CN101818513A - Novel non-negative pressure water supply equipment - Google Patents
Novel non-negative pressure water supply equipment Download PDFInfo
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- CN101818513A CN101818513A CN201010146966A CN201010146966A CN101818513A CN 101818513 A CN101818513 A CN 101818513A CN 201010146966 A CN201010146966 A CN 201010146966A CN 201010146966 A CN201010146966 A CN 201010146966A CN 101818513 A CN101818513 A CN 101818513A
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- tank body
- radio frequency
- variable frequency
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- pump
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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 invention discloses novel non-negative pressure water supply equipment. The water supply equipment comprises a tank body, a water pump and an electric cabinet, wherein a radio frequency capacitance level meter is arranged above the tank body, and a probe of the radio frequency capacitance level meter extends into the tank body; a water outlet pipe is arranged below the tank body; and the water outlet pipe is connected with the water pump and then connected with a customer pipe network. The water pump is a variable frequency water pump, and a pipeline connecting the variable frequency water pump and the customer pipe network is provided with a pressure sensor. The radio frequency capacitance level meter, the frequency converter pump and the pressure sensor are connected with the electric cabinet respectively, and the electric cabinet controls the rotation speed of the variable frequency water pump according to electric signals received from the radio frequency capacitance lever meter and the pressure sensor. The control process of the water supply equipment over the frequency converter pump can ensure that the working state of the variable frequency water pump is fit with the actually required water supply amount, so power is saved to a maximum degree and the condition of a negative pressure applied on the civil pipe network can be effectively eradicated.
Description
Technical field
The present invention relates to a kind of supply equipment, be specifically related to a kind of non-negative pressure water-supply installation.
Background technology
In cities and towns building water supply system, generally adopt reservoir or storage tank water storage, it is bulky, and cost is higher, and causes secondary water to pollute easily.Progress along with sociometric technique, a kind of non-negative pressure water-supply installation has appearred in the automatic water supply device field, this equipment directly is the water source with the city planting ductwork, form airtight relay pressurizing way of supplying water continuously, the water quality standard of having avoided the traditional secondary supercharging water supply system to cause reduces and various pollution of waterhead problem.
At present, the non-negative pressure water-supply installation of selling and using on the market, its water pump is always by a certain rotating speed continuous firing, though can guarantee user's lasting water requirements, but working long hours, water pump wastes electric energy on the one hand, probably city planting ductwork is produced negative pressure when water supply volume is big on the other hand, user's water around the influence.
Summary of the invention
The object of the present invention is to provide a kind of novel non-negative pressure water supply equipment, this supply equipment has simple in structure, the advantage of energy conservation.
The present invention for achieving the above object, the technical solution of employing is:
A kind of novel non-negative pressure water supply equipment comprises tank body, water pump and electrical control cubicles; The tank body top is provided with the radio frequency electrical capacitance levelmeter, and its feeler lever stretches in the tank body, and the tank body below sets out water pipe, and outlet pipe connects user's pipe network after connecting water pump; Described water pump is a variable frequency pump, and variable frequency pump is provided with pressure sensor with the pipeline that user's pipe network is connected; Radio frequency electrical capacitance levelmeter, variable frequency pump, pressure sensor are connected with electrical control cubicles respectively; Electrical control cubicles is controlled the rotating speed of variable frequency pump according to the signal of telecommunication that receives radio frequency electrical capacitance levelmeter and pressure sensor.
Above-mentioned radio frequency electrical capacitance levelmeter sends to when being the full-water level signal of telecommunication in the electrical control cubicles tank body, and electrical control cubicles is only controlled the rotating speed of variable frequency pump according to the signal of telecommunication of pressure sensor, and the value of electrical signals of pressure sensor is big more, and the rotating speed of variable frequency pump is fast more; The radio frequency electrical capacitance levelmeter sends in the electrical control cubicles tank body when being the non-full-water level signal of telecommunication, and only according to the rotating speed of the signal of telecommunication control variable frequency pump of radio frequency electrical capacitance levelmeter, the value of electrical signals of radio frequency electrical capacitance levelmeter is more little for electrical control cubicles, and the rotating speed of variable frequency pump is slow more; The value of electrical signals of radio frequency electrical capacitance levelmeter and the value of electrical signals of pressure sensor, a tachometer value of corresponding variable frequency pump respectively.
