CN104579094B - Motor drive loop - Google Patents
Motor drive loop Download PDFInfo
- Publication number
- CN104579094B CN104579094B CN201310475775.XA CN201310475775A CN104579094B CN 104579094 B CN104579094 B CN 104579094B CN 201310475775 A CN201310475775 A CN 201310475775A CN 104579094 B CN104579094 B CN 104579094B
- Authority
- CN
- China
- Prior art keywords
- motor
- signal
- speed
- rotating speed
- driver element
- 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.)
- Active
Links
Landscapes
- Control Of Multiple Motors (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a motor drive loop which is used for driving a single motor system to ensure that the single motor system can be suitable for a system designed by adopting a plurality of motors. The motor drive loop comprises a drive unit and a signal integrating unit, wherein the drive unit is coupled to a rotating speed control signal generating unit to receive a rotating speed control signal, the drive unit drives one motor to operate according to the rotating speed control signal; the signal integrating unit is coupled to the drive unit, and comprises a memory unit and an arithmetic unit which are mutually coupled, rotating speed information, respectively corresponding to different rotating speed control signals, of the plurality of motors is stored in the memory unit, the arithmetic unit is used for rotating speed values, respectively corresponding to rotating speed control signals received by the drive unit, of the plurality of motors according to the rotating speed control signals received by the drive unit and the rotating speed information in the memory unit so as to generate a plurality of motor rotating speed analog signals.
Description
Technical field
The present invention is that especially one kind is to drive single motor to operate and produce number with regard to a kind of motor driving loop
The motor driving loop of individual rotating speed analog signal.
Background technology
Refer to shown in Fig. 1 and 2, be a kind of existing double motor fan Ft, can apply to host computer, work station, machine
In the middle of the system of electronic box, network communication equipment or other needs radiatings.Double motor fan FtComprising one first motor M1 and
Second motor M2, the first motor M1 and second motor M2 drive respectively one first impeller I1 and one second impeller I2 rotations.
Whereby, for comparing the only fan of single motor, double motor fan FtLarger static pressure and air quantity can be produced, to make
Radiating effect is more excellent.
However, because different system configurations and computing flow can cause that radiating requirements are far from each other, many is designed with
Double motor fan FtCooling system in actual use, and double motor fan F need not be reachedtRadiating efficiency
Running.In the case, if maintaining to arrange double motor fan Ft, except because double motor fan FtIt is furnished with first motor
It is outer that M1 and second motor M2 can cause equipment cost to increase, and the energy that several motors are consumed simultaneously is helpless to the effect of lift system
Can, system operating cost is increased in rain.
In order to solve the above problems, refer to shown in Fig. 3 and 4, be a kind of existing single motor fan F, due to single motor
The size of fan F and structure with double motor fan FtIt is similar, there is dealer to propose to replace the span with single motor fan F then
Up to fan Ft, it is intended to reduce system cost.Only, it is designed with double motor fan FtCooling system running when, it is necessary to receive
The tach signal of the first motor M1 and second motor M2 is confirming double motor fan FtWhether run well.Single motor
Fan F only has single motor M to drive an impeller I to operate, it is impossible to produces the first motor M1 needed for the cooling system and is somebody's turn to do
The tach signal of the second motor M2, it is accordingly, actual that double motor fan F is replaced with single motor fan FtWhen, the cooling system
The tach signal of the first motor M1 and second motor M2 is unable to properly receive, the running shape of single motor fan F will be judged
State exception.
Although copying as signal have in this area the prior art that usually intellectual is familiar with, the double motor fan
FtIn order to reach the effect for lifting static pressure and air quantity, it will usually which it is different that selection makes the first impeller I1 have from second impeller I2
Size and shape equal-specification, therefore the first motor M1 and second motor M2 adopt different rotation speed operations, if simple replicate
The tach signal of single motor fan F, the cooling system will judge the rotating speed exception of single motor fan F.Moreover, if be intended to
Single motor fan F replaces double motor fan Ft, the rotating speed M of the motor of single motor fan F and the first motor M1 or should
The rotating speed of the second motor M2 certainly will difference, therefore cannot develop all the time can replace double motor fan F on the markett's
Single motor fan F products.
In sum, a kind of motor driving loop of offer is needed badly, to drive single motor to operate and produce several turns
Fast analog signal, to simulate the tach signal of each motor of a plural motor fan so that the single motor can be applied to
Adopt several motor designed systems.
