CN209488392U - A kind of motor with built-in speed device - Google Patents
A kind of motor with built-in speed device Download PDFInfo
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- CN209488392U CN209488392U CN201920494188.8U CN201920494188U CN209488392U CN 209488392 U CN209488392 U CN 209488392U CN 201920494188 U CN201920494188 U CN 201920494188U CN 209488392 U CN209488392 U CN 209488392U
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- speed
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Abstract
The utility model discloses a kind of motors with built-in speed device, including casing, the casing both ends are equipped with a drive shaft, rotor is installed in the drive shaft, the fan blade of the rotor front end is equipped with magnetite, the circumferential position that the fan blade is corresponded on the casing is electrically connected equipped with the electromagnetic sensor for incuding the magnetite magnetic field, the drive shaft and the electromagnetic sensor and a control device.The utility model is capable of the revolving speed of real-time inspection and control motor, grasps the working condition of motor, it is ensured that the using effect of motor.
Description
Technical field
The utility model relates to a kind of motors, more particularly to a kind of motor with built-in speed device.
Background technique
In motor use process, in order to improve electric machine speed regulation effect and precision, it usually needs test the speed in motor body installation
Device, the speed measuring device that major part motor generallys use at present is infrared tachymeter or dodges frequency tachymeter, if Fig. 1 is existing motor
Schematic diagram of internal structure comprising rotor 3 ', fan blade 4 ' and drive shaft 2 '.Due to cannot from outside after being assembled into complete machine
To corresponding part, it is just unable to measure motor speed with both test methods, so that state when work can not be understood, seriously
Influence the using effect of motor.It is really necessary to improve common motor speed measuring device, improves the monitoring to motor speed and control, really
Protect the rotary speed precision of motor.
Utility model content
The technical issues of the utility model solves is to provide a kind of motor with built-in speed device, being capable of real-time monitoring
The revolving speed for controlling motor, grasps the working condition of motor, it is ensured that the using effect of motor.
The technical solution of the utility model is:
A kind of motor with built-in speed device, wherein including casing, the casing both ends are equipped with a drive shaft,
Rotor is installed, the fan blade of the rotor front end is equipped with magnetite, corresponds to the fan blade on the casing in the drive shaft
Circumferential position is equipped with the electromagnetic sensor for incuding the magnetite magnetic field, the drive shaft and the electromagnetic sensor and a control
Device processed is electrically connected.
Motor as described above with built-in speed device, wherein the fan blade is equipped at least two with the wind
Leaf magnetite substantially symmetrical about its central axis.
Motor as described above with built-in speed device, wherein the magnetite is equipped with fixation hole, the magnetite warp
It is fixed on the fan blade by fixed column and the fixation hole.
The motor with built-in speed device as described above, wherein the junction of the magnetite and the fan blade via
Fixed glue is fixedly connected.
Motor as described above with built-in speed device, wherein the magnetite is permanent magnetism stone or electromagnet.
Motor as described above with built-in speed device, wherein the electromagnetic sensor is Hall sensor.
Motor as described above with built-in speed device, wherein the Hall sensor corresponds to the circle of the fan blade
All positions are set to the inner or outer side of the casing.
It is learnt by described above, compared with prior art, can reach following effect really:
The motor with built-in speed device of the utility model, by installing magnetic on the rotor fan blade and casing of motor
Stone and electromagnetic sensor make electromagnetic sensor in fan blade rotation, can be by motor speed caused by the magnetite sensed
Magnetic field signal passes to control device, issues order after receiving signal by control device, to realize the reality to motor speed
When monitoring control, structure is simple, easy for installation, solve original speed measuring device because motor it is self-contained after can not incude the member that accordingly tests the speed
Part influence test the speed effect the case where, it can be ensured that the rotary speed precision of motor, the moment grasp motor working condition, guarantee motor
Using effect, meanwhile, the advantage of lower cost of electromagnetic sensor can reduce producing cost, increase economic efficiency, more meet life
The needs of producing line.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of existing motor；
Fig. 2 is the main view partial cutaway of the motor of the preferred embodiment of the motor with built-in speed device of the utility model
Face structural schematic diagram；
Fig. 3 is the side view partial cutaway of the motor of the preferred embodiment of the motor with built-in speed device of the utility model
Face structural schematic diagram；
Fig. 4 is the structural representation of the rotor of the preferred embodiment of the motor with built-in speed device of the utility model
Figure；
Fig. 5 is the structural representation of the magnetite of the preferred embodiment of the motor with built-in speed device of the utility model
Figure.
Main element label declaration:
The utility model:
1: casing 2,2 ': drive shaft 3,3 ': rotor
4,4 ': fan blade 5: magnetite 6: electromagnetic sensor
7: fixation hole 8: fixed column
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.
A kind of motor with built-in speed device, in preferred embodiment, referring to figure 2. to shown in Fig. 5, being this reality
With a kind of structural schematic diagram of the preferred embodiment of novel motor with built-in speed device, including casing 1, the casing
1 both ends are equipped with a drive shaft 2, and rotor 3 is equipped in the drive shaft 2, and the fan blade 4 of 3 front end of rotor is equipped with magnetite
5, the circumferential position that the fan blade 4 is corresponded on the casing 1 is equipped with electromagnetic sensor 6 for incuding 5 magnetic field of magnetite, institute
It states drive shaft 2 and the electromagnetic sensor 6 and a control device is electrically connected.As shown in Figures 2 to 5, the tool of the utility model
There is the motor of built-in speed device by installing magnetite 5 and electromagnetic sensor 6 on the rotor fan blade 4 and casing 1 of motor, makes electricity
The magnetic field signal of motor speed caused by the magnetite 5 sensed can be passed to control when fan blade 4 rotates by Magnetic Sensor 6
Device processed issues order after receiving signal by control device, thus realize the real-time inspection and control to motor speed, structure letter
It is single, it is easy for installation, solve original speed measuring device because motor it is self-contained after can not incude corresponding detecting element influence and test the speed effect
Situation, it can be ensured that the rotary speed precision of motor, moment grasp the working condition of motor, guarantee the using effect of motor, meanwhile, electricity
The advantage of lower cost of Magnetic Sensor 6, can reduce producing cost, increase economic efficiency, and more meet the needs of production line.
The motor with built-in speed device of the utility model as described above, in preferred embodiment, the wind
Leaf 4 is equipped at least two magnetites 5 substantially symmetrical about its central axis with the fan blade 4.As shown in Figure 3 and Figure 4, two magnetites 5 can be protected
Hold the magnetic field balance of fan blade 4 when rotated, it is ensured that induction frequencies of the electromagnetic sensor 6 when fan blade 4 rotates a circle, to guarantee
The effect that tests the speed of device, the distance that can effectively prevent single magnetite 5 from rotating Shi Yinyu electromagnetic sensor 6 in fan blade 4 are different
The electromagnetic signal difference for causing electromagnetic sensor 6 to receive causes the situation of the inaccuracy that tests the speed of device to occur, it is of course also possible to
Three or four magnetites 5 are set on fan blade 4, make the better effect that tests the speed of device.
The motor with built-in speed device of the utility model as described above, in preferred embodiment, the magnetic
Stone 5 is equipped with fixation hole 7, and the magnetite 5 is fixed on the fan blade 4 via fixed column 8 and the fixation hole 7.Such as Fig. 3 to figure
Shown in 5, magnetite 5 is fixed on fan blade 4 by fixed column 8, device can be made more firm to the fixation of magnetite 5, improve magnetic
Stability of the stone 5 in 4 rotary work of fan blade eliminates it because the excessively high appearance displacement of 4 revolving speed of fan blade influences test the speed effect or disengaging
Fan blade, which is fallen into motor, leads to the hidden danger such as electrical fault damage.
The motor with built-in speed device of the utility model as described above, in preferred embodiment, the magnetic
Stone 5 is fixedly connected with the junction of the fan blade 4 via fixed glue.The fixed glue can further ensure that magnetite 5 and fan blade 4
Between fixed stability, simultaneously, additionally it is possible to play dust-proof heat-insulated effect, reduce fixed column 8 in 4 rotary course of fan blade
Deformation, to extend the service life of fixed column 8 and magnetite 5.
The motor with built-in speed device of the utility model as described above, in preferred embodiment, the magnetic
Stone 5 is permanent magnetism stone or electromagnet.The magnetite 5 can be permanent magnetism stone, for example, ndfeb magnet, samarium cobalt magnet, alnico magnet
Deng that is, without increasing other elements, that is, may make that magnetite 5 has magnetism, and structure is simple, be easily installed, but be not limited to
Permanent magnetism stone, or electromagnet, the presence or absence of electromagnet magnetism are controlled by switching electric current, in motor work, operation
Personnel can control the magnetism and magnetic pole of magnetite by changing the size and Orientation of electric current, make motor with more flexibility, more can
Enough improve the market competitiveness of motor.
