CN109653305B - Secondary water supply auxiliary pump optimization delay control system - Google Patents
Secondary water supply auxiliary pump optimization delay control system Download PDFInfo
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- CN109653305B CN109653305B CN201811414501.9A CN201811414501A CN109653305B CN 109653305 B CN109653305 B CN 109653305B CN 201811414501 A CN201811414501 A CN 201811414501A CN 109653305 B CN109653305 B CN 109653305B
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- water supply
- auxiliary
- supply pump
- control system
- pump
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
- E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems
- E03B7/075—Arrangement of devices for control of pressure or flow rate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The invention discloses an optimized time delay control system for a secondary water supply auxiliary pump, which comprises a water inlet pipeline piece, a pressure detection meter, a flow detection device, a valve, a water storage pressure stabilizing tank, a main water supply pump, an auxiliary water supply pump, a sensing controller, a water outlet pipeline assembly, a water quality monitoring device and a control system device, wherein the water inlet pipeline piece is installed on the water storage pressure stabilizing tank, the pressure detection meter valve is installed on the water inlet pipeline piece, the main water supply pump and the auxiliary water supply pump are connected with the water storage pressure stabilizing tank, the water pump is provided with the sensing controller, and the water outlet pipeline assembly is connected with the water outlet end of the auxiliary water supply pump of the main water supply pump. The invention solves the problems that the start and stop of the auxiliary pump system for secondary water supply can not be controlled by the frequency change of the frequency converter during the peak time and the low peak time of water use, the energy conservation and the consumption reduction can not be achieved, and the system is not stable in operation.
Description
Technical Field
The invention relates to the field of an auxiliary pump control system in a secondary water supply device, and particularly belongs to an optimized time-delay control system of a secondary water supply auxiliary pump.
Background
In recent years, with the rapid development of city construction in China, the number of high-rise buildings in various large and medium-sized cities in China is increasing. It is known that the water supply of urban high-rise buildings requires the use of secondary water supply equipment, and for this reason, the market demand of secondary water supply equipment has increased rapidly in recent years. However, when the ordinary secondary water supply equipment is used, an auxiliary pump is usually arranged, and when the secondary water supply system runs under a small load, a frequency converter in the secondary water supply equipment determines whether to start the auxiliary pump to run or not by comparing and judging frequency conversion frequency and water supply pressure. And during the in-service use, because in the urban high-rise building water supply system, there are water peak period time quantum and water peak period time quantum, make ordinary secondary water supply equipment judge whether to start the operation of assisting the pump through the converter, can not guarantee the operation energy saving and consumption reduction of secondary water supply equipment, secondary water supply equipment system starts when assisting the pump operation simultaneously, the equipment system is whole unstable, the main pump switches with assisting the pump inaccurately, lead to switching the in-process often to have a large amount of air to get into the main pump or assist the pump, the whole life of main pump and assisting the pump has been shortened by a wide margin, still can produce a large amount of noises simultaneously. Aiming at the problems, a secondary water supply auxiliary pump optimization delay control system is independently researched, developed and manufactured by our company.
Disclosure of Invention
The invention provides an optimized delay control system of a secondary water supply auxiliary pump, which can solve the problems mentioned in the background technology. The secondary water supply equipment has reasonable integral matching design and stable and reliable integral operation, can realize integral stable switching and noiseless operation when the main pump and the auxiliary pump are switched to operate, and has good energy-saving and consumption-reducing effects.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a secondary water supply auxiliary pump optimization delay control system comprises a water inlet pipeline piece, a pressure detection meter, a flow detection device, a valve, a water storage pressure stabilizing tank, a main water supply pump, an auxiliary water supply pump, a sensing controller, a water outlet pipeline assembly, a water quality monitoring device and a control system device, wherein the water inlet pipeline piece is installed on the water storage pressure stabilizing tank, the pressure detection meter and the valve are installed on the water inlet pipeline piece, the main water supply pump and the auxiliary water supply pump are connected with the water storage pressure stabilizing tank through pipelines, the sensing controllers are installed on the main water supply pump and the auxiliary water supply pump, the water outlet pipeline assembly is connected with the water outlet ends of the main water supply pump and the auxiliary water supply pump, the valve flow detection device and the water quality monitoring device are installed on the water outlet pipeline assembly, the pressure detection meter, the flow detection device, the valve, the water storage pressure stabilizing tank, the main water supply pump, the auxiliary water supply pump, the sensing controller and the water quality monitoring device are connected with the water quality control system device through wiring harnesses, the system is characterized in that an auxiliary feeding time period, a main water supply pump and auxiliary water supply pump switching delay time, the number of auxiliary pumps, an auxiliary feeding frequency, an auxiliary discharging frequency and an auxiliary feeding/discharging delay time are arranged in a control system device, three different auxiliary feeding time periods are arranged in the control system every 24 hours, the switching delay time is increased between the main water supply pump and the auxiliary water supply pump when the main water supply pump and the auxiliary water supply pump are switched by the control system to ensure that the main water supply pump and the auxiliary water supply pump realize seamless connection operation in the switching operation process, the number of the auxiliary pumps is determined by the number of auxiliary water supply pumps actually configured in a secondary water supply system, the auxiliary feeding frequency, the auxiliary discharging frequency and the auxiliary discharging/discharging delay time are determined according to the design selection type water low peak time, the overall operation state of the secondary water supply is determined, the auxiliary feeding frequency is 40Hz, the auxiliary discharging frequency is 50Hz, and the auxiliary feeding delay time is 100s, the auxiliary water supply time delay is 20s, and the switching time delay time of the main water supply pump and the auxiliary water supply pump is 300 ms.