The content of the invention
One purpose of the present invention is to provide a kind of motor driving loop, and using a driver element motor running is driven, and
And several motor rotary speed simulation letters are produced according to the speed controling signal that the driver element is received with a signal integration loop
Number, the tach signal of each motor to simulate a plural motor fan causes to adopt by the motor driving loop of the present invention
Can replace the plural motor fan with single motor fan of the motor, with single motor system is applied to plural motor is adopted
Effect of designed system.
It is a further object of the present invention to provide a kind of motor driving loop, by the signal integration loop according to single motor
The tachometer value of the motor of fan, calculates the equivalent tachometer value of each fan for producing the plural motor fan using several as this
Motor rotary speed analog signal so that can be according to several motor rotary speed simulation letters using the control system of the plural motor fan
Number adjustment of rotational speed is carried out to the motor, to confirm whether single motor fan reaches a desired speed, hence with the present invention's
When motor driving loop is with single motor systematic substitution plural number motor designed system, with the work(for keeping monitor speed function
Effect.
To reach aforementioned invention purpose, the present invention with technological means include：
A kind of motor driving loop, comprising：One driver element, is coupled to a speed controling signal generation unit to connect
A speed controling signal is received, the driver element drives a motor running according to the speed controling signal；And a signal is whole
Close unit and be coupled to the driver element, the signal integration unit includes the mnemon and a computing list being mutually coupled
Unit, stores the rotating speed data that several motors correspond to respectively different speed controling signals in the mnemon, the arithmetic element according to
Rotating speed data in the speed controling signal received according to the driver element and the mnemon, calculates several motor difference
To should the tachometer value of speed controling signal that received of driver element, to produce several motor rotary speed analog signals.
Motor driving loop as above, wherein, the speed controling signal generation unit is electrically connected with a control system
The rotating speed of target signal is converted to the fast control signal by system for receiving a rotating speed of target signal, the signal integration list
Unit is electrically connected with the control system, to export several motor rotary speed analog signals to the control system.
Motor driving loop as above, wherein, the driver element includes a pulse width modulation drive circuit, should
Speed controling signal generation unit includes a pulse width modulation signal modulation circuit, to carry out to the rotating speed of target signal
Pulse width modulation, is converted to the rotating speed of target signal speed controling signal and exports to the driver element.
Motor driving loop as above, wherein, the speed controling signal has a dutycycle (Duty Cycle),
Rotating speed data stored by the mnemon is the rotating speed of the several speed controling signals of the motor correspondence with different duty
Value.
Motor driving loop as above, wherein, several motors include first motor and second motor,
Several motor rotary speed analog signals include a first motor rotary speed analog signal and a second motor rotary speed analog signal,
The arithmetic element calculates the dutycycle of the speed controling signal that the driver element is received, and should by capturing in the mnemon
Rotating speed data, using calculate produce first motor to should dutycycle tachometer value as the first motor rotary speed analog signal,
And second motor to should dutycycle tachometer value as the second motor rotary speed analog signal.
Motor driving loop as above, wherein, the motor that the driver element is driven is a single motor fan
Motor, first motor and second motor are the motor of a plural motor fan, and single motor fan is arranged at the control
During system, the signal integration unit exports the first motor rotary speed analog signal and the second motor rotary speed analog signal to the control
System processed is simulating respectively the tach signal of first motor and second motor.
A kind of motor driving loop, comprising：One driver element, is coupled to a speed controling signal generation unit to connect
A speed controling signal is received, the driver element drives a motor running according to the speed controling signal；One rotating speed is calculated
Unit, is coupled to the motor that the driver element driven and is produced with receiving a tach signal, and being calculated according to the tach signal
The tachometer value of the raw motor；And a signal integration unit is coupled to the driver element, the signal integration unit includes phase mutual coupling
The mnemon for connecing and an arithmetic element, store several motors and are equivalent to the driver element institute respectively in the mnemon
During the tachometer value of the motor of driving, the rotating speed of the motor that several other equivalent tachometer values of motor and the driver element are driven
The conversion information of value, the motor that the arithmetic element is driven the driver element according to the conversion information in the mnemon turn
Fast value is scaled respectively the equivalent tachometer value of several motors, to produce several motor rotary speed analog signals.
Motor driving loop as above, wherein, the speed controling signal generation unit is electrically connected with a control system
The rotating speed of target signal is converted to the fast control signal by system for receiving a rotating speed of target signal, the signal integration list
Unit is electrically connected with the control system, to export several motor rotary speed analog signals to the control system.
