CN105954576A - Input power calculation circuit of motor - Google Patents
Input power calculation circuit of motor Download PDFInfo
- Publication number
- CN105954576A CN105954576A CN201610455406.8A CN201610455406A CN105954576A CN 105954576 A CN105954576 A CN 105954576A CN 201610455406 A CN201610455406 A CN 201610455406A CN 105954576 A CN105954576 A CN 105954576A
- Authority
- CN
- China
- Prior art keywords
- input
- bus
- motor
- branch road
- potential drop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
The invention discloses an input power calculation circuit of a motor. The input power calculation circuit comprises a voltage-dividing sampling branch, an intelligent power module, a current sampling branch and a single-chip microcomputer. DC bus sampling voltages when the motor is at a running state are obtained through the voltage-dividing sampling branch, DC bus sampling currents when the motor is at the running state are obtained through the current sampling branch, and then the single-chip microcomputer, according to the DC bus sampling voltages and the DC bus sampling currents of the motor, calculates real-time input power of the motor. It can be known that the real-time input power of the motor is obtained by use of a direct method, since the DC bus sampling currents and the DC bus sampling currents are not affected from the running state of the motor in the obtaining process, there are no errors for the calculated real-time input power of the motor, the accuracy of adjustment of the input power of the motor is improved, and safety hidden risks brought to a DC power supply of a system by errors conventionally existing in the calculated input power of the motor are effectively avoided.
Description
Technical field
The present invention relates to motor control technology field, in particular, relate to a kind of power input to a machine
Counting circuit.
Background technology
At present, most of motors use the DC source of system to power, and the output of DC source is usual
There is certain restriction, when power input to a machine exceedes the output of DC source, it will cause
The damage of DC source, it also occur that security incident time serious, therefore carries out reality to power input to a machine
Limit is most important with the reliably working ensureing DC source.
That power input to a machine is limited it is crucial that how to obtain power input to a machine.The most right
The acquisition of power input to a machine typically uses indirect method, i.e. according to the running efficiency of motor, substantially rolls over
Calculate power input to a machine, the most again power input to a machine is limited.Owing to motor is transported in difference
Under row state, its running efficiency is not consistent, therefore, causes being calculated power input to a machine and exists very
Big error, and then cause the power that actually enters regulating rear motor to deviate preset input power, to system
DC source brings potential safety hazard.
Summary of the invention
In view of this, the open a kind of power input to a machine counting circuit of the present invention, to solve because of calculating
To power input to a machine there is error and be the problem of the potential safety hazard that the DC source of system brings.
A kind of counting circuit of power input to a machine, including:
Input is connected with dc bus, for DC bus-bar voltage is carried out dividing potential drop sampling, obtains motor
The dividing potential drop sampling branch road of dc bus sampled voltage when being in operating condition, described dividing potential drop sampling branch road
Earth terminal ground connection；
Input is connected with described dc bus, for being converted into by the unidirectional current that described dc bus exports
The SPM of the alternating current that motor can utilize, the first outfan of described SPM is even
Connect described motor；
Input is connected with the second outfan of described SPM, for entering DC bus current
Row sampling, obtains the current sample branch road of dc bus sample rate current when described motor is in operating condition；
Input respectively with described dividing potential drop sample the outfan of branch road, the outfan of described current sample branch road
Connect, be used for obtaining described dc bus sampled voltage and described dc bus sample rate current, and according to institute
State dc bus sampled voltage and described dc bus sample rate current, be calculated the most defeated of described motor
Entering the single-chip microcomputer of power, the outfan of described single-chip microcomputer connects the control end of described SPM.
Preferably, described pressure sampling circuit includes: the first dividing potential drop branch road, the second dividing potential drop branch road and first
Analog-digital converter；
The input of described first dividing potential drop branch road is connected with described dc bus, described first dividing potential drop branch road
Outfan connects earth terminal by described second dividing potential drop branch road；
The input of described first analog-digital converter connects described first dividing potential drop branch road and described second dividing potential drop is propped up
The common port on road, the outfan of described first analog-digital converter connects the input of described single-chip microcomputer.
Preferably, described first dividing potential drop branch road includes a sampling resistor or multiple sampling electricity being connected in series
Resistance.
Preferably, also include: the first filter capacitor；
Described first filter capacitor is connected in the two ends of described second dividing potential drop branch road in parallel.
Preferably, described current sample branch road includes:
The first sampling resistor that one end is connected with the second outfan of described SPM, described first
The other end of sampling resistor connects earth terminal；
Input is connected with the common port of described first sampling resistor and described SPM, for right
The filter circuit that the sample rate current that described first sampling resistor collects is filtered；
Input is connected with the outfan of described filter circuit, for putting filtered sample rate current
Big process, obtains the amplifying circuit of described dc bus sample rate current；
Input is connected with the outfan of described amplifying circuit, and outfan is connected with described single-chip microcomputer, is used for
Described dc bus sample rate current is converted into by analogue signal the second analog-digital converter of digital signal.
Preferably, described filter circuit is passive filter circuit.
Preferably, described passive filter circuit includes: the first resistance and the second filter capacitor；
One end of described first resistance connects the public of described first sampling resistor and described SPM
End, the other end of described first resistance by described second filter capacitor connect earth terminal, described first
The common port of resistance and described second filter capacitor connects the input of described amplifying circuit.
Preferably, described filter circuit is active filter circuit.
Preferably, described single-chip microcomputer is additionally operable to enter described real-time input power with default power input to machine
Row compares, when described real-time input power is less than described default power input to machine, then according to load need
Seek the PWM duty cycle that output is increased or decreased accordingly, so that the rotating speed of described motor is increased or decreased, make institute
State real-time input power and be eventually equal to described default power input to machine；When described real-time input power is equal to
During described default power input to machine, then keep or reduce the PWM duty of output accordingly according to loading demand
Ratio, to keep or to reduce the rotating speed of described motor, makes described real-time input power be eventually equal to described presetting
Power input to machine；When described real-time input power is more than described default power input to machine, then reduce
The PWM duty cycle of output, to reduce the rotating speed of described motor, makes described real-time input power eventually equal to
Described default power input to machine.
From above-mentioned technical scheme it can be seen that the invention discloses a kind of power input to a machine to calculate electricity
Road, including dividing potential drop sampling branch road, SPM, current sample branch road and single-chip microcomputer, passes through dividing potential drop
Sampling branch road obtains dc bus sampled voltage when motor is in operating condition, by current sample branch road
Obtaining dc bus sample rate current when motor is in operating condition, then single-chip microcomputer is according to the direct current of motor
Bus sampled voltage and dc bus sample rate current are calculated the real-time input power of motor.It follows that
The present invention uses direct method to obtain the real-time input power of motor, owing to the dc bus of motor is sampled electric
Pressure and dc bus sample rate current are not affected by motor operating state, therefore in acquisition process so that
There is not error in the real-time input power of calculated motor, thus improves power input to a machine
The accuracy of regulation, effectively prevent because of calculate to power input to a machine there is error and be system
The potential safety hazard brought of DC source.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to disclosed accompanying drawing.
Fig. 1 is the counting circuit figure of a kind of power input to a machine disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
The embodiment of the invention discloses a kind of power input to a machine counting circuit, to solve because of arriving of calculating
Power input to a machine there is error and be the problem of the potential safety hazard that the DC source of system brings.
See Fig. 1, the counting circuit figure of a kind of power input to a machine disclosed in the embodiment of the present invention, including:
Dividing potential drop sampling branch road 11, SPM (Intelligent Power Module, IPM) 12, electric current
Sampling branch road 13 and single-chip microcomputer 14.
Wherein, the input of dividing potential drop sampling branch road 11 is connected with dc bus, connecing of dividing potential drop sampling branch road 11
Ground end ground connection, dividing potential drop sampling branch road 11, for DC bus-bar voltage is carried out dividing potential drop sampling, obtains at motor
Dc bus sampled voltage when operating condition.