Preferably, the three auxiliary time periods set in the control system device are: 9:00 to 11:00,14:00 to 17:00,22:00 to 6:00, and the secondary water supply system is operated by using the main water supply pump except for three auxiliary time periods, and in the three auxiliary time periods set by the control system, when the operation frequency of the main water supply pump is 40Hz, and the continuous operation time of the operation frequency of the main water supply pump is 40Hz is more than or equal to 100s, the control system is automatically switched to the operation of the auxiliary water supply pump, and when the operation frequency of the auxiliary water supply pump is 50Hz, and the continuous operation time of the operation frequency of the auxiliary water supply pump is 50Hz is more than or equal to 20s, the control system is automatically switched to the operation of the main water supply pump.
Preferably, the control system in the control system apparatus switches between operation of the main water supply pump and the auxiliary water supply pump, the main water supply pump and the auxiliary water supply pump operate simultaneously within a time range in which a switching delay time of the main water supply pump and the auxiliary water supply pump is 300ms, and when the time range in which the switching delay time of the main water supply pump and the auxiliary water supply pump is 300ms is exceeded, the main water supply pump or the auxiliary water supply pump before switching can be stopped, and the auxiliary water supply pump or the main water supply pump after switching can be operated independently.
Compared with the prior art, the invention has the following beneficial effects:
the optimization design is carried out on a water inlet pipeline piece, a pressure detection meter, a flow detection device, a valve, a water storage pressure stabilizing tank, a main water supply pump, an auxiliary water supply pump, a sensing controller, a water outlet pipeline assembly, a water quality monitoring device, a control system device and a control system in the control system device, and the optimization delay control system for the secondary water supply auxiliary pump is researched and developed. According to the invention, the acquired signals are transmitted to the control system device through the induction controller, the control system in the control device is used for carrying out matching operation design on related parameters, meanwhile, the control system is integrally optimized and designed, an auxiliary time period is additionally arranged to ensure that the control system can automatically distinguish a water use peak time period from a water use low peak time period, and the secondary water supply equipment is instructed to integrally carry out matching energy-saving operation; the switching delay time of the main water supply pump and the auxiliary water supply pump is added, so that the whole operation of the secondary water supply equipment is stable and reliable when the main water supply pump and the auxiliary water supply pump are switched, a large amount of air is not caused to eliminate noise in the water pump, and the whole service life of the secondary water supply equipment is effectively prolonged; the number of the auxiliary pumps which are specifically added is determined according to the actual use condition, the switching time of the main water supply pump and the auxiliary water supply pump is accurately controlled by adding the auxiliary inlet frequency, the auxiliary outlet frequency and the auxiliary inlet/outlet time delay in the control system, and the whole secondary water supply equipment system is stable when the auxiliary pump is started or stopped.
The invention solves the problems that the energy saving and consumption reduction can not be achieved and the system operation is unstable when the auxiliary pump system for secondary water supply is controlled to start and stop by the frequency change of the frequency converter in the peak time and the low-peak time of water use.
