CN1105104A - Digital control two-way reversible shielding pump - Google Patents
Digital control two-way reversible shielding pump Download PDFInfo
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- CN1105104A CN1105104A CN 94100014 CN94100014A CN1105104A CN 1105104 A CN1105104 A CN 1105104A CN 94100014 CN94100014 CN 94100014 CN 94100014 A CN94100014 A CN 94100014A CN 1105104 A CN1105104 A CN 1105104A
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Abstract
As full-speed synchronous rare-earth motor has the characteritics of both motor and electric generator, the motor is directly combined with industrial pump driven magnetically into a whole. The blade wheel of pump is directly installed to axle of motor. The rotor replaces slave part of original magnetic coupler and the stator replaces its drive part. A numerally controlling part is used. The motor may be used as real-time controlled booster of liquid energy or as electric generator to convert liquid mechanic energy into electric one reversely. It is a new structure two-way reverse pump.
Description
The present invention relates to a kind of numerical controlled power device, exactly, relate to a kind of can be according to the difference of condition at random, and become the new type power equipment of canned motorpump or hydraulic turbine generator at any time.
The rotary industrial pump of QC series magneto drive of domestic production is by its motor 1 rotation, the active part 21 that drives the permanent magnetism coupler 2 coaxial with it rotates thereupon, the impeller 31 that drives its pump housing 3 by the rotation of the secondary part 22 of coupler 2 rotates again, thus the usefulness of performance pump.The 6th, cooling fan.This pump has the permanent magnetism coupler 2(of a sealing referring to Fig. 1 between its pump housing and motor), transmit motor driving moment by the magnetic force coupling.Because the waterpower of pump partly is shielded in the complete airtight cavity, sealability is fine, can accomplish that drop does not leak.But owing to increased the permanent magnetism coupler, its shortcoming is that volume increases, and cost improves.
Substitute products-the digital control two-way reversible shielding pump that the purpose of this invention is to provide the rotary industrial pump of a kind of magneto drive.
The present invention is achieved in that it includes housing, impeller, stator, rotor, numerical control device and air cooling equipment, it is characterized in that: pump case and motor casing join together, wherein the impeller shaft of pump is coaxial with rotor, this motor is the numerical control rare earth full speed synchronous machine with electric power/power conversion function, i.e. a plurality of magnetic poles of making at the useful rare earth permanent-magnetic material of its rotor outer rim, its stator coil is circumscribed with two-way variable ratio frequency changer inverter, this two-way inverter is respectively with power supply network and by the high-power electric and electronic switch block, bank of filters is connected with DC load, has two-way variable ratio frequency changer inverter, power electronic switch assembly is controlled, and the programmable controller total with other equipment.
The present invention is based on patented technology-NC full-speed electric power/power device (patent No.: CN93200001.0) and the full speed rare-earth synchronous motor (patent No.: CN91203427.0)-recreation of claimant, utilize full speed rare-earth synchronous motor to have the characteristics of motor and generator function concurrently, make it and the rotary industrial pump integrator of magneto drive: with the secondary part that the former magnetic coupling of similarity is arranged with it on the rotor portion alternative structure of this motor and the mechanical property, its active part then directly replaces with the stator of motor, the profile of housing is again by in addition standardization of the requirement of synchronous machine at full speed, just can be combined into an integral body to the motor and the pump housing, abandon magnetic coupling (its function is then by the rare-earth electric motor replacing whole) fully, be aided with numerical control device again, just become a kind of brand-new bidirectional reversible pump: it both can be used as the supercharging equipment of liquid energy, also can be used for reverse mechanical energy (head) and convert electric energy to, use as power generating equipment with liquid.Running under this conversion and the every kind of state all is the Controlled by Programmable Controller that is subjected in the numerical control device, the real-time control software that is compiled into because storing the various expertises of collection and outstanding operator's experience skill in the controller, make the present invention change process parameter at any time and enter the optimum state and move, can be used as and realize the dynamically more satisfactory equipment of control of flow of fluid in the modern industry production.
Fig. 1 is the structure diagram of the CQ type magneto drive industrial pump of domestic production.
Fig. 2 is a structure diagram of the present invention.
Fig. 3 is the external form comparison diagram of the present invention (A) and CQ type magneto drive industrial pump (B).
Referring to Fig. 2, can be clear that the present invention has given up the magnetic coupling part in the original magneto drive industrial pump, pump has directly partly been linked together with motor: pump case 32 and motor casing 53 fuse, the impeller 31 of pump and the 52 coaxial installations of the rotor of motor, drive motor 5 is the numerical control rare earth full speed synchronous machines with electric power/power conversion function, a plurality of magnetic poles that the useful rare earth permanent-magnetic material of rotor 52 outer rims of this motor 5 is made, its stator 51 coils are circumscribed with two-way variable ratio frequency changer inverter 7.When giving stator 51 coil feeds by two-way variable ratio frequency changer inverter 7 from electrical network 8, this two-way variable ratio frequency changer inverter 7 can become frequency and all controlled Ac output of phase place to common industrial-frequency alternating current or direct current, and size that can controlled change output current.By the output current frequency and the phase place of the two-way inverter 7 of control break, can control rotating speed, acceleration and the sense of rotation of rotor 31, coaxial because of the impeller shaft and the rotor of pump, rotating speed, acceleration and the sense of rotation that also is pump all is controlled; By the output current size of the two-way variable ratio frequency changer inverter 7 of control break, can control the output torque of rotor, by programmable controller 9 output current, the frequency of its two-way inverter of controlling are carried out integration, can realize flow control to pump.In a word, nationality help programmable controller 9 can be to rotating speed, the acceleration of the pump housing of the present invention, turn to, the flow velocity of pumping liquid, flow are realized accurate control in real time.
The present invention is controlled when work, and various data can be stored in again in the storage of programmable controller, and various parameters are handled in real time, can obtain transient flow exactly, with just can try to achieve correct integrated flow after the time integral, thereby the present invention has function of measuring again concurrently.
Another characteristic of the present invention is: can reverse mechanical energy with head convert electric energy in case of necessity.Its working procedure is: made impeller 31 rotations of the pump housing by the mechanical energy of head, at this moment, impeller 31 is equivalent to the turbine in the water turbine, drive 52 rotations of coaxial motor p-m rotor, at this moment, the electromotive force of inducting in stator 51 coils will enter the three phase full wave rectification axle assemble of 7 li of two-way variable ratio frequency changer inverters in the numerical control device, be rectified into direct current, again through a high-power electric and electronic assembly 10 and filter capacitor group 11, be transported to direct current power consumption load, at this moment, drive motor 5 has become generator.Induced potential also can by two-way inverter inside, become threephase AC and present back power supply network 8 with the synchronous straight-AC inverter another mistake of three phase current electrical network.These processes all by programmable controller by sending dependent instruction adjustment, controlling related device action and finish.This industrial pump that can realize bidirectional reversible conversion is way of great use on some commercial plant, and for example to pass through the very big area of Terrain Elevation difference just very useful for the outlet of a long distance oil pipeline or pipeline.
Form structure of the present invention and general industry pump similar (referring to Fig. 3), but because of having reduced magnetic coupling, reduce by a coupling drive again, motor casing and pump case are linked to be an integral body, the impeller of pump can directly install to the axle head of motor, so mechanical structure of the present invention has been simplified greatly.
Inverter able to programme of the present invention can be the general industry process controller, also industrial control computer, can also be the central control computer of sharing with other equipment, by standard industrial control, the time spent division multi-address method be controlled and is gathered various devices and parameter.
Claims (1)
1, a kind of digital control two-way reversible shielding pump, include housing, impeller, stator, rotor, numerical control device and air cooling equipment, it is characterized in that: pump case and motor casing join together, wherein the impeller shaft of pump is coaxial with rotor, this motor is the numerical control rare earth full speed synchronous machine with electric power/power conversion function, i.e. a plurality of magnetic poles of making at the useful rare earth permanent-magnetic material of its rotor outer rim, its stator coil is circumscribed with two-way variable ratio frequency changer inverter, this two-way inverter is respectively with power supply network and by the high-power electric and electronic switch block, bank of filters is connected with DC load, has two-way variable ratio frequency changer inverter, power electronic switch assembly is controlled, and the programmable controller total with other equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94100014 CN1105104A (en) | 1994-01-07 | 1994-01-07 | Digital control two-way reversible shielding pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94100014 CN1105104A (en) | 1994-01-07 | 1994-01-07 | Digital control two-way reversible shielding pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1105104A true CN1105104A (en) | 1995-07-12 |
Family
ID=5029389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94100014 Pending CN1105104A (en) | 1994-01-07 | 1994-01-07 | Digital control two-way reversible shielding pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1105104A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023508A (en) * | 2017-05-15 | 2017-08-08 | 青岛海尔洗衣机有限公司 | A kind of reversible current drive pump and the washing machine with the drive pump |
| CN109826798A (en) * | 2017-11-23 | 2019-05-31 | 浙江富莱欧机电有限公司 | A kind of freq uency conversion supercharging pump |
-
1994
- 1994-01-07 CN CN 94100014 patent/CN1105104A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023508A (en) * | 2017-05-15 | 2017-08-08 | 青岛海尔洗衣机有限公司 | A kind of reversible current drive pump and the washing machine with the drive pump |
| CN107023508B (en) * | 2017-05-15 | 2021-03-02 | 青岛海尔洗衣机有限公司 | Reversible water flow transmission pump and washing machine with same |
| CN109826798A (en) * | 2017-11-23 | 2019-05-31 | 浙江富莱欧机电有限公司 | A kind of freq uency conversion supercharging pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |