CN202831090U - Water supply device for high-rise building construction - Google Patents
Water supply device for high-rise building construction Download PDFInfo
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- CN202831090U CN202831090U CN2012205546174U CN201220554617U CN202831090U CN 202831090 U CN202831090 U CN 202831090U CN 2012205546174 U CN2012205546174 U CN 2012205546174U CN 201220554617 U CN201220554617 U CN 201220554617U CN 202831090 U CN202831090 U CN 202831090U
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- water supply
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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
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Abstract
The utility model discloses a water supply device for high-rise building construction. The water supply device comprises a water source, a water supply part and a control device, wherein a water intaking opening of the water supply part is connected with the water source, a water outlet of the water supply part is connected with water use points of each layer through pipelines, the water supply part comprises a bottom valve, a main pump, a sluice valve and a check valve, the bottom valve is located on the water intaking opening and connected with the water outlet through the main pump, the sluice valve and the check valve, and a pressure meter is arranged on a pipeline between the check valve and the water outlet. The water supply device is characterized in that the control device is a frequency converting control device, a pressure sensor is arranged in the pressure meter, a signal output end of the pressure sensor is connected with the frequency converting control device, and output and connection of the frequency converting control device control the rotating speed of the main pump. By means of a frequency control technology, when started, a variable frequency motor has a constant acceleration process, and is stable in operation and little in impact to equipment. Electricity consumption of a water pump controlled by the frequency conversion technology is in direct proportion to water consumption. The electricity consumption is large when the water consumption is large, the electricity consumption is little when the water consumption is little, and energy is effectively saved.
Description
Technical field
The utility model relates to a kind of water supply installation, is specifically related to a kind of water supply installation of high-building construction water.
Background technology
When high-building construction, water supply is the basic production problem that construction enterprises must face and solve.When building height supplies water height normally above the municipal water supply webmaster, must take corresponding pressurized water supply method to guarantee the Construction of High-rise water.
In the prior art, usually adopt following several way of supplying water: (1) has the zone of municipal network water supply, installs the tubing pump supercharging additional at water supply line and supplies water to the upper strata; (2) set up at the construction field (site) that support arranges high level cistern and with high-lift pump with water for to water tank, carry out water accumulating and supplying; (3) adopt electromechanical voltage stabilizing automaton control high-lift pump upwards to supply water.
What adopted (1) in above-mentioned 3 kinds of modes is that pipe pressurizing supplies water, because intermittent, randomness and the not timing of engineering construction water, cause the pump motor frequent starting and stop, often cause the heating of pump motor overload, the dash current that particularly starts during the startup of motor is very large, the burning apparatus phenomenon takes place frequently, and service behaviour is unreliable; What mode (2) adopted is the water tank water filling, because the high level cistern volume is larger, and highly will be higher than the constructing operation face, the support body rigidity that requirement is set up is large, stability will be got well, thereby it builds the cost height; High level cistern must be increased repeatedly along with the rising of building installation simultaneously, realizes that difficulty is large; And construction will be removed water tank after finishing, and holistic cost is high, workload is numerous and diverse.
Mode (3) is a kind of constant pressure water supply mode, can remedy the deficiency of (1) (2) dual mode, according to construction object water demand, drives the water yield that corresponding height is supplied with in the water pump running by controller.But, in order to keep the head of high water usage water level, pressure of supply water need be higher than the water head, and a pressure range (upper limit, threshold pression value) is set above its level pressure value causes stop as water pump fortune, simultaneously because on-the-spot pipe network does not possess the energy-storage buffering device, so this water supply installation impacts larger to the startup of equipment, equipment is fragile, and the water supply volume size is little on the impact of operation power consumption, so that energy consumption is higher.
For addressing the above problem, Chinese utility model patent CN 201144435Y discloses a kind of water supply installation for high-building construction water, comprise uninterrupted water source, water unit and control part, the intake of described water unit is connected with described uninterrupted water source, its delivery port is connected with water spot with each layer by the road, described water unit and control part all are located on the ground, wherein water unit comprises bottom valve, main pump, gate valve, flap valve, air pressure tank, described bottom valve is positioned at described intake place, through main pump, gate valve, flap valve is connected with described delivery port, described air pressure tank is connected on the pipeline between described flap valve and delivery port by the road, and being provided with a pressure meter at this tie point place, this manometric signal output part is connected with described control part input.This scheme is avoided the frequent starting of water pump by the air pressure tank of accumulation of energy, constant voltage, buffering usefulness is set, and reduces the impact to equipment, and still, the technique that installs air pressure tank additional is loaded down with trivial details, also can't solve the problem of energy consumption simultaneously.