The input of IPM12 is connected with described dc bus, and first outfan of IPM12 connects motor 10,
IPM12 is for being converted into, by the unidirectional current that described dc bus exports, the alternating current that motor 10 can utilize.
It should be noted that IPM12 is the device for power switching of a kind of advanced person, there is GTR (high-power crystalline substance
Body pipe) high current density, low saturation voltage and high voltage bearing advantage, and field-effect transistor height input
Impedance, high switching frequency and the advantage of low driving power.And IPM12IPM has been internally integrated logic, control
System, detection and protection circuit, be easy to use, not only reduce volume and the development time of system,
Also greatly strengthen the reliability of system.
The input of current sample branch road 13 is connected with second outfan of IPM12, current sample branch road 13
For DC bus current Ibus is sampled, obtain dc bus when motor 10 is in operating condition and adopt
Sample electric current.
The input of single-chip microcomputer 14 respectively with the dividing potential drop sampling outfan of branch road 11, current sample branch road 13
Outfan connects, and the outfan of single-chip microcomputer 14 connects the control end of IPM12, and single-chip microcomputer 14 is used for obtaining dividing potential drop
The dc bus sampled voltage of sampling branch road 11 output and the dc bus sampling of current sample branch road 13 output
Electric current, and according to described dc bus sampled voltage and described dc bus sample rate current, it is calculated electricity
The real-time input power of machine 10.
In summary, compared to existing technologies, the present invention uses direct method to obtain the most defeated of motor
Enter power, due to the dc bus sampled voltage of motor and dc bus sample rate current in acquisition process not
Affected by motor operating state, therefore so that the real-time input power of calculated motor does not exists
Error, thus improve the accuracy to power input to a machine regulation, effectively prevent because of arriving of calculating
Power input to a machine there is error and be the potential safety hazard brought of the DC source of system.
Dividing potential drop sampling branch road 11 in above-described embodiment specifically includes: the first dividing potential drop branch road 111, second point
Pressure branch road 112 and the first analog-digital converter (A/D converter) 113；
Wherein, the input of the first dividing potential drop branch road 111 is connected with dc bus, the first dividing potential drop branch road 111
Outfan connect earth terminal by the second dividing potential drop branch road 112；
The input of the first analog-digital converter 113 connects the first dividing potential drop branch road 111 and the second dividing potential drop branch road 112
Common port, the outfan of the first analog-digital converter 113 connects the input of single-chip microcomputer 14.
DC bus-bar voltage Vbus is entered by the present invention by the first dividing potential drop branch road 111 and the second dividing potential drop branch road 112
Row dividing potential drop is sampled, and the voltage of the second dividing potential drop branch road 112 of collection is i.e. that the direct current of DC bus-bar voltage Vbus is female
Line sampled voltage, this dc bus sampled voltage is converted into recklessly by analogue signal through the first analog-digital converter 113
It is admitted to single-chip microcomputer 14 after subsignal and carries out data process.
It should be noted that the first dividing potential drop branch road 111 can include a sampling resistor or multiple be connected in series
Sampling resistor.
The voltage signal collected due to the first dividing potential drop branch road 111 is high-voltage signal, and therefore, the first dividing potential drop is propped up
The power dissipation ratio on road 111 is relatively big, for avoiding a sampling resistor cannot bear excessive power consumption, the first dividing potential drop branch road
111 the most multiple sampling resistors being connected in series, such as, shown in Fig. 1, the first dividing potential drop branch road 111 includes string
Sampling resistor R1, sampling resistor R2 and the sampling resistor R3 that connection connects.
Second dividing potential drop branch road 112 can select a sampling resistor, such as, shown in Fig. 1, the second dividing potential drop is propped up
Road 112 includes sampling resistor R4.
Assume that dc bus sampled voltage is u, then single-chip microcomputer 14 according to dc bus sampled voltage be u and
Sampling resistor R1, sampling resistor R2, sampling resistor R3 and sampling resistor R4 are calculated DC bus-bar voltage
The formula of Vbus is: Vbus=[u × (R1+R2+R3+R4)]/R4, wherein, is calculated dc bus
Voltage Vbus is i.e. the DC bus-bar voltage of motor 10, and this DC bus-bar voltage is virtual value.
For optimizing above-described embodiment further, dividing potential drop sampling branch road 11 also includes: the first filter capacitor
C1；
First filter capacitor C1 is connected in the two ends of the second dividing potential drop branch road 112 in parallel, for female to direct current
Line sampled voltage is filtered processing, and filters the high-frequency interferencing signal in dc bus sampled voltage, in order to
Process in follow-up single-chip microcomputer 14 data.
Current sample branch road 13 in above-described embodiment includes: the first sampling resistor Rs, filter circuit 131,
Amplifying circuit GA and the second analog-digital converter (A/D converter) 132.
Wherein, one end of the first sampling resistor Rs is connected with second outfan of IPM12, the first sampling resistor
The other end of Rs connects earth terminal.
The input of filter circuit 131 and the common port of the first sampling resistor Rs and IPM12 connect, filtered electrical
Road 131 is filtered for the sample rate current collecting the first sampling resistor Rs.
It should be noted that filter circuit 131 can be passive filter circuit, or active filter circuit,
When filter circuit 131 is passive filter circuit, comprising: the first resistance R5 and the second filter capacitor
C2；
One end of first resistance R5 connects the common port of the first sampling resistor Rs and IPM12, the first resistance
The other end of R5 connects earth terminal, the first resistance R5 and the second filtered electrical by the second filter capacitor C2
The common port of container C2 connects the input of amplifying circuit GA.
The input of amplifying circuit GA is connected with the outfan of filter circuit 131, and amplifying circuit GA is for right
Filtered sample rate current carries out method process, obtains dc bus sample rate current.
The input of the second analog-digital converter 132 is connected with the outfan of amplifying circuit GA, and the second modulus turns
The outfan of parallel operation 132 is connected with single-chip microcomputer 14, and the second analog-digital converter 132 is for by described dc bus
Sample rate current is converted into digital signal by analogue signal.
In the present invention, by the first sampling resistor Rs, DC bus current Ibus is sampled, sampled
Electric current, wherein, sample rate current is carried out with the form of sampled voltage (voltage of the i.e. first sampling resistor Rs)
Representing, sample rate current is filtered, owing to DC bus current Ibus is electric current warp by filter circuit 131
Cross and formed after copped wave, therefore, the sample rate current utilizing the first sampling resistor Rs to obtain be one discontinuous
Current signal, this sample rate current is filtered by filter circuit 131, can be stable at some numerical value (its
In, the effect functioning as Software Integration link of filter circuit 131), in order to follow-up single-chip microcomputer 14
Carry out data process.Owing to sample rate current is fainter, therefore this sample rate current needs to pass through amplifying circuit
GA is amplified processing, and obtains dc bus sample rate current, and dc bus sample rate current passes through the second modulus
After transducer 132 is converted into digital signal by analogue signal, it is transported to single-chip microcomputer 14 and carries out data process.
Assuming that the voltage that dc bus sample rate current is corresponding is u1, the amplification of amplifying circuit GA is A,
Then single-chip microcomputer 14 is A according to dc bus sample rate current u1, amplification and the first sampling resistor Rs calculates
Formula to DC bus current Ibus is: Ibus=u1/ (A × Rs), wherein, and calculated direct current
Bus current Ibus is i.e. the DC bus current of motor 10, and this DC bus current is virtual value.
Single-chip microcomputer 14 is calculated motor 10 according to DC bus-bar voltage Vbus and DC bus current Ibus
The computing formula of input power P is: P=Vbus × Ibus=[u*u1* (R1+R2+R3+R4)]/
(R4*A*Rs)。
After single-chip microcomputer 14 is calculated input power P of motor 10, defeated by by motor 10 of single-chip microcomputer 14
Enter power P to compare with default power input to machine, and control IPM12 internal switch based on comparative result
The opening and closing of pipe, make motor 10 rotate accordingly and stop, it is achieved to input power P of motor 10
Regulation in real time.
Therefore, for optimizing above-described embodiment further, it is the most defeated that single-chip microcomputer 14 is additionally operable to motor 10
Enter power to compare with default power input to machine, when described real-time input power is less than described default electricity
During machine input power, then the PWM duty cycle of output is increased or decreased accordingly according to loading demand, to increase
Or reduce the rotating speed of described motor, make described real-time input power be eventually equal to described default motor input work
Rate；When described real-time input power is equal to described default power input to machine, then according to loading demand phase
Should keep or reduce the PWM duty cycle of output, to keep or to reduce the rotating speed of described motor, make described reality
Time input power be eventually equal to described default power input to machine；When described real-time input power is more than described
When presetting power input to machine, then reduce the PWM duty cycle of output, to reduce the rotating speed of described motor,
Described real-time input power is made to be eventually equal to described default power input to machine.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like
It is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires
Or imply relation or the order that there is any this reality between these entities or operation.And, art
Language " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, thus
Make to include that the process of a series of key element, method, article or equipment not only include those key elements, and
Also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that person's equipment is intrinsic.In the case of there is no more restriction, by statement " including ... "
The key element limited, it is not excluded that also deposit in including the process of described key element, method, article or equipment
In other identical element.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (9)
1. the counting circuit of a power input to a machine, it is characterised in that including:
Input is connected with dc bus, for DC bus-bar voltage is carried out dividing potential drop sampling, obtains motor
The dividing potential drop sampling branch road of dc bus sampled voltage when being in operating condition, described dividing potential drop sampling branch road
Earth terminal ground connection；
Input is connected with described dc bus, for being converted into by the unidirectional current that described dc bus exports
The SPM of the alternating current that motor can utilize, the first outfan of described SPM is even
Connect described motor；
Input is connected with the second outfan of described SPM, for entering DC bus current
Row sampling, obtains the current sample branch road of dc bus sample rate current when described motor is in operating condition；
Input respectively with described dividing potential drop sample the outfan of branch road, the outfan of described current sample branch road
Connect, be used for obtaining described dc bus sampled voltage and described dc bus sample rate current, and according to institute
State dc bus sampled voltage and described dc bus sample rate current, be calculated the most defeated of described motor
Entering the single-chip microcomputer of power, the outfan of described single-chip microcomputer connects the control end of described SPM.
Counting circuit the most according to claim 1, it is characterised in that described pressure sampling circuit bag
Include: the first dividing potential drop branch road, the second dividing potential drop branch road and the first analog-digital converter；
The input of described first dividing potential drop branch road is connected with described dc bus, described first dividing potential drop branch road
Outfan connects earth terminal by described second dividing potential drop branch road；
The input of described first analog-digital converter connects described first dividing potential drop branch road and described second dividing potential drop is propped up
The common port on road, the outfan of described first analog-digital converter connects the input of described single-chip microcomputer.
Counting circuit the most according to claim 2, it is characterised in that described first dividing potential drop branch road bag
Include a sampling resistor or multiple sampling resistor being connected in series.
Counting circuit the most according to claim 2, it is characterised in that also include: the first filtered electrical
Container；
Described first filter capacitor is connected in the two ends of described second dividing potential drop branch road in parallel.
Counting circuit the most according to claim 1, it is characterised in that described current sample branch road bag
Include:
The first sampling resistor that one end is connected with the second outfan of described SPM, described first
The other end of sampling resistor connects earth terminal；
Input is connected with the common port of described first sampling resistor and described SPM, for right
The filter circuit that the sample rate current that described first sampling resistor collects is filtered；
Input is connected with the outfan of described filter circuit, for putting filtered sample rate current
Big process, obtains the amplifying circuit of described dc bus sample rate current；
Input is connected with the outfan of described amplifying circuit, and outfan is connected with described single-chip microcomputer, is used for
Described dc bus sample rate current is converted into by analogue signal the second analog-digital converter of digital signal.
Counting circuit the most according to claim 5, it is characterised in that described filter circuit is passive
Filter circuit.