Motor driving loop as above, wherein, the driver element includes a pulse width modulation drive circuit, should
Speed controling signal generation unit includes a pulse width modulation signal modulation circuit, to carry out to the rotating speed of target signal
Pulse width modulation, is converted to the rotating speed of target signal speed controling signal and exports to the driver element.
Motor driving loop as above, wherein, the motor that the driver element is driven is a single motor fan
Motor, several motors are the motor of a plural motor fan, stored conversion information in the mnemon, according to should
The difference of the wind dispelling power of single motor fan and the plural motor fan, the tachometer value of the motor that the driver element is driven is changed
Calculate the function for needed for each motor of the plural motor fan distinguishes corresponding equivalent tachometer value.
Motor driving loop as above, wherein, several motors include first motor and second motor,
Several motor rotary speed analog signals include a first motor rotary speed analog signal and a second motor rotary speed analog signal,
The arithmetic element by capturing the conversion information in the mnemon, with calculate produce first motor to should driver element driven
The equivalent tachometer value of the tachometer value of dynamic motor, using as the first motor rotary speed analog signal, and calculate generation this second
Motor to should the equivalent tachometer value of the tachometer value of motor that driven of driver element, using as second motor rotary speed simulation letter
Number.
Motor driving loop as above, wherein, when single motor fan is arranged at the control system, the signal integration
Unit exports the first motor rotary speed analog signal and the second motor rotary speed analog signal to the control system to simulate respectively
The rotating speed news of first motor and second motor.
Description of the drawings
Fig. 1 is a kind of outside drawing of existing double motor fan.
Fig. 2 is a kind of sectional view of existing double motor fan.
Fig. 3 is a kind of outside drawing of existing single motor fan.
Fig. 4 is a kind of sectional view of existing single motor fan.
Fig. 5 is the circuit framework figure of the first preferred embodiment of the invention.
Fig. 6 is the internal circuit Organization Chart of the signal integration unit of the first preferred embodiment of the invention.
Fig. 7 is the circuit framework figure of the second preferred embodiment of the invention..
Wherein：
The motor driving loop of 1 motor driving loop 1 '
The speed controling signal generation unit of 11 driver element 12
The mnemon of 13 signal integration unit 131
The speed calculation unit of 132 arithmetic element 14
B control system ω C speed controling signals
The motor rotary speed analog signal of ω rotating speeds analog signal ω 1 first
The motor rotary speed analog signals of ω 2 second
(existing)
Ft double motor fan the first fans of F1
M1 the first motor the first impellers of I1
F2 the second fan the second motors of M2
The mono- motor fans of I2 the second impeller F
M motor I impellers.
Specific embodiment
Be allow the present invention above and other objects, features and advantages can become apparent, it is cited below particularly the present invention compared with
Good embodiment, and coordinate accompanying drawing, it is described in detail below：
" coupling " described in full text of the invention（coupling）, refer between two devices by wired entities, wireless medium
Or its combination（For example：Heterogeneous networking）Etc. mode, allow the two devices mutually to transmit data, be the technical field of the invention
Middle tool usually intellectual is appreciated that.
Refer to shown in Fig. 5, be the motor driving loop 1 of the first preferred embodiment of the invention, the motor driving loop 1 is wrapped
Containing a driver element 11, a speed controling signal generation unit 12 and a signal integration unit 13, the difference coupling of driver element 11
Connect the speed controling signal generation unit 12 and the signal integration unit 13.
Wherein, the driver element 11 is to be electrically connected with a motor M, and the driver element 11 is generally electrically connected with motor M
Motor coil, the motor coil may be selected from single phase winding, two-phase coil or three-phase coil etc..The driver element 11 can be by this
Speed controling signal generation unit 12 receives a speed controling signal ωC, and according to speed controling signal ωCAdjust the horse
Up to the motor coil alternation of the M excitatory cycle, and then control the rotating speed of motor M；The speed controling signal generation unit 12 is then
Control system B can be electrically connected with, control system B can be the basic input and output system of existing host computer or work station
Control panel (the control of system (Basic Input/Output System, BIOS), electromechanical box or network communication equipment
Panel) or other existing cooling systems controller etc., the present invention is not any limitation as.Control system B is intended to adjust this
During the rotating speed of motor M, a rotating speed of target signal will be sent to the speed controling signal generation unit 12, only the rotating speed of target signal
All motor models are not universally practical for, therefore can be turned the rotating speed of target signal using the speed controling signal generation unit 12
It is changed to above-mentioned speed controling signal ωC, and export to the driver element 11.
