CN108141171A - Electric rotating machine and electric rotating machine assembly - Google Patents
Electric rotating machine and electric rotating machine assembly Download PDFInfo
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- CN108141171A CN108141171A CN201680056219.0A CN201680056219A CN108141171A CN 108141171 A CN108141171 A CN 108141171A CN 201680056219 A CN201680056219 A CN 201680056219A CN 108141171 A CN108141171 A CN 108141171A
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- Prior art keywords
- electric rotating
- rotating machine
- temperature
- power inverter
- casing
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
- H02P29/64—Controlling or determining the temperature of the winding
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention provides a kind of electric rotating machine and electric rotating machine assembly.Its object is to while the modular construction for obtaining outside air temperature is reduced, correspondingly change the control method of electric rotating machine according to ambient temperature.To solve the above-mentioned problems, electric rotating machine assembly includes electric rotating machine, electric rotating machine includes casing, stator in casing, fixed rotor on the rotary shaft, the bearing of supporting rotating shaft and the end cap for installing bearing, the control circuit board that the stator of electric rotating machine is supplied the power inverter of driving current and controlled using power inverter electric rotating machine is configured in the peripheral part of casing, the region of the power inverter and chassis contact in power inverter is provided with temperature detector, control circuit board changes the control method of electric rotating machine according to the temperature that temperature detector detects.
Description
Technical field
The present invention relates to the electric rotating machines and electric rotating used in the driving of the various equipment for being driven to represent with pump
The control method of machine assembly more particularly to electric rotating machine.
Background technology
For example, individually the pump of outdoor layout is easily influenced by temperature (ambient temperature), and due to it is separately provided,
There is no veils, it is therefore desirable to which its running noise is more quiet.Especially, the temperature rises and electric rotating machine can with setting position
The difference put and because direct sunlight leads to heating in the daytime, need to inhibit the temperature rise of electric rotating machine, and in the background of surrounding
It at the night that noise reduces, needs to inhibit relatively low by the running noise of electric rotating machine.
As the background technology of the art, there are Japanese Unexamined Patent Publication 2014-20764 bulletins (patent document 1).Patent text
It offers 1 and discloses one kind setting clock (timing unit) in Teat pump boiler, correspondingly to be controlled with the time to heat pump unit
The method of system.In addition, Japanese Unexamined Patent Publication 2012-10490 bulletins (patent document 2), which disclose one kind, is used only arithmetic processing apparatus
The method that is calculated come the temperature rise to inverter components of internal information.
It is further known that usually by reduce carrier frequency (output power that aftermentioned power inverter is exported
The frequency of pulse width modulation cycle), the calorific value in the power inverter controlled electric rotating machine can be reduced.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2014-20764 bulletins
Patent document 2：Japanese Unexamined Patent Publication 2012-10490 bulletins
Invention content
Technical problems to be solved by the inivention
But, patent document 1 must use clock (timing unit), need that clock is made to be powered or be equipped with battery always
Or accumulator.Even if in the case where being equipped with battery, if battery has a power failure when reaching the service life, also can exist to lose and believe constantly
The risk of breath.Therefore, it is possible to consider round the clock to be judged in a manner of not using clock, and then change the controlling party of electric rotating machine
Method.As a kind of method judged round the clock, can be judged using outside air temperature.
On the other hand, although can calculate the temperature rise of inverter components in patent document 2, in order to grasp the external world
Temperature needs separately to set dedicated temperature sensor in outside.
The present invention be in view of above-mentioned the problems of the prior art and make, it is intended that outer for obtaining reducing
While the modular construction of boundary's temperature, correspondingly change the control method of electric rotating machine according to ambient temperature.
Technical means to solve problem
To achieve the above object, its an example of the present invention provides a kind of electric rotating machine assembly, including electric rotating machine, rotation
Rotating motor include casing, the stator in casing, fixed rotor on the rotary shaft, supporting rotating shaft bearing and be used for
The end cap of bearing is installed, the power inverter to the stator supply driving current of electric rotating machine is configured in the peripheral part of casing
With the control circuit board controlled using power inverter electric rotating machine, the electrical power conversion in power inverter
The region of device and chassis contact is provided with temperature detector, and control circuit board changes according to the temperature that temperature detector detects
Become the control method of electric rotating machine.
Invention effect
In accordance with the invention it is possible to reduce the modular construction for obtaining temperature information, the temperature based on electric rotating machine is grasped
Ambient temperature, and correspondingly electric rotating machine can be controlled according to ambient temperature.
Description of the drawings
Fig. 1 be represent in embodiment 1 for the integrally-built appearance of electric rotating machine assembly of outdoor pump to be driven to stand
Body figure.
Fig. 2 is the whole knot for representing the electric rotating machine part being built in the cover of electric rotating machine assembly in embodiment 1
The open cube display of structure.
Fig. 3 is the open cube display of each section when representing that electric rotating machine assembly is accommodated in cover in embodiment 1.
Fig. 4 is the power inverter and stator that are mounted on casing in the electric rotating machine assembly for illustrate embodiment 1
Position relationship the fragmentary perspective cross sectional view of another.
Fig. 5 is the circuit structure diagram of the power inverter of embodiment 1.
Fig. 6 A are easy among the data content being stored in control circuit board (control circuit) for representing embodiment 1 to 4
The figure of the content of the property lost memory.
Fig. 6 B are non-among the data content being stored in control circuit board (control circuit) for representing embodiment 1 to 4
The figure of the content of volatile memory.
Fig. 7 is the figure for the main control process flow by taking pump as an example for representing embodiment 1 to 4.
Fig. 8 is the figure for the temperature measuring process flow for representing embodiment 1.
Fig. 9 is to represent that the operating condition of embodiment 1 measures the figure of process flow.
Figure 10 is to represent that the temperature of embodiment 1 judges the figure of process flow.
Figure 11 is the definition graph about the temperature gradient in embodiment 1.
Figure 12 is the associated figure for representing distance and temperature reductions in embodiment 1.
Figure 13 is the figure of setting processing flow at the time of representing embodiment 1.
Figure 14 is the figure for the Motor Control setting processing flow for representing embodiment 1.
Figure 15 is the figure for the Motor Control setting processing flow for representing embodiment 2.
Figure 16 is the figure for the Motor Control setting processing flow for representing embodiment 4.
