CN203129254U - Non-negative pressure variable frequency water supply device - Google Patents
Non-negative pressure variable frequency water supply device Download PDFInfo
- Publication number
- CN203129254U CN203129254U CN2013201644492U CN201320164449U CN203129254U CN 203129254 U CN203129254 U CN 203129254U CN 2013201644492 U CN2013201644492 U CN 2013201644492U CN 201320164449 U CN201320164449 U CN 201320164449U CN 203129254 U CN203129254 U CN 203129254U
- Authority
- CN
- China
- Prior art keywords
- water
- negative pressure
- variable frequency
- supply device
- water supply
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model provides a non-negative pressure variable frequency water supply device and belongs to the technical field of machinery. The non-negative pressure variable frequency water supply device solves the problems that an existing water supply device has poor reliability, large energy consumption and the like. The non-negative pressure variable frequency water supply device comprises a variable frequency control cabinet, a water inlet pipe, a water outlet pipe and a plurality of water pumps, wherein the plurality of water pumps are arranged between the water inlet pipe and the water outlet pipe in parallel, every water pump is connected with the variable frequency control cabinet, the water inlet end of the water inlet pipe is fixedly connected with a non-negative pressure tank which can store water, a liquid level sensor which is connected with the variable frequency control cabinet is arranged inside the non-negative pressure tank, the water outlet pipe is fixedly connected with a pressure tank, and the water outlet end of the water outlet pipe is provided with a pressure sensor which is connected with the variable frequency control cabinet. The non-negative pressure variable frequency water supply device has the advantages of being energy-saving and good in reliability and the like.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of supply equipment, particularly a kind of non-negative pressure frequency-changing water supply device.
Background technology
In traditional water supply pattern, all be to call in tap water from the water works of municipal sector earlier, from pipe network, put into water tank then, supply water to the user via force (forcing) pump, easy like this hydraulic pressure on the city planting ductwork is wasted fully, if fetch water on the city planting ductwork and directly be connected to by water pump, be easy to generate negative pressure again, other user's waters of influence periphery.
Problem at above-mentioned existence, people are by the second pressure water supply of Application of Frequency Conversion in highrise building at present, frequency modulation water supply equipment is the technical combinations that water collecting pump operation, control circuit automatic control program are programmed in one, when water supply volume reduces or increase, the speed governing of control circuit control pump variable frequency, make water pressure invariableness, but still there is the bigger problem of power consumption in it.Also have people to design non-negative pressure water-supply installation, it had installed a steady flow compensator additional before the force (forcing) pump group and vacuum suppresser is eliminated negative pressure, in case but the city planting ductwork short-term cut off the water, the user is anhydrous available, reliability of water supply is on the low side.
Summary of the invention
The purpose of this utility model is at the above-mentioned problems in the prior art, and a kind of good reliability, energy-conservation non-negative pressure frequency-changing water supply device are provided.
The purpose of this utility model can realize by following technical proposal: a kind of non-negative pressure frequency-changing water supply device, comprise the variable frequency control cabinet, water inlet pipe, outlet pipe and several water pumps, several water pumps are parallel between water inlet pipe and the outlet pipe and each water pump all links with the variable frequency control cabinet, it is characterized in that, the water inlet end of described water inlet pipe is fixed with the pot with no negative pressure of energy water storage, be provided with in the described pot with no negative pressure and the joining liquid level sensor of variable frequency control cabinet, the water side that is fixed with pressurized tank and outlet pipe on the described outlet pipe is provided with and the joining pressure sensor of variable frequency control cabinet.
In above-mentioned non-negative pressure frequency-changing water supply device, the water inlet of described water pump is provided with first valve, and the delivery port place of water pump is provided with flap valve, and the port of export of described flap valve is connected with second valve.Can regulate water flow according to actual conditions by first valve, second valve, easy to adjust, flap valve is avoided the current regurgitate, and it is smooth to cross current.
In above-mentioned non-negative pressure frequency-changing water supply device, described pot with no negative pressure is that stainless steel material is made.
In above-mentioned non-negative pressure frequency-changing water supply device, described water pump is centrifugal multistage pump multiple centrifugal pump.
In above-mentioned non-negative pressure frequency-changing water supply device, the quantity of described water pump is 2 to 6.
Compared with prior art, this non-negative pressure frequency-changing water supply device has replaced old-fashioned water tank with pot with no negative pressure, water tower, the pond, avoided the secondary pollution of drinking water, the municipal tap water pipe network is not being produced under the prerequisite of negative pressure simultaneously, maximally utilised original pressure energy of municipal tap water pipe network, can reduce water pump platform number or reduce pump rotary speed when comparing operation with common reservoir suction, reduce operation energy consumption so greatly, saved running cost, also have converting operation to realize the constant voltage that supplies water, reduce running cost on the one hand, greatly promoted the comfort level of floor user water on the other hand.
Description of drawings
Fig. 1 is the structural representation of this non-negative pressure frequency-changing water supply device.
Among the figure, 1, the variable frequency control cabinet; 2, water inlet pipe; 3, outlet pipe; 4, water pump; 5, pot with no negative pressure; 6, liquid level sensor; 7, pressurized tank; 8, pressure sensor; 9, first valve; 10, flap valve; 11, second valve.
The specific embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this non-negative pressure frequency-changing water supply device comprises variable frequency control cabinet 1, water inlet pipe 2, outlet pipe 3 and several water pumps 4, several water pumps 4 are parallel between water inlet pipe 2 and the outlet pipe 3 and each water pump 4 all links with variable frequency control cabinet 1, the quantity of water pump 4 is 2 to 6, water pump 4 quantity are 3 in the present embodiment, and water pump 4 is centrifugal multistage pump multiple centrifugal pump.The water inlet end of water inlet pipe 2 is fixed with the pot with no negative pressure 5 of energy water storage, pot with no negative pressure 5 is made for stainless steel material, be provided with in the pot with no negative pressure 5 and variable frequency control cabinet 1 joining liquid level sensor 6, the water side that is fixed with pressurized tank 7 and outlet pipe 3 on the outlet pipe 3 is provided with and variable frequency control cabinet 1 joining pressure sensor 8.The water inlet of water pump 4 is provided with first valve 9, and the delivery port place of water pump 4 is provided with flap valve 10, and the port of export of flap valve 10 is connected with second valve 11.
Pot with no negative pressure 5 in this non-negative pressure frequency-changing water supply device directly is connected with the municipal tap water pipe network, tap water is stored in the pot with no negative pressure 5, during the work of this non-negative pressure frequency-changing water supply device, first valve 9 and second valve 11 are opened, when the municipal tap water ductwork pressure is enough, the detected pressure value that pressure sensor 8 will detect the water side of outlet pipe 3 is passed to variable frequency control cabinet 1, and three water pumps 4 of variable frequency control cabinet 1 control cut out, and directly supply water with the municipal tap water ductwork pressure and give the user; When the municipal tap water ductwork pressure is not enough, pressure sensor 8 is passed to variable frequency control cabinet 1 with the detected pressure value of water side, variable frequency control cabinet 1 compares detected pressure value and setting value, calculate original pressure-based at the municipal tap water pipe network and need the force value that increases, determine platform number and water pump 4 frequency conversion output valves (rotating speed of water pump 4) that water pump 4 puts into operation, realize constant voltage to meet the water curve; Cut off the water or water supply volume during greater than output when municipal tap water pipe network short-term, the storage water in the pot with no negative pressure 5 replenish and use for the user; Storing water in pot with no negative pressure 5 reaches down in limited time, liquid level sensor 6 is passed to variable frequency control cabinet 1 with signal, variable frequency control cabinet 1 powered-down, this non-negative pressure frequency-changing water supply device quits work, when the municipal tap water pipe network recovered pressure and supplies water, the water level of the storage water in the pot with no negative pressure 5 rose, and it is right that liquid level sensor 6 is passed to variable frequency control with signal, variable frequency control cabinet 1 power-on, this non-negative pressure frequency-changing water supply device is resumed work.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as variable frequency control cabinet 1, water inlet pipe 2, outlet pipe 3, water pump 4, pot with no negative pressure 5, liquid level sensor 6, pressurized tank 7, pressure sensor 8, first valve 9, flap valve 10, second valve 11 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. non-negative pressure frequency-changing water supply device, comprise variable frequency control cabinet (1), water inlet pipe (2), outlet pipe (3) and several water pumps (4), several water pumps (4) are parallel between water inlet pipe (2) and the outlet pipe (3) and each water pump (4) all links with variable frequency control cabinet (1), it is characterized in that, the water inlet end of described water inlet pipe (2) is fixed with the pot with no negative pressure (5) of energy water storage, be provided with in the described pot with no negative pressure (5) and the joining liquid level sensor of variable frequency control cabinet (1) (6), the water side that is fixed with pressurized tank (7) and outlet pipe (3) on the described outlet pipe (3) is provided with and the joining pressure sensor of variable frequency control cabinet (1) (8).
