CN102801254A - Energy-saving motor for hydraulic pump drive - Google Patents
Energy-saving motor for hydraulic pump drive Download PDFInfo
- Publication number
- CN102801254A CN102801254A CN2012103290488A CN201210329048A CN102801254A CN 102801254 A CN102801254 A CN 102801254A CN 2012103290488 A CN2012103290488 A CN 2012103290488A CN 201210329048 A CN201210329048 A CN 201210329048A CN 102801254 A CN102801254 A CN 102801254A
- Authority
- CN
- China
- Prior art keywords
- motor
- equiped
- energy
- hydraulic pump
- electric machine
- 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.)
- Pending
Links
Images
Abstract
The invention relates to the technical field of hydraulic control drive, and in particular relates to an energy-saving motor for hydraulic pump drive. The energy-saving motor comprises a rotor, a stator, a rotating shaft and a motor shell, wherein the motor shell is provided with a junction box; the stator is provided with a coil winding; the junction box is provided with a wiring terminal, a processor, a driving circuit and a detection device for detecting the output current of the driving circuit; and the detection device, the wiring terminal and the driving circuit are electrically connected with the processor. When the motor has an extremely high load, the rotating speeds of the rotor and rotating shaft of the motor are reduced, the heating capacity of the coil winding is improved, the resistance of the coil winding is increased, the input current of the motor is reduced, namely the output current of the driving circuit is reduced, the processor obtains the control information by comparing the detected current information with the set limit data and transmits the control information to the driving circuit, and the motor is prevented from being excessively heated by reducing or cutting off the output current of the driving circuit; and therefore, the functions of protecting the motor and saving the energy are realized.
Description
Technical field
The present invention relates to hydraulic control Driving technique field, refer in particular to a kind of hydraulic pump drive and use energy-saving electric machine.
Background technology
Motor is a kind of usual means that electric energy is changed into mechanical energy; Generally comprise and comprise rotor, stator, rotating shaft and motor housing, stator is fixed in the inwall of motor housing, and stator is passed in rotating shaft; Rotor is positioned at stator interior; The two ends of rotating shaft are connected with motor housing, and motor housing is equiped with terminal box, and stator is equiped with coil windings.Motor can produce a large amount of heat energy during owing to electric current process coil windings at work, not only causes the serious thermal loss of motor, the energy conversion efficiency when influencing machine operation, and defective is apparent in view.
In addition, the input current of motor is regulated in the variation of the motor load that common motor can not basis, when the load of motor becomes big; Reduce between the rotating speed of motor, even the possibility stall, if this moment is still by the rated current input; Then the electric energy of input can all be converted into heat energy by coil windings, not only causes the serious waste of electric energy, also is very easy to burn out the coil windings of motor; Thereby cause motor to scrap, when serious even initiation fire, potential safety hazard is more serious.
Summary of the invention
The technical problem that the present invention will solve provides and a kind ofly reduces that motor produces heat, the hydraulic pump drive that burns out coil windings when preventing motor overload is used energy-saving electric machine.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: hydraulic pump drive is used energy-saving electric machine, comprises rotor, stator, rotating shaft and motor housing; Stator is fixed in the inwall of motor housing, and stator is passed in rotating shaft, and rotor is positioned at stator interior; The two ends of rotating shaft are connected with motor housing; Motor housing is equiped with terminal box, and stator is equiped with coil windings, and said terminal box is equiped with binding post, processor, drive circuit and is used to detect the checkout gear of the output current of drive circuit; Checkout gear, binding post and drive circuit all are electrically connected with processor, and drive circuit is electrically connected with coil windings.
Wherein, said motor housing is equiped with outside framework oil seal, and the left end of rotating shaft passes this outside framework oil seal.
Wherein, the right-hand member of said rotating shaft is equiped with fan blade.
Wherein, said motor housing comprises body, protecgulum and bonnet, and protecgulum is connected with the two ends of body respectively with bonnet, and said terminal box is arranged at the outer wall of body.
Wherein, said bonnet is equiped with fan housing, and said fan blade is positioned at this fan housing.
Wherein, said protecgulum and bonnet all are equiped with bearing, and the two ends of said rotating shaft are set with in two bearings.
Wherein, said terminal box also is equiped with buffer circuit, is electrically connected with binding post and processor in the time of this buffer circuit.
Wherein, said terminal box also is equiped with operating means, and this operating means is electrically connected with processor.
Wherein, said terminal box also is equiped with memory, and this memory is electrically connected with said processor.