Specific embodiment
Hereinafter, the embodiment of the present invention is described with reference to the accompanying drawings.
Embodiment 1
The present embodiment on electric rotating machine to be integrally formed power inverter, various circuit boards, capacitor, noise
It is illustrated for the electric rotating machine assembly of wave filter etc..The electric rotating machine assembly is such as driving outdoor pump.And
And the change of pair control method corresponding with ambient temperature illustrates, wherein control method is included in the temperature of electric rotating machine
It rises and inhibits to operate and be suppressed to running noise relatively low mute operating.
Fig. 1 is the integrally-built stereoscopic for being used to drive the electric rotating machine assembly of outdoor pump for representing the present embodiment
Figure.In Fig. 1,10 represent the cover for covering the periphery of electric rotating machine main body, the shape of generally cylindrical shape.The cover 10 is to pass through
Material is inhibited to form regulation shape such as carrying out press process the resonance of plate.More specifically, by cover
Inside installation sound-absorbing material, acoustic material, damping material, vibration-proof material etc., can inhibit noise and vibration.
An end (the depth side in figure) in the axis direction of above-mentioned cover 10 is equipped with cooling fan cover 20, wherein built-in
Hereinafter by the centrifugal fan of explanation 58.In addition, another end (front side, load-side in figure) be equipped with it is described below
The end cap 11 of electric rotating machine.Power inverter housing 30 and terminal board are also separately installed on the peripheral surface of above-mentioned cover 10
40, wherein power inverter is built-in with having been stored the power inverter of explanation in housing 30 hereinafter in terminal board 40
Noise filter.
Fig. 2 is the open cube display for the structure for representing the electric rotating machine 50 being built in above-mentioned cover 10 in the present embodiment.
Fig. 2 illustrates the example of permanent magnet type electric rotary machine.In Fig. 2,51 represent substantially cylindric casing (or also referred to as engine base), should
Casing 51 is to be formed by materials such as the outstanding aluminium of conductivity of heat (thermal conductivity) by squeezing.In addition, as shown in the figure, casing 51
Multiple cooling fins 52L, the 52S extended side by side along columnar rotary shaft are formed in its entire peripheral surface.In the machine
A part (being top in figure) for the peripheral surface of shell 51, is formed with the face for installing above-mentioned power inverter housing 30
The larger installation planar portions 53 of product, around form the cooling fins 52L of larger (extending longer) in the horizontal direction.
In addition, in the inside of the casing 51 of the cylindrical shape, stator 54 --- form the electricity of above-mentioned permanent magnet type electric rotary machine
Pivot --- it is inserted into and is fixed on wherein, and in the cylindric inner space of the stator 54, inserted with by multiple permanent magnetism
The rotor (rotor) 55 that body is configured and forms cylindricly, the rotor 55 be mounted to can to separate relative to stator 54 as defined between
Gap rotates freely.56 be the rotary shaft (shaft) being formed as one with above-mentioned rotor (rotor) 55, and the rotation of electric rotating machine is driven
Power is transferred to the driven equipment such as pump through the axis.57 be above-mentioned end cap 11 opposite side be mounted on casing 51 end
End cap, and 58 represent the outside of the end cap 57 be mounted on above-mentioned rotary shaft (shaft) 56 on centrifugal fan (cooling wind
Fan).In addition, being equipped with bearing (not shown) on end cap, rotary shaft is supported by bearing.
Fig. 3 is that the expansion of each section when representing for above-mentioned electric rotating machine 50 to be accommodated in 10 inside of cover shown in FIG. 1 is three-dimensional
Figure.In Fig. 3, electric rotating machine 50 is in a part for the peripheral surface of its casing 51 --- in the shape of lower periphery in such as illustrated example
Into the part of shorter cooling fins 52S, it is mounted with that exterior cross-section is shaped generally as the control circuit board housing of arc-shaped
60 and smoothing capacity device housing 70, electric rotating machine 50 is inserted into above-mentioned 10 inside (arrow in reference chart) of cover later.Also,
Casing 51 installation in planar portions 53, electrical power conversion dress is installed in the opening portion 511 for passing through the part place for being arranged on cover 10
31 are put, work(as heater element of the power inverter 31 being partially provided with temperature detector and for forming inverter
Rate switch element (such as IGBT etc.).Then, the power inverter for protecting the power inverter 31 is installed from outside
With housing 30.And then a part for the peripheral surface in casing 51 installs above-mentioned terminal board 40 (arrow in reference chart).It connects
It, above-mentioned cooling fan cover 20 is installed at the other end of casing 51 (left end in figure).Wherein, it 21 represents in the cooling fan
What the substantially central portion of the wall surface of cover 20 was formed in mesh-like manner is largely used to import the aperture of extraneous air.
That is, using the electric rotating machine assembly for including above-mentioned electric rotating machine main body and its peripheral unit, with electric rotating machine
Operating and under the action of the rotary shaft (shaft) 56 that rotates, the centrifugal fan 58 mounted on its front end rotates, from outer
The air in portion is directed to the inside of cover 10, is flowed between cooling fins 52L, 52S for being largely formed in the peripheral surface of casing 51
It moves and carries out heat exchange (with reference to the hollow arrow of figure 2).Later, it is flowed out by the gap between the end cap of the other end 11 and cover 10
To outside.That is, peripheral surface is formed with the casing 51 of a large amount of cooling fins 52L, 52S by because being generated during the rotation of centrifugal fan 58
Air stream cooling.
In addition, as described above, in order to which the heat that electric rotating machine is sent out is discharged to the outside, power inverter 31 is direct
In the part for casing 51 being wholely set mounted on the periphery with stator (stator) 54, i.e. its installation planar portions 53.By
This, is integrally constituted (that is, thermally to power inverter 31 and 51 calorifics of casing that is formed by the outstanding material of conductivity of heat
It is integrally constituted), the temperature detector inside power inverter 31 can be utilized, to the temperature of itself of power inverter 31
Integrated management is carried out with the temperature of casing 51.
Particularly, in above-described embodiment, for 51 top of casing for being formed in cylindrical shape of power inverter 31 to be configured
Installation planar portions 53 around formed relatively thin compared to other parts, therefore power inverter 31 and casing 51 are further
Calorifics it is integrally constituted.
In addition, as described above, according to the present embodiment, control circuit board housing 60 and capacitor housing 70 are also mounted at
A part for the peripheral surface of casing 51, so the heat that sends out of these enclosure interiors is also as described above, it can be through being formed in
Cooling fins 52L, 52S of 51 periphery of casing are efficiently discharged to the outside.
In addition, the control circuit board is with housing 60, (control circuit board, control are electric with the controller of control inside it
Road, control microcomputer) it is built-in with the interface card of communication together, and be filled with resin material etc. inside it, therefore ring
Border patience and impact patience are more outstanding.Also, pass through one that the control circuit board is mounted on to electric rotating machine with housing 60
Point, it can be realized and external Wireless/wired communication function while control is driven to outdoor pump.In addition, using should
Function, if such as be equipped with pressure sensor, flow sensor etc. in control circuit board, can be by the use of this tittle as anti-
Feedback signal carries out automatically controlling, and then, by with sensor (Support center) is supported to be notified and (communicated), additionally it is possible to realize collection
Middle management and synthesis energy saving monitoring system etc..That is, thus, it is possible to carry out the running management of outdoor pump and energy-saving operation etc., and
It can realize remotely monitor control and centralized management and the systematization of multiple pumps.
In addition, capacitor stores the inverter circuit for forming above-mentioned power inverter 31 with housing 70 inside it
A part (component) smoothing capacity device, as described above, by inject inside it resin material etc. realize environment it is resistance to
Property and impact patience.In addition, the DC reactors about the part for forming inverter, to be assembled in above-mentioned electric power in the present embodiment
Situation in a part for conversion equipment 31 is illustrated, but the DC reactors can be similarly built in private casing,
In a part for the peripheral surface of casing 51.
Fig. 4 is the power inverter and stator that are mounted on casing in the electric rotating machine assembly for illustrate the present embodiment
Position relationship the fragmentary perspective cross sectional view of another.As shown in figure 4, match instead of above-described embodiment for example, by using such
Put, that is, above-mentioned cylindrical shape casing 51 installation in planar portions 53, the heating part in power inverter 31 is (in figure
Reticular part) central part of heating part, that is, stator 54 of positions of the H in Pivot axle and electric rotating pusher side (uses dotted line in figure
B represent) position consistency.That is, so that B and the mode of H position consistencies are inserted into stator 54.If moreover, in power inverter
The 31 region set temperature detectors contacted with casing 51 are controlled, then power inverter 31 and 51 further calorifics of casing
Ground is integrally constituted, and can realize accurate temperature control.
Fig. 5 represents the circuit structure diagram of the power inverter 31 of the present embodiment.The AC power of input is rectified 1 turn of device
It is changed to direct current power.Transformed direct current power is after smoothed capacitor 2 is smooth, the inversion that is made of power switch component
The AC power that device 3 is converted to optional frequency is supplied to electric rotating machine 50.Inverter is driven by driving circuit 8.In addition, it is provided with
Temperature detector 9, the temperature information that temperature detector 9 detects are input to control circuit 5, and driving circuit 8 is by considering temperature
The instruction from control circuit 5 of degree information is controlled, and increases and decreases speed.It can utilize what is connect with control circuit 5
Operation display part 7 carries out various settings.
In addition, smoothing capacity device 2 is incorporated in capacitor housing 70, control circuit 5 is incorporated in control circuit board
With in housing 60, being structurally configured in the position far from power inverter housing 30.
Fig. 6 A, Fig. 6 B expression are stored in the storage part of the control circuit in control circuit board, volatile memory
The content of content and nonvolatile memory.Alternatively, it is also possible to not set storage part in control circuit board, but replace
Storage device is installed in outside.
Fig. 6 A are stored in the content in the volatile memory of storage part.In Fig. 6 A, the address of volatile memory
The current carrier frequency CHN of 1001 storages.Carrier frequency refers to the pulsewidth modulation of the output voltage of power inverter output
Switch periods, carrier frequency is higher, and running noise is quieter, but there are calorific values to increase this shortcoming.Especially, pass through
Carrier frequency is set as to the 15kHz or 20kHz of the sense of hearing frequency range more than people, the running noise of motor can will no longer be listened
It arrives, running noise can be greatly reduced.Address 1002 stores inverter and currently the speed of electric rotating machine order (is being exported
Operating frequency) HzN, address 1003 stores output current value (load current value of electric rotating machine) AmN of current inverter.Energy
Enough load conditions that inverter is calculated according to HzN and AmN.Address 1004, which stores to be used as by the value that temperature detecting unit detects, works as
Preceding temperature detection value TeN.Address 1005 is not used in the present embodiment.
1006 storage temperature of address measures the remaining time TN1 of cycle management timer.Address 1007 stores operating condition
Measure the remaining time TN2 of cycle management timer.What is set in setting processing at the time of address 1008 is stored in aftermentioned is current
Moment (elapsed time from the morning 0) TiN.Address 1009 stores the elapsed time TeS from start temperature measure.
The temperature of electric rotating machine and inverter does not change with the load of the moment of temperature detection, but with load shape before this
State adds up and changes.Therefore, address 1101 stores the accumulated value HzS for the command speed that period measurement is measured by operating condition,
Address 1102, which stores, drives value (average value) the i.e. mean converter that accumulated value HzS divided by aftermentioned equalization number AvC are obtained
Dynamic frequency HzA.For current value similarly, address 1201 stores the output current value that period measurement is measured by operating condition
Accumulated value AmS, address 1202 store value (average value) AmA obtained to accumulated value AmS divided by equalization number AvC.
Address 1301 stores to perform the judgement symbol that aftermentioned temperature judges processing when reaching the temperature measuring period
TeF.It is handled not performing temperature judgement processing in the case that TeF is 0 in the case where TeF is 1 into trip temperature judgement.
Fig. 6 B are stored in the content in the nonvolatile memory of storage part.In Fig. 6 B, the ground of nonvolatile memory
Location 2001 stores the mark SLT for judging whether to temperature gradient calculating.In the case where SLT is 0 without temperature ladder
Degree calculates, and is added the result that temperature gradient calculates with the value that temperature detector detects in the case where SLT is 1, to be added
Value is as current temperature detection value.The temperature gradient coefficient T G that address 2002 stores with component materials and changes, address 2003
Store the distance between the center of heating part and the measure place (temperature detecting part) of temperature detector DS.Address 2004 stores root
The temperature reductions TX acquired according to temperature gradient coefficient T G and distance DS calculating.