2. non-negative pressure frequency-changing water supply device according to claim 1, it is characterized in that, the water inlet of described water pump (4) is provided with first valve (9), and the delivery port place of water pump (4) is provided with flap valve (10), and the port of export of described flap valve (10) is connected with second valve (11).
3. non-negative pressure frequency-changing water supply device according to claim 1 and 2 is characterized in that, described pot with no negative pressure (5) is made for stainless steel material.
4. non-negative pressure frequency-changing water supply device according to claim 1 and 2 is characterized in that, described water pump (4) is centrifugal multistage pump multiple centrifugal pump.
5. non-negative pressure frequency-changing water supply device according to claim 1 and 2 is characterized in that, the quantity of described water pump (4) is 2 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201644492U CN203129254U (en) | 2013-03-22 | 2013-03-22 | Non-negative pressure variable frequency water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201644492U CN203129254U (en) | 2013-03-22 | 2013-03-22 | Non-negative pressure variable frequency water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203129254U true CN203129254U (en) | 2013-08-14 |
Family
ID=48937248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201644492U Expired - Fee Related CN203129254U (en) | 2013-03-22 | 2013-03-22 | Non-negative pressure variable frequency water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203129254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556675A (en) * | 2013-11-13 | 2014-02-05 | 无锡康宇水处理设备有限公司 | Water supply equipment integrating vacuum inhibition and reverse flow compensation |
-
2013
- 2013-03-22 CN CN2013201644492U patent/CN203129254U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556675A (en) * | 2013-11-13 | 2014-02-05 | 无锡康宇水处理设备有限公司 | Water supply equipment integrating vacuum inhibition and reverse flow compensation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101781899A (en) | Energy-saving living water supply improvement method and system applying same | |
| CN203741938U (en) | Pipe network pressurizing energy-saving water supply device | |
| CN203129254U (en) | Non-negative pressure variable frequency water supply device | |
| CN201730146U (en) | Intelligent constant-pressure variable-output water supply device | |
| CN201771022U (en) | Non-negative pressure water supply equipment | |
| CN202787396U (en) | Full-time active pool frequency-conversion water supply equipment | |
| CN203821499U (en) | Non-negative pressure water supply equipment with pressure sensor | |
| CN104746576A (en) | Water tank adjustment and storage variable voltage transformation pipe network pressure-superposed water supply device | |
| CN203741939U (en) | Intelligent box type negative-pressure-free water supply device | |
| CN201209262Y (en) | Non-negative pressure automatic water supply flow compensator | |
| CN203878670U (en) | Variable-frequency and multi-constant-pressure energy-saving water supply system | |
| CN104846946A (en) | Energy-saving no-negative-pressure direct-connected water supply equipment | |
| CN203821491U (en) | Non-negative pressure water supply equipment | |
| CN104746584A (en) | Intelligent box type non-negative pressure water supply device | |
| CN201080623Y (en) | Full-automatic negative-pressure free energy-saving water-supply installation | |
| CN104846929A (en) | Full-automatic energy-saving no-negative-pressure pipe network pressure-superposed water supply equipment | |
| CN104846942A (en) | Pipe network pressure-superposed water supply plant with air pressure tank for energy saving | |
| CN205205908U (en) | Variable -frequency and constant -pressure water supply system | |
| CN203821483U (en) | Membrane treatment device of non-negative pressure water supply equipment | |
| CN207228233U (en) | Variable quantity and pressure non-negative pressure water-supply installation | |
| CN203569637U (en) | Secondary water supply system for high-rise building | |
| CN102704534A (en) | Frequency-conversion booster water pump set | |
| CN102776920A (en) | Pressure-superposing water feeding device | |
| CN203821490U (en) | Non-negative pressure water supply equipment | |
| CN203821493U (en) | Non-negative pressure flow stabilization tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140322 |