The driver element 11 need to be designed according to the method for controlling number of revolution of motor M, and for example, presently commercially available fan is wide
General employing pulse width modulation (Pulse Width Modulation, PWM) technology is controlling rotating speed, therefore the driver element 11
A pulse width modulation drive circuit, such as TaiWan, China patent announcement the I340534th " PWM motor drive circuit " can be included
Patent Case discloses a kind of existing pulse width modulation drive circuit, can be used as the driver element 11.Relatively, this turn
Fast control signal generation unit 12 can include a pulse width modulation signal modulation circuit, to be sent to control system B
The rotating speed of target signal for going out carries out pulse width modulation, and the rotating speed of target signal is converted to into speed controling signal ωCAnd
Export to the driver element 11 so that the driver element 11 can according to this control the rotating speed of motor M.In more detail, the control
The rotating speed of target signal that system B is sent can be single magnitude of voltage, and the speed controling signal generation unit 12 is according to the target
Tach signal performs pulse width modulation and produces a square wave voltage signal, using as speed controling signal ωC, the rotating speed control
Signal has a dutycycle (Duty Cycle), and the dutycycle is that the square wave voltage signal is in high potential in single cycle
Time and full-time ratio, are determined by the magnitude of voltage of the rotating speed of target signal.
According to aforementioned techniques concept, the rotating speed that motor M is controlled by pulse width modulation is the affiliated technology of the present invention
Have the prior art that usually intellectual can be readily appreciated that in field, therefore to constitute the pulse width of the driver element 11
Modulation drive circuit and the pulse width modulation signal modulation circuit point to constitute the speed controling signal generation unit 12
Not Ju You various different existing designs, those skilled in the art can freely select according to the actual requirements enforcement, and the present invention is not
As limit.Furthermore, the method for controlling number of revolution of motor M can also be Linear Control or other existing rotating speed control technologies, because
This driver element 11 of the invention is not limited to the circuit framework for possessing pulse width modulation, can turning according to motor M
Speed control method selects suitable circuit, and the speed controling signal generation unit 12 is to coordinate the driver element 11 to design, and uses
Speed controling signal ω suitable for the driver element 11 is converted to the rotating speed of target signal for being sent control system BC。
Please continue with reference to shown in Fig. 5, the signal integration unit 13 is coupled to the driver element 11, can be according to the driver element
The 11 speed controling signal ω for being receivedCTo produce several motor rotary speed analog signals ω, additionally, the signal integration unit 13 can
To be electrically connected with control system B, to export several motor rotary speed analog signals ω.For example, if user is intended at this
In the middle of control system B, the existing double motor fan F shown in Fig. 1 is replaced with the existing single motor fan F shown in Fig. 3t, due to making
With double motor fan FtWhen, control system B must receive the tach signal of the first motor M1 and second motor M2 with
Confirm double motor fan FtWhether when running well, therefore single motor fan F being applied to into control system B, this first
Though the motor driving loop 1 of preferred embodiment only couples single motor M (the motor M of single motor fan F), but the signal
Integral unit 13 must produce two motor rotary speed analog signals ω, and double motor fan F is simulated respectivelytThe first motor M1 and
The tach signal of second motor M2, otherwise control system B will judge the operating state exception of single motor fan F.Wherein,
If the driver element 11 adopts above-mentioned PWM technical controlling double motor fan FtTachometer value, then double motor fan Ft
The first motor M1 and second motor M2 rotating speed to should speed controling signal ωCDutycycle relation Jing actual measurement it is as follows
Shown in table one：
Table one
Please with reference to shown in Fig. 6, the signal integration unit 13 can include the mnemon 131 and one being mutually coupled
Arithmetic element 132, the mnemon 131 can make carbon copies read-only storage by flash memory (flash memory), the electronics formula of erasing
(electrically-erasable programmable road-only memory, EEPROM) or read-only storage
Non-volatility memorizers such as (read-only memory) (nonvolatile memory) is constituted, to store the double motor wind
Fan FtThe first motor M1 and second motor M2 correspond to different speed controling signal ω respectivelyCRotating speed data (such as upper table
One), the arithmetic element 132 is then existing computing circuit, is coupled to the driver element 11 to receive speed controling signal ωC,
Speed controling signal ω is calculated according to thisCDutycycle, and by the mnemon 131 capture upper table one data, with point
Double motor fan F is not found out using control or interpolation methodtThe first motor M1 and the second motor M2 to should dutycycle turn
Speed value.The signal integration unit 13 then using the first motor M1 to should dutycycle tachometer value as one first motor rotary speed mould
Intend signal ω1, using the second motor M2 to should dutycycle tachometer value as one second motor rotary speed analog signal ω2.Example
Such as：If the speed controling signal generation unit 12 is exported to the speed controling signal ω of the driver element 11C, it is whole via the signal
Its dutycycle of calculating of arithmetic element 132 for closing unit 13 is 50%, then the arithmetic element 132 is according to upper table in the mnemon 131
" 13515 " and " 9820 " are set to the first motor rotary speed analog signal ω by one data respectively1And the second motor rotary speed mould
Intend signal ω2。
The signal integration unit 13 is by produced the first motor rotary speed analog signal ω1And the second motor rotary speed mould
Intend signal ω2Export respectively to control system B.Whereby, the first motor rotary speed analog signal ω1And second motor rotary speed
Analog signal ω2Double motor fan F can respectively be simulatedtThe first motor M1 and second motor M2 tach signal so that
Control system B judges that single motor fan F runs well, to enable single motor fan F to replace the double motor wind
Fan FtIt is applied in control system B.
Wherein, the mnemon 131 of the signal integration unit 13 can be the element for only coupling the arithmetic element 132, specially
Data is captured for the arithmetic element 132, for example：When the arithmetic element 132 is an existing computing circuit, the mnemon 131
Can be that one piece of electronics formula of erasing being integrated in the middle of the computing circuit can make carbon copies read-only storage.However, the mnemon 131
Also the arithmetic element 132 and other arithmetic units can be simultaneously coupled, and the mnemon 131 may be located at the signal integration unit
It is comprising an at least physical memory outside 13, for example, when control system B is described BIOS system
The data of (physical memory) needed for store the BIOS system, any entity memory can be used as the mnemon
131.By mnemon 131 in advance by the data write software formula of upper table one to be stored in control system B
It is central, when the arithmetic element 132 completes to calculate speed controling signal ωCDutycycle after, remain able to by control system B
The data of upper table one is captured in interior mnemon 131, to be utilized respectively control or interpolation method double motor fan F is found outt's
First motor M1 and the second motor M2 to should dutycycle tachometer value, and then produce this first and second motor rotary speed simulation letter
Number ω1、ω2。
Additionally, the signal integration unit 13 preferably via the operating state of the driver element 11 judging calculated motor
Whether rotating speed analog signal ω is correct, to decide whether normally to export several motor rotary speed analog signals ω.In detail, the letter
Number integral unit 13 can judge the driver element 11 according to parameters such as the consumption electric currents or operating voltage by the driver element 11
Operating state, for example：When the consumption electric current of the driver element 11 is zero, motor M may be damaged, therefore the signal is whole
Close unit 13 and will judge the operating state exception of the driver element 11, even if the rotating speed received according to the driver element 11 is controlled
Signal ωCRemain able to produce several motor rotary speed analog signals ω, the signal integration unit 13 can select not exporting the number
Individual motor rotary speed analog signal ω is to control system B, or sends by the existing alarming device of warning cresset or buzzer etc.
Information warning, to remind user to note the operating configuration of motor M.
It should be noted that in the middle of the motor driving loop 1 of above-mentioned first preferred embodiment, the signal integration unit 13
The speed controling signal ω that produced several motor rotary speed analog signals ω are received only in accordance with the driver element 11CSetting,
Do not consider the actual speed of single motor fan F, therefore control system B cannot turn according to the reality of single motor fan F
Speed carries out adjustment of rotational speed.In order to improve this shortcoming, refer to shown in Fig. 7, be that the motor of the second preferred embodiment of the invention drives
Loop 1 ', be with the different part of aforementioned first preferred embodiment：The motor driving loop 1 ' additionally comprises a speed calculation unit
14, the speed calculation unit 14 is existing computing circuit, is coupled to a rotating speed detector S of motor M, rotating speed detector S
Can be the existing rotating speed sensing element such as hall sensing element (Hall sensor) or encoder (encoder), to sense this
The actual speed of motor M simultaneously produces a tach signal, the speed calculation unit 14 receive the tach signal calculate generation according to this should
The tachometer value of motor M.The speed calculation unit 14 separately couples the signal integration unit 13, and the tachometer value of motor M is exported
To the arithmetic element 132.
Accordingly, the signal integration unit 13 can be calculated according to the tachometer value of motor M and produce the several motors turn of the generation
Fast analog signal ω.For example, if being equally intended to replace double motor fan F with single motor fan FtIt is applied to the control system
In the middle of system B, then the arithmetic element 132 of the signal integration unit 13 is changed according to the tachometer value of the motor M of single motor fan F
Calculate double motor fan FtThe first motor M1 and the second motor M2 be equivalent to respectively under the tachometer value of motor M, this first
The equivalent tachometer value of motor M1 and the second motor M2, wherein, the tachometer value of motor M and the first motor M1 and second motor
The conversion information of the equivalent tachometer value of M2, during the mnemon 131 can be stored in, so that the arithmetic element 132 is captured
And computing.The corresponding relation of the equivalent tachometer value of the tachometer value of motor M and first motor M1 is as shown in following table two：
Table two
According to single motor fan F and double motor fan FtWind dispelling power difference, by the horse of single motor fan F
Tachometer value up to M is scaled double motor fan FtThe first motor M1 corresponding to equivalent tachometer value, be have in this area
The technological concept that generally skill is readily appreciated that, and via actual measurement single motor fan F and double motor fan FtDrive
Wind-force can be readily available the conversion function of described tachometer value and equivalent tachometer value, separately not repeat for this reason.The arithmetic element
The 132 equivalent tachometer values for calculating the first motor M1 for producing can be used as the first motor rotary speed analog signal ω1, to defeated
Go out to control system B to simulate the tach signal of first motor M, for example：If the tachometer value of motor M is via the tachometer
Calculate unit 14 and be calculated as the 〞 of 〝 11563, then the arithmetic element 132 will calculate and produce the 〞 of 〝 13413 to be set to the first motor rotary speed mould
Intend signal ω1.In the same manner, the arithmetic element 132 can be scaled according to the tachometer value of motor M and be equivalent to double motor fan Ft
The second motor M2 equivalent tachometer value, and be set to the second motor rotary speed analog signal ω2.Whereby, due to first horse
Up to rotating speed analog signal ω1And the second motor rotary speed analog signal ω2Drawn according to the actual speed institute computing of motor M, because
This control system B is possible to according to the first motor rotary speed analog signal ω1And the second motor rotary speed analog signal ω2It is right
Single motor fan F carries out adjustment of rotational speed, to confirm whether single motor fan F reaches a desired speed.
Please continue with reference to shown in table two, the arithmetic element 132 of the signal integration unit 13 still can be by the mnemon 131
In, the first motor M1 is captured to should speed controling signal ωCThe rotating speed to be had, and it is corresponding with first motor M1
The equivalent tachometer value of motor M is compared computing, and to calculate the error amount between the two, the error amount is available for judging with single horse
Replace double motor fan F up to fan FtIt is whether suitable.In other words, if the driver element 11 receives a speed controling signal ωCWith
Drive motor M to operate, the equivalent tachometer value of first motor M1 calculated according to the tachometer value of motor M less than this first
Motor M1 is to should speed controling signal ωCThe rotating speed to be had, and the error amount between the two is more than a predetermined value, represents
The wind dispelling power of single motor fan F may be not enough, and the signal integration unit 13 equally can be by warning cresset or buzzer etc.
Existing alarming device sends warning message, to remind user to note relevant situation.
In sum, motor driving loop 1 of the invention drives a motor M to operate using a driver element 11, and with
The speed controling signal ω that one signal integration loop 13 is received according to the driver element 11CProduce several motor rotary speed simulations
Signal ω, the tach signal of each motor to simulate a plural motor fan.Accordingly, it is driven back to by the motor of the present invention
Road 1 enables to replace the plural motor fan using single motor fan F of motor M, and having really makes single motor system
Effect suitable for adopting plural motor designed system.
The present invention motor driving loop 1 ' signal integration loop 13 according to the motor M of single motor fan F rotating speed
Value, calculates the equivalent tachometer value of each fan for producing the plural motor fan using as several motor rotary speed analog signals
ω so that can be according to several motor rotary speed analog signals ω to motor M using control system B of the plural motor fan
Adjustment of rotational speed is carried out, to confirm whether single motor fan F reaches a desired speed.Accordingly, driven using the motor of the present invention
When loop 1 ' is with single motor systematic substitution plural number motor designed system, have functions that to keep monitor speed function really.
Simply above-described, only presently preferred embodiments of the present invention implements model when limiting the present invention with this
Enclose；Therefore, it is all according to scope of the present invention patent and the simple equivalence changes made of creation description and modification, all should be still
Remain within the scope of the patent.
Claims (6)
1. a kind of motor driving loop, it is characterised in that include：
One driver element, is coupled to a speed controling signal generation unit to receive a speed controling signal, the rotating speed
Control signal has a dutycycle, and the driver element includes a pulse width modulation drive circuit, and according to the rotating speed control
Signal processed drives a motor running, and the speed controling signal generation unit is electrically connected with a control system for receiving one
Rotating speed of target signal, and the rotating speed of target signal is converted to into the speed controling signal, the speed controling signal generation unit bag
A pulse width modulation signal modulation circuit is included, to carry out pulse width modulation to the rotating speed of target signal, by the mesh
Mark tach signal is converted to the speed controling signal and exports to the driver element；And
One signal integration unit is coupled to the driver element, and the signal integration unit includes a mnemon being mutually coupled
And an arithmetic element, the rotating speed data that several motors correspond to respectively different speed controling signals is stored in the mnemon,
The rotating speed data is the tachometer value of the several speed controling signals of the motor correspondence with different duty, and several motors include
One the first motor and second motor, speed controling signal and be somebody's turn to do that the arithmetic element is received according to the driver element
Rotating speed data in mnemon, calculate several motors respectively to should the speed controling signal that received of driver element turn
Speed value, to produce several motor rotary speed analog signals, the signal integration unit is electrically connected with the control system, to export the number
To the control system, several motor rotary speed analog signals include the first motor rotary speed simulation to individual motor rotary speed analog signal
Signal and a second motor rotary speed analog signal, the arithmetic element calculates the speed controling signal that the driver element is received
Dutycycle, and by capturing the rotating speed data in the mnemon, with calculate produce first motor to should dutycycle turn
Speed value as the first motor rotary speed analog signal, and second motor to should dutycycle tachometer value as second horse
Up to rotating speed analog signal.
2. motor driving loop as claimed in claim 1, it is characterised in that the motor that the driver element is driven is a list
The motor of motor fan, first motor and second motor are the motor of a plural motor fan, and single motor fan sets
When being placed in the control system, the signal integration unit exports the first motor rotary speed analog signal and the second motor rotary speed simulation
Signal is to the control system simulating the tach signal of first motor and second motor respectively.
3. a kind of motor driving loop, it is characterised in that include：
One driver element, is coupled to a speed controling signal generation unit to receive a speed controling signal, the rotating speed
Control signal generation unit is electrically connected with a control system for receiving a rotating speed of target signal, and the rotating speed of target is believed
Number the speed controling signal is converted to, the driver element drives the motor running, the motor to be according to the speed controling signal
The motor of one single motor fan；
One speed calculation unit, is coupled to motor that the driver element driven to receive a tach signal, and according to
The tach signal calculates the tachometer value for producing the motor；And
One signal integration unit is coupled to the driver element, and the signal integration unit includes a mnemon being mutually coupled
And an arithmetic element, the rotating speed that several motors are equivalent to respectively the motor that the driver element is driven is stored in the mnemon
During value, the conversion information of the tachometer value of the motor that several other equivalent tachometer values of motor and the driver element are driven should
Several motors are the motor of a several motor fans, single motor fan and several motor fans according to the conversion information
Wind dispelling power difference, the tachometer value of the motor that the driver element is driven is scaled each horse of several motor fans
Function up to needed for corresponding equivalent tachometer value respectively, the arithmetic element drives this according to the conversion information in the mnemon
The tachometer value of the motor that unit is driven is scaled respectively the equivalent tachometer value of several motors, to produce several motor rotary speed moulds
Intend signal, the signal integration unit is electrically connected with the control system, to export several motor rotary speed analog signals to the control
System processed.
4. motor driving loop as claimed in claim 3, it is characterised in that the driver element includes a pulse width modulation
Drive circuit, the speed controling signal generation unit includes a pulse width modulation signal modulation circuit, to the target
Tach signal carries out pulse width modulation, the rotating speed of target signal is converted to into the speed controling signal and is exported to the driving
Unit.
5. motor driving loop as claimed in claim 3, it is characterised in that several motors include first motor and
Individual second motor, several motor rotary speed analog signals include that a first motor rotary speed analog signal and second motor turn
Fast analog signal, the arithmetic element produces first motor to should by capturing the conversion information in the mnemon to calculate
The equivalent tachometer value of the tachometer value of the motor that driver element is driven, using as the first motor rotary speed analog signal, and counts
Calculate produce second motor to should the equivalent tachometer value of the tachometer value of motor that driven of driver element, using as second horse
Up to rotating speed analog signal.
6. motor driving loop as claimed in claim 5, it is characterised in that single motor fan is arranged at the control system
When, the signal integration unit exports the first motor rotary speed analog signal and the second motor rotary speed analog signal to the control system
Unite to simulate the tach signal of first motor and second motor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475775.XA CN104579094B (en) | 2013-10-12 | 2013-10-12 | Motor drive loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475775.XA CN104579094B (en) | 2013-10-12 | 2013-10-12 | Motor drive loop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104579094A CN104579094A (en) | 2015-04-29 |
| CN104579094B true CN104579094B (en) | 2017-05-10 |
Family
ID=53094468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310475775.XA Active CN104579094B (en) | 2013-10-12 | 2013-10-12 | Motor drive loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104579094B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695688B (en) * | 2015-11-13 | 2019-03-15 | 丰民金属工业股份有限公司 | The torque controlling device and its method of electric impact-type tool |
| CN105429554B (en) * | 2015-12-15 | 2017-08-22 | 大连理工大学 | A kind of control method of switch magnetic resistance driving system used for oil extractor |
| CN107018329A (en) * | 2017-04-13 | 2017-08-04 | 小绿草股份有限公司 | Lapse photography system and method |
| TWI671994B (en) * | 2017-05-26 | 2019-09-11 | 茂達電子股份有限公司 | Motor control system and motor control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847526A (en) * | 1996-04-24 | 1998-12-08 | Lasko; William E. | Microprocessor controlled fan |
| CN101051804A (en) * | 2006-04-06 | 2007-10-10 | 台达电子工业股份有限公司 | Motor control device and its setting method |
| TW201218611A (en) * | 2010-06-16 | 2012-05-01 | Eaton Corp | System and method of speed detection in an AC induction machine |
-
2013
- 2013-10-12 CN CN201310475775.XA patent/CN104579094B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847526A (en) * | 1996-04-24 | 1998-12-08 | Lasko; William E. | Microprocessor controlled fan |
| CN101051804A (en) * | 2006-04-06 | 2007-10-10 | 台达电子工业股份有限公司 | Motor control device and its setting method |
| TW201218611A (en) * | 2010-06-16 | 2012-05-01 | Eaton Corp | System and method of speed detection in an AC induction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104579094A (en) | 2015-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106936342B (en) | A kind of blowing device constant air capacity control of multi-motor driving | |
| CN104579094B (en) | Motor drive loop | |
| CN101647193B (en) | Motor control device, its control method, and motor device | |
| CN103828221B (en) | The method and system of motor is controlled with variable switching frequency under variable running speed | |
| KR102009450B1 (en) | Method for constant air volume control by direct power control of pm motor and hvac system applying same | |
| CN105629814B (en) | A kind of constant air capacity control of the electric equipment with exhausting or air blowing function | |
| CN104180858B (en) | A kind of method that blower motor measures air quantity | |
| CN206908538U (en) | Servo motor driving device and system | |
| JP6254276B2 (en) | How to detect fan and motor airflow | |
| CN104395164B (en) | Battery charging system for hybrid construction machinery by using rotational force of fan and charging method therefor | |
| US20120133312A1 (en) | Methods and systems for automatic rotation direction determination of electronically commutated motor | |
| CN103062086B (en) | Radiation system and controlling method thereof | |
| CN104807152B (en) | The constant air capacity control of PM motor direct Power Controls and its HVAC system of application | |
| CN101799337B (en) | Automatic detection method of torque of tooth sockets of permanent magnet synchronous motor | |
| JP2017500470A5 (en) | ||
| CN101232266A (en) | Apparatus and method for controlling direct current brushless motor | |
| CN107672183A (en) | A kind of 3D printer control system based on ARM | |
| CN206023654U (en) | Control system, dynamical system and unmanned vehicle comprising the control system | |
| CN102340269A (en) | Forward and reverse rotation control circuit structure of direct current motor | |
| US7295897B2 (en) | Mapping a plurality of sensors to respective zones in a fan control system | |
| CN102582466B (en) | Wobble compensation of an encoder speed signal for an electric motor | |
| CN106019944B (en) | A kind of Momentum wheels simulator based on adaptive friction moment model | |
| CN106595723A (en) | Vacon variable-frequency drive-based pulse encoder data storage method | |
| CN105278364A (en) | Product specification setting apparatus and fan motor having the same | |
| CN205864299U (en) | Rotating speed aligning gear in the radiator fan motor of electronic installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Applicant after: Jianzhun Electric Motor Industry Co., Ltd. Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1 Applicant before: Jianzhun Electric Motor Industry Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |