CN207360598U - Motor angle testing agency and holder - Google Patents
Motor angle testing agency and holder Download PDFInfo
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- CN207360598U CN207360598U CN201721442698.8U CN201721442698U CN207360598U CN 207360598 U CN207360598 U CN 207360598U CN 201721442698 U CN201721442698 U CN 201721442698U CN 207360598 U CN207360598 U CN 207360598U
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- motor
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- testing agency
- screen shell
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Abstract
The utility model provides a kind of motor angle testing agency and holder, belongs to motor angle detection technique field, which includes motor, magnet and magnetic coder；Motor has a motor shaft and magnetic screen shell, and magnet is arranged on the magnetic screen shell, and magnet is located on same axis with motor shaft, and magnet, magnetic screen shell and motor shaft can rotate synchronously；Magnetic coder is right against magnet, for detecting changes of magnetic field amount when motor rotates and changes of magnetic field amount being converted to motor angle variable quantity；The motor angle testing agency has very strong antijamming capability, improves accuracy of detection, simple in structure, and efficiency of assembling is high, service life length.The holder includes the motor angle detection device.
Description
Technical field
It the utility model is related to motor angle detection technique field, and in particular to a kind of motor angle testing agency and cloud
Platform.
Background technology
With the development for unmanned air vehicle technique of taking photo by plane, the miscellaneous multijoint control system for being used to control camera is accordingly generated
System, we term it holder, its major function be exactly make camera not jitter and shaking ensure shooting picture stabilization；Implementation method
It is exactly the state that camera is detected by gyroscope, then master control system controls the motor of each axis to rotate so that camera is protected all the time
A state for keeping steady fixed.In the process, the detection of motor rotational angle it is most of at present be by the potentiometer of contact and
What Non-contact Magnetic coding plus magnet were realized.
Horizontal stage electric machine rotational angle mainly the potentiometer mode by contact and contactless magnetic coder are detected at present
Add the mode of magnet.
The potentiometer mode of contact：By the motor shaft 11 of motor 10 through potentiometer 12 and motor driving plate 13 (as schemed
3), motor shaft 11, which rotates, drives the scribing of potentiometer 12 to rotate, and the size of 10 rotational angle of motor corresponds to potentiometer 12 and exports electricity
Size is hindered, is mapped in voltage change, three is linear, so as to reflect motor rotational angle size.
Contactless magnetic coder adds magnet mode：Magnet 20 is sleeved on motor shaft 11 or is assembled in motor shaft 11
Head hub (such as Fig. 4), motor 10 rotate band moving magnet 20 and and then rotate synchronously, and the detection of 10 rotational angle of motor is 20 turns of magnet
After dynamic, by magnetic induction principle, rotational angle is converted to electric signal and by the number in motor driving plate 13 by magnetic coder 30
Word communication interface exports rotational angle.
Contact-cup anemometer mode presently, there are problems with：Accuracy of detection is low, and anti-interference is poor, and most important is exactly to fill
High with technological requirement, motor shaft and the assembling of potentiometer hole do not produce off normal coaxially and are easy to cause motor rotary resistance increase, influence
Holder works normally.
Contactless magnetic coder adds magnet assembly method to presently, there are problems with：Since magnet is to produce magnetic in itself
, interference, the particularly interference to aircraft compass can be produced to the sensor on aircraft, distance is nearer, and interference is bigger.
Utility model content
First purpose of the utility model is to provide a kind of motor angle testing agency have accuracy of detection high, resists dry
Immunity can be strong, and assembly technology requires the characteristics of low.
Second purpose of the utility model is to provide a kind of holder, which includes above-mentioned motor angle detection machine
Structure.
Based on above-mentioned first purpose, motor angle testing agency provided by the utility model, including motor, magnet and magnetic are compiled
Code device；The motor has a motor shaft and magnetic screen shell, and the magnet is arranged on the magnetic screen shell, and the magnetic
Iron is located on same axis with the motor shaft, and the magnet, the magnetic screen shell and the motor shaft can rotate synchronously；
The magnetic coder is right against the magnet, for detecting changes of magnetic field amount when motor rotates and becoming the magnetic field
Change amount is converted to motor angle variable quantity.
Further, the motor is DC brushless motor.
Further, the magnetic screen shell has the motor-shaft extending outlet being oppositely arranged and a blind end, the magnetic
Iron is installed on the blind end.
Further, the magnet is removably mounted on the magnetic screen shell.
Further, the magnet is fixedly mounted on the magnetic screen shell.
Further, the magnetic screen shell is magnetic conductive material, is preferably steel
Further, motor driving plate is further included, the motor driving plate is driving the motor to rotate.Motor drives
Plate may be mounted at optional position.
