CN203741939U - Intelligent box type negative-pressure-free water supply device - Google Patents
Intelligent box type negative-pressure-free water supply device Download PDFInfo
- Publication number
- CN203741939U CN203741939U CN201320881590.4U CN201320881590U CN203741939U CN 203741939 U CN203741939 U CN 203741939U CN 201320881590 U CN201320881590 U CN 201320881590U CN 203741939 U CN203741939 U CN 203741939U
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- water
- pipe
- microcomputer
- water pump
- water supply
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Abstract
The utility model discloses an intelligent box type negative-pressure-free water supply device which is mainly composed of a filter, a backflow preventing device, a water level control valve, a stainless steel water tank, a water pump, a motor, a flow meter and a control cabinet. The control cabinet comprises a frequency converter, a microcomputer and a control relay, wherein the frequency converter is connected into a power supply circuit of the motor in series. The motor is used for driving the water pump. An analog quantity output end of the microcomputer is connected with a control end of the frequency converter. A single-chip microcomputer is adopted as the microcomputer. The intelligent box type negative-pressure-free water supply device has the advantages that the water tank is connected to the negative-pressure-free water supply device in parallel, and therefore the adjustment range of the volume is widened, and water supply reliability is improved; full-automatic control can be achieved without attended operation; meanwhile, the intelligent box type negative-pressure-free water supply device has a good energy conservation effect, and is low in cost, low in price, beneficial to popularization and application, and particularly suitable for secondary water supply occasions where tap water inlet pressure is usually insufficient or the water inlet flow rate is interrupted and insufficient.
Description
Technical field
The utility model relates to secondary water-supply technical field, specifically a kind of Intelligent box type no-negative-pressure water supply equipment.
Background technology
No-negative-pressure water supply equipment is energy-conservation owing to can utilizing tap water pipe network to press, and takes up an area littlely, and management maintenance is convenient, thereby has been widely used in the secondary water-supply field of house, office, market, school etc. at present.But no-negative-pressure water supply equipment is due to the expensive of steady flow compensator and vacuum suppresser being set, and its adjust flux is little, this is interrupted not enough secondary water-supply occasion for the frequent deficiency of tap water pressure or flow and is not suitable for adopting, thereby has limited the range of application of no-negative-pressure water supply equipment.
Utility model content
The purpose of this utility model is to provide a kind of adjust flux large, moderate and can realize the Intelligent box type no-negative-pressure water supply equipment of Automatic Control.
The utility model solves the technical scheme that its technical problem adopts: Intelligent box type no-negative-pressure water supply equipment is mainly by strainer, backflow preventer, altitude valve, stainless steel water tank, water pump, motor, flow meter and switch board composition, stainless steel water tank is arranged on before water feeding of water pump, radiator drain after the flap valve water pump to outlet pipe, tank inlet pipe is connected with tap water water inlet pipe, and be used for controlling its water inlet at stainless steel water tank import department installing altitude valve, in stainless steel water tank, be also provided with water level transmitter, on tap water water inlet pipe, be equiped with backflow preventer, before backflow preventer, be provided with strainer, after the backflow preventer of tap water water inlet pipe, walking around stainless steel water tank is provided with direct-furnish pipe and is connected with water pump, and be provided with distance-transmission pressure gauge on direct-furnish pipe, between direct-furnish pipe and the outlet pipe of water pump, walk around water pump and be provided with bypass pipe, and bypass pipe is provided with flap valve, water pump connects motor, and be provided with distance-transmission pressure gauge on the outlet pipe of water pump, outlet pipe connects user's pipe network to supplying with water spot through flow meter, water level transmitter, the distance-transmission pressure gauge of direct-furnish pipe, motor, the distance-transmission pressure gauge of outlet pipe is connected with switch board respectively with flow meter, described switch board comprises frequency converter, microcomputer and control relay, frequency converter is serially connected in the current supply circuit of motor, and motor is used for driving water pump, water level transmitter, the delivery outlet of the distance-transmission pressure gauge of direct-furnish pipe and the distance-transmission pressure gauge of outlet pipe and flow meter connects respectively the analog input end of microcomputer, the control end of the analog output termination frequency converter of microcomputer, described microcomputer adopts single-chip microcomputer.
Operating principle of the present utility model is, tap water enters stainless steel water tank by tap water water inlet pipe through altitude valve, until when stainless steel water tank full water, altitude valve is closed, now, tap water is that water pump provides setting-out source through direct-furnish pipe, because the pressure of direct-furnish pipe is greater than the pressure of radiator drain, the flap valve of radiator drain is in closed condition, and water pump is only fetched water from direct-furnish pipe; In the time occurring that the water yield of underfed, water pump of tap water water inlet pipe is greater than the inflow of direct-furnish pipe, the effect of the flap valve of direct-furnish pipe to radiator drain declines rapidly, current gravity pressure and the having the double action of pressing tap water jet under of direct-furnish pipe of this flap valve in stainless steel water tank is forced to open simultaneously, water pump is fetched water from direct-furnish pipe and stainless steel water tank, because the water storage of stainless steel water tank exists, can make the pressure of tap water water inlet pipe be greater than all the time zero, to realize non-negative pressure method of water supply; Below water level transmitter detects the lower limit water level that the water level of stainless steel water tank drops to setting time, send termination of pumping signal to microcomputer; sent again the signal of control relay by microcomputer; make to cut off the power supply of motor; water pump is stoppage protection immediately; when detecting the water level of stainless steel water tank and return to the upper limit water level of setting and send when above the signal of startup water pump, water pump reenters normal condition.Water pump is constant pressure water supply under normal condition, the distance-transmission pressure gauge of outlet pipe changes the pressure signal detecting into electric signal transmission to microcomputer, microcomputer will be transformed to digital value again and compare with predefined constant voltage value, and transfer result relatively to electric signal transmission to frequency converter out-put supply frequency, make to change the rotating speed of motor, thereby change the output of water pump, and ensure that water pump is stabilized in the force value of outlet pipe in the constant voltage value of setting, realize constant pressure water supply, reach energy-saving effect.
The beneficial effects of the utility model are, the utility model is arranged in parallel water tank with amount of the reserve water on the basis of no-negative-pressure water supply equipment, thereby increase pondage, improve reliability of water supply, and automatically can unmanned control, good energy-saving effect there is simultaneously, its cost is also low, low price, is conducive to promotion and application, is particularly suited for the frequent deficiency of tap water intake pressure or flow of inlet water and is interrupted not enough secondary water-supply occasion.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
In figure, 1, tap water water inlet pipe, 2, strainer, 3, backflow preventer, 4, tank inlet pipe, 5, altitude valve, 6, stainless steel water tank, 7, water level transmitter, 8, direct-furnish pipe, 9, distance-transmission pressure gauge, 10, flap valve, 11, radiator drain, 12, bypass pipe, 13, water pump, 14, flap valve, 15, motor, 16, outlet pipe, 17, distance-transmission pressure gauge, 18, flow meter, 19, switch board, 20, with water spot, 1901, frequency converter, 1902, microcomputer, 1903, control relay.
Detailed description of the invention
With regard to accompanying drawing 1, Intelligent box type no-negative-pressure water supply equipment of the present utility model is described in detail below below.
As shown in Figure 1, Intelligent box type no-negative-pressure water supply equipment of the present utility model is mainly by strainer 2, backflow preventer 3, altitude valve 5, stainless steel water tank 6, water pump 13, motor 15, flow meter 18 and switch board 19 form, stainless steel water tank 6 is arranged on before the water inlet of water pump 13, radiator drain 11 water pump 13 after flap valve 10 arrives outlet pipe 16, tank inlet pipe 4 is connected with tap water water inlet pipe 1, and install altitude valves 5 for controlling its water inlet in stainless steel water tank 6 import departments, in stainless steel water tank 6, be also provided with water level transmitter 7, on tap water water inlet pipe 1, be equiped with backflow preventer 3, before backflow preventer 3, be provided with strainer 2, after the backflow preventer 3 of tap water water inlet pipe 1, walking around stainless steel water tank 6 is provided with direct-furnish pipe 8 and is connected with water pump 13, and on direct-furnish pipe 8, be provided with distance-transmission pressure gauge 9, between direct-furnish pipe 8 and the outlet pipe 16 of water pump 13, walk around water pump 13 and be provided with bypass pipe 12, and bypass pipe 12 is provided with flap valve 14, water pump 13 connects motor 15, and be provided with distance-transmission pressure gauge 17 on the outlet pipe 16 of water pump 13, outlet pipe 16 connects user's pipe network to supplying with water spot 20 through flow meter 18, water level transmitter 7, the distance-transmission pressure gauge 9 of direct-furnish pipe 8, motor 15, the distance-transmission pressure gauge 17 of outlet pipe 16 is connected with switch board 19 respectively with flow meter 18, described switch board 19 comprises frequency converter 1901, microcomputer 1902 and control relay 1903, frequency converter 1901 is serially connected in the current supply circuit of motor 15, and motor 15 is for driving water pump 13, water level transmitter 7, the delivery outlet of the distance-transmission pressure gauge 9 of direct-furnish pipe 8 and the distance-transmission pressure gauge of outlet pipe 16 17 and flow meter 18 connects respectively the analog input end of microcomputer 1902, the control end of the analog output termination frequency converter 1901 of microcomputer 1902, described microcomputer 1902 adopts single-chip microcomputer.
