wireless receiving module 32 that body 31 is electrically connected, the wireless communication that the wireless receiving module 32 is issued to receive the controller 60 Number.When the corresponding hydraulic pressure value of the hydraulic signal is greater than or equal to the hydraulic pressure setting value, indicate that the first water source 10 supplies water just Often, the controller 60 issues out code in the form of wireless signal, and the wireless receiving module 32 receives the closing and refers to After order, the valve body 31 is passed to, valve body 31 executes out code, and the second water source 20 is used with the production line Water lines 40 disconnect, and second water source 20 is allowed to be in stand-by state;When the corresponding hydraulic pressure value of the hydraulic signal is less than the hydraulic pressure When setting value, it is abnormal to indicate that the first water source 10 supplies water, the controller 60 issues open command, institute in the form of wireless signal It states after wireless receiving module 32 receives the open command, passes to the valve body 31, valve body 31, which executes to open, to be referred to It enables, the second water source 20 is connected to the production line water lines 40, and the water flow of second water source 20 is used into the production line Water lines 40, second water source 20 are in service position.
It is appreciated that in other embodiments, the valve 30 can also be not provided with wireless receiving module 32, the valve 30 are directly electrically connected with the controller 60.When the corresponding hydraulic pressure value of the hydraulic signal is greater than or equal to the hydraulic pressure setting value When, indicate that the first water source 10 supplies water normally, the controller 60 issues out code as electronic signals, and the valve 30 connects The out code is received and executes, the second water source 20 is disconnected with production line water lines 40, and second water source 20 is allowed to be in Stand-by state;When the corresponding hydraulic pressure value of the hydraulic signal is less than the hydraulic pressure setting value, indicate that the first water source 10 supplies water not Normally, the controller 60 issues open command as electronic signals, and the valve 30 receives and executes the open command, institute It states second water source 20 to be connected to the production line water lines 40, the water flow of second water source 20 enters the production line water lines 40, second water source 20 is in service position.
Further, the valve body 31 can be solenoid valve, motor-driven valve etc., the concrete form of the valve body 31 It is unlimited.Preferably, the valve body 31 is direct-acting electromagnetic valve.For direct-acting electromagnetic valve when being powered, electromagnetic coil generates electricity Magnetic force lifts closure member from valve seat, and valve is opened;When power-off, electromagnetic force disappears, and spring handle closure member is pressed on valve seat, valve Door is closed.Direct-acting electromagnetic valve has many advantages, such as that structure is simple, is swift in response.
In one embodiment of this invention, as shown in figure 3, the pressure sensor 50 include pressure responsive element 51 and with The signal conversion module 52 that the pressure responsive element 51 connects, the signal conversion module 52 is to first by the pressure sensitive The pressure signal that part 51 detects is converted to electric signal or wireless signal, and by the electric signal or wireless signal transfer or transmission To the controller 60.
In one embodiment of this invention, the signal conversion module 52 is pressure transmitter.Pressure transmitter is industry The common signal conversion module of production field is easy to reach.
In one embodiment of this invention, as shown in Fig. 2, first water source 10 includes water-storing device 11 and drainage device 12, the drainage device 12 is connected between the water-storing device 11 and the production line water lines 40.In water-storing device 11 Water, through drainage device 12 provide power, flow into the production line water lines 40.The water-storing device 11 can be pond, Water tank etc..
It is appreciated that in other embodiments of the invention, it can also be not provided with drainage device 12, and by water-storing device 11 Water level improve, water-storing device 11 such as is arranged to water tower or head-tank or high water tank, make water-storing device 11 water level height Water in production line water lines 40, water-storing device 11 under gravity, flows into the production line water lines 40。
Specifically, in one embodiment of this invention, the drainage device 12 is water pump, and water pump is that field of industrial production is normal Device is easy to reach.
In one embodiment of this invention, the water system is circulating water supply system, and the water system further includes cold But device 70, the cooling device 70 are connected between the production line water lines 40 and the water-storing device 11, and water flows through After crossing the production line water lines 40, using the cooling device 70, the water-storing device 11 is passed back into.The cooling dress Setting 70 can be cooling tower, coldplate etc., and the concrete form of the cooling device 70 is unlimited.
It is appreciated that in other embodiments of the invention, the water system can also be following form: water flow is by the After one water source 10 or second water source 20 flow into production line water lines 40, make waste water discharge;Alternatively, water flow by the first water source 10 or After second water source 20 flows into production line water lines 40, using the cooling device 70, make waste water discharge.
In one embodiment of this invention, the controller includes PID regulator.The pressure that pressure sensor 50 will test Force signal passes to PID regulator, and compared with hydraulic pressure setting value.When the corresponding hydraulic pressure value of the hydraulic signal is greater than or equal to When the hydraulic pressure setting value, indicate that the first water source 10 supplies water normally, PID regulator issues out code, and the valve 30 receives And out code is executed, the second water source 20 is disconnected with production line water lines 40, and second water source 20 is allowed to be in spare State;When the corresponding hydraulic pressure value of the hydraulic signal is less than the hydraulic pressure setting value, it is abnormal to indicate that the first water source 10 supplies water, PID regulator issues open command, and the valve 30 receives and execute open command, the second water source 20 and the production line It is connected to water lines 40, the water flow of second water source 20 enters production line water lines 40, allows second water source 20 to be in and supplies water State.
The present invention also proposes a kind of control method of water system, comprising the following steps:
Obtain the hydraulic signal of production line water lines 40;
By the corresponding hydraulic pressure value of the hydraulic signal compared with hydraulic pressure setting value, when the corresponding hydraulic pressure value of the hydraulic signal When more than or equal to the hydraulic pressure setting value, controls the valve 30 and close;When the corresponding hydraulic pressure value of the hydraulic signal is less than When the hydraulic pressure setting value, controls the valve 30 and open.
The controller 60 by the corresponding hydraulic pressure value of the hydraulic signal compared with hydraulic pressure setting value, when the hydraulic signal When corresponding hydraulic pressure value is greater than or equal to the hydraulic pressure setting value, indicate that the first water source 10 supplies water normally, the controller 60 is controlled It makes the valve 30 to close, the second water source 20 is disconnected with production line water lines 40, and second water source 20 is allowed to be in standby Use state;When the corresponding hydraulic pressure value of the hydraulic signal is less than the hydraulic pressure setting value, indicate that the first water source 10 supplies water not just Often, the controller 60 controls the valve 30 and opens, and the second water source 20 is connected to the production line water lines 40, the The water flow at two water sources 20 enters production line water lines 40, and second water source 20 is allowed to be in service position.
The above description is only a preferred embodiment of the present invention, is not intended to limit its scope of the patents, all to utilize the present invention Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is directly or indirectly used in other relevant technology necks Domain is included within the scope of the present invention.

Claims (10)

1. a kind of water system characterized by comprising
First water source provides common water;
Second water source provides spare water;
Production line water lines are connected to first water source;
Valve is connected between the second water source and the production line water lines;
Pressure sensor, for obtaining the hydraulic signal of the production line water lines;And
Controller is electrically connected or is wirelessly connected with the valve and the pressure sensor, for according to the hydraulic signal control Make the opening and closing of the valve.
2. water system as described in claim 1, which is characterized in that the valve include valve body and with the valve master The wireless receiving module of body electrical connection, the wireless signal that the wireless receiving module is issued to receive the controller.
3. water system as claimed in claim 2, which is characterized in that the valve body includes solenoid valve.
4. water system as described in claim 1, which is characterized in that the pressure sensor include pressure responsive element and with The signal conversion module of the pressure responsive element connection, the signal conversion module is to detect the pressure responsive element To pressure signal be converted to electric signal or wireless signal.
5. water system as claimed in claim 4, which is characterized in that the signal conversion module includes pressure transmitter.
6. such as water system described in any one of claim 1 to 5, which is characterized in that first water source includes water-storing device, The water-storing device is connected to the production line with water lines.
7. water system as claimed in claim 6, which is characterized in that first water source further includes drainage device, described to draw Stream device is connected between the water-storing device and the production line water lines.
8. water system as claimed in claim 7, which is characterized in that the drainage device includes water pump.
9. water system as claimed in claim 6, which is characterized in that the water system further includes cooling device, described cold But device is connected between the production line water lines and the water-storing device, and water flow passes through the production line water lines, Using the cooling device, the water-storing device is passed back into.
10. a kind of control method of water system, which comprises the following steps:
Obtain the hydraulic signal of production line water lines;
By the corresponding hydraulic pressure value of the hydraulic signal compared with hydraulic pressure setting value, when the corresponding hydraulic pressure value of the hydraulic signal is greater than Or when being equal to the hydraulic pressure setting value, controls the valve and close;When the corresponding hydraulic pressure value of the hydraulic signal is less than the water When pressing setting value, the valve opening is controlled.
CN201811462189.0A 2018-11-30 2018-11-30 Water system and its control method Pending CN109372055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811462189.0A CN109372055A (en) 2018-11-30 2018-11-30 Water system and its control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811462189.0A CN109372055A (en) 2018-11-30 2018-11-30 Water system and its control method

Publications (1)

Publication Number Publication Date
CN109372055A true CN109372055A (en) 2019-02-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110409564A (en) * 2019-08-14 2019-11-05 浙江君鸿机械有限公司 A kind of remote wireless control constant pressure water supply system
CN112028457A (en) * 2020-08-31 2020-12-04 湖南旗滨医药材料科技有限公司 Cooling water circulation system and emergency water supply method
CN112709292A (en) * 2020-12-31 2021-04-27 深圳市华阳国际工程设计股份有限公司 Water supply system and method
CN113309172A (en) * 2021-05-07 2021-08-27 中国能源建设集团广东省电力设计研究院有限公司 Double-water-source water supply system and control method thereof

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CN104264738A (en) * 2014-10-14 2015-01-07 秦皇岛玻璃工业研究设计院 Water circulating system for glass industry
CN204356845U (en) * 2014-12-02 2015-05-27 佛山市南海北沙制药有限公司 A kind of water system of pharmaceutical production equipment
CN204401685U (en) * 2014-12-25 2015-06-17 河南伯睿环保科技有限公司 A kind of recycle-water intelligent management system
CN106120949A (en) * 2016-08-24 2016-11-16 中冶华天工程技术有限公司 Rod line section bar controlled rolling and controlled cooling equipment water supply installation, circulating water supply system and method
CN206233297U (en) * 2016-10-19 2017-06-09 青岛静水机电设备股份有限公司 Integrated homemade well water source module negative pressure-free pipe network Pressure-superposed water supply equipment
CN107938762A (en) * 2018-01-12 2018-04-20 四川海涯环境科技有限公司 Box type negative-pressure-free supercharging water supply system and its water-supply control
CN209412892U (en) * 2018-11-30 2019-09-20 郴州旗滨光伏光电玻璃有限公司 Water system

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Publication number Priority date Publication date Assignee Title
CN104264738A (en) * 2014-10-14 2015-01-07 秦皇岛玻璃工业研究设计院 Water circulating system for glass industry
CN204356845U (en) * 2014-12-02 2015-05-27 佛山市南海北沙制药有限公司 A kind of water system of pharmaceutical production equipment
CN204401685U (en) * 2014-12-25 2015-06-17 河南伯睿环保科技有限公司 A kind of recycle-water intelligent management system
CN106120949A (en) * 2016-08-24 2016-11-16 中冶华天工程技术有限公司 Rod line section bar controlled rolling and controlled cooling equipment water supply installation, circulating water supply system and method
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110409564A (en) * 2019-08-14 2019-11-05 浙江君鸿机械有限公司 A kind of remote wireless control constant pressure water supply system
CN112028457A (en) * 2020-08-31 2020-12-04 湖南旗滨医药材料科技有限公司 Cooling water circulation system and emergency water supply method
CN112709292A (en) * 2020-12-31 2021-04-27 深圳市华阳国际工程设计股份有限公司 Water supply system and method
CN112709292B (en) * 2020-12-31 2023-12-08 深圳市华阳国际工程设计股份有限公司 Water supply system and method
CN113309172A (en) * 2021-05-07 2021-08-27 中国能源建设集团广东省电力设计研究院有限公司 Double-water-source water supply system and control method thereof
CN113309172B (en) * 2021-05-07 2023-07-25 中国能源建设集团广东省电力设计研究院有限公司 Dual-water source water supply system and control method thereof

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Address after: 412200 Dongfu Industrial Park, Liling Economic Development Zone, Chenzhou City, Hunan Province

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Applicant before: CHENZHOU QIBIN PHOTOVOLTAIC AND PHOTOELECTRIC GLASS Co.,Ltd.

Applicant before: LILING QIBIN ELECTRONIC GLASS Co.,Ltd.

Applicant before: SHENZHEN NEW KIBING TECHNOLOGY Co.,Ltd.

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Address after: 412200 Dongfu Industrial Park, Liling Economic Development Zone, Chenzhou City, Hunan Province

Applicant after: Hunan Qibin Electronic Glass Co.,Ltd.

Address before: 412200 Dongfu Industrial Park, Liling Economic Development Zone, Chenzhou City, Hunan Province

Applicant before: LILING QIBIN ELECTRONIC GLASS Co.,Ltd.

CB02 Change of applicant information