Further, the motor driving plate is connected with the magnetic coder by signal wire.
Further, the magnetic coder is integrated in the motor driving plate.
Based on above-mentioned second purpose, holder provided by the utility model, including above-mentioned motor angle testing agency.
The beneficial effect of motor angle testing agency provided by the utility model：
Motor angle testing agency provided by the utility model, including motor, magnet and magnetic coder；Motor has an electricity
Arbor and magnetic screen shell, magnet are arranged on the magnetic screen shell, and magnet is located on same axis with motor shaft, magnetic
Iron, magnetic screen shell and motor shaft can rotate synchronously；Magnetic coder is right against magnet, becomes for detecting magnetic field when motor rotates
Changes of magnetic field amount is simultaneously converted to motor angle variable quantity by change amount；
The motor angle testing agency uses the magnet assembly method of contactless angle detection, has very strong resist
Interference performance, improves accuracy of detection, simple in structure, and efficiency of assembling is high, service life length.Will not be as potentiometer in the prior art
Detection mode is higher to technological requirement like that, it is thus also avoided that traditional heads motor angle detection structure cross line easily winding twist into two parts and then
The problems such as causing electric motor short circuit, dropout.And the yields of this product can also greatly improve, magnet is assembled to outside magnetic screen
On shell, magnetic screen shell has the magnetic field of magnet better shield effectiveness.Therefore, magnetic can be detected in guarantee magnetic coder
While field signal, interference of the magnetic field to other extraneous devices has been masked, the particularly interference to compass on unmanned plane, from
And considerably reduce aircraft aircraft bombing equivalent risk.
Holder provided by the utility model, including above-mentioned motor angle testing agency, have motor angle testing agency
Above-mentioned advantage.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram for the motor angle testing agency that the utility model embodiment provides；
Fig. 2 is another structure diagram for the motor angle testing agency that the utility model embodiment provides；
Fig. 3 is the structure diagram of the motor angle testing agency of the potentiometer mode using contact in the prior art；
Fig. 4 is the motor angle testing agency for coordinating magnet mode using contactless magnetic coder in the prior art
Structure diagram.
Icon：10th, 100- motors；11st, 110- motor shafts；120- magnetic screen shells；
121- motor-shaft extending outlets；122- blind ends；20th, 200- magnet；
30th, 300- magnetic coders；400- connectors；13rd, 500- motors driving plate；
12- potentiometers.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, 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, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
A kind of motor angle testing agency is present embodiments provided, which can be used in unmanned plane cloud
Platform, handheld device or wearable device etc., which, which can realize, carries out motor angle detection work(in real time
Can, have the characteristics that stronger anti-interference, and accuracy of detection is high, efficiency of assembling height, easy to assemble and transport.
It refer to shown in Fig. 1；Motor angle testing agency provided by the utility model, including motor 100,200 and of magnet
Magnetic coder 300.
The motor 100 has a motor shaft 110 and magnetic screen shell 120, and magnet 200 is arranged on magnetic screen shell 120,
And the magnet 200 is located on same axis with motor shaft 110,110 energy of the magnet 200, magnetic screen shell 120 and motor shaft
It is enough to rotate synchronously；
The magnetic coder 300 is right against the magnet 200, for detect motor rotate when changes of magnetic field amount and will described in
Changes of magnetic field amount is converted to motor angle variable quantity, realizes the real-time detection function to motor rotational angle.
As a preferred embodiment of the utility model, the motor is using the common brush DC electricity of current holder
Machine.
The DC brushless motor include the component such as motor shaft 110, magnetic screen shell 120, rotor and stator (wherein, rotor,
The components such as stator do not illustrate in figure), it is set in outside stator elements between rotor, magnetic screen shell 120 is connected with rotor, motor
Axis 110 is connected with rotor, and magnetic screen shell 120 and shaft can synchronously be rotated with rotor, and those skilled in the art should
Understand, since the DC brushless motor self structure belongs to prior art category, its structure is only made simply retouching here
State.
The magnetic screen shell 120 has the motor-shaft extending outlet 121 being oppositely arranged and a blind end 122, motor shaft
External part 121 has through hole, the stretching for motor shaft 110；The magnet 200 is installed on blind end 122.
As a preferred embodiment of the utility model, the magnet 200 can be used with magnetic screen shell 120 and fixed
Connection mode, can also use detachable connection.
Such as：When the magnet 200 is fixedly mounted on the magnetic screen shell 120：
When it is implemented, glue can be coated on magnet 200 or magnetic screen shell 120, make magnet 200 and magnetic screen
Bond together on shell 120；Welding manner can also be used, makes to be fixedly mounted on magnet 200 and magnetic screen shell 120.Adopt
With the mode that is fixedly connected, magnet 200 and 120 stable connection of magnetic screen shell, in rotation process, outside magnet 200 and magnetic screen
It will not be loosened between shell 120 and cause 200 position offset of magnet or situation about coming off, ensured to the accurate of motor angle detection
Property.
When the magnet 200 is removably mounted on the magnetic screen shell 120：
When it is implemented, a few through hole, magnet 200 can be respectively provided on magnet 200 and magnetic screen shell 120
It is close to 120 surface of magnetic screen shell, bolt is then installed in through hole, makes to be fixed on magnet 200 and magnetic screen shell 120
Together.Using detachable connection, on the premise of magnet 200 is connected to guarantee stable connection with magnetic screen shell 120, more
It is convenient that installing and dismounting and replacement are carried out to magnet 200, it can significantly save installation time.
It refer to shown in Fig. 2, in addition, when it is implemented, can also be set between magnet 200 and magnetic screen shell 120
One connector 400, the connector 400 are coaxially set with motor shaft 110, also, the connector 400 and magnetic screen shell
120 fix or are detachably connected, and magnet 200 is directly assembled on connector 400 and connector 400 and magnetic screen shell
120 rotate synchronously.The magnet 200 same with the connection mode of connector 400 can be fixedly connected or be detachably connected, this
In no longer its connection mode is repeated.
In addition, when it is implemented, above-mentioned magnet 200 could be provided as the magnetic of the shapes such as solid magnetic iron or annular shape
Iron, the shape of magnet 200 are unrestricted.
As a preferred embodiment of the utility model, the magnetic screen shell 120 uses magnetic conductive material.Ensureing magnetic
While encoder 300 can detect magnetic field signal, since the magnetic conductivity of the magnetic screen shell 120 of magnetic conductive material is led than air
Magnetic rate is much bigger, thus most of magnetic field line out of magnetic screen shell 120 wall by reducing 200 magnetic field of magnet to thing around
The interference of thing, has achieveed the purpose that magnetic screen.
As a preferred embodiment of the utility model, the magnetic screen shell 120 is steel or high magnetic permeability iron
Nickel alloy.Using steel material, while ensureing magnetic screen, have the characteristics that lower-cost；Using permalloy,
The effect of magnetic screen is more excellent, and cost is higher relative to steel material.Using the shielding shell of above-mentioned material, can play good
Magnetic Shielding Effectiveness, can be selected according to actual conditions.
As a preferred embodiment of the utility model, above-mentioned motor angle testing agency further includes motor driving plate
500, the motor driving plate 500 is driving the motor to rotate.
When it is implemented, the motor driving plate 500 is electrically connected with the stator of motor, applied by inside motor driving plate 500
Add control signal so that the Exciting Windings for Transverse Differential Protection of stator produces armature field, the master of the permanent magnet pole generation of armature field and rotor
Magnetic field interaction, so as to drive rotor around stator rotation, and then rotates with moving magnet 200 and motor shaft 110.Need exist for
Bright, above-mentioned motor driving plate 500 may be mounted at optional position, and the purpose is to motor operating is controlled.
As a preferred embodiment of the utility model, motor driving plate 500 passes through signal wire phase with magnetic coder 300
The motor angle variable quantity detected can be delivered to motor driving plate into line number by connection, magnetic coder 300 by signal wire
According to processing, since motor driving plate 500 be connected with magnetic coder 300 using signal wire, motor driving plate 500 is specifically pacified
Holding position can't receive limitation.
As a preferred embodiment of the utility model, the magnetic coder 300 is integrated in the motor driving plate 500
On.
Magnetic coder 300 is by magnetic induction principle, the variable quantity in magnetic field when detection motor rotates, and by the changes of magnetic field amount
Motor angle variable quantity is converted to, motor angle variable quantity information is then fed back into interior motor driving plate 500, motor driving plate
500 according to the motor angle variable quantity information of feedback compared with predetermined target value, so as to fulfill the rotational angle to rotor
Adjustment.
Using angle detection mechanism provided by the utility model, compared with the prior art, has the following advantages：
Angle detection mechanism uses 200 assembly method of magnet of contactless horizontal stage electric machine angle detection, has very
Strong antijamming capability, improves accuracy of detection, simple in structure, and efficiency of assembling is high, service life length.Will not be as in the prior art
Potentiometer detection mode is higher to technological requirement like that, it is thus also avoided that traditional heads motor angle detection structure is crossed line easily winding and twisted
The problems such as breaking and then causing electric motor short circuit, dropout.And the yields of this product can also greatly improve, magnet 200 is assembled
Onto magnetic screen shell 120, magnetic screen shell 120 has the magnetic field of magnet 200 better shield effectiveness.Therefore, ensureing
While magnetic coder 300 can detect magnetic field signal, interference of the magnetic field to other extraneous devices is masked, particularly pair
The interference of compass on unmanned plane, so as to considerably reduce aircraft aircraft bombing equivalent risk.
In addition, the utility model also provides a kind of holder, which includes above-mentioned motor angle testing agency.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
1. a kind of motor angle testing agency, it is characterised in that including motor, magnet and magnetic coder；The motor has one
Motor shaft and magnetic screen shell, the magnet are arranged on the magnetic screen shell, and the magnet is located at the motor shaft
On same axis, the magnet, the magnetic screen shell and the motor shaft can rotate synchronously；
The magnetic coder is right against the magnet, for detecting when motor rotates changes of magnetic field amount and by the changes of magnetic field amount
Be converted to motor angle variable quantity.
2. motor angle testing agency according to claim 1, it is characterised in that the motor is DC brushless motor.
3. motor angle testing agency according to claim 1, it is characterised in that the magnetic screen shell has opposite set
The motor-shaft extending outlet put and a blind end, the magnet are installed on the blind end.
4. according to claim 1-3 any one of them motor angles testing agency, it is characterised in that the magnet is detachably pacified
On the magnetic screen shell.
5. according to claim 1-3 any one of them motor angles testing agency, it is characterised in that the magnet is fixedly mounted
On the magnetic screen shell.
6. motor angle testing agency according to claim 1, it is characterised in that the magnetic screen shell is magnetic conduction material
Matter.
7. according to claim 1-3 any one of them motor angles testing agency, it is characterised in that further include motor driving
Plate, the motor driving plate is driving the motor to rotate.
8. motor angle testing agency according to claim 7, it is characterised in that the motor driving plate is compiled with the magnetic
Code device is connected by signal wire.
9. motor angle testing agency according to claim 7, it is characterised in that the magnetic coder is integrated in the electricity
In machine driving plate.
10. a kind of holder, it is characterised in that including claim 1-9 any one of them motor angles testing agency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721442698.8U CN207360598U (en) | 2017-11-01 | 2017-11-01 | Motor angle testing agency and holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721442698.8U CN207360598U (en) | 2017-11-01 | 2017-11-01 | Motor angle testing agency and holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207360598U true CN207360598U (en) | 2018-05-15 |
Family
ID=62345124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721442698.8U Active CN207360598U (en) | 2017-11-01 | 2017-11-01 | Motor angle testing agency and holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207360598U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156893A (en) * | 2019-12-27 | 2020-05-15 | 深圳市越疆科技有限公司 | Motor operation angle measuring method and system and joint angle measuring system |
| CN111257750A (en) * | 2019-11-14 | 2020-06-09 | 杭州广安汽车电器有限公司 | Automatic testing device for controller and positioning method thereof |
| CN114838656A (en) * | 2022-05-16 | 2022-08-02 | 山东光明园迪儿童家具科技有限公司 | Magnetic field of electromagnetic angle display of table board and silk-screen printing preparation method thereof |
| CN116259212A (en) * | 2023-05-12 | 2023-06-13 | 合肥威艾尔智能技术有限公司 | Non-contact magnetic induction simulation console device and linear correction method |
-
2017
- 2017-11-01 CN CN201721442698.8U patent/CN207360598U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257750A (en) * | 2019-11-14 | 2020-06-09 | 杭州广安汽车电器有限公司 | Automatic testing device for controller and positioning method thereof |
| CN111156893A (en) * | 2019-12-27 | 2020-05-15 | 深圳市越疆科技有限公司 | Motor operation angle measuring method and system and joint angle measuring system |
| CN111156893B (en) * | 2019-12-27 | 2021-08-10 | 深圳市越疆科技有限公司 | Motor operation angle measuring method and system and joint angle measuring system |
| CN114838656A (en) * | 2022-05-16 | 2022-08-02 | 山东光明园迪儿童家具科技有限公司 | Magnetic field of electromagnetic angle display of table board and silk-screen printing preparation method thereof |
| CN116259212A (en) * | 2023-05-12 | 2023-06-13 | 合肥威艾尔智能技术有限公司 | Non-contact magnetic induction simulation console device and linear correction method |
| CN116259212B (en) * | 2023-05-12 | 2023-08-08 | 合肥威艾尔智能技术有限公司 | Non-contact magnetic induction simulation console device and linear correction method |
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