Drawings
FIG. 1 is a schematic view of the overall connection of the present invention;
FIG. 2 is a schematic diagram of the parameter setting of the control system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Referring to the drawings: a secondary water supply auxiliary pump optimization delay control system comprises a water inlet pipeline piece (4), a pressure detection meter (3), a flow detection device (7), a valve (2), a water storage pressure stabilizing tank (1), a main water supply pump (8), an auxiliary water supply pump (9), a sensing controller (11), a water outlet pipeline piece (5), a water quality monitoring device (6) and a control system device (10), wherein the water inlet pipeline piece (4) is installed on the water storage pressure stabilizing tank (1), the pressure detection meter (3) and the valve (2) are installed on the water inlet pipeline piece (4), the main water supply pump (8) and the auxiliary water supply pump (9) are connected with the water storage pressure stabilizing tank (1) through pipelines, the sensing controller (11) is installed on the main water supply pump (8) and the auxiliary water supply pump (9), and the water outlet pipeline piece (5) is connected with the water outlet ends of the main water supply pump (8) and the auxiliary water supply pump (9), a valve (2), a flow detection device (7) and a water quality monitoring device (6) are installed on the water outlet pipeline assembly (5), a pressure detection meter (3), the flow detection device (7), the valve (2), a water storage pressure stabilizing tank (1), a main water supply pump (8), an auxiliary water supply pump (9), a sensing controller (11) and the water quality monitoring device (6) are connected with a control system device (10) through wiring harnesses, the water outlet pipeline assembly is characterized in that a control system in the control system device (10) is internally provided with a feeding auxiliary time period, a main water supply pump (8) and an auxiliary water supply pump (9) switching delay time, an auxiliary pump number, a feeding auxiliary frequency, an auxiliary frequency and a feeding auxiliary/discharging auxiliary delay time, three different feeding auxiliary time periods are arranged in the control system within 24 hours every day, and the main water supply pump (8) and the auxiliary water supply pump (9) are switched to operate through the control system, the switching delay time is prolonged, the seamless running of the main water supply pump (8) and the auxiliary water supply pump (9) is guaranteed in the switching running process, the number of the auxiliary pumps is determined by the number of the actually configured auxiliary water supply pumps (9) of the secondary water supply system, the auxiliary frequency and the auxiliary time delay are input/output according to the design model selection water low peak period, the whole running state of the secondary water supply is determined, the auxiliary frequency is 40Hz, the auxiliary frequency is 50Hz, the auxiliary time delay is 100s, the auxiliary time delay is 20s, and the switching delay time of the main water supply pump (8) and the auxiliary water supply pump (9) is 300 ms.
Preferably, the three auxiliary time periods which can be set in the control system device (10) are as follows: 9:00 to 11:00,14:00 to 17:00,22:00 to 6:00, the secondary water supply system is operated using the main water supply pump (8) except for three accessible auxiliary time periods, and in the three accessible auxiliary time periods of the control system setting (10), when the operation frequency of the main water supply pump (8) is 40Hz and the continuous operation time of the main water supply pump (8) with the operation frequency of 40Hz is 100s or more, the control system automatically switches to the operation of the auxiliary water supply pump (9), and when the operation frequency of the auxiliary water supply pump (9) is 50Hz and the continuous operation time of the auxiliary water supply pump (9) with the operation frequency of 50Hz is 20s or more, the control system automatically switches to the operation of the main water supply pump (8).
Preferably, the control system in the control system device (10) performs switching operation of the main water supply pump (8) and the subsidiary water supply pump (9), the main water supply pump (8) and the subsidiary water supply pump (9) are simultaneously operated within a time range in which a switching delay time of the main water supply pump (8) and the subsidiary water supply pump (9) is 300ms, the main water supply pump (8) or the subsidiary water supply pump (9) before switching can be stopped when the time range in which the switching delay time of the main water supply pump (8) and the subsidiary water supply pump (9) is 300ms is exceeded, and the subsidiary water supply pump (9) or the main water supply pump (8) after switching can be independently operated.