Above-mentioned tank body top is connected with water inlet pipe, the mouth of pipe of water inlet pipe is that an inclined plane is stretched in the jar, its mouth of pipe is positioned under half degree of depth of tank body, the inside of tank body is provided with stepped flap flow-guiding structure between the feeler lever of water inlet pipe and radio frequency electrical capacitance levelmeter, the flap flow-guiding structure comprises two transverse slats and a slice riser, have two through holes on the riser, hole size is identical, and be symmetrically distributed on the riser about the vertical plane that passes the tank body axis, transverse slat is that the right angle is connected with riser, the transverse slat of top is positioned at the position of half degree of depth of tank body, the area sum of two through holes is 1/2 to 2/3 of water inlet pipe cross sectional areas on the riser, it is lower than the feeler lever bottom of radio frequency electrical capacitance levelmeter that the transverse slat of below is positioned at the position of tank body, and the left and right end portions of transverse slat and riser and the inner surface of tank body join.
Above-mentioned radio frequency electrical capacitance levelmeter adopts e sign indicating number radio frequency level meter.
Above-mentioned outlet pipe has two, and one is primary flow pipe, and another is auxilliary outlet pipe, all is connected with variable frequency pump on two outlet pipes.
Beneficial effect of the present invention:
1, electrical control cubicles is according to the signal of telecommunication that receives radio frequency electrical capacitance levelmeter and pressure sensor, the rotating speed of control variable frequency pump, in tank body during full-water level, electrical control cubicles is only according to the signal of telecommunication of pressure sensor, the continuous speed change of control variable frequency pump, the value of electrical signals of concrete is pressure sensor is big more, the rotating speed of variable frequency pump is fast more, maximum capacity satisfy user's water, when user's water supply volume reduces, the signal of telecommunication that pressure sensor sends to electrical control cubicles diminishes, and the variable frequency pump rotating speed reduces.This control procedure can guarantee that the duty of variable frequency pump is suitable with actual required output, farthest saves energy.
2, in tank body during non-full-water level, electrical control cubicles is only according to the rotating speed of the signal of telecommunication control variable frequency pump of radio frequency electrical capacitance levelmeter, and the value of electrical signals of concrete is radio frequency electrical capacitance levelmeter is more little, and the rotating speed of variable frequency pump is slow more.This kind situation occurring is that user's water supply volume is bigger, and descending appears in water level in the tank body, if still supply water for the user according to former flow, situation unable to make ends meet will appear in tank body under this kind situation, and city planting ductwork is produced negative pressure, user's water around the influence.Therefore, the present invention in time reduces the rotating speed of variable frequency pump under this situation, temporarily reduces the flow of user's water, supplies water by user institute water requirement when treating the tank body full-water level again, and this control procedure is effectively stopped or reduced the influence that city planting ductwork is produced negative pressure.
3, select e sign indicating number radio frequency level meter for use, range reaches 600 millimeters, and liquid level has increased digital processing technology on analog signal, make liquid level become digital line traffic control by a control.
4, tank interior is provided with stepped flap flow-guiding structure, can eliminate the shock wave that the tap water pipe network comes water, realizes the purpose of balance stable-flow.And then make the feeler lever monitoring result of radio frequency electrical capacitance levelmeter more accurate, improved equipment reliability of operation and stability.
5, this supply equipment is furnished with two outlet pipes, and only primary flow pipe and variable frequency pump work thereof under most operating modes only when user's water supply volume is very big, starts auxilliary outlet pipe and variable frequency pump thereof, in time satisfies user's water demand.
