CN104612949A - Energy-saving type water pump controlled in variable-frequency mode - Google Patents
Energy-saving type water pump controlled in variable-frequency mode Download PDFInfo
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- CN104612949A CN104612949A CN201410692375.9A CN201410692375A CN104612949A CN 104612949 A CN104612949 A CN 104612949A CN 201410692375 A CN201410692375 A CN 201410692375A CN 104612949 A CN104612949 A CN 104612949A
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Abstract
An energy-saving type water pump controlled in a variable-frequency mode comprises a pump body and a motor connected with the pump body. A box body is installed on a shell of the pump body. A frequency converter is arranged in the box body and connected with the motor. External voltage enters the motor through the frequency converter and is regulated through the frequency converter, and therefore the work current of the motor is changed to adapt to the changes of the external voltage. The frequency converter is electrically connected with the motor through a high-frequency cable. The high-frequency cable comprises a wrapping insulating layer and an inner conductor located in the wrapping insulating layer. The energy-saving type water pump is simple and reasonable in structural design, the variable-frequency control technology is adopted, the energy-saving type water pump is suitable for voltage-unstable working environments in rural areas, the motor can be effectively protected, and the service life of the water pump is prolonged.
Description
Technical field
The invention belongs to pump technology field, particularly relate to the energy-saving water pump adopting VFC.
Background technique
Water is the root of human survival, and water is the lifeblood of agricultural.China be people many, less, the country of lack of water, frequent natural calamity.Agricultural irrigation water accounts for more than 80% of national water total amount, and water resources in china total amount accounts for 7% of global total amount, and water resources is 1/4th of world's per capita share per capita, and united state is classified as one of 13 lack of water countries.China with in the world 7% water maintain production and the life of 22% population.In 517 cities, the whole nation, there is more than 300 urban water shortage, China is again a large agricultural country, agricultural uses water rich and influential family, annual agricultural irrigation water amount about 3500 billion cubic meter, because water resources is not enough, the annual area suffered from drought of China's agricultural reaches 2-3 hundred million mu, grain reduces about 2.5 hundred million kilograms, and industrial output value reduces 1,200 hundred million yuan.Along with China's economy develops rapidly, water resources problems is day by day serious.
Jet pump utilizes the transformation of fluid flow energy to reach the object of conveying, utilizes it to carry liquid, also can carry gas.According to working fluid used, be generally divided into vapor pump and water jet pump two class, jet pump simple structure, easy to use.Water jet pump is divided into again Ordinary Centrifugal Pumps and self-suction injection pump, Ordinary Centrifugal Pumps, if suck liquid level under impeller, should pour water in advance during startup, very inconvenient.In order to water in pump, suction pipe import needs to fill bottom valve, and during pump work, bottom valve causes very large hydraulic loss.Self-suction injection pump is exactly do not need before activation to pour water, and through short-time running, by the effect of pump itself, namely water can be drunk up, and drops into and normally works.
Water pump of the prior art only has a kind of operating current, cannot adapt to the rural area of voltage less stable, reduces actual working efficiency.
Summary of the invention
Technical problem to be solved by this invention is that providing a kind of forms simply, the energy-saving water pump of the employing VFC that operating cost is low.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of energy-saving water pump adopting VFC, the motor comprising the pump housing and be connected with the pump housing, the shell of the described pump housing is provided with a casing, a frequency variator is provided with in described casing, described frequency variator is connected with motor, and external voltage enters motor by frequency variator, regulates external voltage by frequency variator, and then change the operating current of motor, adapt to external voltage change; Described frequency variator is by being electrically connected between high frequency cable with motor, described high frequency cable comprises coated insulation layer and is positioned at the inner wire of coated insulation layer, and described coated insulation layer is prepared to extrude by the component of following parts by weight to form: epoxy resin 100 parts, nanometer silicon carbide 5 parts, nano aluminium oxide 10 parts, 2 parts, curing agent, shrinking agent 3 parts, linear polyethylene 4 parts, nitrogen-containing organic compound 5 parts, 10 parts, glass fibre, sepiolite cashmere 5 parts, modified kaolin 2 parts, 5 parts, carbon fiber, siloxane 3 parts, emulsifier 1 part and 10 parts, amino resin;
Above-mentioned modified kaolin is made up of the component of following parts by weight: calcined kaolin 20 parts, Graphene 2 parts, silica sand 2 parts, citric acid 2 parts, fisetin 2 parts, tealeaves alkaloid 5 parts, calcium lignosulfonate 0.5 part, lignocellulosic 0.5 part, rosin soap 0.5 part; Its preparation method is as follows:
1) be dispersion medium by calcined kaolin and silica sand with anhydrous alcohol, wherein the mass ratio of material and ethanol is 1:15, ultrasonic disperse 1 hour on supersonic cleaning machine;
2) material through ultrasonic disperse is put into nylon ball grinder, adding Graphene, fisetin, calcium lignosulfonate, lignocellulosic and rosin soap again, take agate ball as abrading-ball, and ball material mass ratio is 7:1, be under the condition of 150 revs/min at rotating speed, continuous ball milling 4 hours;
3) pour in powder dish by powder complete for ball milling together with agate abrading-ball, dry at 80 DEG C, the powder of drying is sieved, take out agate abrading-ball, grind, till the larger reunion of nothing, so far, the preparation of mixed powder is complete;
4) by step 3) in mixed material mix with citric acid, tealeaves alkaloid, low-temperature bake 2-3 hour under 50-70 DEG C of environment, to moisture content lower than 20%, take out, be ground into powder.