When the water storage pressure stabilizing device is used, a water inlet pipeline piece (4) is connected with a water storage pressure stabilizer (1), a pressure detection meter (3) and a valve (2) are installed on the water inlet pipeline piece (4), a main water supply pump (8) and an auxiliary water supply pump (9) are connected in parallel, the water inlet ends of the main water supply pump (8) and the auxiliary water supply pump (9) which are connected in parallel are connected with the water storage pressure stabilizer (1) through pipelines, the water outlet ends of the main water supply pump (8) and the auxiliary water supply pump (9) which are connected in parallel are connected with a water outlet pipeline assembly (5), a sensing controller (11) is installed on the main water supply pump (8) and the auxiliary water supply pump (9) respectively, a water quality monitoring device (6) and a flow detection device (7) of the valve (2) are installed on the water outlet pipeline assembly (5), the pressure detection meter, the water storage pressure stabilizing tank (1), the main water supply pump (8), the auxiliary water supply pump (9) and the water quality monitoring device (11) and the sensing controller (11) The measuring device (6) is connected with the control system device (10) through a wire harness; setting the auxiliary time period, the switching delay time of the main water supply pump (8) and the auxiliary water supply pump (9), the number of auxiliary pump stations, the auxiliary frequency, the auxiliary delay and relevant parameters in the control system device (10) through a parameter setting interface in the control system device (10); during water supply, a water body reaches the water storage pressure stabilizing tank (1) through the pressure detection meter (3) and the valve (2) by the water inlet pipeline piece (4), enters the main water supply pump (8) and the auxiliary water supply pump (9) through the water inlet end of the water storage pressure stabilizing tank (1), and then enters the water outlet pipeline assembly (5) through the water outlet end of the main water supply pump (8) and the auxiliary water supply pump (9) and enters the household for user use by the water outlet pipeline assembly (5) after passing through the valve (2) flow detection device (7) and the water quality monitoring device (6).
When the auxiliary feeding time set by the control system device (10) is reached, according to the number of auxiliary pumps, the auxiliary feeding frequency and the auxiliary feeding time delay set by the control system device (10), when the operation frequency of the main water supply pump (8) is 40Hz and the continuous operation time is more than or equal to 100s, the control system device (10) instructs the induction controller (11) to control the auxiliary water supply pump (9) to start to operate, and simultaneously, according to the switching time delay of the main water supply pump (8) and the auxiliary water supply pump (9) set by the control system device (10), after the main water supply pump (8) and the auxiliary water supply pump (9) operate for 300ms simultaneously, the control system device (10) instructs the induction controller (11) to control the main water supply pump (8) to stop operating, and the auxiliary water supply pump (9) to operate independently.
When the auxiliary time is set by the control system device (10), according to the auxiliary frequency and the auxiliary time delay set by the control system device (10), when the operation frequency of the auxiliary water supply pump (9) is 50Hz and the continuous operation time is more than or equal to 20s, the control system device (10) instructs the induction controller (11) to control the main water supply pump (8) to start to operate, according to the switching time delay of the main water supply pump (8) and the auxiliary water supply pump (9) set by the control system device (10), after the main water supply pump (8) and the auxiliary water supply pump (9) operate for 300ms simultaneously, the control system device (10) instructs the induction controller (11) to control the auxiliary water supply pump (9) to stop operating, and the main water supply pump (8) operates independently.
The invention solves the problems that the energy saving and consumption reduction can not be achieved and the system operation is unstable when the auxiliary pump system for secondary water supply is controlled to start and stop by the frequency change of the frequency converter in the peak time and the low-peak time of water use.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (3)
1. A secondary water supply auxiliary pump optimization delay control system comprises a water inlet pipeline piece, a pressure detection meter, a flow detection device, a valve, a water storage pressure stabilizing tank, a main water supply pump, an auxiliary water supply pump, a sensing controller, a water outlet pipeline assembly, a water quality monitoring device and a control system device, wherein the water inlet pipeline piece is installed on the water storage pressure stabilizing tank, the pressure detection meter and the valve are installed on the water inlet pipeline piece, the main water supply pump and the auxiliary water supply pump are connected with the water storage pressure stabilizing tank through pipelines, the sensing controllers are installed on the main water supply pump and the auxiliary water supply pump, the water outlet pipeline assembly is connected with the water outlet ends of the main water supply pump and the auxiliary water supply pump, the valve flow detection device and the water quality monitoring device are installed on the water outlet pipeline assembly, the pressure detection meter, the flow detection device, the valve, the water storage pressure stabilizing tank, the main water supply pump, the auxiliary water supply pump, the sensing controller and the water quality monitoring device are connected with the water quality control system device through wiring harnesses, the system is characterized in that a control system in a control system device is internally provided with three different auxiliary time periods capable of being fed, auxiliary water supply pump and auxiliary water supply pump switching delay time, auxiliary pump number, auxiliary frequency and auxiliary time delay for feeding and auxiliary/discharging, the control system is internally provided with three different auxiliary time periods capable of being fed in and auxiliary for 24 hours each day, when the main water supply pump and the auxiliary water supply pump are switched by the control system, the switching delay time is increased between the main water supply pump and the auxiliary water supply pump, the seamless connection running of the main water supply pump and the auxiliary water supply pump is ensured in the switching running process, the auxiliary pump number is determined by the actually configured auxiliary water supply pump number of a secondary water supply system, the auxiliary frequency is fed out and auxiliary frequency, and the auxiliary/auxiliary time delay is fed in and auxiliary time delay is determined according to the design selection type water low peak time, the integral running state of the secondary water supply is determined, the auxiliary frequency is 40Hz, the auxiliary frequency is 50Hz, the auxiliary inlet time delay is 100s, the auxiliary outlet time delay is 20s, and the switching time delay time of the main water supply pump and the auxiliary water supply pump is 300 ms.
2. The optimized delay control system for the secondary water supply auxiliary pump as claimed in claim 1, wherein the three auxiliary time periods which can be entered and set in the control system device are as follows: 9:00 to 11:00,14:00 to 17:00,22:00 to 6:00, and the secondary water supply system is operated by using the main water supply pump except for three auxiliary time periods, and in the three auxiliary time periods set by the control system, when the operation frequency of the main water supply pump is 40Hz, and the continuous operation time of the operation frequency of the main water supply pump is 40Hz is more than or equal to 100s, the control system is automatically switched to the operation of the auxiliary water supply pump, and when the operation frequency of the auxiliary water supply pump is 50Hz, and the continuous operation time of the operation frequency of the auxiliary water supply pump is 50Hz is more than or equal to 20s, the control system is automatically switched to the operation of the main water supply pump.
3. The system of claim 2, wherein the control system is configured to switch between the main water supply pump and the auxiliary water supply pump, the main water supply pump and the auxiliary water supply pump are operated simultaneously within a time range of 300ms of the switching delay time of the main water supply pump and the auxiliary water supply pump, the main water supply pump or the auxiliary water supply pump before switching can be stopped when the time range of 300ms of the switching delay time of the main water supply pump and the auxiliary water supply pump is exceeded, and the auxiliary water supply pump or the main water supply pump after switching can be operated independently.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811414501.9A CN109653305B (en) | 2018-11-26 | 2018-11-26 | Secondary water supply auxiliary pump optimization delay control system |
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| CN201811414501.9A CN109653305B (en) | 2018-11-26 | 2018-11-26 | Secondary water supply auxiliary pump optimization delay control system |
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| CN109653305A CN109653305A (en) | 2019-04-19 |
| CN109653305B true CN109653305B (en) | 2020-12-18 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2756916C2 (en) * | 1977-12-21 | 1985-09-26 | Danfoss A/S, Nordborg | Device for setting up the delivery rate of a waterworks pump arrangement |
| JP5210147B2 (en) * | 2008-01-24 | 2013-06-12 | 株式会社荏原製作所 | Water supply equipment |
| AU2009200908B1 (en) * | 2008-03-07 | 2009-08-13 | Rainmax Pty Ltd | A water supply |
| CN104846876A (en) * | 2014-10-23 | 2015-08-19 | 青岛万力科技有限公司 | Non-negative-pressure secondary water supply system provided with assistant air pressure water tank for high-position adjustment |
| CN104846949A (en) * | 2014-10-23 | 2015-08-19 | 青岛万力科技有限公司 | Secondary water supply system with water quality purification treatment function |
| CN104831782B (en) * | 2015-05-20 | 2016-09-21 | 四川博海供水设备有限公司 | The variable frequency water supply control system supplied water based on secondary booster and working method thereof |
| CN105926722B (en) * | 2016-06-06 | 2019-05-14 | 湖南中崛水设备股份有限公司 | Integrated wisdom pump house equipment and its method of supplying water |
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Address after: 230000 No.8, Huainan North Road, Shuangfeng Economic Development Zone, Changfeng County, Hefei City, Anhui Province Patentee after: ANHUI SHUNYU WATER AFFAIRS Co.,Ltd. Address before: 230000 No.32 Jinjiang Road, Changfeng Shuangfeng Economic Development Zone, Hefei City, Anhui Province Patentee before: ANHUI SHUNYU WATER AFFAIRS Co.,Ltd. |