Description of drawings
Fig. 1 is each parts connection diagram of novel non-negative pressure water supply equipment;
Fig. 2 is the structural representation of tank body;
Fig. 3 is an A-A sectional view among Fig. 2;
Fig. 4 is the schematic diagram of flap flow-guiding structure.
The specific embodiment
The present invention is described in detail in conjunction with Fig. 1 to Fig. 4:
A kind of novel non-negative pressure water supply equipment comprises tank body 1, water pump 7 and electrical control cubicles 8, and tank body 1 top is provided with radio frequency electrical capacitance levelmeter 3, and its feeler lever 301 stretches in the tank body 1, and tank body 1 below sets out water pipe 4, and outlet pipe 4 connects water pump 7 backs and connects user's pipe network 9.Described water pump 7 is a variable frequency pump, and the pipeline that variable frequency pump 7 is connected with user's pipe network 9 is provided with pressure sensor 10.Radio frequency electrical capacitance levelmeter 3, variable frequency pump 7, pressure sensor 10 are connected with electrical control cubicles 8 respectively, and electrical control cubicles 8 is controlled the rotating speed of variable frequency pump 7 according to the signal of telecommunication that receives radio frequency electrical capacitance levelmeter 3 and pressure sensor 10.
Concrete is that radio frequency electrical capacitance levelmeter 3 sends to when being the full-water level signal of telecommunication in electrical control cubicles 8 tank bodies 1,8 rotating speeds of electrical control cubicles according to the signal of telecommunication control variable frequency pump 7 of pressure sensor 10, the value of electrical signals of pressure sensor 10 is big more, and the rotating speed of variable frequency pump 7 is fast more.Radio frequency electrical capacitance levelmeter 3 sends in electrical control cubicles 8 tank bodies 1 when being the non-full-water level signal of telecommunication, 8 rotating speeds of electrical control cubicles according to the signal of telecommunication control variable frequency pump 7 of radio frequency electrical capacitance levelmeter 3, the value of electrical signals of radio frequency electrical capacitance levelmeter 3 is more little, and the rotating speed of variable frequency pump 7 is slow more.The value of electrical signals of the value of electrical signals of radio frequency electrical capacitance levelmeter 3 and pressure sensor 10, a tachometer value of corresponding variable frequency pump 7 respectively.
Above-mentioned tank body 1 top is connected with water inlet pipe 2, the mouth of pipe 201 of water inlet pipe 2 is that an inclined plane is stretched in the jar, its mouth of pipe 201 is positioned under tank body 1 half degree of depth, and the inside of tank body 1 is provided with stepped flap flow-guiding structure between the feeler lever 301 of water inlet pipe 2 and radio frequency electrical capacitance levelmeter 3.The flap flow-guiding structure comprises two transverse slats 601,602 and a slice riser 603, has two through holes 604 on the riser 603, and through hole 604 sizes are identical, and is symmetrically distributed on the riser 603 about the vertical plane that passes tank body 1 axis.Transverse slat 601,602 is connected for the right angle with riser 603, the transverse slat position 601 of top is in the position of half degree of depth of tank body, the area sum of two through holes 604 is 1/2 or 2/3 of water inlet pipe 2 cross sectional areas on the riser 603, it is lower than feeler lever 301 bottoms of radio frequency electrical capacitance levelmeter 3 that the transverse slat 602 of below is positioned at the position of tank body, and the left and right end portions of transverse slat 601,602 and riser 603 and the inner surface of tank body 1 join.Outlet pipe has two, and one is primary flow pipe, and another is auxilliary outlet pipe, all is connected with variable frequency pump 7 on two outlet pipes.
In the use, electrical control cubicles is controlled the rotating speed of variable frequency pump according to the signal of telecommunication that receives radio frequency electrical capacitance levelmeter and pressure sensor.
When in tank body, being full-water level, electrical control cubicles a signal of telecommunication according to pressure sensor, the continuous speed change of control variable frequency pump, the value of electrical signals of concrete is pressure sensor is big more, the rotating speed of variable frequency pump is fast more, maximum capacity satisfy user's water, when user's water supply volume reduces, the signal of telecommunication that pressure sensor sends to electrical control cubicles diminishes, and the variable frequency pump rotating speed reduces.This control procedure can guarantee that the duty of variable frequency pump is suitable with actual required output, farthest saves energy.
When being not full-water level in tank body, electrical control cubicles is only according to the rotating speed of the signal of telecommunication control variable frequency pump of radio frequency electrical capacitance levelmeter, and the value of electrical signals of concrete is radio frequency electrical capacitance levelmeter is more little, and the rotating speed of variable frequency pump is slow more.This kind situation occurring is that user's water supply volume is bigger, and descending appears in water level in the tank body, if still supply water for the user according to former flow, situation unable to make ends meet will appear in tank body under this kind situation, and city planting ductwork is produced negative pressure, user's water around the influence.Therefore, the present invention in time reduces the rotating speed of variable frequency pump under this situation, temporarily reduces the flow of user's water, supplies water by user institute water requirement when treating the tank body full-water level again, and this control procedure is effectively stopped or reduced the influence that city planting ductwork is produced negative pressure.
This supply equipment is furnished with two outlet pipes, and only primary flow pipe and variable frequency pump work thereof under most operating modes only when user's water supply volume is very big, starts auxilliary outlet pipe and variable frequency pump thereof, in time satisfies user's water demand.
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (5)
1. a novel non-negative pressure water supply equipment comprises tank body, water pump and electrical control cubicles; It is characterized in that: described tank body top is provided with the radio frequency electrical capacitance levelmeter, and its feeler lever stretches in the tank body, and the tank body below sets out water pipe, and outlet pipe connects user's pipe network after connecting water pump; Described water pump is a variable frequency pump, and variable frequency pump is provided with pressure sensor with the pipeline that user's pipe network is connected; Radio frequency electrical capacitance levelmeter, variable frequency pump, pressure sensor are connected with electrical control cubicles respectively; Electrical control cubicles is controlled the rotating speed of variable frequency pump according to the signal of telecommunication that receives radio frequency electrical capacitance levelmeter and pressure sensor.
2. a kind of novel non-negative pressure water supply equipment according to claim 1, it is characterized in that: described radio frequency electrical capacitance levelmeter sends to when being the full-water level signal of telecommunication in the electrical control cubicles tank body, electrical control cubicles is only controlled the rotating speed of variable frequency pump according to the signal of telecommunication of pressure sensor, the value of electrical signals of pressure sensor is big more, and the rotating speed of variable frequency pump is fast more; The radio frequency electrical capacitance levelmeter sends in the electrical control cubicles tank body when being the non-full-water level signal of telecommunication, and only according to the rotating speed of the signal of telecommunication control variable frequency pump of radio frequency electrical capacitance levelmeter, the value of electrical signals of radio frequency electrical capacitance levelmeter is more little for electrical control cubicles, and the rotating speed of variable frequency pump is slow more; The value of electrical signals of radio frequency electrical capacitance levelmeter and the value of electrical signals of pressure sensor, a tachometer value of corresponding variable frequency pump respectively.
3. a kind of novel non-negative pressure water supply equipment according to claim 1 and 2, it is characterized in that: described tank body top is connected with water inlet pipe, the mouth of pipe of water inlet pipe is that an inclined plane is stretched in the jar, its mouth of pipe is positioned under half degree of depth of tank body, the inside of tank body is provided with stepped flap flow-guiding structure between the feeler lever of water inlet pipe and radio frequency electrical capacitance levelmeter, the flap flow-guiding structure comprises two transverse slats and a slice riser, have two through holes on the riser, hole size is identical, and be symmetrically distributed on the riser about the vertical plane that passes the tank body axis, transverse slat is that the right angle is connected with riser, the transverse slat of top is positioned at the position of half degree of depth of tank body, the area sum of two through holes is 1/2 to 2/3 of water inlet pipe cross sectional areas on the riser, it is lower than the feeler lever bottom of radio frequency electrical capacitance levelmeter that the transverse slat of below is positioned at the position of tank body, and the left and right end portions of transverse slat and riser and the inner surface of tank body join.
4. a kind of novel non-negative pressure water supply equipment according to claim 3 is characterized in that: described radio frequency electrical capacitance levelmeter adopts e sign indicating number radio frequency level meter.
5. a kind of novel non-negative pressure water supply equipment according to claim 4 is characterized in that: described outlet pipe has two, and one is primary flow pipe, and another is auxilliary outlet pipe, all is connected with variable frequency pump on two outlet pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101469668A CN101818513B (en) | 2010-04-15 | 2010-04-15 | Novel non-negative pressure water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101469668A CN101818513B (en) | 2010-04-15 | 2010-04-15 | Novel non-negative pressure water supply equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101818513A true CN101818513A (en) | 2010-09-01 |
| CN101818513B CN101818513B (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101469668A Expired - Fee Related CN101818513B (en) | 2010-04-15 | 2010-04-15 | Novel non-negative pressure water supply equipment |
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| Country | Link |
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| CN (1) | CN101818513B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345308A (en) * | 2011-07-21 | 2012-02-08 | 青岛沈源水务科技有限公司 | Constant-pressure variable integrated no-negative-pressure water supply equipment |
| CN102979138A (en) * | 2012-12-20 | 2013-03-20 | 山东鲁润热能科技有限公司 | Intelligent water supply equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546510Y (en) * | 2002-05-16 | 2003-04-23 | 徐秋桃 | Clear and energy-saving full-automatic water supply device |
| CN2797457Y (en) * | 2005-01-17 | 2006-07-19 | 奚德俊 | Pressurizing water supply equipment for end of running water pipe network |
| DE202008002822U1 (en) * | 2008-02-28 | 2009-07-09 | Gebr.Kemper Gmbh + Co.Kg Metallwerke | Drinking and service water supply device of a building and control device for such |
| CN201322636Y (en) * | 2008-12-11 | 2009-10-07 | 江苏杰创科技有限公司 | Hanging-proof material level meter |
-
2010
- 2010-04-15 CN CN2010101469668A patent/CN101818513B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546510Y (en) * | 2002-05-16 | 2003-04-23 | 徐秋桃 | Clear and energy-saving full-automatic water supply device |
| CN2797457Y (en) * | 2005-01-17 | 2006-07-19 | 奚德俊 | Pressurizing water supply equipment for end of running water pipe network |
| DE202008002822U1 (en) * | 2008-02-28 | 2009-07-09 | Gebr.Kemper Gmbh + Co.Kg Metallwerke | Drinking and service water supply device of a building and control device for such |
| CN201322636Y (en) * | 2008-12-11 | 2009-10-07 | 江苏杰创科技有限公司 | Hanging-proof material level meter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345308A (en) * | 2011-07-21 | 2012-02-08 | 青岛沈源水务科技有限公司 | Constant-pressure variable integrated no-negative-pressure water supply equipment |
| CN102345308B (en) * | 2011-07-21 | 2013-01-16 | 青岛沈源水务科技有限公司 | Constant-pressure variable integrated no-negative-pressure water supply equipment |
| CN102979138A (en) * | 2012-12-20 | 2013-03-20 | 山东鲁润热能科技有限公司 | Intelligent water supply equipment |
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| Publication number | Publication date |
|---|---|
| CN101818513B (en) | 2012-05-09 |
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Granted publication date: 20120509 Termination date: 20130415 |