CN205679744U - A kind of measurement apparatus of the screw parameter of electric machine - Google Patents
A kind of measurement apparatus of the screw parameter of electric machine Download PDFInfo
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- CN205679744U CN205679744U CN201620525699.8U CN201620525699U CN205679744U CN 205679744 U CN205679744 U CN 205679744U CN 201620525699 U CN201620525699 U CN 201620525699U CN 205679744 U CN205679744 U CN 205679744U
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Abstract
The utility model discloses the measurement apparatus of a kind of screw parameter of electric machine, including bracing frame, support baseboard, measuring mechanism and calculating processing center；The upper surface of bracing frame is connected with support baseboard；Measuring mechanism is arranged on support baseboard.Measuring mechanism at least includes motor mechanism, horizontal pressure and torque measuring mechanism, drag compensation mechanism, calculates processing center and includes data acquisition unit and data analysis unit.The utility model is capable of the measurement than the more comprehensive screw parameter of electric machine, there is provided the more comprehensive screw parameter of electric machine reference of ratio for many rotor wing unmanned aerial vehicles, and rely on computer control in measurement process, gather, record, analyze measurement data, greatly reduce human intervention, mitigate the working strength of survey crew, improve the intelligence degree of device.
Description
Technical field
The utility model relates to multi-rotor aerocraft field of measuring technique, particularly relates to the survey of a kind of screw parameter of electric machine
Amount device.
Background technology
In recent years, many rotor unmanned aircrafts with its safety, volume is little, application is flexible, operating efficiency advantages of higher is by extensively
General being applied to military affairs, scientific research, the every field such as civilian, no matter unmanned vehicle suffers from extensively at civil area or military field
Wealthy market and application prospect, especially more show its using value in extremely dangerous, rugged environment.
The power resources of many rotor wing unmanned aerial vehicles be mainly screw motor driving under produce thrust, for many rotors without
Man-machine, owing to it is relatively lower speed, the impact of profile can be ignored, and the running parameter of screw and motor (includes screw
Thrust magnitude, electricity degree of tuning to open, electricity temperature regulating, motor supply voltage, motor supply current, motor speed, Motor torque, motor temperature
Deng) it is core design foundation and the properties of product basis for estimation of the type unmanned plane.
The integrity degree of screw and the parameter of electric machine and accuracy, will directly affect the screw of many rotor wing unmanned aerial vehicles and motor
Type selecting, and follow-up structure design.At present, the measurement of the screw parameter of electric machine, mainly to airscrew thrust and motor
The measurement of moment of torsion, its measurement apparatus mainly has airscrew thrust measurement apparatus and airscrew thrust torque-measuring apparatus.Wherein, spiral shell
Rotation oar thrust-measuring device, utilizes two equal and orthogonal transverse tube composition L-type components, and transverse tube intersection is L-type component
Pivot, screw motor, horizontal transverse-pipe end installation contact, contact bottom surface and electricity are installed in vertical transverse tube terminal horizontal direction
Son claims contact, relies on electronic scale reading to record airscrew thrust；Airscrew thrust torque-measuring apparatus, by motor helical oar
It is arranged horizontally on two parallel sliding tracks, utilize a horizontal pull pressure sensor measurement screw pulling force, vertically place for one group
Pull pressure sensor measurement in a closed series propeller torque, thus realize the measurement in a closed series of screw pulling force and moment of torsion.
But, by the way the screw parameter of electric machine is measured, owing to measurement parameter is more single, engineering is real
Trample and prove in many rotor wing unmanned aerial vehicles design process, in addition to airscrew thrust parameter, in addition it is also necessary to consider emphatically the power supply of motor
Voltage and supply current, the parameter such as temperature, prior art can only realize that the combination of thrust measurement or thrust and moment of torsion is surveyed
Amount, therefore can not provide multi-faceted reference for the flying quality improving many rotor wing unmanned aerial vehicles.
To sum up, the measurement apparatus of a kind of screw parameter of electric machine is needed at present badly, can be more intactly to screw motor
Parameter measures, and then the flying quality for improving many rotor wing unmanned aerial vehicles provides multi-faceted reference.
Utility model content
The utility model provides the measurement apparatus of a kind of screw parameter of electric machine, in order to realize more intactly to screw
The parameter of electric machine measures, and then the flying quality for improving many rotor wing unmanned aerial vehicles provides multi-faceted reference.
The measurement apparatus of a kind of screw parameter of electric machine that the utility model provides, described measurement apparatus includes: bracing frame,
Support baseboard, measuring mechanism and calculating processing center；
The upper surface of support frame as described above is connected with described support baseboard；Described measuring mechanism is arranged at described support baseboard
On；
Described measuring mechanism at least includes motor mechanism, horizontal pressure and torque measuring mechanism, drag compensation mechanism；Institute
Stating motor mechanism and including screw, motor, motor cabinet and torque sensor, described motor cabinet connects described motor and described moment of torsion
Sensor；Described horizontal pressure and torque measuring mechanism include force transmission element, pass for the pressure measuring airscrew thrust value
Sensor, for measure revolution speed of propeller speed probe and for measure electricity temperature regulating temperature sensor；Described resistance is mended
Repay mechanism for by apply constant power act on described force transmission element so that described pull pressure sensor is in stretching shape
State；
Described calculating processing center includes data acquisition unit and data analysis unit, and data acquisition unit will be for measuring
The metrical information collecting in mechanism is sent to data analysis unit；Described data analysis unit is for according to data acquisition unit
The metrical information obtaining enters row operation and storage, it is thus achieved that the measurement result of the screw parameter of electric machine.
It is preferred that support frame as described above is double facade hollow structures；Double facades of support frame as described above, upper surface and lower surface
It is respectively arranged with circular hole.
It is preferred that at least part of parts in described measuring mechanism are yi word pattern line style layout along axis；Described axis is
Described motor and the rotary shaft of described screw.
It is preferred that described motor mechanism also includes contact type temperature sensor；
Described contact type temperature sensor is installed in the mounting groove of described motor cabinet and described motor interface.
It is preferred that described horizontal pressure and torque measuring mechanism also include slide rail, slide block and a L joint；
Described slide rail and a described L joint are fixed on described support baseboard, and described slide block is arranged on described slide rail；
It is provided with roller between described slide block and described slide rail.
It is preferred that described horizontal pressure and torque measuring mechanism also include the 2nd L joint and the 3rd L joint；
Described force transmission element is fixed on described slide block, and one end of described force transmission element is connected with the 2nd L joint, the other end with
2nd L joint is connected；
Described torque sensor is installed on described 2nd L joint；Described speed probe is installed on described force transmission element
Surface.
It is preferred that described drag compensation mechanism includes radome fairing, guide bar, weight block, pulley, pulley base and pulling force rope；
Described pulley base is installed on described support baseboard, and described pulley is installed on described pulley base；Described weight block
Being installed in described radome fairing by described guide bar, described pulling force rope is connected in described weight block and passes through described radome fairing
Interstitial hole, be fixed on described force transmission element after described pulley.
It is preferred that described force transmission element is I shape force transmission element.
The measurement apparatus of the screw parameter of electric machine in the utility model include bracing frame, support baseboard, measuring mechanism with
And calculating processing center；The upper surface of bracing frame is connected with support baseboard；Measuring mechanism is arranged on support baseboard.Measuring mechanism
At least include motor mechanism, horizontal pressure and torque measuring mechanism, drag compensation mechanism.Wherein, motor mechanism includes spiral
Oar, motor, motor cabinet and torque sensor, motor cabinet connects motor and torque sensor；Horizontal pressure and torque-measuring machine
Structure includes force transmission element, for measuring the pull pressure sensor of airscrew thrust value, for measuring the revolution speed sensing of revolution speed of propeller
Device and for measure electricity temperature regulating temperature sensor；Drag compensation mechanism is for acting on force transmission element by applying constant power
On, so that pull pressure sensor is in extended state；Calculate processing center and include data acquisition unit and data analysis unit, number
According to collecting unit for the metrical information collecting in measuring mechanism is sent to data analysis unit；Data analysis unit is used for
Enter row operation and storage according to the metrical information that data acquisition unit obtains, it is thus achieved that the measurement result of the screw parameter of electric machine.
In the utility model, realize the measurement to moment of torsion by torque sensor, use four compared in prior art
The pull pressure sensor vertically placed, obtains measurement torque value through formula after calculating, structure is relatively simple, result more accurately and
Easily measurement；Measurement apparatus Integrated design in the utility model multiple sensors, is capable of than more comprehensive screw
The measurement of the parameter of electric machine (including airscrew thrust value, electricity temperature regulating, motor speed, Motor torque etc.), is many rotor wing unmanned aerial vehicles
There is provided than more comprehensive screw parameter of electric machine reference；The utility model relies on computer control in measurement process, gathers, remembers
Record, analysis measurement data, greatly reduce human intervention, mitigate the working strength of survey crew, improve the intelligence degree of device.
Brief description
For the technical scheme being illustrated more clearly that in the utility model, required use in embodiment being described below
Accompanying drawing briefly introduce, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present utility model, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Other accompanying drawing.
The structural representation of the measurement apparatus of a kind of screw parameter of electric machine that Fig. 1 provides for the utility model；
Fig. 2 is the structural representation of the bracing frame in the utility model；
Fig. 3 is the concrete structure schematic diagram of the measuring mechanism in the utility model；
Fig. 4 is the structural representation of the motor cabinet in the utility model；
Fig. 5 is the structural representation of the drag compensation mechanism in the utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this practicality
It novel is described in further detail, it is clear that described embodiment is only a part of embodiment of the utility model, rather than
Whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment of being obtained, broadly fall into the scope of the utility model protection.
The structural representation of the measurement apparatus of a kind of screw parameter of electric machine that Fig. 1 provides for the utility model, described survey
Amount device includes: bracing frame the 101st, support baseboard the 102nd, measuring mechanism 103 and calculating processing center 104；
The upper surface of support frame as described above 101 is connected with described support baseboard 102；Described measuring mechanism 103 is arranged at described
On support baseboard 102；
Described measuring mechanism 103 at least includes motor mechanism, horizontal pressure and torque measuring mechanism, drag compensation machine
Structure；Described motor mechanism includes screw, motor, motor cabinet and torque sensor, and described motor cabinet connects described motor and institute
State torque sensor；Described horizontal pressure and torque measuring mechanism include force transmission element, for measuring drawing of airscrew thrust value
Pressure sensor, for measure revolution speed of propeller speed probe and for measure electricity temperature regulating temperature sensor；Described
Drag compensation mechanism is for acting on described force transmission element by applying constant power, so that described pull pressure sensor is in and draws
Stretch state；
Described calculating processing center 104 includes data acquisition unit and data analysis unit, and data acquisition unit is used for will
The metrical information collecting in measuring mechanism is sent to data analysis unit；Described data analysis unit is for according to data acquisition
The metrical information that unit obtains enters row operation and storage, it is thus achieved that the measurement result of the screw parameter of electric machine.
In the utility model, realize the measurement to moment of torsion by torque sensor, use four compared in prior art
The pull pressure sensor vertically placed, obtains measurement torque value through formula after calculating, structure is relatively simple, result more accurately and
Easily measurement；Measurement apparatus Integrated design in the utility model multiple sensors, is capable of than more comprehensive screw
The measurement of the parameter of electric machine (including airscrew thrust value, electricity temperature regulating, motor speed, Motor torque etc.), is many rotor wing unmanned aerial vehicles
There is provided than more comprehensive screw parameter of electric machine reference；The utility model relies on computer control in measurement process, gathers, remembers
Record, analysis measurement data, greatly reduce human intervention, mitigate the working strength of survey crew, improve the intelligent journey of device
Degree.
Fig. 2 is the structural representation of the bracing frame in the utility model.As in figure 2 it is shown, bracing frame 101 is double facade mouth words
Type structure, thus both can guarantee that the rigidity of bracing frame 101, the circulation of beneficially prop-blast, improves airscrew thrust test again
Accuracy.Be respectively arranged with circular hole on double facades of bracing frame 101, for various kinds of sensors wire, power line fixing；?
The upper surface of support 101 is provided with circular hole, for being connected with support baseboard 102；The lower surface of bracing frame 101 is again provided with circle
Hole, fixing for bracing frame 101.In the utility model, the connection between bracing frame 101 and support baseboard 102 can be many
Kind of type of attachment, the type of attachment such as example threaded, riveting, welding.
In the utility model, the core texture of the measurement apparatus that measurement structure 103 is the screw parameter of electric machine.Fig. 3 example
Property shows the concrete schematic diagram of the measuring mechanism in the utility model.Below in conjunction with Fig. 3 to the measuring machine in the utility model
Structure describes in detail.
As it is shown on figure 3, measuring mechanism includes: screw the 201st, motor the 202nd, motor cabinet the 203rd, torque sensor the 204th, the 3rd
L joint the 205th, drag compensation mechanism the 206th, electricity adjusts the 207th, slide block the 208th, the 2nd L joint the 209th, pull pressure sensor the 210th, level to draw
Pressure and torque measuring mechanism the 211st, L joint the 212nd, slide rail the 213rd, I shape force transmission element the 214th, speed probe 215.
In the utility model, at least part of parts in measuring mechanism are yi word pattern line style layout along axis；Described axis
For the rotary shaft of described motor and described screw, specifically, motor can be included along the parts that axis is yi word pattern line style layout
Seat the 203rd, torque sensor the 204th, the 3rd L joint the 205th, speed probe the 215th, electricity tune the 207th, slide block the 208th, the 2nd L joint is the 209th,
Pull pressure sensor the 210th, L joint the 212nd, slide rail the 213rd, an I shape force transmission element 214.By by above-mentioned all parts along axis
In yi word pattern line style layout, can efficiently reduce because of the prop-blast circulation not freely impact on measurement result, improve measurement
The precision of airscrew thrust and the degree of accuracy.
Specifically, motor cabinet 203 connects motor 202 and torque sensor 204.Fig. 4 is the motor cabinet in the utility model
Structural representation.As shown in Figure 4, motor cabinet 203 is provided with screwed hole, for the connection with torque sensor 204.This reality
Circular hole can be pre-set in novel in the middle of motor cabinet 203, thus after avoiding motor 202 to install, rotor and motor cabinet
203 interfere；Further, for meeting, various sizes of motor is installed, motor cabinet 203 can pre-set sizes (for example
Two kinds) counter sunk mounting holes, and counter sunk mounting holes is set can be prevented effectively from the dry of the screw of fixing motor and torque sensor
Relate to；Meanwhile, the contact surface at motor cabinet 203 and motor 202 is provided with the mounting groove of temperature sensor, can be used for installing contact
Temperature sensor, it is achieved the measurement to motor operating temperature.
Specifically, horizontal pressure and torque measuring mechanism 211 are installed on support baseboard 102, including slide rail is the 213rd, sliding
Block the 208th, torque sensor the 204th, speed probe the 215th, pull pressure sensor the 210th, a L joint the 212nd, the 2nd L joint is the 209th,
3rd L joint 205 and I shape force transmission element 214.
All parts in horizontal pressure and torque measuring mechanism 211 is yi word pattern linear placement, utilizes slide block, slide rail
Single-degree-of-freedom sliding type realize the measurement to pressure and moment of torsion in the horizontal direction, and pass through rational deployment revolution speed sensing
Device realizes the measurement to revolution speed of propeller, can also arrange temperature sensor simultaneously, it is achieved the measurement to electricity temperature regulating.
In the utility model, slide rail 213 and a L joint 212 are fixed on support baseboard 102, and slide block 208 is arranged on cunning
On rail 213；It is provided with roller such that it is able to make slide rail bear bigger propeller torque between slide block 208 and slide rail 213, sliding
Resistance to sliding on slide rail for the block is less, and then makes airscrew thrust value that pull pressure sensor records by the shadow of resistance to sliding
Ring less.
I shape force transmission element 214 is fixed on slide block 208, one end of I shape force transmission element 214 and the 2nd L joint 209 phase
Connecting, the other end and the 3rd L joint 205 are connected, and ensure that the pulling force on the 2nd L joint 209 and a L joint 212 passes simultaneously
Sensor installing hole axis is on same level line, makes pull pressure sensor only be affected by direction of pull.Torque sensor 204
Being arranged on L joint, electricity tune is arranged on correspondence position after being arranged on I shape force transmission element by temperature sensor, it is simple to measurement electricity
Adjust operating temperature；Speed probe is arranged on the surface of I shape force transmission element 214, for measuring the rotating speed of screw.
Owing to the thrust of screw is applied in pull pressure sensor by the force transmission element on slide block, between slide block and slide rail
The stiction existing can affect the measurement result of pull pressure sensor, i.e. airscrew thrust value.For avoiding this problem, this reality
Being provided with drag compensation mechanism in novel, drag compensation mechanism is intended to apply an external force to force transmission element and (is more than slide block, slide rail
Between stiction, unnecessary external force gives dynamic compensation by software mode, the drop-down pressure sensor readings of original state
Zero) slide block, slide rail, is made to be in dynamic friction state, reducing the impact on pull pressure sensor measured value for the stiction, thus
Make the airscrew thrust value recording more accurate.
Fig. 5 is the structural representation of the drag compensation mechanism in the utility model.As it is shown in figure 5, in drag compensation mechanism
Including radome fairing the 401st, guide bar the 402nd, weight block the 403rd, pulley the 404th, pulley base 405 and pulling force rope 406.Wherein, described weight
Block 403 is the object with certain mass.
In the utility model, by utilizing the weight block power (weight block that pre-applied one is constant on I shape force transmission element
Gravity), the direction of this power is consistent with the thrust direction of screw so that pull pressure sensor is in extended state, with
Reduce the impact on airscrew thrust measured value for the frictional force between slide block and slide rail
Specifically, pulley base is installed on support baseboard, and pulley is installed on pulley base；Weight block is installed by guide bar
In described radome fairing, and weight block freely can slide up and down along guide bar, thus ensures weight block at prop-blast
Under the influence of do not swing, it is to avoid affect pull pressure sensor certainty of measurement；Pulling force rope is connected in weight block, and passes through radome fairing
Interstitial hole, is fixed on I shape force transmission element after described pulley.By arranging radome fairing, weight block can be prevented effectively from straight
The impact of receiving auger oar air-flow, and air-flow is shunted.
It can be seen from the above: the measurement apparatus of the screw parameter of electric machine in the utility model include bracing frame,
Support baseboard, measuring mechanism and calculating processing center；The upper surface of bracing frame is connected with support baseboard；Measuring mechanism is arranged at
On support baseboard.Measuring mechanism at least includes motor mechanism, horizontal pressure and torque measuring mechanism, drag compensation mechanism.Its
In, motor mechanism includes screw, motor, motor cabinet and torque sensor, and motor cabinet connects motor and torque sensor；Level
Pressure and torque measuring mechanism include force transmission element, for measuring the pull pressure sensor of airscrew thrust value, for measuring spiral shell
Revolve the speed probe of oar rotating speed and for measuring the temperature sensor of electricity temperature regulating；Drag compensation mechanism is for by applying perseverance
Fixed power acts on force transmission element, so that pull pressure sensor is in extended state；Calculate processing center and include data acquisition list
Unit and data analysis unit, data acquisition unit is for being sent to data analysis list by the metrical information collecting in measuring mechanism
Unit；Data analysis unit enters row operation and storage for the metrical information obtaining according to data acquisition unit, it is thus achieved that screw electricity
The measurement result of machine parameter.
In the utility model, realize the measurement to moment of torsion by torque sensor, use four compared in prior art
The pull pressure sensor vertically placed, obtains measurement torque value through formula after calculating, structure is relatively simple, result more accurately and
Easily measurement；Measurement apparatus Integrated design in the utility model multiple sensors, is capable of than more comprehensive screw
The measurement of the parameter of electric machine (including airscrew thrust value, electricity temperature regulating, motor speed, Motor torque etc.), is many rotor wing unmanned aerial vehicles
There is provided than more comprehensive screw parameter of electric machine reference；The utility model relies on computer control in measurement process, gathers, remembers
Record, analysis measurement data, greatly reduce human intervention, mitigate the working strength of survey crew, improve the intelligence degree of device.
Although having been described for preferred embodiment of the present utility model, but those skilled in the art once knowing substantially
Creative concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to bag
Include preferred embodiment and fall into all changes and the modification of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification without deviating from this practicality to the utility model
Novel spirit and scope.So, if of the present utility model these modification and modification belong to the utility model claim and
Within the scope of its equivalent technologies, then the utility model is also intended to comprise these changes and modification.
Claims (8)
1. the measurement apparatus of a screw parameter of electric machine, it is characterised in that described measurement apparatus includes: bracing frame, the support end
Plate, measuring mechanism and calculating processing center；
The upper surface of support frame as described above is connected with described support baseboard；Described measuring mechanism is arranged on described support baseboard；
Described measuring mechanism at least includes motor mechanism, horizontal pressure and torque measuring mechanism, drag compensation mechanism；Described electricity
Machine mechanism includes screw, motor, motor cabinet and torque sensor, and described motor cabinet connects described motor and described torque sensing
Device；Described horizontal pressure and torque measuring mechanism include force transmission element, for measure airscrew thrust value pull pressure sensor,
For measure revolution speed of propeller speed probe and for measure electricity temperature regulating temperature sensor；Described drag compensation mechanism
For acting on described force transmission element by applying constant power, so that described pull pressure sensor is in extended state；
Described calculating processing center includes data acquisition unit and data analysis unit, and data acquisition unit is for by measuring mechanism
In the metrical information that collects be sent to data analysis unit；Described data analysis unit is for obtaining according to data acquisition unit
Metrical information enter row operation and storage, it is thus achieved that the measurement result of the screw parameter of electric machine.
2. device as claimed in claim 1, it is characterised in that support frame as described above is double facade hollow structures；Support frame as described above
Double facades, upper surface and lower surface be respectively arranged with circular hole.
3. device as claimed in claim 1, it is characterised in that at least part of parts in described measuring mechanism are a word along axis
Molded line type layout；Described axis is described motor and the rotary shaft of described screw.
4. device as claimed in claim 1, it is characterised in that described motor mechanism also includes contact type temperature sensor；
Described contact type temperature sensor is installed in the mounting groove of described motor cabinet and described motor interface.
5. device as claimed in claim 1, it is characterised in that described horizontal pressure and torque measuring mechanism also include slide rail,
Slide block and a L joint；
Described slide rail and a described L joint are fixed on described support baseboard, and described slide block is arranged on described slide rail；Described
It is provided with roller between slide block and described slide rail.
6. device as claimed in claim 5, it is characterised in that described horizontal pressure and torque measuring mechanism also include the 2nd L
Joint and the 3rd L joint；
Described force transmission element is fixed on described slide block, and one end of described force transmission element is connected with the 2nd L joint, the other end and second
L joint is connected；
Described torque sensor is installed on described 2nd L joint；Described speed probe is installed on the surface of described force transmission element.
7. device as claimed in claim 1, it is characterised in that described drag compensation mechanism includes radome fairing, guide bar, weight
Block, pulley, pulley base and pulling force rope；
Described pulley base is installed on described support baseboard, and described pulley is installed on described pulley base；Described weight block is passed through
Described guide bar is installed in described radome fairing, and described pulling force rope is connected in described weight block and passes through in described radome fairing
Between hole, be fixed on described force transmission element after described pulley.
8. device as according to any one of claim 1-7, it is characterised in that described force transmission element is I shape force transmission element.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525699.8U CN205679744U (en) | 2016-06-02 | 2016-06-02 | A kind of measurement apparatus of the screw parameter of electric machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525699.8U CN205679744U (en) | 2016-06-02 | 2016-06-02 | A kind of measurement apparatus of the screw parameter of electric machine |
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| CN108845256A (en) * | 2018-06-20 | 2018-11-20 | 天津中德应用技术大学 | Unmanned plane dynamic test system |
| CN109142055A (en) * | 2018-09-03 | 2019-01-04 | 南京航空航天大学 | A kind of rotary wing performance multi-function test stand |
| CN109142055B (en) * | 2018-09-03 | 2020-06-09 | 南京航空航天大学 | Rotor performance comprehensive test platform |
| CN109998360A (en) * | 2019-04-11 | 2019-07-12 | 上海长膳智能科技有限公司 | A kind of method and apparatus for automatic cooking food |
| CN109998360B (en) * | 2019-04-11 | 2021-03-26 | 上海长膳智能科技有限公司 | Method and device for automatically cooking food |
| CN111999029B (en) * | 2020-10-26 | 2021-01-12 | 中国空气动力研究与发展中心低速空气动力研究所 | Supporting device for propeller test |
| CN111999029A (en) * | 2020-10-26 | 2020-11-27 | 中国空气动力研究与发展中心低速空气动力研究所 | Supporting device for propeller test |
| CN113418644A (en) * | 2021-07-01 | 2021-09-21 | 江苏大学 | Motor tension test platform with rotor and identification method |
| WO2024119569A1 (en) * | 2022-12-06 | 2024-06-13 | 中国航天空气动力技术研究院 | Motor tension-torque loading testing system and method for unmanned aerial vehicle |
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Effective date of registration: 20191202 Address after: Yunda economic and Technological Development Zone in Yunnan province Kunming city 650217 West Road No. 105 Patentee after: Electric Power Research Institute of Yunnan Power System Ltd Address before: 650000, Yunnan province Kunming Guandu Cloud Road No. 105 cloud technology park Co-patentee before: Tianjin space flight Zhong Wei data system Science and Technology Ltd. Patentee before: Electric Power Research Institute of Yunnan Power System Ltd |