Therefore, how to provide a kind of and realize conveniently, start impact little, energy consumption is low and the water supply installation that can satisfy construction requirement is problem to be solved in the utility model.
Summary of the invention
Goal of the invention of the present utility model provides and a kind ofly realizes conveniently, start impact little, energy consumption is low and can satisfy the high-building construction water water supply installation of construction requirement.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of water supply installation of high-building construction water, comprise the water source, water unit and control device, the intake of described water unit is connected with described water source, the delivery port of water unit is connected with water spot with each layer by the road, described water unit comprises bottom valve, main pump, gate valve, flap valve, described bottom valve is positioned at described intake place, through main pump, gate valve, flap valve is connected with described delivery port, pipeline between described flap valve and delivery port is provided with pressure meter, described control device is frequency-converting control device, be provided with pressure sensor in the described pressure meter, the signal output part of pressure sensor is connected to frequency-converting control device, and the output of frequency-converting control device connects the rotating speed of control main pump.
In the technique scheme, near the existing water supply line of residential block or the Enterprise Staff residential community water source can utilize, near the building site, there is not ready-made feedwater piping, or existing pipeline be can't utilize the time, can select the river, the pool that meet water quality requirement, build reservoir (general volume is more than 5 cubic metres) by laying bricks or stones.
Further technical scheme, described frequency-converting control device comprises frequency converter, programmable logic controller (PLC) PLC and proportional-integral-differential adjuster PID, the signal output part of pressure sensor is connected with the input of described programmable logic controller (PLC) PLC, the output of described programmable logic controller (PLC) PLC is connected to the input of proportional-integral-differential adjuster, the signal output part of described proportional-integral-differential adjuster is connected with the input of described frequency converter, and the output of described frequency converter is connected with described main pump.
By Set scale-integration-differential regulator, can realize closed-loop control to frequency conversion.
In the technique scheme, by pressure meter being installed additional pressure sensor (perhaps adopting the pressure meter with data signal output), after detecting ductwork pressure, it is changed into the receivable analog signal of PLC and is transferred to PLC, after analyzing relatively, PLC passes through the PID adjuster to the frequency converter output order, regulate pump rotary speed by frequency converter, thereby reach the purpose that constant-pressure variable supplies water.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, the utility model adopts frequency conversion control technique, and variable-frequency motor has an even accelerator when starting, operate steadily, and is little to the impact of equipment.
2, the utility model is directly proportional with the water supply volume size by the water pump operation power consumption of converter technique control, and water power consumption of many times is large, and power consumption was few when water was few, had effectively saved the energy, had improved the utilization ratio of the energy, reduces energy consumption more than 40 percent.
Description of drawings
Fig. 1 is the structural principle schematic diagram of the utility model embodiment.
Fig. 2 is lift characteristic and pipe resistance characteristic curve map.
Wherein: 1, pond; 2, bottom valve; 3, water pump; 4, gate valve; 5, flap valve; 6, remote pressure gauge; 7, pipeline; 8, frequency-conversion control cabinet; 9, intake; 10, delivery port.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: referring to shown in Figure 1, a kind of for high-building construction water water supply installation, comprise water source 1 and water unit, the intake 9 of described water unit is connected with water source 1, its delivery port 10 is connected with water spot with each layer by the road, described water unit comprises bottom valve 2, main pump 3, gate valve 4, flap valve 5, described bottom valve 2 is positioned at described intake 9 places, through main pump 3, gate valve 4, flap valve 5 is connected with described delivery port 10, the pipeline 7 that described flap valve 5 and delivery port are 10 is provided with the pressure meter 6 with numeral output, this water supply installation also comprises frequency-conversion control cabinet 8, described frequency-conversion control cabinet comprises frequency converter, programmable logic controller (PLC) PLC and PID adjuster, the signal output part of described pressure meter 6 is connected with the input of described programmable logic controller (PLC) PLC, the output of described programmable logic controller (PLC) PLC is connected to the input of PID adjuster, the signal output part of described PID adjuster is connected with the input of described frequency converter, and the output of described frequency converter is connected with described main pump 3.
When carrying out the type selecting of water pump and frequency converter, should consider the demand of engineering water, mechanical water, living water use, living area water and water for firefighting, design, to satisfy water requirements.
Referring to shown in Figure 1, water is sucked by main pump 3 through bottom valve 2, main pump 3 extrudes current through gate valve 4, flap valve 5 and flows to the user place, trunk line behind flap valve 5 is installed a remote pressure gauge 6, after described remote pressure gauge detects ductwork pressure, it is changed into the receivable analog signal of PLC and is transferred to PLC, after PLC analyzes relatively, pass through the PID adjuster to the frequency converter output order, regulate pump rotary speed by frequency converter, thereby reach the purpose that constant-pressure variable supplies water.When using first, water pump is filled up diversion, after affirmation pump motor direction of rotation was correct, the operation of can switching on was supplied water.
Because of the actual used water amount always in continuous variation, have every day peak, ebb etc. to change operating mode, so water pump can not always remain on the efficient operating point, obviously the constant speed water pump can not to meet the need.Adopt frequency conversion speed adjusting pump to control the water yield by the speed adjusting performance of frequency converter, namely when pump rotary speed changed, lift characteristic changed thereupon, and pipe resistance characteristic is constant, makes water pump can operate in the variable working condition condition the efficient stage of pump characteristic.
Referring to shown in Figure 2, when required flow is
The time, adopt frequency control, the rotating speed respective change, 4. heat-capacity curve becomes curve thereupon, and the pipe resistance characteristic curve is 2. constant, system works point moves to the C point by the A point; And by turning down or the valve of performing fighting when coming adjust flux, lift characteristic is 1. constant, and 3. pipe resistance characteristic but changes thereupon, and namely its operating point moves to the B point by A point, clearly, and the confession water-horse power that frequency control is saved
Area with dash area
Be directly proportional.
The utility model adopts frequency conversion control technique, variable-frequency motor has an even accelerator when starting, operate steadily, the impact of equipment water pump operation power consumption little and that control by converter technique is directly proportional with the water supply volume size, water power consumption of many times is large, and power consumption was few when water was few, had effectively saved the energy, improve the utilization ratio of the energy, reduced energy consumption more than 40 percent.
Claims (2)
1. the water supply installation of a high-building construction water, comprise the water source, water unit and control device, the intake of described water unit is connected with described water source, the delivery port of water unit is connected with water spot with each layer by the road, described water unit comprises bottom valve, main pump, gate valve, flap valve, described bottom valve is positioned at described intake place, through main pump, gate valve, flap valve is connected with described delivery port, pipeline between described flap valve and delivery port is provided with pressure meter, it is characterized in that: described control device is frequency-converting control device, be provided with pressure sensor in the described pressure meter, the signal output part of pressure sensor is connected to frequency-converting control device, and the output of frequency-converting control device connects the rotating speed of control main pump.
2. the water supply installation of high-building construction water according to claim 1, it is characterized in that: described frequency-converting control device comprises frequency converter, programmable logic controller (PLC) PLC and proportional-integral-differential adjuster PID, the signal output part of pressure sensor is connected with the input of described programmable logic controller (PLC) PLC, the output of described programmable logic controller (PLC) PLC is connected to the input of proportional-integral-differential adjuster, the signal output part of described proportional-integral-differential adjuster is connected with the input of described frequency converter, and the output of described frequency converter is connected with described main pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205546174U CN202831090U (en) | 2012-10-26 | 2012-10-26 | Water supply device for high-rise building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205546174U CN202831090U (en) | 2012-10-26 | 2012-10-26 | Water supply device for high-rise building construction |
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| Publication Number | Publication Date |
|---|---|
| CN202831090U true CN202831090U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205546174U Expired - Lifetime CN202831090U (en) | 2012-10-26 | 2012-10-26 | Water supply device for high-rise building construction |
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| Country | Link |
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| CN (1) | CN202831090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130436A (en) * | 2019-06-06 | 2019-08-16 | 杨广平 | Intelligent water energy repetend electric system |
-
2012
- 2012-10-26 CN CN2012205546174U patent/CN202831090U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130436A (en) * | 2019-06-06 | 2019-08-16 | 杨广平 | Intelligent water energy repetend electric system |
| CN110130436B (en) * | 2019-06-06 | 2021-06-04 | 杨广平 | Intelligent water energy circulation power-saving system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 215008, No. 380 Tong Dong North Road, Suzhou District, Jiangsu, Suzhou Patentee after: ZHONGYIFENG CONSTRUCTION GROUP Co.,Ltd. Address before: 215131 No. 88, Yang Cheng Road, Xiangcheng Economic Development Zone, Jiangsu, Suzhou Patentee before: SUZHOU ERJIAN CONSTRUCTION GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |