CN207368824U - A kind of rotor time constant adjusting apparatus of combination temperature - Google Patents
A kind of rotor time constant adjusting apparatus of combination temperature Download PDFInfo
- Publication number
- CN207368824U CN207368824U CN201721487982.7U CN201721487982U CN207368824U CN 207368824 U CN207368824 U CN 207368824U CN 201721487982 U CN201721487982 U CN 201721487982U CN 207368824 U CN207368824 U CN 207368824U
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- motor
- electric machine
- temperature
- time constant
- machine controller
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Abstract
The utility model provides a kind of rotor time constant adjusting apparatus of combination temperature, including temperature sensor, torque sensing instrument, electric machine controller, motor and motor encoder, output terminal, torque sensing instrument, the motor encoder of the temperature sensor are connected with one end signal of electric machine controller, and the electric machine controller other end is connected with motor signal；The utility model is simple in structure, stability is high, cost is small, pass through temperature sensor, torque sensing instrument, monitoring electric machine operation state in real time, reduce influence of the temperature to rotor time constant, make what is obtained at any temperature all to make torque maximum, compensate for motor work variation with temperature influences rotor time constant.
Description
Technical field
The utility model belongs to Motor Control Field, and dress is adjusted more particularly, to a kind of rotor time constant of combination temperature
Put.
Background technology
AC induction motor, AC asynchronous motor are a kind of electric drives for converting electrical energy into mechanical energy.It
Mainly it is made of stator, rotor and the air gap between them.After leading to three-phase alternating-current supply to stator winding, rotating excitation field is produced
And cutting rotor, obtain torque.With simple in structure, reliable, cheap, overload capacity is strong and use, installation, maintenance
The advantages that facilitating, therefore gradually instead of direct current generator in New-energy electric vehicle control, led in current electric automobile
In domain, dominant position is occupied.
Currently, asynchronous machine is generally using the oriented control based on rotor field, if wherein rotor time constant is set
Fixed inaccuracy, the dynamic and static state performance of motor can be influenced to different extents.The electric machine controller of present electric automobile, greatly
Part of the manufacturer can use the constant rotor time constant of setting value, so as to have ignored the reference quantity such as temperature and magnetic circuit saturation to rotor
Time constant with influence, so that the partial properties of motor can be sacrificed, asynchronous machine can not be given full play to efficiency.
Utility model content
In view of this, the utility model is directed to a kind of simple and practical, when can make up variation with temperature to rotor
Between constant influence combination temperature rotor time constant adjusting apparatus.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of rotor time constant adjusting apparatus of combination temperature, including the control of temperature sensor, torque sensing instrument, motor
Device, motor and motor encoder, the output terminal of the temperature sensor, torque sensing instrument, motor encoder with motor control
One end signal of device connection processed, the electric machine controller other end are connected with motor signal.
Further, temperature-compensation circuit, the temperature are also associated between the temperature sensor and electric machine controller
Compensation circuit is used to reduce measurement error.
Further, it is also associated with analog-to-digital conversion device between the torque sensing instrument and electric machine controller.
Further, the motor encoder is code-disc, and the code-disc output terminal is connected with electric machine controller input terminal, institute
The code-disc stated is used to gather motor speed.
Relative to the prior art, a kind of rotor time constant adjusting apparatus of combination temperature described in the utility model has
Following advantage：
The utility model is simple in structure, stability is high, cost is small, passes through temperature sensor, torque sensing instrument, in real time monitoring
Electric machine operation state, reduces influence of the temperature to rotor time constant, makes what is obtained at any temperature all to make torque maximum,
Compensate for motor work variation with temperature influences rotor time constant.
Brief description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form the improper restriction to the utility model.
In attached drawing：
Fig. 1 is the structure diagram described in the utility model embodiment.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of rotor time constant adjusting apparatus of combination temperature, including temperature sensor, torque sensing
Instrument, electric machine controller, motor and motor encoder, output terminal, torque sensing instrument, the motor encoder of the temperature sensor
It is connected with one end signal of electric machine controller, the electric machine controller other end is connected with motor signal.
Temperature-compensation circuit, the temperature-compensation circuit are also associated between the temperature sensor and electric machine controller
For reducing measurement error；Analog-to-digital conversion device is also associated between the torque sensing instrument and electric machine controller.
The motor encoder is code-disc, and the code-disc output terminal is connected with electric machine controller input terminal, the code
Disk is used to gather motor speed.
The specific implementation process of the utility model：The electric machine controller can real-time monitor motor according to motor code-disc
Rotating speed；Motor Current Temperatures are checked according to motor temperature sensor, then by the motor encoder by motor control
The offline mark of device processed limit motor speed be arranged to Rated motor rotating speed give current of electric and be arranged to rated current of motor, mark
The optimum value of the time constant of rotor under specified temp (medium temperature uses interpolation method) is made, then matches the torsion
The torque value that square sensor is gathered, finds out the corresponding rotor time constant of peak torque, then exports end product, pass through institute
The electric machine controller control motor stated completely imitates work.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (4)
- A kind of 1. rotor time constant adjusting apparatus of combination temperature, it is characterised in that：Including temperature sensor, torque sensing Instrument, electric machine controller, motor and motor encoder, output terminal, torque sensing instrument, the motor encoder of the temperature sensor It is connected with one end signal of electric machine controller, the electric machine controller other end is connected with motor signal.
- A kind of 2. rotor time constant adjusting apparatus of combination temperature according to claim 1, it is characterised in that：Described Temperature-compensation circuit is also associated between temperature sensor and electric machine controller, the temperature-compensation circuit is used to reduce measurement mistake Difference.
- A kind of 3. rotor time constant adjusting apparatus of combination temperature according to claim 1, it is characterised in that：Described Analog-to-digital conversion device is also associated between torque sensing instrument and electric machine controller.
- A kind of 4. rotor time constant adjusting apparatus of combination temperature according to claim 1, it is characterised in that：Described Motor encoder is code-disc, and the code-disc output terminal is connected with electric machine controller input terminal, and the code-disc is used to gather motor Rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487982.7U CN207368824U (en) | 2017-11-09 | 2017-11-09 | A kind of rotor time constant adjusting apparatus of combination temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487982.7U CN207368824U (en) | 2017-11-09 | 2017-11-09 | A kind of rotor time constant adjusting apparatus of combination temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368824U true CN207368824U (en) | 2018-05-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721487982.7U Active CN207368824U (en) | 2017-11-09 | 2017-11-09 | A kind of rotor time constant adjusting apparatus of combination temperature |
Country Status (1)
| Country | Link |
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| CN (1) | CN207368824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863914A (en) * | 2017-11-09 | 2018-03-30 | 天津英捷利汽车技术有限责任公司 | A kind of time constant of rotor of asynchronous machine self-adjusting system |
-
2017
- 2017-11-09 CN CN201721487982.7U patent/CN207368824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863914A (en) * | 2017-11-09 | 2018-03-30 | 天津英捷利汽车技术有限责任公司 | A kind of time constant of rotor of asynchronous machine self-adjusting system |
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