CN201180660Y - Frequency conversion oil-submersible pump - Google Patents
Frequency conversion oil-submersible pump Download PDFInfo
- Publication number
- CN201180660Y CN201180660Y CNU2008200740345U CN200820074034U CN201180660Y CN 201180660 Y CN201180660 Y CN 201180660Y CN U2008200740345 U CNU2008200740345 U CN U2008200740345U CN 200820074034 U CN200820074034 U CN 200820074034U CN 201180660 Y CN201180660 Y CN 201180660Y
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- frequency
- oil gun
- submerged pump
- 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
Images
Abstract
The utility model provides a frequency-conversion oil submerged pump which structurally includes an oil submerged pump composed of a pump body, a pump head and a connecting pipe, and a frequency converter control circuit connected with the oil submerged pump. The frequency converter control circuit is as follows: the power input end of a frequency converter is connected with an alternating current power; the signal input end of the frequency converter is connected with the output end of an oil gun switch group; the power output end of the frequency converter is connected with a motor of the oil submerged pump; the oil gun switch group is arranged on an oiling machine; the oil gun switch group is provided with a plurality of oil gun switches, the input ends of the oil gun switches are respectively connected with the corresponding oil guns, and the output ends of the oil gun switches are respectively connected with the signal input end of the frequency converter. The frequency-conversion oil submerged pump has the advantages that the frequency-conversion oil submerged pump can utilize the frequency converter to adjust the working state of the motor of the oil submerged pump, adjust the rotational speed, the flow capacity, the pressure (pump lift) and the shaft power of the oil submerged pump according to the practical working state of the oiling machine, enable the oil submerged pump to carry out the corresponding adjustment according to the practical working state, and achieve the effects of electric energy conservation and safe operation.
Description
Technical field
The utility model relates to fixing oil storage tank (jar) or the fixing oil-immersed pump in oilling machine or refuelling truck, carried of the oil product in the oil basin, particularly be a kind of frequency conversion oil-immersed pump of regulating oil-immersed pump motor speed, flow, pressure.
Background technique
The self-priming pump that uses of oilling machine fuel transfer system is ZL200520027435.1 by the patent No. in the market, and the patented technology that name is called oil-immersed pump has substituted.The structure of this oil-immersed pump mainly comprises: the pump housing, pump head and connecting pipeline are formed; The described pump housing is made up of oil-immersed pump motor and centrifugal pump, and the pump housing is inserted in the oil tank; Pump head is positioned at the oil tank outside, and pump head links to each other with the pump housing in the oil tank by connecting pipeline and flange; Pump head is provided with oil outlet tube, and oil outlet tube connects many nozzles.Above-mentioned oil-immersed pump patented technology major advantage is can be with 4-8 bar nozzle to work simultaneously in a cover fuel transfer system.
But in actual use, there is following defective in above-mentioned oil-immersed pump patent: the volume read-out of each period of gas station is also unbalanced, and the nozzle that has 6 oil products of the same race peak period refuels simultaneously, and perhaps low-valley interval has only 1-2 bar nozzle to refuel.When the low-valley interval gas station has only the work of 1-2 bar nozzle, the outlet pressure of oil-immersed pump (for example: 0.29MPa) (for example: 0.18MPa) be far longer than actual needed pressure, this not only wastes energy, also cause the force value of nozzle outlet pressure, have potential safety hazard simultaneously considerably beyond national Specification.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, provide a kind of when the gas station when low-valley interval has the work of very few number nozzle, utilize frequency variator to adjust oil-immersed pump motor speed, flow, pressure (lift) and air horsepower, thereby reach energy-conservation, safe a kind of frequency conversion oil-immersed pump according to corresponding ratio.
The technological scheme that solves the problems of the technologies described above is: a kind of frequency conversion oil-immersed pump, and this a kind of frequency conversion oil-immersed pump comprises the oil-immersed pump of being made up of the pump housing, pump head and connecting tube, also comprises the transducer control circuit that is connected with oil-immersed pump; Described transducer control circuit is: the power input of frequency variator connects ac power supply; The signal input part of frequency variator connects the output terminal of oil gun switching group; The power output end of frequency variator connects the oil-immersed pump motor; Described oil gun switching group is arranged on the oilling machine, and the oil gun switching group is provided with a plurality of oil gun switches, and the input end of a plurality of oil gun switches connects corresponding nozzle respectively, and the output terminal of a plurality of oil gun switches connects the signal input part of frequency variator respectively.
The beneficial effects of the utility model are: the utility model can utilize frequency variator to regulate the oil-immersed pump electric machine operation state, regulate rotating speed, flow, pressure (lift) and the air horsepower of oil-immersed pump according to the actual working state of oilling machine, make oil-immersed pump make corresponding adjustment according to actual working state, saving power can be realized, the effect of security of operation can be reached again.
Description of drawings
Fig. 1 is the utility model external form linkage structure schematic representation;
Fig. 2 is that the utility model circuit connects block diagram.
" main sequence number explanation in the accompanying drawing "
1: oil tank 2: oil-immersed pump motor 3: flange 4: oil outlet tube
5: pump head 6: the oil gun switching group
6-1～6-8: a plurality of oil gun switches (the 1st to the 8th oil gun switch) 7: ac power supply
8: frequency variator 10: the pump housing 11: connecting tube 20: oil-immersed pump
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is the utility model external form linkage structure schematic representation.
As shown in Figure 1, the utility model provides a kind of frequency conversion oil-immersed pump, described a kind of frequency conversion oil-immersed pump comprises the oil-immersed pump of being made up of the pump housing 10, pump head 5 and connecting tube 11 20, the structure of this oil-immersed pump 20 is ZL200520027435.1 in the patent No., name is called in the oil-immersed pump patent document and discloses, that is, the described pump housing 10 is made up of oil-immersed pump motor 2 and centrifugal pump (figure does not show), and the pump housing 10 is inserted in the oil tank 1; Pump head 5 is positioned at oil tank 1 outside, and pump head 5 links to each other with the pump housing 10 in the oil tank 1 by connecting tube 11 and flange 3; Pump head 5 is provided with and connects the oil outlet tube 4 that (figure does not show) robbed in oiling.Is that the oil-immersed pump structure of ZL200520027435.1 no longer describes in detail at this to the patent No..
Fig. 2 is that the utility model circuit connects block diagram; Fig. 3 is the utility model circuit connection diagram.
As Fig. 2, shown in Figure 3, the utility model also comprises the transducer control circuit that is connected with oil-immersed pump 20; Described transducer control circuit is: the power input of frequency variator 8 connects ac power supply 7; The signal input part of frequency variator 8 connects the output terminal of oil gun switching group 6; The power output end of frequency variator 8 connects oil-immersed pump motor 2; Described oil gun switching group 6 is arranged on the oilling machine (figure does not show), oil gun switching group 6 is provided with a plurality of oil gun switch 6-1～6-8, the input end of a plurality of oil gun switch 6-1～6-8 connects corresponding nozzle (figure does not show) respectively, and the output terminal of a plurality of oil gun switch 6-1～6-8 connects the signal input part of frequency variator 8 respectively.
The model of described frequency variator 8 is TS2900PT4.
The power interface R.S.T end of described frequency variator 8 connects the output terminal of ac power supply 7; Oil gun switching group 6 is provided with a plurality of oil gun switch 6-1～6-8, and output terminal D1～D8 of a plurality of oil gun switch 6-1～6-8 meets the switching value input end S1～S8 of frequency variator 8 respectively; The power output end U.V.W of frequency variator 8 connects the power import end of oil-immersed pump motor 2.
The common port SC of frequency variator 8 meets oil gun switching group 6 common port D0.
Below working procedure of the present utility model is described:
At first connect ac power supply 7, when mentioning every nozzle, connect oil gun switch 6-1 corresponding on the switching group 6～6-8 work respectively, a plurality of oil gun switch 6-1～6-8 output terminal D1-D8 is transferred to digital signal respectively the switching value input end S1～S8 of frequency variator 8, sequential operation through frequency variator 8 obtains best output scheme, power output end U.V.W by frequency variator 8 offers oil-immersed pump motor 2, reach automatic control oil-immersed pump motor speed, make the flow of oil-immersed pump 20, pressure (lift) and air horsepower is according to corresponding ratio adjustment, thus reach the saving power nuclear safety effect.
Claims (3)
1. frequency conversion oil-immersed pump, described a kind of frequency conversion oil-immersed pump comprises the oil-immersed pump of being made up of the pump housing, pump head and connecting tube (20), it is characterized in that, also comprises the transducer control circuit that is connected with oil-immersed pump (20); Described transducer control circuit is: the power input of frequency variator (8) connects ac power supply (7); The signal input part of frequency variator (8) connects the output terminal of oil gun switching group (6); The power output end of frequency variator (8) connects oil-immersed pump motor (2); Described oil gun switching group (6) is arranged on the oilling machine, oil gun switching group (6) is provided with a plurality of oil gun switches (6-1～6-8), (6-1～input end 6-8) connects the nozzle of correspondence respectively to a plurality of oil gun switches, and (6-1～output terminal 6-8) connects the signal input part of frequency variator (8) respectively to a plurality of oil gun switches.
2. according to a kind of frequency conversion oil-immersed pump described in the claim 1, it is characterized in that the model of described frequency variator (8) is TS2900PT4.
3. according to a kind of frequency conversion oil-immersed pump described in claim 1 or 2, it is characterized in that the power interface R.S.T end of described frequency variator (8) connects the output terminal of ac power supply (7); Oil gun switching group (6) be provided with a plurality of oil gun switches (6-1～6-8), (6-1～output terminal D1～D8 6-8) meets the switching value input end (S1～S8) of frequency variator (8) respectively to a plurality of oil gun switches; The power output end U.V.W of frequency variator (8) connects the power import end of oil-immersed pump motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200740345U CN201180660Y (en) | 2008-03-10 | 2008-03-10 | Frequency conversion oil-submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200740345U CN201180660Y (en) | 2008-03-10 | 2008-03-10 | Frequency conversion oil-submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201180660Y true CN201180660Y (en) | 2009-01-14 |
Family
ID=40250160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200740345U Expired - Fee Related CN201180660Y (en) | 2008-03-10 | 2008-03-10 | Frequency conversion oil-submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201180660Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336385A (en) * | 2011-06-30 | 2012-02-01 | 华南理工大学 | Submersible pump type oiling machine variable-frequency hydraulic control system and control method of the same |
| CN102424352A (en) * | 2011-08-17 | 2012-04-25 | 华南理工大学 | Self-sealing variable-frequency oil gun and control method thereof |
| CN104811108A (en) * | 2015-03-17 | 2015-07-29 | 江阴市富仁高科股份有限公司 | Control circuit used for energy-saving type oiling machine |
-
2008
- 2008-03-10 CN CNU2008200740345U patent/CN201180660Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336385A (en) * | 2011-06-30 | 2012-02-01 | 华南理工大学 | Submersible pump type oiling machine variable-frequency hydraulic control system and control method of the same |
| CN102424352A (en) * | 2011-08-17 | 2012-04-25 | 华南理工大学 | Self-sealing variable-frequency oil gun and control method thereof |
| CN102424352B (en) * | 2011-08-17 | 2013-07-03 | 华南理工大学 | Self-sealing variable-frequency oil gun and control method thereof |
| CN104811108A (en) * | 2015-03-17 | 2015-07-29 | 江阴市富仁高科股份有限公司 | Control circuit used for energy-saving type oiling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104074239A (en) | Full-automatic variable-frequency constant-pressure water supply system and control method thereof | |
| CN102865232A (en) | Energy saving system of electrically driven feed pump of power frequency-variable frequency switching type liquid coupling | |
| CN201180660Y (en) | Frequency conversion oil-submersible pump | |
| CN201180659Y (en) | Frequency conversion oil-submersible pump | |
| CN206360012U (en) | Intelligent water supply system based on low-capacity pump | |
| CN201583556U (en) | Closed constant flow water supply circulating cooling system with adjustable flow | |
| CN101775827A (en) | Automatic constant-pressure variable boosting water feeder | |
| CN102383462A (en) | Frequency conversion constant-pressure water supply system | |
| CN202991531U (en) | Power frequency conversion switchover type fluid coupling electrically driven feed pump energy-saving system | |
| CN202811282U (en) | Heat recovery hot water conveying control system for circulating air compressor | |
| CN202803027U (en) | Energy-saving dust remover | |
| CN205636917U (en) | Intelligent water supply control system | |
| CN210622951U (en) | Fuel oil circulating device for high-power diesel generating set | |
| CN102410281B (en) | Hydraulic relay wheel | |
| CN105464920A (en) | Automatic control and energy saving water pump set | |
| CN202132316U (en) | Hydraulic pump station | |
| CN206054271U (en) | Emulsion pump constant-pressure control device | |
| CN209406952U (en) | A kind of fixed cold water high pressure centralization flusher of more pump groups | |
| CN204003314U (en) | Auto-control energy-saving water pump group | |
| CN216920517U (en) | Numerical control constant voltage integration water supply equipment | |
| CN216948520U (en) | Pump divides building to concatenate stationary flow compensation tank water supply system in pipe | |
| CN210562428U (en) | Variable-frequency constant-pressure water supply equipment based on unfavorable points | |
| CN220814084U (en) | Small-sized pressurizing water supply equipment | |
| CN203160316U (en) | Water supply system based on programmable logic controller | |
| CN202338528U (en) | Liquid turbine |
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: 20090114 Termination date: 20140310 |