The invention has the beneficial effects as follows: structural design advantages of simple of the present invention, adopt frequency conversion control technique, adapt to the working environment of rural area voltage instability, can available protecting motor, extend water pump and adapt to the time limit.
Accompanying drawing explanation
Fig. 1 is outline drawing of the present invention.
Embodiment:
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figure 1, a kind of energy-saving water pump adopting VFC, the motor 2 comprising the pump housing 1 and be connected with the pump housing 1, the shell of the pump housing 1 is provided with a casing 3, in casing 3, be provided with a frequency variator (not indicating in figure), frequency variator is connected with motor 2, external voltage enters motor 2 by frequency variator, regulate external voltage by frequency variator, and then change the operating current of motor 2, adapt to external voltage change; Frequency variator is by being electrically connected between high frequency cable with motor, described high frequency cable comprises coated insulation layer and is positioned at the inner wire of coated insulation layer, and described coated insulation layer is prepared to extrude by the component of following parts by weight to form: epoxy resin 100 parts, nanometer silicon carbide 5 parts, nano aluminium oxide 10 parts, 2 parts, curing agent, shrinking agent 3 parts, linear polyethylene 4 parts, nitrogen-containing organic compound 5 parts, 10 parts, glass fibre, sepiolite cashmere 5 parts, modified kaolin 2 parts, 5 parts, carbon fiber, siloxane 3 parts, emulsifier 1 part and 10 parts, amino resin;
Above-mentioned modified kaolin is made up of the component of following parts by weight: calcined kaolin 20 parts, Graphene 2 parts, silica sand 2 parts, citric acid 2 parts, fisetin 2 parts, tealeaves alkaloid 5 parts, calcium lignosulfonate 0.5 part, lignocellulosic 0.5 part, rosin soap 0.5 part; Its preparation method is as follows:
1) be dispersion medium by calcined kaolin and silica sand with anhydrous alcohol, wherein the mass ratio of material and ethanol is 1:15, ultrasonic disperse 1 hour on supersonic cleaning machine;
2) material through ultrasonic disperse is put into nylon ball grinder, adding Graphene, fisetin, calcium lignosulfonate, lignocellulosic and rosin soap again, take agate ball as abrading-ball, and ball material mass ratio is 7:1, be under the condition of 150 revs/min at rotating speed, continuous ball milling 4 hours;
3) pour in powder dish by powder complete for ball milling together with agate abrading-ball, dry at 80 DEG C, the powder of drying is sieved, take out agate abrading-ball, grind, till the larger reunion of nothing, so far, the preparation of mixed powder is complete;
4) by step 3) in mixed material mix with citric acid, tealeaves alkaloid, low-temperature bake 2-3 hour under 50-70 DEG C of environment, to moisture content lower than 20%, take out, be ground into powder.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (2)
1. one kind adopts the energy-saving water pump of VFC, the motor comprising the pump housing and be connected with the pump housing, the shell of the described pump housing is provided with a casing, a frequency variator is provided with in described casing, described frequency variator is connected with motor, and external voltage enters motor by frequency variator, regulates external voltage by frequency variator, and then change the operating current of motor, adapt to external voltage change; Described frequency variator is by being electrically connected between high frequency cable with motor, it is characterized in that, described high frequency cable comprises coated insulation layer and is positioned at the inner wire of coated insulation layer, and described coated insulation layer is prepared to extrude by the component of following parts by weight to form: epoxy resin 100 parts, nanometer silicon carbide 5 parts, nano aluminium oxide 10 parts, 2 parts, curing agent, shrinking agent 3 parts, linear polyethylene 4 parts, nitrogen-containing organic compound 5 parts, 10 parts, glass fibre, sepiolite cashmere 5 parts, modified kaolin 2 parts, 5 parts, carbon fiber, siloxane 3 parts, emulsifier 1 part and 10 parts, amino resin.
2. adopt the energy-saving water pump of VFC according to claim 1, it is characterized in that: above-mentioned modified kaolin is made up of the component of following parts by weight: calcined kaolin 20 parts, Graphene 2 parts, silica sand 2 parts, citric acid 2 parts, fisetin 2 parts, tealeaves alkaloid 5 parts, calcium lignosulfonate 0.5 part, lignocellulosic 0.5 part, rosin soap 0.5 part; Its preparation method is as follows:
1) be dispersion medium by calcined kaolin and silica sand with anhydrous alcohol, wherein the mass ratio of material and ethanol is 1:15, ultrasonic disperse 1 hour on supersonic cleaning machine;
2) material through ultrasonic disperse is put into nylon ball grinder, adding Graphene, fisetin, calcium lignosulfonate, lignocellulosic and rosin soap again, take agate ball as abrading-ball, and ball material mass ratio is 7:1, be under the condition of 150 revs/min at rotating speed, continuous ball milling 4 hours;
3) pour in powder dish by powder complete for ball milling together with agate abrading-ball, dry at 80 DEG C, the powder of drying is sieved, take out agate abrading-ball, grind, till the larger reunion of nothing, so far, the preparation of mixed powder is complete;
4) by step 3) in mixed material mix with citric acid, tealeaves alkaloid, low-temperature bake 2-3 hour under 50-70 DEG C of environment, to moisture content lower than 20%, take out, be ground into powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692375.9A CN104612949B (en) | 2014-11-25 | 2014-11-25 | Adopt the energy-saving water pump of VFC |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692375.9A CN104612949B (en) | 2014-11-25 | 2014-11-25 | Adopt the energy-saving water pump of VFC |
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| Publication Number | Publication Date |
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| CN104612949A true CN104612949A (en) | 2015-05-13 |
| CN104612949B CN104612949B (en) | 2016-05-11 |
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| CN201410692375.9A Expired - Fee Related CN104612949B (en) | 2014-11-25 | 2014-11-25 | Adopt the energy-saving water pump of VFC |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1292072A (en) * | 1998-02-09 | 2001-04-18 | 株式会社荏原制作所 | Fluid machinery |
| CN1823119A (en) * | 2003-07-14 | 2006-08-23 | 三洋化成工业株式会社 | Resin particle and its manufacturing method |
| CN101508824A (en) * | 2009-03-26 | 2009-08-19 | 大连理工大学 | Oxatyl-containing lateral group polyarylether cured modified epoxy resin composition and method for producing the same |
| US20130196104A1 (en) * | 2010-10-20 | 2013-08-01 | Toray Industries, Inc. | Method for producing thermoplastic resin composition, thermoplastic resin composition, and molded article |
| CN104061171A (en) * | 2014-06-05 | 2014-09-24 | 浙江浪神泵业科技有限公司 | Water circulating system and centrifugal water pump |
-
2014
- 2014-11-25 CN CN201410692375.9A patent/CN104612949B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1292072A (en) * | 1998-02-09 | 2001-04-18 | 株式会社荏原制作所 | Fluid machinery |
| CN1823119A (en) * | 2003-07-14 | 2006-08-23 | 三洋化成工业株式会社 | Resin particle and its manufacturing method |
| CN101508824A (en) * | 2009-03-26 | 2009-08-19 | 大连理工大学 | Oxatyl-containing lateral group polyarylether cured modified epoxy resin composition and method for producing the same |
| US20130196104A1 (en) * | 2010-10-20 | 2013-08-01 | Toray Industries, Inc. | Method for producing thermoplastic resin composition, thermoplastic resin composition, and molded article |
| CN104061171A (en) * | 2014-06-05 | 2014-09-24 | 浙江浪神泵业科技有限公司 | Water circulating system and centrifugal water pump |
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| CN104612949B (en) | 2016-05-11 |
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