Counting circuit the most according to claim 6, it is characterised in that described passive filter circuit bag
Include: the first resistance and the second filter capacitor；
One end of described first resistance connects the public of described first sampling resistor and described SPM
End, the other end of described first resistance by described second filter capacitor connect earth terminal, described first
The common port of resistance and described second filter capacitor connects the input of described amplifying circuit.
Counting circuit the most according to claim 5, it is characterised in that described filter circuit is active
Filter circuit.
Counting circuit the most according to claim 1, it is characterised in that described single-chip microcomputer be additionally operable to by
Described real-time input power compares with default power input to machine, when described real-time input power is less than
During described default power input to machine, then the PWM duty of output is increased or decreased accordingly according to loading demand
Ratio, so that the rotating speed of described motor is increased or decreased, makes described real-time input power be eventually equal to described presetting
Power input to machine；When described real-time input power is equal to described default power input to machine, then basis
Loading demand keeps accordingly or reduces the PWM duty cycle of output, to keep or to reduce turning of described motor
Speed, makes described real-time input power be eventually equal to described default power input to machine；When described real-time input
When power is more than described default power input to machine, then reduce the PWM duty cycle of output, described to reduce
The rotating speed of motor, makes described real-time input power be eventually equal to described default power input to machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610455406.8A CN105954576A (en) | 2016-06-20 | 2016-06-20 | Input power calculation circuit of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610455406.8A CN105954576A (en) | 2016-06-20 | 2016-06-20 | Input power calculation circuit of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105954576A true CN105954576A (en) | 2016-09-21 |
Family
ID=56903566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610455406.8A Pending CN105954576A (en) | 2016-06-20 | 2016-06-20 | Input power calculation circuit of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105954576A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362937A (en) * | 2018-02-27 | 2018-08-03 | 郑州云海信息技术有限公司 | A kind of input power circuit for detecting and POL |
| CN108614150A (en) * | 2016-12-13 | 2018-10-02 | 现代自动车株式会社 | Method for estimating the power consumption of motor in fuel cell system |
| CN109633259A (en) * | 2019-01-21 | 2019-04-16 | 蓝海智能科技有限公司 | A kind of brushless electrical power detection method |
| CN110007118A (en) * | 2019-04-17 | 2019-07-12 | 南京优倍电气有限公司 | For the aging of product and the electric supply system of reliability test |
| CN110850160A (en) * | 2019-11-05 | 2020-02-28 | 普联技术有限公司 | Method and device for measuring power consumption of LED lighting device and storage medium |
| CN112821849A (en) * | 2021-01-22 | 2021-05-18 | 毛薇薇 | Motor control device and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040124808A1 (en) * | 2002-12-26 | 2004-07-01 | Daisuke Hirono | Motor control system |
| CN202837370U (en) * | 2012-09-24 | 2013-03-27 | 北京天诚同创电气有限公司 | Voltage measuring circuit with functions of electrical isolation and electromagnetic interference suppression |
| CN103248285A (en) * | 2013-05-17 | 2013-08-14 | 上海电机学院 | Driver special for direct current motor |
| CN103308761A (en) * | 2013-05-24 | 2013-09-18 | 中国矿业大学 | Wireless sensing device and measuring method for instantaneous input power of lifting motor |
| CN103913629A (en) * | 2014-03-31 | 2014-07-09 | 广东威灵电机制造有限公司 | Device for detecting direct current busbar current and control system of motor with the same |
| CN204681284U (en) * | 2015-06-02 | 2015-09-30 | 扬州大劲电机制造有限公司 | A kind of two-phase motor frequency-changing control system based on DSP |
| CN105515473A (en) * | 2016-01-26 | 2016-04-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Current control method and device for direct-current draught fan |
| CN205691660U (en) * | 2016-06-20 | 2016-11-16 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of power input to a machine counting circuit |