Beneficial effect of the present invention is: the invention provides a kind of hydraulic pump drive and use energy-saving electric machine; Can processor be connected with three phase mains through binding post; Coil windings energising back on the stator produces magnetic force; Rotor rotates in stator, thereby realizes the electric energy of said energy-saving electric machine and the translation function of mechanical energy.When the load of motor was excessive, the rotor of motor and the rotating speed of rotating shaft reduced, and the caloric value of coil windings increases; It is big that the resistance of coil windings becomes; The input current of motor reduces, and promptly the output current of drive circuit reduces, and checkout gear feeds back to processor after detecting this information; Draw control information after the limit data contrast of processor according to detected current information and setting; Processor passes to drive circuit with control information, avoids the excessive heating of motor through the output current of reduction or cut-out drive circuit, thereby plays protection motor and energy-conservation effect.
Description of drawings
Fig. 1 is a main TV structure sketch map of the present invention.
Fig. 2 is a stereochemical structure decomposing schematic representation of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is the schematic block circuit diagram of terminal box of the present invention.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing the present invention is further described, the content that execution mode is mentioned not is to qualification of the present invention.
To shown in Figure 4, a kind of hydraulic pump drive is used energy-saving electric machine like accompanying drawing 1, comprises rotor 1, stator 2, rotating shaft 3 and motor housing; Stator 2 is fixed in the inwall of motor housing, and stator 2 is passed in rotating shaft 3, and rotor 1 is positioned at stator 2 inside; The two ends of rotating shaft 3 are connected with motor housing; Motor housing is equiped with terminal box 4, and stator 2 is equiped with coil windings 5, and said terminal box 4 is equiped with binding post 6, processor 7, drive circuit 8 and is used to detect the checkout gear 19 of the output current of drive circuit 8; Checkout gear 19, binding post 6 and drive circuit 8 all are electrically connected with processor 7, and drive circuit 8 is electrically connected with coil windings 5.
See Fig. 4, can processor 7 be connected with three phase mains through binding post 6 that the coil windings 5 energising backs on the stator 2 produce magnetic force, rotor 1 rotates in stator 2, thereby realizes the electric energy of said energy-saving electric machine and the translation function of mechanical energy.When the load of said energy-saving electric machine was excessive, the rotor 1 of motor and the rotating speed of rotating shaft 3 reduced, and the caloric value of coil windings 5 increases; It is big that the resistance of coil windings 5 becomes; The input current of said energy-saving electric machine reduces, and promptly the output current of drive circuit 8 reduces, and checkout gear 19 feeds back to processor 7 after detecting this information; Draw control information after the limit data contrast of processor 7 according to detected current information and setting; For example setting lower current is 10A, if detected electric current Xiao Yu 10A, then processor 7 passes to drive circuit 8 with control information; Output current through reduction or cut-out drive circuit 8 is avoided the excessive heating of motor, thereby plays protection motor and energy-conservation effect.
See Fig. 3; The said motor housing of present embodiment is equiped with outside framework oil seal 9; The left end of rotating shaft 3 passes this outside framework oil seal 9, and when energy-saving electric machine was connected with hydraulic pump, being provided with of outside framework oil seal 9 can be under the prerequisite that does not influence rotating shaft 3 rotations; Guarantee the sealing property between rotating shaft 3 and the motor housing, prevent that hydraulic oil from getting into energy-saving electric machine and influencing the operate as normal of energy-saving electric machine.
The right-hand member of the said rotating shaft 3 of present embodiment is equiped with fan blade 10, to strengthen the heat dispersion of energy-saving electric machine.
See Fig. 3; The said motor housing of present embodiment comprises body 11, protecgulum 12 and bonnet 13, and protecgulum 12 is connected with the two ends of body 11 respectively with bonnet 13, and said terminal box 4 is arranged at the outer wall of body 11; Greatly reduce the assembling difficulty of energy-saving electric machine, improved the production efficiency of energy-saving electric machine.
The said bonnet 13 of present embodiment is equiped with fan housing 14, and said fan blade 10 is positioned at this fan housing 14, runs into fan blade 10 and causes danger to prevent staff or other parts, and coefficient of safety is higher.
The said protecgulum 12 and the bonnet 13 of present embodiment all are equiped with bearing 15; The two ends of said rotating shaft 3 are set with in two bearings 15; Can strengthen the fixing of rotating shaft 3 on the one hand, reduce the wearing and tearing between rotating shaft 3 and protecgulum 12 or the bonnet 13 on the other hand, prolong the useful life of energy-saving electric machine.
See Fig. 4, the said terminal box 4 of present embodiment also is equiped with buffer circuit 16, is electrically connected with binding post 6 and processor 7 in the time of this buffer circuit 16, and concrete, said terminal box 4 also is equiped with memory 18, and this memory 18 is electrically connected with said processor 7.This buffer circuit 16 is used for the electrical information of temporary transient storage from binding post 6 entering terminal boxes 4, is convenient to processor 7 and from buffering circuit 16, extracts electrical information, and said memory 18 is used for the set information of longer-term storage energy-saving electric machine.
The said terminal box 4 of present embodiment also is equiped with operating means 17, and this operating means 17 is electrically connected with processor 7, is convenient to operating personnel's input or revises the set information in the energy-saving electric machine, conveniently controls.
The foregoing description is the preferable implementation of the present invention, and in addition, the present invention can also realize by alternate manner that any conspicuous replacement is all within protection scope of the present invention under the prerequisite that does not break away from the present invention's design.
Claims (9)
1. hydraulic pump drive is used energy-saving electric machine; Comprise rotor (1), stator (2), rotating shaft (3) and motor housing; Stator (2) is fixed in the inwall of motor housing, and stator (2) is passed in rotating shaft (3), and rotor (1) is positioned at stator (2) inside; The two ends of rotating shaft (3) are connected with motor housing; Motor housing is equiped with terminal box (4), and stator (2) is equiped with coil windings (5), it is characterized in that: said terminal box (4) is equiped with binding post (6), processor (7), drive circuit (8) and is used to detect the checkout gear (19) of the output current of drive circuit (8); Checkout gear (19), binding post (6) and drive circuit (8) all are electrically connected with processor (7), and drive circuit (8) is electrically connected with coil windings (5).
2. hydraulic pump drive according to claim 1 is used energy-saving electric machine, it is characterized in that: said motor housing is equiped with outside framework oil seal (9), and the left end of rotating shaft (3) passes this outside framework oil seal (9).
3. hydraulic pump drive according to claim 1 is used energy-saving electric machine, it is characterized in that: the right-hand member of said rotating shaft (3) is equiped with fan blade (10).
4. hydraulic pump drive according to claim 3 is used energy-saving electric machine; It is characterized in that: said motor housing comprises body (11), protecgulum (12) and bonnet (13); Protecgulum (12) is connected with the two ends of body (11) respectively with bonnet (13), and said terminal box (4) is arranged at the outer wall of body (11).
5. hydraulic pump drive according to claim 4 is used energy-saving electric machine, it is characterized in that: said bonnet (13) is equiped with fan housing (14), and said fan blade (10) is positioned at this fan housing (14).
6. hydraulic pump drive according to claim 4 is used energy-saving electric machine, it is characterized in that: said protecgulum (12) and bonnet (13) all are equiped with bearing (15), and the two ends of said rotating shaft (3) are set with in two bearings (15).
7. hydraulic pump drive according to claim 1 is used energy-saving electric machine, it is characterized in that: said terminal box (4) also is equiped with buffer circuit (16), is electrically connected with binding post (6) and processor (7) in the time of this buffer circuit (16).
8. hydraulic pump drive according to claim 1 is used energy-saving electric machine, it is characterized in that: said terminal box (4) also is equiped with operating means (17), and this operating means (17) is electrically connected with processor (7).
9. hydraulic pump drive according to claim 1 is used energy-saving electric machine, it is characterized in that: said terminal box (4) also is equiped with memory (18), and this memory (18) is electrically connected with said processor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103290488A CN102801254A (en) | 2012-09-07 | 2012-09-07 | Energy-saving motor for hydraulic pump drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103290488A CN102801254A (en) | 2012-09-07 | 2012-09-07 | Energy-saving motor for hydraulic pump drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102801254A true CN102801254A (en) | 2012-11-28 |
Family
ID=47200261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103290488A Pending CN102801254A (en) | 2012-09-07 | 2012-09-07 | Energy-saving motor for hydraulic pump drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102801254A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242550A (en) * | 2014-08-15 | 2014-12-24 | 浙江格美机电科技有限公司 | High-temperature-resistant highly-sealed motor special for food oil circulating system |
| CN105889013A (en) * | 2016-04-07 | 2016-08-24 | 浙江海洋学院 | Overload self-outage return oil transmission pump |
| CN117375326A (en) * | 2023-12-04 | 2024-01-09 | 中山市联星电器制造有限公司 | Overload self-power-off type driving motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201682353U (en) * | 2010-05-26 | 2010-12-22 | 上海Abb电机有限公司 | Dual-power motor for hoisting ship deck |
| CN202200144U (en) * | 2011-07-13 | 2012-04-25 | 福建惠安县坚固电机有限公司 | Hand-held electric angle grinding tool |
| JP2012100473A (en) * | 2010-11-04 | 2012-05-24 | Mitsubishi Electric Corp | Field winding type rotary electric machine |
| CN102594076A (en) * | 2012-03-09 | 2012-07-18 | 江门市凯斯莱工贸有限公司 | Variable-frequency three-phase brushless permanent magnet motor |
| CN202840837U (en) * | 2012-09-07 | 2013-03-27 | 东莞市神煜机械有限公司 | Energy-saving motor applied to hydraulic pump drive |
-
2012
- 2012-09-07 CN CN2012103290488A patent/CN102801254A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201682353U (en) * | 2010-05-26 | 2010-12-22 | 上海Abb电机有限公司 | Dual-power motor for hoisting ship deck |
| JP2012100473A (en) * | 2010-11-04 | 2012-05-24 | Mitsubishi Electric Corp | Field winding type rotary electric machine |
| CN202200144U (en) * | 2011-07-13 | 2012-04-25 | 福建惠安县坚固电机有限公司 | Hand-held electric angle grinding tool |
| CN102594076A (en) * | 2012-03-09 | 2012-07-18 | 江门市凯斯莱工贸有限公司 | Variable-frequency three-phase brushless permanent magnet motor |
| CN202840837U (en) * | 2012-09-07 | 2013-03-27 | 东莞市神煜机械有限公司 | Energy-saving motor applied to hydraulic pump drive |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242550A (en) * | 2014-08-15 | 2014-12-24 | 浙江格美机电科技有限公司 | High-temperature-resistant highly-sealed motor special for food oil circulating system |
| CN104242550B (en) * | 2014-08-15 | 2016-08-24 | 浙江格美机电科技有限公司 | High temperature resistant high sealing food oil blood circulation motor special |
| CN105889013A (en) * | 2016-04-07 | 2016-08-24 | 浙江海洋学院 | Overload self-outage return oil transmission pump |
| CN117375326A (en) * | 2023-12-04 | 2024-01-09 | 中山市联星电器制造有限公司 | Overload self-power-off type driving motor |
| CN117375326B (en) * | 2023-12-04 | 2024-02-09 | 中山市联星电器制造有限公司 | Overload self-power-off type driving motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101388642A (en) | Power-on buffering and dynamic urgent braking apparatus for AC servo system | |
| CN102801254A (en) | Energy-saving motor for hydraulic pump drive | |
| CN202840837U (en) | Energy-saving motor applied to hydraulic pump drive | |
| CN205212732U (en) | Separately excited DC machine a soft start control device based on STM32 | |
| CN204470304U (en) | synchronous motor wire drawing machine | |
| CN201294418Y (en) | AC variable-frequency speed regulating asynchronous traction motor | |
| CN102847604B (en) | Control method applied to paper shredder | |
| CN103441584A (en) | Three-phase asynchronous motor with movable stator | |
| CN204847730U (en) | Colliery is synchronous device that directly drives of permanent magnetism for lifting machine | |
| CN204361837U (en) | A kind of low-voltage alternating-current variable-frequency motor based on wind generating set pitch control system | |
| CN207664755U (en) | A kind of motor with antioverloading warning function | |
| CN207381961U (en) | A kind of three-station motor overload protection device | |
| CN205212681U (en) | Novel drag electricity generation type motor in two plays axle | |
| CN102684437A (en) | Three-phase asynchronous and synchronous combination motor | |
| CN105262319B (en) | A kind of be capable of in new double shafts of start-up circuit drags power generation type motor | |
| CN206650529U (en) | A kind of drier motor | |
| CN201090470Y (en) | Bus air conditioner direct current brushless condensing fan | |
| CN2867700Y (en) | Slotless electric machine stator | |
| CN210273875U (en) | Double-frequency-converter control system | |
| CN202488323U (en) | Variable-frequency three-phase brushless permanent magnet motor | |
| CN204334231U (en) | Integral type variable-frequency motor | |
| CN102594076B (en) | Variable-frequency three-phase brushless permanent magnet motor | |
| CN201918958U (en) | Single-phase asynchronous motor driving circuit capable of operating in undervoltage state | |
| CN102882333A (en) | Combined three-phase asynchronous motor | |
| CN201483470U (en) | Novel brushless electric tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121128 |