CN202706099U - Automatic mute flexible variable-frequency and constant-pressure water supply mechanism with plurality of in-pipe pumps and plurality of frequency converters - Google Patents
Automatic mute flexible variable-frequency and constant-pressure water supply mechanism with plurality of in-pipe pumps and plurality of frequency converters Download PDFInfo
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- CN202706099U CN202706099U CN 201220381894 CN201220381894U CN202706099U CN 202706099 U CN202706099 U CN 202706099U CN 201220381894 CN201220381894 CN 201220381894 CN 201220381894 U CN201220381894 U CN 201220381894U CN 202706099 U CN202706099 U CN 202706099U
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Abstract
The utility morel relates to an automatic mute flexible variable-frequency and constant-pressure water supply mechanism with a plurality of in-pipe pumps and a plurality of frequency converters. A water inlet of the water supply mechanism is connected with a water inlet of a flow stabilizer; a water outlet of the flow stabilizer is connected with a water inlet of a mute in-pipe pump; and a water outlet of the mute in-pipe pump is connected with a water outlet of the water supply mechanism. The water supply mechanism collects water pressure data of the water outlet by a pressure sensor and the water pressure data is sent to each frequency converter through a transmitter; each frequency converter is used for sending the received water pressure data and data containing a work state of the frequency converter to a central processing unit through a data line; the central processing unit is used for carrying out analysis processing on the water pressure data and the data of the work state of the frequency converter and sending a command to the frequency converter through a middle relay set; and the frequency converter executes the command to control the water yield of the mute in-pipe pump so as to keep constant pressure of the water outlet. The automatic mute flexible variable-frequency and constant-pressure water supply mechanism has the advantages of reduction of faults, mute work, high working efficiency, long service life and convenience for overhauling.
Description
Technical field
The utility model relates to constant pressure water supply system, specifically the flexible constant pressure water supply of pump multi-frequency converter automatic mute mechanism in a kind of multitube.
Background technology
Non-negative-pressure variable frequency constant pressure mechanism commonly used is to utilize a frequency converter to cooperate with PLC at present, and by the PID regulatory function, 2-4 platform constant voltage water pump power frequency, frequency conversion switching are carried out in a plurality of A.C. contactor combinations, control simultaneously special-purpose stabilized pressure pump and realize voltage stabilizing function.
Non-negative-pressure variable frequency constant pressure mechanism commonly used is comprised of a frequency converter, 2-4 platform constant voltage water pump (main pump), 1 stabilized pressure pump (auxiliary pump), distance-transmission pressure gauge, flow straightener, simple and easy PLC.By distance-transmission pressure gauge induction variation in water pressure, and signal passed to frequency converter, carry out again the frequency conversion power frequency by frequency converter variable frequency starting constant voltage water pump and switch variable flow and load, directly stop to realize constant voltage by power frequency when subtracting pump, control variation in water pressure by special-purpose stabilized pressure pump start-stop during voltage stabilizing.
Have the following disadvantages and defective for non-negative-pressure variable frequency constant pressure mechanism commonly used: a, need to join special-purpose stabilized pressure pump be auxiliary pump; Working time, working strength are distributed serious inequality between b, constant pressure pump, the stabilized pressure pump, and the stabilized pressure pump life-span is short; Working time between c, constant pressure pump inside, load distribution is uneven, and coordination performance is bad, easy break-down; D, constant voltage voltage stabilizing, add pump and subtract serious hydraulic pressure oscillatory surge is all arranged when pump switches; E, mechanism's operating noise are large, and efficient is not high, and is energy-conservation limited; F, constant voltage, voltage stabilizing change obviously; G, water pump switching point (frequency, electric current, power) are single, are unfavorable for rationally, hommization regulates.
Summary of the invention
The purpose of this utility model provides the flexible constant pressure water supply of pump multi-frequency converter automatic mute mechanism in a kind of multitube, makes service life of equipment long, and maintenance is convenient, quiet work.
The utility model adopts following technical scheme to achieve these goals: the flexible constant pressure water supply of pump multi-frequency converter automatic mute mechanism in the multitube comprises flow straightener, gate valve, pressure sensor, transmitter, auxiliary reclay group, central processing unit and at least one frequency converter, at least one silencing pump-in-tube and at least one air switch; Described silencing pump-in-tube comprises that the cast iron body of glass type connects I by flange and is connected with the stainless steel body, the stainless steel body connects II by flange and is connected with the first flexible connecting hose, the first flexible connecting hose connects pump loam cake in the III tube connector by flange, and the pump loam cake connects flap valve by the second flexible connecting hose flange in the pipe; Be provided with in described cast iron inner surface of tube body bottom and push away beam, on push away and lay submersible pump on the beam, in the space of submersible pump and the formation of stainless steel tube body, some horizontal sliding damping balance pads are set equally spacedly.
The water inlet of water supply mechanism connects the water inlet of described flow straightener, and the delivery port of flow straightener connects the water inlet of silencing pump-in-tube by gate valve, and the delivery port of silencing pump-in-tube is connected to the delivery port of water supply mechanism.
The delivery port of described water supply mechanism is attached with pressure sensor, pressure sensor collection hydraulic pressure data communication device is crossed transmitter and is sent to each frequency converter, each frequency converter is crossed data wire with the hydraulic pressure data that receive with the data communication device that comprises frequency converter self duty and is sent to central processing unit, after central processing unit is processed the data analysis of hydraulic pressure data and frequency converter self duty, send order to frequency converter by the auxiliary reclay group, the water yield that frequency converter is carried out this order control silencing pump-in-tube makes the hydraulic pressure of described delivery port keep constant voltage.
The power end of described frequency converter connects three phase mains by air switch, and the power output end of frequency converter also is connected with the power line of silencing pump-in-tube, and described transmitter is connected power end and is connected power supply with central processing unit.
The utility model has the advantages that: a, do not need special-purpose stabilized pressure pump, reduce cost and fault; B, random time are switched water pump hydraulic pressure and are flexible seamless connection continuity, reduce the hydraulic pressure oscillatory surge, protection water consumption device and supply equipment, extension device overall operation life-span; C, random time water pump switch each pump and are the hommization working method that mutual cooperation cooperates; The working time of d, each pump of uniform distribution and live load reduce fault, and repair and maintenance is convenient; E, each pump plus-minus switching point can be selected suitable parameter area according to actual needs in power, electric current, frequency, be convenient to regulate, and be more reasonable; F, water pump are selected the high efficiency silencing pump-in-tube, the noise of minimizing, leakage and fault; G, high efficiency, quiet work, more energy-conservation, more environmental protection.
Description of drawings
The utility model can further specify by the non-limiting embodiment that accompanying drawing provides.
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is silencing pump-in-tube sectional view of the present utility model;
Among the figure: the 1-flow straightener; The 2-gate valve; The 3-pressure sensor; The 4-transmitter; 5-auxiliary reclay group; The 6-central processing unit; K
1～K
N-air switch; P
1～P
N-frequency converter; M
1～M
N-silencing pump-in-tube;
2-1: cast iron body; 2-2: on push away beam; 2-3: water inlet; 2-4: submersible pump; 2-5: flange connects I; 2-6: horizontal sliding damping balance pad; 2-7: delivery port; 2-8: flange connects II; 2-9: the first flexible connecting hose; 2-10: power line; 2-11: pump loam cake in the pipe; 2-12: flange connects III; 2-13: outlet valve; 2-14: the second flexible connecting hose; 2-15: flap valve; 2-16: stainless steel body.
The specific embodiment
Be described further below in conjunction with accompanying drawing.
Many pumps multi-frequency converter automatic flexible constant pressure water supply mechanism comprises flow straightener 1, gate valve 2, pressure sensor 3, transmitter 4, auxiliary reclay group 5, central processing unit 6, frequency converter P
1～frequency converter P
N, silencing pump-in-tube M
1～silencing pump-in-tube M
NWith air switch K
1～air switch K
NWherein, described silencing pump-in-tube comprises that the cast iron body 2-1 of glass type connects I2-5 by flange and is connected with stainless steel body 2-16, stainless steel body 2-16 connects II 2-8 by flange and is connected with the first flexible connecting hose 2-9, the first flexible connecting hose 2-9 connects pump loam cake 2-11 in the III 2-12 tube connector by flange, and pump loam cake 2-11 connects flap valve 2-15 by the second flexible connecting hose 2-14 flange in the pipe; Be provided with in described cast iron body 2-1 inner surface bottom and push away beam 2-2, on push away and lay submersible pump 2-4 on the beam 2-2, in the space of submersible pump 2-4 and stainless steel body 2-16 formation, some horizontal sliding damping balance pad 2-6 are set equally spacedly.
The water inlet of water supply mechanism connects the water inlet of described flow straightener 1, and the delivery port of flow straightener 1 connects the water inlet 2-3 of silencing pump-in-tube by gate valve 2, and the delivery port 2-7 of silencing pump-in-tube is connected to the delivery port of water supply mechanism.
The delivery port of described water supply mechanism is attached with pressure sensor 3, pressure sensor 3 collection hydraulic pressure data communication devices are crossed transmitter 4 and are sent to each frequency converter, each frequency converter is crossed data wire with the hydraulic pressure data that receive with the data communication device that comprises frequency converter self duty and is sent to central processing unit 6, after central processing unit 6 is processed the data analysis of hydraulic pressure data and frequency converter self duty, send order to frequency converter by auxiliary reclay group 5, the water yield that frequency converter is carried out this order control (by connecting the power line 2-10 control of silencing pump-in-tube) silencing pump-in-tube makes the hydraulic pressure of described delivery port keep constant voltage.
The power end of described frequency converter connects three phase mains by air switch, and the power output end of frequency converter also is connected with the power line 2-10 of silencing pump-in-tube, and the power end that described transmitter 4 is connected with central processing unit connects power supply.Be provided with outlet valve 2-13 on the pump loam cake 2-11 in the described pipe.
Described central processing unit 6 adopts PLC programming device (CP1E-N20DR-A).The frequency converter model that the utility model adopts: ACS510-05A6-4, transmitter model: KSA-1213, flow straightener model: Φ 600, Model of pump: TDW-80-8-2.2, pressure sensor model: KSYGX-G11, auxiliary reclay model: ABB-CR-M024DC2, ABB-CR-M230AC2.The utility model discloses a kind of 2-8 of utilization platform frequency converter and cooperates with PLC 2-8 platform silencing pump-in-tube is controlled automatically; to reach the purpose of the flexible quiet constant pressure water supply of high accuracy; described frequency converter and PLC utilize the PID regulatory function jointly pump in the described pipe to be carried out quiet Flexible Control; automatic torque-increasing few frequency converter pump working quantity that adds deduct; automatic switchover constant voltage voltage stabilizing working method; reach hydraulic pressure seamless link continuity; the quiet constant voltage of pump linkage in load range in the described frequency conversion organ pipe; also can independent quiet constant voltage; whole quiet constant voltages of auto-manual; but the also quiet constant voltage of part auto-manual; also error protection at any time; overhauls of the equipments etc. are withdrawed from automatically; add system works; working method is various; pump interlock uniform distribution working time and load in the described frequency conversion organ pipe are really realized flexible mute intelligent constant voltage of long-life simultaneously, and this technology improves the hydraulic pressure quality greatly; avoid the hydraulic pressure oscillatory surge; the phenomenons such as water hammer, reliability and the application life of improving equipment; energy-conservation; environment protecting is obvious.
Claims (2)
1. the flexible constant pressure water supply of pump multi-frequency converter automatic mute mechanism in the multitube, comprise flow straightener (1), gate valve (2), pressure sensor (3), transmitter (4), auxiliary reclay group (5), central processing unit (6) and at least one frequency converter, at least one silencing pump-in-tube and at least one air switch, it is characterized in that: described silencing pump-in-tube comprises that the cast iron body (2-1) of glass type connects I(2-5 by flange) be connected with stainless steel body (2-16), stainless steel body (2-16) connects II (2-8) by flange and is connected with the first flexible connecting hose (2-9), the first flexible connecting hose (2-9) connects pump loam cake (2-11) in III (2-12) tube connector by flange, and pump loam cake (2-11) connects flap valve (2-15) by the second flexible connecting hose (2-14) flange in the pipe; Bottom described cast iron body (2-1) inner surface, be provided with and push away beam (2-2), on push away and lay submersible pump (2-4) on the beam (2-2), in the space that submersible pump (2-4) and stainless steel body (2-16) form, some horizontal sliding damping balance pads (2-6) are set equally spacedly;
The water inlet of water supply mechanism connects the water inlet of described flow straightener (1), and the delivery port of flow straightener (1) connects the water inlet (2-3) of silencing pump-in-tube by gate valve (2), and the delivery port of silencing pump-in-tube (2-7) is connected to the delivery port of water supply mechanism;
The delivery port of described water supply mechanism is attached with pressure sensor (3), pressure sensor (3) collection hydraulic pressure data communication device is crossed transmitter (4) and is sent to each frequency converter, each frequency converter is crossed data wire with the hydraulic pressure data that receive with the data communication device that comprises frequency converter self duty and is sent to central processing unit (6), after central processing unit (6) is processed the data analysis of hydraulic pressure data and frequency converter self duty, send order to frequency converter by auxiliary reclay group (5), the water yield that frequency converter is carried out this order control silencing pump-in-tube makes the hydraulic pressure of described delivery port keep constant voltage;
The power end of described frequency converter connects three phase mains by air switch, and the power output end of frequency converter also is connected with the power line (2-10) of silencing pump-in-tube, and described transmitter (4) is connected 6 with central processing unit) power end connect power supply.
2. the flexible constant pressure water supply of pump multi-frequency converter automatic mute mechanism in the described multitube according to claim 1 is characterized in that: be provided with outlet valve (2-13) in the described pipe on the pump loam cake (2-11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381894 CN202706099U (en) | 2012-08-03 | 2012-08-03 | Automatic mute flexible variable-frequency and constant-pressure water supply mechanism with plurality of in-pipe pumps and plurality of frequency converters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381894 CN202706099U (en) | 2012-08-03 | 2012-08-03 | Automatic mute flexible variable-frequency and constant-pressure water supply mechanism with plurality of in-pipe pumps and plurality of frequency converters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202706099U true CN202706099U (en) | 2013-01-30 |
Family
ID=47586417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220381894 Expired - Fee Related CN202706099U (en) | 2012-08-03 | 2012-08-03 | Automatic mute flexible variable-frequency and constant-pressure water supply mechanism with plurality of in-pipe pumps and plurality of frequency converters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202706099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050080A (en) * | 2017-12-28 | 2018-05-18 | 宙斯流体***（上海）有限公司 | Pump and complete supercharging device in a kind of mute high-velocity tube |
-
2012
- 2012-08-03 CN CN 201220381894 patent/CN202706099U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050080A (en) * | 2017-12-28 | 2018-05-18 | 宙斯流体***（上海）有限公司 | Pump and complete supercharging device in a kind of mute high-velocity tube |
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| 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: 20130130 Termination date: 20150803 |
|
| EXPY | Termination of patent right or utility model |