-
2016
- 2016-06-20 CN CN201610455406.8A patent/CN105954576A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040124808A1 (en) * | 2002-12-26 | 2004-07-01 | Daisuke Hirono | Motor control system |
| CN202837370U (en) * | 2012-09-24 | 2013-03-27 | 北京天诚同创电气有限公司 | Voltage measuring circuit with functions of electrical isolation and electromagnetic interference suppression |
| CN103248285A (en) * | 2013-05-17 | 2013-08-14 | 上海电机学院 | Driver special for direct current motor |
| CN103308761A (en) * | 2013-05-24 | 2013-09-18 | 中国矿业大学 | Wireless sensing device and measuring method for instantaneous input power of lifting motor |
| CN103913629A (en) * | 2014-03-31 | 2014-07-09 | 广东威灵电机制造有限公司 | Device for detecting direct current busbar current and control system of motor with the same |
| CN204681284U (en) * | 2015-06-02 | 2015-09-30 | 扬州大劲电机制造有限公司 | A kind of two-phase motor frequency-changing control system based on DSP |
| CN105515473A (en) * | 2016-01-26 | 2016-04-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Current control method and device for direct-current draught fan |
| CN205691660U (en) * | 2016-06-20 | 2016-11-16 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of power input to a machine counting circuit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614150A (en) * | 2016-12-13 | 2018-10-02 | 现代自动车株式会社 | Method for estimating the power consumption of motor in fuel cell system |
| CN108362937A (en) * | 2018-02-27 | 2018-08-03 | 郑州云海信息技术有限公司 | A kind of input power circuit for detecting and POL |
| CN109633259A (en) * | 2019-01-21 | 2019-04-16 | 蓝海智能科技有限公司 | A kind of brushless electrical power detection method |
| CN110007118A (en) * | 2019-04-17 | 2019-07-12 | 南京优倍电气有限公司 | For the aging of product and the electric supply system of reliability test |
| CN110850160A (en) * | 2019-11-05 | 2020-02-28 | 普联技术有限公司 | Method and device for measuring power consumption of LED lighting device and storage medium |
| CN112821849A (en) * | 2021-01-22 | 2021-05-18 | 毛薇薇 | Motor control device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105954576A (en) | Input power calculation circuit of motor | |
| CN105356734B (en) | It is a kind of that the Buck circuit power managing chips containing ripple compensation are controlled based on COT | |
| CN203026904U (en) | Over-current protection circuit and PFC (power factor correction) control circuit with same | |
| WO2015165286A1 (en) | Relay protection method and device against lc parallel circuit detuning faults | |
| CN207198238U (en) | Mains frequency detects circuit | |
| CN103675421A (en) | Power burr signal detection circuit and detection method thereof | |
| CN107086763A (en) | Bimodulus Switching Power Supply | |
| CN107147318A (en) | A kind of parallel operation system output power balance control system | |
| CN110076421A (en) | Fast frequency pulse TIG welding based on SiC connects power supply digital control circuit | |
| CN205691660U (en) | A kind of power input to a machine counting circuit | |
| CN206117500U (en) | PFC circuit, PFC control circuit and switching power supply | |
| CN209559957U (en) | A kind of steering engine current detection circuit and system | |
| CN104181383A (en) | Three-phase power grid voltage synchronous detection circuit | |
| CN209516620U (en) | A kind of output protection circuit of DC power supply | |
| CN104638939B (en) | A kind of control method for suppressing the vibration of matrix converter input side | |
| CN207083007U (en) | A kind of Average Current Control circuit | |
| CN207234388U (en) | A kind of novel bus current foldback circuit | |
| CN205920126U (en) | Detection apparatus for real -time supervision fan speed | |
| CN107706945A (en) | A kind of system for suppressing inverter parallel system disturbance | |
| CN208674892U (en) | A kind of new-energy automobile accumulator cell charging and discharging monitoring system | |
| CN107192896A (en) | Measurement apparatus for High voltage power frequence electric field | |
| WO2018068278A1 (en) | Power connection device and power control system | |
| CN208874468U (en) | A kind of non-bridge PFC charging circuit | |
| CN208241567U (en) | A kind of submersible motor power conditioner | |
| CN207442468U (en) | A kind of system for inhibiting inverter parallel system disturbance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
|
| RJ01 | Rejection of invention patent application after publication |