Operating principle of the present utility model is, tap water enters stainless steel water tank 6 by tap water water inlet pipe 1 through altitude valve 5, until when stainless steel water tank 6 full water, altitude valve 5 is closed, now, tap water provides setting-out source through direct-furnish pipe 8 for water pump 13, because the pressure of direct-furnish pipe 8 is greater than the pressure of radiator drain 11, the flap valve 10 of radiator drain 11 is in closed condition, and water pump 13 is only fetched water from direct-furnish pipe 8; In the time occurring that the water yield of underfed, water pump 13 of tap water water inlet pipe 1 is greater than the inflow of direct-furnish pipe 8, the effect of the flap valve 10 of direct-furnish pipe 8 to radiator drain 11 declines rapidly, current gravity pressure and the having the double action of pressing tap water jet under of direct-furnish pipe 8 of this flap valve 10 in stainless steel water tank 6 is forced to open simultaneously, water pump 13 is fetched water from direct-furnish pipe 8 and stainless steel water tank 6, because the water storage of stainless steel water tank 6 exists, can make the pressure of tap water water inlet pipe 1 be greater than all the time zero, to realize non-negative pressure method of water supply; In the time that dropping to below the lower limit water level of setting, the water level that water level transmitter 7 detects stainless steel water tank 6 sends termination of pumping signal to microcomputer 1902; sent again the signal of control relay 1903 by microcomputer 1902; make to cut off the power supply of motor 15; water pump 13 stoppage protection immediately; when detecting the water level of stainless steel water tank 6 and return to the upper limit water level of setting and send when above the signal of startup water pump 13, water pump 13 reenters normal condition.Water pump 13 is constant pressure water supply under normal condition, the distance-transmission pressure gauge 17 of outlet pipe 16 changes the pressure signal detecting into electric signal transmission to microcomputer 1902, microcomputer 1902 will be transformed to digital value again and compare with predefined constant voltage value, and transfer result relatively to electric signal transmission to frequency converter 1901 out-put supply frequencies, make to change the rotating speed of motor 15, thereby change the output of water pump 13, and ensure that water pump 13 is stabilized in the force value of outlet pipe 16 in the constant voltage value of setting, realize constant pressure water supply, reach energy-saving effect.
Claims (4)
1. an Intelligent box type no-negative-pressure water supply equipment is mainly by strainer, backflow preventer, altitude valve, stainless steel water tank, water pump, motor, flow meter and switch board composition, stainless steel water tank is arranged on before water feeding of water pump, radiator drain after the flap valve water pump to outlet pipe, tank inlet pipe is connected with tap water water inlet pipe, it is characterized in that, at stainless steel water tank import department installing altitude valve, in stainless steel water tank, be also provided with water level transmitter, on tap water water inlet pipe, be equiped with backflow preventer, before backflow preventer, be provided with strainer, after the backflow preventer of tap water water inlet pipe, walking around stainless steel water tank is provided with direct-furnish pipe and is connected with water pump, and be provided with distance-transmission pressure gauge on direct-furnish pipe, water pump connects motor, and be provided with distance-transmission pressure gauge on the outlet pipe of water pump, outlet pipe connects user's pipe network to supplying with water spot through flow meter.
2. Intelligent box type no-negative-pressure water supply equipment according to claim 1, it is characterized in that, the distance-transmission pressure gauge of the distance-transmission pressure gauge of water level transmitter, direct-furnish pipe, motor, outlet pipe is connected with switch board respectively with flow meter, described switch board comprises frequency converter, microcomputer and control relay, frequency converter is serially connected in the current supply circuit of motor, the delivery outlet of the distance-transmission pressure gauge of water level transmitter, direct-furnish pipe and the distance-transmission pressure gauge of outlet pipe and flow meter connects respectively the analog input end of microcomputer, the control end of the analog output termination frequency converter of microcomputer.
3. Intelligent box type no-negative-pressure water supply equipment according to claim 2, is characterized in that, described microcomputer adopts single-chip microcomputer.
4. Intelligent box type no-negative-pressure water supply equipment according to claim 1, is characterized in that, between direct-furnish pipe and the outlet pipe of water pump, walk around water pump and be provided with bypass pipe, and bypass pipe is provided with flap valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881590.4U CN203741939U (en) | 2013-12-30 | 2013-12-30 | Intelligent box type negative-pressure-free water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881590.4U CN203741939U (en) | 2013-12-30 | 2013-12-30 | Intelligent box type negative-pressure-free water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203741939U true CN203741939U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881590.4U Expired - Fee Related CN203741939U (en) | 2013-12-30 | 2013-12-30 | Intelligent box type negative-pressure-free water supply device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203741939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153426A (en) * | 2014-08-19 | 2014-11-19 | 安徽金科橡塑制品有限公司 | Energy-saving water supply system |
| CN105986597A (en) * | 2015-02-16 | 2016-10-05 | 成都威茨泵业有限公司 | Variable frequency water supply equipment |
| CN110823288A (en) * | 2019-11-25 | 2020-02-21 | 山东科源供排水设备工程有限公司 | Secondary water supply equipment energy consumption detection device and use method thereof |
-
2013
- 2013-12-30 CN CN201320881590.4U patent/CN203741939U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153426A (en) * | 2014-08-19 | 2014-11-19 | 安徽金科橡塑制品有限公司 | Energy-saving water supply system |
| CN105986597A (en) * | 2015-02-16 | 2016-10-05 | 成都威茨泵业有限公司 | Variable frequency water supply equipment |
| CN110823288A (en) * | 2019-11-25 | 2020-02-21 | 山东科源供排水设备工程有限公司 | Secondary water supply equipment energy consumption detection device and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |