CN202544031U - Negative-pressure-free apparatus - Google Patents
Negative-pressure-free apparatus Download PDFInfo
- Publication number
- CN202544031U CN202544031U CN201220135739XU CN201220135739U CN202544031U CN 202544031 U CN202544031 U CN 202544031U CN 201220135739X U CN201220135739X U CN 201220135739XU CN 201220135739 U CN201220135739 U CN 201220135739U CN 202544031 U CN202544031 U CN 202544031U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- inlet
- outlet
- pressure sensor
- pressure
- 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
- Pipeline Systems (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a negative-pressure-free apparatus arranged in a municipal tap water pipe network. The negative-pressure-free apparatus comprises a flow stabilization tank, a water inlet pipeline, a water outlet pipeline and an automatic control device, wherein at least one first pipeline and at least one second pipeline are arranged between the water inlet pipeline and the water outlet pipeline; a water inlet of the flow stabilization tank is provided with an inlet pressure sensor; the water outlet pipeline is provided with an outlet pressure sensor; both the inlet pressure sensor and the outlet pressure sensor are electrically connected with the automatic control device; and a frequency converter is arranged between the automatic control device and the second pipeline. According to the negative-pressure-free apparatus disclosed by the utility model, the inlet pressure sensor and the outlet pressure sensor detect the pressure, and the automatic control device regulates the first pipeline and second pipeline, thereby ensuring the constant pressure of the overall system and reducing the influence on the municipal tap water pipe network.
Description
Technical field
The utility model relates to a kind of supply equipment that is used for secondary booster, is specifically related to a kind of no negative pressure equipment that directly is serially connected on the pipe network of municipal tap water.
Background technology
No negative pressure equipment is a kind of laminated type way of supplying water that directly utilizes tap water pipe network pressure; The two-way multivariable automatic steady current of flow, pressure balance through to flow, pressure and the water of tap water water inlet realizes; Its a kind of supply equipment that is used for secondary booster is mainly used in the sub-district and needs the place of supercharging.
The no negative pressure equipment of using on the existing market, what the current stabilization jar adopted is exhaust, during the equipment water, just works when having only pressure to be lower than atmospheric pressure, at this moment tap water is affected, thereby has influenced peripheral water; When the current stabilization jar was worked, tank interior got into atmosphere, contacted with water and caused secondary pollution.
In addition, frequency converter uses the pid algorithm that carries to regulate aspect control, and control accuracy is low, and equipment pressure oscillation when operation is big.
Therefore, a kind of service behaviour better, can reduce the no negative pressure equipment of peripheral water influence is demanded urgently occurring.
The utility model content
For solving the problems of the technologies described above, the purpose of the utility model be to provide a kind of service behaviour better, can reduce no negative pressure equipment to peripheral water influence.
For achieving the above object; The technical scheme of the utility model is following: a kind of no negative pressure equipment; Be installed in the pipe network of municipal tap water, comprise current stabilization jar, inlet pipeline, outlet pipeline and automaton, between said inlet pipeline and said outlet pipeline, be provided with first pipeline and second pipeline; Water inlet at said current stabilization jar is provided with inlet pressure sensor, and outlet pipeline is provided with outlet pressure sensor;
Said inlet pressure sensor and said outlet pressure sensor all are electrically connected with said automaton;
Be provided with frequency converter between said automaton and said second pipeline;
Said first pipeline is at least one;
Said second pipeline is at least one.
Preferably, said first pipeline comprises first flap valve and first valve, and said first flap valve and said first valve are connected between said inlet pipeline and the said outlet pipeline successively.
Preferably, said second pipeline comprises water pump, is provided with second valve in the front and back end of said water pump, between said water pump and said second valve near outlet pipeline, is provided with second flap valve.
Preferably, said frequency converter is electrically connected with said water pump.
Preferably, said automaton comprises analog quantity acquiring device and the programmable logic controller that is used for acquired signal.
Preferably, the delivery port at said outlet pipeline is provided with the pressurized tank that is used to keep the delivery port pressure stability.
Pass through technique scheme; The beneficial effect of the utility model technical scheme is: a kind of no negative pressure equipment; Be installed in the pipe network of municipal tap water, comprise current stabilization jar, inlet pipeline, outlet pipeline and automaton, between said inlet pipeline and said outlet pipeline, be provided with first pipeline and second pipeline; Water inlet at said current stabilization jar is provided with inlet pressure sensor, and outlet pipeline is provided with outlet pressure sensor; Said inlet pressure sensor and said outlet pressure sensor all are electrically connected with said automaton; Be provided with frequency converter between said automaton and said second pipeline; Said first pipeline is at least one, and said second pipeline is at least one; Adopt the no negative pressure equipment that the utility model provided; Through the detection of inlet pressure sensor and outlet pressure sensor to pressure; Again through the adjusting of automaton to first pipeline and second pipeline; Thereby guaranteed the constant of whole system pressure, can reduce influence the municipal tap water pipe network.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology; To do to introduce simply to the accompanying drawing of required use in the embodiment technical description below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of structural representation that does not have negative pressure equipment embodiment 1 of the utility model;
Fig. 2 is a kind of structural representation that does not have negative pressure equipment embodiment 2 of the utility model.
The represented corresponding component title of numeral among the figure:
1. current stabilization jar 2. inlet pipelines 3. outlet pipelines 4. automatons 41. analog quantity acquiring devices 42. programmable logic controllers 5. first pipelines 51. first flap valve 52. first valves 6. second pipelines 61. water pumps 62. second flap valve 63. second valves 7. inlet pressure sensors 8. outlet pressure sensors 9. frequency converters 10. pressurized tanks.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provide a kind of service behaviour better, can reduce no negative pressure equipment to peripheral water influence.
Embodiment 1,
As shown in Figure 1; A kind of no negative pressure equipment; Be installed in the pipe network of municipal tap water, comprise current stabilization jar 1, inlet pipeline 2, outlet pipeline 3 and automaton 4, between said inlet pipeline 2 and said outlet pipeline 4, be provided with first pipeline 5 and second pipeline 6; Water inlet at said current stabilization jar 1 is provided with inlet pressure sensor 7; Outlet pipeline 3 is provided with outlet pressure sensor 8, and said inlet pressure sensor 7 all is electrically connected with said automaton 4 with said outlet pressure sensor 8, is provided with frequency converter 9 between said automaton 4 and said second pipeline 6; Current stabilization jar 1 adopts full-closed structure, and water does not contact with atmosphere in the current stabilization jar 1, does not produce secondary pollution.
In the present technique scheme; Said first pipeline 5 and 6 parallel connections of said second pipeline; Said first pipeline 5 is one; Said second pipeline 6 also is one, and said first pipeline 5 comprises first flap valve 51 and first valve 52, and said first flap valve 51 and said first valve 52 are connected between said inlet pipeline 2 and the said outlet pipeline 3 successively; Said second pipeline 6 comprises water pump 61; Be provided with second valve 63 in the front and back end of said water pump 61; Between said water pump 61 and said second valve 63, be provided with second flap valve 62 near outlet pipeline 3; Said frequency converter 9 is electrically connected with said water pump 61, thus the running of control of pump 61.
Use the running of 9 pairs of water pumps 61 of frequency converter to control, program is specialized, and the PID control performance is more reasonable, and during variable frequency adjustment, the discharge pressure fluctuation is little, uses programmable logic controller 42 to carry out logic control, and performance just adds reliably.
Said automaton 4 comprises the analog quantity acquiring device 41 and programmable logic controller 42 that is used for acquired signal; Delivery port at said outlet pipeline 3 is provided with the pressurized tank 10 that is used to keep the delivery port pressure stability; Pressurized tank 10 has been installed in the water side; Port of export pressure is carried out voltage stabilizing, improved pressure controling precision.
During use this equipment is inserted the municipal tap water pipe network; The lowest service pressure that the municipal tap water allows is set on programmable logic controller 42; Be sent to analog quantity acquiring device 41 through inlet pressure sensor 7 collection entrance point pressure and be input to programmable logic controller 42 again, through programmable logic controller 42, according to intake pressure; The operation of the water pump 61 that control starts does not exert an influence it to the municipal tap water.
The goal pressure that the user needs is set on programmable logic controller 42; Gather port of export pressure by outlet pressure sensor 8; Be transferred to analog quantity acquiring device 41, pass to programmable logic controller 42 again, calculate by programmable logic controller 42 and control frequency converter 9 running frequencies; Come control of pump 61 rotating speed of motor, thereby reach constant voltage.
Its operating principle is: when municipal tap water pressure is higher than the minimum that programmable logic controller 42 is set; System is in normal condition, and the municipal tap water gets into current stabilization jar 1, and programmable logic controller 42 is through 9 operations of control frequency converter; Gather water side pressure simultaneously; Use pid algorithm to calculate through programmable logic controller 42, control out the rotating speed of frequency converter 9, keep the outlet valve constant pressure; When user's water changes, change water supply flow with the rotating speed that changes water pump 61, reach the purpose of constant voltage, very little or when not having water when water supply volume, carry out voltage stabilizing by pressurized tank 10, guarantee that water pump 61 does not start, and reaches purpose of energy saving; When municipal tap water pressure was lower than the lowest service pressure of programmable logic controller 42 settings, system quit work, and guarantees the safety of municipal tap water pipe network.
Adopt the no negative pressure equipment that the utility model provided; Detection through inlet pressure sensor 7 and 8 pairs of pressure of outlet pressure sensor; Pass through the adjusting of 4 pairs first pipelines 5 of automaton and second pipeline 6 again; Thereby guaranteed the constant of whole system pressure, can reduce influence the municipal tap water pipe network.
Embodiment 2,
As shown in Figure 2, all the other are same as the previously described embodiments, and difference is that said first pipeline 5 is one, and said second pipeline 6 is two, and the water pump in said two second pipelines 6 is electrically connected with said frequency converter 9 respectively.
In the present technique scheme; Can control the quantity of the water pump 61 of startup according to intake pressure through programmable logic controller 42, a plurality of water pumps 61 are stopped simultaneously or move, perhaps also can regulate the flow of a plurality of water pumps 61; Thereby reach the purpose of constant voltage, it is not exerted an influence to the municipal tap water.
In addition, the number of first pipeline 5 and second pipeline 6 can also be other, and concrete embodiment is determined on a case-by-case basis, and at this, the utility model is not done any qualification, is main can realize the utility model.
Pass through technique scheme; The beneficial effect of the utility model technical scheme is: a kind of no negative pressure equipment; Be installed in the pipe network of municipal tap water, comprise current stabilization jar 1, inlet pipeline 2, outlet pipeline 3 and automaton 4, between said inlet pipeline 2 and said outlet pipeline 3, be provided with first pipeline 5 and second pipeline 6; Water inlet at said current stabilization jar 1 is provided with inlet pressure sensor 7, and outlet pipeline 3 is provided with outlet pressure sensor 8; Said inlet pressure sensor 7 all is electrically connected with said automaton 4 with said outlet pressure sensor 8; Be provided with frequency converter 9 between said automaton 4 and said second pipeline 6; Said first pipeline 5 is at least one, and said second pipeline 6 is at least one; Adopt the no negative pressure equipment that the utility model provided; Detection through inlet pressure sensor 7 and 8 pairs of pressure of outlet pressure sensor; Pass through the adjusting of 4 pairs first pipelines 5 of automaton and second pipeline 6 again; Thereby guaranteed the constant of whole system pressure, can reduce influence the municipal tap water pipe network.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. no negative pressure equipment; Be installed in the pipe network of municipal tap water; It is characterized in that, comprise current stabilization jar, inlet pipeline, outlet pipeline and automaton, between said inlet pipeline and said outlet pipeline, be provided with first pipeline and second pipeline; Water inlet at said current stabilization jar is provided with inlet pressure sensor, and outlet pipeline is provided with outlet pressure sensor;
Said inlet pressure sensor and said outlet pressure sensor all are electrically connected with said automaton;
Be provided with frequency converter between said automaton and said second pipeline;
Said first pipeline is at least one;
Said second pipeline is at least one.
2. no negative pressure equipment according to claim 1 is characterized in that, said first pipeline comprises first flap valve and first valve, and said first flap valve and said first valve are connected between said inlet pipeline and the said outlet pipeline successively.
3. no negative pressure equipment according to claim 2 is characterized in that, said second pipeline comprises water pump, is provided with second valve in the front and back end of said water pump, between said water pump and said second valve near outlet pipeline, is provided with second flap valve.
4. no negative pressure equipment according to claim 3 is characterized in that, said frequency converter is electrically connected with said water pump.
5. according to each described no negative pressure equipment of claim 1-4, it is characterized in that said automaton comprises analog quantity acquiring device and the programmable logic controller that is used for acquired signal.
6. no negative pressure equipment according to claim 5 is characterized in that, is provided with the pressurized tank that is used to keep the delivery port pressure stability at the delivery port of said outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220135739XU CN202544031U (en) | 2012-03-31 | 2012-03-31 | Negative-pressure-free apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220135739XU CN202544031U (en) | 2012-03-31 | 2012-03-31 | Negative-pressure-free apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202544031U true CN202544031U (en) | 2012-11-21 |
Family
ID=47164685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220135739XU Expired - Fee Related CN202544031U (en) | 2012-03-31 | 2012-03-31 | Negative-pressure-free apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202544031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909504A (en) * | 2016-06-13 | 2016-08-31 | 池泉 | Water pump control system |
-
2012
- 2012-03-31 CN CN201220135739XU patent/CN202544031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909504A (en) * | 2016-06-13 | 2016-08-31 | 池泉 | Water pump control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201605626U (en) | Constant pressure frequency conversion water supply equipment | |
| CN204715464U (en) | Intelligent constant-voltage water management system | |
| CN202544031U (en) | Negative-pressure-free apparatus | |
| CN103334472A (en) | Non-negative pressure variable frequency water supply equipment | |
| CN206956854U (en) | A kind of totally-enclosed variable frequency non-negative pressure water | |
| CN203498909U (en) | Water supplying system with water-pressure balance adjuster | |
| CN204023698U (en) | A kind of secondary water-supply steady flow compensation system | |
| CN203730188U (en) | Fuel supply device of engine | |
| CN102518176A (en) | Three-tank pressure-stabilizing compensation negative-pressure-free water supply equipment | |
| CN207331862U (en) | A kind of combination compression system of water system | |
| CN202248085U (en) | Intelligent efficient energy-saving water supply system | |
| CN102704548A (en) | Variable frequency water supply facility for high-rise buildings | |
| CN205530482U (en) | Variable frequency speed governing(VFSG) constant voltage water supply system | |
| CN205205908U (en) | Variable -frequency and constant -pressure water supply system | |
| CN204984900U (en) | Screw compressor frequency conversion control system | |
| CN202767180U (en) | High-rise frequency-conversion water supply device | |
| CN203878005U (en) | Power plant makeup water treatment system based on a whole membrane method | |
| CN205776545U (en) | A kind of many pump frequency conversions control system controlled based on motor | |
| CN203285707U (en) | Device used for seal switching among multiple draught fans in induced draught system | |
| CN203475524U (en) | Water supply supercharging device | |
| CN207063040U (en) | A kind of intelligent frequency-conversion formula non-negative pressure water-supply installation | |
| CN201513358U (en) | High-speed centrifugal pump flow regulation and pump-automatic switching system | |
| CN204803959U (en) | No negative pressure variable frequency water supply device | |
| CN203174677U (en) | Novel water supply device with water quality improving module | |
| CN202595802U (en) | Water supply system |
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: 20121121 Termination date: 20210331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |