CN202451411U - Constant pressure frequency conversion controller of single phase water pump - Google Patents
Constant pressure frequency conversion controller of single phase water pump Download PDFInfo
- Publication number
- CN202451411U CN202451411U CN2012200222395U CN201220022239U CN202451411U CN 202451411 U CN202451411 U CN 202451411U CN 2012200222395 U CN2012200222395 U CN 2012200222395U CN 201220022239 U CN201220022239 U CN 201220022239U CN 202451411 U CN202451411 U CN 202451411U
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- water pump
- flow passage
- main circuit
- pressure
- water
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Abstract
The utility model relates to a constant voltage pressure conversion controller of a single phase water pump. The constant pressure frequency conversion controller is characterized in that a flow passage component and a lower shell are integrated to be a whole, a pressure sensor is arranged on the lower shell and communicated with the flow passage component to obtain a pressure signal in a water supply pipeline, the pressure signal is fed back to a main circuit board, a flow sensor is arranged in the flow passage component, a flow signal is fed back to the main circuit board through magnetic induction, the main circuit board is arranged in the lower shell and above the flow passage component, one end of a water cooling radiator is connected with the main circuit board, the other end of the water cooling radiator is inserted into the flow passage component, a control panel is arranged on an upper cover of the frequency conversion controller and connected with a water pump motor through an output power line, and a filtering magnetic ring is arranged on the output power line. According to the constant voltage pressure conversion controller of the single phase water pump, automatic protection functions of common failures of the water pump can be achieved, the common failures of the water pump include rotation without water, overvoltage, undervoltage, short circuit, overcurrent and the like, the problem of water supply is solved, the installation and the usage are simple, the energy is saved , the pressure is constant, and the service life of the water pump is prolonged.
Description
Technical field
The utility model relates to a kind of frequency-variable controller, particularly relates to a kind of single-phase water pump constant pressure frequency conversion controller.
Background technique
Variable-frequency control technique is a power-saving technology that is widely used in water pump; The operation of application of frequency conversion technology control of pump; Can adjust the rotating speed of pump motor automatically according to the demand of user, thereby reach energy-conservation, pressure of supply water is constant, prolong purpose such as water pump working life water consumption.At present; The application of domestic variable-frequency control technique only concentrates on the control three-phase water pump; And system is complicated; Generally be made up of water pump, pressure instrument, frequency variator, PLC, low-voltage electrical apparatus, control cabinet, pipe-line system etc., need the installation personnel and the cost of specialty higher, application area has certain narrow limitation.Single-phase water pump is widely used in fields such as field irrigation, domestic water, circulation heating, building, industrial water because it is simple in structure, low production cost, working service are convenient.But because mostly single phase motor is Unsymmetrical Winding; Bring technical bottleneck to frequency control of motor speed; Because the research of single phase motor frequency control of motor speed is not paid attention to fully; So far domestic also do not have ripe single-phase Application of frequency conversion technique in water pump, and therefore single-phase water pump all having no operation under the state of conservation measures, produces huge inhibition to the energy-saving and emission-reduction meeting.
Summary of the invention
The utility model has overcome the defective of above-mentioned existence, and purpose provides a kind of single-phase water pump constant pressure frequency conversion controller.
The single-phase water pump constant pressure frequency conversion of the utility model controller content Description:
The single-phase water pump constant pressure frequency conversion of the utility model controller is characterized in that: be made up of input power cord, out-put supply line, filtering magnet ring, main circuit plate, frequency-variable controller loam cake, control panel, pressure transducer, water-filled radiator, flow transducer and flow passage components, flow passage components and lower shell body are integrated; Pressure transducer is arranged on the lower shell body; Communicate with flow passage components, in flow passage components, be provided with flow transducer, main circuit plate is arranged on the top of the inherent flow passage components of lower shell body; One end of water-filled radiator is connected with main circuit plate; The other end inserts in the flow passage components, and control panel is arranged on the frequency-variable controller and covers, and is provided with one 2 digital display window; Four buttons are set below digital display window; Be provided with input power cord and out-put supply line,, on the out-put supply line, be provided with the filtering magnet ring through out-put supply line water pump motor.
The single-phase water pump constant pressure frequency conversion of the utility model controller adopts the space vector of voltage pulse modulation technology right
Single phase motor carries out frequency control of motor speed; Adopt flow passage components and lower shell body is integrated and the structural design of the inner passing through type of current; Realization is to the automatic protection functions of most common failures such as the anhydrous dried commentaries on classics of water pump, overvoltage, undervoltage, short circuit, excess current; Solve water supply problem, install and use simple, energy-conservation, constant voltage, prolongation water pump working life.
Description of drawings
Fig. 1 is single-phase water pump constant pressure frequency conversion controller architecture schematic representation
Fig. 2 is single-phase water pump constant pressure frequency conversion controller architecture sectional view
Among the figure: the 1st, input power cord, the 2nd, out-put supply line, the 3rd, filtering magnet ring, the 4th, main circuit plate, the 5th, frequency-variable controller loam cake, the 6th, control panel, the 7th, pressure transducer, the 8th, water-filled radiator, the 9th, flow transducer, the 10th, flow passage components, the 11st, lower shell body, the 12nd, digital display window, the 13rd, button.
Embodiment
The single-phase water pump constant pressure frequency conversion of the utility model controller is achieved in that to do below in conjunction with accompanying drawing and specifies.
See Fig. 1, Fig. 2; The single-phase water pump constant pressure frequency conversion of the utility model controller; By: input power cord 1, out-put supply line 2, filtering magnet ring 3, main circuit plate 4, frequency-variable controller loam cake 5, control panel 6, pressure transducer 7, water-filled radiator 8, flow transducer 9 and flow passage components 10 constitute; Flow passage components 10 are integrated with lower shell body 11; Pressure transducer 7 is installed on the lower shell body 11 and with flow passage components 10 through screw thread and sealing and communicates, and obtains pressure signal in the supply channel, and feeds back to main circuit plate 4; Flow transducer 9 is installed in flow passage components, and flux signal is fed back to main circuit plate 4 through magnetic induction; Main circuit plate 4 is arranged on the top of lower shell body 11 inherent flow passage components 10; And dispel the heat through water-filled radiator 8, water-cooling is littler than traditional wind-cooling heat dissipating volume, and radiating effect is better; Wind-cooling heat dissipating sheet and radiation fan occupation space have been dwindled significantly; One end of water-filled radiator 8 is connected with main circuit plate 4, and the other end inserts in the flow passage components 10, through the water that flows through in the flow passage components 10 heat that main circuit plate 4 produces is taken away.Control panel 6 is arranged on the frequency-variable controller loam cake 5; Be provided with one 2 digital display window 12; Show all job informations through digital display window 12, four buttons 13 are set below digital display window 12, can carry out parameter setting, adjustment etc. easily; Frontal left at single-phase water pump constant pressure frequency conversion controller is provided with input power cord 1 and frequency conversion out-put supply line 2; Input power cord 1 is the power supply input of single-phase water pump constant pressure frequency conversion controller; The input power supply is civil power 220V/50Hz, and out-put supply line 2 water pump motors are output as the variable-frequency power sources of 0-50Hz; On out-put supply line 2, be provided with filtering magnet ring 3, reduce High-frequency Interference consuming device.Single-phase water pump constant pressure frequency conversion controling appliance has the automatic protection functions of most common failures such as anhydrous dried commentaries on classics, overvoltage, undervoltage, short circuit, excess current; Especially judge the anhydrous dried commentaries on classics that realizes through pressure, flow etc., can water pump effectively be protected, place water pump because anhydrous and adhesion.Flow passage components 10 are integrated with lower casing 11, adopt the PP35GF engineering plastics to make, and intensity is high, can bear 1.6MPa pressure; Screw connection point is the copper inserter, and is both artistic and practical, long service life, but repeated disassembled and assembled; 11 of loam cake 5 and lower casings have waterproof grommet, can effectively prevent unexpected water inlet, and protective circuit plate 4 does not receive the erosion of steam.
The single-phase water pump constant pressure frequency conversion of the utility model controller; Adopt the space vector of voltage pulse modulation technology that single phase motor is carried out frequency control of motor speed; Is the unitary whole structural design with pressure transducer 7, flow transducer 9 with VFC mainboard 4 and shell collection; Adopt the inner passing through type structure of current, realize automatic protection functions, solve water supply problem most common failures such as the anhydrous dried commentaries on classics of water pump, overvoltage, undervoltage, short circuit, excess current; Install and use simply, reach energy-conservation, constant voltage, the prolongation water pump purpose in working life.
Claims (1)
1. single-phase water pump constant pressure frequency conversion controller; It is characterized in that: constitute by input power cord (1), out-put supply line (2), filtering magnet ring (3), main circuit plate (4), frequency-variable controller loam cake (5), control panel (6), pressure transducer (7), water-filled radiator (8), flow transducer (9) and flow passage components (10); Flow passage components (10) are integrated with lower shell body (11), and pressure transducer (7) is arranged on the lower shell body (11), communicates with flow passage components (10); In flow passage components (10), be provided with flow transducer (9); Main circuit plate (4) is arranged on the top of the inherent flow passage components of lower shell body (11) (10), and an end of water-filled radiator (8) is connected with main circuit plate (4), and the other end inserts in the flow passage components (10); Control panel (6) is arranged on the frequency-variable controller loam cake (5); Be provided with one 2 digital display window (12), four buttons (13) be set, be provided with input power cord (1) and out-put supply line (2) in digital display window (12) below; Through out-put supply line (2) water pump motor, on out-put supply line (2), be provided with filtering magnet ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200222395U CN202451411U (en) | 2012-01-18 | 2012-01-18 | Constant pressure frequency conversion controller of single phase water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200222395U CN202451411U (en) | 2012-01-18 | 2012-01-18 | Constant pressure frequency conversion controller of single phase water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451411U true CN202451411U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200222395U Expired - Fee Related CN202451411U (en) | 2012-01-18 | 2012-01-18 | Constant pressure frequency conversion controller of single phase water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314663A (en) * | 2014-10-20 | 2015-01-28 | 广西玉柴机器股份有限公司 | Engine water pump |
| CN104704242A (en) * | 2012-10-04 | 2015-06-10 | 株式会社荏原制作所 | Water supply device |
-
2012
- 2012-01-18 CN CN2012200222395U patent/CN202451411U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104704242A (en) * | 2012-10-04 | 2015-06-10 | 株式会社荏原制作所 | Water supply device |
| CN104704242B (en) * | 2012-10-04 | 2016-08-24 | 株式会社荏原制作所 | Water supply device |
| CN104314663A (en) * | 2014-10-20 | 2015-01-28 | 广西玉柴机器股份有限公司 | Engine water pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20180118 |