The motor with built-in speed device of the utility model as described above, in preferred embodiment, the electricity
Magnetic Sensor 6 is Hall sensor.Hall sensor has the characteristics that high sensitivity, the linearity and stability is good and high temperature resistant,
It can effectively ensure that its induction precision to 5 magnetic field of magnetite, meanwhile, the module size of Hall sensor is small, and it is light-weight, it is more suitable
In applying on the motor of the utility model, and its lower cost, it can more meet the requirement of production line, improve economic effect
Benefit.
The motor with built-in speed device of the utility model as described above, in preferred embodiment, it is described suddenly
The circumferential position of the corresponding fan blade 4 of your sensor 6 is set to the inner or outer side of the casing 1.Due to Hall sensor height
Therefore the inner or outer side that Hall sensor is mounted on casing 1 can be guaranteed the effect that tests the speed of device by the characteristic of sensitivity
Fruit, and be mounted on the outside of casing 1, the operator when breaking down that can be more convenient for timely repair it or more
It changes, to improve maintenance efficiency, and further increases working efficiency.
A kind of motor with built-in speed device of the utility model as described above, with one preferred embodiment
For, then the utility model makes electromagnetism by installing magnetite 5 and electromagnetic sensor 6 on the rotor fan blade 4 and casing 1 of motor
The magnetic field signal of motor speed caused by the magnetite 5 sensed can be passed to control when fan blade 4 rotates by sensor 6
Device issues order after receiving signal by control device, thus realize the real-time inspection and control to motor speed, structure letter
It is single, it is easy for installation, solve original speed measuring device because motor it is self-contained after can not incude corresponding detecting element influence and test the speed effect
Situation, it can be ensured that the rotary speed precision of motor, moment grasp the working condition of motor, guarantee the using effect of motor, meanwhile, electricity
The advantage of lower cost of Magnetic Sensor 6, can reduce producing cost, increase economic efficiency, and more meet the needs of production line.Into one
Step, the fan blade 4 is equipped at least two magnetites 5 substantially symmetrical about its central axis with the fan blade 4.Two magnetites 5 are able to maintain wind
The magnetic field balance of leaf 4 when rotated, it is ensured that induction frequencies of the electromagnetic sensor 6 when fan blade 4 rotates a circle, to guarantee device
The effect that tests the speed, the distance that can effectively prevent single magnetite 5 from rotating Shi Yinyu electromagnetic sensor 6 in fan blade 4 different causes
The electromagnetic signal difference that electromagnetic sensor 6 receives causes the situation of the inaccuracy that tests the speed of device to occur, it is of course also possible in wind
Three or four magnetites 5 are set on leaf 4, make the better effect that tests the speed of device.Further, the magnetite 5 be permanent magnetism stone or
Electromagnet, the electromagnetic sensor 6 are Hall sensor, can more ensure the effect that tests the speed of device.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.
Claims (7)
1. a kind of motor with built-in speed device, which is characterized in that including casing, the casing both ends are equipped with a driving
Axis, rotor is equipped in the drive shaft, and the fan blade of the rotor front end is equipped with magnetite, corresponds to the fan blade on the casing
Circumferential position be equipped with electromagnetic sensor for incuding the magnetite magnetic field, the drive shaft and the electromagnetic sensor and one
Control device is electrically connected.
2. as described in claim 1 with the motor of built-in speed device, which is characterized in that the fan blade is equipped at least two
A magnetite substantially symmetrical about its central axis with the fan blade.
3. as claimed in claim 2 with the motor of built-in speed device, which is characterized in that the magnetite, which is equipped with, to be fixed
Hole, the magnetite are fixed on the fan blade via fixed column and the fixation hole.
4. as claimed in claim 3 with the motor of built-in speed device, which is characterized in that the magnetite and the fan blade
Junction is fixedly connected via fixed glue.
5. as claimed in claim 4 with the motor of built-in speed device, which is characterized in that the magnetite is permanent magnetism stone or electricity
Magnetite.
6. as claimed in claim 5 with the motor of built-in speed device, which is characterized in that the electromagnetic sensor is Hall
Sensor.
7. as claimed in claim 6 with the motor of built-in speed device, which is characterized in that the Hall sensor corresponds to institute
The circumferential position for stating fan blade is set to the inner or outer side of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494188.8U CN209488392U (en) | 2019-04-12 | 2019-04-12 | A kind of motor with built-in speed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494188.8U CN209488392U (en) | 2019-04-12 | 2019-04-12 | A kind of motor with built-in speed device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209488392U true CN209488392U (en) | 2019-10-11 |
Family
ID=68135100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920494188.8U Active CN209488392U (en) | 2019-04-12 | 2019-04-12 | A kind of motor with built-in speed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209488392U (en) |
-
2019
- 2019-04-12 CN CN201920494188.8U patent/CN209488392U/en active Active
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