Address 2011 to address 2013 stores carrier frequency.By grasping the moment, night in order to reduce running noise and
Improve carrier frequency, otherwise outside air temperature in the daytime is higher, carrier frequency is set as relatively low by the period that should preferentially cool down
Inhibit temperature rise, because this address 2011 stores the carrier frequency CHL at night, address 2012 stores common carrier frequency
CHD, address 2013 store carrier frequency CHM in the daytime.
Address 2021 stores cooling capacity (cooling capacity of cooling fan) CoK of electric rotating machine.The rotating speed of cooling fan
Correspondingly change with the rotating speed (command speed of inverter) of electric rotating machine, under a certain range of speeds, constant can be used
K1 utilizes following (formula 1) approximate representation amount of cooling water.
HzA3× CoK × k1 ... formulas 1
In addition, in the entire available range of speeds, it can also be more accurately using high-order term approximation or based on actual measurement to it
Be modified obtained from formula, tables of data etc..
Address 2022 stores temperature-rise coefficient (temperature rise corresponding with load current) WaK of electric rotating machine.Rotation
The temperature rise of rotating motor and inverter changes with output current value (load current value), constant k2 can be used to utilize following
(formula 2) approximate representation temperature rise.
AmA2× WaK × k2 ... formulas 2
Alternatively, it is also possible to more accurately using high-order term it is approximate or obtained from being modified based on actual measurement to them it is public
Formula, tables of data etc..
2031 storage temperature of address measures setting time (the measure period of temperature) TM1 of cycle management timer.Address
2032 storage operating conditions measure setting time (the measure period of operating condition) TM2 of cycle management timer.Address 2033
Store the setting time TeT being measured to from start temperature until carrying out moment judgement.
Address 2101 is stored for the number AvC to command speed, output current value averaging.In the measuring interval of temperature
In the case of TM1 is sufficiently long, the instruction speed in equalizing during number AvC can be set as and carry out 1 time measuring to temperature
Degree is equal with the measure number of output current value.In the case where the measuring interval TM1 of temperature is shorter, equalization number AvC can
Be set as to temperature carry out 1 time measure during in command speed and output current value measure number more than.From being easy to
From the perspective of control, preferably by the command speed in equalizing during number AvC is set as and carries out 1 time measuring to temperature
It is equal with the measure number of output current value, and when measuring number and reaching equalization number AvC storage temperature detected value TeN,
Average value HzA, AmA of command speed and output current reset accumulated value HzS, AmS of command speed and output current value.
(moment 1) judges that processing judges obtained judgement through aftermentioned temperature when address 3011 stores first time temperature detection
Temperature (ambient temperature) T01T, address 3012 store the command speed T01H at moment 1, and address 3013 stores the output electricity at moment 1
Flow valuve T01A.
Temperature measuring cycle T M1 is set in the present embodiment as 60 (60 minutes=1 hours), carries out 72 temperature detections (4320
Minute=72 hours=3 days), therefore the judgement temperature, command speed, output current value at each moment are stored until address 3723.
Especially outdoor layout when temperature Change caused by weather (sunshine) it is larger, so accurately speculating to be protected from weather influences
Moment carries out 72 measure.Therefore, minute (period × number) preferably it is larger preferably, but in view of carry out for the first time
The required time before moment setting, preferably 3 days or so.It is similary to continue periodically to store after moment first time judges
The judgement temperature at each moment, command speed, output current value are implemented moment judgement, and are averaging with the previous judgement moment
For value as the new judgement moment, thus, it is possible to more accurately grasp the moment.Wherein, it is able to what day is judged as in purpose
In the case of, it needs to carry out the measure of 10080 minutes (=168 hours=7 days).
PT1S, ground are carved at the beginning of storing preferential first period (such as morning) for inhibiting temperature rise in address 4001
Location 4002 stores the finish time PT1E of preferential first period for inhibiting temperature rise.Address 4003 stores preferential inhibition temperature
Carve PT2S at dusk at the beginning of spending second period (such as) risen, address 4004, which stores, preferential inhibits the of temperature rise
The finish time PT2E of two periods.On the contrary, address 4101 store it is preferential reduce running noise first period (such as
Night) at the beginning of carve ST1S, address 4102 stores the finish time ST1E of preferential first period for reducing running noise.
ST2S is carved in address 4103 at the beginning of storing preferential second period (such as afternoon) for reducing running noise, and address 4104 is deposited
The finish time ST2E of storage preferential second period for reducing running noise.Accurately to carry out the variation with outside air temperature
In the case of corresponding period setting, preferably be set as wanting to the duration of setting less than half the temperature measuring period, but by
In ambient temperature will not change dramatically, so the temperature measuring period be 30 minutes to 60 minutes or so it is sufficient that.
The storage of address 5001 represents that the moment judges completed mark TJu.Aftermentioned Motor Control setting processing is true
TJu is recognized to be performed after 1 (moment judgement has been completed).
Fig. 7 is the main control process chart by taking pump as an example in the present embodiment.In Fig. 7, carry out in step 100 first
The initialization process of various functions then performs each control of the step 300 to step 800 repeatedly.Temperature is carried out in step 300
Measure processing is spent, in the case where reaching the period for carrying out temperature measuring, carries out being processed so that temperature judgement processing will be held
Row.Operating condition measure processing is carried out in step 400, in the case where reaching the measure period of operating condition, is stored
The processing of command speed and output current value.It is handled in step 500 into trip temperature judgement, according to temperature detection value, instruction speed
Degree and output current value calculating judge temperature (ambient temperature) and are stored.
Moment setting processing is carried out in step 600, according to the phase of multiple temperature determination result (multiple judgement temperature)
Closing property calculates and sets the moment.In step 700 to it is set at the time of with it is pre-stored it is preferential inhibit temperature rise when
It carves or is compared at the time of preferentially reducing running noise, sent out when current time being in and Motor Control to be made to compare usual
In the case of the period for changing, it is changed the processing of Motor Control.
Pump control process is carried out in step 800.It is set by the Motor Control of step 700, even if with identical turn
Also temperature rise can be further suppressed in the case of fast (frequency) operating or further reduces running noise, supplied water.
Fig. 8 is the process chart of the temperature measuring processing 300 in the present embodiment.In Fig. 8, temperature is judged in step 310
Whether the remaining time TN1 for measuring cycle management timer has become 0, and step 311 is advanced to if TN1 is 0.In step
The temperature that temperature detector detects in 311 is stored as to current temperature detection value TeN, in step 312 judges temperature
The execution mark TeF of processing is set as 1 (execution).In step 313, by the remaining time of temperature measuring cycle management timer
TN1 is set as temperature measuring cycle management timer setting value TM1, returns to main control flow.Why in step 313 will
TN1 is set as TM1, is to carry out temperature measuring again after the time of cycle T M1.
In the case that the remaining time TN1 of temperature measuring cycle management timer does not become 0 in the step 310, in step
The remaining time TN1 of temperature measuring cycle management timer is made to count down and store in 314.Later, main control flow is returned.
Fig. 9 is the process chart of the operating condition measure processing 400 in the present embodiment.In Fig. 9, in step 410 into
Whether the remaining time TN2 of row operating condition measure cycle management timer has become 0 judgement, is advanced to if TN2 is 0
Step 411.Speed (command speed, output frequency) HzN that inverter currently indicates electric rotating machine is stored in step 411,
HzN with the accumulated value HzS of command speed is added in step 412, updates HzS.Storage inverter is currently right in step 413
Current value (load current value) AmN of electric rotating machine output, in step 414 by the accumulated value AmS phases of AmN and output current value
Add, update AmS.The remaining time TN2 for setting operating condition measure cycle management timer in step 415 makes it to operate shape
State measures cycle timer setting value TM2, returns to main control flow.Why TN2 is set as TM2 in step 415, be for
Carrying out operating condition measure processing again after the time of cycle T M2.
In the case that the remaining time TN2 of operating condition cycle management timer does not become 0 in step 410, in step
The remaining time TN2 that operating condition measures cycle management timer is made to count down and store in 416.Later, main control stream is returned
Journey.
Figure 10 is that the temperature in the present embodiment judges to handle 500 process chart.In Figure 10, carry out in step 510
Temperature judge processing execution mark TeF whether be 1 (executions) judgement, if TeF be 1 (execution) if advance to step 511,
TeF is return main control flow in the case of 0 (no).In step 511, according to the accumulated value HzS and equalization of command speed
Number AvC utilizes the average value HzA of following (formula 3) computations speed.
HzA=HzS ÷ AvC ... formulas 3
(formula 1) is utilized to calculate amount of cooling water according to the average value HzA of command speed and cooling ratio CoK in step 512.
According to the accumulated value AmS of output current value and equalization number AvC in step 513, output current value is calculated using following (formulas 4)
Average value AmA.
AmA=AmS ÷ AvC ... formulas 4
(formula 2) is utilized to calculate temperature according to the average value AmA of output current and temperature-rise coefficient WaK in the step 514
Ascending amount.The accumulated value HzS of command speed is made to revert to 0 in step 515, makes the cumulative of output current value in step 516
Value AmS reverts to 0.In step 517, according to current temperature detection value TeN and the cooling that (formula 1), (formula 2) is utilized to obtain
Amount, temperature rise use (formula 5) calculating to judge temperature.If judgement is then stored as the judgement temperature at moment 1 for the first time
T01T is spent, if n-th judgement is then stored as the judgement temperature TnT of moment n.
(judging temperature)=TeN- (temperature rise)+(amount of cooling water) ... formula 5
Temperature is judged that the execution mark TeF of processing is set as 0 (no) in step 518, returns to main control flow.
Herein, in the case where having selected calculating temperature gradient (setting value of SLT is 1), not being in step 517 will be warm
The value that degree detector detects considers temperature gradient directly as current temperature detection value TeN, calculating following (formulas 6),
(formula 7).
TG × DS=TX ... formulas 6
(temperature detection value)+TX=TeN ... formulas 7
As shown in figure 11, there are temperature difference, the temperature difference energy between practical heating part and measuring point (temperature detecting part)
It is enough to be counted according to the heat transfer difficulty (temperature gradient coefficient) TG and the distance DS of heating part and measuring point that are determined by the material of component
It calculates.As shown in figure 12, the bigger or temperature gradient coefficient of distance is bigger, then temperature reductions (the temperature of heating part to measuring point
Gradient) it is bigger, temperature detection value and the error of practical calorific value are bigger.By being counted on the basis of temperature gradient is considered
It calculates, the center of heating part and the temperature difference of temperature detecting part that can change to calorific value with electric current are modified, more accurately
Ground calculates current ambient temperature.
The process chart of setting processing 600 at the time of Figure 13 is the present embodiment.In Figure 13, temperature is carried out in step 610
Degree measures the judgement for whether having reached temperature measuring time TeT in elapsed time TeS, and step is advanced in the case where having reached
611, main control flow is returned in the case where being also not up to.It will determine that the data of peak in temperature are considered as in step 611
The data at moment " (by 900 minutes from the morning 0) when afternoon 3 ".In step 612, according to being considered as " when afternoon 3 "
When the difference of the time temperature measuring elapsed time TeS current with it calculates afternoon 0.Such as measure the period be 60 minutes, by regarding
Data for " when afternoon 3 (pass through 900 minutes) " are in the case of being detected in the measure of the 30th time (by 1800 minutes),
Because before 900 minutes that " during the morning 0 " is " when afternoon 3 ", according to following (formulas 8) it is found that being from temperature " during the morning 0 "
At the time of measure has begun to pass through 900 minutes.
1800-900=900 ... formulas 8
In addition, after be " when afternoon 3 " " during the morning 0 " 540 minutes next day, so according to following (formulas 9) it is found that next day
" during the morning 0 " be from temperature measuring begun to pass through 2340 minutes at the time of.As " during the morning 0 " (fiducial time).
1800+540=2340 ... formulas 9
It, can be according to " during the morning 0 " and the measure elapsed time TeS since measuring until current in step 613
(if it is then 60 minutes × 72 times=4320 minutes to measure for 72 times), current time TiN is calculated using following (formulas 10).
4320-2340=1980 ... formulas 10
It is such as following in the case where the solution of (formula 10) is more than 1440 because one day is 1440 minutes (24 hours)
Shown in (formula 11), 1440 are subtracted to it.
1980-1440=540 ... formulas 11
When therefore, it is possible to according to 540 minutes (by 9 hours) is currently had been subjected to, calculate being currently the morning 9.
It will judge that complement mark TJu is set as 1 (completion) constantly in step 614.Temperature measuring is passed through in step 615
It crosses time TeS and reverts to 0, return to main control flow.
Herein, the extracting method as " when afternoon 3 " in step 612 is extracted based on highest judgement temperature, but
Can also be every highest data in the average value of 3 data of 1440 minutes (=24 hours) or can also will most
Low judgement temperature is considered as " during the morning 6 ".It or can also be according to the change point of temperature (from variation is risen to reduce, from reduction
Change to rise) judged.
In the case where the area according to setting or the difference of building understand the feature of temperature in advance, can will sentence
The setup parameter of disconnected temperature preserves in the nonvolatile memory, such as be judged as YES " afternoon 3 when more than the judgement temperature
When " etc..Further, it is possible to preserve summer in the nonvolatile memory to judge that temperature is joined with, winter with 3 of, spring/autumn
Number, judgement temperature is set separately according to season.In this case, the temperature-averaging of 1 week of the detection temperature after such as calculating and setting
Value judges temperature according to the increase and decrease degree of the temperature averages in each week and the temperature averages relative to 3 pre-saved
Departure degree judges season, so as to automatically select judges which of temperature parameter using 3.And then by 4
The temperature averages of a 1 week are averaging to calculate moon temperature-averaging and preserve 12 months temperature-averagings, so as to understand the temperature of 1 year
Mobility scale and passage.Such as such control can be carried out, that is, use the section of the high temperature 30% of the temperature variation range
It is used as the judgement temperature of summer, the section of low temperature 30% is used as the judgement temperature in winter, and intermediate section is used as spring/autumn
Judge temperature etc..
It, can also be in addition, for the control and the preferential control for reducing running noise that preferentially inhibit temperature rise
The time is not converted into when carrying out their switching but is directly judged according to temperature.It for example, can be non-easy more than being stored in
Lose property memory in judgement temperature when, be judged as YES and operate in the daytime, into row major inhibit temperature rise control, and less than
Judge to be judged as YES night operating during temperature, the control of running noise is reduced into row major.And then it can preserve such as 1 week
Detection temperature after the setting of amount simultaneously calculates its temperature averages, the direct judgement which is switched as the control
Value.By using the mean temperature of nearest certain period, the influence of the variation of season or weather can be made to be reflected in judgment value
In.
Figure 14 is the process chart of the Motor Control setting processing 700 of the present embodiment.In Figure 14, step 710 into
The row moment judge complement mark TJu whether be 1 (completion) judgement, if TJu to advance to step 720, TJu if 1 (completion)
Step 763 is advanced in the case of for 0 (unfinished).
In step 720, judging whether current time TiN is PT1S and PT1E --- the PT1S and PT1E are set at
The preferential period for inhibiting temperature rise --- between period, advanced in the case where TiN is between PT1S and PT1E
Step 761, step 730 is then advanced to if not the period between PT1S and PT1E.In step 730, similarly judge
Whether current time TiN is PT2S and PT2E --- the PT2S and PT2E is set at preferentially inhibiting the time of temperature rise
Section --- between period, advance to step 761 in the case where TiN is for PT2S and PT2E between, if not PT2S and
Period between PT2E then advances to step 740.
In step 740, judging whether current time TiN is ST1S and ST1E --- the ST1S and ST1E are set at
The preferential period for reducing running noise --- between period, advanced in the case where TiN is between ST1S and ST1E
Step 762, step 750 is then advanced to if not the period between ST1S and ST1E.In step 750, similarly judge
Whether current time TiN is ST2S and ST2E --- the ST2S and ST2E is set at preferentially reducing the time of running noise
Section --- between period, advance to step 762 in the case where TiN is for ST2S and ST2E between, if not ST2S and
Period between ST2E then advances to step 763.
In the case where advancing to step 761, setting current carrier frequency CHN makes it as carrier frequency CHM in the daytime,
Return to main control flow.In the case where advancing to step 762, setting current carrier frequency CHN makes its carrier wave as night
Frequency CHL returns to main control flow.In the case where advancing to step 763, setting current carrier frequency CHN makes it be logical
Normal carrier frequency CHD returns to main control flow.
Above to illustrate for the electric rotating machine assembly that power inverter etc. is integrally formed on electric rotating machine
The present embodiment.But it's not limited to that for the present embodiment, such as such structure may be used, that is, electric rotating machine turns with electric power
Changing device split is formed, and electric rotating machine is provided with temperature detector near its casing, is detected according to the temperature detector
The temperature of electric rotating machine correspondingly changes the method for controlling rotation of electric rotating machine.As long as measure extraneous gas that is, can not use
The dedicated temperature detector of temperature, but come using the temperature detector for the temperature for measuring power inverter or electric rotating machine
Ambient temperature is grasped, and correspondingly electric rotating machine is controlled according to ambient temperature.
As described above, the present embodiment provides a kind of electric rotating machine assembly, including electric rotating machine, electric rotating machine includes machine
Shell, the stator in casing, fixed rotor on the rotary shaft, the bearing of supporting rotating shaft and the end for installing bearing
Lid is configured with to the power inverter of the stator supply driving current of electric rotating machine in the peripheral part of casing and is turned using electric power
The control circuit board that changing device controls electric rotating machine, the power inverter in power inverter connect with casing
Tactile region is provided with temperature detector, and control circuit board changes electric rotating machine according to the temperature that temperature detector detects
Control method.
Further it is provided that a kind of electric rotating machine, stator, fixation including casing, in the casing are on the rotary shaft
Rotor, supporting rotating shaft bearing and end cap for installing bearing, electric rotating machine rotation control is carried out by power inverter
System, wherein power inverter supply driving current to the stator of electric rotating machine, and temperature detector is provided near casing,
The method of controlling rotation of electric rotating machine changes according to the temperature that temperature detector detects.
Thereby, it is possible to reduce the modular construction for obtaining temperature information, the temperature based on electric rotating machine grasps surrounding temperature
Degree, and correspondingly electric rotating machine can be controlled according to ambient temperature.
Embodiment 2
The present embodiment situation about being illustrated is as follows, that is, the pulsewidth of the output voltage exported by changing power inverter
The frequency modulated mode of modulation, the temperature rise for carrying out electric rotating machine to be controlled to inhibit operating or is suppressed to running noise
Relatively low mute operating.
The present embodiment is implemented, that is, storage will be in the address of the volatile memory shown in Fig. 6 A 1005
Frequency modulated mode PWN set in aftermentioned Motor Control setting processing, current.PWN is two-phase tune in the case of being 0
Mode (two-phase switch) processed, PWN be 1 in the case of be three-phase modulations mode (threephase switch).What is usually carried out is to use inversion
The three-phase modulations of whole three-phases of device, but can reduce calorific value by carrying out two-phase switch.The calorific value of two-phase switch reduces,
But there are running noises to increase the shortcomings that such.
The Motor Control setting processing 700 of the present embodiment is as shown in figure 15.In Figure 15, the moment is carried out in step 720
Judge complement mark TJu whether be 1 (completion) judgement, if TJu to advance to step 720 if 1 (completions), if TJu is 0
(unfinished) then advances to step 766.
In step 720, judging whether current time TiN is PT1S and PT1E --- the PT1S and PT1E are set at
The preferential period for inhibiting temperature rise --- between period, advanced in the case where TiN is between PT1S and PT1E
Step 764, step 730 is then advanced to if not the period between PT1S and PT1E.In step 730, similarly judge
Whether current time TiN is PT2S and PT2E --- the PT2S and PT2E is set at preferentially inhibiting the time of temperature rise
Section --- between period, advance to step 764 in the case where TiN is for PT2S and PT2E between, if not PT2S and
Period between PT2E then advances to step 740.
In step 740, judging whether current time TiN is ST1S and ST1E --- the ST1S and ST1E are set at
The preferential period for reducing running noise --- between period, advanced in the case where TiN is between ST1S and ST1E
Step 765, step 750 is then advanced to if not the period between ST1S and ST1E.In step 750, similarly judge
Whether current time TiN is ST2S and ST2E --- the ST2S and ST2E is set at preferentially reducing the time of running noise
Section --- between period, advance to step 765 in the case where TiN is for ST2S and ST2E between, if not ST2S and
Period between ST2E then advances to step 766.
In the case where advancing to step 764, current frequency modulated mode is set as two-phase modulation system, and (two-phase is opened
Close), return to main control flow.In the case where advancing to step 765, current frequency modulated mode is set as three-phase modulations
Mode (threephase switch) returns to main control flow.In the case where advancing to step 766, do not change frequency modulated mode, return
Main control flow.Herein, do not change frequency modulated mode in step 766, but both can preferentially inhibit temperature rise and be set as
Two-phase modulation system preferentially can also reduce running noise and be set as three-phase modulations mode, that is, preferably according to the environment used
And correspondingly change modulation system.
Furthermore it is possible to the change of the carrier frequency of embodiment 1 is combined in fact with the change of the frequency modulated mode of embodiment 2
It applies, better effect can be obtained by the way that they are combined.
Embodiment 3
The present embodiment is asked for the moment using method same as Example 2, but is not in the address of Fig. 6 B 4001 to address
Preferential period/preferential the period for reducing running noise for inhibiting temperature rise is pre-entered in 4104, but based on address
3011 judge ambient temperature to the judgement temperature at each moment stored in address 3721, in address 4001 to address 4104 from
The dynamic storage ambient temperature high/low period.
According to the present embodiment, due to without predict in advance ambient enviroment and input it is preferential inhibit temperature rise period/
It is preferential to reduce the period of running noise, and be to judge temperature data based on reality and automatically enter the period, therefore
It more accurately can grasp and set the variation of ambient temperature.In addition, in the case where periodically carrying out moment setting, pass through
It makes an uproar in each period/preferential reduction operating for reappraised during moment setting (reset) preferential inhibition temperature rise
The period of sound can carry out considering the control of nearest ambient enviroment always.
Judging preferentially to inhibit period/preferentially reduce running noise of temperature rise based on the judgement temperature at each moment
Period when, a reference value can be preset in the nonvolatile memory, but because ambient temperature average value because of season
Section and it is different, it is advantageous to the average value of the judgement temperature based on each moment stored or intermediate values etc., and base is asked for by operation
Quasi- value.
Embodiment 4
In the present embodiment, not to current time and period/preferential reduction running noise of preferential inhibition temperature rise
Period is compared, but to current temperature detection value with judging that the average value of temperature is compared, to judge being preferential
Inhibit temperature rise or preferential reduction running noise.
The present embodiment and other embodiment the difference is that, with the moment independently to the ambient temperature on the same day in the present embodiment
Be compared with the average value of the judgement temperature of nearest (a few days, such as 3 days), to judge the height of temperature, the present embodiment it is excellent
Point is when with independently causing to be in the presence of that temperature should be inhibited because of certain unexpected external cause round the clock, can to carry out
The control that temperature inhibits.Judge that the average value of temperature similarly to Example 3, can be according to address 3011 to the address 3721 of Fig. 6 B
The judgement temperature at each moment of middle storage calculates average value.It can also set in the nonvolatile memory in advance for preferential
The a reference value of the control inhibited into trip temperature.
The Motor Control setting processing 700 of the present embodiment is as shown in figure 16.In Figure 16, the moment is carried out in step 720
Judge complement mark TJu whether be 1 (completion) judgement, if TJu to advance to step 721 if 1 (completions), TJu is not 0 (not
Complete) in the case of return main control flow.
Carry out in step 721 it is current judge temperature whether be each moment judgement temperature average value more than sentence
It is disconnected, more than for average value in the case of advance to step 761, if be not it is more than average value if advance to step 762.
In the case where advancing to step 761, setting current carrier frequency CHN makes it as carrier frequency CHM in the daytime,
Return to main control flow.In the case where advancing to step 762, setting current carrier frequency CHN makes its carrier wave as night
Frequency CHL returns to main control flow.
Embodiment is illustrated above, but the present invention is not limited to above-described embodiment, including various modifications example.Example
Such as, above-described embodiment is the detailed description for for ease of understanding illustrating the present invention and carrying out, and is not limited to must have institute
The entire infrastructure of explanation.In addition, a part for the structure of some embodiment can be replaced into the structure of other embodiment, also can
Enough structures that other embodiment is added in the structure of some embodiment.Also, a part for the structure for each embodiment, energy
Enough additional, deletions, displacement other structures.
Reference sign
1 ... rectifier, 2 ... smoothing capacity devices, 3 ... inverters, 5 ... control circuits, 7 ... operation displays
Portion, 8 ... driving circuits, 9 ... temperature detectors, 10 ... covers, 11 ... end caps, 20 ... cooling fan covers, 30 ...
Power inverter housing, 31 ... power inverters, 40 ... terminal boards, 50 ... electric rotating machines, 51 ... casings,
52L, 52S ... cooling fins, 53 ... installation planar portions, 54 ... stators, 55 ... rotors, 56 ... rotary shafts,
58 ... centrifugal fans, 60 ... control circuit board housings, 70 ... capacitor housings.
Claims (13)
1. a kind of electric rotating machine assembly including electric rotating machine, the electric rotating machine includes casing, in the casing
Stator, fixed rotor on the rotary shaft, the bearing of the bearing rotary shaft and the end cap for installing the bearing,
The electric rotating machine assembly is configured in the peripheral part of the casing and supplies driving current to the stator of the electric rotating machine
Power inverter and the control circuit board that is controlled using the power inverter the electric rotating machine,
The electric rotating machine assembly is characterized in that：
The region of the power inverter and the chassis contact in the power inverter is provided with temperature detector,
The control circuit board changes the control method of the electric rotating machine according to the temperature that the temperature detector detects.
2. electric rotating machine assembly as described in claim 1, it is characterised in that：
The periphery of the casing is provided with terminal board, noise filter is built-in in the terminal board.
3. electric rotating machine assembly as described in claim 1, it is characterised in that：
There are the planar portions for the power inverter to be configured in the casing, the planar portions are thinner than other parts.
4. electric rotating machine assembly as described in claim 1, it is characterised in that：
The power inverter is configured to, in the rotary axis direction of the casing, the centre bit of the power inverter
It is set to the center of the stator of the electric rotating machine.
5. electric rotating machine assembly as described in claim 1, it is characterised in that：
The temperature adjustmemt that the temperature detector detects is the temperature gradient for considering the casing by the control circuit board
Temperature afterwards is controlled based on the correction value.
6. electric rotating machine assembly as described in claim 1, it is characterised in that：
The control circuit board is controlled to inhibit to be somebody's turn to do in the case where the ambient temperature of the electric rotating machine is higher than specified value
The fever of electric rotating machine.
7. electric rotating machine assembly as described in claim 1, it is characterised in that：
In the case of the average value that the control circuit board is higher than in the ambient temperature of the electric rotating machine in the stipulated time, carry out
Control the fever to inhibit the electric rotating machine.
8. electric rotating machine assembly as described in claim 1, it is characterised in that：
The control circuit board is controlled to inhibit to be somebody's turn to do in the case where the ambient temperature of the electric rotating machine is less than specified value
The running noise of electric rotating machine.
9. electric rotating machine assembly as described in claim 1, it is characterised in that：
In the case of the average value that the control circuit board is less than in the ambient temperature of the electric rotating machine in the stipulated time, carry out
Control the running noise to inhibit the electric rotating machine.
10. electric rotating machine assembly as described in claim 1, it is characterised in that：
Ambient temperature of the control circuit board based on the electric rotating machine changes the output electricity of the power inverter output
Switch periods, that is, carrier frequency of the pulsewidth modulation of pressure.
11. electric rotating machine assembly as described in claim 1, it is characterised in that：
Ambient temperature of the control circuit board based on the electric rotating machine changes the output electricity of the power inverter output
The frequency modulated mode of the pulsewidth modulation of pressure.
12. a kind of electric rotating machine, stator including casing, in the casing, fixed rotor on the rotary shaft, bearing
The bearing of the rotary shaft and the end cap for installing the bearing, it is characterised in that：
The electric rotating machine carries out rotation control by power inverter, wherein the power inverter is to the electric rotating machine
Stator supply driving current,
Temperature detector is provided near the casing,
The method of controlling rotation of the electric rotating machine changes according to the temperature that the temperature detector detects.
13. electric rotating machine as claimed in claim 12, it is characterised in that：
The temperature detector is arranged in the power inverter, the electric rotating machine and the power inverter calorifics
Ground is integrally constituted.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015191817A JP6630525B2 (en) | 2015-09-29 | 2015-09-29 | Rotating electric machine and rotating electric machine assembly |
| JP2015-191817 | 2015-09-29 | ||
| PCT/JP2016/071335 WO2017056652A1 (en) | 2015-09-29 | 2016-07-21 | Rotary electric machine and rotary electric machine assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108141171A true CN108141171A (en) | 2018-06-08 |
| CN108141171B CN108141171B (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680056219.0A Active CN108141171B (en) | 2015-09-29 | 2016-07-21 | Rotating electric machine and rotating electric machine assembly |
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| Country | Link |
|---|---|
| JP (1) | JP6630525B2 (en) |
| CN (1) | CN108141171B (en) |
| WO (1) | WO2017056652A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531978A (en) * | 2019-09-17 | 2021-03-19 | 强文 | Multi-mode adjustable motor system and regulation and control method thereof |
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| US6900609B2 (en) * | 2001-03-14 | 2005-05-31 | Siemens Aktiengesellschaft | Method and control structure for damping low-frequency load oscillations in drives with a motor and load |
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| JP2000009046A (en) * | 1998-06-29 | 2000-01-11 | Kawamoto Pump Mfg Co Ltd | Variable speed pump device |
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| US6900609B2 (en) * | 2001-03-14 | 2005-05-31 | Siemens Aktiengesellschaft | Method and control structure for damping low-frequency load oscillations in drives with a motor and load |
| CN102624157A (en) * | 2011-01-27 | 2012-08-01 | 株式会社日立产机系统 | Electric rotary machine assembly |
| CN104158374A (en) * | 2014-08-21 | 2014-11-19 | 江西工埠机械有限责任公司 | Permanent magnet synchronous motor with stator built-in temperature sensor and fatigue determination method |
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| CN112531978A (en) * | 2019-09-17 | 2021-03-19 | 强文 | Multi-mode adjustable motor system and regulation and control method thereof |
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| Publication number | Publication date |
|---|---|
| WO2017056652A1 (en) | 2017-04-06 |
| CN108141171B (en) | 2021-10-15 |
| JP6630525B2 (en) | 2020-01-15 |
| JP2017070065A (en) | 2017-04-06 |
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